| /******************************************************************************* |
| * Copyright (c) 2005, 2011 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 |
| * Markus Schorn (Wind River Systems) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.c; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTVisitor; |
| import org.eclipse.cdt.core.dom.ast.IASTCastExpression; |
| import org.eclipse.cdt.core.dom.ast.IASTExpression; |
| import org.eclipse.cdt.core.dom.ast.IASTNode; |
| import org.eclipse.cdt.core.dom.ast.IASTTypeId; |
| import org.eclipse.cdt.core.dom.ast.IType; |
| import org.eclipse.cdt.internal.core.dom.parser.ASTNode; |
| import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent; |
| |
| /** |
| * Cast expressions for c |
| */ |
| public class CASTCastExpression extends ASTNode implements IASTCastExpression, IASTAmbiguityParent { |
| private int operator; |
| private IASTExpression operand; |
| private IASTTypeId typeId; |
| |
| public CASTCastExpression() { |
| this.operator = op_cast; |
| } |
| |
| public CASTCastExpression(IASTTypeId typeId, IASTExpression operand) { |
| this(); |
| setOperand(operand); |
| setTypeId(typeId); |
| } |
| |
| @Override |
| public CASTCastExpression copy() { |
| return copy(CopyStyle.withoutLocations); |
| } |
| |
| @Override |
| public CASTCastExpression copy(CopyStyle style) { |
| CASTCastExpression copy = new CASTCastExpression(); |
| copy.setTypeId(typeId == null ? null : typeId.copy(style)); |
| IASTExpression operand = getOperand(); |
| copy.setOperand(operand == null ? null : operand.copy(style)); |
| copy.setOffsetAndLength(this); |
| if (style == CopyStyle.withLocations) { |
| copy.setCopyLocation(this); |
| } |
| return copy; |
| } |
| |
| @Override |
| public int getOperator() { |
| return operator; |
| } |
| |
| @Override |
| public void setOperator(int value) { |
| assertNotFrozen(); |
| this.operator = value; |
| } |
| |
| @Override |
| public IASTExpression getOperand() { |
| return operand; |
| } |
| |
| @Override |
| public void setOperand(IASTExpression expression) { |
| assertNotFrozen(); |
| operand = expression; |
| if (expression != null) { |
| expression.setParent(this); |
| expression.setPropertyInParent(OPERAND); |
| } |
| } |
| |
| @Override |
| public void setTypeId(IASTTypeId typeId) { |
| assertNotFrozen(); |
| this.typeId = typeId; |
| if (typeId != null) { |
| typeId.setParent(this); |
| typeId.setPropertyInParent(TYPE_ID); |
| } |
| } |
| |
| @Override |
| public IASTTypeId getTypeId() { |
| return typeId; |
| } |
| |
| @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( typeId != null ) if( !typeId.accept( action ) ) return false; |
| IASTExpression operand = getOperand(); |
| if( operand != null ) if( !operand.accept( 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 void replace(IASTNode child, IASTNode other) { |
| if (child == operand) { |
| other.setPropertyInParent(child.getPropertyInParent()); |
| other.setParent(child.getParent()); |
| operand = (IASTExpression) other; |
| } |
| } |
| |
| @Override |
| public IType getExpressionType() { |
| IASTTypeId id= getTypeId(); |
| return CVisitor.createType(id.getAbstractDeclarator()); |
| } |
| |
| @Override |
| public boolean isLValue() { |
| return false; |
| } |
| |
| @Override |
| public final ValueCategory getValueCategory() { |
| return ValueCategory.PRVALUE; |
| } |
| } |