- 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/>.
- */
-
- /**
- * FCONST - Push 0.0, 1.0 or 2.0, other values cause an exception
- *
- * <PRE>Stack: ... -> ..., <i></PRE>
- *
- * @version $Id: FCONST.java,v 1.1.1.1 2001/10/29 20:00:11 jvanzyl Exp $
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- */
- public class FCONST extends Instruction
- implements ConstantPushInstruction, TypedInstruction {
- private float value;
-
- /**
- * Empty constructor needed for the Class.newInstance() statement in
- * Instruction.readInstruction(). Not to be used otherwise.
- */
- FCONST() {}
-
- public FCONST(float f) {
- super(com.sun.org.apache.bcel.internal.Constants.FCONST_0, (short)1);
-
- if(f == 0.0)
- opcode = com.sun.org.apache.bcel.internal.Constants.FCONST_0;
- else if(f == 1.0)
- opcode = com.sun.org.apache.bcel.internal.Constants.FCONST_1;
- else if(f == 2.0)
- opcode = com.sun.org.apache.bcel.internal.Constants.FCONST_2;
- else
- throw new ClassGenException("FCONST can be used only for 0.0, 1.0 and 2.0: " + f);
-
- value = f;
- }
-
- public Number getValue() { return new Float(value); }
-
- /** @return Type.FLOAT
- */
- public Type getType(ConstantPoolGen cp) {
- return Type.FLOAT;
- }
-
-
- /**
- * 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.visitFCONST(this);
- }
- }