blob: 0d50a383a14d986e3b6127be477cfabf2655fd17 [file] [log] [blame]
Rich Lanea06d0c32013-03-25 08:52:03 -07001:: # Copyright 2013, Big Switch Networks, Inc.
2:: #
3:: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
4:: # the following special exception:
5:: #
6:: # LOXI Exception
7:: #
8:: # As a special exception to the terms of the EPL, you may distribute libraries
9:: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
10:: # that copyright and licensing notices generated by LoxiGen are not altered or removed
11:: # from the LoxiGen Libraries and the notice provided below is (i) included in
12:: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any
13:: # documentation for the LoxiGen Libraries, if distributed in binary form.
14:: #
15:: # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
16:: #
17:: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
18:: # a copy of the EPL at:
19:: #
20:: # http://www.eclipse.org/legal/epl-v10.html
21:: #
22:: # Unless required by applicable law or agreed to in writing, software
23:: # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
24:: # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
25:: # EPL for the specific language governing permissions and limitations
26:: # under the EPL.
27::
28:: # TODO coalesce format strings
29:: all_members = ofclass.members[:]
30:: if ofclass.length_member: all_members.append(ofclass.length_member)
31:: all_members.extend(ofclass.type_members)
32:: all_members.sort(key=lambda x: x.offset)
33:: length_member_index = None
34:: index = 0
35:: for m in all_members:
36:: if m == ofclass.length_member:
37:: length_member_index = index
38 packed.append(${m.oftype.gen_pack_expr('0')}) # placeholder for ${m.name} at index ${length_member_index}
39:: else:
40 packed.append(${m.oftype.gen_pack_expr('self.' + m.name)})
41:: #endif
42:: index += 1
43:: #endfor
44:: if length_member_index != None:
45 length = sum([len(x) for x in packed])
46 packed[${length_member_index}] = ${ofclass.length_member.oftype.gen_pack_expr('length')}
47:: #endif