issue #198 Refactored api that puts all of the codegen at the compiler end, making the way for an AOT solution

src/ravi_complib.c

@@ -47,19 +47,20 @@ static int load_and_compile(lua_State* L) {
                                                       .context = &ccontext,
                                                       .debug_message = debug_message,
                                                       .error_message = error_message};
-
+  snprintf(ravicomp_interface.main_func_name, sizeof ravicomp_interface.main_func_name, "__luachunk_%lld",
+           ccontext.jit->id++);
   int rc = raviX_compile(&ravicomp_interface);
+  if (ravicomp_interface.generated_code) {
+    fprintf(stdout, "%s\n", ravicomp_interface.generated_code);
+  }
   if (rc == 0) {
 #ifdef USE_MIRJIT
     LClosure* (*load_in_lua)(lua_State * L) = NULL;
-
-    fprintf(stdout, "%s\n", ravicomp_interface.generated_code);
-
     mir_prepare(ccontext.jit->jit, 2);
     MIR_module_t M =
         mir_compile_C_module(&ccontext.jit->options, ccontext.jit->jit, ravicomp_interface.generated_code, "input");
     if (M != NULL) {
-      load_in_lua = mir_get_func(ccontext.jit->jit, M, "load_in_lua");
+      load_in_lua = mir_get_func(ccontext.jit->jit, M, ravicomp_interface.main_func_name);
     }
     mir_cleanup(ccontext.jit->jit);
     if (load_in_lua) {
@@ -76,10 +77,16 @@ static int load_and_compile(lua_State* L) {
       }
     }
     else {
-      return 0;
+      rc = -1;
+    }
+    if (ravicomp_interface.generated_code) {
+      free((void *)ravicomp_interface.generated_code);
     }
-    return 1;
+    return rc == 0 ? 1 : 0;
 #else
+    if (ravicomp_interface.generated_code) {
+      free(ravicomp_interface.generated_code);
+    }
     return 0;
 #endif
   }
@@ -94,4 +101,4 @@ static const luaL_Reg ravilib[] = {{"load", load_and_compile}, {NULL, NULL}};
 int(raviopen_compiler)(lua_State* L) {
   luaL_newlib(L, ravilib);
   return 1;
-}
+}