/*******************************************************************************
* 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.ICPPASTSwitchStatement;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent;
/**
* Switch statement in C++.
*/
public class CPPASTSwitchStatement extends ASTNode
implements ICPPASTSwitchStatement, IASTAmbiguityParent {
private IScope scope;
private IASTExpression controllerExpression;
private IASTDeclaration controllerDeclaration;
private IASTStatement body;
public CPPASTSwitchStatement() {
}
public CPPASTSwitchStatement(IASTDeclaration controller, IASTStatement body) {
setControllerDeclaration(controller);
setBody(body);
}
public CPPASTSwitchStatement(IASTExpression controller, IASTStatement body) {
setControllerExpression(controller);
setBody(body);
}
public CPPASTSwitchStatement copy() {
return copy(CopyStyle.withoutLocations);
}
public CPPASTSwitchStatement copy(CopyStyle style) {
CPPASTSwitchStatement copy = new CPPASTSwitchStatement();
copy.setControllerDeclaration(controllerDeclaration == null ?
null : controllerDeclaration.copy(style));
copy.setControllerExpression(controllerExpression == null ?
null : controllerExpression.copy(style));
copy.setBody(body == null ? null : body.copy(style));
copy.setOffsetAndLength(this);
if (style == CopyStyle.withLocations) {
copy.setCopyLocation(this);
}
return copy;
}
public IASTExpression getControllerExpression() {
return controllerExpression;
}
public void setControllerExpression(IASTExpression controller) {
assertNotFrozen();
this.controllerExpression = controller;
if (controller != null) {
controller.setParent(this);
controller.setPropertyInParent(CONTROLLER_EXP);
controllerDeclaration= null;
}
}
public IASTStatement getBody() {
return body;
}
public void setBody(IASTStatement body) {
assertNotFrozen();
this.body = body;
if (body != null) {
body.setParent(this);
body.setPropertyInParent(BODY);
}
}
@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 (controllerExpression != null && !controllerExpression.accept(action)) return false;
if (controllerDeclaration != null && !controllerDeclaration.accept(action)) return false;
if (body != null && !body.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 (body == child) {
other.setPropertyInParent(child.getPropertyInParent());
other.setParent(child.getParent());
body = (IASTStatement) other;
} else if (controllerDeclaration == child || controllerExpression == child) {
if (other instanceof IASTExpression) {
setControllerExpression((IASTExpression) other);
} else if (other instanceof IASTDeclaration) {
setControllerDeclaration((IASTDeclaration) other);
}
}
}
public IASTDeclaration getControllerDeclaration() {
return controllerDeclaration;
}
public void setControllerDeclaration(IASTDeclaration d) {
assertNotFrozen();
controllerDeclaration = d;
if (d != null) {
d.setParent(this);
d.setPropertyInParent(CONTROLLER_DECLARATION);
controllerExpression= null;
}
}
public IScope getScope() {
if (scope == null)
scope = new CPPBlockScope(this);
return scope;
}
}