| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.tomcat.util.bcel; |
| |
| /** |
| * Constants for the project, mostly defined in the JVM specification. |
| */ |
| public final class Const { |
| |
| /** One of the access flags for fields, methods, or classes. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.5"> |
| * Flag definitions for Fields in the Java Virtual Machine Specification (Java SE 8 Edition).</a> |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.6"> |
| * Flag definitions for Methods in the Java Virtual Machine Specification (Java SE 8 Edition).</a> |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.6-300-D.1-D.1"> |
| * Flag definitions for Classes in the Java Virtual Machine Specification (Java SE 8 Edition).</a> |
| */ |
| public static final short ACC_FINAL = 0x0010; |
| |
| /** One of the access flags for fields, methods, or classes. |
| */ |
| public static final short ACC_INTERFACE = 0x0200; |
| |
| /** One of the access flags for fields, methods, or classes. |
| */ |
| public static final short ACC_ABSTRACT = 0x0400; |
| |
| /** One of the access flags for fields, methods, or classes. |
| */ |
| public static final short ACC_ANNOTATION = 0x2000; |
| |
| /** Marks a constant pool entry as type UTF-8. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.7"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Utf8 = 1; |
| |
| /** Marks a constant pool entry as type Integer. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.4"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Integer = 3; |
| |
| /** Marks a constant pool entry as type Float. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.4"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Float = 4; |
| |
| /** Marks a constant pool entry as type Long. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.5"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Long = 5; |
| |
| /** Marks a constant pool entry as type Double. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.5"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Double = 6; |
| |
| /** Marks a constant pool entry as a Class |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.1"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Class = 7; |
| |
| /** Marks a constant pool entry as a Field Reference. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.2"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Fieldref = 9; |
| |
| /** Marks a constant pool entry as type String |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.3"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_String = 8; |
| |
| /** Marks a constant pool entry as a Method Reference. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.2"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_Methodref = 10; |
| |
| /** Marks a constant pool entry as an Interface Method Reference. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.2"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_InterfaceMethodref = 11; |
| |
| /** Marks a constant pool entry as a name and type. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.6"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_NameAndType = 12; |
| |
| /** Marks a constant pool entry as a Method Handle. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.8"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_MethodHandle = 15; |
| |
| /** Marks a constant pool entry as a Method Type. |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.9"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_MethodType = 16; |
| |
| /** Marks a constant pool entry as an Invoke Dynamic |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.10"> |
| * The Constant Pool in The Java Virtual Machine Specification</a> */ |
| public static final byte CONSTANT_InvokeDynamic = 18; |
| |
| /** Marks a constant pool entry as a Module Reference. |
| * Note: Early access Java 9 support- currently subject to change. |
| * @see <a href="http://cr.openjdk.java.net/~mr/jigsaw/spec/lang-vm.html#jigsaw-2.6"> |
| * JPMS: Modules in the Java Language and JVM</a> */ |
| public static final byte CONSTANT_Module = 19; |
| |
| /** Marks a constant pool entry as a Package Reference. |
| * Note: Early access Java 9 support- currently subject to change. |
| * @see <a href="http://cr.openjdk.java.net/~mr/jigsaw/spec/lang-vm.html#jigsaw-2.6"> |
| * JPMS: Modules in the Java Language and JVM</a> */ |
| public static final byte CONSTANT_Package = 20; |
| |
| /** |
| * The names of the types of entries in a constant pool. |
| * Use getConstantName instead |
| */ |
| private static final String[] CONSTANT_NAMES = { |
| "", "CONSTANT_Utf8", "", "CONSTANT_Integer", |
| "CONSTANT_Float", "CONSTANT_Long", "CONSTANT_Double", |
| "CONSTANT_Class", "CONSTANT_String", "CONSTANT_Fieldref", |
| "CONSTANT_Methodref", "CONSTANT_InterfaceMethodref", |
| "CONSTANT_NameAndType", "", "", "CONSTANT_MethodHandle", |
| "CONSTANT_MethodType", "", "CONSTANT_InvokeDynamic", |
| "CONSTANT_Module", "CONSTANT_Package"}; |
| |
| public static String getConstantName(int index) { |
| return CONSTANT_NAMES[index]; |
| } |
| } |
