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dfhack
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Fix circular lua script dependencies

develop
lethosor 2015-06-05 19:08:11 -04:00
parent 84d37ebfc7
commit bb93f2e40f
1 changed files with 18 additions and 5 deletions
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23
library/lua/dfhack.lua
Unescape Escape View File

@ -392,6 +392,9 @@ function Script:init(path)
self.mtime = dfhack.filesystem.mtime(path)
self._flags = {}
end
function Script:needs_update()
return (not self.env) or self.mtime ~= dfhack.filesystem.mtime(self.path)
end
function Script:get_flags()
if self.flags_mtime ~= dfhack.filesystem.mtime(self.path) then
self.flags_mtime = dfhack.filesystem.mtime(self.path)
@ -463,14 +466,24 @@ function dfhack.enable_script(name, state)
end
function dfhack.reqscript(name)
_, env = dfhack.run_script_with_env(nil, name, {module=true})
return env
return dfhack.script_environment(name, true)
end
reqscript = dfhack.reqscript
function dfhack.script_environment(name)
_, env = dfhack.run_script_with_env(nil, name, {module=true, module_strict=false})
return env
function dfhack.script_environment(name, strict)
local path = dfhack.findScript(name)
if not scripts[path] or scripts[path]:needs_update() then
local _, env = dfhack.run_script_with_env(nil, name, {
module=true,
module_strict=strict and true or false -- ensure that this key is present if 'strict' is nil
})
return env
else
if strict and not scripts[path]:get_flags().module then
error(('%s: %s'):format(name, valid_script_flags.module.error))
end
return scripts[path].env
end
end
function dfhack.run_script_with_env(envVars, name, flags, ...)