1 /* GObject introspection: scanner
3 * Copyright (C) 2008 Johan Dahlin <johan@gnome.org>
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 of the License, or (at your option) any later version.
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.
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.
25 #include "sourcescanner.h"
31 #define WIN32_LEAN_AND_MEAN
36 DL_EXPORT(void) init_giscanner(void);
38 #define NEW_CLASS(ctype, name, cname) \
39 static const PyMethodDef _Py##cname##_methods[]; \
40 PyTypeObject Py##cname##_Type = { \
41 PyObject_HEAD_INIT(NULL) \
45 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
47 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, \
52 0, 0, NULL, NULL, 0, 0, \
56 #define REGISTER_TYPE(d, name, type) \
57 type.ob_type = &PyType_Type; \
58 type.tp_alloc = PyType_GenericAlloc; \
59 type.tp_new = PyType_GenericNew; \
60 if (PyType_Ready (&type)) \
62 PyDict_SetItemString (d, name, (PyObject *)&type); \
70 static PyObject * pygi_source_type_new (GISourceType *type);
74 GISourceSymbol *symbol;
79 GISourceScanner *scanner;
82 NEW_CLASS (PyGISourceSymbol, "SourceSymbol", GISourceSymbol);
83 NEW_CLASS (PyGISourceType, "SourceType", GISourceType);
84 NEW_CLASS (PyGISourceScanner, "SourceScanner", GISourceScanner);
90 pygi_source_symbol_new (GISourceSymbol *symbol)
92 PyGISourceSymbol *self;
100 self = (PyGISourceSymbol *)PyObject_New (PyGISourceSymbol,
101 &PyGISourceSymbol_Type);
102 self->symbol = symbol;
103 return (PyObject*)self;
107 symbol_get_type (PyGISourceSymbol *self,
110 return PyInt_FromLong (self->symbol->type);
114 symbol_get_ident (PyGISourceSymbol *self,
118 if (!self->symbol->ident)
124 return PyString_FromString (self->symbol->ident);
128 symbol_get_base_type (PyGISourceSymbol *self,
131 return pygi_source_type_new (self->symbol->base_type);
135 symbol_get_const_int (PyGISourceSymbol *self,
138 if (!self->symbol->const_int_set)
143 return PyInt_FromLong (self->symbol->const_int);
147 symbol_get_const_double (PyGISourceSymbol *self,
150 if (!self->symbol->const_double_set)
155 return PyFloat_FromDouble (self->symbol->const_double);
159 symbol_get_const_string (PyGISourceSymbol *self,
162 if (!self->symbol->const_string)
168 return PyString_FromString (self->symbol->const_string);
172 symbol_get_source_filename (PyGISourceSymbol *self,
175 if (!self->symbol->source_filename)
181 return PyString_FromString (self->symbol->source_filename);
184 static const PyGetSetDef _PyGISourceSymbol_getsets[] = {
186 { "type", (getter)symbol_get_type, NULL, NULL},
188 { "ident", (getter)symbol_get_ident, NULL, NULL},
189 { "base_type", (getter)symbol_get_base_type, NULL, NULL},
190 /* gboolean const_int_set; */
191 { "const_int", (getter)symbol_get_const_int, NULL, NULL},
192 /* gboolean const_double_set; */
193 { "const_double", (getter)symbol_get_const_double, NULL, NULL},
194 { "const_string", (getter)symbol_get_const_string, NULL, NULL},
195 { "source_filename", (getter)symbol_get_source_filename, NULL, NULL},
204 pygi_source_type_new (GISourceType *type)
206 PyGISourceType *self;
214 self = (PyGISourceType *)PyObject_New (PyGISourceType,
215 &PyGISourceType_Type);
217 return (PyObject*)self;
221 type_get_type (PyGISourceType *self,
224 return PyInt_FromLong (self->type->type);
228 type_get_storage_class_specifier (PyGISourceType *self,
231 return PyInt_FromLong (self->type->storage_class_specifier);
235 type_get_type_qualifier (PyGISourceType *self,
238 return PyInt_FromLong (self->type->type_qualifier);
242 type_get_function_specifier (PyGISourceType *self,
245 return PyInt_FromLong (self->type->function_specifier);
249 type_get_name (PyGISourceType *self,
252 if (!self->type->name)
258 return PyString_FromString (self->type->name);
262 type_get_base_type (PyGISourceType *self,
265 return pygi_source_type_new (self->type->base_type);
269 type_get_child_list (PyGISourceType *self,
277 return Py_BuildValue("[]");
279 list = PyList_New (g_list_length (self->type->child_list));
281 for (l = self->type->child_list; l; l = l->next)
283 PyObject *item = pygi_source_symbol_new (l->data);
284 PyList_SetItem (list, i++, item);
293 type_get_is_bitfield (PyGISourceType *self,
296 return PyInt_FromLong (self->type->is_bitfield);
299 static const PyGetSetDef _PyGISourceType_getsets[] = {
300 { "type", (getter)type_get_type, NULL, NULL},
301 { "storage_class_specifier", (getter)type_get_storage_class_specifier, NULL, NULL},
302 { "type_qualifier", (getter)type_get_type_qualifier, NULL, NULL},
303 { "function_specifier", (getter)type_get_function_specifier, NULL, NULL},
304 { "name", (getter)type_get_name, NULL, NULL},
305 { "base_type", (getter)type_get_base_type, NULL, NULL},
306 { "child_list", (getter)type_get_child_list, NULL, NULL},
307 { "is_bitfield", (getter)type_get_is_bitfield, NULL, NULL},
316 pygi_source_scanner_init (PyGISourceScanner *self,
320 if (!PyArg_ParseTuple (args, ":SourceScanner.__init__"))
323 self->scanner = gi_source_scanner_new ();
329 pygi_source_scanner_append_filename (PyGISourceScanner *self,
334 if (!PyArg_ParseTuple (args, "s:SourceScanner.append_filename", &filename))
337 self->scanner->filenames = g_list_append (self->scanner->filenames,
338 g_strdup (filename));
345 pygi_source_scanner_parse_macros (PyGISourceScanner *self,
352 list = PyTuple_GET_ITEM (args, 0);
354 if (!PyList_Check (list))
356 PyErr_SetString (PyExc_RuntimeError, "parse macro takes a list of filenames");
361 for (i = 0; i < PyList_Size (list); ++i)
366 obj = PyList_GetItem (list, i);
367 filename = PyString_AsString (obj);
369 filenames = g_list_append (filenames, filename);
372 gi_source_scanner_parse_macros (self->scanner, filenames);
373 g_list_free (filenames);
380 pygi_source_scanner_parse_file (PyGISourceScanner *self,
386 if (!PyArg_ParseTuple (args, "i:SourceScanner.parse_file", &fd))
390 /* The file descriptor passed to us is from the C library Python
391 * uses. That is msvcr71.dll at least for Python 2.5. This code, at
392 * least if compiled with mingw, uses msvcrt.dll, so we cannot use
393 * the file descriptor directly. So perform appropriate magic.
397 int (*p__get_osfhandle) (int);
400 msvcr71 = GetModuleHandle ("msvcr71.dll");
403 g_print ("No msvcr71.dll loaded.\n");
407 p__get_osfhandle = GetProcAddress (msvcr71, "_get_osfhandle");
408 if (!p__get_osfhandle)
410 g_print ("No _get_osfhandle found in msvcr71.dll.\n");
414 handle = p__get_osfhandle (fd);
415 if (!p__get_osfhandle)
417 g_print ("Could not get OS handle from msvcr71 fd.\n");
421 fd = _open_osfhandle (handle, _O_RDONLY);
424 g_print ("Could not open C fd from OS handle.\n");
430 fp = fdopen (fd, "r");
433 PyErr_SetFromErrno (PyExc_OSError);
437 if (!gi_source_scanner_parse_file (self->scanner, fp))
439 g_print ("Something went wrong during parsing.\n");
448 pygi_source_scanner_lex_filename (PyGISourceScanner *self,
453 if (!PyArg_ParseTuple (args, "s:SourceScanner.lex_filename", &filename))
456 self->scanner->current_filename = g_strdup (filename);
457 if (!gi_source_scanner_lex_filename (self->scanner, filename))
459 g_print ("Something went wrong during lexing.\n");
462 self->scanner->filenames =
463 g_list_append (self->scanner->filenames, g_strdup (filename));
470 pygi_source_scanner_set_macro_scan (PyGISourceScanner *self,
475 if (!PyArg_ParseTuple (args, "b:SourceScanner.set_macro_scan", ¯o_scan))
478 gi_source_scanner_set_macro_scan (self->scanner, macro_scan);
485 pygi_source_scanner_get_symbols (PyGISourceScanner *self)
491 symbols = gi_source_scanner_get_symbols (self->scanner);
492 list = PyList_New (g_slist_length (symbols));
494 for (l = symbols; l; l = l->next)
496 PyObject *item = pygi_source_symbol_new (l->data);
497 PyList_SetItem (list, i++, item);
506 pygi_source_scanner_get_comments (PyGISourceScanner *self)
508 GSList *l, *comments;
512 comments = gi_source_scanner_get_comments (self->scanner);
513 list = PyList_New (g_slist_length (comments));
515 for (l = comments; l; l = l->next)
517 PyObject *item = PyString_FromString (l->data);
518 PyList_SetItem (list, i++, item);
526 static const PyMethodDef _PyGISourceScanner_methods[] = {
527 { "get_comments", (PyCFunction) pygi_source_scanner_get_comments, METH_NOARGS },
528 { "get_symbols", (PyCFunction) pygi_source_scanner_get_symbols, METH_NOARGS },
529 { "append_filename", (PyCFunction) pygi_source_scanner_append_filename, METH_VARARGS },
530 { "parse_file", (PyCFunction) pygi_source_scanner_parse_file, METH_VARARGS },
531 { "parse_macros", (PyCFunction) pygi_source_scanner_parse_macros, METH_VARARGS },
532 { "lex_filename", (PyCFunction) pygi_source_scanner_lex_filename, METH_VARARGS },
533 { "set_macro_scan", (PyCFunction) pygi_source_scanner_set_macro_scan, METH_VARARGS },
538 static int calc_attrs_length(PyObject *attributes, int indent,
547 for (i = 0; i < PyList_Size (attributes); ++i)
553 tuple = PyList_GetItem (attributes, i);
554 if (PyTuple_GetItem(tuple, 1) == Py_None)
557 if (!PyArg_ParseTuple(tuple, "ss", &attr, &value))
560 escaped = g_markup_escape_text (value, -1);
561 attr_length += 2 + strlen(attr) + strlen(escaped) + 2;
565 return attr_length + indent + self_indent;
568 /* Hall of shame, wasted time debugging the code below
569 * 20min - Johan 2009-02-19
572 pygi_collect_attributes (PyObject *self,
576 PyObject *attributes;
577 int indent, indent_len, i, j, self_indent;
583 if (!PyArg_ParseTuple(args, "sO!isi",
584 &tag_name, &PyList_Type, &attributes,
585 &self_indent, &indent_char,
589 if (attributes == Py_None || !PyList_Size(attributes))
590 return PyString_FromString("");
592 len = calc_attrs_length(attributes, indent, self_indent);
596 indent_len = self_indent + strlen(tag_name) + 1;
601 attr_value = g_string_new ("");
603 for (i = 0; i < PyList_Size (attributes); ++i)
606 char *attr, *value, *escaped;
608 tuple = PyList_GetItem (attributes, i);
610 if (!PyTuple_Check (tuple))
612 PyErr_SetString(PyExc_TypeError,
613 "attribute item must be a tuple");
617 if (!PyTuple_Size (tuple) == 2)
619 PyErr_SetString(PyExc_IndexError,
620 "attribute item must be a tuple of length 2");
624 if (PyTuple_GetItem(tuple, 1) == Py_None)
627 /* this leaks, but we exit after, so */
628 if (!PyArg_ParseTuple(tuple, "ss", &attr, &value))
631 if (indent_len && !first)
633 g_string_append_c (attr_value, '\n');
634 for (j = 0; j < indent_len; j++)
635 g_string_append_c (attr_value, ' ');
637 g_string_append_c (attr_value, ' ');
638 g_string_append (attr_value, attr);
639 g_string_append_c (attr_value, '=');
640 g_string_append_c (attr_value, '\"');
641 escaped = g_markup_escape_text (value, -1);
642 g_string_append (attr_value, escaped);
643 g_string_append_c (attr_value, '\"');
648 return PyString_FromString (g_string_free (attr_value, FALSE));
653 static const PyMethodDef pyscanner_functions[] = {
654 { "collect_attributes",
655 (PyCFunction) pygi_collect_attributes, METH_VARARGS },
656 { NULL, NULL, 0, NULL }
664 m = Py_InitModule ("giscanner._giscanner",
665 (PyMethodDef*)pyscanner_functions);
666 d = PyModule_GetDict (m);
668 PyGISourceScanner_Type.tp_init = (initproc)pygi_source_scanner_init;
669 PyGISourceScanner_Type.tp_methods = (PyMethodDef*)_PyGISourceScanner_methods;
670 REGISTER_TYPE (d, "SourceScanner", PyGISourceScanner_Type);
672 PyGISourceSymbol_Type.tp_getset = (PyGetSetDef*)_PyGISourceSymbol_getsets;
673 REGISTER_TYPE (d, "SourceSymbol", PyGISourceSymbol_Type);
675 PyGISourceType_Type.tp_getset = (PyGetSetDef*)_PyGISourceType_getsets;
676 REGISTER_TYPE (d, "SourceType", PyGISourceType_Type);