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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.classfile.instruction;
/**
* This Instruction represents a simple instruction without variable arguments
* or constant pool references.
*
* @author Eric Lafortune
*/
public abstract class SwitchInstruction extends Instruction
{
public int defaultOffset;
public int[] jumpOffsets;
/**
* Creates an uninitialized SwitchInstruction.
*/
public SwitchInstruction() {}
/**
* Creates a new SwitchInstruction with the given arguments.
*/
public SwitchInstruction(byte opcode,
int defaultOffset,
int[] jumpOffsets)
{
this.opcode = opcode;
this.defaultOffset = defaultOffset;
this.jumpOffsets = jumpOffsets;
}
/**
* Copies the given instruction into this instruction.
* @param switchInstruction the instruction to be copied.
* @return this instruction.
*/
public SwitchInstruction copy(SwitchInstruction switchInstruction)
{
this.opcode = switchInstruction.opcode;
this.defaultOffset = switchInstruction.defaultOffset;
this.jumpOffsets = switchInstruction.jumpOffsets;
return this;
}
// Implementations for Instruction.
public String toString(int offset)
{
return "["+offset+"] "+toString()+" (target="+(offset+defaultOffset)+")";
}
// Implementations for Object.
public String toString()
{
return getName()+" ("+jumpOffsets.length+" offsets, default="+defaultOffset+")";
}
}
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