run "main" module as default

src/PikaObj.c

@@ -942,20 +942,36 @@ PikaObj* obj_linkLibObj(PikaObj* self, LibObj* library) {
     return self;
 }
 
-int obj_importModule(PikaObj* self, char* module_name) {
+uint8_t* obj_getModuleByteCode(PikaObj* self, char* module_name) {
     /* exit when no found '__lib' */
     if (!obj_isArgExist(self, "__lib")) {
-        return 1;
+        return NULL;
     }
     /* find module from the library */
     LibObj* lib = obj_getPtr(self, "__lib");
     PikaObj* module = obj_getObj(lib, module_name);
     /* exit when no module in '__lib' */
     if (NULL == module) {
+        return NULL;
+    }
+    return obj_getPtr(module, "bytecode");
+}
+
+int obj_runModule(PikaObj* self, char* module_name) {
+    uint8_t* bytecode = obj_getModuleByteCode(self, module_name);
+    if (NULL == bytecode) {
         return 1;
     }
+    pikaVM_runByteCode(self, bytecode);
+    return 0;
+}
+
+int obj_importModule(PikaObj* self, char* module_name) {
     /* import bytecode of the module */
-    uint8_t* bytecode = obj_getPtr(module, "bytecode");
+    uint8_t* bytecode = obj_getModuleByteCode(self, module_name);
+    if (NULL == bytecode) {
+        return 1;
+    }
     obj_importModuleWithByteCode(self, module_name, bytecode);
     return 0;
 }

src/PikaObj.h

@@ -250,6 +250,7 @@ PikaObj* obj_linkLibrary(PikaObj* self, uint8_t* library_bytes);
 int obj_importModule(PikaObj* self, char* module_name);
 int32_t obj_newMetaObj(PikaObj* self, char* objName, NewFun newFunPtr);
 int32_t obj_newDirectObj(PikaObj* self, char* objName, NewFun newFunPtr);
+int obj_runModule(PikaObj* self, char* module_name);
 
 #define PIKA_PYTHON_BEGIN
 #define PIKA_PYTHON(x)

src/pika_config_valid.h

@@ -39,6 +39,7 @@
         #define PIKA_BUILTIN_LIST_ENABLE 0
         #define PIKA_BUILTIN_DICT_ENABLE 0
         #define PIKA_READ_FILE_BUFF_SIZE 0x10000
+        #define PIKA_INIT_STRING_ENABLE 0
     
     /* optimize options */
         #define PIKA_OPTIMIZE_SIZE 0
@@ -75,11 +76,15 @@
         #define PIKA_BUILTIN_DICT_ENABLE 0
         #undef PIKA_BUILTIN_LIST_ENABLE
         #define PIKA_BUILTIN_LIST_ENABLE 0
+        #undef PIKA_INIT_STRING_ENABLE
+        #define PIKA_INIT_STRING_ENABLE 0
     #elif PIKA_SYNTAX_LEVEL == PIKA_SYNTAX_LEVEL_MAXIMAL
         #undef PIKA_BUILTIN_DICT_ENABLE
         #define PIKA_BUILTIN_DICT_ENABLE 1
         #undef PIKA_BUILTIN_LIST_ENABLE
         #define PIKA_BUILTIN_LIST_ENABLE 1
+        #undef PIKA_INIT_STRING_ENABLE
+        #define PIKA_INIT_STRING_ENABLE 1
     #endif
 
     /* configuration validation */

tools/pikaCompiler/src/class_info.rs

@@ -148,6 +148,7 @@ impl ClassInfo {
         /* use obj_run to run the script in main.pyi */
         script_fn.push_str("    extern unsigned char pikaModules_py_a[];\n");
         script_fn.push_str("    obj_linkLibrary(__pikaMain, pikaModules_py_a);\n");
+        script_fn.push_str("#if PIKA_INIT_STRING_ENABLE\n");
         script_fn.push_str("    obj_run(__pikaMain,\n");
         /* get the origin script content */
         let script_content_origin = String::from(&self.script_list.content);
@@ -164,6 +165,9 @@ impl ClassInfo {
         script_fn.push_str(&script_content);
         /* add the END of script string */
         script_fn.push_str("            \"\\n\");\n");
+        script_fn.push_str("#else \n");
+        script_fn.push_str("    obj_runModule(__pikaMain, \"main\");\n");
+        script_fn.push_str("#endif\n");
         script_fn.push_str("    return __pikaMain;\r\n");
         script_fn.push_str("}\r\n\r\n");
         return script_fn;