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/*******************************************************************************
* 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;
}
}
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