| /******************************************************************************* |
| * Copyright (c) 2005, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * John Camelon (IBM Rational Software) - Initial API and implementation |
| * Yuan Zhang / Beth Tibbitts (IBM Research) |
| * Markus Schorn (Wind River Systems) |
| * Sergey Prigogin (Google) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTVisitor; |
| import org.eclipse.cdt.core.dom.ast.IASTImplicitDestructorName; |
| import org.eclipse.cdt.core.dom.ast.IASTInitializer; |
| import org.eclipse.cdt.core.dom.ast.IASTTypeId; |
| import org.eclipse.cdt.core.dom.ast.IASTTypeIdInitializerExpression; |
| import org.eclipse.cdt.core.dom.ast.IProblemType; |
| import org.eclipse.cdt.core.dom.ast.IType; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTExpression; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTInitializerClause; |
| import org.eclipse.cdt.internal.core.dom.parser.ASTNode; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPEvaluation; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.DestructorCallCollector; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.EvalFixed; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.EvalTypeId; |
| |
| /** |
| * Type id initializer expression for C++, type-id { initializer } |
| */ |
| public class CPPASTTypeIdInitializerExpression extends ASTNode |
| implements IASTTypeIdInitializerExpression, ICPPASTExpression { |
| private IASTTypeId fTypeId; |
| private IASTInitializer fInitializer; |
| private ICPPEvaluation fEvaluation; |
| private IASTImplicitDestructorName[] fImplicitDestructorNames; |
| |
| public CPPASTTypeIdInitializerExpression() { |
| } |
| |
| public CPPASTTypeIdInitializerExpression(IASTTypeId t, IASTInitializer i) { |
| setTypeId(t); |
| setInitializer(i); |
| } |
| |
| @Override |
| public IASTTypeId getTypeId() { |
| return fTypeId; |
| } |
| |
| @Override |
| public void setTypeId(IASTTypeId typeId) { |
| assertNotFrozen(); |
| this.fTypeId = typeId; |
| if (typeId != null) { |
| typeId.setParent(this); |
| typeId.setPropertyInParent(TYPE_ID); |
| } |
| } |
| |
| @Override |
| public IASTInitializer getInitializer() { |
| return fInitializer; |
| } |
| |
| @Override |
| public void setInitializer(IASTInitializer initializer) { |
| assertNotFrozen(); |
| this.fInitializer = initializer; |
| if (initializer != null) { |
| initializer.setParent(this); |
| initializer.setPropertyInParent(INITIALIZER); |
| } |
| } |
| |
| @Override |
| public IASTImplicitDestructorName[] getImplicitDestructorNames() { |
| if (fImplicitDestructorNames == null) { |
| fImplicitDestructorNames = DestructorCallCollector.getTemporariesDestructorCalls(this); |
| } |
| |
| return fImplicitDestructorNames; |
| } |
| |
| @Override |
| public boolean accept(ASTVisitor action) { |
| if (action.shouldVisitExpressions) { |
| switch (action.visit(this)) { |
| case ASTVisitor.PROCESS_ABORT: return false; |
| case ASTVisitor.PROCESS_SKIP: return true; |
| default: break; |
| } |
| } |
| |
| if (fTypeId != null && !fTypeId.accept(action)) return false; |
| if (fInitializer != null && !fInitializer.accept(action)) return false; |
| |
| if (action.shouldVisitImplicitDestructorNames && !acceptByNodes(getImplicitDestructorNames(), action)) |
| return false; |
| |
| if (action.shouldVisitExpressions) { |
| switch (action.leave(this)) { |
| case ASTVisitor.PROCESS_ABORT: return false; |
| case ASTVisitor.PROCESS_SKIP: return true; |
| default: break; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public final boolean isLValue() { |
| return false; |
| } |
| |
| @Override |
| public IASTTypeIdInitializerExpression copy() { |
| return copy(CopyStyle.withoutLocations); |
| } |
| |
| @Override |
| public IASTTypeIdInitializerExpression copy(CopyStyle style) { |
| CPPASTTypeIdInitializerExpression copy =new CPPASTTypeIdInitializerExpression( |
| fTypeId == null ? null : fTypeId.copy(style), |
| fInitializer == null ? null : fInitializer.copy(style)); |
| return copy(copy, style); |
| } |
| |
| @Override |
| public ICPPEvaluation getEvaluation() { |
| if (fEvaluation == null) |
| fEvaluation= computeEvaluation(); |
| |
| return fEvaluation; |
| } |
| |
| private ICPPEvaluation computeEvaluation() { |
| final IASTInitializer initializer = getInitializer(); |
| if (!(initializer instanceof ICPPASTInitializerClause)) |
| return EvalFixed.INCOMPLETE; |
| |
| IType type= CPPVisitor.createType(getTypeId()); |
| if (type == null || type instanceof IProblemType) |
| return EvalFixed.INCOMPLETE; |
| |
| return new EvalTypeId(type, this, false, ((ICPPASTInitializerClause) initializer).getEvaluation()); |
| } |
| |
| @Override |
| public IType getExpressionType() { |
| return CPPEvaluation.getType(this); |
| } |
| |
| @Override |
| public ValueCategory getValueCategory() { |
| return CPPEvaluation.getValueCategory(this); |
| } |
| } |