Implement block pseudo-storage class modifiers (__block, __byref).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55635 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 18b106a..27c2e67 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -476,6 +476,13 @@
DefineBuiltinMacro(Buf, "__int64=long long");
DefineBuiltinMacro(Buf, "__declspec(X)=");
}
+ if (PP.getLangOptions().Blocks) {
+ DefineBuiltinMacro(Buf, "__byref=__attribute__((__blocks__(byref)))");
+ DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))");
+ } else {
+ DefineBuiltinMacro(Buf, "__byref=");
+ DefineBuiltinMacro(Buf, "__block=");
+ }
// FIXME: Should emit a #line directive here.
}