[cfe-commits] r103767 - in /cfe/trunk: include/clang/Basic/DiagnosticParseKinds.td lib/Parse/ParseDeclCXX.cpp test/Parser/namespaces.cpp

Douglas Gregor dgregor at apple.com
Thu May 13 22:08:22 PDT 2010


Author: dgregor
Date: Fri May 14 00:08:22 2010
New Revision: 103767

URL: http://llvm.org/viewvc/llvm-project?rev=103767&view=rev
Log:
Namespaces can only be defined at global or namespace scope. Fixes PR6596.

Added:
    cfe/trunk/test/Parser/namespaces.cpp   (with props)
Modified:
    cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td
    cfe/trunk/lib/Parse/ParseDeclCXX.cpp

Modified: cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td?rev=103767&r1=103766&r2=103767&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td Fri May 14 00:08:22 2010
@@ -119,6 +119,8 @@
   "expected ';' after namespace name">;
 def err_unexpected_namespace_attributes_alias : Error<
   "attributes can not be specified on namespace alias">;
+def err_namespace_nonnamespace_scope : Error<
+  "namespaces can only be defined in global or namespace scope">;
 def err_expected_semi_after_attribute_list : Error<
   "expected ';' after attribute list">;
 def err_expected_semi_after_static_assert : Error<

Modified: cfe/trunk/lib/Parse/ParseDeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseDeclCXX.cpp?rev=103767&r1=103766&r2=103767&view=diff
==============================================================================
--- cfe/trunk/lib/Parse/ParseDeclCXX.cpp (original)
+++ cfe/trunk/lib/Parse/ParseDeclCXX.cpp Fri May 14 00:08:22 2010
@@ -87,6 +87,14 @@
 
   SourceLocation LBrace = ConsumeBrace();
 
+  if (CurScope->isClassScope() || CurScope->isTemplateParamScope() || 
+      CurScope->isInObjcMethodScope() || CurScope->getBlockParent() || 
+      CurScope->getFnParent()) {
+    Diag(LBrace, diag::err_namespace_nonnamespace_scope);
+    SkipUntil(tok::r_brace, false);
+    return DeclPtrTy();
+  }
+
   // Enter a scope for the namespace.
   ParseScope NamespaceScope(this, Scope::DeclScope);
 

Added: cfe/trunk/test/Parser/namespaces.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/namespaces.cpp?rev=103767&view=auto
==============================================================================
--- cfe/trunk/test/Parser/namespaces.cpp (added)
+++ cfe/trunk/test/Parser/namespaces.cpp Fri May 14 00:08:22 2010
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// PR6596
+namespace g { enum { o = 0 }; }
+
+void foo() {
+  namespace a { typedef g::o o; } // expected-error{{namespaces can only be defined in global or namespace scope}}
+}

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