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/*******************************************************************************
* Copyright (c) 2013, 2015 Nathan Ridge.
*
* 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:
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.DOMException;
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.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.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.ICPPTemplateTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPUsingDeclaration;
/**
* A specialization of a template template parameter. This is needed when a nested template
* has a template template parameter whose default value is dependent on a template
* parameter of an enclosing template.
*
* This class can represent a specialization of either an AST or a PDOM template parameter.
*/
public class CPPTemplateTemplateParameterSpecialization extends CPPTemplateParameterSpecialization
implements ICPPTemplateTemplateParameter {
// The scope of the type named by the parameter specialization.
// Not to be confused with CPPTemplateParameterSpecialization.fScope,
// which is the enclosing scope in which the parameter specialization lives.
private ICPPScope fScope;
public CPPTemplateTemplateParameterSpecialization(ICPPSpecialization owner, ICPPScope scope,
ICPPTemplateTemplateParameter specialized, ICPPTemplateArgument defaultValue) {
super(owner, scope, specialized, defaultValue);
}
@Override
public ICPPTemplateTemplateParameter getSpecializedBinding() {
return (ICPPTemplateTemplateParameter) super.getSpecializedBinding();
}
@Override
public ICPPClassTemplatePartialSpecialization[] getPartialSpecializations() {
return ICPPClassTemplatePartialSpecialization.EMPTY_ARRAY;
}
@Override
public ICPPTemplateInstance asDeferredInstance() {
return null;
}
@Override
public ICPPBase[] getBases() {
return ICPPBase.EMPTY_BASE_ARRAY;
}
@Override
public IField[] getFields() {
return IField.EMPTY_FIELD_ARRAY;
}
@Override
public IField findField(String name) {
return null;
}
@Override
public ICPPField[] getDeclaredFields() {
return ICPPField.EMPTY_CPPFIELD_ARRAY;
}
@Override
public ICPPMethod[] getMethods() {
return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
}
@Override
public ICPPMethod[] getAllDeclaredMethods() {
return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
}
@Override
public ICPPMethod[] getDeclaredMethods() {
return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
}
@Override
public ICPPConstructor[] getConstructors() {
return ICPPConstructor.EMPTY_CONSTRUCTOR_ARRAY;
}
@Override
public IBinding[] getFriends() {
return IBinding.EMPTY_BINDING_ARRAY;
}
@Override
public ICPPClassType[] getNestedClasses() {
return ICPPClassType.EMPTY_CLASS_ARRAY;
}
@Override
public ICPPUsingDeclaration[] getUsingDeclarations() {
return ICPPUsingDeclaration.EMPTY_USING_DECL_ARRAY;
}
@Override
public boolean isFinal() {
return false;
}
@Override
public int getVisibility(IBinding member) {
return getSpecializedBinding().getVisibility(member);
}
@Override
public int getKey() {
return 0;
}
@Override
public boolean isAnonymous() {
return false;
}
@Override
public IScope getCompositeScope() {
return null;
}
@Override
public ICPPTemplateParameter[] getTemplateParameters() {
return getSpecializedBinding().getTemplateParameters();
}
@Override
public IType getDefault() throws DOMException {
return getDefaultValue().getTypeValue();
}
@Override
public boolean isSameType(IType type) {
if (type == this)
return true;
if (type instanceof ITypedef)
return type.isSameType(this);
if (!(type instanceof ICPPTemplateTemplateParameter))
return false;
return getParameterID() == ((ICPPTemplateParameter) type).getParameterID();
}
@Override
public Object clone() {
Object o = null;
try {
o = super.clone();
} catch (CloneNotSupportedException e) {
//not going to happen
}
return o;
}
@Override
public ICPPScope asScope() throws DOMException {
if (fScope == null) {
return new CPPUnknownTypeScope(this, new CPPASTName(getNameCharArray()));
}
return fScope;
}
}
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