Commit | Line | Data |
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2c74e833 TT |
1 | /* Python interface to types. |
2 | ||
28e7fd62 | 3 | Copyright (C) 2008-2013 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 | ||
62eec1a5 TT |
47 | static PyTypeObject type_object_type |
48 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("type_object"); | |
2c74e833 TT |
49 | |
50 | /* A Field object. */ | |
51 | typedef struct pyty_field_object | |
52 | { | |
53 | PyObject_HEAD | |
54 | ||
55 | /* Dictionary holding our attributes. */ | |
56 | PyObject *dict; | |
57 | } field_object; | |
58 | ||
62eec1a5 TT |
59 | static PyTypeObject field_object_type |
60 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("field_object"); | |
2c74e833 | 61 | |
a73bb892 PK |
62 | /* A type iterator object. */ |
63 | typedef struct { | |
64 | PyObject_HEAD | |
65 | /* The current field index. */ | |
66 | int field; | |
67 | /* What to return. */ | |
68 | enum gdbpy_iter_kind kind; | |
69 | /* Pointer back to the original source type object. */ | |
70 | struct pyty_type_object *source; | |
71 | } typy_iterator_object; | |
72 | ||
62eec1a5 TT |
73 | static PyTypeObject type_iterator_object_type |
74 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("typy_iterator_object"); | |
a73bb892 | 75 | |
2c74e833 TT |
76 | /* This is used to initialize various gdb.TYPE_ constants. */ |
77 | struct pyty_code | |
78 | { | |
79 | /* The code. */ | |
80 | enum type_code code; | |
81 | /* The name. */ | |
82 | const char *name; | |
83 | }; | |
84 | ||
0dab82e9 PK |
85 | /* Forward declarations. */ |
86 | static PyObject *typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind); | |
87 | ||
2c74e833 TT |
88 | #define ENTRY(X) { X, #X } |
89 | ||
90 | static struct pyty_code pyty_codes[] = | |
91 | { | |
6b1755ce | 92 | ENTRY (TYPE_CODE_BITSTRING), |
2c74e833 TT |
93 | ENTRY (TYPE_CODE_PTR), |
94 | ENTRY (TYPE_CODE_ARRAY), | |
95 | ENTRY (TYPE_CODE_STRUCT), | |
96 | ENTRY (TYPE_CODE_UNION), | |
97 | ENTRY (TYPE_CODE_ENUM), | |
98 | ENTRY (TYPE_CODE_FLAGS), | |
99 | ENTRY (TYPE_CODE_FUNC), | |
100 | ENTRY (TYPE_CODE_INT), | |
101 | ENTRY (TYPE_CODE_FLT), | |
102 | ENTRY (TYPE_CODE_VOID), | |
103 | ENTRY (TYPE_CODE_SET), | |
104 | ENTRY (TYPE_CODE_RANGE), | |
105 | ENTRY (TYPE_CODE_STRING), | |
2c74e833 TT |
106 | ENTRY (TYPE_CODE_ERROR), |
107 | ENTRY (TYPE_CODE_METHOD), | |
108 | ENTRY (TYPE_CODE_METHODPTR), | |
109 | ENTRY (TYPE_CODE_MEMBERPTR), | |
110 | ENTRY (TYPE_CODE_REF), | |
111 | ENTRY (TYPE_CODE_CHAR), | |
112 | ENTRY (TYPE_CODE_BOOL), | |
113 | ENTRY (TYPE_CODE_COMPLEX), | |
114 | ENTRY (TYPE_CODE_TYPEDEF), | |
115 | ENTRY (TYPE_CODE_NAMESPACE), | |
116 | ENTRY (TYPE_CODE_DECFLOAT), | |
117 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
118 | { TYPE_CODE_UNDEF, NULL } | |
119 | }; | |
120 | ||
121 | \f | |
122 | ||
123 | static void | |
124 | field_dealloc (PyObject *obj) | |
125 | { | |
126 | field_object *f = (field_object *) obj; | |
d59b6f6c | 127 | |
2c74e833 | 128 | Py_XDECREF (f->dict); |
9a27f2c6 | 129 | Py_TYPE (obj)->tp_free (obj); |
2c74e833 TT |
130 | } |
131 | ||
132 | static PyObject * | |
133 | field_new (void) | |
134 | { | |
135 | field_object *result = PyObject_New (field_object, &field_object_type); | |
d59b6f6c | 136 | |
2c74e833 TT |
137 | if (result) |
138 | { | |
139 | result->dict = PyDict_New (); | |
140 | if (!result->dict) | |
141 | { | |
142 | Py_DECREF (result); | |
143 | result = NULL; | |
144 | } | |
145 | } | |
146 | return (PyObject *) result; | |
147 | } | |
148 | ||
149 | \f | |
150 | ||
151 | /* Return the code for this type. */ | |
152 | static PyObject * | |
153 | typy_get_code (PyObject *self, void *closure) | |
154 | { | |
155 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 156 | |
2c74e833 TT |
157 | return PyInt_FromLong (TYPE_CODE (type)); |
158 | } | |
159 | ||
160 | /* Helper function for typy_fields which converts a single field to a | |
a73bb892 PK |
161 | gdb.Field object. Returns NULL on error. */ |
162 | ||
2c74e833 TT |
163 | static PyObject * |
164 | convert_field (struct type *type, int field) | |
165 | { | |
166 | PyObject *result = field_new (); | |
167 | PyObject *arg; | |
168 | ||
169 | if (!result) | |
170 | return NULL; | |
171 | ||
172 | if (!field_is_static (&TYPE_FIELD (type, field))) | |
173 | { | |
14e75d8e JK |
174 | const char *attrstring; |
175 | ||
176 | if (TYPE_CODE (type) == TYPE_CODE_ENUM) | |
177 | { | |
178 | arg = gdb_py_long_from_longest (TYPE_FIELD_ENUMVAL (type, field)); | |
179 | attrstring = "enumval"; | |
180 | } | |
181 | else | |
182 | { | |
200bc880 | 183 | arg = gdb_py_long_from_longest (TYPE_FIELD_BITPOS (type, field)); |
14e75d8e JK |
184 | attrstring = "bitpos"; |
185 | } | |
186 | ||
2c74e833 TT |
187 | if (!arg) |
188 | goto fail; | |
189 | ||
4fb2c64a JK |
190 | /* At least python-2.4 had the second parameter non-const. */ |
191 | if (PyObject_SetAttrString (result, (char *) attrstring, arg) < 0) | |
2c74e833 | 192 | goto failarg; |
db6573d6 | 193 | Py_DECREF (arg); |
2c74e833 TT |
194 | } |
195 | ||
196 | if (TYPE_FIELD_NAME (type, field)) | |
197 | arg = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
198 | else | |
199 | { | |
200 | arg = Py_None; | |
201 | Py_INCREF (arg); | |
202 | } | |
203 | if (!arg) | |
204 | goto fail; | |
205 | if (PyObject_SetAttrString (result, "name", arg) < 0) | |
206 | goto failarg; | |
db6573d6 | 207 | Py_DECREF (arg); |
2c74e833 TT |
208 | |
209 | arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False; | |
210 | Py_INCREF (arg); | |
211 | if (PyObject_SetAttrString (result, "artificial", arg) < 0) | |
212 | goto failarg; | |
db6573d6 | 213 | Py_DECREF (arg); |
2c74e833 | 214 | |
bfd31e71 PM |
215 | if (TYPE_CODE (type) == TYPE_CODE_CLASS) |
216 | arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False; | |
217 | else | |
218 | arg = Py_False; | |
219 | Py_INCREF (arg); | |
220 | if (PyObject_SetAttrString (result, "is_base_class", arg) < 0) | |
221 | goto failarg; | |
db6573d6 | 222 | Py_DECREF (arg); |
bfd31e71 | 223 | |
2c74e833 TT |
224 | arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field)); |
225 | if (!arg) | |
226 | goto fail; | |
227 | if (PyObject_SetAttrString (result, "bitsize", arg) < 0) | |
228 | goto failarg; | |
db6573d6 | 229 | Py_DECREF (arg); |
2c74e833 TT |
230 | |
231 | /* A field can have a NULL type in some situations. */ | |
232 | if (TYPE_FIELD_TYPE (type, field) == NULL) | |
233 | { | |
234 | arg = Py_None; | |
235 | Py_INCREF (arg); | |
236 | } | |
237 | else | |
238 | arg = type_to_type_object (TYPE_FIELD_TYPE (type, field)); | |
239 | if (!arg) | |
240 | goto fail; | |
241 | if (PyObject_SetAttrString (result, "type", arg) < 0) | |
242 | goto failarg; | |
db6573d6 | 243 | Py_DECREF (arg); |
2c74e833 TT |
244 | |
245 | return result; | |
246 | ||
247 | failarg: | |
248 | Py_DECREF (arg); | |
249 | fail: | |
250 | Py_DECREF (result); | |
251 | return NULL; | |
252 | } | |
253 | ||
a73bb892 PK |
254 | /* Helper function to return the name of a field, as a gdb.Field object. |
255 | If the field doesn't have a name, None is returned. */ | |
256 | ||
2c74e833 | 257 | static PyObject * |
a73bb892 | 258 | field_name (struct type *type, int field) |
2c74e833 TT |
259 | { |
260 | PyObject *result; | |
a73bb892 PK |
261 | |
262 | if (TYPE_FIELD_NAME (type, field)) | |
263 | result = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
264 | else | |
265 | { | |
266 | result = Py_None; | |
267 | Py_INCREF (result); | |
268 | } | |
269 | return result; | |
270 | } | |
271 | ||
272 | /* Helper function for Type standard mapping methods. Returns a | |
273 | Python object for field i of the type. "kind" specifies what to | |
274 | return: the name of the field, a gdb.Field object corresponding to | |
275 | the field, or a tuple consisting of field name and gdb.Field | |
276 | object. */ | |
277 | ||
278 | static PyObject * | |
279 | make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind) | |
280 | { | |
281 | PyObject *item = NULL, *key = NULL, *value = NULL; | |
282 | ||
283 | switch (kind) | |
284 | { | |
285 | case iter_items: | |
286 | key = field_name (type, i); | |
287 | if (key == NULL) | |
288 | goto fail; | |
289 | value = convert_field (type, i); | |
290 | if (value == NULL) | |
291 | goto fail; | |
292 | item = PyTuple_New (2); | |
293 | if (item == NULL) | |
294 | goto fail; | |
295 | PyTuple_SET_ITEM (item, 0, key); | |
296 | PyTuple_SET_ITEM (item, 1, value); | |
297 | break; | |
298 | case iter_keys: | |
299 | item = field_name (type, i); | |
300 | break; | |
301 | case iter_values: | |
302 | item = convert_field (type, i); | |
303 | break; | |
0d3a2e8a TT |
304 | default: |
305 | gdb_assert_not_reached ("invalid gdbpy_iter_kind"); | |
a73bb892 PK |
306 | } |
307 | return item; | |
308 | ||
309 | fail: | |
310 | Py_XDECREF (key); | |
311 | Py_XDECREF (value); | |
312 | Py_XDECREF (item); | |
313 | return NULL; | |
314 | } | |
315 | ||
316 | /* Return a sequence of all field names, fields, or (name, field) pairs. | |
317 | Each field is a gdb.Field object. */ | |
318 | ||
319 | static PyObject * | |
320 | typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind) | |
321 | { | |
f6b47be4 | 322 | PyObject *py_type = self; |
0dab82e9 | 323 | PyObject *result = NULL, *iter = NULL; |
f6b47be4 DE |
324 | volatile struct gdb_exception except; |
325 | struct type *type = ((type_object *) py_type)->type; | |
326 | struct type *checked_type = type; | |
327 | ||
328 | TRY_CATCH (except, RETURN_MASK_ALL) | |
329 | { | |
330 | CHECK_TYPEDEF (checked_type); | |
331 | } | |
332 | GDB_PY_HANDLE_EXCEPTION (except); | |
333 | ||
334 | if (checked_type != type) | |
335 | py_type = type_to_type_object (checked_type); | |
336 | iter = typy_make_iter (py_type, kind); | |
337 | if (checked_type != type) | |
338 | { | |
339 | /* Need to wrap this in braces because Py_DECREF isn't wrapped | |
340 | in a do{}while(0). */ | |
341 | Py_DECREF (py_type); | |
342 | } | |
343 | if (iter != NULL) | |
344 | { | |
345 | result = PySequence_List (iter); | |
346 | Py_DECREF (iter); | |
347 | } | |
348 | ||
2c74e833 | 349 | return result; |
a73bb892 PK |
350 | } |
351 | ||
352 | /* Return a sequence of all fields. Each field is a gdb.Field object. */ | |
353 | ||
354 | static PyObject * | |
9cc10fd1 | 355 | typy_values (PyObject *self, PyObject *args) |
a73bb892 PK |
356 | { |
357 | return typy_fields_items (self, iter_values); | |
358 | } | |
359 | ||
9cc10fd1 PK |
360 | /* Return a sequence of all fields. Each field is a gdb.Field object. |
361 | This method is similar to typy_values, except where the supplied | |
362 | gdb.Type is an array, in which case it returns a list of one entry | |
363 | which is a gdb.Field object for a range (the array bounds). */ | |
364 | ||
365 | static PyObject * | |
366 | typy_fields (PyObject *self, PyObject *args) | |
367 | { | |
368 | struct type *type = ((type_object *) self)->type; | |
369 | PyObject *r, *rl; | |
370 | ||
371 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
372 | return typy_fields_items (self, iter_values); | |
373 | ||
374 | /* Array type. Handle this as a special case because the common | |
375 | machinery wants struct or union or enum types. Build a list of | |
376 | one entry which is the range for the array. */ | |
377 | r = convert_field (type, 0); | |
378 | if (r == NULL) | |
379 | return NULL; | |
380 | ||
381 | rl = Py_BuildValue ("[O]", r); | |
53e66479 | 382 | Py_DECREF (r); |
9cc10fd1 PK |
383 | |
384 | return rl; | |
385 | } | |
386 | ||
a73bb892 PK |
387 | /* Return a sequence of all field names. Each field is a gdb.Field object. */ |
388 | ||
389 | static PyObject * | |
390 | typy_field_names (PyObject *self, PyObject *args) | |
391 | { | |
392 | return typy_fields_items (self, iter_keys); | |
393 | } | |
394 | ||
395 | /* Return a sequence of all (name, fields) pairs. Each field is a | |
396 | gdb.Field object. */ | |
397 | ||
398 | static PyObject * | |
399 | typy_items (PyObject *self, PyObject *args) | |
400 | { | |
401 | return typy_fields_items (self, iter_items); | |
2c74e833 TT |
402 | } |
403 | ||
404 | /* Return the type's tag, or None. */ | |
405 | static PyObject * | |
406 | typy_get_tag (PyObject *self, void *closure) | |
407 | { | |
408 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 409 | |
2c74e833 TT |
410 | if (!TYPE_TAG_NAME (type)) |
411 | Py_RETURN_NONE; | |
412 | return PyString_FromString (TYPE_TAG_NAME (type)); | |
413 | } | |
414 | ||
415 | /* Return the type, stripped of typedefs. */ | |
416 | static PyObject * | |
417 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
418 | { | |
419 | struct type *type = ((type_object *) self)->type; | |
5d9c5995 PM |
420 | volatile struct gdb_exception except; |
421 | ||
422 | TRY_CATCH (except, RETURN_MASK_ALL) | |
423 | { | |
424 | type = check_typedef (type); | |
425 | } | |
426 | GDB_PY_HANDLE_EXCEPTION (except); | |
2c74e833 | 427 | |
bc9abe4a | 428 | return type_to_type_object (type); |
2c74e833 TT |
429 | } |
430 | ||
9cc10fd1 PK |
431 | /* Strip typedefs and pointers/reference from a type. Then check that |
432 | it is a struct, union, or enum type. If not, raise TypeError. */ | |
433 | ||
434 | static struct type * | |
435 | typy_get_composite (struct type *type) | |
436 | { | |
437 | volatile struct gdb_exception except; | |
438 | ||
439 | for (;;) | |
440 | { | |
441 | TRY_CATCH (except, RETURN_MASK_ALL) | |
442 | { | |
443 | CHECK_TYPEDEF (type); | |
444 | } | |
56cc411c | 445 | GDB_PY_HANDLE_EXCEPTION (except); |
9cc10fd1 PK |
446 | |
447 | if (TYPE_CODE (type) != TYPE_CODE_PTR | |
448 | && TYPE_CODE (type) != TYPE_CODE_REF) | |
449 | break; | |
450 | type = TYPE_TARGET_TYPE (type); | |
451 | } | |
452 | ||
453 | /* If this is not a struct, union, or enum type, raise TypeError | |
454 | exception. */ | |
455 | if (TYPE_CODE (type) != TYPE_CODE_STRUCT | |
456 | && TYPE_CODE (type) != TYPE_CODE_UNION | |
457 | && TYPE_CODE (type) != TYPE_CODE_ENUM) | |
458 | { | |
459 | PyErr_SetString (PyExc_TypeError, | |
460 | "Type is not a structure, union, or enum type."); | |
461 | return NULL; | |
462 | } | |
463 | ||
464 | return type; | |
465 | } | |
466 | ||
a72c3253 | 467 | /* Helper for typy_array and typy_vector. */ |
702c2711 TT |
468 | |
469 | static PyObject * | |
a72c3253 | 470 | typy_array_1 (PyObject *self, PyObject *args, int is_vector) |
702c2711 | 471 | { |
74aedc46 | 472 | long n1, n2; |
702c2711 TT |
473 | PyObject *n2_obj = NULL; |
474 | struct type *array = NULL; | |
475 | struct type *type = ((type_object *) self)->type; | |
476 | volatile struct gdb_exception except; | |
477 | ||
74aedc46 | 478 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
479 | return NULL; |
480 | ||
481 | if (n2_obj) | |
482 | { | |
483 | if (!PyInt_Check (n2_obj)) | |
484 | { | |
485 | PyErr_SetString (PyExc_RuntimeError, | |
486 | _("Array bound must be an integer")); | |
487 | return NULL; | |
488 | } | |
74aedc46 TT |
489 | |
490 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
491 | return NULL; |
492 | } | |
493 | else | |
494 | { | |
495 | n2 = n1; | |
496 | n1 = 0; | |
497 | } | |
498 | ||
499 | if (n2 < n1) | |
500 | { | |
501 | PyErr_SetString (PyExc_ValueError, | |
502 | _("Array length must not be negative")); | |
503 | return NULL; | |
504 | } | |
505 | ||
506 | TRY_CATCH (except, RETURN_MASK_ALL) | |
507 | { | |
508 | array = lookup_array_range_type (type, n1, n2); | |
a72c3253 DE |
509 | if (is_vector) |
510 | make_vector_type (array); | |
702c2711 TT |
511 | } |
512 | GDB_PY_HANDLE_EXCEPTION (except); | |
513 | ||
514 | return type_to_type_object (array); | |
515 | } | |
516 | ||
a72c3253 DE |
517 | /* Return an array type. */ |
518 | ||
519 | static PyObject * | |
520 | typy_array (PyObject *self, PyObject *args) | |
521 | { | |
522 | return typy_array_1 (self, args, 0); | |
523 | } | |
524 | ||
525 | /* Return a vector type. */ | |
526 | ||
527 | static PyObject * | |
528 | typy_vector (PyObject *self, PyObject *args) | |
529 | { | |
530 | return typy_array_1 (self, args, 1); | |
531 | } | |
532 | ||
2c74e833 TT |
533 | /* Return a Type object which represents a pointer to SELF. */ |
534 | static PyObject * | |
535 | typy_pointer (PyObject *self, PyObject *args) | |
536 | { | |
537 | struct type *type = ((type_object *) self)->type; | |
538 | volatile struct gdb_exception except; | |
539 | ||
540 | TRY_CATCH (except, RETURN_MASK_ALL) | |
541 | { | |
542 | type = lookup_pointer_type (type); | |
543 | } | |
544 | GDB_PY_HANDLE_EXCEPTION (except); | |
545 | ||
546 | return type_to_type_object (type); | |
547 | } | |
548 | ||
361ae042 PM |
549 | /* Return the range of a type represented by SELF. The return type is |
550 | a tuple. The first element of the tuple contains the low bound, | |
551 | while the second element of the tuple contains the high bound. */ | |
552 | static PyObject * | |
553 | typy_range (PyObject *self, PyObject *args) | |
554 | { | |
555 | struct type *type = ((type_object *) self)->type; | |
556 | PyObject *result; | |
557 | PyObject *low_bound = NULL, *high_bound = NULL; | |
8d099ae9 PM |
558 | /* Initialize these to appease GCC warnings. */ |
559 | LONGEST low = 0, high = 0; | |
361ae042 PM |
560 | |
561 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
562 | && TYPE_CODE (type) != TYPE_CODE_STRING | |
563 | && TYPE_CODE (type) != TYPE_CODE_RANGE) | |
564 | { | |
565 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 566 | _("This type does not have a range.")); |
361ae042 PM |
567 | return NULL; |
568 | } | |
569 | ||
570 | switch (TYPE_CODE (type)) | |
571 | { | |
572 | case TYPE_CODE_ARRAY: | |
573 | case TYPE_CODE_STRING: | |
574 | low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)); | |
575 | high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)); | |
576 | break; | |
577 | case TYPE_CODE_RANGE: | |
578 | low = TYPE_LOW_BOUND (type); | |
579 | high = TYPE_HIGH_BOUND (type); | |
580 | break; | |
581 | } | |
582 | ||
583 | low_bound = PyLong_FromLong (low); | |
584 | if (!low_bound) | |
585 | goto failarg; | |
586 | ||
587 | high_bound = PyLong_FromLong (high); | |
588 | if (!high_bound) | |
589 | goto failarg; | |
590 | ||
591 | result = PyTuple_New (2); | |
592 | if (!result) | |
593 | goto failarg; | |
594 | ||
595 | if (PyTuple_SetItem (result, 0, low_bound) != 0) | |
596 | { | |
597 | Py_DECREF (result); | |
598 | goto failarg; | |
599 | } | |
600 | if (PyTuple_SetItem (result, 1, high_bound) != 0) | |
601 | { | |
602 | Py_DECREF (high_bound); | |
603 | Py_DECREF (result); | |
604 | return NULL; | |
605 | } | |
606 | return result; | |
607 | ||
608 | failarg: | |
609 | Py_XDECREF (high_bound); | |
610 | Py_XDECREF (low_bound); | |
611 | return NULL; | |
612 | } | |
613 | ||
2c74e833 TT |
614 | /* Return a Type object which represents a reference to SELF. */ |
615 | static PyObject * | |
616 | typy_reference (PyObject *self, PyObject *args) | |
617 | { | |
618 | struct type *type = ((type_object *) self)->type; | |
619 | volatile struct gdb_exception except; | |
620 | ||
621 | TRY_CATCH (except, RETURN_MASK_ALL) | |
622 | { | |
623 | type = lookup_reference_type (type); | |
624 | } | |
625 | GDB_PY_HANDLE_EXCEPTION (except); | |
626 | ||
627 | return type_to_type_object (type); | |
628 | } | |
629 | ||
630 | /* Return a Type object which represents the target type of SELF. */ | |
631 | static PyObject * | |
632 | typy_target (PyObject *self, PyObject *args) | |
633 | { | |
634 | struct type *type = ((type_object *) self)->type; | |
635 | ||
636 | if (!TYPE_TARGET_TYPE (type)) | |
637 | { | |
044c0f87 PM |
638 | PyErr_SetString (PyExc_RuntimeError, |
639 | _("Type does not have a target.")); | |
2c74e833 TT |
640 | return NULL; |
641 | } | |
642 | ||
643 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
644 | } | |
645 | ||
646 | /* Return a const-qualified type variant. */ | |
647 | static PyObject * | |
648 | typy_const (PyObject *self, PyObject *args) | |
649 | { | |
650 | struct type *type = ((type_object *) self)->type; | |
651 | volatile struct gdb_exception except; | |
652 | ||
653 | TRY_CATCH (except, RETURN_MASK_ALL) | |
654 | { | |
655 | type = make_cv_type (1, 0, type, NULL); | |
656 | } | |
657 | GDB_PY_HANDLE_EXCEPTION (except); | |
658 | ||
659 | return type_to_type_object (type); | |
660 | } | |
661 | ||
662 | /* Return a volatile-qualified type variant. */ | |
663 | static PyObject * | |
664 | typy_volatile (PyObject *self, PyObject *args) | |
665 | { | |
666 | struct type *type = ((type_object *) self)->type; | |
667 | volatile struct gdb_exception except; | |
668 | ||
669 | TRY_CATCH (except, RETURN_MASK_ALL) | |
670 | { | |
671 | type = make_cv_type (0, 1, type, NULL); | |
672 | } | |
673 | GDB_PY_HANDLE_EXCEPTION (except); | |
674 | ||
675 | return type_to_type_object (type); | |
676 | } | |
677 | ||
678 | /* Return an unqualified type variant. */ | |
679 | static PyObject * | |
680 | typy_unqualified (PyObject *self, PyObject *args) | |
681 | { | |
682 | struct type *type = ((type_object *) self)->type; | |
683 | volatile struct gdb_exception except; | |
684 | ||
685 | TRY_CATCH (except, RETURN_MASK_ALL) | |
686 | { | |
687 | type = make_cv_type (0, 0, type, NULL); | |
688 | } | |
689 | GDB_PY_HANDLE_EXCEPTION (except); | |
690 | ||
691 | return type_to_type_object (type); | |
692 | } | |
693 | ||
694 | /* Return the size of the type represented by SELF, in bytes. */ | |
695 | static PyObject * | |
696 | typy_get_sizeof (PyObject *self, void *closure) | |
697 | { | |
698 | struct type *type = ((type_object *) self)->type; | |
699 | volatile struct gdb_exception except; | |
700 | ||
701 | TRY_CATCH (except, RETURN_MASK_ALL) | |
702 | { | |
703 | check_typedef (type); | |
704 | } | |
705 | /* Ignore exceptions. */ | |
706 | ||
200bc880 | 707 | return gdb_py_long_from_longest (TYPE_LENGTH (type)); |
2c74e833 TT |
708 | } |
709 | ||
710 | static struct type * | |
9df2fbc4 | 711 | typy_lookup_typename (const char *type_name, const struct block *block) |
2c74e833 TT |
712 | { |
713 | struct type *type = NULL; | |
714 | volatile struct gdb_exception except; | |
d59b6f6c | 715 | |
2c74e833 TT |
716 | TRY_CATCH (except, RETURN_MASK_ALL) |
717 | { | |
718 | if (!strncmp (type_name, "struct ", 7)) | |
719 | type = lookup_struct (type_name + 7, NULL); | |
720 | else if (!strncmp (type_name, "union ", 6)) | |
721 | type = lookup_union (type_name + 6, NULL); | |
722 | else if (!strncmp (type_name, "enum ", 5)) | |
723 | type = lookup_enum (type_name + 5, NULL); | |
724 | else | |
d452c4bc | 725 | type = lookup_typename (python_language, python_gdbarch, |
5107b149 | 726 | type_name, block, 0); |
2c74e833 | 727 | } |
56cc411c | 728 | GDB_PY_HANDLE_EXCEPTION (except); |
2c74e833 TT |
729 | |
730 | return type; | |
731 | } | |
732 | ||
733 | static struct type * | |
5107b149 | 734 | typy_lookup_type (struct demangle_component *demangled, |
9df2fbc4 | 735 | const struct block *block) |
2c74e833 | 736 | { |
cd829959 | 737 | struct type *type, *rtype = NULL; |
76dce0be | 738 | char *type_name = NULL; |
2c74e833 | 739 | enum demangle_component_type demangled_type; |
76dce0be | 740 | volatile struct gdb_exception except; |
2c74e833 TT |
741 | |
742 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
743 | memory pointed by demangled. */ | |
744 | demangled_type = demangled->type; | |
745 | ||
746 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
747 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
748 | || demangled_type == DEMANGLE_COMPONENT_CONST | |
749 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
750 | { | |
5107b149 | 751 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
752 | if (! type) |
753 | return NULL; | |
754 | ||
76dce0be PM |
755 | TRY_CATCH (except, RETURN_MASK_ALL) |
756 | { | |
cd829959 PM |
757 | /* If the demangled_type matches with one of the types |
758 | below, run the corresponding function and save the type | |
759 | to return later. We cannot just return here as we are in | |
760 | an exception handler. */ | |
76dce0be PM |
761 | switch (demangled_type) |
762 | { | |
763 | case DEMANGLE_COMPONENT_REFERENCE: | |
cd829959 PM |
764 | rtype = lookup_reference_type (type); |
765 | break; | |
76dce0be | 766 | case DEMANGLE_COMPONENT_POINTER: |
cd829959 PM |
767 | rtype = lookup_pointer_type (type); |
768 | break; | |
76dce0be | 769 | case DEMANGLE_COMPONENT_CONST: |
cd829959 PM |
770 | rtype = make_cv_type (1, 0, type, NULL); |
771 | break; | |
76dce0be | 772 | case DEMANGLE_COMPONENT_VOLATILE: |
cd829959 PM |
773 | rtype = make_cv_type (0, 1, type, NULL); |
774 | break; | |
76dce0be | 775 | } |
76dce0be | 776 | } |
56cc411c | 777 | GDB_PY_HANDLE_EXCEPTION (except); |
2c74e833 | 778 | } |
cd829959 PM |
779 | |
780 | /* If we have a type from the switch statement above, just return | |
781 | that. */ | |
782 | if (rtype) | |
783 | return rtype; | |
784 | ||
785 | /* We don't have a type, so lookup the type. */ | |
786 | type_name = cp_comp_to_string (demangled, 10); | |
5107b149 | 787 | type = typy_lookup_typename (type_name, block); |
2c74e833 TT |
788 | xfree (type_name); |
789 | ||
790 | return type; | |
791 | } | |
792 | ||
326fd672 TT |
793 | /* This is a helper function for typy_template_argument that is used |
794 | when the type does not have template symbols attached. It works by | |
795 | parsing the type name. This happens with compilers, like older | |
796 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
797 | ||
2c74e833 | 798 | static PyObject * |
9df2fbc4 | 799 | typy_legacy_template_argument (struct type *type, const struct block *block, |
326fd672 | 800 | int argno) |
2c74e833 | 801 | { |
326fd672 | 802 | int i; |
2c74e833 | 803 | struct demangle_component *demangled; |
5d9c5995 | 804 | struct demangle_parse_info *info = NULL; |
2c74e833 TT |
805 | const char *err; |
806 | struct type *argtype; | |
3a93a0c2 | 807 | struct cleanup *cleanup; |
5d9c5995 | 808 | volatile struct gdb_exception except; |
2c74e833 TT |
809 | |
810 | if (TYPE_NAME (type) == NULL) | |
811 | { | |
5107b149 | 812 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
813 | return NULL; |
814 | } | |
815 | ||
5d9c5995 PM |
816 | TRY_CATCH (except, RETURN_MASK_ALL) |
817 | { | |
818 | /* Note -- this is not thread-safe. */ | |
819 | info = cp_demangled_name_to_comp (TYPE_NAME (type), &err); | |
820 | } | |
821 | GDB_PY_HANDLE_EXCEPTION (except); | |
822 | ||
3a93a0c2 | 823 | if (! info) |
2c74e833 TT |
824 | { |
825 | PyErr_SetString (PyExc_RuntimeError, err); | |
826 | return NULL; | |
827 | } | |
3a93a0c2 KS |
828 | demangled = info->tree; |
829 | cleanup = make_cleanup_cp_demangled_name_parse_free (info); | |
2c74e833 TT |
830 | |
831 | /* Strip off component names. */ | |
832 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
833 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
834 | demangled = demangled->u.s_binary.right; | |
835 | ||
836 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
837 | { | |
3a93a0c2 | 838 | do_cleanups (cleanup); |
5107b149 | 839 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
840 | return NULL; |
841 | } | |
842 | ||
843 | /* Skip from the template to the arguments. */ | |
844 | demangled = demangled->u.s_binary.right; | |
845 | ||
846 | for (i = 0; demangled && i < argno; ++i) | |
847 | demangled = demangled->u.s_binary.right; | |
848 | ||
849 | if (! demangled) | |
850 | { | |
3a93a0c2 | 851 | do_cleanups (cleanup); |
5107b149 | 852 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
853 | argno); |
854 | return NULL; | |
855 | } | |
856 | ||
5107b149 | 857 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
3a93a0c2 | 858 | do_cleanups (cleanup); |
2c74e833 TT |
859 | if (! argtype) |
860 | return NULL; | |
861 | ||
862 | return type_to_type_object (argtype); | |
326fd672 TT |
863 | } |
864 | ||
865 | static PyObject * | |
866 | typy_template_argument (PyObject *self, PyObject *args) | |
867 | { | |
868 | int argno; | |
869 | struct type *type = ((type_object *) self)->type; | |
9df2fbc4 | 870 | const struct block *block = NULL; |
326fd672 TT |
871 | PyObject *block_obj = NULL; |
872 | struct symbol *sym; | |
873 | struct value *val = NULL; | |
874 | volatile struct gdb_exception except; | |
875 | ||
876 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
877 | return NULL; | |
878 | ||
879 | if (block_obj) | |
880 | { | |
881 | block = block_object_to_block (block_obj); | |
882 | if (! block) | |
883 | { | |
884 | PyErr_SetString (PyExc_RuntimeError, | |
885 | _("Second argument must be block.")); | |
886 | return NULL; | |
887 | } | |
888 | } | |
889 | ||
05d0e1e7 TT |
890 | TRY_CATCH (except, RETURN_MASK_ALL) |
891 | { | |
892 | type = check_typedef (type); | |
893 | if (TYPE_CODE (type) == TYPE_CODE_REF) | |
894 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
895 | } | |
896 | GDB_PY_HANDLE_EXCEPTION (except); | |
326fd672 TT |
897 | |
898 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
899 | name. This is inefficient if we do not have a template type -- | |
900 | but that is going to wind up as an error anyhow. */ | |
901 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
902 | return typy_legacy_template_argument (type, block, argno); | |
903 | ||
904 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
905 | { | |
906 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
907 | argno); | |
908 | return NULL; | |
909 | } | |
910 | ||
911 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
912 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
913 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
914 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
915 | { | |
916 | PyErr_Format (PyExc_RuntimeError, | |
917 | _("Template argument is optimized out")); | |
918 | return NULL; | |
919 | } | |
920 | ||
921 | TRY_CATCH (except, RETURN_MASK_ALL) | |
922 | { | |
923 | val = value_of_variable (sym, block); | |
924 | } | |
925 | GDB_PY_HANDLE_EXCEPTION (except); | |
926 | ||
927 | return value_to_value_object (val); | |
2c74e833 TT |
928 | } |
929 | ||
930 | static PyObject * | |
931 | typy_str (PyObject *self) | |
932 | { | |
933 | volatile struct gdb_exception except; | |
934 | char *thetype = NULL; | |
759ef836 | 935 | long length = 0; |
2c74e833 TT |
936 | PyObject *result; |
937 | ||
938 | TRY_CATCH (except, RETURN_MASK_ALL) | |
939 | { | |
940 | struct cleanup *old_chain; | |
941 | struct ui_file *stb; | |
2c74e833 TT |
942 | |
943 | stb = mem_fileopen (); | |
944 | old_chain = make_cleanup_ui_file_delete (stb); | |
945 | ||
53342f27 TT |
946 | LA_PRINT_TYPE (type_object_to_type (self), "", stb, -1, 0, |
947 | &type_print_raw_options); | |
2c74e833 TT |
948 | |
949 | thetype = ui_file_xstrdup (stb, &length); | |
950 | do_cleanups (old_chain); | |
951 | } | |
952 | if (except.reason < 0) | |
953 | { | |
954 | xfree (thetype); | |
955 | GDB_PY_HANDLE_EXCEPTION (except); | |
956 | } | |
957 | ||
759ef836 | 958 | result = PyUnicode_Decode (thetype, length, host_charset (), NULL); |
2c74e833 TT |
959 | xfree (thetype); |
960 | ||
961 | return result; | |
962 | } | |
963 | ||
d839c8a4 TT |
964 | /* An entry in the type-equality bcache. */ |
965 | ||
966 | typedef struct type_equality_entry | |
967 | { | |
968 | struct type *type1, *type2; | |
969 | } type_equality_entry_d; | |
970 | ||
971 | DEF_VEC_O (type_equality_entry_d); | |
972 | ||
973 | /* A helper function to compare two strings. Returns 1 if they are | |
974 | the same, 0 otherwise. Handles NULLs properly. */ | |
975 | ||
976 | static int | |
f8eba3c6 | 977 | compare_maybe_null_strings (const char *s, const char *t) |
d839c8a4 TT |
978 | { |
979 | if (s == NULL && t != NULL) | |
980 | return 0; | |
981 | else if (s != NULL && t == NULL) | |
982 | return 0; | |
983 | else if (s == NULL && t== NULL) | |
984 | return 1; | |
985 | return strcmp (s, t) == 0; | |
986 | } | |
987 | ||
988 | /* A helper function for typy_richcompare that checks two types for | |
989 | "deep" equality. Returns Py_EQ if the types are considered the | |
990 | same, Py_NE otherwise. */ | |
991 | ||
992 | static int | |
993 | check_types_equal (struct type *type1, struct type *type2, | |
994 | VEC (type_equality_entry_d) **worklist) | |
995 | { | |
996 | CHECK_TYPEDEF (type1); | |
997 | CHECK_TYPEDEF (type2); | |
998 | ||
999 | if (type1 == type2) | |
1000 | return Py_EQ; | |
1001 | ||
1002 | if (TYPE_CODE (type1) != TYPE_CODE (type2) | |
1003 | || TYPE_LENGTH (type1) != TYPE_LENGTH (type2) | |
1004 | || TYPE_UNSIGNED (type1) != TYPE_UNSIGNED (type2) | |
1005 | || TYPE_NOSIGN (type1) != TYPE_NOSIGN (type2) | |
1006 | || TYPE_VARARGS (type1) != TYPE_VARARGS (type2) | |
1007 | || TYPE_VECTOR (type1) != TYPE_VECTOR (type2) | |
1008 | || TYPE_NOTTEXT (type1) != TYPE_NOTTEXT (type2) | |
1009 | || TYPE_INSTANCE_FLAGS (type1) != TYPE_INSTANCE_FLAGS (type2) | |
1010 | || TYPE_NFIELDS (type1) != TYPE_NFIELDS (type2)) | |
1011 | return Py_NE; | |
1012 | ||
f8eba3c6 TT |
1013 | if (!compare_maybe_null_strings (TYPE_TAG_NAME (type1), |
1014 | TYPE_TAG_NAME (type2))) | |
d839c8a4 | 1015 | return Py_NE; |
f8eba3c6 | 1016 | if (!compare_maybe_null_strings (TYPE_NAME (type1), TYPE_NAME (type2))) |
d839c8a4 TT |
1017 | return Py_NE; |
1018 | ||
1019 | if (TYPE_CODE (type1) == TYPE_CODE_RANGE) | |
1020 | { | |
1021 | if (memcmp (TYPE_RANGE_DATA (type1), TYPE_RANGE_DATA (type2), | |
1022 | sizeof (*TYPE_RANGE_DATA (type1))) != 0) | |
1023 | return Py_NE; | |
1024 | } | |
1025 | else | |
1026 | { | |
1027 | int i; | |
1028 | ||
1029 | for (i = 0; i < TYPE_NFIELDS (type1); ++i) | |
1030 | { | |
1031 | const struct field *field1 = &TYPE_FIELD (type1, i); | |
1032 | const struct field *field2 = &TYPE_FIELD (type2, i); | |
1033 | struct type_equality_entry entry; | |
1034 | ||
1035 | if (FIELD_ARTIFICIAL (*field1) != FIELD_ARTIFICIAL (*field2) | |
1036 | || FIELD_BITSIZE (*field1) != FIELD_BITSIZE (*field2) | |
1037 | || FIELD_LOC_KIND (*field1) != FIELD_LOC_KIND (*field2)) | |
1038 | return Py_NE; | |
f8eba3c6 TT |
1039 | if (!compare_maybe_null_strings (FIELD_NAME (*field1), |
1040 | FIELD_NAME (*field2))) | |
d839c8a4 TT |
1041 | return Py_NE; |
1042 | switch (FIELD_LOC_KIND (*field1)) | |
1043 | { | |
1044 | case FIELD_LOC_KIND_BITPOS: | |
1045 | if (FIELD_BITPOS (*field1) != FIELD_BITPOS (*field2)) | |
1046 | return Py_NE; | |
1047 | break; | |
14e75d8e JK |
1048 | case FIELD_LOC_KIND_ENUMVAL: |
1049 | if (FIELD_ENUMVAL (*field1) != FIELD_ENUMVAL (*field2)) | |
1050 | return Py_NE; | |
1051 | break; | |
d839c8a4 TT |
1052 | case FIELD_LOC_KIND_PHYSADDR: |
1053 | if (FIELD_STATIC_PHYSADDR (*field1) | |
1054 | != FIELD_STATIC_PHYSADDR (*field2)) | |
1055 | return Py_NE; | |
1056 | break; | |
1057 | case FIELD_LOC_KIND_PHYSNAME: | |
f8eba3c6 TT |
1058 | if (!compare_maybe_null_strings (FIELD_STATIC_PHYSNAME (*field1), |
1059 | FIELD_STATIC_PHYSNAME (*field2))) | |
d839c8a4 TT |
1060 | return Py_NE; |
1061 | break; | |
8e3b41a9 JK |
1062 | case FIELD_LOC_KIND_DWARF_BLOCK: |
1063 | { | |
1064 | struct dwarf2_locexpr_baton *block1, *block2; | |
1065 | ||
1066 | block1 = FIELD_DWARF_BLOCK (*field1); | |
1067 | block2 = FIELD_DWARF_BLOCK (*field2); | |
1068 | if (block1->per_cu != block2->per_cu | |
1069 | || block1->size != block2->size | |
1070 | || memcmp (block1->data, block2->data, block1->size) != 0) | |
1071 | return Py_NE; | |
1072 | } | |
1073 | break; | |
1074 | default: | |
1075 | internal_error (__FILE__, __LINE__, _("Unsupported field kind " | |
1076 | "%d by check_types_equal"), | |
1077 | FIELD_LOC_KIND (*field1)); | |
d839c8a4 TT |
1078 | } |
1079 | ||
1080 | entry.type1 = FIELD_TYPE (*field1); | |
1081 | entry.type2 = FIELD_TYPE (*field2); | |
1082 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | if (TYPE_TARGET_TYPE (type1) != NULL) | |
1087 | { | |
1088 | struct type_equality_entry entry; | |
d839c8a4 TT |
1089 | |
1090 | if (TYPE_TARGET_TYPE (type2) == NULL) | |
1091 | return Py_NE; | |
1092 | ||
1093 | entry.type1 = TYPE_TARGET_TYPE (type1); | |
1094 | entry.type2 = TYPE_TARGET_TYPE (type2); | |
1095 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
1096 | } | |
1097 | else if (TYPE_TARGET_TYPE (type2) != NULL) | |
1098 | return Py_NE; | |
1099 | ||
1100 | return Py_EQ; | |
1101 | } | |
1102 | ||
1103 | /* Check types on a worklist for equality. Returns Py_NE if any pair | |
1104 | is not equal, Py_EQ if they are all considered equal. */ | |
1105 | ||
1106 | static int | |
1107 | check_types_worklist (VEC (type_equality_entry_d) **worklist, | |
1108 | struct bcache *cache) | |
1109 | { | |
1110 | while (!VEC_empty (type_equality_entry_d, *worklist)) | |
1111 | { | |
1112 | struct type_equality_entry entry; | |
1113 | int added; | |
1114 | ||
1115 | entry = *VEC_last (type_equality_entry_d, *worklist); | |
1116 | VEC_pop (type_equality_entry_d, *worklist); | |
1117 | ||
1118 | /* If the type pair has already been visited, we know it is | |
1119 | ok. */ | |
1120 | bcache_full (&entry, sizeof (entry), cache, &added); | |
1121 | if (!added) | |
1122 | continue; | |
1123 | ||
1124 | if (check_types_equal (entry.type1, entry.type2, worklist) == Py_NE) | |
1125 | return Py_NE; | |
1126 | } | |
1127 | ||
1128 | return Py_EQ; | |
1129 | } | |
1130 | ||
1131 | /* Implement the richcompare method. */ | |
1132 | ||
1133 | static PyObject * | |
1134 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
1135 | { | |
1136 | int result = Py_NE; | |
1137 | struct type *type1 = type_object_to_type (self); | |
1138 | struct type *type2 = type_object_to_type (other); | |
1139 | volatile struct gdb_exception except; | |
1140 | ||
1141 | /* We can only compare ourselves to another Type object, and only | |
1142 | for equality or inequality. */ | |
1143 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
1144 | { | |
1145 | Py_INCREF (Py_NotImplemented); | |
1146 | return Py_NotImplemented; | |
1147 | } | |
1148 | ||
1149 | if (type1 == type2) | |
1150 | result = Py_EQ; | |
1151 | else | |
1152 | { | |
1153 | struct bcache *cache; | |
e8fd65ef | 1154 | VEC (type_equality_entry_d) *worklist = NULL; |
d839c8a4 TT |
1155 | struct type_equality_entry entry; |
1156 | ||
cbd70537 | 1157 | cache = bcache_xmalloc (NULL, NULL); |
d839c8a4 TT |
1158 | |
1159 | entry.type1 = type1; | |
1160 | entry.type2 = type2; | |
1161 | VEC_safe_push (type_equality_entry_d, worklist, &entry); | |
1162 | ||
1163 | TRY_CATCH (except, RETURN_MASK_ALL) | |
1164 | { | |
1165 | result = check_types_worklist (&worklist, cache); | |
1166 | } | |
76dce0be PM |
1167 | /* check_types_worklist calls several nested Python helper |
1168 | functions, some of which can raise a GDB Exception, so we | |
1169 | just check and convert here. If there is a GDB exception, a | |
1170 | comparison is not capable (or trusted), so exit. */ | |
d839c8a4 TT |
1171 | bcache_xfree (cache); |
1172 | VEC_free (type_equality_entry_d, worklist); | |
76dce0be | 1173 | GDB_PY_HANDLE_EXCEPTION (except); |
d839c8a4 TT |
1174 | } |
1175 | ||
1176 | if (op == result) | |
1177 | Py_RETURN_TRUE; | |
1178 | Py_RETURN_FALSE; | |
1179 | } | |
1180 | ||
2c74e833 TT |
1181 | \f |
1182 | ||
1183 | static const struct objfile_data *typy_objfile_data_key; | |
1184 | ||
1185 | static void | |
c1bd65d0 | 1186 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 TT |
1187 | { |
1188 | type_object *obj = datum; | |
1189 | htab_t copied_types; | |
1190 | struct cleanup *cleanup; | |
2c74e833 | 1191 | |
0646da15 TT |
1192 | if (!gdb_python_initialized) |
1193 | return; | |
1194 | ||
2c74e833 TT |
1195 | /* This prevents another thread from freeing the objects we're |
1196 | operating on. */ | |
d452c4bc | 1197 | cleanup = ensure_python_env (get_objfile_arch (objfile), current_language); |
2c74e833 TT |
1198 | |
1199 | copied_types = create_copied_types_hash (objfile); | |
1200 | ||
1201 | while (obj) | |
1202 | { | |
1203 | type_object *next = obj->next; | |
1204 | ||
1205 | htab_empty (copied_types); | |
1206 | ||
1207 | obj->type = copy_type_recursive (objfile, obj->type, copied_types); | |
1208 | ||
1209 | obj->next = NULL; | |
1210 | obj->prev = NULL; | |
1211 | ||
1212 | obj = next; | |
1213 | } | |
1214 | ||
1215 | htab_delete (copied_types); | |
1216 | ||
1217 | do_cleanups (cleanup); | |
1218 | } | |
1219 | ||
1220 | static void | |
1221 | set_type (type_object *obj, struct type *type) | |
1222 | { | |
1223 | obj->type = type; | |
1224 | obj->prev = NULL; | |
1225 | if (type && TYPE_OBJFILE (type)) | |
1226 | { | |
1227 | struct objfile *objfile = TYPE_OBJFILE (type); | |
1228 | ||
1229 | obj->next = objfile_data (objfile, typy_objfile_data_key); | |
1230 | if (obj->next) | |
1231 | obj->next->prev = obj; | |
1232 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
1233 | } | |
1234 | else | |
1235 | obj->next = NULL; | |
1236 | } | |
1237 | ||
1238 | static void | |
1239 | typy_dealloc (PyObject *obj) | |
1240 | { | |
1241 | type_object *type = (type_object *) obj; | |
1242 | ||
1243 | if (type->prev) | |
1244 | type->prev->next = type->next; | |
1245 | else if (type->type && TYPE_OBJFILE (type->type)) | |
1246 | { | |
1247 | /* Must reset head of list. */ | |
1248 | struct objfile *objfile = TYPE_OBJFILE (type->type); | |
d59b6f6c | 1249 | |
2c74e833 TT |
1250 | if (objfile) |
1251 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
1252 | } | |
1253 | if (type->next) | |
1254 | type->next->prev = type->prev; | |
1255 | ||
9a27f2c6 | 1256 | Py_TYPE (type)->tp_free (type); |
2c74e833 TT |
1257 | } |
1258 | ||
a73bb892 PK |
1259 | /* Return number of fields ("length" of the field dictionary). */ |
1260 | ||
1261 | static Py_ssize_t | |
1262 | typy_length (PyObject *self) | |
1263 | { | |
1264 | struct type *type = ((type_object *) self)->type; | |
1265 | ||
9cc10fd1 PK |
1266 | type = typy_get_composite (type); |
1267 | if (type == NULL) | |
1268 | return -1; | |
1269 | ||
a73bb892 PK |
1270 | return TYPE_NFIELDS (type); |
1271 | } | |
1272 | ||
9cc10fd1 PK |
1273 | /* Implements boolean evaluation of gdb.Type. Handle this like other |
1274 | Python objects that don't have a meaningful truth value -- all | |
1275 | values are true. */ | |
1276 | ||
1277 | static int | |
1278 | typy_nonzero (PyObject *self) | |
1279 | { | |
1280 | return 1; | |
1281 | } | |
1282 | ||
a73bb892 PK |
1283 | /* Return a gdb.Field object for the field named by the argument. */ |
1284 | ||
1285 | static PyObject * | |
1286 | typy_getitem (PyObject *self, PyObject *key) | |
1287 | { | |
1288 | struct type *type = ((type_object *) self)->type; | |
1289 | char *field; | |
1290 | int i; | |
76dce0be | 1291 | |
a73bb892 PK |
1292 | field = python_string_to_host_string (key); |
1293 | if (field == NULL) | |
1294 | return NULL; | |
1295 | ||
1296 | /* We want just fields of this type, not of base types, so instead of | |
1297 | using lookup_struct_elt_type, portions of that function are | |
1298 | copied here. */ | |
1299 | ||
9cc10fd1 PK |
1300 | type = typy_get_composite (type); |
1301 | if (type == NULL) | |
1302 | return NULL; | |
1303 | ||
a73bb892 PK |
1304 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
1305 | { | |
0d5cff50 | 1306 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 PK |
1307 | |
1308 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1309 | { | |
1310 | return convert_field (type, i); | |
1311 | } | |
1312 | } | |
1313 | PyErr_SetObject (PyExc_KeyError, key); | |
1314 | return NULL; | |
1315 | } | |
1316 | ||
1317 | /* Implement the "get" method on the type object. This is the | |
1318 | same as getitem if the key is present, but returns the supplied | |
1319 | default value or None if the key is not found. */ | |
1320 | ||
1321 | static PyObject * | |
1322 | typy_get (PyObject *self, PyObject *args) | |
1323 | { | |
1324 | PyObject *key, *defval = Py_None, *result; | |
1325 | ||
1326 | if (!PyArg_UnpackTuple (args, "get", 1, 2, &key, &defval)) | |
1327 | return NULL; | |
1328 | ||
1329 | result = typy_getitem (self, key); | |
1330 | if (result != NULL) | |
1331 | return result; | |
1332 | ||
1333 | /* typy_getitem returned error status. If the exception is | |
1334 | KeyError, clear the exception status and return the defval | |
1335 | instead. Otherwise return the exception unchanged. */ | |
1336 | if (!PyErr_ExceptionMatches (PyExc_KeyError)) | |
1337 | return NULL; | |
1338 | ||
1339 | PyErr_Clear (); | |
1340 | Py_INCREF (defval); | |
1341 | return defval; | |
1342 | } | |
1343 | ||
1344 | /* Implement the "has_key" method on the type object. */ | |
1345 | ||
1346 | static PyObject * | |
1347 | typy_has_key (PyObject *self, PyObject *args) | |
1348 | { | |
1349 | struct type *type = ((type_object *) self)->type; | |
2ff6b080 | 1350 | const char *field; |
a73bb892 | 1351 | int i; |
76dce0be | 1352 | |
a73bb892 PK |
1353 | if (!PyArg_ParseTuple (args, "s", &field)) |
1354 | return NULL; | |
1355 | ||
1356 | /* We want just fields of this type, not of base types, so instead of | |
1357 | using lookup_struct_elt_type, portions of that function are | |
1358 | copied here. */ | |
1359 | ||
9cc10fd1 PK |
1360 | type = typy_get_composite (type); |
1361 | if (type == NULL) | |
1362 | return NULL; | |
a73bb892 PK |
1363 | |
1364 | for (i = 0; i < TYPE_NFIELDS (type); i++) | |
1365 | { | |
0d5cff50 | 1366 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 PK |
1367 | |
1368 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1369 | Py_RETURN_TRUE; | |
1370 | } | |
1371 | Py_RETURN_FALSE; | |
1372 | } | |
1373 | ||
1374 | /* Make an iterator object to iterate over keys, values, or items. */ | |
1375 | ||
1376 | static PyObject * | |
1377 | typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind) | |
1378 | { | |
1379 | typy_iterator_object *typy_iter_obj; | |
1380 | ||
9cc10fd1 PK |
1381 | /* Check that "self" is a structure or union type. */ |
1382 | if (typy_get_composite (((type_object *) self)->type) == NULL) | |
1383 | return NULL; | |
1384 | ||
a73bb892 PK |
1385 | typy_iter_obj = PyObject_New (typy_iterator_object, |
1386 | &type_iterator_object_type); | |
1387 | if (typy_iter_obj == NULL) | |
1388 | return NULL; | |
1389 | ||
1390 | typy_iter_obj->field = 0; | |
1391 | typy_iter_obj->kind = kind; | |
1392 | Py_INCREF (self); | |
1393 | typy_iter_obj->source = (type_object *) self; | |
1394 | ||
1395 | return (PyObject *) typy_iter_obj; | |
1396 | } | |
1397 | ||
1398 | /* iteritems() method. */ | |
1399 | ||
1400 | static PyObject * | |
1401 | typy_iteritems (PyObject *self, PyObject *args) | |
1402 | { | |
1403 | return typy_make_iter (self, iter_items); | |
1404 | } | |
1405 | ||
1406 | /* iterkeys() method. */ | |
1407 | ||
1408 | static PyObject * | |
1409 | typy_iterkeys (PyObject *self, PyObject *args) | |
1410 | { | |
1411 | return typy_make_iter (self, iter_keys); | |
1412 | } | |
1413 | ||
1414 | /* Iterating over the class, same as iterkeys except for the function | |
1415 | signature. */ | |
1416 | ||
1417 | static PyObject * | |
1418 | typy_iter (PyObject *self) | |
1419 | { | |
1420 | return typy_make_iter (self, iter_keys); | |
1421 | } | |
1422 | ||
1423 | /* itervalues() method. */ | |
1424 | ||
1425 | static PyObject * | |
1426 | typy_itervalues (PyObject *self, PyObject *args) | |
1427 | { | |
1428 | return typy_make_iter (self, iter_values); | |
1429 | } | |
1430 | ||
1431 | /* Return a reference to the type iterator. */ | |
1432 | ||
1433 | static PyObject * | |
1434 | typy_iterator_iter (PyObject *self) | |
1435 | { | |
1436 | Py_INCREF (self); | |
1437 | return self; | |
1438 | } | |
1439 | ||
1440 | /* Return the next field in the iteration through the list of fields | |
1441 | of the type. */ | |
1442 | ||
1443 | static PyObject * | |
1444 | typy_iterator_iternext (PyObject *self) | |
1445 | { | |
1446 | typy_iterator_object *iter_obj = (typy_iterator_object *) self; | |
1447 | struct type *type = iter_obj->source->type; | |
a73bb892 PK |
1448 | PyObject *result; |
1449 | ||
1450 | if (iter_obj->field < TYPE_NFIELDS (type)) | |
1451 | { | |
1452 | result = make_fielditem (type, iter_obj->field, iter_obj->kind); | |
1453 | if (result != NULL) | |
1454 | iter_obj->field++; | |
1455 | return result; | |
1456 | } | |
1457 | ||
1458 | return NULL; | |
1459 | } | |
1460 | ||
1461 | static void | |
1462 | typy_iterator_dealloc (PyObject *obj) | |
1463 | { | |
1464 | typy_iterator_object *iter_obj = (typy_iterator_object *) obj; | |
1465 | ||
1466 | Py_DECREF (iter_obj->source); | |
1467 | } | |
1468 | ||
2c74e833 TT |
1469 | /* Create a new Type referring to TYPE. */ |
1470 | PyObject * | |
1471 | type_to_type_object (struct type *type) | |
1472 | { | |
1473 | type_object *type_obj; | |
1474 | ||
1475 | type_obj = PyObject_New (type_object, &type_object_type); | |
1476 | if (type_obj) | |
1477 | set_type (type_obj, type); | |
1478 | ||
1479 | return (PyObject *) type_obj; | |
1480 | } | |
1481 | ||
1482 | struct type * | |
1483 | type_object_to_type (PyObject *obj) | |
1484 | { | |
1485 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1486 | return NULL; | |
1487 | return ((type_object *) obj)->type; | |
1488 | } | |
1489 | ||
1490 | \f | |
1491 | ||
1492 | /* Implementation of gdb.lookup_type. */ | |
1493 | PyObject * | |
1494 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1495 | { | |
5107b149 | 1496 | static char *keywords[] = { "name", "block", NULL }; |
ddd49eee | 1497 | const char *type_name = NULL; |
2c74e833 | 1498 | struct type *type = NULL; |
5107b149 | 1499 | PyObject *block_obj = NULL; |
9df2fbc4 | 1500 | const struct block *block = NULL; |
2c74e833 | 1501 | |
5107b149 PM |
1502 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1503 | &type_name, &block_obj)) | |
2c74e833 TT |
1504 | return NULL; |
1505 | ||
5107b149 PM |
1506 | if (block_obj) |
1507 | { | |
1508 | block = block_object_to_block (block_obj); | |
1509 | if (! block) | |
1510 | { | |
1511 | PyErr_SetString (PyExc_RuntimeError, | |
1512 | _("'block' argument must be a Block.")); | |
1513 | return NULL; | |
1514 | } | |
1515 | } | |
1516 | ||
1517 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1518 | if (! type) |
1519 | return NULL; | |
1520 | ||
1521 | return (PyObject *) type_to_type_object (type); | |
1522 | } | |
1523 | ||
999633ed | 1524 | int |
2c74e833 TT |
1525 | gdbpy_initialize_types (void) |
1526 | { | |
1527 | int i; | |
1528 | ||
1529 | typy_objfile_data_key | |
c1bd65d0 | 1530 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); |
2c74e833 TT |
1531 | |
1532 | if (PyType_Ready (&type_object_type) < 0) | |
999633ed | 1533 | return -1; |
2c74e833 | 1534 | if (PyType_Ready (&field_object_type) < 0) |
999633ed | 1535 | return -1; |
a73bb892 | 1536 | if (PyType_Ready (&type_iterator_object_type) < 0) |
999633ed | 1537 | return -1; |
2c74e833 TT |
1538 | |
1539 | for (i = 0; pyty_codes[i].name; ++i) | |
1540 | { | |
1541 | if (PyModule_AddIntConstant (gdb_module, | |
1542 | /* Cast needed for Python 2.4. */ | |
1543 | (char *) pyty_codes[i].name, | |
1544 | pyty_codes[i].code) < 0) | |
999633ed | 1545 | return -1; |
2c74e833 TT |
1546 | } |
1547 | ||
aa36459a TT |
1548 | if (gdb_pymodule_addobject (gdb_module, "Type", |
1549 | (PyObject *) &type_object_type) < 0) | |
999633ed | 1550 | return -1; |
2c74e833 | 1551 | |
aa36459a TT |
1552 | if (gdb_pymodule_addobject (gdb_module, "TypeIterator", |
1553 | (PyObject *) &type_iterator_object_type) < 0) | |
999633ed | 1554 | return -1; |
a73bb892 | 1555 | |
aa36459a TT |
1556 | return gdb_pymodule_addobject (gdb_module, "Field", |
1557 | (PyObject *) &field_object_type); | |
2c74e833 TT |
1558 | } |
1559 | ||
1560 | \f | |
1561 | ||
1562 | static PyGetSetDef type_object_getset[] = | |
1563 | { | |
1564 | { "code", typy_get_code, NULL, | |
1565 | "The code for this type.", NULL }, | |
1566 | { "sizeof", typy_get_sizeof, NULL, | |
1567 | "The size of this type, in bytes.", NULL }, | |
1568 | { "tag", typy_get_tag, NULL, | |
1569 | "The tag name for this type, or None.", NULL }, | |
1570 | { NULL } | |
1571 | }; | |
1572 | ||
1573 | static PyMethodDef type_object_methods[] = | |
1574 | { | |
702c2711 | 1575 | { "array", typy_array, METH_VARARGS, |
f28c316a DE |
1576 | "array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ |
1577 | Return a type which represents an array of objects of this type.\n\ | |
1578 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1579 | If LOW_BOUND is omitted, a value of zero is used." }, | |
a72c3253 DE |
1580 | { "vector", typy_vector, METH_VARARGS, |
1581 | "vector ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ | |
1582 | Return a type which represents a vector of objects of this type.\n\ | |
1583 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1584 | If LOW_BOUND is omitted, a value of zero is used.\n\ | |
1585 | Vectors differ from arrays in that if the current language has C-style\n\ | |
1586 | arrays, vectors don't decay to a pointer to the first element.\n\ | |
1587 | They are first class values." }, | |
a73bb892 PK |
1588 | { "__contains__", typy_has_key, METH_VARARGS, |
1589 | "T.__contains__(k) -> True if T has a field named k, else False" }, | |
2c74e833 TT |
1590 | { "const", typy_const, METH_NOARGS, |
1591 | "const () -> Type\n\ | |
1592 | Return a const variant of this type." }, | |
1593 | { "fields", typy_fields, METH_NOARGS, | |
a73bb892 PK |
1594 | "fields () -> list\n\ |
1595 | Return a list holding all the fields of this type.\n\ | |
1596 | Each field is a gdb.Field object." }, | |
1597 | { "get", typy_get, METH_VARARGS, | |
1598 | "T.get(k[,default]) -> returns field named k in T, if it exists;\n\ | |
1599 | otherwise returns default, if supplied, or None if not." }, | |
1600 | { "has_key", typy_has_key, METH_VARARGS, | |
1601 | "T.has_key(k) -> True if T has a field named k, else False" }, | |
1602 | { "items", typy_items, METH_NOARGS, | |
1603 | "items () -> list\n\ | |
1604 | Return a list of (name, field) pairs of this type.\n\ | |
1605 | Each field is a gdb.Field object." }, | |
1606 | { "iteritems", typy_iteritems, METH_NOARGS, | |
1607 | "iteritems () -> an iterator over the (name, field)\n\ | |
1608 | pairs of this type. Each field is a gdb.Field object." }, | |
1609 | { "iterkeys", typy_iterkeys, METH_NOARGS, | |
1610 | "iterkeys () -> an iterator over the field names of this type." }, | |
1611 | { "itervalues", typy_itervalues, METH_NOARGS, | |
1612 | "itervalues () -> an iterator over the fields of this type.\n\ | |
1613 | Each field is a gdb.Field object." }, | |
1614 | { "keys", typy_field_names, METH_NOARGS, | |
1615 | "keys () -> list\n\ | |
1616 | Return a list holding all the fields names of this type." }, | |
2c74e833 TT |
1617 | { "pointer", typy_pointer, METH_NOARGS, |
1618 | "pointer () -> Type\n\ | |
1619 | Return a type of pointer to this type." }, | |
361ae042 PM |
1620 | { "range", typy_range, METH_NOARGS, |
1621 | "range () -> tuple\n\ | |
1622 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1623 | { "reference", typy_reference, METH_NOARGS, |
1624 | "reference () -> Type\n\ | |
1625 | Return a type of reference to this type." }, | |
1626 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1627 | "strip_typedefs () -> Type\n\ | |
1628 | Return a type formed by stripping this type of all typedefs."}, | |
1629 | { "target", typy_target, METH_NOARGS, | |
1630 | "target () -> Type\n\ | |
1631 | Return the target type of this type." }, | |
1632 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1633 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1634 | Return the type of a template argument." }, |
1635 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1636 | "unqualified () -> Type\n\ | |
1637 | Return a variant of this type without const or volatile attributes." }, | |
9cc10fd1 | 1638 | { "values", typy_values, METH_NOARGS, |
a73bb892 PK |
1639 | "values () -> list\n\ |
1640 | Return a list holding all the fields of this type.\n\ | |
1641 | Each field is a gdb.Field object." }, | |
2c74e833 TT |
1642 | { "volatile", typy_volatile, METH_NOARGS, |
1643 | "volatile () -> Type\n\ | |
1644 | Return a volatile variant of this type" }, | |
1645 | { NULL } | |
1646 | }; | |
1647 | ||
9cc10fd1 PK |
1648 | static PyNumberMethods type_object_as_number = { |
1649 | NULL, /* nb_add */ | |
1650 | NULL, /* nb_subtract */ | |
1651 | NULL, /* nb_multiply */ | |
9a27f2c6 | 1652 | #ifndef IS_PY3K |
9cc10fd1 | 1653 | NULL, /* nb_divide */ |
9a27f2c6 | 1654 | #endif |
9cc10fd1 PK |
1655 | NULL, /* nb_remainder */ |
1656 | NULL, /* nb_divmod */ | |
1657 | NULL, /* nb_power */ | |
1658 | NULL, /* nb_negative */ | |
1659 | NULL, /* nb_positive */ | |
1660 | NULL, /* nb_absolute */ | |
1661 | typy_nonzero, /* nb_nonzero */ | |
1662 | NULL, /* nb_invert */ | |
1663 | NULL, /* nb_lshift */ | |
1664 | NULL, /* nb_rshift */ | |
1665 | NULL, /* nb_and */ | |
1666 | NULL, /* nb_xor */ | |
1667 | NULL, /* nb_or */ | |
9a27f2c6 PK |
1668 | #ifdef IS_PY3K |
1669 | NULL, /* nb_int */ | |
1670 | NULL, /* reserved */ | |
1671 | #else | |
9cc10fd1 PK |
1672 | NULL, /* nb_coerce */ |
1673 | NULL, /* nb_int */ | |
1674 | NULL, /* nb_long */ | |
9a27f2c6 | 1675 | #endif |
9cc10fd1 | 1676 | NULL, /* nb_float */ |
9a27f2c6 | 1677 | #ifndef IS_PY3K |
9cc10fd1 PK |
1678 | NULL, /* nb_oct */ |
1679 | NULL /* nb_hex */ | |
9a27f2c6 | 1680 | #endif |
9cc10fd1 PK |
1681 | }; |
1682 | ||
a73bb892 PK |
1683 | static PyMappingMethods typy_mapping = { |
1684 | typy_length, | |
1685 | typy_getitem, | |
1686 | NULL /* no "set" method */ | |
1687 | }; | |
1688 | ||
2c74e833 TT |
1689 | static PyTypeObject type_object_type = |
1690 | { | |
9a27f2c6 | 1691 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
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 | { | |
9a27f2c6 | 1740 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1741 | "gdb.Field", /*tp_name*/ |
1742 | sizeof (field_object), /*tp_basicsize*/ | |
1743 | 0, /*tp_itemsize*/ | |
1744 | field_dealloc, /*tp_dealloc*/ | |
1745 | 0, /*tp_print*/ | |
1746 | 0, /*tp_getattr*/ | |
1747 | 0, /*tp_setattr*/ | |
1748 | 0, /*tp_compare*/ | |
1749 | 0, /*tp_repr*/ | |
1750 | 0, /*tp_as_number*/ | |
1751 | 0, /*tp_as_sequence*/ | |
1752 | 0, /*tp_as_mapping*/ | |
1753 | 0, /*tp_hash */ | |
1754 | 0, /*tp_call*/ | |
1755 | 0, /*tp_str*/ | |
1756 | 0, /*tp_getattro*/ | |
1757 | 0, /*tp_setattro*/ | |
1758 | 0, /*tp_as_buffer*/ | |
1759 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1760 | "GDB field object", /* tp_doc */ | |
1761 | 0, /* tp_traverse */ | |
1762 | 0, /* tp_clear */ | |
1763 | 0, /* tp_richcompare */ | |
1764 | 0, /* tp_weaklistoffset */ | |
1765 | 0, /* tp_iter */ | |
1766 | 0, /* tp_iternext */ | |
1767 | 0, /* tp_methods */ | |
1768 | 0, /* tp_members */ | |
2e8265fd | 1769 | field_object_getset, /* tp_getset */ |
2c74e833 TT |
1770 | 0, /* tp_base */ |
1771 | 0, /* tp_dict */ | |
1772 | 0, /* tp_descr_get */ | |
1773 | 0, /* tp_descr_set */ | |
1774 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1775 | 0, /* tp_init */ | |
1776 | 0, /* tp_alloc */ | |
1777 | 0, /* tp_new */ | |
1778 | }; | |
a73bb892 PK |
1779 | |
1780 | static PyTypeObject type_iterator_object_type = { | |
9a27f2c6 | 1781 | PyVarObject_HEAD_INIT (NULL, 0) |
a73bb892 PK |
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 | }; |