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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.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateScope;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
/**
* Represents a template declaration.
*/
public class CPPASTTemplateDeclaration extends ASTNode implements
ICPPASTInternalTemplateDeclaration, IASTAmbiguityParent {
private boolean exported;
private byte isAssociatedWithLastName= -1;
private short nestingLevel= -1;
private IASTDeclaration declaration;
private ICPPTemplateScope templateScope;
public CPPASTTemplateDeclaration() {
}
public CPPASTTemplateDeclaration(IASTDeclaration declaration) {
setDeclaration(declaration);
}
public boolean isExported() {
return exported;
}
public void setExported(boolean value) {
assertNotFrozen();
exported = value;
}
public IASTDeclaration getDeclaration() {
return declaration;
}
public void setDeclaration(IASTDeclaration declaration) {
assertNotFrozen();
this.declaration = declaration;
if (declaration != null) {
declaration.setParent(this);
declaration.setPropertyInParent(OWNED_DECLARATION);
}
}
public ICPPASTTemplateParameter [] getTemplateParameters() {
if( parameters == null ) return ICPPASTTemplateParameter.EMPTY_TEMPLATEPARAMETER_ARRAY;
parameters = (ICPPASTTemplateParameter[]) ArrayUtil.removeNullsAfter( ICPPASTTemplateParameter.class, parameters, parametersPos );
return parameters;
}
public void addTemplateParamter(ICPPASTTemplateParameter parm) {
assertNotFrozen();
if (parm != null) {
parameters = (ICPPASTTemplateParameter[]) ArrayUtil.append( ICPPASTTemplateParameter.class, parameters, ++parametersPos, parm );
parm.setParent(this);
parm.setPropertyInParent(PARAMETER);
}
}
private ICPPASTTemplateParameter [] parameters = null;
private int parametersPos=-1;
@Override
public boolean accept( ASTVisitor action ){
if( action.shouldVisitDeclarations ){
switch( action.visit( this ) ){
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
ICPPASTTemplateParameter [] params = getTemplateParameters();
for ( int i = 0; i < params.length; i++ ) {
if( !params[i].accept( action ) ) return false;
}
if( declaration != null ) if( !declaration.accept( action ) ) return false;
if( action.shouldVisitDeclarations ){
switch( action.leave( this ) ){
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
return true;
}
public ICPPTemplateScope getScope() {
if( templateScope == null )
templateScope = new CPPTemplateScope( this );
return templateScope;
}
public void replace(IASTNode child, IASTNode other) {
if( declaration == child )
{
other.setParent( child.getParent() );
other.setPropertyInParent( child.getPropertyInParent() );
declaration = (IASTDeclaration) other;
}
}
public short getNestingLevel() {
if (nestingLevel == -1) {
CPPTemplates.associateTemplateDeclarations(this);
}
assert nestingLevel != -1;
return nestingLevel;
}
public boolean isAssociatedWithLastName() {
if (isAssociatedWithLastName == -1)
CPPTemplates.associateTemplateDeclarations(this);
assert isAssociatedWithLastName != -1;
return isAssociatedWithLastName != 0;
}
public void setAssociatedWithLastName(boolean value) {
isAssociatedWithLastName= value ? (byte) 1 : (byte) 0;
}
public void setNestingLevel(short level) {
assert level >= 0;
nestingLevel= level;
}
}
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