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handle __extension__ properly at block scope.

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llvm-svn: 48332
This commit is contained in:
Chris Lattner 2008-03-13 06:32:11 +00:00
parent b943aa8c6c
commit fdc0748940
1 changed files with 8 additions and 2 deletions
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10
clang/Parse/ParseStmt.cpp
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@ -431,19 +431,25 @@ Parser::StmtResult Parser::ParseCompoundStatementBody(bool isStmtExpr) {
while (Tok.is(tok::kw___extension__))
ConsumeToken();
// __extension__ silences extension warnings in the subexpression.
bool SavedExtWarn = Diags.getWarnOnExtensions();
Diags.setWarnOnExtensions(false);
// If this is the start of a declaration, parse it as such.
if (isDeclarationSpecifier()) {
// FIXME: Save the __extension__ on the decl as a node somehow.
// FIXME: disable extwarns.
SourceLocation DeclStart = Tok.getLocation();
DeclTy *Res = ParseDeclaration(Declarator::BlockContext);
// FIXME: Pass in the right location for the end of the declstmt.
R = Actions.ActOnDeclStmt(Res, DeclStart, DeclStart);
Diags.setWarnOnExtensions(SavedExtWarn);
} else {
// Otherwise this was a unary __extension__ marker. Parse the
// subexpression and add the __extension__ unary op.
// FIXME: disable extwarns.
ExprResult Res = ParseCastExpression(false);
Diags.setWarnOnExtensions(SavedExtWarn);
if (Res.isInvalid) {
SkipUntil(tok::semi);
continue;