You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
4.8 KiB
110 lines
4.8 KiB
/*
|
|
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*/
|
|
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/>.
|
|
*/
|
|
|
|
/**
|
|
* Super class for instructions dealing with array access such as IALOAD.
|
|
*
|
|
* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
|
|
*/
|
|
public abstract class ArrayInstruction extends Instruction
|
|
implements ExceptionThrower, TypedInstruction {
|
|
/**
|
|
* Empty constructor needed for the Class.newInstance() statement in
|
|
* Instruction.readInstruction(). Not to be used otherwise.
|
|
*/
|
|
ArrayInstruction() {}
|
|
|
|
/**
|
|
* @param opcode of instruction
|
|
*/
|
|
protected ArrayInstruction(short opcode) {
|
|
super(opcode, (short)1);
|
|
}
|
|
|
|
public Class[] getExceptions() {
|
|
return com.sun.org.apache.bcel.internal.ExceptionConstants.EXCS_ARRAY_EXCEPTION;
|
|
}
|
|
|
|
/** @return type associated with the instruction
|
|
*/
|
|
public Type getType(ConstantPoolGen cp) {
|
|
switch(opcode) {
|
|
case com.sun.org.apache.bcel.internal.Constants.IALOAD: case com.sun.org.apache.bcel.internal.Constants.IASTORE:
|
|
return Type.INT;
|
|
case com.sun.org.apache.bcel.internal.Constants.CALOAD: case com.sun.org.apache.bcel.internal.Constants.CASTORE:
|
|
return Type.CHAR;
|
|
case com.sun.org.apache.bcel.internal.Constants.BALOAD: case com.sun.org.apache.bcel.internal.Constants.BASTORE:
|
|
return Type.BYTE;
|
|
case com.sun.org.apache.bcel.internal.Constants.SALOAD: case com.sun.org.apache.bcel.internal.Constants.SASTORE:
|
|
return Type.SHORT;
|
|
case com.sun.org.apache.bcel.internal.Constants.LALOAD: case com.sun.org.apache.bcel.internal.Constants.LASTORE:
|
|
return Type.LONG;
|
|
case com.sun.org.apache.bcel.internal.Constants.DALOAD: case com.sun.org.apache.bcel.internal.Constants.DASTORE:
|
|
return Type.DOUBLE;
|
|
case com.sun.org.apache.bcel.internal.Constants.FALOAD: case com.sun.org.apache.bcel.internal.Constants.FASTORE:
|
|
return Type.FLOAT;
|
|
case com.sun.org.apache.bcel.internal.Constants.AALOAD: case com.sun.org.apache.bcel.internal.Constants.AASTORE:
|
|
return Type.OBJECT;
|
|
|
|
default: throw new ClassGenException("Oops: unknown case in switch" + opcode);
|
|
}
|
|
}
|
|
}
|