/*
 * Copyright (c) 2011, 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.
 *
 * 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 org.graalvm.compiler.api.replacements;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

A snippet is a Graal graph expressed as a Java source method. Snippets are used for lowering nodes that have runtime dependent semantics (e.g. the CHECKCAST bytecode). /**
 * A snippet is a Graal graph expressed as a Java source method. Snippets are used for lowering
 * nodes that have runtime dependent semantics (e.g. the {@code CHECKCAST} bytecode).
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Snippet {

    
Denotes a snippet parameter representing 0 or more arguments that will be bound during
snippet template instantiation. During snippet template creation, its value must be an array
whose length specifies the number of arguments (the contents of the array are ignored) bound
to the parameter during instantiation.
/**
     * Denotes a snippet parameter representing 0 or more arguments that will be bound during
     * snippet template instantiation. During snippet template creation, its value must be an array
     * whose length specifies the number of arguments (the contents of the array are ignored) bound
     * to the parameter during instantiation.
     */
    @Retention(RetentionPolicy.RUNTIME)
    @Target(ElementType.PARAMETER)
    public @interface VarargsParameter {
    }

    
Denotes a snippet parameter that will bound to a constant value during snippet template
instantiation.
/**
     * Denotes a snippet parameter that will bound to a constant value during snippet template
     * instantiation.
     */
    @Retention(RetentionPolicy.RUNTIME)
    @Target(ElementType.PARAMETER)
    public @interface ConstantParameter {
    }
}