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/*
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Lenz
* Google Inc.
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package com.google.javascript.rhino.jstype;
/**
* A type relationship visitor.
*
* This code will calculate a specific value of type {@code T} from
* two types based on its structure.
*
* @author [email protected] (John Lenz)
*/
interface RelationshipVisitor {
/**
* Unknown type's case.
*/
T caseUnknownType(JSType thisType, JSType thatType);
/**
* Bottom type's case.
*/
T caseNoType(JSType thatType);
/**
* Bottom Object type's case.
*/
T caseNoObjectType(JSType thatType);
/**
* All type's case.
*/
T caseAllType(JSType thatType);
/**
* Value type's case.
*/
T caseValueType(ValueType thisType, JSType thatType);
/**
* Object type's case.
*/
T caseObjectType(ObjectType thisType, JSType thatType);
/**
* Function type's case.
*/
T caseFunctionType(FunctionType thisType, JSType thatType);
/**
* Union type's case.
*/
T caseUnionType(UnionType thisType, JSType thatType);
/**
* Templatized type's case.
*/
T caseTemplatizedType(TemplatizedType thisType, JSType thatType);
/**
* Template type's case.
*/
T caseTemplateType(TemplateType thisType, JSType thatType);
/**
* Enum element type's case.
*/
T caseEnumElementType(EnumElementType typeType, JSType thatType);
}