URL:
<http://gna.org/patch/?1656>
Summary: Export specenum_gen enums in the Lua event
scripting API
Project: Freeciv
Submitted by: englabenny
Submitted on: fredag 2010-04-30 den 17:37
Category: None
Priority: 5 - Normal
Status: Ready For Test
Privacy: Public
Assigned to: englabenny
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Planned Release: 2.3.0
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Details:
With specenum we can easily export enums to lua using runtime name to
value lookup.
(Given progress with Matthias' patches on specenums, this looks like a very
good direction of development. The following patch only exports the events.h
specenum, the only one used in the API right now).
The looked-up value is written back to the lua table and thus every
lookup after the first will be looked up in the lua-side table
(remember, the __index metamethod in Lua is only a fallback).
api_specenum is exported by writing functions against the Lua C API
directly, without using tolua. This because the enum lookup is written
as template only once and can be instantiated for each specenum type.
Scripting API incompatibilities:
Typos are not preserved (E.E_LOG_ERROR was exported, should have been and
is now E.LOG_ERROR)
The 'E' table/module is no longer iterable (=introspectable) since it is
dynamically looked up.
I consider these incompatibilities trivial and nothing to worry about.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: fredag 2010-04-30 den 17:37 Name:
2010043002-Export-specenum_gen-enums-in-the-Lua-event-scr.patch Size: 13 kB
By: englabenny
<http://gna.org/patch/download.php?file_id=9093>
_______________________________________________________
Reply to this item at:
<http://gna.org/patch/?1656>
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