1/*
2 * Copyright (c) 2010, 2013, 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package jdk.nashorn.internal.codegen.types;
27
28import jdk.internal.org.objectweb.asm.MethodVisitor;
29
30/**
31 * Array operations, not supported by all ops
32 */
33interface BytecodeArrayOps {
34
35    /**
36     * Load an array element given that the array and its index are already on
37     * the stack
38     *
39     * @param method method visitor
40     * @return the array element type
41     *
42     */
43    Type aload(MethodVisitor method);
44
45    /**
46     * Store an array element given that the array and its index and the element
47     * are on the stack
48     *
49     * @param method method visitor
50     */
51    void astore(MethodVisitor method);
52
53    /**
54     * Generate an array length operation
55     *
56     * @param method method method visitor
57     * @return length of the array
58     */
59    Type arraylength(MethodVisitor method);
60
61    /**
62     * Create a new array of this array type and length on stack
63     *
64     * @param method method visitor
65     * @return the type of the array
66     */
67    Type newarray(MethodVisitor method);
68
69    /**
70     * Create a new multi array of this array type and allocate the number of
71     * dimensions given
72     *
73     * @param method method visitor
74     * @param dims   number of dimensions
75     * @return the type of the new array
76     */
77    Type newarray(MethodVisitor method, int dims);
78}
79