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author | Jason van Zyl <jvanzyl@apache.org> | 2001-10-29 19:59:54 +0000 |
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committer | Jason van Zyl <jvanzyl@apache.org> | 2001-10-29 19:59:54 +0000 |
commit | 96ac0670cf9944d4912ab25ec885a4bea651443d (patch) | |
tree | 485cb3c3d889d1e3db129b44e60f6714924314c7 /src/java/org/apache/bcel/generic/LCONST.java | |
parent | 32e0972903c55452f01defb3322dc0ce9ef0dd58 (diff) | |
download | apache-commons-bcel-96ac0670cf9944d4912ab25ec885a4bea651443d.tar.gz |
Initial revision
git-svn-id: https://svn.apache.org/repos/asf/jakarta/bcel/trunk@152690 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'src/java/org/apache/bcel/generic/LCONST.java')
-rw-r--r-- | src/java/org/apache/bcel/generic/LCONST.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/java/org/apache/bcel/generic/LCONST.java b/src/java/org/apache/bcel/generic/LCONST.java new file mode 100644 index 00000000..a0ca5433 --- /dev/null +++ b/src/java/org/apache/bcel/generic/LCONST.java @@ -0,0 +1,112 @@ +package org.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/>. + */ + +/** + * LCONST - Push 0 or 1, other values cause an exception + * + * <PRE>Stack: ... -> ..., <i></PRE> + * + * @version $Id$ + * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> + */ +public class LCONST extends Instruction + implements ConstantPushInstruction, TypedInstruction { + private long value; + + /** + * Empty constructor needed for the Class.newInstance() statement in + * Instruction.readInstruction(). Not to be used otherwise. + */ + LCONST() {} + + public LCONST(long l) { + super(org.apache.bcel.Constants.LCONST_0, (short)1); + + if(l == 0) + opcode = org.apache.bcel.Constants.LCONST_0; + else if(l == 1) + opcode = org.apache.bcel.Constants.LCONST_1; + else + throw new ClassGenException("LCONST can be used only for 0 and 1: " + l); + + value = l; + } + + public Number getValue() { return new Long(value); } + + /** @return Type.LONG + */ + public Type getType(ConstantPoolGen cp) { + return Type.LONG; + } + + + /** + * 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.visitPushInstruction(this); + v.visitStackProducer(this); + v.visitTypedInstruction(this); + v.visitConstantPushInstruction(this); + v.visitLCONST(this); + } +} |