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/*******************************************************************************
* Copyright (c) 2004, 2009 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:
* Doug Schaefer (IBM) - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.core.dom.ast.cpp;
/**
* Base interface for all template parameters (non-type, type and template).
*
* @noextend This interface is not intended to be extended by clients.
* @noimplement This interface is not intended to be implemented by clients.
*/
public interface ICPPTemplateParameter extends ICPPBinding {
public static final ICPPTemplateParameter[] EMPTY_TEMPLATE_PARAMETER_ARRAY = new ICPPTemplateParameter[0];
/**
* Returns the zero-based position of this parameter within the template parameter list it belongs to.
* @since 5.1
*/
short getParameterPosition();
/**
* Returns the nesting-level of the template declaration this parameter belongs to.
* <p>
* The nesting level is determined by counting enclosing template declarations,
* for example:
* <pre>
* namespace ns {
* template<typename T> class X { // nesting level 0
* template<typename U> class Y1 { // nesting level 1
* };
* class Y2 {
* template typename<V> class Z { // nesting level 1
* void m();
* };
* };
* };
* }
* template<typename T> // nesting level 0
* template <typename V> // nesting level 1
* void ns::X<T>::Y2::Z<V>::m() {}
* </pre>
* @since 5.1
*/
short getTemplateNestingLevel();
/**
* Returns {@code (getTemplateNestingLevel() << 16) + getParameterPosition()}.
* @since 5.1
*/
int getParameterID();
/**
* Returns the default value for this template parameter, or <code>null</code>.
* @since 5.1
*/
ICPPTemplateArgument getDefaultValue();
}
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