[cfe-commits] r99213 - in /cfe/trunk: lib/Sema/SemaDeclAttr.cpp test/Sema/attr-format.c

[Chris Lattner]

Author: lattner
Date: Mon Mar 22 16:08:50 2010
New Revision: 99213

URL: http://llvm.org/viewvc/llvm-project?rev=99213&view=rev
Log:
(re)implement PR6542, accepting and discarding the __gcc_tdiag__
format attribute specifier.

Modified:
    cfe/trunk/lib/Sema/SemaDeclAttr.cpp
    cfe/trunk/test/Sema/attr-format.c

Modified: cfe/trunk/lib/Sema/SemaDeclAttr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclAttr.cpp?rev=99213&r1=99212&r2=99213&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclAttr.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclAttr.cpp Mon Mar 22 16:08:50 2010
@@ -1115,6 +1115,7 @@
   NSStringFormat,
   StrftimeFormat,
   SupportedFormat,
+  IgnoredFormat,
   InvalidFormat
 };
 
@@ -1136,6 +1137,9 @@
       Format == "zcmn_err")
     return SupportedFormat;
 
+  if (Format == "gcc_tdiag")
+    return IgnoredFormat;
+  
   return InvalidFormat;
 }
 
@@ -1171,6 +1175,10 @@
 
   // Check for supported formats.
   FormatAttrKind Kind = getFormatAttrKind(Format);
+  
+  if (Kind == IgnoredFormat)
+    return;
+  
   if (Kind == InvalidFormat) {
     S.Diag(Attr.getLoc(), diag::warn_attribute_type_not_supported)
       << "format" << Attr.getParameterName()->getName();

Modified: cfe/trunk/test/Sema/attr-format.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/attr-format.c?rev=99213&r1=99212&r2=99213&view=diff
==============================================================================
--- cfe/trunk/test/Sema/attr-format.c (original)
+++ cfe/trunk/test/Sema/attr-format.c Mon Mar 22 16:08:50 2010
@@ -68,3 +68,7 @@
 foo2(const char *fmt, va_list va) {
   xx_vprintf(foo(fmt), va);
 }
+
+// PR6542
+extern void gcc_format (const char *, ...)
+  __attribute__ ((__format__(__gcc_tdiag__, 1, 2)));