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modern objective-c translator: Fixes translation of 

__typeof which is a regression by reverting
r154360. // rdar://11233924

llvm-svn: 154679
This commit is contained in:
Fariborz Jahanian 2012-04-13 18:00:54 +00:00
parent 6d3f11142d
commit 3a5d552cd7
3 changed files with 51 additions and 1 deletions
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5
clang/lib/Rewrite/RewriteModernObjC.cpp
View File

@ -5357,10 +5357,13 @@ Stmt *RewriteModernObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) {
if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) {
RewriteCastExpr(CE);
}
#if 0
// FIXME. Cannot safely rewrite ImplicitCasts. This is the 2nd failed
// attempt: (id)((__typeof(z))_Block_copy((const void *)(z)));
if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) {
RewriteImplicitCastObjCExpr(ICE);
}
#if 0
if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) {
CastExpr *Replacement = new (Context) CastExpr(ICE->getType(),
ICE->getSubExpr(),

1
clang/test/Rewriter/objc-modern-implicit-cast.mm
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@ -1,6 +1,7 @@
// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp
// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-address-of-temporary -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
// rdar://11202764
// XFAIL: *
typedef void(^BL)(void);

46
clang/test/Rewriter/rewrite-modern-typeof.mm Normal file
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@ -0,0 +1,46 @@
// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp
// RUN: FileCheck -check-prefix LP --input-file=%t-rw.cpp %s
// RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -Wno-attributes -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
extern "C" {
extern "C" void *_Block_copy(const void *aBlock);
extern "C" void _Block_release(const void *aBlock);
}
int main() {
__attribute__((__blocks__(byref))) int a = 42;
int save_a = a;
void (^b)(void) = ^{
((__typeof(^{ a = 2; }))_Block_copy((const void *)(^{ a = 2; })));
};
((__typeof(b))_Block_copy((const void *)(b)));
return 0;
}
// CHECK-LP: ((void (^)(void))_Block_copy((const void *)(b)))
// radar 7628153
void f() {
int a;
__typeof__(a) aVal = a;
char *a1t = (char *)@encode(__typeof__(a));
__typeof__(aVal) bVal;
char *a2t = (char *)@encode(__typeof__(bVal));
__typeof__(bVal) cVal = bVal;
char *a3t = (char *)@encode(__typeof__(cVal));
}
// rdar://11239324
void x() {
id y;
void (^z)() = ^{ };
y = (id)((__typeof(z))_Block_copy((const void *)(z)));
}
// CHECK-LP: int aVal = a;
// CHECK-LP: int bVal;