giscanner/giscannermodule.c

   1 /* GObject introspection: scanner
   2  *
   3  * Copyright (C) 2008
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #  include "config.h"
  24 #endif
  25 #include "sourcescanner.h"
  26 #include <Python.h>
  27
  28 #define NEW_CLASS(ctype, name, cname)         \
  29 static PyMethodDef _Py##cname##_methods[];    \
  30 PyTypeObject Py##cname##_Type = {             \
  31     PyObject_HEAD_INIT(NULL)                  \
  32     0,                                        \
  33     "scanner." name,                          \
  34     sizeof(ctype),                    \
  35     0, 0, 0, 0, 0, 0, 0, 0, 0, 0,             \
  36     0, 0, 0, 0, 0, 0,                         \
  37     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, \
  38     NULL, 0, 0, 0,                            \
  39     0,        \
  40     0, 0,                                     \
  41     0,                                        \
  42     0, 0, NULL, NULL, 0, 0,                   \
  43     0             \
  44 }
  45
  46 #define REGISTER_TYPE(d, name, type)          \
  47     type.ob_type = &PyType_Type;              \
  48     type.tp_alloc = PyType_GenericAlloc;      \
  49     type.tp_new = PyType_GenericNew;          \
  50     if (PyType_Ready (&type))                 \
  51         return;                               \
  52     PyDict_SetItemString (d, name, (PyObject *)&type); \
  53     Py_INCREF (&type);
  54
  55 typedef struct {
  56   PyObject_HEAD
  57   GISourceType *type;
  58 } PyGISourceType;
  59
  60 typedef struct {
  61   PyObject_HEAD
  62   GISourceSymbol *symbol;
  63 } PyGISourceSymbol;
  64
  65 typedef struct {
  66   PyObject_HEAD
  67   GISourceScanner *scanner;
  68 } PyGISourceScanner;
  69
  70 NEW_CLASS(PyGISourceSymbol, "SourceSymbol", GISourceSymbol);
  71 NEW_CLASS(PyGISourceType, "SourceType", GISourceType);
  72 NEW_CLASS(PyGISourceScanner, "SourceScanner", GISourceScanner);
  73
  74
  75 /* Symbol */
  76
  77 static PyObject *
  78 symbol_get_type(PyGISourceSymbol *self,
  79                 void             *context)
  80 {
  81   return PyInt_FromLong(self->symbol->type);
  82 }
  83
  84 static PyObject *
  85 symbol_get_ident(PyGISourceSymbol *self,
  86                   void            *context)
  87 {
  88   return PyString_FromString(self->symbol->ident);
  89 }
  90
  91 static PyObject *
  92 symbol_get_base_type(PyGISourceSymbol *self,
  93                      void             *context)
  94 {
  95   PyGISourceType *item;
  96   item = (PyGISourceType *)PyObject_GC_New(PyGISourceType,
  97                                            &PyGISourceType_Type);
  98   item->type = self->symbol->base_type;
  99   return (PyObject*)item;
 100 }
 101
 102 static PyGetSetDef _PyGISourceSymbol_getsets[] = {
 103   { "type", (getter)symbol_get_type, NULL, NULL},
 104   { "ident", (getter)symbol_get_ident, NULL, NULL},
 105   { "base_type", (getter)symbol_get_base_type, NULL, NULL},
 106   { 0 }
 107 };
 108
 109
 110
 111 /* Type */
 112
 113 static PyObject *
 114 type_get_type(PyGISourceType *self,
 115               void           *context)
 116 {
 117   return PyInt_FromLong(self->type->type);
 118 }
 119
 120 static PyObject *
 121 type_get_name(PyGISourceType *self,
 122               void           *context)
 123 {
 124   if (!self->type->name)
 125     {
 126       Py_INCREF(Py_None);
 127       return Py_None;
 128     }
 129
 130   return PyString_FromString(self->type->name);
 131 }
 132
 133 static PyGetSetDef _PyGISourceType_getsets[] = {
 134   { "type", (getter)type_get_type, NULL, NULL},
 135   { "name", (getter)type_get_name, NULL, NULL},
 136   { 0 }
 137 };
 138
 139
 140
 141 /* Scanner */
 142
 143 static int
 144 pygi_source_scanner_init (PyGISourceScanner *self,
 145                           PyObject          *args,
 146                           PyObject          *kwargs)
 147 {
 148   if (!PyArg_ParseTuple (args, ":SourceScanner.__init__"))
 149     return -1;
 150
 151   self->scanner = gi_source_scanner_new ();
 152
 153   return 0;
 154 }
 155
 156 static PyObject *
 157 pygi_source_scanner_parse_file (PyGISourceScanner *self,
 158                                 PyObject          *args)
 159 {
 160   char *filename;
 161   FILE *fp;
 162
 163   if (!PyArg_ParseTuple (args, "s:SourceScanner.__init__", &filename))
 164     return NULL;
 165
 166   fp = fopen (filename, "r");
 167   if (!fp)
 168     {
 169       PyErr_SetFromErrnoWithFilename (PyExc_OSError, filename);
 170       return NULL;
 171     }
 172
 173   self->scanner->filenames =
 174     g_list_append (self->scanner->filenames, g_strdup (filename));
 175   self->scanner->current_filename = self->scanner->filenames->data;
 176
 177   if (!gi_source_scanner_parse_file (self->scanner, fp))
 178     {
 179       g_print ("Something went wrong..\n");
 180       return NULL;
 181     }
 182
 183   fclose (fp);
 184
 185   Py_INCREF (Py_None);
 186   return Py_None;
 187 }
 188
 189 static PyObject *
 190 pygi_source_scanner_set_macro_scan (PyGISourceScanner *self,
 191                                     PyObject          *args)
 192 {
 193   int macro_scan;
 194
 195   if (!PyArg_ParseTuple (args, "b:SourceScanner.set_macro_scan", &macro_scan))
 196     return NULL;
 197
 198   gi_source_scanner_set_macro_scan (self->scanner, macro_scan);
 199
 200   Py_INCREF (Py_None);
 201   return Py_None;
 202 }
 203
 204 static PyObject *
 205 pygi_source_scanner_get_symbols (PyGISourceScanner *self)
 206 {
 207   GSList *l, *symbols;
 208   PyObject *list;
 209   int i = 0;
 210
 211   symbols = gi_source_scanner_get_symbols (self->scanner);
 212   list = PyList_New (g_slist_length (symbols));
 213
 214   for (l = symbols; l; l = l->next)
 215     {
 216       PyGISourceSymbol *item;
 217       item = (PyGISourceSymbol *)PyObject_GC_New(PyGISourceSymbol,
 218                                                  &PyGISourceSymbol_Type);
 219       item->symbol = l->data;
 220       PyList_SetItem(list, i++, (PyObject*)item);
 221     }
 222
 223   return list;
 224 }
 225
 226 static PyMethodDef _PyGISourceScanner_methods[] = {
 227   { "get_symbols", (PyCFunction) pygi_source_scanner_get_symbols, METH_NOARGS },
 228   { "parse_file", (PyCFunction) pygi_source_scanner_parse_file, METH_VARARGS },
 229   { "set_macro_scan", (PyCFunction) pygi_source_scanner_set_macro_scan, METH_VARARGS },
 230   { NULL, NULL, 0 }
 231 };
 232
 233
 234 /* Module */
 235
 236 PyMethodDef pyscanner_functions[] = {
 237   { NULL, NULL, 0, NULL }
 238 };
 239
 240 DL_EXPORT(void)
 241 init_giscanner(void)
 242 {
 243     PyObject *m, *d;
 244
 245     m = Py_InitModule ("giscanner._giscanner", pyscanner_functions);
 246     d = PyModule_GetDict (m);
 247
 248     PyGISourceScanner_Type.tp_init = (initproc)pygi_source_scanner_init;
 249     PyGISourceScanner_Type.tp_methods = _PyGISourceScanner_methods;
 250     REGISTER_TYPE (d, "SourceScanner", PyGISourceScanner_Type);
 251
 252     PyGISourceSymbol_Type.tp_getset = _PyGISourceSymbol_getsets;
 253     REGISTER_TYPE (d, "SourceSymbol", PyGISourceSymbol_Type);
 254
 255     PyGISourceType_Type.tp_getset = _PyGISourceType_getsets;
 256     REGISTER_TYPE (d, "SourceType", PyGISourceType_Type);
 257 }