Initial commit from sysy-main

test/format-test.sy

@@ -0,0 +1,30 @@
+int get_one(int a)
+{
+  return 1;
+}
+
+
+
+int deepWhileBr(int a,int b){
+  int c;
+    c = a + b;
+  while(c<75) {
+  int d; d=42;
+    if (c<100) {
+      c =c+d;
+      if (c > 99) {
+        int e;
+        e = d*2;
+        if (get_one(0)==1) c=e * 2;
+      }
+    }
+  }
+  return (c);
+}
+int main() {
+  int p;
+  p = 2;
+  p = deepWhileBr(p, p);
+  putint(p);
+  return 0;
+}