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/*******************************************************************************
* Copyright (c) 2005, 2008 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:
* IBM Rational Software - Initial API and implementation
* Yuan Zhang / Beth Tibbitts (IBM Research)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTIfStatement;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent;
/**
* @author jcamelon
*/
public class CASTIfStatement extends CASTNode implements IASTIfStatement, IASTAmbiguityParent {
private IASTExpression condition;
private IASTStatement thenClause;
private IASTStatement elseClause;
public CASTIfStatement() {
}
public CASTIfStatement(IASTExpression condition, IASTStatement thenClause) {
setConditionExpression(condition);
setThenClause(thenClause);
}
public CASTIfStatement(IASTExpression condition, IASTStatement thenClause, IASTStatement elseClause) {
this(condition, thenClause);
setElseClause(elseClause);
}
public IASTExpression getConditionExpression() {
return condition;
}
public void setConditionExpression(IASTExpression condition) {
this.condition = condition;
if (condition != null) {
condition.setParent(this);
condition.setPropertyInParent(CONDITION);
}
}
public IASTStatement getThenClause() {
return thenClause;
}
public void setThenClause(IASTStatement thenClause) {
this.thenClause = thenClause;
if (thenClause != null) {
thenClause.setParent(this);
thenClause.setPropertyInParent(THEN);
}
}
public IASTStatement getElseClause() {
return elseClause;
}
public void setElseClause(IASTStatement elseClause) {
this.elseClause = elseClause;
if (elseClause != null) {
elseClause.setParent(this);
elseClause.setPropertyInParent(ELSE);
}
}
@Override
public boolean accept( ASTVisitor action ){
if( action.shouldVisitStatements ){
switch( action.visit( this ) ){
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
if( condition != null ) if( !condition.accept( action ) ) return false;
if( thenClause != null ) if( !thenClause.accept( action ) ) return false;
if( elseClause != null ) if( !elseClause.accept( action ) ) return false;
if( action.shouldVisitStatements ){
switch( action.leave( this ) ){
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
return true;
}
public void replace(IASTNode child, IASTNode other) {
if( thenClause == child )
{
other.setParent( child.getParent() );
other.setPropertyInParent( child.getPropertyInParent() );
thenClause = (IASTStatement) other;
}
if( elseClause == child )
{
other.setParent( child.getParent() );
other.setPropertyInParent( child.getPropertyInParent() );
elseClause = (IASTStatement) other;
}
if( child == condition )
{
other.setPropertyInParent( child.getPropertyInParent() );
other.setParent( child.getParent() );
condition = (IASTExpression) other;
}
}
}
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