/*
* Copyright (C) 2011 Stephane Godbillon
*
* This file is part of BytecodeParser. See the README file in the root
* directory of this project.
*
* BytecodeParser is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* BytecodeParser 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 Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License
* along with BytecodeParser. If not, see <http://www.gnu.org/licenses/>.
*/
package bytecodeparser.analysis.opcodes;
import bytecodeparser.Context;
import bytecodeparser.analysis.decoders.DecodedLocalVariableOp;
/**
* An opcode concerning a local variable (read, write).
* @author Stephane Godbillon
*
*/
public class LocalVariableOpcode extends Op {
private final int base;
private final boolean load;
public LocalVariableOpcode(int code, boolean load) {
this(code, code, load);
}
public LocalVariableOpcode(int code, int base, boolean load) {
super(code);
this.base = base;
this.load = load;
}
@Override
public DecodedLocalVariableOp decode(Context context, int index) {
return new DecodedLocalVariableOp(this, context, index, false);
}
public DecodedLocalVariableOp decodeWide(Context context, int index) {
return new DecodedLocalVariableOp(this, context, index, true);
}
public int getBaseOpcode() {
return base;
}
/**
* States if this opcode is a read (load -> true) or a write (store -> false).
* @return
*/
public boolean isLoad() {
return load;
}
@Override
public String toString() {
return "LocalVariableOp: " + getName();
}
}