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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 Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IField;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTParameterDeclaration;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTSimpleTypeTemplateParameter;
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.ICPPBase;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplatePartialSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPField;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTemplateParameter;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.core.parser.util.ObjectMap;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
/**
* @author aniefer
*/
public class CPPTemplateTemplateParameter extends CPPTemplateParameter implements
ICPPTemplateTemplateParameter, ICPPClassType, ICPPInternalTemplate, ICPPInternalUnknown {
private ICPPTemplateParameter[] templateParameters = null;
private ObjectMap instances = null;
private ICPPScope unknownScope = null;
/**
* @param name
*/
public CPPTemplateTemplateParameter(IASTName name) {
super(name);
}
public ICPPScope getUnknownScope() {
if (unknownScope == null) {
IASTName n = null;
IASTNode[] nodes = getDeclarations();
if (nodes != null && nodes.length > 0)
n = (IASTName) nodes[0];
unknownScope = new CPPUnknownScope(this, n);
}
return unknownScope;
}
public ICPPTemplateParameter[] getTemplateParameters() {
if (templateParameters == null) {
ICPPASTTemplatedTypeTemplateParameter template = (ICPPASTTemplatedTypeTemplateParameter) getPrimaryDeclaration().getParent();
ICPPASTTemplateParameter[] params = template.getTemplateParameters();
ICPPTemplateParameter p = null;
ICPPTemplateParameter[] result = null;
for (int i = 0; i < params.length; i++) {
if (params[i] instanceof ICPPASTSimpleTypeTemplateParameter) {
p = (ICPPTemplateParameter) ((ICPPASTSimpleTypeTemplateParameter)params[i]).getName().resolveBinding();
} else if (params[i] instanceof ICPPASTParameterDeclaration) {
p = (ICPPTemplateParameter) ((ICPPASTParameterDeclaration)params[i]).getDeclarator().getName().resolveBinding();
} else if (params[i] instanceof ICPPASTTemplatedTypeTemplateParameter) {
p = (ICPPTemplateParameter) ((ICPPASTTemplatedTypeTemplateParameter)params[i]).getName().resolveBinding();
}
if (p != null) {
result = (ICPPTemplateParameter[]) ArrayUtil.append(ICPPTemplateParameter.class, result, p);
}
}
templateParameters = (ICPPTemplateParameter[]) ArrayUtil.trim(ICPPTemplateParameter.class, result);
}
return templateParameters;
}
public IBinding resolveTemplateParameter(ICPPASTTemplateParameter templateParameter) {
IASTName name = CPPTemplates.getTemplateParameterName(templateParameter);
IBinding binding = name.getBinding();
if (binding == null) {
//create a new binding and set it for the corresponding parameter in all known decls
if (templateParameter instanceof ICPPASTSimpleTypeTemplateParameter)
binding = new CPPTemplateTypeParameter(name);
else if (templateParameter instanceof ICPPASTParameterDeclaration)
binding = new CPPTemplateNonTypeParameter(name);
else
binding = new CPPTemplateTemplateParameter(name);
name.setBinding(binding);
}
return binding;
}
public ICPPClassTemplatePartialSpecialization[] getTemplateSpecializations() throws DOMException {
return ICPPClassTemplatePartialSpecialization.EMPTY_PARTIAL_SPECIALIZATION_ARRAY;
}
public IType getDefault() throws DOMException {
return null;
}
public ICPPBase[] getBases() {
return ICPPBase.EMPTY_BASE_ARRAY;
}
public IField[] getFields() throws DOMException {
return null;
}
public IField findField(String name) throws DOMException {
return null;
}
public ICPPField[] getDeclaredFields() throws DOMException {
return null;
}
public ICPPMethod[] getMethods() throws DOMException {
return null;
}
public ICPPMethod[] getAllDeclaredMethods() throws DOMException {
return null;
}
public ICPPMethod[] getDeclaredMethods() throws DOMException {
return null;
}
public ICPPConstructor[] getConstructors() {
return ICPPConstructor.EMPTY_CONSTRUCTOR_ARRAY;
}
public IBinding[] getFriends() throws DOMException {
return null;
}
public int getKey() throws DOMException {
return 0;
}
public IScope getCompositeScope() throws DOMException {
return null;
}
@Override
public void addDefinition(IASTNode node) {
}
@Override
public void addDeclaration(IASTNode node) {
}
public boolean isSameType(IType type) {
if (type == this)
return true;
if (type instanceof ITypedef)
return ((ITypedef)type).isSameType(this);
return false;
}
public ICPPClassTemplatePartialSpecialization[] getPartialSpecializations() throws DOMException {
return ICPPClassTemplatePartialSpecialization.EMPTY_PARTIAL_SPECIALIZATION_ARRAY;
}
public IBinding instantiate(IType[] arguments) {
return deferredInstance(null, arguments);
}
public ICPPSpecialization deferredInstance(ObjectMap argMap, IType[] arguments) {
ICPPSpecialization instance = getInstance(arguments);
if (instance == null) {
instance = new CPPDeferredClassInstance(this, argMap, arguments);
addSpecialization(arguments, instance);
}
return instance;
}
public ICPPSpecialization getInstance(IType[] arguments) {
if (instances == null)
return null;
int found = -1;
for (int i = 0; i < instances.size(); i++) {
IType[] args = (IType[]) instances.keyAt(i);
if (args.length == arguments.length) {
int j = 0;
for (; j < args.length; j++) {
if (!(args[j].isSameType(arguments[j])))
break;
}
if (j == args.length) {
found = i;
break;
}
}
}
if (found != -1) {
return (ICPPSpecialization) instances.getAt(found);
}
return null;
}
public void addSpecialization(IType[] types, ICPPSpecialization spec) {
if (instances == null)
instances = new ObjectMap(2);
instances.put(types, spec);
}
public IBinding resolveUnknown(ObjectMap argMap) {
return null;
}
public ICPPClassType[] getNestedClasses() {
return ICPPClassType.EMPTY_CLASS_ARRAY;
}
}
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