[cfe-commits] r55635 - in /cfe/trunk: lib/Lex/Preprocessor.cpp test/Parser/block-block-storageclass.c

[Steve Naroff]

Author: snaroff
Date: Tue Sep  2 10:20:19 2008
New Revision: 55635

URL: http://llvm.org/viewvc/llvm-project?rev=55635&view=rev
Log:
Implement block pseudo-storage class modifiers (__block, __byref).

Added:
    cfe/trunk/test/Parser/block-block-storageclass.c
Modified:
    cfe/trunk/lib/Lex/Preprocessor.cpp

Modified: cfe/trunk/lib/Lex/Preprocessor.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/Preprocessor.cpp?rev=55635&r1=55634&r2=55635&view=diff

==============================================================================
--- cfe/trunk/lib/Lex/Preprocessor.cpp (original)
+++ cfe/trunk/lib/Lex/Preprocessor.cpp Tue Sep  2 10:20:19 2008
@@ -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.
 }
 

Added: cfe/trunk/test/Parser/block-block-storageclass.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/block-block-storageclass.c?rev=55635&view=auto

==============================================================================
--- cfe/trunk/test/Parser/block-block-storageclass.c (added)
+++ cfe/trunk/test/Parser/block-block-storageclass.c Tue Sep  2 10:20:19 2008
@@ -0,0 +1,18 @@
+// RUN: clang -fsyntax-only -verify -parse-noop %s
+
+#include <stdio.h>
+void _Block_byref_release(void*src){}
+
+int main() {
+   __block  int X = 1234;
+   __block  const char * message = "HELLO";
+
+   X = X - 1234;
+
+   X += 1;
+
+   printf ("%s(%d)\n", message, X);
+   X -= 1;
+
+   return X;
+}