1/*
2 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.api.replacements;
24
25import java.lang.annotation.ElementType;
26import java.lang.annotation.Retention;
27import java.lang.annotation.RetentionPolicy;
28import java.lang.annotation.Target;
29
30/**
31 * Annotates a method replaced by a compile-time constant. A (resolved) call to the annotated method
32 * is replaced with a constant obtained by calling the annotated method via reflection.
33 *
34 * All arguments to such a method (including the receiver if applicable) must be compile-time
35 * constants.
36 */
37@Retention(RetentionPolicy.RUNTIME)
38@Target(ElementType.METHOD)
39public @interface Fold {
40
41    /**
42     * Annotates a parameter to an {@link Fold}-annotated method. This parameter will be
43     * automatically injected by the compiler. The caller should always pass {@code null}.
44     */
45    @Retention(RetentionPolicy.RUNTIME)
46    @Target(ElementType.PARAMETER)
47    public @interface InjectedParameter {
48    }
49}
50