Commit | Line | Data |
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2c74e833 TT |
1 | /* Python interface to types. |
2 | ||
7b6bb8da | 3 | Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
2c74e833 TT |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "value.h" | |
22 | #include "exceptions.h" | |
23 | #include "python-internal.h" | |
24 | #include "charset.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "cp-support.h" | |
27 | #include "demangle.h" | |
28 | #include "objfiles.h" | |
e6c014f2 | 29 | #include "language.h" |
d839c8a4 TT |
30 | #include "vec.h" |
31 | #include "bcache.h" | |
8e3b41a9 | 32 | #include "dwarf2loc.h" |
2c74e833 TT |
33 | |
34 | typedef struct pyty_type_object | |
35 | { | |
36 | PyObject_HEAD | |
37 | struct type *type; | |
38 | ||
39 | /* If a Type object is associated with an objfile, it is kept on a | |
40 | doubly-linked list, rooted in the objfile. This lets us copy the | |
41 | underlying struct type when the objfile is deleted. */ | |
42 | struct pyty_type_object *prev; | |
43 | struct pyty_type_object *next; | |
44 | } type_object; | |
45 | ||
46 | static PyTypeObject type_object_type; | |
47 | ||
48 | /* A Field object. */ | |
49 | typedef struct pyty_field_object | |
50 | { | |
51 | PyObject_HEAD | |
52 | ||
53 | /* Dictionary holding our attributes. */ | |
54 | PyObject *dict; | |
55 | } field_object; | |
56 | ||
57 | static PyTypeObject field_object_type; | |
58 | ||
a73bb892 PK |
59 | /* A type iterator object. */ |
60 | typedef struct { | |
61 | PyObject_HEAD | |
62 | /* The current field index. */ | |
63 | int field; | |
64 | /* What to return. */ | |
65 | enum gdbpy_iter_kind kind; | |
66 | /* Pointer back to the original source type object. */ | |
67 | struct pyty_type_object *source; | |
68 | } typy_iterator_object; | |
69 | ||
70 | static PyTypeObject type_iterator_object_type; | |
71 | ||
2c74e833 TT |
72 | /* This is used to initialize various gdb.TYPE_ constants. */ |
73 | struct pyty_code | |
74 | { | |
75 | /* The code. */ | |
76 | enum type_code code; | |
77 | /* The name. */ | |
78 | const char *name; | |
79 | }; | |
80 | ||
0dab82e9 PK |
81 | /* Forward declarations. */ |
82 | static PyObject *typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind); | |
83 | ||
2c74e833 TT |
84 | #define ENTRY(X) { X, #X } |
85 | ||
86 | static struct pyty_code pyty_codes[] = | |
87 | { | |
88 | ENTRY (TYPE_CODE_PTR), | |
89 | ENTRY (TYPE_CODE_ARRAY), | |
90 | ENTRY (TYPE_CODE_STRUCT), | |
91 | ENTRY (TYPE_CODE_UNION), | |
92 | ENTRY (TYPE_CODE_ENUM), | |
93 | ENTRY (TYPE_CODE_FLAGS), | |
94 | ENTRY (TYPE_CODE_FUNC), | |
95 | ENTRY (TYPE_CODE_INT), | |
96 | ENTRY (TYPE_CODE_FLT), | |
97 | ENTRY (TYPE_CODE_VOID), | |
98 | ENTRY (TYPE_CODE_SET), | |
99 | ENTRY (TYPE_CODE_RANGE), | |
100 | ENTRY (TYPE_CODE_STRING), | |
101 | ENTRY (TYPE_CODE_BITSTRING), | |
102 | ENTRY (TYPE_CODE_ERROR), | |
103 | ENTRY (TYPE_CODE_METHOD), | |
104 | ENTRY (TYPE_CODE_METHODPTR), | |
105 | ENTRY (TYPE_CODE_MEMBERPTR), | |
106 | ENTRY (TYPE_CODE_REF), | |
107 | ENTRY (TYPE_CODE_CHAR), | |
108 | ENTRY (TYPE_CODE_BOOL), | |
109 | ENTRY (TYPE_CODE_COMPLEX), | |
110 | ENTRY (TYPE_CODE_TYPEDEF), | |
111 | ENTRY (TYPE_CODE_NAMESPACE), | |
112 | ENTRY (TYPE_CODE_DECFLOAT), | |
113 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
114 | { TYPE_CODE_UNDEF, NULL } | |
115 | }; | |
116 | ||
117 | \f | |
118 | ||
119 | static void | |
120 | field_dealloc (PyObject *obj) | |
121 | { | |
122 | field_object *f = (field_object *) obj; | |
d59b6f6c | 123 | |
2c74e833 TT |
124 | Py_XDECREF (f->dict); |
125 | f->ob_type->tp_free (obj); | |
126 | } | |
127 | ||
128 | static PyObject * | |
129 | field_new (void) | |
130 | { | |
131 | field_object *result = PyObject_New (field_object, &field_object_type); | |
d59b6f6c | 132 | |
2c74e833 TT |
133 | if (result) |
134 | { | |
135 | result->dict = PyDict_New (); | |
136 | if (!result->dict) | |
137 | { | |
138 | Py_DECREF (result); | |
139 | result = NULL; | |
140 | } | |
141 | } | |
142 | return (PyObject *) result; | |
143 | } | |
144 | ||
145 | \f | |
146 | ||
147 | /* Return the code for this type. */ | |
148 | static PyObject * | |
149 | typy_get_code (PyObject *self, void *closure) | |
150 | { | |
151 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 152 | |
2c74e833 TT |
153 | return PyInt_FromLong (TYPE_CODE (type)); |
154 | } | |
155 | ||
156 | /* Helper function for typy_fields which converts a single field to a | |
a73bb892 PK |
157 | gdb.Field object. Returns NULL on error. */ |
158 | ||
2c74e833 TT |
159 | static PyObject * |
160 | convert_field (struct type *type, int field) | |
161 | { | |
162 | PyObject *result = field_new (); | |
163 | PyObject *arg; | |
164 | ||
165 | if (!result) | |
166 | return NULL; | |
167 | ||
168 | if (!field_is_static (&TYPE_FIELD (type, field))) | |
169 | { | |
170 | arg = PyLong_FromLong (TYPE_FIELD_BITPOS (type, field)); | |
171 | if (!arg) | |
172 | goto fail; | |
173 | ||
174 | if (PyObject_SetAttrString (result, "bitpos", arg) < 0) | |
175 | goto failarg; | |
176 | } | |
177 | ||
178 | if (TYPE_FIELD_NAME (type, field)) | |
179 | arg = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
180 | else | |
181 | { | |
182 | arg = Py_None; | |
183 | Py_INCREF (arg); | |
184 | } | |
185 | if (!arg) | |
186 | goto fail; | |
187 | if (PyObject_SetAttrString (result, "name", arg) < 0) | |
188 | goto failarg; | |
189 | ||
190 | arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False; | |
191 | Py_INCREF (arg); | |
192 | if (PyObject_SetAttrString (result, "artificial", arg) < 0) | |
193 | goto failarg; | |
194 | ||
bfd31e71 PM |
195 | if (TYPE_CODE (type) == TYPE_CODE_CLASS) |
196 | arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False; | |
197 | else | |
198 | arg = Py_False; | |
199 | Py_INCREF (arg); | |
200 | if (PyObject_SetAttrString (result, "is_base_class", arg) < 0) | |
201 | goto failarg; | |
202 | ||
2c74e833 TT |
203 | arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field)); |
204 | if (!arg) | |
205 | goto fail; | |
206 | if (PyObject_SetAttrString (result, "bitsize", arg) < 0) | |
207 | goto failarg; | |
208 | ||
209 | /* A field can have a NULL type in some situations. */ | |
210 | if (TYPE_FIELD_TYPE (type, field) == NULL) | |
211 | { | |
212 | arg = Py_None; | |
213 | Py_INCREF (arg); | |
214 | } | |
215 | else | |
216 | arg = type_to_type_object (TYPE_FIELD_TYPE (type, field)); | |
217 | if (!arg) | |
218 | goto fail; | |
219 | if (PyObject_SetAttrString (result, "type", arg) < 0) | |
220 | goto failarg; | |
221 | ||
222 | return result; | |
223 | ||
224 | failarg: | |
225 | Py_DECREF (arg); | |
226 | fail: | |
227 | Py_DECREF (result); | |
228 | return NULL; | |
229 | } | |
230 | ||
a73bb892 PK |
231 | /* Helper function to return the name of a field, as a gdb.Field object. |
232 | If the field doesn't have a name, None is returned. */ | |
233 | ||
2c74e833 | 234 | static PyObject * |
a73bb892 | 235 | field_name (struct type *type, int field) |
2c74e833 TT |
236 | { |
237 | PyObject *result; | |
a73bb892 PK |
238 | |
239 | if (TYPE_FIELD_NAME (type, field)) | |
240 | result = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
241 | else | |
242 | { | |
243 | result = Py_None; | |
244 | Py_INCREF (result); | |
245 | } | |
246 | return result; | |
247 | } | |
248 | ||
249 | /* Helper function for Type standard mapping methods. Returns a | |
250 | Python object for field i of the type. "kind" specifies what to | |
251 | return: the name of the field, a gdb.Field object corresponding to | |
252 | the field, or a tuple consisting of field name and gdb.Field | |
253 | object. */ | |
254 | ||
255 | static PyObject * | |
256 | make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind) | |
257 | { | |
258 | PyObject *item = NULL, *key = NULL, *value = NULL; | |
259 | ||
260 | switch (kind) | |
261 | { | |
262 | case iter_items: | |
263 | key = field_name (type, i); | |
264 | if (key == NULL) | |
265 | goto fail; | |
266 | value = convert_field (type, i); | |
267 | if (value == NULL) | |
268 | goto fail; | |
269 | item = PyTuple_New (2); | |
270 | if (item == NULL) | |
271 | goto fail; | |
272 | PyTuple_SET_ITEM (item, 0, key); | |
273 | PyTuple_SET_ITEM (item, 1, value); | |
274 | break; | |
275 | case iter_keys: | |
276 | item = field_name (type, i); | |
277 | break; | |
278 | case iter_values: | |
279 | item = convert_field (type, i); | |
280 | break; | |
281 | } | |
282 | return item; | |
283 | ||
284 | fail: | |
285 | Py_XDECREF (key); | |
286 | Py_XDECREF (value); | |
287 | Py_XDECREF (item); | |
288 | return NULL; | |
289 | } | |
290 | ||
291 | /* Return a sequence of all field names, fields, or (name, field) pairs. | |
292 | Each field is a gdb.Field object. */ | |
293 | ||
294 | static PyObject * | |
295 | typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind) | |
296 | { | |
f6b47be4 | 297 | PyObject *py_type = self; |
0dab82e9 | 298 | PyObject *result = NULL, *iter = NULL; |
f6b47be4 DE |
299 | volatile struct gdb_exception except; |
300 | struct type *type = ((type_object *) py_type)->type; | |
301 | struct type *checked_type = type; | |
302 | ||
303 | TRY_CATCH (except, RETURN_MASK_ALL) | |
304 | { | |
305 | CHECK_TYPEDEF (checked_type); | |
306 | } | |
307 | GDB_PY_HANDLE_EXCEPTION (except); | |
308 | ||
309 | if (checked_type != type) | |
310 | py_type = type_to_type_object (checked_type); | |
311 | iter = typy_make_iter (py_type, kind); | |
312 | if (checked_type != type) | |
313 | { | |
314 | /* Need to wrap this in braces because Py_DECREF isn't wrapped | |
315 | in a do{}while(0). */ | |
316 | Py_DECREF (py_type); | |
317 | } | |
318 | if (iter != NULL) | |
319 | { | |
320 | result = PySequence_List (iter); | |
321 | Py_DECREF (iter); | |
322 | } | |
323 | ||
2c74e833 | 324 | return result; |
a73bb892 PK |
325 | } |
326 | ||
327 | /* Return a sequence of all fields. Each field is a gdb.Field object. */ | |
328 | ||
329 | static PyObject * | |
9cc10fd1 | 330 | typy_values (PyObject *self, PyObject *args) |
a73bb892 PK |
331 | { |
332 | return typy_fields_items (self, iter_values); | |
333 | } | |
334 | ||
9cc10fd1 PK |
335 | /* Return a sequence of all fields. Each field is a gdb.Field object. |
336 | This method is similar to typy_values, except where the supplied | |
337 | gdb.Type is an array, in which case it returns a list of one entry | |
338 | which is a gdb.Field object for a range (the array bounds). */ | |
339 | ||
340 | static PyObject * | |
341 | typy_fields (PyObject *self, PyObject *args) | |
342 | { | |
343 | struct type *type = ((type_object *) self)->type; | |
344 | PyObject *r, *rl; | |
345 | ||
346 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
347 | return typy_fields_items (self, iter_values); | |
348 | ||
349 | /* Array type. Handle this as a special case because the common | |
350 | machinery wants struct or union or enum types. Build a list of | |
351 | one entry which is the range for the array. */ | |
352 | r = convert_field (type, 0); | |
353 | if (r == NULL) | |
354 | return NULL; | |
355 | ||
356 | rl = Py_BuildValue ("[O]", r); | |
357 | if (rl == NULL) | |
358 | { | |
359 | Py_DECREF (r); | |
360 | } | |
361 | ||
362 | return rl; | |
363 | } | |
364 | ||
a73bb892 PK |
365 | /* Return a sequence of all field names. Each field is a gdb.Field object. */ |
366 | ||
367 | static PyObject * | |
368 | typy_field_names (PyObject *self, PyObject *args) | |
369 | { | |
370 | return typy_fields_items (self, iter_keys); | |
371 | } | |
372 | ||
373 | /* Return a sequence of all (name, fields) pairs. Each field is a | |
374 | gdb.Field object. */ | |
375 | ||
376 | static PyObject * | |
377 | typy_items (PyObject *self, PyObject *args) | |
378 | { | |
379 | return typy_fields_items (self, iter_items); | |
2c74e833 TT |
380 | } |
381 | ||
382 | /* Return the type's tag, or None. */ | |
383 | static PyObject * | |
384 | typy_get_tag (PyObject *self, void *closure) | |
385 | { | |
386 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 387 | |
2c74e833 TT |
388 | if (!TYPE_TAG_NAME (type)) |
389 | Py_RETURN_NONE; | |
390 | return PyString_FromString (TYPE_TAG_NAME (type)); | |
391 | } | |
392 | ||
393 | /* Return the type, stripped of typedefs. */ | |
394 | static PyObject * | |
395 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
396 | { | |
397 | struct type *type = ((type_object *) self)->type; | |
5d9c5995 PM |
398 | volatile struct gdb_exception except; |
399 | ||
400 | TRY_CATCH (except, RETURN_MASK_ALL) | |
401 | { | |
402 | type = check_typedef (type); | |
403 | } | |
404 | GDB_PY_HANDLE_EXCEPTION (except); | |
2c74e833 TT |
405 | |
406 | return type_to_type_object (check_typedef (type)); | |
407 | } | |
408 | ||
9cc10fd1 PK |
409 | /* Strip typedefs and pointers/reference from a type. Then check that |
410 | it is a struct, union, or enum type. If not, raise TypeError. */ | |
411 | ||
412 | static struct type * | |
413 | typy_get_composite (struct type *type) | |
414 | { | |
415 | volatile struct gdb_exception except; | |
416 | ||
417 | for (;;) | |
418 | { | |
419 | TRY_CATCH (except, RETURN_MASK_ALL) | |
420 | { | |
421 | CHECK_TYPEDEF (type); | |
422 | } | |
423 | /* Don't use GDB_PY_HANDLE_EXCEPTION here because that returns | |
424 | a (NULL) pointer of the wrong type. */ | |
425 | if (except.reason < 0) | |
426 | { | |
427 | gdbpy_convert_exception (except); | |
428 | return NULL; | |
429 | } | |
430 | ||
431 | if (TYPE_CODE (type) != TYPE_CODE_PTR | |
432 | && TYPE_CODE (type) != TYPE_CODE_REF) | |
433 | break; | |
434 | type = TYPE_TARGET_TYPE (type); | |
435 | } | |
436 | ||
437 | /* If this is not a struct, union, or enum type, raise TypeError | |
438 | exception. */ | |
439 | if (TYPE_CODE (type) != TYPE_CODE_STRUCT | |
440 | && TYPE_CODE (type) != TYPE_CODE_UNION | |
441 | && TYPE_CODE (type) != TYPE_CODE_ENUM) | |
442 | { | |
443 | PyErr_SetString (PyExc_TypeError, | |
444 | "Type is not a structure, union, or enum type."); | |
445 | return NULL; | |
446 | } | |
447 | ||
448 | return type; | |
449 | } | |
450 | ||
702c2711 TT |
451 | /* Return an array type. */ |
452 | ||
453 | static PyObject * | |
454 | typy_array (PyObject *self, PyObject *args) | |
455 | { | |
74aedc46 | 456 | long n1, n2; |
702c2711 TT |
457 | PyObject *n2_obj = NULL; |
458 | struct type *array = NULL; | |
459 | struct type *type = ((type_object *) self)->type; | |
460 | volatile struct gdb_exception except; | |
461 | ||
74aedc46 | 462 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
463 | return NULL; |
464 | ||
465 | if (n2_obj) | |
466 | { | |
467 | if (!PyInt_Check (n2_obj)) | |
468 | { | |
469 | PyErr_SetString (PyExc_RuntimeError, | |
470 | _("Array bound must be an integer")); | |
471 | return NULL; | |
472 | } | |
74aedc46 TT |
473 | |
474 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
475 | return NULL; |
476 | } | |
477 | else | |
478 | { | |
479 | n2 = n1; | |
480 | n1 = 0; | |
481 | } | |
482 | ||
483 | if (n2 < n1) | |
484 | { | |
485 | PyErr_SetString (PyExc_ValueError, | |
486 | _("Array length must not be negative")); | |
487 | return NULL; | |
488 | } | |
489 | ||
490 | TRY_CATCH (except, RETURN_MASK_ALL) | |
491 | { | |
492 | array = lookup_array_range_type (type, n1, n2); | |
493 | } | |
494 | GDB_PY_HANDLE_EXCEPTION (except); | |
495 | ||
496 | return type_to_type_object (array); | |
497 | } | |
498 | ||
2c74e833 TT |
499 | /* Return a Type object which represents a pointer to SELF. */ |
500 | static PyObject * | |
501 | typy_pointer (PyObject *self, PyObject *args) | |
502 | { | |
503 | struct type *type = ((type_object *) self)->type; | |
504 | volatile struct gdb_exception except; | |
505 | ||
506 | TRY_CATCH (except, RETURN_MASK_ALL) | |
507 | { | |
508 | type = lookup_pointer_type (type); | |
509 | } | |
510 | GDB_PY_HANDLE_EXCEPTION (except); | |
511 | ||
512 | return type_to_type_object (type); | |
513 | } | |
514 | ||
361ae042 PM |
515 | /* Return the range of a type represented by SELF. The return type is |
516 | a tuple. The first element of the tuple contains the low bound, | |
517 | while the second element of the tuple contains the high bound. */ | |
518 | static PyObject * | |
519 | typy_range (PyObject *self, PyObject *args) | |
520 | { | |
521 | struct type *type = ((type_object *) self)->type; | |
522 | PyObject *result; | |
523 | PyObject *low_bound = NULL, *high_bound = NULL; | |
8d099ae9 PM |
524 | /* Initialize these to appease GCC warnings. */ |
525 | LONGEST low = 0, high = 0; | |
361ae042 PM |
526 | |
527 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
528 | && TYPE_CODE (type) != TYPE_CODE_STRING | |
529 | && TYPE_CODE (type) != TYPE_CODE_RANGE) | |
530 | { | |
531 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 532 | _("This type does not have a range.")); |
361ae042 PM |
533 | return NULL; |
534 | } | |
535 | ||
536 | switch (TYPE_CODE (type)) | |
537 | { | |
538 | case TYPE_CODE_ARRAY: | |
539 | case TYPE_CODE_STRING: | |
540 | low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)); | |
541 | high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)); | |
542 | break; | |
543 | case TYPE_CODE_RANGE: | |
544 | low = TYPE_LOW_BOUND (type); | |
545 | high = TYPE_HIGH_BOUND (type); | |
546 | break; | |
547 | } | |
548 | ||
549 | low_bound = PyLong_FromLong (low); | |
550 | if (!low_bound) | |
551 | goto failarg; | |
552 | ||
553 | high_bound = PyLong_FromLong (high); | |
554 | if (!high_bound) | |
555 | goto failarg; | |
556 | ||
557 | result = PyTuple_New (2); | |
558 | if (!result) | |
559 | goto failarg; | |
560 | ||
561 | if (PyTuple_SetItem (result, 0, low_bound) != 0) | |
562 | { | |
563 | Py_DECREF (result); | |
564 | goto failarg; | |
565 | } | |
566 | if (PyTuple_SetItem (result, 1, high_bound) != 0) | |
567 | { | |
568 | Py_DECREF (high_bound); | |
569 | Py_DECREF (result); | |
570 | return NULL; | |
571 | } | |
572 | return result; | |
573 | ||
574 | failarg: | |
575 | Py_XDECREF (high_bound); | |
576 | Py_XDECREF (low_bound); | |
577 | return NULL; | |
578 | } | |
579 | ||
2c74e833 TT |
580 | /* Return a Type object which represents a reference to SELF. */ |
581 | static PyObject * | |
582 | typy_reference (PyObject *self, PyObject *args) | |
583 | { | |
584 | struct type *type = ((type_object *) self)->type; | |
585 | volatile struct gdb_exception except; | |
586 | ||
587 | TRY_CATCH (except, RETURN_MASK_ALL) | |
588 | { | |
589 | type = lookup_reference_type (type); | |
590 | } | |
591 | GDB_PY_HANDLE_EXCEPTION (except); | |
592 | ||
593 | return type_to_type_object (type); | |
594 | } | |
595 | ||
596 | /* Return a Type object which represents the target type of SELF. */ | |
597 | static PyObject * | |
598 | typy_target (PyObject *self, PyObject *args) | |
599 | { | |
600 | struct type *type = ((type_object *) self)->type; | |
601 | ||
602 | if (!TYPE_TARGET_TYPE (type)) | |
603 | { | |
044c0f87 PM |
604 | PyErr_SetString (PyExc_RuntimeError, |
605 | _("Type does not have a target.")); | |
2c74e833 TT |
606 | return NULL; |
607 | } | |
608 | ||
609 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
610 | } | |
611 | ||
612 | /* Return a const-qualified type variant. */ | |
613 | static PyObject * | |
614 | typy_const (PyObject *self, PyObject *args) | |
615 | { | |
616 | struct type *type = ((type_object *) self)->type; | |
617 | volatile struct gdb_exception except; | |
618 | ||
619 | TRY_CATCH (except, RETURN_MASK_ALL) | |
620 | { | |
621 | type = make_cv_type (1, 0, type, NULL); | |
622 | } | |
623 | GDB_PY_HANDLE_EXCEPTION (except); | |
624 | ||
625 | return type_to_type_object (type); | |
626 | } | |
627 | ||
628 | /* Return a volatile-qualified type variant. */ | |
629 | static PyObject * | |
630 | typy_volatile (PyObject *self, PyObject *args) | |
631 | { | |
632 | struct type *type = ((type_object *) self)->type; | |
633 | volatile struct gdb_exception except; | |
634 | ||
635 | TRY_CATCH (except, RETURN_MASK_ALL) | |
636 | { | |
637 | type = make_cv_type (0, 1, type, NULL); | |
638 | } | |
639 | GDB_PY_HANDLE_EXCEPTION (except); | |
640 | ||
641 | return type_to_type_object (type); | |
642 | } | |
643 | ||
644 | /* Return an unqualified type variant. */ | |
645 | static PyObject * | |
646 | typy_unqualified (PyObject *self, PyObject *args) | |
647 | { | |
648 | struct type *type = ((type_object *) self)->type; | |
649 | volatile struct gdb_exception except; | |
650 | ||
651 | TRY_CATCH (except, RETURN_MASK_ALL) | |
652 | { | |
653 | type = make_cv_type (0, 0, type, NULL); | |
654 | } | |
655 | GDB_PY_HANDLE_EXCEPTION (except); | |
656 | ||
657 | return type_to_type_object (type); | |
658 | } | |
659 | ||
660 | /* Return the size of the type represented by SELF, in bytes. */ | |
661 | static PyObject * | |
662 | typy_get_sizeof (PyObject *self, void *closure) | |
663 | { | |
664 | struct type *type = ((type_object *) self)->type; | |
665 | volatile struct gdb_exception except; | |
666 | ||
667 | TRY_CATCH (except, RETURN_MASK_ALL) | |
668 | { | |
669 | check_typedef (type); | |
670 | } | |
671 | /* Ignore exceptions. */ | |
672 | ||
673 | return PyLong_FromLong (TYPE_LENGTH (type)); | |
674 | } | |
675 | ||
676 | static struct type * | |
9df2fbc4 | 677 | typy_lookup_typename (const char *type_name, const struct block *block) |
2c74e833 TT |
678 | { |
679 | struct type *type = NULL; | |
680 | volatile struct gdb_exception except; | |
d59b6f6c | 681 | |
2c74e833 TT |
682 | TRY_CATCH (except, RETURN_MASK_ALL) |
683 | { | |
684 | if (!strncmp (type_name, "struct ", 7)) | |
685 | type = lookup_struct (type_name + 7, NULL); | |
686 | else if (!strncmp (type_name, "union ", 6)) | |
687 | type = lookup_union (type_name + 6, NULL); | |
688 | else if (!strncmp (type_name, "enum ", 5)) | |
689 | type = lookup_enum (type_name + 5, NULL); | |
690 | else | |
d452c4bc | 691 | type = lookup_typename (python_language, python_gdbarch, |
5107b149 | 692 | type_name, block, 0); |
2c74e833 TT |
693 | } |
694 | if (except.reason < 0) | |
695 | { | |
76dce0be | 696 | gdbpy_convert_exception (except); |
2c74e833 TT |
697 | return NULL; |
698 | } | |
699 | ||
700 | return type; | |
701 | } | |
702 | ||
703 | static struct type * | |
5107b149 | 704 | typy_lookup_type (struct demangle_component *demangled, |
9df2fbc4 | 705 | const struct block *block) |
2c74e833 | 706 | { |
cd829959 | 707 | struct type *type, *rtype = NULL; |
76dce0be | 708 | char *type_name = NULL; |
2c74e833 | 709 | enum demangle_component_type demangled_type; |
76dce0be | 710 | volatile struct gdb_exception except; |
2c74e833 TT |
711 | |
712 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
713 | memory pointed by demangled. */ | |
714 | demangled_type = demangled->type; | |
715 | ||
716 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
717 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
718 | || demangled_type == DEMANGLE_COMPONENT_CONST | |
719 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
720 | { | |
5107b149 | 721 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
722 | if (! type) |
723 | return NULL; | |
724 | ||
76dce0be PM |
725 | TRY_CATCH (except, RETURN_MASK_ALL) |
726 | { | |
cd829959 PM |
727 | /* If the demangled_type matches with one of the types |
728 | below, run the corresponding function and save the type | |
729 | to return later. We cannot just return here as we are in | |
730 | an exception handler. */ | |
76dce0be PM |
731 | switch (demangled_type) |
732 | { | |
733 | case DEMANGLE_COMPONENT_REFERENCE: | |
cd829959 PM |
734 | rtype = lookup_reference_type (type); |
735 | break; | |
76dce0be | 736 | case DEMANGLE_COMPONENT_POINTER: |
cd829959 PM |
737 | rtype = lookup_pointer_type (type); |
738 | break; | |
76dce0be | 739 | case DEMANGLE_COMPONENT_CONST: |
cd829959 PM |
740 | rtype = make_cv_type (1, 0, type, NULL); |
741 | break; | |
76dce0be | 742 | case DEMANGLE_COMPONENT_VOLATILE: |
cd829959 PM |
743 | rtype = make_cv_type (0, 1, type, NULL); |
744 | break; | |
76dce0be | 745 | } |
76dce0be PM |
746 | } |
747 | if (except.reason < 0) | |
2c74e833 | 748 | { |
76dce0be PM |
749 | gdbpy_convert_exception (except); |
750 | return NULL; | |
2c74e833 TT |
751 | } |
752 | } | |
cd829959 PM |
753 | |
754 | /* If we have a type from the switch statement above, just return | |
755 | that. */ | |
756 | if (rtype) | |
757 | return rtype; | |
758 | ||
759 | /* We don't have a type, so lookup the type. */ | |
760 | type_name = cp_comp_to_string (demangled, 10); | |
5107b149 | 761 | type = typy_lookup_typename (type_name, block); |
2c74e833 TT |
762 | xfree (type_name); |
763 | ||
764 | return type; | |
765 | } | |
766 | ||
326fd672 TT |
767 | /* This is a helper function for typy_template_argument that is used |
768 | when the type does not have template symbols attached. It works by | |
769 | parsing the type name. This happens with compilers, like older | |
770 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
771 | ||
2c74e833 | 772 | static PyObject * |
9df2fbc4 | 773 | typy_legacy_template_argument (struct type *type, const struct block *block, |
326fd672 | 774 | int argno) |
2c74e833 | 775 | { |
326fd672 | 776 | int i; |
2c74e833 | 777 | struct demangle_component *demangled; |
5d9c5995 | 778 | struct demangle_parse_info *info = NULL; |
2c74e833 TT |
779 | const char *err; |
780 | struct type *argtype; | |
3a93a0c2 | 781 | struct cleanup *cleanup; |
5d9c5995 | 782 | volatile struct gdb_exception except; |
2c74e833 TT |
783 | |
784 | if (TYPE_NAME (type) == NULL) | |
785 | { | |
5107b149 | 786 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
787 | return NULL; |
788 | } | |
789 | ||
5d9c5995 PM |
790 | TRY_CATCH (except, RETURN_MASK_ALL) |
791 | { | |
792 | /* Note -- this is not thread-safe. */ | |
793 | info = cp_demangled_name_to_comp (TYPE_NAME (type), &err); | |
794 | } | |
795 | GDB_PY_HANDLE_EXCEPTION (except); | |
796 | ||
3a93a0c2 | 797 | if (! info) |
2c74e833 TT |
798 | { |
799 | PyErr_SetString (PyExc_RuntimeError, err); | |
800 | return NULL; | |
801 | } | |
3a93a0c2 KS |
802 | demangled = info->tree; |
803 | cleanup = make_cleanup_cp_demangled_name_parse_free (info); | |
2c74e833 TT |
804 | |
805 | /* Strip off component names. */ | |
806 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
807 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
808 | demangled = demangled->u.s_binary.right; | |
809 | ||
810 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
811 | { | |
3a93a0c2 | 812 | do_cleanups (cleanup); |
5107b149 | 813 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
814 | return NULL; |
815 | } | |
816 | ||
817 | /* Skip from the template to the arguments. */ | |
818 | demangled = demangled->u.s_binary.right; | |
819 | ||
820 | for (i = 0; demangled && i < argno; ++i) | |
821 | demangled = demangled->u.s_binary.right; | |
822 | ||
823 | if (! demangled) | |
824 | { | |
3a93a0c2 | 825 | do_cleanups (cleanup); |
5107b149 | 826 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
827 | argno); |
828 | return NULL; | |
829 | } | |
830 | ||
5107b149 | 831 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
3a93a0c2 | 832 | do_cleanups (cleanup); |
2c74e833 TT |
833 | if (! argtype) |
834 | return NULL; | |
835 | ||
836 | return type_to_type_object (argtype); | |
326fd672 TT |
837 | } |
838 | ||
839 | static PyObject * | |
840 | typy_template_argument (PyObject *self, PyObject *args) | |
841 | { | |
842 | int argno; | |
843 | struct type *type = ((type_object *) self)->type; | |
9df2fbc4 | 844 | const struct block *block = NULL; |
326fd672 TT |
845 | PyObject *block_obj = NULL; |
846 | struct symbol *sym; | |
847 | struct value *val = NULL; | |
848 | volatile struct gdb_exception except; | |
849 | ||
850 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
851 | return NULL; | |
852 | ||
853 | if (block_obj) | |
854 | { | |
855 | block = block_object_to_block (block_obj); | |
856 | if (! block) | |
857 | { | |
858 | PyErr_SetString (PyExc_RuntimeError, | |
859 | _("Second argument must be block.")); | |
860 | return NULL; | |
861 | } | |
862 | } | |
863 | ||
05d0e1e7 TT |
864 | TRY_CATCH (except, RETURN_MASK_ALL) |
865 | { | |
866 | type = check_typedef (type); | |
867 | if (TYPE_CODE (type) == TYPE_CODE_REF) | |
868 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
869 | } | |
870 | GDB_PY_HANDLE_EXCEPTION (except); | |
326fd672 TT |
871 | |
872 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
873 | name. This is inefficient if we do not have a template type -- | |
874 | but that is going to wind up as an error anyhow. */ | |
875 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
876 | return typy_legacy_template_argument (type, block, argno); | |
877 | ||
878 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
879 | { | |
880 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
881 | argno); | |
882 | return NULL; | |
883 | } | |
884 | ||
885 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
886 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
887 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
888 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
889 | { | |
890 | PyErr_Format (PyExc_RuntimeError, | |
891 | _("Template argument is optimized out")); | |
892 | return NULL; | |
893 | } | |
894 | ||
895 | TRY_CATCH (except, RETURN_MASK_ALL) | |
896 | { | |
897 | val = value_of_variable (sym, block); | |
898 | } | |
899 | GDB_PY_HANDLE_EXCEPTION (except); | |
900 | ||
901 | return value_to_value_object (val); | |
2c74e833 TT |
902 | } |
903 | ||
904 | static PyObject * | |
905 | typy_str (PyObject *self) | |
906 | { | |
907 | volatile struct gdb_exception except; | |
908 | char *thetype = NULL; | |
759ef836 | 909 | long length = 0; |
2c74e833 TT |
910 | PyObject *result; |
911 | ||
912 | TRY_CATCH (except, RETURN_MASK_ALL) | |
913 | { | |
914 | struct cleanup *old_chain; | |
915 | struct ui_file *stb; | |
2c74e833 TT |
916 | |
917 | stb = mem_fileopen (); | |
918 | old_chain = make_cleanup_ui_file_delete (stb); | |
919 | ||
920 | type_print (type_object_to_type (self), "", stb, -1); | |
921 | ||
922 | thetype = ui_file_xstrdup (stb, &length); | |
923 | do_cleanups (old_chain); | |
924 | } | |
925 | if (except.reason < 0) | |
926 | { | |
927 | xfree (thetype); | |
928 | GDB_PY_HANDLE_EXCEPTION (except); | |
929 | } | |
930 | ||
759ef836 | 931 | result = PyUnicode_Decode (thetype, length, host_charset (), NULL); |
2c74e833 TT |
932 | xfree (thetype); |
933 | ||
934 | return result; | |
935 | } | |
936 | ||
d839c8a4 TT |
937 | /* An entry in the type-equality bcache. */ |
938 | ||
939 | typedef struct type_equality_entry | |
940 | { | |
941 | struct type *type1, *type2; | |
942 | } type_equality_entry_d; | |
943 | ||
944 | DEF_VEC_O (type_equality_entry_d); | |
945 | ||
946 | /* A helper function to compare two strings. Returns 1 if they are | |
947 | the same, 0 otherwise. Handles NULLs properly. */ | |
948 | ||
949 | static int | |
f8eba3c6 | 950 | compare_maybe_null_strings (const char *s, const char *t) |
d839c8a4 TT |
951 | { |
952 | if (s == NULL && t != NULL) | |
953 | return 0; | |
954 | else if (s != NULL && t == NULL) | |
955 | return 0; | |
956 | else if (s == NULL && t== NULL) | |
957 | return 1; | |
958 | return strcmp (s, t) == 0; | |
959 | } | |
960 | ||
961 | /* A helper function for typy_richcompare that checks two types for | |
962 | "deep" equality. Returns Py_EQ if the types are considered the | |
963 | same, Py_NE otherwise. */ | |
964 | ||
965 | static int | |
966 | check_types_equal (struct type *type1, struct type *type2, | |
967 | VEC (type_equality_entry_d) **worklist) | |
968 | { | |
969 | CHECK_TYPEDEF (type1); | |
970 | CHECK_TYPEDEF (type2); | |
971 | ||
972 | if (type1 == type2) | |
973 | return Py_EQ; | |
974 | ||
975 | if (TYPE_CODE (type1) != TYPE_CODE (type2) | |
976 | || TYPE_LENGTH (type1) != TYPE_LENGTH (type2) | |
977 | || TYPE_UNSIGNED (type1) != TYPE_UNSIGNED (type2) | |
978 | || TYPE_NOSIGN (type1) != TYPE_NOSIGN (type2) | |
979 | || TYPE_VARARGS (type1) != TYPE_VARARGS (type2) | |
980 | || TYPE_VECTOR (type1) != TYPE_VECTOR (type2) | |
981 | || TYPE_NOTTEXT (type1) != TYPE_NOTTEXT (type2) | |
982 | || TYPE_INSTANCE_FLAGS (type1) != TYPE_INSTANCE_FLAGS (type2) | |
983 | || TYPE_NFIELDS (type1) != TYPE_NFIELDS (type2)) | |
984 | return Py_NE; | |
985 | ||
f8eba3c6 TT |
986 | if (!compare_maybe_null_strings (TYPE_TAG_NAME (type1), |
987 | TYPE_TAG_NAME (type2))) | |
d839c8a4 | 988 | return Py_NE; |
f8eba3c6 | 989 | if (!compare_maybe_null_strings (TYPE_NAME (type1), TYPE_NAME (type2))) |
d839c8a4 TT |
990 | return Py_NE; |
991 | ||
992 | if (TYPE_CODE (type1) == TYPE_CODE_RANGE) | |
993 | { | |
994 | if (memcmp (TYPE_RANGE_DATA (type1), TYPE_RANGE_DATA (type2), | |
995 | sizeof (*TYPE_RANGE_DATA (type1))) != 0) | |
996 | return Py_NE; | |
997 | } | |
998 | else | |
999 | { | |
1000 | int i; | |
1001 | ||
1002 | for (i = 0; i < TYPE_NFIELDS (type1); ++i) | |
1003 | { | |
1004 | const struct field *field1 = &TYPE_FIELD (type1, i); | |
1005 | const struct field *field2 = &TYPE_FIELD (type2, i); | |
1006 | struct type_equality_entry entry; | |
1007 | ||
1008 | if (FIELD_ARTIFICIAL (*field1) != FIELD_ARTIFICIAL (*field2) | |
1009 | || FIELD_BITSIZE (*field1) != FIELD_BITSIZE (*field2) | |
1010 | || FIELD_LOC_KIND (*field1) != FIELD_LOC_KIND (*field2)) | |
1011 | return Py_NE; | |
f8eba3c6 TT |
1012 | if (!compare_maybe_null_strings (FIELD_NAME (*field1), |
1013 | FIELD_NAME (*field2))) | |
d839c8a4 TT |
1014 | return Py_NE; |
1015 | switch (FIELD_LOC_KIND (*field1)) | |
1016 | { | |
1017 | case FIELD_LOC_KIND_BITPOS: | |
1018 | if (FIELD_BITPOS (*field1) != FIELD_BITPOS (*field2)) | |
1019 | return Py_NE; | |
1020 | break; | |
1021 | case FIELD_LOC_KIND_PHYSADDR: | |
1022 | if (FIELD_STATIC_PHYSADDR (*field1) | |
1023 | != FIELD_STATIC_PHYSADDR (*field2)) | |
1024 | return Py_NE; | |
1025 | break; | |
1026 | case FIELD_LOC_KIND_PHYSNAME: | |
f8eba3c6 TT |
1027 | if (!compare_maybe_null_strings (FIELD_STATIC_PHYSNAME (*field1), |
1028 | FIELD_STATIC_PHYSNAME (*field2))) | |
d839c8a4 TT |
1029 | return Py_NE; |
1030 | break; | |
8e3b41a9 JK |
1031 | case FIELD_LOC_KIND_DWARF_BLOCK: |
1032 | { | |
1033 | struct dwarf2_locexpr_baton *block1, *block2; | |
1034 | ||
1035 | block1 = FIELD_DWARF_BLOCK (*field1); | |
1036 | block2 = FIELD_DWARF_BLOCK (*field2); | |
1037 | if (block1->per_cu != block2->per_cu | |
1038 | || block1->size != block2->size | |
1039 | || memcmp (block1->data, block2->data, block1->size) != 0) | |
1040 | return Py_NE; | |
1041 | } | |
1042 | break; | |
1043 | default: | |
1044 | internal_error (__FILE__, __LINE__, _("Unsupported field kind " | |
1045 | "%d by check_types_equal"), | |
1046 | FIELD_LOC_KIND (*field1)); | |
d839c8a4 TT |
1047 | } |
1048 | ||
1049 | entry.type1 = FIELD_TYPE (*field1); | |
1050 | entry.type2 = FIELD_TYPE (*field2); | |
1051 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
1052 | } | |
1053 | } | |
1054 | ||
1055 | if (TYPE_TARGET_TYPE (type1) != NULL) | |
1056 | { | |
1057 | struct type_equality_entry entry; | |
1058 | int added; | |
1059 | ||
1060 | if (TYPE_TARGET_TYPE (type2) == NULL) | |
1061 | return Py_NE; | |
1062 | ||
1063 | entry.type1 = TYPE_TARGET_TYPE (type1); | |
1064 | entry.type2 = TYPE_TARGET_TYPE (type2); | |
1065 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
1066 | } | |
1067 | else if (TYPE_TARGET_TYPE (type2) != NULL) | |
1068 | return Py_NE; | |
1069 | ||
1070 | return Py_EQ; | |
1071 | } | |
1072 | ||
1073 | /* Check types on a worklist for equality. Returns Py_NE if any pair | |
1074 | is not equal, Py_EQ if they are all considered equal. */ | |
1075 | ||
1076 | static int | |
1077 | check_types_worklist (VEC (type_equality_entry_d) **worklist, | |
1078 | struct bcache *cache) | |
1079 | { | |
1080 | while (!VEC_empty (type_equality_entry_d, *worklist)) | |
1081 | { | |
1082 | struct type_equality_entry entry; | |
1083 | int added; | |
1084 | ||
1085 | entry = *VEC_last (type_equality_entry_d, *worklist); | |
1086 | VEC_pop (type_equality_entry_d, *worklist); | |
1087 | ||
1088 | /* If the type pair has already been visited, we know it is | |
1089 | ok. */ | |
1090 | bcache_full (&entry, sizeof (entry), cache, &added); | |
1091 | if (!added) | |
1092 | continue; | |
1093 | ||
1094 | if (check_types_equal (entry.type1, entry.type2, worklist) == Py_NE) | |
1095 | return Py_NE; | |
1096 | } | |
1097 | ||
1098 | return Py_EQ; | |
1099 | } | |
1100 | ||
1101 | /* Implement the richcompare method. */ | |
1102 | ||
1103 | static PyObject * | |
1104 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
1105 | { | |
1106 | int result = Py_NE; | |
1107 | struct type *type1 = type_object_to_type (self); | |
1108 | struct type *type2 = type_object_to_type (other); | |
1109 | volatile struct gdb_exception except; | |
1110 | ||
1111 | /* We can only compare ourselves to another Type object, and only | |
1112 | for equality or inequality. */ | |
1113 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
1114 | { | |
1115 | Py_INCREF (Py_NotImplemented); | |
1116 | return Py_NotImplemented; | |
1117 | } | |
1118 | ||
1119 | if (type1 == type2) | |
1120 | result = Py_EQ; | |
1121 | else | |
1122 | { | |
1123 | struct bcache *cache; | |
e8fd65ef | 1124 | VEC (type_equality_entry_d) *worklist = NULL; |
d839c8a4 TT |
1125 | struct type_equality_entry entry; |
1126 | ||
cbd70537 | 1127 | cache = bcache_xmalloc (NULL, NULL); |
d839c8a4 TT |
1128 | |
1129 | entry.type1 = type1; | |
1130 | entry.type2 = type2; | |
1131 | VEC_safe_push (type_equality_entry_d, worklist, &entry); | |
1132 | ||
1133 | TRY_CATCH (except, RETURN_MASK_ALL) | |
1134 | { | |
1135 | result = check_types_worklist (&worklist, cache); | |
1136 | } | |
76dce0be PM |
1137 | /* check_types_worklist calls several nested Python helper |
1138 | functions, some of which can raise a GDB Exception, so we | |
1139 | just check and convert here. If there is a GDB exception, a | |
1140 | comparison is not capable (or trusted), so exit. */ | |
d839c8a4 TT |
1141 | bcache_xfree (cache); |
1142 | VEC_free (type_equality_entry_d, worklist); | |
76dce0be | 1143 | GDB_PY_HANDLE_EXCEPTION (except); |
d839c8a4 TT |
1144 | } |
1145 | ||
1146 | if (op == result) | |
1147 | Py_RETURN_TRUE; | |
1148 | Py_RETURN_FALSE; | |
1149 | } | |
1150 | ||
2c74e833 TT |
1151 | \f |
1152 | ||
1153 | static const struct objfile_data *typy_objfile_data_key; | |
1154 | ||
1155 | static void | |
c1bd65d0 | 1156 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 TT |
1157 | { |
1158 | type_object *obj = datum; | |
1159 | htab_t copied_types; | |
1160 | struct cleanup *cleanup; | |
2c74e833 TT |
1161 | |
1162 | /* This prevents another thread from freeing the objects we're | |
1163 | operating on. */ | |
d452c4bc | 1164 | cleanup = ensure_python_env (get_objfile_arch (objfile), current_language); |
2c74e833 TT |
1165 | |
1166 | copied_types = create_copied_types_hash (objfile); | |
1167 | ||
1168 | while (obj) | |
1169 | { | |
1170 | type_object *next = obj->next; | |
1171 | ||
1172 | htab_empty (copied_types); | |
1173 | ||
1174 | obj->type = copy_type_recursive (objfile, obj->type, copied_types); | |
1175 | ||
1176 | obj->next = NULL; | |
1177 | obj->prev = NULL; | |
1178 | ||
1179 | obj = next; | |
1180 | } | |
1181 | ||
1182 | htab_delete (copied_types); | |
1183 | ||
1184 | do_cleanups (cleanup); | |
1185 | } | |
1186 | ||
1187 | static void | |
1188 | set_type (type_object *obj, struct type *type) | |
1189 | { | |
1190 | obj->type = type; | |
1191 | obj->prev = NULL; | |
1192 | if (type && TYPE_OBJFILE (type)) | |
1193 | { | |
1194 | struct objfile *objfile = TYPE_OBJFILE (type); | |
1195 | ||
1196 | obj->next = objfile_data (objfile, typy_objfile_data_key); | |
1197 | if (obj->next) | |
1198 | obj->next->prev = obj; | |
1199 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
1200 | } | |
1201 | else | |
1202 | obj->next = NULL; | |
1203 | } | |
1204 | ||
1205 | static void | |
1206 | typy_dealloc (PyObject *obj) | |
1207 | { | |
1208 | type_object *type = (type_object *) obj; | |
1209 | ||
1210 | if (type->prev) | |
1211 | type->prev->next = type->next; | |
1212 | else if (type->type && TYPE_OBJFILE (type->type)) | |
1213 | { | |
1214 | /* Must reset head of list. */ | |
1215 | struct objfile *objfile = TYPE_OBJFILE (type->type); | |
d59b6f6c | 1216 | |
2c74e833 TT |
1217 | if (objfile) |
1218 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
1219 | } | |
1220 | if (type->next) | |
1221 | type->next->prev = type->prev; | |
1222 | ||
1223 | type->ob_type->tp_free (type); | |
1224 | } | |
1225 | ||
a73bb892 PK |
1226 | /* Return number of fields ("length" of the field dictionary). */ |
1227 | ||
1228 | static Py_ssize_t | |
1229 | typy_length (PyObject *self) | |
1230 | { | |
1231 | struct type *type = ((type_object *) self)->type; | |
1232 | ||
9cc10fd1 PK |
1233 | type = typy_get_composite (type); |
1234 | if (type == NULL) | |
1235 | return -1; | |
1236 | ||
a73bb892 PK |
1237 | return TYPE_NFIELDS (type); |
1238 | } | |
1239 | ||
9cc10fd1 PK |
1240 | /* Implements boolean evaluation of gdb.Type. Handle this like other |
1241 | Python objects that don't have a meaningful truth value -- all | |
1242 | values are true. */ | |
1243 | ||
1244 | static int | |
1245 | typy_nonzero (PyObject *self) | |
1246 | { | |
1247 | return 1; | |
1248 | } | |
1249 | ||
a73bb892 PK |
1250 | /* Return a gdb.Field object for the field named by the argument. */ |
1251 | ||
1252 | static PyObject * | |
1253 | typy_getitem (PyObject *self, PyObject *key) | |
1254 | { | |
1255 | struct type *type = ((type_object *) self)->type; | |
1256 | char *field; | |
1257 | int i; | |
76dce0be PM |
1258 | volatile struct gdb_exception except; |
1259 | ||
a73bb892 PK |
1260 | field = python_string_to_host_string (key); |
1261 | if (field == NULL) | |
1262 | return NULL; | |
1263 | ||
1264 | /* We want just fields of this type, not of base types, so instead of | |
1265 | using lookup_struct_elt_type, portions of that function are | |
1266 | copied here. */ | |
1267 | ||
9cc10fd1 PK |
1268 | type = typy_get_composite (type); |
1269 | if (type == NULL) | |
1270 | return NULL; | |
1271 | ||
a73bb892 PK |
1272 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
1273 | { | |
1274 | char *t_field_name = TYPE_FIELD_NAME (type, i); | |
1275 | ||
1276 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1277 | { | |
1278 | return convert_field (type, i); | |
1279 | } | |
1280 | } | |
1281 | PyErr_SetObject (PyExc_KeyError, key); | |
1282 | return NULL; | |
1283 | } | |
1284 | ||
1285 | /* Implement the "get" method on the type object. This is the | |
1286 | same as getitem if the key is present, but returns the supplied | |
1287 | default value or None if the key is not found. */ | |
1288 | ||
1289 | static PyObject * | |
1290 | typy_get (PyObject *self, PyObject *args) | |
1291 | { | |
1292 | PyObject *key, *defval = Py_None, *result; | |
1293 | ||
1294 | if (!PyArg_UnpackTuple (args, "get", 1, 2, &key, &defval)) | |
1295 | return NULL; | |
1296 | ||
1297 | result = typy_getitem (self, key); | |
1298 | if (result != NULL) | |
1299 | return result; | |
1300 | ||
1301 | /* typy_getitem returned error status. If the exception is | |
1302 | KeyError, clear the exception status and return the defval | |
1303 | instead. Otherwise return the exception unchanged. */ | |
1304 | if (!PyErr_ExceptionMatches (PyExc_KeyError)) | |
1305 | return NULL; | |
1306 | ||
1307 | PyErr_Clear (); | |
1308 | Py_INCREF (defval); | |
1309 | return defval; | |
1310 | } | |
1311 | ||
1312 | /* Implement the "has_key" method on the type object. */ | |
1313 | ||
1314 | static PyObject * | |
1315 | typy_has_key (PyObject *self, PyObject *args) | |
1316 | { | |
1317 | struct type *type = ((type_object *) self)->type; | |
2ff6b080 | 1318 | const char *field; |
a73bb892 | 1319 | int i; |
76dce0be PM |
1320 | volatile struct gdb_exception except; |
1321 | ||
a73bb892 PK |
1322 | if (!PyArg_ParseTuple (args, "s", &field)) |
1323 | return NULL; | |
1324 | ||
1325 | /* We want just fields of this type, not of base types, so instead of | |
1326 | using lookup_struct_elt_type, portions of that function are | |
1327 | copied here. */ | |
1328 | ||
9cc10fd1 PK |
1329 | type = typy_get_composite (type); |
1330 | if (type == NULL) | |
1331 | return NULL; | |
a73bb892 PK |
1332 | |
1333 | for (i = 0; i < TYPE_NFIELDS (type); i++) | |
1334 | { | |
1335 | char *t_field_name = TYPE_FIELD_NAME (type, i); | |
1336 | ||
1337 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1338 | Py_RETURN_TRUE; | |
1339 | } | |
1340 | Py_RETURN_FALSE; | |
1341 | } | |
1342 | ||
1343 | /* Make an iterator object to iterate over keys, values, or items. */ | |
1344 | ||
1345 | static PyObject * | |
1346 | typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind) | |
1347 | { | |
1348 | typy_iterator_object *typy_iter_obj; | |
1349 | ||
9cc10fd1 PK |
1350 | /* Check that "self" is a structure or union type. */ |
1351 | if (typy_get_composite (((type_object *) self)->type) == NULL) | |
1352 | return NULL; | |
1353 | ||
a73bb892 PK |
1354 | typy_iter_obj = PyObject_New (typy_iterator_object, |
1355 | &type_iterator_object_type); | |
1356 | if (typy_iter_obj == NULL) | |
1357 | return NULL; | |
1358 | ||
1359 | typy_iter_obj->field = 0; | |
1360 | typy_iter_obj->kind = kind; | |
1361 | Py_INCREF (self); | |
1362 | typy_iter_obj->source = (type_object *) self; | |
1363 | ||
1364 | return (PyObject *) typy_iter_obj; | |
1365 | } | |
1366 | ||
1367 | /* iteritems() method. */ | |
1368 | ||
1369 | static PyObject * | |
1370 | typy_iteritems (PyObject *self, PyObject *args) | |
1371 | { | |
1372 | return typy_make_iter (self, iter_items); | |
1373 | } | |
1374 | ||
1375 | /* iterkeys() method. */ | |
1376 | ||
1377 | static PyObject * | |
1378 | typy_iterkeys (PyObject *self, PyObject *args) | |
1379 | { | |
1380 | return typy_make_iter (self, iter_keys); | |
1381 | } | |
1382 | ||
1383 | /* Iterating over the class, same as iterkeys except for the function | |
1384 | signature. */ | |
1385 | ||
1386 | static PyObject * | |
1387 | typy_iter (PyObject *self) | |
1388 | { | |
1389 | return typy_make_iter (self, iter_keys); | |
1390 | } | |
1391 | ||
1392 | /* itervalues() method. */ | |
1393 | ||
1394 | static PyObject * | |
1395 | typy_itervalues (PyObject *self, PyObject *args) | |
1396 | { | |
1397 | return typy_make_iter (self, iter_values); | |
1398 | } | |
1399 | ||
1400 | /* Return a reference to the type iterator. */ | |
1401 | ||
1402 | static PyObject * | |
1403 | typy_iterator_iter (PyObject *self) | |
1404 | { | |
1405 | Py_INCREF (self); | |
1406 | return self; | |
1407 | } | |
1408 | ||
1409 | /* Return the next field in the iteration through the list of fields | |
1410 | of the type. */ | |
1411 | ||
1412 | static PyObject * | |
1413 | typy_iterator_iternext (PyObject *self) | |
1414 | { | |
1415 | typy_iterator_object *iter_obj = (typy_iterator_object *) self; | |
1416 | struct type *type = iter_obj->source->type; | |
1417 | int i; | |
1418 | PyObject *result; | |
1419 | ||
1420 | if (iter_obj->field < TYPE_NFIELDS (type)) | |
1421 | { | |
1422 | result = make_fielditem (type, iter_obj->field, iter_obj->kind); | |
1423 | if (result != NULL) | |
1424 | iter_obj->field++; | |
1425 | return result; | |
1426 | } | |
1427 | ||
1428 | return NULL; | |
1429 | } | |
1430 | ||
1431 | static void | |
1432 | typy_iterator_dealloc (PyObject *obj) | |
1433 | { | |
1434 | typy_iterator_object *iter_obj = (typy_iterator_object *) obj; | |
1435 | ||
1436 | Py_DECREF (iter_obj->source); | |
1437 | } | |
1438 | ||
2c74e833 TT |
1439 | /* Create a new Type referring to TYPE. */ |
1440 | PyObject * | |
1441 | type_to_type_object (struct type *type) | |
1442 | { | |
1443 | type_object *type_obj; | |
1444 | ||
1445 | type_obj = PyObject_New (type_object, &type_object_type); | |
1446 | if (type_obj) | |
1447 | set_type (type_obj, type); | |
1448 | ||
1449 | return (PyObject *) type_obj; | |
1450 | } | |
1451 | ||
1452 | struct type * | |
1453 | type_object_to_type (PyObject *obj) | |
1454 | { | |
1455 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1456 | return NULL; | |
1457 | return ((type_object *) obj)->type; | |
1458 | } | |
1459 | ||
1460 | \f | |
1461 | ||
1462 | /* Implementation of gdb.lookup_type. */ | |
1463 | PyObject * | |
1464 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1465 | { | |
5107b149 | 1466 | static char *keywords[] = { "name", "block", NULL }; |
ddd49eee | 1467 | const char *type_name = NULL; |
2c74e833 | 1468 | struct type *type = NULL; |
5107b149 | 1469 | PyObject *block_obj = NULL; |
9df2fbc4 | 1470 | const struct block *block = NULL; |
2c74e833 | 1471 | |
5107b149 PM |
1472 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1473 | &type_name, &block_obj)) | |
2c74e833 TT |
1474 | return NULL; |
1475 | ||
5107b149 PM |
1476 | if (block_obj) |
1477 | { | |
1478 | block = block_object_to_block (block_obj); | |
1479 | if (! block) | |
1480 | { | |
1481 | PyErr_SetString (PyExc_RuntimeError, | |
1482 | _("'block' argument must be a Block.")); | |
1483 | return NULL; | |
1484 | } | |
1485 | } | |
1486 | ||
1487 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1488 | if (! type) |
1489 | return NULL; | |
1490 | ||
1491 | return (PyObject *) type_to_type_object (type); | |
1492 | } | |
1493 | ||
1494 | void | |
1495 | gdbpy_initialize_types (void) | |
1496 | { | |
1497 | int i; | |
1498 | ||
1499 | typy_objfile_data_key | |
c1bd65d0 | 1500 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); |
2c74e833 TT |
1501 | |
1502 | if (PyType_Ready (&type_object_type) < 0) | |
1503 | return; | |
1504 | if (PyType_Ready (&field_object_type) < 0) | |
1505 | return; | |
a73bb892 PK |
1506 | if (PyType_Ready (&type_iterator_object_type) < 0) |
1507 | return; | |
2c74e833 TT |
1508 | |
1509 | for (i = 0; pyty_codes[i].name; ++i) | |
1510 | { | |
1511 | if (PyModule_AddIntConstant (gdb_module, | |
1512 | /* Cast needed for Python 2.4. */ | |
1513 | (char *) pyty_codes[i].name, | |
1514 | pyty_codes[i].code) < 0) | |
1515 | return; | |
1516 | } | |
1517 | ||
1518 | Py_INCREF (&type_object_type); | |
1519 | PyModule_AddObject (gdb_module, "Type", (PyObject *) &type_object_type); | |
1520 | ||
a73bb892 PK |
1521 | Py_INCREF (&type_iterator_object_type); |
1522 | PyModule_AddObject (gdb_module, "TypeIterator", | |
1523 | (PyObject *) &type_iterator_object_type); | |
1524 | ||
2c74e833 TT |
1525 | Py_INCREF (&field_object_type); |
1526 | PyModule_AddObject (gdb_module, "Field", (PyObject *) &field_object_type); | |
1527 | } | |
1528 | ||
1529 | \f | |
1530 | ||
1531 | static PyGetSetDef type_object_getset[] = | |
1532 | { | |
1533 | { "code", typy_get_code, NULL, | |
1534 | "The code for this type.", NULL }, | |
1535 | { "sizeof", typy_get_sizeof, NULL, | |
1536 | "The size of this type, in bytes.", NULL }, | |
1537 | { "tag", typy_get_tag, NULL, | |
1538 | "The tag name for this type, or None.", NULL }, | |
1539 | { NULL } | |
1540 | }; | |
1541 | ||
1542 | static PyMethodDef type_object_methods[] = | |
1543 | { | |
702c2711 | 1544 | { "array", typy_array, METH_VARARGS, |
f28c316a DE |
1545 | "array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ |
1546 | Return a type which represents an array of objects of this type.\n\ | |
1547 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1548 | If LOW_BOUND is omitted, a value of zero is used." }, | |
a73bb892 PK |
1549 | { "__contains__", typy_has_key, METH_VARARGS, |
1550 | "T.__contains__(k) -> True if T has a field named k, else False" }, | |
2c74e833 TT |
1551 | { "const", typy_const, METH_NOARGS, |
1552 | "const () -> Type\n\ | |
1553 | Return a const variant of this type." }, | |
1554 | { "fields", typy_fields, METH_NOARGS, | |
a73bb892 PK |
1555 | "fields () -> list\n\ |
1556 | Return a list holding all the fields of this type.\n\ | |
1557 | Each field is a gdb.Field object." }, | |
1558 | { "get", typy_get, METH_VARARGS, | |
1559 | "T.get(k[,default]) -> returns field named k in T, if it exists;\n\ | |
1560 | otherwise returns default, if supplied, or None if not." }, | |
1561 | { "has_key", typy_has_key, METH_VARARGS, | |
1562 | "T.has_key(k) -> True if T has a field named k, else False" }, | |
1563 | { "items", typy_items, METH_NOARGS, | |
1564 | "items () -> list\n\ | |
1565 | Return a list of (name, field) pairs of this type.\n\ | |
1566 | Each field is a gdb.Field object." }, | |
1567 | { "iteritems", typy_iteritems, METH_NOARGS, | |
1568 | "iteritems () -> an iterator over the (name, field)\n\ | |
1569 | pairs of this type. Each field is a gdb.Field object." }, | |
1570 | { "iterkeys", typy_iterkeys, METH_NOARGS, | |
1571 | "iterkeys () -> an iterator over the field names of this type." }, | |
1572 | { "itervalues", typy_itervalues, METH_NOARGS, | |
1573 | "itervalues () -> an iterator over the fields of this type.\n\ | |
1574 | Each field is a gdb.Field object." }, | |
1575 | { "keys", typy_field_names, METH_NOARGS, | |
1576 | "keys () -> list\n\ | |
1577 | Return a list holding all the fields names of this type." }, | |
2c74e833 TT |
1578 | { "pointer", typy_pointer, METH_NOARGS, |
1579 | "pointer () -> Type\n\ | |
1580 | Return a type of pointer to this type." }, | |
361ae042 PM |
1581 | { "range", typy_range, METH_NOARGS, |
1582 | "range () -> tuple\n\ | |
1583 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1584 | { "reference", typy_reference, METH_NOARGS, |
1585 | "reference () -> Type\n\ | |
1586 | Return a type of reference to this type." }, | |
1587 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1588 | "strip_typedefs () -> Type\n\ | |
1589 | Return a type formed by stripping this type of all typedefs."}, | |
1590 | { "target", typy_target, METH_NOARGS, | |
1591 | "target () -> Type\n\ | |
1592 | Return the target type of this type." }, | |
1593 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1594 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1595 | Return the type of a template argument." }, |
1596 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1597 | "unqualified () -> Type\n\ | |
1598 | Return a variant of this type without const or volatile attributes." }, | |
9cc10fd1 | 1599 | { "values", typy_values, METH_NOARGS, |
a73bb892 PK |
1600 | "values () -> list\n\ |
1601 | Return a list holding all the fields of this type.\n\ | |
1602 | Each field is a gdb.Field object." }, | |
2c74e833 TT |
1603 | { "volatile", typy_volatile, METH_NOARGS, |
1604 | "volatile () -> Type\n\ | |
1605 | Return a volatile variant of this type" }, | |
1606 | { NULL } | |
1607 | }; | |
1608 | ||
9cc10fd1 PK |
1609 | static PyNumberMethods type_object_as_number = { |
1610 | NULL, /* nb_add */ | |
1611 | NULL, /* nb_subtract */ | |
1612 | NULL, /* nb_multiply */ | |
1613 | NULL, /* nb_divide */ | |
1614 | NULL, /* nb_remainder */ | |
1615 | NULL, /* nb_divmod */ | |
1616 | NULL, /* nb_power */ | |
1617 | NULL, /* nb_negative */ | |
1618 | NULL, /* nb_positive */ | |
1619 | NULL, /* nb_absolute */ | |
1620 | typy_nonzero, /* nb_nonzero */ | |
1621 | NULL, /* nb_invert */ | |
1622 | NULL, /* nb_lshift */ | |
1623 | NULL, /* nb_rshift */ | |
1624 | NULL, /* nb_and */ | |
1625 | NULL, /* nb_xor */ | |
1626 | NULL, /* nb_or */ | |
1627 | NULL, /* nb_coerce */ | |
1628 | NULL, /* nb_int */ | |
1629 | NULL, /* nb_long */ | |
1630 | NULL, /* nb_float */ | |
1631 | NULL, /* nb_oct */ | |
1632 | NULL /* nb_hex */ | |
1633 | }; | |
1634 | ||
a73bb892 PK |
1635 | static PyMappingMethods typy_mapping = { |
1636 | typy_length, | |
1637 | typy_getitem, | |
1638 | NULL /* no "set" method */ | |
1639 | }; | |
1640 | ||
2c74e833 TT |
1641 | static PyTypeObject type_object_type = |
1642 | { | |
1643 | PyObject_HEAD_INIT (NULL) | |
1644 | 0, /*ob_size*/ | |
1645 | "gdb.Type", /*tp_name*/ | |
1646 | sizeof (type_object), /*tp_basicsize*/ | |
1647 | 0, /*tp_itemsize*/ | |
1648 | typy_dealloc, /*tp_dealloc*/ | |
1649 | 0, /*tp_print*/ | |
1650 | 0, /*tp_getattr*/ | |
1651 | 0, /*tp_setattr*/ | |
1652 | 0, /*tp_compare*/ | |
1653 | 0, /*tp_repr*/ | |
9cc10fd1 | 1654 | &type_object_as_number, /*tp_as_number*/ |
2c74e833 | 1655 | 0, /*tp_as_sequence*/ |
a73bb892 | 1656 | &typy_mapping, /*tp_as_mapping*/ |
2c74e833 TT |
1657 | 0, /*tp_hash */ |
1658 | 0, /*tp_call*/ | |
1659 | typy_str, /*tp_str*/ | |
1660 | 0, /*tp_getattro*/ | |
1661 | 0, /*tp_setattro*/ | |
1662 | 0, /*tp_as_buffer*/ | |
1663 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1664 | "GDB type object", /* tp_doc */ | |
1665 | 0, /* tp_traverse */ | |
1666 | 0, /* tp_clear */ | |
d839c8a4 | 1667 | typy_richcompare, /* tp_richcompare */ |
2c74e833 | 1668 | 0, /* tp_weaklistoffset */ |
a73bb892 | 1669 | typy_iter, /* tp_iter */ |
2c74e833 TT |
1670 | 0, /* tp_iternext */ |
1671 | type_object_methods, /* tp_methods */ | |
1672 | 0, /* tp_members */ | |
1673 | type_object_getset, /* tp_getset */ | |
1674 | 0, /* tp_base */ | |
1675 | 0, /* tp_dict */ | |
1676 | 0, /* tp_descr_get */ | |
1677 | 0, /* tp_descr_set */ | |
1678 | 0, /* tp_dictoffset */ | |
1679 | 0, /* tp_init */ | |
1680 | 0, /* tp_alloc */ | |
1681 | 0, /* tp_new */ | |
1682 | }; | |
1683 | ||
1684 | static PyTypeObject field_object_type = | |
1685 | { | |
1686 | PyObject_HEAD_INIT (NULL) | |
1687 | 0, /*ob_size*/ | |
1688 | "gdb.Field", /*tp_name*/ | |
1689 | sizeof (field_object), /*tp_basicsize*/ | |
1690 | 0, /*tp_itemsize*/ | |
1691 | field_dealloc, /*tp_dealloc*/ | |
1692 | 0, /*tp_print*/ | |
1693 | 0, /*tp_getattr*/ | |
1694 | 0, /*tp_setattr*/ | |
1695 | 0, /*tp_compare*/ | |
1696 | 0, /*tp_repr*/ | |
1697 | 0, /*tp_as_number*/ | |
1698 | 0, /*tp_as_sequence*/ | |
1699 | 0, /*tp_as_mapping*/ | |
1700 | 0, /*tp_hash */ | |
1701 | 0, /*tp_call*/ | |
1702 | 0, /*tp_str*/ | |
1703 | 0, /*tp_getattro*/ | |
1704 | 0, /*tp_setattro*/ | |
1705 | 0, /*tp_as_buffer*/ | |
1706 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1707 | "GDB field object", /* tp_doc */ | |
1708 | 0, /* tp_traverse */ | |
1709 | 0, /* tp_clear */ | |
1710 | 0, /* tp_richcompare */ | |
1711 | 0, /* tp_weaklistoffset */ | |
1712 | 0, /* tp_iter */ | |
1713 | 0, /* tp_iternext */ | |
1714 | 0, /* tp_methods */ | |
1715 | 0, /* tp_members */ | |
1716 | 0, /* tp_getset */ | |
1717 | 0, /* tp_base */ | |
1718 | 0, /* tp_dict */ | |
1719 | 0, /* tp_descr_get */ | |
1720 | 0, /* tp_descr_set */ | |
1721 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1722 | 0, /* tp_init */ | |
1723 | 0, /* tp_alloc */ | |
1724 | 0, /* tp_new */ | |
1725 | }; | |
a73bb892 PK |
1726 | |
1727 | static PyTypeObject type_iterator_object_type = { | |
1728 | PyObject_HEAD_INIT (NULL) | |
1729 | 0, /*ob_size*/ | |
1730 | "gdb.TypeIterator", /*tp_name*/ | |
1731 | sizeof (typy_iterator_object), /*tp_basicsize*/ | |
1732 | 0, /*tp_itemsize*/ | |
1733 | typy_iterator_dealloc, /*tp_dealloc*/ | |
1734 | 0, /*tp_print*/ | |
1735 | 0, /*tp_getattr*/ | |
1736 | 0, /*tp_setattr*/ | |
1737 | 0, /*tp_compare*/ | |
1738 | 0, /*tp_repr*/ | |
1739 | 0, /*tp_as_number*/ | |
1740 | 0, /*tp_as_sequence*/ | |
1741 | 0, /*tp_as_mapping*/ | |
1742 | 0, /*tp_hash */ | |
1743 | 0, /*tp_call*/ | |
1744 | 0, /*tp_str*/ | |
1745 | 0, /*tp_getattro*/ | |
1746 | 0, /*tp_setattro*/ | |
1747 | 0, /*tp_as_buffer*/ | |
1748 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1749 | "GDB type iterator object", /*tp_doc */ | |
1750 | 0, /*tp_traverse */ | |
1751 | 0, /*tp_clear */ | |
1752 | 0, /*tp_richcompare */ | |
1753 | 0, /*tp_weaklistoffset */ | |
1754 | typy_iterator_iter, /*tp_iter */ | |
1755 | typy_iterator_iternext, /*tp_iternext */ | |
1756 | 0 /*tp_methods */ | |
1757 | }; |