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2c74e833 TT |
1 | /* Python interface to types. |
2 | ||
ecd75fc8 | 3 | Copyright (C) 2008-2014 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 | 30 | #include "vec.h" |
53342f27 | 31 | #include "typeprint.h" |
2c74e833 TT |
32 | |
33 | typedef struct pyty_type_object | |
34 | { | |
35 | PyObject_HEAD | |
36 | struct type *type; | |
37 | ||
38 | /* If a Type object is associated with an objfile, it is kept on a | |
39 | doubly-linked list, rooted in the objfile. This lets us copy the | |
40 | underlying struct type when the objfile is deleted. */ | |
41 | struct pyty_type_object *prev; | |
42 | struct pyty_type_object *next; | |
43 | } type_object; | |
44 | ||
62eec1a5 TT |
45 | static PyTypeObject type_object_type |
46 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("type_object"); | |
2c74e833 TT |
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 | ||
62eec1a5 TT |
57 | static PyTypeObject field_object_type |
58 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("field_object"); | |
2c74e833 | 59 | |
a73bb892 PK |
60 | /* A type iterator object. */ |
61 | typedef struct { | |
62 | PyObject_HEAD | |
63 | /* The current field index. */ | |
64 | int field; | |
65 | /* What to return. */ | |
66 | enum gdbpy_iter_kind kind; | |
67 | /* Pointer back to the original source type object. */ | |
68 | struct pyty_type_object *source; | |
69 | } typy_iterator_object; | |
70 | ||
62eec1a5 TT |
71 | static PyTypeObject type_iterator_object_type |
72 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("typy_iterator_object"); | |
a73bb892 | 73 | |
2c74e833 TT |
74 | /* This is used to initialize various gdb.TYPE_ constants. */ |
75 | struct pyty_code | |
76 | { | |
77 | /* The code. */ | |
78 | enum type_code code; | |
79 | /* The name. */ | |
80 | const char *name; | |
81 | }; | |
82 | ||
0dab82e9 PK |
83 | /* Forward declarations. */ |
84 | static PyObject *typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind); | |
85 | ||
2c74e833 TT |
86 | #define ENTRY(X) { X, #X } |
87 | ||
88 | static struct pyty_code pyty_codes[] = | |
89 | { | |
6b1755ce | 90 | ENTRY (TYPE_CODE_BITSTRING), |
2c74e833 TT |
91 | ENTRY (TYPE_CODE_PTR), |
92 | ENTRY (TYPE_CODE_ARRAY), | |
93 | ENTRY (TYPE_CODE_STRUCT), | |
94 | ENTRY (TYPE_CODE_UNION), | |
95 | ENTRY (TYPE_CODE_ENUM), | |
96 | ENTRY (TYPE_CODE_FLAGS), | |
97 | ENTRY (TYPE_CODE_FUNC), | |
98 | ENTRY (TYPE_CODE_INT), | |
99 | ENTRY (TYPE_CODE_FLT), | |
100 | ENTRY (TYPE_CODE_VOID), | |
101 | ENTRY (TYPE_CODE_SET), | |
102 | ENTRY (TYPE_CODE_RANGE), | |
103 | ENTRY (TYPE_CODE_STRING), | |
2c74e833 TT |
104 | ENTRY (TYPE_CODE_ERROR), |
105 | ENTRY (TYPE_CODE_METHOD), | |
106 | ENTRY (TYPE_CODE_METHODPTR), | |
107 | ENTRY (TYPE_CODE_MEMBERPTR), | |
108 | ENTRY (TYPE_CODE_REF), | |
109 | ENTRY (TYPE_CODE_CHAR), | |
110 | ENTRY (TYPE_CODE_BOOL), | |
111 | ENTRY (TYPE_CODE_COMPLEX), | |
112 | ENTRY (TYPE_CODE_TYPEDEF), | |
113 | ENTRY (TYPE_CODE_NAMESPACE), | |
114 | ENTRY (TYPE_CODE_DECFLOAT), | |
115 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
116 | { TYPE_CODE_UNDEF, NULL } | |
117 | }; | |
118 | ||
119 | \f | |
120 | ||
121 | static void | |
122 | field_dealloc (PyObject *obj) | |
123 | { | |
124 | field_object *f = (field_object *) obj; | |
d59b6f6c | 125 | |
2c74e833 | 126 | Py_XDECREF (f->dict); |
9a27f2c6 | 127 | Py_TYPE (obj)->tp_free (obj); |
2c74e833 TT |
128 | } |
129 | ||
130 | static PyObject * | |
131 | field_new (void) | |
132 | { | |
133 | field_object *result = PyObject_New (field_object, &field_object_type); | |
d59b6f6c | 134 | |
2c74e833 TT |
135 | if (result) |
136 | { | |
137 | result->dict = PyDict_New (); | |
138 | if (!result->dict) | |
139 | { | |
140 | Py_DECREF (result); | |
141 | result = NULL; | |
142 | } | |
143 | } | |
144 | return (PyObject *) result; | |
145 | } | |
146 | ||
147 | \f | |
148 | ||
a16b0e22 SC |
149 | /* Return true if OBJ is of type gdb.Field, false otherwise. */ |
150 | ||
151 | int | |
152 | gdbpy_is_field (PyObject *obj) | |
153 | { | |
154 | return PyObject_TypeCheck (obj, &field_object_type); | |
155 | } | |
156 | ||
2c74e833 TT |
157 | /* Return the code for this type. */ |
158 | static PyObject * | |
159 | typy_get_code (PyObject *self, void *closure) | |
160 | { | |
161 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 162 | |
2c74e833 TT |
163 | return PyInt_FromLong (TYPE_CODE (type)); |
164 | } | |
165 | ||
166 | /* Helper function for typy_fields which converts a single field to a | |
a73bb892 PK |
167 | gdb.Field object. Returns NULL on error. */ |
168 | ||
2c74e833 TT |
169 | static PyObject * |
170 | convert_field (struct type *type, int field) | |
171 | { | |
172 | PyObject *result = field_new (); | |
173 | PyObject *arg; | |
174 | ||
175 | if (!result) | |
176 | return NULL; | |
177 | ||
a16b0e22 SC |
178 | arg = type_to_type_object (type); |
179 | if (arg == NULL) | |
180 | goto fail; | |
181 | if (PyObject_SetAttrString (result, "parent_type", arg) < 0) | |
182 | goto failarg; | |
183 | Py_DECREF (arg); | |
184 | ||
2c74e833 TT |
185 | if (!field_is_static (&TYPE_FIELD (type, field))) |
186 | { | |
14e75d8e JK |
187 | const char *attrstring; |
188 | ||
189 | if (TYPE_CODE (type) == TYPE_CODE_ENUM) | |
190 | { | |
191 | arg = gdb_py_long_from_longest (TYPE_FIELD_ENUMVAL (type, field)); | |
192 | attrstring = "enumval"; | |
193 | } | |
194 | else | |
195 | { | |
200bc880 | 196 | arg = gdb_py_long_from_longest (TYPE_FIELD_BITPOS (type, field)); |
14e75d8e JK |
197 | attrstring = "bitpos"; |
198 | } | |
199 | ||
2c74e833 TT |
200 | if (!arg) |
201 | goto fail; | |
202 | ||
4fb2c64a JK |
203 | /* At least python-2.4 had the second parameter non-const. */ |
204 | if (PyObject_SetAttrString (result, (char *) attrstring, arg) < 0) | |
2c74e833 | 205 | goto failarg; |
db6573d6 | 206 | Py_DECREF (arg); |
2c74e833 TT |
207 | } |
208 | ||
b5b08fb4 | 209 | arg = NULL; |
2c74e833 | 210 | if (TYPE_FIELD_NAME (type, field)) |
b5b08fb4 SC |
211 | { |
212 | const char *field_name = TYPE_FIELD_NAME (type, field); | |
a8f35c2e | 213 | |
b5b08fb4 SC |
214 | if (field_name[0] != '\0') |
215 | { | |
216 | arg = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
217 | if (arg == NULL) | |
218 | goto fail; | |
219 | } | |
220 | } | |
221 | if (arg == NULL) | |
2c74e833 TT |
222 | { |
223 | arg = Py_None; | |
224 | Py_INCREF (arg); | |
225 | } | |
2c74e833 TT |
226 | if (PyObject_SetAttrString (result, "name", arg) < 0) |
227 | goto failarg; | |
db6573d6 | 228 | Py_DECREF (arg); |
2c74e833 TT |
229 | |
230 | arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False; | |
231 | Py_INCREF (arg); | |
232 | if (PyObject_SetAttrString (result, "artificial", arg) < 0) | |
233 | goto failarg; | |
db6573d6 | 234 | Py_DECREF (arg); |
2c74e833 | 235 | |
bfd31e71 PM |
236 | if (TYPE_CODE (type) == TYPE_CODE_CLASS) |
237 | arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False; | |
238 | else | |
239 | arg = Py_False; | |
240 | Py_INCREF (arg); | |
241 | if (PyObject_SetAttrString (result, "is_base_class", arg) < 0) | |
242 | goto failarg; | |
db6573d6 | 243 | Py_DECREF (arg); |
bfd31e71 | 244 | |
2c74e833 TT |
245 | arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field)); |
246 | if (!arg) | |
247 | goto fail; | |
248 | if (PyObject_SetAttrString (result, "bitsize", arg) < 0) | |
249 | goto failarg; | |
db6573d6 | 250 | Py_DECREF (arg); |
2c74e833 TT |
251 | |
252 | /* A field can have a NULL type in some situations. */ | |
253 | if (TYPE_FIELD_TYPE (type, field) == NULL) | |
254 | { | |
255 | arg = Py_None; | |
256 | Py_INCREF (arg); | |
257 | } | |
258 | else | |
259 | arg = type_to_type_object (TYPE_FIELD_TYPE (type, field)); | |
260 | if (!arg) | |
261 | goto fail; | |
262 | if (PyObject_SetAttrString (result, "type", arg) < 0) | |
263 | goto failarg; | |
db6573d6 | 264 | Py_DECREF (arg); |
2c74e833 TT |
265 | |
266 | return result; | |
267 | ||
268 | failarg: | |
269 | Py_DECREF (arg); | |
270 | fail: | |
271 | Py_DECREF (result); | |
272 | return NULL; | |
273 | } | |
274 | ||
a73bb892 PK |
275 | /* Helper function to return the name of a field, as a gdb.Field object. |
276 | If the field doesn't have a name, None is returned. */ | |
277 | ||
2c74e833 | 278 | static PyObject * |
a73bb892 | 279 | field_name (struct type *type, int field) |
2c74e833 TT |
280 | { |
281 | PyObject *result; | |
a73bb892 PK |
282 | |
283 | if (TYPE_FIELD_NAME (type, field)) | |
284 | result = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
285 | else | |
286 | { | |
287 | result = Py_None; | |
288 | Py_INCREF (result); | |
289 | } | |
290 | return result; | |
291 | } | |
292 | ||
293 | /* Helper function for Type standard mapping methods. Returns a | |
294 | Python object for field i of the type. "kind" specifies what to | |
295 | return: the name of the field, a gdb.Field object corresponding to | |
296 | the field, or a tuple consisting of field name and gdb.Field | |
297 | object. */ | |
298 | ||
299 | static PyObject * | |
300 | make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind) | |
301 | { | |
302 | PyObject *item = NULL, *key = NULL, *value = NULL; | |
303 | ||
304 | switch (kind) | |
305 | { | |
306 | case iter_items: | |
307 | key = field_name (type, i); | |
308 | if (key == NULL) | |
309 | goto fail; | |
310 | value = convert_field (type, i); | |
311 | if (value == NULL) | |
312 | goto fail; | |
313 | item = PyTuple_New (2); | |
314 | if (item == NULL) | |
315 | goto fail; | |
316 | PyTuple_SET_ITEM (item, 0, key); | |
317 | PyTuple_SET_ITEM (item, 1, value); | |
318 | break; | |
319 | case iter_keys: | |
320 | item = field_name (type, i); | |
321 | break; | |
322 | case iter_values: | |
323 | item = convert_field (type, i); | |
324 | break; | |
0d3a2e8a TT |
325 | default: |
326 | gdb_assert_not_reached ("invalid gdbpy_iter_kind"); | |
a73bb892 PK |
327 | } |
328 | return item; | |
256458bc | 329 | |
a73bb892 PK |
330 | fail: |
331 | Py_XDECREF (key); | |
332 | Py_XDECREF (value); | |
333 | Py_XDECREF (item); | |
334 | return NULL; | |
335 | } | |
336 | ||
337 | /* Return a sequence of all field names, fields, or (name, field) pairs. | |
338 | Each field is a gdb.Field object. */ | |
339 | ||
340 | static PyObject * | |
341 | typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind) | |
342 | { | |
f6b47be4 | 343 | PyObject *py_type = self; |
0dab82e9 | 344 | PyObject *result = NULL, *iter = NULL; |
f6b47be4 DE |
345 | volatile struct gdb_exception except; |
346 | struct type *type = ((type_object *) py_type)->type; | |
347 | struct type *checked_type = type; | |
348 | ||
349 | TRY_CATCH (except, RETURN_MASK_ALL) | |
350 | { | |
351 | CHECK_TYPEDEF (checked_type); | |
352 | } | |
353 | GDB_PY_HANDLE_EXCEPTION (except); | |
354 | ||
355 | if (checked_type != type) | |
356 | py_type = type_to_type_object (checked_type); | |
357 | iter = typy_make_iter (py_type, kind); | |
358 | if (checked_type != type) | |
359 | { | |
360 | /* Need to wrap this in braces because Py_DECREF isn't wrapped | |
361 | in a do{}while(0). */ | |
362 | Py_DECREF (py_type); | |
363 | } | |
364 | if (iter != NULL) | |
365 | { | |
366 | result = PySequence_List (iter); | |
367 | Py_DECREF (iter); | |
368 | } | |
369 | ||
2c74e833 | 370 | return result; |
a73bb892 PK |
371 | } |
372 | ||
373 | /* Return a sequence of all fields. Each field is a gdb.Field object. */ | |
374 | ||
375 | static PyObject * | |
9cc10fd1 | 376 | typy_values (PyObject *self, PyObject *args) |
a73bb892 PK |
377 | { |
378 | return typy_fields_items (self, iter_values); | |
379 | } | |
380 | ||
9cc10fd1 | 381 | /* Return a sequence of all fields. Each field is a gdb.Field object. |
256458bc | 382 | This method is similar to typy_values, except where the supplied |
9cc10fd1 PK |
383 | gdb.Type is an array, in which case it returns a list of one entry |
384 | which is a gdb.Field object for a range (the array bounds). */ | |
385 | ||
386 | static PyObject * | |
387 | typy_fields (PyObject *self, PyObject *args) | |
388 | { | |
389 | struct type *type = ((type_object *) self)->type; | |
390 | PyObject *r, *rl; | |
256458bc | 391 | |
9cc10fd1 PK |
392 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY) |
393 | return typy_fields_items (self, iter_values); | |
394 | ||
395 | /* Array type. Handle this as a special case because the common | |
396 | machinery wants struct or union or enum types. Build a list of | |
397 | one entry which is the range for the array. */ | |
398 | r = convert_field (type, 0); | |
399 | if (r == NULL) | |
400 | return NULL; | |
256458bc | 401 | |
9cc10fd1 | 402 | rl = Py_BuildValue ("[O]", r); |
53e66479 | 403 | Py_DECREF (r); |
9cc10fd1 PK |
404 | |
405 | return rl; | |
406 | } | |
407 | ||
a73bb892 PK |
408 | /* Return a sequence of all field names. Each field is a gdb.Field object. */ |
409 | ||
410 | static PyObject * | |
411 | typy_field_names (PyObject *self, PyObject *args) | |
412 | { | |
413 | return typy_fields_items (self, iter_keys); | |
414 | } | |
415 | ||
256458bc | 416 | /* Return a sequence of all (name, fields) pairs. Each field is a |
a73bb892 PK |
417 | gdb.Field object. */ |
418 | ||
419 | static PyObject * | |
420 | typy_items (PyObject *self, PyObject *args) | |
421 | { | |
422 | return typy_fields_items (self, iter_items); | |
2c74e833 TT |
423 | } |
424 | ||
c0d48811 JB |
425 | /* Return the type's name, or None. */ |
426 | ||
427 | static PyObject * | |
428 | typy_get_name (PyObject *self, void *closure) | |
429 | { | |
430 | struct type *type = ((type_object *) self)->type; | |
431 | ||
432 | if (TYPE_NAME (type) == NULL) | |
433 | Py_RETURN_NONE; | |
434 | return PyString_FromString (TYPE_NAME (type)); | |
435 | } | |
436 | ||
2c74e833 TT |
437 | /* Return the type's tag, or None. */ |
438 | static PyObject * | |
439 | typy_get_tag (PyObject *self, void *closure) | |
440 | { | |
441 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 442 | |
2c74e833 TT |
443 | if (!TYPE_TAG_NAME (type)) |
444 | Py_RETURN_NONE; | |
445 | return PyString_FromString (TYPE_TAG_NAME (type)); | |
446 | } | |
447 | ||
448 | /* Return the type, stripped of typedefs. */ | |
449 | static PyObject * | |
450 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
451 | { | |
452 | struct type *type = ((type_object *) self)->type; | |
5d9c5995 PM |
453 | volatile struct gdb_exception except; |
454 | ||
455 | TRY_CATCH (except, RETURN_MASK_ALL) | |
456 | { | |
457 | type = check_typedef (type); | |
458 | } | |
459 | GDB_PY_HANDLE_EXCEPTION (except); | |
2c74e833 | 460 | |
bc9abe4a | 461 | return type_to_type_object (type); |
2c74e833 TT |
462 | } |
463 | ||
9cc10fd1 PK |
464 | /* Strip typedefs and pointers/reference from a type. Then check that |
465 | it is a struct, union, or enum type. If not, raise TypeError. */ | |
466 | ||
467 | static struct type * | |
468 | typy_get_composite (struct type *type) | |
469 | { | |
470 | volatile struct gdb_exception except; | |
471 | ||
472 | for (;;) | |
473 | { | |
474 | TRY_CATCH (except, RETURN_MASK_ALL) | |
475 | { | |
476 | CHECK_TYPEDEF (type); | |
477 | } | |
56cc411c | 478 | GDB_PY_HANDLE_EXCEPTION (except); |
9cc10fd1 PK |
479 | |
480 | if (TYPE_CODE (type) != TYPE_CODE_PTR | |
481 | && TYPE_CODE (type) != TYPE_CODE_REF) | |
482 | break; | |
483 | type = TYPE_TARGET_TYPE (type); | |
484 | } | |
485 | ||
486 | /* If this is not a struct, union, or enum type, raise TypeError | |
487 | exception. */ | |
256458bc | 488 | if (TYPE_CODE (type) != TYPE_CODE_STRUCT |
9cc10fd1 PK |
489 | && TYPE_CODE (type) != TYPE_CODE_UNION |
490 | && TYPE_CODE (type) != TYPE_CODE_ENUM) | |
491 | { | |
492 | PyErr_SetString (PyExc_TypeError, | |
493 | "Type is not a structure, union, or enum type."); | |
494 | return NULL; | |
495 | } | |
256458bc | 496 | |
9cc10fd1 PK |
497 | return type; |
498 | } | |
499 | ||
a72c3253 | 500 | /* Helper for typy_array and typy_vector. */ |
702c2711 TT |
501 | |
502 | static PyObject * | |
a72c3253 | 503 | typy_array_1 (PyObject *self, PyObject *args, int is_vector) |
702c2711 | 504 | { |
74aedc46 | 505 | long n1, n2; |
702c2711 TT |
506 | PyObject *n2_obj = NULL; |
507 | struct type *array = NULL; | |
508 | struct type *type = ((type_object *) self)->type; | |
509 | volatile struct gdb_exception except; | |
510 | ||
74aedc46 | 511 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
512 | return NULL; |
513 | ||
514 | if (n2_obj) | |
515 | { | |
516 | if (!PyInt_Check (n2_obj)) | |
517 | { | |
518 | PyErr_SetString (PyExc_RuntimeError, | |
519 | _("Array bound must be an integer")); | |
520 | return NULL; | |
521 | } | |
74aedc46 TT |
522 | |
523 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
524 | return NULL; |
525 | } | |
526 | else | |
527 | { | |
528 | n2 = n1; | |
529 | n1 = 0; | |
530 | } | |
531 | ||
532 | if (n2 < n1) | |
533 | { | |
534 | PyErr_SetString (PyExc_ValueError, | |
535 | _("Array length must not be negative")); | |
536 | return NULL; | |
537 | } | |
538 | ||
539 | TRY_CATCH (except, RETURN_MASK_ALL) | |
540 | { | |
541 | array = lookup_array_range_type (type, n1, n2); | |
a72c3253 DE |
542 | if (is_vector) |
543 | make_vector_type (array); | |
702c2711 TT |
544 | } |
545 | GDB_PY_HANDLE_EXCEPTION (except); | |
546 | ||
547 | return type_to_type_object (array); | |
548 | } | |
549 | ||
a72c3253 DE |
550 | /* Return an array type. */ |
551 | ||
552 | static PyObject * | |
553 | typy_array (PyObject *self, PyObject *args) | |
554 | { | |
555 | return typy_array_1 (self, args, 0); | |
556 | } | |
557 | ||
558 | /* Return a vector type. */ | |
559 | ||
560 | static PyObject * | |
561 | typy_vector (PyObject *self, PyObject *args) | |
562 | { | |
563 | return typy_array_1 (self, args, 1); | |
564 | } | |
565 | ||
2c74e833 TT |
566 | /* Return a Type object which represents a pointer to SELF. */ |
567 | static PyObject * | |
568 | typy_pointer (PyObject *self, PyObject *args) | |
569 | { | |
570 | struct type *type = ((type_object *) self)->type; | |
571 | volatile struct gdb_exception except; | |
572 | ||
573 | TRY_CATCH (except, RETURN_MASK_ALL) | |
574 | { | |
575 | type = lookup_pointer_type (type); | |
576 | } | |
577 | GDB_PY_HANDLE_EXCEPTION (except); | |
578 | ||
579 | return type_to_type_object (type); | |
580 | } | |
581 | ||
361ae042 PM |
582 | /* Return the range of a type represented by SELF. The return type is |
583 | a tuple. The first element of the tuple contains the low bound, | |
584 | while the second element of the tuple contains the high bound. */ | |
585 | static PyObject * | |
586 | typy_range (PyObject *self, PyObject *args) | |
587 | { | |
588 | struct type *type = ((type_object *) self)->type; | |
589 | PyObject *result; | |
590 | PyObject *low_bound = NULL, *high_bound = NULL; | |
8d099ae9 PM |
591 | /* Initialize these to appease GCC warnings. */ |
592 | LONGEST low = 0, high = 0; | |
361ae042 PM |
593 | |
594 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
595 | && TYPE_CODE (type) != TYPE_CODE_STRING | |
596 | && TYPE_CODE (type) != TYPE_CODE_RANGE) | |
597 | { | |
598 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 599 | _("This type does not have a range.")); |
361ae042 PM |
600 | return NULL; |
601 | } | |
602 | ||
603 | switch (TYPE_CODE (type)) | |
604 | { | |
605 | case TYPE_CODE_ARRAY: | |
606 | case TYPE_CODE_STRING: | |
607 | low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)); | |
608 | high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)); | |
609 | break; | |
610 | case TYPE_CODE_RANGE: | |
611 | low = TYPE_LOW_BOUND (type); | |
612 | high = TYPE_HIGH_BOUND (type); | |
613 | break; | |
614 | } | |
615 | ||
616 | low_bound = PyLong_FromLong (low); | |
617 | if (!low_bound) | |
618 | goto failarg; | |
619 | ||
620 | high_bound = PyLong_FromLong (high); | |
621 | if (!high_bound) | |
622 | goto failarg; | |
623 | ||
624 | result = PyTuple_New (2); | |
625 | if (!result) | |
626 | goto failarg; | |
627 | ||
628 | if (PyTuple_SetItem (result, 0, low_bound) != 0) | |
629 | { | |
630 | Py_DECREF (result); | |
631 | goto failarg; | |
632 | } | |
633 | if (PyTuple_SetItem (result, 1, high_bound) != 0) | |
634 | { | |
635 | Py_DECREF (high_bound); | |
636 | Py_DECREF (result); | |
637 | return NULL; | |
638 | } | |
639 | return result; | |
256458bc | 640 | |
361ae042 PM |
641 | failarg: |
642 | Py_XDECREF (high_bound); | |
643 | Py_XDECREF (low_bound); | |
644 | return NULL; | |
645 | } | |
646 | ||
2c74e833 TT |
647 | /* Return a Type object which represents a reference to SELF. */ |
648 | static PyObject * | |
649 | typy_reference (PyObject *self, PyObject *args) | |
650 | { | |
651 | struct type *type = ((type_object *) self)->type; | |
652 | volatile struct gdb_exception except; | |
653 | ||
654 | TRY_CATCH (except, RETURN_MASK_ALL) | |
655 | { | |
656 | type = lookup_reference_type (type); | |
657 | } | |
658 | GDB_PY_HANDLE_EXCEPTION (except); | |
659 | ||
660 | return type_to_type_object (type); | |
661 | } | |
662 | ||
663 | /* Return a Type object which represents the target type of SELF. */ | |
664 | static PyObject * | |
665 | typy_target (PyObject *self, PyObject *args) | |
666 | { | |
667 | struct type *type = ((type_object *) self)->type; | |
668 | ||
669 | if (!TYPE_TARGET_TYPE (type)) | |
670 | { | |
256458bc | 671 | PyErr_SetString (PyExc_RuntimeError, |
044c0f87 | 672 | _("Type does not have a target.")); |
2c74e833 TT |
673 | return NULL; |
674 | } | |
675 | ||
676 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
677 | } | |
678 | ||
679 | /* Return a const-qualified type variant. */ | |
680 | static PyObject * | |
681 | typy_const (PyObject *self, PyObject *args) | |
682 | { | |
683 | struct type *type = ((type_object *) self)->type; | |
684 | volatile struct gdb_exception except; | |
685 | ||
686 | TRY_CATCH (except, RETURN_MASK_ALL) | |
687 | { | |
688 | type = make_cv_type (1, 0, type, NULL); | |
689 | } | |
690 | GDB_PY_HANDLE_EXCEPTION (except); | |
691 | ||
692 | return type_to_type_object (type); | |
693 | } | |
694 | ||
695 | /* Return a volatile-qualified type variant. */ | |
696 | static PyObject * | |
697 | typy_volatile (PyObject *self, PyObject *args) | |
698 | { | |
699 | struct type *type = ((type_object *) self)->type; | |
700 | volatile struct gdb_exception except; | |
701 | ||
702 | TRY_CATCH (except, RETURN_MASK_ALL) | |
703 | { | |
704 | type = make_cv_type (0, 1, type, NULL); | |
705 | } | |
706 | GDB_PY_HANDLE_EXCEPTION (except); | |
707 | ||
708 | return type_to_type_object (type); | |
709 | } | |
710 | ||
711 | /* Return an unqualified type variant. */ | |
712 | static PyObject * | |
713 | typy_unqualified (PyObject *self, PyObject *args) | |
714 | { | |
715 | struct type *type = ((type_object *) self)->type; | |
716 | volatile struct gdb_exception except; | |
717 | ||
718 | TRY_CATCH (except, RETURN_MASK_ALL) | |
719 | { | |
720 | type = make_cv_type (0, 0, type, NULL); | |
721 | } | |
722 | GDB_PY_HANDLE_EXCEPTION (except); | |
723 | ||
724 | return type_to_type_object (type); | |
725 | } | |
726 | ||
727 | /* Return the size of the type represented by SELF, in bytes. */ | |
728 | static PyObject * | |
729 | typy_get_sizeof (PyObject *self, void *closure) | |
730 | { | |
731 | struct type *type = ((type_object *) self)->type; | |
732 | volatile struct gdb_exception except; | |
733 | ||
734 | TRY_CATCH (except, RETURN_MASK_ALL) | |
735 | { | |
736 | check_typedef (type); | |
737 | } | |
738 | /* Ignore exceptions. */ | |
739 | ||
200bc880 | 740 | return gdb_py_long_from_longest (TYPE_LENGTH (type)); |
2c74e833 TT |
741 | } |
742 | ||
743 | static struct type * | |
9df2fbc4 | 744 | typy_lookup_typename (const char *type_name, const struct block *block) |
2c74e833 TT |
745 | { |
746 | struct type *type = NULL; | |
747 | volatile struct gdb_exception except; | |
d59b6f6c | 748 | |
2c74e833 TT |
749 | TRY_CATCH (except, RETURN_MASK_ALL) |
750 | { | |
751 | if (!strncmp (type_name, "struct ", 7)) | |
752 | type = lookup_struct (type_name + 7, NULL); | |
753 | else if (!strncmp (type_name, "union ", 6)) | |
754 | type = lookup_union (type_name + 6, NULL); | |
755 | else if (!strncmp (type_name, "enum ", 5)) | |
756 | type = lookup_enum (type_name + 5, NULL); | |
757 | else | |
d452c4bc | 758 | type = lookup_typename (python_language, python_gdbarch, |
5107b149 | 759 | type_name, block, 0); |
2c74e833 | 760 | } |
56cc411c | 761 | GDB_PY_HANDLE_EXCEPTION (except); |
2c74e833 TT |
762 | |
763 | return type; | |
764 | } | |
765 | ||
766 | static struct type * | |
5107b149 | 767 | typy_lookup_type (struct demangle_component *demangled, |
9df2fbc4 | 768 | const struct block *block) |
2c74e833 | 769 | { |
cd829959 | 770 | struct type *type, *rtype = NULL; |
76dce0be | 771 | char *type_name = NULL; |
2c74e833 | 772 | enum demangle_component_type demangled_type; |
76dce0be | 773 | volatile struct gdb_exception except; |
2c74e833 TT |
774 | |
775 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
776 | memory pointed by demangled. */ | |
777 | demangled_type = demangled->type; | |
778 | ||
779 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
780 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
781 | || demangled_type == DEMANGLE_COMPONENT_CONST | |
782 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
783 | { | |
5107b149 | 784 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
785 | if (! type) |
786 | return NULL; | |
787 | ||
76dce0be PM |
788 | TRY_CATCH (except, RETURN_MASK_ALL) |
789 | { | |
cd829959 PM |
790 | /* If the demangled_type matches with one of the types |
791 | below, run the corresponding function and save the type | |
792 | to return later. We cannot just return here as we are in | |
793 | an exception handler. */ | |
76dce0be PM |
794 | switch (demangled_type) |
795 | { | |
796 | case DEMANGLE_COMPONENT_REFERENCE: | |
cd829959 PM |
797 | rtype = lookup_reference_type (type); |
798 | break; | |
76dce0be | 799 | case DEMANGLE_COMPONENT_POINTER: |
cd829959 PM |
800 | rtype = lookup_pointer_type (type); |
801 | break; | |
76dce0be | 802 | case DEMANGLE_COMPONENT_CONST: |
cd829959 PM |
803 | rtype = make_cv_type (1, 0, type, NULL); |
804 | break; | |
76dce0be | 805 | case DEMANGLE_COMPONENT_VOLATILE: |
cd829959 PM |
806 | rtype = make_cv_type (0, 1, type, NULL); |
807 | break; | |
76dce0be | 808 | } |
76dce0be | 809 | } |
56cc411c | 810 | GDB_PY_HANDLE_EXCEPTION (except); |
2c74e833 | 811 | } |
256458bc | 812 | |
cd829959 PM |
813 | /* If we have a type from the switch statement above, just return |
814 | that. */ | |
815 | if (rtype) | |
816 | return rtype; | |
256458bc | 817 | |
cd829959 PM |
818 | /* We don't have a type, so lookup the type. */ |
819 | type_name = cp_comp_to_string (demangled, 10); | |
5107b149 | 820 | type = typy_lookup_typename (type_name, block); |
2c74e833 TT |
821 | xfree (type_name); |
822 | ||
823 | return type; | |
824 | } | |
825 | ||
326fd672 TT |
826 | /* This is a helper function for typy_template_argument that is used |
827 | when the type does not have template symbols attached. It works by | |
828 | parsing the type name. This happens with compilers, like older | |
829 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
830 | ||
2c74e833 | 831 | static PyObject * |
9df2fbc4 | 832 | typy_legacy_template_argument (struct type *type, const struct block *block, |
326fd672 | 833 | int argno) |
2c74e833 | 834 | { |
326fd672 | 835 | int i; |
2c74e833 | 836 | struct demangle_component *demangled; |
5d9c5995 | 837 | struct demangle_parse_info *info = NULL; |
2c74e833 TT |
838 | const char *err; |
839 | struct type *argtype; | |
3a93a0c2 | 840 | struct cleanup *cleanup; |
5d9c5995 | 841 | volatile struct gdb_exception except; |
2c74e833 TT |
842 | |
843 | if (TYPE_NAME (type) == NULL) | |
844 | { | |
5107b149 | 845 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
846 | return NULL; |
847 | } | |
848 | ||
5d9c5995 PM |
849 | TRY_CATCH (except, RETURN_MASK_ALL) |
850 | { | |
851 | /* Note -- this is not thread-safe. */ | |
852 | info = cp_demangled_name_to_comp (TYPE_NAME (type), &err); | |
853 | } | |
854 | GDB_PY_HANDLE_EXCEPTION (except); | |
855 | ||
3a93a0c2 | 856 | if (! info) |
2c74e833 TT |
857 | { |
858 | PyErr_SetString (PyExc_RuntimeError, err); | |
859 | return NULL; | |
860 | } | |
3a93a0c2 KS |
861 | demangled = info->tree; |
862 | cleanup = make_cleanup_cp_demangled_name_parse_free (info); | |
2c74e833 TT |
863 | |
864 | /* Strip off component names. */ | |
865 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
866 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
867 | demangled = demangled->u.s_binary.right; | |
868 | ||
869 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
870 | { | |
3a93a0c2 | 871 | do_cleanups (cleanup); |
5107b149 | 872 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
873 | return NULL; |
874 | } | |
875 | ||
876 | /* Skip from the template to the arguments. */ | |
877 | demangled = demangled->u.s_binary.right; | |
878 | ||
879 | for (i = 0; demangled && i < argno; ++i) | |
880 | demangled = demangled->u.s_binary.right; | |
881 | ||
882 | if (! demangled) | |
883 | { | |
3a93a0c2 | 884 | do_cleanups (cleanup); |
5107b149 | 885 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
886 | argno); |
887 | return NULL; | |
888 | } | |
889 | ||
5107b149 | 890 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
3a93a0c2 | 891 | do_cleanups (cleanup); |
2c74e833 TT |
892 | if (! argtype) |
893 | return NULL; | |
894 | ||
895 | return type_to_type_object (argtype); | |
326fd672 TT |
896 | } |
897 | ||
898 | static PyObject * | |
899 | typy_template_argument (PyObject *self, PyObject *args) | |
900 | { | |
901 | int argno; | |
902 | struct type *type = ((type_object *) self)->type; | |
9df2fbc4 | 903 | const struct block *block = NULL; |
326fd672 TT |
904 | PyObject *block_obj = NULL; |
905 | struct symbol *sym; | |
906 | struct value *val = NULL; | |
907 | volatile struct gdb_exception except; | |
908 | ||
909 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
910 | return NULL; | |
911 | ||
912 | if (block_obj) | |
913 | { | |
914 | block = block_object_to_block (block_obj); | |
915 | if (! block) | |
916 | { | |
917 | PyErr_SetString (PyExc_RuntimeError, | |
918 | _("Second argument must be block.")); | |
919 | return NULL; | |
920 | } | |
921 | } | |
922 | ||
05d0e1e7 TT |
923 | TRY_CATCH (except, RETURN_MASK_ALL) |
924 | { | |
925 | type = check_typedef (type); | |
926 | if (TYPE_CODE (type) == TYPE_CODE_REF) | |
927 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
928 | } | |
929 | GDB_PY_HANDLE_EXCEPTION (except); | |
326fd672 TT |
930 | |
931 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
932 | name. This is inefficient if we do not have a template type -- | |
933 | but that is going to wind up as an error anyhow. */ | |
934 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
935 | return typy_legacy_template_argument (type, block, argno); | |
936 | ||
937 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
938 | { | |
939 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
940 | argno); | |
941 | return NULL; | |
942 | } | |
943 | ||
944 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
945 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
946 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
947 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
948 | { | |
949 | PyErr_Format (PyExc_RuntimeError, | |
950 | _("Template argument is optimized out")); | |
951 | return NULL; | |
952 | } | |
953 | ||
954 | TRY_CATCH (except, RETURN_MASK_ALL) | |
955 | { | |
956 | val = value_of_variable (sym, block); | |
957 | } | |
958 | GDB_PY_HANDLE_EXCEPTION (except); | |
959 | ||
960 | return value_to_value_object (val); | |
2c74e833 TT |
961 | } |
962 | ||
963 | static PyObject * | |
964 | typy_str (PyObject *self) | |
965 | { | |
966 | volatile struct gdb_exception except; | |
967 | char *thetype = NULL; | |
759ef836 | 968 | long length = 0; |
2c74e833 TT |
969 | PyObject *result; |
970 | ||
971 | TRY_CATCH (except, RETURN_MASK_ALL) | |
972 | { | |
973 | struct cleanup *old_chain; | |
974 | struct ui_file *stb; | |
2c74e833 TT |
975 | |
976 | stb = mem_fileopen (); | |
977 | old_chain = make_cleanup_ui_file_delete (stb); | |
978 | ||
53342f27 TT |
979 | LA_PRINT_TYPE (type_object_to_type (self), "", stb, -1, 0, |
980 | &type_print_raw_options); | |
2c74e833 TT |
981 | |
982 | thetype = ui_file_xstrdup (stb, &length); | |
983 | do_cleanups (old_chain); | |
984 | } | |
985 | if (except.reason < 0) | |
986 | { | |
987 | xfree (thetype); | |
988 | GDB_PY_HANDLE_EXCEPTION (except); | |
989 | } | |
990 | ||
759ef836 | 991 | result = PyUnicode_Decode (thetype, length, host_charset (), NULL); |
2c74e833 TT |
992 | xfree (thetype); |
993 | ||
994 | return result; | |
995 | } | |
996 | ||
d839c8a4 TT |
997 | /* Implement the richcompare method. */ |
998 | ||
999 | static PyObject * | |
1000 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
1001 | { | |
1002 | int result = Py_NE; | |
1003 | struct type *type1 = type_object_to_type (self); | |
1004 | struct type *type2 = type_object_to_type (other); | |
1005 | volatile struct gdb_exception except; | |
1006 | ||
1007 | /* We can only compare ourselves to another Type object, and only | |
1008 | for equality or inequality. */ | |
1009 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
1010 | { | |
1011 | Py_INCREF (Py_NotImplemented); | |
1012 | return Py_NotImplemented; | |
1013 | } | |
1014 | ||
1015 | if (type1 == type2) | |
1016 | result = Py_EQ; | |
1017 | else | |
1018 | { | |
d839c8a4 TT |
1019 | TRY_CATCH (except, RETURN_MASK_ALL) |
1020 | { | |
ca092b61 | 1021 | result = types_deeply_equal (type1, type2); |
d839c8a4 | 1022 | } |
ca092b61 DE |
1023 | /* If there is a GDB exception, a comparison is not capable |
1024 | (or trusted), so exit. */ | |
76dce0be | 1025 | GDB_PY_HANDLE_EXCEPTION (except); |
d839c8a4 TT |
1026 | } |
1027 | ||
ca092b61 | 1028 | if (op == (result ? Py_EQ : Py_NE)) |
d839c8a4 TT |
1029 | Py_RETURN_TRUE; |
1030 | Py_RETURN_FALSE; | |
1031 | } | |
1032 | ||
2c74e833 TT |
1033 | \f |
1034 | ||
1035 | static const struct objfile_data *typy_objfile_data_key; | |
1036 | ||
1037 | static void | |
c1bd65d0 | 1038 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 TT |
1039 | { |
1040 | type_object *obj = datum; | |
1041 | htab_t copied_types; | |
1042 | struct cleanup *cleanup; | |
2c74e833 | 1043 | |
0646da15 TT |
1044 | if (!gdb_python_initialized) |
1045 | return; | |
1046 | ||
2c74e833 TT |
1047 | /* This prevents another thread from freeing the objects we're |
1048 | operating on. */ | |
d452c4bc | 1049 | cleanup = ensure_python_env (get_objfile_arch (objfile), current_language); |
2c74e833 TT |
1050 | |
1051 | copied_types = create_copied_types_hash (objfile); | |
1052 | ||
1053 | while (obj) | |
1054 | { | |
1055 | type_object *next = obj->next; | |
1056 | ||
1057 | htab_empty (copied_types); | |
1058 | ||
1059 | obj->type = copy_type_recursive (objfile, obj->type, copied_types); | |
1060 | ||
1061 | obj->next = NULL; | |
1062 | obj->prev = NULL; | |
1063 | ||
1064 | obj = next; | |
1065 | } | |
1066 | ||
1067 | htab_delete (copied_types); | |
1068 | ||
1069 | do_cleanups (cleanup); | |
1070 | } | |
1071 | ||
1072 | static void | |
1073 | set_type (type_object *obj, struct type *type) | |
1074 | { | |
1075 | obj->type = type; | |
1076 | obj->prev = NULL; | |
1077 | if (type && TYPE_OBJFILE (type)) | |
1078 | { | |
1079 | struct objfile *objfile = TYPE_OBJFILE (type); | |
1080 | ||
1081 | obj->next = objfile_data (objfile, typy_objfile_data_key); | |
1082 | if (obj->next) | |
1083 | obj->next->prev = obj; | |
1084 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
1085 | } | |
1086 | else | |
1087 | obj->next = NULL; | |
1088 | } | |
1089 | ||
1090 | static void | |
1091 | typy_dealloc (PyObject *obj) | |
1092 | { | |
1093 | type_object *type = (type_object *) obj; | |
1094 | ||
1095 | if (type->prev) | |
1096 | type->prev->next = type->next; | |
1097 | else if (type->type && TYPE_OBJFILE (type->type)) | |
1098 | { | |
1099 | /* Must reset head of list. */ | |
1100 | struct objfile *objfile = TYPE_OBJFILE (type->type); | |
d59b6f6c | 1101 | |
2c74e833 TT |
1102 | if (objfile) |
1103 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
1104 | } | |
1105 | if (type->next) | |
1106 | type->next->prev = type->prev; | |
1107 | ||
9a27f2c6 | 1108 | Py_TYPE (type)->tp_free (type); |
2c74e833 TT |
1109 | } |
1110 | ||
a73bb892 PK |
1111 | /* Return number of fields ("length" of the field dictionary). */ |
1112 | ||
1113 | static Py_ssize_t | |
1114 | typy_length (PyObject *self) | |
1115 | { | |
1116 | struct type *type = ((type_object *) self)->type; | |
1117 | ||
9cc10fd1 PK |
1118 | type = typy_get_composite (type); |
1119 | if (type == NULL) | |
1120 | return -1; | |
1121 | ||
a73bb892 PK |
1122 | return TYPE_NFIELDS (type); |
1123 | } | |
1124 | ||
9cc10fd1 | 1125 | /* Implements boolean evaluation of gdb.Type. Handle this like other |
256458bc | 1126 | Python objects that don't have a meaningful truth value -- all |
9cc10fd1 PK |
1127 | values are true. */ |
1128 | ||
1129 | static int | |
1130 | typy_nonzero (PyObject *self) | |
1131 | { | |
1132 | return 1; | |
1133 | } | |
1134 | ||
a73bb892 PK |
1135 | /* Return a gdb.Field object for the field named by the argument. */ |
1136 | ||
1137 | static PyObject * | |
1138 | typy_getitem (PyObject *self, PyObject *key) | |
1139 | { | |
1140 | struct type *type = ((type_object *) self)->type; | |
1141 | char *field; | |
1142 | int i; | |
76dce0be | 1143 | |
a73bb892 PK |
1144 | field = python_string_to_host_string (key); |
1145 | if (field == NULL) | |
1146 | return NULL; | |
1147 | ||
256458bc | 1148 | /* We want just fields of this type, not of base types, so instead of |
a73bb892 PK |
1149 | using lookup_struct_elt_type, portions of that function are |
1150 | copied here. */ | |
1151 | ||
9cc10fd1 PK |
1152 | type = typy_get_composite (type); |
1153 | if (type == NULL) | |
1154 | return NULL; | |
256458bc | 1155 | |
a73bb892 PK |
1156 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
1157 | { | |
0d5cff50 | 1158 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 PK |
1159 | |
1160 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1161 | { | |
1162 | return convert_field (type, i); | |
1163 | } | |
1164 | } | |
1165 | PyErr_SetObject (PyExc_KeyError, key); | |
1166 | return NULL; | |
1167 | } | |
1168 | ||
256458bc | 1169 | /* Implement the "get" method on the type object. This is the |
a73bb892 PK |
1170 | same as getitem if the key is present, but returns the supplied |
1171 | default value or None if the key is not found. */ | |
1172 | ||
1173 | static PyObject * | |
1174 | typy_get (PyObject *self, PyObject *args) | |
1175 | { | |
1176 | PyObject *key, *defval = Py_None, *result; | |
256458bc | 1177 | |
a73bb892 PK |
1178 | if (!PyArg_UnpackTuple (args, "get", 1, 2, &key, &defval)) |
1179 | return NULL; | |
256458bc | 1180 | |
a73bb892 PK |
1181 | result = typy_getitem (self, key); |
1182 | if (result != NULL) | |
1183 | return result; | |
256458bc | 1184 | |
a73bb892 PK |
1185 | /* typy_getitem returned error status. If the exception is |
1186 | KeyError, clear the exception status and return the defval | |
1187 | instead. Otherwise return the exception unchanged. */ | |
1188 | if (!PyErr_ExceptionMatches (PyExc_KeyError)) | |
1189 | return NULL; | |
256458bc | 1190 | |
a73bb892 PK |
1191 | PyErr_Clear (); |
1192 | Py_INCREF (defval); | |
1193 | return defval; | |
1194 | } | |
1195 | ||
1196 | /* Implement the "has_key" method on the type object. */ | |
1197 | ||
1198 | static PyObject * | |
1199 | typy_has_key (PyObject *self, PyObject *args) | |
1200 | { | |
1201 | struct type *type = ((type_object *) self)->type; | |
2ff6b080 | 1202 | const char *field; |
a73bb892 | 1203 | int i; |
76dce0be | 1204 | |
a73bb892 PK |
1205 | if (!PyArg_ParseTuple (args, "s", &field)) |
1206 | return NULL; | |
1207 | ||
256458bc | 1208 | /* We want just fields of this type, not of base types, so instead of |
a73bb892 PK |
1209 | using lookup_struct_elt_type, portions of that function are |
1210 | copied here. */ | |
1211 | ||
9cc10fd1 PK |
1212 | type = typy_get_composite (type); |
1213 | if (type == NULL) | |
1214 | return NULL; | |
a73bb892 PK |
1215 | |
1216 | for (i = 0; i < TYPE_NFIELDS (type); i++) | |
1217 | { | |
0d5cff50 | 1218 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 PK |
1219 | |
1220 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1221 | Py_RETURN_TRUE; | |
1222 | } | |
1223 | Py_RETURN_FALSE; | |
1224 | } | |
1225 | ||
1226 | /* Make an iterator object to iterate over keys, values, or items. */ | |
1227 | ||
1228 | static PyObject * | |
1229 | typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind) | |
1230 | { | |
1231 | typy_iterator_object *typy_iter_obj; | |
1232 | ||
9cc10fd1 PK |
1233 | /* Check that "self" is a structure or union type. */ |
1234 | if (typy_get_composite (((type_object *) self)->type) == NULL) | |
1235 | return NULL; | |
256458bc | 1236 | |
a73bb892 PK |
1237 | typy_iter_obj = PyObject_New (typy_iterator_object, |
1238 | &type_iterator_object_type); | |
1239 | if (typy_iter_obj == NULL) | |
1240 | return NULL; | |
1241 | ||
1242 | typy_iter_obj->field = 0; | |
1243 | typy_iter_obj->kind = kind; | |
1244 | Py_INCREF (self); | |
1245 | typy_iter_obj->source = (type_object *) self; | |
1246 | ||
1247 | return (PyObject *) typy_iter_obj; | |
1248 | } | |
1249 | ||
1250 | /* iteritems() method. */ | |
1251 | ||
1252 | static PyObject * | |
1253 | typy_iteritems (PyObject *self, PyObject *args) | |
1254 | { | |
1255 | return typy_make_iter (self, iter_items); | |
1256 | } | |
1257 | ||
1258 | /* iterkeys() method. */ | |
1259 | ||
1260 | static PyObject * | |
1261 | typy_iterkeys (PyObject *self, PyObject *args) | |
1262 | { | |
1263 | return typy_make_iter (self, iter_keys); | |
1264 | } | |
1265 | ||
1266 | /* Iterating over the class, same as iterkeys except for the function | |
1267 | signature. */ | |
1268 | ||
1269 | static PyObject * | |
1270 | typy_iter (PyObject *self) | |
1271 | { | |
1272 | return typy_make_iter (self, iter_keys); | |
1273 | } | |
1274 | ||
1275 | /* itervalues() method. */ | |
1276 | ||
1277 | static PyObject * | |
1278 | typy_itervalues (PyObject *self, PyObject *args) | |
1279 | { | |
1280 | return typy_make_iter (self, iter_values); | |
1281 | } | |
1282 | ||
1283 | /* Return a reference to the type iterator. */ | |
1284 | ||
1285 | static PyObject * | |
1286 | typy_iterator_iter (PyObject *self) | |
1287 | { | |
1288 | Py_INCREF (self); | |
1289 | return self; | |
1290 | } | |
1291 | ||
1292 | /* Return the next field in the iteration through the list of fields | |
1293 | of the type. */ | |
1294 | ||
1295 | static PyObject * | |
1296 | typy_iterator_iternext (PyObject *self) | |
1297 | { | |
1298 | typy_iterator_object *iter_obj = (typy_iterator_object *) self; | |
1299 | struct type *type = iter_obj->source->type; | |
a73bb892 | 1300 | PyObject *result; |
256458bc | 1301 | |
a73bb892 PK |
1302 | if (iter_obj->field < TYPE_NFIELDS (type)) |
1303 | { | |
1304 | result = make_fielditem (type, iter_obj->field, iter_obj->kind); | |
1305 | if (result != NULL) | |
1306 | iter_obj->field++; | |
1307 | return result; | |
1308 | } | |
1309 | ||
1310 | return NULL; | |
1311 | } | |
1312 | ||
1313 | static void | |
1314 | typy_iterator_dealloc (PyObject *obj) | |
1315 | { | |
1316 | typy_iterator_object *iter_obj = (typy_iterator_object *) obj; | |
1317 | ||
1318 | Py_DECREF (iter_obj->source); | |
1319 | } | |
1320 | ||
2c74e833 TT |
1321 | /* Create a new Type referring to TYPE. */ |
1322 | PyObject * | |
1323 | type_to_type_object (struct type *type) | |
1324 | { | |
1325 | type_object *type_obj; | |
1326 | ||
1327 | type_obj = PyObject_New (type_object, &type_object_type); | |
1328 | if (type_obj) | |
1329 | set_type (type_obj, type); | |
1330 | ||
1331 | return (PyObject *) type_obj; | |
1332 | } | |
1333 | ||
1334 | struct type * | |
1335 | type_object_to_type (PyObject *obj) | |
1336 | { | |
1337 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1338 | return NULL; | |
1339 | return ((type_object *) obj)->type; | |
1340 | } | |
1341 | ||
1342 | \f | |
1343 | ||
1344 | /* Implementation of gdb.lookup_type. */ | |
1345 | PyObject * | |
1346 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1347 | { | |
5107b149 | 1348 | static char *keywords[] = { "name", "block", NULL }; |
ddd49eee | 1349 | const char *type_name = NULL; |
2c74e833 | 1350 | struct type *type = NULL; |
5107b149 | 1351 | PyObject *block_obj = NULL; |
9df2fbc4 | 1352 | const struct block *block = NULL; |
2c74e833 | 1353 | |
5107b149 PM |
1354 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1355 | &type_name, &block_obj)) | |
2c74e833 TT |
1356 | return NULL; |
1357 | ||
5107b149 PM |
1358 | if (block_obj) |
1359 | { | |
1360 | block = block_object_to_block (block_obj); | |
1361 | if (! block) | |
1362 | { | |
1363 | PyErr_SetString (PyExc_RuntimeError, | |
1364 | _("'block' argument must be a Block.")); | |
1365 | return NULL; | |
1366 | } | |
1367 | } | |
1368 | ||
1369 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1370 | if (! type) |
1371 | return NULL; | |
1372 | ||
1373 | return (PyObject *) type_to_type_object (type); | |
1374 | } | |
1375 | ||
999633ed | 1376 | int |
2c74e833 TT |
1377 | gdbpy_initialize_types (void) |
1378 | { | |
1379 | int i; | |
1380 | ||
1381 | typy_objfile_data_key | |
c1bd65d0 | 1382 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); |
2c74e833 TT |
1383 | |
1384 | if (PyType_Ready (&type_object_type) < 0) | |
999633ed | 1385 | return -1; |
2c74e833 | 1386 | if (PyType_Ready (&field_object_type) < 0) |
999633ed | 1387 | return -1; |
a73bb892 | 1388 | if (PyType_Ready (&type_iterator_object_type) < 0) |
999633ed | 1389 | return -1; |
2c74e833 TT |
1390 | |
1391 | for (i = 0; pyty_codes[i].name; ++i) | |
1392 | { | |
1393 | if (PyModule_AddIntConstant (gdb_module, | |
1394 | /* Cast needed for Python 2.4. */ | |
1395 | (char *) pyty_codes[i].name, | |
1396 | pyty_codes[i].code) < 0) | |
999633ed | 1397 | return -1; |
2c74e833 TT |
1398 | } |
1399 | ||
aa36459a TT |
1400 | if (gdb_pymodule_addobject (gdb_module, "Type", |
1401 | (PyObject *) &type_object_type) < 0) | |
999633ed | 1402 | return -1; |
2c74e833 | 1403 | |
aa36459a TT |
1404 | if (gdb_pymodule_addobject (gdb_module, "TypeIterator", |
1405 | (PyObject *) &type_iterator_object_type) < 0) | |
999633ed | 1406 | return -1; |
a73bb892 | 1407 | |
aa36459a TT |
1408 | return gdb_pymodule_addobject (gdb_module, "Field", |
1409 | (PyObject *) &field_object_type); | |
2c74e833 TT |
1410 | } |
1411 | ||
1412 | \f | |
1413 | ||
1414 | static PyGetSetDef type_object_getset[] = | |
1415 | { | |
1416 | { "code", typy_get_code, NULL, | |
1417 | "The code for this type.", NULL }, | |
c0d48811 JB |
1418 | { "name", typy_get_name, NULL, |
1419 | "The name for this type, or None.", NULL }, | |
2c74e833 TT |
1420 | { "sizeof", typy_get_sizeof, NULL, |
1421 | "The size of this type, in bytes.", NULL }, | |
1422 | { "tag", typy_get_tag, NULL, | |
1423 | "The tag name for this type, or None.", NULL }, | |
1424 | { NULL } | |
1425 | }; | |
1426 | ||
1427 | static PyMethodDef type_object_methods[] = | |
1428 | { | |
702c2711 | 1429 | { "array", typy_array, METH_VARARGS, |
f28c316a DE |
1430 | "array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ |
1431 | Return a type which represents an array of objects of this type.\n\ | |
1432 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1433 | If LOW_BOUND is omitted, a value of zero is used." }, | |
a72c3253 DE |
1434 | { "vector", typy_vector, METH_VARARGS, |
1435 | "vector ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ | |
1436 | Return a type which represents a vector of objects of this type.\n\ | |
1437 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1438 | If LOW_BOUND is omitted, a value of zero is used.\n\ | |
1439 | Vectors differ from arrays in that if the current language has C-style\n\ | |
1440 | arrays, vectors don't decay to a pointer to the first element.\n\ | |
1441 | They are first class values." }, | |
a73bb892 PK |
1442 | { "__contains__", typy_has_key, METH_VARARGS, |
1443 | "T.__contains__(k) -> True if T has a field named k, else False" }, | |
2c74e833 TT |
1444 | { "const", typy_const, METH_NOARGS, |
1445 | "const () -> Type\n\ | |
1446 | Return a const variant of this type." }, | |
1447 | { "fields", typy_fields, METH_NOARGS, | |
a73bb892 PK |
1448 | "fields () -> list\n\ |
1449 | Return a list holding all the fields of this type.\n\ | |
1450 | Each field is a gdb.Field object." }, | |
1451 | { "get", typy_get, METH_VARARGS, | |
1452 | "T.get(k[,default]) -> returns field named k in T, if it exists;\n\ | |
1453 | otherwise returns default, if supplied, or None if not." }, | |
1454 | { "has_key", typy_has_key, METH_VARARGS, | |
1455 | "T.has_key(k) -> True if T has a field named k, else False" }, | |
1456 | { "items", typy_items, METH_NOARGS, | |
1457 | "items () -> list\n\ | |
1458 | Return a list of (name, field) pairs of this type.\n\ | |
1459 | Each field is a gdb.Field object." }, | |
1460 | { "iteritems", typy_iteritems, METH_NOARGS, | |
1461 | "iteritems () -> an iterator over the (name, field)\n\ | |
1462 | pairs of this type. Each field is a gdb.Field object." }, | |
1463 | { "iterkeys", typy_iterkeys, METH_NOARGS, | |
1464 | "iterkeys () -> an iterator over the field names of this type." }, | |
1465 | { "itervalues", typy_itervalues, METH_NOARGS, | |
1466 | "itervalues () -> an iterator over the fields of this type.\n\ | |
1467 | Each field is a gdb.Field object." }, | |
1468 | { "keys", typy_field_names, METH_NOARGS, | |
1469 | "keys () -> list\n\ | |
1470 | Return a list holding all the fields names of this type." }, | |
2c74e833 TT |
1471 | { "pointer", typy_pointer, METH_NOARGS, |
1472 | "pointer () -> Type\n\ | |
1473 | Return a type of pointer to this type." }, | |
361ae042 PM |
1474 | { "range", typy_range, METH_NOARGS, |
1475 | "range () -> tuple\n\ | |
1476 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1477 | { "reference", typy_reference, METH_NOARGS, |
1478 | "reference () -> Type\n\ | |
1479 | Return a type of reference to this type." }, | |
1480 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1481 | "strip_typedefs () -> Type\n\ | |
1482 | Return a type formed by stripping this type of all typedefs."}, | |
1483 | { "target", typy_target, METH_NOARGS, | |
1484 | "target () -> Type\n\ | |
1485 | Return the target type of this type." }, | |
1486 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1487 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1488 | Return the type of a template argument." }, |
1489 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1490 | "unqualified () -> Type\n\ | |
1491 | Return a variant of this type without const or volatile attributes." }, | |
9cc10fd1 | 1492 | { "values", typy_values, METH_NOARGS, |
a73bb892 PK |
1493 | "values () -> list\n\ |
1494 | Return a list holding all the fields of this type.\n\ | |
1495 | Each field is a gdb.Field object." }, | |
2c74e833 TT |
1496 | { "volatile", typy_volatile, METH_NOARGS, |
1497 | "volatile () -> Type\n\ | |
1498 | Return a volatile variant of this type" }, | |
1499 | { NULL } | |
1500 | }; | |
1501 | ||
9cc10fd1 PK |
1502 | static PyNumberMethods type_object_as_number = { |
1503 | NULL, /* nb_add */ | |
1504 | NULL, /* nb_subtract */ | |
1505 | NULL, /* nb_multiply */ | |
9a27f2c6 | 1506 | #ifndef IS_PY3K |
9cc10fd1 | 1507 | NULL, /* nb_divide */ |
9a27f2c6 | 1508 | #endif |
9cc10fd1 PK |
1509 | NULL, /* nb_remainder */ |
1510 | NULL, /* nb_divmod */ | |
1511 | NULL, /* nb_power */ | |
1512 | NULL, /* nb_negative */ | |
1513 | NULL, /* nb_positive */ | |
1514 | NULL, /* nb_absolute */ | |
1515 | typy_nonzero, /* nb_nonzero */ | |
1516 | NULL, /* nb_invert */ | |
1517 | NULL, /* nb_lshift */ | |
1518 | NULL, /* nb_rshift */ | |
1519 | NULL, /* nb_and */ | |
1520 | NULL, /* nb_xor */ | |
1521 | NULL, /* nb_or */ | |
9a27f2c6 PK |
1522 | #ifdef IS_PY3K |
1523 | NULL, /* nb_int */ | |
1524 | NULL, /* reserved */ | |
1525 | #else | |
9cc10fd1 PK |
1526 | NULL, /* nb_coerce */ |
1527 | NULL, /* nb_int */ | |
1528 | NULL, /* nb_long */ | |
9a27f2c6 | 1529 | #endif |
9cc10fd1 | 1530 | NULL, /* nb_float */ |
9a27f2c6 | 1531 | #ifndef IS_PY3K |
9cc10fd1 PK |
1532 | NULL, /* nb_oct */ |
1533 | NULL /* nb_hex */ | |
9a27f2c6 | 1534 | #endif |
9cc10fd1 PK |
1535 | }; |
1536 | ||
a73bb892 PK |
1537 | static PyMappingMethods typy_mapping = { |
1538 | typy_length, | |
1539 | typy_getitem, | |
1540 | NULL /* no "set" method */ | |
1541 | }; | |
1542 | ||
2c74e833 TT |
1543 | static PyTypeObject type_object_type = |
1544 | { | |
9a27f2c6 | 1545 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1546 | "gdb.Type", /*tp_name*/ |
1547 | sizeof (type_object), /*tp_basicsize*/ | |
1548 | 0, /*tp_itemsize*/ | |
1549 | typy_dealloc, /*tp_dealloc*/ | |
1550 | 0, /*tp_print*/ | |
1551 | 0, /*tp_getattr*/ | |
1552 | 0, /*tp_setattr*/ | |
1553 | 0, /*tp_compare*/ | |
1554 | 0, /*tp_repr*/ | |
9cc10fd1 | 1555 | &type_object_as_number, /*tp_as_number*/ |
2c74e833 | 1556 | 0, /*tp_as_sequence*/ |
a73bb892 | 1557 | &typy_mapping, /*tp_as_mapping*/ |
2c74e833 TT |
1558 | 0, /*tp_hash */ |
1559 | 0, /*tp_call*/ | |
1560 | typy_str, /*tp_str*/ | |
1561 | 0, /*tp_getattro*/ | |
1562 | 0, /*tp_setattro*/ | |
1563 | 0, /*tp_as_buffer*/ | |
1564 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1565 | "GDB type object", /* tp_doc */ | |
1566 | 0, /* tp_traverse */ | |
1567 | 0, /* tp_clear */ | |
d839c8a4 | 1568 | typy_richcompare, /* tp_richcompare */ |
2c74e833 | 1569 | 0, /* tp_weaklistoffset */ |
a73bb892 | 1570 | typy_iter, /* tp_iter */ |
2c74e833 TT |
1571 | 0, /* tp_iternext */ |
1572 | type_object_methods, /* tp_methods */ | |
1573 | 0, /* tp_members */ | |
1574 | type_object_getset, /* tp_getset */ | |
1575 | 0, /* tp_base */ | |
1576 | 0, /* tp_dict */ | |
1577 | 0, /* tp_descr_get */ | |
1578 | 0, /* tp_descr_set */ | |
1579 | 0, /* tp_dictoffset */ | |
1580 | 0, /* tp_init */ | |
1581 | 0, /* tp_alloc */ | |
1582 | 0, /* tp_new */ | |
1583 | }; | |
1584 | ||
2e8265fd TT |
1585 | static PyGetSetDef field_object_getset[] = |
1586 | { | |
1587 | { "__dict__", gdb_py_generic_dict, NULL, | |
1588 | "The __dict__ for this field.", &field_object_type }, | |
1589 | { NULL } | |
1590 | }; | |
1591 | ||
2c74e833 TT |
1592 | static PyTypeObject field_object_type = |
1593 | { | |
9a27f2c6 | 1594 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1595 | "gdb.Field", /*tp_name*/ |
1596 | sizeof (field_object), /*tp_basicsize*/ | |
1597 | 0, /*tp_itemsize*/ | |
1598 | field_dealloc, /*tp_dealloc*/ | |
1599 | 0, /*tp_print*/ | |
1600 | 0, /*tp_getattr*/ | |
1601 | 0, /*tp_setattr*/ | |
1602 | 0, /*tp_compare*/ | |
1603 | 0, /*tp_repr*/ | |
1604 | 0, /*tp_as_number*/ | |
1605 | 0, /*tp_as_sequence*/ | |
1606 | 0, /*tp_as_mapping*/ | |
1607 | 0, /*tp_hash */ | |
1608 | 0, /*tp_call*/ | |
1609 | 0, /*tp_str*/ | |
1610 | 0, /*tp_getattro*/ | |
1611 | 0, /*tp_setattro*/ | |
1612 | 0, /*tp_as_buffer*/ | |
1613 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1614 | "GDB field object", /* tp_doc */ | |
1615 | 0, /* tp_traverse */ | |
1616 | 0, /* tp_clear */ | |
1617 | 0, /* tp_richcompare */ | |
1618 | 0, /* tp_weaklistoffset */ | |
1619 | 0, /* tp_iter */ | |
1620 | 0, /* tp_iternext */ | |
1621 | 0, /* tp_methods */ | |
1622 | 0, /* tp_members */ | |
2e8265fd | 1623 | field_object_getset, /* tp_getset */ |
2c74e833 TT |
1624 | 0, /* tp_base */ |
1625 | 0, /* tp_dict */ | |
1626 | 0, /* tp_descr_get */ | |
1627 | 0, /* tp_descr_set */ | |
1628 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1629 | 0, /* tp_init */ | |
1630 | 0, /* tp_alloc */ | |
1631 | 0, /* tp_new */ | |
1632 | }; | |
a73bb892 PK |
1633 | |
1634 | static PyTypeObject type_iterator_object_type = { | |
9a27f2c6 | 1635 | PyVarObject_HEAD_INIT (NULL, 0) |
a73bb892 PK |
1636 | "gdb.TypeIterator", /*tp_name*/ |
1637 | sizeof (typy_iterator_object), /*tp_basicsize*/ | |
1638 | 0, /*tp_itemsize*/ | |
1639 | typy_iterator_dealloc, /*tp_dealloc*/ | |
1640 | 0, /*tp_print*/ | |
1641 | 0, /*tp_getattr*/ | |
1642 | 0, /*tp_setattr*/ | |
1643 | 0, /*tp_compare*/ | |
1644 | 0, /*tp_repr*/ | |
1645 | 0, /*tp_as_number*/ | |
1646 | 0, /*tp_as_sequence*/ | |
1647 | 0, /*tp_as_mapping*/ | |
1648 | 0, /*tp_hash */ | |
1649 | 0, /*tp_call*/ | |
1650 | 0, /*tp_str*/ | |
1651 | 0, /*tp_getattro*/ | |
1652 | 0, /*tp_setattro*/ | |
1653 | 0, /*tp_as_buffer*/ | |
1654 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1655 | "GDB type iterator object", /*tp_doc */ | |
1656 | 0, /*tp_traverse */ | |
1657 | 0, /*tp_clear */ | |
1658 | 0, /*tp_richcompare */ | |
1659 | 0, /*tp_weaklistoffset */ | |
1660 | typy_iterator_iter, /*tp_iter */ | |
1661 | typy_iterator_iternext, /*tp_iternext */ | |
1662 | 0 /*tp_methods */ | |
1663 | }; |