libsigrokdecode
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module_sigrokdecode.c
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1 /*
2  * This file is part of the sigrok project.
3  *
4  * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
21 #include "sigrokdecode-internal.h"
22 #include "config.h"
23 
24 /* type_decoder.c */
25 extern SRD_PRIV PyTypeObject srd_Decoder_type;
26 
27 /* type_logic.c */
28 extern SRD_PRIV PyTypeObject srd_logic_type;
29 
30 /*
31  * When initialized, a reference to this module inside the Python interpreter
32  * lives here.
33  */
34 SRD_PRIV PyObject *mod_sigrokdecode = NULL;
35 
36 static struct PyModuleDef sigrokdecode_module = {
37  PyModuleDef_HEAD_INIT,
38  .m_name = "sigrokdecode",
39  .m_doc = "sigrokdecode module",
40  .m_size = -1,
41 };
42 
43 /* FIXME: SRD_PRIV causes issues on MinGW. Investigate. */
44 PyMODINIT_FUNC PyInit_sigrokdecode(void)
45 {
46  PyObject *mod;
47 
48  /* tp_new needs to be assigned here for compiler portability. */
49  srd_Decoder_type.tp_new = PyType_GenericNew;
50  if (PyType_Ready(&srd_Decoder_type) < 0)
51  return NULL;
52 
53  srd_logic_type.tp_new = PyType_GenericNew;
54  if (PyType_Ready(&srd_logic_type) < 0)
55  return NULL;
56 
57  mod = PyModule_Create(&sigrokdecode_module);
58  Py_INCREF(&srd_Decoder_type);
59  if (PyModule_AddObject(mod, "Decoder",
60  (PyObject *)&srd_Decoder_type) == -1)
61  return NULL;
62  Py_INCREF(&srd_logic_type);
63  if (PyModule_AddObject(mod, "srd_logic",
64  (PyObject *)&srd_logic_type) == -1)
65  return NULL;
66 
67  /* expose output types as symbols in the sigrokdecode module */
68  if (PyModule_AddIntConstant(mod, "OUTPUT_ANN", SRD_OUTPUT_ANN) == -1)
69  return NULL;
70  if (PyModule_AddIntConstant(mod, "OUTPUT_PROTO",
71  SRD_OUTPUT_PROTO) == -1)
72  return NULL;
73  if (PyModule_AddIntConstant(mod, "OUTPUT_BINARY",
74  SRD_OUTPUT_BINARY) == -1)
75  return NULL;
76 
77  mod_sigrokdecode = mod;
78 
79  return mod;
80 }