authorgravatar for codroid@gmail.comhryx <codroid@gmail.com> 2019-06-22 17:29:36-07:00
committergravatar for codroid@gmail.comhryx <codroid@gmail.com> 2019-06-22 17:29:36-07:00
log4ae95d7ffc6ce6b011d5e5c6ff747cd3a1aa59bb
treeae5f51402078cf034267cf7b7d27a802228f5ea8
parent6325ffc3f1e5f61caab6d554a760c1b5d061b0d4
signature Commit is signed but in an unrecognized format.

Translate assignment BinaryOperator statements

4 files changed, 128 insertions(+), 0 deletions(-)

src-self-hosted/clang.zig+5
......@@ -960,3 +960,8 @@ pub extern fn ZigClangIntegerLiteral_EvaluateAsInt(*const ZigClangIntegerLiteral
960960pub extern fn ZigClangIntegerLiteral_getBeginLoc(*const ZigClangIntegerLiteral) ZigClangSourceLocation;
961961
962962pub extern fn ZigClangReturnStmt_getRetValue(*const ZigClangReturnStmt) ?*const ZigClangExpr;
963
964pub extern fn ZigClangBinaryOperator_getOpcode(*const ZigClangBinaryOperator) ZigClangBO;
965pub extern fn ZigClangBinaryOperator_getBeginLoc(*const ZigClangBinaryOperator) ZigClangSourceLocation;
966pub extern fn ZigClangBinaryOperator_getLHS(*const ZigClangBinaryOperator) *const ZigClangExpr;
967pub extern fn ZigClangBinaryOperator_getRHS(*const ZigClangBinaryOperator) *const ZigClangExpr;
src-self-hosted/translate_c.zig+98
......@@ -328,6 +328,7 @@ fn transStmt(
328328) !TransResult {
329329 const sc = ZigClangStmt_getStmtClass(stmt);
330330 switch (sc) {
331 .BinaryOperatorClass => return transBinaryOperator(rp, scope, @ptrCast(*const ZigClangBinaryOperator, stmt), result_used),
331332 .CompoundStmtClass => return transCompoundStmt(rp, scope, @ptrCast(*const ZigClangCompoundStmt, stmt)),
332333 .CStyleCastExprClass => return transCStyleCastExprClass(rp, scope, @ptrCast(*const ZigClangCStyleCastExpr, stmt), result_used, lrvalue),
333334 .DeclStmtClass => return transDeclStmt(rp, scope, @ptrCast(*const ZigClangDeclStmt, stmt)),
......@@ -347,6 +348,66 @@ fn transStmt(
347348 }
348349}
349350
351fn transBinaryOperator(
352 rp: RestorePoint,
353 scope: *Scope,
354 stmt: *const ZigClangBinaryOperator,
355 result_used: ResultUsed,
356) TransError!TransResult {
357 const op = ZigClangBinaryOperator_getOpcode(stmt);
358 switch (op) {
359 .PtrMemD, .PtrMemI, .Cmp => return revertAndWarn(
360 rp,
361 error.UnsupportedTranslation,
362 ZigClangBinaryOperator_getBeginLoc(stmt),
363 "TODO: handle more C binary operators: {}",
364 op,
365 ),
366 .Assign => return TransResult{
367 .node = &(try transCreateNodeAssign(rp, scope, result_used, ZigClangBinaryOperator_getLHS(stmt), ZigClangBinaryOperator_getRHS(stmt))).base,
368 .child_scope = scope,
369 .node_scope = scope,
370 },
371 .Mul,
372 .Div,
373 .Rem,
374 .Sub,
375 .Add,
376 .Shl,
377 .Shr,
378 .LT,
379 .GT,
380 .LE,
381 .GE,
382 .EQ,
383 .NE,
384 .And,
385 .Xor,
386 .Or,
387 .LAnd,
388 .LOr,
389 .Comma,
390 => return revertAndWarn(
391 rp,
392 error.UnsupportedTranslation,
393 ZigClangBinaryOperator_getBeginLoc(stmt),
394 "TODO: handle more C binary operators: {}",
395 op,
396 ),
397 .MulAssign,
398 .DivAssign,
399 .RemAssign,
400 .AddAssign,
401 .SubAssign,
402 .ShlAssign,
403 .ShrAssign,
404 .AndAssign,
405 .XorAssign,
406 .OrAssign,
407 => unreachable,
408 }
409}
410
350411fn transCompoundStmtInline(
351412 rp: RestorePoint,
352413 parent_scope: *Scope,
......@@ -796,6 +857,43 @@ fn cIsUnsignedInteger(qt: ZigClangQualType) bool {
796857 };
797858}
798859
860fn transCreateNodeAssign(
861 rp: RestorePoint,
862 scope: *Scope,
863 result_used: ResultUsed,
864 lhs: *const ZigClangExpr,
865 rhs: *const ZigClangExpr,
866) !*ast.Node.InfixOp {
867 // common case
868 // c: lhs = rhs
869 // zig: lhs = rhs
870 if (result_used == .unused) {
871 const lhs_node = try transExpr(rp, scope, lhs, .used, .l_value);
872 const eq_token = try appendToken(rp.c, .Equal, "=");
873 const rhs_node = try transExpr(rp, scope, rhs, .used, .r_value);
874 _ = try appendToken(rp.c, .Semicolon, ";");
875
876 const node = try rp.c.a().create(ast.Node.InfixOp);
877 node.* = ast.Node.InfixOp{
878 .base = ast.Node{ .id = .InfixOp },
879 .op_token = eq_token,
880 .lhs = lhs_node.node,
881 .op = .Assign,
882 .rhs = rhs_node.node,
883 };
884 return node;
885 }
886
887 // worst case
888 // c: lhs = rhs
889 // zig: (x: {
890 // zig: const _tmp = rhs;
891 // zig: lhs = _tmp;
892 // zig: break :x _tmp
893 // zig: })
894 return revertAndWarn(rp, error.UnsupportedTranslation, ZigClangExpr_getBeginLoc(lhs), "TODO: worst case assign op expr");
895}
896
799897fn transCreateNodeBuiltinFnCall(c: *Context, name: []const u8) !*ast.Node.BuiltinCall {
800898 const builtin_token = try appendToken(c, .Builtin, name);
801899 _ = try appendToken(c, .LParen, "(");
src/zig_clang.cpp+20
......@@ -2022,3 +2022,23 @@ const struct ZigClangExpr *ZigClangReturnStmt_getRetValue(const struct ZigClangR
20222022 auto casted = reinterpret_cast<const clang::ReturnStmt *>(self);
20232023 return reinterpret_cast<const struct ZigClangExpr *>(casted->getRetValue());
20242024}
2025
2026enum ZigClangBO ZigClangBinaryOperator_getOpcode(const struct ZigClangBinaryOperator *self) {
2027 auto casted = reinterpret_cast<const clang::BinaryOperator *>(self);
2028 return (ZigClangBO)casted->getOpcode();
2029}
2030
2031struct ZigClangSourceLocation ZigClangBinaryOperator_getBeginLoc(const struct ZigClangBinaryOperator *self) {
2032 auto casted = reinterpret_cast<const clang::BinaryOperator *>(self);
2033 return bitcast(casted->getBeginLoc());
2034}
2035
2036const struct ZigClangExpr *ZigClangBinaryOperator_getLHS(const struct ZigClangBinaryOperator *self) {
2037 auto casted = reinterpret_cast<const clang::BinaryOperator *>(self);
2038 return reinterpret_cast<const struct ZigClangExpr *>(casted->getLHS());
2039}
2040
2041const struct ZigClangExpr *ZigClangBinaryOperator_getRHS(const struct ZigClangBinaryOperator *self) {
2042 auto casted = reinterpret_cast<const clang::BinaryOperator *>(self);
2043 return reinterpret_cast<const struct ZigClangExpr *>(casted->getRHS());
2044}
src/zig_clang.h+5
......@@ -921,4 +921,9 @@ ZIG_EXTERN_C struct ZigClangSourceLocation ZigClangIntegerLiteral_getBeginLoc(co
921921
922922ZIG_EXTERN_C const struct ZigClangExpr *ZigClangReturnStmt_getRetValue(const struct ZigClangReturnStmt *);
923923
924ZIG_EXTERN_C enum ZigClangBO ZigClangBinaryOperator_getOpcode(const struct ZigClangBinaryOperator *);
925ZIG_EXTERN_C struct ZigClangSourceLocation ZigClangBinaryOperator_getBeginLoc(const struct ZigClangBinaryOperator *);
926ZIG_EXTERN_C const struct ZigClangExpr *ZigClangBinaryOperator_getLHS(const struct ZigClangBinaryOperator *);
927ZIG_EXTERN_C const struct ZigClangExpr *ZigClangBinaryOperator_getRHS(const struct ZigClangBinaryOperator *);
928
924929#endif