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SaferLua extension for coroutine controllers to come...

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This commit is contained in:
Joachim Stolberg 2018-07-08 22:41:25 +02:00
parent ba051e45c5
commit 93b57cb780
1 changed files with 10 additions and 5 deletions
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15
safer_lua/environ.lua
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@ -117,7 +117,7 @@ function safer_lua.run_loop(pos, elapsed, code, err_clbk)
end end
local res, err = pcall(code) local res, err = pcall(code)
if calc_used_mem_size(env) > safer_lua.MaxTableSize then if calc_used_mem_size(env) > safer_lua.MaxTableSize then
err_clbk("Memory limit exceeded") err_clbk(pos, "Memory limit exceeded")
return false return false
end end
if not res then if not res then
@ -131,12 +131,17 @@ end
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
-- Endless/Coroutine controller -- Endless/Coroutine controller
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
local function thread(code) local function thread(pos, code, err_clbk)
while true do while true do
code() local res, err = pcall(code)
if not res then
err = err:gsub("%[string .+%]:", "loop() ")
err_clbk(pos, err)
return false
end
local env = getfenv(code) local env = getfenv(code)
if calc_used_mem_size(env) > safer_lua.MaxTableSize then if calc_used_mem_size(env) > safer_lua.MaxTableSize then
err_clbk("Memory limit exceeded") err_clbk(pos, "Memory limit exceeded")
return false return false
end end
coroutine.yield() coroutine.yield()
@ -149,7 +154,7 @@ function safer_lua.co_create(pos, init, loop, environ, err_clbk)
end end
function safer_lua.co_resume(pos, co, code, err_clbk) function safer_lua.co_resume(pos, co, code, err_clbk)
local res, err = coroutine.resume(co, code) local res, err = coroutine.resume(co, pos, code, err_clbk)
if not res then if not res then
err = err:gsub("%[string .+%]:", "loop() ") err = err:gsub("%[string .+%]:", "loop() ")
err_clbk(pos, err) err_clbk(pos, err)