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/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.ir;
/**
* Interface used by AccessNodes, IndexNodes and IdentNodes to signal that when evaluated, their value will be treated
* as a function and immediately invoked, e.g. {@code foo()}, {@code foo.bar()} or {@code foo[bar]()}. Used to customize
* the priority of composite dynamic operations when emitting {@code INVOKEDYNAMIC} instructions that implement them,
* namely prioritize {@code getMethod} over {@code getElem} or {@code getProp}. An access or ident node with isFunction
* set to true will be emitted as {@code dyn:getMethod|getProp|getElem} while one with it set to false will be emitted
* as {@code dyn:getProp|getElem|getMethod}. Similarly, an index node with isFunction set to true will be emitted as
* {@code dyn:getMethod|getElem|getProp} while the one set to false will be emitted as {@code dyn:getElem|getProp|getMethod}.
*/
public interface FunctionCall {
/**
* Returns true if the value of this expression will be treated as a function and immediately invoked.
* @return true if the value of this expression will be treated as a function and immediately invoked.
*/
public boolean isFunction();
}
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