/**
* @(#) ILoadEvaluator.java
*
* JReversePro - Java Decompiler / Disassembler.
* Copyright (C) 2008 Karthik Kumar.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
package org.jreversepro.ast.evaluator;
import java.util.Arrays;
import org.jreversepro.ast.expression.Variable;
import org.jreversepro.reflect.instruction.Instruction;
/**
* @author akkumar
*
*/
public class ILoadEvaluator extends AbstractInstructionEvaluator {
/**
* @param context
*/
public ILoadEvaluator(EvaluatorContext context) {
super(context);
}
/*
* (non-Javadoc)
*
* @see net.sf.jrevpro.decompile.instructioneval.AbstractInstructionEvaluator
* #evaluate(net.sf.jrevpro.reflect.instruction.Instruction)
*/
@Override
void evaluate(Instruction ins) {
switch (ins.opcode) {
case OPCODE_ILOAD:
operateLoadInstruction(ins, ins.getArgUnsignedWide());
break;
case OPCODE_ILOAD_0:
case OPCODE_ILOAD_1:
case OPCODE_ILOAD_2:
case OPCODE_ILOAD_3:
operateLoadInstruction(ins, ins.opcode - OPCODE_ILOAD_0);
break;
}
}
protected void operateLoadInstruction(Instruction ins,
int variableIndexToSymbolTable) {
Variable var = new Variable(varTable, JVM_TYPE_INT,
variableIndexToSymbolTable, ins.currentPc);
evalMachine.push(var);
}
/*
* (non-Javadoc)
*
* @see net.sf.jrevpro.decompile.instructioneval.AbstractInstructionEvaluator
* #getProcessingOpcodes()
*/
@Override
Iterable<Integer> getProcessingOpcodes() {
return Arrays.asList(OPCODE_ILOAD, OPCODE_ILOAD_0, OPCODE_ILOAD_1,
OPCODE_ILOAD_2, OPCODE_ILOAD_3);
}
}