Commit | Line | Data |
---|---|---|
2c74e833 TT |
1 | /* Python interface to types. |
2 | ||
0b302171 | 3 | Copyright (C) 2008-2012 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" |
53342f27 | 33 | #include "typeprint.h" |
2c74e833 TT |
34 | |
35 | typedef struct pyty_type_object | |
36 | { | |
37 | PyObject_HEAD | |
38 | struct type *type; | |
39 | ||
40 | /* If a Type object is associated with an objfile, it is kept on a | |
41 | doubly-linked list, rooted in the objfile. This lets us copy the | |
42 | underlying struct type when the objfile is deleted. */ | |
43 | struct pyty_type_object *prev; | |
44 | struct pyty_type_object *next; | |
45 | } type_object; | |
46 | ||
47 | static PyTypeObject type_object_type; | |
48 | ||
49 | /* A Field object. */ | |
50 | typedef struct pyty_field_object | |
51 | { | |
52 | PyObject_HEAD | |
53 | ||
54 | /* Dictionary holding our attributes. */ | |
55 | PyObject *dict; | |
56 | } field_object; | |
57 | ||
58 | static PyTypeObject field_object_type; | |
59 | ||
a73bb892 PK |
60 | /* A type iterator object. */ |
61 | typedef struct { | |
62 | PyObject_HEAD | |
63 | /* The current field index. */ | |
64 | int field; | |
65 | /* What to return. */ | |
66 | enum gdbpy_iter_kind kind; | |
67 | /* Pointer back to the original source type object. */ | |
68 | struct pyty_type_object *source; | |
69 | } typy_iterator_object; | |
70 | ||
71 | static PyTypeObject type_iterator_object_type; | |
72 | ||
2c74e833 TT |
73 | /* This is used to initialize various gdb.TYPE_ constants. */ |
74 | struct pyty_code | |
75 | { | |
76 | /* The code. */ | |
77 | enum type_code code; | |
78 | /* The name. */ | |
79 | const char *name; | |
80 | }; | |
81 | ||
0dab82e9 PK |
82 | /* Forward declarations. */ |
83 | static PyObject *typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind); | |
84 | ||
2c74e833 TT |
85 | #define ENTRY(X) { X, #X } |
86 | ||
87 | static struct pyty_code pyty_codes[] = | |
88 | { | |
6b1755ce | 89 | ENTRY (TYPE_CODE_BITSTRING), |
2c74e833 TT |
90 | ENTRY (TYPE_CODE_PTR), |
91 | ENTRY (TYPE_CODE_ARRAY), | |
92 | ENTRY (TYPE_CODE_STRUCT), | |
93 | ENTRY (TYPE_CODE_UNION), | |
94 | ENTRY (TYPE_CODE_ENUM), | |
95 | ENTRY (TYPE_CODE_FLAGS), | |
96 | ENTRY (TYPE_CODE_FUNC), | |
97 | ENTRY (TYPE_CODE_INT), | |
98 | ENTRY (TYPE_CODE_FLT), | |
99 | ENTRY (TYPE_CODE_VOID), | |
100 | ENTRY (TYPE_CODE_SET), | |
101 | ENTRY (TYPE_CODE_RANGE), | |
102 | ENTRY (TYPE_CODE_STRING), | |
2c74e833 TT |
103 | ENTRY (TYPE_CODE_ERROR), |
104 | ENTRY (TYPE_CODE_METHOD), | |
105 | ENTRY (TYPE_CODE_METHODPTR), | |
106 | ENTRY (TYPE_CODE_MEMBERPTR), | |
107 | ENTRY (TYPE_CODE_REF), | |
108 | ENTRY (TYPE_CODE_CHAR), | |
109 | ENTRY (TYPE_CODE_BOOL), | |
110 | ENTRY (TYPE_CODE_COMPLEX), | |
111 | ENTRY (TYPE_CODE_TYPEDEF), | |
112 | ENTRY (TYPE_CODE_NAMESPACE), | |
113 | ENTRY (TYPE_CODE_DECFLOAT), | |
114 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
115 | { TYPE_CODE_UNDEF, NULL } | |
116 | }; | |
117 | ||
118 | \f | |
119 | ||
120 | static void | |
121 | field_dealloc (PyObject *obj) | |
122 | { | |
123 | field_object *f = (field_object *) obj; | |
d59b6f6c | 124 | |
2c74e833 TT |
125 | Py_XDECREF (f->dict); |
126 | f->ob_type->tp_free (obj); | |
127 | } | |
128 | ||
129 | static PyObject * | |
130 | field_new (void) | |
131 | { | |
132 | field_object *result = PyObject_New (field_object, &field_object_type); | |
d59b6f6c | 133 | |
2c74e833 TT |
134 | if (result) |
135 | { | |
136 | result->dict = PyDict_New (); | |
137 | if (!result->dict) | |
138 | { | |
139 | Py_DECREF (result); | |
140 | result = NULL; | |
141 | } | |
142 | } | |
143 | return (PyObject *) result; | |
144 | } | |
145 | ||
146 | \f | |
147 | ||
148 | /* Return the code for this type. */ | |
149 | static PyObject * | |
150 | typy_get_code (PyObject *self, void *closure) | |
151 | { | |
152 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 153 | |
2c74e833 TT |
154 | return PyInt_FromLong (TYPE_CODE (type)); |
155 | } | |
156 | ||
157 | /* Helper function for typy_fields which converts a single field to a | |
a73bb892 PK |
158 | gdb.Field object. Returns NULL on error. */ |
159 | ||
2c74e833 TT |
160 | static PyObject * |
161 | convert_field (struct type *type, int field) | |
162 | { | |
163 | PyObject *result = field_new (); | |
164 | PyObject *arg; | |
165 | ||
166 | if (!result) | |
167 | return NULL; | |
168 | ||
169 | if (!field_is_static (&TYPE_FIELD (type, field))) | |
170 | { | |
14e75d8e JK |
171 | const char *attrstring; |
172 | ||
173 | if (TYPE_CODE (type) == TYPE_CODE_ENUM) | |
174 | { | |
175 | arg = gdb_py_long_from_longest (TYPE_FIELD_ENUMVAL (type, field)); | |
176 | attrstring = "enumval"; | |
177 | } | |
178 | else | |
179 | { | |
200bc880 | 180 | arg = gdb_py_long_from_longest (TYPE_FIELD_BITPOS (type, field)); |
14e75d8e JK |
181 | attrstring = "bitpos"; |
182 | } | |
183 | ||
2c74e833 TT |
184 | if (!arg) |
185 | goto fail; | |
186 | ||
4fb2c64a JK |
187 | /* At least python-2.4 had the second parameter non-const. */ |
188 | if (PyObject_SetAttrString (result, (char *) attrstring, arg) < 0) | |
2c74e833 | 189 | goto failarg; |
db6573d6 | 190 | Py_DECREF (arg); |
2c74e833 TT |
191 | } |
192 | ||
193 | if (TYPE_FIELD_NAME (type, field)) | |
194 | arg = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
195 | else | |
196 | { | |
197 | arg = Py_None; | |
198 | Py_INCREF (arg); | |
199 | } | |
200 | if (!arg) | |
201 | goto fail; | |
202 | if (PyObject_SetAttrString (result, "name", arg) < 0) | |
203 | goto failarg; | |
db6573d6 | 204 | Py_DECREF (arg); |
2c74e833 TT |
205 | |
206 | arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False; | |
207 | Py_INCREF (arg); | |
208 | if (PyObject_SetAttrString (result, "artificial", arg) < 0) | |
209 | goto failarg; | |
db6573d6 | 210 | Py_DECREF (arg); |
2c74e833 | 211 | |
bfd31e71 PM |
212 | if (TYPE_CODE (type) == TYPE_CODE_CLASS) |
213 | arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False; | |
214 | else | |
215 | arg = Py_False; | |
216 | Py_INCREF (arg); | |
217 | if (PyObject_SetAttrString (result, "is_base_class", arg) < 0) | |
218 | goto failarg; | |
db6573d6 | 219 | Py_DECREF (arg); |
bfd31e71 | 220 | |
2c74e833 TT |
221 | arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field)); |
222 | if (!arg) | |
223 | goto fail; | |
224 | if (PyObject_SetAttrString (result, "bitsize", arg) < 0) | |
225 | goto failarg; | |
db6573d6 | 226 | Py_DECREF (arg); |
2c74e833 TT |
227 | |
228 | /* A field can have a NULL type in some situations. */ | |
229 | if (TYPE_FIELD_TYPE (type, field) == NULL) | |
230 | { | |
231 | arg = Py_None; | |
232 | Py_INCREF (arg); | |
233 | } | |
234 | else | |
235 | arg = type_to_type_object (TYPE_FIELD_TYPE (type, field)); | |
236 | if (!arg) | |
237 | goto fail; | |
238 | if (PyObject_SetAttrString (result, "type", arg) < 0) | |
239 | goto failarg; | |
db6573d6 | 240 | Py_DECREF (arg); |
2c74e833 TT |
241 | |
242 | return result; | |
243 | ||
244 | failarg: | |
245 | Py_DECREF (arg); | |
246 | fail: | |
247 | Py_DECREF (result); | |
248 | return NULL; | |
249 | } | |
250 | ||
a73bb892 PK |
251 | /* Helper function to return the name of a field, as a gdb.Field object. |
252 | If the field doesn't have a name, None is returned. */ | |
253 | ||
2c74e833 | 254 | static PyObject * |
a73bb892 | 255 | field_name (struct type *type, int field) |
2c74e833 TT |
256 | { |
257 | PyObject *result; | |
a73bb892 PK |
258 | |
259 | if (TYPE_FIELD_NAME (type, field)) | |
260 | result = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
261 | else | |
262 | { | |
263 | result = Py_None; | |
264 | Py_INCREF (result); | |
265 | } | |
266 | return result; | |
267 | } | |
268 | ||
269 | /* Helper function for Type standard mapping methods. Returns a | |
270 | Python object for field i of the type. "kind" specifies what to | |
271 | return: the name of the field, a gdb.Field object corresponding to | |
272 | the field, or a tuple consisting of field name and gdb.Field | |
273 | object. */ | |
274 | ||
275 | static PyObject * | |
276 | make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind) | |
277 | { | |
278 | PyObject *item = NULL, *key = NULL, *value = NULL; | |
279 | ||
280 | switch (kind) | |
281 | { | |
282 | case iter_items: | |
283 | key = field_name (type, i); | |
284 | if (key == NULL) | |
285 | goto fail; | |
286 | value = convert_field (type, i); | |
287 | if (value == NULL) | |
288 | goto fail; | |
289 | item = PyTuple_New (2); | |
290 | if (item == NULL) | |
291 | goto fail; | |
292 | PyTuple_SET_ITEM (item, 0, key); | |
293 | PyTuple_SET_ITEM (item, 1, value); | |
294 | break; | |
295 | case iter_keys: | |
296 | item = field_name (type, i); | |
297 | break; | |
298 | case iter_values: | |
299 | item = convert_field (type, i); | |
300 | break; | |
301 | } | |
302 | return item; | |
303 | ||
304 | fail: | |
305 | Py_XDECREF (key); | |
306 | Py_XDECREF (value); | |
307 | Py_XDECREF (item); | |
308 | return NULL; | |
309 | } | |
310 | ||
311 | /* Return a sequence of all field names, fields, or (name, field) pairs. | |
312 | Each field is a gdb.Field object. */ | |
313 | ||
314 | static PyObject * | |
315 | typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind) | |
316 | { | |
f6b47be4 | 317 | PyObject *py_type = self; |
0dab82e9 | 318 | PyObject *result = NULL, *iter = NULL; |
f6b47be4 DE |
319 | volatile struct gdb_exception except; |
320 | struct type *type = ((type_object *) py_type)->type; | |
321 | struct type *checked_type = type; | |
322 | ||
323 | TRY_CATCH (except, RETURN_MASK_ALL) | |
324 | { | |
325 | CHECK_TYPEDEF (checked_type); | |
326 | } | |
327 | GDB_PY_HANDLE_EXCEPTION (except); | |
328 | ||
329 | if (checked_type != type) | |
330 | py_type = type_to_type_object (checked_type); | |
331 | iter = typy_make_iter (py_type, kind); | |
332 | if (checked_type != type) | |
333 | { | |
334 | /* Need to wrap this in braces because Py_DECREF isn't wrapped | |
335 | in a do{}while(0). */ | |
336 | Py_DECREF (py_type); | |
337 | } | |
338 | if (iter != NULL) | |
339 | { | |
340 | result = PySequence_List (iter); | |
341 | Py_DECREF (iter); | |
342 | } | |
343 | ||
2c74e833 | 344 | return result; |
a73bb892 PK |
345 | } |
346 | ||
347 | /* Return a sequence of all fields. Each field is a gdb.Field object. */ | |
348 | ||
349 | static PyObject * | |
9cc10fd1 | 350 | typy_values (PyObject *self, PyObject *args) |
a73bb892 PK |
351 | { |
352 | return typy_fields_items (self, iter_values); | |
353 | } | |
354 | ||
9cc10fd1 PK |
355 | /* Return a sequence of all fields. Each field is a gdb.Field object. |
356 | This method is similar to typy_values, except where the supplied | |
357 | gdb.Type is an array, in which case it returns a list of one entry | |
358 | which is a gdb.Field object for a range (the array bounds). */ | |
359 | ||
360 | static PyObject * | |
361 | typy_fields (PyObject *self, PyObject *args) | |
362 | { | |
363 | struct type *type = ((type_object *) self)->type; | |
364 | PyObject *r, *rl; | |
365 | ||
366 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
367 | return typy_fields_items (self, iter_values); | |
368 | ||
369 | /* Array type. Handle this as a special case because the common | |
370 | machinery wants struct or union or enum types. Build a list of | |
371 | one entry which is the range for the array. */ | |
372 | r = convert_field (type, 0); | |
373 | if (r == NULL) | |
374 | return NULL; | |
375 | ||
376 | rl = Py_BuildValue ("[O]", r); | |
377 | if (rl == NULL) | |
378 | { | |
379 | Py_DECREF (r); | |
380 | } | |
381 | ||
382 | return rl; | |
383 | } | |
384 | ||
a73bb892 PK |
385 | /* Return a sequence of all field names. Each field is a gdb.Field object. */ |
386 | ||
387 | static PyObject * | |
388 | typy_field_names (PyObject *self, PyObject *args) | |
389 | { | |
390 | return typy_fields_items (self, iter_keys); | |
391 | } | |
392 | ||
393 | /* Return a sequence of all (name, fields) pairs. Each field is a | |
394 | gdb.Field object. */ | |
395 | ||
396 | static PyObject * | |
397 | typy_items (PyObject *self, PyObject *args) | |
398 | { | |
399 | return typy_fields_items (self, iter_items); | |
2c74e833 TT |
400 | } |
401 | ||
402 | /* Return the type's tag, or None. */ | |
403 | static PyObject * | |
404 | typy_get_tag (PyObject *self, void *closure) | |
405 | { | |
406 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 407 | |
2c74e833 TT |
408 | if (!TYPE_TAG_NAME (type)) |
409 | Py_RETURN_NONE; | |
410 | return PyString_FromString (TYPE_TAG_NAME (type)); | |
411 | } | |
412 | ||
413 | /* Return the type, stripped of typedefs. */ | |
414 | static PyObject * | |
415 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
416 | { | |
417 | struct type *type = ((type_object *) self)->type; | |
5d9c5995 PM |
418 | volatile struct gdb_exception except; |
419 | ||
420 | TRY_CATCH (except, RETURN_MASK_ALL) | |
421 | { | |
422 | type = check_typedef (type); | |
423 | } | |
424 | GDB_PY_HANDLE_EXCEPTION (except); | |
2c74e833 TT |
425 | |
426 | return type_to_type_object (check_typedef (type)); | |
427 | } | |
428 | ||
9cc10fd1 PK |
429 | /* Strip typedefs and pointers/reference from a type. Then check that |
430 | it is a struct, union, or enum type. If not, raise TypeError. */ | |
431 | ||
432 | static struct type * | |
433 | typy_get_composite (struct type *type) | |
434 | { | |
435 | volatile struct gdb_exception except; | |
436 | ||
437 | for (;;) | |
438 | { | |
439 | TRY_CATCH (except, RETURN_MASK_ALL) | |
440 | { | |
441 | CHECK_TYPEDEF (type); | |
442 | } | |
443 | /* Don't use GDB_PY_HANDLE_EXCEPTION here because that returns | |
444 | a (NULL) pointer of the wrong type. */ | |
445 | if (except.reason < 0) | |
446 | { | |
447 | gdbpy_convert_exception (except); | |
448 | return NULL; | |
449 | } | |
450 | ||
451 | if (TYPE_CODE (type) != TYPE_CODE_PTR | |
452 | && TYPE_CODE (type) != TYPE_CODE_REF) | |
453 | break; | |
454 | type = TYPE_TARGET_TYPE (type); | |
455 | } | |
456 | ||
457 | /* If this is not a struct, union, or enum type, raise TypeError | |
458 | exception. */ | |
459 | if (TYPE_CODE (type) != TYPE_CODE_STRUCT | |
460 | && TYPE_CODE (type) != TYPE_CODE_UNION | |
461 | && TYPE_CODE (type) != TYPE_CODE_ENUM) | |
462 | { | |
463 | PyErr_SetString (PyExc_TypeError, | |
464 | "Type is not a structure, union, or enum type."); | |
465 | return NULL; | |
466 | } | |
467 | ||
468 | return type; | |
469 | } | |
470 | ||
a72c3253 | 471 | /* Helper for typy_array and typy_vector. */ |
702c2711 TT |
472 | |
473 | static PyObject * | |
a72c3253 | 474 | typy_array_1 (PyObject *self, PyObject *args, int is_vector) |
702c2711 | 475 | { |
74aedc46 | 476 | long n1, n2; |
702c2711 TT |
477 | PyObject *n2_obj = NULL; |
478 | struct type *array = NULL; | |
479 | struct type *type = ((type_object *) self)->type; | |
480 | volatile struct gdb_exception except; | |
481 | ||
74aedc46 | 482 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
483 | return NULL; |
484 | ||
485 | if (n2_obj) | |
486 | { | |
487 | if (!PyInt_Check (n2_obj)) | |
488 | { | |
489 | PyErr_SetString (PyExc_RuntimeError, | |
490 | _("Array bound must be an integer")); | |
491 | return NULL; | |
492 | } | |
74aedc46 TT |
493 | |
494 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
495 | return NULL; |
496 | } | |
497 | else | |
498 | { | |
499 | n2 = n1; | |
500 | n1 = 0; | |
501 | } | |
502 | ||
503 | if (n2 < n1) | |
504 | { | |
505 | PyErr_SetString (PyExc_ValueError, | |
506 | _("Array length must not be negative")); | |
507 | return NULL; | |
508 | } | |
509 | ||
510 | TRY_CATCH (except, RETURN_MASK_ALL) | |
511 | { | |
512 | array = lookup_array_range_type (type, n1, n2); | |
a72c3253 DE |
513 | if (is_vector) |
514 | make_vector_type (array); | |
702c2711 TT |
515 | } |
516 | GDB_PY_HANDLE_EXCEPTION (except); | |
517 | ||
518 | return type_to_type_object (array); | |
519 | } | |
520 | ||
a72c3253 DE |
521 | /* Return an array type. */ |
522 | ||
523 | static PyObject * | |
524 | typy_array (PyObject *self, PyObject *args) | |
525 | { | |
526 | return typy_array_1 (self, args, 0); | |
527 | } | |
528 | ||
529 | /* Return a vector type. */ | |
530 | ||
531 | static PyObject * | |
532 | typy_vector (PyObject *self, PyObject *args) | |
533 | { | |
534 | return typy_array_1 (self, args, 1); | |
535 | } | |
536 | ||
2c74e833 TT |
537 | /* Return a Type object which represents a pointer to SELF. */ |
538 | static PyObject * | |
539 | typy_pointer (PyObject *self, PyObject *args) | |
540 | { | |
541 | struct type *type = ((type_object *) self)->type; | |
542 | volatile struct gdb_exception except; | |
543 | ||
544 | TRY_CATCH (except, RETURN_MASK_ALL) | |
545 | { | |
546 | type = lookup_pointer_type (type); | |
547 | } | |
548 | GDB_PY_HANDLE_EXCEPTION (except); | |
549 | ||
550 | return type_to_type_object (type); | |
551 | } | |
552 | ||
361ae042 PM |
553 | /* Return the range of a type represented by SELF. The return type is |
554 | a tuple. The first element of the tuple contains the low bound, | |
555 | while the second element of the tuple contains the high bound. */ | |
556 | static PyObject * | |
557 | typy_range (PyObject *self, PyObject *args) | |
558 | { | |
559 | struct type *type = ((type_object *) self)->type; | |
560 | PyObject *result; | |
561 | PyObject *low_bound = NULL, *high_bound = NULL; | |
8d099ae9 PM |
562 | /* Initialize these to appease GCC warnings. */ |
563 | LONGEST low = 0, high = 0; | |
361ae042 PM |
564 | |
565 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
566 | && TYPE_CODE (type) != TYPE_CODE_STRING | |
567 | && TYPE_CODE (type) != TYPE_CODE_RANGE) | |
568 | { | |
569 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 570 | _("This type does not have a range.")); |
361ae042 PM |
571 | return NULL; |
572 | } | |
573 | ||
574 | switch (TYPE_CODE (type)) | |
575 | { | |
576 | case TYPE_CODE_ARRAY: | |
577 | case TYPE_CODE_STRING: | |
578 | low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)); | |
579 | high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)); | |
580 | break; | |
581 | case TYPE_CODE_RANGE: | |
582 | low = TYPE_LOW_BOUND (type); | |
583 | high = TYPE_HIGH_BOUND (type); | |
584 | break; | |
585 | } | |
586 | ||
587 | low_bound = PyLong_FromLong (low); | |
588 | if (!low_bound) | |
589 | goto failarg; | |
590 | ||
591 | high_bound = PyLong_FromLong (high); | |
592 | if (!high_bound) | |
593 | goto failarg; | |
594 | ||
595 | result = PyTuple_New (2); | |
596 | if (!result) | |
597 | goto failarg; | |
598 | ||
599 | if (PyTuple_SetItem (result, 0, low_bound) != 0) | |
600 | { | |
601 | Py_DECREF (result); | |
602 | goto failarg; | |
603 | } | |
604 | if (PyTuple_SetItem (result, 1, high_bound) != 0) | |
605 | { | |
606 | Py_DECREF (high_bound); | |
607 | Py_DECREF (result); | |
608 | return NULL; | |
609 | } | |
610 | return result; | |
611 | ||
612 | failarg: | |
613 | Py_XDECREF (high_bound); | |
614 | Py_XDECREF (low_bound); | |
615 | return NULL; | |
616 | } | |
617 | ||
2c74e833 TT |
618 | /* Return a Type object which represents a reference to SELF. */ |
619 | static PyObject * | |
620 | typy_reference (PyObject *self, PyObject *args) | |
621 | { | |
622 | struct type *type = ((type_object *) self)->type; | |
623 | volatile struct gdb_exception except; | |
624 | ||
625 | TRY_CATCH (except, RETURN_MASK_ALL) | |
626 | { | |
627 | type = lookup_reference_type (type); | |
628 | } | |
629 | GDB_PY_HANDLE_EXCEPTION (except); | |
630 | ||
631 | return type_to_type_object (type); | |
632 | } | |
633 | ||
634 | /* Return a Type object which represents the target type of SELF. */ | |
635 | static PyObject * | |
636 | typy_target (PyObject *self, PyObject *args) | |
637 | { | |
638 | struct type *type = ((type_object *) self)->type; | |
639 | ||
640 | if (!TYPE_TARGET_TYPE (type)) | |
641 | { | |
044c0f87 PM |
642 | PyErr_SetString (PyExc_RuntimeError, |
643 | _("Type does not have a target.")); | |
2c74e833 TT |
644 | return NULL; |
645 | } | |
646 | ||
647 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
648 | } | |
649 | ||
650 | /* Return a const-qualified type variant. */ | |
651 | static PyObject * | |
652 | typy_const (PyObject *self, PyObject *args) | |
653 | { | |
654 | struct type *type = ((type_object *) self)->type; | |
655 | volatile struct gdb_exception except; | |
656 | ||
657 | TRY_CATCH (except, RETURN_MASK_ALL) | |
658 | { | |
659 | type = make_cv_type (1, 0, type, NULL); | |
660 | } | |
661 | GDB_PY_HANDLE_EXCEPTION (except); | |
662 | ||
663 | return type_to_type_object (type); | |
664 | } | |
665 | ||
666 | /* Return a volatile-qualified type variant. */ | |
667 | static PyObject * | |
668 | typy_volatile (PyObject *self, PyObject *args) | |
669 | { | |
670 | struct type *type = ((type_object *) self)->type; | |
671 | volatile struct gdb_exception except; | |
672 | ||
673 | TRY_CATCH (except, RETURN_MASK_ALL) | |
674 | { | |
675 | type = make_cv_type (0, 1, type, NULL); | |
676 | } | |
677 | GDB_PY_HANDLE_EXCEPTION (except); | |
678 | ||
679 | return type_to_type_object (type); | |
680 | } | |
681 | ||
682 | /* Return an unqualified type variant. */ | |
683 | static PyObject * | |
684 | typy_unqualified (PyObject *self, PyObject *args) | |
685 | { | |
686 | struct type *type = ((type_object *) self)->type; | |
687 | volatile struct gdb_exception except; | |
688 | ||
689 | TRY_CATCH (except, RETURN_MASK_ALL) | |
690 | { | |
691 | type = make_cv_type (0, 0, type, NULL); | |
692 | } | |
693 | GDB_PY_HANDLE_EXCEPTION (except); | |
694 | ||
695 | return type_to_type_object (type); | |
696 | } | |
697 | ||
698 | /* Return the size of the type represented by SELF, in bytes. */ | |
699 | static PyObject * | |
700 | typy_get_sizeof (PyObject *self, void *closure) | |
701 | { | |
702 | struct type *type = ((type_object *) self)->type; | |
703 | volatile struct gdb_exception except; | |
704 | ||
705 | TRY_CATCH (except, RETURN_MASK_ALL) | |
706 | { | |
707 | check_typedef (type); | |
708 | } | |
709 | /* Ignore exceptions. */ | |
710 | ||
200bc880 | 711 | return gdb_py_long_from_longest (TYPE_LENGTH (type)); |
2c74e833 TT |
712 | } |
713 | ||
714 | static struct type * | |
9df2fbc4 | 715 | typy_lookup_typename (const char *type_name, const struct block *block) |
2c74e833 TT |
716 | { |
717 | struct type *type = NULL; | |
718 | volatile struct gdb_exception except; | |
d59b6f6c | 719 | |
2c74e833 TT |
720 | TRY_CATCH (except, RETURN_MASK_ALL) |
721 | { | |
722 | if (!strncmp (type_name, "struct ", 7)) | |
723 | type = lookup_struct (type_name + 7, NULL); | |
724 | else if (!strncmp (type_name, "union ", 6)) | |
725 | type = lookup_union (type_name + 6, NULL); | |
726 | else if (!strncmp (type_name, "enum ", 5)) | |
727 | type = lookup_enum (type_name + 5, NULL); | |
728 | else | |
d452c4bc | 729 | type = lookup_typename (python_language, python_gdbarch, |
5107b149 | 730 | type_name, block, 0); |
2c74e833 TT |
731 | } |
732 | if (except.reason < 0) | |
733 | { | |
76dce0be | 734 | gdbpy_convert_exception (except); |
2c74e833 TT |
735 | return NULL; |
736 | } | |
737 | ||
738 | return type; | |
739 | } | |
740 | ||
741 | static struct type * | |
5107b149 | 742 | typy_lookup_type (struct demangle_component *demangled, |
9df2fbc4 | 743 | const struct block *block) |
2c74e833 | 744 | { |
cd829959 | 745 | struct type *type, *rtype = NULL; |
76dce0be | 746 | char *type_name = NULL; |
2c74e833 | 747 | enum demangle_component_type demangled_type; |
76dce0be | 748 | volatile struct gdb_exception except; |
2c74e833 TT |
749 | |
750 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
751 | memory pointed by demangled. */ | |
752 | demangled_type = demangled->type; | |
753 | ||
754 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
755 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
756 | || demangled_type == DEMANGLE_COMPONENT_CONST | |
757 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
758 | { | |
5107b149 | 759 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
760 | if (! type) |
761 | return NULL; | |
762 | ||
76dce0be PM |
763 | TRY_CATCH (except, RETURN_MASK_ALL) |
764 | { | |
cd829959 PM |
765 | /* If the demangled_type matches with one of the types |
766 | below, run the corresponding function and save the type | |
767 | to return later. We cannot just return here as we are in | |
768 | an exception handler. */ | |
76dce0be PM |
769 | switch (demangled_type) |
770 | { | |
771 | case DEMANGLE_COMPONENT_REFERENCE: | |
cd829959 PM |
772 | rtype = lookup_reference_type (type); |
773 | break; | |
76dce0be | 774 | case DEMANGLE_COMPONENT_POINTER: |
cd829959 PM |
775 | rtype = lookup_pointer_type (type); |
776 | break; | |
76dce0be | 777 | case DEMANGLE_COMPONENT_CONST: |
cd829959 PM |
778 | rtype = make_cv_type (1, 0, type, NULL); |
779 | break; | |
76dce0be | 780 | case DEMANGLE_COMPONENT_VOLATILE: |
cd829959 PM |
781 | rtype = make_cv_type (0, 1, type, NULL); |
782 | break; | |
76dce0be | 783 | } |
76dce0be PM |
784 | } |
785 | if (except.reason < 0) | |
2c74e833 | 786 | { |
76dce0be PM |
787 | gdbpy_convert_exception (except); |
788 | return NULL; | |
2c74e833 TT |
789 | } |
790 | } | |
cd829959 PM |
791 | |
792 | /* If we have a type from the switch statement above, just return | |
793 | that. */ | |
794 | if (rtype) | |
795 | return rtype; | |
796 | ||
797 | /* We don't have a type, so lookup the type. */ | |
798 | type_name = cp_comp_to_string (demangled, 10); | |
5107b149 | 799 | type = typy_lookup_typename (type_name, block); |
2c74e833 TT |
800 | xfree (type_name); |
801 | ||
802 | return type; | |
803 | } | |
804 | ||
326fd672 TT |
805 | /* This is a helper function for typy_template_argument that is used |
806 | when the type does not have template symbols attached. It works by | |
807 | parsing the type name. This happens with compilers, like older | |
808 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
809 | ||
2c74e833 | 810 | static PyObject * |
9df2fbc4 | 811 | typy_legacy_template_argument (struct type *type, const struct block *block, |
326fd672 | 812 | int argno) |
2c74e833 | 813 | { |
326fd672 | 814 | int i; |
2c74e833 | 815 | struct demangle_component *demangled; |
5d9c5995 | 816 | struct demangle_parse_info *info = NULL; |
2c74e833 TT |
817 | const char *err; |
818 | struct type *argtype; | |
3a93a0c2 | 819 | struct cleanup *cleanup; |
5d9c5995 | 820 | volatile struct gdb_exception except; |
2c74e833 TT |
821 | |
822 | if (TYPE_NAME (type) == NULL) | |
823 | { | |
5107b149 | 824 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
825 | return NULL; |
826 | } | |
827 | ||
5d9c5995 PM |
828 | TRY_CATCH (except, RETURN_MASK_ALL) |
829 | { | |
830 | /* Note -- this is not thread-safe. */ | |
831 | info = cp_demangled_name_to_comp (TYPE_NAME (type), &err); | |
832 | } | |
833 | GDB_PY_HANDLE_EXCEPTION (except); | |
834 | ||
3a93a0c2 | 835 | if (! info) |
2c74e833 TT |
836 | { |
837 | PyErr_SetString (PyExc_RuntimeError, err); | |
838 | return NULL; | |
839 | } | |
3a93a0c2 KS |
840 | demangled = info->tree; |
841 | cleanup = make_cleanup_cp_demangled_name_parse_free (info); | |
2c74e833 TT |
842 | |
843 | /* Strip off component names. */ | |
844 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
845 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
846 | demangled = demangled->u.s_binary.right; | |
847 | ||
848 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
849 | { | |
3a93a0c2 | 850 | do_cleanups (cleanup); |
5107b149 | 851 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
852 | return NULL; |
853 | } | |
854 | ||
855 | /* Skip from the template to the arguments. */ | |
856 | demangled = demangled->u.s_binary.right; | |
857 | ||
858 | for (i = 0; demangled && i < argno; ++i) | |
859 | demangled = demangled->u.s_binary.right; | |
860 | ||
861 | if (! demangled) | |
862 | { | |
3a93a0c2 | 863 | do_cleanups (cleanup); |
5107b149 | 864 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
865 | argno); |
866 | return NULL; | |
867 | } | |
868 | ||
5107b149 | 869 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
3a93a0c2 | 870 | do_cleanups (cleanup); |
2c74e833 TT |
871 | if (! argtype) |
872 | return NULL; | |
873 | ||
874 | return type_to_type_object (argtype); | |
326fd672 TT |
875 | } |
876 | ||
877 | static PyObject * | |
878 | typy_template_argument (PyObject *self, PyObject *args) | |
879 | { | |
880 | int argno; | |
881 | struct type *type = ((type_object *) self)->type; | |
9df2fbc4 | 882 | const struct block *block = NULL; |
326fd672 TT |
883 | PyObject *block_obj = NULL; |
884 | struct symbol *sym; | |
885 | struct value *val = NULL; | |
886 | volatile struct gdb_exception except; | |
887 | ||
888 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
889 | return NULL; | |
890 | ||
891 | if (block_obj) | |
892 | { | |
893 | block = block_object_to_block (block_obj); | |
894 | if (! block) | |
895 | { | |
896 | PyErr_SetString (PyExc_RuntimeError, | |
897 | _("Second argument must be block.")); | |
898 | return NULL; | |
899 | } | |
900 | } | |
901 | ||
05d0e1e7 TT |
902 | TRY_CATCH (except, RETURN_MASK_ALL) |
903 | { | |
904 | type = check_typedef (type); | |
905 | if (TYPE_CODE (type) == TYPE_CODE_REF) | |
906 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
907 | } | |
908 | GDB_PY_HANDLE_EXCEPTION (except); | |
326fd672 TT |
909 | |
910 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
911 | name. This is inefficient if we do not have a template type -- | |
912 | but that is going to wind up as an error anyhow. */ | |
913 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
914 | return typy_legacy_template_argument (type, block, argno); | |
915 | ||
916 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
917 | { | |
918 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
919 | argno); | |
920 | return NULL; | |
921 | } | |
922 | ||
923 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
924 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
925 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
926 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
927 | { | |
928 | PyErr_Format (PyExc_RuntimeError, | |
929 | _("Template argument is optimized out")); | |
930 | return NULL; | |
931 | } | |
932 | ||
933 | TRY_CATCH (except, RETURN_MASK_ALL) | |
934 | { | |
935 | val = value_of_variable (sym, block); | |
936 | } | |
937 | GDB_PY_HANDLE_EXCEPTION (except); | |
938 | ||
939 | return value_to_value_object (val); | |
2c74e833 TT |
940 | } |
941 | ||
942 | static PyObject * | |
943 | typy_str (PyObject *self) | |
944 | { | |
945 | volatile struct gdb_exception except; | |
946 | char *thetype = NULL; | |
759ef836 | 947 | long length = 0; |
2c74e833 TT |
948 | PyObject *result; |
949 | ||
950 | TRY_CATCH (except, RETURN_MASK_ALL) | |
951 | { | |
952 | struct cleanup *old_chain; | |
953 | struct ui_file *stb; | |
2c74e833 TT |
954 | |
955 | stb = mem_fileopen (); | |
956 | old_chain = make_cleanup_ui_file_delete (stb); | |
957 | ||
53342f27 TT |
958 | LA_PRINT_TYPE (type_object_to_type (self), "", stb, -1, 0, |
959 | &type_print_raw_options); | |
2c74e833 TT |
960 | |
961 | thetype = ui_file_xstrdup (stb, &length); | |
962 | do_cleanups (old_chain); | |
963 | } | |
964 | if (except.reason < 0) | |
965 | { | |
966 | xfree (thetype); | |
967 | GDB_PY_HANDLE_EXCEPTION (except); | |
968 | } | |
969 | ||
759ef836 | 970 | result = PyUnicode_Decode (thetype, length, host_charset (), NULL); |
2c74e833 TT |
971 | xfree (thetype); |
972 | ||
973 | return result; | |
974 | } | |
975 | ||
d839c8a4 TT |
976 | /* An entry in the type-equality bcache. */ |
977 | ||
978 | typedef struct type_equality_entry | |
979 | { | |
980 | struct type *type1, *type2; | |
981 | } type_equality_entry_d; | |
982 | ||
983 | DEF_VEC_O (type_equality_entry_d); | |
984 | ||
985 | /* A helper function to compare two strings. Returns 1 if they are | |
986 | the same, 0 otherwise. Handles NULLs properly. */ | |
987 | ||
988 | static int | |
f8eba3c6 | 989 | compare_maybe_null_strings (const char *s, const char *t) |
d839c8a4 TT |
990 | { |
991 | if (s == NULL && t != NULL) | |
992 | return 0; | |
993 | else if (s != NULL && t == NULL) | |
994 | return 0; | |
995 | else if (s == NULL && t== NULL) | |
996 | return 1; | |
997 | return strcmp (s, t) == 0; | |
998 | } | |
999 | ||
1000 | /* A helper function for typy_richcompare that checks two types for | |
1001 | "deep" equality. Returns Py_EQ if the types are considered the | |
1002 | same, Py_NE otherwise. */ | |
1003 | ||
1004 | static int | |
1005 | check_types_equal (struct type *type1, struct type *type2, | |
1006 | VEC (type_equality_entry_d) **worklist) | |
1007 | { | |
1008 | CHECK_TYPEDEF (type1); | |
1009 | CHECK_TYPEDEF (type2); | |
1010 | ||
1011 | if (type1 == type2) | |
1012 | return Py_EQ; | |
1013 | ||
1014 | if (TYPE_CODE (type1) != TYPE_CODE (type2) | |
1015 | || TYPE_LENGTH (type1) != TYPE_LENGTH (type2) | |
1016 | || TYPE_UNSIGNED (type1) != TYPE_UNSIGNED (type2) | |
1017 | || TYPE_NOSIGN (type1) != TYPE_NOSIGN (type2) | |
1018 | || TYPE_VARARGS (type1) != TYPE_VARARGS (type2) | |
1019 | || TYPE_VECTOR (type1) != TYPE_VECTOR (type2) | |
1020 | || TYPE_NOTTEXT (type1) != TYPE_NOTTEXT (type2) | |
1021 | || TYPE_INSTANCE_FLAGS (type1) != TYPE_INSTANCE_FLAGS (type2) | |
1022 | || TYPE_NFIELDS (type1) != TYPE_NFIELDS (type2)) | |
1023 | return Py_NE; | |
1024 | ||
f8eba3c6 TT |
1025 | if (!compare_maybe_null_strings (TYPE_TAG_NAME (type1), |
1026 | TYPE_TAG_NAME (type2))) | |
d839c8a4 | 1027 | return Py_NE; |
f8eba3c6 | 1028 | if (!compare_maybe_null_strings (TYPE_NAME (type1), TYPE_NAME (type2))) |
d839c8a4 TT |
1029 | return Py_NE; |
1030 | ||
1031 | if (TYPE_CODE (type1) == TYPE_CODE_RANGE) | |
1032 | { | |
1033 | if (memcmp (TYPE_RANGE_DATA (type1), TYPE_RANGE_DATA (type2), | |
1034 | sizeof (*TYPE_RANGE_DATA (type1))) != 0) | |
1035 | return Py_NE; | |
1036 | } | |
1037 | else | |
1038 | { | |
1039 | int i; | |
1040 | ||
1041 | for (i = 0; i < TYPE_NFIELDS (type1); ++i) | |
1042 | { | |
1043 | const struct field *field1 = &TYPE_FIELD (type1, i); | |
1044 | const struct field *field2 = &TYPE_FIELD (type2, i); | |
1045 | struct type_equality_entry entry; | |
1046 | ||
1047 | if (FIELD_ARTIFICIAL (*field1) != FIELD_ARTIFICIAL (*field2) | |
1048 | || FIELD_BITSIZE (*field1) != FIELD_BITSIZE (*field2) | |
1049 | || FIELD_LOC_KIND (*field1) != FIELD_LOC_KIND (*field2)) | |
1050 | return Py_NE; | |
f8eba3c6 TT |
1051 | if (!compare_maybe_null_strings (FIELD_NAME (*field1), |
1052 | FIELD_NAME (*field2))) | |
d839c8a4 TT |
1053 | return Py_NE; |
1054 | switch (FIELD_LOC_KIND (*field1)) | |
1055 | { | |
1056 | case FIELD_LOC_KIND_BITPOS: | |
1057 | if (FIELD_BITPOS (*field1) != FIELD_BITPOS (*field2)) | |
1058 | return Py_NE; | |
1059 | break; | |
14e75d8e JK |
1060 | case FIELD_LOC_KIND_ENUMVAL: |
1061 | if (FIELD_ENUMVAL (*field1) != FIELD_ENUMVAL (*field2)) | |
1062 | return Py_NE; | |
1063 | break; | |
d839c8a4 TT |
1064 | case FIELD_LOC_KIND_PHYSADDR: |
1065 | if (FIELD_STATIC_PHYSADDR (*field1) | |
1066 | != FIELD_STATIC_PHYSADDR (*field2)) | |
1067 | return Py_NE; | |
1068 | break; | |
1069 | case FIELD_LOC_KIND_PHYSNAME: | |
f8eba3c6 TT |
1070 | if (!compare_maybe_null_strings (FIELD_STATIC_PHYSNAME (*field1), |
1071 | FIELD_STATIC_PHYSNAME (*field2))) | |
d839c8a4 TT |
1072 | return Py_NE; |
1073 | break; | |
8e3b41a9 JK |
1074 | case FIELD_LOC_KIND_DWARF_BLOCK: |
1075 | { | |
1076 | struct dwarf2_locexpr_baton *block1, *block2; | |
1077 | ||
1078 | block1 = FIELD_DWARF_BLOCK (*field1); | |
1079 | block2 = FIELD_DWARF_BLOCK (*field2); | |
1080 | if (block1->per_cu != block2->per_cu | |
1081 | || block1->size != block2->size | |
1082 | || memcmp (block1->data, block2->data, block1->size) != 0) | |
1083 | return Py_NE; | |
1084 | } | |
1085 | break; | |
1086 | default: | |
1087 | internal_error (__FILE__, __LINE__, _("Unsupported field kind " | |
1088 | "%d by check_types_equal"), | |
1089 | FIELD_LOC_KIND (*field1)); | |
d839c8a4 TT |
1090 | } |
1091 | ||
1092 | entry.type1 = FIELD_TYPE (*field1); | |
1093 | entry.type2 = FIELD_TYPE (*field2); | |
1094 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
1095 | } | |
1096 | } | |
1097 | ||
1098 | if (TYPE_TARGET_TYPE (type1) != NULL) | |
1099 | { | |
1100 | struct type_equality_entry entry; | |
d839c8a4 TT |
1101 | |
1102 | if (TYPE_TARGET_TYPE (type2) == NULL) | |
1103 | return Py_NE; | |
1104 | ||
1105 | entry.type1 = TYPE_TARGET_TYPE (type1); | |
1106 | entry.type2 = TYPE_TARGET_TYPE (type2); | |
1107 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
1108 | } | |
1109 | else if (TYPE_TARGET_TYPE (type2) != NULL) | |
1110 | return Py_NE; | |
1111 | ||
1112 | return Py_EQ; | |
1113 | } | |
1114 | ||
1115 | /* Check types on a worklist for equality. Returns Py_NE if any pair | |
1116 | is not equal, Py_EQ if they are all considered equal. */ | |
1117 | ||
1118 | static int | |
1119 | check_types_worklist (VEC (type_equality_entry_d) **worklist, | |
1120 | struct bcache *cache) | |
1121 | { | |
1122 | while (!VEC_empty (type_equality_entry_d, *worklist)) | |
1123 | { | |
1124 | struct type_equality_entry entry; | |
1125 | int added; | |
1126 | ||
1127 | entry = *VEC_last (type_equality_entry_d, *worklist); | |
1128 | VEC_pop (type_equality_entry_d, *worklist); | |
1129 | ||
1130 | /* If the type pair has already been visited, we know it is | |
1131 | ok. */ | |
1132 | bcache_full (&entry, sizeof (entry), cache, &added); | |
1133 | if (!added) | |
1134 | continue; | |
1135 | ||
1136 | if (check_types_equal (entry.type1, entry.type2, worklist) == Py_NE) | |
1137 | return Py_NE; | |
1138 | } | |
1139 | ||
1140 | return Py_EQ; | |
1141 | } | |
1142 | ||
1143 | /* Implement the richcompare method. */ | |
1144 | ||
1145 | static PyObject * | |
1146 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
1147 | { | |
1148 | int result = Py_NE; | |
1149 | struct type *type1 = type_object_to_type (self); | |
1150 | struct type *type2 = type_object_to_type (other); | |
1151 | volatile struct gdb_exception except; | |
1152 | ||
1153 | /* We can only compare ourselves to another Type object, and only | |
1154 | for equality or inequality. */ | |
1155 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
1156 | { | |
1157 | Py_INCREF (Py_NotImplemented); | |
1158 | return Py_NotImplemented; | |
1159 | } | |
1160 | ||
1161 | if (type1 == type2) | |
1162 | result = Py_EQ; | |
1163 | else | |
1164 | { | |
1165 | struct bcache *cache; | |
e8fd65ef | 1166 | VEC (type_equality_entry_d) *worklist = NULL; |
d839c8a4 TT |
1167 | struct type_equality_entry entry; |
1168 | ||
cbd70537 | 1169 | cache = bcache_xmalloc (NULL, NULL); |
d839c8a4 TT |
1170 | |
1171 | entry.type1 = type1; | |
1172 | entry.type2 = type2; | |
1173 | VEC_safe_push (type_equality_entry_d, worklist, &entry); | |
1174 | ||
1175 | TRY_CATCH (except, RETURN_MASK_ALL) | |
1176 | { | |
1177 | result = check_types_worklist (&worklist, cache); | |
1178 | } | |
76dce0be PM |
1179 | /* check_types_worklist calls several nested Python helper |
1180 | functions, some of which can raise a GDB Exception, so we | |
1181 | just check and convert here. If there is a GDB exception, a | |
1182 | comparison is not capable (or trusted), so exit. */ | |
d839c8a4 TT |
1183 | bcache_xfree (cache); |
1184 | VEC_free (type_equality_entry_d, worklist); | |
76dce0be | 1185 | GDB_PY_HANDLE_EXCEPTION (except); |
d839c8a4 TT |
1186 | } |
1187 | ||
1188 | if (op == result) | |
1189 | Py_RETURN_TRUE; | |
1190 | Py_RETURN_FALSE; | |
1191 | } | |
1192 | ||
2c74e833 TT |
1193 | \f |
1194 | ||
1195 | static const struct objfile_data *typy_objfile_data_key; | |
1196 | ||
1197 | static void | |
c1bd65d0 | 1198 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 TT |
1199 | { |
1200 | type_object *obj = datum; | |
1201 | htab_t copied_types; | |
1202 | struct cleanup *cleanup; | |
2c74e833 TT |
1203 | |
1204 | /* This prevents another thread from freeing the objects we're | |
1205 | operating on. */ | |
d452c4bc | 1206 | cleanup = ensure_python_env (get_objfile_arch (objfile), current_language); |
2c74e833 TT |
1207 | |
1208 | copied_types = create_copied_types_hash (objfile); | |
1209 | ||
1210 | while (obj) | |
1211 | { | |
1212 | type_object *next = obj->next; | |
1213 | ||
1214 | htab_empty (copied_types); | |
1215 | ||
1216 | obj->type = copy_type_recursive (objfile, obj->type, copied_types); | |
1217 | ||
1218 | obj->next = NULL; | |
1219 | obj->prev = NULL; | |
1220 | ||
1221 | obj = next; | |
1222 | } | |
1223 | ||
1224 | htab_delete (copied_types); | |
1225 | ||
1226 | do_cleanups (cleanup); | |
1227 | } | |
1228 | ||
1229 | static void | |
1230 | set_type (type_object *obj, struct type *type) | |
1231 | { | |
1232 | obj->type = type; | |
1233 | obj->prev = NULL; | |
1234 | if (type && TYPE_OBJFILE (type)) | |
1235 | { | |
1236 | struct objfile *objfile = TYPE_OBJFILE (type); | |
1237 | ||
1238 | obj->next = objfile_data (objfile, typy_objfile_data_key); | |
1239 | if (obj->next) | |
1240 | obj->next->prev = obj; | |
1241 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
1242 | } | |
1243 | else | |
1244 | obj->next = NULL; | |
1245 | } | |
1246 | ||
1247 | static void | |
1248 | typy_dealloc (PyObject *obj) | |
1249 | { | |
1250 | type_object *type = (type_object *) obj; | |
1251 | ||
1252 | if (type->prev) | |
1253 | type->prev->next = type->next; | |
1254 | else if (type->type && TYPE_OBJFILE (type->type)) | |
1255 | { | |
1256 | /* Must reset head of list. */ | |
1257 | struct objfile *objfile = TYPE_OBJFILE (type->type); | |
d59b6f6c | 1258 | |
2c74e833 TT |
1259 | if (objfile) |
1260 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
1261 | } | |
1262 | if (type->next) | |
1263 | type->next->prev = type->prev; | |
1264 | ||
1265 | type->ob_type->tp_free (type); | |
1266 | } | |
1267 | ||
a73bb892 PK |
1268 | /* Return number of fields ("length" of the field dictionary). */ |
1269 | ||
1270 | static Py_ssize_t | |
1271 | typy_length (PyObject *self) | |
1272 | { | |
1273 | struct type *type = ((type_object *) self)->type; | |
1274 | ||
9cc10fd1 PK |
1275 | type = typy_get_composite (type); |
1276 | if (type == NULL) | |
1277 | return -1; | |
1278 | ||
a73bb892 PK |
1279 | return TYPE_NFIELDS (type); |
1280 | } | |
1281 | ||
9cc10fd1 PK |
1282 | /* Implements boolean evaluation of gdb.Type. Handle this like other |
1283 | Python objects that don't have a meaningful truth value -- all | |
1284 | values are true. */ | |
1285 | ||
1286 | static int | |
1287 | typy_nonzero (PyObject *self) | |
1288 | { | |
1289 | return 1; | |
1290 | } | |
1291 | ||
a73bb892 PK |
1292 | /* Return a gdb.Field object for the field named by the argument. */ |
1293 | ||
1294 | static PyObject * | |
1295 | typy_getitem (PyObject *self, PyObject *key) | |
1296 | { | |
1297 | struct type *type = ((type_object *) self)->type; | |
1298 | char *field; | |
1299 | int i; | |
76dce0be | 1300 | |
a73bb892 PK |
1301 | field = python_string_to_host_string (key); |
1302 | if (field == NULL) | |
1303 | return NULL; | |
1304 | ||
1305 | /* We want just fields of this type, not of base types, so instead of | |
1306 | using lookup_struct_elt_type, portions of that function are | |
1307 | copied here. */ | |
1308 | ||
9cc10fd1 PK |
1309 | type = typy_get_composite (type); |
1310 | if (type == NULL) | |
1311 | return NULL; | |
1312 | ||
a73bb892 PK |
1313 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
1314 | { | |
0d5cff50 | 1315 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 PK |
1316 | |
1317 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1318 | { | |
1319 | return convert_field (type, i); | |
1320 | } | |
1321 | } | |
1322 | PyErr_SetObject (PyExc_KeyError, key); | |
1323 | return NULL; | |
1324 | } | |
1325 | ||
1326 | /* Implement the "get" method on the type object. This is the | |
1327 | same as getitem if the key is present, but returns the supplied | |
1328 | default value or None if the key is not found. */ | |
1329 | ||
1330 | static PyObject * | |
1331 | typy_get (PyObject *self, PyObject *args) | |
1332 | { | |
1333 | PyObject *key, *defval = Py_None, *result; | |
1334 | ||
1335 | if (!PyArg_UnpackTuple (args, "get", 1, 2, &key, &defval)) | |
1336 | return NULL; | |
1337 | ||
1338 | result = typy_getitem (self, key); | |
1339 | if (result != NULL) | |
1340 | return result; | |
1341 | ||
1342 | /* typy_getitem returned error status. If the exception is | |
1343 | KeyError, clear the exception status and return the defval | |
1344 | instead. Otherwise return the exception unchanged. */ | |
1345 | if (!PyErr_ExceptionMatches (PyExc_KeyError)) | |
1346 | return NULL; | |
1347 | ||
1348 | PyErr_Clear (); | |
1349 | Py_INCREF (defval); | |
1350 | return defval; | |
1351 | } | |
1352 | ||
1353 | /* Implement the "has_key" method on the type object. */ | |
1354 | ||
1355 | static PyObject * | |
1356 | typy_has_key (PyObject *self, PyObject *args) | |
1357 | { | |
1358 | struct type *type = ((type_object *) self)->type; | |
2ff6b080 | 1359 | const char *field; |
a73bb892 | 1360 | int i; |
76dce0be | 1361 | |
a73bb892 PK |
1362 | if (!PyArg_ParseTuple (args, "s", &field)) |
1363 | return NULL; | |
1364 | ||
1365 | /* We want just fields of this type, not of base types, so instead of | |
1366 | using lookup_struct_elt_type, portions of that function are | |
1367 | copied here. */ | |
1368 | ||
9cc10fd1 PK |
1369 | type = typy_get_composite (type); |
1370 | if (type == NULL) | |
1371 | return NULL; | |
a73bb892 PK |
1372 | |
1373 | for (i = 0; i < TYPE_NFIELDS (type); i++) | |
1374 | { | |
0d5cff50 | 1375 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 PK |
1376 | |
1377 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1378 | Py_RETURN_TRUE; | |
1379 | } | |
1380 | Py_RETURN_FALSE; | |
1381 | } | |
1382 | ||
1383 | /* Make an iterator object to iterate over keys, values, or items. */ | |
1384 | ||
1385 | static PyObject * | |
1386 | typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind) | |
1387 | { | |
1388 | typy_iterator_object *typy_iter_obj; | |
1389 | ||
9cc10fd1 PK |
1390 | /* Check that "self" is a structure or union type. */ |
1391 | if (typy_get_composite (((type_object *) self)->type) == NULL) | |
1392 | return NULL; | |
1393 | ||
a73bb892 PK |
1394 | typy_iter_obj = PyObject_New (typy_iterator_object, |
1395 | &type_iterator_object_type); | |
1396 | if (typy_iter_obj == NULL) | |
1397 | return NULL; | |
1398 | ||
1399 | typy_iter_obj->field = 0; | |
1400 | typy_iter_obj->kind = kind; | |
1401 | Py_INCREF (self); | |
1402 | typy_iter_obj->source = (type_object *) self; | |
1403 | ||
1404 | return (PyObject *) typy_iter_obj; | |
1405 | } | |
1406 | ||
1407 | /* iteritems() method. */ | |
1408 | ||
1409 | static PyObject * | |
1410 | typy_iteritems (PyObject *self, PyObject *args) | |
1411 | { | |
1412 | return typy_make_iter (self, iter_items); | |
1413 | } | |
1414 | ||
1415 | /* iterkeys() method. */ | |
1416 | ||
1417 | static PyObject * | |
1418 | typy_iterkeys (PyObject *self, PyObject *args) | |
1419 | { | |
1420 | return typy_make_iter (self, iter_keys); | |
1421 | } | |
1422 | ||
1423 | /* Iterating over the class, same as iterkeys except for the function | |
1424 | signature. */ | |
1425 | ||
1426 | static PyObject * | |
1427 | typy_iter (PyObject *self) | |
1428 | { | |
1429 | return typy_make_iter (self, iter_keys); | |
1430 | } | |
1431 | ||
1432 | /* itervalues() method. */ | |
1433 | ||
1434 | static PyObject * | |
1435 | typy_itervalues (PyObject *self, PyObject *args) | |
1436 | { | |
1437 | return typy_make_iter (self, iter_values); | |
1438 | } | |
1439 | ||
1440 | /* Return a reference to the type iterator. */ | |
1441 | ||
1442 | static PyObject * | |
1443 | typy_iterator_iter (PyObject *self) | |
1444 | { | |
1445 | Py_INCREF (self); | |
1446 | return self; | |
1447 | } | |
1448 | ||
1449 | /* Return the next field in the iteration through the list of fields | |
1450 | of the type. */ | |
1451 | ||
1452 | static PyObject * | |
1453 | typy_iterator_iternext (PyObject *self) | |
1454 | { | |
1455 | typy_iterator_object *iter_obj = (typy_iterator_object *) self; | |
1456 | struct type *type = iter_obj->source->type; | |
a73bb892 PK |
1457 | PyObject *result; |
1458 | ||
1459 | if (iter_obj->field < TYPE_NFIELDS (type)) | |
1460 | { | |
1461 | result = make_fielditem (type, iter_obj->field, iter_obj->kind); | |
1462 | if (result != NULL) | |
1463 | iter_obj->field++; | |
1464 | return result; | |
1465 | } | |
1466 | ||
1467 | return NULL; | |
1468 | } | |
1469 | ||
1470 | static void | |
1471 | typy_iterator_dealloc (PyObject *obj) | |
1472 | { | |
1473 | typy_iterator_object *iter_obj = (typy_iterator_object *) obj; | |
1474 | ||
1475 | Py_DECREF (iter_obj->source); | |
1476 | } | |
1477 | ||
2c74e833 TT |
1478 | /* Create a new Type referring to TYPE. */ |
1479 | PyObject * | |
1480 | type_to_type_object (struct type *type) | |
1481 | { | |
1482 | type_object *type_obj; | |
1483 | ||
1484 | type_obj = PyObject_New (type_object, &type_object_type); | |
1485 | if (type_obj) | |
1486 | set_type (type_obj, type); | |
1487 | ||
1488 | return (PyObject *) type_obj; | |
1489 | } | |
1490 | ||
1491 | struct type * | |
1492 | type_object_to_type (PyObject *obj) | |
1493 | { | |
1494 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1495 | return NULL; | |
1496 | return ((type_object *) obj)->type; | |
1497 | } | |
1498 | ||
1499 | \f | |
1500 | ||
1501 | /* Implementation of gdb.lookup_type. */ | |
1502 | PyObject * | |
1503 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1504 | { | |
5107b149 | 1505 | static char *keywords[] = { "name", "block", NULL }; |
ddd49eee | 1506 | const char *type_name = NULL; |
2c74e833 | 1507 | struct type *type = NULL; |
5107b149 | 1508 | PyObject *block_obj = NULL; |
9df2fbc4 | 1509 | const struct block *block = NULL; |
2c74e833 | 1510 | |
5107b149 PM |
1511 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1512 | &type_name, &block_obj)) | |
2c74e833 TT |
1513 | return NULL; |
1514 | ||
5107b149 PM |
1515 | if (block_obj) |
1516 | { | |
1517 | block = block_object_to_block (block_obj); | |
1518 | if (! block) | |
1519 | { | |
1520 | PyErr_SetString (PyExc_RuntimeError, | |
1521 | _("'block' argument must be a Block.")); | |
1522 | return NULL; | |
1523 | } | |
1524 | } | |
1525 | ||
1526 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1527 | if (! type) |
1528 | return NULL; | |
1529 | ||
1530 | return (PyObject *) type_to_type_object (type); | |
1531 | } | |
1532 | ||
1533 | void | |
1534 | gdbpy_initialize_types (void) | |
1535 | { | |
1536 | int i; | |
1537 | ||
1538 | typy_objfile_data_key | |
c1bd65d0 | 1539 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); |
2c74e833 TT |
1540 | |
1541 | if (PyType_Ready (&type_object_type) < 0) | |
1542 | return; | |
1543 | if (PyType_Ready (&field_object_type) < 0) | |
1544 | return; | |
a73bb892 PK |
1545 | if (PyType_Ready (&type_iterator_object_type) < 0) |
1546 | return; | |
2c74e833 TT |
1547 | |
1548 | for (i = 0; pyty_codes[i].name; ++i) | |
1549 | { | |
1550 | if (PyModule_AddIntConstant (gdb_module, | |
1551 | /* Cast needed for Python 2.4. */ | |
1552 | (char *) pyty_codes[i].name, | |
1553 | pyty_codes[i].code) < 0) | |
1554 | return; | |
1555 | } | |
1556 | ||
1557 | Py_INCREF (&type_object_type); | |
1558 | PyModule_AddObject (gdb_module, "Type", (PyObject *) &type_object_type); | |
1559 | ||
a73bb892 PK |
1560 | Py_INCREF (&type_iterator_object_type); |
1561 | PyModule_AddObject (gdb_module, "TypeIterator", | |
1562 | (PyObject *) &type_iterator_object_type); | |
1563 | ||
2c74e833 TT |
1564 | Py_INCREF (&field_object_type); |
1565 | PyModule_AddObject (gdb_module, "Field", (PyObject *) &field_object_type); | |
1566 | } | |
1567 | ||
1568 | \f | |
1569 | ||
1570 | static PyGetSetDef type_object_getset[] = | |
1571 | { | |
1572 | { "code", typy_get_code, NULL, | |
1573 | "The code for this type.", NULL }, | |
1574 | { "sizeof", typy_get_sizeof, NULL, | |
1575 | "The size of this type, in bytes.", NULL }, | |
1576 | { "tag", typy_get_tag, NULL, | |
1577 | "The tag name for this type, or None.", NULL }, | |
1578 | { NULL } | |
1579 | }; | |
1580 | ||
1581 | static PyMethodDef type_object_methods[] = | |
1582 | { | |
702c2711 | 1583 | { "array", typy_array, METH_VARARGS, |
f28c316a DE |
1584 | "array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ |
1585 | Return a type which represents an array of objects of this type.\n\ | |
1586 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1587 | If LOW_BOUND is omitted, a value of zero is used." }, | |
a72c3253 DE |
1588 | { "vector", typy_vector, METH_VARARGS, |
1589 | "vector ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ | |
1590 | Return a type which represents a vector of objects of this type.\n\ | |
1591 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1592 | If LOW_BOUND is omitted, a value of zero is used.\n\ | |
1593 | Vectors differ from arrays in that if the current language has C-style\n\ | |
1594 | arrays, vectors don't decay to a pointer to the first element.\n\ | |
1595 | They are first class values." }, | |
a73bb892 PK |
1596 | { "__contains__", typy_has_key, METH_VARARGS, |
1597 | "T.__contains__(k) -> True if T has a field named k, else False" }, | |
2c74e833 TT |
1598 | { "const", typy_const, METH_NOARGS, |
1599 | "const () -> Type\n\ | |
1600 | Return a const variant of this type." }, | |
1601 | { "fields", typy_fields, METH_NOARGS, | |
a73bb892 PK |
1602 | "fields () -> list\n\ |
1603 | Return a list holding all the fields of this type.\n\ | |
1604 | Each field is a gdb.Field object." }, | |
1605 | { "get", typy_get, METH_VARARGS, | |
1606 | "T.get(k[,default]) -> returns field named k in T, if it exists;\n\ | |
1607 | otherwise returns default, if supplied, or None if not." }, | |
1608 | { "has_key", typy_has_key, METH_VARARGS, | |
1609 | "T.has_key(k) -> True if T has a field named k, else False" }, | |
1610 | { "items", typy_items, METH_NOARGS, | |
1611 | "items () -> list\n\ | |
1612 | Return a list of (name, field) pairs of this type.\n\ | |
1613 | Each field is a gdb.Field object." }, | |
1614 | { "iteritems", typy_iteritems, METH_NOARGS, | |
1615 | "iteritems () -> an iterator over the (name, field)\n\ | |
1616 | pairs of this type. Each field is a gdb.Field object." }, | |
1617 | { "iterkeys", typy_iterkeys, METH_NOARGS, | |
1618 | "iterkeys () -> an iterator over the field names of this type." }, | |
1619 | { "itervalues", typy_itervalues, METH_NOARGS, | |
1620 | "itervalues () -> an iterator over the fields of this type.\n\ | |
1621 | Each field is a gdb.Field object." }, | |
1622 | { "keys", typy_field_names, METH_NOARGS, | |
1623 | "keys () -> list\n\ | |
1624 | Return a list holding all the fields names of this type." }, | |
2c74e833 TT |
1625 | { "pointer", typy_pointer, METH_NOARGS, |
1626 | "pointer () -> Type\n\ | |
1627 | Return a type of pointer to this type." }, | |
361ae042 PM |
1628 | { "range", typy_range, METH_NOARGS, |
1629 | "range () -> tuple\n\ | |
1630 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1631 | { "reference", typy_reference, METH_NOARGS, |
1632 | "reference () -> Type\n\ | |
1633 | Return a type of reference to this type." }, | |
1634 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1635 | "strip_typedefs () -> Type\n\ | |
1636 | Return a type formed by stripping this type of all typedefs."}, | |
1637 | { "target", typy_target, METH_NOARGS, | |
1638 | "target () -> Type\n\ | |
1639 | Return the target type of this type." }, | |
1640 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1641 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1642 | Return the type of a template argument." }, |
1643 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1644 | "unqualified () -> Type\n\ | |
1645 | Return a variant of this type without const or volatile attributes." }, | |
9cc10fd1 | 1646 | { "values", typy_values, METH_NOARGS, |
a73bb892 PK |
1647 | "values () -> list\n\ |
1648 | Return a list holding all the fields of this type.\n\ | |
1649 | Each field is a gdb.Field object." }, | |
2c74e833 TT |
1650 | { "volatile", typy_volatile, METH_NOARGS, |
1651 | "volatile () -> Type\n\ | |
1652 | Return a volatile variant of this type" }, | |
1653 | { NULL } | |
1654 | }; | |
1655 | ||
9cc10fd1 PK |
1656 | static PyNumberMethods type_object_as_number = { |
1657 | NULL, /* nb_add */ | |
1658 | NULL, /* nb_subtract */ | |
1659 | NULL, /* nb_multiply */ | |
1660 | NULL, /* nb_divide */ | |
1661 | NULL, /* nb_remainder */ | |
1662 | NULL, /* nb_divmod */ | |
1663 | NULL, /* nb_power */ | |
1664 | NULL, /* nb_negative */ | |
1665 | NULL, /* nb_positive */ | |
1666 | NULL, /* nb_absolute */ | |
1667 | typy_nonzero, /* nb_nonzero */ | |
1668 | NULL, /* nb_invert */ | |
1669 | NULL, /* nb_lshift */ | |
1670 | NULL, /* nb_rshift */ | |
1671 | NULL, /* nb_and */ | |
1672 | NULL, /* nb_xor */ | |
1673 | NULL, /* nb_or */ | |
1674 | NULL, /* nb_coerce */ | |
1675 | NULL, /* nb_int */ | |
1676 | NULL, /* nb_long */ | |
1677 | NULL, /* nb_float */ | |
1678 | NULL, /* nb_oct */ | |
1679 | NULL /* nb_hex */ | |
1680 | }; | |
1681 | ||
a73bb892 PK |
1682 | static PyMappingMethods typy_mapping = { |
1683 | typy_length, | |
1684 | typy_getitem, | |
1685 | NULL /* no "set" method */ | |
1686 | }; | |
1687 | ||
2c74e833 TT |
1688 | static PyTypeObject type_object_type = |
1689 | { | |
1690 | PyObject_HEAD_INIT (NULL) | |
1691 | 0, /*ob_size*/ | |
1692 | "gdb.Type", /*tp_name*/ | |
1693 | sizeof (type_object), /*tp_basicsize*/ | |
1694 | 0, /*tp_itemsize*/ | |
1695 | typy_dealloc, /*tp_dealloc*/ | |
1696 | 0, /*tp_print*/ | |
1697 | 0, /*tp_getattr*/ | |
1698 | 0, /*tp_setattr*/ | |
1699 | 0, /*tp_compare*/ | |
1700 | 0, /*tp_repr*/ | |
9cc10fd1 | 1701 | &type_object_as_number, /*tp_as_number*/ |
2c74e833 | 1702 | 0, /*tp_as_sequence*/ |
a73bb892 | 1703 | &typy_mapping, /*tp_as_mapping*/ |
2c74e833 TT |
1704 | 0, /*tp_hash */ |
1705 | 0, /*tp_call*/ | |
1706 | typy_str, /*tp_str*/ | |
1707 | 0, /*tp_getattro*/ | |
1708 | 0, /*tp_setattro*/ | |
1709 | 0, /*tp_as_buffer*/ | |
1710 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1711 | "GDB type object", /* tp_doc */ | |
1712 | 0, /* tp_traverse */ | |
1713 | 0, /* tp_clear */ | |
d839c8a4 | 1714 | typy_richcompare, /* tp_richcompare */ |
2c74e833 | 1715 | 0, /* tp_weaklistoffset */ |
a73bb892 | 1716 | typy_iter, /* tp_iter */ |
2c74e833 TT |
1717 | 0, /* tp_iternext */ |
1718 | type_object_methods, /* tp_methods */ | |
1719 | 0, /* tp_members */ | |
1720 | type_object_getset, /* tp_getset */ | |
1721 | 0, /* tp_base */ | |
1722 | 0, /* tp_dict */ | |
1723 | 0, /* tp_descr_get */ | |
1724 | 0, /* tp_descr_set */ | |
1725 | 0, /* tp_dictoffset */ | |
1726 | 0, /* tp_init */ | |
1727 | 0, /* tp_alloc */ | |
1728 | 0, /* tp_new */ | |
1729 | }; | |
1730 | ||
2e8265fd TT |
1731 | static PyGetSetDef field_object_getset[] = |
1732 | { | |
1733 | { "__dict__", gdb_py_generic_dict, NULL, | |
1734 | "The __dict__ for this field.", &field_object_type }, | |
1735 | { NULL } | |
1736 | }; | |
1737 | ||
2c74e833 TT |
1738 | static PyTypeObject field_object_type = |
1739 | { | |
1740 | PyObject_HEAD_INIT (NULL) | |
1741 | 0, /*ob_size*/ | |
1742 | "gdb.Field", /*tp_name*/ | |
1743 | sizeof (field_object), /*tp_basicsize*/ | |
1744 | 0, /*tp_itemsize*/ | |
1745 | field_dealloc, /*tp_dealloc*/ | |
1746 | 0, /*tp_print*/ | |
1747 | 0, /*tp_getattr*/ | |
1748 | 0, /*tp_setattr*/ | |
1749 | 0, /*tp_compare*/ | |
1750 | 0, /*tp_repr*/ | |
1751 | 0, /*tp_as_number*/ | |
1752 | 0, /*tp_as_sequence*/ | |
1753 | 0, /*tp_as_mapping*/ | |
1754 | 0, /*tp_hash */ | |
1755 | 0, /*tp_call*/ | |
1756 | 0, /*tp_str*/ | |
1757 | 0, /*tp_getattro*/ | |
1758 | 0, /*tp_setattro*/ | |
1759 | 0, /*tp_as_buffer*/ | |
1760 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1761 | "GDB field object", /* tp_doc */ | |
1762 | 0, /* tp_traverse */ | |
1763 | 0, /* tp_clear */ | |
1764 | 0, /* tp_richcompare */ | |
1765 | 0, /* tp_weaklistoffset */ | |
1766 | 0, /* tp_iter */ | |
1767 | 0, /* tp_iternext */ | |
1768 | 0, /* tp_methods */ | |
1769 | 0, /* tp_members */ | |
2e8265fd | 1770 | field_object_getset, /* tp_getset */ |
2c74e833 TT |
1771 | 0, /* tp_base */ |
1772 | 0, /* tp_dict */ | |
1773 | 0, /* tp_descr_get */ | |
1774 | 0, /* tp_descr_set */ | |
1775 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1776 | 0, /* tp_init */ | |
1777 | 0, /* tp_alloc */ | |
1778 | 0, /* tp_new */ | |
1779 | }; | |
a73bb892 PK |
1780 | |
1781 | static PyTypeObject type_iterator_object_type = { | |
1782 | PyObject_HEAD_INIT (NULL) | |
1783 | 0, /*ob_size*/ | |
1784 | "gdb.TypeIterator", /*tp_name*/ | |
1785 | sizeof (typy_iterator_object), /*tp_basicsize*/ | |
1786 | 0, /*tp_itemsize*/ | |
1787 | typy_iterator_dealloc, /*tp_dealloc*/ | |
1788 | 0, /*tp_print*/ | |
1789 | 0, /*tp_getattr*/ | |
1790 | 0, /*tp_setattr*/ | |
1791 | 0, /*tp_compare*/ | |
1792 | 0, /*tp_repr*/ | |
1793 | 0, /*tp_as_number*/ | |
1794 | 0, /*tp_as_sequence*/ | |
1795 | 0, /*tp_as_mapping*/ | |
1796 | 0, /*tp_hash */ | |
1797 | 0, /*tp_call*/ | |
1798 | 0, /*tp_str*/ | |
1799 | 0, /*tp_getattro*/ | |
1800 | 0, /*tp_setattro*/ | |
1801 | 0, /*tp_as_buffer*/ | |
1802 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1803 | "GDB type iterator object", /*tp_doc */ | |
1804 | 0, /*tp_traverse */ | |
1805 | 0, /*tp_clear */ | |
1806 | 0, /*tp_richcompare */ | |
1807 | 0, /*tp_weaklistoffset */ | |
1808 | typy_iterator_iter, /*tp_iter */ | |
1809 | typy_iterator_iternext, /*tp_iternext */ | |
1810 | 0 /*tp_methods */ | |
1811 | }; |