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/*******************************************************************************
* Copyright (c) 2005, 2013 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Andrew Niefer (IBM) - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import java.util.Objects;
import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionTemplate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.core.parser.util.ObjectMap;
/**
* The specialization of a friend function template in the context of a class specialization.
*/
public class CPPFunctionTemplateSpecialization extends CPPFunctionSpecialization
implements ICPPFunctionTemplate, ICPPInternalTemplate {
private ObjectMap instances;
public CPPFunctionTemplateSpecialization(ICPPFunction original, IBinding owner,
ICPPTemplateParameterMap argumentMap, ICPPFunctionType type, IType[] exceptionSpecs) {
super(original, owner, argumentMap, type, exceptionSpecs);
}
@Override
public ICPPTemplateParameter[] getTemplateParameters() {
ICPPFunctionTemplate template = (ICPPFunctionTemplate) getSpecializedBinding();
return template.getTemplateParameters();
}
@Override
public synchronized final void addInstance(ICPPTemplateArgument[] arguments, ICPPTemplateInstance instance) {
if (instances == null)
instances = new ObjectMap(2);
String key= ASTTypeUtil.getArgumentListString(arguments, true);
instances.put(key, instance);
}
@Override
public synchronized final ICPPTemplateInstance getInstance(ICPPTemplateArgument[] arguments) {
if (instances != null) {
String key= ASTTypeUtil.getArgumentListString(arguments, true);
return (ICPPTemplateInstance) instances.get(key);
}
return null;
}
@Override
public synchronized ICPPTemplateInstance[] getAllInstances() {
if (instances != null) {
ICPPTemplateInstance[] result= new ICPPTemplateInstance[instances.size()];
for (int i= 0; i < instances.size(); i++) {
result[i]= (ICPPTemplateInstance) instances.getAt(i);
}
return result;
}
return ICPPTemplateInstance.EMPTY_TEMPLATE_INSTANCE_ARRAY;
}
@Override
public IBinding resolveTemplateParameter(ICPPTemplateParameter param) {
return param;
}
@Override
public boolean equals(Object obj) {
if (obj == this)
return true;
if (obj == null || !getClass().equals(obj.getClass()))
return false;
CPPFunctionTemplateSpecialization other = (CPPFunctionTemplateSpecialization) obj;
return Objects.equals(getSpecializedBinding(), other.getSpecializedBinding())
&& Objects.equals(getOwner(), other.getOwner())
&& Objects.equals(getTemplateParameterMap(), other.getTemplateParameterMap());
}
@Override
public int hashCode() {
return Objects.hash(getSpecializedBinding(), getOwner(), getTemplateParameterMap());
}
}
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