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/*******************************************************************************
* Copyright (c) 2005, 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 Rational Software - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
import org.eclipse.cdt.core.dom.ast.IASTLabelStatement;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.ILabel;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.c.CASTVisitor;
import org.eclipse.cdt.core.dom.ast.c.ICFunctionScope;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
/**
* Created on Nov 8, 2004
* @author aniefer
*/
public class CFunctionScope extends CScope implements ICFunctionScope {
public CFunctionScope( IASTFunctionDefinition function ){
super( function );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.c.ICFunctionScope#getBinding(char[])
*/
public IBinding getBinding( char[] name ) {
return super.getBinding( NAMESPACE_TYPE_OTHER, name );
}
public IScope getBodyScope(){
IASTNode node = getPhysicalNode();
IASTStatement statement = ((IASTFunctionDefinition)node).getBody();
if( statement instanceof IASTCompoundStatement ){
return ((IASTCompoundStatement)statement).getScope();
}
return null;
}
public ILabel[] getLabels(){
FindLabelsAction action = new FindLabelsAction();
getPhysicalNode().accept( action );
ILabel [] result = null;
if( action.labels != null ){
for( int i = 0; i < action.labels.length && action.labels[i] != null; i++ ){
IASTLabelStatement labelStatement = action.labels[i];
IBinding binding = labelStatement.getName().resolveBinding();
if( binding != null )
result = (ILabel[]) ArrayUtil.append( ILabel.class, result, binding );
}
}
return (ILabel[]) ArrayUtil.trim( ILabel.class, result );
}
static private class FindLabelsAction extends CASTVisitor {
public IASTLabelStatement [] labels = null;
public FindLabelsAction(){
shouldVisitStatements = true;
}
@Override
public int visit( IASTStatement statement ) {
if( statement instanceof IASTLabelStatement ){
labels = (IASTLabelStatement[]) ArrayUtil.append( IASTLabelStatement.class, labels, statement );
}
return PROCESS_CONTINUE;
}
}
}
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