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/*******************************************************************************
* Copyright (c) 2004, 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 Corporation - initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
/*
* Created on Nov 29, 2004
*/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.IName;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.cpp.CPPASTVisitor;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTLinkageSpecification;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNamespaceDefinition;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceScope;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.index.IIndexScope;
/**
* @author aniefer
*/
public class CPPNamespaceScope extends CPPScope implements ICPPNamespaceScope{
IASTNode[] usings = null;
public CPPNamespaceScope( IASTNode physicalNode ) {
super( physicalNode );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceScope#getUsingDirectives()
*/
public IASTNode[] getUsingDirectives() {
return (IASTNode[]) ArrayUtil.trim( IASTNode.class, usings, true );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceScope#addUsingDirective(org.eclipse.cdt.core.dom.ast.cpp.ICPPASTUsingDirective)
*/
public void addUsingDirective(IASTNode directive) {
usings = (IASTNode[]) ArrayUtil.append( IASTNode.class, usings, directive );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPScope#getScopeName()
*/
public IName getScopeName() {
IASTNode node = getPhysicalNode();
if( node instanceof ICPPASTNamespaceDefinition ){
return ((ICPPASTNamespaceDefinition)node).getName();
}
return null;
}
public IScope findNamespaecScope(IIndexScope scope) {
final String[] qname= scope.getScopeBinding().getQualifiedName();
final IScope[] result= {null};
final CPPASTVisitor visitor= new CPPASTVisitor () {
private int depth= 0;
{
shouldVisitNamespaces= shouldVisitDeclarations= true;
}
@Override
public int visit( IASTDeclaration declaration ){
if( declaration instanceof ICPPASTLinkageSpecification )
return PROCESS_CONTINUE;
return PROCESS_SKIP;
}
@Override
public int visit(ICPPASTNamespaceDefinition namespace) {
final String name = namespace.getName().toString();
if (name.length() == 0) {
return PROCESS_CONTINUE;
}
if (qname[depth].equals(name)) {
if (++depth == qname.length) {
result[0]= namespace.getScope();
return PROCESS_ABORT;
}
return PROCESS_CONTINUE;
}
return PROCESS_SKIP;
}
@Override
public int leave(ICPPASTNamespaceDefinition namespace) {
if (namespace.getName().toCharArray().length > 0) {
--depth;
}
return PROCESS_CONTINUE;
}
};
getPhysicalNode().accept(visitor);
return result[0];
}
}
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