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.
26 #include "sourcescanner.h"
27 #include "grealpath.h"
32 #define WIN32_LEAN_AND_MEAN
37 DL_EXPORT(void) init_giscanner(void);
39 #define NEW_CLASS(ctype, name, cname) \
40 static const PyMethodDef _Py##cname##_methods[]; \
41 PyTypeObject Py##cname##_Type = { \
42 PyObject_HEAD_INIT(NULL) \
46 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
48 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, \
53 0, 0, NULL, NULL, 0, 0, \
57 #define REGISTER_TYPE(d, name, type) \
58 type.ob_type = &PyType_Type; \
59 type.tp_alloc = PyType_GenericAlloc; \
60 type.tp_new = PyType_GenericNew; \
61 if (PyType_Ready (&type)) \
63 PyDict_SetItemString (d, name, (PyObject *)&type); \
71 static PyObject * pygi_source_type_new (GISourceType *type);
75 GISourceSymbol *symbol;
80 GISourceScanner *scanner;
83 NEW_CLASS (PyGISourceSymbol, "SourceSymbol", GISourceSymbol);
84 NEW_CLASS (PyGISourceType, "SourceType", GISourceType);
85 NEW_CLASS (PyGISourceScanner, "SourceScanner", GISourceScanner);
91 pygi_source_symbol_new (GISourceSymbol *symbol)
93 PyGISourceSymbol *self;
101 self = (PyGISourceSymbol *)PyObject_New (PyGISourceSymbol,
102 &PyGISourceSymbol_Type);
103 self->symbol = symbol;
104 return (PyObject*)self;
108 symbol_get_type (PyGISourceSymbol *self,
111 return PyInt_FromLong (self->symbol->type);
115 symbol_get_ident (PyGISourceSymbol *self,
119 if (!self->symbol->ident)
125 return PyString_FromString (self->symbol->ident);
129 symbol_get_base_type (PyGISourceSymbol *self,
132 return pygi_source_type_new (self->symbol->base_type);
136 symbol_get_const_int (PyGISourceSymbol *self,
139 if (!self->symbol->const_int_set)
144 return PyInt_FromLong (self->symbol->const_int);
148 symbol_get_const_double (PyGISourceSymbol *self,
151 if (!self->symbol->const_double_set)
156 return PyFloat_FromDouble (self->symbol->const_double);
160 symbol_get_const_string (PyGISourceSymbol *self,
163 if (!self->symbol->const_string)
169 return PyString_FromString (self->symbol->const_string);
173 symbol_get_source_filename (PyGISourceSymbol *self,
176 if (!self->symbol->source_filename)
182 return PyString_FromString (self->symbol->source_filename);
185 static const PyGetSetDef _PyGISourceSymbol_getsets[] = {
187 { "type", (getter)symbol_get_type, NULL, NULL},
189 { "ident", (getter)symbol_get_ident, NULL, NULL},
190 { "base_type", (getter)symbol_get_base_type, NULL, NULL},
191 /* gboolean const_int_set; */
192 { "const_int", (getter)symbol_get_const_int, NULL, NULL},
193 /* gboolean const_double_set; */
194 { "const_double", (getter)symbol_get_const_double, NULL, NULL},
195 { "const_string", (getter)symbol_get_const_string, NULL, NULL},
196 { "source_filename", (getter)symbol_get_source_filename, NULL, NULL},
205 pygi_source_type_new (GISourceType *type)
207 PyGISourceType *self;
215 self = (PyGISourceType *)PyObject_New (PyGISourceType,
216 &PyGISourceType_Type);
218 return (PyObject*)self;
222 type_get_type (PyGISourceType *self,
225 return PyInt_FromLong (self->type->type);
229 type_get_storage_class_specifier (PyGISourceType *self,
232 return PyInt_FromLong (self->type->storage_class_specifier);
236 type_get_type_qualifier (PyGISourceType *self,
239 return PyInt_FromLong (self->type->type_qualifier);
243 type_get_function_specifier (PyGISourceType *self,
246 return PyInt_FromLong (self->type->function_specifier);
250 type_get_name (PyGISourceType *self,
253 if (!self->type->name)
259 return PyString_FromString (self->type->name);
263 type_get_base_type (PyGISourceType *self,
266 return pygi_source_type_new (self->type->base_type);
270 type_get_child_list (PyGISourceType *self,
278 return Py_BuildValue("[]");
280 list = PyList_New (g_list_length (self->type->child_list));
282 for (l = self->type->child_list; l; l = l->next)
284 PyObject *item = pygi_source_symbol_new (l->data);
285 PyList_SetItem (list, i++, item);
294 type_get_is_bitfield (PyGISourceType *self,
297 return PyInt_FromLong (self->type->is_bitfield);
300 static const PyGetSetDef _PyGISourceType_getsets[] = {
301 { "type", (getter)type_get_type, NULL, NULL},
302 { "storage_class_specifier", (getter)type_get_storage_class_specifier, NULL, NULL},
303 { "type_qualifier", (getter)type_get_type_qualifier, NULL, NULL},
304 { "function_specifier", (getter)type_get_function_specifier, NULL, NULL},
305 { "name", (getter)type_get_name, NULL, NULL},
306 { "base_type", (getter)type_get_base_type, NULL, NULL},
307 { "child_list", (getter)type_get_child_list, NULL, NULL},
308 { "is_bitfield", (getter)type_get_is_bitfield, NULL, NULL},
317 pygi_source_scanner_init (PyGISourceScanner *self,
321 if (!PyArg_ParseTuple (args, ":SourceScanner.__init__"))
324 self->scanner = gi_source_scanner_new ();
330 pygi_source_scanner_append_filename (PyGISourceScanner *self,
335 if (!PyArg_ParseTuple (args, "s:SourceScanner.append_filename", &filename))
338 self->scanner->filenames = g_list_append (self->scanner->filenames,
339 g_realpath (filename));
346 pygi_source_scanner_parse_macros (PyGISourceScanner *self,
353 list = PyTuple_GET_ITEM (args, 0);
355 if (!PyList_Check (list))
357 PyErr_SetString (PyExc_RuntimeError, "parse macro takes a list of filenames");
362 for (i = 0; i < PyList_Size (list); ++i)
367 obj = PyList_GetItem (list, i);
368 filename = PyString_AsString (obj);
370 filenames = g_list_append (filenames, filename);
373 gi_source_scanner_parse_macros (self->scanner, filenames);
374 g_list_free (filenames);
381 pygi_source_scanner_parse_file (PyGISourceScanner *self,
387 if (!PyArg_ParseTuple (args, "i:SourceScanner.parse_file", &fd))
391 /* The file descriptor passed to us is from the C library Python
392 * uses. That is msvcr71.dll at least for Python 2.5. This code, at
393 * least if compiled with mingw, uses msvcrt.dll, so we cannot use
394 * the file descriptor directly. So perform appropriate magic.
398 int (*p__get_osfhandle) (int);
401 msvcr71 = GetModuleHandle ("msvcr71.dll");
404 g_print ("No msvcr71.dll loaded.\n");
408 p__get_osfhandle = GetProcAddress (msvcr71, "_get_osfhandle");
409 if (!p__get_osfhandle)
411 g_print ("No _get_osfhandle found in msvcr71.dll.\n");
415 handle = p__get_osfhandle (fd);
416 if (!p__get_osfhandle)
418 g_print ("Could not get OS handle from msvcr71 fd.\n");
422 fd = _open_osfhandle (handle, _O_RDONLY);
425 g_print ("Could not open C fd from OS handle.\n");
431 fp = fdopen (fd, "r");
434 PyErr_SetFromErrno (PyExc_OSError);
438 if (!gi_source_scanner_parse_file (self->scanner, fp))
440 g_print ("Something went wrong during parsing.\n");
449 pygi_source_scanner_lex_filename (PyGISourceScanner *self,
454 if (!PyArg_ParseTuple (args, "s:SourceScanner.lex_filename", &filename))
457 self->scanner->current_filename = g_strdup (filename);
458 if (!gi_source_scanner_lex_filename (self->scanner, filename))
460 g_print ("Something went wrong during lexing.\n");
463 self->scanner->filenames =
464 g_list_append (self->scanner->filenames, g_strdup (filename));
471 pygi_source_scanner_set_macro_scan (PyGISourceScanner *self,
476 if (!PyArg_ParseTuple (args, "b:SourceScanner.set_macro_scan", ¯o_scan))
479 gi_source_scanner_set_macro_scan (self->scanner, macro_scan);
486 pygi_source_scanner_get_symbols (PyGISourceScanner *self)
492 symbols = gi_source_scanner_get_symbols (self->scanner);
493 list = PyList_New (g_slist_length (symbols));
495 for (l = symbols; l; l = l->next)
497 PyObject *item = pygi_source_symbol_new (l->data);
498 PyList_SetItem (list, i++, item);
507 pygi_source_scanner_get_comments (PyGISourceScanner *self)
509 GSList *l, *comments;
513 comments = gi_source_scanner_get_comments (self->scanner);
514 list = PyList_New (g_slist_length (comments));
516 for (l = comments; l; l = l->next)
518 PyObject *item = PyString_FromString (l->data);
519 PyList_SetItem (list, i++, item);
527 static const PyMethodDef _PyGISourceScanner_methods[] = {
528 { "get_comments", (PyCFunction) pygi_source_scanner_get_comments, METH_NOARGS },
529 { "get_symbols", (PyCFunction) pygi_source_scanner_get_symbols, METH_NOARGS },
530 { "append_filename", (PyCFunction) pygi_source_scanner_append_filename, METH_VARARGS },
531 { "parse_file", (PyCFunction) pygi_source_scanner_parse_file, METH_VARARGS },
532 { "parse_macros", (PyCFunction) pygi_source_scanner_parse_macros, METH_VARARGS },
533 { "lex_filename", (PyCFunction) pygi_source_scanner_lex_filename, METH_VARARGS },
534 { "set_macro_scan", (PyCFunction) pygi_source_scanner_set_macro_scan, METH_VARARGS },
539 static int calc_attrs_length(PyObject *attributes, int indent,
548 for (i = 0; i < PyList_Size (attributes); ++i)
554 tuple = PyList_GetItem (attributes, i);
555 if (PyTuple_GetItem(tuple, 1) == Py_None)
558 if (!PyArg_ParseTuple(tuple, "ss", &attr, &value))
561 escaped = g_markup_escape_text (value, -1);
562 attr_length += 2 + strlen(attr) + strlen(escaped) + 2;
566 return attr_length + indent + self_indent;
569 /* Hall of shame, wasted time debugging the code below
570 * 20min - Johan 2009-02-19
573 pygi_collect_attributes (PyObject *self,
577 PyObject *attributes;
578 int indent, indent_len, i, j, self_indent;
584 if (!PyArg_ParseTuple(args, "sO!isi",
585 &tag_name, &PyList_Type, &attributes,
586 &self_indent, &indent_char,
590 if (attributes == Py_None || !PyList_Size(attributes))
591 return PyString_FromString("");
593 len = calc_attrs_length(attributes, indent, self_indent);
597 indent_len = self_indent + strlen(tag_name) + 1;
602 attr_value = g_string_new ("");
604 for (i = 0; i < PyList_Size (attributes); ++i)
607 char *attr, *value, *escaped;
609 tuple = PyList_GetItem (attributes, i);
611 if (!PyTuple_Check (tuple))
613 PyErr_SetString(PyExc_TypeError,
614 "attribute item must be a tuple");
618 if (!PyTuple_Size (tuple) == 2)
620 PyErr_SetString(PyExc_IndexError,
621 "attribute item must be a tuple of length 2");
625 if (PyTuple_GetItem(tuple, 1) == Py_None)
628 /* this leaks, but we exit after, so */
629 if (!PyArg_ParseTuple(tuple, "ss", &attr, &value))
632 if (indent_len && !first)
634 g_string_append_c (attr_value, '\n');
635 for (j = 0; j < indent_len; j++)
636 g_string_append_c (attr_value, ' ');
638 g_string_append_c (attr_value, ' ');
639 g_string_append (attr_value, attr);
640 g_string_append_c (attr_value, '=');
641 g_string_append_c (attr_value, '\"');
642 escaped = g_markup_escape_text (value, -1);
643 g_string_append (attr_value, escaped);
644 g_string_append_c (attr_value, '\"');
649 return PyString_FromString (g_string_free (attr_value, FALSE));
654 static const PyMethodDef pyscanner_functions[] = {
655 { "collect_attributes",
656 (PyCFunction) pygi_collect_attributes, METH_VARARGS },
657 { NULL, NULL, 0, NULL }
665 m = Py_InitModule ("giscanner._giscanner",
666 (PyMethodDef*)pyscanner_functions);
667 d = PyModule_GetDict (m);
669 PyGISourceScanner_Type.tp_init = (initproc)pygi_source_scanner_init;
670 PyGISourceScanner_Type.tp_methods = (PyMethodDef*)_PyGISourceScanner_methods;
671 REGISTER_TYPE (d, "SourceScanner", PyGISourceScanner_Type);
673 PyGISourceSymbol_Type.tp_getset = (PyGetSetDef*)_PyGISourceSymbol_getsets;
674 REGISTER_TYPE (d, "SourceSymbol", PyGISourceSymbol_Type);
676 PyGISourceType_Type.tp_getset = (PyGetSetDef*)_PyGISourceType_getsets;
677 REGISTER_TYPE (d, "SourceType", PyGISourceType_Type);