simplify some other code for __extension__ processing.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57807 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseStmt.cpp b/lib/Parse/ParseStmt.cpp
index 228bc48..f5cdfff 100644
--- a/lib/Parse/ParseStmt.cpp
+++ b/lib/Parse/ParseStmt.cpp
@@ -13,6 +13,7 @@
//===----------------------------------------------------------------------===//
#include "clang/Parse/Parser.h"
+#include "ExtensionRAIIObject.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Parse/DeclSpec.h"
@@ -364,9 +365,8 @@
ConsumeToken();
// __extension__ silences extension warnings in the subexpression.
- bool SavedExtWarn = Diags.getWarnOnExtensions();
- Diags.setWarnOnExtensions(false);
-
+ ExtensionRAIIObject O(Diags); // Use RAII to do this.
+
// If this is the start of a declaration, parse it as such.
if (isDeclarationStatement()) {
// FIXME: Save the __extension__ on the decl as a node somehow.
@@ -374,13 +374,10 @@
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.
ExprResult Res = ParseCastExpression(false);
- Diags.setWarnOnExtensions(SavedExtWarn);
if (Res.isInvalid) {
SkipUntil(tok::semi);
@@ -392,7 +389,8 @@
if (Res.isInvalid)
continue;
- // Eat the semicolon at the end of stmt and convert the expr into a stmt.
+ // Eat the semicolon at the end of stmt and convert the expr into a
+ // statement.
ExpectAndConsume(tok::semi, diag::err_expected_semi_after_expr);
R = Actions.ActOnExprStmt(Res.Val);
}