org.apache.tomcat.util.bcel.Const Maven / Gradle / Ivy
/*
* 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
* Flag definitions for Fields in the Java Virtual Machine Specification (Java SE 8 Edition).
* @see
* Flag definitions for Methods in the Java Virtual Machine Specification (Java SE 8 Edition).
* @see
* Flag definitions for Classes in the Java Virtual Machine Specification (Java SE 8 Edition).
*/
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
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Utf8 = 1;
/**
* Marks a constant pool entry as type Integer.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Integer = 3;
/**
* Marks a constant pool entry as type Float.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Float = 4;
/**
* Marks a constant pool entry as type Long.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Long = 5;
/**
* Marks a constant pool entry as type Double.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Double = 6;
/**
* Marks a constant pool entry as a Class
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Class = 7;
/**
* Marks a constant pool entry as type String
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_String = 8;
/**
* Marks a constant pool entry as a Field Reference.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Fieldref = 9;
/**
* Marks a constant pool entry as a Method Reference.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_Methodref = 10;
/**
* Marks a constant pool entry as an Interface Method Reference.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_InterfaceMethodref = 11;
/**
* Marks a constant pool entry as a name and type.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_NameAndType = 12;
/**
* Marks a constant pool entry as a Method Handle.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_MethodHandle = 15;
/**
* Marks a constant pool entry as a Method Type.
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
public static final byte CONSTANT_MethodType = 16;
/**
* Marks a constant pool entry as dynamically computed.
* @see
* Change request for JEP 309
*/
public static final byte CONSTANT_Dynamic = 17;
/**
* Marks a constant pool entry as an Invoke Dynamic
* @see
* The Constant Pool in The Java Virtual Machine Specification
*/
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
* JPMS: Modules in the Java Language and JVM
*/
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
* JPMS: Modules in the Java Language and JVM
*/
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_Dynamic", "CONSTANT_InvokeDynamic",
"CONSTANT_Module", "CONSTANT_Package"};
public static String getConstantName(int index) {
return CONSTANT_NAMES[index];
}
}