/*******************************************************************************
* Copyright (c) 2004, 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) - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTWhileStatement;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent;
/**
* While statement in C++.
*/
public class CPPASTWhileStatement extends ASTNode
implements ICPPASTWhileStatement, IASTAmbiguityParent {
private IASTExpression condition;
private IASTStatement body;
private IASTDeclaration condition2;
private IScope scope;
public CPPASTWhileStatement() {
}
public CPPASTWhileStatement(IASTDeclaration condition, IASTStatement body) {
setConditionDeclaration(condition);
setBody(body);
}
public CPPASTWhileStatement(IASTExpression condition, IASTStatement body) {
setCondition(condition);
setBody(body);
}
public CPPASTWhileStatement copy() {
return copy(CopyStyle.withoutLocations);
}
public CPPASTWhileStatement copy(CopyStyle style) {
CPPASTWhileStatement copy = new CPPASTWhileStatement();
copy.setConditionDeclaration(condition2 == null ? null : condition2.copy(style));
copy.setCondition(condition == null ? null : condition.copy(style));
copy.setBody(body == null ? null : body.copy(style));
copy.setOffsetAndLength(this);
if (style == CopyStyle.withLocations) {
copy.setCopyLocation(this);
}
return copy;
}
public IASTExpression getCondition() {
return condition;
}
public void setCondition(IASTExpression condition) {
assertNotFrozen();
this.condition = condition;
if (condition != null) {
condition.setParent(this);
condition.setPropertyInParent(CONDITIONEXPRESSION);
condition2= null;
}
}
public IASTStatement getBody() {
return body;
}
public void setBody(IASTStatement body) {
assertNotFrozen();
this.body = body;
if (body != null) {
body.setParent(this);
body.setPropertyInParent(BODY);
}
}
public IASTDeclaration getConditionDeclaration() {
return condition2;
}
public void setConditionDeclaration(IASTDeclaration declaration) {
assertNotFrozen();
condition2 = declaration;
if (declaration != null) {
declaration.setParent(this);
declaration.setPropertyInParent(CONDITIONDECLARATION);
condition= null;
}
}
@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 && !condition.accept(action)) return false;
if (condition2 != null && !condition2.accept(action)) return false;
if (body != null && !body.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;
}
public void replace(IASTNode child, IASTNode other) {
if (body == child) {
other.setPropertyInParent(child.getPropertyInParent());
other.setParent(child.getParent());
body = (IASTStatement) other;
}
if (child == condition || child == condition2) {
if (other instanceof IASTExpression) {
setCondition((IASTExpression) other);
} else if (other instanceof IASTDeclaration) {
setConditionDeclaration((IASTDeclaration) other);
}
}
}
public IScope getScope() {
if (scope == null)
scope = new CPPBlockScope(this);
return scope;
}
}