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package com.sun.jdo.api.persistence.enhancer.classfile;

import java.io.PrintStream;

/**
 * Special instruction form for the opc_lookupswitch instruction
 */

public class InsnLookupSwitch extends Insn {
  /* The target for the default case */
  private InsnTarget defaultOp;

  /* The int constants against which to perform the lookup */
  private int[] matchesOp;

  /* The branch targets for the cases corresponding to the entries in
   * the matchesOp array */
  private InsnTarget[] targetsOp;

  /* public accessors */

  public int nStackArgs() {
    return 1;
  }

  public int nStackResults() {
    return 0;
  }

  /**
   * What are the types of the stack operands ?
   */
  public String argTypes() {
      return "I";//NOI18N
  }

  /**
   * What are the types of the stack results?
   */
  public String resultTypes() {
      return "";//NOI18N
  }

  public boolean branches() {
    return true;
  }

  /**
   * Mark possible branch targets
   */
  public void markTargets() {
    defaultOp.setBranchTarget();
    for (int i=0; i " + targetsOp[i].offset());//NOI18N
    }
    ClassPrint.spaces(out, indent+2);
    out.println("default -> " + defaultOp.offset());//NOI18N
  }

  int store(byte[] buf, int index) {
    buf[index++] = (byte) opcode();
    index = (index + 3) & ~3;
    index = storeInt(buf, index, defaultOp.offset() - offset());
    index = storeInt(buf, index, targetsOp.length);
    for (int i=0; i 0; pads--)
      insnEnv.getByte();
    InsnTarget defaultTarget = insnEnv.getTarget(insnEnv.getInt() + myPC);
    int npairs = insnEnv.getInt();
    int matches[] = new int[npairs];
    InsnTarget[] offsets = new InsnTarget[npairs];
    for (int i=0; i