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/*******************************************************************************
* Copyright (c) 2004, 2013 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.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTName;
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.ICPPASTTemplatedTypeTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
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;
/**
* Template template parameter
*/
public class CPPASTTemplatedTypeTemplateParameter extends ASTNode implements
ICPPASTTemplatedTypeTemplateParameter, IASTAmbiguityParent {
private ICPPASTTemplateParameter [] fNestedParameters = null;
private boolean fIsParameterPack;
private boolean fUsesKeywordClass;
private IASTName fName;
private IASTExpression fDefaultValue;
private CPPTemplateTemplateParameterScope fScope;
public CPPASTTemplatedTypeTemplateParameter() {
}
public CPPASTTemplatedTypeTemplateParameter(IASTName name, IASTExpression defaultValue) {
this(tt_class, name, defaultValue);
}
public CPPASTTemplatedTypeTemplateParameter(int type, IASTName name, IASTExpression defaultValue) {
fUsesKeywordClass = type == tt_class;
setName(name);
setDefaultValue(defaultValue);
}
@Override
public CPPASTTemplatedTypeTemplateParameter copy() {
return copy(CopyStyle.withoutLocations);
}
@Override
public CPPASTTemplatedTypeTemplateParameter copy(CopyStyle style) {
CPPASTTemplatedTypeTemplateParameter copy = new CPPASTTemplatedTypeTemplateParameter();
copy.setName(fName == null ? null : fName.copy(style));
copy.setDefaultValue(fDefaultValue == null ? null : fDefaultValue.copy(style));
copy.fUsesKeywordClass = fUsesKeywordClass;
copy.fIsParameterPack = fIsParameterPack;
for (ICPPASTTemplateParameter param : getTemplateParameters())
copy.addTemplateParameter(param == null ? null : param.copy(style));
return copy(copy, style);
}
@Override
public ICPPASTTemplateParameter[] getTemplateParameters() {
if (fNestedParameters == null)
return ICPPASTTemplateParameter.EMPTY_TEMPLATEPARAMETER_ARRAY;
fNestedParameters = ArrayUtil.trim(ICPPASTTemplateParameter.class, fNestedParameters);
return fNestedParameters;
}
@Override
@Deprecated
public void addTemplateParamter(ICPPASTTemplateParameter param) {
addTemplateParameter(param);
}
@Override
public void addTemplateParameter(ICPPASTTemplateParameter param) {
assertNotFrozen();
if (param != null) {
fNestedParameters = ArrayUtil.append(ICPPASTTemplateParameter.class,
fNestedParameters, param);
param.setParent(this);
param.setPropertyInParent(PARAMETER);
}
}
@Override
public void setIsParameterPack(boolean val) {
assertNotFrozen();
fIsParameterPack= val;
}
@Override
public boolean isParameterPack() {
return fIsParameterPack;
}
@Override
public int getParameterType() {
return fUsesKeywordClass ? tt_class : tt_typename;
}
@Override
public void setParameterType(int type) {
assertNotFrozen();
fUsesKeywordClass = type == tt_class;
}
@Override
public IASTName getName() {
return fName;
}
@Override
public void setName(IASTName name) {
assertNotFrozen();
this.fName =name;
if (name != null) {
name.setParent(this);
name.setPropertyInParent(PARAMETER_NAME);
}
}
@Override
public IASTExpression getDefaultValue() {
return fDefaultValue;
}
@Override
public void setDefaultValue(IASTExpression expression) {
assertNotFrozen();
this.fDefaultValue = expression;
if (expression != null) {
expression.setParent(this);
expression.setPropertyInParent(DEFAULT_VALUE);
}
}
@Override
public boolean accept(ASTVisitor action) {
if (action.shouldVisitTemplateParameters) {
switch (action.visit(this)) {
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
ICPPASTTemplateParameter [] ps = getTemplateParameters();
for (int i = 0; i < ps.length; i++) {
if (!ps[i].accept(action))
return false;
}
if (fName != null && !fName.accept(action))
return false;
if (fDefaultValue != null && !fDefaultValue.accept(action))
return false;
if (action.shouldVisitTemplateParameters && action.leave(this) == ASTVisitor.PROCESS_ABORT)
return false;
return true;
}
@Override
public int getRoleForName(IASTName n) {
if (n == fName)
return r_declaration;
return r_unclear;
}
@Override
public void replace(IASTNode child, IASTNode other) {
if (child == fDefaultValue)
{
other.setPropertyInParent(child.getPropertyInParent());
other.setParent(child.getParent());
fDefaultValue = (IASTExpression) other;
}
}
@Override
public ICPPScope asScope() {
if (fScope == null) {
fScope= new CPPTemplateTemplateParameterScope(this);
}
return fScope;
}
}
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