Module:LuaCall: Difference between revisions
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rm unnecessary use of preprocess |
NaN is another var, which is nil. tonumber('0') is conditionally true |
||
Line 6: | Line 6: | ||
local reserved_function,reserved_contents | local reserved_function,reserved_contents | ||
for k,v in pairs(parent.args or {}) do | for k,v in pairs(parent.args or {}) do | ||
if tonumber(v) | --if tonumber(v) then v=tonumber(v) end | ||
_G[k]=v -- transfer every parameter directly to the global variable table | _G[k]=tonumber(v) or v -- transfer every parameter directly to the global variable table | ||
-- debuglog=debuglog..k.."="..v.."</nowiki><br /><nowiki>" | -- debuglog=debuglog..k.."="..v.."</nowiki><br /><nowiki>" | ||
end | end | ||
for k,v in pairs(frame.args or {}) do | for k,v in pairs(frame.args or {}) do | ||
if tonumber(v) | --if tonumber(v) then v=tonumber(v) end | ||
_G[k]=v -- transfer every parameter directly to the global variable table | _G[k]=tonumber(v) or v -- transfer every parameter directly to the global variable table | ||
end | end | ||
--- Alas Scribunto does NOT implement coroutines, according to | --- Alas Scribunto does NOT implement coroutines, according to |
Revision as of 08:11, 1 March 2019
Documentation for this module may be created at Module:LuaCall/doc
local p={}
function p.main(frame)
local parent=frame.getParent(frame) or {}
local reserved_value={}
local reserved_function,reserved_contents
for k,v in pairs(parent.args or {}) do
--if tonumber(v) then v=tonumber(v) end
_G[k]=tonumber(v) or v -- transfer every parameter directly to the global variable table
-- debuglog=debuglog..k.."="..v.."</nowiki><br /><nowiki>"
end
for k,v in pairs(frame.args or {}) do
--if tonumber(v) then v=tonumber(v) end
_G[k]=tonumber(v) or v -- transfer every parameter directly to the global variable table
end
--- Alas Scribunto does NOT implement coroutines, according to
--- http://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#string.format
--- this will not stop us from trying to implement one single lousy function call
if _G[1] then
reserved_function,reserved_contents=mw.ustring.match(_G[1],"^%s*(%a[^%s%(]*)%(([^%)]*)%)%s*$")
end
if reserved_contents then
local reserved_counter=0
repeat
reserved_counter=reserved_counter+1
reserved_value[reserved_counter]=_G[mw.ustring.match(reserved_contents,"([^%,]+)")]
reserved_contents=mw.ustring.match(reserved_contents,"[^%,]+,(.*)$")
until not reserved_contents
end
local reserved_arraypart=_G
while mw.ustring.match(reserved_function,"%.") do
reserved_functionpart,reserved_function=mw.ustring.match(reserved_function,"^(%a[^%.]*)%.(.*)$")
reserved_arraypart=reserved_arraypart[reserved_functionpart]
end
local reserved_call=reserved_arraypart[reserved_function]
if type(reserved_call)~="function" then
return tostring(reserved_call)
elseif reserved_debug or not reserved_function then return mw.text.nowiki(debuglog)
else reserved_output={reserved_call(unpack(reserved_value))}
return reserved_output[reserved_return or 1]
end
end
return p