[cfe-commits] r41543 - in /cfe/trunk: Sema/SemaType.cpp include/clang/Basic/DiagnosticKinds.def test/Sema/c89.c
Chris Lattner
sabre at nondot.org
Tue Aug 28 09:40:32 PDT 2007
Author: lattner
Date: Tue Aug 28 11:40:32 2007
New Revision: 41543
URL: http://llvm.org/viewvc/llvm-project?rev=41543&view=rev
Log:
warn about long long when in c89 mode.
Modified:
cfe/trunk/Sema/SemaType.cpp
cfe/trunk/include/clang/Basic/DiagnosticKinds.def
cfe/trunk/test/Sema/c89.c
Modified: cfe/trunk/Sema/SemaType.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Sema/SemaType.cpp?rev=41543&r1=41542&r2=41543&view=diff
==============================================================================
--- cfe/trunk/Sema/SemaType.cpp (original)
+++ cfe/trunk/Sema/SemaType.cpp Tue Aug 28 11:40:32 2007
@@ -16,6 +16,7 @@
#include "clang/AST/Decl.h"
#include "clang/Parse/DeclSpec.h"
#include "clang/Lex/IdentifierTable.h"
+#include "clang/Basic/LangOptions.h"
using namespace clang;
/// ConvertDeclSpecToType - Convert the specified declspec to the appropriate
@@ -122,6 +123,11 @@
/// GetTypeForDeclarator - Convert the type for the specified declarator to Type
/// instances.
QualType Sema::GetTypeForDeclarator(Declarator &D, Scope *S) {
+ // long long is a C99 feature.
+ if (!getLangOptions().C99 &&
+ D.getDeclSpec().getTypeSpecWidth() == DeclSpec::TSW_longlong)
+ Diag(D.getDeclSpec().getTypeSpecWidthLoc(), diag::ext_longlong);
+
QualType T = ConvertDeclSpecToType(D.getDeclSpec(), Context);
// Apply const/volatile/restrict qualifiers to T.
Modified: cfe/trunk/include/clang/Basic/DiagnosticKinds.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticKinds.def?rev=41543&r1=41542&r2=41543&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticKinds.def (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticKinds.def Tue Aug 28 11:40:32 2007
@@ -438,6 +438,8 @@
"'long %0' is invalid")
DIAG(err_invalid_longlong_spec, ERROR,
"'long long %0' is invalid")
+DIAG(ext_longlong, EXTENSION,
+ "'long long' is an extension when C99 mode is not enabled")
DIAG(err_invalid_complex_spec, ERROR,
"'_Complex %0' is invalid")
DIAG(err_invalid_thread_spec, ERROR,
Modified: cfe/trunk/test/Sema/c89.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/c89.c?rev=41543&r1=41542&r2=41543&view=diff
==============================================================================
--- cfe/trunk/test/Sema/c89.c (original)
+++ cfe/trunk/test/Sema/c89.c Tue Aug 28 11:40:32 2007
@@ -17,3 +17,6 @@
__extension__ int j; /* expected-warning {{mixing declarations and code}} */
}
}
+
+long long x; /* expected-warning {{extension}} */
+
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