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comparison pytouhou/vm/common.py @ 69:a142e57218a0

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Refactor. Move VMs to pytouhou.vm.
author Thibaut Girka <thib@sitedethib.com>
date Sat, 27 Aug 2011 10:58:54 +0200
parents
children 69ec72b990a4
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68:a2459defd4b6 69:a142e57218a0
1 # -*- encoding: utf-8 -*-
2 ##
3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
4 ##
5 ## This program is free software; you can redistribute it and/or modify
6 ## it under the terms of the GNU General Public License as published
7 ## by the Free Software Foundation; version 3 only.
8 ##
9 ## This program is distributed in the hope that it will be useful,
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ## GNU General Public License for more details.
13 ##
14
15
16 class MetaRegistry(type):
17 def __new__(mcs, name, bases, classdict):
18 instruction_handlers = {}
19 for item in classdict.itervalues():
20 try:
21 instruction_ids = item._instruction_ids
22 except AttributeError:
23 pass
24 else:
25 for id_ in instruction_ids:
26 instruction_handlers[id_] = item
27 classdict['_handlers'] = instruction_handlers
28 return type.__new__(mcs, name, bases, classdict)
29
30
31
32 def instruction(instruction_id):
33 def _decorator(func):
34 if not hasattr(func, '_instruction_ids'):
35 func._instruction_ids = set()
36 func._instruction_ids.add(instruction_id)
37 return func
38 return _decorator