control.java

来自「脚本开发工具和源代码,用于J2me中RPG游戏的脚本开发和执行,相当好用的一套工」· Java 代码 · 共 67 行

package scriptedit;

import java.util.*;
import scriptedit.data.*;
/**
 * <p>Title: Control</p>
 * <p>Description: 2006年3月31日</p>
 * <p>Copyright: CoCoMo Copyright (c) 2006</p>
 * <p>Company: 9you</p>
 * @author 郭昉
 * @version 1.1
 */

public class Control {
  public static final int STATUS_NORMAL = 0;
  public static final int STATUS_IF_EXP = 1;
  public static final int STATUS_IF_STM = 2;
  public static final int STATUS_WHILE_EXP = 3;
  public static final int STATUS_WHILE_STM = 4;

  private static Stack jcStack = new Stack(); //跳转指令栈
  private static int pc = 0;                  //程序计数器
  private static int status = STATUS_NORMAL;
  public Control() {
  }

  public static void pushJC(Instruction ins) {
    jcStack.push(ins);
  }

  public static Instruction popJC() {
    return (Instruction) jcStack.pop();
  }

  public static Instruction peekJC() {
    return (Instruction) jcStack.peek();
  }

  public static int getJCSize() {
    return jcStack.size();
  }

  public static void setInsStatus(int s) {
    status = s;
  }

  public static int getInsStatus() {
    return status;
  }

  public static void nextPC() {
    pc++;
  }

  public static void setPC(int n) {
    pc = n;
  }

  public static int getPC() {
    return pc;
  }

  public static void printPC() {
    System.out.println("Instruction count:" + pc);
  }
}