content: /**
   * 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;
  
  
  public class LLoadEvaluator extends AbstractInstructionEvaluator {
  
    public LLoadEvaluator(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_LLOAD:
        operateLoadInstruction(ins, ins.getArgUnsignedWide());
        break;
      case OPCODE_LLOAD_0:
      case OPCODE_LLOAD_1:
      case OPCODE_LLOAD_2:
      case OPCODE_LLOAD_3:
        operateLoadInstruction(ins, ins.opcode - OPCODE_LLOAD_0);
        break;
  
      }
  
    }
  
    private void operateLoadInstruction(Instruction ins,
        int variableIndexToSymbolTable) {
      Variable var = new Variable(varTable, JVM_TYPE_LONG,
          variableIndexToSymbolTable, ins.currentPc);
      evalMachine.push(var);
    }
  
    /*
     * (non-Javadoc)
     * 
     * @see net.sf.jrevpro.decompile.instructioneval.AbstractInstructionEvaluator
     * #getProcessingOpcodes()
     */
    @Override
    Iterable<Integer> getProcessingOpcodes() {
      return Arrays.asList(OPCODE_LLOAD, OPCODE_LLOAD_0, OPCODE_LLOAD_1,
          OPCODE_LLOAD_2, OPCODE_LLOAD_3);
    }
  
  }
  