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