/*******************************************************************************
* Copyright (c) 2004, 2015 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 - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCatchHandler;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTryBlockStatement;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
/**
* @author jcamelon
*/
public class CPPASTTryBlockStatement extends CPPASTAttributeOwner implements ICPPASTTryBlockStatement {
private ICPPASTCatchHandler[] catchHandlers;
private int catchHandlersPos= -1;
private IASTStatement tryBody;
public CPPASTTryBlockStatement() {
}
public CPPASTTryBlockStatement(IASTStatement tryBody) {
setTryBody(tryBody);
}
@Override
public CPPASTTryBlockStatement copy() {
return copy(CopyStyle.withoutLocations);
}
@Override
public CPPASTTryBlockStatement copy(CopyStyle style) {
CPPASTTryBlockStatement copy =
new CPPASTTryBlockStatement(tryBody == null ? null : tryBody.copy(style));
for (ICPPASTCatchHandler handler : getCatchHandlers())
copy.addCatchHandler(handler == null ? null : handler.copy(style));
return copy(copy, style);
}
@Override
public void addCatchHandler(ICPPASTCatchHandler statement) {
assertNotFrozen();
if (statement != null) {
catchHandlers = ArrayUtil.appendAt(ICPPASTCatchHandler.class, catchHandlers, ++catchHandlersPos, statement);
statement.setParent(this);
statement.setPropertyInParent(CATCH_HANDLER);
}
}
@Override
public ICPPASTCatchHandler[] getCatchHandlers() {
if (catchHandlers == null)
return ICPPASTCatchHandler.EMPTY_CATCHHANDLER_ARRAY;
catchHandlers = ArrayUtil.trimAt(ICPPASTCatchHandler.class, catchHandlers, catchHandlersPos);
return catchHandlers;
}
@Override
public void setTryBody(IASTStatement tryBlock) {
assertNotFrozen();
tryBody = tryBlock;
if (tryBlock != null) {
tryBlock.setParent(this);
tryBlock.setPropertyInParent(BODY);
}
}
@Override
public IASTStatement getTryBody() {
return tryBody;
}
@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 (!acceptByAttributeSpecifiers(action)) return false;
if (tryBody != null && !tryBody.accept(action))
return false;
ICPPASTCatchHandler[] handlers = getCatchHandlers();
for (int i = 0; i < handlers.length; i++) {
if (!handlers[i].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;
}
@Override
public void replace(IASTNode child, IASTNode other) {
if (tryBody == child) {
other.setPropertyInParent(child.getPropertyInParent());
other.setParent(child.getParent());
tryBody = (IASTStatement) other;
return;
}
super.replace(child, other);
}
}