1 /*
2  * This file is part of the libsigrokdecode 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 <config.h>
21 #include "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
22 #include "libsigrokdecode.h"
23 
24 /** @cond PRIVATE */
25 
26 /*
27  * When initialized, a reference to this module inside the Python interpreter
28  * lives here.
29  */
30 SRD_PRIV PyObject *mod_sigrokdecode = NULL;
31 
32 /** @endcond */
33 
34 static struct PyModuleDef sigrokdecode_module = {
35 	PyModuleDef_HEAD_INIT,
36 	.m_name = "sigrokdecode",
37 	.m_doc = "sigrokdecode module",
38 	.m_size = -1,
39 };
40 
41 /** @cond PRIVATE */
PyInit_sigrokdecode(void)42 PyMODINIT_FUNC PyInit_sigrokdecode(void)
43 {
44 	PyObject *mod, *Decoder_type;
45 	PyGILState_STATE gstate;
46 
47 	gstate = PyGILState_Ensure();
48 
49 	mod = PyModule_Create(&sigrokdecode_module);
50 	if (!mod)
51 		goto err_out;
52 
53 	Decoder_type = srd_Decoder_type_new();
54 	if (!Decoder_type)
55 		goto err_out;
56 	if (PyModule_AddObject(mod, "Decoder", Decoder_type) < 0)
57 		goto err_out;
58 
59 	/* Expose output types as symbols in the sigrokdecode module */
60 	if (PyModule_AddIntConstant(mod, "OUTPUT_ANN", SRD_OUTPUT_ANN) < 0)
61 		goto err_out;
62 	if (PyModule_AddIntConstant(mod, "OUTPUT_PYTHON", SRD_OUTPUT_PYTHON) < 0)
63 		goto err_out;
64 	if (PyModule_AddIntConstant(mod, "OUTPUT_BINARY", SRD_OUTPUT_BINARY) < 0)
65 		goto err_out;
66 	if (PyModule_AddIntConstant(mod, "OUTPUT_META", SRD_OUTPUT_META) < 0)
67 		goto err_out;
68 	/* Expose meta input symbols. */
69 	if (PyModule_AddIntConstant(mod, "SRD_CONF_SAMPLERATE", SRD_CONF_SAMPLERATE) < 0)
70 		goto err_out;
71 
72 	mod_sigrokdecode = mod;
73 
74 	PyGILState_Release(gstate);
75 
76 	return mod;
77 
78 err_out:
79 	Py_XDECREF(mod);
80 	srd_exception_catch("Failed to initialize module");
81 	PyGILState_Release(gstate);
82 
83 	return NULL;
84 }
85 
86 /** @endcond */
87