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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:
* 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.IASTName;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.parser.IASTInternalEnumerationSpecifier;
/**
* AST node for c++ enumeration specifiers.
*/
public class CPPASTEnumerationSpecifier extends CPPASTBaseDeclSpecifier
implements IASTInternalEnumerationSpecifier {
private IASTName name;
private boolean valuesComputed= false;
public CPPASTEnumerationSpecifier() {
}
public CPPASTEnumerationSpecifier(IASTName name) {
setName(name);
}
public boolean startValueComputation() {
if (valuesComputed)
return false;
valuesComputed= true;
return true;
}
public void addEnumerator(IASTEnumerator enumerator) {
assertNotFrozen();
if (enumerator != null) {
enumerator.setParent(this);
enumerator.setPropertyInParent(ENUMERATOR);
enumerators = (IASTEnumerator[]) ArrayUtil.append( IASTEnumerator.class, enumerators, ++enumeratorsPos, enumerator );
}
}
public IASTEnumerator[] getEnumerators() {
if (enumerators == null)
return IASTEnumerator.EMPTY_ENUMERATOR_ARRAY;
enumerators = (IASTEnumerator[]) ArrayUtil.removeNullsAfter( IASTEnumerator.class, enumerators, enumeratorsPos );
return enumerators;
}
private IASTEnumerator[] enumerators = null;
private int enumeratorsPos=-1;
public void setName(IASTName name) {
assertNotFrozen();
this.name = name;
if (name != null) {
name.setParent(this);
name.setPropertyInParent(ENUMERATION_NAME);
}
}
public IASTName getName() {
return name;
}
@Override
public String getRawSignature() {
return getName().toString() == null ? "" : getName().toString(); //$NON-NLS-1$
}
@Override
public boolean accept(ASTVisitor action) {
if (action.shouldVisitDeclSpecifiers) {
switch (action.visit(this)) {
case ASTVisitor.PROCESS_ABORT:
return false;
case ASTVisitor.PROCESS_SKIP:
return true;
default:
break;
}
}
if (name != null)
if (!name.accept(action))
return false;
IASTEnumerator[] enums = getEnumerators();
for (int i = 0; i < enums.length; i++)
if (!enums[i].accept(action))
return false;
if( action.shouldVisitDeclSpecifiers ){
switch( action.leave( this ) ){
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
return true;
}
public int getRoleForName(IASTName n) {
if (name == n)
return r_definition;
return r_unclear;
}
}
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