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Diffstat (limited to 'bcel-builder/src/org/aspectj/apache/bcel/generic/LDC.java')
| -rw-r--r-- | bcel-builder/src/org/aspectj/apache/bcel/generic/LDC.java | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/bcel-builder/src/org/aspectj/apache/bcel/generic/LDC.java b/bcel-builder/src/org/aspectj/apache/bcel/generic/LDC.java deleted file mode 100644 index dfe293e14..000000000 --- a/bcel-builder/src/org/aspectj/apache/bcel/generic/LDC.java +++ /dev/null @@ -1,172 +0,0 @@ -package org.aspectj.apache.bcel.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 org.aspectj.apache.bcel.util.ByteSequence; - -/** - * LDC - Push item from constant pool. - * - * <PRE>Stack: ... -> ..., item</PRE> - * - * @version $Id: LDC.java,v 1.2 2004/11/19 16:45:18 aclement Exp $ - * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> - */ -public class LDC extends CPInstruction - implements PushInstruction, ExceptionThrower, TypedInstruction { - /** - * Empty constructor needed for the Class.newInstance() statement in - * Instruction.readInstruction(). Not to be used otherwise. - */ - LDC() {} - - public LDC(int index) { - super(org.aspectj.apache.bcel.Constants.LDC_W, index); - setSize(); - } - - // Adjust to proper size - protected final void setSize() { - if(index <= org.aspectj.apache.bcel.Constants.MAX_BYTE) { // Fits in one byte? - opcode = org.aspectj.apache.bcel.Constants.LDC; - length = 2; - } else { - opcode = org.aspectj.apache.bcel.Constants.LDC_W; - length = 3; - } - } - - /** - * Dump instruction as byte code to stream out. - * @param out Output stream - */ - public void dump(DataOutputStream out) throws IOException { - out.writeByte(opcode); - - if(length == 2) - out.writeByte(index); - else // Applies for LDC_W - out.writeShort(index); - } - - /** - * Set the index to constant pool and adjust size. - */ - public final void setIndex(int index) { - super.setIndex(index); - setSize(); - } - - /** - * Read needed data (e.g. index) from file. - */ - protected void initFromFile(ByteSequence bytes, boolean wide) - throws IOException - { - length = 2; - index = bytes.readUnsignedByte(); - } - - public Object getValue(ConstantPoolGen cpg) { - org.aspectj.apache.bcel.classfile.Constant c = cpg.getConstantPool().getConstant(index); - - switch(c.getTag()) { - case org.aspectj.apache.bcel.Constants.CONSTANT_String: - int i = ((org.aspectj.apache.bcel.classfile.ConstantString)c).getStringIndex(); - c = cpg.getConstantPool().getConstant(i); - return ((org.aspectj.apache.bcel.classfile.ConstantUtf8)c).getBytes(); - - case org.aspectj.apache.bcel.Constants.CONSTANT_Float: - return new Float(((org.aspectj.apache.bcel.classfile.ConstantFloat)c).getBytes()); - - case org.aspectj.apache.bcel.Constants.CONSTANT_Integer: - return new Integer(((org.aspectj.apache.bcel.classfile.ConstantInteger)c).getBytes()); - - default: // Never reached - throw new RuntimeException("Unknown or invalid constant type at " + index); - } - } - - public Type getType(ConstantPoolGen cpg) { - switch(cpg.getConstantPool().getConstant(index).getTag()) { - case org.aspectj.apache.bcel.Constants.CONSTANT_String: return Type.STRING; - case org.aspectj.apache.bcel.Constants.CONSTANT_Float: return Type.FLOAT; - case org.aspectj.apache.bcel.Constants.CONSTANT_Integer: return Type.INT; - default: // Never reached - throw new RuntimeException("Unknown or invalid constant type at " + index); - } - } - - public Class[] getExceptions() { - return org.aspectj.apache.bcel.ExceptionConstants.EXCS_STRING_RESOLUTION; - } - - /** - * Call corresponding visitor method(s). The order is: - * Call visitor methods of implemented interfaces first, then - * call methods according to the class hierarchy in descending order, - * i.e., the most specific visitXXX() call comes last. - * - * @param v Visitor object - */ - public void accept(Visitor v) { - v.visitStackProducer(this); - v.visitPushInstruction(this); - v.visitExceptionThrower(this); - v.visitTypedInstruction(this); - v.visitCPInstruction(this); - v.visitLDC(this); - } -} |