From 73fc586b83edbbaf71f01ea893e47dc4ae1407ef Mon Sep 17 00:00:00 2001 From: ruki Date: Sat, 18 Sep 2021 10:27:54 +0800 Subject: add getfenv and setfenv for lua --- xmake/core/_xmake_main.lua | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/xmake/core/_xmake_main.lua b/xmake/core/_xmake_main.lua index af9b51114..94045a2f5 100644 --- a/xmake/core/_xmake_main.lua +++ b/xmake/core/_xmake_main.lua @@ -36,6 +36,42 @@ xmake._WORKING_DIR = os.curdir() xmake._FEATURES = _FEATURES xmake._LUAJIT = _LUAJIT +-- init setfenv/getfenv for lua +if not getfenv then + function getfenv(fn) + local i = 1 + while true do + local name, val = debug.getupvalue(fn, i) + if name == "_ENV" then + return val + elseif not name then + break + end + i = i + 1 + end + end +end +if not setfenv then + function setfenv(fn, env) + local i = 1 + while true do + local name = debug.getupvalue(fn, i) + if name == "_ENV" then + debug.upvaluejoin(fn, i, (function() + return env + end), 1) + break + elseif not name then + break + end + + i = i + 1 + end + return fn + end +end + +-- load the given lua file function _loadfile_impl(filepath, mode, opt) -- init options -- cgit v1.3.1