finalwq

proj3/examples/hello.scala

@@ -0,0 +1,6 @@
+
+def hello(x:Int) =
+    new Array[Int](x + getchar());
+val arr = hello(5);
+arr(0) = toInt('H'); arr(1) = toInt('e'); arr(2) = toInt('l'); arr(3) = toInt('l'); arr(4) = toInt('o');
+putchar(arr(3));putchar(arr(4));putchar(arr(2));arr(0)

proj3/examples/pow.scala

@@ -0,0 +1,17 @@
+def even(x: Int) : Boolean = 
+    toInt(toChar(x * 128)) == 0;
+def pow(x: Int, y: Int): Int =
+    if (y == 0) 1
+    else if (even(y)) {
+        val t = pow(x, y / 2);
+        t*t 
+    } else {
+    x * pow(x, y - 1)
+    };
+var i = 30; var res = 0;
+
+while(i > 0) {
+    res = res + pow(2, i);
+    i = i - 1; ()
+};
+res

proj3/examples/simp_loop.scala

@@ -0,0 +1,7 @@
+var x = 2;
+var y = 0;
+while ({ if (y < 3) true else y < 4}) {
+  x = x * x;
+  y = y + 1; ()
+};
+x