add support for a top-level __extension__ marker, implementing a todo.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/Parser.cpp b/Parse/Parser.cpp
index 3a5885a..7ff0609 100644
--- a/Parse/Parser.cpp
+++ b/Parse/Parser.cpp
@@ -282,11 +282,11 @@
/// ParseExternalDeclaration:
/// external-declaration: [C99 6.9]
-/// function-definition [TODO]
-/// declaration [TODO]
+/// function-definition
+/// declaration
/// [EXT] ';'
/// [GNU] asm-definition
-/// [GNU] __extension__ external-declaration [TODO]
+/// [GNU] __extension__ external-declaration
/// [OBJC] objc-class-definition
/// [OBJC] objc-class-declaration
/// [OBJC] objc-alias-declaration
@@ -304,6 +304,13 @@
ConsumeToken();
// TODO: Invoke action for top-level semicolon.
return 0;
+ case tok::kw___extension__: {
+ ConsumeToken();
+ // FIXME: Disable extension warnings.
+ DeclTy *RV = ParseExternalDeclaration();
+ // FIXME: Restore extension warnings.
+ return RV;
+ }
case tok::kw_asm:
ParseSimpleAsm();
ExpectAndConsume(tok::semi, diag::err_expected_semi_after,