P99.java

import exp.*;
import flowd.*;

class P99 extends FunNode {
  P99(){
    super("P99");
    Var i = addVar("i");
    Var j = addVar("j");
    
    addBeginNode("L0");
    addExpNode("L1", new SetByOp(i, new Lit(0))); // i = 1
    
    Next1Node L2 = addExpNode("L2", new SetByOp(j, new Lit(1))); // j = 1
    Next1Node L3 = addExpNode("L3", new AddByOp(i, new Lit(1))); // i++
    Next2Node L4 = addBranchNode("L4", new LtOp(i, new Lit(10))); // i < 10
    
    Next2Node L5 = addBranchNode("L5", new LtOp(j, new Lit(10))); // j < 10
    Next2Node L6 = addBranchNode("L6", new EqOp(j, new Lit(9))); // j == 9
    Next1Node L7 = addPrintlnNode("L7", new MulOp(i, j)); // println(i * j)
    Next1Node L8 = addPrintspNode("L8", new MulOp(i, j)); // print(i * j)
    Next1Node L9 = addExpNode("L9", new AddByOp(j, new Lit(1))); // j++
    Next0Node L10 = addEndNode("L10");
    
    setStraightNext();
    L4.setNext(L5, L10);
    L5.setNext(L6, L2);
    L6.setNext(L7, L8);
    L7.setNext(L9);
    L9.setNext(L5);
  }
  
  public static void main(String[] args){
    FunNode p99 = new P99();
    p99.print();
    p99.execute();
  }
}

/*
D:\exam>javac *.java && java P99
P99()
        VAR i, j
L0      BEGIN           GOTO L1
L1      (i=0.0) GOTO L2
L2      (j=1.0) GOTO L3
L3      (i+=1.0)        GOTO L4
L4      IF (i<10.0) L5 ELSE L10
L5      IF (j<10.0) L6 ELSE L2
L6      IF (j==9.0) L7 ELSE L8
L7      PRINTLN (i*j)   GOTO L9
L8      PRINTSP (i*j)   GOTO L9
L9      (j+=1.0)        GOTO L5
L10     END

1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0
2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0
3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0 27.0
4.0 8.0 12.0 16.0 20.0 24.0 28.0 32.0 36.0
5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0
6.0 12.0 18.0 24.0 30.0 36.0 42.0 48.0 54.0
7.0 14.0 21.0 28.0 35.0 42.0 49.0 56.0 63.0
8.0 16.0 24.0 32.0 40.0 48.0 56.0 64.0 72.0
9.0 18.0 27.0 36.0 45.0 54.0 63.0 72.0 81.0
*/