Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/classfile/BootstrapMethods_attribute.java
src/share/classes/com/sun/tools/classfile/BootstrapMethods_attribute.java
- changeset 826
- 5cf6c432ef2f
- child 972
- 694ff82ca68e
equal
deleted
inserted
replaced
| 825:19f9b6548c70 | 826:5cf6c432ef2f |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2011, 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 | |
| 26 package com.sun.tools.classfile; | |
| 27 | |
| 28 import java.io.IOException; | |
| 29 | |
| 30 /** | |
| 31 * See JVMS3 <TBD> | |
| 32 * http://cr.openjdk.java.net/~jrose/pres/indy-javadoc-mlvm/ | |
| 33 * | |
| 34 * <p><b>This is NOT part of any supported API. | |
| 35 * If you write code that depends on this, you do so at your own risk. | |
| 36 * This code and its internal interfaces are subject to change or | |
| 37 * deletion without notice.</b> | |
| 38 */ | |
| 39 public class BootstrapMethods_attribute extends Attribute { | |
| 40 public final BootstrapMethodSpecifier[] bootstrap_method_specifiers; | |
| 41 | |
| 42 BootstrapMethods_attribute(ClassReader cr, int name_index, int length) | |
| 43 throws IOException, AttributeException { | |
| 44 super(name_index, length); | |
| 45 int bootstrap_method_count = cr.readUnsignedShort(); | |
| 46 bootstrap_method_specifiers = new BootstrapMethodSpecifier[bootstrap_method_count]; | |
| 47 for (int i = 0; i < bootstrap_method_specifiers.length; i++) | |
| 48 bootstrap_method_specifiers[i] = new BootstrapMethodSpecifier(cr); | |
| 49 } | |
| 50 | |
| 51 public BootstrapMethods_attribute(int name_index, BootstrapMethodSpecifier[] bootstrap_method_specifiers) { | |
| 52 super(name_index, length(bootstrap_method_specifiers)); | |
| 53 this.bootstrap_method_specifiers = bootstrap_method_specifiers; | |
| 54 } | |
| 55 | |
| 56 public static int length(BootstrapMethodSpecifier[] bootstrap_method_specifiers) { | |
| 57 int n = 2; | |
| 58 for (BootstrapMethodSpecifier b : bootstrap_method_specifiers) | |
| 59 n += b.length(); | |
| 60 return n; | |
| 61 } | |
| 62 | |
| 63 @Override | |
| 64 public <R, P> R accept(Visitor<R, P> visitor, P p) { | |
| 65 return visitor.visitBootstrapMethods(this, p); | |
| 66 } | |
| 67 | |
| 68 public static class BootstrapMethodSpecifier { | |
| 69 public int bootstrap_method_ref; | |
| 70 public int[] bootstrap_arguments; | |
| 71 | |
| 72 public BootstrapMethodSpecifier(int bootstrap_method_ref, int[] bootstrap_arguments) { | |
| 73 this.bootstrap_method_ref = bootstrap_method_ref; | |
| 74 this.bootstrap_arguments = bootstrap_arguments; | |
| 75 } | |
| 76 BootstrapMethodSpecifier(ClassReader cr) throws IOException { | |
| 77 bootstrap_method_ref = cr.readUnsignedShort(); | |
| 78 int method_count = cr.readUnsignedShort(); | |
| 79 bootstrap_arguments = new int[method_count]; | |
| 80 for (int i = 0; i < bootstrap_arguments.length; i++) { | |
| 81 bootstrap_arguments[i] = cr.readUnsignedShort(); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 int length() { | |
| 86 // u2 (method_ref) + u2 (argc) + u2 * argc | |
| 87 return 2 + 2 + (bootstrap_arguments.length * 2); | |
| 88 } | |
| 89 } | |
| 90 } |
