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