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2c74e833 TT |
1 | /* Python interface to types. |
2 | ||
7b6bb8da | 3 | Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
2c74e833 TT |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "value.h" | |
22 | #include "exceptions.h" | |
23 | #include "python-internal.h" | |
24 | #include "charset.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "cp-support.h" | |
27 | #include "demangle.h" | |
28 | #include "objfiles.h" | |
e6c014f2 | 29 | #include "language.h" |
d839c8a4 TT |
30 | #include "vec.h" |
31 | #include "bcache.h" | |
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 | ||
45 | static PyTypeObject type_object_type; | |
46 | ||
47 | /* A Field object. */ | |
48 | typedef struct pyty_field_object | |
49 | { | |
50 | PyObject_HEAD | |
51 | ||
52 | /* Dictionary holding our attributes. */ | |
53 | PyObject *dict; | |
54 | } field_object; | |
55 | ||
56 | static PyTypeObject field_object_type; | |
57 | ||
58 | /* This is used to initialize various gdb.TYPE_ constants. */ | |
59 | struct pyty_code | |
60 | { | |
61 | /* The code. */ | |
62 | enum type_code code; | |
63 | /* The name. */ | |
64 | const char *name; | |
65 | }; | |
66 | ||
67 | #define ENTRY(X) { X, #X } | |
68 | ||
69 | static struct pyty_code pyty_codes[] = | |
70 | { | |
71 | ENTRY (TYPE_CODE_PTR), | |
72 | ENTRY (TYPE_CODE_ARRAY), | |
73 | ENTRY (TYPE_CODE_STRUCT), | |
74 | ENTRY (TYPE_CODE_UNION), | |
75 | ENTRY (TYPE_CODE_ENUM), | |
76 | ENTRY (TYPE_CODE_FLAGS), | |
77 | ENTRY (TYPE_CODE_FUNC), | |
78 | ENTRY (TYPE_CODE_INT), | |
79 | ENTRY (TYPE_CODE_FLT), | |
80 | ENTRY (TYPE_CODE_VOID), | |
81 | ENTRY (TYPE_CODE_SET), | |
82 | ENTRY (TYPE_CODE_RANGE), | |
83 | ENTRY (TYPE_CODE_STRING), | |
84 | ENTRY (TYPE_CODE_BITSTRING), | |
85 | ENTRY (TYPE_CODE_ERROR), | |
86 | ENTRY (TYPE_CODE_METHOD), | |
87 | ENTRY (TYPE_CODE_METHODPTR), | |
88 | ENTRY (TYPE_CODE_MEMBERPTR), | |
89 | ENTRY (TYPE_CODE_REF), | |
90 | ENTRY (TYPE_CODE_CHAR), | |
91 | ENTRY (TYPE_CODE_BOOL), | |
92 | ENTRY (TYPE_CODE_COMPLEX), | |
93 | ENTRY (TYPE_CODE_TYPEDEF), | |
94 | ENTRY (TYPE_CODE_NAMESPACE), | |
95 | ENTRY (TYPE_CODE_DECFLOAT), | |
96 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
97 | { TYPE_CODE_UNDEF, NULL } | |
98 | }; | |
99 | ||
100 | \f | |
101 | ||
102 | static void | |
103 | field_dealloc (PyObject *obj) | |
104 | { | |
105 | field_object *f = (field_object *) obj; | |
d59b6f6c | 106 | |
2c74e833 TT |
107 | Py_XDECREF (f->dict); |
108 | f->ob_type->tp_free (obj); | |
109 | } | |
110 | ||
111 | static PyObject * | |
112 | field_new (void) | |
113 | { | |
114 | field_object *result = PyObject_New (field_object, &field_object_type); | |
d59b6f6c | 115 | |
2c74e833 TT |
116 | if (result) |
117 | { | |
118 | result->dict = PyDict_New (); | |
119 | if (!result->dict) | |
120 | { | |
121 | Py_DECREF (result); | |
122 | result = NULL; | |
123 | } | |
124 | } | |
125 | return (PyObject *) result; | |
126 | } | |
127 | ||
128 | \f | |
129 | ||
130 | /* Return the code for this type. */ | |
131 | static PyObject * | |
132 | typy_get_code (PyObject *self, void *closure) | |
133 | { | |
134 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 135 | |
2c74e833 TT |
136 | return PyInt_FromLong (TYPE_CODE (type)); |
137 | } | |
138 | ||
139 | /* Helper function for typy_fields which converts a single field to a | |
140 | dictionary. Returns NULL on error. */ | |
141 | static PyObject * | |
142 | convert_field (struct type *type, int field) | |
143 | { | |
144 | PyObject *result = field_new (); | |
145 | PyObject *arg; | |
146 | ||
147 | if (!result) | |
148 | return NULL; | |
149 | ||
150 | if (!field_is_static (&TYPE_FIELD (type, field))) | |
151 | { | |
152 | arg = PyLong_FromLong (TYPE_FIELD_BITPOS (type, field)); | |
153 | if (!arg) | |
154 | goto fail; | |
155 | ||
156 | if (PyObject_SetAttrString (result, "bitpos", arg) < 0) | |
157 | goto failarg; | |
158 | } | |
159 | ||
160 | if (TYPE_FIELD_NAME (type, field)) | |
161 | arg = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
162 | else | |
163 | { | |
164 | arg = Py_None; | |
165 | Py_INCREF (arg); | |
166 | } | |
167 | if (!arg) | |
168 | goto fail; | |
169 | if (PyObject_SetAttrString (result, "name", arg) < 0) | |
170 | goto failarg; | |
171 | ||
172 | arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False; | |
173 | Py_INCREF (arg); | |
174 | if (PyObject_SetAttrString (result, "artificial", arg) < 0) | |
175 | goto failarg; | |
176 | ||
bfd31e71 PM |
177 | if (TYPE_CODE (type) == TYPE_CODE_CLASS) |
178 | arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False; | |
179 | else | |
180 | arg = Py_False; | |
181 | Py_INCREF (arg); | |
182 | if (PyObject_SetAttrString (result, "is_base_class", arg) < 0) | |
183 | goto failarg; | |
184 | ||
2c74e833 TT |
185 | arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field)); |
186 | if (!arg) | |
187 | goto fail; | |
188 | if (PyObject_SetAttrString (result, "bitsize", arg) < 0) | |
189 | goto failarg; | |
190 | ||
191 | /* A field can have a NULL type in some situations. */ | |
192 | if (TYPE_FIELD_TYPE (type, field) == NULL) | |
193 | { | |
194 | arg = Py_None; | |
195 | Py_INCREF (arg); | |
196 | } | |
197 | else | |
198 | arg = type_to_type_object (TYPE_FIELD_TYPE (type, field)); | |
199 | if (!arg) | |
200 | goto fail; | |
201 | if (PyObject_SetAttrString (result, "type", arg) < 0) | |
202 | goto failarg; | |
203 | ||
204 | return result; | |
205 | ||
206 | failarg: | |
207 | Py_DECREF (arg); | |
208 | fail: | |
209 | Py_DECREF (result); | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | /* Return a sequence of all fields. Each field is a dictionary with | |
214 | some pre-defined keys. */ | |
215 | static PyObject * | |
216 | typy_fields (PyObject *self, PyObject *args) | |
217 | { | |
218 | PyObject *result; | |
219 | int i; | |
220 | struct type *type = ((type_object *) self)->type; | |
05d0e1e7 TT |
221 | volatile struct gdb_exception except; |
222 | ||
223 | TRY_CATCH (except, RETURN_MASK_ALL) | |
224 | { | |
225 | CHECK_TYPEDEF (type); | |
226 | } | |
227 | GDB_PY_HANDLE_EXCEPTION (except); | |
2c74e833 TT |
228 | |
229 | /* We would like to make a tuple here, make fields immutable, and | |
230 | then memoize the result (and perhaps make Field.type() lazy). | |
231 | However, that can lead to cycles. */ | |
232 | result = PyList_New (0); | |
233 | ||
234 | for (i = 0; i < TYPE_NFIELDS (type); ++i) | |
235 | { | |
236 | PyObject *dict = convert_field (type, i); | |
d59b6f6c | 237 | |
2c74e833 TT |
238 | if (!dict) |
239 | { | |
240 | Py_DECREF (result); | |
241 | return NULL; | |
242 | } | |
243 | if (PyList_Append (result, dict)) | |
244 | { | |
245 | Py_DECREF (dict); | |
246 | Py_DECREF (result); | |
247 | return NULL; | |
248 | } | |
249 | } | |
250 | ||
251 | return result; | |
252 | } | |
253 | ||
254 | /* Return the type's tag, or None. */ | |
255 | static PyObject * | |
256 | typy_get_tag (PyObject *self, void *closure) | |
257 | { | |
258 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 259 | |
2c74e833 TT |
260 | if (!TYPE_TAG_NAME (type)) |
261 | Py_RETURN_NONE; | |
262 | return PyString_FromString (TYPE_TAG_NAME (type)); | |
263 | } | |
264 | ||
265 | /* Return the type, stripped of typedefs. */ | |
266 | static PyObject * | |
267 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
268 | { | |
269 | struct type *type = ((type_object *) self)->type; | |
270 | ||
271 | return type_to_type_object (check_typedef (type)); | |
272 | } | |
273 | ||
702c2711 TT |
274 | /* Return an array type. */ |
275 | ||
276 | static PyObject * | |
277 | typy_array (PyObject *self, PyObject *args) | |
278 | { | |
74aedc46 | 279 | long n1, n2; |
702c2711 TT |
280 | PyObject *n2_obj = NULL; |
281 | struct type *array = NULL; | |
282 | struct type *type = ((type_object *) self)->type; | |
283 | volatile struct gdb_exception except; | |
284 | ||
74aedc46 | 285 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
286 | return NULL; |
287 | ||
288 | if (n2_obj) | |
289 | { | |
290 | if (!PyInt_Check (n2_obj)) | |
291 | { | |
292 | PyErr_SetString (PyExc_RuntimeError, | |
293 | _("Array bound must be an integer")); | |
294 | return NULL; | |
295 | } | |
74aedc46 TT |
296 | |
297 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
298 | return NULL; |
299 | } | |
300 | else | |
301 | { | |
302 | n2 = n1; | |
303 | n1 = 0; | |
304 | } | |
305 | ||
306 | if (n2 < n1) | |
307 | { | |
308 | PyErr_SetString (PyExc_ValueError, | |
309 | _("Array length must not be negative")); | |
310 | return NULL; | |
311 | } | |
312 | ||
313 | TRY_CATCH (except, RETURN_MASK_ALL) | |
314 | { | |
315 | array = lookup_array_range_type (type, n1, n2); | |
316 | } | |
317 | GDB_PY_HANDLE_EXCEPTION (except); | |
318 | ||
319 | return type_to_type_object (array); | |
320 | } | |
321 | ||
2c74e833 TT |
322 | /* Return a Type object which represents a pointer to SELF. */ |
323 | static PyObject * | |
324 | typy_pointer (PyObject *self, PyObject *args) | |
325 | { | |
326 | struct type *type = ((type_object *) self)->type; | |
327 | volatile struct gdb_exception except; | |
328 | ||
329 | TRY_CATCH (except, RETURN_MASK_ALL) | |
330 | { | |
331 | type = lookup_pointer_type (type); | |
332 | } | |
333 | GDB_PY_HANDLE_EXCEPTION (except); | |
334 | ||
335 | return type_to_type_object (type); | |
336 | } | |
337 | ||
361ae042 PM |
338 | /* Return the range of a type represented by SELF. The return type is |
339 | a tuple. The first element of the tuple contains the low bound, | |
340 | while the second element of the tuple contains the high bound. */ | |
341 | static PyObject * | |
342 | typy_range (PyObject *self, PyObject *args) | |
343 | { | |
344 | struct type *type = ((type_object *) self)->type; | |
345 | PyObject *result; | |
346 | PyObject *low_bound = NULL, *high_bound = NULL; | |
8d099ae9 PM |
347 | /* Initialize these to appease GCC warnings. */ |
348 | LONGEST low = 0, high = 0; | |
361ae042 PM |
349 | |
350 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
351 | && TYPE_CODE (type) != TYPE_CODE_STRING | |
352 | && TYPE_CODE (type) != TYPE_CODE_RANGE) | |
353 | { | |
354 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 355 | _("This type does not have a range.")); |
361ae042 PM |
356 | return NULL; |
357 | } | |
358 | ||
359 | switch (TYPE_CODE (type)) | |
360 | { | |
361 | case TYPE_CODE_ARRAY: | |
362 | case TYPE_CODE_STRING: | |
363 | low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)); | |
364 | high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)); | |
365 | break; | |
366 | case TYPE_CODE_RANGE: | |
367 | low = TYPE_LOW_BOUND (type); | |
368 | high = TYPE_HIGH_BOUND (type); | |
369 | break; | |
370 | } | |
371 | ||
372 | low_bound = PyLong_FromLong (low); | |
373 | if (!low_bound) | |
374 | goto failarg; | |
375 | ||
376 | high_bound = PyLong_FromLong (high); | |
377 | if (!high_bound) | |
378 | goto failarg; | |
379 | ||
380 | result = PyTuple_New (2); | |
381 | if (!result) | |
382 | goto failarg; | |
383 | ||
384 | if (PyTuple_SetItem (result, 0, low_bound) != 0) | |
385 | { | |
386 | Py_DECREF (result); | |
387 | goto failarg; | |
388 | } | |
389 | if (PyTuple_SetItem (result, 1, high_bound) != 0) | |
390 | { | |
391 | Py_DECREF (high_bound); | |
392 | Py_DECREF (result); | |
393 | return NULL; | |
394 | } | |
395 | return result; | |
396 | ||
397 | failarg: | |
398 | Py_XDECREF (high_bound); | |
399 | Py_XDECREF (low_bound); | |
400 | return NULL; | |
401 | } | |
402 | ||
2c74e833 TT |
403 | /* Return a Type object which represents a reference to SELF. */ |
404 | static PyObject * | |
405 | typy_reference (PyObject *self, PyObject *args) | |
406 | { | |
407 | struct type *type = ((type_object *) self)->type; | |
408 | volatile struct gdb_exception except; | |
409 | ||
410 | TRY_CATCH (except, RETURN_MASK_ALL) | |
411 | { | |
412 | type = lookup_reference_type (type); | |
413 | } | |
414 | GDB_PY_HANDLE_EXCEPTION (except); | |
415 | ||
416 | return type_to_type_object (type); | |
417 | } | |
418 | ||
419 | /* Return a Type object which represents the target type of SELF. */ | |
420 | static PyObject * | |
421 | typy_target (PyObject *self, PyObject *args) | |
422 | { | |
423 | struct type *type = ((type_object *) self)->type; | |
424 | ||
425 | if (!TYPE_TARGET_TYPE (type)) | |
426 | { | |
044c0f87 PM |
427 | PyErr_SetString (PyExc_RuntimeError, |
428 | _("Type does not have a target.")); | |
2c74e833 TT |
429 | return NULL; |
430 | } | |
431 | ||
432 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
433 | } | |
434 | ||
435 | /* Return a const-qualified type variant. */ | |
436 | static PyObject * | |
437 | typy_const (PyObject *self, PyObject *args) | |
438 | { | |
439 | struct type *type = ((type_object *) self)->type; | |
440 | volatile struct gdb_exception except; | |
441 | ||
442 | TRY_CATCH (except, RETURN_MASK_ALL) | |
443 | { | |
444 | type = make_cv_type (1, 0, type, NULL); | |
445 | } | |
446 | GDB_PY_HANDLE_EXCEPTION (except); | |
447 | ||
448 | return type_to_type_object (type); | |
449 | } | |
450 | ||
451 | /* Return a volatile-qualified type variant. */ | |
452 | static PyObject * | |
453 | typy_volatile (PyObject *self, PyObject *args) | |
454 | { | |
455 | struct type *type = ((type_object *) self)->type; | |
456 | volatile struct gdb_exception except; | |
457 | ||
458 | TRY_CATCH (except, RETURN_MASK_ALL) | |
459 | { | |
460 | type = make_cv_type (0, 1, type, NULL); | |
461 | } | |
462 | GDB_PY_HANDLE_EXCEPTION (except); | |
463 | ||
464 | return type_to_type_object (type); | |
465 | } | |
466 | ||
467 | /* Return an unqualified type variant. */ | |
468 | static PyObject * | |
469 | typy_unqualified (PyObject *self, PyObject *args) | |
470 | { | |
471 | struct type *type = ((type_object *) self)->type; | |
472 | volatile struct gdb_exception except; | |
473 | ||
474 | TRY_CATCH (except, RETURN_MASK_ALL) | |
475 | { | |
476 | type = make_cv_type (0, 0, type, NULL); | |
477 | } | |
478 | GDB_PY_HANDLE_EXCEPTION (except); | |
479 | ||
480 | return type_to_type_object (type); | |
481 | } | |
482 | ||
483 | /* Return the size of the type represented by SELF, in bytes. */ | |
484 | static PyObject * | |
485 | typy_get_sizeof (PyObject *self, void *closure) | |
486 | { | |
487 | struct type *type = ((type_object *) self)->type; | |
488 | volatile struct gdb_exception except; | |
489 | ||
490 | TRY_CATCH (except, RETURN_MASK_ALL) | |
491 | { | |
492 | check_typedef (type); | |
493 | } | |
494 | /* Ignore exceptions. */ | |
495 | ||
496 | return PyLong_FromLong (TYPE_LENGTH (type)); | |
497 | } | |
498 | ||
499 | static struct type * | |
5107b149 | 500 | typy_lookup_typename (char *type_name, struct block *block) |
2c74e833 TT |
501 | { |
502 | struct type *type = NULL; | |
503 | volatile struct gdb_exception except; | |
d59b6f6c | 504 | |
2c74e833 TT |
505 | TRY_CATCH (except, RETURN_MASK_ALL) |
506 | { | |
507 | if (!strncmp (type_name, "struct ", 7)) | |
508 | type = lookup_struct (type_name + 7, NULL); | |
509 | else if (!strncmp (type_name, "union ", 6)) | |
510 | type = lookup_union (type_name + 6, NULL); | |
511 | else if (!strncmp (type_name, "enum ", 5)) | |
512 | type = lookup_enum (type_name + 5, NULL); | |
513 | else | |
d452c4bc | 514 | type = lookup_typename (python_language, python_gdbarch, |
5107b149 | 515 | type_name, block, 0); |
2c74e833 TT |
516 | } |
517 | if (except.reason < 0) | |
518 | { | |
519 | PyErr_Format (except.reason == RETURN_QUIT | |
520 | ? PyExc_KeyboardInterrupt : PyExc_RuntimeError, | |
521 | "%s", except.message); | |
522 | return NULL; | |
523 | } | |
524 | ||
525 | return type; | |
526 | } | |
527 | ||
528 | static struct type * | |
5107b149 PM |
529 | typy_lookup_type (struct demangle_component *demangled, |
530 | struct block *block) | |
2c74e833 TT |
531 | { |
532 | struct type *type; | |
533 | char *type_name; | |
534 | enum demangle_component_type demangled_type; | |
535 | ||
536 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
537 | memory pointed by demangled. */ | |
538 | demangled_type = demangled->type; | |
539 | ||
540 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
541 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
542 | || demangled_type == DEMANGLE_COMPONENT_CONST | |
543 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
544 | { | |
5107b149 | 545 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
546 | if (! type) |
547 | return NULL; | |
548 | ||
549 | switch (demangled_type) | |
550 | { | |
551 | case DEMANGLE_COMPONENT_REFERENCE: | |
552 | return lookup_reference_type (type); | |
553 | case DEMANGLE_COMPONENT_POINTER: | |
554 | return lookup_pointer_type (type); | |
555 | case DEMANGLE_COMPONENT_CONST: | |
556 | return make_cv_type (1, 0, type, NULL); | |
557 | case DEMANGLE_COMPONENT_VOLATILE: | |
558 | return make_cv_type (0, 1, type, NULL); | |
559 | } | |
560 | } | |
561 | ||
562 | type_name = cp_comp_to_string (demangled, 10); | |
5107b149 | 563 | type = typy_lookup_typename (type_name, block); |
2c74e833 TT |
564 | xfree (type_name); |
565 | ||
566 | return type; | |
567 | } | |
568 | ||
326fd672 TT |
569 | /* This is a helper function for typy_template_argument that is used |
570 | when the type does not have template symbols attached. It works by | |
571 | parsing the type name. This happens with compilers, like older | |
572 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
573 | ||
2c74e833 | 574 | static PyObject * |
326fd672 TT |
575 | typy_legacy_template_argument (struct type *type, struct block *block, |
576 | int argno) | |
2c74e833 | 577 | { |
326fd672 | 578 | int i; |
2c74e833 TT |
579 | struct demangle_component *demangled; |
580 | const char *err; | |
581 | struct type *argtype; | |
2c74e833 TT |
582 | |
583 | if (TYPE_NAME (type) == NULL) | |
584 | { | |
5107b149 | 585 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
586 | return NULL; |
587 | } | |
588 | ||
589 | /* Note -- this is not thread-safe. */ | |
590 | demangled = cp_demangled_name_to_comp (TYPE_NAME (type), &err); | |
591 | if (! demangled) | |
592 | { | |
593 | PyErr_SetString (PyExc_RuntimeError, err); | |
594 | return NULL; | |
595 | } | |
596 | ||
597 | /* Strip off component names. */ | |
598 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
599 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
600 | demangled = demangled->u.s_binary.right; | |
601 | ||
602 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
603 | { | |
5107b149 | 604 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
605 | return NULL; |
606 | } | |
607 | ||
608 | /* Skip from the template to the arguments. */ | |
609 | demangled = demangled->u.s_binary.right; | |
610 | ||
611 | for (i = 0; demangled && i < argno; ++i) | |
612 | demangled = demangled->u.s_binary.right; | |
613 | ||
614 | if (! demangled) | |
615 | { | |
5107b149 | 616 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
617 | argno); |
618 | return NULL; | |
619 | } | |
620 | ||
5107b149 | 621 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
622 | if (! argtype) |
623 | return NULL; | |
624 | ||
625 | return type_to_type_object (argtype); | |
326fd672 TT |
626 | } |
627 | ||
628 | static PyObject * | |
629 | typy_template_argument (PyObject *self, PyObject *args) | |
630 | { | |
631 | int argno; | |
632 | struct type *type = ((type_object *) self)->type; | |
633 | struct block *block = NULL; | |
634 | PyObject *block_obj = NULL; | |
635 | struct symbol *sym; | |
636 | struct value *val = NULL; | |
637 | volatile struct gdb_exception except; | |
638 | ||
639 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
640 | return NULL; | |
641 | ||
642 | if (block_obj) | |
643 | { | |
644 | block = block_object_to_block (block_obj); | |
645 | if (! block) | |
646 | { | |
647 | PyErr_SetString (PyExc_RuntimeError, | |
648 | _("Second argument must be block.")); | |
649 | return NULL; | |
650 | } | |
651 | } | |
652 | ||
05d0e1e7 TT |
653 | TRY_CATCH (except, RETURN_MASK_ALL) |
654 | { | |
655 | type = check_typedef (type); | |
656 | if (TYPE_CODE (type) == TYPE_CODE_REF) | |
657 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
658 | } | |
659 | GDB_PY_HANDLE_EXCEPTION (except); | |
326fd672 TT |
660 | |
661 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
662 | name. This is inefficient if we do not have a template type -- | |
663 | but that is going to wind up as an error anyhow. */ | |
664 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
665 | return typy_legacy_template_argument (type, block, argno); | |
666 | ||
667 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
668 | { | |
669 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
670 | argno); | |
671 | return NULL; | |
672 | } | |
673 | ||
674 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
675 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
676 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
677 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
678 | { | |
679 | PyErr_Format (PyExc_RuntimeError, | |
680 | _("Template argument is optimized out")); | |
681 | return NULL; | |
682 | } | |
683 | ||
684 | TRY_CATCH (except, RETURN_MASK_ALL) | |
685 | { | |
686 | val = value_of_variable (sym, block); | |
687 | } | |
688 | GDB_PY_HANDLE_EXCEPTION (except); | |
689 | ||
690 | return value_to_value_object (val); | |
2c74e833 TT |
691 | } |
692 | ||
693 | static PyObject * | |
694 | typy_str (PyObject *self) | |
695 | { | |
696 | volatile struct gdb_exception except; | |
697 | char *thetype = NULL; | |
759ef836 | 698 | long length = 0; |
2c74e833 TT |
699 | PyObject *result; |
700 | ||
701 | TRY_CATCH (except, RETURN_MASK_ALL) | |
702 | { | |
703 | struct cleanup *old_chain; | |
704 | struct ui_file *stb; | |
2c74e833 TT |
705 | |
706 | stb = mem_fileopen (); | |
707 | old_chain = make_cleanup_ui_file_delete (stb); | |
708 | ||
709 | type_print (type_object_to_type (self), "", stb, -1); | |
710 | ||
711 | thetype = ui_file_xstrdup (stb, &length); | |
712 | do_cleanups (old_chain); | |
713 | } | |
714 | if (except.reason < 0) | |
715 | { | |
716 | xfree (thetype); | |
717 | GDB_PY_HANDLE_EXCEPTION (except); | |
718 | } | |
719 | ||
759ef836 | 720 | result = PyUnicode_Decode (thetype, length, host_charset (), NULL); |
2c74e833 TT |
721 | xfree (thetype); |
722 | ||
723 | return result; | |
724 | } | |
725 | ||
d839c8a4 TT |
726 | /* An entry in the type-equality bcache. */ |
727 | ||
728 | typedef struct type_equality_entry | |
729 | { | |
730 | struct type *type1, *type2; | |
731 | } type_equality_entry_d; | |
732 | ||
733 | DEF_VEC_O (type_equality_entry_d); | |
734 | ||
735 | /* A helper function to compare two strings. Returns 1 if they are | |
736 | the same, 0 otherwise. Handles NULLs properly. */ | |
737 | ||
738 | static int | |
739 | compare_strings (const char *s, const char *t) | |
740 | { | |
741 | if (s == NULL && t != NULL) | |
742 | return 0; | |
743 | else if (s != NULL && t == NULL) | |
744 | return 0; | |
745 | else if (s == NULL && t== NULL) | |
746 | return 1; | |
747 | return strcmp (s, t) == 0; | |
748 | } | |
749 | ||
750 | /* A helper function for typy_richcompare that checks two types for | |
751 | "deep" equality. Returns Py_EQ if the types are considered the | |
752 | same, Py_NE otherwise. */ | |
753 | ||
754 | static int | |
755 | check_types_equal (struct type *type1, struct type *type2, | |
756 | VEC (type_equality_entry_d) **worklist) | |
757 | { | |
758 | CHECK_TYPEDEF (type1); | |
759 | CHECK_TYPEDEF (type2); | |
760 | ||
761 | if (type1 == type2) | |
762 | return Py_EQ; | |
763 | ||
764 | if (TYPE_CODE (type1) != TYPE_CODE (type2) | |
765 | || TYPE_LENGTH (type1) != TYPE_LENGTH (type2) | |
766 | || TYPE_UNSIGNED (type1) != TYPE_UNSIGNED (type2) | |
767 | || TYPE_NOSIGN (type1) != TYPE_NOSIGN (type2) | |
768 | || TYPE_VARARGS (type1) != TYPE_VARARGS (type2) | |
769 | || TYPE_VECTOR (type1) != TYPE_VECTOR (type2) | |
770 | || TYPE_NOTTEXT (type1) != TYPE_NOTTEXT (type2) | |
771 | || TYPE_INSTANCE_FLAGS (type1) != TYPE_INSTANCE_FLAGS (type2) | |
772 | || TYPE_NFIELDS (type1) != TYPE_NFIELDS (type2)) | |
773 | return Py_NE; | |
774 | ||
775 | if (!compare_strings (TYPE_TAG_NAME (type1), TYPE_TAG_NAME (type2))) | |
776 | return Py_NE; | |
777 | if (!compare_strings (TYPE_NAME (type1), TYPE_NAME (type2))) | |
778 | return Py_NE; | |
779 | ||
780 | if (TYPE_CODE (type1) == TYPE_CODE_RANGE) | |
781 | { | |
782 | if (memcmp (TYPE_RANGE_DATA (type1), TYPE_RANGE_DATA (type2), | |
783 | sizeof (*TYPE_RANGE_DATA (type1))) != 0) | |
784 | return Py_NE; | |
785 | } | |
786 | else | |
787 | { | |
788 | int i; | |
789 | ||
790 | for (i = 0; i < TYPE_NFIELDS (type1); ++i) | |
791 | { | |
792 | const struct field *field1 = &TYPE_FIELD (type1, i); | |
793 | const struct field *field2 = &TYPE_FIELD (type2, i); | |
794 | struct type_equality_entry entry; | |
795 | ||
796 | if (FIELD_ARTIFICIAL (*field1) != FIELD_ARTIFICIAL (*field2) | |
797 | || FIELD_BITSIZE (*field1) != FIELD_BITSIZE (*field2) | |
798 | || FIELD_LOC_KIND (*field1) != FIELD_LOC_KIND (*field2)) | |
799 | return Py_NE; | |
800 | if (!compare_strings (FIELD_NAME (*field1), FIELD_NAME (*field2))) | |
801 | return Py_NE; | |
802 | switch (FIELD_LOC_KIND (*field1)) | |
803 | { | |
804 | case FIELD_LOC_KIND_BITPOS: | |
805 | if (FIELD_BITPOS (*field1) != FIELD_BITPOS (*field2)) | |
806 | return Py_NE; | |
807 | break; | |
808 | case FIELD_LOC_KIND_PHYSADDR: | |
809 | if (FIELD_STATIC_PHYSADDR (*field1) | |
810 | != FIELD_STATIC_PHYSADDR (*field2)) | |
811 | return Py_NE; | |
812 | break; | |
813 | case FIELD_LOC_KIND_PHYSNAME: | |
814 | if (!compare_strings (FIELD_STATIC_PHYSNAME (*field1), | |
815 | FIELD_STATIC_PHYSNAME (*field2))) | |
816 | return Py_NE; | |
817 | break; | |
818 | } | |
819 | ||
820 | entry.type1 = FIELD_TYPE (*field1); | |
821 | entry.type2 = FIELD_TYPE (*field2); | |
822 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
823 | } | |
824 | } | |
825 | ||
826 | if (TYPE_TARGET_TYPE (type1) != NULL) | |
827 | { | |
828 | struct type_equality_entry entry; | |
829 | int added; | |
830 | ||
831 | if (TYPE_TARGET_TYPE (type2) == NULL) | |
832 | return Py_NE; | |
833 | ||
834 | entry.type1 = TYPE_TARGET_TYPE (type1); | |
835 | entry.type2 = TYPE_TARGET_TYPE (type2); | |
836 | VEC_safe_push (type_equality_entry_d, *worklist, &entry); | |
837 | } | |
838 | else if (TYPE_TARGET_TYPE (type2) != NULL) | |
839 | return Py_NE; | |
840 | ||
841 | return Py_EQ; | |
842 | } | |
843 | ||
844 | /* Check types on a worklist for equality. Returns Py_NE if any pair | |
845 | is not equal, Py_EQ if they are all considered equal. */ | |
846 | ||
847 | static int | |
848 | check_types_worklist (VEC (type_equality_entry_d) **worklist, | |
849 | struct bcache *cache) | |
850 | { | |
851 | while (!VEC_empty (type_equality_entry_d, *worklist)) | |
852 | { | |
853 | struct type_equality_entry entry; | |
854 | int added; | |
855 | ||
856 | entry = *VEC_last (type_equality_entry_d, *worklist); | |
857 | VEC_pop (type_equality_entry_d, *worklist); | |
858 | ||
859 | /* If the type pair has already been visited, we know it is | |
860 | ok. */ | |
861 | bcache_full (&entry, sizeof (entry), cache, &added); | |
862 | if (!added) | |
863 | continue; | |
864 | ||
865 | if (check_types_equal (entry.type1, entry.type2, worklist) == Py_NE) | |
866 | return Py_NE; | |
867 | } | |
868 | ||
869 | return Py_EQ; | |
870 | } | |
871 | ||
872 | /* Implement the richcompare method. */ | |
873 | ||
874 | static PyObject * | |
875 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
876 | { | |
877 | int result = Py_NE; | |
878 | struct type *type1 = type_object_to_type (self); | |
879 | struct type *type2 = type_object_to_type (other); | |
880 | volatile struct gdb_exception except; | |
881 | ||
882 | /* We can only compare ourselves to another Type object, and only | |
883 | for equality or inequality. */ | |
884 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
885 | { | |
886 | Py_INCREF (Py_NotImplemented); | |
887 | return Py_NotImplemented; | |
888 | } | |
889 | ||
890 | if (type1 == type2) | |
891 | result = Py_EQ; | |
892 | else | |
893 | { | |
894 | struct bcache *cache; | |
e8fd65ef | 895 | VEC (type_equality_entry_d) *worklist = NULL; |
d839c8a4 TT |
896 | struct type_equality_entry entry; |
897 | ||
cbd70537 | 898 | cache = bcache_xmalloc (NULL, NULL); |
d839c8a4 TT |
899 | |
900 | entry.type1 = type1; | |
901 | entry.type2 = type2; | |
902 | VEC_safe_push (type_equality_entry_d, worklist, &entry); | |
903 | ||
904 | TRY_CATCH (except, RETURN_MASK_ALL) | |
905 | { | |
906 | result = check_types_worklist (&worklist, cache); | |
907 | } | |
908 | if (except.reason < 0) | |
909 | result = Py_NE; | |
910 | ||
911 | bcache_xfree (cache); | |
912 | VEC_free (type_equality_entry_d, worklist); | |
913 | } | |
914 | ||
915 | if (op == result) | |
916 | Py_RETURN_TRUE; | |
917 | Py_RETURN_FALSE; | |
918 | } | |
919 | ||
2c74e833 TT |
920 | \f |
921 | ||
922 | static const struct objfile_data *typy_objfile_data_key; | |
923 | ||
924 | static void | |
c1bd65d0 | 925 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 TT |
926 | { |
927 | type_object *obj = datum; | |
928 | htab_t copied_types; | |
929 | struct cleanup *cleanup; | |
2c74e833 TT |
930 | |
931 | /* This prevents another thread from freeing the objects we're | |
932 | operating on. */ | |
d452c4bc | 933 | cleanup = ensure_python_env (get_objfile_arch (objfile), current_language); |
2c74e833 TT |
934 | |
935 | copied_types = create_copied_types_hash (objfile); | |
936 | ||
937 | while (obj) | |
938 | { | |
939 | type_object *next = obj->next; | |
940 | ||
941 | htab_empty (copied_types); | |
942 | ||
943 | obj->type = copy_type_recursive (objfile, obj->type, copied_types); | |
944 | ||
945 | obj->next = NULL; | |
946 | obj->prev = NULL; | |
947 | ||
948 | obj = next; | |
949 | } | |
950 | ||
951 | htab_delete (copied_types); | |
952 | ||
953 | do_cleanups (cleanup); | |
954 | } | |
955 | ||
956 | static void | |
957 | set_type (type_object *obj, struct type *type) | |
958 | { | |
959 | obj->type = type; | |
960 | obj->prev = NULL; | |
961 | if (type && TYPE_OBJFILE (type)) | |
962 | { | |
963 | struct objfile *objfile = TYPE_OBJFILE (type); | |
964 | ||
965 | obj->next = objfile_data (objfile, typy_objfile_data_key); | |
966 | if (obj->next) | |
967 | obj->next->prev = obj; | |
968 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
969 | } | |
970 | else | |
971 | obj->next = NULL; | |
972 | } | |
973 | ||
974 | static void | |
975 | typy_dealloc (PyObject *obj) | |
976 | { | |
977 | type_object *type = (type_object *) obj; | |
978 | ||
979 | if (type->prev) | |
980 | type->prev->next = type->next; | |
981 | else if (type->type && TYPE_OBJFILE (type->type)) | |
982 | { | |
983 | /* Must reset head of list. */ | |
984 | struct objfile *objfile = TYPE_OBJFILE (type->type); | |
d59b6f6c | 985 | |
2c74e833 TT |
986 | if (objfile) |
987 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
988 | } | |
989 | if (type->next) | |
990 | type->next->prev = type->prev; | |
991 | ||
992 | type->ob_type->tp_free (type); | |
993 | } | |
994 | ||
995 | /* Create a new Type referring to TYPE. */ | |
996 | PyObject * | |
997 | type_to_type_object (struct type *type) | |
998 | { | |
999 | type_object *type_obj; | |
1000 | ||
1001 | type_obj = PyObject_New (type_object, &type_object_type); | |
1002 | if (type_obj) | |
1003 | set_type (type_obj, type); | |
1004 | ||
1005 | return (PyObject *) type_obj; | |
1006 | } | |
1007 | ||
1008 | struct type * | |
1009 | type_object_to_type (PyObject *obj) | |
1010 | { | |
1011 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1012 | return NULL; | |
1013 | return ((type_object *) obj)->type; | |
1014 | } | |
1015 | ||
1016 | \f | |
1017 | ||
1018 | /* Implementation of gdb.lookup_type. */ | |
1019 | PyObject * | |
1020 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1021 | { | |
5107b149 | 1022 | static char *keywords[] = { "name", "block", NULL }; |
2c74e833 TT |
1023 | char *type_name = NULL; |
1024 | struct type *type = NULL; | |
5107b149 PM |
1025 | PyObject *block_obj = NULL; |
1026 | struct block *block = NULL; | |
2c74e833 | 1027 | |
5107b149 PM |
1028 | if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1029 | &type_name, &block_obj)) | |
2c74e833 TT |
1030 | return NULL; |
1031 | ||
5107b149 PM |
1032 | if (block_obj) |
1033 | { | |
1034 | block = block_object_to_block (block_obj); | |
1035 | if (! block) | |
1036 | { | |
1037 | PyErr_SetString (PyExc_RuntimeError, | |
1038 | _("'block' argument must be a Block.")); | |
1039 | return NULL; | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1044 | if (! type) |
1045 | return NULL; | |
1046 | ||
1047 | return (PyObject *) type_to_type_object (type); | |
1048 | } | |
1049 | ||
1050 | void | |
1051 | gdbpy_initialize_types (void) | |
1052 | { | |
1053 | int i; | |
1054 | ||
1055 | typy_objfile_data_key | |
c1bd65d0 | 1056 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); |
2c74e833 TT |
1057 | |
1058 | if (PyType_Ready (&type_object_type) < 0) | |
1059 | return; | |
1060 | if (PyType_Ready (&field_object_type) < 0) | |
1061 | return; | |
1062 | ||
1063 | for (i = 0; pyty_codes[i].name; ++i) | |
1064 | { | |
1065 | if (PyModule_AddIntConstant (gdb_module, | |
1066 | /* Cast needed for Python 2.4. */ | |
1067 | (char *) pyty_codes[i].name, | |
1068 | pyty_codes[i].code) < 0) | |
1069 | return; | |
1070 | } | |
1071 | ||
1072 | Py_INCREF (&type_object_type); | |
1073 | PyModule_AddObject (gdb_module, "Type", (PyObject *) &type_object_type); | |
1074 | ||
1075 | Py_INCREF (&field_object_type); | |
1076 | PyModule_AddObject (gdb_module, "Field", (PyObject *) &field_object_type); | |
1077 | } | |
1078 | ||
1079 | \f | |
1080 | ||
1081 | static PyGetSetDef type_object_getset[] = | |
1082 | { | |
1083 | { "code", typy_get_code, NULL, | |
1084 | "The code for this type.", NULL }, | |
1085 | { "sizeof", typy_get_sizeof, NULL, | |
1086 | "The size of this type, in bytes.", NULL }, | |
1087 | { "tag", typy_get_tag, NULL, | |
1088 | "The tag name for this type, or None.", NULL }, | |
1089 | { NULL } | |
1090 | }; | |
1091 | ||
1092 | static PyMethodDef type_object_methods[] = | |
1093 | { | |
702c2711 TT |
1094 | { "array", typy_array, METH_VARARGS, |
1095 | "array (N) -> Type\n\ | |
1096 | Return a type which represents an array of N objects of this type." }, | |
2c74e833 TT |
1097 | { "const", typy_const, METH_NOARGS, |
1098 | "const () -> Type\n\ | |
1099 | Return a const variant of this type." }, | |
1100 | { "fields", typy_fields, METH_NOARGS, | |
1101 | "field () -> list\n\ | |
1102 | Return a sequence holding all the fields of this type.\n\ | |
1103 | Each field is a dictionary." }, | |
1104 | { "pointer", typy_pointer, METH_NOARGS, | |
1105 | "pointer () -> Type\n\ | |
1106 | Return a type of pointer to this type." }, | |
361ae042 PM |
1107 | { "range", typy_range, METH_NOARGS, |
1108 | "range () -> tuple\n\ | |
1109 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1110 | { "reference", typy_reference, METH_NOARGS, |
1111 | "reference () -> Type\n\ | |
1112 | Return a type of reference to this type." }, | |
1113 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1114 | "strip_typedefs () -> Type\n\ | |
1115 | Return a type formed by stripping this type of all typedefs."}, | |
1116 | { "target", typy_target, METH_NOARGS, | |
1117 | "target () -> Type\n\ | |
1118 | Return the target type of this type." }, | |
1119 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1120 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1121 | Return the type of a template argument." }, |
1122 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1123 | "unqualified () -> Type\n\ | |
1124 | Return a variant of this type without const or volatile attributes." }, | |
1125 | { "volatile", typy_volatile, METH_NOARGS, | |
1126 | "volatile () -> Type\n\ | |
1127 | Return a volatile variant of this type" }, | |
1128 | { NULL } | |
1129 | }; | |
1130 | ||
1131 | static PyTypeObject type_object_type = | |
1132 | { | |
1133 | PyObject_HEAD_INIT (NULL) | |
1134 | 0, /*ob_size*/ | |
1135 | "gdb.Type", /*tp_name*/ | |
1136 | sizeof (type_object), /*tp_basicsize*/ | |
1137 | 0, /*tp_itemsize*/ | |
1138 | typy_dealloc, /*tp_dealloc*/ | |
1139 | 0, /*tp_print*/ | |
1140 | 0, /*tp_getattr*/ | |
1141 | 0, /*tp_setattr*/ | |
1142 | 0, /*tp_compare*/ | |
1143 | 0, /*tp_repr*/ | |
1144 | 0, /*tp_as_number*/ | |
1145 | 0, /*tp_as_sequence*/ | |
1146 | 0, /*tp_as_mapping*/ | |
1147 | 0, /*tp_hash */ | |
1148 | 0, /*tp_call*/ | |
1149 | typy_str, /*tp_str*/ | |
1150 | 0, /*tp_getattro*/ | |
1151 | 0, /*tp_setattro*/ | |
1152 | 0, /*tp_as_buffer*/ | |
1153 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1154 | "GDB type object", /* tp_doc */ | |
1155 | 0, /* tp_traverse */ | |
1156 | 0, /* tp_clear */ | |
d839c8a4 | 1157 | typy_richcompare, /* tp_richcompare */ |
2c74e833 TT |
1158 | 0, /* tp_weaklistoffset */ |
1159 | 0, /* tp_iter */ | |
1160 | 0, /* tp_iternext */ | |
1161 | type_object_methods, /* tp_methods */ | |
1162 | 0, /* tp_members */ | |
1163 | type_object_getset, /* tp_getset */ | |
1164 | 0, /* tp_base */ | |
1165 | 0, /* tp_dict */ | |
1166 | 0, /* tp_descr_get */ | |
1167 | 0, /* tp_descr_set */ | |
1168 | 0, /* tp_dictoffset */ | |
1169 | 0, /* tp_init */ | |
1170 | 0, /* tp_alloc */ | |
1171 | 0, /* tp_new */ | |
1172 | }; | |
1173 | ||
1174 | static PyTypeObject field_object_type = | |
1175 | { | |
1176 | PyObject_HEAD_INIT (NULL) | |
1177 | 0, /*ob_size*/ | |
1178 | "gdb.Field", /*tp_name*/ | |
1179 | sizeof (field_object), /*tp_basicsize*/ | |
1180 | 0, /*tp_itemsize*/ | |
1181 | field_dealloc, /*tp_dealloc*/ | |
1182 | 0, /*tp_print*/ | |
1183 | 0, /*tp_getattr*/ | |
1184 | 0, /*tp_setattr*/ | |
1185 | 0, /*tp_compare*/ | |
1186 | 0, /*tp_repr*/ | |
1187 | 0, /*tp_as_number*/ | |
1188 | 0, /*tp_as_sequence*/ | |
1189 | 0, /*tp_as_mapping*/ | |
1190 | 0, /*tp_hash */ | |
1191 | 0, /*tp_call*/ | |
1192 | 0, /*tp_str*/ | |
1193 | 0, /*tp_getattro*/ | |
1194 | 0, /*tp_setattro*/ | |
1195 | 0, /*tp_as_buffer*/ | |
1196 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1197 | "GDB field object", /* tp_doc */ | |
1198 | 0, /* tp_traverse */ | |
1199 | 0, /* tp_clear */ | |
1200 | 0, /* tp_richcompare */ | |
1201 | 0, /* tp_weaklistoffset */ | |
1202 | 0, /* tp_iter */ | |
1203 | 0, /* tp_iternext */ | |
1204 | 0, /* tp_methods */ | |
1205 | 0, /* tp_members */ | |
1206 | 0, /* tp_getset */ | |
1207 | 0, /* tp_base */ | |
1208 | 0, /* tp_dict */ | |
1209 | 0, /* tp_descr_get */ | |
1210 | 0, /* tp_descr_set */ | |
1211 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1212 | 0, /* tp_init */ | |
1213 | 0, /* tp_alloc */ | |
1214 | 0, /* tp_new */ | |
1215 | }; |