Commit 39ee3bc0ecdfde43e6fa98ee454a0115b3cb7390 | zig

author	Andrew Kelley <andrew@ziglang.org> 2019-12-31 16:55:41-05:00
committer	Andrew Kelley <andrew@ziglang.org> 2019-12-31 16:55:41-05:00
log	39ee3bc0ecdfde43e6fa98ee454a0115b3cb7390
tree	fbf0005f5e8840006d6ce7c6bde29cd050dd42fe
parent	c8c65b0168ae18f8bd8bf8f38590109a30df73a8
parent	950eb81304dedc01ef1500dd2da1458694306b00
signature	Commit is signed but in an unrecognized format.

Merge branch 'stage-2-cimport' of https://github.com/Vexu/zig into Vexu-stage-2-cimport

19 files changed, 841 insertions(+), 7708 deletions(-)

CMakeLists.txt
lib
- std
  - zig
    ast.zig
    render.zig
src-self-hosted
src
test
- tests.zig
- translate_c.zig

CMakeLists.txt-2

lib/std/zig/ast.zig+49-46

...	@@ -13,6 +13,7 @@ pub const Tree = struct {	...	@@ -13,6 +13,7 @@ pub const Tree = struct {
13	root_node: *Node.Root,	13	root_node: *Node.Root,
14	arena_allocator: std.heap.ArenaAllocator,	14	arena_allocator: std.heap.ArenaAllocator,
15	errors: ErrorList,	15	errors: ErrorList,
		16	generated: bool = false,
16		17
17	pub const TokenList = SegmentedList(Token, 64);	18	pub const TokenList = SegmentedList(Token, 64);
18	pub const ErrorList = SegmentedList(Error, 0);	19	pub const ErrorList = SegmentedList(Error, 0);
...	@@ -58,6 +59,8 @@ pub const Tree = struct {	...	@@ -58,6 +59,8 @@ pub const Tree = struct {
58	.line_start = start_index,	59	.line_start = start_index,
59	.line_end = self.source.len,	60	.line_end = self.source.len,
60	};	61	};
		62	if (self.generated)
		63	return loc;
61	const token_start = token.start;	64	const token_start = token.start;
62	for (self.source[start_index..]) \|c, i\| {	65	for (self.source[start_index..]) \|c, i\| {
63	if (i + start_index == token_start) {	66	if (i + start_index == token_start) {
...	@@ -581,7 +584,7 @@ pub const Node = struct {	...	@@ -581,7 +584,7 @@ pub const Node = struct {
581	}	584	}
582		585
583	pub const Root = struct {	586	pub const Root = struct {
584	base: Node = Node {.id = .Root},	587	base: Node = Node{ .id = .Root },
585	decls: DeclList,	588	decls: DeclList,
586	eof_token: TokenIndex,	589	eof_token: TokenIndex,
587		590
...	@@ -604,7 +607,7 @@ pub const Node = struct {	...	@@ -604,7 +607,7 @@ pub const Node = struct {
604	};	607	};
605		608
606	pub const VarDecl = struct {	609	pub const VarDecl = struct {
607	base: Node = Node {.id = .VarDecl},	610	base: Node = Node{ .id = .VarDecl },
608	doc_comments: ?*DocComment,	611	doc_comments: ?*DocComment,
609	visib_token: ?TokenIndex,	612	visib_token: ?TokenIndex,
610	thread_local_token: ?TokenIndex,	613	thread_local_token: ?TokenIndex,
...	@@ -661,7 +664,7 @@ pub const Node = struct {	...	@@ -661,7 +664,7 @@ pub const Node = struct {
661	};	664	};
662		665
663	pub const Use = struct {	666	pub const Use = struct {
664	base: Node = Node {.id = .Use},	667	base: Node = Node{ .id = .Use },
665	doc_comments: ?*DocComment,	668	doc_comments: ?*DocComment,
666	visib_token: ?TokenIndex,	669	visib_token: ?TokenIndex,
667	use_token: TokenIndex,	670	use_token: TokenIndex,
...	@@ -688,7 +691,7 @@ pub const Node = struct {	...	@@ -688,7 +691,7 @@ pub const Node = struct {
688	};	691	};
689		692
690	pub const ErrorSetDecl = struct {	693	pub const ErrorSetDecl = struct {
691	base: Node = Node {.id = .ErrorSetDecl},	694	base: Node = Node{ .id = .ErrorSetDecl },
692	error_token: TokenIndex,	695	error_token: TokenIndex,
693	decls: DeclList,	696	decls: DeclList,
694	rbrace_token: TokenIndex,	697	rbrace_token: TokenIndex,
...	@@ -714,7 +717,7 @@ pub const Node = struct {	...	@@ -714,7 +717,7 @@ pub const Node = struct {
714	};	717	};
715		718
716	pub const ContainerDecl = struct {	719	pub const ContainerDecl = struct {
717	base: Node = Node {.id = .ContainerDecl},	720	base: Node = Node{ .id = .ContainerDecl },
718	layout_token: ?TokenIndex,	721	layout_token: ?TokenIndex,
719	kind_token: TokenIndex,	722	kind_token: TokenIndex,
720	init_arg_expr: InitArg,	723	init_arg_expr: InitArg,
...	@@ -801,7 +804,7 @@ pub const Node = struct {	...	@@ -801,7 +804,7 @@ pub const Node = struct {
801	};	804	};
802		805
803	pub const ErrorTag = struct {	806	pub const ErrorTag = struct {
804	base: Node = Node {.id = .ErrorTag},	807	base: Node = Node{ .id = .ErrorTag },
805	doc_comments: ?*DocComment,	808	doc_comments: ?*DocComment,
806	name_token: TokenIndex,	809	name_token: TokenIndex,
807		810
...	@@ -826,7 +829,7 @@ pub const Node = struct {	...	@@ -826,7 +829,7 @@ pub const Node = struct {
826	};	829	};
827		830
828	pub const Identifier = struct {	831	pub const Identifier = struct {
829	base: Node = Node {.id = .Identifier},	832	base: Node = Node{ .id = .Identifier },
830	token: TokenIndex,	833	token: TokenIndex,
831		834
832	pub fn iterate(self: Identifier, index: usize) ?Node {	835	pub fn iterate(self: Identifier, index: usize) ?Node {
...	@@ -843,7 +846,7 @@ pub const Node = struct {	...	@@ -843,7 +846,7 @@ pub const Node = struct {
843	};	846	};
844		847
845	pub const FnProto = struct {	848	pub const FnProto = struct {
846	base: Node = Node {.id = .FnProto},	849	base: Node = Node{ .id = .FnProto },
847	doc_comments: ?*DocComment,	850	doc_comments: ?*DocComment,
848	visib_token: ?TokenIndex,	851	visib_token: ?TokenIndex,
849	fn_token: TokenIndex,	852	fn_token: TokenIndex,
...	@@ -925,7 +928,7 @@ pub const Node = struct {	...	@@ -925,7 +928,7 @@ pub const Node = struct {
925	};	928	};
926		929
927	pub const AnyFrameType = struct {	930	pub const AnyFrameType = struct {
928	base: Node = Node {.id = .AnyFrameType},	931	base: Node = Node{ .id = .AnyFrameType },
929	anyframe_token: TokenIndex,	932	anyframe_token: TokenIndex,
930	result: ?Result,	933	result: ?Result,
931		934
...	@@ -956,7 +959,7 @@ pub const Node = struct {	...	@@ -956,7 +959,7 @@ pub const Node = struct {
956	};	959	};
957		960
958	pub const ParamDecl = struct {	961	pub const ParamDecl = struct {
959	base: Node = Node {.id = .ParamDecl},	962	base: Node = Node{ .id = .ParamDecl },
960	doc_comments: ?*DocComment,	963	doc_comments: ?*DocComment,
961	comptime_token: ?TokenIndex,	964	comptime_token: ?TokenIndex,
962	noalias_token: ?TokenIndex,	965	noalias_token: ?TokenIndex,
...	@@ -989,7 +992,7 @@ pub const Node = struct {	...	@@ -989,7 +992,7 @@ pub const Node = struct {
989	};	992	};
990		993
991	pub const Block = struct {	994	pub const Block = struct {
992	base: Node = Node {.id = .Block},	995	base: Node = Node{ .id = .Block },
993	label: ?TokenIndex,	996	label: ?TokenIndex,
994	lbrace: TokenIndex,	997	lbrace: TokenIndex,
995	statements: StatementList,	998	statements: StatementList,
...	@@ -1020,7 +1023,7 @@ pub const Node = struct {	...	@@ -1020,7 +1023,7 @@ pub const Node = struct {
1020	};	1023	};
1021		1024
1022	pub const Defer = struct {	1025	pub const Defer = struct {
1023	base: Node = Node {.id = .Defer},	1026	base: Node = Node{ .id = .Defer },
1024	defer_token: TokenIndex,	1027	defer_token: TokenIndex,
1025	expr: *Node,	1028	expr: *Node,
1026		1029
...	@@ -1043,7 +1046,7 @@ pub const Node = struct {	...	@@ -1043,7 +1046,7 @@ pub const Node = struct {
1043	};	1046	};
1044		1047
1045	pub const Comptime = struct {	1048	pub const Comptime = struct {
1046	base: Node = Node {.id = .Comptime},	1049	base: Node = Node{ .id = .Comptime },
1047	doc_comments: ?*DocComment,	1050	doc_comments: ?*DocComment,
1048	comptime_token: TokenIndex,	1051	comptime_token: TokenIndex,
1049	expr: *Node,	1052	expr: *Node,
...	@@ -1067,7 +1070,7 @@ pub const Node = struct {	...	@@ -1067,7 +1070,7 @@ pub const Node = struct {
1067	};	1070	};
1068		1071
1069	pub const Payload = struct {	1072	pub const Payload = struct {
1070	base: Node = Node {.id = .Payload},	1073	base: Node = Node{ .id = .Payload },
1071	lpipe: TokenIndex,	1074	lpipe: TokenIndex,
1072	error_symbol: *Node,	1075	error_symbol: *Node,
1073	rpipe: TokenIndex,	1076	rpipe: TokenIndex,
...	@@ -1091,7 +1094,7 @@ pub const Node = struct {	...	@@ -1091,7 +1094,7 @@ pub const Node = struct {
1091	};	1094	};
1092		1095
1093	pub const PointerPayload = struct {	1096	pub const PointerPayload = struct {
1094	base: Node = Node {.id = .PointerPayload},	1097	base: Node = Node{ .id = .PointerPayload },
1095	lpipe: TokenIndex,	1098	lpipe: TokenIndex,
1096	ptr_token: ?TokenIndex,	1099	ptr_token: ?TokenIndex,
1097	value_symbol: *Node,	1100	value_symbol: *Node,
...	@@ -1116,7 +1119,7 @@ pub const Node = struct {	...	@@ -1116,7 +1119,7 @@ pub const Node = struct {
1116	};	1119	};
1117		1120
1118	pub const PointerIndexPayload = struct {	1121	pub const PointerIndexPayload = struct {
1119	base: Node = Node {.id = .PointerIndexPayload},	1122	base: Node = Node{ .id = .PointerIndexPayload },
1120	lpipe: TokenIndex,	1123	lpipe: TokenIndex,
1121	ptr_token: ?TokenIndex,	1124	ptr_token: ?TokenIndex,
1122	value_symbol: *Node,	1125	value_symbol: *Node,
...	@@ -1147,7 +1150,7 @@ pub const Node = struct {	...	@@ -1147,7 +1150,7 @@ pub const Node = struct {
1147	};	1150	};
1148		1151
1149	pub const Else = struct {	1152	pub const Else = struct {
1150	base: Node = Node {.id = .Else},	1153	base: Node = Node{ .id = .Else },
1151	else_token: TokenIndex,	1154	else_token: TokenIndex,
1152	payload: ?*Node,	1155	payload: ?*Node,
1153	body: *Node,	1156	body: *Node,
...	@@ -1176,7 +1179,7 @@ pub const Node = struct {	...	@@ -1176,7 +1179,7 @@ pub const Node = struct {
1176	};	1179	};
1177		1180
1178	pub const Switch = struct {	1181	pub const Switch = struct {
1179	base: Node = Node {.id = .Switch},	1182	base: Node = Node{ .id = .Switch },
1180	switch_token: TokenIndex,	1183	switch_token: TokenIndex,
1181	expr: *Node,	1184	expr: *Node,
1182		1185
...	@@ -1208,7 +1211,7 @@ pub const Node = struct {	...	@@ -1208,7 +1211,7 @@ pub const Node = struct {
1208	};	1211	};
1209		1212
1210	pub const SwitchCase = struct {	1213	pub const SwitchCase = struct {
1211	base: Node = Node {.id = .SwitchCase},	1214	base: Node = Node{ .id = .SwitchCase },
1212	items: ItemList,	1215	items: ItemList,
1213	arrow_token: TokenIndex,	1216	arrow_token: TokenIndex,
1214	payload: ?*Node,	1217	payload: ?*Node,
...	@@ -1243,7 +1246,7 @@ pub const Node = struct {	...	@@ -1243,7 +1246,7 @@ pub const Node = struct {
1243	};	1246	};
1244		1247
1245	pub const SwitchElse = struct {	1248	pub const SwitchElse = struct {
1246	base: Node = Node {.id = .SwitchElse},	1249	base: Node = Node{ .id = .SwitchElse },
1247	token: TokenIndex,	1250	token: TokenIndex,
1248		1251
1249	pub fn iterate(self: SwitchElse, index: usize) ?Node {	1252	pub fn iterate(self: SwitchElse, index: usize) ?Node {
...	@@ -1260,7 +1263,7 @@ pub const Node = struct {	...	@@ -1260,7 +1263,7 @@ pub const Node = struct {
1260	};	1263	};
1261		1264
1262	pub const While = struct {	1265	pub const While = struct {
1263	base: Node = Node {.id = .While},	1266	base: Node = Node{ .id = .While },
1264	label: ?TokenIndex,	1267	label: ?TokenIndex,
1265	inline_token: ?TokenIndex,	1268	inline_token: ?TokenIndex,
1266	while_token: TokenIndex,	1269	while_token: TokenIndex,
...	@@ -1319,7 +1322,7 @@ pub const Node = struct {	...	@@ -1319,7 +1322,7 @@ pub const Node = struct {
1319	};	1322	};
1320		1323
1321	pub const For = struct {	1324	pub const For = struct {
1322	base: Node = Node {.id = .For},	1325	base: Node = Node{ .id = .For },
1323	label: ?TokenIndex,	1326	label: ?TokenIndex,
1324	inline_token: ?TokenIndex,	1327	inline_token: ?TokenIndex,
1325	for_token: TokenIndex,	1328	for_token: TokenIndex,
...	@@ -1370,7 +1373,7 @@ pub const Node = struct {	...	@@ -1370,7 +1373,7 @@ pub const Node = struct {
1370	};	1373	};
1371		1374
1372	pub const If = struct {	1375	pub const If = struct {
1373	base: Node = Node {.id = .If},	1376	base: Node = Node{ .id = .If },
1374	if_token: TokenIndex,	1377	if_token: TokenIndex,
1375	condition: *Node,	1378	condition: *Node,
1376	payload: ?*Node,	1379	payload: ?*Node,
...	@@ -1413,7 +1416,7 @@ pub const Node = struct {	...	@@ -1413,7 +1416,7 @@ pub const Node = struct {
1413	};	1416	};
1414		1417
1415	pub const InfixOp = struct {	1418	pub const InfixOp = struct {
1416	base: Node = Node {.id = .InfixOp},	1419	base: Node = Node{ .id = .InfixOp },
1417	op_token: TokenIndex,	1420	op_token: TokenIndex,
1418	lhs: *Node,	1421	lhs: *Node,
1419	op: Op,	1422	op: Op,
...	@@ -1646,7 +1649,7 @@ pub const Node = struct {	...	@@ -1646,7 +1649,7 @@ pub const Node = struct {
1646	};	1649	};
1647		1650
1648	pub const FieldInitializer = struct {	1651	pub const FieldInitializer = struct {
1649	base: Node = Node {.id = .FieldInitializer},	1652	base: Node = Node{ .id = .FieldInitializer },
1650	period_token: TokenIndex,	1653	period_token: TokenIndex,
1651	name_token: TokenIndex,	1654	name_token: TokenIndex,
1652	expr: *Node,	1655	expr: *Node,
...	@@ -1670,7 +1673,7 @@ pub const Node = struct {	...	@@ -1670,7 +1673,7 @@ pub const Node = struct {
1670	};	1673	};
1671		1674
1672	pub const SuffixOp = struct {	1675	pub const SuffixOp = struct {
1673	base: Node = Node {.id = .SuffixOp},	1676	base: Node = Node{ .id = .SuffixOp },
1674	lhs: Lhs,	1677	lhs: Lhs,
1675	op: Op,	1678	op: Op,
1676	rtoken: TokenIndex,	1679	rtoken: TokenIndex,
...	@@ -1771,7 +1774,7 @@ pub const Node = struct {	...	@@ -1771,7 +1774,7 @@ pub const Node = struct {
1771	};	1774	};
1772		1775
1773	pub const GroupedExpression = struct {	1776	pub const GroupedExpression = struct {
1774	base: Node = Node {.id = .GroupedExpression},	1777	base: Node = Node{ .id = .GroupedExpression },
1775	lparen: TokenIndex,	1778	lparen: TokenIndex,
1776	expr: *Node,	1779	expr: *Node,
1777	rparen: TokenIndex,	1780	rparen: TokenIndex,
...	@@ -1795,7 +1798,7 @@ pub const Node = struct {	...	@@ -1795,7 +1798,7 @@ pub const Node = struct {
1795	};	1798	};
1796		1799
1797	pub const ControlFlowExpression = struct {	1800	pub const ControlFlowExpression = struct {
1798	base: Node = Node {.id = .ControlFlowExpression},	1801	base: Node = Node{ .id = .ControlFlowExpression },
1799	ltoken: TokenIndex,	1802	ltoken: TokenIndex,
1800	kind: Kind,	1803	kind: Kind,
1801	rhs: ?*Node,	1804	rhs: ?*Node,
...	@@ -1861,7 +1864,7 @@ pub const Node = struct {	...	@@ -1861,7 +1864,7 @@ pub const Node = struct {
1861	};	1864	};
1862		1865
1863	pub const Suspend = struct {	1866	pub const Suspend = struct {
1864	base: Node = Node {.id = .Suspend},	1867	base: Node = Node{ .id = .Suspend },
1865	suspend_token: TokenIndex,	1868	suspend_token: TokenIndex,
1866	body: ?*Node,	1869	body: ?*Node,
1867		1870
...	@@ -1890,7 +1893,7 @@ pub const Node = struct {	...	@@ -1890,7 +1893,7 @@ pub const Node = struct {
1890	};	1893	};
1891		1894
1892	pub const IntegerLiteral = struct {	1895	pub const IntegerLiteral = struct {
1893	base: Node = Node {.id = .IntegerLiteral},	1896	base: Node = Node{ .id = .IntegerLiteral },
1894	token: TokenIndex,	1897	token: TokenIndex,
1895		1898
1896	pub fn iterate(self: IntegerLiteral, index: usize) ?Node {	1899	pub fn iterate(self: IntegerLiteral, index: usize) ?Node {
...	@@ -1907,7 +1910,7 @@ pub const Node = struct {	...	@@ -1907,7 +1910,7 @@ pub const Node = struct {
1907	};	1910	};
1908		1911
1909	pub const EnumLiteral = struct {	1912	pub const EnumLiteral = struct {
1910	base: Node = Node {.id = .EnumLiteral},	1913	base: Node = Node{ .id = .EnumLiteral },
1911	dot: TokenIndex,	1914	dot: TokenIndex,
1912	name: TokenIndex,	1915	name: TokenIndex,
1913		1916
...	@@ -1925,7 +1928,7 @@ pub const Node = struct {	...	@@ -1925,7 +1928,7 @@ pub const Node = struct {
1925	};	1928	};
1926		1929
1927	pub const FloatLiteral = struct {	1930	pub const FloatLiteral = struct {
1928	base: Node = Node {.id = .FloatLiteral},	1931	base: Node = Node{ .id = .FloatLiteral },
1929	token: TokenIndex,	1932	token: TokenIndex,
1930		1933
1931	pub fn iterate(self: FloatLiteral, index: usize) ?Node {	1934	pub fn iterate(self: FloatLiteral, index: usize) ?Node {
...	@@ -1942,7 +1945,7 @@ pub const Node = struct {	...	@@ -1942,7 +1945,7 @@ pub const Node = struct {
1942	};	1945	};
1943		1946
1944	pub const BuiltinCall = struct {	1947	pub const BuiltinCall = struct {
1945	base: Node = Node {.id = .BuiltinCall},	1948	base: Node = Node{ .id = .BuiltinCall },
1946	builtin_token: TokenIndex,	1949	builtin_token: TokenIndex,
1947	params: ParamList,	1950	params: ParamList,
1948	rparen_token: TokenIndex,	1951	rparen_token: TokenIndex,
...	@@ -1968,7 +1971,7 @@ pub const Node = struct {	...	@@ -1968,7 +1971,7 @@ pub const Node = struct {
1968	};	1971	};
1969		1972
1970	pub const StringLiteral = struct {	1973	pub const StringLiteral = struct {
1971	base: Node = Node {.id = .StringLiteral},	1974	base: Node = Node{ .id = .StringLiteral },
1972	token: TokenIndex,	1975	token: TokenIndex,
1973		1976
1974	pub fn iterate(self: StringLiteral, index: usize) ?Node {	1977	pub fn iterate(self: StringLiteral, index: usize) ?Node {
...	@@ -1985,7 +1988,7 @@ pub const Node = struct {	...	@@ -1985,7 +1988,7 @@ pub const Node = struct {
1985	};	1988	};
1986		1989
1987	pub const MultilineStringLiteral = struct {	1990	pub const MultilineStringLiteral = struct {
1988	base: Node = Node {.id = .MultilineStringLiteral},	1991	base: Node = Node{ .id = .MultilineStringLiteral },
1989	lines: LineList,	1992	lines: LineList,
1990		1993
1991	pub const LineList = SegmentedList(TokenIndex, 4);	1994	pub const LineList = SegmentedList(TokenIndex, 4);
...	@@ -2004,7 +2007,7 @@ pub const Node = struct {	...	@@ -2004,7 +2007,7 @@ pub const Node = struct {
2004	};	2007	};
2005		2008
2006	pub const CharLiteral = struct {	2009	pub const CharLiteral = struct {
2007	base: Node = Node {.id = .CharLiteral},	2010	base: Node = Node{ .id = .CharLiteral },
2008	token: TokenIndex,	2011	token: TokenIndex,
2009		2012
2010	pub fn iterate(self: CharLiteral, index: usize) ?Node {	2013	pub fn iterate(self: CharLiteral, index: usize) ?Node {
...	@@ -2021,7 +2024,7 @@ pub const Node = struct {	...	@@ -2021,7 +2024,7 @@ pub const Node = struct {
2021	};	2024	};
2022		2025
2023	pub const BoolLiteral = struct {	2026	pub const BoolLiteral = struct {
2024	base: Node = Node {.id = .BoolLiteral},	2027	base: Node = Node{ .id = .BoolLiteral },
2025	token: TokenIndex,	2028	token: TokenIndex,
2026		2029
2027	pub fn iterate(self: BoolLiteral, index: usize) ?Node {	2030	pub fn iterate(self: BoolLiteral, index: usize) ?Node {
...	@@ -2038,7 +2041,7 @@ pub const Node = struct {	...	@@ -2038,7 +2041,7 @@ pub const Node = struct {
2038	};	2041	};
2039		2042
2040	pub const NullLiteral = struct {	2043	pub const NullLiteral = struct {
2041	base: Node = Node {.id = .NullLiteral},	2044	base: Node = Node{ .id = .NullLiteral },
2042	token: TokenIndex,	2045	token: TokenIndex,
2043		2046
2044	pub fn iterate(self: NullLiteral, index: usize) ?Node {	2047	pub fn iterate(self: NullLiteral, index: usize) ?Node {
...	@@ -2055,7 +2058,7 @@ pub const Node = struct {	...	@@ -2055,7 +2058,7 @@ pub const Node = struct {
2055	};	2058	};
2056		2059
2057	pub const UndefinedLiteral = struct {	2060	pub const UndefinedLiteral = struct {
2058	base: Node = Node {.id = .UndefinedLiteral},	2061	base: Node = Node{ .id = .UndefinedLiteral },
2059	token: TokenIndex,	2062	token: TokenIndex,
2060		2063
2061	pub fn iterate(self: UndefinedLiteral, index: usize) ?Node {	2064	pub fn iterate(self: UndefinedLiteral, index: usize) ?Node {
...	@@ -2072,7 +2075,7 @@ pub const Node = struct {	...	@@ -2072,7 +2075,7 @@ pub const Node = struct {
2072	};	2075	};
2073		2076
2074	pub const AsmOutput = struct {	2077	pub const AsmOutput = struct {
2075	base: Node = Node {.id = .AsmOutput},	2078	base: Node = Node{ .id = .AsmOutput },
2076	lbracket: TokenIndex,	2079	lbracket: TokenIndex,
2077	symbolic_name: *Node,	2080	symbolic_name: *Node,
2078	constraint: *Node,	2081	constraint: *Node,
...	@@ -2117,7 +2120,7 @@ pub const Node = struct {	...	@@ -2117,7 +2120,7 @@ pub const Node = struct {
2117	};	2120	};
2118		2121
2119	pub const AsmInput = struct {	2122	pub const AsmInput = struct {
2120	base: Node = Node {.id = .AsmInput},	2123	base: Node = Node{ .id = .AsmInput },
2121	lbracket: TokenIndex,	2124	lbracket: TokenIndex,
2122	symbolic_name: *Node,	2125	symbolic_name: *Node,
2123	constraint: *Node,	2126	constraint: *Node,
...	@@ -2149,7 +2152,7 @@ pub const Node = struct {	...	@@ -2149,7 +2152,7 @@ pub const Node = struct {
2149	};	2152	};
2150		2153
2151	pub const Asm = struct {	2154	pub const Asm = struct {
2152	base: Node = Node {.id = .Asm},	2155	base: Node = Node{ .id = .Asm },
2153	asm_token: TokenIndex,	2156	asm_token: TokenIndex,
2154	volatile_token: ?TokenIndex,	2157	volatile_token: ?TokenIndex,
2155	template: *Node,	2158	template: *Node,
...	@@ -2184,7 +2187,7 @@ pub const Node = struct {	...	@@ -2184,7 +2187,7 @@ pub const Node = struct {
2184	};	2187	};
2185		2188
2186	pub const Unreachable = struct {	2189	pub const Unreachable = struct {
2187	base: Node = Node {.id = .Unreachable},	2190	base: Node = Node{ .id = .Unreachable },
2188	token: TokenIndex,	2191	token: TokenIndex,
2189		2192
2190	pub fn iterate(self: Unreachable, index: usize) ?Node {	2193	pub fn iterate(self: Unreachable, index: usize) ?Node {
...	@@ -2201,7 +2204,7 @@ pub const Node = struct {	...	@@ -2201,7 +2204,7 @@ pub const Node = struct {
2201	};	2204	};
2202		2205
2203	pub const ErrorType = struct {	2206	pub const ErrorType = struct {
2204	base: Node = Node {.id = .ErrorType},	2207	base: Node = Node{ .id = .ErrorType },
2205	token: TokenIndex,	2208	token: TokenIndex,
2206		2209
2207	pub fn iterate(self: ErrorType, index: usize) ?Node {	2210	pub fn iterate(self: ErrorType, index: usize) ?Node {
...	@@ -2235,7 +2238,7 @@ pub const Node = struct {	...	@@ -2235,7 +2238,7 @@ pub const Node = struct {
2235	};	2238	};
2236		2239
2237	pub const DocComment = struct {	2240	pub const DocComment = struct {
2238	base: Node = Node {.id = .DocComment},	2241	base: Node = Node{ .id = .DocComment },
2239	lines: LineList,	2242	lines: LineList,
2240		2243
2241	pub const LineList = SegmentedList(TokenIndex, 4);	2244	pub const LineList = SegmentedList(TokenIndex, 4);
...	@@ -2254,7 +2257,7 @@ pub const Node = struct {	...	@@ -2254,7 +2257,7 @@ pub const Node = struct {
2254	};	2257	};
2255		2258
2256	pub const TestDecl = struct {	2259	pub const TestDecl = struct {
2257	base: Node = Node {.id = .TestDecl},	2260	base: Node = Node{ .id = .TestDecl },
2258	doc_comments: ?*DocComment,	2261	doc_comments: ?*DocComment,
2259	test_token: TokenIndex,	2262	test_token: TokenIndex,
2260	name: *Node,	2263	name: *Node,

lib/std/zig/render.zig+1-1

...	@@ -643,7 +643,7 @@ fn renderExpression(	...	@@ -643,7 +643,7 @@ fn renderExpression(
643	},	643	},
644		644
645	.ArrayAccess => \|index_expr\| {	645	.ArrayAccess => \|index_expr\| {
646	const lbracket = tree.prevToken(index_expr.firstToken());	646	const lbracket = tree.nextToken(suffix_op.lhs.node.lastToken());
647	const rbracket = tree.nextToken(index_expr.lastToken());	647	const rbracket = tree.nextToken(index_expr.lastToken());
648		648
649	try renderExpression(allocator, stream, tree, indent, start_col, suffix_op.lhs.node, Space.None);	649	try renderExpression(allocator, stream, tree, indent, start_col, suffix_op.lhs.node, Space.None);

src-self-hosted/c_tokenizer.zig+214-73

...	@@ -8,7 +8,7 @@ pub const TokenList = std.SegmentedList(CToken, 32);	...	@@ -8,7 +8,7 @@ pub const TokenList = std.SegmentedList(CToken, 32);
8		8
9	pub const CToken = struct {	9	pub const CToken = struct {
10	id: Id,	10	id: Id,
11	bytes: []const u8,	11	bytes: []const u8 = "",
12	num_lit_suffix: NumLitSuffix = .None,	12	num_lit_suffix: NumLitSuffix = .None,
13		13
14	pub const Id = enum {	14	pub const Id = enum {
...	@@ -17,20 +17,33 @@ pub const CToken = struct {	...	@@ -17,20 +17,33 @@ pub const CToken = struct {
17	NumLitInt,	17	NumLitInt,
18	NumLitFloat,	18	NumLitFloat,
19	Identifier,	19	Identifier,
		20	Plus,
20	Minus,	21	Minus,
21	Slash,	22	Slash,
22	LParen,	23	LParen,
23	RParen,	24	RParen,
24	Eof,	25	Eof,
25	Dot,	26	Dot,
26	Asterisk,	27	Asterisk, // *
27	Bang,	28	Ampersand, // &
28	Tilde,	29	And, // &&
29	Shl,	30	Assign, // =
30	Lt,	31	Or, // \|\|
		32	Bang, // !
		33	Tilde, // ~
		34	Shl, // <<
		35	Shr, // >>
		36	Lt, // <
		37	Lte, // <=
		38	Gt, // >
		39	Gte, // >=
		40	Eq, // ==
		41	Ne, // !=
		42	Increment, // ++
		43	Decrement, // --
31	Comma,	44	Comma,
32	Fn,	45	Fn,
33	Arrow,	46	Arrow, // ->
34	LBrace,	47	LBrace,
35	RBrace,	48	RBrace,
36	Pipe,	49	Pipe,
...	@@ -225,7 +238,14 @@ fn zigifyEscapeSequences(ctx: *Context, loc: ZigClangSourceLocation, name: []con	...	@@ -225,7 +238,14 @@ fn zigifyEscapeSequences(ctx: *Context, loc: ZigClangSourceLocation, name: []con
225	fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:0]const u8, i: *usize) !CToken {	238	fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:0]const u8, i: *usize) !CToken {
226	var state: enum {	239	var state: enum {
227	Start,	240	Start,
228	GotLt,	241	SawLt,
		242	SawGt,
		243	SawPlus,
		244	SawMinus,
		245	SawAmpersand,
		246	SawPipe,
		247	SawBang,
		248	SawEq,
229	CharLit,	249	CharLit,
230	OpenComment,	250	OpenComment,
231	Comment,	251	Comment,
...	@@ -235,7 +255,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -235,7 +255,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
235	Identifier,	255	Identifier,
236	Decimal,	256	Decimal,
237	Octal,	257	Octal,
238	GotZero,	258	SawZero,
239	Hex,	259	Hex,
240	Bin,	260	Bin,
241	Float,	261	Float,
...	@@ -246,7 +266,6 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -246,7 +266,6 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
246	NumLitIntSuffixL,	266	NumLitIntSuffixL,
247	NumLitIntSuffixLL,	267	NumLitIntSuffixLL,
248	NumLitIntSuffixUL,	268	NumLitIntSuffixUL,
249	Minus,
250	Done,	269	Done,
251	} = .Start;	270	} = .Start;
252		271
...	@@ -267,7 +286,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -267,7 +286,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
267	.Hex,	286	.Hex,
268	.Bin,	287	.Bin,
269	.Octal,	288	.Octal,
270	.GotZero,	289	.SawZero,
271	.Float,	290	.Float,
272	.FloatExp,	291	.FloatExp,
273	=> {	292	=> {
...	@@ -275,13 +294,19 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -275,13 +294,19 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
275	return result;	294	return result;
276	},	295	},
277	.Start,	296	.Start,
278	.Minus,	297	.SawMinus,
279	.Done,	298	.Done,
280	.NumLitIntSuffixU,	299	.NumLitIntSuffixU,
281	.NumLitIntSuffixL,	300	.NumLitIntSuffixL,
282	.NumLitIntSuffixUL,	301	.NumLitIntSuffixUL,
283	.NumLitIntSuffixLL,	302	.NumLitIntSuffixLL,
284	.GotLt,	303	.SawLt,
		304	.SawGt,
		305	.SawPlus,
		306	.SawAmpersand,
		307	.SawPipe,
		308	.SawBang,
		309	.SawEq,
285	=> {	310	=> {
286	return result;	311	return result;
287	},	312	},
...	@@ -333,7 +358,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -333,7 +358,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
333	begin_index = i.*;	358	begin_index = i.*;
334	},	359	},
335	'0' => {	360	'0' => {
336	state = .GotZero;	361	state = .SawZero;
337	result.id = .NumLitInt;	362	result.id = .NumLitInt;
338	begin_index = i.*;	363	begin_index = i.*;
339	},	364	},
...	@@ -343,7 +368,11 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -343,7 +368,11 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
343	},	368	},
344	'<' => {	369	'<' => {
345	result.id = .Lt;	370	result.id = .Lt;
346	state = .GotLt;	371	state = .SawLt;
		372	},
		373	'>' => {
		374	result.id = .Gt;
		375	state = .SawGt;
347	},	376	},
348	'(' => {	377	'(' => {
349	result.id = .LParen;	378	result.id = .LParen;
...	@@ -357,18 +386,26 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -357,18 +386,26 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
357	result.id = .Asterisk;	386	result.id = .Asterisk;
358	state = .Done;	387	state = .Done;
359	},	388	},
		389	'+' => {
		390	result.id = .Plus;
		391	state = .SawPlus;
		392	},
360	'-' => {	393	'-' => {
361	state = .Minus;
362	result.id = .Minus;	394	result.id = .Minus;
		395	state = .SawMinus;
363	},	396	},
364	'!' => {	397	'!' => {
365	result.id = .Bang;	398	result.id = .Bang;
366	state = .Done;	399	state = .SawBang;
367	},	400	},
368	'~' => {	401	'~' => {
369	result.id = .Tilde;	402	result.id = .Tilde;
370	state = .Done;	403	state = .Done;
371	},	404	},
		405	'=' => {
		406	result.id = .Assign;
		407	state = .SawEq;
		408	},
372	',' => {	409	',' => {
373	result.id = .Comma;	410	result.id = .Comma;
374	state = .Done;	411	state = .Done;
...	@@ -383,7 +420,11 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -383,7 +420,11 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
383	},	420	},
384	'\|' => {	421	'\|' => {
385	result.id = .Pipe;	422	result.id = .Pipe;
386	state = .Done;	423	state = .SawPipe;
		424	},
		425	'&' => {
		426	result.id = .Ampersand;
		427	state = .SawAmpersand;
387	},	428	},
388	'?' => {	429	'?' => {
389	result.id = .QuestionMark;	430	result.id = .QuestionMark;
...	@@ -400,26 +441,88 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -400,26 +441,88 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
400	}	441	}
401	},	442	},
402	.Done => return result,	443	.Done => return result,
403	.Minus => {	444	.SawMinus => {
404	switch (c) {	445	switch (c) {
405	'>' => {	446	'>' => {
406	result.id = .Arrow;	447	result.id = .Arrow;
407	state = .Done;	448	state = .Done;
408	},	449	},
409	else => {	450	'-' => {
410	return result;	451	result.id = .Decrement;
		452	state = .Done;
411	},	453	},
		454	else => return result,
412	}	455	}
413	},	456	},
414	.GotLt => {	457	.SawPlus => {
		458	switch (c) {
		459	'+' => {
		460	result.id = .Increment;
		461	state = .Done;
		462	},
		463	else => return result,
		464	}
		465	},
		466	.SawLt => {
415	switch (c) {	467	switch (c) {
416	'<' => {	468	'<' => {
417	result.id = .Shl;	469	result.id = .Shl;
418	state = .Done;	470	state = .Done;
419	},	471	},
420	else => {	472	'=' => {
421	return result;	473	result.id = .Lte;
		474	state = .Done;
		475	},
		476	else => return result,
		477	}
		478	},
		479	.SawGt => {
		480	switch (c) {
		481	'>' => {
		482	result.id = .Shr;
		483	state = .Done;
		484	},
		485	'=' => {
		486	result.id = .Gte;
		487	state = .Done;
		488	},
		489	else => return result,
		490	}
		491	},
		492	.SawPipe => {
		493	switch (c) {
		494	'\|' => {
		495	result.id = .Or;
		496	state = .Done;
		497	},
		498	else => return result,
		499	}
		500	},
		501	.SawAmpersand => {
		502	switch (c) {
		503	'&' => {
		504	result.id = .And;
		505	state = .Done;
		506	},
		507	else => return result,
		508	}
		509	},
		510	.SawBang => {
		511	switch (c) {
		512	'=' => {
		513	result.id = .Ne;
		514	state = .Done;
422	},	515	},
		516	else => return result,
		517	}
		518	},
		519	.SawEq => {
		520	switch (c) {
		521	'=' => {
		522	result.id = .Eq;
		523	state = .Done;
		524	},
		525	else => return result,
423	}	526	}
424	},	527	},
425	.Float => {	528	.Float => {
...	@@ -454,7 +557,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -454,7 +557,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
454	'0'...'9' => {	557	'0'...'9' => {
455	state = .FloatExp;	558	state = .FloatExp;
456	},	559	},
457	else => {	560	else => {
458	try failDecl(ctx, loc, name, "macro tokenizing failed: expected a digit or '+' or '-'", .{});	561	try failDecl(ctx, loc, name, "macro tokenizing failed: expected a digit or '+' or '-'", .{});
459	return error.TokenizingFailed;	562	return error.TokenizingFailed;
460	},	563	},
...	@@ -514,7 +617,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -514,7 +617,7 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
514	},	617	},
515	}	618	}
516	},	619	},
517	.GotZero => {	620	.SawZero => {
518	switch (c) {	621	switch (c) {
519	'x', 'X' => {	622	'x', 'X' => {
520	state = .Hex;	623	state = .Hex;
...	@@ -726,76 +829,114 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:	...	@@ -726,76 +829,114 @@ fn next(ctx: Context, loc: ZigClangSourceLocation, name: []const u8, chars: [:
726	unreachable;	829	unreachable;
727	}	830	}
728		831
		832	fn expectTokens(tl: TokenList, src: [:0]const u8, expected: []CToken) void {
		833	// these can be undefined since they are only used for error reporting
		834	tokenizeCMacro(undefined, undefined, undefined, tl, src) catch unreachable;
		835	var it = tl.iterator(0);
		836	for (expected) \|t\| {
		837	var tok = it.next().?;
		838	std.testing.expectEqual(t.id, tok.id);
		839	if (t.bytes.len > 0) {
		840	//std.debug.warn(" {} = {}\n", .{tok.bytes, t.bytes});
		841	std.testing.expectEqualSlices(u8, tok.bytes, t.bytes);
		842	}
		843	if (t.num_lit_suffix != .None) {
		844	std.testing.expectEqual(t.num_lit_suffix, tok.num_lit_suffix);
		845	}
		846	}
		847	std.testing.expect(it.next() == null);
		848	tl.shrink(0);
		849	}
		850
729	test "tokenize macro" {	851	test "tokenize macro" {
730	var tl = TokenList.init(std.heap.page_allocator);	852	var tl = TokenList.init(std.heap.page_allocator);
731	defer tl.deinit();	853	defer tl.deinit();
732		854
733	const src = "TEST(0\n";	855	expectTokens(&tl, "TEST(0\n", &[_]CToken{
734	try tokenizeCMacro(&tl, src);	856	.{ .id = .Identifier, .bytes = "TEST" },
735	var it = tl.iterator(0);	857	.{ .id = .Fn },
736	expect(it.next().?.id == .Identifier);	858	.{ .id = .LParen },
737	expect(it.next().?.id == .Fn);	859	.{ .id = .NumLitInt, .bytes = "0" },
738	expect(it.next().?.id == .LParen);	860	.{ .id = .Eof },
739	expect(std.mem.eql(u8, it.next().?.bytes, "0"));	861	});
740	expect(it.next().?.id == .Eof);
741	expect(it.next() == null);
742	tl.shrink(0);
743		862
744	const src2 = "__FLT_MIN_10_EXP__ -37\n";	863	expectTokens(&tl, "__FLT_MIN_10_EXP__ -37\n", &[_]CToken{
745	try tokenizeCMacro(&tl, src2);	864	.{ .id = .Identifier, .bytes = "__FLT_MIN_10_EXP__" },
746	it = tl.iterator(0);	865	.{ .id = .Minus },
747	expect(std.mem.eql(u8, it.next().?.bytes, "__FLT_MIN_10_EXP__"));	866	.{ .id = .NumLitInt, .bytes = "37" },
748	expect(it.next().?.id == .Minus);	867	.{ .id = .Eof },
749	expect(std.mem.eql(u8, it.next().?.bytes, "37"));	868	});
750	expect(it.next().?.id == .Eof);
751	expect(it.next() == null);
752	tl.shrink(0);
753		869
754	const src3 = "__llvm__ 1\n#define";	870	expectTokens(&tl, "__llvm__ 1\n#define", &[_]CToken{
755	try tokenizeCMacro(&tl, src3);	871	.{ .id = .Identifier, .bytes = "__llvm__" },
756	it = tl.iterator(0);	872	.{ .id = .NumLitInt, .bytes = "1" },
757	expect(std.mem.eql(u8, it.next().?.bytes, "__llvm__"));	873	.{ .id = .Eof },
758	expect(std.mem.eql(u8, it.next().?.bytes, "1"));	874	});
759	expect(it.next().?.id == .Eof);
760	expect(it.next() == null);
761	tl.shrink(0);
762		875
763	const src4 = "TEST 2";	876	expectTokens(&tl, "TEST 2", &[_]CToken{
764	try tokenizeCMacro(&tl, src4);	877	.{ .id = .Identifier, .bytes = "TEST" },
765	it = tl.iterator(0);	878	.{ .id = .NumLitInt, .bytes = "2" },
766	expect(it.next().?.id == .Identifier);	879	.{ .id = .Eof },
767	expect(std.mem.eql(u8, it.next().?.bytes, "2"));	880	});
768	expect(it.next().?.id == .Eof);
769	expect(it.next() == null);
770	tl.shrink(0);
771		881
772	const src5 = "FOO 0ull";	882	expectTokens(&tl, "FOO 0ull", &[_]CToken{
773	try tokenizeCMacro(&tl, src5);	883	.{ .id = .Identifier, .bytes = "FOO" },
774	it = tl.iterator(0);	884	.{ .id = .NumLitInt, .bytes = "0", .num_lit_suffix = .LLU },
775	expect(it.next().?.id == .Identifier);	885	.{ .id = .Eof },
776	expect(std.mem.eql(u8, it.next().?.bytes, "0"));	886	});
777	expect(it.next().?.id == .Eof);	887	}
778	expect(it.next() == null);	888
779	tl.shrink(0);	889	test "tokenize macro ops" {
		890	var tl = TokenList.init(std.heap.page_allocator);
		891	defer tl.deinit();
		892
		893	expectTokens(&tl, "ADD A + B", &[_]CToken{
		894	.{ .id = .Identifier, .bytes = "ADD" },
		895	.{ .id = .Identifier, .bytes = "A" },
		896	.{ .id = .Plus },
		897	.{ .id = .Identifier, .bytes = "B" },
		898	.{ .id = .Eof },
		899	});
		900
		901	expectTokens(&tl, "ADD (A) + B", &[_]CToken{
		902	.{ .id = .Identifier, .bytes = "ADD" },
		903	.{ .id = .LParen },
		904	.{ .id = .Identifier, .bytes = "A" },
		905	.{ .id = .RParen },
		906	.{ .id = .Plus },
		907	.{ .id = .Identifier, .bytes = "B" },
		908	.{ .id = .Eof },
		909	});
		910
		911	expectTokens(&tl, "ADD (A) + B", &[_]CToken{
		912	.{ .id = .Identifier, .bytes = "ADD" },
		913	.{ .id = .LParen },
		914	.{ .id = .Identifier, .bytes = "A" },
		915	.{ .id = .RParen },
		916	.{ .id = .Plus },
		917	.{ .id = .Identifier, .bytes = "B" },
		918	.{ .id = .Eof },
		919	});
780	}	920	}
781		921
782	test "escape sequences" {	922	test "escape sequences" {
783	var buf: [1024]u8 = undefined;	923	var buf: [1024]u8 = undefined;
784	var alloc = std.heap.FixedBufferAllocator.init(buf[0..]);	924	var alloc = std.heap.FixedBufferAllocator.init(buf[0..]);
785	const a = &alloc.allocator;	925	const a = &alloc.allocator;
786	expect(std.mem.eql(u8, (try zigifyEscapeSequences(a, .{	926	// these can be undefined since they are only used for error reporting
		927	expect(std.mem.eql(u8, (try zigifyEscapeSequences(undefined, undefined, undefined, a, .{
787	.id = .StrLit,	928	.id = .StrLit,
788	.bytes = "\\x0077",	929	.bytes = "\\x0077",
789	})).bytes, "\\x77"));	930	})).bytes, "\\x77"));
790	expect(std.mem.eql(u8, (try zigifyEscapeSequences(a, .{	931	expect(std.mem.eql(u8, (try zigifyEscapeSequences(undefined, undefined, undefined, a, .{
791	.id = .StrLit,	932	.id = .StrLit,
792	.bytes = "\\24500",	933	.bytes = "\\24500",
793	})).bytes, "\\xa500"));	934	})).bytes, "\\xa500"));
794	expect(std.mem.eql(u8, (try zigifyEscapeSequences(a, .{	935	expect(std.mem.eql(u8, (try zigifyEscapeSequences(undefined, undefined, undefined, a, .{
795	.id = .StrLit,	936	.id = .StrLit,
796	.bytes = "\\x0077 abc",	937	.bytes = "\\x0077 abc",
797	})).bytes, "\\x77 abc"));	938	})).bytes, "\\x77 abc"));
798	expect(std.mem.eql(u8, (try zigifyEscapeSequences(a, .{	939	expect(std.mem.eql(u8, (try zigifyEscapeSequences(undefined, undefined, undefined, a, .{
799	.id = .StrLit,	940	.id = .StrLit,
800	.bytes = "\\045abc",	941	.bytes = "\\045abc",
801	})).bytes, "\\x25abc"));	942	})).bytes, "\\x25abc"));

src-self-hosted/clang.zig+4

src-self-hosted/link.zig+5-5

...	@@ -119,11 +119,11 @@ fn linkDiagCallbackErrorable(ctx: *Context, msg: []const u8) !void {	...	@@ -119,11 +119,11 @@ fn linkDiagCallbackErrorable(ctx: *Context, msg: []const u8) !void {
119		119
120	fn toExternObjectFormatType(ofmt: ObjectFormat) c.ZigLLVM_ObjectFormatType {	120	fn toExternObjectFormatType(ofmt: ObjectFormat) c.ZigLLVM_ObjectFormatType {
121	return switch (ofmt) {	121	return switch (ofmt) {
122	.unknown => c.ZigLLVM_UnknownObjectFormat,	122	.unknown => .ZigLLVM_UnknownObjectFormat,
123	.coff => c.ZigLLVM_COFF,	123	.coff => .ZigLLVM_COFF,
124	.elf => c.ZigLLVM_ELF,	124	.elf => .ZigLLVM_ELF,
125	.macho => c.ZigLLVM_MachO,	125	.macho => .ZigLLVM_MachO,
126	.wasm => c.ZigLLVM_Wasm,	126	.wasm => .ZigLLVM_Wasm,
127	};	127	};
128	}	128	}
129		129

src-self-hosted/llvm.zig+22-22

...	@@ -226,24 +226,24 @@ pub const PrintMessageAction = VerifierFailureAction.LLVMPrintMessageAction;	...	@@ -226,24 +226,24 @@ pub const PrintMessageAction = VerifierFailureAction.LLVMPrintMessageAction;
226	pub const ReturnStatusAction = VerifierFailureAction.LLVMReturnStatusAction;	226	pub const ReturnStatusAction = VerifierFailureAction.LLVMReturnStatusAction;
227	pub const VerifierFailureAction = c.LLVMVerifierFailureAction;	227	pub const VerifierFailureAction = c.LLVMVerifierFailureAction;
228		228
229	pub const CodeGenLevelNone = c.LLVMCodeGenOptLevel.LLVMCodeGenLevelNone;	229	pub const CodeGenLevelNone = CodeGenOptLevel.LLVMCodeGenLevelNone;
230	pub const CodeGenLevelLess = c.LLVMCodeGenOptLevel.LLVMCodeGenLevelLess;	230	pub const CodeGenLevelLess = CodeGenOptLevel.LLVMCodeGenLevelLess;
231	pub const CodeGenLevelDefault = c.LLVMCodeGenOptLevel.LLVMCodeGenLevelDefault;	231	pub const CodeGenLevelDefault = CodeGenOptLevel.LLVMCodeGenLevelDefault;
232	pub const CodeGenLevelAggressive = c.LLVMCodeGenOptLevel.LLVMCodeGenLevelAggressive;	232	pub const CodeGenLevelAggressive = CodeGenOptLevel.LLVMCodeGenLevelAggressive;
233	pub const CodeGenOptLevel = c.LLVMCodeGenOptLevel;	233	pub const CodeGenOptLevel = c.LLVMCodeGenOptLevel;
234		234
235	pub const RelocDefault = c.LLVMRelocMode.LLVMRelocDefault;	235	pub const RelocDefault = RelocMode.LLVMRelocDefault;
236	pub const RelocStatic = c.LLVMRelocMode.LLVMRelocStatic;	236	pub const RelocStatic = RelocMode.LLVMRelocStatic;
237	pub const RelocPIC = c.LLVMRelocMode.LLVMRelocPIC;	237	pub const RelocPIC = RelocMode.LLVMRelocPIC;
238	pub const RelocDynamicNoPic = c.LLVMRelocMode.LLVMRelocDynamicNoPic;	238	pub const RelocDynamicNoPic = RelocMode.LLVMRelocDynamicNoPic;
239	pub const RelocMode = c.LLVMRelocMode;	239	pub const RelocMode = c.LLVMRelocMode;
240		240
241	pub const CodeModelDefault = c.LLVMCodeModel.LLVMCodeModelDefault;	241	pub const CodeModelDefault = CodeModel.LLVMCodeModelDefault;
242	pub const CodeModelJITDefault = c.LLVMCodeModel.LLVMCodeModelJITDefault;	242	pub const CodeModelJITDefault = CodeModel.LLVMCodeModelJITDefault;
243	pub const CodeModelSmall = c.LLVMCodeModel.LLVMCodeModelSmall;	243	pub const CodeModelSmall = CodeModel.LLVMCodeModelSmall;
244	pub const CodeModelKernel = c.LLVMCodeModel.LLVMCodeModelKernel;	244	pub const CodeModelKernel = CodeModel.LLVMCodeModelKernel;
245	pub const CodeModelMedium = c.LLVMCodeModel.LLVMCodeModelMedium;	245	pub const CodeModelMedium = CodeModel.LLVMCodeModelMedium;
246	pub const CodeModelLarge = c.LLVMCodeModel.LLVMCodeModelLarge;	246	pub const CodeModelLarge = CodeModel.LLVMCodeModelLarge;
247	pub const CodeModel = c.LLVMCodeModel;	247	pub const CodeModel = c.LLVMCodeModel;
248		248
249	pub const EmitAssembly = EmitOutputType.ZigLLVM_EmitAssembly;	249	pub const EmitAssembly = EmitOutputType.ZigLLVM_EmitAssembly;
...	@@ -251,13 +251,13 @@ pub const EmitBinary = EmitOutputType.ZigLLVM_EmitBinary;	...	@@ -251,13 +251,13 @@ pub const EmitBinary = EmitOutputType.ZigLLVM_EmitBinary;
251	pub const EmitLLVMIr = EmitOutputType.ZigLLVM_EmitLLVMIr;	251	pub const EmitLLVMIr = EmitOutputType.ZigLLVM_EmitLLVMIr;
252	pub const EmitOutputType = c.ZigLLVM_EmitOutputType;	252	pub const EmitOutputType = c.ZigLLVM_EmitOutputType;
253		253
254	pub const CCallConv = c.LLVMCCallConv;	254	pub const CCallConv = CallConv.LLVMCCallConv;
255	pub const FastCallConv = c.LLVMFastCallConv;	255	pub const FastCallConv = CallConv.LLVMFastCallConv;
256	pub const ColdCallConv = c.LLVMColdCallConv;	256	pub const ColdCallConv = CallConv.LLVMColdCallConv;
257	pub const WebKitJSCallConv = c.LLVMWebKitJSCallConv;	257	pub const WebKitJSCallConv = CallConv.LLVMWebKitJSCallConv;
258	pub const AnyRegCallConv = c.LLVMAnyRegCallConv;	258	pub const AnyRegCallConv = CallConv.LLVMAnyRegCallConv;
259	pub const X86StdcallCallConv = c.LLVMX86StdcallCallConv;	259	pub const X86StdcallCallConv = CallConv.LLVMX86StdcallCallConv;
260	pub const X86FastcallCallConv = c.LLVMX86FastcallCallConv;	260	pub const X86FastcallCallConv = CallConv.LLVMX86FastcallCallConv;
261	pub const CallConv = c.LLVMCallConv;	261	pub const CallConv = c.LLVMCallConv;
262		262
263	pub const CallAttr = extern enum {	263	pub const CallAttr = extern enum {
...	@@ -288,6 +288,6 @@ extern fn ZigLLVMTargetMachineEmitToFile(	...	@@ -288,6 +288,6 @@ extern fn ZigLLVMTargetMachineEmitToFile(
288	) bool;	288	) bool;
289		289
290	pub const BuildCall = ZigLLVMBuildCall;	290	pub const BuildCall = ZigLLVMBuildCall;
291	extern fn ZigLLVMBuildCall(B: Builder, Fn: Value, Args: []Value, NumArgs: c_uint, CC: c_uint, fn_inline: CallAttr, Name: [:0]const u8) ?Value;	291	extern fn ZigLLVMBuildCall(B: Builder, Fn: Value, Args: []Value, NumArgs: c_uint, CC: CallConv, fn_inline: CallAttr, Name: [:0]const u8) ?Value;
292		292
293	pub const PrivateLinkage = c.LLVMLinkage.LLVMPrivateLinkage;	293	pub const PrivateLinkage = c.LLVMLinkage.LLVMPrivateLinkage;

src-self-hosted/stage1.zig+1-1

...	@@ -95,7 +95,7 @@ export fn stage2_translate_c(	...	@@ -95,7 +95,7 @@ export fn stage2_translate_c(
95	args_end: []?[]const u8,	95	args_end: []?[]const u8,
96	resources_path: [*:0]const u8,	96	resources_path: [*:0]const u8,
97	) Error {	97	) Error {
98	var errors: []translate_c.ClangErrMsg = undefined;	98	var errors = @as([*]translate_c.ClangErrMsg, undefined)[0..0];
99	out_ast.* = translate_c.translate(std.heap.c_allocator, args_begin, args_end, &errors, resources_path) catch \|err\| switch (err) {	99	out_ast.* = translate_c.translate(std.heap.c_allocator, args_begin, args_end, &errors, resources_path) catch \|err\| switch (err) {
100	error.SemanticAnalyzeFail => {	100	error.SemanticAnalyzeFail => {
101	out_errors_ptr.* = errors.ptr;	101	out_errors_ptr.* = errors.ptr;

src-self-hosted/translate_c.zig+228-89

...	@@ -249,6 +249,7 @@ pub fn translate(	...	@@ -249,6 +249,7 @@ pub fn translate(
249	.arena_allocator = tree_arena,	249	.arena_allocator = tree_arena,
250	.tokens = undefined, // can't reference the allocator yet	250	.tokens = undefined, // can't reference the allocator yet
251	.errors = undefined, // can't reference the allocator yet	251	.errors = undefined, // can't reference the allocator yet
		252	.generated = true,
252	};	253	};
253	break :blk tree;	254	break :blk tree;
254	};	255	};
...	@@ -409,11 +410,17 @@ fn visitFnDecl(c: Context, fn_decl: const ZigClangFunctionDecl) Error!void {	...	@@ -409,11 +410,17 @@ fn visitFnDecl(c: Context, fn_decl: const ZigClangFunctionDecl) Error!void {
409	const param_name = tokenSlice(c, param.name_token orelse	410	const param_name = tokenSlice(c, param.name_token orelse
410	return failDecl(c, fn_decl_loc, fn_name, "function {} parameter has no name", .{fn_name}));	411	return failDecl(c, fn_decl_loc, fn_name, "function {} parameter has no name", .{fn_name}));
411		412
412	const checked_param_name = if (try scope.createAlias(rp.c, param_name)) \|a\| blk: {	413	// in Zig top level declarations are order-independent so this might be shadowed later
413	try block_scope.variables.push(.{ .name = param_name, .alias = a });	414	const checked_param_name = try std.fmt.allocPrint(c.a(), "{}_{}", .{ param_name, c.getMangle() });
414	break :blk a;	415	try block_scope.variables.push(.{ .name = param_name, .alias = checked_param_name });
415	} else param_name;	416
416	const arg_name = try std.fmt.allocPrint(c.a(), "_arg_{}", .{checked_param_name});	417	const arg_name = blk: {
		418	const bare_arg_name = try std.fmt.allocPrint(c.a(), "_arg_{}", .{checked_param_name});
		419	break :blk if (try scope.createAlias(rp.c, bare_arg_name)) \|a\|
		420	a
		421	else
		422	bare_arg_name;
		423	};
417		424
418	const node = try transCreateNodeVarDecl(c, false, false, checked_param_name);	425	const node = try transCreateNodeVarDecl(c, false, false, checked_param_name);
419	node.eq_token = try appendToken(c, .Equal, "=");	426	node.eq_token = try appendToken(c, .Equal, "=");
...	@@ -532,49 +539,53 @@ fn transTypeDef(c: Context, typedef_decl: const ZigClangTypedefNameDecl) Error	...	@@ -532,49 +539,53 @@ fn transTypeDef(c: Context, typedef_decl: const ZigClangTypedefNameDecl) Error
532		539
533	const typedef_name = try c.str(ZigClangDecl_getName_bytes_begin(@ptrCast(*const ZigClangDecl, typedef_decl)));	540	const typedef_name = try c.str(ZigClangDecl_getName_bytes_begin(@ptrCast(*const ZigClangDecl, typedef_decl)));
534		541
535	if (mem.eql(u8, typedef_name, "uint8_t"))	542	// TODO https://github.com/ziglang/zig/issues/3756
		543	// TODO https://github.com/ziglang/zig/issues/1802
		544	const checked_name = if (isZigPrimitiveType(typedef_name)) try std.fmt.allocPrint(c.a(), "_{}", .{typedef_name}) else typedef_name;
		545
		546	if (mem.eql(u8, checked_name, "uint8_t"))
536	return transTypeDefAsBuiltin(c, typedef_decl, "u8")	547	return transTypeDefAsBuiltin(c, typedef_decl, "u8")
537	else if (mem.eql(u8, typedef_name, "int8_t"))	548	else if (mem.eql(u8, checked_name, "int8_t"))
538	return transTypeDefAsBuiltin(c, typedef_decl, "i8")	549	return transTypeDefAsBuiltin(c, typedef_decl, "i8")
539	else if (mem.eql(u8, typedef_name, "uint16_t"))	550	else if (mem.eql(u8, checked_name, "uint16_t"))
540	return transTypeDefAsBuiltin(c, typedef_decl, "u16")	551	return transTypeDefAsBuiltin(c, typedef_decl, "u16")
541	else if (mem.eql(u8, typedef_name, "int16_t"))	552	else if (mem.eql(u8, checked_name, "int16_t"))
542	return transTypeDefAsBuiltin(c, typedef_decl, "i16")	553	return transTypeDefAsBuiltin(c, typedef_decl, "i16")
543	else if (mem.eql(u8, typedef_name, "uint32_t"))	554	else if (mem.eql(u8, checked_name, "uint32_t"))
544	return transTypeDefAsBuiltin(c, typedef_decl, "u32")	555	return transTypeDefAsBuiltin(c, typedef_decl, "u32")
545	else if (mem.eql(u8, typedef_name, "int32_t"))	556	else if (mem.eql(u8, checked_name, "int32_t"))
546	return transTypeDefAsBuiltin(c, typedef_decl, "i32")	557	return transTypeDefAsBuiltin(c, typedef_decl, "i32")
547	else if (mem.eql(u8, typedef_name, "uint64_t"))	558	else if (mem.eql(u8, checked_name, "uint64_t"))
548	return transTypeDefAsBuiltin(c, typedef_decl, "u64")	559	return transTypeDefAsBuiltin(c, typedef_decl, "u64")
549	else if (mem.eql(u8, typedef_name, "int64_t"))	560	else if (mem.eql(u8, checked_name, "int64_t"))
550	return transTypeDefAsBuiltin(c, typedef_decl, "i64")	561	return transTypeDefAsBuiltin(c, typedef_decl, "i64")
551	else if (mem.eql(u8, typedef_name, "intptr_t"))	562	else if (mem.eql(u8, checked_name, "intptr_t"))
552	return transTypeDefAsBuiltin(c, typedef_decl, "isize")	563	return transTypeDefAsBuiltin(c, typedef_decl, "isize")
553	else if (mem.eql(u8, typedef_name, "uintptr_t"))	564	else if (mem.eql(u8, checked_name, "uintptr_t"))
554	return transTypeDefAsBuiltin(c, typedef_decl, "usize")	565	return transTypeDefAsBuiltin(c, typedef_decl, "usize")
555	else if (mem.eql(u8, typedef_name, "ssize_t"))	566	else if (mem.eql(u8, checked_name, "ssize_t"))
556	return transTypeDefAsBuiltin(c, typedef_decl, "isize")	567	return transTypeDefAsBuiltin(c, typedef_decl, "isize")
557	else if (mem.eql(u8, typedef_name, "size_t"))	568	else if (mem.eql(u8, checked_name, "size_t"))
558	return transTypeDefAsBuiltin(c, typedef_decl, "usize");	569	return transTypeDefAsBuiltin(c, typedef_decl, "usize");
559		570
560	_ = try c.decl_table.put(@ptrToInt(ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl)), typedef_name);	571	_ = try c.decl_table.put(@ptrToInt(ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl)), checked_name);
561	const visib_tok = try appendToken(c, .Keyword_pub, "pub");	572	const visib_tok = try appendToken(c, .Keyword_pub, "pub");
562	const const_tok = try appendToken(c, .Keyword_const, "const");	573	const const_tok = try appendToken(c, .Keyword_const, "const");
563	const node = try transCreateNodeVarDecl(c, true, true, typedef_name);	574	const node = try transCreateNodeVarDecl(c, true, true, checked_name);
564	node.eq_token = try appendToken(c, .Equal, "=");	575	node.eq_token = try appendToken(c, .Equal, "=");
565		576
566	const child_qt = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl);	577	const child_qt = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl);
567	const typedef_loc = ZigClangTypedefNameDecl_getLocation(typedef_decl);	578	const typedef_loc = ZigClangTypedefNameDecl_getLocation(typedef_decl);
568	node.init_node = transQualType(rp, child_qt, typedef_loc) catch \|err\| switch (err) {	579	node.init_node = transQualType(rp, child_qt, typedef_loc) catch \|err\| switch (err) {
569	error.UnsupportedType => {	580	error.UnsupportedType => {
570	try failDecl(c, typedef_loc, typedef_name, "unable to resolve typedef child type", .{});	581	try failDecl(c, typedef_loc, checked_name, "unable to resolve typedef child type", .{});
571	return null;	582	return null;
572	},	583	},
573	error.OutOfMemory => \|e\| return e,	584	error.OutOfMemory => \|e\| return e,
574	};	585	};
575	node.semicolon_token = try appendToken(c, .Semicolon, ";");	586	node.semicolon_token = try appendToken(c, .Semicolon, ";");
576	try addTopLevelDecl(c, typedef_name, &node.base);	587	try addTopLevelDecl(c, checked_name, &node.base);
577	return transCreateNodeIdentifier(c, typedef_name);	588	return transCreateNodeIdentifier(c, checked_name);
578	}	589	}
579		590
580	fn transRecordDecl(c: Context, record_decl: const ZigClangRecordDecl) Error!?*ast.Node {	591	fn transRecordDecl(c: Context, record_decl: const ZigClangRecordDecl) Error!?*ast.Node {
...	@@ -842,15 +853,15 @@ fn transStmt(	...	@@ -842,15 +853,15 @@ fn transStmt(
842	.ReturnStmtClass => return transReturnStmt(rp, scope, @ptrCast(*const ZigClangReturnStmt, stmt)),	853	.ReturnStmtClass => return transReturnStmt(rp, scope, @ptrCast(*const ZigClangReturnStmt, stmt)),
843	.StringLiteralClass => return transStringLiteral(rp, scope, @ptrCast(*const ZigClangStringLiteral, stmt), result_used),	854	.StringLiteralClass => return transStringLiteral(rp, scope, @ptrCast(*const ZigClangStringLiteral, stmt), result_used),
844	.ParenExprClass => {	855	.ParenExprClass => {
845	const expr = try transExpr(rp, scope, ZigClangParenExpr_getSubExpr(@ptrCast(*const ZigClangParenExpr, stmt)), result_used, lrvalue);	856	const expr = try transExpr(rp, scope, ZigClangParenExpr_getSubExpr(@ptrCast(*const ZigClangParenExpr, stmt)), .used, lrvalue);
846	if (expr.id == .GroupedExpression) return expr;	857	if (expr.id == .GroupedExpression) return maybeSuppressResult(rp, scope, result_used, expr);
847	const node = try rp.c.a().create(ast.Node.GroupedExpression);	858	const node = try rp.c.a().create(ast.Node.GroupedExpression);
848	node.* = .{	859	node.* = .{
849	.lparen = try appendToken(rp.c, .LParen, "("),	860	.lparen = try appendToken(rp.c, .LParen, "("),
850	.expr = expr,	861	.expr = expr,
851	.rparen = try appendToken(rp.c, .RParen, ")"),	862	.rparen = try appendToken(rp.c, .RParen, ")"),
852	};	863	};
853	return &node.base;	864	return maybeSuppressResult(rp, scope, result_used, &node.base);
854	},	865	},
855	.InitListExprClass => return transInitListExpr(rp, scope, @ptrCast(*const ZigClangInitListExpr, stmt), result_used),	866	.InitListExprClass => return transInitListExpr(rp, scope, @ptrCast(*const ZigClangInitListExpr, stmt), result_used),
856	.ImplicitValueInitExprClass => return transImplicitValueInitExpr(rp, scope, @ptrCast(*const ZigClangExpr, stmt), result_used),	867	.ImplicitValueInitExprClass => return transImplicitValueInitExpr(rp, scope, @ptrCast(*const ZigClangExpr, stmt), result_used),
...	@@ -1193,7 +1204,7 @@ fn transImplicitCastExpr(	...	@@ -1193,7 +1204,7 @@ fn transImplicitCastExpr(
1193	const dest_type = getExprQualType(c, @ptrCast(*const ZigClangExpr, expr));	1204	const dest_type = getExprQualType(c, @ptrCast(*const ZigClangExpr, expr));
1194	const src_type = getExprQualType(c, sub_expr);	1205	const src_type = getExprQualType(c, sub_expr);
1195	switch (ZigClangImplicitCastExpr_getCastKind(expr)) {	1206	switch (ZigClangImplicitCastExpr_getCastKind(expr)) {
1196	.BitCast, .FloatingCast, .FloatingToIntegral, .IntegralToFloating, .IntegralCast => {	1207	.BitCast, .FloatingCast, .FloatingToIntegral, .IntegralToFloating, .IntegralCast, .PointerToIntegral, .IntegralToPointer => {
1197	return transCCast(rp, scope, ZigClangImplicitCastExpr_getBeginLoc(expr), dest_type, src_type, sub_expr_node);	1208	return transCCast(rp, scope, ZigClangImplicitCastExpr_getBeginLoc(expr), dest_type, src_type, sub_expr_node);
1198	},	1209	},
1199	.LValueToRValue, .NoOp, .FunctionToPointerDecay, .ArrayToPointerDecay => {	1210	.LValueToRValue, .NoOp, .FunctionToPointerDecay, .ArrayToPointerDecay => {
...	@@ -1220,29 +1231,6 @@ fn transImplicitCastExpr(	...	@@ -1220,29 +1231,6 @@ fn transImplicitCastExpr(
1220	const rhs_node = try transCreateNodeInt(rp.c, 0);	1231	const rhs_node = try transCreateNodeInt(rp.c, 0);
1221	return transCreateNodeInfixOp(rp, scope, node, .BangEqual, op_token, rhs_node, result_used, false);	1232	return transCreateNodeInfixOp(rp, scope, node, .BangEqual, op_token, rhs_node, result_used, false);
1222	},	1233	},
1223	.PointerToIntegral => {
1224	// @intCast(dest_type, @ptrToInt(val))
1225	const cast_node = try transCreateNodeBuiltinFnCall(rp.c, "@intCast");
1226	try cast_node.params.push(try transQualType(rp, dest_type, ZigClangImplicitCastExpr_getBeginLoc(expr)));
1227	_ = try appendToken(rp.c, .Comma, ",");
1228
1229	const ptr_to_int = try transCreateNodeBuiltinFnCall(rp.c, "@ptrToInt");
1230	try ptr_to_int.params.push(try transExpr(rp, scope, sub_expr, .used, .r_value));
1231	ptr_to_int.rparen_token = try appendToken(rp.c, .RParen, ")");
1232	try cast_node.params.push(&ptr_to_int.base);
1233	cast_node.rparen_token = try appendToken(rp.c, .RParen, ")");
1234	return maybeSuppressResult(rp, scope, result_used, &cast_node.base);
1235	},
1236	.IntegralToPointer => {
1237	// @intToPtr(dest_type, val)
1238	const int_to_ptr = try transCreateNodeBuiltinFnCall(rp.c, "@intToPtr");
1239	try int_to_ptr.params.push(try transQualType(rp, dest_type, ZigClangImplicitCastExpr_getBeginLoc(expr)));
1240	_ = try appendToken(rp.c, .Comma, ",");
1241
1242	try int_to_ptr.params.push(try transExpr(rp, scope, sub_expr, .used, .r_value));
1243	int_to_ptr.rparen_token = try appendToken(rp.c, .RParen, ")");
1244	return maybeSuppressResult(rp, scope, result_used, &int_to_ptr.base);
1245	},
1246	else => \|kind\| return revertAndWarn(	1234	else => \|kind\| return revertAndWarn(
1247	rp,	1235	rp,
1248	error.UnsupportedTranslation,	1236	error.UnsupportedTranslation,
...	@@ -1508,8 +1496,18 @@ fn transCCast(	...	@@ -1508,8 +1496,18 @@ fn transCCast(
1508	if (ZigClangQualType_eq(dst_type, src_type)) return expr;	1496	if (ZigClangQualType_eq(dst_type, src_type)) return expr;
1509	if (qualTypeIsPtr(dst_type) and qualTypeIsPtr(src_type))	1497	if (qualTypeIsPtr(dst_type) and qualTypeIsPtr(src_type))
1510	return transCPtrCast(rp, loc, dst_type, src_type, expr);	1498	return transCPtrCast(rp, loc, dst_type, src_type, expr);
1511	if (cIsUnsignedInteger(dst_type) and qualTypeIsPtr(src_type)) {	1499	if (cIsInteger(dst_type) and cIsInteger(src_type)) {
1512	const cast_node = try transCreateNodeBuiltinFnCall(rp.c, "@as");	1500	// @intCast(dest_type, val)
		1501	const cast_node = try transCreateNodeBuiltinFnCall(rp.c, "@intCast");
		1502	try cast_node.params.push(try transQualType(rp, dst_type, loc));
		1503	_ = try appendToken(rp.c, .Comma, ",");
		1504	try cast_node.params.push(expr);
		1505	cast_node.rparen_token = try appendToken(rp.c, .RParen, ")");
		1506	return &cast_node.base;
		1507	}
		1508	if (cIsInteger(dst_type) and qualTypeIsPtr(src_type)) {
		1509	// @intCast(dest_type, @ptrToInt(val))
		1510	const cast_node = try transCreateNodeBuiltinFnCall(rp.c, "@intCast");
1513	try cast_node.params.push(try transQualType(rp, dst_type, loc));	1511	try cast_node.params.push(try transQualType(rp, dst_type, loc));
1514	_ = try appendToken(rp.c, .Comma, ",");	1512	_ = try appendToken(rp.c, .Comma, ",");
1515	const builtin_node = try transCreateNodeBuiltinFnCall(rp.c, "@ptrToInt");	1513	const builtin_node = try transCreateNodeBuiltinFnCall(rp.c, "@ptrToInt");
...	@@ -1519,7 +1517,8 @@ fn transCCast(	...	@@ -1519,7 +1517,8 @@ fn transCCast(
1519	cast_node.rparen_token = try appendToken(rp.c, .RParen, ")");	1517	cast_node.rparen_token = try appendToken(rp.c, .RParen, ")");
1520	return &cast_node.base;	1518	return &cast_node.base;
1521	}	1519	}
1522	if (cIsUnsignedInteger(src_type) and qualTypeIsPtr(dst_type)) {	1520	if (cIsInteger(src_type) and qualTypeIsPtr(dst_type)) {
		1521	// @intToPtr(dest_type, val)
1523	const builtin_node = try transCreateNodeBuiltinFnCall(rp.c, "@intToPtr");	1522	const builtin_node = try transCreateNodeBuiltinFnCall(rp.c, "@intToPtr");
1524	try builtin_node.params.push(try transQualType(rp, dst_type, loc));	1523	try builtin_node.params.push(try transQualType(rp, dst_type, loc));
1525	_ = try appendToken(rp.c, .Comma, ",");	1524	_ = try appendToken(rp.c, .Comma, ",");
...	@@ -1793,7 +1792,10 @@ fn transDoWhileLoop(	...	@@ -1793,7 +1792,10 @@ fn transDoWhileLoop(
1793	// zig: b;	1792	// zig: b;
1794	// zig: if (!cond) break;	1793	// zig: if (!cond) break;
1795	// zig: }	1794	// zig: }
1796	break :blk (try transStmt(rp, &loop_scope, ZigClangDoStmt_getBody(stmt), .unused, .r_value)).cast(ast.Node.Block).?;	1795	const body = (try transStmt(rp, &loop_scope, ZigClangDoStmt_getBody(stmt), .unused, .r_value)).cast(ast.Node.Block).?;
		1796	// if this is used as an expression in Zig it needs to be immediately followed by a semicolon
		1797	_ = try appendToken(rp.c, .Semicolon, ";");
		1798	break :blk body;
1797	} else blk: {	1799	} else blk: {
1798	// the C statement is without a block, so we need to create a block to contain it.	1800	// the C statement is without a block, so we need to create a block to contain it.
1799	// c: do	1801	// c: do
...	@@ -2096,6 +2098,9 @@ fn transMemberExpr(rp: RestorePoint, scope: Scope, stmt: const ZigClangMemberE	...	@@ -2096,6 +2098,9 @@ fn transMemberExpr(rp: RestorePoint, scope: Scope, stmt: const ZigClangMemberE
2096	}	2098	}
2097		2099
2098	const name = try rp.c.str(ZigClangDecl_getName_bytes_begin(@ptrCast(*const ZigClangDecl, ZigClangMemberExpr_getMemberDecl(stmt))));	2100	const name = try rp.c.str(ZigClangDecl_getName_bytes_begin(@ptrCast(*const ZigClangDecl, ZigClangMemberExpr_getMemberDecl(stmt))));
		2101	if (name.len == 0) {
		2102	return revertAndWarn(rp, error.UnsupportedTranslation, ZigClangStmt_getBeginLoc(@ptrCast(*const ZigClangStmt, stmt)), "TODO access of anonymous field", .{});
		2103	}
2099	const node = try transCreateNodeFieldAccess(rp.c, container_node, name);	2104	const node = try transCreateNodeFieldAccess(rp.c, container_node, name);
2100	return maybeSuppressResult(rp, scope, result_used, node);	2105	return maybeSuppressResult(rp, scope, result_used, node);
2101	}	2106	}
...	@@ -2869,6 +2874,10 @@ fn typeIsOpaque(c: Context, ty: const ZigClangType, loc: ZigClangSourceLocatio	...	@@ -2869,6 +2874,10 @@ fn typeIsOpaque(c: Context, ty: const ZigClangType, loc: ZigClangSourceLocatio
2869	}	2874	}
2870	}	2875	}
2871		2876
		2877	fn cIsInteger(qt: ZigClangQualType) bool {
		2878	return cIsSignedInteger(qt) or cIsUnsignedInteger(qt);
		2879	}
		2880
2872	fn cIsUnsignedInteger(qt: ZigClangQualType) bool {	2881	fn cIsUnsignedInteger(qt: ZigClangQualType) bool {
2873	const c_type = qualTypeCanon(qt);	2882	const c_type = qualTypeCanon(qt);
2874	if (ZigClangType_getTypeClass(c_type) != .Builtin) return false;	2883	if (ZigClangType_getTypeClass(c_type) != .Builtin) return false;
...	@@ -4234,7 +4243,7 @@ fn transMacroFnDefine(c: Context, it: ctok.TokenList.Iterator, name: []const u	...	@@ -4234,7 +4243,7 @@ fn transMacroFnDefine(c: Context, it: ctok.TokenList.Iterator, name: []const u
4234	_ = try appendToken(c, .RParen, ")");	4243	_ = try appendToken(c, .RParen, ")");
4235		4244
4236	const type_of = try transCreateNodeBuiltinFnCall(c, "@TypeOf");	4245	const type_of = try transCreateNodeBuiltinFnCall(c, "@TypeOf");
4237	type_of.rparen_token = try appendToken(c, .LParen, ")");	4246	type_of.rparen_token = try appendToken(c, .RParen, ")");
4238		4247
4239	const fn_proto = try c.a().create(ast.Node.FnProto);	4248	const fn_proto = try c.a().create(ast.Node.FnProto);
4240	fn_proto.* = .{	4249	fn_proto.* = .{
...	@@ -4279,7 +4288,33 @@ fn transMacroFnDefine(c: Context, it: ctok.TokenList.Iterator, name: []const u	...	@@ -4279,7 +4288,33 @@ fn transMacroFnDefine(c: Context, it: ctok.TokenList.Iterator, name: []const u
4279	const ParseError = Error \|\| error{ParseError};	4288	const ParseError = Error \|\| error{ParseError};
4280		4289
4281	fn parseCExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigClangSourceLocation, scope: Scope) ParseError!ast.Node {	4290	fn parseCExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigClangSourceLocation, scope: Scope) ParseError!ast.Node {
4282	return parseCPrefixOpExpr(c, it, source_loc, scope);	4291	const node = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4292	switch (it.next().?.id) {
		4293	.QuestionMark => {
		4294	// must come immediately after expr
		4295	_ = try appendToken(c, .RParen, ")");
		4296	const if_node = try transCreateNodeIf(c);
		4297	if_node.condition = node;
		4298	if_node.body = try parseCPrimaryExpr(c, it, source_loc, scope);
		4299	if (it.next().?.id != .Colon) {
		4300	try failDecl(
		4301	c,
		4302	source_loc,
		4303	it.list.at(0).*.bytes,
		4304	"unable to translate C expr: expected ':'",
		4305	.{},
		4306	);
		4307	return error.ParseError;
		4308	}
		4309	if_node.@"else" = try transCreateNodeElse(c);
		4310	if_node.@"else".?.body = try parseCPrimaryExpr(c, it, source_loc, scope);
		4311	return &if_node.base;
		4312	},
		4313	else => {
		4314	_ = it.prev();
		4315	return node;
		4316	},
		4317	}
4283	}	4318	}
4284		4319
4285	fn parseCNumLit(c: Context, tok: CToken, source_loc: ZigClangSourceLocation) ParseError!*ast.Node {	4320	fn parseCNumLit(c: Context, tok: CToken, source_loc: ZigClangSourceLocation) ParseError!*ast.Node {
...	@@ -4391,8 +4426,8 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC	...	@@ -4391,8 +4426,8 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC
4391	const type_of_1 = try transCreateNodeBuiltinFnCall(c, "@TypeOf");	4426	const type_of_1 = try transCreateNodeBuiltinFnCall(c, "@TypeOf");
4392	try type_id_1.params.push(&type_of_1.base);	4427	try type_id_1.params.push(&type_of_1.base);
4393	try type_of_1.params.push(node_to_cast);	4428	try type_of_1.params.push(node_to_cast);
4394	type_of_1.rparen_token = try appendToken(c, .LParen, ")");	4429	type_of_1.rparen_token = try appendToken(c, .RParen, ")");
4395	type_id_1.rparen_token = try appendToken(c, .LParen, ")");	4430	type_id_1.rparen_token = try appendToken(c, .RParen, ")");
4396		4431
4397	const cmp_1 = try c.a().create(ast.Node.InfixOp);	4432	const cmp_1 = try c.a().create(ast.Node.InfixOp);
4398	cmp_1.* = .{	4433	cmp_1.* = .{
...	@@ -4402,12 +4437,12 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC	...	@@ -4402,12 +4437,12 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC
4402	.rhs = try transCreateNodeEnumLiteral(c, "Pointer"),	4437	.rhs = try transCreateNodeEnumLiteral(c, "Pointer"),
4403	};	4438	};
4404	if_1.condition = &cmp_1.base;	4439	if_1.condition = &cmp_1.base;
4405	_ = try appendToken(c, .LParen, ")");	4440	_ = try appendToken(c, .RParen, ")");
4406		4441
4407	const ptr_cast = try transCreateNodeBuiltinFnCall(c, "@ptrCast");	4442	const ptr_cast = try transCreateNodeBuiltinFnCall(c, "@ptrCast");
4408	try ptr_cast.params.push(inner_node);	4443	try ptr_cast.params.push(inner_node);
4409	try ptr_cast.params.push(node_to_cast);	4444	try ptr_cast.params.push(node_to_cast);
4410	ptr_cast.rparen_token = try appendToken(c, .LParen, ")");	4445	ptr_cast.rparen_token = try appendToken(c, .RParen, ")");
4411	if_1.body = &ptr_cast.base;	4446	if_1.body = &ptr_cast.base;
4412		4447
4413	const else_1 = try transCreateNodeElse(c);	4448	const else_1 = try transCreateNodeElse(c);
...	@@ -4418,8 +4453,8 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC	...	@@ -4418,8 +4453,8 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC
4418	const type_of_2 = try transCreateNodeBuiltinFnCall(c, "@TypeOf");	4453	const type_of_2 = try transCreateNodeBuiltinFnCall(c, "@TypeOf");
4419	try type_id_2.params.push(&type_of_2.base);	4454	try type_id_2.params.push(&type_of_2.base);
4420	try type_of_2.params.push(node_to_cast);	4455	try type_of_2.params.push(node_to_cast);
4421	type_of_2.rparen_token = try appendToken(c, .LParen, ")");	4456	type_of_2.rparen_token = try appendToken(c, .RParen, ")");
4422	type_id_2.rparen_token = try appendToken(c, .LParen, ")");	4457	type_id_2.rparen_token = try appendToken(c, .RParen, ")");
4423		4458
4424	const cmp_2 = try c.a().create(ast.Node.InfixOp);	4459	const cmp_2 = try c.a().create(ast.Node.InfixOp);
4425	cmp_2.* = .{	4460	cmp_2.* = .{
...	@@ -4430,12 +4465,12 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC	...	@@ -4430,12 +4465,12 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC
4430	};	4465	};
4431	if_2.condition = &cmp_2.base;	4466	if_2.condition = &cmp_2.base;
4432	else_1.body = &if_2.base;	4467	else_1.body = &if_2.base;
4433	_ = try appendToken(c, .LParen, ")");	4468	_ = try appendToken(c, .RParen, ")");
4434		4469
4435	const int_to_ptr = try transCreateNodeBuiltinFnCall(c, "@intToPtr");	4470	const int_to_ptr = try transCreateNodeBuiltinFnCall(c, "@intToPtr");
4436	try int_to_ptr.params.push(inner_node);	4471	try int_to_ptr.params.push(inner_node);
4437	try int_to_ptr.params.push(node_to_cast);	4472	try int_to_ptr.params.push(node_to_cast);
4438	int_to_ptr.rparen_token = try appendToken(c, .LParen, ")");	4473	int_to_ptr.rparen_token = try appendToken(c, .RParen, ")");
4439	if_2.body = &int_to_ptr.base;	4474	if_2.body = &int_to_ptr.base;
4440		4475
4441	const else_2 = try transCreateNodeElse(c);	4476	const else_2 = try transCreateNodeElse(c);
...	@@ -4444,7 +4479,7 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC	...	@@ -4444,7 +4479,7 @@ fn parseCPrimaryExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: ZigC
4444	const as = try transCreateNodeBuiltinFnCall(c, "@as");	4479	const as = try transCreateNodeBuiltinFnCall(c, "@as");
4445	try as.params.push(inner_node);	4480	try as.params.push(inner_node);
4446	try as.params.push(node_to_cast);	4481	try as.params.push(node_to_cast);
4447	as.rparen_token = try appendToken(c, .LParen, ")");	4482	as.rparen_token = try appendToken(c, .RParen, ")");
4448	else_2.body = &as.base;	4483	else_2.body = &as.base;
4449		4484
4450	return &if_1.base;	4485	return &if_1.base;
...	@@ -4524,7 +4559,7 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig	...	@@ -4524,7 +4559,7 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig
4524	},	4559	},
4525	.Shl => {	4560	.Shl => {
4526	const op_token = try appendToken(c, .AngleBracketAngleBracketLeft, "<<");	4561	const op_token = try appendToken(c, .AngleBracketAngleBracketLeft, "<<");
4527	const rhs = try parseCExpr(c, it, source_loc, scope);	4562	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
4528	const bitshift_node = try c.a().create(ast.Node.InfixOp);	4563	const bitshift_node = try c.a().create(ast.Node.InfixOp);
4529	bitshift_node.* = .{	4564	bitshift_node.* = .{
4530	.op_token = op_token,	4565	.op_token = op_token,
...	@@ -4534,9 +4569,21 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig	...	@@ -4534,9 +4569,21 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig
4534	};	4569	};
4535	node = &bitshift_node.base;	4570	node = &bitshift_node.base;
4536	},	4571	},
		4572	.Shr => {
		4573	const op_token = try appendToken(c, .AngleBracketAngleBracketRight, ">>");
		4574	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4575	const bitshift_node = try c.a().create(ast.Node.InfixOp);
		4576	bitshift_node.* = .{
		4577	.op_token = op_token,
		4578	.lhs = node,
		4579	.op = .BitShiftRight,
		4580	.rhs = rhs,
		4581	};
		4582	node = &bitshift_node.base;
		4583	},
4537	.Pipe => {	4584	.Pipe => {
4538	const op_token = try appendToken(c, .Pipe, "\|");	4585	const op_token = try appendToken(c, .Pipe, "\|");
4539	const rhs = try parseCExpr(c, it, source_loc, scope);	4586	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
4540	const or_node = try c.a().create(ast.Node.InfixOp);	4587	const or_node = try c.a().create(ast.Node.InfixOp);
4541	or_node.* = .{	4588	or_node.* = .{
4542	.op_token = op_token,	4589	.op_token = op_token,
...	@@ -4546,9 +4593,117 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig	...	@@ -4546,9 +4593,117 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig
4546	};	4593	};
4547	node = &or_node.base;	4594	node = &or_node.base;
4548	},	4595	},
		4596	.Ampersand => {
		4597	const op_token = try appendToken(c, .Ampersand, "&");
		4598	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4599	const bitand_node = try c.a().create(ast.Node.InfixOp);
		4600	bitand_node.* = .{
		4601	.op_token = op_token,
		4602	.lhs = node,
		4603	.op = .BitAnd,
		4604	.rhs = rhs,
		4605	};
		4606	node = &bitand_node.base;
		4607	},
		4608	.Plus => {
		4609	const op_token = try appendToken(c, .Plus, "+");
		4610	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4611	const add_node = try c.a().create(ast.Node.InfixOp);
		4612	add_node.* = .{
		4613	.op_token = op_token,
		4614	.lhs = node,
		4615	.op = .Add,
		4616	.rhs = rhs,
		4617	};
		4618	node = &add_node.base;
		4619	},
		4620	.Minus => {
		4621	const op_token = try appendToken(c, .Minus, "-");
		4622	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4623	const sub_node = try c.a().create(ast.Node.InfixOp);
		4624	sub_node.* = .{
		4625	.op_token = op_token,
		4626	.lhs = node,
		4627	.op = .Sub,
		4628	.rhs = rhs,
		4629	};
		4630	node = &sub_node.base;
		4631	},
		4632	.And => {
		4633	const op_token = try appendToken(c, .Keyword_and, "and");
		4634	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4635	const and_node = try c.a().create(ast.Node.InfixOp);
		4636	and_node.* = .{
		4637	.op_token = op_token,
		4638	.lhs = node,
		4639	.op = .BoolAnd,
		4640	.rhs = rhs,
		4641	};
		4642	node = &and_node.base;
		4643	},
		4644	.Or => {
		4645	const op_token = try appendToken(c, .Keyword_or, "or");
		4646	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4647	const or_node = try c.a().create(ast.Node.InfixOp);
		4648	or_node.* = .{
		4649	.op_token = op_token,
		4650	.lhs = node,
		4651	.op = .BoolOr,
		4652	.rhs = rhs,
		4653	};
		4654	node = &or_node.base;
		4655	},
		4656	.Gt => {
		4657	const op_token = try appendToken(c, .AngleBracketRight, ">");
		4658	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4659	const and_node = try c.a().create(ast.Node.InfixOp);
		4660	and_node.* = .{
		4661	.op_token = op_token,
		4662	.lhs = node,
		4663	.op = .GreaterThan,
		4664	.rhs = rhs,
		4665	};
		4666	node = &and_node.base;
		4667	},
		4668	.Gte => {
		4669	const op_token = try appendToken(c, .AngleBracketRightEqual, ">=");
		4670	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4671	const and_node = try c.a().create(ast.Node.InfixOp);
		4672	and_node.* = .{
		4673	.op_token = op_token,
		4674	.lhs = node,
		4675	.op = .GreaterOrEqual,
		4676	.rhs = rhs,
		4677	};
		4678	node = &and_node.base;
		4679	},
		4680	.Lt => {
		4681	const op_token = try appendToken(c, .AngleBracketLeft, "<");
		4682	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4683	const and_node = try c.a().create(ast.Node.InfixOp);
		4684	and_node.* = .{
		4685	.op_token = op_token,
		4686	.lhs = node,
		4687	.op = .LessThan,
		4688	.rhs = rhs,
		4689	};
		4690	node = &and_node.base;
		4691	},
		4692	.Lte => {
		4693	const op_token = try appendToken(c, .AngleBracketLeftEqual, "<=");
		4694	const rhs = try parseCPrefixOpExpr(c, it, source_loc, scope);
		4695	const and_node = try c.a().create(ast.Node.InfixOp);
		4696	and_node.* = .{
		4697	.op_token = op_token,
		4698	.lhs = node,
		4699	.op = .LessOrEqual,
		4700	.rhs = rhs,
		4701	};
		4702	node = &and_node.base;
		4703	},
4549	.LBrace => {	4704	.LBrace => {
4550	const arr_node = try transCreateNodeArrayAccess(c, node);	4705	const arr_node = try transCreateNodeArrayAccess(c, node);
4551	arr_node.op.ArrayAccess = try parseCExpr(c, it, source_loc, scope);	4706	arr_node.op.ArrayAccess = try parseCPrefixOpExpr(c, it, source_loc, scope);
4552	arr_node.rtoken = try appendToken(c, .RBrace, "]");	4707	arr_node.rtoken = try appendToken(c, .RBrace, "]");
4553	node = &arr_node.base;	4708	node = &arr_node.base;
4554	if (it.next().?.id != .RBrace) {	4709	if (it.next().?.id != .RBrace) {
...	@@ -4565,7 +4720,7 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig	...	@@ -4565,7 +4720,7 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig
4565	.LParen => {	4720	.LParen => {
4566	const call_node = try transCreateNodeFnCall(c, node);	4721	const call_node = try transCreateNodeFnCall(c, node);
4567	while (true) {	4722	while (true) {
4568	const arg = try parseCExpr(c, it, source_loc, scope);	4723	const arg = try parseCPrefixOpExpr(c, it, source_loc, scope);
4569	try call_node.op.Call.params.push(arg);	4724	try call_node.op.Call.params.push(arg);
4570	const next = it.next().?;	4725	const next = it.next().?;
4571	if (next.id == .Comma)	4726	if (next.id == .Comma)
...	@@ -4586,26 +4741,6 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig	...	@@ -4586,26 +4741,6 @@ fn parseCSuffixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig
4586	call_node.rtoken = try appendToken(c, .RParen, ")");	4741	call_node.rtoken = try appendToken(c, .RParen, ")");
4587	node = &call_node.base;	4742	node = &call_node.base;
4588	},	4743	},
4589	.QuestionMark => {
4590	// must come immediately after expr
4591	_ = try appendToken(c, .RParen, ")");
4592	const if_node = try transCreateNodeIf(c);
4593	if_node.condition = node;
4594	if_node.body = try parseCPrimaryExpr(c, it, source_loc, scope);
4595	if (it.next().?.id != .Colon) {
4596	try failDecl(
4597	c,
4598	source_loc,
4599	it.list.at(0).*.bytes,
4600	"unable to translate C expr: expected ':'",
4601	.{},
4602	);
4603	return error.ParseError;
4604	}
4605	if_node.@"else" = try transCreateNodeElse(c);
4606	if_node.@"else".?.body = try parseCPrimaryExpr(c, it, source_loc, scope);
4607	node = &if_node.base;
4608	},
4609	else => {	4744	else => {
4610	_ = it.prev();	4745	_ = it.prev();
4611	return node;	4746	return node;
...	@@ -4646,7 +4781,11 @@ fn parseCPrefixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig	...	@@ -4646,7 +4781,11 @@ fn parseCPrefixOpExpr(c: Context, it: ctok.TokenList.Iterator, source_loc: Zig
4646		4781
4647	fn tokenSlice(c: *Context, token: ast.TokenIndex) []u8 {	4782	fn tokenSlice(c: *Context, token: ast.TokenIndex) []u8 {
4648	const tok = c.tree.tokens.at(token);	4783	const tok = c.tree.tokens.at(token);
4649	return c.source_buffer.toSlice()[tok.start..tok.end];	4784	const slice = c.source_buffer.toSlice()[tok.start..tok.end];
		4785	return if (mem.startsWith(u8, slice, "@\""))
		4786	slice[2 .. slice.len - 1]
		4787	else
		4788	slice;
4650	}	4789	}
4651		4790
4652	fn getContainer(c: Context, node: ast.Node) ?*ast.Node {	4791	fn getContainer(c: Context, node: ast.Node) ?*ast.Node {

src/c_tokenizer.cpp deleted-840

...	@@ -1,840 +0,0 @@
1	/*
2	* Copyright (c) 2016 Andrew Kelley
3	*
4	* This file is part of zig, which is MIT licensed.
5	* See http://opensource.org/licenses/MIT
6	*/
7
8	#include "c_tokenizer.hpp"
9	#include <inttypes.h>
10
11	#define WHITESPACE_EXCEPT_N \
12	' ': \
13	case '\t': \
14	case '\v': \
15	case '\f'
16
17	#define DIGIT_NON_ZERO \
18	'1': \
19	case '2': \
20	case '3': \
21	case '4': \
22	case '5': \
23	case '6': \
24	case '7': \
25	case '8': \
26	case '9'
27
28	#define DIGIT \
29	'0': \
30	case DIGIT_NON_ZERO
31
32	#define ALPHA \
33	'a': \
34	case 'b': \
35	case 'c': \
36	case 'd': \
37	case 'e': \
38	case 'f': \
39	case 'g': \
40	case 'h': \
41	case 'i': \
42	case 'j': \
43	case 'k': \
44	case 'l': \
45	case 'm': \
46	case 'n': \
47	case 'o': \
48	case 'p': \
49	case 'q': \
50	case 'r': \
51	case 's': \
52	case 't': \
53	case 'u': \
54	case 'v': \
55	case 'w': \
56	case 'x': \
57	case 'y': \
58	case 'z': \
59	case 'A': \
60	case 'B': \
61	case 'C': \
62	case 'D': \
63	case 'E': \
64	case 'F': \
65	case 'G': \
66	case 'H': \
67	case 'I': \
68	case 'J': \
69	case 'K': \
70	case 'L': \
71	case 'M': \
72	case 'N': \
73	case 'O': \
74	case 'P': \
75	case 'Q': \
76	case 'R': \
77	case 'S': \
78	case 'T': \
79	case 'U': \
80	case 'V': \
81	case 'W': \
82	case 'X': \
83	case 'Y': \
84	case 'Z'
85
86	#define IDENT_START \
87	ALPHA: \
88	case '_'
89
90	#define IDENT \
91	IDENT_START: \
92	case DIGIT
93
94	#define LINE_ENDING \
95	'\r': \
96	case '\n'
97
98	static void begin_token(CTokenize *ctok, CTokId id) {
99	assert(ctok->cur_tok == nullptr);
100	ctok->tokens.add_one();
101	ctok->cur_tok = &ctok->tokens.last();
102	ctok->cur_tok->id = id;
103
104	switch (id) {
105	case CTokIdStrLit:
106	memset(&ctok->cur_tok->data.str_lit, 0, sizeof(Buf));
107	buf_resize(&ctok->cur_tok->data.str_lit, 0);
108	break;
109	case CTokIdSymbol:
110	memset(&ctok->cur_tok->data.symbol, 0, sizeof(Buf));
111	buf_resize(&ctok->cur_tok->data.symbol, 0);
112	break;
113	case CTokIdNumLitInt:
114	ctok->cur_tok->data.num_lit_int.x = 0;
115	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixNone;
116	break;
117	case CTokIdCharLit:
118	case CTokIdNumLitFloat:
119	case CTokIdMinus:
120	case CTokIdLParen:
121	case CTokIdRParen:
122	case CTokIdEOF:
123	case CTokIdDot:
124	case CTokIdAsterisk:
125	case CTokIdBang:
126	case CTokIdTilde:
127	case CTokIdShl:
128	case CTokIdLt:
129	break;
130	}
131	}
132
133	static void end_token(CTokenize *ctok) {
134	ctok->cur_tok = nullptr;
135	}
136
137	static void mark_error(CTokenize *ctok) {
138	ctok->error = true;
139	}
140
141	static void add_char(CTokenize *ctok, uint8_t c) {
142	assert(ctok->cur_tok);
143	if (ctok->cur_tok->id == CTokIdCharLit) {
144	ctok->cur_tok->data.char_lit = c;
145	ctok->state = CTokStateExpectEndQuot;
146	} else if (ctok->cur_tok->id == CTokIdStrLit) {
147	buf_append_char(&ctok->cur_tok->data.str_lit, c);
148	ctok->state = CTokStateString;
149	} else {
150	zig_unreachable();
151	}
152	}
153
154	static void hex_digit(CTokenize *ctok, uint8_t value) {
155	// TODO @mul_with_overflow
156	ctok->cur_tok->data.num_lit_int.x *= 16;
157	// TODO @add_with_overflow
158	ctok->cur_tok->data.num_lit_int.x += value;
159
160	static const uint8_t hex_digit[] = "0123456789abcdef";
161	buf_append_char(&ctok->buf, hex_digit[value]);
162	}
163
164	static void end_float(CTokenize *ctok) {
165	// TODO detect errors, overflow, and underflow
166	double value = strtod(buf_ptr(&ctok->buf), nullptr);
167
168	ctok->cur_tok->data.num_lit_float = value;
169
170	end_token(ctok);
171	ctok->state = CTokStateStart;
172
173	}
174
175	void tokenize_c_macro(CTokenize ctok, const uint8_t c) {
176	ctok->tokens.resize(0);
177	ctok->state = CTokStateStart;
178	ctok->error = false;
179	ctok->cur_tok = nullptr;
180
181	buf_resize(&ctok->buf, 0);
182
183	for (; *c; c += 1) {
184	switch (ctok->state) {
185	case CTokStateStart:
186	switch (*c) {
187	case WHITESPACE_EXCEPT_N:
188	break;
189	case '\'':
190	ctok->state = CTokStateExpectChar;
191	begin_token(ctok, CTokIdCharLit);
192	break;
193	case '\"':
194	ctok->state = CTokStateString;
195	begin_token(ctok, CTokIdStrLit);
196	break;
197	case '/':
198	ctok->state = CTokStateOpenComment;
199	break;
200	case '\\':
201	ctok->state = CTokStateBackslash;
202	break;
203	case LINE_ENDING:
204	goto found_end_of_macro;
205	case IDENT_START:
206	ctok->state = CTokStateIdentifier;
207	begin_token(ctok, CTokIdSymbol);
208	buf_append_char(&ctok->cur_tok->data.symbol, *c);
209	break;
210	case DIGIT_NON_ZERO:
211	ctok->state = CTokStateDecimal;
212	begin_token(ctok, CTokIdNumLitInt);
213	ctok->cur_tok->data.num_lit_int.x = *c - '0';
214	buf_resize(&ctok->buf, 0);
215	buf_append_char(&ctok->buf, *c);
216	break;
217	case '0':
218	ctok->state = CTokStateGotZero;
219	begin_token(ctok, CTokIdNumLitInt);
220	ctok->cur_tok->data.num_lit_int.x = 0;
221	buf_resize(&ctok->buf, 0);
222	buf_append_char(&ctok->buf, '0');
223	break;
224	case '.':
225	begin_token(ctok, CTokIdDot);
226	end_token(ctok);
227	break;
228	case '<':
229	begin_token(ctok, CTokIdLt);
230	ctok->state = CTokStateGotLt;
231	break;
232	case '(':
233	begin_token(ctok, CTokIdLParen);
234	end_token(ctok);
235	break;
236	case ')':
237	begin_token(ctok, CTokIdRParen);
238	end_token(ctok);
239	break;
240	case '*':
241	begin_token(ctok, CTokIdAsterisk);
242	end_token(ctok);
243	break;
244	case '-':
245	begin_token(ctok, CTokIdMinus);
246	end_token(ctok);
247	break;
248	case '!':
249	begin_token(ctok, CTokIdBang);
250	end_token(ctok);
251	break;
252	case '~':
253	begin_token(ctok, CTokIdTilde);
254	end_token(ctok);
255	break;
256	default:
257	return mark_error(ctok);
258	}
259	break;
260	case CTokStateGotLt:
261	switch (*c) {
262	case '<':
263	ctok->cur_tok->id = CTokIdShl;
264	end_token(ctok);
265	ctok->state = CTokStateStart;
266	break;
267	default:
268	end_token(ctok);
269	ctok->state = CTokStateStart;
270	continue;
271	}
272	break;
273	case CTokStateFloat:
274	switch (*c) {
275	case '.':
276	break;
277	case 'e':
278	case 'E':
279	buf_append_char(&ctok->buf, 'e');
280	ctok->state = CTokStateExpSign;
281	break;
282	case 'f':
283	case 'F':
284	case 'l':
285	case 'L':
286	end_float(ctok);
287	break;
288	case DIGIT:
289	buf_append_char(&ctok->buf, *c);
290	break;
291	default:
292	c -= 1;
293	end_float(ctok);
294	continue;
295	}
296	break;
297	case CTokStateExpSign:
298	switch (*c) {
299	case '+':
300	case '-':
301	ctok->state = CTokStateFloatExpFirst;
302	buf_append_char(&ctok->buf, *c);
303	break;
304	case DIGIT:
305	ctok->state = CTokStateFloatExp;
306	buf_append_char(&ctok->buf, *c);
307	break;
308	default:
309	return mark_error(ctok);
310	}
311	break;
312	case CTokStateFloatExpFirst:
313	switch (*c) {
314	case DIGIT:
315	buf_append_char(&ctok->buf, *c);
316	ctok->state = CTokStateFloatExp;
317	break;
318	default:
319	return mark_error(ctok);
320	}
321	break;
322	case CTokStateFloatExp:
323	switch (*c) {
324	case DIGIT:
325	buf_append_char(&ctok->buf, *c);
326	break;
327	case 'f':
328	case 'F':
329	case 'l':
330	case 'L':
331	end_float(ctok);
332	break;
333	default:
334	c -= 1;
335	end_float(ctok);
336	continue;
337	}
338	break;
339	case CTokStateDecimal:
340	switch (*c) {
341	case DIGIT:
342	buf_append_char(&ctok->buf, *c);
343
344	// TODO @mul_with_overflow
345	ctok->cur_tok->data.num_lit_int.x *= 10;
346	// TODO @add_with_overflow
347	ctok->cur_tok->data.num_lit_int.x += *c - '0';
348	break;
349	case '\'':
350	break;
351	case 'u':
352	case 'U':
353	ctok->state = CTokStateNumLitIntSuffixU;
354	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixU;
355	break;
356	case 'l':
357	case 'L':
358	ctok->state = CTokStateNumLitIntSuffixL;
359	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixL;
360	break;
361	case '.':
362	buf_append_char(&ctok->buf, '.');
363	ctok->cur_tok->id = CTokIdNumLitFloat;
364	ctok->state = CTokStateFloat;
365	break;
366	default:
367	c -= 1;
368	end_token(ctok);
369	ctok->state = CTokStateStart;
370	continue;
371	}
372	break;
373	case CTokStateGotZero:
374	switch (*c) {
375	case 'x':
376	case 'X':
377	ctok->state = CTokStateHex;
378	break;
379	case '.':
380	ctok->state = CTokStateFloat;
381	ctok->cur_tok->id = CTokIdNumLitFloat;
382	buf_append_char(&ctok->buf, '.');
383	break;
384	case 'l':
385	case 'L':
386	case 'u':
387	case 'U':
388	c -= 1;
389	ctok->state = CTokStateDecimal;
390	continue;
391	default:
392	c -= 1;
393	ctok->state = CTokStateOctal;
394	continue;
395	}
396	break;
397	case CTokStateOctal:
398	switch (*c) {
399	case '0':
400	case '1':
401	case '2':
402	case '3':
403	case '4':
404	case '5':
405	case '6':
406	case '7':
407	// TODO @mul_with_overflow
408	ctok->cur_tok->data.num_lit_int.x *= 8;
409	// TODO @add_with_overflow
410	ctok->cur_tok->data.num_lit_int.x += *c - '0';
411	break;
412	case '8':
413	case '9':
414	return mark_error(ctok);
415	case '\'':
416	break;
417	default:
418	c -= 1;
419	end_token(ctok);
420	ctok->state = CTokStateStart;
421	continue;
422	}
423	break;
424	case CTokStateHex:
425	switch (*c) {
426	case '0':
427	hex_digit(ctok, 0);
428	break;
429	case '1':
430	hex_digit(ctok, 1);
431	break;
432	case '2':
433	hex_digit(ctok, 2);
434	break;
435	case '3':
436	hex_digit(ctok, 3);
437	break;
438	case '4':
439	hex_digit(ctok, 4);
440	break;
441	case '5':
442	hex_digit(ctok, 5);
443	break;
444	case '6':
445	hex_digit(ctok, 6);
446	break;
447	case '7':
448	hex_digit(ctok, 7);
449	break;
450	case '8':
451	hex_digit(ctok, 8);
452	break;
453	case '9':
454	hex_digit(ctok, 9);
455	break;
456	case 'a':
457	case 'A':
458	hex_digit(ctok, 10);
459	break;
460	case 'b':
461	case 'B':
462	hex_digit(ctok, 11);
463	break;
464	case 'c':
465	case 'C':
466	hex_digit(ctok, 12);
467	break;
468	case 'd':
469	case 'D':
470	hex_digit(ctok, 13);
471	break;
472	case 'e':
473	case 'E':
474	hex_digit(ctok, 14);
475	break;
476	case 'f':
477	case 'F':
478	hex_digit(ctok, 15);
479	break;
480	case 'p':
481	case 'P':
482	ctok->cur_tok->id = CTokIdNumLitFloat;
483	ctok->state = CTokStateExpSign;
484	break;
485	case 'u':
486	case 'U':
487	// marks the number literal as unsigned
488	ctok->state = CTokStateNumLitIntSuffixU;
489	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixU;
490	break;
491	case 'l':
492	case 'L':
493	// marks the number literal as long
494	ctok->state = CTokStateNumLitIntSuffixL;
495	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixL;
496	break;
497	default:
498	c -= 1;
499	end_token(ctok);
500	ctok->state = CTokStateStart;
501	continue;
502	}
503	break;
504	case CTokStateNumLitIntSuffixU:
505	switch (*c) {
506	case 'l':
507	case 'L':
508	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixLU;
509	ctok->state = CTokStateNumLitIntSuffixUL;
510	break;
511	default:
512	c -= 1;
513	end_token(ctok);
514	ctok->state = CTokStateStart;
515	continue;
516	}
517	break;
518	case CTokStateNumLitIntSuffixL:
519	switch (*c) {
520	case 'l':
521	case 'L':
522	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixLL;
523	ctok->state = CTokStateNumLitIntSuffixLL;
524	break;
525	case 'u':
526	case 'U':
527	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixLU;
528	end_token(ctok);
529	ctok->state = CTokStateStart;
530	break;
531	default:
532	c -= 1;
533	end_token(ctok);
534	ctok->state = CTokStateStart;
535	continue;
536	}
537	break;
538	case CTokStateNumLitIntSuffixLL:
539	switch (*c) {
540	case 'u':
541	case 'U':
542	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixLLU;
543	end_token(ctok);
544	ctok->state = CTokStateStart;
545	break;
546	default:
547	c -= 1;
548	end_token(ctok);
549	ctok->state = CTokStateStart;
550	continue;
551	}
552	break;
553	case CTokStateNumLitIntSuffixUL:
554	switch (*c) {
555	case 'l':
556	case 'L':
557	ctok->cur_tok->data.num_lit_int.suffix = CNumLitSuffixLLU;
558	end_token(ctok);
559	ctok->state = CTokStateStart;
560	break;
561	default:
562	c -= 1;
563	end_token(ctok);
564	ctok->state = CTokStateStart;
565	continue;
566	}
567	break;
568	case CTokStateIdentifier:
569	switch (*c) {
570	case IDENT:
571	buf_append_char(&ctok->cur_tok->data.symbol, *c);
572	break;
573	default:
574	c -= 1;
575	end_token(ctok);
576	ctok->state = CTokStateStart;
577	continue;
578	}
579	break;
580	case CTokStateString:
581	switch (*c) {
582	case '\\':
583	ctok->state = CTokStateCharEscape;
584	break;
585	case '\"':
586	end_token(ctok);
587	ctok->state = CTokStateStart;
588	break;
589	default:
590	buf_append_char(&ctok->cur_tok->data.str_lit, *c);
591	}
592	break;
593	case CTokStateExpectChar:
594	switch (*c) {
595	case '\\':
596	ctok->state = CTokStateCharEscape;
597	break;
598	case '\'':
599	return mark_error(ctok);
600	default:
601	ctok->cur_tok->data.char_lit = *c;
602	ctok->state = CTokStateExpectEndQuot;
603	}
604	break;
605	case CTokStateCharEscape:
606	switch (*c) {
607	case '\'':
608	case '"':
609	case '?':
610	case '\\':
611	add_char(ctok, *c);
612	break;
613	case 'a':
614	add_char(ctok, '\a');
615	break;
616	case 'b':
617	add_char(ctok, '\b');
618	break;
619	case 'f':
620	add_char(ctok, '\f');
621	break;
622	case 'n':
623	add_char(ctok, '\n');
624	break;
625	case 'r':
626	add_char(ctok, '\r');
627	break;
628	case 't':
629	add_char(ctok, '\t');
630	break;
631	case 'v':
632	add_char(ctok, '\v');
633	break;
634	case '0':
635	case '1':
636	case '2':
637	case '3':
638	case '4':
639	case '5':
640	case '6':
641	case '7':
642	ctok->state = CTokStateStrOctal;
643	ctok->cur_char = (uint8_t)(*c - '0');
644	ctok->octal_index = 1;
645	break;
646	case 'x':
647	ctok->state = CTokStateStrHex;
648	ctok->cur_char = 0;
649	break;
650	case 'u':
651	zig_panic("TODO unicode");
652	break;
653	case 'U':
654	zig_panic("TODO Unicode");
655	break;
656	default:
657	return mark_error(ctok);
658	}
659	break;
660	case CTokStateStrHex: {
661	uint8_t value = 0;
662	switch (*c) {
663	case '0':
664	case '1':
665	case '2':
666	case '3':
667	case '4':
668	case '5':
669	case '6':
670	case '7':
671	case '8':
672	case '9':
673	value = *c - '0';
674	break;
675	case 'a':
676	case 'b':
677	case 'c':
678	case 'd':
679	case 'e':
680	case 'f':
681	value = (*c - 'a') + 10;
682	break;
683	case 'A':
684	case 'B':
685	case 'C':
686	case 'D':
687	case 'E':
688	case 'F':
689	value = (*c - 'A') + 10;
690	break;
691	default:
692	c -= 1;
693	add_char(ctok, ctok->cur_char);
694	continue;
695	}
696	// TODO @mul_with_overflow
697	if (((long)ctok->cur_char) * 16 >= 256) {
698	zig_panic("TODO str hex mul overflow");
699	}
700	ctok->cur_char = (uint8_t)(ctok->cur_char * (uint8_t)16);
701	// TODO @add_with_overflow
702	if (((long)ctok->cur_char) + (long)(value) >= 256) {
703	zig_panic("TODO str hex add overflow");
704	}
705	ctok->cur_char = (uint8_t)(ctok->cur_char + value);
706	break;
707	}
708	case CTokStateStrOctal:
709	switch (*c) {
710	case '0':
711	case '1':
712	case '2':
713	case '3':
714	case '4':
715	case '5':
716	case '6':
717	case '7':
718	// TODO @mul_with_overflow
719	if (((long)ctok->cur_char) * 8 >= 256) {
720	zig_panic("TODO");
721	}
722	ctok->cur_char = (uint8_t)(ctok->cur_char * (uint8_t)8);
723	// TODO @add_with_overflow
724	if (((long)ctok->cur_char) + (long)(*c - '0') >= 256) {
725	zig_panic("TODO");
726	}
727	ctok->cur_char = (uint8_t)(ctok->cur_char + (uint8_t)(*c - '0'));
728	ctok->octal_index += 1;
729	if (ctok->octal_index == 3) {
730	add_char(ctok, ctok->cur_char);
731	}
732	break;
733	default:
734	c -= 1;
735	add_char(ctok, ctok->cur_char);
736	continue;
737	}
738	break;
739	case CTokStateExpectEndQuot:
740	switch (*c) {
741	case '\'':
742	end_token(ctok);
743	ctok->state = CTokStateStart;
744	break;
745	default:
746	return mark_error(ctok);
747	}
748	break;
749	case CTokStateOpenComment:
750	switch (*c) {
751	case '/':
752	ctok->state = CTokStateLineComment;
753	break;
754	case '*':
755	ctok->state = CTokStateComment;
756	break;
757	default:
758	return mark_error(ctok);
759	}
760	break;
761	case CTokStateLineComment:
762	if (*c == '\n') {
763	ctok->state = CTokStateStart;
764	goto found_end_of_macro;
765	}
766	break;
767	case CTokStateComment:
768	switch (*c) {
769	case '*':
770	ctok->state = CTokStateCommentStar;
771	break;
772	default:
773	break;
774	}
775	break;
776	case CTokStateCommentStar:
777	switch (*c) {
778	case '/':
779	ctok->state = CTokStateStart;
780	break;
781	case '*':
782	break;
783	default:
784	ctok->state = CTokStateComment;
785	break;
786	}
787	break;
788	case CTokStateBackslash:
789	switch (*c) {
790	case '\n':
791	ctok->state = CTokStateStart;
792	break;
793	default:
794	return mark_error(ctok);
795	}
796	break;
797	}
798	}
799	found_end_of_macro:
800
801	switch (ctok->state) {
802	case CTokStateStart:
803	break;
804	case CTokStateIdentifier:
805	case CTokStateDecimal:
806	case CTokStateHex:
807	case CTokStateOctal:
808	case CTokStateGotZero:
809	case CTokStateNumLitIntSuffixU:
810	case CTokStateNumLitIntSuffixL:
811	case CTokStateNumLitIntSuffixUL:
812	case CTokStateNumLitIntSuffixLL:
813	case CTokStateGotLt:
814	end_token(ctok);
815	break;
816	case CTokStateFloat:
817	case CTokStateFloatExp:
818	end_float(ctok);
819	break;
820	case CTokStateExpectChar:
821	case CTokStateExpectEndQuot:
822	case CTokStateOpenComment:
823	case CTokStateLineComment:
824	case CTokStateComment:
825	case CTokStateCommentStar:
826	case CTokStateCharEscape:
827	case CTokStateBackslash:
828	case CTokStateString:
829	case CTokStateExpSign:
830	case CTokStateFloatExpFirst:
831	case CTokStateStrHex:
832	case CTokStateStrOctal:
833	return mark_error(ctok);
834	}
835
836	assert(ctok->cur_tok == nullptr);
837
838	begin_token(ctok, CTokIdEOF);
839	end_token(ctok);
840	}

src/c_tokenizer.hpp deleted-98

...	@@ -1,98 +0,0 @@
1	/*
2	* Copyright (c) 2016 Andrew Kelley
3	*
4	* This file is part of zig, which is MIT licensed.
5	* See http://opensource.org/licenses/MIT
6	*/
7
8
9	#ifndef ZIG_C_TOKENIZER_HPP
10	#define ZIG_C_TOKENIZER_HPP
11
12	#include "buffer.hpp"
13
14	enum CTokId {
15	CTokIdCharLit,
16	CTokIdStrLit,
17	CTokIdNumLitInt,
18	CTokIdNumLitFloat,
19	CTokIdSymbol,
20	CTokIdMinus,
21	CTokIdLParen,
22	CTokIdRParen,
23	CTokIdEOF,
24	CTokIdDot,
25	CTokIdAsterisk,
26	CTokIdBang,
27	CTokIdTilde,
28	CTokIdShl,
29	CTokIdLt,
30	};
31
32	enum CNumLitSuffix {
33	CNumLitSuffixNone,
34	CNumLitSuffixL,
35	CNumLitSuffixU,
36	CNumLitSuffixLU,
37	CNumLitSuffixLL,
38	CNumLitSuffixLLU,
39	};
40
41	struct CNumLitInt {
42	uint64_t x;
43	CNumLitSuffix suffix;
44	};
45
46	struct CTok {
47	enum CTokId id;
48	union {
49	uint8_t char_lit;
50	Buf str_lit;
51	CNumLitInt num_lit_int;
52	double num_lit_float;
53	Buf symbol;
54	} data;
55	};
56
57	enum CTokState {
58	CTokStateStart,
59	CTokStateExpectChar,
60	CTokStateCharEscape,
61	CTokStateExpectEndQuot,
62	CTokStateOpenComment,
63	CTokStateLineComment,
64	CTokStateComment,
65	CTokStateCommentStar,
66	CTokStateBackslash,
67	CTokStateString,
68	CTokStateIdentifier,
69	CTokStateDecimal,
70	CTokStateOctal,
71	CTokStateGotZero,
72	CTokStateHex,
73	CTokStateFloat,
74	CTokStateExpSign,
75	CTokStateFloatExp,
76	CTokStateFloatExpFirst,
77	CTokStateStrHex,
78	CTokStateStrOctal,
79	CTokStateNumLitIntSuffixU,
80	CTokStateNumLitIntSuffixL,
81	CTokStateNumLitIntSuffixLL,
82	CTokStateNumLitIntSuffixUL,
83	CTokStateGotLt,
84	};
85
86	struct CTokenize {
87	ZigList<CTok> tokens;
88	CTokState state;
89	bool error;
90	CTok *cur_tok;
91	Buf buf;
92	uint8_t cur_char;
93	int octal_index;
94	};
95
96	void tokenize_c_macro(CTokenize ctok, const uint8_t c);
97
98	#endif

src/codegen.cpp+4-20

...	@@ -15,7 +15,6 @@	...	@@ -15,7 +15,6 @@
15	#include "hash_map.hpp"	15	#include "hash_map.hpp"
16	#include "ir.hpp"	16	#include "ir.hpp"
17	#include "os.hpp"	17	#include "os.hpp"
18	#include "translate_c.hpp"
19	#include "target.hpp"	18	#include "target.hpp"
20	#include "util.hpp"	19	#include "util.hpp"
21	#include "zig_llvm.h"	20	#include "zig_llvm.h"
...	@@ -9104,7 +9103,7 @@ void add_cc_args(CodeGen g, ZigList<const char > &args, const char *out_dep_pa	...	@@ -9104,7 +9103,7 @@ void add_cc_args(CodeGen g, ZigList<const char > &args, const char *out_dep_pa
9104		9103
9105	}	9104	}
9106		9105
9107	void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_userland_implementation) {	9106	void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file) {
9108	Error err;	9107	Error err;
9109	Buf *src_basename = buf_alloc();	9108	Buf *src_basename = buf_alloc();
9110	Buf *src_dirname = buf_alloc();	9109	Buf *src_dirname = buf_alloc();
...	@@ -9117,10 +9116,6 @@ void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_us	...	@@ -9117,10 +9116,6 @@ void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_us
9117		9116
9118	init(g);	9117	init(g);
9119		9118
9120	TranslateMode trans_mode = buf_ends_with_str(full_path, ".h") ?
9121	TranslateModeImport : TranslateModeTranslate;
9122
9123
9124	ZigList<const char *> clang_argv = {0};	9119	ZigList<const char *> clang_argv = {0};
9125	add_cc_args(g, clang_argv, nullptr, true);	9120	add_cc_args(g, clang_argv, nullptr, true);
9126		9121
...	@@ -9140,15 +9135,9 @@ void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_us	...	@@ -9140,15 +9135,9 @@ void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_us
9140	Stage2ErrorMsg *errors_ptr;	9135	Stage2ErrorMsg *errors_ptr;
9141	size_t errors_len;	9136	size_t errors_len;
9142	Stage2Ast *ast;	9137	Stage2Ast *ast;
9143	AstNode *root_node;
9144		9138
9145	if (use_userland_implementation) {	9139	err = stage2_translate_c(&ast, &errors_ptr, &errors_len,
9146	err = stage2_translate_c(&ast, &errors_ptr, &errors_len,	9140	&clang_argv.at(0), &clang_argv.last(), resources_path);
9147	&clang_argv.at(0), &clang_argv.last(), resources_path);
9148	} else {
9149	err = parse_h_file(g, &root_node, &errors_ptr, &errors_len, &clang_argv.at(0), &clang_argv.last(),
9150	trans_mode, resources_path);
9151	}
9152		9141
9153	if (err == ErrorCCompileErrors && errors_len > 0) {	9142	if (err == ErrorCCompileErrors && errors_len > 0) {
9154	for (size_t i = 0; i < errors_len; i += 1) {	9143	for (size_t i = 0; i < errors_len; i += 1) {
...	@@ -9172,12 +9161,7 @@ void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_us	...	@@ -9172,12 +9161,7 @@ void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_us
9172	exit(1);	9161	exit(1);
9173	}	9162	}
9174		9163
9175		9164	stage2_render_ast(ast, out_file);
9176	if (use_userland_implementation) {
9177	stage2_render_ast(ast, out_file);
9178	} else {
9179	ast_render(out_file, root_node, 4);
9180	}
9181	}	9165	}
9182		9166
9183	static void update_test_functions_builtin_decl(CodeGen *g) {	9167	static void update_test_functions_builtin_decl(CodeGen *g) {

src/codegen.hpp+1-1

...	@@ -54,7 +54,7 @@ ZigPackage codegen_create_package(CodeGen g, const char *root_src_dir, const c	...	@@ -54,7 +54,7 @@ ZigPackage codegen_create_package(CodeGen g, const char *root_src_dir, const c
54	void codegen_add_assembly(CodeGen g, Buf path);	54	void codegen_add_assembly(CodeGen g, Buf path);
55	void codegen_add_object(CodeGen g, Buf object_path);	55	void codegen_add_object(CodeGen g, Buf object_path);
56		56
57	void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file, bool use_userland_implementation);	57	void codegen_translate_c(CodeGen g, Buf full_path, FILE *out_file);
58		58
59	Buf codegen_generate_builtin_source(CodeGen g);	59	Buf codegen_generate_builtin_source(CodeGen g);
60		60

src/ir.cpp+4-5

 @@ -13,7 +13,6 @@
 #include "os.hpp"
 #include "range_set.hpp"
 #include "softfloat.hpp"
-#include "translate_c.hpp"
 #include "util.hpp"
 #include <errno.h>
 @@ -23758,14 +23757,14 @@ static IrInstruction *ir_analyze_instruction_c_import(IrAnalyze *ira, IrInstruct
         clang_argv.append(nullptr); // to make the [start...end] argument work
-        AstNode *root_node;
         Stage2ErrorMsg *errors_ptr;
         size_t errors_len;
+        Stage2Ast *ast;
         const char *resources_path = buf_ptr(ira->codegen->zig_c_headers_dir);
-        if ((err = parse_h_file(ira->codegen, &root_node, &errors_ptr, &errors_len,
+        if ((err = stage2_translate_c(&ast, &errors_ptr, &errors_len,
-            &clang_argv.at(0), &clang_argv.last(), TranslateModeImport, resources_path)))
+                    &clang_argv.at(0), &clang_argv.last(), resources_path)))
         {
             if (err != ErrorCCompileErrors) {
                 ir_add_error_node(ira, node, buf_sprintf("C import failed: %s", err_str(err)));
 @@ -23816,7 +23815,7 @@ static IrInstruction *ir_analyze_instruction_c_import(IrAnalyze *ira, IrInstruct
                     buf_sprintf("C import failed: unable to open output file: %s", strerror(errno)));
             return ira->codegen->invalid_instruction;
         }
-        ast_render(out_file, root_node, 4);
+        stage2_render_ast(ast, out_file);
         if (fclose(out_file) != 0) {
             ir_add_error_node(ira, node,
                     buf_sprintf("C import failed: unable to write to output file: %s", strerror(errno)));

src/main.cpp+5-11

...	@@ -243,7 +243,6 @@ enum Cmd {	...	@@ -243,7 +243,6 @@ enum Cmd {
243	CmdTargets,	243	CmdTargets,
244	CmdTest,	244	CmdTest,
245	CmdTranslateC,	245	CmdTranslateC,
246	CmdTranslateCUserland,
247	CmdVersion,	246	CmdVersion,
248	CmdZen,	247	CmdZen,
249	CmdLibC,	248	CmdLibC,
...	@@ -960,8 +959,6 @@ int main(int argc, char **argv) {	...	@@ -960,8 +959,6 @@ int main(int argc, char **argv) {
960	cmd = CmdLibC;	959	cmd = CmdLibC;
961	} else if (strcmp(arg, "translate-c") == 0) {	960	} else if (strcmp(arg, "translate-c") == 0) {
962	cmd = CmdTranslateC;	961	cmd = CmdTranslateC;
963	} else if (strcmp(arg, "translate-c-2") == 0) {
964	cmd = CmdTranslateCUserland;
965	} else if (strcmp(arg, "test") == 0) {	962	} else if (strcmp(arg, "test") == 0) {
966	cmd = CmdTest;	963	cmd = CmdTest;
967	out_type = OutTypeExe;	964	out_type = OutTypeExe;
...	@@ -978,7 +975,6 @@ int main(int argc, char **argv) {	...	@@ -978,7 +975,6 @@ int main(int argc, char **argv) {
978	case CmdBuild:	975	case CmdBuild:
979	case CmdRun:	976	case CmdRun:
980	case CmdTranslateC:	977	case CmdTranslateC:
981	case CmdTranslateCUserland:
982	case CmdTest:	978	case CmdTest:
983	case CmdLibC:	979	case CmdLibC:
984	if (!in_file) {	980	if (!in_file) {
...	@@ -1112,7 +1108,6 @@ int main(int argc, char **argv) {	...	@@ -1112,7 +1108,6 @@ int main(int argc, char **argv) {
1112	case CmdRun:	1108	case CmdRun:
1113	case CmdBuild:	1109	case CmdBuild:
1114	case CmdTranslateC:	1110	case CmdTranslateC:
1115	case CmdTranslateCUserland:
1116	case CmdTest:	1111	case CmdTest:
1117	{	1112	{
1118	if (cmd == CmdBuild && !in_file && objects.length == 0 &&	1113	if (cmd == CmdBuild && !in_file && objects.length == 0 &&
...	@@ -1124,7 +1119,7 @@ int main(int argc, char **argv) {	...	@@ -1124,7 +1119,7 @@ int main(int argc, char **argv) {
1124	" * --object argument\n"	1119	" * --object argument\n"
1125	" * --c-source argument\n");	1120	" * --c-source argument\n");
1126	return print_error_usage(arg0);	1121	return print_error_usage(arg0);
1127	} else if ((cmd == CmdTranslateC \|\| cmd == CmdTranslateCUserland \|\|	1122	} else if ((cmd == CmdTranslateC \|\|
1128	cmd == CmdTest \|\| cmd == CmdRun) && !in_file)	1123	cmd == CmdTest \|\| cmd == CmdRun) && !in_file)
1129	{	1124	{
1130	fprintf(stderr, "Expected source file argument.\n");	1125	fprintf(stderr, "Expected source file argument.\n");
...	@@ -1136,7 +1131,7 @@ int main(int argc, char **argv) {	...	@@ -1136,7 +1131,7 @@ int main(int argc, char **argv) {
1136		1131
1137	assert(cmd != CmdBuild \|\| out_type != OutTypeUnknown);	1132	assert(cmd != CmdBuild \|\| out_type != OutTypeUnknown);
1138		1133
1139	bool need_name = (cmd == CmdBuild \|\| cmd == CmdTranslateC \|\| cmd == CmdTranslateCUserland);	1134	bool need_name = (cmd == CmdBuild \|\| cmd == CmdTranslateC);
1140		1135
1141	if (cmd == CmdRun) {	1136	if (cmd == CmdRun) {
1142	out_name = "run";	1137	out_name = "run";
...	@@ -1170,8 +1165,7 @@ int main(int argc, char **argv) {	...	@@ -1170,8 +1165,7 @@ int main(int argc, char **argv) {
1170	return print_error_usage(arg0);	1165	return print_error_usage(arg0);
1171	}	1166	}
1172		1167
1173	Buf *zig_root_source_file = (cmd == CmdTranslateC \|\| cmd == CmdTranslateCUserland) ?	1168	Buf *zig_root_source_file = cmd == CmdTranslateC ? nullptr : in_file_buf;
1174	nullptr : in_file_buf;
1175		1169
1176	if (cmd == CmdRun && buf_out_name == nullptr) {	1170	if (cmd == CmdRun && buf_out_name == nullptr) {
1177	buf_out_name = buf_create_from_str("run");	1171	buf_out_name = buf_create_from_str("run");
...	@@ -1336,8 +1330,8 @@ int main(int argc, char **argv) {	...	@@ -1336,8 +1330,8 @@ int main(int argc, char **argv) {
1336	} else {	1330	} else {
1337	zig_unreachable();	1331	zig_unreachable();
1338	}	1332	}
1339	} else if (cmd == CmdTranslateC \|\| cmd == CmdTranslateCUserland) {	1333	} else if (cmd == CmdTranslateC) {
1340	codegen_translate_c(g, in_file_buf, stdout, cmd == CmdTranslateCUserland);	1334	codegen_translate_c(g, in_file_buf, stdout);
1341	if (timing_info)	1335	if (timing_info)
1342	codegen_print_timing_report(g, stderr);	1336	codegen_print_timing_report(g, stderr);
1343	return main_exit(root_progress_node, EXIT_SUCCESS);	1337	return main_exit(root_progress_node, EXIT_SUCCESS);

src/translate_c.cpp deleted-5156

...	@@ -1,5156 +0,0 @@
1	/*
2	* Copyright (c) 2015 Andrew Kelley
3	*
4	* This file is part of zig, which is MIT licensed.
5	* See http://opensource.org/licenses/MIT
6	*/
7	#include "all_types.hpp"
8	#include "analyze.hpp"
9	#include "c_tokenizer.hpp"
10	#include "error.hpp"
11	#include "ir.hpp"
12	#include "os.hpp"
13	#include "translate_c.hpp"
14	#include "parser.hpp"
15	#include "zig_clang.h"
16
17	#include <string.h>
18
19	struct Alias {
20	Buf *new_name;
21	Buf *canon_name;
22	};
23
24	enum TransScopeId {
25	TransScopeIdSwitch,
26	TransScopeIdVar,
27	TransScopeIdBlock,
28	TransScopeIdRoot,
29	TransScopeIdWhile,
30	};
31
32	struct TransScope {
33	TransScopeId id;
34	TransScope *parent;
35	};
36
37	struct TransScopeSwitch {
38	TransScope base;
39	AstNode *switch_node;
40	uint32_t case_index;
41	bool found_default;
42	Buf *end_label_name;
43	};
44
45	struct TransScopeVar {
46	TransScope base;
47	Buf *c_name;
48	Buf *zig_name;
49	};
50
51	struct TransScopeBlock {
52	TransScope base;
53	AstNode *node;
54	};
55
56	struct TransScopeRoot {
57	TransScope base;
58	};
59
60	struct TransScopeWhile {
61	TransScope base;
62	AstNode *node;
63	};
64
65	struct Context {
66	AstNode *root;
67	bool want_export;
68	HashMap<const void , AstNode , ptr_hash, ptr_eq> decl_table;
69	HashMap<Buf , AstNode , buf_hash, buf_eql_buf> macro_table;
70	HashMap<Buf , AstNode , buf_hash, buf_eql_buf> global_table;
71	ZigClangSourceManager *source_manager;
72	ZigList<Alias> aliases;
73	bool warnings_on;
74
75	CodeGen *codegen;
76	ZigClangASTContext *ctx;
77
78	TransScopeRoot *global_scope;
79	HashMap<Buf *, bool, buf_hash, buf_eql_buf> ptr_params;
80	};
81
82	enum ResultUsed {
83	ResultUsedNo,
84	ResultUsedYes,
85	};
86
87	enum TransLRValue {
88	TransLValue,
89	TransRValue,
90	};
91
92	static TransScopeRoot trans_scope_root_create(Context c);
93	static TransScopeWhile trans_scope_while_create(Context c, TransScope *parent_scope);
94	static TransScopeBlock trans_scope_block_create(Context c, TransScope *parent_scope);
95	static TransScopeVar trans_scope_var_create(Context c, TransScope parent_scope, Buf wanted_name);
96	static TransScopeSwitch trans_scope_switch_create(Context c, TransScope *parent_scope);
97
98	static TransScopeBlock trans_scope_block_find(TransScope scope);
99
100	static AstNode resolve_record_decl(Context c, const ZigClangRecordDecl *record_decl);
101	static AstNode resolve_enum_decl(Context c, const ZigClangEnumDecl *enum_decl);
102	static AstNode resolve_typedef_decl(Context c, const ZigClangTypedefNameDecl *typedef_decl);
103
104	static int trans_stmt_extra(Context c, TransScope scope, const ZigClangStmt *stmt,
105	ResultUsed result_used, TransLRValue lrval,
106	AstNode out_node, TransScope out_child_scope,
107	TransScope **out_node_scope);
108	static TransScope trans_stmt(Context c, TransScope scope, const ZigClangStmt stmt, AstNode **out_node);
109	static AstNode trans_expr(Context c, ResultUsed result_used, TransScope scope, const ZigClangExpr expr, TransLRValue lrval);
110	static AstNode trans_type(Context c, const ZigClangType *ty, ZigClangSourceLocation source_loc);
111	static AstNode trans_qual_type(Context c, ZigClangQualType qt, ZigClangSourceLocation source_loc);
112	static AstNode trans_bool_expr(Context c, ResultUsed result_used, TransScope *scope,
113	const ZigClangExpr *expr, TransLRValue lrval);
114	static AstNode trans_ap_value(Context c, const ZigClangAPValue *ap_value, ZigClangQualType qt,
115	ZigClangSourceLocation source_loc);
116	static bool c_is_unsigned_integer(Context *c, ZigClangQualType qt);
117
118
119	ATTRIBUTE_PRINTF(3, 4)
120	static void emit_warning(Context c, ZigClangSourceLocation sl, const char format, ...) {
121	if (!c->warnings_on) {
122	return;
123	}
124
125	va_list ap;
126	va_start(ap, format);
127	Buf *msg = buf_vprintf(format, ap);
128	va_end(ap);
129
130	const char *filename_bytes = ZigClangSourceManager_getFilename(c->source_manager,
131	ZigClangSourceManager_getSpellingLoc(c->source_manager, sl));
132	Buf *path;
133	if (filename_bytes) {
134	path = buf_create_from_str(filename_bytes);
135	} else {
136	path = buf_sprintf("(no file)");
137	}
138	unsigned line = ZigClangSourceManager_getSpellingLineNumber(c->source_manager, sl);
139	unsigned column = ZigClangSourceManager_getSpellingColumnNumber(c->source_manager, sl);
140	fprintf(stderr, "%s:%u:%u: warning: %s\n", buf_ptr(path), line, column, buf_ptr(msg));
141	}
142
143	static void add_global_weak_alias(Context c, Buf new_name, Buf *canon_name) {
144	Alias *alias = c->aliases.add_one();
145	alias->new_name = new_name;
146	alias->canon_name = canon_name;
147	}
148
149	static Buf trans_lookup_zig_symbol(Context c, TransScope scope, Buf c_symbol_name) {
150	while (scope != nullptr) {
151	if (scope->id == TransScopeIdVar) {
152	TransScopeVar var_scope = (TransScopeVar )scope;
153	if (buf_eql_buf(var_scope->c_name, c_symbol_name)) {
154	return var_scope->zig_name;
155	}
156	}
157	scope = scope->parent;
158	}
159	return c_symbol_name;
160	}
161
162	static AstNode * trans_create_node(Context *c, NodeType id) {
163	AstNode *node = allocate<AstNode>(1);
164	node->type = id;
165	// TODO line/column. mapping to C file??
166	return node;
167	}
168
169	static AstNode trans_create_node_break(Context c, Buf label_name, AstNode value_node) {
170	AstNode *node = trans_create_node(c, NodeTypeBreak);
171	node->data.break_expr.name = label_name;
172	node->data.break_expr.expr = value_node;
173	return node;
174	}
175
176	static AstNode trans_create_node_return(Context c, AstNode *value_node) {
177	AstNode *node = trans_create_node(c, NodeTypeReturnExpr);
178	node->data.return_expr.kind = ReturnKindUnconditional;
179	node->data.return_expr.expr = value_node;
180	return node;
181	}
182
183	static AstNode trans_create_node_if(Context c, AstNode cond_node, AstNode then_node, AstNode *else_node) {
184	AstNode *node = trans_create_node(c, NodeTypeIfBoolExpr);
185	node->data.if_bool_expr.condition = cond_node;
186	node->data.if_bool_expr.then_block = then_node;
187	node->data.if_bool_expr.else_node = else_node;
188	return node;
189	}
190
191	static AstNode trans_create_node_float_lit(Context c, double value) {
192	AstNode *node = trans_create_node(c, NodeTypeFloatLiteral);
193	node->data.float_literal.bigfloat = allocate<BigFloat>(1);
194	bigfloat_init_64(node->data.float_literal.bigfloat, value);
195	return node;
196	}
197
198	static AstNode trans_create_node_symbol(Context c, Buf *name) {
199	AstNode *node = trans_create_node(c, NodeTypeSymbol);
200	node->data.symbol_expr.symbol = name;
201	return node;
202	}
203
204	static AstNode trans_create_node_symbol_str(Context c, const char *name) {
205	return trans_create_node_symbol(c, buf_create_from_str(name));
206	}
207
208	static AstNode trans_create_node_builtin_fn_call(Context c, Buf *name) {
209	AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
210	node->data.fn_call_expr.fn_ref_expr = trans_create_node_symbol(c, name);
211	node->data.fn_call_expr.modifier = CallModifierBuiltin;
212	return node;
213	}
214
215	static AstNode trans_create_node_builtin_fn_call_str(Context c, const char *name) {
216	return trans_create_node_builtin_fn_call(c, buf_create_from_str(name));
217	}
218
219	static AstNode trans_create_node_opaque(Context c) {
220	return trans_create_node_builtin_fn_call_str(c, "OpaqueType");
221	}
222
223	static AstNode trans_create_node_cast(Context c, AstNode dest_type, AstNode operand) {
224	AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
225	node->data.fn_call_expr.fn_ref_expr = trans_create_node_symbol(c, buf_create_from_str("as"));
226	node->data.fn_call_expr.modifier = CallModifierBuiltin;
227	node->data.fn_call_expr.params.append(dest_type);
228	node->data.fn_call_expr.params.append(operand);
229	return node;
230	}
231
232	static AstNode trans_create_node_fn_call_1(Context c, AstNode fn_ref_expr, AstNode arg1) {
233	AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
234	node->data.fn_call_expr.fn_ref_expr = fn_ref_expr;
235	node->data.fn_call_expr.params.append(arg1);
236	return node;
237	}
238
239	static AstNode trans_create_node_field_access(Context c, AstNode container, Buf field_name) {
240	AstNode *node = trans_create_node(c, NodeTypeFieldAccessExpr);
241	if (container->type == NodeTypeSymbol) {
242	assert(container->data.symbol_expr.symbol != nullptr);
243	}
244	node->data.field_access_expr.struct_expr = container;
245	node->data.field_access_expr.field_name = field_name;
246	return node;
247	}
248
249	static AstNode trans_create_node_field_access_str(Context c, AstNode container, const char field_name) {
250	return trans_create_node_field_access(c, container, buf_create_from_str(field_name));
251	}
252
253	static AstNode trans_create_node_ptr_deref(Context c, AstNode *child_node) {
254	AstNode *node = trans_create_node(c, NodeTypePtrDeref);
255	node->data.ptr_deref_expr.target = child_node;
256	return node;
257	}
258
259	static AstNode trans_create_node_prefix_op(Context c, PrefixOp op, AstNode *child_node) {
260	AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr);
261	node->data.prefix_op_expr.prefix_op = op;
262	node->data.prefix_op_expr.primary_expr = child_node;
263	return node;
264	}
265
266	static AstNode trans_create_node_unwrap_null(Context c, AstNode *child_node) {
267	AstNode *node = trans_create_node(c, NodeTypeUnwrapOptional);
268	node->data.unwrap_optional.expr = child_node;
269	return node;
270	}
271
272	static AstNode trans_create_node_bin_op(Context c, AstNode lhs_node, BinOpType op, AstNode rhs_node) {
273	AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
274	node->data.bin_op_expr.op1 = lhs_node;
275	node->data.bin_op_expr.bin_op = op;
276	node->data.bin_op_expr.op2 = rhs_node;
277	return node;
278	}
279
280	static AstNode maybe_suppress_result(Context c, ResultUsed result_used, AstNode *node) {
281	if (result_used == ResultUsedYes) return node;
282	return trans_create_node_bin_op(c,
283	trans_create_node_symbol_str(c, "_"),
284	BinOpTypeAssign,
285	node);
286	}
287
288	static TokenId ptr_len_to_token_id(PtrLen ptr_len) {
289	switch (ptr_len) {
290	case PtrLenSingle:
291	return TokenIdStar;
292	case PtrLenUnknown:
293	return TokenIdLBracket;
294	case PtrLenC:
295	return TokenIdSymbol;
296	}
297	zig_unreachable();
298	}
299
300	static AstNode trans_create_node_ptr_type(Context c, bool is_const, bool is_volatile, AstNode *child_node, PtrLen ptr_len) {
301	AstNode *node = trans_create_node(c, NodeTypePointerType);
302	node->data.pointer_type.star_token = allocate<ZigToken>(1);
303	node->data.pointer_type.star_token->id = ptr_len_to_token_id(ptr_len);
304	node->data.pointer_type.is_const = is_const;
305	node->data.pointer_type.is_volatile = is_volatile;
306	node->data.pointer_type.op_expr = child_node;
307	return node;
308	}
309
310	static AstNode trans_create_node_addr_of(Context c, AstNode *child_node) {
311	AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr);
312	node->data.prefix_op_expr.prefix_op = PrefixOpAddrOf;
313	node->data.prefix_op_expr.primary_expr = child_node;
314	return node;
315	}
316
317	static AstNode trans_create_node_bool(Context c, bool value) {
318	AstNode *bool_node = trans_create_node(c, NodeTypeBoolLiteral);
319	bool_node->data.bool_literal.value = value;
320	return bool_node;
321	}
322
323	static AstNode trans_create_node_str_lit(Context c, Buf *buf) {
324	AstNode *node = trans_create_node(c, NodeTypeStringLiteral);
325	node->data.string_literal.buf = buf;
326	return node;
327	}
328
329	static AstNode trans_create_node_unsigned_negative(Context c, uint64_t x, bool is_negative) {
330	AstNode *node = trans_create_node(c, NodeTypeIntLiteral);
331	node->data.int_literal.bigint = allocate<BigInt>(1);
332	bigint_init_data(node->data.int_literal.bigint, &x, 1, is_negative);
333	return node;
334	}
335
336	static AstNode trans_create_node_unsigned(Context c, uint64_t x) {
337	return trans_create_node_unsigned_negative(c, x, false);
338	}
339
340	static AstNode trans_create_node_unsigned_negative_type(Context c, uint64_t x, bool is_negative,
341	const char *type_name)
342	{
343	AstNode *lit_node = trans_create_node_unsigned_negative(c, x, is_negative);
344	return trans_create_node_cast(c, trans_create_node_symbol_str(c, type_name), lit_node);
345	}
346
347	static AstNode trans_create_node_array_type(Context c, AstNode size_node, AstNode child_type_node) {
348	AstNode *node = trans_create_node(c, NodeTypeArrayType);
349	node->data.array_type.size = size_node;
350	node->data.array_type.child_type = child_type_node;
351	return node;
352	}
353
354	static AstNode trans_create_node_var_decl(Context c, VisibMod visib_mod, bool is_const, Buf *var_name,
355	AstNode type_node, AstNode init_node)
356	{
357	AstNode *node = trans_create_node(c, NodeTypeVariableDeclaration);
358	node->data.variable_declaration.visib_mod = visib_mod;
359	node->data.variable_declaration.symbol = var_name;
360	node->data.variable_declaration.is_const = is_const;
361	node->data.variable_declaration.type = type_node;
362	node->data.variable_declaration.expr = init_node;
363	return node;
364	}
365
366	static AstNode trans_create_node_var_decl_global(Context c, bool is_const, Buf var_name, AstNode type_node,
367	AstNode *init_node)
368	{
369	return trans_create_node_var_decl(c, VisibModPub, is_const, var_name, type_node, init_node);
370	}
371
372	static AstNode trans_create_node_var_decl_local(Context c, bool is_const, Buf var_name, AstNode type_node,
373	AstNode *init_node)
374	{
375	return trans_create_node_var_decl(c, VisibModPrivate, is_const, var_name, type_node, init_node);
376	}
377
378	static AstNode trans_create_node_inline_fn(Context c, Buf fn_name, AstNode ref_node, AstNode *src_proto_node) {
379	AstNode *fn_def = trans_create_node(c, NodeTypeFnDef);
380	AstNode *fn_proto = trans_create_node(c, NodeTypeFnProto);
381	fn_proto->data.fn_proto.visib_mod = VisibModPub;
382	fn_proto->data.fn_proto.name = fn_name;
383	fn_proto->data.fn_proto.fn_inline = FnInlineAlways;
384	fn_proto->data.fn_proto.return_type = src_proto_node->data.fn_proto.return_type; // TODO ok for these to alias?
385
386	fn_def->data.fn_def.fn_proto = fn_proto;
387	fn_proto->data.fn_proto.fn_def_node = fn_def;
388
389	AstNode *unwrap_node = trans_create_node_unwrap_null(c, ref_node);
390	AstNode *fn_call_node = trans_create_node(c, NodeTypeFnCallExpr);
391	fn_call_node->data.fn_call_expr.fn_ref_expr = unwrap_node;
392
393	for (size_t i = 0; i < src_proto_node->data.fn_proto.params.length; i += 1) {
394	AstNode *src_param_node = src_proto_node->data.fn_proto.params.at(i);
395	Buf *param_name = src_param_node->data.param_decl.name;
396	if (!param_name) param_name = buf_sprintf("arg%" ZIG_PRI_usize "", i);
397
398	AstNode *dest_param_node = trans_create_node(c, NodeTypeParamDecl);
399	dest_param_node->data.param_decl.name = param_name;
400	dest_param_node->data.param_decl.type = src_param_node->data.param_decl.type;
401	dest_param_node->data.param_decl.is_noalias = src_param_node->data.param_decl.is_noalias;
402	fn_proto->data.fn_proto.params.append(dest_param_node);
403
404	fn_call_node->data.fn_call_expr.params.append(trans_create_node_symbol(c, param_name));
405
406	}
407
408	AstNode *block = trans_create_node(c, NodeTypeBlock);
409	block->data.block.statements.resize(1);
410	block->data.block.statements.items[0] = trans_create_node_return(c, fn_call_node);
411
412	fn_def->data.fn_def.body = block;
413	return fn_def;
414	}
415
416	static AstNode trans_create_node_grouped_expr(Context c, AstNode *child) {
417	AstNode *node = trans_create_node(c, NodeTypeGroupedExpr);
418	node->data.grouped_expr = child;
419	return node;
420	}
421
422	static AstNode get_global(Context c, Buf *name) {
423	{
424	auto entry = c->global_table.maybe_get(name);
425	if (entry) {
426	return entry->value;
427	}
428	}
429	{
430	auto entry = c->macro_table.maybe_get(name);
431	if (entry)
432	return entry->value;
433	}
434	ZigType *type;
435	if (get_primitive_type(c->codegen, name, &type) != ErrorPrimitiveTypeNotFound) {
436	return trans_create_node_symbol(c, name);
437	}
438	return nullptr;
439	}
440
441	static void add_top_level_decl(Context c, Buf name, AstNode *node) {
442	c->global_table.put(name, node);
443	c->root->data.container_decl.decls.append(node);
444	}
445
446	static AstNode add_global_var(Context c, Buf var_name, AstNode value_node) {
447	bool is_const = true;
448	AstNode *type_node = nullptr;
449	AstNode *node = trans_create_node_var_decl_global(c, is_const, var_name, type_node, value_node);
450	add_top_level_decl(c, var_name, node);
451	return node;
452	}
453
454	static AstNode trans_create_node_apint(Context c, const ZigClangAPSInt *aps_int) {
455	AstNode *node = trans_create_node(c, NodeTypeIntLiteral);
456	node->data.int_literal.bigint = allocate<BigInt>(1);
457	bool is_negative = ZigClangAPSInt_isSigned(aps_int) && ZigClangAPSInt_isNegative(aps_int);
458	if (!is_negative) {
459	bigint_init_data(node->data.int_literal.bigint,
460	ZigClangAPSInt_getRawData(aps_int),
461	ZigClangAPSInt_getNumWords(aps_int),
462	false);
463	return node;
464	}
465	const ZigClangAPSInt *negated = ZigClangAPSInt_negate(aps_int);
466	bigint_init_data(node->data.int_literal.bigint, ZigClangAPSInt_getRawData(negated),
467	ZigClangAPSInt_getNumWords(negated), true);
468	ZigClangAPSInt_free(negated);
469	return node;
470	}
471
472	static AstNode trans_create_node_apfloat(Context c, const ZigClangAPFloat *ap_float) {
473	uint8_t buf[128];
474	size_t written = ZigClangAPFloat_convertToHexString(ap_float, (char *)buf, 0, false,
475	ZigClangAPFloat_roundingMode_NearestTiesToEven);
476	AstNode *node = trans_create_node(c, NodeTypeFloatLiteral);
477	node->data.float_literal.bigfloat = allocate<BigFloat>(1);
478	if (bigfloat_init_buf(node->data.float_literal.bigfloat, buf, written)) {
479	node->data.float_literal.overflow = true;
480	}
481	return node;
482	}
483
484	static const ZigClangType *qual_type_canon(ZigClangQualType qt) {
485	ZigClangQualType canon = ZigClangQualType_getCanonicalType(qt);
486	return ZigClangQualType_getTypePtr(canon);
487	}
488
489	static ZigClangQualType get_expr_qual_type(Context c, const ZigClangExpr expr) {
490	// String literals in C are `char ` but they should really be `const char `.
491	if (ZigClangExpr_getStmtClass(expr) == ZigClangStmt_ImplicitCastExprClass) {
492	const ZigClangImplicitCastExpr cast_expr = reinterpret_cast<const ZigClangImplicitCastExpr >(expr);
493	if (ZigClangImplicitCastExpr_getCastKind(cast_expr) == ZigClangCK_ArrayToPointerDecay) {
494	const ZigClangExpr *sub_expr = ZigClangImplicitCastExpr_getSubExpr(cast_expr);
495	if (ZigClangExpr_getStmtClass(sub_expr) == ZigClangStmt_StringLiteralClass) {
496	ZigClangQualType array_qt = ZigClangExpr_getType(sub_expr);
497	const ZigClangArrayType array_type = reinterpret_cast<const ZigClangArrayType >(
498	ZigClangQualType_getTypePtr(array_qt));
499	ZigClangQualType pointee_qt = ZigClangArrayType_getElementType(array_type);
500	ZigClangQualType_addConst(&pointee_qt);
501	return ZigClangASTContext_getPointerType(c->ctx, pointee_qt);
502	}
503	}
504	}
505	return ZigClangExpr_getType(expr);
506	}
507
508	static ZigClangQualType get_expr_qual_type_before_implicit_cast(Context c, const ZigClangExpr expr) {
509	if (ZigClangExpr_getStmtClass(expr) == ZigClangStmt_ImplicitCastExprClass) {
510	const ZigClangImplicitCastExpr cast_expr = reinterpret_cast<const ZigClangImplicitCastExpr >(expr);
511	return get_expr_qual_type(c, ZigClangImplicitCastExpr_getSubExpr(cast_expr));
512	}
513	return ZigClangExpr_getType(expr);
514	}
515
516	static AstNode get_expr_type(Context c, const ZigClangExpr *expr) {
517	return trans_qual_type(c, get_expr_qual_type(c, expr), ZigClangExpr_getBeginLoc(expr));
518	}
519
520	static bool is_c_void_type(AstNode *node) {
521	return (node->type == NodeTypeSymbol && buf_eql_str(node->data.symbol_expr.symbol, "c_void"));
522	}
523
524	static bool qual_type_is_ptr(ZigClangQualType qt) {
525	const ZigClangType *ty = qual_type_canon(qt);
526	return ZigClangType_getTypeClass(ty) == ZigClangType_Pointer;
527	}
528
529	static const ZigClangFunctionProtoType qual_type_get_fn_proto(ZigClangQualType qt, bool is_ptr) {
530	const ZigClangType *ty = qual_type_canon(qt);
531	*is_ptr = false;
532
533	if (ZigClangType_getTypeClass(ty) == ZigClangType_Pointer) {
534	*is_ptr = true;
535	ZigClangQualType child_qt = ZigClangType_getPointeeType(ty);
536	ty = ZigClangQualType_getTypePtr(child_qt);
537	}
538
539	if (ZigClangType_getTypeClass(ty) == ZigClangType_FunctionProto) {
540	return reinterpret_cast<const ZigClangFunctionProtoType*>(ty);
541	}
542
543	return nullptr;
544	}
545
546	static bool qual_type_is_fn_ptr(ZigClangQualType qt) {
547	bool is_ptr;
548	if (qual_type_get_fn_proto(qt, &is_ptr)) {
549	return is_ptr;
550	}
551
552	return false;
553	}
554
555	static uint32_t qual_type_int_bit_width(Context *c, const ZigClangQualType qt, ZigClangSourceLocation source_loc) {
556	const ZigClangType *ty = ZigClangQualType_getTypePtr(qt);
557	switch (ZigClangType_getTypeClass(ty)) {
558	case ZigClangType_Builtin:
559	{
560	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType>(ty);
561	switch (ZigClangBuiltinType_getKind(builtin_ty)) {
562	case ZigClangBuiltinTypeChar_U:
563	case ZigClangBuiltinTypeUChar:
564	case ZigClangBuiltinTypeChar_S:
565	case ZigClangBuiltinTypeSChar:
566	return 8;
567	case ZigClangBuiltinTypeUInt128:
568	case ZigClangBuiltinTypeInt128:
569	return 128;
570	default:
571	return 0;
572	}
573	zig_unreachable();
574	}
575	case ZigClangType_Typedef:
576	{
577	const ZigClangTypedefType typedef_ty = reinterpret_cast<const ZigClangTypedefType>(ty);
578	const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty);
579	const char type_name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl )typedef_decl);
580	if (strcmp(type_name, "uint8_t") == 0 \|\| strcmp(type_name, "int8_t") == 0) {
581	return 8;
582	} else if (strcmp(type_name, "uint16_t") == 0 \|\| strcmp(type_name, "int16_t") == 0) {
583	return 16;
584	} else if (strcmp(type_name, "uint32_t") == 0 \|\| strcmp(type_name, "int32_t") == 0) {
585	return 32;
586	} else if (strcmp(type_name, "uint64_t") == 0 \|\| strcmp(type_name, "int64_t") == 0) {
587	return 64;
588	} else {
589	return 0;
590	}
591	}
592	default:
593	return 0;
594	}
595	zig_unreachable();
596	}
597
598
599	static AstNode qual_type_to_log2_int_ref(Context c, const ZigClangQualType qt,
600	ZigClangSourceLocation source_loc)
601	{
602	uint32_t int_bit_width = qual_type_int_bit_width(c, qt, source_loc);
603	if (int_bit_width != 0) {
604	// we can perform the log2 now.
605	uint64_t cast_bit_width = log2_u64(int_bit_width);
606	return trans_create_node_symbol(c, buf_sprintf("u%" ZIG_PRI_u64, cast_bit_width));
607	}
608
609	AstNode *zig_type_node = trans_qual_type(c, qt, source_loc);
610
611	// @import("std").math.Log2Int(c_long);
612	//
613	// FnCall
614	// FieldAccess
615	// FieldAccess
616	// FnCall (.builtin = true)
617	// Symbol "import"
618	// ZigClangStringLiteral "std"
619	// Symbol "math"
620	// Symbol "Log2Int"
621	// zig_type_node
622
623	AstNode *import_fn_call = trans_create_node_builtin_fn_call_str(c, "import");
624	import_fn_call->data.fn_call_expr.params.append(trans_create_node_str_lit(c, buf_create_from_str("std")));
625	AstNode *inner_field_access = trans_create_node_field_access_str(c, import_fn_call, "math");
626	AstNode *outer_field_access = trans_create_node_field_access_str(c, inner_field_access, "Log2Int");
627	AstNode *log2int_fn_call = trans_create_node_fn_call_1(c, outer_field_access, zig_type_node);
628
629	return log2int_fn_call;
630	}
631
632	static bool qual_type_child_is_fn_proto(ZigClangQualType qt) {
633	const ZigClangType *ty = ZigClangQualType_getTypePtr(qt);
634	if (ZigClangType_getTypeClass(ty) == ZigClangType_Paren) {
635	const ZigClangParenType paren_type = reinterpret_cast<const ZigClangParenType >(ty);
636	ZigClangQualType inner_type = ZigClangParenType_getInnerType(paren_type);
637	if (ZigClangQualType_getTypeClass(inner_type) == ZigClangType_FunctionProto) {
638	return true;
639	}
640	} else if (ZigClangType_getTypeClass(ty) == ZigClangType_Attributed) {
641	const ZigClangAttributedType attr_type = reinterpret_cast<const ZigClangAttributedType >(ty);
642	return qual_type_child_is_fn_proto(ZigClangAttributedType_getEquivalentType(attr_type));
643	}
644	return false;
645	}
646
647	static AstNode* trans_c_ptr_cast(Context *c, ZigClangSourceLocation source_location, ZigClangQualType dest_type,
648	ZigClangQualType src_type, AstNode *expr)
649	{
650	const ZigClangType *ty = ZigClangQualType_getTypePtr(dest_type);
651	const ZigClangQualType child_type = ZigClangType_getPointeeType(ty);
652
653	AstNode *dest_type_node = trans_type(c, ty, source_location);
654	AstNode *child_type_node = trans_qual_type(c, child_type, source_location);
655
656	// Implicit downcasting from higher to lower alignment values is forbidden,
657	// use @alignCast to side-step this problem
658	AstNode *ptrcast_node = trans_create_node_builtin_fn_call_str(c, "ptrCast");
659	ptrcast_node->data.fn_call_expr.params.append(dest_type_node);
660
661	if (ZigClangType_isVoidType(qual_type_canon(child_type))) {
662	// void has 1-byte alignment
663	ptrcast_node->data.fn_call_expr.params.append(expr);
664	} else {
665	AstNode *alignof_node = trans_create_node_builtin_fn_call_str(c, "alignOf");
666	alignof_node->data.fn_call_expr.params.append(child_type_node);
667	AstNode *aligncast_node = trans_create_node_builtin_fn_call_str(c, "alignCast");
668	aligncast_node->data.fn_call_expr.params.append(alignof_node);
669	aligncast_node->data.fn_call_expr.params.append(expr);
670
671	ptrcast_node->data.fn_call_expr.params.append(aligncast_node);
672	}
673
674	return ptrcast_node;
675	}
676
677	static AstNode* trans_c_cast(Context *c, ZigClangSourceLocation source_location, ZigClangQualType dest_type,
678	ZigClangQualType src_type, AstNode *expr)
679	{
680	// The only way void pointer casts are valid C code, is if
681	// the value of the expression is ignored. We therefore just
682	// return the expr, and let the system that ignores values
683	// translate this correctly.
684	if (ZigClangType_isVoidType(qual_type_canon(dest_type))) {
685	return expr;
686	}
687	if (ZigClangQualType_eq(dest_type, src_type)) {
688	return expr;
689	}
690	if (qual_type_is_ptr(dest_type) && qual_type_is_ptr(src_type)) {
691	return trans_c_ptr_cast(c, source_location, dest_type, src_type, expr);
692	}
693	if (c_is_unsigned_integer(c, dest_type) && qual_type_is_ptr(src_type)) {
694	AstNode *addr_node = trans_create_node_builtin_fn_call_str(c, "ptrToInt");
695	addr_node->data.fn_call_expr.params.append(expr);
696	return trans_create_node_cast(c, trans_qual_type(c, dest_type, source_location), addr_node);
697	}
698	if (c_is_unsigned_integer(c, src_type) && qual_type_is_ptr(dest_type)) {
699	AstNode *ptr_node = trans_create_node_builtin_fn_call_str(c, "intToPtr");
700	ptr_node->data.fn_call_expr.params.append(trans_qual_type(c, dest_type, source_location));
701	ptr_node->data.fn_call_expr.params.append(expr);
702	return ptr_node;
703	}
704	// TODO: maybe widen to increase size
705	// TODO: maybe bitcast to change sign
706	// TODO: maybe truncate to reduce size
707	return trans_create_node_cast(c, trans_qual_type(c, dest_type, source_location), expr);
708	}
709
710	static bool c_is_signed_integer(Context *c, ZigClangQualType qt) {
711	const ZigClangType *c_type = qual_type_canon(qt);
712	if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin)
713	return false;
714	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType>(c_type);
715	switch (ZigClangBuiltinType_getKind(builtin_ty)) {
716	case ZigClangBuiltinTypeSChar:
717	case ZigClangBuiltinTypeShort:
718	case ZigClangBuiltinTypeInt:
719	case ZigClangBuiltinTypeLong:
720	case ZigClangBuiltinTypeLongLong:
721	case ZigClangBuiltinTypeInt128:
722	case ZigClangBuiltinTypeWChar_S:
723	return true;
724	default:
725	return false;
726	}
727	}
728
729	static bool c_is_unsigned_integer(Context *c, ZigClangQualType qt) {
730	const ZigClangType *c_type = qual_type_canon(qt);
731	if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin)
732	return false;
733	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType>(c_type);
734	switch (ZigClangBuiltinType_getKind(builtin_ty)) {
735	case ZigClangBuiltinTypeChar_U:
736	case ZigClangBuiltinTypeUChar:
737	case ZigClangBuiltinTypeChar_S:
738	case ZigClangBuiltinTypeUShort:
739	case ZigClangBuiltinTypeUInt:
740	case ZigClangBuiltinTypeULong:
741	case ZigClangBuiltinTypeULongLong:
742	case ZigClangBuiltinTypeUInt128:
743	case ZigClangBuiltinTypeWChar_U:
744	return true;
745	default:
746	return false;
747	}
748	}
749
750	static bool c_is_builtin_type(Context *c, ZigClangQualType qt, ZigClangBuiltinTypeKind kind) {
751	const ZigClangType *c_type = qual_type_canon(qt);
752	if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin)
753	return false;
754	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType>(c_type);
755	return ZigClangBuiltinType_getKind(builtin_ty) == kind;
756	}
757
758	static bool c_is_float(Context *c, ZigClangQualType qt) {
759	const ZigClangType *c_type = ZigClangQualType_getTypePtr(qt);
760	if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin)
761	return false;
762	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType>(c_type);
763	switch (ZigClangBuiltinType_getKind(builtin_ty)) {
764	case ZigClangBuiltinTypeHalf:
765	case ZigClangBuiltinTypeFloat:
766	case ZigClangBuiltinTypeDouble:
767	case ZigClangBuiltinTypeFloat128:
768	case ZigClangBuiltinTypeLongDouble:
769	return true;
770	default:
771	return false;
772	}
773	}
774
775	static bool qual_type_has_wrapping_overflow(Context *c, ZigClangQualType qt) {
776	if (c_is_signed_integer(c, qt) \|\| c_is_float(c, qt)) {
777	// float and signed integer overflow is undefined behavior.
778	return false;
779	} else {
780	// unsigned integer overflow wraps around.
781	return true;
782	}
783	}
784
785	static bool type_is_function(Context c, const ZigClangType ty, ZigClangSourceLocation source_loc) {
786	switch (ZigClangType_getTypeClass(ty)) {
787	case ZigClangType_FunctionProto:
788	case ZigClangType_FunctionNoProto:
789	return true;
790	case ZigClangType_Elaborated: {
791	const ZigClangElaboratedType elaborated_ty = reinterpret_cast<const ZigClangElaboratedType>(ty);
792	ZigClangQualType qt = ZigClangElaboratedType_getNamedType(elaborated_ty);
793	return type_is_function(c, ZigClangQualType_getTypePtr(qt), source_loc);
794	}
795	case ZigClangType_Typedef: {
796	const ZigClangTypedefType typedef_ty = reinterpret_cast<const ZigClangTypedefType>(ty);
797	const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty);
798	ZigClangQualType underlying_type = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl);
799	return type_is_function(c, ZigClangQualType_getTypePtr(underlying_type), source_loc);
800	}
801	default:
802	return false;
803	}
804	}
805
806	static bool type_is_opaque(Context c, const ZigClangType ty, ZigClangSourceLocation source_loc) {
807	switch (ZigClangType_getTypeClass(ty)) {
808	case ZigClangType_Builtin: {
809	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType>(ty);
810	return ZigClangBuiltinType_getKind(builtin_ty) == ZigClangBuiltinTypeVoid;
811	}
812	case ZigClangType_Record: {
813	const ZigClangRecordType record_ty = reinterpret_cast<const ZigClangRecordType>(ty);
814	const ZigClangRecordDecl *record_decl = ZigClangRecordType_getDecl(record_ty);
815	const ZigClangRecordDecl *record_def = ZigClangRecordDecl_getDefinition(record_decl);
816	if (record_def == nullptr) {
817	return true;
818	}
819	for (ZigClangRecordDecl_field_iterator it = ZigClangRecordDecl_field_begin(record_def),
820	it_end = ZigClangRecordDecl_field_end(record_def);
821	ZigClangRecordDecl_field_iterator_neq(it, it_end);
822	it = ZigClangRecordDecl_field_iterator_next(it))
823	{
824	const ZigClangFieldDecl *field_decl = ZigClangRecordDecl_field_iterator_deref(it);
825
826	if (ZigClangFieldDecl_isBitField(field_decl)) {
827	return true;
828	}
829	}
830	return false;
831	}
832	case ZigClangType_Elaborated: {
833	const ZigClangElaboratedType elaborated_ty = reinterpret_cast<const ZigClangElaboratedType>(ty);
834	ZigClangQualType qt = ZigClangElaboratedType_getNamedType(elaborated_ty);
835	return type_is_opaque(c, ZigClangQualType_getTypePtr(qt), source_loc);
836	}
837	case ZigClangType_Typedef: {
838	const ZigClangTypedefType typedef_ty = reinterpret_cast<const ZigClangTypedefType>(ty);
839	const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty);
840	ZigClangQualType underlying_type = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl);
841	return type_is_opaque(c, ZigClangQualType_getTypePtr(underlying_type), source_loc);
842	}
843	default:
844	return false;
845	}
846	}
847
848	static AstNode trans_type(Context c, const ZigClangType *ty, ZigClangSourceLocation source_loc) {
849	switch (ZigClangType_getTypeClass(ty)) {
850	case ZigClangType_Builtin:
851	{
852	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType >(ty);
853	switch (ZigClangBuiltinType_getKind(builtin_ty)) {
854	case ZigClangBuiltinTypeVoid:
855	return trans_create_node_symbol_str(c, "c_void");
856	case ZigClangBuiltinTypeBool:
857	return trans_create_node_symbol_str(c, "bool");
858	case ZigClangBuiltinTypeChar_U:
859	case ZigClangBuiltinTypeUChar:
860	case ZigClangBuiltinTypeChar_S:
861	case ZigClangBuiltinTypeChar8:
862	return trans_create_node_symbol_str(c, "u8");
863	case ZigClangBuiltinTypeSChar:
864	return trans_create_node_symbol_str(c, "i8");
865	case ZigClangBuiltinTypeUShort:
866	return trans_create_node_symbol_str(c, "c_ushort");
867	case ZigClangBuiltinTypeUInt:
868	return trans_create_node_symbol_str(c, "c_uint");
869	case ZigClangBuiltinTypeULong:
870	return trans_create_node_symbol_str(c, "c_ulong");
871	case ZigClangBuiltinTypeULongLong:
872	return trans_create_node_symbol_str(c, "c_ulonglong");
873	case ZigClangBuiltinTypeShort:
874	return trans_create_node_symbol_str(c, "c_short");
875	case ZigClangBuiltinTypeInt:
876	return trans_create_node_symbol_str(c, "c_int");
877	case ZigClangBuiltinTypeLong:
878	return trans_create_node_symbol_str(c, "c_long");
879	case ZigClangBuiltinTypeLongLong:
880	return trans_create_node_symbol_str(c, "c_longlong");
881	case ZigClangBuiltinTypeUInt128:
882	return trans_create_node_symbol_str(c, "u128");
883	case ZigClangBuiltinTypeInt128:
884	return trans_create_node_symbol_str(c, "i128");
885	case ZigClangBuiltinTypeFloat:
886	return trans_create_node_symbol_str(c, "f32");
887	case ZigClangBuiltinTypeDouble:
888	return trans_create_node_symbol_str(c, "f64");
889	case ZigClangBuiltinTypeFloat128:
890	return trans_create_node_symbol_str(c, "f128");
891	case ZigClangBuiltinTypeFloat16:
892	return trans_create_node_symbol_str(c, "f16");
893	case ZigClangBuiltinTypeLongDouble:
894	return trans_create_node_symbol_str(c, "c_longdouble");
895	case ZigClangBuiltinTypeWChar_U:
896	case ZigClangBuiltinTypeChar16:
897	case ZigClangBuiltinTypeChar32:
898	case ZigClangBuiltinTypeWChar_S:
899	case ZigClangBuiltinTypeHalf:
900	case ZigClangBuiltinTypeNullPtr:
901	case ZigClangBuiltinTypeObjCId:
902	case ZigClangBuiltinTypeObjCClass:
903	case ZigClangBuiltinTypeObjCSel:
904	case ZigClangBuiltinTypeOMPArraySection:
905	case ZigClangBuiltinTypeDependent:
906	case ZigClangBuiltinTypeOverload:
907	case ZigClangBuiltinTypeBoundMember:
908	case ZigClangBuiltinTypePseudoObject:
909	case ZigClangBuiltinTypeUnknownAny:
910	case ZigClangBuiltinTypeBuiltinFn:
911	case ZigClangBuiltinTypeARCUnbridgedCast:
912	case ZigClangBuiltinTypeShortAccum:
913	case ZigClangBuiltinTypeAccum:
914	case ZigClangBuiltinTypeLongAccum:
915	case ZigClangBuiltinTypeUShortAccum:
916	case ZigClangBuiltinTypeUAccum:
917	case ZigClangBuiltinTypeULongAccum:
918
919	case ZigClangBuiltinTypeOCLImage1dRO:
920	case ZigClangBuiltinTypeOCLImage1dArrayRO:
921	case ZigClangBuiltinTypeOCLImage1dBufferRO:
922	case ZigClangBuiltinTypeOCLImage2dRO:
923	case ZigClangBuiltinTypeOCLImage2dArrayRO:
924	case ZigClangBuiltinTypeOCLImage2dDepthRO:
925	case ZigClangBuiltinTypeOCLImage2dArrayDepthRO:
926	case ZigClangBuiltinTypeOCLImage2dMSAARO:
927	case ZigClangBuiltinTypeOCLImage2dArrayMSAARO:
928	case ZigClangBuiltinTypeOCLImage2dMSAADepthRO:
929	case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRO:
930	case ZigClangBuiltinTypeOCLImage3dRO:
931	case ZigClangBuiltinTypeOCLImage1dWO:
932	case ZigClangBuiltinTypeOCLImage1dArrayWO:
933	case ZigClangBuiltinTypeOCLImage1dBufferWO:
934	case ZigClangBuiltinTypeOCLImage2dWO:
935	case ZigClangBuiltinTypeOCLImage2dArrayWO:
936	case ZigClangBuiltinTypeOCLImage2dDepthWO:
937	case ZigClangBuiltinTypeOCLImage2dArrayDepthWO:
938	case ZigClangBuiltinTypeOCLImage2dMSAAWO:
939	case ZigClangBuiltinTypeOCLImage2dArrayMSAAWO:
940	case ZigClangBuiltinTypeOCLImage2dMSAADepthWO:
941	case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthWO:
942	case ZigClangBuiltinTypeOCLImage3dWO:
943	case ZigClangBuiltinTypeOCLImage1dRW:
944	case ZigClangBuiltinTypeOCLImage1dArrayRW:
945	case ZigClangBuiltinTypeOCLImage1dBufferRW:
946	case ZigClangBuiltinTypeOCLImage2dRW:
947	case ZigClangBuiltinTypeOCLImage2dArrayRW:
948	case ZigClangBuiltinTypeOCLImage2dDepthRW:
949	case ZigClangBuiltinTypeOCLImage2dArrayDepthRW:
950	case ZigClangBuiltinTypeOCLImage2dMSAARW:
951	case ZigClangBuiltinTypeOCLImage2dArrayMSAARW:
952	case ZigClangBuiltinTypeOCLImage2dMSAADepthRW:
953	case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRW:
954	case ZigClangBuiltinTypeOCLImage3dRW:
955	case ZigClangBuiltinTypeOCLSampler:
956	case ZigClangBuiltinTypeOCLEvent:
957	case ZigClangBuiltinTypeOCLClkEvent:
958	case ZigClangBuiltinTypeOCLQueue:
959	case ZigClangBuiltinTypeOCLReserveID:
960	case ZigClangBuiltinTypeShortFract:
961	case ZigClangBuiltinTypeFract:
962	case ZigClangBuiltinTypeLongFract:
963	case ZigClangBuiltinTypeUShortFract:
964	case ZigClangBuiltinTypeUFract:
965	case ZigClangBuiltinTypeULongFract:
966	case ZigClangBuiltinTypeSatShortAccum:
967	case ZigClangBuiltinTypeSatAccum:
968	case ZigClangBuiltinTypeSatLongAccum:
969	case ZigClangBuiltinTypeSatUShortAccum:
970	case ZigClangBuiltinTypeSatUAccum:
971	case ZigClangBuiltinTypeSatULongAccum:
972	case ZigClangBuiltinTypeSatShortFract:
973	case ZigClangBuiltinTypeSatFract:
974	case ZigClangBuiltinTypeSatLongFract:
975	case ZigClangBuiltinTypeSatUShortFract:
976	case ZigClangBuiltinTypeSatUFract:
977	case ZigClangBuiltinTypeSatULongFract:
978	case ZigClangBuiltinTypeOCLIntelSubgroupAVCMcePayload:
979	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImePayload:
980	case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefPayload:
981	case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicPayload:
982	case ZigClangBuiltinTypeOCLIntelSubgroupAVCMceResult:
983	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResult:
984	case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefResult:
985	case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicResult:
986	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultSingleRefStreamout:
987	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultDualRefStreamout:
988	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeSingleRefStreamin:
989	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeDualRefStreamin:
990	emit_warning(c, source_loc, "unsupported builtin type");
991	return nullptr;
992	}
993	break;
994	}
995	case ZigClangType_Pointer:
996	{
997	ZigClangQualType child_qt = ZigClangType_getPointeeType(ty);
998	AstNode *child_node = trans_qual_type(c, child_qt, source_loc);
999	if (child_node == nullptr) {
1000	emit_warning(c, source_loc, "pointer to unsupported type");
1001	return nullptr;
1002	}
1003
1004	if (qual_type_child_is_fn_proto(child_qt)) {
1005	return trans_create_node_prefix_op(c, PrefixOpOptional, child_node);
1006	}
1007
1008	if (type_is_function(c, ZigClangQualType_getTypePtr(child_qt), source_loc)) {
1009	return trans_create_node_prefix_op(c, PrefixOpOptional, child_node);
1010	} else if (type_is_opaque(c, ZigClangQualType_getTypePtr(child_qt), source_loc)) {
1011	AstNode *pointer_node = trans_create_node_ptr_type(c,
1012	ZigClangQualType_isConstQualified(child_qt),
1013	ZigClangQualType_isVolatileQualified(child_qt),
1014	child_node, PtrLenSingle);
1015	return trans_create_node_prefix_op(c, PrefixOpOptional, pointer_node);
1016	} else {
1017	return trans_create_node_ptr_type(c,
1018	ZigClangQualType_isConstQualified(child_qt),
1019	ZigClangQualType_isVolatileQualified(child_qt),
1020	child_node, PtrLenC);
1021	}
1022	}
1023	case ZigClangType_Typedef:
1024	{
1025	const ZigClangTypedefType typedef_ty = reinterpret_cast<const ZigClangTypedefType>(ty);
1026	const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty);
1027	return resolve_typedef_decl(c, typedef_decl);
1028	}
1029	case ZigClangType_Elaborated:
1030	{
1031	const ZigClangElaboratedType elaborated_ty = reinterpret_cast<const ZigClangElaboratedType>(ty);
1032	switch (ZigClangElaboratedType_getKeyword(elaborated_ty)) {
1033	case ZigClangETK_Struct:
1034	case ZigClangETK_Enum:
1035	case ZigClangETK_Union:
1036	return trans_qual_type(c, ZigClangElaboratedType_getNamedType(elaborated_ty), source_loc);
1037	case ZigClangETK_Interface:
1038	case ZigClangETK_Class:
1039	case ZigClangETK_Typename:
1040	case ZigClangETK_None:
1041	emit_warning(c, source_loc, "unsupported elaborated type");
1042	return nullptr;
1043	}
1044	}
1045	case ZigClangType_FunctionProto:
1046	case ZigClangType_FunctionNoProto:
1047	{
1048	const ZigClangFunctionType fn_ty = reinterpret_cast<const ZigClangFunctionType>(ty);
1049
1050	AstNode *proto_node = trans_create_node(c, NodeTypeFnProto);
1051	switch (ZigClangFunctionType_getCallConv(fn_ty)) {
1052	case ZigClangCallingConv_C: // __attribute__((cdecl))
1053	proto_node->data.fn_proto.cc = CallingConventionC;
1054	proto_node->data.fn_proto.is_extern = true;
1055	break;
1056	case ZigClangCallingConv_X86StdCall: // __attribute__((stdcall))
1057	proto_node->data.fn_proto.cc = CallingConventionStdcall;
1058	break;
1059	case ZigClangCallingConv_X86FastCall: // __attribute__((fastcall))
1060	emit_warning(c, source_loc, "unsupported calling convention: x86 fastcall");
1061	return nullptr;
1062	case ZigClangCallingConv_X86ThisCall: // __attribute__((thiscall))
1063	emit_warning(c, source_loc, "unsupported calling convention: x86 thiscall");
1064	return nullptr;
1065	case ZigClangCallingConv_X86VectorCall: // __attribute__((vectorcall))
1066	emit_warning(c, source_loc, "unsupported calling convention: x86 vectorcall");
1067	return nullptr;
1068	case ZigClangCallingConv_X86Pascal: // __attribute__((pascal))
1069	emit_warning(c, source_loc, "unsupported calling convention: x86 pascal");
1070	return nullptr;
1071	case ZigClangCallingConv_Win64: // __attribute__((ms_abi))
1072	emit_warning(c, source_loc, "unsupported calling convention: win64");
1073	return nullptr;
1074	case ZigClangCallingConv_X86_64SysV: // __attribute__((sysv_abi))
1075	emit_warning(c, source_loc, "unsupported calling convention: x86 64sysv");
1076	return nullptr;
1077	case ZigClangCallingConv_X86RegCall:
1078	emit_warning(c, source_loc, "unsupported calling convention: x86 reg");
1079	return nullptr;
1080	case ZigClangCallingConv_AAPCS: // __attribute__((pcs("aapcs")))
1081	emit_warning(c, source_loc, "unsupported calling convention: aapcs");
1082	return nullptr;
1083	case ZigClangCallingConv_AAPCS_VFP: // __attribute__((pcs("aapcs-vfp")))
1084	emit_warning(c, source_loc, "unsupported calling convention: aapcs-vfp");
1085	return nullptr;
1086	case ZigClangCallingConv_IntelOclBicc: // __attribute__((intel_ocl_bicc))
1087	emit_warning(c, source_loc, "unsupported calling convention: intel_ocl_bicc");
1088	return nullptr;
1089	case ZigClangCallingConv_SpirFunction: // default for OpenCL functions on SPIR target
1090	emit_warning(c, source_loc, "unsupported calling convention: SPIR function");
1091	return nullptr;
1092	case ZigClangCallingConv_OpenCLKernel:
1093	emit_warning(c, source_loc, "unsupported calling convention: OpenCLKernel");
1094	return nullptr;
1095	case ZigClangCallingConv_Swift:
1096	emit_warning(c, source_loc, "unsupported calling convention: Swift");
1097	return nullptr;
1098	case ZigClangCallingConv_PreserveMost:
1099	emit_warning(c, source_loc, "unsupported calling convention: PreserveMost");
1100	return nullptr;
1101	case ZigClangCallingConv_PreserveAll:
1102	emit_warning(c, source_loc, "unsupported calling convention: PreserveAll");
1103	return nullptr;
1104	case ZigClangCallingConv_AArch64VectorCall:
1105	emit_warning(c, source_loc, "unsupported calling convention: AArch64VectorCall");
1106	return nullptr;
1107	}
1108
1109	if (ZigClangFunctionType_getNoReturnAttr(fn_ty)) {
1110	proto_node->data.fn_proto.return_type = trans_create_node_symbol_str(c, "noreturn");
1111	} else {
1112	proto_node->data.fn_proto.return_type = trans_qual_type(c,
1113	ZigClangFunctionType_getReturnType(fn_ty), source_loc);
1114	if (proto_node->data.fn_proto.return_type == nullptr) {
1115	emit_warning(c, source_loc, "unsupported function proto return type");
1116	return nullptr;
1117	}
1118	// convert c_void to actual void (only for return type)
1119	// we do want to look at the AstNode instead of ZigClangQualType, because
1120	// if they do something like:
1121	// typedef Foo void;
1122	// void foo(void) -> Foo;
1123	// we want to keep the return type AST node.
1124	if (is_c_void_type(proto_node->data.fn_proto.return_type)) {
1125	proto_node->data.fn_proto.return_type = trans_create_node_symbol_str(c, "void");
1126	}
1127	}
1128
1129	//emit_warning(c, source_loc, "TODO figure out fn prototype fn name");
1130	const char *fn_name = nullptr;
1131	if (fn_name != nullptr) {
1132	proto_node->data.fn_proto.name = buf_create_from_str(fn_name);
1133	}
1134
1135	if (ZigClangType_getTypeClass(ty) == ZigClangType_FunctionNoProto) {
1136	return proto_node;
1137	}
1138
1139	const ZigClangFunctionProtoType fn_proto_ty = reinterpret_cast<const ZigClangFunctionProtoType>(ty);
1140
1141	proto_node->data.fn_proto.is_var_args = ZigClangFunctionProtoType_isVariadic(fn_proto_ty);
1142	size_t param_count = ZigClangFunctionProtoType_getNumParams(fn_proto_ty);
1143
1144	for (size_t i = 0; i < param_count; i += 1) {
1145	ZigClangQualType qt = ZigClangFunctionProtoType_getParamType(fn_proto_ty, i);
1146	AstNode *param_type_node = trans_qual_type(c, qt, source_loc);
1147
1148	if (param_type_node == nullptr) {
1149	emit_warning(c, source_loc, "unresolved function proto parameter type");
1150	return nullptr;
1151	}
1152
1153	AstNode *param_node = trans_create_node(c, NodeTypeParamDecl);
1154	//emit_warning(c, source_loc, "TODO figure out fn prototype param name");
1155	const char *param_name = nullptr;
1156	if (param_name != nullptr) {
1157	param_node->data.param_decl.name = buf_create_from_str(param_name);
1158	}
1159	param_node->data.param_decl.is_noalias = ZigClangQualType_isRestrictQualified(qt);
1160	param_node->data.param_decl.type = param_type_node;
1161	proto_node->data.fn_proto.params.append(param_node);
1162	}
1163	// TODO check for always_inline attribute
1164	// TODO check for align attribute
1165
1166	return proto_node;
1167	}
1168	case ZigClangType_Record:
1169	{
1170	const ZigClangRecordType record_ty = reinterpret_cast<const ZigClangRecordType>(ty);
1171	return resolve_record_decl(c, ZigClangRecordType_getDecl(record_ty));
1172	}
1173	case ZigClangType_Enum:
1174	{
1175	const ZigClangEnumType enum_ty = reinterpret_cast<const ZigClangEnumType>(ty);
1176	return resolve_enum_decl(c, ZigClangEnumType_getDecl(enum_ty));
1177	}
1178	case ZigClangType_ConstantArray:
1179	{
1180	const ZigClangConstantArrayType const_arr_ty = reinterpret_cast<const ZigClangConstantArrayType >(ty);
1181	AstNode *child_type_node = trans_qual_type(c,
1182	ZigClangConstantArrayType_getElementType(const_arr_ty), source_loc);
1183	if (child_type_node == nullptr) {
1184	emit_warning(c, source_loc, "unresolved array element type");
1185	return nullptr;
1186	}
1187	const ZigClangAPInt *size_ap_int = ZigClangConstantArrayType_getSize(const_arr_ty);
1188	uint64_t size = ZigClangAPInt_getLimitedValue(size_ap_int, UINT64_MAX);
1189	AstNode *size_node = trans_create_node_unsigned(c, size);
1190	return trans_create_node_array_type(c, size_node, child_type_node);
1191	}
1192	case ZigClangType_Paren:
1193	{
1194	const ZigClangParenType paren_ty = reinterpret_cast<const ZigClangParenType >(ty);
1195	return trans_qual_type(c, ZigClangParenType_getInnerType(paren_ty), source_loc);
1196	}
1197	case ZigClangType_Decayed:
1198	{
1199	const ZigClangDecayedType decayed_ty = reinterpret_cast<const ZigClangDecayedType >(ty);
1200	return trans_qual_type(c, ZigClangDecayedType_getDecayedType(decayed_ty), source_loc);
1201	}
1202	case ZigClangType_Attributed:
1203	{
1204	const ZigClangAttributedType attributed_ty = reinterpret_cast<const ZigClangAttributedType >(ty);
1205	return trans_qual_type(c, ZigClangAttributedType_getEquivalentType(attributed_ty), source_loc);
1206	}
1207	case ZigClangType_MacroQualified:
1208	{
1209	const ZigClangMacroQualifiedType macroqualified_ty = reinterpret_cast<const ZigClangMacroQualifiedType >(ty);
1210	return trans_qual_type(c, ZigClangMacroQualifiedType_getModifiedType(macroqualified_ty), source_loc);
1211	}
1212	case ZigClangType_IncompleteArray:
1213	{
1214	const ZigClangIncompleteArrayType incomplete_array_ty = reinterpret_cast<const ZigClangIncompleteArrayType >(ty);
1215	ZigClangQualType child_qt = ZigClangIncompleteArrayType_getElementType(incomplete_array_ty);
1216	AstNode *child_type_node = trans_qual_type(c, child_qt, source_loc);
1217	if (child_type_node == nullptr) {
1218	emit_warning(c, source_loc, "unresolved array element type");
1219	return nullptr;
1220	}
1221	AstNode *pointer_node = trans_create_node_ptr_type(c,
1222	ZigClangQualType_isConstQualified(child_qt),
1223	ZigClangQualType_isVolatileQualified(child_qt),
1224	child_type_node, PtrLenC);
1225	return pointer_node;
1226	}
1227	case ZigClangType_BlockPointer:
1228	case ZigClangType_LValueReference:
1229	case ZigClangType_RValueReference:
1230	case ZigClangType_MemberPointer:
1231	case ZigClangType_VariableArray:
1232	case ZigClangType_DependentSizedArray:
1233	case ZigClangType_DependentSizedExtVector:
1234	case ZigClangType_Vector:
1235	case ZigClangType_ExtVector:
1236	case ZigClangType_UnresolvedUsing:
1237	case ZigClangType_Adjusted:
1238	case ZigClangType_TypeOfExpr:
1239	case ZigClangType_TypeOf:
1240	case ZigClangType_Decltype:
1241	case ZigClangType_UnaryTransform:
1242	case ZigClangType_TemplateTypeParm:
1243	case ZigClangType_SubstTemplateTypeParm:
1244	case ZigClangType_SubstTemplateTypeParmPack:
1245	case ZigClangType_TemplateSpecialization:
1246	case ZigClangType_Auto:
1247	case ZigClangType_InjectedClassName:
1248	case ZigClangType_DependentName:
1249	case ZigClangType_DependentTemplateSpecialization:
1250	case ZigClangType_PackExpansion:
1251	case ZigClangType_ObjCObject:
1252	case ZigClangType_ObjCInterface:
1253	case ZigClangType_Complex:
1254	case ZigClangType_ObjCObjectPointer:
1255	case ZigClangType_Atomic:
1256	case ZigClangType_Pipe:
1257	case ZigClangType_ObjCTypeParam:
1258	case ZigClangType_DeducedTemplateSpecialization:
1259	case ZigClangType_DependentAddressSpace:
1260	case ZigClangType_DependentVector:
1261	emit_warning(c, source_loc, "unsupported type: '%s'", ZigClangType_getTypeClassName(ty));
1262	return nullptr;
1263	}
1264	zig_unreachable();
1265	}
1266
1267	static AstNode trans_qual_type(Context c, ZigClangQualType qt, ZigClangSourceLocation source_loc) {
1268	return trans_type(c, ZigClangQualType_getTypePtr(qt), source_loc);
1269	}
1270
1271	static int trans_compound_stmt_inline(Context c, TransScope scope, const ZigClangCompoundStmt *stmt,
1272	AstNode block_node, TransScope *out_node_scope)
1273	{
1274	assert(block_node->type == NodeTypeBlock);
1275	for (ZigClangCompoundStmt_const_body_iterator it = ZigClangCompoundStmt_body_begin(stmt),
1276	end_it = ZigClangCompoundStmt_body_end(stmt); it != end_it; ++it)
1277	{
1278	AstNode *child_node;
1279	scope = trans_stmt(c, scope, *it, &child_node);
1280	if (scope == nullptr)
1281	return ErrorUnexpected;
1282	if (child_node != nullptr)
1283	block_node->data.block.statements.append(child_node);
1284	}
1285	if (out_node_scope != nullptr) {
1286	*out_node_scope = scope;
1287	}
1288	return ErrorNone;
1289	}
1290
1291	static AstNode trans_compound_stmt(Context c, TransScope scope, const ZigClangCompoundStmt stmt,
1292	TransScope **out_node_scope)
1293	{
1294	TransScopeBlock *child_scope_block = trans_scope_block_create(c, scope);
1295	if (trans_compound_stmt_inline(c, &child_scope_block->base, stmt, child_scope_block->node, out_node_scope))
1296	return nullptr;
1297	return child_scope_block->node;
1298	}
1299
1300	static AstNode trans_stmt_expr(Context c, ResultUsed result_used, TransScope *scope,
1301	const ZigClangStmtExpr stmt, TransScope *out_node_scope)
1302	{
1303	AstNode *block = trans_compound_stmt(c, scope, ZigClangStmtExpr_getSubStmt(stmt), out_node_scope);
1304	if (block == nullptr)
1305	return block;
1306	assert(block->type == NodeTypeBlock);
1307	if (block->data.block.statements.length == 0)
1308	return block;
1309
1310	Buf *label = buf_create_from_str("x");
1311	block->data.block.name = label;
1312	AstNode *return_expr = block->data.block.statements.pop();
1313	if (return_expr->type == NodeTypeBinOpExpr &&
1314	return_expr->data.bin_op_expr.bin_op == BinOpTypeAssign &&
1315	return_expr->data.bin_op_expr.op1->type == NodeTypeSymbol)
1316	{
1317	Buf *symbol_buf = return_expr->data.bin_op_expr.op1->data.symbol_expr.symbol;
1318	if (strcmp("_", buf_ptr(symbol_buf)) == 0)
1319	return_expr = return_expr->data.bin_op_expr.op2;
1320	}
1321	block->data.block.statements.append(trans_create_node_break(c, label, return_expr));
1322	return maybe_suppress_result(c, result_used, block);
1323	}
1324
1325	static AstNode trans_return_stmt(Context c, TransScope scope, const ZigClangReturnStmt stmt) {
1326	const ZigClangExpr *value_expr = ZigClangReturnStmt_getRetValue(stmt);
1327	if (value_expr == nullptr) {
1328	return trans_create_node(c, NodeTypeReturnExpr);
1329	} else {
1330	AstNode *return_node = trans_create_node(c, NodeTypeReturnExpr);
1331	return_node->data.return_expr.expr = trans_expr(c, ResultUsedYes, scope, value_expr, TransRValue);
1332	if (return_node->data.return_expr.expr == nullptr)
1333	return nullptr;
1334	return return_node;
1335	}
1336	}
1337
1338	static AstNode trans_integer_literal(Context c, ResultUsed result_used, const ZigClangIntegerLiteral *stmt) {
1339	ZigClangExprEvalResult result;
1340	if (!ZigClangIntegerLiteral_EvaluateAsInt(stmt, &result, c->ctx)) {
1341	emit_warning(c, ZigClangExpr_getBeginLoc((ZigClangExpr*)stmt), "invalid integer literal");
1342	return nullptr;
1343	}
1344	AstNode *node = trans_create_node_apint(c, ZigClangAPValue_getInt(&result.Val));
1345	return maybe_suppress_result(c, result_used, node);
1346	}
1347
1348	static AstNode trans_floating_literal(Context c, ResultUsed result_used, const ZigClangFloatingLiteral *stmt) {
1349	ZigClangAPFloat *result;
1350	if (!ZigClangExpr_EvaluateAsFloat((const ZigClangExpr *)stmt, &result, c->ctx)) {
1351	emit_warning(c, ZigClangExpr_getBeginLoc((ZigClangExpr*)stmt), "invalid floating literal");
1352	return nullptr;
1353	}
1354	AstNode *node = trans_create_node_apfloat(c, result);
1355	return maybe_suppress_result(c, result_used, node);
1356	}
1357
1358	static AstNode trans_character_literal(Context c, ResultUsed result_used, const ZigClangCharacterLiteral *stmt) {
1359	switch (ZigClangCharacterLiteral_getKind(stmt)) {
1360	case ZigClangCharacterLiteral_CharacterKind_Ascii:
1361	{
1362	unsigned val = ZigClangCharacterLiteral_getValue(stmt);
1363	// C has a somewhat obscure feature called multi-character character
1364	// constant
1365	if (val > 255)
1366	return trans_create_node_unsigned(c, val);
1367	}
1368	// fallthrough
1369	case ZigClangCharacterLiteral_CharacterKind_UTF8:
1370	{
1371	AstNode *node = trans_create_node(c, NodeTypeCharLiteral);
1372	node->data.char_literal.value = ZigClangCharacterLiteral_getValue(stmt);
1373	return maybe_suppress_result(c, result_used, node);
1374	}
1375	case ZigClangCharacterLiteral_CharacterKind_UTF16:
1376	emit_warning(c, ZigClangCharacterLiteral_getBeginLoc(stmt), "TODO support UTF16 character literals");
1377	return nullptr;
1378	case ZigClangCharacterLiteral_CharacterKind_UTF32:
1379	emit_warning(c, ZigClangCharacterLiteral_getBeginLoc(stmt), "TODO support UTF32 character literals");
1380	return nullptr;
1381	case ZigClangCharacterLiteral_CharacterKind_Wide:
1382	emit_warning(c, ZigClangCharacterLiteral_getBeginLoc(stmt), "TODO support wide character literals");
1383	return nullptr;
1384	}
1385	zig_unreachable();
1386	}
1387
1388	static AstNode trans_constant_expr(Context c, ResultUsed result_used, const ZigClangConstantExpr *expr) {
1389	const ZigClangExpr as_expr = reinterpret_cast<const ZigClangExpr >(expr);
1390	ZigClangExprEvalResult result;
1391	if (!ZigClangExpr_EvaluateAsConstantExpr((const ZigClangExpr *)expr, &result,
1392	ZigClangExpr_EvaluateForCodeGen, c->ctx))
1393	{
1394	emit_warning(c, ZigClangExpr_getBeginLoc(as_expr), "invalid constant expression");
1395	return nullptr;
1396	}
1397	AstNode *node = trans_ap_value(c, &result.Val, ZigClangExpr_getType(as_expr),
1398	ZigClangExpr_getBeginLoc(as_expr));
1399	return maybe_suppress_result(c, result_used, node);
1400	}
1401
1402	static AstNode trans_conditional_operator(Context c, ResultUsed result_used, TransScope *scope,
1403	const ZigClangConditionalOperator *stmt)
1404	{
1405	AstNode *node = trans_create_node(c, NodeTypeIfBoolExpr);
1406
1407	const ZigClangExpr *cond_expr = ZigClangConditionalOperator_getCond(stmt);
1408	const ZigClangExpr *true_expr = ZigClangConditionalOperator_getTrueExpr(stmt);
1409	const ZigClangExpr *false_expr = ZigClangConditionalOperator_getFalseExpr(stmt);
1410
1411	node->data.if_bool_expr.condition = trans_expr(c, ResultUsedYes, scope, cond_expr, TransRValue);
1412	if (node->data.if_bool_expr.condition == nullptr)
1413	return nullptr;
1414
1415	node->data.if_bool_expr.then_block = trans_expr(c, result_used, scope, true_expr, TransRValue);
1416	if (node->data.if_bool_expr.then_block == nullptr)
1417	return nullptr;
1418
1419	node->data.if_bool_expr.else_node = trans_expr(c, result_used, scope, false_expr, TransRValue);
1420	if (node->data.if_bool_expr.else_node == nullptr)
1421	return nullptr;
1422
1423	return maybe_suppress_result(c, result_used, node);
1424	}
1425
1426	static AstNode trans_create_bin_op(Context c, TransScope scope, const ZigClangExpr lhs,
1427	BinOpType bin_op, const ZigClangExpr *rhs)
1428	{
1429	AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
1430	node->data.bin_op_expr.bin_op = bin_op;
1431
1432	node->data.bin_op_expr.op1 = trans_expr(c, ResultUsedYes, scope, lhs, TransRValue);
1433	if (node->data.bin_op_expr.op1 == nullptr)
1434	return nullptr;
1435
1436	node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, rhs, TransRValue);
1437	if (node->data.bin_op_expr.op2 == nullptr)
1438	return nullptr;
1439
1440	return node;
1441	}
1442
1443	static AstNode trans_create_bool_bin_op(Context c, TransScope scope, const ZigClangExpr lhs,
1444	BinOpType bin_op, const ZigClangExpr *rhs)
1445	{
1446	assert(bin_op == BinOpTypeBoolAnd \|\| bin_op == BinOpTypeBoolOr);
1447	AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
1448	node->data.bin_op_expr.bin_op = bin_op;
1449
1450	node->data.bin_op_expr.op1 = trans_bool_expr(c, ResultUsedYes, scope, lhs, TransRValue);
1451	if (node->data.bin_op_expr.op1 == nullptr)
1452	return nullptr;
1453
1454	node->data.bin_op_expr.op2 = trans_bool_expr(c, ResultUsedYes, scope, rhs, TransRValue);
1455	if (node->data.bin_op_expr.op2 == nullptr)
1456	return nullptr;
1457
1458	return node;
1459	}
1460
1461	static AstNode trans_create_assign(Context c, ResultUsed result_used, TransScope *scope,
1462	const ZigClangExpr lhs, const ZigClangExpr rhs)
1463	{
1464	if (result_used == ResultUsedNo) {
1465	// common case
1466	AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
1467	node->data.bin_op_expr.bin_op = BinOpTypeAssign;
1468
1469	node->data.bin_op_expr.op1 = trans_expr(c, ResultUsedYes, scope, lhs, TransLValue);
1470	if (node->data.bin_op_expr.op1 == nullptr)
1471	return nullptr;
1472
1473	node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, rhs, TransRValue);
1474	if (node->data.bin_op_expr.op2 == nullptr)
1475	return nullptr;
1476
1477	return node;
1478	} else {
1479	// worst case
1480	// c: lhs = rhs
1481	// zig: (x: {
1482	// zig: const _tmp = rhs;
1483	// zig: lhs = _tmp;
1484	// zig: break :x _tmp
1485	// zig: })
1486
1487	TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
1488	Buf *label_name = buf_create_from_str("x");
1489	child_scope->node->data.block.name = label_name;
1490
1491	// const _tmp = rhs;
1492	AstNode *rhs_node = trans_expr(c, ResultUsedYes, &child_scope->base, rhs, TransRValue);
1493	if (rhs_node == nullptr) return nullptr;
1494	// TODO: avoid name collisions with generated variable names
1495	Buf* tmp_var_name = buf_create_from_str("_tmp");
1496	AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, rhs_node);
1497	child_scope->node->data.block.statements.append(tmp_var_decl);
1498
1499	// lhs = _tmp;
1500	AstNode *lhs_node = trans_expr(c, ResultUsedYes, &child_scope->base, lhs, TransLValue);
1501	if (lhs_node == nullptr) return nullptr;
1502	child_scope->node->data.block.statements.append(
1503	trans_create_node_bin_op(c, lhs_node, BinOpTypeAssign,
1504	trans_create_node_symbol(c, tmp_var_name)));
1505
1506	// break :x _tmp
1507	AstNode *tmp_symbol_node = trans_create_node_symbol(c, tmp_var_name);
1508	child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, tmp_symbol_node));
1509
1510	return trans_create_node_grouped_expr(c, child_scope->node);
1511	}
1512	}
1513
1514	static AstNode trans_create_shift_op(Context c, TransScope *scope, ZigClangQualType result_type,
1515	const ZigClangExpr lhs_expr, BinOpType bin_op, const ZigClangExpr rhs_expr)
1516	{
1517	ZigClangSourceLocation rhs_location = ZigClangExpr_getBeginLoc(rhs_expr);
1518	AstNode *rhs_type = qual_type_to_log2_int_ref(c, result_type, rhs_location);
1519	// lhs >> u5(rh)
1520
1521	AstNode *lhs = trans_expr(c, ResultUsedYes, scope, lhs_expr, TransLValue);
1522	if (lhs == nullptr) return nullptr;
1523
1524	AstNode *rhs = trans_expr(c, ResultUsedYes, scope, rhs_expr, TransRValue);
1525	if (rhs == nullptr) return nullptr;
1526	AstNode *coerced_rhs = trans_create_node_cast(c, rhs_type, rhs);
1527
1528	return trans_create_node_bin_op(c, lhs, bin_op, coerced_rhs);
1529	}
1530
1531	static AstNode trans_binary_operator(Context c, ResultUsed result_used, TransScope *scope,
1532	const ZigClangBinaryOperator *stmt)
1533	{
1534	switch (ZigClangBinaryOperator_getOpcode(stmt)) {
1535	case ZigClangBO_PtrMemD:
1536	emit_warning(c, ZigClangBinaryOperator_getBeginLoc(stmt), "TODO handle more C binary operators: BO_PtrMemD");
1537	return nullptr;
1538	case ZigClangBO_PtrMemI:
1539	emit_warning(c, ZigClangBinaryOperator_getBeginLoc(stmt), "TODO handle more C binary operators: BO_PtrMemI");
1540	return nullptr;
1541	case ZigClangBO_Cmp:
1542	emit_warning(c, ZigClangBinaryOperator_getBeginLoc(stmt), "TODO handle more C binary operators: BO_Cmp");
1543	return nullptr;
1544	case ZigClangBO_Mul: {
1545	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt),
1546	qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt)) ? BinOpTypeMultWrap : BinOpTypeMult,
1547	ZigClangBinaryOperator_getRHS(stmt));
1548	return maybe_suppress_result(c, result_used, node);
1549	}
1550	case ZigClangBO_Div:
1551	if (qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt))) {
1552	// unsigned/float division uses the operator
1553	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeDiv, ZigClangBinaryOperator_getRHS(stmt));
1554	return maybe_suppress_result(c, result_used, node);
1555	} else {
1556	// signed integer division uses @divTrunc
1557	AstNode *fn_call = trans_create_node_builtin_fn_call_str(c, "divTrunc");
1558	AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getLHS(stmt), TransLValue);
1559	if (lhs == nullptr) return nullptr;
1560	fn_call->data.fn_call_expr.params.append(lhs);
1561	AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getRHS(stmt), TransLValue);
1562	if (rhs == nullptr) return nullptr;
1563	fn_call->data.fn_call_expr.params.append(rhs);
1564	return maybe_suppress_result(c, result_used, fn_call);
1565	}
1566	case ZigClangBO_Rem:
1567	if (qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt))) {
1568	// unsigned/float division uses the operator
1569	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeMod, ZigClangBinaryOperator_getRHS(stmt));
1570	return maybe_suppress_result(c, result_used, node);
1571	} else {
1572	// signed integer division uses @rem
1573	AstNode *fn_call = trans_create_node_builtin_fn_call_str(c, "rem");
1574	AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getLHS(stmt), TransLValue);
1575	if (lhs == nullptr) return nullptr;
1576	fn_call->data.fn_call_expr.params.append(lhs);
1577	AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getRHS(stmt), TransLValue);
1578	if (rhs == nullptr) return nullptr;
1579	fn_call->data.fn_call_expr.params.append(rhs);
1580	return maybe_suppress_result(c, result_used, fn_call);
1581	}
1582	case ZigClangBO_Add: {
1583	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt),
1584	qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt)) ? BinOpTypeAddWrap : BinOpTypeAdd,
1585	ZigClangBinaryOperator_getRHS(stmt));
1586	return maybe_suppress_result(c, result_used, node);
1587	}
1588	case ZigClangBO_Sub: {
1589	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt),
1590	qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt)) ? BinOpTypeSubWrap : BinOpTypeSub,
1591	ZigClangBinaryOperator_getRHS(stmt));
1592	return maybe_suppress_result(c, result_used, node);
1593	}
1594	case ZigClangBO_Shl: {
1595	AstNode *node = trans_create_shift_op(c, scope, ZigClangBinaryOperator_getType(stmt), ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBitShiftLeft, ZigClangBinaryOperator_getRHS(stmt));
1596	return maybe_suppress_result(c, result_used, node);
1597	}
1598	case ZigClangBO_Shr: {
1599	AstNode *node = trans_create_shift_op(c, scope, ZigClangBinaryOperator_getType(stmt), ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBitShiftRight, ZigClangBinaryOperator_getRHS(stmt));
1600	return maybe_suppress_result(c, result_used, node);
1601	}
1602	case ZigClangBO_LT: {
1603	AstNode *node =trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpLessThan, ZigClangBinaryOperator_getRHS(stmt));
1604	return maybe_suppress_result(c, result_used, node);
1605	}
1606	case ZigClangBO_GT: {
1607	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpGreaterThan, ZigClangBinaryOperator_getRHS(stmt));
1608	return maybe_suppress_result(c, result_used, node);
1609	}
1610	case ZigClangBO_LE: {
1611	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpLessOrEq, ZigClangBinaryOperator_getRHS(stmt));
1612	return maybe_suppress_result(c, result_used, node);
1613	}
1614	case ZigClangBO_GE: {
1615	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpGreaterOrEq, ZigClangBinaryOperator_getRHS(stmt));
1616	return maybe_suppress_result(c, result_used, node);
1617	}
1618	case ZigClangBO_EQ: {
1619	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpEq, ZigClangBinaryOperator_getRHS(stmt));
1620	return maybe_suppress_result(c, result_used, node);
1621	}
1622	case ZigClangBO_NE: {
1623	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpNotEq, ZigClangBinaryOperator_getRHS(stmt));
1624	return maybe_suppress_result(c, result_used, node);
1625	}
1626	case ZigClangBO_And: {
1627	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBinAnd, ZigClangBinaryOperator_getRHS(stmt));
1628	return maybe_suppress_result(c, result_used, node);
1629	}
1630	case ZigClangBO_Xor: {
1631	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBinXor, ZigClangBinaryOperator_getRHS(stmt));
1632	return maybe_suppress_result(c, result_used, node);
1633	}
1634	case ZigClangBO_Or: {
1635	AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBinOr, ZigClangBinaryOperator_getRHS(stmt));
1636	return maybe_suppress_result(c, result_used, node);
1637	}
1638	case ZigClangBO_LAnd: {
1639	AstNode *node = trans_create_bool_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBoolAnd, ZigClangBinaryOperator_getRHS(stmt));
1640	return maybe_suppress_result(c, result_used, node);
1641	}
1642	case ZigClangBO_LOr: {
1643	AstNode *node = trans_create_bool_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBoolOr, ZigClangBinaryOperator_getRHS(stmt));
1644	return maybe_suppress_result(c, result_used, node);
1645	}
1646	case ZigClangBO_Assign:
1647	return trans_create_assign(c, result_used, scope, ZigClangBinaryOperator_getLHS(stmt), ZigClangBinaryOperator_getRHS(stmt));
1648	case ZigClangBO_Comma:
1649	{
1650	TransScopeBlock *scope_block = trans_scope_block_create(c, scope);
1651	Buf *label_name = buf_create_from_str("x");
1652	scope_block->node->data.block.name = label_name;
1653
1654	AstNode *lhs = trans_expr(c, ResultUsedNo, &scope_block->base, ZigClangBinaryOperator_getLHS(stmt), TransRValue);
1655	if (lhs == nullptr)
1656	return nullptr;
1657	scope_block->node->data.block.statements.append(lhs);
1658
1659	AstNode *rhs = trans_expr(c, ResultUsedYes, &scope_block->base, ZigClangBinaryOperator_getRHS(stmt), TransRValue);
1660	if (rhs == nullptr)
1661	return nullptr;
1662
1663	rhs = trans_create_node_break(c, label_name, rhs);
1664	scope_block->node->data.block.statements.append(rhs);
1665	return maybe_suppress_result(c, result_used, scope_block->node);
1666	}
1667	case ZigClangBO_MulAssign:
1668	case ZigClangBO_DivAssign:
1669	case ZigClangBO_RemAssign:
1670	case ZigClangBO_AddAssign:
1671	case ZigClangBO_SubAssign:
1672	case ZigClangBO_ShlAssign:
1673	case ZigClangBO_ShrAssign:
1674	case ZigClangBO_AndAssign:
1675	case ZigClangBO_XorAssign:
1676	case ZigClangBO_OrAssign:
1677	zig_unreachable();
1678	}
1679
1680	zig_unreachable();
1681	}
1682
1683	static AstNode trans_create_compound_assign_shift(Context c, ResultUsed result_used, TransScope *scope,
1684	const ZigClangCompoundAssignOperator *stmt, BinOpType assign_op, BinOpType bin_op)
1685	{
1686	ZigClangSourceLocation rhs_location = ZigClangExpr_getBeginLoc(ZigClangCompoundAssignOperator_getRHS(stmt));
1687	ZigClangQualType computation_lhs_type = ZigClangCompoundAssignOperator_getComputationLHSType(stmt);
1688	AstNode *rhs_type = qual_type_to_log2_int_ref(c, computation_lhs_type, rhs_location);
1689	ZigClangQualType computation_result_type = ZigClangCompoundAssignOperator_getComputationResultType(stmt);
1690
1691	bool use_intermediate_casts = ZigClangQualType_getTypePtr(computation_lhs_type) !=
1692	ZigClangQualType_getTypePtr(computation_result_type);
1693	if (!use_intermediate_casts && result_used == ResultUsedNo) {
1694	// simple common case, where the C and Zig are identical:
1695	// lhs >>= rhs
1696	AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue);
1697	if (lhs == nullptr) return nullptr;
1698
1699	AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue);
1700	if (rhs == nullptr) return nullptr;
1701	AstNode *coerced_rhs = trans_create_node_cast(c, rhs_type, rhs);
1702
1703	return trans_create_node_bin_op(c, lhs, assign_op, coerced_rhs);
1704	} else {
1705	// need more complexity. worst case, this looks like this:
1706	// c: lhs >>= rhs
1707	// zig: (x: {
1708	// zig: const _ref = &lhs;
1709	// zig: _ref = result_type(operation_type(_ref) >> u5(rhs));
1710	// zig: break :x *_ref
1711	// zig: })
1712	// where u5 is the appropriate type
1713
1714	TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
1715	Buf *label_name = buf_create_from_str("x");
1716	child_scope->node->data.block.name = label_name;
1717
1718	// const _ref = &lhs;
1719	AstNode *lhs = trans_expr(c, ResultUsedYes, &child_scope->base,
1720	ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue);
1721	if (lhs == nullptr) return nullptr;
1722	AstNode *addr_of_lhs = trans_create_node_addr_of(c, lhs);
1723	// TODO: avoid name collisions with generated variable names
1724	Buf* tmp_var_name = buf_create_from_str("_ref");
1725	AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, addr_of_lhs);
1726	child_scope->node->data.block.statements.append(tmp_var_decl);
1727
1728	// _ref = result_type(operation_type(_ref) >> u5(rhs));
1729
1730	AstNode *rhs = trans_expr(c, ResultUsedYes, &child_scope->base, ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue);
1731	if (rhs == nullptr) return nullptr;
1732	AstNode *coerced_rhs = trans_create_node_cast(c, rhs_type, rhs);
1733
1734	// operation_type(*_ref)
1735	AstNode *operation_type_cast = trans_c_cast(c, rhs_location,
1736	computation_lhs_type,
1737	ZigClangExpr_getType(ZigClangCompoundAssignOperator_getLHS(stmt)),
1738	trans_create_node_ptr_deref(c, trans_create_node_symbol(c, tmp_var_name)));
1739
1740	// result_type(... >> u5(rhs))
1741	AstNode *result_type_cast = trans_c_cast(c, rhs_location,
1742	computation_result_type,
1743	computation_lhs_type,
1744	trans_create_node_bin_op(c,
1745	operation_type_cast,
1746	bin_op,
1747	coerced_rhs));
1748
1749	// *_ref = ...
1750	AstNode *assign_statement = trans_create_node_bin_op(c,
1751	trans_create_node_ptr_deref(c,
1752	trans_create_node_symbol(c, tmp_var_name)),
1753	BinOpTypeAssign, result_type_cast);
1754
1755	child_scope->node->data.block.statements.append(assign_statement);
1756
1757	if (result_used == ResultUsedYes) {
1758	// break :x *_ref
1759	child_scope->node->data.block.statements.append(
1760	trans_create_node_break(c, label_name,
1761	trans_create_node_ptr_deref(c,
1762	trans_create_node_symbol(c, tmp_var_name))));
1763	}
1764
1765	return trans_create_node_grouped_expr(c, child_scope->node);
1766	}
1767	}
1768
1769	static AstNode trans_create_compound_assign(Context c, ResultUsed result_used, TransScope *scope,
1770	const ZigClangCompoundAssignOperator *stmt, BinOpType assign_op, BinOpType bin_op)
1771	{
1772	if (result_used == ResultUsedNo) {
1773	// simple common case, where the C and Zig are identical:
1774	// lhs += rhs
1775	AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue);
1776	if (lhs == nullptr) return nullptr;
1777	AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue);
1778	if (rhs == nullptr) return nullptr;
1779	return trans_create_node_bin_op(c, lhs, assign_op, rhs);
1780	} else {
1781	// need more complexity. worst case, this looks like this:
1782	// c: lhs += rhs
1783	// zig: (x: {
1784	// zig: const _ref = &lhs;
1785	// zig: _ref = _ref + rhs;
1786	// zig: break :x *_ref
1787	// zig: })
1788
1789	TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
1790	Buf *label_name = buf_create_from_str("x");
1791	child_scope->node->data.block.name = label_name;
1792
1793	// const _ref = &lhs;
1794	AstNode *lhs = trans_expr(c, ResultUsedYes, &child_scope->base,
1795	ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue);
1796	if (lhs == nullptr) return nullptr;
1797	AstNode *addr_of_lhs = trans_create_node_addr_of(c, lhs);
1798	// TODO: avoid name collisions with generated variable names
1799	Buf* tmp_var_name = buf_create_from_str("_ref");
1800	AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, addr_of_lhs);
1801	child_scope->node->data.block.statements.append(tmp_var_decl);
1802
1803	// _ref = _ref + rhs;
1804
1805	AstNode *rhs = trans_expr(c, ResultUsedYes, &child_scope->base,
1806	ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue);
1807	if (rhs == nullptr) return nullptr;
1808
1809	AstNode *assign_statement = trans_create_node_bin_op(c,
1810	trans_create_node_ptr_deref(c,
1811	trans_create_node_symbol(c, tmp_var_name)),
1812	BinOpTypeAssign,
1813	trans_create_node_bin_op(c,
1814	trans_create_node_ptr_deref(c,
1815	trans_create_node_symbol(c, tmp_var_name)),
1816	bin_op,
1817	rhs));
1818	child_scope->node->data.block.statements.append(assign_statement);
1819
1820	// break :x *_ref
1821	child_scope->node->data.block.statements.append(
1822	trans_create_node_break(c, label_name,
1823	trans_create_node_ptr_deref(c,
1824	trans_create_node_symbol(c, tmp_var_name))));
1825
1826	return trans_create_node_grouped_expr(c, child_scope->node);
1827	}
1828	}
1829
1830
1831	static AstNode trans_compound_assign_operator(Context c, ResultUsed result_used, TransScope *scope,
1832	const ZigClangCompoundAssignOperator *stmt)
1833	{
1834	switch (ZigClangCompoundAssignOperator_getOpcode(stmt)) {
1835	case ZigClangBO_MulAssign:
1836	if (qual_type_has_wrapping_overflow(c, ZigClangCompoundAssignOperator_getType(stmt)))
1837	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignTimesWrap, BinOpTypeMultWrap);
1838	else
1839	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignTimes, BinOpTypeMult);
1840	case ZigClangBO_DivAssign:
1841	emit_warning(c, ZigClangCompoundAssignOperator_getBeginLoc(stmt), "TODO handle more C compound assign operators: BO_DivAssign");
1842	return nullptr;
1843	case ZigClangBO_RemAssign:
1844	emit_warning(c, ZigClangCompoundAssignOperator_getBeginLoc(stmt), "TODO handle more C compound assign operators: BO_RemAssign");
1845	return nullptr;
1846	case ZigClangBO_Cmp:
1847	emit_warning(c, ZigClangCompoundAssignOperator_getBeginLoc(stmt), "TODO handle more C compound assign operators: BO_Cmp");
1848	return nullptr;
1849	case ZigClangBO_AddAssign:
1850	if (qual_type_has_wrapping_overflow(c, ZigClangCompoundAssignOperator_getType(stmt)))
1851	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap, BinOpTypeAddWrap);
1852	else
1853	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignPlus, BinOpTypeAdd);
1854	case ZigClangBO_SubAssign:
1855	if (qual_type_has_wrapping_overflow(c, ZigClangCompoundAssignOperator_getType(stmt)))
1856	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap, BinOpTypeSubWrap);
1857	else
1858	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignMinus, BinOpTypeSub);
1859	case ZigClangBO_ShlAssign:
1860	return trans_create_compound_assign_shift(c, result_used, scope, stmt, BinOpTypeAssignBitShiftLeft, BinOpTypeBitShiftLeft);
1861	case ZigClangBO_ShrAssign:
1862	return trans_create_compound_assign_shift(c, result_used, scope, stmt, BinOpTypeAssignBitShiftRight, BinOpTypeBitShiftRight);
1863	case ZigClangBO_AndAssign:
1864	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitAnd, BinOpTypeBinAnd);
1865	case ZigClangBO_XorAssign:
1866	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitXor, BinOpTypeBinXor);
1867	case ZigClangBO_OrAssign:
1868	return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitOr, BinOpTypeBinOr);
1869	case ZigClangBO_PtrMemD:
1870	case ZigClangBO_PtrMemI:
1871	case ZigClangBO_Assign:
1872	case ZigClangBO_Mul:
1873	case ZigClangBO_Div:
1874	case ZigClangBO_Rem:
1875	case ZigClangBO_Add:
1876	case ZigClangBO_Sub:
1877	case ZigClangBO_Shl:
1878	case ZigClangBO_Shr:
1879	case ZigClangBO_LT:
1880	case ZigClangBO_GT:
1881	case ZigClangBO_LE:
1882	case ZigClangBO_GE:
1883	case ZigClangBO_EQ:
1884	case ZigClangBO_NE:
1885	case ZigClangBO_And:
1886	case ZigClangBO_Xor:
1887	case ZigClangBO_Or:
1888	case ZigClangBO_LAnd:
1889	case ZigClangBO_LOr:
1890	case ZigClangBO_Comma:
1891	zig_unreachable();
1892	}
1893
1894	zig_unreachable();
1895	}
1896
1897	static AstNode trans_implicit_cast_expr(Context c, ResultUsed result_used, TransScope *scope,
1898	const ZigClangImplicitCastExpr *stmt)
1899	{
1900	switch (ZigClangImplicitCastExpr_getCastKind(stmt)) {
1901	case ZigClangCK_LValueToRValue:
1902	return trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
1903	case ZigClangCK_IntegralCast:
1904	{
1905	AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
1906	if (target_node == nullptr)
1907	return nullptr;
1908	AstNode *node = trans_c_cast(c, ZigClangImplicitCastExpr_getBeginLoc(stmt),
1909	ZigClangExpr_getType(reinterpret_cast<const ZigClangExpr *>(stmt)),
1910	ZigClangExpr_getType(ZigClangImplicitCastExpr_getSubExpr(stmt)),
1911	target_node);
1912	return maybe_suppress_result(c, result_used, node);
1913	}
1914	case ZigClangCK_FunctionToPointerDecay:
1915	case ZigClangCK_ArrayToPointerDecay:
1916	{
1917	AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
1918	if (target_node == nullptr)
1919	return nullptr;
1920	return maybe_suppress_result(c, result_used, target_node);
1921	}
1922	case ZigClangCK_BitCast:
1923	{
1924	AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
1925	if (target_node == nullptr)
1926	return nullptr;
1927
1928	const ZigClangQualType dest_type = get_expr_qual_type(c, reinterpret_cast<const ZigClangExpr *>(stmt));
1929	const ZigClangQualType src_type = get_expr_qual_type(c, ZigClangImplicitCastExpr_getSubExpr(stmt));
1930
1931	return trans_c_cast(c, ZigClangImplicitCastExpr_getBeginLoc(stmt),
1932	dest_type, src_type, target_node);
1933	}
1934	case ZigClangCK_NullToPointer:
1935	return trans_create_node(c, NodeTypeNullLiteral);
1936	case ZigClangCK_NoOp:
1937	return trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
1938	case ZigClangCK_Dependent:
1939	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_Dependent");
1940	return nullptr;
1941	case ZigClangCK_LValueBitCast:
1942	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_LValueBitCast");
1943	return nullptr;
1944	case ZigClangCK_BaseToDerived:
1945	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_BaseToDerived");
1946	return nullptr;
1947	case ZigClangCK_DerivedToBase:
1948	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_DerivedToBase");
1949	return nullptr;
1950	case ZigClangCK_UncheckedDerivedToBase:
1951	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_UncheckedDerivedToBase");
1952	return nullptr;
1953	case ZigClangCK_Dynamic:
1954	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_Dynamic");
1955	return nullptr;
1956	case ZigClangCK_ToUnion:
1957	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_ToUnion");
1958	return nullptr;
1959	case ZigClangCK_NullToMemberPointer:
1960	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_NullToMemberPointer");
1961	return nullptr;
1962	case ZigClangCK_BaseToDerivedMemberPointer:
1963	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_BaseToDerivedMemberPointer");
1964	return nullptr;
1965	case ZigClangCK_DerivedToBaseMemberPointer:
1966	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_DerivedToBaseMemberPointer");
1967	return nullptr;
1968	case ZigClangCK_MemberPointerToBoolean:
1969	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_MemberPointerToBoolean");
1970	return nullptr;
1971	case ZigClangCK_ReinterpretMemberPointer:
1972	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_ReinterpretMemberPointer");
1973	return nullptr;
1974	case ZigClangCK_UserDefinedConversion:
1975	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_UserDefinedConversion");
1976	return nullptr;
1977	case ZigClangCK_ConstructorConversion:
1978	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ConstructorConversion");
1979	return nullptr;
1980	case ZigClangCK_PointerToBoolean:
1981	{
1982	const ZigClangExpr *expr = ZigClangImplicitCastExpr_getSubExpr(stmt);
1983	AstNode *val = trans_expr(c, ResultUsedYes, scope, expr, TransRValue);
1984	if (val == nullptr)
1985	return nullptr;
1986
1987	AstNode *val_ptr = trans_create_node_builtin_fn_call_str(c, "ptrToInt");
1988	val_ptr->data.fn_call_expr.params.append(val);
1989
1990	AstNode *zero = trans_create_node_unsigned(c, 0);
1991
1992	// Translate as @ptrToInt((&val) != 0)
1993	return trans_create_node_bin_op(c, val_ptr, BinOpTypeCmpNotEq, zero);
1994	}
1995	case ZigClangCK_ToVoid:
1996	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ToVoid");
1997	return nullptr;
1998	case ZigClangCK_VectorSplat:
1999	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_VectorSplat");
2000	return nullptr;
2001	case ZigClangCK_IntegralToBoolean:
2002	{
2003	const ZigClangExpr *expr = ZigClangImplicitCastExpr_getSubExpr(stmt);
2004
2005	bool expr_val;
2006	if (ZigClangExpr_EvaluateAsBooleanCondition(expr, &expr_val, c->ctx, false)) {
2007	return trans_create_node_bool(c, expr_val);
2008	}
2009
2010	AstNode *val = trans_expr(c, ResultUsedYes, scope, expr, TransRValue);
2011	if (val == nullptr)
2012	return nullptr;
2013
2014	AstNode *zero = trans_create_node_unsigned(c, 0);
2015
2016	// Translate as val != 0
2017	return trans_create_node_bin_op(c, val, BinOpTypeCmpNotEq, zero);
2018	}
2019	case ZigClangCK_PointerToIntegral:
2020	{
2021	AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
2022	if (target_node == nullptr)
2023	return nullptr;
2024
2025	AstNode dest_type_node = get_expr_type(c, (const ZigClangExpr )stmt);
2026	if (dest_type_node == nullptr)
2027	return nullptr;
2028
2029	AstNode *val_node = trans_create_node_builtin_fn_call_str(c, "ptrToInt");
2030	val_node->data.fn_call_expr.params.append(target_node);
2031	// @ptrToInt always returns a usize
2032	AstNode *node = trans_create_node_builtin_fn_call_str(c, "intCast");
2033	node->data.fn_call_expr.params.append(dest_type_node);
2034	node->data.fn_call_expr.params.append(val_node);
2035
2036	return maybe_suppress_result(c, result_used, node);
2037	}
2038	case ZigClangCK_IntegralToPointer:
2039	{
2040	AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
2041	if (target_node == nullptr)
2042	return nullptr;
2043
2044	AstNode dest_type_node = get_expr_type(c, (const ZigClangExpr )stmt);
2045	if (dest_type_node == nullptr)
2046	return nullptr;
2047
2048	AstNode *node = trans_create_node_builtin_fn_call_str(c, "intToPtr");
2049	node->data.fn_call_expr.params.append(dest_type_node);
2050	node->data.fn_call_expr.params.append(target_node);
2051
2052	return maybe_suppress_result(c, result_used, node);
2053	}
2054	case ZigClangCK_IntegralToFloating:
2055	case ZigClangCK_FloatingToIntegral:
2056	{
2057	AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue);
2058	if (target_node == nullptr)
2059	return nullptr;
2060
2061	AstNode dest_type_node = get_expr_type(c, (const ZigClangExpr )stmt);
2062	if (dest_type_node == nullptr)
2063	return nullptr;
2064
2065	char const *fn = (ZigClangImplicitCastExpr_getCastKind(stmt) == ZigClangCK_IntegralToFloating) ?
2066	"intToFloat" : "floatToInt";
2067	AstNode *node = trans_create_node_builtin_fn_call_str(c, fn);
2068	node->data.fn_call_expr.params.append(dest_type_node);
2069	node->data.fn_call_expr.params.append(target_node);
2070
2071	return maybe_suppress_result(c, result_used, node);
2072	}
2073	case ZigClangCK_FixedPointCast:
2074	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FixedPointCast");
2075	return nullptr;
2076	case ZigClangCK_FixedPointToBoolean:
2077	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FixedPointToBoolean");
2078	return nullptr;
2079	case ZigClangCK_FloatingToBoolean:
2080	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingToBoolean");
2081	return nullptr;
2082	case ZigClangCK_BooleanToSignedIntegral:
2083	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_BooleanToSignedIntegral");
2084	return nullptr;
2085	case ZigClangCK_FloatingCast:
2086	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingCast");
2087	return nullptr;
2088	case ZigClangCK_CPointerToObjCPointerCast:
2089	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_CPointerToObjCPointerCast");
2090	return nullptr;
2091	case ZigClangCK_BlockPointerToObjCPointerCast:
2092	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_BlockPointerToObjCPointerCast");
2093	return nullptr;
2094	case ZigClangCK_AnyPointerToBlockPointerCast:
2095	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_AnyPointerToBlockPointerCast");
2096	return nullptr;
2097	case ZigClangCK_ObjCObjectLValueCast:
2098	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ObjCObjectLValueCast");
2099	return nullptr;
2100	case ZigClangCK_FloatingRealToComplex:
2101	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingRealToComplex");
2102	return nullptr;
2103	case ZigClangCK_FloatingComplexToReal:
2104	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexToReal");
2105	return nullptr;
2106	case ZigClangCK_FloatingComplexToBoolean:
2107	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexToBoolean");
2108	return nullptr;
2109	case ZigClangCK_FloatingComplexCast:
2110	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexCast");
2111	return nullptr;
2112	case ZigClangCK_FloatingComplexToIntegralComplex:
2113	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexToIntegralComplex");
2114	return nullptr;
2115	case ZigClangCK_IntegralRealToComplex:
2116	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralRealToComplex");
2117	return nullptr;
2118	case ZigClangCK_IntegralComplexToReal:
2119	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexToReal");
2120	return nullptr;
2121	case ZigClangCK_IntegralComplexToBoolean:
2122	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexToBoolean");
2123	return nullptr;
2124	case ZigClangCK_IntegralComplexCast:
2125	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexCast");
2126	return nullptr;
2127	case ZigClangCK_IntegralComplexToFloatingComplex:
2128	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexToFloatingComplex");
2129	return nullptr;
2130	case ZigClangCK_ARCProduceObject:
2131	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCProduceObject");
2132	return nullptr;
2133	case ZigClangCK_ARCConsumeObject:
2134	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCConsumeObject");
2135	return nullptr;
2136	case ZigClangCK_ARCReclaimReturnedObject:
2137	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCReclaimReturnedObject");
2138	return nullptr;
2139	case ZigClangCK_ARCExtendBlockObject:
2140	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCExtendBlockObject");
2141	return nullptr;
2142	case ZigClangCK_AtomicToNonAtomic:
2143	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_AtomicToNonAtomic");
2144	return nullptr;
2145	case ZigClangCK_NonAtomicToAtomic:
2146	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_NonAtomicToAtomic");
2147	return nullptr;
2148	case ZigClangCK_CopyAndAutoreleaseBlockObject:
2149	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_CopyAndAutoreleaseBlockObject");
2150	return nullptr;
2151	case ZigClangCK_BuiltinFnToFnPtr:
2152	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_BuiltinFnToFnPtr");
2153	return nullptr;
2154	case ZigClangCK_ZeroToOCLOpaqueType:
2155	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ZeroToOCLOpaqueType");
2156	return nullptr;
2157	case ZigClangCK_AddressSpaceConversion:
2158	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_AddressSpaceConversion");
2159	return nullptr;
2160	case ZigClangCK_IntToOCLSampler:
2161	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntToOCLSampler");
2162	return nullptr;
2163	case ZigClangCK_LValueToRValueBitCast:
2164	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_LValueToRValueBitCast");
2165	return nullptr;
2166	case ZigClangCK_FixedPointToIntegral:
2167	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FixedPointToIntegral");
2168	return nullptr;
2169	case ZigClangCK_IntegralToFixedPoint:
2170	emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralToFixedPointral");
2171	return nullptr;
2172	}
2173	zig_unreachable();
2174	}
2175
2176	static AstNode trans_decl_ref_expr(Context c, TransScope scope, const ZigClangDeclRefExpr stmt, TransLRValue lrval) {
2177	const ZigClangValueDecl *value_decl = ZigClangDeclRefExpr_getDecl(stmt);
2178	Buf c_symbol_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl )value_decl));
2179	Buf *zig_symbol_name = trans_lookup_zig_symbol(c, scope, c_symbol_name);
2180	if (lrval == TransLValue) {
2181	c->ptr_params.put(zig_symbol_name, true);
2182	}
2183	return trans_create_node_symbol(c, zig_symbol_name);
2184	}
2185
2186	static AstNode trans_create_post_crement(Context c, ResultUsed result_used, TransScope *scope,
2187	const ZigClangUnaryOperator *stmt, BinOpType assign_op)
2188	{
2189	const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt);
2190
2191	if (result_used == ResultUsedNo) {
2192	// common case
2193	// c: expr++
2194	// zig: expr += 1
2195	return trans_create_node_bin_op(c,
2196	trans_expr(c, ResultUsedYes, scope, op_expr, TransLValue),
2197	assign_op,
2198	trans_create_node_unsigned(c, 1));
2199	}
2200	// worst case
2201	// c: expr++
2202	// zig: (x: {
2203	// zig: const _ref = &expr;
2204	// zig: const _tmp = *_ref;
2205	// zig: *_ref += 1;
2206	// zig: break :x _tmp
2207	// zig: })
2208	TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
2209	Buf *label_name = buf_create_from_str("x");
2210	child_scope->node->data.block.name = label_name;
2211
2212	// const _ref = &expr;
2213	AstNode *expr = trans_expr(c, ResultUsedYes, &child_scope->base, op_expr, TransLValue);
2214	if (expr == nullptr) return nullptr;
2215	AstNode *addr_of_expr = trans_create_node_addr_of(c, expr);
2216	// TODO: avoid name collisions with generated variable names
2217	Buf* ref_var_name = buf_create_from_str("_ref");
2218	AstNode *ref_var_decl = trans_create_node_var_decl_local(c, true, ref_var_name, nullptr, addr_of_expr);
2219	child_scope->node->data.block.statements.append(ref_var_decl);
2220
2221	// const _tmp = *_ref;
2222	Buf* tmp_var_name = buf_create_from_str("_tmp");
2223	AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr,
2224	trans_create_node_ptr_deref(c,
2225	trans_create_node_symbol(c, ref_var_name)));
2226	child_scope->node->data.block.statements.append(tmp_var_decl);
2227
2228	// *_ref += 1;
2229	AstNode *assign_statement = trans_create_node_bin_op(c,
2230	trans_create_node_ptr_deref(c,
2231	trans_create_node_symbol(c, ref_var_name)),
2232	assign_op,
2233	trans_create_node_unsigned(c, 1));
2234	child_scope->node->data.block.statements.append(assign_statement);
2235
2236	// break :x _tmp
2237	child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, trans_create_node_symbol(c, tmp_var_name)));
2238
2239	return trans_create_node_grouped_expr(c, child_scope->node);
2240	}
2241
2242	static AstNode trans_create_pre_crement(Context c, ResultUsed result_used, TransScope *scope,
2243	const ZigClangUnaryOperator *stmt, BinOpType assign_op)
2244	{
2245	const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt);
2246
2247	if (result_used == ResultUsedNo) {
2248	// common case
2249	// c: ++expr
2250	// zig: expr += 1
2251	return trans_create_node_bin_op(c,
2252	trans_expr(c, ResultUsedYes, scope, op_expr, TransLValue),
2253	assign_op,
2254	trans_create_node_unsigned(c, 1));
2255	}
2256	// worst case
2257	// c: ++expr
2258	// zig: (x: {
2259	// zig: const _ref = &expr;
2260	// zig: *_ref += 1;
2261	// zig: break :x *_ref
2262	// zig: })
2263	TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
2264	Buf *label_name = buf_create_from_str("x");
2265	child_scope->node->data.block.name = label_name;
2266
2267	// const _ref = &expr;
2268	AstNode *expr = trans_expr(c, ResultUsedYes, &child_scope->base, op_expr, TransLValue);
2269	if (expr == nullptr) return nullptr;
2270	AstNode *addr_of_expr = trans_create_node_addr_of(c, expr);
2271	// TODO: avoid name collisions with generated variable names
2272	Buf* ref_var_name = buf_create_from_str("_ref");
2273	AstNode *ref_var_decl = trans_create_node_var_decl_local(c, true, ref_var_name, nullptr, addr_of_expr);
2274	child_scope->node->data.block.statements.append(ref_var_decl);
2275
2276	// *_ref += 1;
2277	AstNode *assign_statement = trans_create_node_bin_op(c,
2278	trans_create_node_ptr_deref(c,
2279	trans_create_node_symbol(c, ref_var_name)),
2280	assign_op,
2281	trans_create_node_unsigned(c, 1));
2282	child_scope->node->data.block.statements.append(assign_statement);
2283
2284	// break :x *_ref
2285	AstNode *deref_expr = trans_create_node_ptr_deref(c,
2286	trans_create_node_symbol(c, ref_var_name));
2287	child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, deref_expr));
2288
2289	return trans_create_node_grouped_expr(c, child_scope->node);
2290	}
2291
2292	static AstNode trans_unary_operator(Context c, ResultUsed result_used, TransScope *scope,
2293	const ZigClangUnaryOperator *stmt)
2294	{
2295	switch (ZigClangUnaryOperator_getOpcode(stmt)) {
2296	case ZigClangUO_PostInc:
2297	if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt)))
2298	return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap);
2299	else
2300	return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignPlus);
2301	case ZigClangUO_PostDec:
2302	if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt)))
2303	return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap);
2304	else
2305	return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignMinus);
2306	case ZigClangUO_PreInc:
2307	if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt)))
2308	return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap);
2309	else
2310	return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignPlus);
2311	case ZigClangUO_PreDec:
2312	if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt)))
2313	return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap);
2314	else
2315	return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignMinus);
2316	case ZigClangUO_AddrOf:
2317	{
2318	AstNode *value_node = trans_expr(c, result_used, scope, ZigClangUnaryOperator_getSubExpr(stmt), TransLValue);
2319	if (value_node == nullptr)
2320	return value_node;
2321	return trans_create_node_addr_of(c, value_node);
2322	}
2323	case ZigClangUO_Deref:
2324	{
2325	AstNode *value_node = trans_expr(c, result_used, scope, ZigClangUnaryOperator_getSubExpr(stmt), TransRValue);
2326	if (value_node == nullptr)
2327	return nullptr;
2328	bool is_fn_ptr = qual_type_is_fn_ptr(ZigClangExpr_getType(ZigClangUnaryOperator_getSubExpr(stmt)));
2329	if (is_fn_ptr)
2330	return value_node;
2331	AstNode *unwrapped = trans_create_node_unwrap_null(c, value_node);
2332	return trans_create_node_ptr_deref(c, unwrapped);
2333	}
2334	case ZigClangUO_Plus:
2335	emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Plus");
2336	return nullptr;
2337	case ZigClangUO_Minus:
2338	{
2339	const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt);
2340	if (!qual_type_has_wrapping_overflow(c, ZigClangExpr_getType(op_expr))) {
2341	AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr);
2342	node->data.prefix_op_expr.prefix_op = PrefixOpNegation;
2343
2344	node->data.prefix_op_expr.primary_expr = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
2345	if (node->data.prefix_op_expr.primary_expr == nullptr)
2346	return nullptr;
2347
2348	return node;
2349	} else if (c_is_unsigned_integer(c, ZigClangExpr_getType(op_expr))) {
2350	// we gotta emit 0 -% x
2351	AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
2352	node->data.bin_op_expr.op1 = trans_create_node_unsigned(c, 0);
2353
2354	node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
2355	if (node->data.bin_op_expr.op2 == nullptr)
2356	return nullptr;
2357
2358	node->data.bin_op_expr.bin_op = BinOpTypeSubWrap;
2359	return node;
2360	} else {
2361	emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "C negation with non float non integer");
2362	return nullptr;
2363	}
2364	}
2365	case ZigClangUO_Not:
2366	{
2367	const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt);
2368	AstNode *sub_node = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
2369	if (sub_node == nullptr)
2370	return nullptr;
2371
2372	return trans_create_node_prefix_op(c, PrefixOpBinNot, sub_node);
2373	}
2374	case ZigClangUO_LNot:
2375	{
2376	const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt);
2377	AstNode *sub_node = trans_bool_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
2378	if (sub_node == nullptr)
2379	return nullptr;
2380
2381	return trans_create_node_prefix_op(c, PrefixOpBoolNot, sub_node);
2382	}
2383	case ZigClangUO_Real:
2384	emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Real");
2385	return nullptr;
2386	case ZigClangUO_Imag:
2387	emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Imag");
2388	return nullptr;
2389	case ZigClangUO_Extension:
2390	return trans_expr(c, result_used, scope, ZigClangUnaryOperator_getSubExpr(stmt), TransLValue);
2391	case ZigClangUO_Coawait:
2392	emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Coawait");
2393	return nullptr;
2394	}
2395	zig_unreachable();
2396	}
2397
2398	static int trans_local_declaration(Context c, TransScope scope, const ZigClangDeclStmt *stmt,
2399	AstNode out_node, TransScope out_scope)
2400	{
2401	// declarations are added via the scope
2402	*out_node = nullptr;
2403
2404	TransScopeBlock *scope_block = trans_scope_block_find(scope);
2405	assert(scope_block != nullptr);
2406
2407	for (ZigClangDeclStmt_const_decl_iterator iter = ZigClangDeclStmt_decl_begin(stmt),
2408	iter_end = ZigClangDeclStmt_decl_end(stmt);
2409	iter != iter_end; ++iter)
2410	{
2411	ZigClangDecl decl = iter;
2412	switch (ZigClangDecl_getKind(decl)) {
2413	case ZigClangDeclVar: {
2414	ZigClangVarDecl var_decl = (ZigClangVarDecl )decl;
2415	ZigClangQualType qual_type = ZigClangVarDecl_getTypeSourceInfo_getType(var_decl);
2416	AstNode *init_node = nullptr;
2417	if (ZigClangVarDecl_hasInit(var_decl)) {
2418	init_node = trans_expr(c, ResultUsedYes, scope, ZigClangVarDecl_getInit(var_decl), TransRValue);
2419	if (init_node == nullptr)
2420	return ErrorUnexpected;
2421
2422	} else {
2423	init_node = trans_create_node(c, NodeTypeUndefinedLiteral);
2424	}
2425	AstNode *type_node = trans_qual_type(c, qual_type, ZigClangDeclStmt_getBeginLoc(stmt));
2426	if (type_node == nullptr)
2427	return ErrorUnexpected;
2428
2429	Buf c_symbol_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl )var_decl));
2430
2431	TransScopeVar *var_scope = trans_scope_var_create(c, scope, c_symbol_name);
2432	scope = &var_scope->base;
2433
2434	AstNode *node = trans_create_node_var_decl_local(c,
2435	ZigClangQualType_isConstQualified(qual_type),
2436	var_scope->zig_name, type_node, init_node);
2437
2438	scope_block->node->data.block.statements.append(node);
2439	continue;
2440	}
2441	case ZigClangDeclAccessSpec:
2442	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle decl kind AccessSpec");
2443	return ErrorUnexpected;
2444	case ZigClangDeclBlock:
2445	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Block");
2446	return ErrorUnexpected;
2447	case ZigClangDeclCaptured:
2448	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Captured");
2449	return ErrorUnexpected;
2450	case ZigClangDeclClassScopeFunctionSpecialization:
2451	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassScopeFunctionSpecialization");
2452	return ErrorUnexpected;
2453	case ZigClangDeclEmpty:
2454	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Empty");
2455	return ErrorUnexpected;
2456	case ZigClangDeclExport:
2457	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Export");
2458	return ErrorUnexpected;
2459	case ZigClangDeclExternCContext:
2460	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ExternCContext");
2461	return ErrorUnexpected;
2462	case ZigClangDeclFileScopeAsm:
2463	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C FileScopeAsm");
2464	return ErrorUnexpected;
2465	case ZigClangDeclFriend:
2466	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Friend");
2467	return ErrorUnexpected;
2468	case ZigClangDeclFriendTemplate:
2469	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C FriendTemplate");
2470	return ErrorUnexpected;
2471	case ZigClangDeclImport:
2472	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Import");
2473	return ErrorUnexpected;
2474	case ZigClangDeclLinkageSpec:
2475	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C LinkageSpec");
2476	return ErrorUnexpected;
2477	case ZigClangDeclLabel:
2478	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Label");
2479	return ErrorUnexpected;
2480	case ZigClangDeclNamespace:
2481	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Namespace");
2482	return ErrorUnexpected;
2483	case ZigClangDeclNamespaceAlias:
2484	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C NamespaceAlias");
2485	return ErrorUnexpected;
2486	case ZigClangDeclObjCCompatibleAlias:
2487	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCCompatibleAlias");
2488	return ErrorUnexpected;
2489	case ZigClangDeclObjCCategory:
2490	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCCategory");
2491	return ErrorUnexpected;
2492	case ZigClangDeclObjCCategoryImpl:
2493	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCCategoryImpl");
2494	return ErrorUnexpected;
2495	case ZigClangDeclObjCImplementation:
2496	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCImplementation");
2497	return ErrorUnexpected;
2498	case ZigClangDeclObjCInterface:
2499	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCInterface");
2500	return ErrorUnexpected;
2501	case ZigClangDeclObjCProtocol:
2502	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCProtocol");
2503	return ErrorUnexpected;
2504	case ZigClangDeclObjCMethod:
2505	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCMethod");
2506	return ErrorUnexpected;
2507	case ZigClangDeclObjCProperty:
2508	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCProperty");
2509	return ErrorUnexpected;
2510	case ZigClangDeclBuiltinTemplate:
2511	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C BuiltinTemplate");
2512	return ErrorUnexpected;
2513	case ZigClangDeclClassTemplate:
2514	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassTemplate");
2515	return ErrorUnexpected;
2516	case ZigClangDeclFunctionTemplate:
2517	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C FunctionTemplate");
2518	return ErrorUnexpected;
2519	case ZigClangDeclTypeAliasTemplate:
2520	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TypeAliasTemplate");
2521	return ErrorUnexpected;
2522	case ZigClangDeclVarTemplate:
2523	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C VarTemplate");
2524	return ErrorUnexpected;
2525	case ZigClangDeclTemplateTemplateParm:
2526	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TemplateTemplateParm");
2527	return ErrorUnexpected;
2528	case ZigClangDeclEnum:
2529	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Enum");
2530	return ErrorUnexpected;
2531	case ZigClangDeclRecord:
2532	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Record");
2533	return ErrorUnexpected;
2534	case ZigClangDeclCXXRecord:
2535	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXRecord");
2536	return ErrorUnexpected;
2537	case ZigClangDeclClassTemplateSpecialization:
2538	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassTemplateSpecialization");
2539	return ErrorUnexpected;
2540	case ZigClangDeclClassTemplatePartialSpecialization:
2541	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassTemplatePartialSpecialization");
2542	return ErrorUnexpected;
2543	case ZigClangDeclTemplateTypeParm:
2544	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TemplateTypeParm");
2545	return ErrorUnexpected;
2546	case ZigClangDeclObjCTypeParam:
2547	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCTypeParam");
2548	return ErrorUnexpected;
2549	case ZigClangDeclTypeAlias:
2550	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TypeAlias");
2551	return ErrorUnexpected;
2552	case ZigClangDeclTypedef:
2553	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Typedef");
2554	return ErrorUnexpected;
2555	case ZigClangDeclUnresolvedUsingTypename:
2556	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UnresolvedUsingTypename");
2557	return ErrorUnexpected;
2558	case ZigClangDeclUsing:
2559	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Using");
2560	return ErrorUnexpected;
2561	case ZigClangDeclUsingDirective:
2562	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UsingDirective");
2563	return ErrorUnexpected;
2564	case ZigClangDeclUsingPack:
2565	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UsingPack");
2566	return ErrorUnexpected;
2567	case ZigClangDeclUsingShadow:
2568	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UsingShadow");
2569	return ErrorUnexpected;
2570	case ZigClangDeclConstructorUsingShadow:
2571	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ConstructorUsingShadow");
2572	return ErrorUnexpected;
2573	case ZigClangDeclBinding:
2574	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Binding");
2575	return ErrorUnexpected;
2576	case ZigClangDeclField:
2577	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Field");
2578	return ErrorUnexpected;
2579	case ZigClangDeclObjCAtDefsField:
2580	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCAtDefsField");
2581	return ErrorUnexpected;
2582	case ZigClangDeclObjCIvar:
2583	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCIvar");
2584	return ErrorUnexpected;
2585	case ZigClangDeclFunction:
2586	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Function");
2587	return ErrorUnexpected;
2588	case ZigClangDeclCXXDeductionGuide:
2589	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXDeductionGuide");
2590	return ErrorUnexpected;
2591	case ZigClangDeclCXXMethod:
2592	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXMethod");
2593	return ErrorUnexpected;
2594	case ZigClangDeclCXXConstructor:
2595	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXConstructor");
2596	return ErrorUnexpected;
2597	case ZigClangDeclCXXConversion:
2598	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXConversion");
2599	return ErrorUnexpected;
2600	case ZigClangDeclCXXDestructor:
2601	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXDestructor");
2602	return ErrorUnexpected;
2603	case ZigClangDeclMSProperty:
2604	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C MSProperty");
2605	return ErrorUnexpected;
2606	case ZigClangDeclNonTypeTemplateParm:
2607	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C NonTypeTemplateParm");
2608	return ErrorUnexpected;
2609	case ZigClangDeclDecomposition:
2610	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Decomposition");
2611	return ErrorUnexpected;
2612	case ZigClangDeclImplicitParam:
2613	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ImplicitParam");
2614	return ErrorUnexpected;
2615	case ZigClangDeclOMPCapturedExpr:
2616	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPCapturedExpr");
2617	return ErrorUnexpected;
2618	case ZigClangDeclParmVar:
2619	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ParmVar");
2620	return ErrorUnexpected;
2621	case ZigClangDeclVarTemplateSpecialization:
2622	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C VarTemplateSpecialization");
2623	return ErrorUnexpected;
2624	case ZigClangDeclVarTemplatePartialSpecialization:
2625	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C VarTemplatePartialSpecialization");
2626	return ErrorUnexpected;
2627	case ZigClangDeclEnumConstant:
2628	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C EnumConstant");
2629	return ErrorUnexpected;
2630	case ZigClangDeclIndirectField:
2631	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C IndirectField");
2632	return ErrorUnexpected;
2633	case ZigClangDeclOMPDeclareReduction:
2634	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPDeclareReduction");
2635	return ErrorUnexpected;
2636	case ZigClangDeclUnresolvedUsingValue:
2637	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UnresolvedUsingValue");
2638	return ErrorUnexpected;
2639	case ZigClangDeclOMPRequires:
2640	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPRequires");
2641	return ErrorUnexpected;
2642	case ZigClangDeclOMPThreadPrivate:
2643	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPThreadPrivate");
2644	return ErrorUnexpected;
2645	case ZigClangDeclObjCPropertyImpl:
2646	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCPropertyImpl");
2647	return ErrorUnexpected;
2648	case ZigClangDeclPragmaComment:
2649	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C PragmaComment");
2650	return ErrorUnexpected;
2651	case ZigClangDeclPragmaDetectMismatch:
2652	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C PragmaDetectMismatch");
2653	return ErrorUnexpected;
2654	case ZigClangDeclStaticAssert:
2655	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C StaticAssert");
2656	return ErrorUnexpected;
2657	case ZigClangDeclTranslationUnit:
2658	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TranslationUnit");
2659	return ErrorUnexpected;
2660	case ZigClangDeclConcept:
2661	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Concept");
2662	return ErrorUnexpected;
2663	case ZigClangDeclOMPDeclareMapper:
2664	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPDeclareMapper");
2665	return ErrorUnexpected;
2666	case ZigClangDeclOMPAllocate:
2667	emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPAllocate");
2668	return ErrorUnexpected;
2669	}
2670	zig_unreachable();
2671	}
2672
2673	*out_scope = scope;
2674	return ErrorNone;
2675	}
2676
2677	static AstNode to_enum_zero_cmp(Context c, AstNode expr, AstNode enum_type) {
2678	AstNode *tag_type = trans_create_node_builtin_fn_call_str(c, "TagType");
2679	tag_type->data.fn_call_expr.params.append(enum_type);
2680
2681	// @TagType(Enum)(0)
2682	AstNode *zero = trans_create_node_unsigned_negative(c, 0, false);
2683	AstNode *casted_zero = trans_create_node_cast(c, tag_type, zero);
2684
2685	// @bitCast(Enum, @TagType(Enum)(0))
2686	AstNode *bitcast = trans_create_node_builtin_fn_call_str(c, "bitCast");
2687	bitcast->data.fn_call_expr.params.append(enum_type);
2688	bitcast->data.fn_call_expr.params.append(casted_zero);
2689
2690	return trans_create_node_bin_op(c, expr, BinOpTypeCmpNotEq, bitcast);
2691	}
2692
2693	static AstNode trans_bool_expr(Context c, ResultUsed result_used, TransScope scope, const ZigClangExpr expr, TransLRValue lrval) {
2694	AstNode *res = trans_expr(c, result_used, scope, expr, lrval);
2695	if (res == nullptr)
2696	return nullptr;
2697
2698	switch (res->type) {
2699	case NodeTypeBinOpExpr:
2700	switch (res->data.bin_op_expr.bin_op) {
2701	case BinOpTypeBoolOr:
2702	case BinOpTypeBoolAnd:
2703	case BinOpTypeCmpEq:
2704	case BinOpTypeCmpNotEq:
2705	case BinOpTypeCmpLessThan:
2706	case BinOpTypeCmpGreaterThan:
2707	case BinOpTypeCmpLessOrEq:
2708	case BinOpTypeCmpGreaterOrEq:
2709	return res;
2710	default:
2711	break;
2712	}
2713
2714	case NodeTypePrefixOpExpr:
2715	switch (res->data.prefix_op_expr.prefix_op) {
2716	case PrefixOpBoolNot:
2717	return res;
2718	default:
2719	break;
2720	}
2721
2722	case NodeTypeBoolLiteral:
2723	return res;
2724
2725	default:
2726	break;
2727	}
2728
2729
2730	const ZigClangType *ty = ZigClangQualType_getTypePtr(get_expr_qual_type_before_implicit_cast(c, expr));
2731	auto classs = ZigClangType_getTypeClass(ty);
2732	switch (classs) {
2733	case ZigClangType_Builtin:
2734	{
2735	const ZigClangBuiltinType builtin_ty = reinterpret_cast<const ZigClangBuiltinType>(ty);
2736	switch (ZigClangBuiltinType_getKind(builtin_ty)) {
2737	case ZigClangBuiltinTypeBool:
2738	case ZigClangBuiltinTypeChar_U:
2739	case ZigClangBuiltinTypeUChar:
2740	case ZigClangBuiltinTypeChar_S:
2741	case ZigClangBuiltinTypeSChar:
2742	case ZigClangBuiltinTypeUShort:
2743	case ZigClangBuiltinTypeUInt:
2744	case ZigClangBuiltinTypeULong:
2745	case ZigClangBuiltinTypeULongLong:
2746	case ZigClangBuiltinTypeShort:
2747	case ZigClangBuiltinTypeInt:
2748	case ZigClangBuiltinTypeLong:
2749	case ZigClangBuiltinTypeLongLong:
2750	case ZigClangBuiltinTypeUInt128:
2751	case ZigClangBuiltinTypeInt128:
2752	case ZigClangBuiltinTypeFloat:
2753	case ZigClangBuiltinTypeDouble:
2754	case ZigClangBuiltinTypeFloat128:
2755	case ZigClangBuiltinTypeLongDouble:
2756	case ZigClangBuiltinTypeWChar_U:
2757	case ZigClangBuiltinTypeChar8:
2758	case ZigClangBuiltinTypeChar16:
2759	case ZigClangBuiltinTypeChar32:
2760	case ZigClangBuiltinTypeWChar_S:
2761	case ZigClangBuiltinTypeFloat16:
2762	return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, trans_create_node_unsigned_negative(c, 0, false));
2763	case ZigClangBuiltinTypeNullPtr:
2764	return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq,
2765	trans_create_node(c, NodeTypeNullLiteral));
2766
2767	case ZigClangBuiltinTypeVoid:
2768	case ZigClangBuiltinTypeHalf:
2769	case ZigClangBuiltinTypeObjCId:
2770	case ZigClangBuiltinTypeObjCClass:
2771	case ZigClangBuiltinTypeObjCSel:
2772	case ZigClangBuiltinTypeOMPArraySection:
2773	case ZigClangBuiltinTypeDependent:
2774	case ZigClangBuiltinTypeOverload:
2775	case ZigClangBuiltinTypeBoundMember:
2776	case ZigClangBuiltinTypePseudoObject:
2777	case ZigClangBuiltinTypeUnknownAny:
2778	case ZigClangBuiltinTypeBuiltinFn:
2779	case ZigClangBuiltinTypeARCUnbridgedCast:
2780	case ZigClangBuiltinTypeOCLImage1dRO:
2781	case ZigClangBuiltinTypeOCLImage1dArrayRO:
2782	case ZigClangBuiltinTypeOCLImage1dBufferRO:
2783	case ZigClangBuiltinTypeOCLImage2dRO:
2784	case ZigClangBuiltinTypeOCLImage2dArrayRO:
2785	case ZigClangBuiltinTypeOCLImage2dDepthRO:
2786	case ZigClangBuiltinTypeOCLImage2dArrayDepthRO:
2787	case ZigClangBuiltinTypeOCLImage2dMSAARO:
2788	case ZigClangBuiltinTypeOCLImage2dArrayMSAARO:
2789	case ZigClangBuiltinTypeOCLImage2dMSAADepthRO:
2790	case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRO:
2791	case ZigClangBuiltinTypeOCLImage3dRO:
2792	case ZigClangBuiltinTypeOCLImage1dWO:
2793	case ZigClangBuiltinTypeOCLImage1dArrayWO:
2794	case ZigClangBuiltinTypeOCLImage1dBufferWO:
2795	case ZigClangBuiltinTypeOCLImage2dWO:
2796	case ZigClangBuiltinTypeOCLImage2dArrayWO:
2797	case ZigClangBuiltinTypeOCLImage2dDepthWO:
2798	case ZigClangBuiltinTypeOCLImage2dArrayDepthWO:
2799	case ZigClangBuiltinTypeOCLImage2dMSAAWO:
2800	case ZigClangBuiltinTypeOCLImage2dArrayMSAAWO:
2801	case ZigClangBuiltinTypeOCLImage2dMSAADepthWO:
2802	case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthWO:
2803	case ZigClangBuiltinTypeOCLImage3dWO:
2804	case ZigClangBuiltinTypeOCLImage1dRW:
2805	case ZigClangBuiltinTypeOCLImage1dArrayRW:
2806	case ZigClangBuiltinTypeOCLImage1dBufferRW:
2807	case ZigClangBuiltinTypeOCLImage2dRW:
2808	case ZigClangBuiltinTypeOCLImage2dArrayRW:
2809	case ZigClangBuiltinTypeOCLImage2dDepthRW:
2810	case ZigClangBuiltinTypeOCLImage2dArrayDepthRW:
2811	case ZigClangBuiltinTypeOCLImage2dMSAARW:
2812	case ZigClangBuiltinTypeOCLImage2dArrayMSAARW:
2813	case ZigClangBuiltinTypeOCLImage2dMSAADepthRW:
2814	case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRW:
2815	case ZigClangBuiltinTypeOCLImage3dRW:
2816	case ZigClangBuiltinTypeOCLSampler:
2817	case ZigClangBuiltinTypeOCLEvent:
2818	case ZigClangBuiltinTypeOCLClkEvent:
2819	case ZigClangBuiltinTypeOCLQueue:
2820	case ZigClangBuiltinTypeOCLReserveID:
2821	case ZigClangBuiltinTypeShortAccum:
2822	case ZigClangBuiltinTypeAccum:
2823	case ZigClangBuiltinTypeLongAccum:
2824	case ZigClangBuiltinTypeUShortAccum:
2825	case ZigClangBuiltinTypeUAccum:
2826	case ZigClangBuiltinTypeULongAccum:
2827	case ZigClangBuiltinTypeShortFract:
2828	case ZigClangBuiltinTypeFract:
2829	case ZigClangBuiltinTypeLongFract:
2830	case ZigClangBuiltinTypeUShortFract:
2831	case ZigClangBuiltinTypeUFract:
2832	case ZigClangBuiltinTypeULongFract:
2833	case ZigClangBuiltinTypeSatShortAccum:
2834	case ZigClangBuiltinTypeSatAccum:
2835	case ZigClangBuiltinTypeSatLongAccum:
2836	case ZigClangBuiltinTypeSatUShortAccum:
2837	case ZigClangBuiltinTypeSatUAccum:
2838	case ZigClangBuiltinTypeSatULongAccum:
2839	case ZigClangBuiltinTypeSatShortFract:
2840	case ZigClangBuiltinTypeSatFract:
2841	case ZigClangBuiltinTypeSatLongFract:
2842	case ZigClangBuiltinTypeSatUShortFract:
2843	case ZigClangBuiltinTypeSatUFract:
2844	case ZigClangBuiltinTypeSatULongFract:
2845	case ZigClangBuiltinTypeOCLIntelSubgroupAVCMcePayload:
2846	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImePayload:
2847	case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefPayload:
2848	case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicPayload:
2849	case ZigClangBuiltinTypeOCLIntelSubgroupAVCMceResult:
2850	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResult:
2851	case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefResult:
2852	case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicResult:
2853	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultSingleRefStreamout:
2854	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultDualRefStreamout:
2855	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeSingleRefStreamin:
2856	case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeDualRefStreamin:
2857	return res;
2858	}
2859	break;
2860	}
2861	case ZigClangType_Pointer:
2862	return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, trans_create_node(c, NodeTypeNullLiteral));
2863
2864	case ZigClangType_Typedef:
2865	{
2866	const ZigClangTypedefType typedef_ty = reinterpret_cast<const ZigClangTypedefType>(ty);
2867	const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty);
2868	auto existing_entry = c->decl_table.maybe_get((void*)ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl));
2869	if (existing_entry) {
2870	return existing_entry->value;
2871	}
2872
2873	return res;
2874	}
2875
2876	case ZigClangType_Enum:
2877	{
2878	const ZigClangEnumType enum_ty = reinterpret_cast<const ZigClangEnumType >(ty);
2879	AstNode *enum_type = resolve_enum_decl(c, ZigClangEnumType_getDecl(enum_ty));
2880	return to_enum_zero_cmp(c, res, enum_type);
2881	}
2882
2883	case ZigClangType_Elaborated:
2884	{
2885	const ZigClangElaboratedType elaborated_ty = reinterpret_cast<const ZigClangElaboratedType>(ty);
2886	switch (ZigClangElaboratedType_getKeyword(elaborated_ty)) {
2887	case ZigClangETK_Enum: {
2888	AstNode *enum_type = trans_qual_type(c, ZigClangElaboratedType_getNamedType(elaborated_ty),
2889	ZigClangExpr_getBeginLoc(expr));
2890	return to_enum_zero_cmp(c, res, enum_type);
2891	}
2892	case ZigClangETK_Struct:
2893	case ZigClangETK_Union:
2894	case ZigClangETK_Interface:
2895	case ZigClangETK_Class:
2896	case ZigClangETK_Typename:
2897	case ZigClangETK_None:
2898	return res;
2899	}
2900	}
2901
2902	case ZigClangType_FunctionProto:
2903	case ZigClangType_Record:
2904	case ZigClangType_ConstantArray:
2905	case ZigClangType_Paren:
2906	case ZigClangType_Decayed:
2907	case ZigClangType_Attributed:
2908	case ZigClangType_IncompleteArray:
2909	case ZigClangType_BlockPointer:
2910	case ZigClangType_LValueReference:
2911	case ZigClangType_RValueReference:
2912	case ZigClangType_MemberPointer:
2913	case ZigClangType_VariableArray:
2914	case ZigClangType_DependentSizedArray:
2915	case ZigClangType_DependentSizedExtVector:
2916	case ZigClangType_Vector:
2917	case ZigClangType_ExtVector:
2918	case ZigClangType_FunctionNoProto:
2919	case ZigClangType_UnresolvedUsing:
2920	case ZigClangType_Adjusted:
2921	case ZigClangType_TypeOfExpr:
2922	case ZigClangType_TypeOf:
2923	case ZigClangType_Decltype:
2924	case ZigClangType_UnaryTransform:
2925	case ZigClangType_TemplateTypeParm:
2926	case ZigClangType_SubstTemplateTypeParm:
2927	case ZigClangType_SubstTemplateTypeParmPack:
2928	case ZigClangType_TemplateSpecialization:
2929	case ZigClangType_Auto:
2930	case ZigClangType_InjectedClassName:
2931	case ZigClangType_DependentName:
2932	case ZigClangType_DependentTemplateSpecialization:
2933	case ZigClangType_PackExpansion:
2934	case ZigClangType_ObjCObject:
2935	case ZigClangType_ObjCInterface:
2936	case ZigClangType_Complex:
2937	case ZigClangType_ObjCObjectPointer:
2938	case ZigClangType_Atomic:
2939	case ZigClangType_Pipe:
2940	case ZigClangType_ObjCTypeParam:
2941	case ZigClangType_DeducedTemplateSpecialization:
2942	case ZigClangType_DependentAddressSpace:
2943	case ZigClangType_DependentVector:
2944	case ZigClangType_MacroQualified:
2945	return res;
2946	}
2947	zig_unreachable();
2948	}
2949
2950	static AstNode trans_while_loop(Context c, TransScope scope, const ZigClangWhileStmt stmt) {
2951	TransScopeWhile *while_scope = trans_scope_while_create(c, scope);
2952
2953	while_scope->node->data.while_expr.condition = trans_bool_expr(c, ResultUsedYes, scope,
2954	ZigClangWhileStmt_getCond(stmt), TransRValue);
2955	if (while_scope->node->data.while_expr.condition == nullptr)
2956	return nullptr;
2957
2958	TransScope *body_scope = trans_stmt(c, &while_scope->base, ZigClangWhileStmt_getBody(stmt),
2959	&while_scope->node->data.while_expr.body);
2960	if (body_scope == nullptr)
2961	return nullptr;
2962
2963	return while_scope->node;
2964	}
2965
2966	static AstNode trans_if_statement(Context c, TransScope scope, const ZigClangIfStmt stmt) {
2967	// if (c) t
2968	// if (c) t else e
2969	AstNode *if_node = trans_create_node(c, NodeTypeIfBoolExpr);
2970
2971	TransScope *then_scope = trans_stmt(c, scope, ZigClangIfStmt_getThen(stmt), &if_node->data.if_bool_expr.then_block);
2972	if (then_scope == nullptr)
2973	return nullptr;
2974
2975	if (ZigClangIfStmt_getElse(stmt) != nullptr) {
2976	TransScope *else_scope = trans_stmt(c, scope, ZigClangIfStmt_getElse(stmt), &if_node->data.if_bool_expr.else_node);
2977	if (else_scope == nullptr)
2978	return nullptr;
2979	}
2980
2981	if_node->data.if_bool_expr.condition = trans_bool_expr(c, ResultUsedYes, scope, ZigClangIfStmt_getCond(stmt),
2982	TransRValue);
2983	if (if_node->data.if_bool_expr.condition == nullptr)
2984	return nullptr;
2985
2986	return if_node;
2987	}
2988
2989	static AstNode trans_call_expr(Context c, ResultUsed result_used, TransScope scope, const ZigClangCallExpr stmt) {
2990	AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
2991
2992	AstNode *callee_raw_node = trans_expr(c, ResultUsedYes, scope, ZigClangCallExpr_getCallee(stmt), TransRValue);
2993	if (callee_raw_node == nullptr)
2994	return nullptr;
2995
2996	bool is_ptr = false;
2997	const ZigClangFunctionProtoType *fn_ty = qual_type_get_fn_proto(
2998	ZigClangExpr_getType(ZigClangCallExpr_getCallee(stmt)), &is_ptr);
2999	AstNode *callee_node = nullptr;
3000	if (is_ptr && fn_ty) {
3001	if (ZigClangExpr_getStmtClass(ZigClangCallExpr_getCallee(stmt)) == ZigClangStmt_ImplicitCastExprClass) {
3002	const ZigClangImplicitCastExpr implicit_cast = reinterpret_cast<const ZigClangImplicitCastExpr >(
3003	ZigClangCallExpr_getCallee(stmt));
3004	if (ZigClangImplicitCastExpr_getCastKind(implicit_cast) == ZigClangCK_FunctionToPointerDecay) {
3005	const ZigClangExpr *subexpr = ZigClangImplicitCastExpr_getSubExpr(implicit_cast);
3006	if (ZigClangExpr_getStmtClass(subexpr) == ZigClangStmt_DeclRefExprClass) {
3007	const ZigClangDeclRefExpr decl_ref = reinterpret_cast<const ZigClangDeclRefExpr >(subexpr);
3008	const ZigClangNamedDecl *named_decl = ZigClangDeclRefExpr_getFoundDecl(decl_ref);
3009	if (ZigClangDecl_getKind((const ZigClangDecl *)named_decl) == ZigClangDeclFunction) {
3010	callee_node = callee_raw_node;
3011	}
3012	}
3013	}
3014	}
3015	if (callee_node == nullptr) {
3016	callee_node = trans_create_node_unwrap_null(c, callee_raw_node);
3017	}
3018	} else {
3019	callee_node = callee_raw_node;
3020	}
3021
3022	node->data.fn_call_expr.fn_ref_expr = callee_node;
3023
3024	unsigned num_args = ZigClangCallExpr_getNumArgs(stmt);
3025	const ZigClangExpr * const* args = ZigClangCallExpr_getArgs(stmt);
3026	for (unsigned i = 0; i < num_args; i += 1) {
3027	AstNode *arg_node = trans_expr(c, ResultUsedYes, scope, args[i], TransRValue);
3028	if (arg_node == nullptr)
3029	return nullptr;
3030
3031	node->data.fn_call_expr.params.append(arg_node);
3032	}
3033
3034	if (result_used == ResultUsedNo && fn_ty &&
3035	!ZigClangType_isVoidType(qual_type_canon(ZigClangFunctionProtoType_getReturnType(fn_ty))))
3036	{
3037	node = trans_create_node_bin_op(c, trans_create_node_symbol_str(c, "_"), BinOpTypeAssign, node);
3038	}
3039
3040	return node;
3041	}
3042
3043	static AstNode trans_member_expr(Context c, ResultUsed result_used, TransScope *scope,
3044	const ZigClangMemberExpr *stmt)
3045	{
3046	AstNode *container_node = trans_expr(c, ResultUsedYes, scope, ZigClangMemberExpr_getBase(stmt), TransRValue);
3047	if (container_node == nullptr)
3048	return nullptr;
3049
3050	if (ZigClangMemberExpr_isArrow(stmt)) {
3051	container_node = trans_create_node_ptr_deref(c, container_node);
3052	}
3053
3054	const char name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl )ZigClangMemberExpr_getMemberDecl(stmt));
3055
3056	AstNode *node = trans_create_node_field_access_str(c, container_node, name);
3057	return maybe_suppress_result(c, result_used, node);
3058	}
3059
3060	static AstNode trans_array_subscript_expr(Context c, ResultUsed result_used, TransScope *scope,
3061	const ZigClangArraySubscriptExpr *stmt)
3062	{
3063	AstNode *container_node = trans_expr(c, ResultUsedYes, scope, ZigClangArraySubscriptExpr_getBase(stmt),
3064	TransRValue);
3065	if (container_node == nullptr)
3066	return nullptr;
3067
3068	AstNode *idx_node = trans_expr(c, ResultUsedYes, scope, ZigClangArraySubscriptExpr_getIdx(stmt), TransRValue);
3069	if (idx_node == nullptr)
3070	return nullptr;
3071
3072
3073	AstNode *node = trans_create_node(c, NodeTypeArrayAccessExpr);
3074	node->data.array_access_expr.array_ref_expr = container_node;
3075	node->data.array_access_expr.subscript = idx_node;
3076	return maybe_suppress_result(c, result_used, node);
3077	}
3078
3079	static AstNode trans_c_style_cast_expr(Context c, ResultUsed result_used, TransScope *scope,
3080	const ZigClangCStyleCastExpr *stmt, TransLRValue lrvalue)
3081	{
3082	AstNode *sub_expr_node = trans_expr(c, ResultUsedYes, scope, ZigClangCStyleCastExpr_getSubExpr(stmt), lrvalue);
3083	if (sub_expr_node == nullptr)
3084	return nullptr;
3085
3086	AstNode *cast = trans_c_cast(c, ZigClangCStyleCastExpr_getBeginLoc(stmt), ZigClangCStyleCastExpr_getType(stmt),
3087	ZigClangExpr_getType(ZigClangCStyleCastExpr_getSubExpr(stmt)), sub_expr_node);
3088	if (cast == nullptr)
3089	return nullptr;
3090
3091	return maybe_suppress_result(c, result_used, cast);
3092	}
3093
3094	static AstNode trans_unary_expr_or_type_trait_expr(Context c, ResultUsed result_used,
3095	TransScope scope, const ZigClangUnaryExprOrTypeTraitExpr stmt)
3096	{
3097	AstNode *type_node = trans_qual_type(c, ZigClangUnaryExprOrTypeTraitExpr_getTypeOfArgument(stmt),
3098	ZigClangUnaryExprOrTypeTraitExpr_getBeginLoc(stmt));
3099	if (type_node == nullptr)
3100	return nullptr;
3101
3102	AstNode *node = trans_create_node_builtin_fn_call_str(c, "sizeOf");
3103	node->data.fn_call_expr.params.append(type_node);
3104	return maybe_suppress_result(c, result_used, node);
3105	}
3106
3107	static AstNode trans_do_loop(Context c, TransScope parent_scope, const ZigClangDoStmt stmt) {
3108	TransScopeWhile *while_scope = trans_scope_while_create(c, parent_scope);
3109
3110	while_scope->node->data.while_expr.condition = trans_create_node_bool(c, true);
3111
3112	AstNode *body_node;
3113	TransScope *child_scope;
3114	if (ZigClangStmt_getStmtClass(ZigClangDoStmt_getBody(stmt)) == ZigClangStmt_CompoundStmtClass) {
3115	// there's already a block in C, so we'll append our condition to it.
3116	// c: do {
3117	// c: a;
3118	// c: b;
3119	// c: } while(c);
3120	// zig: while (true) {
3121	// zig: a;
3122	// zig: b;
3123	// zig: if (!cond) break;
3124	// zig: }
3125
3126	// We call the low level function so that we can set child_scope to the scope of the generated block.
3127	if (trans_stmt_extra(c, &while_scope->base, ZigClangDoStmt_getBody(stmt), ResultUsedNo, TransRValue,
3128	&body_node, nullptr, &child_scope))
3129	{
3130	return nullptr;
3131	}
3132	assert(body_node->type == NodeTypeBlock);
3133	} else {
3134	// the C statement is without a block, so we need to create a block to contain it.
3135	// c: do
3136	// c: a;
3137	// c: while(c);
3138	// zig: while (true) {
3139	// zig: a;
3140	// zig: if (!cond) break;
3141	// zig: }
3142	TransScopeBlock *child_block_scope = trans_scope_block_create(c, &while_scope->base);
3143	body_node = child_block_scope->node;
3144	AstNode *child_statement;
3145	child_scope = trans_stmt(c, &child_block_scope->base, ZigClangDoStmt_getBody(stmt), &child_statement);
3146	if (child_scope == nullptr) return nullptr;
3147	if (child_statement != nullptr) {
3148	body_node->data.block.statements.append(child_statement);
3149	}
3150	}
3151
3152	// if (!cond) break;
3153	AstNode *condition_node = trans_expr(c, ResultUsedYes, child_scope, ZigClangDoStmt_getCond(stmt), TransRValue);
3154	if (condition_node == nullptr) return nullptr;
3155	AstNode *terminator_node = trans_create_node(c, NodeTypeIfBoolExpr);
3156	terminator_node->data.if_bool_expr.condition = trans_create_node_prefix_op(c, PrefixOpBoolNot, condition_node);
3157	terminator_node->data.if_bool_expr.then_block = trans_create_node(c, NodeTypeBreak);
3158
3159	assert(terminator_node != nullptr);
3160	body_node->data.block.statements.append(terminator_node);
3161
3162	while_scope->node->data.while_expr.body = body_node;
3163
3164	return while_scope->node;
3165	}
3166
3167	static AstNode trans_for_loop(Context c, TransScope parent_scope, const ZigClangForStmt stmt) {
3168	AstNode *loop_block_node;
3169	TransScopeWhile *while_scope;
3170	TransScope *cond_scope;
3171	const ZigClangStmt *init_stmt = ZigClangForStmt_getInit(stmt);
3172	if (init_stmt == nullptr) {
3173	while_scope = trans_scope_while_create(c, parent_scope);
3174	loop_block_node = while_scope->node;
3175	cond_scope = parent_scope;
3176	} else {
3177	TransScopeBlock *child_scope = trans_scope_block_create(c, parent_scope);
3178	loop_block_node = child_scope->node;
3179
3180	AstNode *vars_node;
3181	cond_scope = trans_stmt(c, &child_scope->base, init_stmt, &vars_node);
3182	if (cond_scope == nullptr)
3183	return nullptr;
3184	if (vars_node != nullptr)
3185	child_scope->node->data.block.statements.append(vars_node);
3186
3187	while_scope = trans_scope_while_create(c, cond_scope);
3188
3189	child_scope->node->data.block.statements.append(while_scope->node);
3190	}
3191
3192	const ZigClangExpr *cond_expr = ZigClangForStmt_getCond(stmt);
3193	if (cond_expr == nullptr) {
3194	while_scope->node->data.while_expr.condition = trans_create_node_bool(c, true);
3195	} else {
3196	while_scope->node->data.while_expr.condition = trans_bool_expr(c, ResultUsedYes, cond_scope,
3197	cond_expr, TransRValue);
3198
3199	if (while_scope->node->data.while_expr.condition == nullptr)
3200	return nullptr;
3201	}
3202
3203	const ZigClangExpr *inc_expr = ZigClangForStmt_getInc(stmt);
3204	if (inc_expr != nullptr) {
3205	AstNode *inc_node = trans_expr(c, ResultUsedNo, cond_scope, inc_expr, TransRValue);
3206	if (inc_node == nullptr)
3207	return nullptr;
3208	while_scope->node->data.while_expr.continue_expr = inc_node;
3209	}
3210
3211	AstNode *body_statement;
3212	TransScope *body_scope = trans_stmt(c, &while_scope->base, ZigClangForStmt_getBody(stmt), &body_statement);
3213	if (body_scope == nullptr)
3214	return nullptr;
3215
3216	if (body_statement == nullptr) {
3217	while_scope->node->data.while_expr.body = trans_create_node(c, NodeTypeBlock);
3218	} else {
3219	while_scope->node->data.while_expr.body = body_statement;
3220	}
3221
3222	return loop_block_node;
3223	}
3224
3225	static AstNode trans_switch_stmt(Context c, TransScope parent_scope, const ZigClangSwitchStmt stmt) {
3226	TransScopeBlock *block_scope = trans_scope_block_create(c, parent_scope);
3227
3228	TransScopeSwitch *switch_scope;
3229
3230	const ZigClangDeclStmt *var_decl_stmt = ZigClangSwitchStmt_getConditionVariableDeclStmt(stmt);
3231	if (var_decl_stmt == nullptr) {
3232	switch_scope = trans_scope_switch_create(c, &block_scope->base);
3233	} else {
3234	AstNode *vars_node;
3235	TransScope var_scope = trans_stmt(c, &block_scope->base, (const ZigClangStmt )var_decl_stmt, &vars_node);
3236	if (var_scope == nullptr)
3237	return nullptr;
3238	if (vars_node != nullptr)
3239	block_scope->node->data.block.statements.append(vars_node);
3240	switch_scope = trans_scope_switch_create(c, var_scope);
3241	}
3242	block_scope->node->data.block.statements.append(switch_scope->switch_node);
3243
3244	// TODO avoid name collisions
3245	Buf *end_label_name = buf_create_from_str("__switch");
3246	switch_scope->end_label_name = end_label_name;
3247	block_scope->node->data.block.name = end_label_name;
3248
3249	const ZigClangExpr *cond_expr = ZigClangSwitchStmt_getCond(stmt);
3250	assert(cond_expr != nullptr);
3251
3252	AstNode *expr_node = trans_expr(c, ResultUsedYes, &block_scope->base, cond_expr, TransRValue);
3253	if (expr_node == nullptr)
3254	return nullptr;
3255	switch_scope->switch_node->data.switch_expr.expr = expr_node;
3256
3257	AstNode *body_node;
3258	const ZigClangStmt *body_stmt = ZigClangSwitchStmt_getBody(stmt);
3259	if (ZigClangStmt_getStmtClass(body_stmt) == ZigClangStmt_CompoundStmtClass) {
3260	if (trans_compound_stmt_inline(c, &switch_scope->base, (const ZigClangCompoundStmt *)body_stmt,
3261	block_scope->node, nullptr))
3262	{
3263	return nullptr;
3264	}
3265	} else {
3266	TransScope *body_scope = trans_stmt(c, &switch_scope->base, body_stmt, &body_node);
3267	if (body_scope == nullptr)
3268	return nullptr;
3269	if (body_node != nullptr)
3270	block_scope->node->data.block.statements.append(body_node);
3271	}
3272
3273	if (!switch_scope->found_default && !ZigClangSwitchStmt_isAllEnumCasesCovered(stmt)) {
3274	AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng);
3275	prong_node->data.switch_prong.expr = trans_create_node_break(c, end_label_name, nullptr);
3276	switch_scope->switch_node->data.switch_expr.prongs.append(prong_node);
3277	}
3278
3279	return block_scope->node;
3280	}
3281
3282	static TransScopeSwitch trans_scope_switch_find(TransScope scope) {
3283	while (scope != nullptr) {
3284	if (scope->id == TransScopeIdSwitch) {
3285	return (TransScopeSwitch *)scope;
3286	}
3287	scope = scope->parent;
3288	}
3289	return nullptr;
3290	}
3291
3292	static int trans_switch_case(Context c, TransScope parent_scope, const ZigClangCaseStmt stmt, AstNode *out_node,
3293	TransScope **out_scope) {
3294	*out_node = nullptr;
3295
3296	if (ZigClangCaseStmt_getRHS(stmt) != nullptr) {
3297	emit_warning(c, ZigClangCaseStmt_getBeginLoc(stmt), "TODO support GNU switch case a ... b extension");
3298	return ErrorUnexpected;
3299	}
3300
3301	TransScopeSwitch *switch_scope = trans_scope_switch_find(parent_scope);
3302	assert(switch_scope != nullptr);
3303
3304	Buf *label_name = buf_sprintf("__case_%" PRIu32, switch_scope->case_index);
3305	switch_scope->case_index += 1;
3306
3307	{
3308	// Add the prong
3309	AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng);
3310	AstNode *item_node = trans_expr(c, ResultUsedYes, &switch_scope->base, ZigClangCaseStmt_getLHS(stmt),
3311	TransRValue);
3312	if (item_node == nullptr)
3313	return ErrorUnexpected;
3314	prong_node->data.switch_prong.items.append(item_node);
3315	prong_node->data.switch_prong.expr = trans_create_node_break(c, label_name, nullptr);
3316	switch_scope->switch_node->data.switch_expr.prongs.append(prong_node);
3317	}
3318
3319	TransScopeBlock *scope_block = trans_scope_block_find(parent_scope);
3320
3321	AstNode *case_block = trans_create_node(c, NodeTypeBlock);
3322	case_block->data.block.name = label_name;
3323	case_block->data.block.statements = scope_block->node->data.block.statements;
3324	scope_block->node->data.block.statements = {0};
3325	scope_block->node->data.block.statements.append(case_block);
3326
3327	AstNode *sub_stmt_node;
3328	TransScope *new_scope = trans_stmt(c, parent_scope, ZigClangCaseStmt_getSubStmt(stmt), &sub_stmt_node);
3329	if (new_scope == nullptr)
3330	return ErrorUnexpected;
3331	if (sub_stmt_node != nullptr)
3332	scope_block->node->data.block.statements.append(sub_stmt_node);
3333
3334	*out_scope = new_scope;
3335	return ErrorNone;
3336	}
3337
3338	static int trans_switch_default(Context c, TransScope parent_scope, const ZigClangDefaultStmt *stmt,
3339	AstNode out_node, TransScope out_scope)
3340	{
3341	*out_node = nullptr;
3342
3343	TransScopeSwitch *switch_scope = trans_scope_switch_find(parent_scope);
3344	assert(switch_scope != nullptr);
3345
3346	Buf *label_name = buf_sprintf("__default");
3347
3348	{
3349	// Add the prong
3350	AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng);
3351	prong_node->data.switch_prong.expr = trans_create_node_break(c, label_name, nullptr);
3352	switch_scope->switch_node->data.switch_expr.prongs.append(prong_node);
3353	switch_scope->found_default = true;
3354	}
3355
3356	TransScopeBlock *scope_block = trans_scope_block_find(parent_scope);
3357
3358	AstNode *case_block = trans_create_node(c, NodeTypeBlock);
3359	case_block->data.block.name = label_name;
3360	case_block->data.block.statements = scope_block->node->data.block.statements;
3361	scope_block->node->data.block.statements = {0};
3362	scope_block->node->data.block.statements.append(case_block);
3363
3364	AstNode *sub_stmt_node;
3365	TransScope *new_scope = trans_stmt(c, parent_scope, ZigClangDefaultStmt_getSubStmt(stmt), &sub_stmt_node);
3366	if (new_scope == nullptr)
3367	return ErrorUnexpected;
3368	if (sub_stmt_node != nullptr)
3369	scope_block->node->data.block.statements.append(sub_stmt_node);
3370
3371	*out_scope = new_scope;
3372	return ErrorNone;
3373	}
3374
3375	static AstNode trans_string_literal(Context c, ResultUsed result_used, TransScope *scope,
3376	const ZigClangStringLiteral *stmt)
3377	{
3378	switch (ZigClangStringLiteral_getKind(stmt)) {
3379	case ZigClangStringLiteral_StringKind_Ascii:
3380	case ZigClangStringLiteral_StringKind_UTF8: {
3381	size_t str_len;
3382	const char *str_ptr = ZigClangStringLiteral_getString_bytes_begin_size(stmt, &str_len);
3383	AstNode *node = trans_create_node_str_lit(c, buf_create_from_mem(str_ptr, str_len));
3384	return maybe_suppress_result(c, result_used, node);
3385	}
3386	case ZigClangStringLiteral_StringKind_UTF16:
3387	emit_warning(c, ZigClangStmt_getBeginLoc((const ZigClangStmt *)stmt), "TODO support UTF16 string literals");
3388	return nullptr;
3389	case ZigClangStringLiteral_StringKind_UTF32:
3390	emit_warning(c, ZigClangStmt_getBeginLoc((const ZigClangStmt *)stmt), "TODO support UTF32 string literals");
3391	return nullptr;
3392	case ZigClangStringLiteral_StringKind_Wide:
3393	emit_warning(c, ZigClangStmt_getBeginLoc((const ZigClangStmt *)stmt), "TODO support wide string literals");
3394	return nullptr;
3395	}
3396	zig_unreachable();
3397	}
3398
3399	static AstNode trans_break_stmt(Context c, TransScope scope, const ZigClangBreakStmt stmt) {
3400	TransScope *cur_scope = scope;
3401	while (cur_scope != nullptr) {
3402	if (cur_scope->id == TransScopeIdWhile) {
3403	return trans_create_node(c, NodeTypeBreak);
3404	} else if (cur_scope->id == TransScopeIdSwitch) {
3405	TransScopeSwitch switch_scope = (TransScopeSwitch )cur_scope;
3406	return trans_create_node_break(c, switch_scope->end_label_name, nullptr);
3407	}
3408	cur_scope = cur_scope->parent;
3409	}
3410	zig_unreachable();
3411	}
3412
3413	static AstNode trans_continue_stmt(Context c, TransScope scope, const ZigClangContinueStmt stmt) {
3414	return trans_create_node(c, NodeTypeContinue);
3415	}
3416
3417	static AstNode trans_predefined_expr(Context c, ResultUsed result_used, TransScope *scope,
3418	const ZigClangPredefinedExpr *expr)
3419	{
3420	return trans_string_literal(c, result_used, scope, ZigClangPredefinedExpr_getFunctionName(expr));
3421	}
3422
3423	static int wrap_stmt(AstNode out_node, TransScope out_scope, TransScope in_scope, AstNode result_node) {
3424	if (result_node == nullptr)
3425	return ErrorUnexpected;
3426	*out_node = result_node;
3427	if (out_scope != nullptr)
3428	*out_scope = in_scope;
3429	return ErrorNone;
3430	}
3431
3432	static int trans_stmt_extra(Context c, TransScope scope, const ZigClangStmt *stmt,
3433	ResultUsed result_used, TransLRValue lrvalue,
3434	AstNode out_node, TransScope out_child_scope,
3435	TransScope **out_node_scope)
3436	{
3437	ZigClangStmtClass sc = ZigClangStmt_getStmtClass(stmt);
3438	switch (sc) {
3439	case ZigClangStmt_ReturnStmtClass:
3440	return wrap_stmt(out_node, out_child_scope, scope,
3441	trans_return_stmt(c, scope, (const ZigClangReturnStmt *)stmt));
3442	case ZigClangStmt_CompoundStmtClass:
3443	return wrap_stmt(out_node, out_child_scope, scope,
3444	trans_compound_stmt(c, scope, (const ZigClangCompoundStmt *)stmt, out_node_scope));
3445	case ZigClangStmt_IntegerLiteralClass:
3446	return wrap_stmt(out_node, out_child_scope, scope,
3447	trans_integer_literal(c, result_used, (const ZigClangIntegerLiteral *)stmt));
3448	case ZigClangStmt_ConditionalOperatorClass:
3449	return wrap_stmt(out_node, out_child_scope, scope,
3450	trans_conditional_operator(c, result_used, scope, (const ZigClangConditionalOperator *)stmt));
3451	case ZigClangStmt_BinaryOperatorClass:
3452	return wrap_stmt(out_node, out_child_scope, scope,
3453	trans_binary_operator(c, result_used, scope, (const ZigClangBinaryOperator *)stmt));
3454	case ZigClangStmt_CompoundAssignOperatorClass:
3455	return wrap_stmt(out_node, out_child_scope, scope,
3456	trans_compound_assign_operator(c, result_used, scope, (const ZigClangCompoundAssignOperator *)stmt));
3457	case ZigClangStmt_ImplicitCastExprClass:
3458	return wrap_stmt(out_node, out_child_scope, scope,
3459	trans_implicit_cast_expr(c, result_used, scope, (const ZigClangImplicitCastExpr *)stmt));
3460	case ZigClangStmt_DeclRefExprClass:
3461	return wrap_stmt(out_node, out_child_scope, scope,
3462	trans_decl_ref_expr(c, scope, (const ZigClangDeclRefExpr *)stmt, lrvalue));
3463	case ZigClangStmt_UnaryOperatorClass:
3464	return wrap_stmt(out_node, out_child_scope, scope,
3465	trans_unary_operator(c, result_used, scope, (const ZigClangUnaryOperator *)stmt));
3466	case ZigClangStmt_DeclStmtClass:
3467	return trans_local_declaration(c, scope, (const ZigClangDeclStmt *)stmt, out_node, out_child_scope);
3468	case ZigClangStmt_DoStmtClass:
3469	case ZigClangStmt_WhileStmtClass: {
3470	AstNode *while_node = sc == ZigClangStmt_DoStmtClass
3471	? trans_do_loop(c, scope, (const ZigClangDoStmt *)stmt)
3472	: trans_while_loop(c, scope, (const ZigClangWhileStmt *)stmt);
3473
3474	if (while_node == nullptr)
3475	return ErrorUnexpected;
3476
3477	assert(while_node->type == NodeTypeWhileExpr);
3478	if (while_node->data.while_expr.body == nullptr)
3479	while_node->data.while_expr.body = trans_create_node(c, NodeTypeBlock);
3480
3481	return wrap_stmt(out_node, out_child_scope, scope, while_node);
3482	}
3483	case ZigClangStmt_IfStmtClass:
3484	return wrap_stmt(out_node, out_child_scope, scope,
3485	trans_if_statement(c, scope, (const ZigClangIfStmt *)stmt));
3486	case ZigClangStmt_CallExprClass:
3487	return wrap_stmt(out_node, out_child_scope, scope,
3488	trans_call_expr(c, result_used, scope, (const ZigClangCallExpr *)stmt));
3489	case ZigClangStmt_NullStmtClass:
3490	*out_node = trans_create_node(c, NodeTypeBlock);
3491	*out_child_scope = scope;
3492	return ErrorNone;
3493	case ZigClangStmt_MemberExprClass:
3494	return wrap_stmt(out_node, out_child_scope, scope,
3495	trans_member_expr(c, result_used, scope, (const ZigClangMemberExpr *)stmt));
3496	case ZigClangStmt_ArraySubscriptExprClass:
3497	return wrap_stmt(out_node, out_child_scope, scope,
3498	trans_array_subscript_expr(c, result_used, scope, (const ZigClangArraySubscriptExpr *)stmt));
3499	case ZigClangStmt_CStyleCastExprClass:
3500	return wrap_stmt(out_node, out_child_scope, scope,
3501	trans_c_style_cast_expr(c, result_used, scope, (const ZigClangCStyleCastExpr *)stmt, lrvalue));
3502	case ZigClangStmt_UnaryExprOrTypeTraitExprClass:
3503	return wrap_stmt(out_node, out_child_scope, scope,
3504	trans_unary_expr_or_type_trait_expr(c, result_used, scope, (const ZigClangUnaryExprOrTypeTraitExpr *)stmt));
3505	case ZigClangStmt_ForStmtClass: {
3506	AstNode node = trans_for_loop(c, scope, (const ZigClangForStmt )stmt);
3507	return wrap_stmt(out_node, out_child_scope, scope, node);
3508	}
3509	case ZigClangStmt_StringLiteralClass:
3510	return wrap_stmt(out_node, out_child_scope, scope,
3511	trans_string_literal(c, result_used, scope, (const ZigClangStringLiteral *)stmt));
3512	case ZigClangStmt_BreakStmtClass:
3513	return wrap_stmt(out_node, out_child_scope, scope,
3514	trans_break_stmt(c, scope, (const ZigClangBreakStmt *)stmt));
3515	case ZigClangStmt_ContinueStmtClass:
3516	return wrap_stmt(out_node, out_child_scope, scope,
3517	trans_continue_stmt(c, scope, (const ZigClangContinueStmt *)stmt));
3518	case ZigClangStmt_ParenExprClass:
3519	return wrap_stmt(out_node, out_child_scope, scope,
3520	trans_expr(c, result_used, scope,
3521	ZigClangParenExpr_getSubExpr((const ZigClangParenExpr *)stmt), lrvalue));
3522	case ZigClangStmt_SwitchStmtClass:
3523	return wrap_stmt(out_node, out_child_scope, scope,
3524	trans_switch_stmt(c, scope, (const ZigClangSwitchStmt *)stmt));
3525	case ZigClangStmt_CaseStmtClass:
3526	return trans_switch_case(c, scope, (const ZigClangCaseStmt *)stmt, out_node, out_child_scope);
3527	case ZigClangStmt_DefaultStmtClass:
3528	return trans_switch_default(c, scope, (const ZigClangDefaultStmt *)stmt, out_node, out_child_scope);
3529	case ZigClangStmt_ConstantExprClass:
3530	return wrap_stmt(out_node, out_child_scope, scope,
3531	trans_constant_expr(c, result_used, (const ZigClangConstantExpr *)stmt));
3532	case ZigClangStmt_PredefinedExprClass:
3533	return wrap_stmt(out_node, out_child_scope, scope,
3534	trans_predefined_expr(c, result_used, scope, (const ZigClangPredefinedExpr *)stmt));
3535	case ZigClangStmt_StmtExprClass:
3536	return wrap_stmt(out_node, out_child_scope, scope,
3537	trans_stmt_expr(c, result_used, scope, (const ZigClangStmtExpr *)stmt, out_node_scope));
3538	case ZigClangStmt_NoStmtClass:
3539	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C NoStmtClass");
3540	return ErrorUnexpected;
3541	case ZigClangStmt_GCCAsmStmtClass:
3542	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GCCAsmStmtClass");
3543	return ErrorUnexpected;
3544	case ZigClangStmt_MSAsmStmtClass:
3545	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSAsmStmtClass");
3546	return ErrorUnexpected;
3547	case ZigClangStmt_AttributedStmtClass:
3548	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AttributedStmtClass");
3549	return ErrorUnexpected;
3550	case ZigClangStmt_CXXCatchStmtClass:
3551	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXCatchStmtClass");
3552	return ErrorUnexpected;
3553	case ZigClangStmt_CXXForRangeStmtClass:
3554	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXForRangeStmtClass");
3555	return ErrorUnexpected;
3556	case ZigClangStmt_CXXTryStmtClass:
3557	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXTryStmtClass");
3558	return ErrorUnexpected;
3559	case ZigClangStmt_CapturedStmtClass:
3560	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CapturedStmtClass");
3561	return ErrorUnexpected;
3562	case ZigClangStmt_CoreturnStmtClass:
3563	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoreturnStmtClass");
3564	return ErrorUnexpected;
3565	case ZigClangStmt_CoroutineBodyStmtClass:
3566	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoroutineBodyStmtClass");
3567	return ErrorUnexpected;
3568	case ZigClangStmt_BinaryConditionalOperatorClass:
3569	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C BinaryConditionalOperatorClass");
3570	return ErrorUnexpected;
3571	case ZigClangStmt_AddrLabelExprClass:
3572	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AddrLabelExprClass");
3573	return ErrorUnexpected;
3574	case ZigClangStmt_ArrayInitIndexExprClass:
3575	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ArrayInitIndexExprClass");
3576	return ErrorUnexpected;
3577	case ZigClangStmt_ArrayInitLoopExprClass:
3578	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ArrayInitLoopExprClass");
3579	return ErrorUnexpected;
3580	case ZigClangStmt_ArrayTypeTraitExprClass:
3581	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ArrayTypeTraitExprClass");
3582	return ErrorUnexpected;
3583	case ZigClangStmt_AsTypeExprClass:
3584	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AsTypeExprClass");
3585	return ErrorUnexpected;
3586	case ZigClangStmt_AtomicExprClass:
3587	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AtomicExprClass");
3588	return ErrorUnexpected;
3589	case ZigClangStmt_BlockExprClass:
3590	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C BlockExprClass");
3591	return ErrorUnexpected;
3592	case ZigClangStmt_CXXBindTemporaryExprClass:
3593	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXBindTemporaryExprClass");
3594	return ErrorUnexpected;
3595	case ZigClangStmt_CXXBoolLiteralExprClass:
3596	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXBoolLiteralExprClass");
3597	return ErrorUnexpected;
3598	case ZigClangStmt_CXXConstructExprClass:
3599	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXConstructExprClass");
3600	return ErrorUnexpected;
3601	case ZigClangStmt_CXXTemporaryObjectExprClass:
3602	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXTemporaryObjectExprClass");
3603	return ErrorUnexpected;
3604	case ZigClangStmt_CXXDefaultArgExprClass:
3605	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDefaultArgExprClass");
3606	return ErrorUnexpected;
3607	case ZigClangStmt_CXXDefaultInitExprClass:
3608	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDefaultInitExprClass");
3609	return ErrorUnexpected;
3610	case ZigClangStmt_CXXDeleteExprClass:
3611	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDeleteExprClass");
3612	return ErrorUnexpected;
3613	case ZigClangStmt_CXXDependentScopeMemberExprClass:
3614	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDependentScopeMemberExprClass");
3615	return ErrorUnexpected;
3616	case ZigClangStmt_CXXFoldExprClass:
3617	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXFoldExprClass");
3618	return ErrorUnexpected;
3619	case ZigClangStmt_CXXInheritedCtorInitExprClass:
3620	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXInheritedCtorInitExprClass");
3621	return ErrorUnexpected;
3622	case ZigClangStmt_CXXNewExprClass:
3623	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXNewExprClass");
3624	return ErrorUnexpected;
3625	case ZigClangStmt_CXXNoexceptExprClass:
3626	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXNoexceptExprClass");
3627	return ErrorUnexpected;
3628	case ZigClangStmt_CXXNullPtrLiteralExprClass:
3629	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXNullPtrLiteralExprClass");
3630	return ErrorUnexpected;
3631	case ZigClangStmt_CXXPseudoDestructorExprClass:
3632	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXPseudoDestructorExprClass");
3633	return ErrorUnexpected;
3634	case ZigClangStmt_CXXScalarValueInitExprClass:
3635	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXScalarValueInitExprClass");
3636	return ErrorUnexpected;
3637	case ZigClangStmt_CXXStdInitializerListExprClass:
3638	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXStdInitializerListExprClass");
3639	return ErrorUnexpected;
3640	case ZigClangStmt_CXXThisExprClass:
3641	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXThisExprClass");
3642	return ErrorUnexpected;
3643	case ZigClangStmt_CXXThrowExprClass:
3644	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXThrowExprClass");
3645	return ErrorUnexpected;
3646	case ZigClangStmt_CXXTypeidExprClass:
3647	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXTypeidExprClass");
3648	return ErrorUnexpected;
3649	case ZigClangStmt_CXXUnresolvedConstructExprClass:
3650	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXUnresolvedConstructExprClass");
3651	return ErrorUnexpected;
3652	case ZigClangStmt_CXXUuidofExprClass:
3653	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXUuidofExprClass");
3654	return ErrorUnexpected;
3655	case ZigClangStmt_CUDAKernelCallExprClass:
3656	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CUDAKernelCallExprClass");
3657	return ErrorUnexpected;
3658	case ZigClangStmt_CXXMemberCallExprClass:
3659	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXMemberCallExprClass");
3660	return ErrorUnexpected;
3661	case ZigClangStmt_CXXOperatorCallExprClass:
3662	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXOperatorCallExprClass");
3663	return ErrorUnexpected;
3664	case ZigClangStmt_UserDefinedLiteralClass:
3665	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C UserDefinedLiteralClass");
3666	return ErrorUnexpected;
3667	case ZigClangStmt_CXXFunctionalCastExprClass:
3668	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXFunctionalCastExprClass");
3669	return ErrorUnexpected;
3670	case ZigClangStmt_CXXConstCastExprClass:
3671	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXConstCastExprClass");
3672	return ErrorUnexpected;
3673	case ZigClangStmt_CXXDynamicCastExprClass:
3674	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDynamicCastExprClass");
3675	return ErrorUnexpected;
3676	case ZigClangStmt_CXXReinterpretCastExprClass:
3677	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXReinterpretCastExprClass");
3678	return ErrorUnexpected;
3679	case ZigClangStmt_CXXStaticCastExprClass:
3680	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXStaticCastExprClass");
3681	return ErrorUnexpected;
3682	case ZigClangStmt_ObjCBridgedCastExprClass:
3683	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCBridgedCastExprClass");
3684	return ErrorUnexpected;
3685	case ZigClangStmt_CharacterLiteralClass:
3686	return wrap_stmt(out_node, out_child_scope, scope,
3687	trans_character_literal(c, result_used, (const ZigClangCharacterLiteral *)stmt));
3688	return ErrorUnexpected;
3689	case ZigClangStmt_ChooseExprClass:
3690	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ChooseExprClass");
3691	return ErrorUnexpected;
3692	case ZigClangStmt_CompoundLiteralExprClass:
3693	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CompoundLiteralExprClass");
3694	return ErrorUnexpected;
3695	case ZigClangStmt_ConvertVectorExprClass:
3696	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ConvertVectorExprClass");
3697	return ErrorUnexpected;
3698	case ZigClangStmt_CoawaitExprClass:
3699	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoawaitExprClass");
3700	return ErrorUnexpected;
3701	case ZigClangStmt_CoyieldExprClass:
3702	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoyieldExprClass");
3703	return ErrorUnexpected;
3704	case ZigClangStmt_DependentCoawaitExprClass:
3705	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DependentCoawaitExprClass");
3706	return ErrorUnexpected;
3707	case ZigClangStmt_DependentScopeDeclRefExprClass:
3708	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DependentScopeDeclRefExprClass");
3709	return ErrorUnexpected;
3710	case ZigClangStmt_DesignatedInitExprClass:
3711	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DesignatedInitExprClass");
3712	return ErrorUnexpected;
3713	case ZigClangStmt_DesignatedInitUpdateExprClass:
3714	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DesignatedInitUpdateExprClass");
3715	return ErrorUnexpected;
3716	case ZigClangStmt_ExpressionTraitExprClass:
3717	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ExpressionTraitExprClass");
3718	return ErrorUnexpected;
3719	case ZigClangStmt_ExtVectorElementExprClass:
3720	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ExtVectorElementExprClass");
3721	return ErrorUnexpected;
3722	case ZigClangStmt_FixedPointLiteralClass:
3723	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C FixedPointLiteralClass");
3724	return ErrorUnexpected;
3725	case ZigClangStmt_FloatingLiteralClass:
3726	return wrap_stmt(out_node, out_child_scope, scope,
3727	trans_floating_literal(c, result_used, (const ZigClangFloatingLiteral *)stmt));
3728	case ZigClangStmt_ExprWithCleanupsClass:
3729	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ExprWithCleanupsClass");
3730	return ErrorUnexpected;
3731	case ZigClangStmt_FunctionParmPackExprClass:
3732	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C FunctionParmPackExprClass");
3733	return ErrorUnexpected;
3734	case ZigClangStmt_GNUNullExprClass:
3735	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GNUNullExprClass");
3736	return ErrorUnexpected;
3737	case ZigClangStmt_GenericSelectionExprClass:
3738	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GenericSelectionExprClass");
3739	return ErrorUnexpected;
3740	case ZigClangStmt_ImaginaryLiteralClass:
3741	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ImaginaryLiteralClass");
3742	return ErrorUnexpected;
3743	case ZigClangStmt_ImplicitValueInitExprClass:
3744	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ImplicitValueInitExprClass");
3745	return ErrorUnexpected;
3746	case ZigClangStmt_InitListExprClass:
3747	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C InitListExprClass");
3748	return ErrorUnexpected;
3749	case ZigClangStmt_LambdaExprClass:
3750	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C LambdaExprClass");
3751	return ErrorUnexpected;
3752	case ZigClangStmt_MSPropertyRefExprClass:
3753	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSPropertyRefExprClass");
3754	return ErrorUnexpected;
3755	case ZigClangStmt_MSPropertySubscriptExprClass:
3756	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSPropertySubscriptExprClass");
3757	return ErrorUnexpected;
3758	case ZigClangStmt_MaterializeTemporaryExprClass:
3759	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MaterializeTemporaryExprClass");
3760	return ErrorUnexpected;
3761	case ZigClangStmt_NoInitExprClass:
3762	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C NoInitExprClass");
3763	return ErrorUnexpected;
3764	case ZigClangStmt_OMPArraySectionExprClass:
3765	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPArraySectionExprClass");
3766	return ErrorUnexpected;
3767	case ZigClangStmt_ObjCArrayLiteralClass:
3768	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCArrayLiteralClass");
3769	return ErrorUnexpected;
3770	case ZigClangStmt_ObjCAvailabilityCheckExprClass:
3771	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAvailabilityCheckExprClass");
3772	return ErrorUnexpected;
3773	case ZigClangStmt_ObjCBoolLiteralExprClass:
3774	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCBoolLiteralExprClass");
3775	return ErrorUnexpected;
3776	case ZigClangStmt_ObjCBoxedExprClass:
3777	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCBoxedExprClass");
3778	return ErrorUnexpected;
3779	case ZigClangStmt_ObjCDictionaryLiteralClass:
3780	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCDictionaryLiteralClass");
3781	return ErrorUnexpected;
3782	case ZigClangStmt_ObjCEncodeExprClass:
3783	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCEncodeExprClass");
3784	return ErrorUnexpected;
3785	case ZigClangStmt_ObjCIndirectCopyRestoreExprClass:
3786	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCIndirectCopyRestoreExprClass");
3787	return ErrorUnexpected;
3788	case ZigClangStmt_ObjCIsaExprClass:
3789	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCIsaExprClass");
3790	return ErrorUnexpected;
3791	case ZigClangStmt_ObjCIvarRefExprClass:
3792	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCIvarRefExprClass");
3793	return ErrorUnexpected;
3794	case ZigClangStmt_ObjCMessageExprClass:
3795	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCMessageExprClass");
3796	return ErrorUnexpected;
3797	case ZigClangStmt_ObjCPropertyRefExprClass:
3798	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCPropertyRefExprClass");
3799	return ErrorUnexpected;
3800	case ZigClangStmt_ObjCProtocolExprClass:
3801	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCProtocolExprClass");
3802	return ErrorUnexpected;
3803	case ZigClangStmt_ObjCSelectorExprClass:
3804	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCSelectorExprClass");
3805	return ErrorUnexpected;
3806	case ZigClangStmt_ObjCStringLiteralClass:
3807	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCStringLiteralClass");
3808	return ErrorUnexpected;
3809	case ZigClangStmt_ObjCSubscriptRefExprClass:
3810	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCSubscriptRefExprClass");
3811	return ErrorUnexpected;
3812	case ZigClangStmt_OffsetOfExprClass:
3813	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OffsetOfExprClass");
3814	return ErrorUnexpected;
3815	case ZigClangStmt_OpaqueValueExprClass:
3816	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OpaqueValueExprClass");
3817	return ErrorUnexpected;
3818	case ZigClangStmt_UnresolvedLookupExprClass:
3819	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C UnresolvedLookupExprClass");
3820	return ErrorUnexpected;
3821	case ZigClangStmt_UnresolvedMemberExprClass:
3822	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C UnresolvedMemberExprClass");
3823	return ErrorUnexpected;
3824	case ZigClangStmt_PackExpansionExprClass:
3825	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C PackExpansionExprClass");
3826	return ErrorUnexpected;
3827	case ZigClangStmt_ParenListExprClass:
3828	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ParenListExprClass");
3829	return ErrorUnexpected;
3830	case ZigClangStmt_PseudoObjectExprClass:
3831	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C PseudoObjectExprClass");
3832	return ErrorUnexpected;
3833	case ZigClangStmt_ShuffleVectorExprClass:
3834	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ShuffleVectorExprClass");
3835	return ErrorUnexpected;
3836	case ZigClangStmt_SizeOfPackExprClass:
3837	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SizeOfPackExprClass");
3838	return ErrorUnexpected;
3839	case ZigClangStmt_SubstNonTypeTemplateParmExprClass:
3840	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SubstNonTypeTemplateParmExprClass");
3841	return ErrorUnexpected;
3842	case ZigClangStmt_SubstNonTypeTemplateParmPackExprClass:
3843	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SubstNonTypeTemplateParmPackExprClass");
3844	return ErrorUnexpected;
3845	case ZigClangStmt_TypeTraitExprClass:
3846	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C TypeTraitExprClass");
3847	return ErrorUnexpected;
3848	case ZigClangStmt_TypoExprClass:
3849	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C TypoExprClass");
3850	return ErrorUnexpected;
3851	case ZigClangStmt_VAArgExprClass:
3852	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C VAArgExprClass");
3853	return ErrorUnexpected;
3854	case ZigClangStmt_GotoStmtClass:
3855	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GotoStmtClass");
3856	return ErrorUnexpected;
3857	case ZigClangStmt_IndirectGotoStmtClass:
3858	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C IndirectGotoStmtClass");
3859	return ErrorUnexpected;
3860	case ZigClangStmt_LabelStmtClass:
3861	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C LabelStmtClass");
3862	return ErrorUnexpected;
3863	case ZigClangStmt_MSDependentExistsStmtClass:
3864	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSDependentExistsStmtClass");
3865	return ErrorUnexpected;
3866	case ZigClangStmt_OMPAtomicDirectiveClass:
3867	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPAtomicDirectiveClass");
3868	return ErrorUnexpected;
3869	case ZigClangStmt_OMPBarrierDirectiveClass:
3870	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPBarrierDirectiveClass");
3871	return ErrorUnexpected;
3872	case ZigClangStmt_OMPCancelDirectiveClass:
3873	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPCancelDirectiveClass");
3874	return ErrorUnexpected;
3875	case ZigClangStmt_OMPCancellationPointDirectiveClass:
3876	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPCancellationPointDirectiveClass");
3877	return ErrorUnexpected;
3878	case ZigClangStmt_OMPCriticalDirectiveClass:
3879	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPCriticalDirectiveClass");
3880	return ErrorUnexpected;
3881	case ZigClangStmt_OMPFlushDirectiveClass:
3882	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPFlushDirectiveClass");
3883	return ErrorUnexpected;
3884	case ZigClangStmt_OMPDistributeDirectiveClass:
3885	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeDirectiveClass");
3886	return ErrorUnexpected;
3887	case ZigClangStmt_OMPDistributeParallelForDirectiveClass:
3888	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeParallelForDirectiveClass");
3889	return ErrorUnexpected;
3890	case ZigClangStmt_OMPDistributeParallelForSimdDirectiveClass:
3891	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeParallelForSimdDirectiveClass");
3892	return ErrorUnexpected;
3893	case ZigClangStmt_OMPDistributeSimdDirectiveClass:
3894	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeSimdDirectiveClass");
3895	return ErrorUnexpected;
3896	case ZigClangStmt_OMPForDirectiveClass:
3897	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPForDirectiveClass");
3898	return ErrorUnexpected;
3899	case ZigClangStmt_OMPForSimdDirectiveClass:
3900	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPForSimdDirectiveClass");
3901	return ErrorUnexpected;
3902	case ZigClangStmt_OMPParallelForDirectiveClass:
3903	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelForDirectiveClass");
3904	return ErrorUnexpected;
3905	case ZigClangStmt_OMPParallelForSimdDirectiveClass:
3906	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelForSimdDirectiveClass");
3907	return ErrorUnexpected;
3908	case ZigClangStmt_OMPSimdDirectiveClass:
3909	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSimdDirectiveClass");
3910	return ErrorUnexpected;
3911	case ZigClangStmt_OMPTargetParallelForSimdDirectiveClass:
3912	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetParallelForSimdDirectiveClass");
3913	return ErrorUnexpected;
3914	case ZigClangStmt_OMPTargetSimdDirectiveClass:
3915	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetSimdDirectiveClass");
3916	return ErrorUnexpected;
3917	case ZigClangStmt_OMPTargetTeamsDistributeDirectiveClass:
3918	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeDirectiveClass");
3919	return ErrorUnexpected;
3920	case ZigClangStmt_OMPTargetTeamsDistributeParallelForDirectiveClass:
3921	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeParallelForDirectiveClass");
3922	return ErrorUnexpected;
3923	case ZigClangStmt_OMPTargetTeamsDistributeParallelForSimdDirectiveClass:
3924	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeParallelForSimdDirectiveClass");
3925	return ErrorUnexpected;
3926	case ZigClangStmt_OMPTargetTeamsDistributeSimdDirectiveClass:
3927	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeSimdDirectiveClass");
3928	return ErrorUnexpected;
3929	case ZigClangStmt_OMPTaskLoopDirectiveClass:
3930	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskLoopDirectiveClass");
3931	return ErrorUnexpected;
3932	case ZigClangStmt_OMPTaskLoopSimdDirectiveClass:
3933	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskLoopSimdDirectiveClass");
3934	return ErrorUnexpected;
3935	case ZigClangStmt_OMPTeamsDistributeDirectiveClass:
3936	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeDirectiveClass");
3937	return ErrorUnexpected;
3938	case ZigClangStmt_OMPTeamsDistributeParallelForDirectiveClass:
3939	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeParallelForDirectiveClass");
3940	return ErrorUnexpected;
3941	case ZigClangStmt_OMPTeamsDistributeParallelForSimdDirectiveClass:
3942	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeParallelForSimdDirectiveClass");
3943	return ErrorUnexpected;
3944	case ZigClangStmt_OMPTeamsDistributeSimdDirectiveClass:
3945	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeSimdDirectiveClass");
3946	return ErrorUnexpected;
3947	case ZigClangStmt_OMPMasterDirectiveClass:
3948	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPMasterDirectiveClass");
3949	return ErrorUnexpected;
3950	case ZigClangStmt_OMPOrderedDirectiveClass:
3951	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPOrderedDirectiveClass");
3952	return ErrorUnexpected;
3953	case ZigClangStmt_OMPParallelDirectiveClass:
3954	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelDirectiveClass");
3955	return ErrorUnexpected;
3956	case ZigClangStmt_OMPParallelSectionsDirectiveClass:
3957	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelSectionsDirectiveClass");
3958	return ErrorUnexpected;
3959	case ZigClangStmt_OMPSectionDirectiveClass:
3960	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSectionDirectiveClass");
3961	return ErrorUnexpected;
3962	case ZigClangStmt_OMPSectionsDirectiveClass:
3963	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSectionsDirectiveClass");
3964	return ErrorUnexpected;
3965	case ZigClangStmt_OMPSingleDirectiveClass:
3966	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSingleDirectiveClass");
3967	return ErrorUnexpected;
3968	case ZigClangStmt_OMPTargetDataDirectiveClass:
3969	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetDataDirectiveClass");
3970	return ErrorUnexpected;
3971	case ZigClangStmt_OMPTargetDirectiveClass:
3972	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetDirectiveClass");
3973	return ErrorUnexpected;
3974	case ZigClangStmt_OMPTargetEnterDataDirectiveClass:
3975	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetEnterDataDirectiveClass");
3976	return ErrorUnexpected;
3977	case ZigClangStmt_OMPTargetExitDataDirectiveClass:
3978	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetExitDataDirectiveClass");
3979	return ErrorUnexpected;
3980	case ZigClangStmt_OMPTargetParallelDirectiveClass:
3981	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetParallelDirectiveClass");
3982	return ErrorUnexpected;
3983	case ZigClangStmt_OMPTargetParallelForDirectiveClass:
3984	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetParallelForDirectiveClass");
3985	return ErrorUnexpected;
3986	case ZigClangStmt_OMPTargetTeamsDirectiveClass:
3987	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDirectiveClass");
3988	return ErrorUnexpected;
3989	case ZigClangStmt_OMPTargetUpdateDirectiveClass:
3990	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetUpdateDirectiveClass");
3991	return ErrorUnexpected;
3992	case ZigClangStmt_OMPTaskDirectiveClass:
3993	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskDirectiveClass");
3994	return ErrorUnexpected;
3995	case ZigClangStmt_OMPTaskgroupDirectiveClass:
3996	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskgroupDirectiveClass");
3997	return ErrorUnexpected;
3998	case ZigClangStmt_OMPTaskwaitDirectiveClass:
3999	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskwaitDirectiveClass");
4000	return ErrorUnexpected;
4001	case ZigClangStmt_OMPTaskyieldDirectiveClass:
4002	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskyieldDirectiveClass");
4003	return ErrorUnexpected;
4004	case ZigClangStmt_OMPTeamsDirectiveClass:
4005	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDirectiveClass");
4006	return ErrorUnexpected;
4007	case ZigClangStmt_ObjCAtCatchStmtClass:
4008	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtCatchStmtClass");
4009	return ErrorUnexpected;
4010	case ZigClangStmt_ObjCAtFinallyStmtClass:
4011	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtFinallyStmtClass");
4012	return ErrorUnexpected;
4013	case ZigClangStmt_ObjCAtSynchronizedStmtClass:
4014	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtSynchronizedStmtClass");
4015	return ErrorUnexpected;
4016	case ZigClangStmt_ObjCAtThrowStmtClass:
4017	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtThrowStmtClass");
4018	return ErrorUnexpected;
4019	case ZigClangStmt_ObjCAtTryStmtClass:
4020	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtTryStmtClass");
4021	return ErrorUnexpected;
4022	case ZigClangStmt_ObjCAutoreleasePoolStmtClass:
4023	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAutoreleasePoolStmtClass");
4024	return ErrorUnexpected;
4025	case ZigClangStmt_ObjCForCollectionStmtClass:
4026	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCForCollectionStmtClass");
4027	return ErrorUnexpected;
4028	case ZigClangStmt_SEHExceptStmtClass:
4029	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHExceptStmtClass");
4030	return ErrorUnexpected;
4031	case ZigClangStmt_SEHFinallyStmtClass:
4032	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHFinallyStmtClass");
4033	return ErrorUnexpected;
4034	case ZigClangStmt_SEHLeaveStmtClass:
4035	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHLeaveStmtClass");
4036	return ErrorUnexpected;
4037	case ZigClangStmt_SEHTryStmtClass:
4038	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHTryStmtClass");
4039	return ErrorUnexpected;
4040	case ZigClangStmt_BuiltinBitCastExprClass:
4041	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C BuiltinBitCastExprClass");
4042	return ErrorUnexpected;
4043	case ZigClangStmt_SourceLocExprClass:
4044	emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SourceLocExprClass");
4045	return ErrorUnexpected;
4046	}
4047	zig_unreachable();
4048	}
4049
4050	// Returns null if there was an error
4051	static AstNode trans_expr(Context c, ResultUsed result_used, TransScope scope, const ZigClangExpr expr,
4052	TransLRValue lrval)
4053	{
4054	AstNode *result_node;
4055	TransScope *result_scope;
4056	if (trans_stmt_extra(c, scope, (const ZigClangStmt *)expr, result_used, lrval, &result_node, &result_scope, nullptr)) {
4057	return nullptr;
4058	}
4059	return result_node;
4060	}
4061
4062	// Statements have no result and no concept of L or R value.
4063	// Returns child scope, or null if there was an error
4064	static TransScope trans_stmt(Context c, TransScope scope, const ZigClangStmt stmt, AstNode **out_node) {
4065	TransScope *child_scope;
4066	if (trans_stmt_extra(c, scope, stmt, ResultUsedNo, TransRValue, out_node, &child_scope, nullptr)) {
4067	return nullptr;
4068	}
4069	return child_scope;
4070	}
4071
4072	static void visit_fn_decl(Context c, const ZigClangFunctionDecl fn_decl) {
4073	Buf fn_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl )fn_decl));
4074
4075	if (get_global(c, fn_name)) {
4076	// we already saw this function
4077	return;
4078	}
4079
4080	AstNode *proto_node = trans_qual_type(c, ZigClangFunctionDecl_getType(fn_decl),
4081	ZigClangFunctionDecl_getLocation(fn_decl));
4082	if (proto_node == nullptr) {
4083	emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl),
4084	"unable to resolve prototype of function '%s'", buf_ptr(fn_name));
4085	return;
4086	}
4087
4088	proto_node->data.fn_proto.name = fn_name;
4089	proto_node->data.fn_proto.is_extern = !ZigClangFunctionDecl_hasBody(fn_decl);
4090
4091	ZigClangStorageClass sc = ZigClangFunctionDecl_getStorageClass(fn_decl);
4092	if (sc == ZigClangStorageClass_None) {
4093	proto_node->data.fn_proto.visib_mod = VisibModPub;
4094	proto_node->data.fn_proto.is_export = ZigClangFunctionDecl_hasBody(fn_decl) ? c->want_export : false;
4095	} else if (sc == ZigClangStorageClass_Extern \|\| sc == ZigClangStorageClass_Static) {
4096	proto_node->data.fn_proto.visib_mod = VisibModPub;
4097	} else if (sc == ZigClangStorageClass_PrivateExtern) {
4098	emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl), "unsupported storage class: private extern");
4099	return;
4100	} else {
4101	emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl), "unsupported storage class: unknown");
4102	return;
4103	}
4104
4105	TransScope *scope = &c->global_scope->base;
4106
4107	for (size_t i = 0; i < proto_node->data.fn_proto.params.length; i += 1) {
4108	AstNode *param_node = proto_node->data.fn_proto.params.at(i);
4109	const ZigClangParmVarDecl *param = ZigClangFunctionDecl_getParamDecl(fn_decl, i);
4110	const char name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl )param);
4111
4112	Buf *proto_param_name;
4113	if (strlen(name) != 0) {
4114	proto_param_name = buf_create_from_str(name);
4115	} else {
4116	proto_param_name = param_node->data.param_decl.name;
4117	if (proto_param_name == nullptr) {
4118	proto_param_name = buf_sprintf("arg%" ZIG_PRI_usize "", i);
4119	}
4120	}
4121
4122	TransScopeVar *scope_var = trans_scope_var_create(c, scope, proto_param_name);
4123	scope = &scope_var->base;
4124
4125	param_node->data.param_decl.name = scope_var->zig_name;
4126	}
4127
4128	if (!ZigClangFunctionDecl_hasBody(fn_decl)) {
4129	// just a prototype
4130	add_top_level_decl(c, proto_node->data.fn_proto.name, proto_node);
4131	return;
4132	}
4133
4134	// actual function definition with body
4135	c->ptr_params.clear();
4136	const ZigClangStmt *body = ZigClangFunctionDecl_getBody(fn_decl);
4137	AstNode *actual_body_node;
4138	TransScope *result_scope = trans_stmt(c, scope, body, &actual_body_node);
4139	if (result_scope == nullptr) {
4140	emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl), "unable to translate function");
4141	return;
4142	}
4143	assert(actual_body_node != nullptr);
4144	assert(actual_body_node->type == NodeTypeBlock);
4145
4146	// it worked
4147
4148	AstNode *body_node_with_param_inits = trans_create_node(c, NodeTypeBlock);
4149
4150	for (size_t i = 0; i < proto_node->data.fn_proto.params.length; i += 1) {
4151	AstNode *param_node = proto_node->data.fn_proto.params.at(i);
4152	Buf *good_name = param_node->data.param_decl.name;
4153
4154	if (c->ptr_params.maybe_get(good_name) != nullptr) {
4155	// TODO: avoid name collisions
4156	Buf *mangled_name = buf_sprintf("_arg_%s", buf_ptr(good_name));
4157	param_node->data.param_decl.name = mangled_name;
4158
4159	// var c_name = _mangled_name;
4160	AstNode *parameter_init = trans_create_node_var_decl_local(c, false, good_name, nullptr, trans_create_node_symbol(c, mangled_name));
4161
4162	body_node_with_param_inits->data.block.statements.append(parameter_init);
4163	}
4164	}
4165
4166	for (size_t i = 0; i < actual_body_node->data.block.statements.length; i += 1) {
4167	body_node_with_param_inits->data.block.statements.append(actual_body_node->data.block.statements.at(i));
4168	}
4169
4170	AstNode *fn_def_node = trans_create_node(c, NodeTypeFnDef);
4171	fn_def_node->data.fn_def.fn_proto = proto_node;
4172	fn_def_node->data.fn_def.body = body_node_with_param_inits;
4173
4174	proto_node->data.fn_proto.fn_def_node = fn_def_node;
4175	add_top_level_decl(c, fn_def_node->data.fn_def.fn_proto->data.fn_proto.name, fn_def_node);
4176	}
4177
4178	static AstNode resolve_typdef_as_builtin(Context c, const ZigClangTypedefNameDecl typedef_decl, const char primitive_name) {
4179	AstNode *node = trans_create_node_symbol_str(c, primitive_name);
4180	c->decl_table.put(typedef_decl, node);
4181	return node;
4182	}
4183
4184	static AstNode resolve_typedef_decl(Context c, const ZigClangTypedefNameDecl *typedef_decl) {
4185	auto existing_entry = c->decl_table.maybe_get((void*)ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl));
4186	if (existing_entry) {
4187	return existing_entry->value;
4188	}
4189
4190	ZigClangQualType child_qt = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl);
4191	Buf type_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl )typedef_decl));
4192
4193	if (buf_eql_str(type_name, "uint8_t")) {
4194	return resolve_typdef_as_builtin(c, typedef_decl, "u8");
4195	} else if (buf_eql_str(type_name, "int8_t")) {
4196	return resolve_typdef_as_builtin(c, typedef_decl, "i8");
4197	} else if (buf_eql_str(type_name, "uint16_t")) {
4198	return resolve_typdef_as_builtin(c, typedef_decl, "u16");
4199	} else if (buf_eql_str(type_name, "int16_t")) {
4200	return resolve_typdef_as_builtin(c, typedef_decl, "i16");
4201	} else if (buf_eql_str(type_name, "uint32_t")) {
4202	return resolve_typdef_as_builtin(c, typedef_decl, "u32");
4203	} else if (buf_eql_str(type_name, "int32_t")) {
4204	return resolve_typdef_as_builtin(c, typedef_decl, "i32");
4205	} else if (buf_eql_str(type_name, "uint64_t")) {
4206	return resolve_typdef_as_builtin(c, typedef_decl, "u64");
4207	} else if (buf_eql_str(type_name, "int64_t")) {
4208	return resolve_typdef_as_builtin(c, typedef_decl, "i64");
4209	} else if (buf_eql_str(type_name, "intptr_t")) {
4210	return resolve_typdef_as_builtin(c, typedef_decl, "isize");
4211	} else if (buf_eql_str(type_name, "uintptr_t")) {
4212	return resolve_typdef_as_builtin(c, typedef_decl, "usize");
4213	} else if (buf_eql_str(type_name, "ssize_t")) {
4214	return resolve_typdef_as_builtin(c, typedef_decl, "isize");
4215	} else if (buf_eql_str(type_name, "size_t")) {
4216	return resolve_typdef_as_builtin(c, typedef_decl, "usize");
4217	}
4218
4219	// if the underlying type is anonymous, we can special case it to just
4220	// use the name of this typedef
4221	// TODO
4222
4223	// trans_qual_type here might cause us to look at this typedef again so we put the item in the map first
4224	AstNode *symbol_node = trans_create_node_symbol(c, type_name);
4225	c->decl_table.put(ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl), symbol_node);
4226
4227	AstNode *type_node = trans_qual_type(c, child_qt, ZigClangTypedefNameDecl_getLocation(typedef_decl));
4228	if (type_node == nullptr) {
4229	emit_warning(c, ZigClangTypedefNameDecl_getLocation(typedef_decl),
4230	"typedef %s - unresolved child type", buf_ptr(type_name));
4231	c->decl_table.put(typedef_decl, nullptr);
4232	// TODO add global var with type_name equal to @compileError("unable to resolve C type")
4233	return nullptr;
4234	}
4235	add_global_var(c, type_name, type_node);
4236
4237	return symbol_node;
4238	}
4239
4240	struct AstNode demote_enum_to_opaque(Context c, const ZigClangEnumDecl enum_decl, Buf full_type_name,
4241	Buf *bare_name)
4242	{
4243	AstNode *opaque_node = trans_create_node_opaque(c);
4244	if (full_type_name == nullptr) {
4245	c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), opaque_node);
4246	return opaque_node;
4247	}
4248	AstNode *symbol_node = trans_create_node_symbol(c, full_type_name);
4249	add_global_weak_alias(c, bare_name, full_type_name);
4250	add_global_var(c, full_type_name, opaque_node);
4251	c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), symbol_node);
4252	return symbol_node;
4253	}
4254
4255	static AstNode resolve_enum_decl(Context c, const ZigClangEnumDecl *enum_decl) {
4256	auto existing_entry = c->decl_table.maybe_get(ZigClangEnumDecl_getCanonicalDecl(enum_decl));
4257	if (existing_entry) {
4258	return existing_entry->value;
4259	}
4260
4261	const char raw_name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl )enum_decl);
4262	bool is_anonymous = (raw_name[0] == 0);
4263	Buf *bare_name = is_anonymous ? nullptr : buf_create_from_str(raw_name);
4264	Buf *full_type_name = is_anonymous ? nullptr : buf_sprintf("enum_%s", buf_ptr(bare_name));
4265
4266	const ZigClangEnumDecl *enum_def = ZigClangEnumDecl_getDefinition(enum_decl);
4267	if (!enum_def) {
4268	return demote_enum_to_opaque(c, enum_decl, full_type_name, bare_name);
4269	}
4270
4271
4272	bool pure_enum = true;
4273	uint32_t field_count = 0;
4274	for (ZigClangEnumDecl_enumerator_iterator it = ZigClangEnumDecl_enumerator_begin(enum_def),
4275	it_end = ZigClangEnumDecl_enumerator_end(enum_def);
4276	ZigClangEnumDecl_enumerator_iterator_neq(it, it_end);
4277	it = ZigClangEnumDecl_enumerator_iterator_next(it), field_count += 1)
4278	{
4279	const ZigClangEnumConstantDecl *enum_const = ZigClangEnumDecl_enumerator_iterator_deref(it);
4280	if (ZigClangEnumConstantDecl_getInitExpr(enum_const)) {
4281	pure_enum = false;
4282	}
4283	}
4284	AstNode *tag_int_type = trans_qual_type(c, ZigClangEnumDecl_getIntegerType(enum_decl),
4285	ZigClangEnumDecl_getLocation(enum_decl));
4286	assert(tag_int_type);
4287
4288	AstNode *enum_node = trans_create_node(c, NodeTypeContainerDecl);
4289	enum_node->data.container_decl.kind = ContainerKindEnum;
4290	enum_node->data.container_decl.layout = ContainerLayoutExtern;
4291	// TODO only emit this tag type if the enum tag type is not the default.
4292	// I don't know what the default is, need to figure out how clang is deciding.
4293	// it appears to at least be different across gcc/msvc
4294	if (!c_is_builtin_type(c, ZigClangEnumDecl_getIntegerType(enum_decl), ZigClangBuiltinTypeUInt) &&
4295	!c_is_builtin_type(c, ZigClangEnumDecl_getIntegerType(enum_decl), ZigClangBuiltinTypeInt))
4296	{
4297	enum_node->data.container_decl.init_arg_expr = tag_int_type;
4298	}
4299	enum_node->data.container_decl.fields.resize(field_count);
4300	uint32_t i = 0;
4301	for (ZigClangEnumDecl_enumerator_iterator it = ZigClangEnumDecl_enumerator_begin(enum_def),
4302	it_end = ZigClangEnumDecl_enumerator_end(enum_def);
4303	ZigClangEnumDecl_enumerator_iterator_neq(it, it_end);
4304	it = ZigClangEnumDecl_enumerator_iterator_next(it), i += 1)
4305	{
4306	const ZigClangEnumConstantDecl *enum_const = ZigClangEnumDecl_enumerator_iterator_deref(it);
4307
4308	Buf enum_val_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl )enum_const));
4309	Buf *field_name;
4310	if (bare_name != nullptr && buf_starts_with_buf(enum_val_name, bare_name)) {
4311	field_name = buf_slice(enum_val_name, buf_len(bare_name), buf_len(enum_val_name));
4312	} else {
4313	field_name = enum_val_name;
4314	}
4315
4316	AstNode *int_node = pure_enum && !is_anonymous ?
4317	nullptr : trans_create_node_apint(c, ZigClangEnumConstantDecl_getInitVal(enum_const));
4318	AstNode *field_node = trans_create_node(c, NodeTypeStructField);
4319	field_node->data.struct_field.name = field_name;
4320	field_node->data.struct_field.type = nullptr;
4321	field_node->data.struct_field.value = int_node;
4322	enum_node->data.container_decl.fields.items[i] = field_node;
4323
4324	// in C each enum value is in the global namespace. so we put them there too.
4325	// at this point we can rely on the enum emitting successfully
4326	if (is_anonymous) {
4327	Buf enum_val_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl )enum_const));
4328	add_global_var(c, enum_val_name, int_node);
4329	} else {
4330	AstNode *field_access_node = trans_create_node_field_access(c,
4331	trans_create_node_symbol(c, full_type_name), field_name);
4332	add_global_var(c, enum_val_name, field_access_node);
4333	}
4334	}
4335
4336	if (is_anonymous) {
4337	c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), enum_node);
4338	return enum_node;
4339	} else {
4340	AstNode *symbol_node = trans_create_node_symbol(c, full_type_name);
4341	add_global_weak_alias(c, bare_name, full_type_name);
4342	add_global_var(c, full_type_name, enum_node);
4343	c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), symbol_node);
4344	return enum_node;
4345	}
4346	}
4347
4348	static AstNode demote_struct_to_opaque(Context c, const ZigClangRecordDecl *record_decl,
4349	Buf full_type_name, Buf bare_name)
4350	{
4351	AstNode *opaque_node = trans_create_node_opaque(c);
4352	if (full_type_name == nullptr) {
4353	c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), opaque_node);
4354	return opaque_node;
4355	}
4356	AstNode *symbol_node = trans_create_node_symbol(c, full_type_name);
4357	add_global_weak_alias(c, bare_name, full_type_name);
4358	add_global_var(c, full_type_name, opaque_node);
4359	c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), symbol_node);
4360	return symbol_node;
4361	}
4362
4363	static AstNode resolve_record_decl(Context c, const ZigClangRecordDecl *record_decl) {
4364	auto existing_entry = c->decl_table.maybe_get(ZigClangRecordDecl_getCanonicalDecl(record_decl));
4365	if (existing_entry) {
4366	return existing_entry->value;
4367	}
4368
4369	const char raw_name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl )record_decl);
4370	const char *container_kind_name;
4371	ContainerKind container_kind;
4372	if (ZigClangRecordDecl_isUnion(record_decl)) {
4373	container_kind_name = "union";
4374	container_kind = ContainerKindUnion;
4375	} else if (ZigClangRecordDecl_isStruct(record_decl)) {
4376	container_kind_name = "struct";
4377	container_kind = ContainerKindStruct;
4378	} else {
4379	emit_warning(c, ZigClangRecordDecl_getLocation(record_decl),
4380	"skipping record %s, not a struct or union", raw_name);
4381	c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), nullptr);
4382	return nullptr;
4383	}
4384
4385	bool is_anonymous = ZigClangRecordDecl_isAnonymousStructOrUnion(record_decl) \|\| raw_name[0] == 0;
4386	Buf *bare_name = is_anonymous ? nullptr : buf_create_from_str(raw_name);
4387	Buf *full_type_name = (bare_name == nullptr) ?
4388	nullptr : buf_sprintf("%s_%s", container_kind_name, buf_ptr(bare_name));
4389
4390	const ZigClangRecordDecl *record_def = ZigClangRecordDecl_getDefinition(record_decl);
4391	if (record_def == nullptr) {
4392	return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name);
4393	}
4394
4395	// count fields and validate
4396	uint32_t field_count = 0;
4397	for (ZigClangRecordDecl_field_iterator it = ZigClangRecordDecl_field_begin(record_def),
4398	it_end = ZigClangRecordDecl_field_end(record_def);
4399	ZigClangRecordDecl_field_iterator_neq(it, it_end);
4400	it = ZigClangRecordDecl_field_iterator_next(it), field_count += 1)
4401	{
4402	const ZigClangFieldDecl *field_decl = ZigClangRecordDecl_field_iterator_deref(it);
4403
4404	if (ZigClangFieldDecl_isBitField(field_decl)) {
4405	emit_warning(c, ZigClangFieldDecl_getLocation(field_decl),
4406	"%s %s demoted to opaque type - has bitfield", container_kind_name,
4407	is_anonymous ? "(anon)" : buf_ptr(bare_name));
4408	return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name);
4409	}
4410	}
4411
4412	AstNode *struct_node = trans_create_node(c, NodeTypeContainerDecl);
4413	struct_node->data.container_decl.kind = container_kind;
4414	struct_node->data.container_decl.layout = ContainerLayoutExtern;
4415
4416	// TODO handle attribute packed
4417
4418	struct_node->data.container_decl.fields.resize(field_count);
4419
4420	// must be before fields in case a circular reference happens
4421	if (is_anonymous) {
4422	c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), struct_node);
4423	} else {
4424	c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), trans_create_node_symbol(c, full_type_name));
4425	}
4426
4427	uint32_t i = 0;
4428	for (ZigClangRecordDecl_field_iterator it = ZigClangRecordDecl_field_begin(record_def),
4429	it_end = ZigClangRecordDecl_field_end(record_def);
4430	ZigClangRecordDecl_field_iterator_neq(it, it_end);
4431	it = ZigClangRecordDecl_field_iterator_next(it), i += 1)
4432	{
4433	const ZigClangFieldDecl *field_decl = ZigClangRecordDecl_field_iterator_deref(it);
4434
4435	AstNode *field_node = trans_create_node(c, NodeTypeStructField);
4436	field_node->data.struct_field.name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)field_decl));
4437	field_node->data.struct_field.type = trans_qual_type(c, ZigClangFieldDecl_getType(field_decl),
4438	ZigClangFieldDecl_getLocation(field_decl));
4439
4440	if (field_node->data.struct_field.type == nullptr) {
4441	emit_warning(c, ZigClangFieldDecl_getLocation(field_decl),
4442	"%s %s demoted to opaque type - unresolved type",
4443	container_kind_name,
4444	is_anonymous ? "(anon)" : buf_ptr(bare_name));
4445
4446	return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name);
4447	}
4448
4449	struct_node->data.container_decl.fields.items[i] = field_node;
4450	}
4451
4452	if (is_anonymous) {
4453	return struct_node;
4454	} else {
4455	add_global_weak_alias(c, bare_name, full_type_name);
4456	add_global_var(c, full_type_name, struct_node);
4457	return trans_create_node_symbol(c, full_type_name);
4458	}
4459	}
4460
4461	static AstNode trans_ap_value(Context c, const ZigClangAPValue *ap_value, ZigClangQualType qt,
4462	ZigClangSourceLocation source_loc)
4463	{
4464	switch (ZigClangAPValue_getKind(ap_value)) {
4465	case ZigClangAPValueInt:
4466	return trans_create_node_apint(c, ZigClangAPValue_getInt(ap_value));
4467	case ZigClangAPValueNone:
4468	return trans_create_node(c, NodeTypeUndefinedLiteral);
4469	case ZigClangAPValueArray: {
4470	emit_warning(c, source_loc, "TODO add a test case for this code");
4471
4472	unsigned init_count = ZigClangAPValue_getArrayInitializedElts(ap_value);
4473	unsigned all_count = ZigClangAPValue_getArraySize(ap_value);
4474	unsigned leftover_count = all_count - init_count;
4475	AstNode *init_node = trans_create_node(c, NodeTypeContainerInitExpr);
4476	AstNode *arr_type_node = trans_qual_type(c, qt, source_loc);
4477	if (leftover_count != 0) { // We can't use the size of the final array for a partial initializer.
4478	bigint_init_unsigned(arr_type_node->data.array_type.size->data.int_literal.bigint, init_count);
4479	}
4480	init_node->data.container_init_expr.type = arr_type_node;
4481	init_node->data.container_init_expr.kind = ContainerInitKindArray;
4482
4483	const ZigClangType *qt_type = ZigClangQualType_getTypePtr(qt);
4484	ZigClangQualType child_qt = ZigClangArrayType_getElementType(ZigClangType_getAsArrayTypeUnsafe(qt_type));
4485
4486	for (size_t i = 0; i < init_count; i += 1) {
4487	const ZigClangAPValue *elem_ap_val = ZigClangAPValue_getArrayInitializedElt(ap_value, i);
4488	AstNode *elem_node = trans_ap_value(c, elem_ap_val, child_qt, source_loc);
4489	if (elem_node == nullptr)
4490	return nullptr;
4491	init_node->data.container_init_expr.entries.append(elem_node);
4492	}
4493	if (leftover_count == 0) {
4494	return init_node;
4495	}
4496
4497	const ZigClangAPValue *filler_ap_val = ZigClangAPValue_getArrayFiller(ap_value);
4498	AstNode *filler_node = trans_ap_value(c, filler_ap_val, child_qt, source_loc);
4499	if (filler_node == nullptr)
4500	return nullptr;
4501
4502	AstNode* filler_arr_type = trans_create_node(c, NodeTypeArrayType);
4503	filler_arr_type = arr_type_node;
4504	filler_arr_type->data.array_type.size = trans_create_node_unsigned(c, 1);
4505
4506	AstNode *filler_arr_1 = trans_create_node(c, NodeTypeContainerInitExpr);
4507	filler_arr_1->data.container_init_expr.type = filler_arr_type;
4508	filler_arr_1->data.container_init_expr.kind = ContainerInitKindArray;
4509	filler_arr_1->data.container_init_expr.entries.append(filler_node);
4510
4511	AstNode *rhs_node;
4512	if (leftover_count == 1) {
4513	rhs_node = filler_arr_1;
4514	} else {
4515	AstNode *amt_node = trans_create_node_unsigned(c, leftover_count);
4516	rhs_node = trans_create_node_bin_op(c, filler_arr_1, BinOpTypeArrayMult, amt_node);
4517	}
4518
4519	if (init_count == 0) {
4520	return rhs_node;
4521	}
4522
4523	return trans_create_node_bin_op(c, init_node, BinOpTypeArrayCat, rhs_node);
4524	}
4525	case ZigClangAPValueLValue: {
4526	const ZigClangAPValueLValueBase lval_base = ZigClangAPValue_getLValueBase(ap_value);
4527	if (const ZigClangExpr *expr = ZigClangAPValueLValueBase_dyn_cast_Expr(lval_base)) {
4528	return trans_expr(c, ResultUsedYes, &c->global_scope->base, expr, TransRValue);
4529	}
4530	emit_warning(c, source_loc, "TODO handle initializer LValue ValueDecl");
4531	return nullptr;
4532	}
4533	case ZigClangAPValueFloat:
4534	emit_warning(c, source_loc, "unsupported initializer value kind: Float");
4535	return nullptr;
4536	case ZigClangAPValueComplexInt:
4537	emit_warning(c, source_loc, "unsupported initializer value kind: ComplexInt");
4538	return nullptr;
4539	case ZigClangAPValueComplexFloat:
4540	emit_warning(c, source_loc, "unsupported initializer value kind: ComplexFloat");
4541	return nullptr;
4542	case ZigClangAPValueVector:
4543	emit_warning(c, source_loc, "unsupported initializer value kind: Vector");
4544	return nullptr;
4545	case ZigClangAPValueStruct:
4546	emit_warning(c, source_loc, "unsupported initializer value kind: Struct");
4547	return nullptr;
4548	case ZigClangAPValueUnion:
4549	emit_warning(c, source_loc, "unsupported initializer value kind: Union");
4550	return nullptr;
4551	case ZigClangAPValueMemberPointer:
4552	emit_warning(c, source_loc, "unsupported initializer value kind: MemberPointer");
4553	return nullptr;
4554	case ZigClangAPValueAddrLabelDiff:
4555	emit_warning(c, source_loc, "unsupported initializer value kind: AddrLabelDiff");
4556	return nullptr;
4557	case ZigClangAPValueIndeterminate:
4558	emit_warning(c, source_loc, "unsupported initializer value kind: Indeterminate");
4559	return nullptr;
4560	case ZigClangAPValueFixedPoint:
4561	emit_warning(c, source_loc, "unsupported initializer value kind: FixedPoint");
4562	return nullptr;
4563	}
4564	zig_unreachable();
4565	}
4566
4567	static void visit_var_decl(Context c, const ZigClangVarDecl var_decl) {
4568	Buf name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl )var_decl));
4569
4570	switch (ZigClangVarDecl_getTLSKind(var_decl)) {
4571	case ZigClangVarDecl_TLSKind_None:
4572	break;
4573	case ZigClangVarDecl_TLSKind_Static:
4574	emit_warning(c, ZigClangVarDecl_getLocation(var_decl),
4575	"ignoring variable '%s' - static thread local storage", buf_ptr(name));
4576	return;
4577	case ZigClangVarDecl_TLSKind_Dynamic:
4578	emit_warning(c, ZigClangVarDecl_getLocation(var_decl),
4579	"ignoring variable '%s' - dynamic thread local storage", buf_ptr(name));
4580	return;
4581	}
4582
4583	ZigClangQualType qt = ZigClangVarDecl_getType(var_decl);
4584	AstNode *var_type = trans_qual_type(c, qt, ZigClangVarDecl_getLocation(var_decl));
4585	if (var_type == nullptr) {
4586	emit_warning(c, ZigClangVarDecl_getLocation(var_decl), "ignoring variable '%s' - unresolved type", buf_ptr(name));
4587	return;
4588	}
4589
4590	bool is_extern = ZigClangVarDecl_hasExternalStorage(var_decl);
4591	bool is_static = ZigClangVarDecl_isFileVarDecl(var_decl);
4592	bool is_const = ZigClangQualType_isConstQualified(qt);
4593
4594	if (is_static && !is_extern) {
4595	AstNode *init_node;
4596	if (ZigClangVarDecl_hasInit(var_decl)) {
4597	const ZigClangAPValue *ap_value = ZigClangVarDecl_evaluateValue(var_decl);
4598	if (ap_value == nullptr) {
4599	emit_warning(c, ZigClangVarDecl_getLocation(var_decl),
4600	"ignoring variable '%s' - unable to evaluate initializer", buf_ptr(name));
4601	return;
4602	}
4603	init_node = trans_ap_value(c, ap_value, qt, ZigClangVarDecl_getLocation(var_decl));
4604	if (init_node == nullptr)
4605	return;
4606	} else {
4607	init_node = trans_create_node(c, NodeTypeUndefinedLiteral);
4608	}
4609
4610	AstNode *var_node = trans_create_node_var_decl_global(c, is_const, name, var_type, init_node);
4611	add_top_level_decl(c, name, var_node);
4612	return;
4613	}
4614
4615	if (is_extern) {
4616	AstNode *var_node = trans_create_node_var_decl_global(c, is_const, name, var_type, nullptr);
4617	var_node->data.variable_declaration.is_extern = true;
4618	add_top_level_decl(c, name, var_node);
4619	return;
4620	}
4621
4622	emit_warning(c, ZigClangVarDecl_getLocation(var_decl),
4623	"ignoring variable '%s' - non-extern, non-static variable", buf_ptr(name));
4624	return;
4625	}
4626
4627	static bool decl_visitor(void context, const ZigClangDecl decl) {
4628	Context c = (Context)context;
4629
4630	switch (ZigClangDecl_getKind(decl)) {
4631	case ZigClangDeclFunction:
4632	visit_fn_decl(c, reinterpret_cast<const ZigClangFunctionDecl*>(decl));
4633	break;
4634	case ZigClangDeclTypedef:
4635	resolve_typedef_decl(c, reinterpret_cast<const ZigClangTypedefNameDecl *>(decl));
4636	break;
4637	case ZigClangDeclEnum:
4638	resolve_enum_decl(c, reinterpret_cast<const ZigClangEnumDecl *>(decl));
4639	break;
4640	case ZigClangDeclRecord:
4641	resolve_record_decl(c, reinterpret_cast<const ZigClangRecordDecl *>(decl));
4642	break;
4643	case ZigClangDeclVar:
4644	visit_var_decl(c, reinterpret_cast<const ZigClangVarDecl *>(decl));
4645	break;
4646	default:
4647	emit_warning(c, ZigClangDecl_getLocation(decl), "ignoring %s decl", ZigClangDecl_getDeclKindName(decl));
4648	}
4649
4650	return true;
4651	}
4652
4653	static bool name_exists_global(Context c, Buf name) {
4654	return get_global(c, name) != nullptr;
4655	}
4656
4657	static bool name_exists_scope(Context c, Buf name, TransScope *scope) {
4658	while (scope != nullptr) {
4659	if (scope->id == TransScopeIdVar) {
4660	TransScopeVar var_scope = (TransScopeVar )scope;
4661	if (buf_eql_buf(name, var_scope->zig_name)) {
4662	return true;
4663	}
4664	}
4665	scope = scope->parent;
4666	}
4667	return name_exists_global(c, name);
4668	}
4669
4670	static Buf get_unique_name(Context c, Buf name, TransScope scope) {
4671	Buf *proposed_name = name;
4672	int count = 0;
4673	while (name_exists_scope(c, proposed_name, scope)) {
4674	if (proposed_name == name) {
4675	proposed_name = buf_alloc();
4676	}
4677	buf_resize(proposed_name, 0);
4678	buf_appendf(proposed_name, "%s_%d", buf_ptr(name), count);
4679	count += 1;
4680	}
4681	return proposed_name;
4682	}
4683
4684	static TransScopeRoot trans_scope_root_create(Context c) {
4685	TransScopeRoot *result = allocate<TransScopeRoot>(1);
4686	result->base.id = TransScopeIdRoot;
4687	return result;
4688	}
4689
4690	static TransScopeWhile trans_scope_while_create(Context c, TransScope *parent_scope) {
4691	TransScopeWhile *result = allocate<TransScopeWhile>(1);
4692	result->base.id = TransScopeIdWhile;
4693	result->base.parent = parent_scope;
4694	result->node = trans_create_node(c, NodeTypeWhileExpr);
4695	return result;
4696	}
4697
4698	static TransScopeBlock trans_scope_block_create(Context c, TransScope *parent_scope) {
4699	TransScopeBlock *result = allocate<TransScopeBlock>(1);
4700	result->base.id = TransScopeIdBlock;
4701	result->base.parent = parent_scope;
4702	result->node = trans_create_node(c, NodeTypeBlock);
4703	return result;
4704	}
4705
4706	static TransScopeVar trans_scope_var_create(Context c, TransScope parent_scope, Buf wanted_name) {
4707	TransScopeVar *result = allocate<TransScopeVar>(1);
4708	result->base.id = TransScopeIdVar;
4709	result->base.parent = parent_scope;
4710	result->c_name = wanted_name;
4711	result->zig_name = get_unique_name(c, wanted_name, parent_scope);
4712	return result;
4713	}
4714
4715	static TransScopeSwitch trans_scope_switch_create(Context c, TransScope *parent_scope) {
4716	TransScopeSwitch *result = allocate<TransScopeSwitch>(1);
4717	result->base.id = TransScopeIdSwitch;
4718	result->base.parent = parent_scope;
4719	result->switch_node = trans_create_node(c, NodeTypeSwitchExpr);
4720	return result;
4721	}
4722
4723	static TransScopeBlock trans_scope_block_find(TransScope scope) {
4724	while (scope != nullptr) {
4725	if (scope->id == TransScopeIdBlock) {
4726	return (TransScopeBlock *)scope;
4727	}
4728	scope = scope->parent;
4729	}
4730	return nullptr;
4731	}
4732
4733	static void render_aliases(Context *c) {
4734	for (size_t i = 0; i < c->aliases.length; i += 1) {
4735	Alias *alias = &c->aliases.at(i);
4736	if (name_exists_global(c, alias->new_name))
4737	continue;
4738
4739	add_global_var(c, alias->new_name, trans_create_node_symbol(c, alias->canon_name));
4740	}
4741	}
4742
4743	static AstNode trans_lookup_ast_container_typeof(Context c, AstNode *ref_node);
4744
4745	static AstNode trans_lookup_ast_container(Context c, AstNode *type_node) {
4746	if (type_node == nullptr) {
4747	return nullptr;
4748	} else if (type_node->type == NodeTypeContainerDecl) {
4749	return type_node;
4750	} else if (type_node->type == NodeTypePrefixOpExpr) {
4751	return type_node;
4752	} else if (type_node->type == NodeTypeSymbol) {
4753	AstNode *existing_node = get_global(c, type_node->data.symbol_expr.symbol);
4754	if (existing_node == nullptr)
4755	return nullptr;
4756	if (existing_node->type != NodeTypeVariableDeclaration)
4757	return nullptr;
4758	return trans_lookup_ast_container(c, existing_node->data.variable_declaration.expr);
4759	} else if (type_node->type == NodeTypeFieldAccessExpr) {
4760	AstNode *container_node = trans_lookup_ast_container_typeof(c, type_node->data.field_access_expr.struct_expr);
4761	if (container_node == nullptr)
4762	return nullptr;
4763	if (container_node->type != NodeTypeContainerDecl)
4764	return container_node;
4765
4766	for (size_t i = 0; i < container_node->data.container_decl.fields.length; i += 1) {
4767	AstNode *field_node = container_node->data.container_decl.fields.items[i];
4768	if (buf_eql_buf(field_node->data.struct_field.name, type_node->data.field_access_expr.field_name)) {
4769	return trans_lookup_ast_container(c, field_node->data.struct_field.type);
4770	}
4771	}
4772	return nullptr;
4773	} else {
4774	return nullptr;
4775	}
4776	}
4777
4778	static AstNode trans_lookup_ast_container_typeof(Context c, AstNode *ref_node) {
4779	if (ref_node->type == NodeTypeSymbol) {
4780	AstNode *existing_node = get_global(c, ref_node->data.symbol_expr.symbol);
4781	if (existing_node == nullptr)
4782	return nullptr;
4783	if (existing_node->type != NodeTypeVariableDeclaration)
4784	return nullptr;
4785	return trans_lookup_ast_container(c, existing_node->data.variable_declaration.type);
4786	} else if (ref_node->type == NodeTypeFieldAccessExpr) {
4787	AstNode *container_node = trans_lookup_ast_container_typeof(c, ref_node->data.field_access_expr.struct_expr);
4788	if (container_node == nullptr)
4789	return nullptr;
4790	if (container_node->type != NodeTypeContainerDecl)
4791	return container_node;
4792	for (size_t i = 0; i < container_node->data.container_decl.fields.length; i += 1) {
4793	AstNode *field_node = container_node->data.container_decl.fields.items[i];
4794	if (buf_eql_buf(field_node->data.struct_field.name, ref_node->data.field_access_expr.field_name)) {
4795	return trans_lookup_ast_container(c, field_node->data.struct_field.type);
4796	}
4797	}
4798	return nullptr;
4799	} else {
4800	return nullptr;
4801	}
4802	}
4803
4804	static AstNode trans_lookup_ast_maybe_fn(Context c, AstNode *ref_node) {
4805	AstNode *prefix_node = trans_lookup_ast_container_typeof(c, ref_node);
4806	if (prefix_node == nullptr)
4807	return nullptr;
4808	if (prefix_node->type != NodeTypePrefixOpExpr)
4809	return nullptr;
4810	if (prefix_node->data.prefix_op_expr.prefix_op != PrefixOpOptional)
4811	return nullptr;
4812
4813	AstNode *fn_proto_node = prefix_node->data.prefix_op_expr.primary_expr;
4814	if (fn_proto_node->type != NodeTypeFnProto)
4815	return nullptr;
4816
4817	return fn_proto_node;
4818	}
4819
4820	static void render_macros(Context *c) {
4821	auto it = c->macro_table.entry_iterator();
4822	for (;;) {
4823	auto *entry = it.next();
4824	if (!entry)
4825	break;
4826
4827	AstNode *proto_node;
4828	AstNode *value_node = entry->value;
4829	if (value_node->type == NodeTypeFnDef) {
4830	add_top_level_decl(c, value_node->data.fn_def.fn_proto->data.fn_proto.name, value_node);
4831	} else if ((proto_node = trans_lookup_ast_maybe_fn(c, value_node))) {
4832	// If a macro aliases a global variable which is a function pointer, we conclude that
4833	// the macro is intended to represent a function that assumes the function pointer
4834	// variable is non-null and calls it.
4835	AstNode *inline_fn_node = trans_create_node_inline_fn(c, entry->key, value_node, proto_node);
4836	add_top_level_decl(c, entry->key, inline_fn_node);
4837	} else {
4838	add_global_var(c, entry->key, value_node);
4839	}
4840	}
4841	}
4842
4843	static AstNode parse_ctok_primary_expr(Context c, CTokenize ctok, size_t tok_i);
4844	static AstNode parse_ctok_expr(Context c, CTokenize ctok, size_t tok_i);
4845	static AstNode parse_ctok_prefix_op_expr(Context c, CTokenize ctok, size_t tok_i);
4846
4847	static AstNode parse_ctok_num_lit(Context c, CTokenize ctok, size_t tok_i, bool negate) {
4848	CTok tok = &ctok->tokens.at(tok_i);
4849	if (tok->id == CTokIdNumLitInt) {
4850	*tok_i += 1;
4851	switch (tok->data.num_lit_int.suffix) {
4852	case CNumLitSuffixNone:
4853	return trans_create_node_unsigned_negative(c, tok->data.num_lit_int.x, negate);
4854	case CNumLitSuffixL:
4855	return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_long");
4856	case CNumLitSuffixU:
4857	return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_uint");
4858	case CNumLitSuffixLU:
4859	return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_ulong");
4860	case CNumLitSuffixLL:
4861	return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_longlong");
4862	case CNumLitSuffixLLU:
4863	return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_ulonglong");
4864	}
4865	zig_unreachable();
4866	} else if (tok->id == CTokIdNumLitFloat) {
4867	*tok_i += 1;
4868	double value = negate ? -tok->data.num_lit_float : tok->data.num_lit_float;
4869	return trans_create_node_float_lit(c, value);
4870	}
4871	return nullptr;
4872	}
4873
4874	static AstNode parse_ctok_primary_expr(Context c, CTokenize ctok, size_t tok_i) {
4875	CTok tok = &ctok->tokens.at(tok_i);
4876	switch (tok->id) {
4877	case CTokIdCharLit:
4878	*tok_i += 1;
4879	return trans_create_node_unsigned(c, tok->data.char_lit);
4880	case CTokIdStrLit:
4881	*tok_i += 1;
4882	return trans_create_node_str_lit(c, buf_create_from_buf(&tok->data.str_lit));
4883	case CTokIdMinus:
4884	*tok_i += 1;
4885	return parse_ctok_num_lit(c, ctok, tok_i, true);
4886	case CTokIdNumLitInt:
4887	case CTokIdNumLitFloat:
4888	return parse_ctok_num_lit(c, ctok, tok_i, false);
4889	case CTokIdSymbol:
4890	{
4891	*tok_i += 1;
4892	Buf *symbol_name = buf_create_from_buf(&tok->data.symbol);
4893	return trans_create_node_symbol(c, symbol_name);
4894	}
4895	case CTokIdLParen:
4896	{
4897	*tok_i += 1;
4898	AstNode *inner_node = parse_ctok_expr(c, ctok, tok_i);
4899	if (inner_node == nullptr) {
4900	return nullptr;
4901	}
4902
4903	CTok next_tok = &ctok->tokens.at(tok_i);
4904	if (next_tok->id == CTokIdRParen) {
4905	*tok_i += 1;
4906	return inner_node;
4907	}
4908
4909	AstNode *node_to_cast = parse_ctok_expr(c, ctok, tok_i);
4910	if (node_to_cast == nullptr) {
4911	return nullptr;
4912	}
4913
4914	CTok next_tok2 = &ctok->tokens.at(tok_i);
4915	if (next_tok2->id != CTokIdRParen) {
4916	return nullptr;
4917	}
4918	*tok_i += 1;
4919
4920
4921	//if (@typeId(@TypeOf(x)) == @import("builtin").TypeId.Pointer)
4922	// @ptrCast(dest, x)
4923	//else if (@typeId(@TypeOf(x)) == @import("builtin").TypeId.Integer)
4924	// @intToPtr(dest, x)
4925	//else
4926	// (dest)(x)
4927
4928	AstNode *import_builtin = trans_create_node_builtin_fn_call_str(c, "import");
4929	import_builtin->data.fn_call_expr.params.append(trans_create_node_str_lit(c, buf_create_from_str("builtin")));
4930	AstNode *typeid_type = trans_create_node_field_access_str(c, import_builtin, "TypeId");
4931	AstNode *typeid_pointer = trans_create_node_field_access_str(c, typeid_type, "Pointer");
4932	AstNode *typeid_integer = trans_create_node_field_access_str(c, typeid_type, "Int");
4933	AstNode *typeof_x = trans_create_node_builtin_fn_call_str(c, "TypeOf");
4934	typeof_x->data.fn_call_expr.params.append(node_to_cast);
4935	AstNode *typeid_value = trans_create_node_builtin_fn_call_str(c, "typeId");
4936	typeid_value->data.fn_call_expr.params.append(typeof_x);
4937
4938	AstNode *outer_if_cond = trans_create_node_bin_op(c, typeid_value, BinOpTypeCmpEq, typeid_pointer);
4939	AstNode *inner_if_cond = trans_create_node_bin_op(c, typeid_value, BinOpTypeCmpEq, typeid_integer);
4940	AstNode *inner_if_then = trans_create_node_builtin_fn_call_str(c, "intToPtr");
4941	inner_if_then->data.fn_call_expr.params.append(inner_node);
4942	inner_if_then->data.fn_call_expr.params.append(node_to_cast);
4943	AstNode *inner_if_else = trans_create_node_cast(c, inner_node, node_to_cast);
4944	AstNode *inner_if = trans_create_node_if(c, inner_if_cond, inner_if_then, inner_if_else);
4945	AstNode *outer_if_then = trans_create_node_builtin_fn_call_str(c, "ptrCast");
4946	outer_if_then->data.fn_call_expr.params.append(inner_node);
4947	outer_if_then->data.fn_call_expr.params.append(node_to_cast);
4948	return trans_create_node_if(c, outer_if_cond, outer_if_then, inner_if);
4949	}
4950	case CTokIdDot:
4951	case CTokIdEOF:
4952	case CTokIdRParen:
4953	case CTokIdAsterisk:
4954	case CTokIdBang:
4955	case CTokIdTilde:
4956	case CTokIdShl:
4957	case CTokIdLt:
4958	// not able to make sense of this
4959	return nullptr;
4960	}
4961	zig_unreachable();
4962	}
4963
4964	static AstNode parse_ctok_expr(Context c, CTokenize ctok, size_t tok_i) {
4965	return parse_ctok_prefix_op_expr(c, ctok, tok_i);
4966	}
4967
4968	static AstNode parse_ctok_suffix_op_expr(Context c, CTokenize ctok, size_t tok_i) {
4969	AstNode *node = parse_ctok_primary_expr(c, ctok, tok_i);
4970	if (node == nullptr)
4971	return nullptr;
4972
4973	while (true) {
4974	CTok first_tok = &ctok->tokens.at(tok_i);
4975	if (first_tok->id == CTokIdDot) {
4976	*tok_i += 1;
4977
4978	CTok name_tok = &ctok->tokens.at(tok_i);
4979	if (name_tok->id != CTokIdSymbol) {
4980	return nullptr;
4981	}
4982	*tok_i += 1;
4983
4984	node = trans_create_node_field_access(c, node, buf_create_from_buf(&name_tok->data.symbol));
4985	} else if (first_tok->id == CTokIdAsterisk) {
4986	*tok_i += 1;
4987
4988	node = trans_create_node_ptr_type(c, false, false, node, PtrLenC);
4989	} else if (first_tok->id == CTokIdShl) {
4990	*tok_i += 1;
4991
4992	AstNode *rhs_node = parse_ctok_expr(c, ctok, tok_i);
4993	if (rhs_node == nullptr)
4994	return nullptr;
4995	node = trans_create_node_bin_op(c, node, BinOpTypeBitShiftLeft, rhs_node);
4996	} else {
4997	return node;
4998	}
4999	}
5000	}
5001
5002	static AstNode parse_ctok_prefix_op_expr(Context c, CTokenize ctok, size_t tok_i) {
5003	CTok op_tok = &ctok->tokens.at(tok_i);
5004
5005	switch (op_tok->id) {
5006	case CTokIdBang:
5007	{
5008	*tok_i += 1;
5009	AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
5010	if (prefix_op_expr == nullptr)
5011	return nullptr;
5012	return trans_create_node_prefix_op(c, PrefixOpBoolNot, prefix_op_expr);
5013	}
5014	case CTokIdMinus:
5015	{
5016	*tok_i += 1;
5017	AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
5018	if (prefix_op_expr == nullptr)
5019	return nullptr;
5020	return trans_create_node_prefix_op(c, PrefixOpNegation, prefix_op_expr);
5021	}
5022	case CTokIdTilde:
5023	{
5024	*tok_i += 1;
5025	AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
5026	if (prefix_op_expr == nullptr)
5027	return nullptr;
5028	return trans_create_node_prefix_op(c, PrefixOpBinNot, prefix_op_expr);
5029	}
5030	case CTokIdAsterisk:
5031	{
5032	*tok_i += 1;
5033	AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
5034	if (prefix_op_expr == nullptr)
5035	return nullptr;
5036	return trans_create_node_ptr_deref(c, prefix_op_expr);
5037	}
5038	default:
5039	return parse_ctok_suffix_op_expr(c, ctok, tok_i);
5040	}
5041	}
5042
5043	static void process_macro(Context c, CTokenize ctok, Buf name, const char char_ptr) {
5044	tokenize_c_macro(ctok, (const uint8_t *)char_ptr);
5045
5046	if (ctok->error) {
5047	return;
5048	}
5049
5050	size_t tok_i = 0;
5051	CTok *name_tok = &ctok->tokens.at(tok_i);
5052	assert(name_tok->id == CTokIdSymbol && buf_eql_buf(&name_tok->data.symbol, name));
5053	tok_i += 1;
5054
5055	AstNode *result_node = parse_ctok_suffix_op_expr(c, ctok, &tok_i);
5056	if (result_node == nullptr) {
5057	return;
5058	}
5059	CTok *eof_tok = &ctok->tokens.at(tok_i);
5060	if (eof_tok->id != CTokIdEOF) {
5061	return;
5062	}
5063	if (result_node->type == NodeTypeSymbol) {
5064	// if it equals itself, ignore. for example, from stdio.h:
5065	// #define stdin stdin
5066	Buf *symbol_name = result_node->data.symbol_expr.symbol;
5067	if (buf_eql_buf(name, symbol_name)) {
5068	return;
5069	}
5070	}
5071	c->macro_table.put(name, result_node);
5072	}
5073
5074	static void process_preprocessor_entities(Context c, ZigClangASTUnit unit) {
5075	CTokenize ctok = {{0}};
5076
5077	// TODO if we see #undef, delete it from the table
5078	for (ZigClangPreprocessingRecord_iterator it = ZigClangASTUnit_getLocalPreprocessingEntities_begin(unit),
5079	it_end = ZigClangASTUnit_getLocalPreprocessingEntities_end(unit); it.I != it_end.I; it.I += 1)
5080	{
5081	ZigClangPreprocessedEntity *entity = ZigClangPreprocessingRecord_iterator_deref(it);
5082
5083	switch (ZigClangPreprocessedEntity_getKind(entity)) {
5084	case ZigClangPreprocessedEntity_InvalidKind:
5085	case ZigClangPreprocessedEntity_InclusionDirectiveKind:
5086	case ZigClangPreprocessedEntity_MacroExpansionKind:
5087	continue;
5088	case ZigClangPreprocessedEntity_MacroDefinitionKind:
5089	{
5090	ZigClangMacroDefinitionRecord macro = reinterpret_cast<ZigClangMacroDefinitionRecord >(entity);
5091	const char *raw_name = ZigClangMacroDefinitionRecord_getName_getNameStart(macro);
5092	ZigClangSourceLocation begin_loc = ZigClangMacroDefinitionRecord_getSourceRange_getBegin(macro);
5093	ZigClangSourceLocation end_loc = ZigClangMacroDefinitionRecord_getSourceRange_getEnd(macro);
5094
5095	if (ZigClangSourceLocation_eq(begin_loc, end_loc)) {
5096	// this means it is a macro without a value
5097	// we don't care about such things
5098	continue;
5099	}
5100	Buf *name = buf_create_from_str(raw_name);
5101	if (name_exists_global(c, name)) {
5102	continue;
5103	}
5104
5105	const char *begin_c = ZigClangSourceManager_getCharacterData(c->source_manager, begin_loc);
5106	process_macro(c, &ctok, name, begin_c);
5107	}
5108	}
5109	}
5110	}
5111
5112	Error parse_h_file(CodeGen codegen, AstNode *out_root_node,
5113	Stage2ErrorMsg *errors_ptr, size_t errors_len,
5114	const char args_begin, const char args_end,
5115	TranslateMode mode, const char *resources_path)
5116	{
5117	Context context = {0};
5118	Context *c = &context;
5119	c->warnings_on = codegen->verbose_cimport;
5120	if (mode == TranslateModeImport) {
5121	c->want_export = false;
5122	} else {
5123	c->want_export = true;
5124	}
5125	c->decl_table.init(8);
5126	c->macro_table.init(8);
5127	c->global_table.init(8);
5128	c->ptr_params.init(8);
5129	c->codegen = codegen;
5130	c->global_scope = trans_scope_root_create(c);
5131
5132	ZigClangASTUnit *ast_unit = ZigClangLoadFromCommandLine(args_begin, args_end, errors_ptr, errors_len,
5133	resources_path);
5134	if (ast_unit == nullptr) {
5135	if (*errors_len == 0) return ErrorNoMem;
5136	return ErrorCCompileErrors;
5137	}
5138
5139	c->ctx = ZigClangASTUnit_getASTContext(ast_unit);
5140	c->source_manager = ZigClangASTUnit_getSourceManager(ast_unit);
5141	c->root = trans_create_node(c, NodeTypeContainerDecl);
5142	c->root->data.container_decl.is_root = true;
5143
5144	ZigClangASTUnit_visitLocalTopLevelDecls(ast_unit, c, decl_visitor);
5145
5146	process_preprocessor_entities(c, ast_unit);
5147
5148	render_macros(c);
5149	render_aliases(c);
5150
5151	*out_root_node = c->root;
5152
5153	ZigClangASTUnit_delete(ast_unit);
5154
5155	return ErrorNone;
5156	}

src/translate_c.hpp deleted-24

...	@@ -1,24 +0,0 @@
1	/*
2	* Copyright (c) 2015 Andrew Kelley
3	*
4	* This file is part of zig, which is MIT licensed.
5	* See http://opensource.org/licenses/MIT
6	*/
7
8
9	#ifndef ZIG_PARSEC_HPP
10	#define ZIG_PARSEC_HPP
11
12	#include "all_types.hpp"
13
14	enum TranslateMode {
15	TranslateModeImport,
16	TranslateModeTranslate,
17	};
18
19	Error parse_h_file(CodeGen codegen, AstNode *out_root_node,
20	Stage2ErrorMsg *errors_ptr, size_t errors_len,
21	const char args_begin, const char args_end,
22	TranslateMode mode, const char *resources_path);
23
24	#endif

test/tests.zig+2-51

...	@@ -1422,7 +1422,6 @@ pub const TranslateCContext = struct {	...	@@ -1422,7 +1422,6 @@ pub const TranslateCContext = struct {
1422	sources: ArrayList(SourceFile),	1422	sources: ArrayList(SourceFile),
1423	expected_lines: ArrayList([]const u8),	1423	expected_lines: ArrayList([]const u8),
1424	allow_warnings: bool,	1424	allow_warnings: bool,
1425	stage2: bool,
1426		1425
1427	const SourceFile = struct {	1426	const SourceFile = struct {
1428	filename: []const u8,	1427	filename: []const u8,
...	@@ -1475,7 +1474,7 @@ pub const TranslateCContext = struct {	...	@@ -1475,7 +1474,7 @@ pub const TranslateCContext = struct {
1475	var zig_args = ArrayList([]const u8).init(b.allocator);	1474	var zig_args = ArrayList([]const u8).init(b.allocator);
1476	zig_args.append(b.zig_exe) catch unreachable;	1475	zig_args.append(b.zig_exe) catch unreachable;
1477		1476
1478	const translate_c_cmd = if (self.case.stage2) "translate-c-2" else "translate-c";	1477	const translate_c_cmd = "translate-c";
1479	zig_args.append(translate_c_cmd) catch unreachable;	1478	zig_args.append(translate_c_cmd) catch unreachable;
1480	zig_args.append(b.pathFromRoot(root_src)) catch unreachable;	1479	zig_args.append(b.pathFromRoot(root_src)) catch unreachable;
1481		1480
...	@@ -1583,7 +1582,6 @@ pub const TranslateCContext = struct {	...	@@ -1583,7 +1582,6 @@ pub const TranslateCContext = struct {
1583	.sources = ArrayList(TestCase.SourceFile).init(self.b.allocator),	1582	.sources = ArrayList(TestCase.SourceFile).init(self.b.allocator),
1584	.expected_lines = ArrayList([]const u8).init(self.b.allocator),	1583	.expected_lines = ArrayList([]const u8).init(self.b.allocator),
1585	.allow_warnings = allow_warnings,	1584	.allow_warnings = allow_warnings,
1586	.stage2 = false,
1587	};	1585	};
1588		1586
1589	tc.addSourceFile(filename, source);	1587	tc.addSourceFile(filename, source);
...	@@ -1604,53 +1602,6 @@ pub const TranslateCContext = struct {	...	@@ -1604,53 +1602,6 @@ pub const TranslateCContext = struct {
1604	self.addCase(tc);	1602	self.addCase(tc);
1605	}	1603	}
1606		1604
1607	pub fn addC(
1608	self: *TranslateCContext,
1609	name: []const u8,
1610	source: []const u8,
1611	expected_lines: []const []const u8,
1612	) void {
1613	const tc = self.create(false, "source.c", name, source, expected_lines);
1614	self.addCase(tc);
1615	}
1616
1617	pub fn add_both(
1618	self: *TranslateCContext,
1619	name: []const u8,
1620	source: []const u8,
1621	expected_lines: []const []const u8,
1622	) void {
1623	for ([_]bool{ false, true }) \|stage2\| {
1624	const tc = self.create(false, "source.h", name, source, expected_lines);
1625	tc.stage2 = stage2;
1626	self.addCase(tc);
1627	}
1628	}
1629
1630	pub fn addC_both(
1631	self: *TranslateCContext,
1632	name: []const u8,
1633	source: []const u8,
1634	expected_lines: []const []const u8,
1635	) void {
1636	for ([_]bool{ false, true }) \|stage2\| {
1637	const tc = self.create(false, "source.c", name, source, expected_lines);
1638	tc.stage2 = stage2;
1639	self.addCase(tc);
1640	}
1641	}
1642
1643	pub fn add_2(
1644	self: *TranslateCContext,
1645	name: []const u8,
1646	source: []const u8,
1647	expected_lines: []const []const u8,
1648	) void {
1649	const tc = self.create(false, "source.h", name, source, expected_lines);
1650	tc.stage2 = true;
1651	self.addCase(tc);
1652	}
1653
1654	pub fn addAllowWarnings(	1605	pub fn addAllowWarnings(
1655	self: *TranslateCContext,	1606	self: *TranslateCContext,
1656	name: []const u8,	1607	name: []const u8,
...	@@ -1664,7 +1615,7 @@ pub const TranslateCContext = struct {	...	@@ -1664,7 +1615,7 @@ pub const TranslateCContext = struct {
1664	pub fn addCase(self: TranslateCContext, case: const TestCase) void {	1615	pub fn addCase(self: TranslateCContext, case: const TestCase) void {
1665	const b = self.b;	1616	const b = self.b;
1666		1617
1667	const translate_c_cmd = if (case.stage2) "translate-c-2" else "translate-c";	1618	const translate_c_cmd = "translate-c";
1668	const annotated_case_name = fmt.allocPrint(self.b.allocator, "{} {}", .{ translate_c_cmd, case.name }) catch unreachable;	1619	const annotated_case_name = fmt.allocPrint(self.b.allocator, "{} {}", .{ translate_c_cmd, case.name }) catch unreachable;
1669	if (self.test_filter) \|filter\| {	1620	if (self.test_filter) \|filter\| {
1670	if (mem.indexOf(u8, annotated_case_name, filter) == null) return;	1621	if (mem.indexOf(u8, annotated_case_name, filter) == null) return;

test/translate_c.zig+301-1263

 @@ -1,15 +1,9 @@
 const tests = @import("tests.zig");
 const builtin = @import("builtin");
-// add_both - test for stage1 and stage2, in #include mode
-// add - test stage1 only, in #include mode
-// add_2 - test stage2 only
-// addC_both - test for stage1 and stage2, in -c mode
-// addC - test stage1 only, in -c mode
 pub fn addCases(cases: *tests.TranslateCContext) void {
     /////////////// Cases that pass for both stage1/stage2 ////////////////
-    cases.add_both("simple function prototypes",
+    cases.add("simple function prototypes",
         \\void __attribute__((noreturn)) foo(void);
         \\int bar(void);
     , &[_][]const u8{
 @@ -17,7 +11,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub extern fn bar() c_int;
     });
-    cases.addC_both("simple var decls",
+    cases.add("simple var decls",
         \\void foo(void) {
         \\    int a;
         \\    char b = 123;
 @@ -27,13 +21,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
     , &[_][]const u8{
         \\pub export fn foo() void {
         \\    var a: c_int = undefined;
-        \\    var b: u8 = @as(u8, 123);
+        \\    var b: u8 = @intCast(u8, 123);
         \\    const c: c_int = undefined;
-        \\    const d: c_uint = @as(c_uint, 440);
+        \\    const d: c_uint = @intCast(c_uint, 440);
         \\}
     });
-    cases.addC_both("ignore result, explicit function arguments",
+    cases.add("ignore result, explicit function arguments",
         \\void foo(void) {
         \\    int a;
         \\    1;
 @@ -53,7 +47,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("variables",
+    cases.add("variables",
         \\extern int extern_var;
         \\static const int int_var = 13;
     , &[_][]const u8{
 @@ -62,13 +56,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const int_var: c_int = 13;
     });
-    cases.add_both("const ptr initializer",
+    cases.add("const ptr initializer",
         \\static const char *v0 = "0.0.0";
     , &[_][]const u8{
         \\pub var v0: [*c]const u8 = "0.0.0";
     });
-    cases.addC_both("static incomplete array inside function",
+    cases.add("static incomplete array inside function",
         \\void foo(void) {
         \\    static const char v2[] = "2.2.2";
         \\}
 @@ -78,7 +72,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("simple function definition",
+    cases.add("simple function definition",
         \\void foo(void) {}
         \\static void bar(void) {}
     , &[_][]const u8{
 @@ -86,7 +80,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub fn bar() void {}
     });
-    cases.add_both("typedef void",
+    cases.add("typedef void",
         \\typedef void Foo;
         \\Foo fun(Foo *a);
     , &[_][]const u8{
 @@ -95,7 +89,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub extern fn fun(a: ?*Foo) Foo;
     });
-    cases.add_both("duplicate typedef",
+    cases.add("duplicate typedef",
         \\typedef long foo;
         \\typedef int bar;
         \\typedef long foo;
 @@ -106,7 +100,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const baz = c_int;
     });
-    cases.addC_both("casting pointers to ints and ints to pointers",
+    cases.add("casting pointers to ints and ints to pointers",
         \\void foo(void);
         \\void bar(void) {
         \\    void *func_ptr = foo;
 @@ -116,17 +110,17 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub extern fn foo() void;
         \\pub export fn bar() void {
         \\    var func_ptr: ?*c_void = @ptrCast(?*c_void, foo);
-        \\    var typed_func_ptr: ?extern fn () void = @intToPtr(?extern fn () void, @as(c_ulong, @ptrToInt(func_ptr)));
+        \\    var typed_func_ptr: ?extern fn () void = @intToPtr(?extern fn () void, @intCast(c_ulong, @ptrToInt(func_ptr)));
         \\}
     });
-    cases.add_both("noreturn attribute",
+    cases.add("noreturn attribute",
         \\void foo(void) __attribute__((noreturn));
     , &[_][]const u8{
         \\pub extern fn foo() noreturn;
     });
-    cases.addC_both("add, sub, mul, div, rem",
+    cases.add("add, sub, mul, div, rem",
         \\int s() {
         \\    int a, b, c;
         \\    c = a + b;
 @@ -166,7 +160,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_both("typedef of function in struct field",
+    cases.add("typedef of function in struct field",
         \\typedef void lws_callback_function(void);
         \\struct Foo {
         \\    void (*func)(void);
 @@ -180,7 +174,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\};
     });
-    cases.add_both("pointer to struct demoted to opaque due to bit fields",
+    cases.add("pointer to struct demoted to opaque due to bit fields",
         \\struct Foo {
         \\    unsigned int: 1;
         \\};
 @@ -195,13 +189,22 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\};
     });
-    cases.add_both("macro with left shift",
+    cases.add("macro with left shift",
         \\#define REDISMODULE_READ (1<<0)
     , &[_][]const u8{
         \\pub const REDISMODULE_READ = 1 << 0;
     });
-    cases.add_both("double define struct",
+    cases.add("macro with right shift",
+        \\#define FLASH_SIZE         0x200000UL          /* 2 MB   */
+        \\#define FLASH_BANK_SIZE    (FLASH_SIZE >> 1)   /* 1 MB   */
+    , &[_][]const u8{
+        \\pub const FLASH_SIZE = @as(c_ulong, 0x200000);
+    ,
+        \\pub const FLASH_BANK_SIZE = FLASH_SIZE >> 1;
+    });
+    cases.add("double define struct",
         \\typedef struct Bar Bar;
         \\typedef struct Foo Foo;
         \\
 @@ -226,7 +229,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Bar = struct_Bar;
     });
-    cases.add_both("simple struct",
+    cases.add("simple struct",
         \\struct Foo {
         \\    int x;
         \\    char *y;
 @@ -240,7 +243,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Foo = struct_Foo;
     });
-    cases.add_both("self referential struct with function pointer",
+    cases.add("self referential struct with function pointer",
         \\struct Foo {
         \\    void (*derp)(struct Foo *foo);
         \\};
 @@ -252,7 +255,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Foo = struct_Foo;
     });
-    cases.add_both("struct prototype used in func",
+    cases.add("struct prototype used in func",
         \\struct Foo;
         \\struct Foo *some_func(struct Foo *foo, int x);
     , &[_][]const u8{
 @@ -263,13 +266,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Foo = struct_Foo;
     });
-    cases.add_both("#define an unsigned integer literal",
+    cases.add("#define an unsigned integer literal",
         \\#define CHANNEL_COUNT 24
     , &[_][]const u8{
         \\pub const CHANNEL_COUNT = 24;
     });
-    cases.add_both("#define referencing another #define",
+    cases.add("#define referencing another #define",
         \\#define THING2 THING1
         \\#define THING1 1234
     , &[_][]const u8{
 @@ -278,7 +281,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const THING2 = THING1;
     });
-    cases.add_both("circular struct definitions",
+    cases.add("circular struct definitions",
         \\struct Bar;
         \\
         \\struct Foo {
 @@ -298,13 +301,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\};
     });
-    cases.add_both("#define string",
+    cases.add("#define string",
         \\#define  foo  "a string"
     , &[_][]const u8{
         \\pub const foo = "a string";
     });
-    cases.add_both("zig keywords in C code",
+    cases.add("zig keywords in C code",
         \\struct comptime {
         \\    int defer;
         \\};
 @@ -316,13 +319,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const @"comptime" = struct_comptime;
     });
-    cases.add_both("macro with parens around negative number",
+    cases.add("macro with parens around negative number",
         \\#define LUA_GLOBALSINDEX        (-10002)
     , &[_][]const u8{
         \\pub const LUA_GLOBALSINDEX = -10002;
     });
-    cases.add_both(
+    cases.add(
         "u integer suffix after 0 (zero) in macro definition",
         "#define ZERO 0U",
         &[_][]const u8{
 @@ -330,7 +333,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.add_both(
+    cases.add(
         "l integer suffix after 0 (zero) in macro definition",
         "#define ZERO 0L",
         &[_][]const u8{
 @@ -338,7 +341,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.add_both(
+    cases.add(
         "ul integer suffix after 0 (zero) in macro definition",
         "#define ZERO 0UL",
         &[_][]const u8{
 @@ -346,7 +349,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.add_both(
+    cases.add(
         "lu integer suffix after 0 (zero) in macro definition",
         "#define ZERO 0LU",
         &[_][]const u8{
 @@ -354,7 +357,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.add_both(
+    cases.add(
         "ll integer suffix after 0 (zero) in macro definition",
         "#define ZERO 0LL",
         &[_][]const u8{
 @@ -362,7 +365,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.add_both(
+    cases.add(
         "ull integer suffix after 0 (zero) in macro definition",
         "#define ZERO 0ULL",
         &[_][]const u8{
 @@ -370,7 +373,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.add_both(
+    cases.add(
         "llu integer suffix after 0 (zero) in macro definition",
         "#define ZERO 0LLU",
         &[_][]const u8{
 @@ -378,7 +381,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.add_both(
+    cases.add(
         "bitwise not on u-suffixed 0 (zero) in macro definition",
         "#define NOT_ZERO (~0U)",
         &[_][]const u8{
 @@ -386,7 +389,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         },
     );
-    cases.addC_both("null statements",
+    cases.add("null statements",
         \\void foo(void) {
         \\    ;;;;;
         \\}
 @@ -402,7 +405,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
     if (builtin.os != builtin.Os.windows) {
         // Windows treats this as an enum with type c_int
-        cases.add_both("big negative enum init values when C ABI supports long long enums",
+        cases.add("big negative enum init values when C ABI supports long long enums",
             \\enum EnumWithInits {
             \\    VAL01 = 0,
             \\    VAL02 = 1,
 @@ -457,7 +460,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         });
     }
-    cases.addC_both("predefined expressions",
+    cases.add("predefined expressions",
         \\void foo(void) {
         \\    __func__;
         \\    __FUNCTION__;
 @@ -471,7 +474,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("ignore result, no function arguments",
+    cases.add("ignore result, no function arguments",
         \\void foo() {
         \\    int a;
         \\    1;
 @@ -491,19 +494,19 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_both("constant size array",
+    cases.add("constant size array",
         \\void func(int array[20]);
     , &[_][]const u8{
         \\pub extern fn func(array: [*c]c_int) void;
     });
-    cases.add_both("__cdecl doesn't mess up function pointers",
+    cases.add("__cdecl doesn't mess up function pointers",
         \\void foo(void (__cdecl *fn_ptr)(void));
     , &[_][]const u8{
         \\pub extern fn foo(fn_ptr: ?extern fn () void) void;
     });
-    cases.addC_both("void cast",
+    cases.add("void cast",
         \\void foo() {
         \\    int a;
         \\    (void) a;
 @@ -515,7 +518,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("implicit cast to void *",
+    cases.add("implicit cast to void *",
         \\void *foo() {
         \\    unsigned short *x;
         \\    return x;
 @@ -527,7 +530,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("null pointer implicit cast",
+    cases.add("null pointer implicit cast",
         \\int* foo(void) {
         \\    return 0;
         \\}
 @@ -537,7 +540,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_both("simple union",
+    cases.add("simple union",
         \\union Foo {
         \\    int x;
         \\    double y;
 @@ -551,7 +554,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Foo = union_Foo;
     });
-    cases.addC_both("string literal",
+    cases.add("string literal",
         \\const char *foo(void) {
         \\    return "bar";
         \\}
 @@ -561,7 +564,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("return void",
+    cases.add("return void",
         \\void foo(void) {
         \\    return;
         \\}
 @@ -571,7 +574,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("for loop",
+    cases.add("for loop",
         \\void foo(void) {
         \\    for (int i = 0; i; i = i + 1) { }
         \\}
 @@ -584,7 +587,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("empty for loop",
+    cases.add("empty for loop",
         \\void foo(void) {
         \\    for (;;) { }
         \\}
 @@ -594,7 +597,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("break statement",
+    cases.add("break statement",
         \\void foo(void) {
         \\    for (;;) {
         \\        break;
 @@ -608,7 +611,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("continue statement",
+    cases.add("continue statement",
         \\void foo(void) {
         \\    for (;;) {
         \\        continue;
 @@ -622,7 +625,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("pointer casting",
+    cases.add("pointer casting",
         \\float *ptrcast() {
         \\    int *a;
         \\    return (float *)a;
 @@ -634,7 +637,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("pointer conversion with different alignment",
+    cases.add("pointer conversion with different alignment",
         \\void test_ptr_cast() {
         \\    void *p;
         \\    {
 @@ -668,7 +671,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("while on non-bool",
+    cases.add("while on non-bool",
         \\int while_none_bool() {
         \\    int a;
         \\    float b;
 @@ -690,7 +693,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("for on non-bool",
+    cases.add("for on non-bool",
         \\int for_none_bool() {
         \\    int a;
         \\    float b;
 @@ -712,7 +715,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("bitshift",
+    cases.add("bitshift",
         \\int foo(void) {
         \\    return (1 << 2) >> 1;
         \\}
 @@ -722,7 +725,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("sizeof",
+    cases.add("sizeof",
         \\#include <stddef.h>
         \\size_t size_of(void) {
         \\        return sizeof(int);
 @@ -733,7 +736,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("normal deref",
+    cases.add("normal deref",
         \\void foo() {
         \\    int *x;
         \\    *x = 1;
 @@ -745,7 +748,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("address of operator",
+    cases.add("address of operator",
         \\int foo(void) {
         \\    int x = 1234;
         \\    int *ptr = &x;
 @@ -759,7 +762,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("bin not",
+    cases.add("bin not",
         \\int foo() {
         \\    int x;
         \\    return ~x;
 @@ -771,7 +774,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC_both("bool not",
+    cases.add("bool not",
         \\int foo() {
         \\    int a;
         \\    float b;
 @@ -793,7 +796,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.addC("__extension__ cast",
+    cases.add("__extension__ cast",
         \\int foo(void) {
         \\    return __extension__ 1;
         \\}
 @@ -805,16 +808,14 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
     if (builtin.os != builtin.Os.windows) {
         // sysv_abi not currently supported on windows
-        cases.add_both("Macro qualified functions",
+        cases.add("Macro qualified functions",
             \\void __attribute__((sysv_abi)) foo(void);
         , &[_][]const u8{
             \\pub extern fn foo() void;
         });
     }
-    /////////////// Cases that pass for only stage2 ////////////////
+    cases.add("Forward-declared enum",
-    cases.add_2("Forward-declared enum",
         \\extern enum enum_ty my_enum;
         \\enum enum_ty { FOO };
     , &[_][]const u8{
 @@ -825,7 +826,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub extern var my_enum: enum_enum_ty;
     });
-    cases.add_2("Parameterless function pointers",
+    cases.add("Parameterless function pointers",
         \\typedef void (*fn0)();
         \\typedef void (*fn1)(char);
     , &[_][]const u8{
 @@ -833,7 +834,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const fn1 = ?extern fn (u8) void;
     });
-    cases.add_2("Parameterless function prototypes",
+    cases.add("Parameterless function prototypes",
         \\void a() {}
         \\void b(void) {}
         \\void c();
 @@ -845,7 +846,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub extern fn d() void;
     });
-    cases.add_2("variable declarations",
+    cases.add("variable declarations",
         \\extern char arr0[] = "hello";
         \\static char arr1[] = "hello";
         \\char arr2[] = "hello";
 @@ -855,7 +856,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub export var arr2: [*c]u8 = "hello";
     });
-    cases.add_2("array initializer expr",
+    cases.add("array initializer expr",
         \\static void foo(void){
         \\    char arr[10] ={1};
         \\    char *arr1[10] ={0};
 @@ -863,7 +864,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
     , &[_][]const u8{
         \\pub fn foo() void {
         \\    var arr: [10]u8 = .{
-        \\        @as(u8, 1),
+        \\        @intCast(u8, 1),
         \\    } ++ .{0} ** 9;
         \\    var arr1: [10][*c]u8 = .{
         \\        null,
 @@ -871,7 +872,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("enums",
+    cases.add("enums",
         \\typedef enum {
         \\    a,
         \\    b,
 @@ -938,61 +939,61 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Baz = struct_Baz;
     });
-    cases.add_2("#define a char literal",
+    cases.add("#define a char literal",
         \\#define A_CHAR  'a'
     , &[_][]const u8{
         \\pub const A_CHAR = 'a';
     });
-    cases.add_2("comment after integer literal",
+    cases.add("comment after integer literal",
         \\#define SDL_INIT_VIDEO 0x00000020  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = 0x00000020;
     });
-    cases.add_2("u integer suffix after hex literal",
+    cases.add("u integer suffix after hex literal",
         \\#define SDL_INIT_VIDEO 0x00000020u  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = @as(c_uint, 0x00000020);
     });
-    cases.add_2("l integer suffix after hex literal",
+    cases.add("l integer suffix after hex literal",
         \\#define SDL_INIT_VIDEO 0x00000020l  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = @as(c_long, 0x00000020);
     });
-    cases.add_2("ul integer suffix after hex literal",
+    cases.add("ul integer suffix after hex literal",
         \\#define SDL_INIT_VIDEO 0x00000020ul  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = @as(c_ulong, 0x00000020);
     });
-    cases.add_2("lu integer suffix after hex literal",
+    cases.add("lu integer suffix after hex literal",
         \\#define SDL_INIT_VIDEO 0x00000020lu  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = @as(c_ulong, 0x00000020);
     });
-    cases.add_2("ll integer suffix after hex literal",
+    cases.add("ll integer suffix after hex literal",
         \\#define SDL_INIT_VIDEO 0x00000020ll  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = @as(c_longlong, 0x00000020);
     });
-    cases.add_2("ull integer suffix after hex literal",
+    cases.add("ull integer suffix after hex literal",
         \\#define SDL_INIT_VIDEO 0x00000020ull  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = @as(c_ulonglong, 0x00000020);
     });
-    cases.add_2("llu integer suffix after hex literal",
+    cases.add("llu integer suffix after hex literal",
         \\#define SDL_INIT_VIDEO 0x00000020llu  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
     , &[_][]const u8{
         \\pub const SDL_INIT_VIDEO = @as(c_ulonglong, 0x00000020);
     });
-    cases.add_2("generate inline func for #define global extern fn",
+    cases.add("generate inline func for #define global extern fn",
         \\extern void (*fn_ptr)(void);
         \\#define foo fn_ptr
         \\
 @@ -1012,7 +1013,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("macros with field targets",
+    cases.add("macros with field targets",
         \\typedef unsigned int GLbitfield;
         \\typedef void (*PFNGLCLEARPROC) (GLbitfield mask);
         \\typedef void(*OpenGLProc)(void);
 @@ -1047,13 +1048,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const OpenGLProcs = union_OpenGLProcs;
     });
-    cases.add_2("macro pointer cast",
+    cases.add("macro pointer cast",
         \\#define NRF_GPIO ((NRF_GPIO_Type *) NRF_GPIO_BASE)
     , &[_][]const u8{
         \\pub const NRF_GPIO = if (@typeId(@TypeOf(NRF_GPIO_BASE)) == .Pointer) @ptrCast([*c]NRF_GPIO_Type, NRF_GPIO_BASE) else if (@typeId(@TypeOf(NRF_GPIO_BASE)) == .Int) @intToPtr([*c]NRF_GPIO_Type, NRF_GPIO_BASE) else @as([*c]NRF_GPIO_Type, NRF_GPIO_BASE);
     });
-    cases.add_2("basic macro function",
+    cases.add("basic macro function",
         \\extern int c;
         \\#define BASIC(c) (c*2)
     , &[_][]const u8{
 @@ -1064,7 +1065,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("macro defines string literal with hex",
+    cases.add("macro defines string literal with hex",
         \\#define FOO "aoeu\xab derp"
         \\#define FOO2 "aoeu\x0007a derp"
         \\#define FOO_CHAR '\xfF'
 @@ -1076,7 +1077,19 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const FOO_CHAR = '\xff';
     });
-    cases.add_2("variable aliasing",
+    cases.add("macro add",
+        \\#define PERIPH_BASE               (0x40000000UL) /*!< Base address of : AHB/APB Peripherals                                                   */
+        \\#define D3_APB1PERIPH_BASE       (PERIPH_BASE + 0x18000000UL)
+        \\#define RCC_BASE              (D3_AHB1PERIPH_BASE + 0x4400UL)
+    , &[_][]const u8{
+        \\pub const PERIPH_BASE = @as(c_ulong, 0x40000000);
+    ,
+        \\pub const D3_APB1PERIPH_BASE = PERIPH_BASE + @as(c_ulong, 0x18000000);
+    ,
+        \\pub const RCC_BASE = D3_AHB1PERIPH_BASE + @as(c_ulong, 0x4400);
+    });
+    cases.add("variable aliasing",
         \\static long a = 2;
         \\static long b = 2;
         \\static int c = 4;
 @@ -1090,29 +1103,28 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    unsigned d = 440;
         \\}
     , &[_][]const u8{
-        \\pub var a: c_long = @as(c_long, 2);
+        \\pub var a: c_long = @intCast(c_long, 2);
-        \\pub var b: c_long = @as(c_long, 2);
+        \\pub var b: c_long = @intCast(c_long, 2);
         \\pub var c: c_int = 4;
         \\pub export fn foo(_arg_c_1: u8) void {
         \\    var c_1 = _arg_c_1;
         \\    var a_2: c_int = undefined;
-        \\    var b_3: u8 = @as(u8, 123);
+        \\    var b_3: u8 = @intCast(u8, 123);
-        \\    b_3 = @as(u8, a_2);
+        \\    b_3 = @intCast(u8, a_2);
         \\    {
         \\        var d: c_int = 5;
         \\    }
-        \\    var d: c_uint = @as(c_uint, 440);
+        \\    var d: c_uint = @intCast(c_uint, 440);
         \\}
     });
-    cases.add_2("comma operator",
+    cases.add("comma operator",
-        \\int foo(char c) {
+        \\int foo() {
         \\    2, 4;
         \\    return 2, 4, 6;
         \\}
     , &[_][]const u8{
-        \\pub export fn foo(_arg_c: u8) c_int {
+        \\pub export fn foo() c_int {
-        \\    var c = _arg_c;
         \\    _ = 2;
         \\    _ = 4;
         \\    _ = 2;
 @@ -1121,15 +1133,14 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("wors-case assign",
+    cases.add("worst-case assign",
-        \\int foo(char c) {
+        \\int foo() {
         \\    int a;
         \\    int b;
         \\    a = b = 2;
         \\}
     , &[_][]const u8{
-        \\pub export fn foo(_arg_c: u8) c_int {
+        \\pub export fn foo() c_int {
-        \\    var c = _arg_c;
         \\    var a: c_int = undefined;
         \\    var b: c_int = undefined;
         \\    a = blk: {
 @@ -1140,8 +1151,8 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("if statements",
+    cases.add("if statements",
-        \\int foo(char c) {
+        \\int foo() {
         \\    if (2) {
         \\        int a = 2;
         \\    }
 @@ -1150,8 +1161,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    }
         \\}
     , &[_][]const u8{
-        \\pub export fn foo(_arg_c: u8) c_int {
+        \\pub export fn foo() c_int {
-        \\    var c = _arg_c;
         \\    if (2 != 0) {
         \\        var a: c_int = 2;
         \\    }
 @@ -1164,7 +1174,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("while loops",
+    cases.add("while loops",
         \\int foo() {
         \\    int a = 5;
         \\    while (2)
 @@ -1204,7 +1214,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("for loops",
+    cases.add("for loops",
         \\int foo() {
         \\    for (int i = 2, b = 4; i + 2; i = 2) {
         \\        int a = 2;
 @@ -1224,17 +1234,17 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\            _ = 7;
         \\        }
         \\    }
-        \\    var i: u8 = @as(u8, 2);
+        \\    var i: u8 = @intCast(u8, 2);
         \\}
     });
-    cases.add_2("shadowing primitive types",
+    cases.add("shadowing primitive types",
         \\unsigned anyerror = 2;
     , &[_][]const u8{
-        \\pub export var _anyerror: c_uint = @as(c_uint, 2);
+        \\pub export var _anyerror: c_uint = @intCast(c_uint, 2);
     });
-    cases.add_2("floats",
+    cases.add("floats",
         \\float a = 3.1415;
         \\double b = 3.1415;
         \\int c = 3.1415;
 @@ -1246,7 +1256,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub export var d: f64 = @intToFloat(f64, 3);
     });
-    cases.add_2("conditional operator",
+    cases.add("conditional operator",
         \\int bar(void) {
         \\    if (2 ? 5 : 5 ? 4 : 6) 2;
         \\    return  2 ? 5 : 5 ? 4 : 6;
 @@ -1258,7 +1268,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("switch on int",
+    cases.add("switch on int",
         \\int switch_fn(int i) {
         \\    int res = 0;
         \\    switch (i) {
 @@ -1274,15 +1284,15 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    }
         \\}
     , &[_][]const u8{
-        \\pub export fn switch_fn(_arg_i: c_int) c_int {
+        \\pub export fn switch_fn(_arg_i_1: c_int) c_int {
-        \\    var i = _arg_i;
+        \\    var i_1 = _arg_i_1;
         \\    var res: c_int = 0;
         \\    __switch: {
         \\        __case_2: {
         \\            __default: {
         \\                __case_1: {
         \\                    __case_0: {
-        \\                        switch (i) {
+        \\                        switch (i_1) {
         \\                            0 => break :__case_0,
         \\                            1...3 => break :__case_1,
         \\                            else => break :__default,
 @@ -1293,7 +1303,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\                }
         \\                res = 2;
         \\            }
-        \\            res = (3 * i);
+        \\            res = (3 * i_1);
         \\            break :__switch;
         \\        }
         \\        res = 5;
 @@ -1301,7 +1311,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("type referenced struct",
+    cases.add("type referenced struct",
         \\struct Foo {
         \\    struct Bar{
         \\        int b;
 @@ -1317,52 +1327,52 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\};
     });
-    cases.add_2("undefined array global",
+    cases.add("undefined array global",
         \\int array[100] = {};
     , &[_][]const u8{
         \\pub export var array: [100]c_int = .{0} ** 100;
     });
-    cases.add_2("restrict -> noalias",
+    cases.add("restrict -> noalias",
         \\void foo(void *restrict bar, void *restrict);
     , &[_][]const u8{
         \\pub extern fn foo(noalias bar: ?*c_void, noalias ?*c_void) void;
     });
-    cases.add_2("assign",
+    cases.add("assign",
         \\int max(int a) {
         \\    int tmp;
         \\    tmp = a;
         \\    a = tmp;
         \\}
     , &[_][]const u8{
-        \\pub export fn max(_arg_a: c_int) c_int {
+        \\pub export fn max(_arg_a_1: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
         \\    var tmp: c_int = undefined;
-        \\    tmp = a;
+        \\    tmp = a_1;
-        \\    a = tmp;
+        \\    a_1 = tmp;
         \\}
     });
-    cases.add_2("chaining assign",
+    cases.add("chaining assign",
         \\void max(int a) {
         \\    int b, c;
         \\    c = b = a;
         \\}
     , &[_][]const u8{
-        \\pub export fn max(_arg_a: c_int) void {
+        \\pub export fn max(_arg_a_1: c_int) void {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
         \\    var b: c_int = undefined;
         \\    var c: c_int = undefined;
         \\    c = blk: {
-        \\        const _tmp_1 = a;
+        \\        const _tmp_2 = a_1;
-        \\        b = _tmp_1;
+        \\        b = _tmp_2;
-        \\        break :blk _tmp_1;
+        \\        break :blk _tmp_2;
         \\    };
         \\}
     });
-    cases.add_2("anonymous enum",
+    cases.add("anonymous enum",
         \\enum {
         \\    One,
         \\    Two,
 @@ -1376,18 +1386,18 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\};
     });
-    cases.add_2("c style cast",
+    cases.add("c style cast",
         \\int float_to_int(float a) {
         \\    return (int)a;
         \\}
     , &[_][]const u8{
-        \\pub export fn float_to_int(_arg_a: f32) c_int {
+        \\pub export fn float_to_int(_arg_a_1: f32) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    return @floatToInt(c_int, a);
+        \\    return @floatToInt(c_int, a_1);
         \\}
     });
-    cases.add_2("escape sequences",
+    cases.add("escape sequences",
         \\const char *escapes() {
         \\char a = '\'',
         \\    b = '\\',
 @@ -1405,22 +1415,22 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\
     , &[_][]const u8{
         \\pub export fn escapes() [*c]const u8 {
-        \\    var a: u8 = @as(u8, '\'');
+        \\    var a: u8 = @intCast(u8, '\'');
-        \\    var b: u8 = @as(u8, '\\');
+        \\    var b: u8 = @intCast(u8, '\\');
-        \\    var c: u8 = @as(u8, '\x07');
+        \\    var c: u8 = @intCast(u8, '\x07');
-        \\    var d: u8 = @as(u8, '\x08');
+        \\    var d: u8 = @intCast(u8, '\x08');
-        \\    var e: u8 = @as(u8, '\x0c');
+        \\    var e: u8 = @intCast(u8, '\x0c');
-        \\    var f: u8 = @as(u8, '\n');
+        \\    var f: u8 = @intCast(u8, '\n');
-        \\    var g: u8 = @as(u8, '\r');
+        \\    var g: u8 = @intCast(u8, '\r');
-        \\    var h: u8 = @as(u8, '\t');
+        \\    var h: u8 = @intCast(u8, '\t');
-        \\    var i: u8 = @as(u8, '\x0b');
+        \\    var i: u8 = @intCast(u8, '\x0b');
-        \\    var j: u8 = @as(u8, '\x00');
+        \\    var j: u8 = @intCast(u8, '\x00');
-        \\    var k: u8 = @as(u8, '\"');
+        \\    var k: u8 = @intCast(u8, '\"');
         \\    return "\'\\\x07\x08\x0c\n\r\t\x0b\x00\"";
         \\}
     });
-    cases.add_2("do loop",
+    cases.add("do loop",
         \\void foo(void) {
         \\    int a = 2;
         \\    do {
 @@ -1447,7 +1457,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("logical and, logical or, on non-bool values, extra parens",
+    cases.add("logical and, logical or, on non-bool values, extra parens",
         \\enum Foo {
         \\    FooA,
         \\    FooB,
 @@ -1477,30 +1487,30 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    C,
         \\};
         \\pub const SomeTypedef = c_int;
-        \\pub export fn and_or_non_bool(_arg_a: c_int, _arg_b: f32, _arg_c: ?*c_void) c_int {
+        \\pub export fn and_or_non_bool(_arg_a_1: c_int, _arg_b_2: f32, _arg_c_3: ?*c_void) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    var b = _arg_b;
+        \\    var b_2 = _arg_b_2;
-        \\    var c = _arg_c;
+        \\    var c_3 = _arg_c_3;
         \\    var d: enum_Foo = @intToEnum(enum_Foo, FooA);
-        \\    var e: c_int = @boolToInt(((a != 0) and (b != 0)));
+        \\    var e: c_int = @boolToInt(((a_1 != 0) and (b_2 != 0)));
-        \\    var f: c_int = @boolToInt(((b != 0) and (c != null)));
+        \\    var f: c_int = @boolToInt(((b_2 != 0) and (c_3 != null)));
-        \\    var g: c_int = @boolToInt(((a != 0) and (c != null)));
+        \\    var g: c_int = @boolToInt(((a_1 != 0) and (c_3 != null)));
-        \\    var h: c_int = @boolToInt(((a != 0) or (b != 0)));
+        \\    var h: c_int = @boolToInt(((a_1 != 0) or (b_2 != 0)));
-        \\    var i: c_int = @boolToInt(((b != 0) or (c != null)));
+        \\    var i: c_int = @boolToInt(((b_2 != 0) or (c_3 != null)));
-        \\    var j: c_int = @boolToInt(((a != 0) or (c != null)));
+        \\    var j: c_int = @boolToInt(((a_1 != 0) or (c_3 != null)));
-        \\    var k: c_int = @boolToInt(((a != 0) or (@enumToInt(d) != 0)));
+        \\    var k: c_int = @boolToInt(((a_1 != 0) or (@enumToInt(d) != 0)));
-        \\    var l: c_int = @boolToInt(((@enumToInt(d) != 0) and (b != 0)));
+        \\    var l: c_int = @boolToInt(((@enumToInt(d) != 0) and (b_2 != 0)));
-        \\    var m: c_int = @boolToInt(((c != null) or (@enumToInt(d) != 0)));
+        \\    var m: c_int = @boolToInt(((c_3 != null) or (@enumToInt(d) != 0)));
         \\    var td: SomeTypedef = 44;
-        \\    var o: c_int = @boolToInt(((td != 0) or (b != 0)));
+        \\    var o: c_int = @boolToInt(((td != 0) or (b_2 != 0)));
-        \\    var p: c_int = @boolToInt(((c != null) and (td != 0)));
+        \\    var p: c_int = @boolToInt(((c_3 != null) and (td != 0)));
         \\    return ((((((((((e + f) + g) + h) + i) + j) + k) + l) + m) + o) + p);
         \\}
     ,
         \\pub const Foo = enum_Foo;
     });
-    cases.add_2("qualified struct and enum",
+    cases.add("qualified struct and enum",
         \\struct Foo {
         \\    int x;
         \\    int y;
 @@ -1526,19 +1536,19 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Bar = enum_Bar;
     });
-    cases.add_2("bitwise binary operators, simpler parens",
+    cases.add("bitwise binary operators, simpler parens",
         \\int max(int a, int b) {
         \\    return (a & b) ^ (a | b);
         \\}
     , &[_][]const u8{
-        \\pub export fn max(_arg_a: c_int, _arg_b: c_int) c_int {
+        \\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    var b = _arg_b;
+        \\    var b_2 = _arg_b_2;
-        \\    return ((a & b) ^ (a | b));
+        \\    return ((a_1 & b_2) ^ (a_1 | b_2));
         \\}
     });
-    cases.add_2("comparison operators (no if)", // TODO Come up with less contrived tests? Make sure to cover all these comparisons.
+    cases.add("comparison operators (no if)", // TODO Come up with less contrived tests? Make sure to cover all these comparisons.
         \\int test_comparisons(int a, int b) {
         \\    int c = (a < b);
         \\    int d = (a > b);
 @@ -1550,13 +1560,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    return i;
         \\}
     , &[_][]const u8{
-        \\pub export fn test_comparisons(_arg_a: c_int, _arg_b: c_int) c_int {
+        \\pub export fn test_comparisons(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    var b = _arg_b;
+        \\    var b_2 = _arg_b_2;
-        \\    var c: c_int = @boolToInt((a < b));
+        \\    var c: c_int = @boolToInt((a_1 < b_2));
-        \\    var d: c_int = @boolToInt((a > b));
+        \\    var d: c_int = @boolToInt((a_1 > b_2));
-        \\    var e: c_int = @boolToInt((a <= b));
+        \\    var e: c_int = @boolToInt((a_1 <= b_2));
-        \\    var f: c_int = @boolToInt((a >= b));
+        \\    var f: c_int = @boolToInt((a_1 >= b_2));
         \\    var g: c_int = @boolToInt((c < d));
         \\    var h: c_int = @boolToInt((e < f));
         \\    var i: c_int = @boolToInt((g < h));
 @@ -1564,7 +1574,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("==, !=",
+    cases.add("==, !=",
         \\int max(int a, int b) {
         \\    if (a == b)
         \\        return a;
 @@ -1573,16 +1583,16 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    return a;
         \\}
     , &[_][]const u8{
-        \\pub export fn max(_arg_a: c_int, _arg_b: c_int) c_int {
+        \\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    var b = _arg_b;
+        \\    var b_2 = _arg_b_2;
-        \\    if (a == b) return a;
+        \\    if (a_1 == b_2) return a_1;
-        \\    if (a != b) return b;
+        \\    if (a_1 != b_2) return b_2;
-        \\    return a;
+        \\    return a_1;
         \\}
     });
-    cases.add_2("typedeffed bool expression",
+    cases.add("typedeffed bool expression",
         \\typedef char* yes;
         \\void foo(void) {
         \\    yes a;
 @@ -1596,7 +1606,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("statement expression",
+    cases.add("statement expression",
         \\int foo(void) {
         \\    return ({
         \\        int a = 1;
 @@ -1614,7 +1624,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("field access expression",
+    cases.add("field access expression",
         \\#define ARROW a->b
         \\#define DOT a.b
         \\extern struct Foo {
 @@ -1643,7 +1653,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const ARROW = a.*.b;
     });
-    cases.add_2("array access",
+    cases.add("array access",
         \\#define ACCESS array[2]
         \\int array[100] = {};
         \\int foo(int index) {
 @@ -1651,15 +1661,15 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     , &[_][]const u8{
         \\pub export var array: [100]c_int = .{0} ** 100;
-        \\pub export fn foo(_arg_index: c_int) c_int {
+        \\pub export fn foo(_arg_index_1: c_int) c_int {
-        \\    var index = _arg_index;
+        \\    var index_1 = _arg_index_1;
-        \\    return array[index];
+        \\    return array[index_1];
         \\}
     ,
         \\pub const ACCESS = array[2];
     });
-    cases.add_2("macro call",
+    cases.add("macro call",
         \\#define CALL(arg) bar(arg)
     , &[_][]const u8{
         \\pub inline fn CALL(arg: var) @TypeOf(bar(arg)) {
 @@ -1667,7 +1677,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("logical and, logical or",
+    cases.add("logical and, logical or",
         \\int max(int a, int b) {
         \\    if (a < b || a == b)
         \\        return b;
 @@ -1676,16 +1686,16 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    return a;
         \\}
     , &[_][]const u8{
-        \\pub export fn max(_arg_a: c_int, _arg_b: c_int) c_int {
+        \\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    var b = _arg_b;
+        \\    var b_2 = _arg_b_2;
-        \\    if ((a < b) or (a == b)) return b;
+        \\    if ((a_1 < b_2) or (a_1 == b_2)) return b_2;
-        \\    if ((a >= b) and (a == b)) return a;
+        \\    if ((a_1 >= b_2) and (a_1 == b_2)) return a_1;
-        \\    return a;
+        \\    return a_1;
         \\}
     });
-    cases.add_2("if statement",
+    cases.add("if statement",
         \\int max(int a, int b) {
         \\    if (a < b)
         \\        return b;
 @@ -1698,16 +1708,16 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    if (a < b) ; else ;
         \\}
     , &[_][]const u8{
-        \\pub export fn max(_arg_a: c_int, _arg_b: c_int) c_int {
+        \\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    var b = _arg_b;
+        \\    var b_2 = _arg_b_2;
-        \\    if (a < b) return b;
+        \\    if (a_1 < b_2) return b_2;
-        \\    if (a < b) return b else return a;
+        \\    if (a_1 < b_2) return b_2 else return a_1;
-        \\    if (a < b) {} else {}
+        \\    if (a_1 < b_2) {} else {}
         \\}
     });
-    cases.add_2("if on non-bool",
+    cases.add("if on non-bool",
         \\enum SomeEnum { A, B, C };
         \\int if_none_bool(int a, float b, void *c, enum SomeEnum d) {
         \\    if (a) return 0;
 @@ -1722,20 +1732,20 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    B,
         \\    C,
         \\};
-        \\pub export fn if_none_bool(_arg_a: c_int, _arg_b: f32, _arg_c: ?*c_void, _arg_d: enum_SomeEnum) c_int {
+        \\pub export fn if_none_bool(_arg_a_1: c_int, _arg_b_2: f32, _arg_c_3: ?*c_void, _arg_d_4: enum_SomeEnum) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    var b = _arg_b;
+        \\    var b_2 = _arg_b_2;
-        \\    var c = _arg_c;
+        \\    var c_3 = _arg_c_3;
-        \\    var d = _arg_d;
+        \\    var d_4 = _arg_d_4;
-        \\    if (a != 0) return 0;
+        \\    if (a_1 != 0) return 0;
-        \\    if (b != 0) return 1;
+        \\    if (b_2 != 0) return 1;
-        \\    if (c != null) return 2;
+        \\    if (c_3 != null) return 2;
-        \\    if (d != 0) return 3;
+        \\    if (d_4 != 0) return 3;
         \\    return 4;
         \\}
     });
-    cases.add_2("simple data types",
+    cases.add("simple data types",
         \\#include <stdint.h>
         \\int foo(char a, unsigned char b, signed char c);
         \\int foo(char a, unsigned char b, signed char c); // test a duplicate prototype
 @@ -1747,18 +1757,18 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub extern fn baz(a: i8, b: i16, c: i32, d: i64) void;
     });
-    cases.add_2("simple function",
+    cases.add("simple function",
         \\int abs(int a) {
         \\    return a < 0 ? -a : a;
         \\}
     , &[_][]const u8{
-        \\pub export fn abs(_arg_a: c_int) c_int {
+        \\pub export fn abs(_arg_a_1: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    return if (a < 0) -a else a;
+        \\    return if (a_1 < 0) -a_1 else a_1;
         \\}
     });
-    cases.add_2("post increment",
+    cases.add("post increment",
         \\unsigned foo1(unsigned a) {
         \\    a++;
         \\    return a;
 @@ -1768,19 +1778,19 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    return a;
         \\}
     , &[_][]const u8{
-        \\pub export fn foo1(_arg_a: c_uint) c_uint {
+        \\pub export fn foo1(_arg_a_1: c_uint) c_uint {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
-        \\    a +%= 1;
+        \\    a_1 +%= 1;
-        \\    return a;
+        \\    return a_1;
         \\}
-        \\pub export fn foo2(_arg_a: c_int) c_int {
+        \\pub export fn foo2(_arg_a_2: c_int) c_int {
-        \\    var a = _arg_a;
+        \\    var a_2 = _arg_a_2;
-        \\    a += 1;
+        \\    a_2 += 1;
-        \\    return a;
+        \\    return a_2;
         \\}
     });
-    cases.add_2("deref function pointer",
+    cases.add("deref function pointer",
         \\void foo(void) {}
         \\int baz(void) { return 0; }
         \\void bar(void) {
 @@ -1810,7 +1820,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("pre increment/decrement",
+    cases.add("pre increment/decrement",
         \\void foo(void) {
         \\    int i = 0;
         \\    unsigned u = 0;
 @@ -1826,7 +1836,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
     , &[_][]const u8{
         \\pub export fn foo() void {
         \\    var i: c_int = 0;
-        \\    var u: c_uint = @as(c_uint, 0);
+        \\    var u: c_uint = @intCast(c_uint, 0);
         \\    i += 1;
         \\    i -= 1;
         \\    u +%= 1;
 @@ -1854,7 +1864,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("shift right assign",
+    cases.add("shift right assign",
         \\int log2(unsigned a) {
         \\    int i = 0;
         \\    while (a > 0) {
 @@ -1863,17 +1873,17 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    return i;
         \\}
     , &[_][]const u8{
-        \\pub export fn log2(_arg_a: c_uint) c_int {
+        \\pub export fn log2(_arg_a_1: c_uint) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
         \\    var i: c_int = 0;
-        \\    while (a > @as(c_uint, 0)) {
+        \\    while (a_1 > @intCast(c_uint, 0)) {
-        \\        a >>= @as(@import("std").math.Log2Int(c_int), 1);
+        \\        a_1 >>= @as(@import("std").math.Log2Int(c_int), 1);
         \\    }
         \\    return i;
         \\}
     });
-    cases.add_2("shift right assign with a fixed size type",
+    cases.add("shift right assign with a fixed size type",
         \\#include <stdint.h>
         \\int log2(uint32_t a) {
         \\    int i = 0;
 @@ -1883,17 +1893,17 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\    return i;
         \\}
     , &[_][]const u8{
-        \\pub export fn log2(_arg_a: u32) c_int {
+        \\pub export fn log2(_arg_a_1: u32) c_int {
-        \\    var a = _arg_a;
+        \\    var a_1 = _arg_a_1;
         \\    var i: c_int = 0;
-        \\    while (a > @as(c_uint, 0)) {
+        \\    while (a_1 > @intCast(c_uint, 0)) {
-        \\        a >>= @as(@import("std").math.Log2Int(c_int), 1);
+        \\        a_1 >>= @as(@import("std").math.Log2Int(c_int), 1);
         \\    }
         \\    return i;
         \\}
     });
-    cases.add_2("compound assignment operators",
+    cases.add("compound assignment operators",
         \\void foo(void) {
         \\    int a = 0;
         \\    a += (a += 1);
 @@ -1951,7 +1961,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("compound assignment operators unsigned",
+    cases.add("compound assignment operators unsigned",
         \\void foo(void) {
         \\    unsigned a = 0;
         \\    a += (a += 1);
 @@ -1965,35 +1975,35 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     , &[_][]const u8{
         \\pub export fn foo() void {
-        \\    var a: c_uint = @as(c_uint, 0);
+        \\    var a: c_uint = @intCast(c_uint, 0);
         \\    a +%= (blk: {
         \\        const _ref_1 = &a;
-        \\        _ref_1.* = _ref_1.* +% @as(c_uint, 1);
+        \\        _ref_1.* = _ref_1.* +% @intCast(c_uint, 1);
         \\        break :blk _ref_1.*;
         \\    });
         \\    a -%= (blk: {
         \\        const _ref_2 = &a;
-        \\        _ref_2.* = _ref_2.* -% @as(c_uint, 1);
+        \\        _ref_2.* = _ref_2.* -% @intCast(c_uint, 1);
         \\        break :blk _ref_2.*;
         \\    });
         \\    a *%= (blk: {
         \\        const _ref_3 = &a;
-        \\        _ref_3.* = _ref_3.* *% @as(c_uint, 1);
+        \\        _ref_3.* = _ref_3.* *% @intCast(c_uint, 1);
         \\        break :blk _ref_3.*;
         \\    });
         \\    a &= (blk: {
         \\        const _ref_4 = &a;
-        \\        _ref_4.* = _ref_4.* & @as(c_uint, 1);
+        \\        _ref_4.* = _ref_4.* & @intCast(c_uint, 1);
         \\        break :blk _ref_4.*;
         \\    });
         \\    a |= (blk: {
         \\        const _ref_5 = &a;
-        \\        _ref_5.* = _ref_5.* | @as(c_uint, 1);
+        \\        _ref_5.* = _ref_5.* | @intCast(c_uint, 1);
         \\        break :blk _ref_5.*;
         \\    });
         \\    a ^= (blk: {
         \\        const _ref_6 = &a;
-        \\        _ref_6.* = _ref_6.* ^ @as(c_uint, 1);
+        \\        _ref_6.* = _ref_6.* ^ @intCast(c_uint, 1);
         \\        break :blk _ref_6.*;
         \\    });
         \\    a >>= @as(@import("std").math.Log2Int(c_uint), (blk: {
 @@ -2009,7 +2019,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("post increment/decrement",
+    cases.add("post increment/decrement",
         \\void foo(void) {
         \\    int i = 0;
         \\    unsigned u = 0;
 @@ -2025,7 +2035,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
     , &[_][]const u8{
         \\pub export fn foo() void {
         \\    var i: c_int = 0;
-        \\    var u: c_uint = @as(c_uint, 0);
+        \\    var u: c_uint = @intCast(c_uint, 0);
         \\    i += 1;
         \\    i -= 1;
         \\    u +%= 1;
 @@ -2057,7 +2067,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("implicit casts",
+    cases.add("implicit casts",
         \\#include <stdbool.h>
         \\
         \\void fn_int(int x);
 @@ -2067,7 +2077,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\void fn_bool(bool x);
         \\void fn_ptr(void *x);
         \\
-        \\void call(int q) {
+        \\void call() {
         \\    fn_int(3.0f);
         \\    fn_int(3.0);
         \\    fn_int(3.0L);
 @@ -2092,17 +2102,16 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub extern fn fn_char(x: u8) void;
         \\pub extern fn fn_bool(x: bool) void;
         \\pub extern fn fn_ptr(x: ?*c_void) void;
-        \\pub export fn call(_arg_q: c_int) void {
+        \\pub export fn call() void {
-        \\    var q = _arg_q;
         \\    fn_int(@floatToInt(c_int, 3));
         \\    fn_int(@floatToInt(c_int, 3));
         \\    fn_int(@floatToInt(c_int, 3));
         \\    fn_int(1094861636);
         \\    fn_f32(@intToFloat(f32, 3));
         \\    fn_f64(@intToFloat(f64, 3));
-        \\    fn_char(@as(u8, '3'));
+        \\    fn_char(@intCast(u8, '3'));
-        \\    fn_char(@as(u8, '\x01'));
+        \\    fn_char(@intCast(u8, '\x01'));
-        \\    fn_char(@as(u8, 0));
+        \\    fn_char(@intCast(u8, 0));
         \\    fn_f32(3);
         \\    fn_f64(3);
         \\    fn_bool(123 != 0);
 @@ -2113,7 +2122,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("function call",
+    cases.add("function call",
         \\static void bar(void) { }
         \\void foo(int *(baz)(void)) {
         \\    bar();
 @@ -2121,14 +2130,14 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     , &[_][]const u8{
         \\pub fn bar() void {}
-        \\pub export fn foo(_arg_baz: ?extern fn () [*c]c_int) void {
+        \\pub export fn foo(_arg_baz_1: ?extern fn () [*c]c_int) void {
-        \\    var baz = _arg_baz;
+        \\    var baz_1 = _arg_baz_1;
         \\    bar();
-        \\    _ = baz.?();
+        \\    _ = baz_1.?();
         \\}
     });
-    cases.add_2("macro defines string literal with octal",
+    cases.add("macro defines string literal with octal",
         \\#define FOO "aoeu\023 derp"
         \\#define FOO2 "aoeu\0234 derp"
         \\#define FOO_CHAR '\077'
 @@ -2140,7 +2149,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const FOO_CHAR = '\x3f';
     });
-    cases.add_2("enums",
+    cases.add("enums",
         \\enum Foo {
         \\    FooA,
         \\    FooB,
 @@ -2162,7 +2171,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Foo = enum_Foo;
     });
-    cases.add_2("enums",
+    cases.add("enums",
         \\enum Foo {
         \\    FooA = 2,
         \\    FooB = 5,
 @@ -2184,7 +2193,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\pub const Foo = enum_Foo;
     });
-    cases.add_2("macro cast",
+    cases.add("macro cast",
         \\#define FOO(bar) baz((void *)(baz))
     , &[_][]const u8{
         \\pub inline fn FOO(bar: var) @TypeOf(baz(if (@typeId(@TypeOf(baz)) == .Pointer) @ptrCast([*c]void, baz) else if (@typeId(@TypeOf(baz)) == .Int) @intToPtr([*c]void, baz) else @as([*c]void, baz))) {
 @@ -2192,1006 +2201,35 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
         \\}
     });
-    cases.add_2("macro conditional operator",
+    cases.add("macro conditional operator",
         \\#define FOO a ? b : c
     , &[_][]const u8{
         \\pub const FOO = if (a) b else c;
     });
-    /////////////// Cases for only stage1 because stage2 behavior is better ////////////////
+    cases.add("do while as expr",
-    cases.addC("Parameterless function prototypes",
+        \\static void foo(void) {
-        \\void foo() {}
+        \\    if (1)
-        \\void bar(void) {}
+        \\        do {} while (0);
-    , &[_][]const u8{
-        \\pub export fn foo() void {}
-        \\pub export fn bar() void {}
-    });
-    cases.add("#define a char literal",
-        \\#define A_CHAR  'a'
-    , &[_][]const u8{
-        \\pub const A_CHAR = 97;
-    });
-    cases.add("generate inline func for #define global extern fn",
-        \\extern void (*fn_ptr)(void);
-        \\#define foo fn_ptr
-        \\
-        \\extern char (*fn_ptr2)(int, float);
-        \\#define bar fn_ptr2
-    , &[_][]const u8{
-        \\pub extern var fn_ptr: ?extern fn () void;
-    ,
-        \\pub inline fn foo() void {
-        \\    return fn_ptr.?();
-        \\}
-    ,
-        \\pub extern var fn_ptr2: ?extern fn (c_int, f32) u8;
-    ,
-        \\pub inline fn bar(arg0: c_int, arg1: f32) u8 {
-        \\    return fn_ptr2.?(arg0, arg1);
-        \\}
-    });
-    cases.add("comment after integer literal",
-        \\#define SDL_INIT_VIDEO 0x00000020  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = 32;
-    });
-    cases.add("u integer suffix after hex literal",
-        \\#define SDL_INIT_VIDEO 0x00000020u  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = @as(c_uint, 32);
-    });
-    cases.add("l integer suffix after hex literal",
-        \\#define SDL_INIT_VIDEO 0x00000020l  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = @as(c_long, 32);
-    });
-    cases.add("ul integer suffix after hex literal",
-        \\#define SDL_INIT_VIDEO 0x00000020ul  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = @as(c_ulong, 32);
-    });
-    cases.add("lu integer suffix after hex literal",
-        \\#define SDL_INIT_VIDEO 0x00000020lu  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = @as(c_ulong, 32);
-    });
-    cases.add("ll integer suffix after hex literal",
-        \\#define SDL_INIT_VIDEO 0x00000020ll  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = @as(c_longlong, 32);
-    });
-    cases.add("ull integer suffix after hex literal",
-        \\#define SDL_INIT_VIDEO 0x00000020ull  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = @as(c_ulonglong, 32);
-    });
-    cases.add("llu integer suffix after hex literal",
-        \\#define SDL_INIT_VIDEO 0x00000020llu  /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
-    , &[_][]const u8{
-        \\pub const SDL_INIT_VIDEO = @as(c_ulonglong, 32);
-    });
-    cases.add("macros with field targets",
-        \\typedef unsigned int GLbitfield;
-        \\typedef void (*PFNGLCLEARPROC) (GLbitfield mask);
-        \\typedef void(*OpenGLProc)(void);
-        \\union OpenGLProcs {
-        \\    OpenGLProc ptr[1];
-        \\    struct {
-        \\        PFNGLCLEARPROC Clear;
-        \\    } gl;
-        \\};
-        \\extern union OpenGLProcs glProcs;
-        \\#define glClearUnion glProcs.gl.Clear
-        \\#define glClearPFN PFNGLCLEARPROC
-    , &[_][]const u8{
-        \\pub const GLbitfield = c_uint;
-    ,
-        \\pub const PFNGLCLEARPROC = ?extern fn (GLbitfield) void;
-    ,
-        \\pub const OpenGLProc = ?extern fn () void;
-    ,
-        \\pub const union_OpenGLProcs = extern union {
-        \\    ptr: [1]OpenGLProc,
-        \\    gl: extern struct {
-        \\        Clear: PFNGLCLEARPROC,
-        \\    },
-        \\};
-    ,
-        \\pub extern var glProcs: union_OpenGLProcs;
-    ,
-        \\pub const glClearPFN = PFNGLCLEARPROC;
-    ,
-        \\pub inline fn glClearUnion(arg0: GLbitfield) void {
-        \\    return glProcs.gl.Clear.?(arg0);
-        \\}
-    ,
-        \\pub const OpenGLProcs = union_OpenGLProcs;
-    });
-    cases.add("macro pointer cast",
-        \\#define NRF_GPIO ((NRF_GPIO_Type *) NRF_GPIO_BASE)
-    , &[_][]const u8{
-        \\pub const NRF_GPIO = if (@typeId(@TypeOf(NRF_GPIO_BASE)) == @import("builtin").TypeId.Pointer) @ptrCast([*c]NRF_GPIO_Type, NRF_GPIO_BASE) else if (@typeId(@TypeOf(NRF_GPIO_BASE)) == @import("builtin").TypeId.Int) @intToPtr([*c]NRF_GPIO_Type, NRF_GPIO_BASE) else @as([*c]NRF_GPIO_Type, NRF_GPIO_BASE);
-    });
-    cases.add("switch on int",
-        \\int switch_fn(int i) {
-        \\    int res = 0;
-        \\    switch (i) {
-        \\        case 0:
-        \\            res = 1;
-        \\        case 1:
-        \\            res = 2;
-        \\        default:
-        \\            res = 3 * i;
-        \\            break;
-        \\        case 2:
-        \\            res = 5;
-        \\    }
-        \\}
-    , &[_][]const u8{
-        \\pub fn switch_fn(i: c_int) c_int {
-        \\    var res: c_int = 0;
-        \\    __switch: {
-        \\        __case_2: {
-        \\            __default: {
-        \\                __case_1: {
-        \\                    __case_0: {
-        \\                        switch (i) {
-        \\                            0 => break :__case_0,
-        \\                            1 => break :__case_1,
-        \\                            else => break :__default,
-        \\                            2 => break :__case_2,
-        \\                        }
-        \\                    }
-        \\                    res = 1;
-        \\                }
-        \\                res = 2;
-        \\            }
-        \\            res = (3 * i);
-        \\            break :__switch;
-        \\        }
-        \\        res = 5;
-        \\    }
-        \\}
-    });
-    cases.add("for loop with var init but empty body",
-        \\void foo(void) {
-        \\    for (int x = 0; x < 10; x++);
-        \\}
-    , &[_][]const u8{
-        \\pub fn foo() void {
-        \\    {
-        \\        var x: c_int = 0;
-        \\        while (x < 10) : (x += 1) {}
-        \\    }
-        \\}
-    });
-    cases.add("do while with empty body",
-        \\void foo(void) {
-        \\    do ; while (1);
-        \\}
-    , &[_][]const u8{ // TODO this should be if (1 != 0) break
-        \\pub fn foo() void {
-        \\    while (true) {
-        \\        {}
-        \\        if (!1) break;
-        \\    }
-        \\}
-    });
-    cases.add("for with empty body",
-        \\void foo(void) {
-        \\    for (;;);
         \\}
     , &[_][]const u8{
         \\pub fn foo() void {
-        \\    while (true) {}
+        \\    if (1 != 0) while (true) {
+        \\        if (!(0 != 0)) break;
+        \\    };
         \\}
     });
-    cases.add("while with empty body",
+    cases.add("macro comparisions",
-        \\void foo(void) {
+        \\#define MIN(a, b) ((b) < (a) ? (b) : (a))
-        \\    while (1);
+        \\#define MAX(a, b) ((b) > (a) ? (b) : (a))
-        \\}
     , &[_][]const u8{
-        \\pub fn foo() void {
+        \\pub inline fn MIN(a: var, b: var) @TypeOf(if (b < a) b else a) {
-        \\    while (1 != 0) {}
+        \\    return if (b < a) b else a;
         \\}
-    });
-    cases.add("undefined array global",
-        \\int array[100];
-    , &[_][]const u8{
-        \\pub var array: [100]c_int = undefined;
-    });
-    cases.add("qualified struct and enum",
-        \\struct Foo {
-        \\    int x;
-        \\    int y;
-        \\};
-        \\enum Bar {
-        \\    BarA,
-        \\    BarB,
-        \\};
-        \\void func(struct Foo *a, enum Bar **b);
-    , &[_][]const u8{
-        \\pub const struct_Foo = extern struct {
-        \\    x: c_int,
-        \\    y: c_int,
-        \\};
-    ,
-        \\pub const enum_Bar = extern enum {
-        \\    A,
-        \\    B,
-        \\};
-    ,
-        \\pub const BarA = enum_Bar.A;
-    ,
-        \\pub const BarB = enum_Bar.B;
     ,
-        \\pub extern fn func(a: [*c]struct_Foo, b: [*c]([*c]enum_Bar)) void;
+        \\pub inline fn MAX(a: var, b: var) @TypeOf(if (b > a) b else a) {
-    ,
+        \\    return if (b > a) b else a;
-        \\pub const Foo = struct_Foo;
-    ,
-        \\pub const Bar = enum_Bar;
-    });
-    cases.add("restrict -> noalias",
-        \\void foo(void *restrict bar, void *restrict);
-    , &[_][]const u8{
-        \\pub extern fn foo(noalias bar: ?*c_void, noalias arg1: ?*c_void) void;
-    });
-    cases.addC("assign",
-        \\int max(int a) {
-        \\    int tmp;
-        \\    tmp = a;
-        \\    a = tmp;
         \\}
-    , &[_][]const u8{
-        \\pub export fn max(_arg_a: c_int) c_int {
-        \\    var a = _arg_a;
-        \\    var tmp: c_int = undefined;
-        \\    tmp = a;
-        \\    a = tmp;
-        \\}
-    });
-    cases.addC("chaining assign",
-        \\void max(int a) {
-        \\    int b, c;
-        \\    c = b = a;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn max(a: c_int) void {
-        \\    var b: c_int = undefined;
-        \\    var c: c_int = undefined;
-        \\    c = (x: {
-        \\        const _tmp = a;
-        \\        b = _tmp;
-        \\        break :x _tmp;
-        \\    });
-        \\}
-    });
-    cases.add("anonymous enum",
-        \\enum {
-        \\    One,
-        \\    Two,
-        \\};
-    , &[_][]const u8{
-        \\pub const One = 0;
-        \\pub const Two = 1;
-    });
-    cases.addC("c style cast",
-        \\int float_to_int(float a) {
-        \\    return (int)a;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn float_to_int(a: f32) c_int {
-        \\    return @as(c_int, a);
-        \\}
-    });
-    cases.addC("comma operator",
-        \\int foo(void) {
-        \\    return 1, 2;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() c_int {
-        \\    return x: {
-        \\        _ = 1;
-        \\        break :x 2;
-        \\    };
-        \\}
-    });
-    cases.addC("escape sequences",
-        \\const char *escapes() {
-        \\char a = '\'',
-        \\    b = '\\',
-        \\    c = '\a',
-        \\    d = '\b',
-        \\    e = '\f',
-        \\    f = '\n',
-        \\    g = '\r',
-        \\    h = '\t',
-        \\    i = '\v',
-        \\    j = '\0',
-        \\    k = '\"';
-        \\    return "\'\\\a\b\f\n\r\t\v\0\"";
-        \\}
-        \\
-    , &[_][]const u8{
-        \\pub export fn escapes() [*c]const u8 {
-        \\    var a: u8 = @as(u8, '\'');
-        \\    var b: u8 = @as(u8, '\\');
-        \\    var c: u8 = @as(u8, '\x07');
-        \\    var d: u8 = @as(u8, '\x08');
-        \\    var e: u8 = @as(u8, '\x0c');
-        \\    var f: u8 = @as(u8, '\n');
-        \\    var g: u8 = @as(u8, '\r');
-        \\    var h: u8 = @as(u8, '\t');
-        \\    var i: u8 = @as(u8, '\x0b');
-        \\    var j: u8 = @as(u8, '\x00');
-        \\    var k: u8 = @as(u8, '\"');
-        \\    return "\'\\\x07\x08\x0c\n\r\t\x0b\x00\"";
-        \\}
-        \\
-    });
-    cases.addC("do loop",
-        \\void foo(void) {
-        \\    int a = 2;
-        \\    do {
-        \\        a--;
-        \\    } while (a != 0);
-        \\
-        \\    int b = 2;
-        \\    do
-        \\        b--;
-        \\    while (b != 0);
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() void {
-        \\    var a: c_int = 2;
-        \\    while (true) {
-        \\        a -= 1;
-        \\        if (!(a != 0)) break;
-        \\    }
-        \\    var b: c_int = 2;
-        \\    while (true) {
-        \\        b -= 1;
-        \\        if (!(b != 0)) break;
-        \\    }
-        \\}
-    });
-    cases.addC("==, !=",
-        \\int max(int a, int b) {
-        \\    if (a == b)
-        \\        return a;
-        \\    if (a != b)
-        \\        return b;
-        \\    return a;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn max(a: c_int, b: c_int) c_int {
-        \\    if (a == b) return a;
-        \\    if (a != b) return b;
-        \\    return a;
-        \\}
-    });
-    cases.addC("bitwise binary operators",
-        \\int max(int a, int b) {
-        \\    return (a & b) ^ (a | b);
-        \\}
-    , &[_][]const u8{
-        \\pub export fn max(a: c_int, b: c_int) c_int {
-        \\    return (a & b) ^ (a | b);
-        \\}
-    });
-    cases.addC("statement expression",
-        \\int foo(void) {
-        \\    return ({
-        \\        int a = 1;
-        \\        a;
-        \\    });
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() c_int {
-        \\    return x: {
-        \\        var a: c_int = 1;
-        \\        break :x a;
-        \\    };
-        \\}
-    });
-    cases.addC("field access expression",
-        \\struct Foo {
-        \\    int field;
-        \\};
-        \\int read_field(struct Foo *foo) {
-        \\    return foo->field;
-        \\}
-    , &[_][]const u8{
-        \\pub const struct_Foo = extern struct {
-        \\    field: c_int,
-        \\};
-        \\pub export fn read_field(foo: [*c]struct_Foo) c_int {
-        \\    return foo.*.field;
-        \\}
-    });
-    cases.addC("array access",
-        \\int array[100];
-        \\int foo(int index) {
-        \\    return array[index];
-        \\}
-    , &[_][]const u8{
-        \\pub var array: [100]c_int = undefined;
-        \\pub export fn foo(index: c_int) c_int {
-        \\    return array[index];
-        \\}
-    });
-    cases.addC("logical and, logical or",
-        \\int max(int a, int b) {
-        \\    if (a < b || a == b)
-        \\        return b;
-        \\    if (a >= b && a == b)
-        \\        return a;
-        \\    return a;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn max(a: c_int, b: c_int) c_int {
-        \\    if ((a < b) or (a == b)) return b;
-        \\    if ((a >= b) and (a == b)) return a;
-        \\    return a;
-        \\}
-    });
-    cases.addC("if statement",
-        \\int max(int a, int b) {
-        \\    if (a < b)
-        \\        return b;
-        \\
-        \\    if (a < b)
-        \\        return b;
-        \\    else
-        \\        return a;
-        \\
-        \\    if (a < b) ; else ;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn max(a: c_int, b: c_int) c_int {
-        \\    if (a < b) return b;
-        \\    if (a < b) return b else return a;
-        \\    if (a < b) {} else {}
-        \\}
-    });
-    cases.add("variable name shadowing",
-        \\int foo(void) {
-        \\    int x = 1;
-        \\    {
-        \\        int x = 2;
-        \\        x += 1;
-        \\    }
-        \\    return x;
-        \\}
-    , &[_][]const u8{
-        \\pub fn foo() c_int {
-        \\    var x: c_int = 1;
-        \\    {
-        \\        var x_0: c_int = 2;
-        \\        x_0 += 1;
-        \\    }
-        \\    return x;
-        \\}
-    });
-    cases.add("if on non-bool",
-        \\enum SomeEnum { A, B, C };
-        \\int if_none_bool(int a, float b, void *c, enum SomeEnum d) {
-        \\    if (a) return 0;
-        \\    if (b) return 1;
-        \\    if (c) return 2;
-        \\    if (d) return 3;
-        \\    return 4;
-        \\}
-    , &[_][]const u8{
-        \\pub const A = enum_SomeEnum.A;
-        \\pub const B = enum_SomeEnum.B;
-        \\pub const C = enum_SomeEnum.C;
-        \\pub const enum_SomeEnum = extern enum {
-        \\    A,
-        \\    B,
-        \\    C,
-        \\};
-        \\pub fn if_none_bool(a: c_int, b: f32, c: ?*c_void, d: enum_SomeEnum) c_int {
-        \\    if (a != 0) return 0;
-        \\    if (b != 0) return 1;
-        \\    if (c != null) return 2;
-        \\    if (d != @bitCast(enum_SomeEnum, @as(@TagType(enum_SomeEnum), 0))) return 3;
-        \\    return 4;
-        \\}
-    });
-    cases.addAllowWarnings("simple data types",
-        \\#include <stdint.h>
-        \\int foo(char a, unsigned char b, signed char c);
-        \\int foo(char a, unsigned char b, signed char c); // test a duplicate prototype
-        \\void bar(uint8_t a, uint16_t b, uint32_t c, uint64_t d);
-        \\void baz(int8_t a, int16_t b, int32_t c, int64_t d);
-    , &[_][]const u8{
-        \\pub extern fn foo(a: u8, b: u8, c: i8) c_int;
-    ,
-        \\pub extern fn bar(a: u8, b: u16, c: u32, d: u64) void;
-    ,
-        \\pub extern fn baz(a: i8, b: i16, c: i32, d: i64) void;
-    });
-    cases.addC("simple function",
-        \\int abs(int a) {
-        \\    return a < 0 ? -a : a;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn abs(a: c_int) c_int {
-        \\    return if (a < 0) -a else a;
-        \\}
-    });
-    cases.addC("post increment",
-        \\unsigned foo1(unsigned a) {
-        \\    a++;
-        \\    return a;
-        \\}
-        \\int foo2(int a) {
-        \\    a++;
-        \\    return a;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo1(_arg_a: c_uint) c_uint {
-        \\    var a = _arg_a;
-        \\    a +%= 1;
-        \\    return a;
-        \\}
-        \\pub export fn foo2(_arg_a: c_int) c_int {
-        \\    var a = _arg_a;
-        \\    a += 1;
-        \\    return a;
-        \\}
-    });
-    cases.addC("deref function pointer",
-        \\void foo(void) {}
-        \\int baz(void) { return 0; }
-        \\void bar(void) {
-        \\    void(*f)(void) = foo;
-        \\    int(*b)(void) = baz;
-        \\    f();
-        \\    (*(f))();
-        \\    foo();
-        \\    b();
-        \\    (*(b))();
-        \\    baz();
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() void {}
-        \\pub export fn baz() c_int {
-        \\    return 0;
-        \\}
-        \\pub export fn bar() void {
-        \\    var f: ?extern fn () void = foo;
-        \\    var b: ?extern fn () c_int = baz;
-        \\    f.?();
-        \\    f.?();
-        \\    foo();
-        \\    _ = b.?();
-        \\    _ = b.?();
-        \\    _ = baz();
-        \\}
-    });
-    cases.addC("pre increment/decrement",
-        \\void foo(void) {
-        \\    int i = 0;
-        \\    unsigned u = 0;
-        \\    ++i;
-        \\    --i;
-        \\    ++u;
-        \\    --u;
-        \\    i = ++i;
-        \\    i = --i;
-        \\    u = ++u;
-        \\    u = --u;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() void {
-        \\    var i: c_int = 0;
-        \\    var u: c_uint = @as(c_uint, 0);
-        \\    i += 1;
-        \\    i -= 1;
-        \\    u +%= 1;
-        \\    u -%= 1;
-        \\    i = (x: {
-        \\        const _ref = &i;
-        \\        _ref.* += 1;
-        \\        break :x _ref.*;
-        \\    });
-        \\    i = (x: {
-        \\        const _ref = &i;
-        \\        _ref.* -= 1;
-        \\        break :x _ref.*;
-        \\    });
-        \\    u = (x: {
-        \\        const _ref = &u;
-        \\        _ref.* +%= 1;
-        \\        break :x _ref.*;
-        \\    });
-        \\    u = (x: {
-        \\        const _ref = &u;
-        \\        _ref.* -%= 1;
-        \\        break :x _ref.*;
-        \\    });
-        \\}
-    });
-    cases.addC("shift right assign",
-        \\int log2(unsigned a) {
-        \\    int i = 0;
-        \\    while (a > 0) {
-        \\        a >>= 1;
-        \\    }
-        \\    return i;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn log2(_arg_a: c_uint) c_int {
-        \\    var a = _arg_a;
-        \\    var i: c_int = 0;
-        \\    while (a > @as(c_uint, 0)) {
-        \\        a >>= @as(@import("std").math.Log2Int(c_uint), 1);
-        \\    }
-        \\    return i;
-        \\}
-    });
-    cases.addC("shift right assign with a fixed size type",
-        \\#include <stdint.h>
-        \\int log2(uint32_t a) {
-        \\    int i = 0;
-        \\    while (a > 0) {
-        \\        a >>= 1;
-        \\    }
-        \\    return i;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn log2(_arg_a: u32) c_int {
-        \\    var a = _arg_a;
-        \\    var i: c_int = 0;
-        \\    while (a > @as(c_uint, 0)) {
-        \\        a >>= @as(u5, 1);
-        \\    }
-        \\    return i;
-        \\}
-    });
-    cases.addC("compound assignment operators",
-        \\void foo(void) {
-        \\    int a = 0;
-        \\    a += (a += 1);
-        \\    a -= (a -= 1);
-        \\    a *= (a *= 1);
-        \\    a &= (a &= 1);
-        \\    a |= (a |= 1);
-        \\    a ^= (a ^= 1);
-        \\    a >>= (a >>= 1);
-        \\    a <<= (a <<= 1);
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() void {
-        \\    var a: c_int = 0;
-        \\    a += (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* + 1);
-        \\        break :x _ref.*;
-        \\    });
-        \\    a -= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* - 1);
-        \\        break :x _ref.*;
-        \\    });
-        \\    a *= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* * 1);
-        \\        break :x _ref.*;
-        \\    });
-        \\    a &= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* & 1);
-        \\        break :x _ref.*;
-        \\    });
-        \\    a |= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* | 1);
-        \\        break :x _ref.*;
-        \\    });
-        \\    a ^= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* ^ 1);
-        \\        break :x _ref.*;
-        \\    });
-        \\    a >>= @as(@import("std").math.Log2Int(c_int), (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* >> @as(@import("std").math.Log2Int(c_int), 1));
-        \\        break :x _ref.*;
-        \\    }));
-        \\    a <<= @as(@import("std").math.Log2Int(c_int), (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* << @as(@import("std").math.Log2Int(c_int), 1));
-        \\        break :x _ref.*;
-        \\    }));
-        \\}
-    });
-    cases.addC("compound assignment operators unsigned",
-        \\void foo(void) {
-        \\    unsigned a = 0;
-        \\    a += (a += 1);
-        \\    a -= (a -= 1);
-        \\    a *= (a *= 1);
-        \\    a &= (a &= 1);
-        \\    a |= (a |= 1);
-        \\    a ^= (a ^= 1);
-        \\    a >>= (a >>= 1);
-        \\    a <<= (a <<= 1);
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() void {
-        \\    var a: c_uint = @as(c_uint, 0);
-        \\    a +%= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* +% @as(c_uint, 1));
-        \\        break :x _ref.*;
-        \\    });
-        \\    a -%= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* -% @as(c_uint, 1));
-        \\        break :x _ref.*;
-        \\    });
-        \\    a *%= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* *% @as(c_uint, 1));
-        \\        break :x _ref.*;
-        \\    });
-        \\    a &= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* & @as(c_uint, 1));
-        \\        break :x _ref.*;
-        \\    });
-        \\    a |= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* | @as(c_uint, 1));
-        \\        break :x _ref.*;
-        \\    });
-        \\    a ^= (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* ^ @as(c_uint, 1));
-        \\        break :x _ref.*;
-        \\    });
-        \\    a >>= @as(@import("std").math.Log2Int(c_uint), (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* >> @as(@import("std").math.Log2Int(c_uint), 1));
-        \\        break :x _ref.*;
-        \\    }));
-        \\    a <<= @as(@import("std").math.Log2Int(c_uint), (x: {
-        \\        const _ref = &a;
-        \\        _ref.* = (_ref.* << @as(@import("std").math.Log2Int(c_uint), 1));
-        \\        break :x _ref.*;
-        \\    }));
-        \\}
-    });
-    cases.addC("post increment/decrement",
-        \\void foo(void) {
-        \\    int i = 0;
-        \\    unsigned u = 0;
-        \\    i++;
-        \\    i--;
-        \\    u++;
-        \\    u--;
-        \\    i = i++;
-        \\    i = i--;
-        \\    u = u++;
-        \\    u = u--;
-        \\}
-    , &[_][]const u8{
-        \\pub export fn foo() void {
-        \\    var i: c_int = 0;
-        \\    var u: c_uint = @as(c_uint, 0);
-        \\    i += 1;
-        \\    i -= 1;
-        \\    u +%= 1;
-        \\    u -%= 1;
-        \\    i = (x: {
-        \\        const _ref = &i;
-        \\        const _tmp = _ref.*;
-        \\        _ref.* += 1;
-        \\        break :x _tmp;
-        \\    });
-        \\    i = (x: {
-        \\        const _ref = &i;
-        \\        const _tmp = _ref.*;
-        \\        _ref.* -= 1;
-        \\        break :x _tmp;
-        \\    });
-        \\    u = (x: {
-        \\        const _ref = &u;
-        \\        const _tmp = _ref.*;
-        \\        _ref.* +%= 1;
-        \\        break :x _tmp;
-        \\    });
-        \\    u = (x: {
-        \\        const _ref = &u;
-        \\        const _tmp = _ref.*;
-        \\        _ref.* -%= 1;
-        \\        break :x _tmp;
-        \\    });
-        \\}
-    });
-    cases.addC("implicit casts",
-        \\#include <stdbool.h>
-        \\
-        \\void fn_int(int x);
-        \\void fn_f32(float x);
-        \\void fn_f64(double x);
-        \\void fn_char(char x);
-        \\void fn_bool(bool x);
-        \\void fn_ptr(void *x);
-        \\
-        \\void call(int q) {
-        \\    fn_int(3.0f);
-        \\    fn_int(3.0);
-        \\    fn_int(3.0L);
-        \\    fn_int('ABCD');
-        \\    fn_f32(3);
-        \\    fn_f64(3);
-        \\    fn_char('3');
-        \\    fn_char('\x1');
-        \\    fn_char(0);
-        \\    fn_f32(3.0f);
-        \\    fn_f64(3.0);
-        \\    fn_bool(123);
-        \\    fn_bool(0);
-        \\    fn_bool(&fn_int);
-        \\    fn_int(&fn_int);
-        \\    fn_ptr(42);
-        \\}
-    , &[_][]const u8{
-        \\pub extern fn fn_int(x: c_int) void;
-        \\pub extern fn fn_f32(x: f32) void;
-        \\pub extern fn fn_f64(x: f64) void;
-        \\pub extern fn fn_char(x: u8) void;
-        \\pub extern fn fn_bool(x: bool) void;
-        \\pub extern fn fn_ptr(x: ?*c_void) void;
-        \\pub export fn call(q: c_int) void {
-        \\    fn_int(@floatToInt(c_int, 3.000000));
-        \\    fn_int(@floatToInt(c_int, 3.000000));
-        \\    fn_int(@floatToInt(c_int, 3.000000));
-        \\    fn_int(1094861636);
-        \\    fn_f32(@intToFloat(f32, 3));
-        \\    fn_f64(@intToFloat(f64, 3));
-        \\    fn_char(@as(u8, '3'));
-        \\    fn_char(@as(u8, '\x01'));
-        \\    fn_char(@as(u8, 0));
-        \\    fn_f32(3.000000);
-        \\    fn_f64(3.000000);
-        \\    fn_bool(true);
-        \\    fn_bool(false);
-        \\    fn_bool(@ptrToInt(&fn_int) != 0);
-        \\    fn_int(@intCast(c_int, @ptrToInt(&fn_int)));
-        \\    fn_ptr(@intToPtr(?*c_void, 42));
-        \\}
-    });
-    cases.addC("function call",
-        \\static void bar(void) { }
-        \\void foo(int *(baz)(void)) {
-        \\    bar();
-        \\    baz();
-        \\}
-    , &[_][]const u8{
-        \\pub fn bar() void {}
-        \\pub export fn foo(baz: ?extern fn () [*c]c_int) void {
-        \\    bar();
-        \\    _ = baz.?();
-        \\}
-    });
-    cases.add("macro defines string literal with hex",
-        \\#define FOO "aoeu\xab derp"
-        \\#define FOO2 "aoeu\x0007a derp"
-        \\#define FOO_CHAR '\xfF'
-    , &[_][]const u8{
-        \\pub const FOO = "aoeu\xab derp";
-    ,
-        \\pub const FOO2 = "aoeuz derp";
-    ,
-        \\pub const FOO_CHAR = 255;
-    });
-    cases.add("macro defines string literal with octal",
-        \\#define FOO "aoeu\023 derp"
-        \\#define FOO2 "aoeu\0234 derp"
-        \\#define FOO_CHAR '\077'
-    , &[_][]const u8{
-        \\pub const FOO = "aoeu\x13 derp";
-    ,
-        \\pub const FOO2 = "aoeu\x134 derp";
-    ,
-        \\pub const FOO_CHAR = 63;
-    });
-    cases.add("enums",
-        \\enum Foo {
-        \\    FooA,
-        \\    FooB,
-        \\    Foo1,
-        \\};
-    , &[_][]const u8{
-        \\pub const enum_Foo = extern enum {
-        \\    A,
-        \\    B,
-        \\    @"1",
-        \\};
-    ,
-        \\pub const FooA = enum_Foo.A;
-    ,
-        \\pub const FooB = enum_Foo.B;
-    ,
-        \\pub const Foo1 = enum_Foo.@"1";
-    ,
-        \\pub const Foo = enum_Foo;
-    });
-    cases.add("enums",
-        \\enum Foo {
-        \\    FooA = 2,
-        \\    FooB = 5,
-        \\    Foo1,
-        \\};
-    , &[_][]const u8{
-        \\pub const enum_Foo = extern enum {
-        \\    A = 2,
-        \\    B = 5,
-        \\    @"1" = 6,
-        \\};
-    ,
-        \\pub const FooA = enum_Foo.A;
-    ,
-        \\pub const FooB = enum_Foo.B;
-    ,
-        \\pub const Foo1 = enum_Foo.@"1";
-    ,
-        \\pub const Foo = enum_Foo;
     });
 }

...	@@ -448,7 +448,6 @@ set(ZIG_SOURCES	...	@@ -448,7 +448,6 @@ set(ZIG_SOURCES
448	"${CMAKE_SOURCE_DIR}/src/bigfloat.cpp"	448	"${CMAKE_SOURCE_DIR}/src/bigfloat.cpp"
449	"${CMAKE_SOURCE_DIR}/src/bigint.cpp"	449	"${CMAKE_SOURCE_DIR}/src/bigint.cpp"
450	"${CMAKE_SOURCE_DIR}/src/buffer.cpp"	450	"${CMAKE_SOURCE_DIR}/src/buffer.cpp"
451	"${CMAKE_SOURCE_DIR}/src/c_tokenizer.cpp"
452	"${CMAKE_SOURCE_DIR}/src/cache_hash.cpp"	451	"${CMAKE_SOURCE_DIR}/src/cache_hash.cpp"
453	"${CMAKE_SOURCE_DIR}/src/codegen.cpp"	452	"${CMAKE_SOURCE_DIR}/src/codegen.cpp"
454	"${CMAKE_SOURCE_DIR}/src/compiler.cpp"	453	"${CMAKE_SOURCE_DIR}/src/compiler.cpp"
...	@@ -465,7 +464,6 @@ set(ZIG_SOURCES	...	@@ -465,7 +464,6 @@ set(ZIG_SOURCES
465	"${CMAKE_SOURCE_DIR}/src/range_set.cpp"	464	"${CMAKE_SOURCE_DIR}/src/range_set.cpp"
466	"${CMAKE_SOURCE_DIR}/src/target.cpp"	465	"${CMAKE_SOURCE_DIR}/src/target.cpp"
467	"${CMAKE_SOURCE_DIR}/src/tokenizer.cpp"	466	"${CMAKE_SOURCE_DIR}/src/tokenizer.cpp"
468	"${CMAKE_SOURCE_DIR}/src/translate_c.cpp"
469	"${CMAKE_SOURCE_DIR}/src/util.cpp"	467	"${CMAKE_SOURCE_DIR}/src/util.cpp"
470	"${ZIG_SOURCES_MEM_PROFILE}"	468	"${ZIG_SOURCES_MEM_PROFILE}"
471	)	469	)

...	@@ -43,6 +43,7 @@ pub const struct_ZigClangImplicitCastExpr = @OpaqueType();	...	@@ -43,6 +43,7 @@ pub const struct_ZigClangImplicitCastExpr = @OpaqueType();
43	pub const struct_ZigClangIncompleteArrayType = @OpaqueType();	43	pub const struct_ZigClangIncompleteArrayType = @OpaqueType();
44	pub const struct_ZigClangIntegerLiteral = @OpaqueType();	44	pub const struct_ZigClangIntegerLiteral = @OpaqueType();
45	pub const struct_ZigClangMacroDefinitionRecord = @OpaqueType();	45	pub const struct_ZigClangMacroDefinitionRecord = @OpaqueType();
		46	pub const struct_ZigClangMacroExpansion = @OpaqueType();
46	pub const struct_ZigClangMacroQualifiedType = @OpaqueType();	47	pub const struct_ZigClangMacroQualifiedType = @OpaqueType();
47	pub const struct_ZigClangMemberExpr = @OpaqueType();	48	pub const struct_ZigClangMemberExpr = @OpaqueType();
48	pub const struct_ZigClangNamedDecl = @OpaqueType();	49	pub const struct_ZigClangNamedDecl = @OpaqueType();
...	@@ -889,6 +890,7 @@ pub const ZigClangImplicitCastExpr = struct_ZigClangImplicitCastExpr;	...	@@ -889,6 +890,7 @@ pub const ZigClangImplicitCastExpr = struct_ZigClangImplicitCastExpr;
889	pub const ZigClangIncompleteArrayType = struct_ZigClangIncompleteArrayType;	890	pub const ZigClangIncompleteArrayType = struct_ZigClangIncompleteArrayType;
890	pub const ZigClangIntegerLiteral = struct_ZigClangIntegerLiteral;	891	pub const ZigClangIntegerLiteral = struct_ZigClangIntegerLiteral;
891	pub const ZigClangMacroDefinitionRecord = struct_ZigClangMacroDefinitionRecord;	892	pub const ZigClangMacroDefinitionRecord = struct_ZigClangMacroDefinitionRecord;
		893	pub const ZigClangMacroExpansion = struct_ZigClangMacroExpansion;
892	pub const ZigClangMacroQualifiedType = struct_ZigClangMacroQualifiedType;	894	pub const ZigClangMacroQualifiedType = struct_ZigClangMacroQualifiedType;
893	pub const ZigClangMemberExpr = struct_ZigClangMemberExpr;	895	pub const ZigClangMemberExpr = struct_ZigClangMemberExpr;
894	pub const ZigClangNamedDecl = struct_ZigClangNamedDecl;	896	pub const ZigClangNamedDecl = struct_ZigClangNamedDecl;
...	@@ -1058,6 +1060,8 @@ pub extern fn ZigClangMacroDefinitionRecord_getName_getNameStart(*const ZigClang	...	@@ -1058,6 +1060,8 @@ pub extern fn ZigClangMacroDefinitionRecord_getName_getNameStart(*const ZigClang
1058	pub extern fn ZigClangMacroDefinitionRecord_getSourceRange_getBegin(*const ZigClangMacroDefinitionRecord) ZigClangSourceLocation;	1060	pub extern fn ZigClangMacroDefinitionRecord_getSourceRange_getBegin(*const ZigClangMacroDefinitionRecord) ZigClangSourceLocation;
1059	pub extern fn ZigClangMacroDefinitionRecord_getSourceRange_getEnd(*const ZigClangMacroDefinitionRecord) ZigClangSourceLocation;	1061	pub extern fn ZigClangMacroDefinitionRecord_getSourceRange_getEnd(*const ZigClangMacroDefinitionRecord) ZigClangSourceLocation;
1060		1062
		1063	pub extern fn ZigClangMacroExpansion_getDefinition(const ZigClangMacroExpansion) const ZigClangMacroDefinitionRecord;
		1064
1061	pub extern fn ZigClangIfStmt_getThen(const ZigClangIfStmt) const ZigClangStmt;	1065	pub extern fn ZigClangIfStmt_getThen(const ZigClangIfStmt) const ZigClangStmt;
1062	pub extern fn ZigClangIfStmt_getElse(const ZigClangIfStmt) ?const ZigClangStmt;	1066	pub extern fn ZigClangIfStmt_getElse(const ZigClangIfStmt) ?const ZigClangStmt;
1063	pub extern fn ZigClangIfStmt_getCond(const ZigClangIfStmt) const ZigClangStmt;	1067	pub extern fn ZigClangIfStmt_getCond(const ZigClangIfStmt) const ZigClangStmt;