diff options
Diffstat (limited to 'src/com/sun/org/apache/bcel/internal/generic/CPInstruction.java')
| -rw-r--r-- | src/com/sun/org/apache/bcel/internal/generic/CPInstruction.java | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/com/sun/org/apache/bcel/internal/generic/CPInstruction.java b/src/com/sun/org/apache/bcel/internal/generic/CPInstruction.java deleted file mode 100644 index 5f9650b..0000000 --- a/src/com/sun/org/apache/bcel/internal/generic/CPInstruction.java +++ /dev/null @@ -1,169 +0,0 @@ -/* - * reserved comment block - * DO NOT REMOVE OR ALTER! - */ -package com.sun.org.apache.bcel.internal.generic; - -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2001 The Apache Software Foundation. All rights - * reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. The end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "Apache" and "Apache Software Foundation" and - * "Apache BCEL" must not be used to endorse or promote products - * derived from this software without prior written permission. For - * written permission, please contact apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache", - * "Apache BCEL", nor may "Apache" appear in their name, without - * prior written permission of the Apache Software Foundation. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - */ - -import java.io.*; -import com.sun.org.apache.bcel.internal.util.ByteSequence; -import com.sun.org.apache.bcel.internal.Constants; -import com.sun.org.apache.bcel.internal.classfile.*; - -/** - * Abstract super class for instructions that use an index into the - * constant pool such as LDC, INVOKEVIRTUAL, etc. - * - * @see ConstantPoolGen - * @see LDC - * @see INVOKEVIRTUAL - * - * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> - */ -public abstract class CPInstruction extends Instruction - implements TypedInstruction, IndexedInstruction -{ - protected int index; // index to constant pool - - /** - * Empty constructor needed for the Class.newInstance() statement in - * Instruction.readInstruction(). Not to be used otherwise. - */ - CPInstruction() {} - - /** - * @param index to constant pool - */ - protected CPInstruction(short opcode, int index) { - super(opcode, (short)3); - setIndex(index); - } - - /** - * Dump instruction as byte code to stream out. - * @param out Output stream - */ - public void dump(DataOutputStream out) throws IOException { - out.writeByte(opcode); - out.writeShort(index); - } - - /** - * Long output format: - * - * <name of opcode> "["<opcode number>"]" - * "("<length of instruction>")" "<"< constant pool index>">" - * - * @param verbose long/short format switch - * @return mnemonic for instruction - */ - public String toString(boolean verbose) { - return super.toString(verbose) + " " + index; - } - - /** - * @return mnemonic for instruction with symbolic references resolved - */ - public String toString(ConstantPool cp) { - Constant c = cp.getConstant(index); - String str = cp.constantToString(c); - - if(c instanceof ConstantClass) - str = str.replace('.', '/'); - - return com.sun.org.apache.bcel.internal.Constants.OPCODE_NAMES[opcode] + " " + str; - } - - /** - * Read needed data (i.e., index) from file. - * @param bytes input stream - * @param wide wide prefix? - */ - protected void initFromFile(ByteSequence bytes, boolean wide) - throws IOException - { - setIndex(bytes.readUnsignedShort()); - length = 3; - } - - /** - * @return index in constant pool referred by this instruction. - */ - public final int getIndex() { return index; } - - /** - * Set the index to constant pool. - * @param index in constant pool. - */ - public void setIndex(int index) { - if(index < 0) - throw new ClassGenException("Negative index value: " + index); - - this.index = index; - } - - /** @return type related with this instruction. - */ - public Type getType(ConstantPoolGen cpg) { - ConstantPool cp = cpg.getConstantPool(); - String name = cp.getConstantString(index, com.sun.org.apache.bcel.internal.Constants.CONSTANT_Class); - - if(!name.startsWith("[")) - name = "L" + name + ";"; - - return Type.getType(name); - } -} |