Commit efd6ded716a027f7d47fe5c38df17785c8e2a2e2 | zig

author	Ryan Liptak <squeek502@hotmail.com> 2026-06-27 22:19:19+02:00
committer	Ryan Liptak <squeek502@hotmail.com> 2026-06-27 22:19:19+02:00
log	efd6ded716a027f7d47fe5c38df17785c8e2a2e2
tree	0720112c36d14b27d2789bd39cabd3ab591c6110
parent	9b5851f0019c6cf2b5a54ffa54acd7f13b941a07
parent	1467054baeaa05668129ef491be6ac1b3b82d80d

Merge pull request 'ConfigHeader standalone tests rework' (#35643) from fardragon/zig:fardragon/configheader-tests into master

Reviewed-on: https://codeberg.org/ziglang/zig/pulls/35643
Reviewed-by: Ryan Liptak <squeek502@noreply.codeberg.org>

31 files changed, 888 insertions(+), 594 deletions(-)

lib
- compiler
  - Maker
    Step
    ConfigHeader.zig
test
- standalone
  - build.zig.zon
  - cmakedefine
    build.zig
    check.zig
    config.h.in
    expected_config.h
    expected_pwd.sh
    expected_sigil.h
    expected_stack.h
    expected_wrapper.h
    pwd.sh.in
    sigil.h.in
    stack.h.in
    wrapper.h.in
  - config_header
    autoconf_at
    autoconf_at.h
    autoconf_at.h.in
    autoconf_undef
    config.h
    config.h.in
    blank
    config.h
    build.zig
    cmake
    cmakedefine_edge_cases.h
    cmakedefine_edge_cases.h.in
    config.h
    config.h.in
    edge_cases.h
    edge_cases.h.in
    pwd.sh
    pwd.sh.in
    config.h
    config.h.in
    nasm
    config.asm

lib/compiler/Maker/Step/ConfigHeader.zig+64-43

...	...	@@ -11,8 +11,10 @@ const Step = @import("../Step.zig");
11	11	const Maker = @import("../../Maker.zig");
12	12
13	13	const header_text = "This file was generated by ConfigHeader using the Zig Build System.";
14		const c_generated_line = "/* " ++ header_text ++ " */\n";
15		const asm_generated_line = "; " ++ header_text ++ "\n";
	14	const c_generated_line = "/* " ++ header_text ++ " */";
	15	const asm_generated_line = "; " ++ header_text;
	16
	17	const os_newline = if (@import("builtin").os.tag == .windows) "\r\n" else "\n";
16	18
17	19	/// Table value is whether the value is used.
18	20	const ValueMap = std.array_hash_map.String(bool);
...	...	@@ -160,6 +162,11 @@ fn ensureAllValuesUsed(
160	162	if (any_errors) return error.MakeFailed;
161	163	}
162	164
	165	fn detectNewline(contents: []const u8) []const u8 {
	166	const lf_index = std.mem.findScalar(u8, contents, '\n') orelse return os_newline;
	167	return if (lf_index > 0 and contents[lf_index - 1] == '\r') "\r\n" else "\n";
	168	}
	169
163	170	fn renderAutoConfUndef(
164	171	maker: *Maker,
165	172	step: *Step,
...	...	@@ -170,23 +177,28 @@ fn renderAutoConfUndef(
170	177	src_path: Path,
171	178	) !void {
172	179	const conf = &maker.scanned_config.configuration;
	180	const newline = detectNewline(contents);
173	181
174	182	try w.writeAll(c_generated_line);
	183	try w.writeAll(newline);
175	184
176	185	var any_errors = false;
177	186	var line_index: u32 = 0;
178	187	var line_it = std.mem.splitScalar(u8, contents, '\n');
179		while (line_it.next()) \|line\| : (line_index += 1) {
	188	while (line_it.next()) \|raw_line\| : (line_index += 1) {
	189	const last_line = line_it.index == line_it.buffer.len;
	190	const line = std.mem.trimEnd(u8, raw_line, "\r");
	191
180	192	if (!std.mem.startsWith(u8, line, "#")) {
181	193	try w.writeAll(line);
182		try w.writeByte('\n');
	194	if (!last_line) try w.writeAll(newline);
183	195	continue;
184	196	}
185	197	var it = std.mem.tokenizeAny(u8, line[1..], " \t\r");
186	198	const undef = it.next().?;
187	199	if (!std.mem.eql(u8, undef, "undef")) {
188	200	try w.writeAll(line);
189		try w.writeByte('\n');
	201	if (!last_line) try w.writeAll(newline);
190	202	continue;
191	203	}
192	204	const name = it.next().?;
...	...	@@ -198,7 +210,7 @@ fn renderAutoConfUndef(
198	210	continue;
199	211	};
200	212	value_map.values()[index] = true; // Set to used.
201		try renderValueC(conf, w, name, value_pairs[index].index);
	213	try renderValueC(conf, w, newline, name, value_pairs[index].index);
202	214	}
203	215
204	216	try ensureAllValuesUsed(maker, step, value_map, src_path);
...	...	@@ -216,14 +228,17 @@ fn renderAutoconfAt(
216	228	) !void {
217	229	const w = &aw.writer;
218	230	const conf = &maker.scanned_config.configuration;
	231	const newline = detectNewline(contents);
219	232
220	233	try w.writeAll(c_generated_line);
	234	try w.writeAll(newline);
221	235
222	236	var any_errors = false;
223	237	var line_index: u32 = 0;
224	238	var line_it = std.mem.splitScalar(u8, contents, '\n');
225		while (line_it.next()) \|line\| : (line_index += 1) {
	239	while (line_it.next()) \|raw_line\| : (line_index += 1) {
226	240	const last_line = line_it.index == line_it.buffer.len;
	241	const line = std.mem.trimEnd(u8, raw_line, "\r");
227	242
228	243	const old_len = aw.written().len;
229	244	expandVariablesAutoconfAt(w, line, conf, value_pairs, value_map) catch \|err\| switch (err) {
...	...	@@ -244,7 +259,7 @@ fn renderAutoconfAt(
244	259	continue;
245	260	},
246	261	};
247		if (!last_line) try w.writeByte('\n');
	262	if (!last_line) try w.writeAll(newline);
248	263	}
249	264
250	265	try ensureAllValuesUsed(maker, step, value_map, src_path);
...	...	@@ -262,16 +277,19 @@ fn renderCmake(
262	277	src_path: Path,
263	278	) !void {
264	279	const conf = &maker.scanned_config.configuration;
	280	const newline = detectNewline(contents);
265	281
266	282	try w.writeAll(c_generated_line);
	283	try w.writeAll(newline);
267	284
268	285	var any_errors = false;
269	286	var line_index: u32 = 0;
270	287	var line_it = std.mem.splitScalar(u8, contents, '\n');
271	288	while (line_it.next()) \|raw_line\| : (line_index += 1) {
272	289	const last_line = line_it.index == line_it.buffer.len;
	290	const stripped_line = std.mem.trimEnd(u8, raw_line, "\r");
273	291
274		const line = expandVariablesCmake(arena, raw_line, conf, value_pairs, value_map) catch \|err\| switch (err) {
	292	const line = expandVariablesCmake(arena, stripped_line, conf, value_pairs, value_map) catch \|err\| switch (err) {
275	293	error.InvalidCharacter => {
276	294	try step.addError(maker, "{f}:{d}: invalid character in a variable name", .{
277	295	src_path, line_index + 1,
...	...	@@ -290,7 +308,7 @@ fn renderCmake(
290	308
291	309	const line_start = std.mem.findNone(u8, line, " \t\r") orelse {
292	310	try w.writeAll(line);
293		if (!last_line) try w.writeByte('\n');
	311	if (!last_line) try w.writeAll(newline);
294	312	continue;
295	313	};
296	314	const whitespace_prefix = line[0..line_start];
...	...	@@ -298,7 +316,7 @@ fn renderCmake(
298	316
299	317	if (!std.mem.startsWith(u8, trimmed_line, "#")) {
300	318	try w.writeAll(line);
301		if (!last_line) try w.writeByte('\n');
	319	if (!last_line) try w.writeAll(newline);
302	320	continue;
303	321	}
304	322
...	...	@@ -311,7 +329,7 @@ fn renderCmake(
311	329	false
312	330	else {
313	331	try w.writeAll(line);
314		if (!last_line) try w.writeByte('\n');
	332	if (!last_line) try w.writeAll(newline);
315	333	continue;
316	334	};
317	335
...	...	@@ -335,7 +353,7 @@ fn renderCmake(
335	353	try w.writeAll(whitespace_prefix);
336	354
337	355	if (booldefine) {
338		try renderValueCBool(w, name, switch (value.unpack(conf)) {
	356	try renderValueCBool(w, newline, name, switch (value.unpack(conf)) {
339	357	.undef, .defined => false,
340	358	.bool => \|b\| b,
341	359	inline .u64, .i64 => \|i\| i != 0,
...	...	@@ -343,9 +361,9 @@ fn renderCmake(
343	361	.ident => false,
344	362	});
345	363	} else if (value != .undef) {
346		try renderValueCIdent(w, name, it.rest());
	364	try renderValueCIdent(w, newline, name, it.rest());
347	365	} else {
348		try renderValueC(conf, w, name, value);
	366	try renderValueC(conf, w, newline, name, value);
349	367	}
350	368	}
351	369
...	...	@@ -362,6 +380,7 @@ fn renderBlank(
362	380	include_guard_override: ?[]const u8,
363	381	) !void {
364	382	try w.writeAll(c_generated_line);
	383	try w.writeAll(os_newline);
365	384
366	385	const include_guard_fmt: IncludeGuardFmt = .{
367	386	.include_path = include_path,
...	...	@@ -369,17 +388,13 @@ fn renderBlank(
369	388	};
370	389
371	390	try w.print(
372		\\#ifndef {[0]f}
373		\\#define {[0]f}
374		\\
375		, .{include_guard_fmt});
	391	"#ifndef {[0]f}{[1]s}#define {[0]f}{[1]s}",
	392	.{ include_guard_fmt, os_newline },
	393	);
376	394
377		for (value_map.keys(), value_pairs) \|name, pair\| try renderValueC(conf, w, name, pair.index);
	395	for (value_map.keys(), value_pairs) \|name, pair\| try renderValueC(conf, w, os_newline, name, pair.index);
378	396
379		try w.print(
380		\\#endif /* {f} */
381		\\
382		, .{include_guard_fmt});
	397	try w.print("#endif /* {f} */{s}", .{ include_guard_fmt, os_newline });
383	398	}
384	399
385	400	const IncludeGuardFmt = struct {
...	...	@@ -403,36 +418,42 @@ fn renderNasm(
403	418	value_map: *const ValueMap,
404	419	) !void {
405	420	try w.writeAll(asm_generated_line);
406		for (value_map.keys(), value_pairs) \|name, pair\| try renderValueNasm(conf, w, name, pair.index);
	421	try w.writeAll(os_newline);
	422	for (value_map.keys(), value_pairs) \|name, pair\| try renderValueNasm(conf, w, os_newline, name, pair.index);
407	423	}
408	424
409		fn renderValueC(conf: const Configuration, w: Writer, name: []const u8, value: Value.Index) !void {
	425	fn renderValueC(conf: const Configuration, w: Writer, newline: []const u8, name: []const u8, value: Value.Index) !void {
410	426	switch (value.unpack(conf)) {
411		.undef => try w.print("/* #undef {s} */\n", .{name}),
412		.defined => try w.print("#define {s}\n", .{name}),
413		.bool => \|b\| return renderValueCBool(w, name, b),
414		inline .u64, .i64 => \|i\| try w.print("#define {s} {d}\n", .{ name, i }),
415		.ident => \|ident\| return renderValueCIdent(w, name, ident),
416		.string => \|string\| try w.print("#define {s} \"{f}\"\n", .{ name, std.zig.fmtString(string) }),
	427	.undef => try w.print("/* #undef {s} */{s}", .{ name, newline }),
	428	.defined => try w.print("#define {s}{s}", .{ name, newline }),
	429	.bool => \|b\| return renderValueCBool(w, newline, name, b),
	430	inline .u64, .i64 => \|i\| try w.print("#define {s} {d}{s}", .{ name, i, newline }),
	431	.ident => \|ident\| return renderValueCIdent(w, newline, name, ident),
	432	.string => \|string\| try w.print("#define {s} \"{f}\"{s}", .{ name, std.zig.fmtString(string), newline }),
417	433	}
418	434	}
419	435
420		fn renderValueCIdent(w: *Writer, name: []const u8, ident: []const u8) Writer.Error!void {
421		return w.print("#define {s} {s}\n", .{ name, ident });
	436	fn renderValueCIdent(w: *Writer, newline: []const u8, name: []const u8, ident: []const u8) Writer.Error!void {
	437	try w.print("#define {s}", .{name});
	438	if (ident.len > 0) {
	439	try w.writeByte(' ');
	440	try w.writeAll(ident);
	441	}
	442	return w.writeAll(newline);
422	443	}
423	444
424		fn renderValueCBool(w: *Writer, name: []const u8, b: bool) Writer.Error!void {
425		return w.print("#define {s} {c}\n", .{ name, @as(u8, '0') + @intFromBool(b) });
	445	fn renderValueCBool(w: *Writer, newline: []const u8, name: []const u8, b: bool) Writer.Error!void {
	446	return w.print("#define {s} {c}{s}", .{ name, @as(u8, '0') + @intFromBool(b), newline });
426	447	}
427	448
428		fn renderValueNasm(conf: const Configuration, w: Writer, name: []const u8, value: Value.Index) !void {
	449	fn renderValueNasm(conf: const Configuration, w: Writer, newline: []const u8, name: []const u8, value: Value.Index) !void {
429	450	switch (value.unpack(conf)) {
430		.undef => try w.print("; %undef {s}\n", .{name}),
431		.defined => try w.print("%define {s}\n", .{name}),
432		.bool => \|b\| try w.print("%define {s} {c}\n", .{ name, @as(u8, '0') + @intFromBool(b) }),
433		inline .u64, .i64 => \|i\| try w.print("%define {s} {d}\n", .{ name, i }),
434		.ident => \|ident\| try w.print("%define {s} {s}\n", .{ name, ident }),
435		.string => \|string\| try w.print("%define {s} \"{f}\"\n", .{ name, std.zig.fmtString(string) }),
	451	.undef => try w.print("; %undef {s}{s}", .{ name, newline }),
	452	.defined => try w.print("%define {s}{s}", .{ name, newline }),
	453	.bool => \|b\| try w.print("%define {s} {c}{s}", .{ name, @as(u8, '0') + @intFromBool(b), newline }),
	454	inline .u64, .i64 => \|i\| try w.print("%define {s} {d}{s}", .{ name, i, newline }),
	455	.ident => \|ident\| try w.print("%define {s} {s}{s}", .{ name, ident, newline }),
	456	.string => \|string\| try w.print("%define {s} \"{f}\"{s}", .{ name, std.zig.fmtString(string), newline }),
436	457	}
437	458	}
438	459

test/standalone/build.zig.zon-3

...	...	@@ -141,9 +141,6 @@
141	141	.strip_struct_init = .{
142	142	.path = "strip_struct_init",
143	143	},
144		.cmakedefine = .{
145		.path = "cmakedefine",
146		},
147	144	.zerolength_check = .{
148	145	.path = "zerolength_check",
149	146	},

test/standalone/cmakedefine/build.zig deleted-104

...	...	@@ -1,104 +0,0 @@
1		const std = @import("std");
2		const ConfigHeader = std.Build.Step.ConfigHeader;
3
4		pub fn build(b: *std.Build) void {
5		const config_header = b.addConfigHeader(
6		.{
7		.style = .{ .cmake = b.path("config.h.in") },
8		.include_path = "config.h",
9		},
10		.{
11		.noval = null,
12		.trueval = true,
13		.falseval = false,
14		.zeroval = 0,
15		.oneval = 1,
16		.tenval = 10,
17		.stringval = "test",
18
19		.boolnoval = {},
20		.booltrueval = true,
21		.boolfalseval = false,
22		.boolzeroval = 0,
23		.booloneval = 1,
24		.booltenval = 10,
25		.boolstringval = "test",
26		},
27		);
28
29		const pwd_sh = b.addConfigHeader(
30		.{
31		.style = .{ .cmake = b.path("pwd.sh.in") },
32		.include_path = "pwd.sh",
33		},
34		.{ .DIR = "${PWD}" },
35		);
36
37		const sigil_header = b.addConfigHeader(
38		.{
39		.style = .{ .cmake = b.path("sigil.h.in") },
40		.include_path = "sigil.h",
41		},
42		.{},
43		);
44
45		const stack_header = b.addConfigHeader(
46		.{
47		.style = .{ .cmake = b.path("stack.h.in") },
48		.include_path = "stack.h",
49		},
50		.{
51		.UNDERSCORE = "_",
52		.NEST_UNDERSCORE_PROXY = "UNDERSCORE",
53		.NEST_PROXY = "NEST_UNDERSCORE_PROXY",
54		},
55		);
56
57		const wrapper_header = b.addConfigHeader(
58		.{
59		.style = .{ .cmake = b.path("wrapper.h.in") },
60		.include_path = "wrapper.h",
61		},
62		.{
63		.DOLLAR = "$",
64		.TEXT = "TRAP",
65
66		.STRING = "TEXT",
67		.STRING_AT = "@STRING@",
68		.STRING_CURLY = "{STRING}",
69		.STRING_VAR = "${STRING}",
70		},
71		);
72
73		const check_exe = b.addExecutable(.{
74		.name = "check",
75		.root_module = b.createModule(.{
76		.target = b.graph.host,
77		.root_source_file = b.path("check.zig"),
78		}),
79		});
80
81		const test_step = b.step("test", "Test it");
82		b.default_step = test_step;
83		test_step.dependOn(addCheck(b, check_exe, config_header));
84		test_step.dependOn(addCheck(b, check_exe, pwd_sh));
85		test_step.dependOn(addCheck(b, check_exe, sigil_header));
86		test_step.dependOn(addCheck(b, check_exe, stack_header));
87		test_step.dependOn(addCheck(b, check_exe, wrapper_header));
88		}
89
90		fn addCheck(
91		b: *std.Build,
92		check_exe: *std.Build.Step.Compile,
93		ch: *ConfigHeader,
94		) *std.Build.Step {
95		// We expect `ch.include_path` to only be a basename to infer where the expected output is.
96		std.debug.assert(std.fs.path.dirname(ch.include_path) == null);
97		const expected_path = b.fmt("expected_{s}", .{ch.include_path});
98
99		const run_check = b.addRunArtifact(check_exe);
100		run_check.addFileArg(ch.getOutputFile());
101		run_check.addFileArg(b.path(expected_path));
102
103		return &run_check.step;
104		}

test/standalone/cmakedefine/check.zig deleted-26

...	...	@@ -1,26 +0,0 @@
1		const std = @import("std");
2		const builtin = @import("builtin");
3
4		pub fn main(init: std.process.Init) !void {
5		const arena = init.arena.allocator();
6		const io = init.io;
7		const args = try init.minimal.args.toSlice(arena);
8
9		if (args.len != 3) return error.BadUsage;
10		const actual_path = args[1];
11		const expected_path = args[2];
12
13		const actual = try std.Io.Dir.cwd().readFileAlloc(io, actual_path, arena, .limited(1024 * 1024));
14		const expected = try std.Io.Dir.cwd().readFileAlloc(io, expected_path, arena, .limited(1024 * 1024));
15
16		// The actual output starts with a comment which we should strip out before comparing.
17		const comment_str = "/* This file was generated by ConfigHeader using the Zig Build System. */\n";
18		if (!std.mem.startsWith(u8, actual, comment_str)) {
19		return error.MissingOrMalformedComment;
20		}
21		const actual_without_comment = actual[comment_str.len..];
22
23		if (builtin.os.tag == .windows) return; // https://codeberg.org/ziglang/zig/issues/30138
24
25		try std.testing.expectEqualStrings(expected, actual_without_comment);
26		}

test/standalone/cmakedefine/config.h.in deleted-147

...	...	@@ -1,147 +0,0 @@
1		// cmakedefine
2		// undefined
3		#cmakedefine noval unreachable
4
5		// 1
6		#cmakedefine trueval 1
7
8		// undefined
9		#cmakedefine falseval unreachable
10
11		// undefined
12		#cmakedefine zeroval unreachable
13
14		// 1
15		#cmakedefine oneval 1
16
17		// 1
18		#cmakedefine tenval 1
19
20		// 1
21		#cmakedefine stringval 1
22
23		// whitespace test
24		#cmakedefine stringval 1
25		#cmakedefine stringval 1
26
27
28		// cmakedefine01
29		// 0
30		#cmakedefine01 boolnoval
31
32		// 1
33		#cmakedefine01 booltrueval
34
35		// 0
36		#cmakedefine01 boolfalseval
37
38		// 0
39		#cmakedefine01 boolzeroval
40
41		// 1
42		#cmakedefine01 booloneval
43
44		// 1
45		#cmakedefine01 booltenval
46
47		// 1
48		#cmakedefine01 boolstringval
49
50
51		// @ substition
52
53		// no substition
54		// @noval@
55
56		// no substition
57		// @noval@@noval@
58
59		// no substition
60		// @noval@.@noval@
61
62		// 1
63		// @trueval@
64
65		// 0
66		// @falseval@
67
68		// 10
69		// @trueval@@falseval@
70
71		// 0.1
72		// @falseval@.@trueval@
73
74		// 0
75		// @zeroval@
76
77		// 1
78		// @oneval@
79
80		// 10
81		// @tenval@
82
83		// 01
84		// @zeroval@@oneval@
85
86		// 0.10
87		// @zeroval@.@tenval@
88
89		// test
90		// @stringval@
91
92		// testtest
93		// @stringval@@stringval@
94
95		// test.test
96		// @stringval@.@stringval@
97
98		// test10
99		// @noval@@stringval@@trueval@@zeroval@
100
101		// no substition
102		// ${noval}
103
104		// no substition
105		// ${noval}${noval}
106
107		// no substition
108		// ${noval}.${noval}
109
110		// 1
111		// ${trueval}
112
113		// 0
114		// ${falseval}
115
116		// 10
117		// ${trueval}${falseval}
118
119		// 0.1
120		// ${falseval}.${trueval}
121
122		// 0
123		// ${zeroval}
124
125		// 1
126		// ${oneval}
127
128		// 10
129		// ${tenval}
130
131		// 01
132		// ${zeroval}${oneval}
133
134		// 0.10
135		// ${zeroval}.${tenval}
136
137		// test
138		// ${stringval}
139
140		// testtest
141		// ${stringval}${stringval}
142
143		// test.test
144		// ${stringval}.${stringval}
145
146		// test10
147		// ${noval}${stringval}${trueval}${zeroval}

test/standalone/cmakedefine/expected_config.h deleted-147

...	...	@@ -1,147 +0,0 @@
1		// cmakedefine
2		// undefined
3		/* #undef noval */
4
5		// 1
6		#define trueval 1
7
8		// undefined
9		/* #undef falseval */
10
11		// undefined
12		/* #undef zeroval */
13
14		// 1
15		#define oneval 1
16
17		// 1
18		#define tenval 1
19
20		// 1
21		#define stringval 1
22
23		// whitespace test
24		#define stringval 1
25		#define stringval 1
26
27
28		// cmakedefine01
29		// 0
30		#define boolnoval 0
31
32		// 1
33		#define booltrueval 1
34
35		// 0
36		#define boolfalseval 0
37
38		// 0
39		#define boolzeroval 0
40
41		// 1
42		#define booloneval 1
43
44		// 1
45		#define booltenval 1
46
47		// 1
48		#define boolstringval 1
49
50
51		// @ substition
52
53		// no substition
54		//
55
56		// no substition
57		//
58
59		// no substition
60		// .
61
62		// 1
63		// 1
64
65		// 0
66		// 0
67
68		// 10
69		// 10
70
71		// 0.1
72		// 0.1
73
74		// 0
75		// 0
76
77		// 1
78		// 1
79
80		// 10
81		// 10
82
83		// 01
84		// 01
85
86		// 0.10
87		// 0.10
88
89		// test
90		// test
91
92		// testtest
93		// testtest
94
95		// test.test
96		// test.test
97
98		// test10
99		// test10
100
101		// no substition
102		//
103
104		// no substition
105		//
106
107		// no substition
108		// .
109
110		// 1
111		// 1
112
113		// 0
114		// 0
115
116		// 10
117		// 10
118
119		// 0.1
120		// 0.1
121
122		// 0
123		// 0
124
125		// 1
126		// 1
127
128		// 10
129		// 10
130
131		// 01
132		// 01
133
134		// 0.10
135		// 0.10
136
137		// test
138		// test
139
140		// testtest
141		// testtest
142
143		// test.test
144		// test.test
145
146		// test10
147		// test10

test/standalone/cmakedefine/expected_pwd.sh deleted-1

...	...	@@ -1 +0,0 @@
1		echo ${PWD}

test/standalone/cmakedefine/expected_sigil.h deleted-4

...	...	@@ -1,4 +0,0 @@
1		#define AT @
2		#define ATAT @@
3		#define ATATAT @@@
4		#define ATATATAT @@@@

test/standalone/cmakedefine/expected_stack.h deleted-3

...	...	@@ -1,3 +0,0 @@
1		#define NEST_UNDERSCORE_PROXY NEST_UNDERSCORE_PROXY
2
3		#define NEST_UNDERSCORE_PROXY NEST_UNDERSCORE_PROXY

test/standalone/cmakedefine/expected_wrapper.h deleted-30

...	...	@@ -1,30 +0,0 @@
1		// becomes TEXT
2		#define TEXT
3		#define TEXT
4
5		// becomes `at`TEXT`at`
6		#define @TEXT@
7		#define @TEXT@
8
9		// becomes TRAP
10		#define TRAP
11
12		// becomes `dollar sign`{STRING}
13		#define ${STRING}
14		#define ${STRING}
15
16		// becomes `dollar sign`{STRING}
17		#define ${STRING}
18		#define ${STRING}
19
20		// becomes `dollar sign`{TEXT}
21		#define ${TEXT}
22		#define ${TEXT}
23
24		// becomes `at`STRING`at`
25		#define @STRING@
26		#define @STRING@
27
28		#define \@STRING_VAR\@
29		#define \${STRING}
30		#define $\{STRING_VAR}

test/standalone/cmakedefine/pwd.sh.in deleted-1

...	...	@@ -1 +0,0 @@
1		echo @DIR@

test/standalone/cmakedefine/sigil.h.in deleted-4

...	...	@@ -1,4 +0,0 @@
1		#define AT @
2		#define ATAT @@
3		#define ATATAT @@@
4		#define ATATATAT @@@@

test/standalone/cmakedefine/stack.h.in deleted-3

...	...	@@ -1,3 +0,0 @@
1		#define NEST_UNDERSCORE_PROXY ${NEST${UNDERSCORE}PROXY}
2
3		#define NEST_UNDERSCORE_PROXY ${NEST${${NEST_UNDERSCORE${UNDERSCORE}PROXY}}PROXY}

test/standalone/cmakedefine/wrapper.h.in deleted-30

...	...	@@ -1,30 +0,0 @@
1		// becomes TEXT
2		#define @STRING@
3		#define ${STRING}
4
5		// becomes `at`TEXT`at`
6		#define @${STRING}@
7		#define @@STRING@@
8
9		// becomes TRAP
10		#define ${@STRING@}
11
12		// becomes `dollar sign`{STRING}
13		#define $@STRING_CURLY@
14		#define $${STRING_CURLY}
15
16		// becomes `dollar sign`{STRING}
17		#define @STRING_VAR@
18		#define ${STRING_VAR}
19
20		// becomes `dollar sign`{TEXT}
21		#define ${DOLLAR}{${STRING}}
22		#define @DOLLAR@{${STRING}}
23
24		// becomes `at`STRING`at`
25		#define ${STRING_AT}
26		#define @STRING_AT@
27
28		#define \@STRING_VAR\@
29		#define \${STRING_VAR}
30		#define $\{STRING_VAR}

test/standalone/config_header/autoconf_at/autoconf_at.h created+63

...	...	@@ -0,0 +1,63 @@
	1	/* This file was generated by ConfigHeader using the Zig Build System. */
	2	/* Some Comment */
	3	int foo();
	4	// empty strings are preserved
	5
	6	// line with misc content is preserved
	7	#define KEPT_VALUE no substitution
	8
	9	// empty @ sigils are preserved
	10	#define AT_SIGIL_1 @
	11	#define AT_SIGIL_2 @@
	12	#define AT_SIGIL_3 @@@
	13	#define AT_SIGIL_4 @@@@
	14
	15	// simple substitution
	16	#define SIMPLE_UNDEFINED
	17	#define SIMPLE_DEFINED
	18	#define SIMPLE_BOOL_TRUE 1
	19	#define SIMPLE_BOOL_FALSE 0
	20	#define SIMPLE_INTEGER 42
	21	#define SIMPLE_STRING text
	22
	23	// double packed substitution
	24	#define DOUBLE_PACKED texttext
	25
	26	// triple packed substitution
	27	#define TRIPLE_PACKED text42text
	28
	29	// double separated substitution
	30	#define DOUBLE_SEPARATED 42.42
	31
	32	// triple separated substitution
	33	#define TRIPLE_SEPARATED 42.1.42
	34
	35	// misc prefix is preserved
	36	#define MISC_PREFIX false is 0
	37
	38	// misc suffix is preserved
	39	#define MISC_SUFFIX 1 is true
	40
	41	// surrounding content is preserved
	42	#define SURROUNDING what is 6*7? 42!
	43
	44	// incomplete key is preserved
	45	#define INCOMPLETE_KEY @undefined
	46
	47	// @-vars resolved only when they wrap valid characters, otherwise considered literals
	48	#define DOUBLE_WRAPPED @text@
	49
	50	// expanded variables are considered strings after expansion
	51	#define EXPANDED_STRING @string@
	52
	53	// variable name with underscores
	54	#define UNDERSCORED_VAR value
	55
	56	// backslash before at-sigil does not prevent resolution
	57	#define BACKSLASH_AT \text
	58
	59	// value that is an at-sign itself
	60	#define AT_SIGN_VALUE @
	61
	62	// incomplete key mid-line is preserved, trailing content kept
	63	#define INCOMPLETE_MID @incomplete trailing content

test/standalone/config_header/autoconf_at/autoconf_at.h.in created+62

...	...	@@ -0,0 +1,62 @@
	1	/* Some Comment */
	2	int foo();
	3	// empty strings are preserved
	4
	5	// line with misc content is preserved
	6	#define KEPT_VALUE no substitution
	7
	8	// empty @ sigils are preserved
	9	#define AT_SIGIL_1 @
	10	#define AT_SIGIL_2 @@
	11	#define AT_SIGIL_3 @@@
	12	#define AT_SIGIL_4 @@@@
	13
	14	// simple substitution
	15	#define SIMPLE_UNDEFINED @undefined@
	16	#define SIMPLE_DEFINED @defined@
	17	#define SIMPLE_BOOL_TRUE @boolean_true@
	18	#define SIMPLE_BOOL_FALSE @boolean_false@
	19	#define SIMPLE_INTEGER @integer@
	20	#define SIMPLE_STRING @string@
	21
	22	// double packed substitution
	23	#define DOUBLE_PACKED @string@@string@
	24
	25	// triple packed substitution
	26	#define TRIPLE_PACKED @string@@integer@@string@
	27
	28	// double separated substitution
	29	#define DOUBLE_SEPARATED @integer@.@integer@
	30
	31	// triple separated substitution
	32	#define TRIPLE_SEPARATED @integer@.@boolean_true@.@integer@
	33
	34	// misc prefix is preserved
	35	#define MISC_PREFIX false is @boolean_false@
	36
	37	// misc suffix is preserved
	38	#define MISC_SUFFIX @boolean_true@ is true
	39
	40	// surrounding content is preserved
	41	#define SURROUNDING what is 6*7? @integer@!
	42
	43	// incomplete key is preserved
	44	#define INCOMPLETE_KEY @undefined
	45
	46	// @-vars resolved only when they wrap valid characters, otherwise considered literals
	47	#define DOUBLE_WRAPPED @@string@@
	48
	49	// expanded variables are considered strings after expansion
	50	#define EXPANDED_STRING @string_at@
	51
	52	// variable name with underscores
	53	#define UNDERSCORED_VAR @underscored_var@
	54
	55	// backslash before at-sigil does not prevent resolution
	56	#define BACKSLASH_AT \@string@
	57
	58	// value that is an at-sign itself
	59	#define AT_SIGN_VALUE @at_sign@
	60
	61	// incomplete key mid-line is preserved, trailing content kept
	62	#define INCOMPLETE_MID @incomplete trailing content

test/standalone/config_header/autoconf_undef/config.h created+32

...	...	@@ -0,0 +1,32 @@
	1	/* This file was generated by ConfigHeader using the Zig Build System. */
	2	/* Some Comment */
	3
	4	int foo();
	5
	6	/* #undef SOME_NO */
	7	#define SOME_TRUE 1
	8	#define SOME_FALSE 0
	9	#define SOME_ZERO 0
	10	#define SOME_ONE 1
	11	#define SOME_TEN 10
	12	#define SOME_ENUM foo
	13	#define SOME_ENUM_LITERAL test
	14	#define SOME_STRING "test"
	15
	16	// Used twice
	17	#define SOME_TRUE 1
	18
	19	/* #undef PREFIX_SPACE */
	20	/* #undef PREFIX_TAB */
	21	/* #undef POSTFIX_SPACE */
	22	/* #undef POSTFIX_TAB */
	23
	24	// #undef with underscored variable name
	25	#define SOME_UNDERSCORED 1
	26
	27	// #undef with extra tokens after variable name (ignored)
	28	#define SOME_ONE 1
	29
	30	// non-#undef # lines pass through unchanged
	31	#define KEPT_DEFINE value
	32	#include <kept.h>

test/standalone/config_header/autoconf_undef/config.h.in created+31

...	...	@@ -0,0 +1,31 @@
	1	/* Some Comment */
	2
	3	int foo();
	4
	5	#undef SOME_NO
	6	#undef SOME_TRUE
	7	#undef SOME_FALSE
	8	#undef SOME_ZERO
	9	#undef SOME_ONE
	10	#undef SOME_TEN
	11	#undef SOME_ENUM
	12	#undef SOME_ENUM_LITERAL
	13	#undef SOME_STRING
	14
	15	// Used twice
	16	#undef SOME_TRUE
	17
	18	#undef PREFIX_SPACE
	19	#undef PREFIX_TAB
	20	#undef POSTFIX_SPACE
	21	#undef POSTFIX_TAB
	22
	23	// #undef with underscored variable name
	24	#undef SOME_UNDERSCORED
	25
	26	// #undef with extra tokens after variable name (ignored)
	27	#undef SOME_ONE extra ignored tokens
	28
	29	// non-#undef # lines pass through unchanged
	30	#define KEPT_DEFINE value
	31	#include <kept.h>

test/standalone/config_header/blank/config.h created+13

...	...	@@ -0,0 +1,13 @@
	1	/* This file was generated by ConfigHeader using the Zig Build System. */
	2	#ifndef CONFIG_H
	3	#define CONFIG_H
	4	/* #undef UNDEFINED */
	5	#define DEFINED
	6	#define TRUE 1
	7	#define FALSE 0
	8	#define ZERO 0
	9	#define ONE 1
	10	#define TEN 10
	11	#define IDENT identifier
	12	#define STRING "test"
	13	#endif /* CONFIG_H */

test/standalone/config_header/build.zig+155-4

...	...	@@ -1,8 +1,11 @@
1	1	const std = @import("std");
2	2
3	3	pub fn build(b: *std.Build) void {
	4	const test_step = b.step("test", "Test it");
	5	b.default_step = test_step;
	6
4	7	const config_header = b.addConfigHeader(
5		.{ .style = .{ .autoconf_undef = b.path("config.h.in") } },
	8	.{ .style = .{ .autoconf_undef = b.path("autoconf_undef/config.h.in") } },
6	9	.{
7	10	.SOME_NO = null,
8	11	.SOME_TRUE = true,
...	...	@@ -13,16 +16,164 @@ pub fn build(b: *std.Build) void {
13	16	.SOME_ENUM = @as(enum { foo, bar }, .foo),
14	17	.SOME_ENUM_LITERAL = .@"test",
15	18	.SOME_STRING = "test",
16
17	19	.PREFIX_SPACE = null,
18	20	.PREFIX_TAB = null,
19	21	.POSTFIX_SPACE = null,
20	22	.POSTFIX_TAB = null,
	23	.SOME_UNDERSCORED = true,
21	24	},
22	25	);
	26	const check_config_header = b.addCheckFile(config_header.getOutputFile(), .{
	27	.expected_exact = @embedFile("autoconf_undef/config.h"),
	28	});
	29	test_step.dependOn(&check_config_header.step);
23	30
24		const check_config_header = b.addCheckFile(config_header.getOutputFile(), .{ .expected_exact = @embedFile("config.h") });
	31	const config_header_autoconf_at = b.addConfigHeader(
	32	.{ .style = .{ .autoconf_at = b.path("autoconf_at/autoconf_at.h.in") } },
	33	.{
	34	.undefined = null,
	35	.defined = {},
	36	.boolean_true = true,
	37	.boolean_false = false,
	38	.integer = 42,
	39	.string = "text",
	40	.string_at = "@string@",
	41	.underscored_var = "value",
	42	.at_sign = "@",
	43	},
	44	);
	45	const check_config_header_autoconf_at = b.addCheckFile(config_header_autoconf_at.getOutputFile(), .{
	46	.expected_exact = @embedFile("autoconf_at/autoconf_at.h"),
	47	});
	48	test_step.dependOn(&check_config_header_autoconf_at.step);
25	49
26		const test_step = b.step("test", "Test it");
	50	const config_header_blank = b.addConfigHeader(
	51	.{
	52	.style = .blank,
	53	.include_path = "config.h",
	54	},
	55	.{
	56	.UNDEFINED = null,
	57	.DEFINED = {},
	58	.TRUE = true,
	59	.FALSE = false,
	60	.ZERO = 0,
	61	.ONE = 1,
	62	.TEN = 10,
	63	.IDENT = @as(enum { identifier }, .identifier),
	64	.STRING = "test",
	65	},
	66	);
	67	const check_config_header_blank = b.addCheckFile(config_header_blank.getOutputFile(), .{
	68	.expected_exact = @embedFile("blank/config.h"),
	69	});
	70	test_step.dependOn(&check_config_header_blank.step);
	71
	72	const config_header_nasm = b.addConfigHeader(
	73	.{
	74	.style = .nasm,
	75	.include_path = "config.asm",
	76	},
	77	.{
	78	.UNDEFINED = null,
	79	.DEFINED = {},
	80	.TRUE = true,
	81	.FALSE = false,
	82	.ZERO = 0,
	83	.ONE = 1,
	84	.TEN = 10,
	85	.IDENT = @as(enum { identifier }, .identifier),
	86	.STRING = "test",
	87	},
	88	);
	89	const check_config_header_nasm = b.addCheckFile(config_header_nasm.getOutputFile(), .{
	90	.expected_exact = @embedFile("nasm/config.asm"),
	91	});
	92	test_step.dependOn(&check_config_header_nasm.step);
	93
	94	addCmakeChecks(b, test_step);
	95	}
	96
	97	fn addCmakeChecks(b: std.Build, test_step: std.Build.Step) void {
	98	const config_header = b.addConfigHeader(
	99	.{ .style = .{ .cmake = b.path("cmake/config.h.in") } },
	100	.{
	101	.NOVAL = null,
	102	.TRUEVAL = true,
	103	.FALSEVAL = false,
	104	.ZEROVAL = 0,
	105	.ONEVAL = 1,
	106	.TENVAL = 10,
	107	.STRINGVAL = "test",
	108	.BOOLNOVAL = {},
	109	.BOOLTRUEVAL = true,
	110	.BOOLFALSEVAL = false,
	111	.BOOLZEROVAL = 0,
	112	.BOOLONEVAL = 1,
	113	.BOOLTENVAL = 10,
	114	.BOOLSTRINGVAL = "test",
	115	},
	116	);
	117	const check_config_header = b.addCheckFile(config_header.getOutputFile(), .{
	118	.expected_exact = @embedFile("cmake/config.h"),
	119	});
27	120	test_step.dependOn(&check_config_header.step);
	121
	122	const pwd_sh = b.addConfigHeader(
	123	.{ .style = .{ .cmake = b.path("cmake/pwd.sh.in") } },
	124	.{ .DIR = "${PWD}" },
	125	);
	126	const check_pwd_sh = b.addCheckFile(pwd_sh.getOutputFile(), .{
	127	.expected_exact = @embedFile("cmake/pwd.sh"),
	128	});
	129	test_step.dependOn(&check_pwd_sh.step);
	130
	131	const config_header_edge_cases = b.addConfigHeader(
	132	.{ .style = .{ .cmake = b.path("cmake/edge_cases.h.in") } },
	133	.{
	134	.DOLLAR = "$",
	135	.UNDERSCORE = "_",
	136	.STRING = "text",
	137	.STRING_PROXY = "STRING",
	138	.STRING_AT = "@STRING@",
	139	.STRING_CURLY = "{STRING}",
	140	.STRING_VAR = "${STRING}",
	141	.NEST_UNDERSCORE_PROXY = "UNDERSCORE",
	142	.NEST_PROXY = "NEST_UNDERSCORE_PROXY",
	143	},
	144	);
	145	const check_config_header_edge_cases = b.addCheckFile(config_header_edge_cases.getOutputFile(), .{
	146	.expected_exact = @embedFile("cmake/edge_cases.h"),
	147	});
	148	test_step.dependOn(&check_config_header_edge_cases.step);
	149
	150	const config_header_cmakedefine_edge_cases = b.addConfigHeader(
	151	.{
	152	.style = .{ .cmake = b.path("cmake/cmakedefine_edge_cases.h.in") },
	153	.include_path = "cmakedefine_edge_cases_renamed.h",
	154	},
	155	.{
	156	.MULTI_WORD = true,
	157	.MULTI_WORD_FALSE = false,
	158	.NO_VALUE = true,
	159	.NO_VALUE_FALSE = false,
	160	.WITH_UNDERSCORE_TRUE = true,
	161	.WITH_UNDERSCORE_FALSE = false,
	162	._LEADING = true,
	163	.TRAILING_ = true,
	164	._UNDER_01 = true,
	165	.UNDER_01_ = true,
	166	.SUBST_VAL = true,
	167	.SUBST_VAL_FALSE = false,
	168	.STRING = "text",
	169	.VAR_NAME = "ACTUAL_VAR",
	170	.ACTUAL_VAR = true,
	171	.AT_SIGN = "@",
	172	.DOLLAR_SIGN = "$",
	173	},
	174	);
	175	const check_config_header_cmakedefine_edge_cases = b.addCheckFile(config_header_cmakedefine_edge_cases.getOutputFile(), .{
	176	.expected_exact = @embedFile("cmake/cmakedefine_edge_cases.h"),
	177	});
	178	test_step.dependOn(&check_config_header_cmakedefine_edge_cases.step);
28	179	}

test/standalone/config_header/cmake/cmakedefine_edge_cases.h created+42

...	...	@@ -0,0 +1,42 @@
	1	/* This file was generated by ConfigHeader using the Zig Build System. */
	2	// cmakedefine with multi-word string value (truthy)
	3	#define MULTI_WORD "hello world"
	4
	5	// cmakedefine with multi-word string value (falsy)
	6	/* #undef MULTI_WORD_FALSE */
	7
	8	// cmakedefine with no replacement value (truthy)
	9	#define NO_VALUE
	10
	11	// cmakedefine with no replacement value (falsy)
	12	/* #undef NO_VALUE_FALSE */
	13
	14	// cmakedefine01 with underscored variable names (truthy)
	15	#define WITH_UNDERSCORE_TRUE 1
	16
	17	// cmakedefine01 with underscored variable names (falsy)
	18	#define WITH_UNDERSCORE_FALSE 0
	19
	20	// cmakedefine with leading/trailing underscores (truthy)
	21	#define _LEADING 1
	22	#define TRAILING_ 1
	23
	24	// cmakedefine01 with leading/trailing underscores (truthy)
	25	#define _UNDER_01 1
	26	#define UNDER_01_ 1
	27
	28	// cmakedefine with @ substitution in the replacement value (truthy)
	29	#define SUBST_VAL text
	30
	31	// cmakedefine with @ substitution in the replacement value (falsy)
	32	/* #undef SUBST_VAL_FALSE */
	33
	34	// cmakedefine with @ substitution as the variable name
	35	#define ACTUAL_VAR custom_val
	36
	37	// cmakedefine with dollar-curly substitution as the variable name
	38	#define ACTUAL_VAR custom_val
	39
	40	// @ and $ as literal config values
	41	@
	42	$

test/standalone/config_header/cmake/cmakedefine_edge_cases.h.in created+41

...	...	@@ -0,0 +1,41 @@
	1	// cmakedefine with multi-word string value (truthy)
	2	#cmakedefine MULTI_WORD "hello world"
	3
	4	// cmakedefine with multi-word string value (falsy)
	5	#cmakedefine MULTI_WORD_FALSE "hello world"
	6
	7	// cmakedefine with no replacement value (truthy)
	8	#cmakedefine NO_VALUE
	9
	10	// cmakedefine with no replacement value (falsy)
	11	#cmakedefine NO_VALUE_FALSE
	12
	13	// cmakedefine01 with underscored variable names (truthy)
	14	#cmakedefine01 WITH_UNDERSCORE_TRUE
	15
	16	// cmakedefine01 with underscored variable names (falsy)
	17	#cmakedefine01 WITH_UNDERSCORE_FALSE
	18
	19	// cmakedefine with leading/trailing underscores (truthy)
	20	#cmakedefine _LEADING 1
	21	#cmakedefine TRAILING_ 1
	22
	23	// cmakedefine01 with leading/trailing underscores (truthy)
	24	#cmakedefine01 _UNDER_01
	25	#cmakedefine01 UNDER_01_
	26
	27	// cmakedefine with @ substitution in the replacement value (truthy)
	28	#cmakedefine SUBST_VAL @STRING@
	29
	30	// cmakedefine with @ substitution in the replacement value (falsy)
	31	#cmakedefine SUBST_VAL_FALSE @STRING@
	32
	33	// cmakedefine with @ substitution as the variable name
	34	#cmakedefine @VAR_NAME@ custom_val
	35
	36	// cmakedefine with dollar-curly substitution as the variable name
	37	#cmakedefine ${VAR_NAME} custom_val
	38
	39	// @ and $ as literal config values
	40	@AT_SIGN@
	41	${DOLLAR_SIGN}

test/standalone/config_header/cmake/config.h created+144

...	...	@@ -0,0 +1,144 @@
	1	/* This file was generated by ConfigHeader using the Zig Build System. */
	2	// cmakedefine — value is null (undefined) → /* #undef */
	3	/* #undef NOVAL */
	4
	5	// cmakedefine — value is true → #define ... 1
	6	#define TRUEVAL 1
	7
	8	// cmakedefine — value is false → /* #undef */
	9	/* #undef FALSEVAL */
	10
	11	// cmakedefine — value is 0 (falsy) → /* #undef */
	12	/* #undef ZEROVAL */
	13
	14	// cmakedefine — value is 1 (truthy) → #define ... 1
	15	#define ONEVAL 1
	16
	17	// cmakedefine — value is 10 (truthy) → #define ... 1
	18	#define TENVAL 1
	19
	20	// cmakedefine — value is non-empty string (truthy) → #define ... 1
	21	#define STRINGVAL 1
	22
	23	// cmakedefine — leading whitespace preserved in output
	24	#define STRINGVAL 1
	25	#define STRINGVAL 1
	26
	27
	28	// cmakedefine01 — value is {} (defined, no value) → 0
	29	#define BOOLNOVAL 0
	30
	31	// cmakedefine01 — value is true → 1
	32	#define BOOLTRUEVAL 1
	33
	34	// cmakedefine01 — value is false → 0
	35	#define BOOLFALSEVAL 0
	36
	37	// cmakedefine01 — value is 0 (falsy) → 0
	38	#define BOOLZEROVAL 0
	39
	40	// cmakedefine01 — value is 1 (truthy) → 1
	41	#define BOOLONEVAL 1
	42
	43	// cmakedefine01 — value is 10 (truthy) → 1
	44	#define BOOLTENVAL 1
	45
	46	// cmakedefine01 — value is non-empty string (truthy) → 1
	47	#define BOOLSTRINGVAL 1
	48
	49
	50	// @-substitution — value is null → empty string
	51	//
	52
	53	// @-substitution — null values produce nothing even when packed
	54	//
	55
	56	// @-substitution — null values produce nothing even when separated
	57	// .
	58
	59	// @-substitution — value is true → "1"
	60	// 1
	61
	62	// @-substitution — value is false → "0"
	63	// 0
	64
	65	// @-substitution — true + false packed → "10"
	66	// 10
	67
	68	// @-substitution — false + true separated → "0.1"
	69	// 0.1
	70
	71	// @-substitution — value is 0 → "0"
	72	// 0
	73
	74	// @-substitution — value is 1 → "1"
	75	// 1
	76
	77	// @-substitution — value is 10 → "10"
	78	// 10
	79
	80	// @-substitution — 0 + 1 packed → "01"
	81	// 01
	82
	83	// @-substitution — 0 + 10 separated → "0.10"
	84	// 0.10
	85
	86	// @-substitution — value is string "test" → "test"
	87	// test
	88
	89	// @-substitution — strings packed → "testtest"
	90	// testtest
	91
	92	// @-substitution — strings separated → "test.test"
	93	// test.test
	94
	95	// @-substitution — mixed null/string/true/zero → "test10"
	96	// test10
	97
	98	// dollar-curly substitution — value is null → empty string
	99	//
	100
	101	// dollar-curly substitution — null values produce nothing even when packed
	102	//
	103
	104	// dollar-curly substitution — null values produce nothing even when separated
	105	// .
	106
	107	// dollar-curly substitution — value is true → "1"
	108	// 1
	109
	110	// dollar-curly substitution — value is false → "0"
	111	// 0
	112
	113	// dollar-curly substitution — true + false packed → "10"
	114	// 10
	115
	116	// dollar-curly substitution — false + true separated → "0.1"
	117	// 0.1
	118
	119	// dollar-curly substitution — value is 0 → "0"
	120	// 0
	121
	122	// dollar-curly substitution — value is 1 → "1"
	123	// 1
	124
	125	// dollar-curly substitution — value is 10 → "10"
	126	// 10
	127
	128	// dollar-curly substitution — 0 + 1 packed → "01"
	129	// 01
	130
	131	// dollar-curly substitution — 0 + 10 separated → "0.10"
	132	// 0.10
	133
	134	// dollar-curly substitution — value is string "test" → "test"
	135	// test
	136
	137	// dollar-curly substitution — strings packed → "testtest"
	138	// testtest
	139
	140	// dollar-curly substitution — strings separated → "test.test"
	141	// test.test
	142
	143	// dollar-curly substitution — mixed null/string/true/zero → "test10"
	144	// test10

test/standalone/config_header/cmake/config.h.in created+143

...	...	@@ -0,0 +1,143 @@
	1	// cmakedefine — value is null (undefined) → /* #undef */
	2	#cmakedefine NOVAL unreachable
	3
	4	// cmakedefine — value is true → #define ... 1
	5	#cmakedefine TRUEVAL 1
	6
	7	// cmakedefine — value is false → /* #undef */
	8	#cmakedefine FALSEVAL unreachable
	9
	10	// cmakedefine — value is 0 (falsy) → /* #undef */
	11	#cmakedefine ZEROVAL unreachable
	12
	13	// cmakedefine — value is 1 (truthy) → #define ... 1
	14	#cmakedefine ONEVAL 1
	15
	16	// cmakedefine — value is 10 (truthy) → #define ... 1
	17	#cmakedefine TENVAL 1
	18
	19	// cmakedefine — value is non-empty string (truthy) → #define ... 1
	20	#cmakedefine STRINGVAL 1
	21
	22	// cmakedefine — leading whitespace preserved in output
	23	#cmakedefine STRINGVAL 1
	24	#cmakedefine STRINGVAL 1
	25
	26
	27	// cmakedefine01 — value is {} (defined, no value) → 0
	28	#cmakedefine01 BOOLNOVAL
	29
	30	// cmakedefine01 — value is true → 1
	31	#cmakedefine01 BOOLTRUEVAL
	32
	33	// cmakedefine01 — value is false → 0
	34	#cmakedefine01 BOOLFALSEVAL
	35
	36	// cmakedefine01 — value is 0 (falsy) → 0
	37	#cmakedefine01 BOOLZEROVAL
	38
	39	// cmakedefine01 — value is 1 (truthy) → 1
	40	#cmakedefine01 BOOLONEVAL
	41
	42	// cmakedefine01 — value is 10 (truthy) → 1
	43	#cmakedefine01 BOOLTENVAL
	44
	45	// cmakedefine01 — value is non-empty string (truthy) → 1
	46	#cmakedefine01 BOOLSTRINGVAL
	47
	48
	49	// @-substitution — value is null → empty string
	50	// @NOVAL@
	51
	52	// @-substitution — null values produce nothing even when packed
	53	// @NOVAL@@NOVAL@
	54
	55	// @-substitution — null values produce nothing even when separated
	56	// @NOVAL@.@NOVAL@
	57
	58	// @-substitution — value is true → "1"
	59	// @TRUEVAL@
	60
	61	// @-substitution — value is false → "0"
	62	// @FALSEVAL@
	63
	64	// @-substitution — true + false packed → "10"
	65	// @TRUEVAL@@FALSEVAL@
	66
	67	// @-substitution — false + true separated → "0.1"
	68	// @FALSEVAL@.@TRUEVAL@
	69
	70	// @-substitution — value is 0 → "0"
	71	// @ZEROVAL@
	72
	73	// @-substitution — value is 1 → "1"
	74	// @ONEVAL@
	75
	76	// @-substitution — value is 10 → "10"
	77	// @TENVAL@
	78
	79	// @-substitution — 0 + 1 packed → "01"
	80	// @ZEROVAL@@ONEVAL@
	81
	82	// @-substitution — 0 + 10 separated → "0.10"
	83	// @ZEROVAL@.@TENVAL@
	84
	85	// @-substitution — value is string "test" → "test"
	86	// @STRINGVAL@
	87
	88	// @-substitution — strings packed → "testtest"
	89	// @STRINGVAL@@STRINGVAL@
	90
	91	// @-substitution — strings separated → "test.test"
	92	// @STRINGVAL@.@STRINGVAL@
	93
	94	// @-substitution — mixed null/string/true/zero → "test10"
	95	// @NOVAL@@STRINGVAL@@TRUEVAL@@ZEROVAL@
	96
	97	// dollar-curly substitution — value is null → empty string
	98	// ${NOVAL}
	99
	100	// dollar-curly substitution — null values produce nothing even when packed
	101	// ${NOVAL}${NOVAL}
	102
	103	// dollar-curly substitution — null values produce nothing even when separated
	104	// ${NOVAL}.${NOVAL}
	105
	106	// dollar-curly substitution — value is true → "1"
	107	// ${TRUEVAL}
	108
	109	// dollar-curly substitution — value is false → "0"
	110	// ${FALSEVAL}
	111
	112	// dollar-curly substitution — true + false packed → "10"
	113	// ${TRUEVAL}${FALSEVAL}
	114
	115	// dollar-curly substitution — false + true separated → "0.1"
	116	// ${FALSEVAL}.${TRUEVAL}
	117
	118	// dollar-curly substitution — value is 0 → "0"
	119	// ${ZEROVAL}
	120
	121	// dollar-curly substitution — value is 1 → "1"
	122	// ${ONEVAL}
	123
	124	// dollar-curly substitution — value is 10 → "10"
	125	// ${TENVAL}
	126
	127	// dollar-curly substitution — 0 + 1 packed → "01"
	128	// ${ZEROVAL}${ONEVAL}
	129
	130	// dollar-curly substitution — 0 + 10 separated → "0.10"
	131	// ${ZEROVAL}.${TENVAL}
	132
	133	// dollar-curly substitution — value is string "test" → "test"
	134	// ${STRINGVAL}
	135
	136	// dollar-curly substitution — strings packed → "testtest"
	137	// ${STRINGVAL}${STRINGVAL}
	138
	139	// dollar-curly substitution — strings separated → "test.test"
	140	// ${STRINGVAL}.${STRINGVAL}
	141
	142	// dollar-curly substitution — mixed null/string/true/zero → "test10"
	143	// ${NOVAL}${STRINGVAL}${TRUEVAL}${ZEROVAL}

test/standalone/config_header/cmake/edge_cases.h created+43

...	...	@@ -0,0 +1,43 @@
	1	/* This file was generated by ConfigHeader using the Zig Build System. */
	2	// empty lines are preserved
	3
	4	// double-wrapped at-sigils work like single-wrapped
	5	@text@
	6	@text@
	7
	8	// at-var lookup happens inside dollar-curly before dollar-curly lookup
	9	text
	10
	11	// expanded variables are treated as strings and can be re-substituted
	12	@STRING@
	13	@STRING@
	14	${STRING}
	15	${STRING}
	16	${STRING}
	17	${STRING}
	18	${text}
	19	${text}
	20	${text}
	21
	22	// nested dollar-curly expansion from the inside out
	23	STRING
	24	STRING
	25
	26	// nested dollar-curly — only completed brace blocks are expanded
	27	NEST_UNDERSCORE_PROXY
	28	NEST_UNDERSCORE_PROXY
	29
	30	// backslash is invalid in at-var names — preserved as literal
	31	\@STRING\@
	32
	33	// backslash does not affect dollar-curly expansion
	34	\text
	35
	36	// backslash before opening brace breaks dollar-curly identification
	37	$\{STRING}
	38
	39	// bare at-sigils pass through unchanged with no variable map
	40	#define AT @
	41	#define ATAT @@
	42	#define ATATAT @@@
	43	#define ATATATAT @@@@

test/standalone/config_header/cmake/edge_cases.h.in created+42

...	...	@@ -0,0 +1,42 @@
	1	// empty lines are preserved
	2
	3	// double-wrapped at-sigils work like single-wrapped
	4	@@STRING@@
	5	@${STRING}@
	6
	7	// at-var lookup happens inside dollar-curly before dollar-curly lookup
	8	${@STRING_PROXY@}
	9
	10	// expanded variables are treated as strings and can be re-substituted
	11	@STRING_AT@
	12	${STRING_AT}
	13	$@STRING_CURLY@
	14	$${STRING_CURLY}
	15	${STRING_VAR}
	16	@STRING_VAR@
	17	${DOLLAR}{${STRING}}
	18	@DOLLAR@{${STRING}}
	19	@DOLLAR@{@STRING@}
	20
	21	// nested dollar-curly expansion from the inside out
	22	${STRING${UNDERSCORE}PROXY}
	23	${STRING@UNDERSCORE@PROXY}
	24
	25	// nested dollar-curly — only completed brace blocks are expanded
	26	${NEST${UNDERSCORE}PROXY}
	27	${NEST${${NEST_UNDERSCORE${UNDERSCORE}PROXY}}PROXY}
	28
	29	// backslash is invalid in at-var names — preserved as literal
	30	\@STRING\@
	31
	32	// backslash does not affect dollar-curly expansion
	33	\${STRING}
	34
	35	// backslash before opening brace breaks dollar-curly identification
	36	$\{STRING}
	37
	38	// bare at-sigils pass through unchanged with no variable map
	39	#define AT @
	40	#define ATAT @@
	41	#define ATATAT @@@
	42	#define ATATATAT @@@@

test/standalone/config_header/cmake/pwd.sh created+2

...	...	@@ -0,0 +1,2 @@
	1	/* This file was generated by ConfigHeader using the Zig Build System. */
	2	echo ${PWD}

test/standalone/config_header/cmake/pwd.sh.in created+1

...	...	@@ -0,0 +1 @@
	1	echo @DIR@

test/standalone/config_header/config.h deleted-23

...	...	@@ -1,23 +0,0 @@
1		/* This file was generated by ConfigHeader using the Zig Build System. */
2		/* Some Comment */
3
4		int foo();
5
6		/* #undef SOME_NO */
7		#define SOME_TRUE 1
8		#define SOME_FALSE 0
9		#define SOME_ZERO 0
10		#define SOME_ONE 1
11		#define SOME_TEN 10
12		#define SOME_ENUM foo
13		#define SOME_ENUM_LITERAL test
14		#define SOME_STRING "test"
15
16		// Used twice
17		#define SOME_TRUE 1
18
19		/* #undef PREFIX_SPACE */
20		/* #undef PREFIX_TAB */
21		/* #undef POSTFIX_SPACE */
22		/* #undef POSTFIX_TAB */
23

test/standalone/config_header/config.h.in deleted-21

...	...	@@ -1,21 +0,0 @@
1		/* Some Comment */
2
3		int foo();
4
5		#undef SOME_NO
6		#undef SOME_TRUE
7		#undef SOME_FALSE
8		#undef SOME_ZERO
9		#undef SOME_ONE
10		#undef SOME_TEN
11		#undef SOME_ENUM
12		#undef SOME_ENUM_LITERAL
13		#undef SOME_STRING
14
15		// Used twice
16		#undef SOME_TRUE
17
18		#undef PREFIX_SPACE
19		#undef PREFIX_TAB
20		#undef POSTFIX_SPACE
21		#undef POSTFIX_TAB

test/standalone/config_header/nasm/config.asm created+10

...	...	@@ -0,0 +1,10 @@
	1	; This file was generated by ConfigHeader using the Zig Build System.
	2	; %undef UNDEFINED
	3	%define DEFINED
	4	%define TRUE 1
	5	%define FALSE 0
	6	%define ZERO 0
	7	%define ONE 1
	8	%define TEN 10
	9	%define IDENT identifier
	10	%define STRING "test"