codegen progress

c_compiler/code.c

@@ -1,6 +1,4 @@
-int x = 5;
-
-int add(int a, int b) { return a + b; }
+int var_x = 5;
 
 int factorial(int n) {
   if (n <= 1) {
@@ -10,12 +8,7 @@ int factorial(int n) {
 }
 
 int main() {
-  int x;
-  x = 5;
-  int x = 5;
-  int result;
-  int result = 5;
-  result = x + factorial(5);
+  int result = var_x + factorial(5);
   print(result);
   return 0;
 }