/*******************************************************************************
* 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
* Emanuel Graf IFS - Bug 198269
* 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.ICPPASTForStatement;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent;
/**
* For statement in C++
*/
public class CPPASTForStatement extends ASTNode implements ICPPASTForStatement, IASTAmbiguityParent {
private IScope scope = null;
private IASTStatement init;
private IASTExpression condition;
private IASTDeclaration condDeclaration;
private IASTExpression iterationExpression;
private IASTStatement body;
public CPPASTForStatement() {
}
public CPPASTForStatement(IASTStatement init, IASTDeclaration condDeclaration,
IASTExpression iterationExpression, IASTStatement body) {
setInitializerStatement(init);
setConditionDeclaration(condDeclaration);
setIterationExpression(iterationExpression);
setBody(body);
}
public CPPASTForStatement(IASTStatement init, IASTExpression condition,
IASTExpression iterationExpression, IASTStatement body) {
setInitializerStatement(init);
setConditionExpression(condition);
setIterationExpression(iterationExpression);
setBody(body);
}
public CPPASTForStatement copy() {
return copy(CopyStyle.withoutLocations);
}
public CPPASTForStatement copy(CopyStyle style) {
CPPASTForStatement copy = new CPPASTForStatement();
copy.setInitializerStatement(init == null ? null : init.copy(style));
copy.setConditionDeclaration(condDeclaration == null ? null : condDeclaration.copy(style));
copy.setConditionExpression(condition == null ? null : condition.copy(style));
copy.setIterationExpression(iterationExpression == null ?
null : iterationExpression.copy(style));
copy.setBody(body == null ? null : body.copy(style));
copy.setOffsetAndLength(this);
if (style == CopyStyle.withLocations) {
copy.setCopyLocation(this);
}
return copy;
}
public IASTExpression getConditionExpression() {
return condition;
}
public void setConditionExpression(IASTExpression condition) {
assertNotFrozen();
this.condition = condition;
if (condition != null) {
condition.setParent(this);
condition.setPropertyInParent(CONDITION);
condDeclaration= null;
}
}
public IASTExpression getIterationExpression() {
return iterationExpression;
}
public void setIterationExpression(IASTExpression iterator) {
assertNotFrozen();
this.iterationExpression = iterator;
if (iterator != null) {
iterator.setParent(this);
iterator.setPropertyInParent(ITERATION);
}
}
public IASTStatement getBody() {
return body;
}
public void setBody(IASTStatement statement) {
assertNotFrozen();
body = statement;
if (statement != null) {
statement.setParent(this);
statement.setPropertyInParent(BODY);
}
}
public IScope getScope() {
if (scope == null)
scope = new CPPBlockScope(this);
return scope;
}
@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 (init != null && !init.accept(action)) return false;
if (condition != null && !condition.accept(action)) return false;
if (condDeclaration != null && !condDeclaration.accept(action)) return false;
if (iterationExpression != null && !iterationExpression.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 (child == condition || child == condDeclaration) {
if (other instanceof IASTExpression) {
setConditionExpression((IASTExpression) other);
} else if (other instanceof IASTDeclaration) {
setConditionDeclaration((IASTDeclaration) other);
}
} else if (child == iterationExpression) {
other.setPropertyInParent(child.getPropertyInParent());
other.setParent(child.getParent());
iterationExpression = (IASTExpression) other;
} else if (child == init) {
other.setPropertyInParent(child.getPropertyInParent());
other.setParent(child.getParent());
init = (IASTStatement) other;
}
}
public IASTStatement getInitializerStatement() {
return init;
}
public void setInitializerStatement(IASTStatement statement) {
assertNotFrozen();
init = statement;
if (statement != null) {
statement.setParent(this);
statement.setPropertyInParent(INITIALIZER);
}
}
public void setConditionDeclaration(IASTDeclaration d) {
assertNotFrozen();
condDeclaration = d;
if (d != null) {
d.setParent(this);
d.setPropertyInParent(CONDITION_DECLARATION);
condition= null;
}
}
public IASTDeclaration getConditionDeclaration() {
return condDeclaration;
}
}