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jeremybenn |
/***
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* ASM: a very small and fast Java bytecode manipulation framework
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* Copyright (c) 2000-2005 INRIA, France Telecom
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.objectweb.asm;
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/**
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* A {@link ClassVisitor} that generates classes in bytecode form. More
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* precisely this visitor generates a byte array conforming to the Java class
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* file format. It can be used alone, to generate a Java class "from scratch",
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* or with one or more {@link ClassReader ClassReader} and adapter class visitor
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* to generate a modified class from one or more existing Java classes.
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*
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* @author Eric Bruneton
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*/
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public class ClassWriter implements ClassVisitor {
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/**
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* The type of instructions without any argument.
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*/
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final static int NOARG_INSN = 0;
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/**
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* The type of instructions with an signed byte argument.
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*/
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final static int SBYTE_INSN = 1;
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/**
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* The type of instructions with an signed short argument.
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*/
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final static int SHORT_INSN = 2;
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/**
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* The type of instructions with a local variable index argument.
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*/
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final static int VAR_INSN = 3;
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/**
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* The type of instructions with an implicit local variable index argument.
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*/
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final static int IMPLVAR_INSN = 4;
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/**
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* The type of instructions with a type descriptor argument.
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*/
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final static int TYPE_INSN = 5;
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/**
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* The type of field and method invocations instructions.
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*/
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final static int FIELDORMETH_INSN = 6;
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/**
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* The type of the INVOKEINTERFACE instruction.
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*/
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final static int ITFMETH_INSN = 7;
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/**
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* The type of instructions with a 2 bytes bytecode offset label.
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*/
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final static int LABEL_INSN = 8;
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/**
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* The type of instructions with a 4 bytes bytecode offset label.
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*/
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final static int LABELW_INSN = 9;
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/**
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* The type of the LDC instruction.
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*/
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final static int LDC_INSN = 10;
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/**
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* The type of the LDC_W and LDC2_W instructions.
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*/
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final static int LDCW_INSN = 11;
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/**
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* The type of the IINC instruction.
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*/
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final static int IINC_INSN = 12;
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/**
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* The type of the TABLESWITCH instruction.
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*/
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final static int TABL_INSN = 13;
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/**
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* The type of the LOOKUPSWITCH instruction.
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*/
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final static int LOOK_INSN = 14;
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/**
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* The type of the MULTIANEWARRAY instruction.
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*/
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final static int MANA_INSN = 15;
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/**
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* The type of the WIDE instruction.
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*/
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final static int WIDE_INSN = 16;
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/**
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* The instruction types of all JVM opcodes.
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*/
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static byte[] TYPE;
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/**
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* The type of CONSTANT_Class constant pool items.
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*/
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final static int CLASS = 7;
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/**
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* The type of CONSTANT_Fieldref constant pool items.
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*/
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final static int FIELD = 9;
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/**
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* The type of CONSTANT_Methodref constant pool items.
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*/
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final static int METH = 10;
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/**
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* The type of CONSTANT_InterfaceMethodref constant pool items.
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*/
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final static int IMETH = 11;
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/**
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* The type of CONSTANT_String constant pool items.
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*/
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final static int STR = 8;
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/**
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* The type of CONSTANT_Integer constant pool items.
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*/
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final static int INT = 3;
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/**
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* The type of CONSTANT_Float constant pool items.
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*/
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final static int FLOAT = 4;
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/**
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* The type of CONSTANT_Long constant pool items.
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*/
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final static int LONG = 5;
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/**
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* The type of CONSTANT_Double constant pool items.
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*/
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final static int DOUBLE = 6;
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/**
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* The type of CONSTANT_NameAndType constant pool items.
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*/
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final static int NAME_TYPE = 12;
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/**
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* The type of CONSTANT_Utf8 constant pool items.
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*/
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final static int UTF8 = 1;
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/**
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* The class reader from which this class writer was constructed, if any.
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*/
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ClassReader cr;
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/**
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* Minor and major version numbers of the class to be generated.
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*/
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int version;
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/**
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* Index of the next item to be added in the constant pool.
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*/
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int index;
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/**
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* The constant pool of this class.
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*/
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ByteVector pool;
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/**
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* The constant pool's hash table data.
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*/
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Item[] items;
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/**
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* The threshold of the constant pool's hash table.
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*/
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int threshold;
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/**
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* A reusable key used to look for items in the hash {@link #items items}.
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*/
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Item key;
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/**
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* A reusable key used to look for items in the hash {@link #items items}.
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*/
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Item key2;
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/**
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* A reusable key used to look for items in the hash {@link #items items}.
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*/
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Item key3;
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/**
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* The access flags of this class.
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*/
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private int access;
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/**
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* The constant pool item that contains the internal name of this class.
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*/
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private int name;
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/**
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* The constant pool item that contains the signature of this class.
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*/
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private int signature;
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/**
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* The constant pool item that contains the internal name of the super class
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* of this class.
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*/
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private int superName;
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/**
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* Number of interfaces implemented or extended by this class or interface.
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*/
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private int interfaceCount;
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/**
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* The interfaces implemented or extended by this class or interface. More
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* precisely, this array contains the indexes of the constant pool items
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* that contain the internal names of these interfaces.
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*/
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private int[] interfaces;
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/**
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* The index of the constant pool item that contains the name of the source
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* file from which this class was compiled.
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*/
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private int sourceFile;
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/**
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* The SourceDebug attribute of this class.
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*/
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private ByteVector sourceDebug;
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/**
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* The constant pool item that contains the name of the enclosing class of
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* this class.
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*/
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private int enclosingMethodOwner;
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/**
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* The constant pool item that contains the name and descriptor of the
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* enclosing method of this class.
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*/
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private int enclosingMethod;
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/**
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* The runtime visible annotations of this class.
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*/
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private AnnotationWriter anns;
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/**
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* The runtime invisible annotations of this class.
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*/
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private AnnotationWriter ianns;
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/**
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* The non standard attributes of this class.
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*/
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private Attribute attrs;
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/**
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* The number of entries in the InnerClasses attribute.
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*/
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private int innerClassesCount;
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/**
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* The InnerClasses attribute.
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*/
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private ByteVector innerClasses;
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/**
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* The fields of this class. These fields are stored in a linked list of
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* {@link FieldWriter} objects, linked to each other by their
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* {@link FieldWriter#next} field. This field stores the first element of
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* this list.
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*/
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FieldWriter firstField;
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/**
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* The fields of this class. These fields are stored in a linked list of
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* {@link FieldWriter} objects, linked to each other by their
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* {@link FieldWriter#next} field. This field stores the last element of
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* this list.
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*/
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FieldWriter lastField;
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/**
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* The methods of this class. These methods are stored in a linked list of
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* {@link MethodWriter} objects, linked to each other by their
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* {@link MethodWriter#next} field. This field stores the first element of
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* this list.
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*/
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MethodWriter firstMethod;
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/**
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* The methods of this class. These methods are stored in a linked list of
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* {@link MethodWriter} objects, linked to each other by their
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* {@link MethodWriter#next} field. This field stores the last element of
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* this list.
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*/
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MethodWriter lastMethod;
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/**
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* <tt>true</tt> if the maximum stack size and number of local variables
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* must be automatically computed.
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*/
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private boolean computeMaxs;
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// ------------------------------------------------------------------------
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// Static initializer
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// ------------------------------------------------------------------------
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/**
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* Computes the instruction types of JVM opcodes.
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*/
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static {
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int i;
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byte[] b = new byte[220];
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String s = "AAAAAAAAAAAAAAAABCKLLDDDDDEEEEEEEEEEEEEEEEEEEEAAAAAAAADD"
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+ "DDDEEEEEEEEEEEEEEEEEEEEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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+ "AAAAAAAAAAAAAAAAAMAAAAAAAAAAAAAAAAAAAAIIIIIIIIIIIIIIIIDNOAA"
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+ "AAAAGGGGGGGHAFBFAAFFAAQPIIJJIIIIIIIIIIIIIIIIII";
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for (i = 0; i < b.length; ++i) {
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b[i] = (byte) (s.charAt(i) - 'A');
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}
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TYPE = b;
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// code to generate the above string
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//
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// // SBYTE_INSN instructions
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// b[Constants.NEWARRAY] = SBYTE_INSN;
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// b[Constants.BIPUSH] = SBYTE_INSN;
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//
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// // SHORT_INSN instructions
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// b[Constants.SIPUSH] = SHORT_INSN;
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//
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// // (IMPL)VAR_INSN instructions
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// b[Constants.RET] = VAR_INSN;
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// for (i = Constants.ILOAD; i <= Constants.ALOAD; ++i) {
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// b[i] = VAR_INSN;
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// }
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// for (i = Constants.ISTORE; i <= Constants.ASTORE; ++i) {
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// b[i] = VAR_INSN;
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// }
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// for (i = 26; i <= 45; ++i) { // ILOAD_0 to ALOAD_3
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// b[i] = IMPLVAR_INSN;
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// }
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// for (i = 59; i <= 78; ++i) { // ISTORE_0 to ASTORE_3
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// b[i] = IMPLVAR_INSN;
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// }
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//
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// // TYPE_INSN instructions
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// b[Constants.NEW] = TYPE_INSN;
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// b[Constants.ANEWARRAY] = TYPE_INSN;
|
398 |
|
|
// b[Constants.CHECKCAST] = TYPE_INSN;
|
399 |
|
|
// b[Constants.INSTANCEOF] = TYPE_INSN;
|
400 |
|
|
//
|
401 |
|
|
// // (Set)FIELDORMETH_INSN instructions
|
402 |
|
|
// for (i = Constants.GETSTATIC; i <= Constants.INVOKESTATIC; ++i) {
|
403 |
|
|
// b[i] = FIELDORMETH_INSN;
|
404 |
|
|
// }
|
405 |
|
|
// b[Constants.INVOKEINTERFACE] = ITFMETH_INSN;
|
406 |
|
|
//
|
407 |
|
|
// // LABEL(W)_INSN instructions
|
408 |
|
|
// for (i = Constants.IFEQ; i <= Constants.JSR; ++i) {
|
409 |
|
|
// b[i] = LABEL_INSN;
|
410 |
|
|
// }
|
411 |
|
|
// b[Constants.IFNULL] = LABEL_INSN;
|
412 |
|
|
// b[Constants.IFNONNULL] = LABEL_INSN;
|
413 |
|
|
// b[200] = LABELW_INSN; // GOTO_W
|
414 |
|
|
// b[201] = LABELW_INSN; // JSR_W
|
415 |
|
|
// // temporary opcodes used internally by ASM - see Label and
|
416 |
|
|
// MethodWriter
|
417 |
|
|
// for (i = 202; i < 220; ++i) {
|
418 |
|
|
// b[i] = LABEL_INSN;
|
419 |
|
|
// }
|
420 |
|
|
//
|
421 |
|
|
// // LDC(_W) instructions
|
422 |
|
|
// b[Constants.LDC] = LDC_INSN;
|
423 |
|
|
// b[19] = LDCW_INSN; // LDC_W
|
424 |
|
|
// b[20] = LDCW_INSN; // LDC2_W
|
425 |
|
|
//
|
426 |
|
|
// // special instructions
|
427 |
|
|
// b[Constants.IINC] = IINC_INSN;
|
428 |
|
|
// b[Constants.TABLESWITCH] = TABL_INSN;
|
429 |
|
|
// b[Constants.LOOKUPSWITCH] = LOOK_INSN;
|
430 |
|
|
// b[Constants.MULTIANEWARRAY] = MANA_INSN;
|
431 |
|
|
// b[196] = WIDE_INSN; // WIDE
|
432 |
|
|
//
|
433 |
|
|
// for (i = 0; i < b.length; ++i) {
|
434 |
|
|
// System.err.print((char)('A' + b[i]));
|
435 |
|
|
// }
|
436 |
|
|
// System.err.println();
|
437 |
|
|
}
|
438 |
|
|
|
439 |
|
|
// ------------------------------------------------------------------------
|
440 |
|
|
// Constructor
|
441 |
|
|
// ------------------------------------------------------------------------
|
442 |
|
|
|
443 |
|
|
/**
|
444 |
|
|
* Constructs a new {@link ClassWriter ClassWriter} object.
|
445 |
|
|
*
|
446 |
|
|
* @param computeMaxs <tt>true</tt> if the maximum stack size and the
|
447 |
|
|
* maximum number of local variables must be automatically computed.
|
448 |
|
|
* If this flag is <tt>true</tt>, then the arguments of the
|
449 |
|
|
* {@link MethodVisitor#visitMaxs visitMaxs} method of the
|
450 |
|
|
* {@link MethodVisitor} returned by the
|
451 |
|
|
* {@link #visitMethod visitMethod} method will be ignored, and
|
452 |
|
|
* computed automatically from the signature and the bytecode of each
|
453 |
|
|
* method.
|
454 |
|
|
*/
|
455 |
|
|
public ClassWriter(final boolean computeMaxs) {
|
456 |
|
|
this(computeMaxs, false);
|
457 |
|
|
}
|
458 |
|
|
|
459 |
|
|
/**
|
460 |
|
|
* Constructs a new {@link ClassWriter} object.
|
461 |
|
|
*
|
462 |
|
|
* @param computeMaxs <tt>true</tt> if the maximum stack size and the
|
463 |
|
|
* maximum number of local variables must be automatically computed.
|
464 |
|
|
* If this flag is <tt>true</tt>, then the arguments of the
|
465 |
|
|
* {@link MethodVisitor#visitMaxs visitMaxs} method of the
|
466 |
|
|
* {@link MethodVisitor} returned by the
|
467 |
|
|
* {@link #visitMethod visitMethod} method will be ignored, and
|
468 |
|
|
* computed automatically from the signature and the bytecode of each
|
469 |
|
|
* method.
|
470 |
|
|
* @param skipUnknownAttributes <b>Deprecated</b>. The value of this
|
471 |
|
|
* parameter is ignored.
|
472 |
|
|
*/
|
473 |
|
|
public ClassWriter(
|
474 |
|
|
final boolean computeMaxs,
|
475 |
|
|
final boolean skipUnknownAttributes)
|
476 |
|
|
{
|
477 |
|
|
index = 1;
|
478 |
|
|
pool = new ByteVector();
|
479 |
|
|
items = new Item[256];
|
480 |
|
|
threshold = (int) (0.75d * items.length);
|
481 |
|
|
key = new Item();
|
482 |
|
|
key2 = new Item();
|
483 |
|
|
key3 = new Item();
|
484 |
|
|
this.computeMaxs = computeMaxs;
|
485 |
|
|
}
|
486 |
|
|
|
487 |
|
|
/**
|
488 |
|
|
* Constructs a new {@link ClassWriter} object and enables optimizations for
|
489 |
|
|
* "mostly add" bytecode transformations. These optimizations are the
|
490 |
|
|
* following:
|
491 |
|
|
*
|
492 |
|
|
* <ul> <li>The constant pool from the original class is copied as is in
|
493 |
|
|
* the new class, which saves time. New constant pool entries will be added
|
494 |
|
|
* at the end if necessary, but unused constant pool entries <i>won't be
|
495 |
|
|
* removed</i>.</li> <li>Methods that are not transformed are copied as
|
496 |
|
|
* is in the new class, directly from the original class bytecode (i.e.
|
497 |
|
|
* without emitting visit events for all the method instructions), which
|
498 |
|
|
* saves a <i>lot</i> of time. Untransformed methods are detected by the
|
499 |
|
|
* fact that the {@link ClassReader} receives {@link MethodVisitor} objects
|
500 |
|
|
* that come from a {@link ClassWriter} (and not from a custom
|
501 |
|
|
* {@link ClassAdapter} or any other {@link ClassVisitor} instance).</li>
|
502 |
|
|
* </ul>
|
503 |
|
|
*
|
504 |
|
|
* @param classReader the {@link ClassReader} used to read the original
|
505 |
|
|
* class. It will be used to copy the entire constant pool from the
|
506 |
|
|
* original class and also to copy other fragments of original
|
507 |
|
|
* bytecode where applicable.
|
508 |
|
|
* @param computeMaxs <tt>true</tt> if the maximum stack size and the
|
509 |
|
|
* maximum number of local variables must be automatically computed.
|
510 |
|
|
* If this flag is <tt>true</tt>, then the arguments of the
|
511 |
|
|
* {@link MethodVisitor#visitMaxs visitMaxs} method of the
|
512 |
|
|
* {@link MethodVisitor} returned by the
|
513 |
|
|
* {@link #visitMethod visitMethod} method will be ignored, and
|
514 |
|
|
* computed automatically from the signature and the bytecode of each
|
515 |
|
|
* method.
|
516 |
|
|
*/
|
517 |
|
|
public ClassWriter(
|
518 |
|
|
final ClassReader classReader,
|
519 |
|
|
final boolean computeMaxs)
|
520 |
|
|
{
|
521 |
|
|
this(computeMaxs, false);
|
522 |
|
|
classReader.copyPool(this);
|
523 |
|
|
this.cr = classReader;
|
524 |
|
|
}
|
525 |
|
|
|
526 |
|
|
// ------------------------------------------------------------------------
|
527 |
|
|
// Implementation of the ClassVisitor interface
|
528 |
|
|
// ------------------------------------------------------------------------
|
529 |
|
|
|
530 |
|
|
public void visit(
|
531 |
|
|
final int version,
|
532 |
|
|
final int access,
|
533 |
|
|
final String name,
|
534 |
|
|
final String signature,
|
535 |
|
|
final String superName,
|
536 |
|
|
final String[] interfaces)
|
537 |
|
|
{
|
538 |
|
|
this.version = version;
|
539 |
|
|
this.access = access;
|
540 |
|
|
this.name = newClass(name);
|
541 |
|
|
if (signature != null) {
|
542 |
|
|
this.signature = newUTF8(signature);
|
543 |
|
|
}
|
544 |
|
|
this.superName = superName == null ? 0 : newClass(superName);
|
545 |
|
|
if (interfaces != null && interfaces.length > 0) {
|
546 |
|
|
interfaceCount = interfaces.length;
|
547 |
|
|
this.interfaces = new int[interfaceCount];
|
548 |
|
|
for (int i = 0; i < interfaceCount; ++i) {
|
549 |
|
|
this.interfaces[i] = newClass(interfaces[i]);
|
550 |
|
|
}
|
551 |
|
|
}
|
552 |
|
|
}
|
553 |
|
|
|
554 |
|
|
public void visitSource(final String file, final String debug) {
|
555 |
|
|
if (file != null) {
|
556 |
|
|
sourceFile = newUTF8(file);
|
557 |
|
|
}
|
558 |
|
|
if (debug != null) {
|
559 |
|
|
sourceDebug = new ByteVector().putUTF8(debug);
|
560 |
|
|
}
|
561 |
|
|
}
|
562 |
|
|
|
563 |
|
|
public void visitOuterClass(
|
564 |
|
|
final String owner,
|
565 |
|
|
final String name,
|
566 |
|
|
final String desc)
|
567 |
|
|
{
|
568 |
|
|
enclosingMethodOwner = newClass(owner);
|
569 |
|
|
if (name != null && desc != null) {
|
570 |
|
|
enclosingMethod = newNameType(name, desc);
|
571 |
|
|
}
|
572 |
|
|
}
|
573 |
|
|
|
574 |
|
|
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
|
575 |
|
|
ByteVector bv = new ByteVector();
|
576 |
|
|
// write type, and reserve space for values count
|
577 |
|
|
bv.putShort(newUTF8(desc)).putShort(0);
|
578 |
|
|
AnnotationWriter aw = new AnnotationWriter(this, true, bv, bv, 2);
|
579 |
|
|
if (visible) {
|
580 |
|
|
aw.next = anns;
|
581 |
|
|
anns = aw;
|
582 |
|
|
} else {
|
583 |
|
|
aw.next = ianns;
|
584 |
|
|
ianns = aw;
|
585 |
|
|
}
|
586 |
|
|
return aw;
|
587 |
|
|
}
|
588 |
|
|
|
589 |
|
|
public void visitAttribute(final Attribute attr) {
|
590 |
|
|
attr.next = attrs;
|
591 |
|
|
attrs = attr;
|
592 |
|
|
}
|
593 |
|
|
|
594 |
|
|
public void visitInnerClass(
|
595 |
|
|
final String name,
|
596 |
|
|
final String outerName,
|
597 |
|
|
final String innerName,
|
598 |
|
|
final int access)
|
599 |
|
|
{
|
600 |
|
|
if (innerClasses == null) {
|
601 |
|
|
innerClasses = new ByteVector();
|
602 |
|
|
}
|
603 |
|
|
++innerClassesCount;
|
604 |
|
|
innerClasses.putShort(name == null ? 0 : newClass(name));
|
605 |
|
|
innerClasses.putShort(outerName == null ? 0 : newClass(outerName));
|
606 |
|
|
innerClasses.putShort(innerName == null ? 0 : newUTF8(innerName));
|
607 |
|
|
innerClasses.putShort(access);
|
608 |
|
|
}
|
609 |
|
|
|
610 |
|
|
public FieldVisitor visitField(
|
611 |
|
|
final int access,
|
612 |
|
|
final String name,
|
613 |
|
|
final String desc,
|
614 |
|
|
final String signature,
|
615 |
|
|
final Object value)
|
616 |
|
|
{
|
617 |
|
|
return new FieldWriter(this, access, name, desc, signature, value);
|
618 |
|
|
}
|
619 |
|
|
|
620 |
|
|
public MethodVisitor visitMethod(
|
621 |
|
|
final int access,
|
622 |
|
|
final String name,
|
623 |
|
|
final String desc,
|
624 |
|
|
final String signature,
|
625 |
|
|
final String[] exceptions)
|
626 |
|
|
{
|
627 |
|
|
return new MethodWriter(this,
|
628 |
|
|
access,
|
629 |
|
|
name,
|
630 |
|
|
desc,
|
631 |
|
|
signature,
|
632 |
|
|
exceptions,
|
633 |
|
|
computeMaxs);
|
634 |
|
|
}
|
635 |
|
|
|
636 |
|
|
public void visitEnd() {
|
637 |
|
|
}
|
638 |
|
|
|
639 |
|
|
// ------------------------------------------------------------------------
|
640 |
|
|
// Other public methods
|
641 |
|
|
// ------------------------------------------------------------------------
|
642 |
|
|
|
643 |
|
|
/**
|
644 |
|
|
* Returns the bytecode of the class that was build with this class writer.
|
645 |
|
|
*
|
646 |
|
|
* @return the bytecode of the class that was build with this class writer.
|
647 |
|
|
*/
|
648 |
|
|
public byte[] toByteArray() {
|
649 |
|
|
// computes the real size of the bytecode of this class
|
650 |
|
|
int size = 24 + 2 * interfaceCount;
|
651 |
|
|
int nbFields = 0;
|
652 |
|
|
FieldWriter fb = firstField;
|
653 |
|
|
while (fb != null) {
|
654 |
|
|
++nbFields;
|
655 |
|
|
size += fb.getSize();
|
656 |
|
|
fb = fb.next;
|
657 |
|
|
}
|
658 |
|
|
int nbMethods = 0;
|
659 |
|
|
MethodWriter mb = firstMethod;
|
660 |
|
|
while (mb != null) {
|
661 |
|
|
++nbMethods;
|
662 |
|
|
size += mb.getSize();
|
663 |
|
|
mb = mb.next;
|
664 |
|
|
}
|
665 |
|
|
int attributeCount = 0;
|
666 |
|
|
if (signature != 0) {
|
667 |
|
|
++attributeCount;
|
668 |
|
|
size += 8;
|
669 |
|
|
newUTF8("Signature");
|
670 |
|
|
}
|
671 |
|
|
if (sourceFile != 0) {
|
672 |
|
|
++attributeCount;
|
673 |
|
|
size += 8;
|
674 |
|
|
newUTF8("SourceFile");
|
675 |
|
|
}
|
676 |
|
|
if (sourceDebug != null) {
|
677 |
|
|
++attributeCount;
|
678 |
|
|
size += sourceDebug.length + 4;
|
679 |
|
|
newUTF8("SourceDebugExtension");
|
680 |
|
|
}
|
681 |
|
|
if (enclosingMethodOwner != 0) {
|
682 |
|
|
++attributeCount;
|
683 |
|
|
size += 10;
|
684 |
|
|
newUTF8("EnclosingMethod");
|
685 |
|
|
}
|
686 |
|
|
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
|
687 |
|
|
++attributeCount;
|
688 |
|
|
size += 6;
|
689 |
|
|
newUTF8("Deprecated");
|
690 |
|
|
}
|
691 |
|
|
if ((access & Opcodes.ACC_SYNTHETIC) != 0
|
692 |
|
|
&& (version & 0xffff) < Opcodes.V1_5)
|
693 |
|
|
{
|
694 |
|
|
++attributeCount;
|
695 |
|
|
size += 6;
|
696 |
|
|
newUTF8("Synthetic");
|
697 |
|
|
}
|
698 |
|
|
if (version == Opcodes.V1_4) {
|
699 |
|
|
if ((access & Opcodes.ACC_ANNOTATION) != 0) {
|
700 |
|
|
++attributeCount;
|
701 |
|
|
size += 6;
|
702 |
|
|
newUTF8("Annotation");
|
703 |
|
|
}
|
704 |
|
|
if ((access & Opcodes.ACC_ENUM) != 0) {
|
705 |
|
|
++attributeCount;
|
706 |
|
|
size += 6;
|
707 |
|
|
newUTF8("Enum");
|
708 |
|
|
}
|
709 |
|
|
}
|
710 |
|
|
if (innerClasses != null) {
|
711 |
|
|
++attributeCount;
|
712 |
|
|
size += 8 + innerClasses.length;
|
713 |
|
|
newUTF8("InnerClasses");
|
714 |
|
|
}
|
715 |
|
|
if (anns != null) {
|
716 |
|
|
++attributeCount;
|
717 |
|
|
size += 8 + anns.getSize();
|
718 |
|
|
newUTF8("RuntimeVisibleAnnotations");
|
719 |
|
|
}
|
720 |
|
|
if (ianns != null) {
|
721 |
|
|
++attributeCount;
|
722 |
|
|
size += 8 + ianns.getSize();
|
723 |
|
|
newUTF8("RuntimeInvisibleAnnotations");
|
724 |
|
|
}
|
725 |
|
|
if (attrs != null) {
|
726 |
|
|
attributeCount += attrs.getCount();
|
727 |
|
|
size += attrs.getSize(this, null, 0, -1, -1);
|
728 |
|
|
}
|
729 |
|
|
size += pool.length;
|
730 |
|
|
// allocates a byte vector of this size, in order to avoid unnecessary
|
731 |
|
|
// arraycopy operations in the ByteVector.enlarge() method
|
732 |
|
|
ByteVector out = new ByteVector(size);
|
733 |
|
|
out.putInt(0xCAFEBABE).putInt(version);
|
734 |
|
|
out.putShort(index).putByteArray(pool.data, 0, pool.length);
|
735 |
|
|
out.putShort(access).putShort(name).putShort(superName);
|
736 |
|
|
out.putShort(interfaceCount);
|
737 |
|
|
for (int i = 0; i < interfaceCount; ++i) {
|
738 |
|
|
out.putShort(interfaces[i]);
|
739 |
|
|
}
|
740 |
|
|
out.putShort(nbFields);
|
741 |
|
|
fb = firstField;
|
742 |
|
|
while (fb != null) {
|
743 |
|
|
fb.put(out);
|
744 |
|
|
fb = fb.next;
|
745 |
|
|
}
|
746 |
|
|
out.putShort(nbMethods);
|
747 |
|
|
mb = firstMethod;
|
748 |
|
|
while (mb != null) {
|
749 |
|
|
mb.put(out);
|
750 |
|
|
mb = mb.next;
|
751 |
|
|
}
|
752 |
|
|
out.putShort(attributeCount);
|
753 |
|
|
if (signature != 0) {
|
754 |
|
|
out.putShort(newUTF8("Signature")).putInt(2).putShort(signature);
|
755 |
|
|
}
|
756 |
|
|
if (sourceFile != 0) {
|
757 |
|
|
out.putShort(newUTF8("SourceFile")).putInt(2).putShort(sourceFile);
|
758 |
|
|
}
|
759 |
|
|
if (sourceDebug != null) {
|
760 |
|
|
int len = sourceDebug.length - 2;
|
761 |
|
|
out.putShort(newUTF8("SourceDebugExtension")).putInt(len);
|
762 |
|
|
out.putByteArray(sourceDebug.data, 2, len);
|
763 |
|
|
}
|
764 |
|
|
if (enclosingMethodOwner != 0) {
|
765 |
|
|
out.putShort(newUTF8("EnclosingMethod")).putInt(4);
|
766 |
|
|
out.putShort(enclosingMethodOwner).putShort(enclosingMethod);
|
767 |
|
|
}
|
768 |
|
|
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
|
769 |
|
|
out.putShort(newUTF8("Deprecated")).putInt(0);
|
770 |
|
|
}
|
771 |
|
|
if ((access & Opcodes.ACC_SYNTHETIC) != 0
|
772 |
|
|
&& (version & 0xffff) < Opcodes.V1_5)
|
773 |
|
|
{
|
774 |
|
|
out.putShort(newUTF8("Synthetic")).putInt(0);
|
775 |
|
|
}
|
776 |
|
|
if (version == Opcodes.V1_4) {
|
777 |
|
|
if ((access & Opcodes.ACC_ANNOTATION) != 0) {
|
778 |
|
|
out.putShort(newUTF8("Annotation")).putInt(0);
|
779 |
|
|
}
|
780 |
|
|
if ((access & Opcodes.ACC_ENUM) != 0) {
|
781 |
|
|
out.putShort(newUTF8("Enum")).putInt(0);
|
782 |
|
|
}
|
783 |
|
|
}
|
784 |
|
|
if (innerClasses != null) {
|
785 |
|
|
out.putShort(newUTF8("InnerClasses"));
|
786 |
|
|
out.putInt(innerClasses.length + 2).putShort(innerClassesCount);
|
787 |
|
|
out.putByteArray(innerClasses.data, 0, innerClasses.length);
|
788 |
|
|
}
|
789 |
|
|
if (anns != null) {
|
790 |
|
|
out.putShort(newUTF8("RuntimeVisibleAnnotations"));
|
791 |
|
|
anns.put(out);
|
792 |
|
|
}
|
793 |
|
|
if (ianns != null) {
|
794 |
|
|
out.putShort(newUTF8("RuntimeInvisibleAnnotations"));
|
795 |
|
|
ianns.put(out);
|
796 |
|
|
}
|
797 |
|
|
if (attrs != null) {
|
798 |
|
|
attrs.put(this, null, 0, -1, -1, out);
|
799 |
|
|
}
|
800 |
|
|
return out.data;
|
801 |
|
|
}
|
802 |
|
|
|
803 |
|
|
// ------------------------------------------------------------------------
|
804 |
|
|
// Utility methods: constant pool management
|
805 |
|
|
// ------------------------------------------------------------------------
|
806 |
|
|
|
807 |
|
|
/**
|
808 |
|
|
* Adds a number or string constant to the constant pool of the class being
|
809 |
|
|
* build. Does nothing if the constant pool already contains a similar item.
|
810 |
|
|
*
|
811 |
|
|
* @param cst the value of the constant to be added to the constant pool.
|
812 |
|
|
* This parameter must be an {@link Integer}, a {@link Float}, a
|
813 |
|
|
* {@link Long}, a {@link Double}, a {@link String} or a
|
814 |
|
|
* {@link Type}.
|
815 |
|
|
* @return a new or already existing constant item with the given value.
|
816 |
|
|
*/
|
817 |
|
|
Item newConstItem(final Object cst) {
|
818 |
|
|
if (cst instanceof Integer) {
|
819 |
|
|
int val = ((Integer) cst).intValue();
|
820 |
|
|
return newInteger(val);
|
821 |
|
|
} else if (cst instanceof Byte) {
|
822 |
|
|
int val = ((Byte) cst).intValue();
|
823 |
|
|
return newInteger(val);
|
824 |
|
|
} else if (cst instanceof Character) {
|
825 |
|
|
int val = ((Character) cst).charValue();
|
826 |
|
|
return newInteger(val);
|
827 |
|
|
} else if (cst instanceof Short) {
|
828 |
|
|
int val = ((Short) cst).intValue();
|
829 |
|
|
return newInteger(val);
|
830 |
|
|
} else if (cst instanceof Boolean) {
|
831 |
|
|
int val = ((Boolean) cst).booleanValue() ? 1 : 0;
|
832 |
|
|
return newInteger(val);
|
833 |
|
|
} else if (cst instanceof Float) {
|
834 |
|
|
float val = ((Float) cst).floatValue();
|
835 |
|
|
return newFloat(val);
|
836 |
|
|
} else if (cst instanceof Long) {
|
837 |
|
|
long val = ((Long) cst).longValue();
|
838 |
|
|
return newLong(val);
|
839 |
|
|
} else if (cst instanceof Double) {
|
840 |
|
|
double val = ((Double) cst).doubleValue();
|
841 |
|
|
return newDouble(val);
|
842 |
|
|
} else if (cst instanceof String) {
|
843 |
|
|
return newString((String) cst);
|
844 |
|
|
} else if (cst instanceof Type) {
|
845 |
|
|
Type t = (Type) cst;
|
846 |
|
|
return newClassItem(t.getSort() == Type.OBJECT
|
847 |
|
|
? t.getInternalName()
|
848 |
|
|
: t.getDescriptor());
|
849 |
|
|
} else {
|
850 |
|
|
throw new IllegalArgumentException("value " + cst);
|
851 |
|
|
}
|
852 |
|
|
}
|
853 |
|
|
|
854 |
|
|
/**
|
855 |
|
|
* Adds a number or string constant to the constant pool of the class being
|
856 |
|
|
* build. Does nothing if the constant pool already contains a similar item.
|
857 |
|
|
* <i>This method is intended for {@link Attribute} sub classes, and is
|
858 |
|
|
* normally not needed by class generators or adapters.</i>
|
859 |
|
|
*
|
860 |
|
|
* @param cst the value of the constant to be added to the constant pool.
|
861 |
|
|
* This parameter must be an {@link Integer}, a {@link Float}, a
|
862 |
|
|
* {@link Long}, a {@link Double} or a {@link String}.
|
863 |
|
|
* @return the index of a new or already existing constant item with the
|
864 |
|
|
* given value.
|
865 |
|
|
*/
|
866 |
|
|
public int newConst(final Object cst) {
|
867 |
|
|
return newConstItem(cst).index;
|
868 |
|
|
}
|
869 |
|
|
|
870 |
|
|
/**
|
871 |
|
|
* Adds an UTF8 string to the constant pool of the class being build. Does
|
872 |
|
|
* nothing if the constant pool already contains a similar item. <i>This
|
873 |
|
|
* method is intended for {@link Attribute} sub classes, and is normally not
|
874 |
|
|
* needed by class generators or adapters.</i>
|
875 |
|
|
*
|
876 |
|
|
* @param value the String value.
|
877 |
|
|
* @return the index of a new or already existing UTF8 item.
|
878 |
|
|
*/
|
879 |
|
|
public int newUTF8(final String value) {
|
880 |
|
|
key.set(UTF8, value, null, null);
|
881 |
|
|
Item result = get(key);
|
882 |
|
|
if (result == null) {
|
883 |
|
|
pool.putByte(UTF8).putUTF8(value);
|
884 |
|
|
result = new Item(index++, key);
|
885 |
|
|
put(result);
|
886 |
|
|
}
|
887 |
|
|
return result.index;
|
888 |
|
|
}
|
889 |
|
|
|
890 |
|
|
/**
|
891 |
|
|
* Adds a class reference to the constant pool of the class being build.
|
892 |
|
|
* Does nothing if the constant pool already contains a similar item.
|
893 |
|
|
* <i>This method is intended for {@link Attribute} sub classes, and is
|
894 |
|
|
* normally not needed by class generators or adapters.</i>
|
895 |
|
|
*
|
896 |
|
|
* @param value the internal name of the class.
|
897 |
|
|
* @return the index of a new or already existing class reference item.
|
898 |
|
|
*/
|
899 |
|
|
public int newClass(final String value) {
|
900 |
|
|
return newClassItem(value).index;
|
901 |
|
|
}
|
902 |
|
|
|
903 |
|
|
/**
|
904 |
|
|
* Adds a class reference to the constant pool of the class being build.
|
905 |
|
|
* Does nothing if the constant pool already contains a similar item.
|
906 |
|
|
* <i>This method is intended for {@link Attribute} sub classes, and is
|
907 |
|
|
* normally not needed by class generators or adapters.</i>
|
908 |
|
|
*
|
909 |
|
|
* @param value the internal name of the class.
|
910 |
|
|
* @return a new or already existing class reference item.
|
911 |
|
|
*/
|
912 |
|
|
private Item newClassItem(final String value) {
|
913 |
|
|
key2.set(CLASS, value, null, null);
|
914 |
|
|
Item result = get(key2);
|
915 |
|
|
if (result == null) {
|
916 |
|
|
pool.put12(CLASS, newUTF8(value));
|
917 |
|
|
result = new Item(index++, key2);
|
918 |
|
|
put(result);
|
919 |
|
|
}
|
920 |
|
|
return result;
|
921 |
|
|
}
|
922 |
|
|
|
923 |
|
|
/**
|
924 |
|
|
* Adds a field reference to the constant pool of the class being build.
|
925 |
|
|
* Does nothing if the constant pool already contains a similar item.
|
926 |
|
|
* <i>This method is intended for {@link Attribute} sub classes, and is
|
927 |
|
|
* normally not needed by class generators or adapters.</i>
|
928 |
|
|
*
|
929 |
|
|
* @param owner the internal name of the field's owner class.
|
930 |
|
|
* @param name the field's name.
|
931 |
|
|
* @param desc the field's descriptor.
|
932 |
|
|
* @return the index of a new or already existing field reference item.
|
933 |
|
|
*/
|
934 |
|
|
public int newField(final String owner, final String name, final String desc)
|
935 |
|
|
{
|
936 |
|
|
key3.set(FIELD, owner, name, desc);
|
937 |
|
|
Item result = get(key3);
|
938 |
|
|
if (result == null) {
|
939 |
|
|
put122(FIELD, newClass(owner), newNameType(name, desc));
|
940 |
|
|
result = new Item(index++, key3);
|
941 |
|
|
put(result);
|
942 |
|
|
}
|
943 |
|
|
return result.index;
|
944 |
|
|
}
|
945 |
|
|
|
946 |
|
|
/**
|
947 |
|
|
* Adds a method reference to the constant pool of the class being build.
|
948 |
|
|
* Does nothing if the constant pool already contains a similar item.
|
949 |
|
|
*
|
950 |
|
|
* @param owner the internal name of the method's owner class.
|
951 |
|
|
* @param name the method's name.
|
952 |
|
|
* @param desc the method's descriptor.
|
953 |
|
|
* @param itf <tt>true</tt> if <tt>owner</tt> is an interface.
|
954 |
|
|
* @return a new or already existing method reference item.
|
955 |
|
|
*/
|
956 |
|
|
Item newMethodItem(
|
957 |
|
|
final String owner,
|
958 |
|
|
final String name,
|
959 |
|
|
final String desc,
|
960 |
|
|
final boolean itf)
|
961 |
|
|
{
|
962 |
|
|
int type = itf ? IMETH : METH;
|
963 |
|
|
key3.set(type, owner, name, desc);
|
964 |
|
|
Item result = get(key3);
|
965 |
|
|
if (result == null) {
|
966 |
|
|
put122(type, newClass(owner), newNameType(name, desc));
|
967 |
|
|
result = new Item(index++, key3);
|
968 |
|
|
put(result);
|
969 |
|
|
}
|
970 |
|
|
return result;
|
971 |
|
|
}
|
972 |
|
|
|
973 |
|
|
/**
|
974 |
|
|
* Adds a method reference to the constant pool of the class being build.
|
975 |
|
|
* Does nothing if the constant pool already contains a similar item.
|
976 |
|
|
* <i>This method is intended for {@link Attribute} sub classes, and is
|
977 |
|
|
* normally not needed by class generators or adapters.</i>
|
978 |
|
|
*
|
979 |
|
|
* @param owner the internal name of the method's owner class.
|
980 |
|
|
* @param name the method's name.
|
981 |
|
|
* @param desc the method's descriptor.
|
982 |
|
|
* @param itf <tt>true</tt> if <tt>owner</tt> is an interface.
|
983 |
|
|
* @return the index of a new or already existing method reference item.
|
984 |
|
|
*/
|
985 |
|
|
public int newMethod(
|
986 |
|
|
final String owner,
|
987 |
|
|
final String name,
|
988 |
|
|
final String desc,
|
989 |
|
|
final boolean itf)
|
990 |
|
|
{
|
991 |
|
|
return newMethodItem(owner, name, desc, itf).index;
|
992 |
|
|
}
|
993 |
|
|
|
994 |
|
|
/**
|
995 |
|
|
* Adds an integer to the constant pool of the class being build. Does
|
996 |
|
|
* nothing if the constant pool already contains a similar item.
|
997 |
|
|
*
|
998 |
|
|
* @param value the int value.
|
999 |
|
|
* @return a new or already existing int item.
|
1000 |
|
|
*/
|
1001 |
|
|
Item newInteger(final int value) {
|
1002 |
|
|
key.set(value);
|
1003 |
|
|
Item result = get(key);
|
1004 |
|
|
if (result == null) {
|
1005 |
|
|
pool.putByte(INT).putInt(value);
|
1006 |
|
|
result = new Item(index++, key);
|
1007 |
|
|
put(result);
|
1008 |
|
|
}
|
1009 |
|
|
return result;
|
1010 |
|
|
}
|
1011 |
|
|
|
1012 |
|
|
/**
|
1013 |
|
|
* Adds a float to the constant pool of the class being build. Does nothing
|
1014 |
|
|
* if the constant pool already contains a similar item.
|
1015 |
|
|
*
|
1016 |
|
|
* @param value the float value.
|
1017 |
|
|
* @return a new or already existing float item.
|
1018 |
|
|
*/
|
1019 |
|
|
Item newFloat(final float value) {
|
1020 |
|
|
key.set(value);
|
1021 |
|
|
Item result = get(key);
|
1022 |
|
|
if (result == null) {
|
1023 |
|
|
pool.putByte(FLOAT).putInt(Float.floatToIntBits(value));
|
1024 |
|
|
result = new Item(index++, key);
|
1025 |
|
|
put(result);
|
1026 |
|
|
}
|
1027 |
|
|
return result;
|
1028 |
|
|
}
|
1029 |
|
|
|
1030 |
|
|
/**
|
1031 |
|
|
* Adds a long to the constant pool of the class being build. Does nothing
|
1032 |
|
|
* if the constant pool already contains a similar item.
|
1033 |
|
|
*
|
1034 |
|
|
* @param value the long value.
|
1035 |
|
|
* @return a new or already existing long item.
|
1036 |
|
|
*/
|
1037 |
|
|
Item newLong(final long value) {
|
1038 |
|
|
key.set(value);
|
1039 |
|
|
Item result = get(key);
|
1040 |
|
|
if (result == null) {
|
1041 |
|
|
pool.putByte(LONG).putLong(value);
|
1042 |
|
|
result = new Item(index, key);
|
1043 |
|
|
put(result);
|
1044 |
|
|
index += 2;
|
1045 |
|
|
}
|
1046 |
|
|
return result;
|
1047 |
|
|
}
|
1048 |
|
|
|
1049 |
|
|
/**
|
1050 |
|
|
* Adds a double to the constant pool of the class being build. Does nothing
|
1051 |
|
|
* if the constant pool already contains a similar item.
|
1052 |
|
|
*
|
1053 |
|
|
* @param value the double value.
|
1054 |
|
|
* @return a new or already existing double item.
|
1055 |
|
|
*/
|
1056 |
|
|
Item newDouble(final double value) {
|
1057 |
|
|
key.set(value);
|
1058 |
|
|
Item result = get(key);
|
1059 |
|
|
if (result == null) {
|
1060 |
|
|
pool.putByte(DOUBLE).putLong(Double.doubleToLongBits(value));
|
1061 |
|
|
result = new Item(index, key);
|
1062 |
|
|
put(result);
|
1063 |
|
|
index += 2;
|
1064 |
|
|
}
|
1065 |
|
|
return result;
|
1066 |
|
|
}
|
1067 |
|
|
|
1068 |
|
|
/**
|
1069 |
|
|
* Adds a string to the constant pool of the class being build. Does nothing
|
1070 |
|
|
* if the constant pool already contains a similar item.
|
1071 |
|
|
*
|
1072 |
|
|
* @param value the String value.
|
1073 |
|
|
* @return a new or already existing string item.
|
1074 |
|
|
*/
|
1075 |
|
|
private Item newString(final String value) {
|
1076 |
|
|
key2.set(STR, value, null, null);
|
1077 |
|
|
Item result = get(key2);
|
1078 |
|
|
if (result == null) {
|
1079 |
|
|
pool.put12(STR, newUTF8(value));
|
1080 |
|
|
result = new Item(index++, key2);
|
1081 |
|
|
put(result);
|
1082 |
|
|
}
|
1083 |
|
|
return result;
|
1084 |
|
|
}
|
1085 |
|
|
|
1086 |
|
|
/**
|
1087 |
|
|
* Adds a name and type to the constant pool of the class being build. Does
|
1088 |
|
|
* nothing if the constant pool already contains a similar item. <i>This
|
1089 |
|
|
* method is intended for {@link Attribute} sub classes, and is normally not
|
1090 |
|
|
* needed by class generators or adapters.</i>
|
1091 |
|
|
*
|
1092 |
|
|
* @param name a name.
|
1093 |
|
|
* @param desc a type descriptor.
|
1094 |
|
|
* @return the index of a new or already existing name and type item.
|
1095 |
|
|
*/
|
1096 |
|
|
public int newNameType(final String name, final String desc) {
|
1097 |
|
|
key2.set(NAME_TYPE, name, desc, null);
|
1098 |
|
|
Item result = get(key2);
|
1099 |
|
|
if (result == null) {
|
1100 |
|
|
put122(NAME_TYPE, newUTF8(name), newUTF8(desc));
|
1101 |
|
|
result = new Item(index++, key2);
|
1102 |
|
|
put(result);
|
1103 |
|
|
}
|
1104 |
|
|
return result.index;
|
1105 |
|
|
}
|
1106 |
|
|
|
1107 |
|
|
/**
|
1108 |
|
|
* Returns the constant pool's hash table item which is equal to the given
|
1109 |
|
|
* item.
|
1110 |
|
|
*
|
1111 |
|
|
* @param key a constant pool item.
|
1112 |
|
|
* @return the constant pool's hash table item which is equal to the given
|
1113 |
|
|
* item, or <tt>null</tt> if there is no such item.
|
1114 |
|
|
*/
|
1115 |
|
|
private Item get(final Item key) {
|
1116 |
|
|
Item i = items[key.hashCode % items.length];
|
1117 |
|
|
while (i != null && !key.isEqualTo(i)) {
|
1118 |
|
|
i = i.next;
|
1119 |
|
|
}
|
1120 |
|
|
return i;
|
1121 |
|
|
}
|
1122 |
|
|
|
1123 |
|
|
/**
|
1124 |
|
|
* Puts the given item in the constant pool's hash table. The hash table
|
1125 |
|
|
* <i>must</i> not already contains this item.
|
1126 |
|
|
*
|
1127 |
|
|
* @param i the item to be added to the constant pool's hash table.
|
1128 |
|
|
*/
|
1129 |
|
|
private void put(final Item i) {
|
1130 |
|
|
if (index > threshold) {
|
1131 |
|
|
int ll = items.length;
|
1132 |
|
|
int nl = ll * 2 + 1;
|
1133 |
|
|
Item[] newItems = new Item[nl];
|
1134 |
|
|
for (int l = ll - 1; l >= 0; --l) {
|
1135 |
|
|
Item j = items[l];
|
1136 |
|
|
while (j != null) {
|
1137 |
|
|
int index = j.hashCode % newItems.length;
|
1138 |
|
|
Item k = j.next;
|
1139 |
|
|
j.next = newItems[index];
|
1140 |
|
|
newItems[index] = j;
|
1141 |
|
|
j = k;
|
1142 |
|
|
}
|
1143 |
|
|
}
|
1144 |
|
|
items = newItems;
|
1145 |
|
|
threshold = (int) (nl * 0.75);
|
1146 |
|
|
}
|
1147 |
|
|
int index = i.hashCode % items.length;
|
1148 |
|
|
i.next = items[index];
|
1149 |
|
|
items[index] = i;
|
1150 |
|
|
}
|
1151 |
|
|
|
1152 |
|
|
/**
|
1153 |
|
|
* Puts one byte and two shorts into the constant pool.
|
1154 |
|
|
*
|
1155 |
|
|
* @param b a byte.
|
1156 |
|
|
* @param s1 a short.
|
1157 |
|
|
* @param s2 another short.
|
1158 |
|
|
*/
|
1159 |
|
|
private void put122(final int b, final int s1, final int s2) {
|
1160 |
|
|
pool.put12(b, s1).putShort(s2);
|
1161 |
|
|
}
|
1162 |
|
|
}
|