diff --git a/package/PikaStdLib/PikaStdData_Dict.c b/package/PikaStdLib/PikaStdData_Dict.c
index 124a9d4a8..20bd1cffe 100644
--- a/package/PikaStdLib/PikaStdData_Dict.c
+++ b/package/PikaStdLib/PikaStdData_Dict.c
@@ -101,7 +101,7 @@ Arg* PikaStdData_dict_keys___next__(PikaObj* self) {
     return res;
 }
 
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg);
+char* builtins_str(PikaObj* self, Arg* arg);
 char* PikaStdData_dict_keys___str__(PikaObj* self) {
     Arg* str_arg = arg_newStr("dict_keys([");
     PikaObj* dictptr = obj_getPtr(self, "dictptr");
@@ -116,7 +116,7 @@ char* PikaStdData_dict_keys___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         if (arg_getType(item) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
@@ -151,13 +151,13 @@ char* PikaStdData_Dict___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* key_str = PikaStdLib_SysObj_str(self, item_key);
+        char* key_str = builtins_str(self, item_key);
         str_arg = arg_strAppend(str_arg, "'");
         str_arg = arg_strAppend(str_arg, key_str);
         str_arg = arg_strAppend(str_arg, "'");
         str_arg = arg_strAppend(str_arg, ": ");
 
-        char* val_str = PikaStdLib_SysObj_str(self, item_val);
+        char* val_str = builtins_str(self, item_val);
         if (arg_getType(item_val) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
@@ -248,7 +248,7 @@ char* PikaStdData_dict_items___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         str_arg = arg_strAppend(str_arg, item_str);
         i++;
         arg_deinit(item);
diff --git a/package/PikaStdLib/PikaStdData_List.c b/package/PikaStdLib/PikaStdData_List.c
index 5d085177c..ab11cbc9b 100644
--- a/package/PikaStdLib/PikaStdData_List.c
+++ b/package/PikaStdLib/PikaStdData_List.c
@@ -25,7 +25,7 @@ void PikaStdData_List___init__(PikaObj* self) {
     __vm_List___init__(self);
 }
 
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg);
+char* builtins_str(PikaObj* self, Arg* arg);
 char* PikaStdData_List___str__(PikaObj* self) {
     Arg* str_arg = arg_newStr("[");
     PikaList* list = obj_getPtr(self, "list");
@@ -39,7 +39,7 @@ char* PikaStdData_List___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         if (arg_getType(item) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
diff --git a/package/PikaStdLib/PikaStdData_Tuple.c b/package/PikaStdLib/PikaStdData_Tuple.c
index 5ea8eb859..f35789729 100644
--- a/package/PikaStdLib/PikaStdData_Tuple.c
+++ b/package/PikaStdLib/PikaStdData_Tuple.c
@@ -50,7 +50,7 @@ void PikaStdData_Tuple___del__(PikaObj* self) {
     args_deinit(list);
 }
 
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg);
+char* builtins_str(PikaObj* self, Arg* arg);
 char* PikaStdData_Tuple___str__(PikaObj* self) {
     Arg* str_arg = arg_newStr("(");
     PikaList* list = obj_getPtr(self, "list");
@@ -68,7 +68,7 @@ char* PikaStdData_Tuple___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         if (arg_getType(item) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
diff --git a/package/PikaStdLib/PikaStdLib.pyi b/package/PikaStdLib/PikaStdLib.pyi
index b760becaa..474eb6761 100644
--- a/package/PikaStdLib/PikaStdLib.pyi
+++ b/package/PikaStdLib/PikaStdLib.pyi
@@ -1,5 +1,6 @@
 from PikaObj import *
 
+
 class MemChecker:
     def max(self): ...
     def now(self): ...
@@ -15,143 +16,7 @@ class MemChecker:
 
 
 class SysObj:
-    @staticmethod
-    def int(arg: any, *base) -> int: ...
-
-    @staticmethod
-    def bool(arg: any) -> bool: ...
-
-    @staticmethod
-    def float(arg: any) -> float: ...
-
-    @staticmethod
-    def str(arg: any) -> str: ...
-
-    @staticmethod
-    def iter(arg: any) -> any: ...
-
-    @staticmethod
-    def range(*ax) -> any: ...
-
-    @staticmethod
-    def print(*val, **ops): ...
-
-    @staticmethod
-    def __setitem__(obj: any, key: any, val: any) -> any: ...
-
-    @staticmethod
-    def __getitem__(obj: any, key: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def type(arg: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def isinstance(object: any, classinfo: any) -> bool: ...
-
-    @staticmethod
-    def len(arg: any) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_BUILTIN_STRUCT_ENABLE")
-    def list(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_BUILTIN_STRUCT_ENABLE")
-    def dict(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_BUILTIN_STRUCT_ENABLE")
-    def tuple(arg: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def hex(val: int) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def ord(val: str) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def chr(val: int) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def bytes(val: any) -> bytes: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_SYNTAX_FORMAT_ENABLE")
-    def cformat(fmt: str, *var) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def id(obj: any) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_FILEIO_ENABLE")
-    def open(path: str, mode: str) -> object: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def dir(obj: any) -> list: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_EXEC_ENABLE")
-    def exec(code: str): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_EXEC_ENABLE")
-    def eval(code: str) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def getattr(obj: object, name: str) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def setattr(obj: object, name: str, val: any): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def hasattr(obj: object, name: str) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def exit(): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def input(*info) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def abs(val: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def max(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def min(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def help(name: str): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def reboot(): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def clear(): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_GC_MARK_SWEEP_ENABLE")
-    def gcdump(): ...
+    pass
 
 
 @PIKA_C_MACRO_IF("0")
diff --git a/package/PikaStdLib/PikaStdLib_SysObj.c b/package/PikaStdLib/PikaStdLib_SysObj.c
index 8d3320faf..e9d4e7f66 100644
--- a/package/PikaStdLib/PikaStdLib_SysObj.c
+++ b/package/PikaStdLib/PikaStdLib_SysObj.c
@@ -4,649 +4,3 @@
 #include "PikaStdLib_StringObj.h"
 #include "PikaVM.h"
 #include "dataStrs.h"
-
-void PikaStdLib_SysObj_remove(PikaObj* self, char* argPath) {
-    obj_setErrorCode(self, 0);
-    int32_t res = obj_removeArg(self, argPath);
-    if (1 == res) {
-        obj_setSysOut(self, "[error] del: object no found.");
-        obj_setErrorCode(self, 1);
-        return;
-    }
-    if (2 == res) {
-        obj_setSysOut(self, "[error] del: arg not match.");
-        obj_setErrorCode(self, 2);
-        return;
-    }
-}
-
-Arg* _type(PikaObj* self, Arg* arg);
-
-Arg* PikaStdLib_SysObj_type(PikaObj* self, Arg* arg) {
-    return _type(self, arg);
-}
-
-pika_float PikaStdLib_SysObj_float(PikaObj* self, Arg* arg) {
-    ArgType type = arg_getType(arg);
-    if (ARG_TYPE_INT == type) {
-        return (pika_float)arg_getInt(arg);
-    }
-    if (ARG_TYPE_FLOAT == type) {
-        return (pika_float)arg_getFloat(arg);
-    }
-    if (ARG_TYPE_STRING == type) {
-        return strtod(arg_getStr(arg), NULL);
-    }
-    if (ARG_TYPE_BOOL == type) {
-        return (pika_float)arg_getBool(arg);
-    }
-    obj_setSysOut(self, "[error] convert to pika_float type failed.");
-    obj_setErrorCode(self, 1);
-    return _PIKA_FLOAT_ERR;
-}
-
-PIKA_RES _transeInt(Arg* arg, int base, int64_t* res);
-
-int PikaStdLib_SysObj_int(PikaObj* self, Arg* arg, PikaTuple* base) {
-    int64_t res = 0;
-    int64_t iBase = 10;
-    if (pikaTuple_getSize(base) > 0) {
-        if (arg_getType(arg) != ARG_TYPE_STRING &&
-            arg_getType(arg) != ARG_TYPE_BYTES) {
-            obj_setSysOut(self,
-                          "TypeError: int() can't convert non-string with "
-                          "explicit base");
-            obj_setErrorCode(self, 1);
-            return _PIKA_INT_ERR;
-        }
-        iBase = (int64_t)pikaTuple_getInt(base, 0);
-    }
-    if (_transeInt(arg, iBase, &res) == PIKA_RES_OK) {
-        return res;
-    }
-    obj_setSysOut(self, "ValueError: invalid literal for int()");
-    obj_setErrorCode(self, 1);
-    return _PIKA_INT_ERR;
-}
-
-pika_bool PikaStdLib_SysObj_bool(PikaObj* self, Arg* arg) {
-    int64_t res = 0;
-    if (_transeInt(arg, 10, &res) == PIKA_RES_OK) {
-        return res ? PIKA_TRUE : pika_false;
-    }
-    obj_setSysOut(self, "ValueError: invalid literal for bool()");
-    obj_setErrorCode(self, 1);
-    return _PIKA_BOOL_ERR;
-}
-
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg) {
-    // if (arg_getType(arg) == ARG_TYPE_BYTES) {
-    //     return obj_cacheStr(self, (char*)arg_getBytes(arg));
-    // }
-    Arg* arg_str = arg_toStrArg(arg);
-    if (NULL == arg_str) {
-        obj_setSysOut(self, "Error: convert to str type failed.");
-        obj_setErrorCode(self, 1);
-        return NULL;
-    }
-    char* str = obj_cacheStr(self, arg_getStr(arg_str));
-    arg_deinit(arg_str);
-    return str;
-}
-
-Arg* PikaStdLib_SysObj_iter(PikaObj* self, Arg* arg) {
-    /* object */
-    pika_bool bIsTemp = pika_false;
-    PikaObj* oArg = _arg_to_obj(arg, &bIsTemp);
-    NewFun _clsptr = (NewFun)oArg->constructor;
-    if (_clsptr == New_PikaStdLib_RangeObj) {
-        /* found RangeObj, return directly */
-        return arg_copy(arg);
-    }
-    /* clang-format off */
-    PIKA_PYTHON(
-    @res_iter = __iter__()
-    )
-    /* clang-format on */
-    const uint8_t bytes[] = {
-        0x08, 0x00, 0x00, 0x00, /* instruct array size */
-        0x00, 0x82, 0x01, 0x00, 0x00, 0x04, 0x0a, 0x00, /* instruct array */
-        0x14, 0x00, 0x00, 0x00,                         /* const pool size */
-        0x00, 0x5f, 0x5f, 0x69, 0x74, 0x65, 0x72, 0x5f, 0x5f, 0x00, 0x40,
-        0x72, 0x65, 0x73, 0x5f, 0x69, 0x74, 0x65, 0x72, 0x00, /* const pool */
-    };
-    Arg* res = pikaVM_runByteCodeReturn(oArg, (uint8_t*)bytes, "@res_iter");
-    if (bIsTemp) {
-        obj_refcntDec(oArg);
-    }
-    return res;
-}
-
-Arg* PikaStdLib_SysObj_range(PikaObj* self, PikaTuple* ax) {
-    /* set template arg to create rangeObj */
-    Arg* aRangeObj = arg_newDirectObj(New_PikaStdLib_RangeObj);
-    PikaObj* oRangeObj = arg_getPtr(aRangeObj);
-    RangeData tRangeData = {0};
-    if (pikaTuple_getSize(ax) == 1) {
-        int start = 0;
-        int end = arg_getInt(pikaTuple_getArg(ax, 0));
-        tRangeData.start = start;
-        tRangeData.end = end;
-        tRangeData.step = 1;
-    } else if (pikaTuple_getSize(ax) == 2) {
-        int start = arg_getInt(pikaTuple_getArg(ax, 0));
-        int end = arg_getInt(pikaTuple_getArg(ax, 1));
-        tRangeData.start = start;
-        tRangeData.end = end;
-        tRangeData.step = 1;
-    } else if (pikaTuple_getSize(ax) == 3) {
-        int start = arg_getInt(pikaTuple_getArg(ax, 0));
-        int end = arg_getInt(pikaTuple_getArg(ax, 1));
-        int step = arg_getInt(pikaTuple_getArg(ax, 2));
-        tRangeData.start = start;
-        tRangeData.end = end;
-        tRangeData.step = step;
-    }
-    tRangeData.i = tRangeData.start;
-    obj_setStruct(oRangeObj, "_", tRangeData);
-    return aRangeObj;
-}
-
-Arg* PikaStdLib_SysObj___getitem__(PikaObj* self, Arg* obj, Arg* key) {
-    return _vm_get(NULL, self, key, obj);
-}
-
-Arg* PikaStdLib_SysObj___setitem__(PikaObj* self,
-                                   Arg* obj,
-                                   Arg* key,
-                                   Arg* val) {
-    ArgType obj_type = arg_getType(obj);
-    if (ARG_TYPE_STRING == obj_type) {
-        int index = arg_getInt(key);
-        char* str_val = arg_getStr(val);
-        char* str_pyload = arg_getStr(obj);
-        str_pyload[index] = str_val[0];
-        return arg_newStr(str_pyload);
-    }
-    if (ARG_TYPE_BYTES == obj_type) {
-        int index = arg_getInt(key);
-        uint8_t byte_val = 0;
-        if (ARG_TYPE_BYTES == arg_getType(val)) {
-            uint8_t* bytes_val = arg_getBytes(val);
-            byte_val = bytes_val[0];
-        }
-        if (ARG_TYPE_INT == arg_getType(val)) {
-            byte_val = arg_getInt(val);
-        }
-        uint8_t* bytes_pyload = arg_getBytes(obj);
-        size_t bytes_len = arg_getBytesSize(obj);
-        bytes_pyload[index] = byte_val;
-        return arg_newBytes(bytes_pyload, bytes_len);
-    }
-    if (argType_isObject(obj_type)) {
-        PikaObj* arg_obj = arg_getPtr(obj);
-        obj_setArg(arg_obj, "__key", key);
-        obj_setArg(arg_obj, "__val", val);
-        /* clang-format off */
-        PIKA_PYTHON(
-        __setitem__(__key, __val)
-        )
-        /* clang-format on */
-        const uint8_t bytes[] = {
-            0x0c, 0x00, 0x00, 0x00, /* instruct array size */
-            0x10, 0x81, 0x01, 0x00, 0x10, 0x01, 0x07, 0x00, 0x00, 0x02, 0x0d,
-            0x00,
-            /* instruct array */
-            0x19, 0x00, 0x00, 0x00, /* const pool size */
-            0x00, 0x5f, 0x5f, 0x6b, 0x65, 0x79, 0x00, 0x5f, 0x5f, 0x76, 0x61,
-            0x6c, 0x00, 0x5f, 0x5f, 0x73, 0x65, 0x74, 0x69, 0x74, 0x65, 0x6d,
-            0x5f, 0x5f, 0x00,
-            /* const pool */
-        };
-        pikaVM_runByteCode(arg_obj, (uint8_t*)bytes);
-        return arg_newRef(arg_obj);
-    }
-    return NULL;
-}
-
-int PikaStdLib_SysObj_len(PikaObj* self, Arg* arg) {
-    if (ARG_TYPE_STRING == arg_getType(arg)) {
-        return strGetSize(arg_getStr(arg));
-    }
-    if (ARG_TYPE_BYTES == arg_getType(arg)) {
-        return arg_getBytesSize(arg);
-    }
-
-    if (arg_isObject(arg)) {
-        PikaObj* arg_obj = arg_getPtr(arg);
-        Arg* method_arg = obj_getMethodArgWithFullPath(arg_obj, "__len__");
-        if (NULL != method_arg) {
-            arg_deinit(method_arg);
-            obj_removeArg(arg_obj, "@res_len");
-            /* clang-format off */
-            PIKA_PYTHON(
-            @res_len = __len__()
-            )
-            /* clang-format on */
-            const uint8_t bytes[] = {
-                0x08, 0x00, 0x00, 0x00, /* instruct array size */
-                0x00, 0x82, 0x01, 0x00, 0x00, 0x04, 0x09, 0x00, /* instruct
-                                                                   array */
-                0x12, 0x00, 0x00, 0x00, /* const pool size */
-                0x00, 0x5f, 0x5f, 0x6c, 0x65, 0x6e, 0x5f, 0x5f, 0x00, 0x40,
-                0x72, 0x65, 0x73, 0x5f, 0x6c, 0x65, 0x6e, 0x00, /* const pool */
-            };
-            pikaVM_runByteCode(arg_obj, (uint8_t*)bytes);
-            return obj_getInt(arg_obj, "@res_len");
-        }
-    }
-
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] len: arg type not support\r\n");
-    return -1;
-}
-
-Arg* PikaStdLib_SysObj_list(PikaObj* self, PikaTuple* val) {
-#if PIKA_BUILTIN_STRUCT_ENABLE
-    if (1 == pikaTuple_getSize(val)) {
-        Arg* in = pikaTuple_getArg(val, 0);
-        obj_setArg(self, "__list", in);
-        /* clang-format off */
-        PIKA_PYTHON(
-        @res_list = []
-        for __item in __list:
-            @res_list.append(__item)
-        del __item
-        del __list
-
-        )
-        /* clang-format on */
-        const uint8_t bytes[] = {
-            0x3c, 0x00, 0x00, 0x00, /* instruct array size */
-            0x00, 0x95, 0x00, 0x00, 0x00, 0x04, 0x01, 0x00, 0x10, 0x81, 0x0b,
-            0x00, 0x00, 0x02, 0x12, 0x00, 0x00, 0x04, 0x17, 0x00, 0x00, 0x82,
-            0x1b, 0x00, 0x00, 0x04, 0x28, 0x00, 0x00, 0x0d, 0x28, 0x00, 0x00,
-            0x07, 0x2f, 0x00, 0x11, 0x81, 0x28, 0x00, 0x01, 0x02, 0x31, 0x00,
-            0x00, 0x86, 0x42, 0x00, 0x00, 0x8c, 0x17, 0x00, 0x00, 0x8c, 0x28,
-            0x00, 0x00, 0x8c, 0x0b, 0x00,
-            /* instruct array */
-            0x45, 0x00, 0x00, 0x00, /* const pool size */
-            0x00, 0x40, 0x72, 0x65, 0x73, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x00,
-            0x5f, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x00, 0x69, 0x74, 0x65, 0x72,
-            0x00, 0x24, 0x6c, 0x30, 0x00, 0x24, 0x6c, 0x30, 0x2e, 0x5f, 0x5f,
-            0x6e, 0x65, 0x78, 0x74, 0x5f, 0x5f, 0x00, 0x5f, 0x5f, 0x69, 0x74,
-            0x65, 0x6d, 0x00, 0x32, 0x00, 0x40, 0x72, 0x65, 0x73, 0x5f, 0x6c,
-            0x69, 0x73, 0x74, 0x2e, 0x61, 0x70, 0x70, 0x65, 0x6e, 0x64, 0x00,
-            0x2d, 0x31, 0x00, /* const pool */
-        };
-        return pikaVM_runByteCodeReturn(self, (uint8_t*)bytes, "@res_list");
-    }
-    PikaObj* New_PikaStdData_List(Args * args);
-    return arg_newDirectObj(New_PikaStdData_List);
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] built-in list is not enabled.\r\n");
-    return arg_newNull();
-#endif
-}
-
-Arg* PikaStdLib_SysObj_dict(PikaObj* self, PikaTuple* val) {
-#if PIKA_BUILTIN_STRUCT_ENABLE
-    PikaObj* New_PikaStdData_Dict(Args * args);
-    return arg_newDirectObj(New_PikaStdData_Dict);
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] built-in dist is not enabled.\r\n");
-    return arg_newNull();
-#endif
-}
-
-Arg* PikaStdLib_SysObj_tuple(PikaObj* self, Arg* val) {
-#if PIKA_BUILTIN_STRUCT_ENABLE
-    obj_setErrorCode(self, 1);
-    __platform_printf("Error: tuple() is not supported.\r\n");
-    return arg_newNone();
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] built-in tuple is not enabled.\r\n");
-    return arg_newNull();
-#endif
-}
-
-char* PikaStdLib_SysObj_hex(PikaObj* self, int val) {
-    char buff[PIKA_SPRINTF_BUFF_SIZE] = {0};
-    if (val >= 0) {
-        __platform_sprintf(buff, "0x%02x", val);
-    } else {
-        __platform_sprintf(buff, "-0x%02x", -val);
-    }
-    /* load the string from stack to heap */
-    obj_setStr(self, "__buf", buff);
-    return obj_getStr(self, "__buf");
-}
-
-int PikaStdLib_SysObj_ord(PikaObj* self, char* val) {
-    return (int)val[0];
-}
-
-char* PikaStdLib_SysObj_chr(PikaObj* self, int val) {
-    char buff[PIKA_SPRINTF_BUFF_SIZE] = {0};
-    char to_str[] = "0";
-    to_str[0] = val;
-    __platform_sprintf(buff, "%s", to_str);
-    /* load the string from stack to heap */
-    obj_setStr(self, "__buf", buff);
-    return obj_getStr(self, "__buf");
-}
-
-Arg* PikaStdLib_SysObj_bytes(PikaObj* self, Arg* val) {
-    ArgType type = arg_getType(val);
-    if (ARG_TYPE_INT == type) {
-        int size = arg_getInt(val);
-        /* src is NULL so the bytes are all '\0' */
-        Arg* bytes = arg_newBytes(NULL, size);
-        return bytes;
-    }
-    if (ARG_TYPE_BYTES == type) {
-        return arg_copy(val);
-    }
-    if (ARG_TYPE_STRING == type) {
-        int size = strGetSize(arg_getStr(val));
-        Arg* bytes = arg_newBytes((uint8_t*)arg_getStr(val), size);
-        return bytes;
-    }
-#if !PIKA_NANO_ENABLE
-    if (argType_isObject(type)) {
-        PikaObj* obj = arg_getPtr(val);
-        PikaObj* New_PikaStdData_List(Args * args);
-        PikaObj* New_PikaStdData_Tuple(Args * args);
-        if (obj->constructor == New_PikaStdData_List ||
-            obj->constructor == New_PikaStdData_Tuple) {
-            PikaList* list = obj_getPtr(obj, "list");
-            Arg* bytes = arg_newBytes(NULL, pikaList_getSize(list));
-            uint8_t* bytes_raw = arg_getBytes(bytes);
-            for (size_t i = 0; i < pikaList_getSize(list); i++) {
-                bytes_raw[i] = (uint8_t)pikaList_getInt(list, i);
-            }
-            return bytes;
-        }
-    }
-#endif
-    obj_setErrorCode(self, 1);
-    __platform_printf("Error: input arg type not supported.\r\n");
-    return arg_newNone();
-}
-
-void PikaStdLib_SysObj_print(PikaObj* self, PikaTuple* val, PikaDict* ops) {
-    int arg_size = pikaTuple_getSize(val);
-    char* end = pikaDict_getStr(ops, "end");
-    if (NULL == end) {
-        /* default */
-        end = "\r\n";
-    }
-    if (arg_size == 1) {
-        arg_print(pikaTuple_getArg(val, 0), pika_false, end);
-        return;
-    }
-    Arg* print_out_arg = NULL;
-    pika_bool is_get_print = pika_false;
-    for (int i = 0; i < arg_size; i++) {
-        Arg* arg = pikaTuple_getArg(val, i);
-        Arg* item_arg_str = arg_toStrArg(arg);
-        if (NULL != item_arg_str) {
-            is_get_print = PIKA_TRUE;
-            if (NULL == print_out_arg) {
-                print_out_arg = arg_newStr("");
-            }
-            print_out_arg =
-                arg_strAppend(print_out_arg, arg_getStr(item_arg_str));
-            if (i < arg_size - 1) {
-                print_out_arg = arg_strAppend(print_out_arg, " ");
-            }
-            arg_deinit(item_arg_str);
-        }
-    }
-    if (PIKA_TRUE == is_get_print) {
-        __platform_printf("%s%s", arg_getStr(print_out_arg), end);
-    }
-    if (NULL != print_out_arg) {
-        arg_deinit(print_out_arg);
-    }
-}
-
-char* PikaStdLib_SysObj_cformat(PikaObj* self, char* fmt, PikaTuple* var) {
-#if PIKA_SYNTAX_FORMAT_ENABLE
-    Args buffs = {0};
-    pikaMemMaxReset();
-    char* res = strsFormatList(&buffs, fmt, &var->super);
-    obj_setStr(self, "_buf", res);
-    res = obj_getStr(self, "_buf");
-    strsDeinit(&buffs);
-    return res;
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] PIKA_SYNTAX_FORMAT_ENABLE is not enabled.\r\n");
-    return NULL;
-#endif
-}
-
-int PikaStdLib_SysObj_id(PikaObj* self, Arg* obj) {
-    uintptr_t ptr = 0;
-    if (arg_isObject(obj)) {
-        ptr = (uintptr_t)arg_getPtr(obj);
-    } else {
-        ptr = (uintptr_t)obj;
-    }
-    return ptr & (0x7FFFFFFF);
-}
-
-PikaObj* PikaStdLib_SysObj_open(PikaObj* self, char* path, char* mode) {
-#if PIKA_FILEIO_ENABLE
-    PikaObj* file = newNormalObj(New_PikaStdData_FILEIO);
-    if (0 != PikaStdData_FILEIO_init(file, path, mode)) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] open: can not open file.\r\n");
-        obj_deinit(file);
-        return NULL;
-    }
-    return file;
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] PIKA_FILEIO_ENABLE is not enabled.\r\n");
-    return NULL;
-#endif
-}
-
-/* __dir_each */
-int32_t __dir_each(Arg* argEach, void* context);
-
-PikaObj* PikaStdLib_SysObj_dir(PikaObj* self, Arg* arg) {
-    if (!arg_isObject(arg)) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] dir: not support type.\r\n");
-        return NULL;
-    }
-    PikaObj* obj = arg_getPtr(arg);
-    PikaObj* New_PikaStdData_List(Args * args);
-    PikaObj* list = newNormalObj(New_PikaStdData_List);
-    __vm_List___init__(list);
-    Args* context = New_args(NULL);
-    args_setPtr(context, "list", list);
-    args_foreach(obj->list, __dir_each, context);
-    args_deinit(context);
-    return list;
-}
-
-void PikaStdLib_SysObj_exec(PikaObj* self, char* code) {
-#if PIKA_EXEC_ENABLE
-    obj_run(self, code);
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] PIKA_EXEC_ENABLE is not enabled.\r\n");
-#endif
-}
-
-Arg* PikaStdLib_SysObj_getattr(PikaObj* self, PikaObj* obj, char* name) {
-    Arg* res = NULL;
-    if (NULL == obj) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] getattr: can not get attr of NULL.\r\n");
-        return NULL;
-    }
-    Arg* arg = obj_getArg(obj, name);
-    if (NULL == arg) {
-        arg = obj_getMethodArgWithFullPath(obj, name);
-    }
-    if (NULL != arg) {
-        res = arg_copy(arg);
-        methodArg_setHostObj(res, obj);
-    }
-    return res;
-}
-
-void PikaStdLib_SysObj_setattr(PikaObj* self,
-                               PikaObj* obj,
-                               char* name,
-                               Arg* val) {
-    if (NULL == obj) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] setattr: obj is null.\r\n");
-        goto exit;
-    }
-    obj_setArg(obj, name, val);
-exit:
-    return;
-}
-
-void PikaStdLib_SysObj_exit(PikaObj* self) {
-    pks_vm_exit();
-}
-
-int PikaStdLib_SysObj_hasattr(PikaObj* self, PikaObj* obj, char* name) {
-    if (NULL == obj) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] hasattr: obj is null.\r\n");
-        return 0;
-    }
-    if (obj_isArgExist(obj, name)) {
-        return 1;
-    }
-    Arg* method = obj_getMethodArgWithFullPath(obj, name);
-    if (NULL != method) {
-        arg_deinit(method);
-        return 1;
-    }
-    return 0;
-}
-
-Arg* PikaStdLib_SysObj_eval(PikaObj* self, char* code) {
-    Args buffs = {0};
-    char* cmd = strsAppend(&buffs, "@res = ", code);
-    obj_run(self, cmd);
-    Arg* res = arg_copy(obj_getArg(self, "@res"));
-    strsDeinit(&buffs);
-    obj_removeArg(self, "@res");
-    return res;
-}
-
-static enum shellCTRL __obj_shellLineHandler_input(PikaObj* self,
-                                                   char* input_line,
-                                                   struct ShellConfig* cfg) {
-    cfg->context = arg_newStr(input_line);
-    return SHELL_CTRL_EXIT;
-}
-
-char* PikaStdLib_SysObj_input(PikaObj* self, PikaTuple* info) {
-    struct ShellConfig cfg = {
-        .prefix = "",
-        .context = NULL,
-        .handler = __obj_shellLineHandler_input,
-        .fn_getchar = __platform_getchar,
-    };
-    if (pikaTuple_getSize(info) > 0) {
-        __platform_printf("%s", pikaTuple_getStr(info, 0));
-    }
-    _temp__do_pikaScriptShell(self, &cfg);
-    char* res = obj_cacheStr(self, arg_getStr(cfg.context));
-    arg_deinit(cfg.context);
-    return res;
-}
-
-extern volatile PikaObj* __pikaMain;
-void PikaStdLib_SysObj_help(PikaObj* self, char* name) {
-    if (strEqu(name, "modules")) {
-        obj_printModules((PikaObj*)__pikaMain);
-    }
-}
-
-void PikaStdLib_SysObj_reboot(PikaObj* self) {
-    pika_platform_reboot();
-}
-
-void PikaStdLib_SysObj_clear(PikaObj* self) {
-    pika_platform_clear();
-}
-
-void PikaStdLib_SysObj_gcdump(PikaObj* self) {
-    pikaGC_markDump();
-}
-
-Arg* PikaStdLib_SysObj_abs(PikaObj* self, Arg* val) {
-    ArgType type = arg_getType(val);
-    if (type == ARG_TYPE_INT) {
-        int64_t v = arg_getInt(val);
-        if (v < 0) {
-            v = -v;
-        }
-        return arg_newInt(v);
-    }
-    if (type == ARG_TYPE_FLOAT) {
-        pika_float v = arg_getFloat(val);
-        if (v < 0) {
-            v = -v;
-        }
-        return arg_newFloat(v);
-    }
-    obj_setSysOut(self, "TypeError: bad operand type for abs()");
-    obj_setErrorCode(self, PIKA_RES_ERR_INVALID_PARAM);
-    return NULL;
-}
-
-PikaObj* New_PikaStdData_Tuple(Args* args);
-/* clang-format off */
-PIKA_PYTHON(
-@res_max = @list[0]
-for @item in @list:
-    if @item > @res_max:
-        @res_max = @item
-)
-/* clang-format on */
-extern const uint8_t bc_max[];
-/* clang-format off */
-PIKA_PYTHON(
-@res_max = @list[0]
-for @item in @list:
-    if @item < @res_max:
-        @res_max = @item
-
-)
-/* clang-format on */
-extern const uint8_t bc_min[];
-
-Arg* _max_min(PikaObj* self, PikaTuple* val, uint8_t* bc);
-
-Arg* PikaStdLib_SysObj_max(PikaObj* self, PikaTuple* val) {
-    return _max_min(self, val, (uint8_t*)bc_max);
-}
-
-Arg* PikaStdLib_SysObj_min(PikaObj* self, PikaTuple* val) {
-    return _max_min(self, val, (uint8_t*)bc_min);
-}
-
-pika_bool _isinstance(PikaObj* self, Arg* object, Arg* classinfo);
-
-pika_bool PikaStdLib_SysObj_isinstance(PikaObj* self,
-                                       Arg* object,
-                                       Arg* classinfo) {
-    return _isinstance(self, object, classinfo);
-}
diff --git a/package/PikaStdLib/builtins.pyi b/package/PikaStdLib/builtins.pyi
index 2bdbcbbc2..cc97cb105 100644
--- a/package/PikaStdLib/builtins.pyi
+++ b/package/PikaStdLib/builtins.pyi
@@ -137,3 +137,12 @@ def clear(): ...
 @staticmethod
 @PIKA_C_MACRO_IF("PIKA_GC_MARK_SWEEP_ENABLE")
 def gcdump(): ...
+
+@PIKA_C_MACRO_IF("0")
+class RangeObj:
+    def __next__(self) -> any: ...
+
+
+@PIKA_C_MACRO_IF("0")
+class StringObj:
+    def __next__(self) -> any: ...
diff --git a/port/linux/.vscode/launch.json b/port/linux/.vscode/launch.json
index 1df71cdae..5e711393a 100644
--- a/port/linux/.vscode/launch.json
+++ b/port/linux/.vscode/launch.json
@@ -24,7 +24,7 @@
                 // "--gtest_filter=lua.eval"
                 // "--gtest_filter=eventloop.once1"
                 // "--gtest_filter=parser.fn_fn"
-                "--gtest_filter=builtin.isinstance"
+                // "--gtest_filter=builtin.isinstance"
                 // "--gtest_filter=VM.run_def_add"
                 // "--gtest_filter=parser.slice_fn"
             ],
diff --git a/port/linux/package/pikascript/PikaStdLib.pyi b/port/linux/package/pikascript/PikaStdLib.pyi
index b760becaa..474eb6761 100644
--- a/port/linux/package/pikascript/PikaStdLib.pyi
+++ b/port/linux/package/pikascript/PikaStdLib.pyi
@@ -1,5 +1,6 @@
 from PikaObj import *
 
+
 class MemChecker:
     def max(self): ...
     def now(self): ...
@@ -15,143 +16,7 @@ class MemChecker:
 
 
 class SysObj:
-    @staticmethod
-    def int(arg: any, *base) -> int: ...
-
-    @staticmethod
-    def bool(arg: any) -> bool: ...
-
-    @staticmethod
-    def float(arg: any) -> float: ...
-
-    @staticmethod
-    def str(arg: any) -> str: ...
-
-    @staticmethod
-    def iter(arg: any) -> any: ...
-
-    @staticmethod
-    def range(*ax) -> any: ...
-
-    @staticmethod
-    def print(*val, **ops): ...
-
-    @staticmethod
-    def __setitem__(obj: any, key: any, val: any) -> any: ...
-
-    @staticmethod
-    def __getitem__(obj: any, key: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def type(arg: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def isinstance(object: any, classinfo: any) -> bool: ...
-
-    @staticmethod
-    def len(arg: any) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_BUILTIN_STRUCT_ENABLE")
-    def list(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_BUILTIN_STRUCT_ENABLE")
-    def dict(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_BUILTIN_STRUCT_ENABLE")
-    def tuple(arg: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def hex(val: int) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def ord(val: str) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def chr(val: int) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def bytes(val: any) -> bytes: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_SYNTAX_FORMAT_ENABLE")
-    def cformat(fmt: str, *var) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def id(obj: any) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_FILEIO_ENABLE")
-    def open(path: str, mode: str) -> object: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def dir(obj: any) -> list: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_EXEC_ENABLE")
-    def exec(code: str): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_EXEC_ENABLE")
-    def eval(code: str) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def getattr(obj: object, name: str) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def setattr(obj: object, name: str, val: any): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def hasattr(obj: object, name: str) -> int: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def exit(): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def input(*info) -> str: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def abs(val: any) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def max(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def min(*val) -> any: ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def help(name: str): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def reboot(): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("!PIKA_NANO_ENABLE")
-    def clear(): ...
-
-    @staticmethod
-    @PIKA_C_MACRO_IF("PIKA_GC_MARK_SWEEP_ENABLE")
-    def gcdump(): ...
+    pass
 
 
 @PIKA_C_MACRO_IF("0")
diff --git a/port/linux/package/pikascript/builtins.pyi b/port/linux/package/pikascript/builtins.pyi
index 2bdbcbbc2..cc97cb105 100644
--- a/port/linux/package/pikascript/builtins.pyi
+++ b/port/linux/package/pikascript/builtins.pyi
@@ -137,3 +137,12 @@ def clear(): ...
 @staticmethod
 @PIKA_C_MACRO_IF("PIKA_GC_MARK_SWEEP_ENABLE")
 def gcdump(): ...
+
+@PIKA_C_MACRO_IF("0")
+class RangeObj:
+    def __next__(self) -> any: ...
+
+
+@PIKA_C_MACRO_IF("0")
+class StringObj:
+    def __next__(self) -> any: ...
diff --git a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Dict.c b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Dict.c
index 124a9d4a8..20bd1cffe 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Dict.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Dict.c
@@ -101,7 +101,7 @@ Arg* PikaStdData_dict_keys___next__(PikaObj* self) {
     return res;
 }
 
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg);
+char* builtins_str(PikaObj* self, Arg* arg);
 char* PikaStdData_dict_keys___str__(PikaObj* self) {
     Arg* str_arg = arg_newStr("dict_keys([");
     PikaObj* dictptr = obj_getPtr(self, "dictptr");
@@ -116,7 +116,7 @@ char* PikaStdData_dict_keys___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         if (arg_getType(item) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
@@ -151,13 +151,13 @@ char* PikaStdData_Dict___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* key_str = PikaStdLib_SysObj_str(self, item_key);
+        char* key_str = builtins_str(self, item_key);
         str_arg = arg_strAppend(str_arg, "'");
         str_arg = arg_strAppend(str_arg, key_str);
         str_arg = arg_strAppend(str_arg, "'");
         str_arg = arg_strAppend(str_arg, ": ");
 
-        char* val_str = PikaStdLib_SysObj_str(self, item_val);
+        char* val_str = builtins_str(self, item_val);
         if (arg_getType(item_val) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
@@ -248,7 +248,7 @@ char* PikaStdData_dict_items___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         str_arg = arg_strAppend(str_arg, item_str);
         i++;
         arg_deinit(item);
diff --git a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_List.c b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_List.c
index 5d085177c..ab11cbc9b 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_List.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_List.c
@@ -25,7 +25,7 @@ void PikaStdData_List___init__(PikaObj* self) {
     __vm_List___init__(self);
 }
 
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg);
+char* builtins_str(PikaObj* self, Arg* arg);
 char* PikaStdData_List___str__(PikaObj* self) {
     Arg* str_arg = arg_newStr("[");
     PikaList* list = obj_getPtr(self, "list");
@@ -39,7 +39,7 @@ char* PikaStdData_List___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         if (arg_getType(item) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
diff --git a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Tuple.c b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Tuple.c
index 5ea8eb859..f35789729 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Tuple.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_Tuple.c
@@ -50,7 +50,7 @@ void PikaStdData_Tuple___del__(PikaObj* self) {
     args_deinit(list);
 }
 
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg);
+char* builtins_str(PikaObj* self, Arg* arg);
 char* PikaStdData_Tuple___str__(PikaObj* self) {
     Arg* str_arg = arg_newStr("(");
     PikaList* list = obj_getPtr(self, "list");
@@ -68,7 +68,7 @@ char* PikaStdData_Tuple___str__(PikaObj* self) {
         if (i != 0) {
             str_arg = arg_strAppend(str_arg, ", ");
         }
-        char* item_str = PikaStdLib_SysObj_str(self, item);
+        char* item_str = builtins_str(self, item);
         if (arg_getType(item) == ARG_TYPE_STRING) {
             str_arg = arg_strAppend(str_arg, "'");
         }
diff --git a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
index 8d3320faf..e9d4e7f66 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
@@ -4,649 +4,3 @@
 #include "PikaStdLib_StringObj.h"
 #include "PikaVM.h"
 #include "dataStrs.h"
-
-void PikaStdLib_SysObj_remove(PikaObj* self, char* argPath) {
-    obj_setErrorCode(self, 0);
-    int32_t res = obj_removeArg(self, argPath);
-    if (1 == res) {
-        obj_setSysOut(self, "[error] del: object no found.");
-        obj_setErrorCode(self, 1);
-        return;
-    }
-    if (2 == res) {
-        obj_setSysOut(self, "[error] del: arg not match.");
-        obj_setErrorCode(self, 2);
-        return;
-    }
-}
-
-Arg* _type(PikaObj* self, Arg* arg);
-
-Arg* PikaStdLib_SysObj_type(PikaObj* self, Arg* arg) {
-    return _type(self, arg);
-}
-
-pika_float PikaStdLib_SysObj_float(PikaObj* self, Arg* arg) {
-    ArgType type = arg_getType(arg);
-    if (ARG_TYPE_INT == type) {
-        return (pika_float)arg_getInt(arg);
-    }
-    if (ARG_TYPE_FLOAT == type) {
-        return (pika_float)arg_getFloat(arg);
-    }
-    if (ARG_TYPE_STRING == type) {
-        return strtod(arg_getStr(arg), NULL);
-    }
-    if (ARG_TYPE_BOOL == type) {
-        return (pika_float)arg_getBool(arg);
-    }
-    obj_setSysOut(self, "[error] convert to pika_float type failed.");
-    obj_setErrorCode(self, 1);
-    return _PIKA_FLOAT_ERR;
-}
-
-PIKA_RES _transeInt(Arg* arg, int base, int64_t* res);
-
-int PikaStdLib_SysObj_int(PikaObj* self, Arg* arg, PikaTuple* base) {
-    int64_t res = 0;
-    int64_t iBase = 10;
-    if (pikaTuple_getSize(base) > 0) {
-        if (arg_getType(arg) != ARG_TYPE_STRING &&
-            arg_getType(arg) != ARG_TYPE_BYTES) {
-            obj_setSysOut(self,
-                          "TypeError: int() can't convert non-string with "
-                          "explicit base");
-            obj_setErrorCode(self, 1);
-            return _PIKA_INT_ERR;
-        }
-        iBase = (int64_t)pikaTuple_getInt(base, 0);
-    }
-    if (_transeInt(arg, iBase, &res) == PIKA_RES_OK) {
-        return res;
-    }
-    obj_setSysOut(self, "ValueError: invalid literal for int()");
-    obj_setErrorCode(self, 1);
-    return _PIKA_INT_ERR;
-}
-
-pika_bool PikaStdLib_SysObj_bool(PikaObj* self, Arg* arg) {
-    int64_t res = 0;
-    if (_transeInt(arg, 10, &res) == PIKA_RES_OK) {
-        return res ? PIKA_TRUE : pika_false;
-    }
-    obj_setSysOut(self, "ValueError: invalid literal for bool()");
-    obj_setErrorCode(self, 1);
-    return _PIKA_BOOL_ERR;
-}
-
-char* PikaStdLib_SysObj_str(PikaObj* self, Arg* arg) {
-    // if (arg_getType(arg) == ARG_TYPE_BYTES) {
-    //     return obj_cacheStr(self, (char*)arg_getBytes(arg));
-    // }
-    Arg* arg_str = arg_toStrArg(arg);
-    if (NULL == arg_str) {
-        obj_setSysOut(self, "Error: convert to str type failed.");
-        obj_setErrorCode(self, 1);
-        return NULL;
-    }
-    char* str = obj_cacheStr(self, arg_getStr(arg_str));
-    arg_deinit(arg_str);
-    return str;
-}
-
-Arg* PikaStdLib_SysObj_iter(PikaObj* self, Arg* arg) {
-    /* object */
-    pika_bool bIsTemp = pika_false;
-    PikaObj* oArg = _arg_to_obj(arg, &bIsTemp);
-    NewFun _clsptr = (NewFun)oArg->constructor;
-    if (_clsptr == New_PikaStdLib_RangeObj) {
-        /* found RangeObj, return directly */
-        return arg_copy(arg);
-    }
-    /* clang-format off */
-    PIKA_PYTHON(
-    @res_iter = __iter__()
-    )
-    /* clang-format on */
-    const uint8_t bytes[] = {
-        0x08, 0x00, 0x00, 0x00, /* instruct array size */
-        0x00, 0x82, 0x01, 0x00, 0x00, 0x04, 0x0a, 0x00, /* instruct array */
-        0x14, 0x00, 0x00, 0x00,                         /* const pool size */
-        0x00, 0x5f, 0x5f, 0x69, 0x74, 0x65, 0x72, 0x5f, 0x5f, 0x00, 0x40,
-        0x72, 0x65, 0x73, 0x5f, 0x69, 0x74, 0x65, 0x72, 0x00, /* const pool */
-    };
-    Arg* res = pikaVM_runByteCodeReturn(oArg, (uint8_t*)bytes, "@res_iter");
-    if (bIsTemp) {
-        obj_refcntDec(oArg);
-    }
-    return res;
-}
-
-Arg* PikaStdLib_SysObj_range(PikaObj* self, PikaTuple* ax) {
-    /* set template arg to create rangeObj */
-    Arg* aRangeObj = arg_newDirectObj(New_PikaStdLib_RangeObj);
-    PikaObj* oRangeObj = arg_getPtr(aRangeObj);
-    RangeData tRangeData = {0};
-    if (pikaTuple_getSize(ax) == 1) {
-        int start = 0;
-        int end = arg_getInt(pikaTuple_getArg(ax, 0));
-        tRangeData.start = start;
-        tRangeData.end = end;
-        tRangeData.step = 1;
-    } else if (pikaTuple_getSize(ax) == 2) {
-        int start = arg_getInt(pikaTuple_getArg(ax, 0));
-        int end = arg_getInt(pikaTuple_getArg(ax, 1));
-        tRangeData.start = start;
-        tRangeData.end = end;
-        tRangeData.step = 1;
-    } else if (pikaTuple_getSize(ax) == 3) {
-        int start = arg_getInt(pikaTuple_getArg(ax, 0));
-        int end = arg_getInt(pikaTuple_getArg(ax, 1));
-        int step = arg_getInt(pikaTuple_getArg(ax, 2));
-        tRangeData.start = start;
-        tRangeData.end = end;
-        tRangeData.step = step;
-    }
-    tRangeData.i = tRangeData.start;
-    obj_setStruct(oRangeObj, "_", tRangeData);
-    return aRangeObj;
-}
-
-Arg* PikaStdLib_SysObj___getitem__(PikaObj* self, Arg* obj, Arg* key) {
-    return _vm_get(NULL, self, key, obj);
-}
-
-Arg* PikaStdLib_SysObj___setitem__(PikaObj* self,
-                                   Arg* obj,
-                                   Arg* key,
-                                   Arg* val) {
-    ArgType obj_type = arg_getType(obj);
-    if (ARG_TYPE_STRING == obj_type) {
-        int index = arg_getInt(key);
-        char* str_val = arg_getStr(val);
-        char* str_pyload = arg_getStr(obj);
-        str_pyload[index] = str_val[0];
-        return arg_newStr(str_pyload);
-    }
-    if (ARG_TYPE_BYTES == obj_type) {
-        int index = arg_getInt(key);
-        uint8_t byte_val = 0;
-        if (ARG_TYPE_BYTES == arg_getType(val)) {
-            uint8_t* bytes_val = arg_getBytes(val);
-            byte_val = bytes_val[0];
-        }
-        if (ARG_TYPE_INT == arg_getType(val)) {
-            byte_val = arg_getInt(val);
-        }
-        uint8_t* bytes_pyload = arg_getBytes(obj);
-        size_t bytes_len = arg_getBytesSize(obj);
-        bytes_pyload[index] = byte_val;
-        return arg_newBytes(bytes_pyload, bytes_len);
-    }
-    if (argType_isObject(obj_type)) {
-        PikaObj* arg_obj = arg_getPtr(obj);
-        obj_setArg(arg_obj, "__key", key);
-        obj_setArg(arg_obj, "__val", val);
-        /* clang-format off */
-        PIKA_PYTHON(
-        __setitem__(__key, __val)
-        )
-        /* clang-format on */
-        const uint8_t bytes[] = {
-            0x0c, 0x00, 0x00, 0x00, /* instruct array size */
-            0x10, 0x81, 0x01, 0x00, 0x10, 0x01, 0x07, 0x00, 0x00, 0x02, 0x0d,
-            0x00,
-            /* instruct array */
-            0x19, 0x00, 0x00, 0x00, /* const pool size */
-            0x00, 0x5f, 0x5f, 0x6b, 0x65, 0x79, 0x00, 0x5f, 0x5f, 0x76, 0x61,
-            0x6c, 0x00, 0x5f, 0x5f, 0x73, 0x65, 0x74, 0x69, 0x74, 0x65, 0x6d,
-            0x5f, 0x5f, 0x00,
-            /* const pool */
-        };
-        pikaVM_runByteCode(arg_obj, (uint8_t*)bytes);
-        return arg_newRef(arg_obj);
-    }
-    return NULL;
-}
-
-int PikaStdLib_SysObj_len(PikaObj* self, Arg* arg) {
-    if (ARG_TYPE_STRING == arg_getType(arg)) {
-        return strGetSize(arg_getStr(arg));
-    }
-    if (ARG_TYPE_BYTES == arg_getType(arg)) {
-        return arg_getBytesSize(arg);
-    }
-
-    if (arg_isObject(arg)) {
-        PikaObj* arg_obj = arg_getPtr(arg);
-        Arg* method_arg = obj_getMethodArgWithFullPath(arg_obj, "__len__");
-        if (NULL != method_arg) {
-            arg_deinit(method_arg);
-            obj_removeArg(arg_obj, "@res_len");
-            /* clang-format off */
-            PIKA_PYTHON(
-            @res_len = __len__()
-            )
-            /* clang-format on */
-            const uint8_t bytes[] = {
-                0x08, 0x00, 0x00, 0x00, /* instruct array size */
-                0x00, 0x82, 0x01, 0x00, 0x00, 0x04, 0x09, 0x00, /* instruct
-                                                                   array */
-                0x12, 0x00, 0x00, 0x00, /* const pool size */
-                0x00, 0x5f, 0x5f, 0x6c, 0x65, 0x6e, 0x5f, 0x5f, 0x00, 0x40,
-                0x72, 0x65, 0x73, 0x5f, 0x6c, 0x65, 0x6e, 0x00, /* const pool */
-            };
-            pikaVM_runByteCode(arg_obj, (uint8_t*)bytes);
-            return obj_getInt(arg_obj, "@res_len");
-        }
-    }
-
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] len: arg type not support\r\n");
-    return -1;
-}
-
-Arg* PikaStdLib_SysObj_list(PikaObj* self, PikaTuple* val) {
-#if PIKA_BUILTIN_STRUCT_ENABLE
-    if (1 == pikaTuple_getSize(val)) {
-        Arg* in = pikaTuple_getArg(val, 0);
-        obj_setArg(self, "__list", in);
-        /* clang-format off */
-        PIKA_PYTHON(
-        @res_list = []
-        for __item in __list:
-            @res_list.append(__item)
-        del __item
-        del __list
-
-        )
-        /* clang-format on */
-        const uint8_t bytes[] = {
-            0x3c, 0x00, 0x00, 0x00, /* instruct array size */
-            0x00, 0x95, 0x00, 0x00, 0x00, 0x04, 0x01, 0x00, 0x10, 0x81, 0x0b,
-            0x00, 0x00, 0x02, 0x12, 0x00, 0x00, 0x04, 0x17, 0x00, 0x00, 0x82,
-            0x1b, 0x00, 0x00, 0x04, 0x28, 0x00, 0x00, 0x0d, 0x28, 0x00, 0x00,
-            0x07, 0x2f, 0x00, 0x11, 0x81, 0x28, 0x00, 0x01, 0x02, 0x31, 0x00,
-            0x00, 0x86, 0x42, 0x00, 0x00, 0x8c, 0x17, 0x00, 0x00, 0x8c, 0x28,
-            0x00, 0x00, 0x8c, 0x0b, 0x00,
-            /* instruct array */
-            0x45, 0x00, 0x00, 0x00, /* const pool size */
-            0x00, 0x40, 0x72, 0x65, 0x73, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x00,
-            0x5f, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x00, 0x69, 0x74, 0x65, 0x72,
-            0x00, 0x24, 0x6c, 0x30, 0x00, 0x24, 0x6c, 0x30, 0x2e, 0x5f, 0x5f,
-            0x6e, 0x65, 0x78, 0x74, 0x5f, 0x5f, 0x00, 0x5f, 0x5f, 0x69, 0x74,
-            0x65, 0x6d, 0x00, 0x32, 0x00, 0x40, 0x72, 0x65, 0x73, 0x5f, 0x6c,
-            0x69, 0x73, 0x74, 0x2e, 0x61, 0x70, 0x70, 0x65, 0x6e, 0x64, 0x00,
-            0x2d, 0x31, 0x00, /* const pool */
-        };
-        return pikaVM_runByteCodeReturn(self, (uint8_t*)bytes, "@res_list");
-    }
-    PikaObj* New_PikaStdData_List(Args * args);
-    return arg_newDirectObj(New_PikaStdData_List);
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] built-in list is not enabled.\r\n");
-    return arg_newNull();
-#endif
-}
-
-Arg* PikaStdLib_SysObj_dict(PikaObj* self, PikaTuple* val) {
-#if PIKA_BUILTIN_STRUCT_ENABLE
-    PikaObj* New_PikaStdData_Dict(Args * args);
-    return arg_newDirectObj(New_PikaStdData_Dict);
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] built-in dist is not enabled.\r\n");
-    return arg_newNull();
-#endif
-}
-
-Arg* PikaStdLib_SysObj_tuple(PikaObj* self, Arg* val) {
-#if PIKA_BUILTIN_STRUCT_ENABLE
-    obj_setErrorCode(self, 1);
-    __platform_printf("Error: tuple() is not supported.\r\n");
-    return arg_newNone();
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] built-in tuple is not enabled.\r\n");
-    return arg_newNull();
-#endif
-}
-
-char* PikaStdLib_SysObj_hex(PikaObj* self, int val) {
-    char buff[PIKA_SPRINTF_BUFF_SIZE] = {0};
-    if (val >= 0) {
-        __platform_sprintf(buff, "0x%02x", val);
-    } else {
-        __platform_sprintf(buff, "-0x%02x", -val);
-    }
-    /* load the string from stack to heap */
-    obj_setStr(self, "__buf", buff);
-    return obj_getStr(self, "__buf");
-}
-
-int PikaStdLib_SysObj_ord(PikaObj* self, char* val) {
-    return (int)val[0];
-}
-
-char* PikaStdLib_SysObj_chr(PikaObj* self, int val) {
-    char buff[PIKA_SPRINTF_BUFF_SIZE] = {0};
-    char to_str[] = "0";
-    to_str[0] = val;
-    __platform_sprintf(buff, "%s", to_str);
-    /* load the string from stack to heap */
-    obj_setStr(self, "__buf", buff);
-    return obj_getStr(self, "__buf");
-}
-
-Arg* PikaStdLib_SysObj_bytes(PikaObj* self, Arg* val) {
-    ArgType type = arg_getType(val);
-    if (ARG_TYPE_INT == type) {
-        int size = arg_getInt(val);
-        /* src is NULL so the bytes are all '\0' */
-        Arg* bytes = arg_newBytes(NULL, size);
-        return bytes;
-    }
-    if (ARG_TYPE_BYTES == type) {
-        return arg_copy(val);
-    }
-    if (ARG_TYPE_STRING == type) {
-        int size = strGetSize(arg_getStr(val));
-        Arg* bytes = arg_newBytes((uint8_t*)arg_getStr(val), size);
-        return bytes;
-    }
-#if !PIKA_NANO_ENABLE
-    if (argType_isObject(type)) {
-        PikaObj* obj = arg_getPtr(val);
-        PikaObj* New_PikaStdData_List(Args * args);
-        PikaObj* New_PikaStdData_Tuple(Args * args);
-        if (obj->constructor == New_PikaStdData_List ||
-            obj->constructor == New_PikaStdData_Tuple) {
-            PikaList* list = obj_getPtr(obj, "list");
-            Arg* bytes = arg_newBytes(NULL, pikaList_getSize(list));
-            uint8_t* bytes_raw = arg_getBytes(bytes);
-            for (size_t i = 0; i < pikaList_getSize(list); i++) {
-                bytes_raw[i] = (uint8_t)pikaList_getInt(list, i);
-            }
-            return bytes;
-        }
-    }
-#endif
-    obj_setErrorCode(self, 1);
-    __platform_printf("Error: input arg type not supported.\r\n");
-    return arg_newNone();
-}
-
-void PikaStdLib_SysObj_print(PikaObj* self, PikaTuple* val, PikaDict* ops) {
-    int arg_size = pikaTuple_getSize(val);
-    char* end = pikaDict_getStr(ops, "end");
-    if (NULL == end) {
-        /* default */
-        end = "\r\n";
-    }
-    if (arg_size == 1) {
-        arg_print(pikaTuple_getArg(val, 0), pika_false, end);
-        return;
-    }
-    Arg* print_out_arg = NULL;
-    pika_bool is_get_print = pika_false;
-    for (int i = 0; i < arg_size; i++) {
-        Arg* arg = pikaTuple_getArg(val, i);
-        Arg* item_arg_str = arg_toStrArg(arg);
-        if (NULL != item_arg_str) {
-            is_get_print = PIKA_TRUE;
-            if (NULL == print_out_arg) {
-                print_out_arg = arg_newStr("");
-            }
-            print_out_arg =
-                arg_strAppend(print_out_arg, arg_getStr(item_arg_str));
-            if (i < arg_size - 1) {
-                print_out_arg = arg_strAppend(print_out_arg, " ");
-            }
-            arg_deinit(item_arg_str);
-        }
-    }
-    if (PIKA_TRUE == is_get_print) {
-        __platform_printf("%s%s", arg_getStr(print_out_arg), end);
-    }
-    if (NULL != print_out_arg) {
-        arg_deinit(print_out_arg);
-    }
-}
-
-char* PikaStdLib_SysObj_cformat(PikaObj* self, char* fmt, PikaTuple* var) {
-#if PIKA_SYNTAX_FORMAT_ENABLE
-    Args buffs = {0};
-    pikaMemMaxReset();
-    char* res = strsFormatList(&buffs, fmt, &var->super);
-    obj_setStr(self, "_buf", res);
-    res = obj_getStr(self, "_buf");
-    strsDeinit(&buffs);
-    return res;
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] PIKA_SYNTAX_FORMAT_ENABLE is not enabled.\r\n");
-    return NULL;
-#endif
-}
-
-int PikaStdLib_SysObj_id(PikaObj* self, Arg* obj) {
-    uintptr_t ptr = 0;
-    if (arg_isObject(obj)) {
-        ptr = (uintptr_t)arg_getPtr(obj);
-    } else {
-        ptr = (uintptr_t)obj;
-    }
-    return ptr & (0x7FFFFFFF);
-}
-
-PikaObj* PikaStdLib_SysObj_open(PikaObj* self, char* path, char* mode) {
-#if PIKA_FILEIO_ENABLE
-    PikaObj* file = newNormalObj(New_PikaStdData_FILEIO);
-    if (0 != PikaStdData_FILEIO_init(file, path, mode)) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] open: can not open file.\r\n");
-        obj_deinit(file);
-        return NULL;
-    }
-    return file;
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] PIKA_FILEIO_ENABLE is not enabled.\r\n");
-    return NULL;
-#endif
-}
-
-/* __dir_each */
-int32_t __dir_each(Arg* argEach, void* context);
-
-PikaObj* PikaStdLib_SysObj_dir(PikaObj* self, Arg* arg) {
-    if (!arg_isObject(arg)) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] dir: not support type.\r\n");
-        return NULL;
-    }
-    PikaObj* obj = arg_getPtr(arg);
-    PikaObj* New_PikaStdData_List(Args * args);
-    PikaObj* list = newNormalObj(New_PikaStdData_List);
-    __vm_List___init__(list);
-    Args* context = New_args(NULL);
-    args_setPtr(context, "list", list);
-    args_foreach(obj->list, __dir_each, context);
-    args_deinit(context);
-    return list;
-}
-
-void PikaStdLib_SysObj_exec(PikaObj* self, char* code) {
-#if PIKA_EXEC_ENABLE
-    obj_run(self, code);
-#else
-    obj_setErrorCode(self, 1);
-    __platform_printf("[Error] PIKA_EXEC_ENABLE is not enabled.\r\n");
-#endif
-}
-
-Arg* PikaStdLib_SysObj_getattr(PikaObj* self, PikaObj* obj, char* name) {
-    Arg* res = NULL;
-    if (NULL == obj) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] getattr: can not get attr of NULL.\r\n");
-        return NULL;
-    }
-    Arg* arg = obj_getArg(obj, name);
-    if (NULL == arg) {
-        arg = obj_getMethodArgWithFullPath(obj, name);
-    }
-    if (NULL != arg) {
-        res = arg_copy(arg);
-        methodArg_setHostObj(res, obj);
-    }
-    return res;
-}
-
-void PikaStdLib_SysObj_setattr(PikaObj* self,
-                               PikaObj* obj,
-                               char* name,
-                               Arg* val) {
-    if (NULL == obj) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] setattr: obj is null.\r\n");
-        goto exit;
-    }
-    obj_setArg(obj, name, val);
-exit:
-    return;
-}
-
-void PikaStdLib_SysObj_exit(PikaObj* self) {
-    pks_vm_exit();
-}
-
-int PikaStdLib_SysObj_hasattr(PikaObj* self, PikaObj* obj, char* name) {
-    if (NULL == obj) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("[Error] hasattr: obj is null.\r\n");
-        return 0;
-    }
-    if (obj_isArgExist(obj, name)) {
-        return 1;
-    }
-    Arg* method = obj_getMethodArgWithFullPath(obj, name);
-    if (NULL != method) {
-        arg_deinit(method);
-        return 1;
-    }
-    return 0;
-}
-
-Arg* PikaStdLib_SysObj_eval(PikaObj* self, char* code) {
-    Args buffs = {0};
-    char* cmd = strsAppend(&buffs, "@res = ", code);
-    obj_run(self, cmd);
-    Arg* res = arg_copy(obj_getArg(self, "@res"));
-    strsDeinit(&buffs);
-    obj_removeArg(self, "@res");
-    return res;
-}
-
-static enum shellCTRL __obj_shellLineHandler_input(PikaObj* self,
-                                                   char* input_line,
-                                                   struct ShellConfig* cfg) {
-    cfg->context = arg_newStr(input_line);
-    return SHELL_CTRL_EXIT;
-}
-
-char* PikaStdLib_SysObj_input(PikaObj* self, PikaTuple* info) {
-    struct ShellConfig cfg = {
-        .prefix = "",
-        .context = NULL,
-        .handler = __obj_shellLineHandler_input,
-        .fn_getchar = __platform_getchar,
-    };
-    if (pikaTuple_getSize(info) > 0) {
-        __platform_printf("%s", pikaTuple_getStr(info, 0));
-    }
-    _temp__do_pikaScriptShell(self, &cfg);
-    char* res = obj_cacheStr(self, arg_getStr(cfg.context));
-    arg_deinit(cfg.context);
-    return res;
-}
-
-extern volatile PikaObj* __pikaMain;
-void PikaStdLib_SysObj_help(PikaObj* self, char* name) {
-    if (strEqu(name, "modules")) {
-        obj_printModules((PikaObj*)__pikaMain);
-    }
-}
-
-void PikaStdLib_SysObj_reboot(PikaObj* self) {
-    pika_platform_reboot();
-}
-
-void PikaStdLib_SysObj_clear(PikaObj* self) {
-    pika_platform_clear();
-}
-
-void PikaStdLib_SysObj_gcdump(PikaObj* self) {
-    pikaGC_markDump();
-}
-
-Arg* PikaStdLib_SysObj_abs(PikaObj* self, Arg* val) {
-    ArgType type = arg_getType(val);
-    if (type == ARG_TYPE_INT) {
-        int64_t v = arg_getInt(val);
-        if (v < 0) {
-            v = -v;
-        }
-        return arg_newInt(v);
-    }
-    if (type == ARG_TYPE_FLOAT) {
-        pika_float v = arg_getFloat(val);
-        if (v < 0) {
-            v = -v;
-        }
-        return arg_newFloat(v);
-    }
-    obj_setSysOut(self, "TypeError: bad operand type for abs()");
-    obj_setErrorCode(self, PIKA_RES_ERR_INVALID_PARAM);
-    return NULL;
-}
-
-PikaObj* New_PikaStdData_Tuple(Args* args);
-/* clang-format off */
-PIKA_PYTHON(
-@res_max = @list[0]
-for @item in @list:
-    if @item > @res_max:
-        @res_max = @item
-)
-/* clang-format on */
-extern const uint8_t bc_max[];
-/* clang-format off */
-PIKA_PYTHON(
-@res_max = @list[0]
-for @item in @list:
-    if @item < @res_max:
-        @res_max = @item
-
-)
-/* clang-format on */
-extern const uint8_t bc_min[];
-
-Arg* _max_min(PikaObj* self, PikaTuple* val, uint8_t* bc);
-
-Arg* PikaStdLib_SysObj_max(PikaObj* self, PikaTuple* val) {
-    return _max_min(self, val, (uint8_t*)bc_max);
-}
-
-Arg* PikaStdLib_SysObj_min(PikaObj* self, PikaTuple* val) {
-    return _max_min(self, val, (uint8_t*)bc_min);
-}
-
-pika_bool _isinstance(PikaObj* self, Arg* object, Arg* classinfo);
-
-pika_bool PikaStdLib_SysObj_isinstance(PikaObj* self,
-                                       Arg* object,
-                                       Arg* classinfo) {
-    return _isinstance(self, object, classinfo);
-}
diff --git a/src/PikaObj.c b/src/PikaObj.c
index 45a6bbeef..bbe7777c3 100644
--- a/src/PikaObj.c
+++ b/src/PikaObj.c
@@ -2815,10 +2815,14 @@ void builtins_remove(PikaObj* self, char* argPath) {
     }
 }
 
-Arg* _type(PikaObj* self, Arg* arg);
-
+Arg* _type(Arg* arg);
 Arg* builtins_type(PikaObj* self, Arg* arg) {
-    return _type(self, arg);
+    if (NULL == arg) {
+        obj_setSysOut(self, "[error] type: arg no found.");
+        obj_setErrorCode(self, 1);
+        return NULL;
+    }
+    return _type(arg);
 }
 
 pika_float builtins_float(PikaObj* self, Arg* arg) {
@@ -2917,13 +2921,13 @@ char* builtins_str(PikaObj* self, Arg* arg) {
     return str;
 }
 
-PikaObj* New_PikaStdLib_RangeObj(Args* args);
+PikaObj* New_builtins_RangeObj(Args* args);
 Arg* builtins_iter(PikaObj* self, Arg* arg) {
     /* object */
     pika_bool bIsTemp = pika_false;
     PikaObj* oArg = _arg_to_obj(arg, &bIsTemp);
     NewFun _clsptr = (NewFun)oArg->constructor;
-    if (_clsptr == New_PikaStdLib_RangeObj) {
+    if (_clsptr == New_builtins_RangeObj) {
         /* found RangeObj, return directly */
         return arg_copy(arg);
     }
@@ -2948,7 +2952,7 @@ Arg* builtins_iter(PikaObj* self, Arg* arg) {
 
 Arg* builtins_range(PikaObj* self, PikaTuple* ax) {
     /* set template arg to create rangeObj */
-    Arg* aRangeObj = arg_newDirectObj(New_PikaStdLib_RangeObj);
+    Arg* aRangeObj = arg_newDirectObj(New_builtins_RangeObj);
     PikaObj* oRangeObj = arg_getPtr(aRangeObj);
     RangeData tRangeData = {0};
     if (pikaTuple_getSize(ax) == 1) {
@@ -3387,80 +3391,107 @@ static enum shellCTRL __obj_shellLineHandler_input(PikaObj* self,
     return SHELL_CTRL_EXIT;
 }
 
-Arg* _type(PikaObj* self, Arg* arg) {
-    if (NULL == arg) {
-        obj_setSysOut(self, "[error] type: arg no found.");
-        obj_setErrorCode(self, 1);
-        return arg_newNone();
-    }
+Arg* _type(Arg* arg) {
+    Arg* result;
+    PikaObj* oBuiltins = NULL;
+
     ArgType type = arg_getType(arg);
+    oBuiltins = obj_getBuiltins();
+
     if (ARG_TYPE_INT == type) {
-        return arg_copy(obj_getMethodArgWithFullPath(self, "int"));
+        result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "int"));
+        goto __exit;
     }
+
     if (ARG_TYPE_FLOAT == type) {
-        return arg_copy(obj_getMethodArgWithFullPath(self, "float"));
+        result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "float"));
+        goto __exit;
     }
+
     if (ARG_TYPE_STRING == type) {
-        return arg_copy(obj_getMethodArgWithFullPath(self, "str"));
+        result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "str"));
+        goto __exit;
     }
+
     if (ARG_TYPE_BOOL == type) {
-        return arg_copy(obj_getMethodArgWithFullPath(self, "bool"));
+        result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "bool"));
+        goto __exit;
     }
+
+    if (ARG_TYPE_BYTES == type) {
+        result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "bytes"));
+        goto __exit;
+    }
+
     if (argType_isObject(type)) {
         PikaObj* obj = arg_getPtr(arg);
         NewFun clsptr = obj_getClass(obj);
         PikaObj* New_PikaStdData_List(Args * args);
-        /* list */
+
         if (clsptr == New_PikaStdData_List) {
-            return arg_copy(obj_getMethodArgWithFullPath(self, "list"));
+            result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "list"));
+            goto __exit;
         }
-        /* dict */
+
         PikaObj* New_PikaStdData_Dict(Args * args);
+
         if (clsptr == New_PikaStdData_Dict) {
-            return arg_copy(obj_getMethodArgWithFullPath(self, "dict"));
+            result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "dict"));
+            goto __exit;
         }
-        /* tuple */
+
         PikaObj* New_PikaStdData_Tuple(Args * args);
+
         if (clsptr == New_PikaStdData_Tuple) {
-            return arg_copy(obj_getMethodArgWithFullPath(self, "tuple"));
+            result = arg_copy(obj_getMethodArgWithFullPath(oBuiltins, "tuple"));
+            goto __exit;
         }
+
 #if PIKA_TYPE_FULL_FEATURE_ENABLE
         Arg* aMethod = obj_getArg(obj, "__class__");
+
         if (NULL != aMethod) {
-            return arg_copy(aMethod);
+            result = arg_copy(aMethod);
+            goto __exit;
         }
 #endif
-        return arg_newStr("<class 'object'>");
-    }
-    if (ARG_TYPE_OBJECT_META == type) {
-        return arg_newStr("<class 'meta object'>");
-    }
-    if (ARG_TYPE_BYTES == type) {
-        return arg_newStr("<class 'bytes'>");
-    }
-    if (ARG_TYPE_METHOD_OBJECT == type) {
-        return arg_newStr("<class 'method'>");
-    }
-    if (ARG_TYPE_METHOD_STATIC == type) {
-        return arg_newStr("<class 'function'>");
-    }
-    if (ARG_TYPE_NONE == type) {
-        return arg_newStr("<class 'NoneType'>");
-    }
-    return arg_newStr("<class 'buitin_function_or_method'>");
-}
-
-pika_bool _isinstance(PikaObj* self, Arg* object, Arg* classinfo) {
-    pika_bool res = pika_false;
-    Arg* aObjType = NULL;
-    if (!argType_isConstructor(arg_getType(classinfo)) &&
-        !argType_isCallable(arg_getType(classinfo))) {
-        obj_setErrorCode(self, 1);
-        __platform_printf("TypeError: isinstance() arg 2 must be a type\r\n");
-        res = pika_false;
+        result = arg_newStr("<class 'object'>");
         goto __exit;
     }
-    aObjType = _type(self, object);
+
+    if (ARG_TYPE_OBJECT_META == type) {
+        result = arg_newStr("<class 'meta object'>");
+        goto __exit;
+    }
+
+    if (ARG_TYPE_METHOD_OBJECT == type) {
+        result = arg_newStr("<class 'method'>");
+        goto __exit;
+    }
+
+    if (ARG_TYPE_METHOD_STATIC == type) {
+        result = arg_newStr("<class 'function'>");
+        goto __exit;
+    }
+
+    if (ARG_TYPE_NONE == type) {
+        result = arg_newStr("<class 'NoneType'>");
+        goto __exit;
+    }
+
+    result = arg_newStr("<class 'buitin_function_or_method'>");
+
+__exit:
+    if (NULL != oBuiltins) {
+        obj_deinit(oBuiltins);
+    }
+    return result;
+}
+
+pika_bool _isinstance(Arg* object, Arg* classinfo) {
+    pika_bool res = pika_false;
+    Arg* aObjType = NULL;
+    aObjType = _type(object);
     while (1) {
         if (arg_getPtr(aObjType) == arg_getPtr(classinfo)) {
             res = pika_true;
@@ -3624,5 +3655,33 @@ Arg* builtins_min(PikaObj* self, PikaTuple* val) {
 }
 
 pika_bool builtins_isinstance(PikaObj* self, Arg* object, Arg* classinfo) {
-    return _isinstance(self, object, classinfo);
+    if (!argType_isConstructor(arg_getType(classinfo)) &&
+        !argType_isCallable(arg_getType(classinfo))) {
+        obj_setErrorCode(self, 1);
+        __platform_printf("TypeError: isinstance() arg 2 must be a type\r\n");
+        return pika_false;
+    }
+    return _isinstance(object, classinfo);
+}
+
+Arg* builtins_StringObj___next__(PikaObj* self) {
+    return arg_newNone();
+}
+
+Arg* builtins_RangeObj___next__(PikaObj* self) {
+    RangeData* _ = (RangeData*)args_getStruct(self->list, "_");
+    int end = _->end;
+    int step = _->step;
+    /* exit */
+    if (_->i >= end) {
+        return arg_newNone();
+    }
+    Arg* res = arg_newInt(_->i);
+    _->i += step;
+    return res;
+}
+
+PikaObj* New_builtins(Args* args);
+PikaObj* obj_getBuiltins(void) {
+    return newNormalObj(New_builtins);
 }
diff --git a/src/PikaObj.h b/src/PikaObj.h
index 8c539c5fb..f99e24004 100644
--- a/src/PikaObj.h
+++ b/src/PikaObj.h
@@ -224,6 +224,7 @@ PIKA_RES obj_setArg_noCopy(PikaObj* self, char* argPath, Arg* arg);
 PIKA_RES obj_setBytes(PikaObj* self, char* argPath, uint8_t* src, size_t size);
 
 void* obj_getPtr(PikaObj* self, char* argPath);
+PikaObj* obj_getBuiltins(void);
 pika_float obj_getFloat(PikaObj* self, char* argPath);
 char* obj_getStr(PikaObj* self, char* argPath);
 int64_t obj_getInt(PikaObj* self, char* argPath);
@@ -576,7 +577,7 @@ Arg* arg_toStrArg(Arg* arg);
 
 /* [example]
 const MethodProp floatMethod = {
-    .ptr = (void*)PikaStdLib_SysObj_floatMethod,
+    .ptr = (void*)builtins_floatMethod,
     .bytecode_frame = NULL,
     .def_context = NULL,
     .declareation = "float(arg)",
diff --git a/src/PikaVM.c b/src/PikaVM.c
index 5e2853dfd..f13a495bc 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -931,6 +931,7 @@ static Arg* VM_instruction_handler_REF(PikaObj* self,
     char* arg_path = data;
     char* arg_name = strPointToLastToken(arg_path, '.');
     pika_bool is_temp = pika_false;
+    PikaObj* oBuiltins = NULL;
 
     switch (data[0]) {
         case 'T':
@@ -960,14 +961,14 @@ static Arg* VM_instruction_handler_REF(PikaObj* self,
         /* find host from stack */
         Arg* host_arg = stack_popArg_alloc(&(vm->stack));
         if (NULL == host_arg) {
-            goto exit;
+            goto __exit;
         }
         if (arg_isObject(host_arg)) {
             oHost = arg_getPtr(host_arg);
             aRes = arg_copy_noalloc(obj_getArg(oHost, arg_path + 1), aRetReg);
         }
         arg_deinit(host_arg);
-        goto exit;
+        goto __exit;
     }
 
     /* find in local list first */
@@ -982,7 +983,7 @@ static Arg* VM_instruction_handler_REF(PikaObj* self,
 
     /* error cannot found host_object */
     if (NULL == oHost) {
-        goto exit;
+        goto __exit;
     }
 
     /* proxy */
@@ -1010,13 +1011,26 @@ static Arg* VM_instruction_handler_REF(PikaObj* self,
         if (NULL == aRes) {
             aRes = _obj_getProp(vm->globals, arg_name);
         }
+
+        /* find res in builtins */
+        if (NULL == aRes) {
+            oBuiltins = obj_getBuiltins();
+            aRes = args_getArg(oBuiltins->list, arg_name);
+        }
+
+        if (NULL == aRes) {
+            aRes = _obj_getProp(oBuiltins, arg_name);
+        }
     }
 
     /* proxy */
     if (NULL == aRes) {
         aRes = _proxy_getattr(oHost, arg_name);
     }
-exit:
+__exit:
+    if (NULL != oBuiltins) {
+        obj_deinit(oBuiltins);
+    }
     if (NULL == aRes) {
         VMState_setErrorCode(vm, PIKA_RES_ERR_ARG_NO_FOUND);
         pika_platform_printf("NameError: name '%s' is not defined\r\n",
@@ -1845,6 +1859,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
     pika_bool bSkipInit = pika_false;
     char* sSysOut;
     int iNumUsed = 0;
+    PikaObj* oBuiltin = NULL;
     arg_newReg(arg_reg1, 32);
     RunState tSubRunState = {.try_state = vm->run_state->try_state,
                              .try_result = TRY_RESULT_NONE};
@@ -1867,11 +1882,11 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
         if (VMState_getInputArgNum(vm) == 1) {
             /* return arg directly */
             aReturn = stack_popArg(&(vm->stack), aReturnRegistor);
-            goto exit;
+            goto __exit;
         }
         /* create a tuple */
         aReturn = _vm_create_list_or_tuple(self, vm, pika_false);
-        goto exit;
+        goto __exit;
     }
 
 #if !PIKA_NANO_ENABLE
@@ -1889,7 +1904,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
     aReturn = _builtin_class(sRunPath);
 
     if (NULL != aReturn) {
-        goto exit;
+        goto __exit;
     }
 
     /* get method host obj from reg */
@@ -1953,7 +1968,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
         /* error, not found object */
         VMState_setErrorCode(vm, PIKA_RES_ERR_ARG_NO_FOUND);
         pika_platform_printf("Error: method '%s' no found.\r\n", sRunPath);
-        goto exit;
+        goto __exit;
     }
 
     pika_assert(obj_checkAlive(oMethodHost));
@@ -1977,11 +1992,11 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
     }
 
     if (sArgName == sRunPath) {
-        /* get method in locals */
+        /* find method in locals */
         if (NULL == aMethod) {
             aMethod = obj_getMethodArg_noalloc(vm->locals, sArgName, &arg_reg1);
         }
-        /* get method in global */
+        /* find method in global */
         if (NULL == aMethod) {
             aMethod =
                 obj_getMethodArg_noalloc(vm->globals, sArgName, &arg_reg1);
@@ -1989,6 +2004,14 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
                 oThis = vm->globals;
             }
         }
+        /* find method in builtin */
+        if (NULL == aMethod) {
+            oBuiltin = obj_getBuiltins();
+            aMethod = obj_getMethodArg_noalloc(oBuiltin, sArgName, &arg_reg1);
+            if (aMethod != NULL) {
+                oThis = oBuiltin;
+            }
+        }
     }
 
     if (NULL == aMethod) {
@@ -2010,7 +2033,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
         VMState_setErrorCode(vm, PIKA_RES_ERR_ARG_NO_FOUND);
         pika_platform_printf("NameError: name '%s' is not defined\r\n",
                              sRunPath);
-        goto exit;
+        goto __exit;
     }
 
     /* assert methodd type */
@@ -2019,7 +2042,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
         VMState_setErrorCode(vm, PIKA_RES_ERR_ARG_NO_FOUND);
         pika_platform_printf("TypeError: '%s' object is not callable\r\n",
                              sRunPath);
-        goto exit;
+        goto __exit;
     }
 
     /* create sub local scope */
@@ -2031,7 +2054,7 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
 
     /* load args failed */
     if (vm->error_code != 0) {
-        goto exit;
+        goto __exit;
     }
 
     /* run method arg */
@@ -2096,8 +2119,8 @@ static Arg* VM_instruction_handler_RUN(PikaObj* self,
         VMState_setErrorCode(vm, PIKA_RES_ERR_RUNTIME_ERROR);
     }
 
-    goto exit;
-exit:
+    goto __exit;
+__exit:
     if (NULL != aMethod) {
         arg_deinit(aMethod);
     }
@@ -2107,6 +2130,9 @@ exit:
 #endif
         obj_deinit(oSublocals);
     }
+    if (NULL != oBuiltin) {
+        obj_deinit(oBuiltin);
+    }
     if (NULL != aStack && aMethod != aStack) {
         arg_deinit(aStack);
     }
diff --git a/test/class-test.cpp b/test/class-test.cpp
index e217567c0..ffe86d3c9 100644
--- a/test/class-test.cpp
+++ b/test/class-test.cpp
@@ -80,19 +80,19 @@ TEST(class, dir_) {
 
 extern "C" {
 
-void PikaStdLib_SysObj_intMethod(PikaObj* self, Args* args);
-method_typedef(PikaStdLib_SysObj_int, "int", "arg");
+void builtins_intMethod(PikaObj* self, Args* args);
+method_typedef(builtins_int, "int", "arg");
 
-void PikaStdLib_SysObj_floatMethod(PikaObj* self, Args* args);
-method_typedef(PikaStdLib_SysObj_float, "float", "arg");
+void builtins_floatMethod(PikaObj* self, Args* args);
+method_typedef(builtins_float, "float", "arg");
 
-void PikaStdLib_SysObj_printMethod(PikaObj* self, Args* args);
-method_typedef(PikaStdLib_SysObj_print, "print", "*val,**ops");
+void builtins_printMethod(PikaObj* self, Args* args);
+method_typedef(builtins_print, "print", "*val,**ops");
 
 class_def(PikaStdLib_SysObj){
-    method_def(PikaStdLib_SysObj_int, hash_time33("int")),
-    method_def(PikaStdLib_SysObj_float, hash_time33("float")),
-    method_def(PikaStdLib_SysObj_print, hash_time33("print")),
+    method_def(builtins_int, hash_time33("int")),
+    method_def(builtins_float, hash_time33("float")),
+    method_def(builtins_print, hash_time33("print")),
 };
 class_inhert(PikaStdLib_SysObj, TinyObj);
 
@@ -101,9 +101,6 @@ PikaObj* New_NativeMethodBase(Args* args) {
     obj_setClass(self, PikaStdLib_SysObj);
     return self;
 }
-
-
-
 }
 
 TEST(class, native_class1) {