replace evaluator in repl to the VM

src/main.c

@@ -33,6 +33,7 @@ main()
   char line[LINE_MAX_LENGTH], last_char;
   int char_index;
   pic_value v;
+  struct pic_proc *proc;
 
   pic = pic_open();
 
@@ -54,7 +55,10 @@ main()
     /* echo */
     v = pic_parse(pic, line);
 
-    pic_debug(pic, pic_eval(pic, v, pic->global_env));
+    //pic_debug(pic, pic_eval(pic, v, pic->global_env));
+    proc = pic_codegen(pic, v, pic->global_env);
+    v = pic_run(pic, proc, pic_nil_value());
+    pic_debug(pic, v);
     printf("\n");
   }
 

src/vm.c

@@ -138,6 +138,7 @@ pic_codegen(pic_state *pic, pic_value obj, struct pic_env *env)
   return proc;
 }
 
+#if 0
 int
 main()
 {
@@ -164,3 +165,4 @@ main()
 
   return 0;
 }
+#endif