add utf8.sub and lastof

1 files changed, 4 insertions, 0 deletions

diff --git a/core/src/xmake/engine.c b/core/src/xmake/engine.c
index ff7c79061..098a808c8 100644
--- a/core/src/xmake/engine.c
+++ b/core/src/xmake/engine.c
@@ -285,6 +285,8 @@ tb_int_t xm_utf8_char(lua_State *lua);
 tb_int_t xm_utf8_codepoint(lua_State *lua);
 tb_int_t xm_utf8_offset(lua_State *lua);
 tb_int_t xm_utf8_codes(lua_State *lua);
+tb_int_t xm_utf8_sub(lua_State *lua);
+tb_int_t xm_utf8_lastof(lua_State *lua);
 
 // the string functions
 tb_int_t xm_string_trim(lua_State *lua);
@@ -597,6 +599,8 @@ static luaL_Reg const g_utf8_functions[] = {
     {"codepoint", xm_utf8_codepoint},
     {"len", xm_utf8_len},
     {"offset", xm_utf8_offset},
+    {"sub", xm_utf8_sub},
+    {"lastof", xm_utf8_lastof},
     {tb_null, tb_null}
 };