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a74948d347
the information on to Sema. There's still an incorrectness in the way template instantiation works now, but that is due to a far larger underlying representational problem. Also add a test case for various list initialization cases of scalars, which test this commit as well as the previous one. llvm-svn: 140460
93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
//===--- MultiInitializer.cpp - Initializer expression group ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the MultiInitializer class, which can represent a list
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// initializer or a parentheses-wrapped group of expressions in a C++ member
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// initializer.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Sema/MultiInitializer.h"
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#include "clang/Sema/Initialization.h"
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#include "clang/Sema/Sema.h"
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#include "clang/AST/Expr.h"
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using namespace clang;
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InitListExpr *MultiInitializer::getInitList() const {
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return cast<InitListExpr>(InitListOrExpressions.get<Expr*>());
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}
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SourceLocation MultiInitializer::getStartLoc() const {
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return isInitializerList() ? getInitList()->getLBraceLoc() : LParenLoc;
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}
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SourceLocation MultiInitializer::getEndLoc() const {
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return isInitializerList() ? getInitList()->getRBraceLoc() : RParenLoc;
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}
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MultiInitializer::iterator MultiInitializer::begin() const {
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return isInitializerList() ? getInitList()->getInits() : getExpressions();
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}
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MultiInitializer::iterator MultiInitializer::end() const {
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if (isInitializerList()) {
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InitListExpr *ILE = getInitList();
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return ILE->getInits() + ILE->getNumInits();
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}
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return getExpressions() + NumInitializers;
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}
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bool MultiInitializer::isTypeDependent() const {
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if (isInitializerList())
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return getInitList()->isTypeDependent();
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for (iterator I = begin(), E = end(); I != E; ++I) {
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if ((*I)->isTypeDependent())
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return true;
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}
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return false;
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}
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bool MultiInitializer::DiagnoseUnexpandedParameterPack(Sema &SemaRef) const {
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if (isInitializerList())
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return SemaRef.DiagnoseUnexpandedParameterPack(getInitList());
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for (iterator I = begin(), E = end(); I != E; ++I) {
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if (SemaRef.DiagnoseUnexpandedParameterPack(*I))
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return true;
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}
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return false;
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}
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Expr *MultiInitializer::CreateInitExpr(ASTContext &Ctx, QualType T) const {
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if (isInitializerList())
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return InitListOrExpressions.get<Expr*>();
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return new (Ctx) ParenListExpr(Ctx, LParenLoc, getExpressions(),
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NumInitializers, RParenLoc, T);
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}
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ExprResult MultiInitializer::PerformInit(Sema &SemaRef,
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InitializedEntity Entity,
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InitializationKind Kind) const {
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Expr *Single;
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Expr **Args;
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unsigned NumArgs;
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if (isInitializerList()) {
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Single = InitListOrExpressions.get<Expr*>();
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Args = &Single;
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NumArgs = 1;
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} else {
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Args = getExpressions();
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NumArgs = NumInitializers;
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}
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InitializationSequence InitSeq(SemaRef, Entity, Kind, Args, NumArgs);
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return InitSeq.Perform(SemaRef, Entity, Kind,
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MultiExprArg(SemaRef, Args, NumArgs), 0);
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}
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