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