Convert a few expression actions to smart pointers.
These actions are extremely widely used (identifier expressions and literals); still no performance regression.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62468 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/PrintParserCallbacks.cpp b/Driver/PrintParserCallbacks.cpp
index efde399..18a4a24 100644
--- a/Driver/PrintParserCallbacks.cpp
+++ b/Driver/PrintParserCallbacks.cpp
@@ -438,49 +438,66 @@
//===--------------------------------------------------------------------===//
// Expression Parsing Callbacks.
//===--------------------------------------------------------------------===//
-
+
// Primary Expressions.
-
+
/// ActOnIdentifierExpr - Parse an identifier in expression context.
/// 'HasTrailingLParen' indicates whether or not the identifier has a '('
/// token immediately after it.
- virtual ExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc,
- IdentifierInfo &II,
- bool HasTrailingLParen,
- const CXXScopeSpec *SS) {
+ virtual OwningExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc,
+ IdentifierInfo &II,
+ bool HasTrailingLParen,
+ const CXXScopeSpec *SS) {
llvm::cout << __FUNCTION__ << "\n";
- return 0;
- }
-
- virtual ExprResult ActOnPredefinedExpr(SourceLocation Loc,
- tok::TokenKind Kind) {
- llvm::cout << __FUNCTION__ << "\n";
- return 0;
+ return ExprEmpty();
}
- virtual ExprResult ActOnCharacterConstant(const Token &) {
+ virtual OwningExprResult ActOnCXXOperatorFunctionIdExpr(
+ Scope *S, SourceLocation OperatorLoc,
+ OverloadedOperatorKind Op,
+ bool HasTrailingLParen, const CXXScopeSpec &SS) {
llvm::cout << __FUNCTION__ << "\n";
- return 0;
+ return ExprEmpty();
}
- virtual ExprResult ActOnNumericConstant(const Token &) {
+ virtual OwningExprResult ActOnCXXConversionFunctionExpr(
+ Scope *S, SourceLocation OperatorLoc,
+ TypeTy *Type, bool HasTrailingLParen,
+ const CXXScopeSpec &SS) {
llvm::cout << __FUNCTION__ << "\n";
- return 0;
+ return ExprEmpty();
}
-
+
+ virtual OwningExprResult ActOnPredefinedExpr(SourceLocation Loc,
+ tok::TokenKind Kind) {
+ llvm::cout << __FUNCTION__ << "\n";
+ return ExprEmpty();
+ }
+
+ virtual OwningExprResult ActOnCharacterConstant(const Token &) {
+ llvm::cout << __FUNCTION__ << "\n";
+ return ExprEmpty();
+ }
+
+ virtual OwningExprResult ActOnNumericConstant(const Token &) {
+ llvm::cout << __FUNCTION__ << "\n";
+ return ExprEmpty();
+ }
+
/// ActOnStringLiteral - The specified tokens were lexed as pasted string
/// fragments (e.g. "foo" "bar" L"baz").
- virtual ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks) {
+ virtual OwningExprResult ActOnStringLiteral(const Token *Toks,
+ unsigned NumToks) {
llvm::cout << __FUNCTION__ << "\n";
- return 0;
+ return ExprEmpty();
}
-
- virtual ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R,
- ExprTy *Val) {
+
+ virtual OwningExprResult ActOnParenExpr(SourceLocation L, SourceLocation R,
+ ExprArg Val) {
llvm::cout << __FUNCTION__ << "\n";
- return Val; // Default impl returns operand.
+ return move_res(Val); // Default impl returns operand.
}
-
+
// Postfix Expressions.
virtual ExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc,
tok::TokenKind Kind, ExprTy *Input) {