git.roojs.org Git - gnome.gobject-introspection/blob - giscanner/giscannermodule.c

   1 /* GObject introspection: scanner
   2  *
   3  * Copyright (C) 2008  Johan Dahlin <johan@gnome.org>
   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_New (PyGISourceType,
  97                                          &PyGISourceType_Type);
  98   item->type = self->symbol->base_type;
  99   return (PyObject*)item;
 100 }
 101
 102 static PyObject *
 103 symbol_get_const_int (PyGISourceSymbol *self,
 104                       void             *context)
 105 {
 106   return PyInt_FromLong (self->symbol->const_int);
 107 }
 108
 109 static PyGetSetDef _PyGISourceSymbol_getsets[] = {
 110   /* int ref_count; */
 111   { "type", (getter)symbol_get_type, NULL, NULL},
 112   /* int id; */
 113   { "ident", (getter)symbol_get_ident, NULL, NULL},
 114   { "base_type", (getter)symbol_get_base_type, NULL, NULL},
 115   /* gboolean const_int_set; */
 116   { "const_int", (getter)symbol_get_const_int, NULL, NULL},
 117   /* char *const_string; */
 118   /* GSList *directives; */
 119   { 0 }
 120 };
 121
 122
 123
 124 /* Type */
 125
 126 static PyObject *
 127 type_get_type (PyGISourceType *self,
 128                void           *context)
 129 {
 130   return PyInt_FromLong (self->type->type);
 131 }
 132
 133 static PyObject *
 134 type_get_storage_class_specifier (PyGISourceType *self,
 135                                   void           *context)
 136 {
 137   return PyInt_FromLong (self->type->storage_class_specifier);
 138 }
 139
 140 static PyObject *
 141 type_get_type_qualifier (PyGISourceType *self,
 142                          void           *context)
 143 {
 144   return PyInt_FromLong (self->type->type_qualifier);
 145 }
 146
 147 static PyObject *
 148 type_get_function_specifier (PyGISourceType *self,
 149                              void           *context)
 150 {
 151   return PyInt_FromLong (self->type->function_specifier);
 152 }
 153
 154 static PyObject *
 155 type_get_name (PyGISourceType *self,
 156                void           *context)
 157 {
 158   if (!self->type->name)
 159     {
 160       Py_INCREF (Py_None);
 161       return Py_None;
 162     }
 163
 164   return PyString_FromString (self->type->name);
 165 }
 166
 167 static PyObject *
 168 type_get_base_type (PyGISourceType *self,
 169                     void           *context)
 170 {
 171   PyGISourceType *item;
 172   item = (PyGISourceType *)PyObject_New (PyGISourceType,
 173                                          &PyGISourceType_Type);
 174   item->type = self->type->base_type;
 175   return (PyObject*)item;
 176 }
 177
 178 static PyObject *
 179 type_get_child_list (PyGISourceType *self,
 180                      void           *context)
 181 {
 182   GList *l, *symbols;
 183   PyObject *list;
 184   int i = 0;
 185
 186   if (!self->type)
 187     return Py_BuildValue("[]");
 188
 189   list = PyList_New (g_list_length (self->type->child_list));
 190
 191   for (l = self->type->child_list; l; l = l->next)
 192     {
 193       PyGISourceSymbol *item;
 194       item = (PyGISourceSymbol *)PyObject_New (PyGISourceSymbol,
 195                                                &PyGISourceSymbol_Type);
 196       item->symbol = l->data;
 197       PyList_SetItem (list, i++, (PyObject*)item);
 198       Py_INCREF (item);
 199     }
 200
 201   Py_INCREF (list);
 202   return list;
 203 }
 204
 205 static PyGetSetDef _PyGISourceType_getsets[] = {
 206   { "type", (getter)type_get_type, NULL, NULL},
 207   { "storage_class_specifier", (getter)type_get_storage_class_specifier, NULL, NULL},
 208   { "type_qualifier", (getter)type_get_type_qualifier, NULL, NULL},
 209   { "function_specifier", (getter)type_get_function_specifier, NULL, NULL},
 210   { "name", (getter)type_get_name, NULL, NULL},
 211   { "base_type", (getter)type_get_base_type, NULL, NULL},
 212   { "child_list", (getter)type_get_child_list, NULL, NULL},
 213   { 0 }
 214 };
 215
 216
 217
 218 /* Scanner */
 219
 220 static int
 221 pygi_source_scanner_init (PyGISourceScanner *self,
 222                           PyObject          *args,
 223                           PyObject          *kwargs)
 224 {
 225   if (!PyArg_ParseTuple (args, ":SourceScanner.__init__"))
 226     return -1;
 227
 228   self->scanner = gi_source_scanner_new ();
 229
 230   return 0;
 231 }
 232
 233 static PyObject *
 234 pygi_source_scanner_parse_file (PyGISourceScanner *self,
 235                                 PyObject          *args)
 236 {
 237   int fd;
 238   char *filename;
 239   FILE *fp;
 240
 241   if (!PyArg_ParseTuple (args, "is:SourceScanner.__init__", &fd, &filename))
 242     return NULL;
 243
 244   fp = fdopen (fd, "r");
 245   if (!fp)
 246     {
 247       PyErr_SetFromErrnoWithFilename (PyExc_OSError, filename);
 248       return NULL;
 249     }
 250
 251   self->scanner->filenames =
 252     g_list_append (self->scanner->filenames, g_strdup (filename));
 253   self->scanner->current_filename = g_strdup (filename);
 254
 255   if (!gi_source_scanner_parse_file (self->scanner, fp))
 256     {
 257       g_print ("Something went wrong..\n");
 258       return NULL;
 259     }
 260
 261   Py_INCREF (Py_None);
 262   return Py_None;
 263 }
 264
 265 static PyObject *
 266 pygi_source_scanner_set_macro_scan (PyGISourceScanner *self,
 267                                     PyObject          *args)
 268 {
 269   int macro_scan;
 270
 271   if (!PyArg_ParseTuple (args, "b:SourceScanner.set_macro_scan", &macro_scan))
 272     return NULL;
 273
 274   gi_source_scanner_set_macro_scan (self->scanner, macro_scan);
 275
 276   Py_INCREF (Py_None);
 277   return Py_None;
 278 }
 279
 280 static PyObject *
 281 pygi_source_scanner_get_symbols (PyGISourceScanner *self)
 282 {
 283   GSList *l, *symbols;
 284   PyObject *list;
 285   int i = 0;
 286
 287   symbols = gi_source_scanner_get_symbols (self->scanner);
 288   list = PyList_New (g_slist_length (symbols));
 289
 290   for (l = symbols; l; l = l->next)
 291     {
 292       PyGISourceSymbol *item;
 293       item = (PyGISourceSymbol *)PyObject_New (PyGISourceSymbol,
 294                                                &PyGISourceSymbol_Type);
 295       item->symbol = l->data;
 296       PyList_SetItem (list, i++, (PyObject*)item);
 297       Py_INCREF (item);
 298     }
 299
 300   Py_INCREF (list);
 301   return list;
 302 }
 303
 304 static PyMethodDef _PyGISourceScanner_methods[] = {
 305   { "get_symbols", (PyCFunction) pygi_source_scanner_get_symbols, METH_NOARGS },
 306   { "parse_file", (PyCFunction) pygi_source_scanner_parse_file, METH_VARARGS },
 307   { "set_macro_scan", (PyCFunction) pygi_source_scanner_set_macro_scan, METH_VARARGS },
 308   { NULL, NULL, 0 }
 309 };
 310
 311
 312 /* Module */
 313
 314 PyMethodDef pyscanner_functions[] = {
 315   { NULL, NULL, 0, NULL }
 316 };
 317
 318 DL_EXPORT(void)
 319 init_giscanner(void)
 320 {
 321     PyObject *m, *d;
 322
 323     m = Py_InitModule ("giscanner._giscanner", pyscanner_functions);
 324     d = PyModule_GetDict (m);
 325
 326     PyGISourceScanner_Type.tp_init = (initproc)pygi_source_scanner_init;
 327     PyGISourceScanner_Type.tp_methods = _PyGISourceScanner_methods;
 328     REGISTER_TYPE (d, "SourceScanner", PyGISourceScanner_Type);
 329
 330     PyGISourceSymbol_Type.tp_getset = _PyGISourceSymbol_getsets;
 331     REGISTER_TYPE (d, "SourceSymbol", PyGISourceSymbol_Type);
 332
 333     PyGISourceType_Type.tp_getset = _PyGISourceType_getsets;
 334     REGISTER_TYPE (d, "SourceType", PyGISourceType_Type);
 335 }