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2c74e833 TT |
1 | /* Python interface to types. |
2 | ||
e2882c85 | 3 | Copyright (C) 2008-2018 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" | |
2c74e833 TT |
22 | #include "python-internal.h" |
23 | #include "charset.h" | |
24 | #include "gdbtypes.h" | |
25 | #include "cp-support.h" | |
26 | #include "demangle.h" | |
27 | #include "objfiles.h" | |
e6c014f2 | 28 | #include "language.h" |
d839c8a4 | 29 | #include "vec.h" |
53342f27 | 30 | #include "typeprint.h" |
3bb43384 | 31 | #include "py-ref.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 | ||
e36122e9 | 45 | extern PyTypeObject type_object_type |
62eec1a5 | 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 | ||
e36122e9 | 57 | extern PyTypeObject field_object_type |
62eec1a5 | 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 | ||
e36122e9 | 71 | extern PyTypeObject type_iterator_object_type |
62eec1a5 | 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), | |
3fcf899d | 109 | ENTRY (TYPE_CODE_RVALUE_REF), |
2c74e833 TT |
110 | ENTRY (TYPE_CODE_CHAR), |
111 | ENTRY (TYPE_CODE_BOOL), | |
112 | ENTRY (TYPE_CODE_COMPLEX), | |
113 | ENTRY (TYPE_CODE_TYPEDEF), | |
114 | ENTRY (TYPE_CODE_NAMESPACE), | |
115 | ENTRY (TYPE_CODE_DECFLOAT), | |
116 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
117 | { TYPE_CODE_UNDEF, NULL } | |
118 | }; | |
119 | ||
120 | \f | |
121 | ||
122 | static void | |
123 | field_dealloc (PyObject *obj) | |
124 | { | |
125 | field_object *f = (field_object *) obj; | |
d59b6f6c | 126 | |
2c74e833 | 127 | Py_XDECREF (f->dict); |
9a27f2c6 | 128 | Py_TYPE (obj)->tp_free (obj); |
2c74e833 TT |
129 | } |
130 | ||
131 | static PyObject * | |
132 | field_new (void) | |
133 | { | |
88b6faea TT |
134 | gdbpy_ref<field_object> result (PyObject_New (field_object, |
135 | &field_object_type)); | |
d59b6f6c | 136 | |
88b6faea | 137 | if (result != NULL) |
2c74e833 TT |
138 | { |
139 | result->dict = PyDict_New (); | |
140 | if (!result->dict) | |
88b6faea | 141 | return NULL; |
2c74e833 | 142 | } |
88b6faea | 143 | return (PyObject *) result.release (); |
2c74e833 TT |
144 | } |
145 | ||
146 | \f | |
147 | ||
a16b0e22 SC |
148 | /* Return true if OBJ is of type gdb.Field, false otherwise. */ |
149 | ||
150 | int | |
151 | gdbpy_is_field (PyObject *obj) | |
152 | { | |
153 | return PyObject_TypeCheck (obj, &field_object_type); | |
154 | } | |
155 | ||
2c74e833 TT |
156 | /* Return the code for this type. */ |
157 | static PyObject * | |
158 | typy_get_code (PyObject *self, void *closure) | |
159 | { | |
160 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 161 | |
2c74e833 TT |
162 | return PyInt_FromLong (TYPE_CODE (type)); |
163 | } | |
164 | ||
165 | /* Helper function for typy_fields which converts a single field to a | |
a73bb892 PK |
166 | gdb.Field object. Returns NULL on error. */ |
167 | ||
2c74e833 TT |
168 | static PyObject * |
169 | convert_field (struct type *type, int field) | |
170 | { | |
7780f186 | 171 | gdbpy_ref<> result (field_new ()); |
2c74e833 | 172 | |
3bb43384 | 173 | if (result == NULL) |
2c74e833 TT |
174 | return NULL; |
175 | ||
7780f186 | 176 | gdbpy_ref<> arg (type_to_type_object (type)); |
a16b0e22 | 177 | if (arg == NULL) |
3bb43384 TT |
178 | return NULL; |
179 | if (PyObject_SetAttrString (result.get (), "parent_type", arg.get ()) < 0) | |
180 | return NULL; | |
a16b0e22 | 181 | |
2c74e833 TT |
182 | if (!field_is_static (&TYPE_FIELD (type, field))) |
183 | { | |
14e75d8e JK |
184 | const char *attrstring; |
185 | ||
186 | if (TYPE_CODE (type) == TYPE_CODE_ENUM) | |
187 | { | |
3bb43384 TT |
188 | arg.reset (gdb_py_long_from_longest (TYPE_FIELD_ENUMVAL (type, |
189 | field))); | |
14e75d8e JK |
190 | attrstring = "enumval"; |
191 | } | |
192 | else | |
193 | { | |
3bb43384 TT |
194 | arg.reset (gdb_py_long_from_longest (TYPE_FIELD_BITPOS (type, |
195 | field))); | |
14e75d8e JK |
196 | attrstring = "bitpos"; |
197 | } | |
198 | ||
3bb43384 TT |
199 | if (arg == NULL) |
200 | return NULL; | |
2c74e833 | 201 | |
4fb2c64a | 202 | /* At least python-2.4 had the second parameter non-const. */ |
3bb43384 TT |
203 | if (PyObject_SetAttrString (result.get (), (char *) attrstring, |
204 | arg.get ()) < 0) | |
205 | return NULL; | |
2c74e833 TT |
206 | } |
207 | ||
3bb43384 | 208 | arg.reset (NULL); |
2c74e833 | 209 | if (TYPE_FIELD_NAME (type, field)) |
b5b08fb4 SC |
210 | { |
211 | const char *field_name = TYPE_FIELD_NAME (type, field); | |
a8f35c2e | 212 | |
b5b08fb4 SC |
213 | if (field_name[0] != '\0') |
214 | { | |
3bb43384 | 215 | arg.reset (PyString_FromString (TYPE_FIELD_NAME (type, field))); |
b5b08fb4 | 216 | if (arg == NULL) |
3bb43384 | 217 | return NULL; |
b5b08fb4 SC |
218 | } |
219 | } | |
220 | if (arg == NULL) | |
2c74e833 | 221 | { |
3bb43384 TT |
222 | arg.reset (Py_None); |
223 | Py_INCREF (arg.get ()); | |
2c74e833 | 224 | } |
3bb43384 TT |
225 | if (PyObject_SetAttrString (result.get (), "name", arg.get ()) < 0) |
226 | return NULL; | |
2c74e833 | 227 | |
3bb43384 TT |
228 | arg.reset (TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False); |
229 | Py_INCREF (arg.get ()); | |
230 | if (PyObject_SetAttrString (result.get (), "artificial", arg.get ()) < 0) | |
231 | return NULL; | |
2c74e833 | 232 | |
4753d33b | 233 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
3bb43384 | 234 | arg.reset (field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False); |
bfd31e71 | 235 | else |
3bb43384 TT |
236 | arg.reset (Py_False); |
237 | Py_INCREF (arg.get ()); | |
238 | if (PyObject_SetAttrString (result.get (), "is_base_class", arg.get ()) < 0) | |
239 | return NULL; | |
240 | ||
241 | arg.reset (PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field))); | |
242 | if (arg == NULL) | |
243 | return NULL; | |
244 | if (PyObject_SetAttrString (result.get (), "bitsize", arg.get ()) < 0) | |
245 | return NULL; | |
2c74e833 TT |
246 | |
247 | /* A field can have a NULL type in some situations. */ | |
248 | if (TYPE_FIELD_TYPE (type, field) == NULL) | |
249 | { | |
3bb43384 TT |
250 | arg.reset (Py_None); |
251 | Py_INCREF (arg.get ()); | |
2c74e833 TT |
252 | } |
253 | else | |
3bb43384 TT |
254 | arg.reset (type_to_type_object (TYPE_FIELD_TYPE (type, field))); |
255 | if (arg == NULL) | |
256 | return NULL; | |
257 | if (PyObject_SetAttrString (result.get (), "type", arg.get ()) < 0) | |
258 | return NULL; | |
2c74e833 | 259 | |
3bb43384 | 260 | return result.release (); |
2c74e833 TT |
261 | } |
262 | ||
a73bb892 PK |
263 | /* Helper function to return the name of a field, as a gdb.Field object. |
264 | If the field doesn't have a name, None is returned. */ | |
265 | ||
2c74e833 | 266 | static PyObject * |
a73bb892 | 267 | field_name (struct type *type, int field) |
2c74e833 TT |
268 | { |
269 | PyObject *result; | |
a73bb892 PK |
270 | |
271 | if (TYPE_FIELD_NAME (type, field)) | |
272 | result = PyString_FromString (TYPE_FIELD_NAME (type, field)); | |
273 | else | |
274 | { | |
275 | result = Py_None; | |
276 | Py_INCREF (result); | |
277 | } | |
278 | return result; | |
279 | } | |
280 | ||
281 | /* Helper function for Type standard mapping methods. Returns a | |
282 | Python object for field i of the type. "kind" specifies what to | |
283 | return: the name of the field, a gdb.Field object corresponding to | |
284 | the field, or a tuple consisting of field name and gdb.Field | |
285 | object. */ | |
286 | ||
287 | static PyObject * | |
288 | make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind) | |
289 | { | |
a73bb892 PK |
290 | switch (kind) |
291 | { | |
292 | case iter_items: | |
3bb43384 | 293 | { |
7780f186 | 294 | gdbpy_ref<> key (field_name (type, i)); |
3bb43384 TT |
295 | if (key == NULL) |
296 | return NULL; | |
7780f186 | 297 | gdbpy_ref<> value (convert_field (type, i)); |
3bb43384 TT |
298 | if (value == NULL) |
299 | return NULL; | |
7780f186 | 300 | gdbpy_ref<> item (PyTuple_New (2)); |
3bb43384 TT |
301 | if (item == NULL) |
302 | return NULL; | |
303 | PyTuple_SET_ITEM (item.get (), 0, key.release ()); | |
304 | PyTuple_SET_ITEM (item.get (), 1, value.release ()); | |
305 | return item.release (); | |
306 | } | |
a73bb892 | 307 | case iter_keys: |
3bb43384 | 308 | return field_name (type, i); |
a73bb892 | 309 | case iter_values: |
3bb43384 | 310 | return convert_field (type, i); |
a73bb892 | 311 | } |
3bb43384 | 312 | gdb_assert_not_reached ("invalid gdbpy_iter_kind"); |
a73bb892 PK |
313 | } |
314 | ||
315 | /* Return a sequence of all field names, fields, or (name, field) pairs. | |
316 | Each field is a gdb.Field object. */ | |
317 | ||
318 | static PyObject * | |
319 | typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind) | |
320 | { | |
f6b47be4 | 321 | PyObject *py_type = self; |
0dab82e9 | 322 | PyObject *result = NULL, *iter = NULL; |
f6b47be4 DE |
323 | struct type *type = ((type_object *) py_type)->type; |
324 | struct type *checked_type = type; | |
325 | ||
492d29ea | 326 | TRY |
f6b47be4 | 327 | { |
f168693b | 328 | checked_type = check_typedef (checked_type); |
f6b47be4 | 329 | } |
492d29ea PA |
330 | CATCH (except, RETURN_MASK_ALL) |
331 | { | |
332 | GDB_PY_HANDLE_EXCEPTION (except); | |
333 | } | |
334 | END_CATCH | |
f6b47be4 DE |
335 | |
336 | if (checked_type != type) | |
337 | py_type = type_to_type_object (checked_type); | |
338 | iter = typy_make_iter (py_type, kind); | |
339 | if (checked_type != type) | |
340 | { | |
341 | /* Need to wrap this in braces because Py_DECREF isn't wrapped | |
342 | in a do{}while(0). */ | |
343 | Py_DECREF (py_type); | |
344 | } | |
345 | if (iter != NULL) | |
346 | { | |
347 | result = PySequence_List (iter); | |
348 | Py_DECREF (iter); | |
349 | } | |
350 | ||
2c74e833 | 351 | return result; |
a73bb892 PK |
352 | } |
353 | ||
354 | /* Return a sequence of all fields. Each field is a gdb.Field object. */ | |
355 | ||
356 | static PyObject * | |
9cc10fd1 | 357 | typy_values (PyObject *self, PyObject *args) |
a73bb892 PK |
358 | { |
359 | return typy_fields_items (self, iter_values); | |
360 | } | |
361 | ||
9cc10fd1 | 362 | /* Return a sequence of all fields. Each field is a gdb.Field object. |
256458bc | 363 | This method is similar to typy_values, except where the supplied |
9cc10fd1 PK |
364 | gdb.Type is an array, in which case it returns a list of one entry |
365 | which is a gdb.Field object for a range (the array bounds). */ | |
366 | ||
367 | static PyObject * | |
368 | typy_fields (PyObject *self, PyObject *args) | |
369 | { | |
370 | struct type *type = ((type_object *) self)->type; | |
256458bc | 371 | |
9cc10fd1 PK |
372 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY) |
373 | return typy_fields_items (self, iter_values); | |
374 | ||
375 | /* Array type. Handle this as a special case because the common | |
376 | machinery wants struct or union or enum types. Build a list of | |
377 | one entry which is the range for the array. */ | |
7780f186 | 378 | gdbpy_ref<> r (convert_field (type, 0)); |
9cc10fd1 PK |
379 | if (r == NULL) |
380 | return NULL; | |
256458bc | 381 | |
3bb43384 | 382 | return Py_BuildValue ("[O]", r.get ()); |
9cc10fd1 PK |
383 | } |
384 | ||
a73bb892 PK |
385 | /* Return a sequence of all field names. Each field is a gdb.Field object. */ |
386 | ||
387 | static PyObject * | |
388 | typy_field_names (PyObject *self, PyObject *args) | |
389 | { | |
390 | return typy_fields_items (self, iter_keys); | |
391 | } | |
392 | ||
256458bc | 393 | /* Return a sequence of all (name, fields) pairs. Each field is a |
a73bb892 PK |
394 | gdb.Field object. */ |
395 | ||
396 | static PyObject * | |
397 | typy_items (PyObject *self, PyObject *args) | |
398 | { | |
399 | return typy_fields_items (self, iter_items); | |
2c74e833 TT |
400 | } |
401 | ||
c0d48811 JB |
402 | /* Return the type's name, or None. */ |
403 | ||
404 | static PyObject * | |
405 | typy_get_name (PyObject *self, void *closure) | |
406 | { | |
407 | struct type *type = ((type_object *) self)->type; | |
408 | ||
409 | if (TYPE_NAME (type) == NULL) | |
410 | Py_RETURN_NONE; | |
411 | return PyString_FromString (TYPE_NAME (type)); | |
412 | } | |
413 | ||
2c74e833 TT |
414 | /* Return the type's tag, or None. */ |
415 | static PyObject * | |
416 | typy_get_tag (PyObject *self, void *closure) | |
417 | { | |
418 | struct type *type = ((type_object *) self)->type; | |
e86ca25f | 419 | const char *tagname = nullptr; |
d59b6f6c | 420 | |
e86ca25f TT |
421 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT |
422 | || TYPE_CODE (type) == TYPE_CODE_UNION | |
423 | || TYPE_CODE (type) == TYPE_CODE_ENUM) | |
424 | tagname = TYPE_NAME (type); | |
425 | ||
426 | if (tagname == nullptr) | |
2c74e833 | 427 | Py_RETURN_NONE; |
e86ca25f | 428 | return PyString_FromString (tagname); |
2c74e833 TT |
429 | } |
430 | ||
431 | /* Return the type, stripped of typedefs. */ | |
432 | static PyObject * | |
433 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
434 | { | |
435 | struct type *type = ((type_object *) self)->type; | |
5d9c5995 | 436 | |
492d29ea | 437 | TRY |
5d9c5995 PM |
438 | { |
439 | type = check_typedef (type); | |
440 | } | |
492d29ea PA |
441 | CATCH (except, RETURN_MASK_ALL) |
442 | { | |
443 | GDB_PY_HANDLE_EXCEPTION (except); | |
444 | } | |
445 | END_CATCH | |
2c74e833 | 446 | |
bc9abe4a | 447 | return type_to_type_object (type); |
2c74e833 TT |
448 | } |
449 | ||
9cc10fd1 PK |
450 | /* Strip typedefs and pointers/reference from a type. Then check that |
451 | it is a struct, union, or enum type. If not, raise TypeError. */ | |
452 | ||
453 | static struct type * | |
454 | typy_get_composite (struct type *type) | |
455 | { | |
9cc10fd1 PK |
456 | |
457 | for (;;) | |
458 | { | |
492d29ea | 459 | TRY |
9cc10fd1 | 460 | { |
f168693b | 461 | type = check_typedef (type); |
9cc10fd1 | 462 | } |
492d29ea PA |
463 | CATCH (except, RETURN_MASK_ALL) |
464 | { | |
465 | GDB_PY_HANDLE_EXCEPTION (except); | |
466 | } | |
467 | END_CATCH | |
9cc10fd1 | 468 | |
aa006118 | 469 | if (TYPE_CODE (type) != TYPE_CODE_PTR && !TYPE_IS_REFERENCE (type)) |
9cc10fd1 PK |
470 | break; |
471 | type = TYPE_TARGET_TYPE (type); | |
472 | } | |
473 | ||
474 | /* If this is not a struct, union, or enum type, raise TypeError | |
475 | exception. */ | |
256458bc | 476 | if (TYPE_CODE (type) != TYPE_CODE_STRUCT |
9cc10fd1 | 477 | && TYPE_CODE (type) != TYPE_CODE_UNION |
bed91f4d SM |
478 | && TYPE_CODE (type) != TYPE_CODE_ENUM |
479 | && TYPE_CODE (type) != TYPE_CODE_FUNC) | |
9cc10fd1 PK |
480 | { |
481 | PyErr_SetString (PyExc_TypeError, | |
bed91f4d | 482 | "Type is not a structure, union, enum, or function type."); |
9cc10fd1 PK |
483 | return NULL; |
484 | } | |
256458bc | 485 | |
9cc10fd1 PK |
486 | return type; |
487 | } | |
488 | ||
a72c3253 | 489 | /* Helper for typy_array and typy_vector. */ |
702c2711 TT |
490 | |
491 | static PyObject * | |
a72c3253 | 492 | typy_array_1 (PyObject *self, PyObject *args, int is_vector) |
702c2711 | 493 | { |
74aedc46 | 494 | long n1, n2; |
702c2711 TT |
495 | PyObject *n2_obj = NULL; |
496 | struct type *array = NULL; | |
497 | struct type *type = ((type_object *) self)->type; | |
702c2711 | 498 | |
74aedc46 | 499 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
500 | return NULL; |
501 | ||
502 | if (n2_obj) | |
503 | { | |
504 | if (!PyInt_Check (n2_obj)) | |
505 | { | |
506 | PyErr_SetString (PyExc_RuntimeError, | |
507 | _("Array bound must be an integer")); | |
508 | return NULL; | |
509 | } | |
74aedc46 TT |
510 | |
511 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
512 | return NULL; |
513 | } | |
514 | else | |
515 | { | |
516 | n2 = n1; | |
517 | n1 = 0; | |
518 | } | |
519 | ||
e810d75b | 520 | if (n2 < n1 - 1) /* Note: An empty array has n2 == n1 - 1. */ |
702c2711 TT |
521 | { |
522 | PyErr_SetString (PyExc_ValueError, | |
523 | _("Array length must not be negative")); | |
524 | return NULL; | |
525 | } | |
526 | ||
492d29ea | 527 | TRY |
702c2711 TT |
528 | { |
529 | array = lookup_array_range_type (type, n1, n2); | |
a72c3253 DE |
530 | if (is_vector) |
531 | make_vector_type (array); | |
702c2711 | 532 | } |
492d29ea PA |
533 | CATCH (except, RETURN_MASK_ALL) |
534 | { | |
535 | GDB_PY_HANDLE_EXCEPTION (except); | |
536 | } | |
537 | END_CATCH | |
702c2711 TT |
538 | |
539 | return type_to_type_object (array); | |
540 | } | |
541 | ||
a72c3253 DE |
542 | /* Return an array type. */ |
543 | ||
544 | static PyObject * | |
545 | typy_array (PyObject *self, PyObject *args) | |
546 | { | |
547 | return typy_array_1 (self, args, 0); | |
548 | } | |
549 | ||
550 | /* Return a vector type. */ | |
551 | ||
552 | static PyObject * | |
553 | typy_vector (PyObject *self, PyObject *args) | |
554 | { | |
555 | return typy_array_1 (self, args, 1); | |
556 | } | |
557 | ||
2c74e833 TT |
558 | /* Return a Type object which represents a pointer to SELF. */ |
559 | static PyObject * | |
560 | typy_pointer (PyObject *self, PyObject *args) | |
561 | { | |
562 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 563 | |
492d29ea | 564 | TRY |
2c74e833 TT |
565 | { |
566 | type = lookup_pointer_type (type); | |
567 | } | |
492d29ea PA |
568 | CATCH (except, RETURN_MASK_ALL) |
569 | { | |
570 | GDB_PY_HANDLE_EXCEPTION (except); | |
571 | } | |
572 | END_CATCH | |
2c74e833 TT |
573 | |
574 | return type_to_type_object (type); | |
575 | } | |
576 | ||
361ae042 PM |
577 | /* Return the range of a type represented by SELF. The return type is |
578 | a tuple. The first element of the tuple contains the low bound, | |
579 | while the second element of the tuple contains the high bound. */ | |
580 | static PyObject * | |
581 | typy_range (PyObject *self, PyObject *args) | |
582 | { | |
583 | struct type *type = ((type_object *) self)->type; | |
8d099ae9 PM |
584 | /* Initialize these to appease GCC warnings. */ |
585 | LONGEST low = 0, high = 0; | |
361ae042 PM |
586 | |
587 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
588 | && TYPE_CODE (type) != TYPE_CODE_STRING | |
589 | && TYPE_CODE (type) != TYPE_CODE_RANGE) | |
590 | { | |
591 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 592 | _("This type does not have a range.")); |
361ae042 PM |
593 | return NULL; |
594 | } | |
595 | ||
596 | switch (TYPE_CODE (type)) | |
597 | { | |
598 | case TYPE_CODE_ARRAY: | |
599 | case TYPE_CODE_STRING: | |
600 | low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)); | |
601 | high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)); | |
602 | break; | |
603 | case TYPE_CODE_RANGE: | |
604 | low = TYPE_LOW_BOUND (type); | |
605 | high = TYPE_HIGH_BOUND (type); | |
606 | break; | |
607 | } | |
608 | ||
7780f186 | 609 | gdbpy_ref<> low_bound (PyLong_FromLong (low)); |
3bb43384 TT |
610 | if (low_bound == NULL) |
611 | return NULL; | |
361ae042 | 612 | |
7780f186 | 613 | gdbpy_ref<> high_bound (PyLong_FromLong (high)); |
3bb43384 TT |
614 | if (high_bound == NULL) |
615 | return NULL; | |
361ae042 | 616 | |
7780f186 | 617 | gdbpy_ref<> result (PyTuple_New (2)); |
3bb43384 TT |
618 | if (result == NULL) |
619 | return NULL; | |
256458bc | 620 | |
3bb43384 TT |
621 | if (PyTuple_SetItem (result.get (), 0, low_bound.release ()) != 0 |
622 | || PyTuple_SetItem (result.get (), 1, high_bound.release ()) != 0) | |
623 | return NULL; | |
624 | return result.release (); | |
361ae042 PM |
625 | } |
626 | ||
2c74e833 TT |
627 | /* Return a Type object which represents a reference to SELF. */ |
628 | static PyObject * | |
629 | typy_reference (PyObject *self, PyObject *args) | |
630 | { | |
631 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 632 | |
492d29ea | 633 | TRY |
2c74e833 | 634 | { |
3b224330 | 635 | type = lookup_lvalue_reference_type (type); |
2c74e833 | 636 | } |
492d29ea PA |
637 | CATCH (except, RETURN_MASK_ALL) |
638 | { | |
639 | GDB_PY_HANDLE_EXCEPTION (except); | |
640 | } | |
641 | END_CATCH | |
2c74e833 TT |
642 | |
643 | return type_to_type_object (type); | |
644 | } | |
645 | ||
646 | /* Return a Type object which represents the target type of SELF. */ | |
647 | static PyObject * | |
648 | typy_target (PyObject *self, PyObject *args) | |
649 | { | |
650 | struct type *type = ((type_object *) self)->type; | |
651 | ||
652 | if (!TYPE_TARGET_TYPE (type)) | |
653 | { | |
256458bc | 654 | PyErr_SetString (PyExc_RuntimeError, |
044c0f87 | 655 | _("Type does not have a target.")); |
2c74e833 TT |
656 | return NULL; |
657 | } | |
658 | ||
659 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
660 | } | |
661 | ||
662 | /* Return a const-qualified type variant. */ | |
663 | static PyObject * | |
664 | typy_const (PyObject *self, PyObject *args) | |
665 | { | |
666 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 667 | |
492d29ea | 668 | TRY |
2c74e833 TT |
669 | { |
670 | type = make_cv_type (1, 0, type, NULL); | |
671 | } | |
492d29ea PA |
672 | CATCH (except, RETURN_MASK_ALL) |
673 | { | |
674 | GDB_PY_HANDLE_EXCEPTION (except); | |
675 | } | |
676 | END_CATCH | |
2c74e833 TT |
677 | |
678 | return type_to_type_object (type); | |
679 | } | |
680 | ||
681 | /* Return a volatile-qualified type variant. */ | |
682 | static PyObject * | |
683 | typy_volatile (PyObject *self, PyObject *args) | |
684 | { | |
685 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 686 | |
492d29ea | 687 | TRY |
2c74e833 TT |
688 | { |
689 | type = make_cv_type (0, 1, type, NULL); | |
690 | } | |
492d29ea PA |
691 | CATCH (except, RETURN_MASK_ALL) |
692 | { | |
693 | GDB_PY_HANDLE_EXCEPTION (except); | |
694 | } | |
695 | END_CATCH | |
2c74e833 TT |
696 | |
697 | return type_to_type_object (type); | |
698 | } | |
699 | ||
700 | /* Return an unqualified type variant. */ | |
701 | static PyObject * | |
702 | typy_unqualified (PyObject *self, PyObject *args) | |
703 | { | |
704 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 705 | |
492d29ea | 706 | TRY |
2c74e833 TT |
707 | { |
708 | type = make_cv_type (0, 0, type, NULL); | |
709 | } | |
492d29ea PA |
710 | CATCH (except, RETURN_MASK_ALL) |
711 | { | |
712 | GDB_PY_HANDLE_EXCEPTION (except); | |
713 | } | |
714 | END_CATCH | |
2c74e833 TT |
715 | |
716 | return type_to_type_object (type); | |
717 | } | |
718 | ||
719 | /* Return the size of the type represented by SELF, in bytes. */ | |
720 | static PyObject * | |
721 | typy_get_sizeof (PyObject *self, void *closure) | |
722 | { | |
723 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 724 | |
492d29ea | 725 | TRY |
2c74e833 TT |
726 | { |
727 | check_typedef (type); | |
728 | } | |
492d29ea PA |
729 | CATCH (except, RETURN_MASK_ALL) |
730 | { | |
731 | } | |
732 | END_CATCH | |
733 | ||
2c74e833 TT |
734 | /* Ignore exceptions. */ |
735 | ||
200bc880 | 736 | return gdb_py_long_from_longest (TYPE_LENGTH (type)); |
2c74e833 TT |
737 | } |
738 | ||
6d7bb824 TT |
739 | /* Return the alignment of the type represented by SELF, in bytes. */ |
740 | static PyObject * | |
741 | typy_get_alignof (PyObject *self, void *closure) | |
742 | { | |
743 | struct type *type = ((type_object *) self)->type; | |
744 | ||
745 | ULONGEST align = 0; | |
746 | TRY | |
747 | { | |
748 | align = type_align (type); | |
749 | } | |
750 | CATCH (except, RETURN_MASK_ALL) | |
751 | { | |
752 | align = 0; | |
753 | } | |
754 | END_CATCH | |
755 | ||
756 | /* Ignore exceptions. */ | |
757 | ||
12dfa12a | 758 | return gdb_py_object_from_ulongest (align).release (); |
6d7bb824 TT |
759 | } |
760 | ||
2c74e833 | 761 | static struct type * |
9df2fbc4 | 762 | typy_lookup_typename (const char *type_name, const struct block *block) |
2c74e833 TT |
763 | { |
764 | struct type *type = NULL; | |
d59b6f6c | 765 | |
492d29ea | 766 | TRY |
2c74e833 | 767 | { |
61012eef | 768 | if (startswith (type_name, "struct ")) |
2c74e833 | 769 | type = lookup_struct (type_name + 7, NULL); |
61012eef | 770 | else if (startswith (type_name, "union ")) |
2c74e833 | 771 | type = lookup_union (type_name + 6, NULL); |
61012eef | 772 | else if (startswith (type_name, "enum ")) |
2c74e833 TT |
773 | type = lookup_enum (type_name + 5, NULL); |
774 | else | |
d452c4bc | 775 | type = lookup_typename (python_language, python_gdbarch, |
5107b149 | 776 | type_name, block, 0); |
2c74e833 | 777 | } |
492d29ea PA |
778 | CATCH (except, RETURN_MASK_ALL) |
779 | { | |
780 | GDB_PY_HANDLE_EXCEPTION (except); | |
781 | } | |
782 | END_CATCH | |
2c74e833 TT |
783 | |
784 | return type; | |
785 | } | |
786 | ||
787 | static struct type * | |
5107b149 | 788 | typy_lookup_type (struct demangle_component *demangled, |
9df2fbc4 | 789 | const struct block *block) |
2c74e833 | 790 | { |
cd829959 | 791 | struct type *type, *rtype = NULL; |
2c74e833 TT |
792 | enum demangle_component_type demangled_type; |
793 | ||
794 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
795 | memory pointed by demangled. */ | |
796 | demangled_type = demangled->type; | |
797 | ||
798 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
799 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
e4347c89 | 800 | || demangled_type == DEMANGLE_COMPONENT_RVALUE_REFERENCE |
2c74e833 TT |
801 | || demangled_type == DEMANGLE_COMPONENT_CONST |
802 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
803 | { | |
5107b149 | 804 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
805 | if (! type) |
806 | return NULL; | |
807 | ||
492d29ea | 808 | TRY |
76dce0be | 809 | { |
cd829959 PM |
810 | /* If the demangled_type matches with one of the types |
811 | below, run the corresponding function and save the type | |
812 | to return later. We cannot just return here as we are in | |
813 | an exception handler. */ | |
76dce0be PM |
814 | switch (demangled_type) |
815 | { | |
816 | case DEMANGLE_COMPONENT_REFERENCE: | |
3b224330 | 817 | rtype = lookup_lvalue_reference_type (type); |
cd829959 | 818 | break; |
e4347c89 AV |
819 | case DEMANGLE_COMPONENT_RVALUE_REFERENCE: |
820 | rtype = lookup_rvalue_reference_type (type); | |
821 | break; | |
76dce0be | 822 | case DEMANGLE_COMPONENT_POINTER: |
cd829959 PM |
823 | rtype = lookup_pointer_type (type); |
824 | break; | |
76dce0be | 825 | case DEMANGLE_COMPONENT_CONST: |
cd829959 PM |
826 | rtype = make_cv_type (1, 0, type, NULL); |
827 | break; | |
76dce0be | 828 | case DEMANGLE_COMPONENT_VOLATILE: |
cd829959 PM |
829 | rtype = make_cv_type (0, 1, type, NULL); |
830 | break; | |
76dce0be | 831 | } |
76dce0be | 832 | } |
492d29ea PA |
833 | CATCH (except, RETURN_MASK_ALL) |
834 | { | |
835 | GDB_PY_HANDLE_EXCEPTION (except); | |
836 | } | |
837 | END_CATCH | |
2c74e833 | 838 | } |
256458bc | 839 | |
cd829959 PM |
840 | /* If we have a type from the switch statement above, just return |
841 | that. */ | |
842 | if (rtype) | |
843 | return rtype; | |
256458bc | 844 | |
cd829959 | 845 | /* We don't have a type, so lookup the type. */ |
29592bde PA |
846 | gdb::unique_xmalloc_ptr<char> type_name = cp_comp_to_string (demangled, 10); |
847 | return typy_lookup_typename (type_name.get (), block); | |
2c74e833 TT |
848 | } |
849 | ||
326fd672 TT |
850 | /* This is a helper function for typy_template_argument that is used |
851 | when the type does not have template symbols attached. It works by | |
852 | parsing the type name. This happens with compilers, like older | |
853 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
854 | ||
2c74e833 | 855 | static PyObject * |
9df2fbc4 | 856 | typy_legacy_template_argument (struct type *type, const struct block *block, |
326fd672 | 857 | int argno) |
2c74e833 | 858 | { |
326fd672 | 859 | int i; |
2c74e833 | 860 | struct demangle_component *demangled; |
c8b23b3f | 861 | std::unique_ptr<demangle_parse_info> info; |
3513a6bb | 862 | std::string err; |
2c74e833 | 863 | struct type *argtype; |
2c74e833 TT |
864 | |
865 | if (TYPE_NAME (type) == NULL) | |
866 | { | |
5107b149 | 867 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
868 | return NULL; |
869 | } | |
870 | ||
492d29ea | 871 | TRY |
5d9c5995 PM |
872 | { |
873 | /* Note -- this is not thread-safe. */ | |
874 | info = cp_demangled_name_to_comp (TYPE_NAME (type), &err); | |
875 | } | |
492d29ea PA |
876 | CATCH (except, RETURN_MASK_ALL) |
877 | { | |
878 | GDB_PY_HANDLE_EXCEPTION (except); | |
879 | } | |
880 | END_CATCH | |
5d9c5995 | 881 | |
3a93a0c2 | 882 | if (! info) |
2c74e833 | 883 | { |
3513a6bb | 884 | PyErr_SetString (PyExc_RuntimeError, err.c_str ()); |
2c74e833 TT |
885 | return NULL; |
886 | } | |
3a93a0c2 | 887 | demangled = info->tree; |
2c74e833 TT |
888 | |
889 | /* Strip off component names. */ | |
890 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
891 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
892 | demangled = demangled->u.s_binary.right; | |
893 | ||
894 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
895 | { | |
5107b149 | 896 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
897 | return NULL; |
898 | } | |
899 | ||
900 | /* Skip from the template to the arguments. */ | |
901 | demangled = demangled->u.s_binary.right; | |
902 | ||
903 | for (i = 0; demangled && i < argno; ++i) | |
904 | demangled = demangled->u.s_binary.right; | |
905 | ||
906 | if (! demangled) | |
907 | { | |
5107b149 | 908 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
909 | argno); |
910 | return NULL; | |
911 | } | |
912 | ||
5107b149 | 913 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
914 | if (! argtype) |
915 | return NULL; | |
916 | ||
917 | return type_to_type_object (argtype); | |
326fd672 TT |
918 | } |
919 | ||
920 | static PyObject * | |
921 | typy_template_argument (PyObject *self, PyObject *args) | |
922 | { | |
923 | int argno; | |
924 | struct type *type = ((type_object *) self)->type; | |
9df2fbc4 | 925 | const struct block *block = NULL; |
326fd672 TT |
926 | PyObject *block_obj = NULL; |
927 | struct symbol *sym; | |
928 | struct value *val = NULL; | |
326fd672 TT |
929 | |
930 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
931 | return NULL; | |
932 | ||
fd3ba736 TT |
933 | if (argno < 0) |
934 | { | |
935 | PyErr_SetString (PyExc_RuntimeError, | |
936 | _("Template argument number must be non-negative")); | |
937 | return NULL; | |
938 | } | |
939 | ||
326fd672 TT |
940 | if (block_obj) |
941 | { | |
942 | block = block_object_to_block (block_obj); | |
943 | if (! block) | |
944 | { | |
945 | PyErr_SetString (PyExc_RuntimeError, | |
946 | _("Second argument must be block.")); | |
947 | return NULL; | |
948 | } | |
949 | } | |
950 | ||
492d29ea | 951 | TRY |
05d0e1e7 TT |
952 | { |
953 | type = check_typedef (type); | |
aa006118 | 954 | if (TYPE_IS_REFERENCE (type)) |
05d0e1e7 TT |
955 | type = check_typedef (TYPE_TARGET_TYPE (type)); |
956 | } | |
492d29ea PA |
957 | CATCH (except, RETURN_MASK_ALL) |
958 | { | |
959 | GDB_PY_HANDLE_EXCEPTION (except); | |
960 | } | |
961 | END_CATCH | |
326fd672 TT |
962 | |
963 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
964 | name. This is inefficient if we do not have a template type -- | |
965 | but that is going to wind up as an error anyhow. */ | |
966 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
967 | return typy_legacy_template_argument (type, block, argno); | |
968 | ||
969 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
970 | { | |
971 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
972 | argno); | |
973 | return NULL; | |
974 | } | |
975 | ||
976 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
977 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
978 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
979 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
980 | { | |
981 | PyErr_Format (PyExc_RuntimeError, | |
982 | _("Template argument is optimized out")); | |
983 | return NULL; | |
984 | } | |
985 | ||
492d29ea | 986 | TRY |
326fd672 TT |
987 | { |
988 | val = value_of_variable (sym, block); | |
989 | } | |
492d29ea PA |
990 | CATCH (except, RETURN_MASK_ALL) |
991 | { | |
992 | GDB_PY_HANDLE_EXCEPTION (except); | |
993 | } | |
994 | END_CATCH | |
326fd672 TT |
995 | |
996 | return value_to_value_object (val); | |
2c74e833 TT |
997 | } |
998 | ||
999 | static PyObject * | |
1000 | typy_str (PyObject *self) | |
1001 | { | |
d7e74731 | 1002 | string_file thetype; |
2c74e833 | 1003 | |
492d29ea | 1004 | TRY |
2c74e833 | 1005 | { |
d7e74731 | 1006 | LA_PRINT_TYPE (type_object_to_type (self), "", &thetype, -1, 0, |
53342f27 | 1007 | &type_print_raw_options); |
2c74e833 | 1008 | } |
492d29ea | 1009 | CATCH (except, RETURN_MASK_ALL) |
2c74e833 | 1010 | { |
2c74e833 TT |
1011 | GDB_PY_HANDLE_EXCEPTION (except); |
1012 | } | |
492d29ea | 1013 | END_CATCH |
2c74e833 | 1014 | |
d7e74731 PA |
1015 | return PyUnicode_Decode (thetype.c_str (), thetype.size (), |
1016 | host_charset (), NULL); | |
2c74e833 TT |
1017 | } |
1018 | ||
d839c8a4 TT |
1019 | /* Implement the richcompare method. */ |
1020 | ||
1021 | static PyObject * | |
1022 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
1023 | { | |
894882e3 | 1024 | bool result = false; |
d839c8a4 TT |
1025 | struct type *type1 = type_object_to_type (self); |
1026 | struct type *type2 = type_object_to_type (other); | |
d839c8a4 TT |
1027 | |
1028 | /* We can only compare ourselves to another Type object, and only | |
1029 | for equality or inequality. */ | |
1030 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
1031 | { | |
1032 | Py_INCREF (Py_NotImplemented); | |
1033 | return Py_NotImplemented; | |
1034 | } | |
1035 | ||
1036 | if (type1 == type2) | |
894882e3 | 1037 | result = true; |
d839c8a4 TT |
1038 | else |
1039 | { | |
492d29ea | 1040 | TRY |
d839c8a4 | 1041 | { |
ca092b61 | 1042 | result = types_deeply_equal (type1, type2); |
d839c8a4 | 1043 | } |
492d29ea PA |
1044 | CATCH (except, RETURN_MASK_ALL) |
1045 | { | |
1046 | /* If there is a GDB exception, a comparison is not capable | |
1047 | (or trusted), so exit. */ | |
1048 | GDB_PY_HANDLE_EXCEPTION (except); | |
1049 | } | |
1050 | END_CATCH | |
d839c8a4 TT |
1051 | } |
1052 | ||
ca092b61 | 1053 | if (op == (result ? Py_EQ : Py_NE)) |
d839c8a4 TT |
1054 | Py_RETURN_TRUE; |
1055 | Py_RETURN_FALSE; | |
1056 | } | |
1057 | ||
2c74e833 TT |
1058 | \f |
1059 | ||
1060 | static const struct objfile_data *typy_objfile_data_key; | |
1061 | ||
1062 | static void | |
c1bd65d0 | 1063 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 | 1064 | { |
19ba03f4 | 1065 | type_object *obj = (type_object *) datum; |
2c74e833 | 1066 | htab_t copied_types; |
2c74e833 | 1067 | |
0646da15 TT |
1068 | if (!gdb_python_initialized) |
1069 | return; | |
1070 | ||
2c74e833 TT |
1071 | /* This prevents another thread from freeing the objects we're |
1072 | operating on. */ | |
c57af3f1 | 1073 | gdbpy_enter enter_py (get_objfile_arch (objfile), current_language); |
2c74e833 TT |
1074 | |
1075 | copied_types = create_copied_types_hash (objfile); | |
1076 | ||
1077 | while (obj) | |
1078 | { | |
1079 | type_object *next = obj->next; | |
1080 | ||
1081 | htab_empty (copied_types); | |
1082 | ||
1083 | obj->type = copy_type_recursive (objfile, obj->type, copied_types); | |
1084 | ||
1085 | obj->next = NULL; | |
1086 | obj->prev = NULL; | |
1087 | ||
1088 | obj = next; | |
1089 | } | |
1090 | ||
1091 | htab_delete (copied_types); | |
2c74e833 TT |
1092 | } |
1093 | ||
1094 | static void | |
1095 | set_type (type_object *obj, struct type *type) | |
1096 | { | |
1097 | obj->type = type; | |
1098 | obj->prev = NULL; | |
1099 | if (type && TYPE_OBJFILE (type)) | |
1100 | { | |
1101 | struct objfile *objfile = TYPE_OBJFILE (type); | |
1102 | ||
19ba03f4 SM |
1103 | obj->next = ((struct pyty_type_object *) |
1104 | objfile_data (objfile, typy_objfile_data_key)); | |
2c74e833 TT |
1105 | if (obj->next) |
1106 | obj->next->prev = obj; | |
1107 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
1108 | } | |
1109 | else | |
1110 | obj->next = NULL; | |
1111 | } | |
1112 | ||
1113 | static void | |
1114 | typy_dealloc (PyObject *obj) | |
1115 | { | |
1116 | type_object *type = (type_object *) obj; | |
1117 | ||
1118 | if (type->prev) | |
1119 | type->prev->next = type->next; | |
1120 | else if (type->type && TYPE_OBJFILE (type->type)) | |
1121 | { | |
1122 | /* Must reset head of list. */ | |
1123 | struct objfile *objfile = TYPE_OBJFILE (type->type); | |
d59b6f6c | 1124 | |
2c74e833 TT |
1125 | if (objfile) |
1126 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
1127 | } | |
1128 | if (type->next) | |
1129 | type->next->prev = type->prev; | |
1130 | ||
9a27f2c6 | 1131 | Py_TYPE (type)->tp_free (type); |
2c74e833 TT |
1132 | } |
1133 | ||
a73bb892 PK |
1134 | /* Return number of fields ("length" of the field dictionary). */ |
1135 | ||
1136 | static Py_ssize_t | |
1137 | typy_length (PyObject *self) | |
1138 | { | |
1139 | struct type *type = ((type_object *) self)->type; | |
1140 | ||
9cc10fd1 PK |
1141 | type = typy_get_composite (type); |
1142 | if (type == NULL) | |
1143 | return -1; | |
1144 | ||
a73bb892 PK |
1145 | return TYPE_NFIELDS (type); |
1146 | } | |
1147 | ||
9cc10fd1 | 1148 | /* Implements boolean evaluation of gdb.Type. Handle this like other |
256458bc | 1149 | Python objects that don't have a meaningful truth value -- all |
9cc10fd1 PK |
1150 | values are true. */ |
1151 | ||
1152 | static int | |
1153 | typy_nonzero (PyObject *self) | |
1154 | { | |
1155 | return 1; | |
1156 | } | |
1157 | ||
59fb7612 SS |
1158 | /* Return optimized out value of this type. */ |
1159 | ||
1160 | static PyObject * | |
1161 | typy_optimized_out (PyObject *self, PyObject *args) | |
1162 | { | |
1163 | struct type *type = ((type_object *) self)->type; | |
1164 | ||
1165 | return value_to_value_object (allocate_optimized_out_value (type)); | |
1166 | } | |
1167 | ||
a73bb892 PK |
1168 | /* Return a gdb.Field object for the field named by the argument. */ |
1169 | ||
1170 | static PyObject * | |
1171 | typy_getitem (PyObject *self, PyObject *key) | |
1172 | { | |
1173 | struct type *type = ((type_object *) self)->type; | |
a73bb892 | 1174 | int i; |
76dce0be | 1175 | |
9b972014 | 1176 | gdb::unique_xmalloc_ptr<char> field = python_string_to_host_string (key); |
a73bb892 PK |
1177 | if (field == NULL) |
1178 | return NULL; | |
1179 | ||
256458bc | 1180 | /* We want just fields of this type, not of base types, so instead of |
a73bb892 PK |
1181 | using lookup_struct_elt_type, portions of that function are |
1182 | copied here. */ | |
1183 | ||
9cc10fd1 PK |
1184 | type = typy_get_composite (type); |
1185 | if (type == NULL) | |
1186 | return NULL; | |
256458bc | 1187 | |
a73bb892 PK |
1188 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
1189 | { | |
0d5cff50 | 1190 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 | 1191 | |
9b972014 | 1192 | if (t_field_name && (strcmp_iw (t_field_name, field.get ()) == 0)) |
a73bb892 PK |
1193 | { |
1194 | return convert_field (type, i); | |
1195 | } | |
1196 | } | |
1197 | PyErr_SetObject (PyExc_KeyError, key); | |
1198 | return NULL; | |
1199 | } | |
1200 | ||
256458bc | 1201 | /* Implement the "get" method on the type object. This is the |
a73bb892 PK |
1202 | same as getitem if the key is present, but returns the supplied |
1203 | default value or None if the key is not found. */ | |
1204 | ||
1205 | static PyObject * | |
1206 | typy_get (PyObject *self, PyObject *args) | |
1207 | { | |
1208 | PyObject *key, *defval = Py_None, *result; | |
256458bc | 1209 | |
a73bb892 PK |
1210 | if (!PyArg_UnpackTuple (args, "get", 1, 2, &key, &defval)) |
1211 | return NULL; | |
256458bc | 1212 | |
a73bb892 PK |
1213 | result = typy_getitem (self, key); |
1214 | if (result != NULL) | |
1215 | return result; | |
256458bc | 1216 | |
a73bb892 PK |
1217 | /* typy_getitem returned error status. If the exception is |
1218 | KeyError, clear the exception status and return the defval | |
1219 | instead. Otherwise return the exception unchanged. */ | |
1220 | if (!PyErr_ExceptionMatches (PyExc_KeyError)) | |
1221 | return NULL; | |
256458bc | 1222 | |
a73bb892 PK |
1223 | PyErr_Clear (); |
1224 | Py_INCREF (defval); | |
1225 | return defval; | |
1226 | } | |
1227 | ||
1228 | /* Implement the "has_key" method on the type object. */ | |
1229 | ||
1230 | static PyObject * | |
1231 | typy_has_key (PyObject *self, PyObject *args) | |
1232 | { | |
1233 | struct type *type = ((type_object *) self)->type; | |
2ff6b080 | 1234 | const char *field; |
a73bb892 | 1235 | int i; |
76dce0be | 1236 | |
a73bb892 PK |
1237 | if (!PyArg_ParseTuple (args, "s", &field)) |
1238 | return NULL; | |
1239 | ||
256458bc | 1240 | /* We want just fields of this type, not of base types, so instead of |
a73bb892 PK |
1241 | using lookup_struct_elt_type, portions of that function are |
1242 | copied here. */ | |
1243 | ||
9cc10fd1 PK |
1244 | type = typy_get_composite (type); |
1245 | if (type == NULL) | |
1246 | return NULL; | |
a73bb892 PK |
1247 | |
1248 | for (i = 0; i < TYPE_NFIELDS (type); i++) | |
1249 | { | |
0d5cff50 | 1250 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 PK |
1251 | |
1252 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1253 | Py_RETURN_TRUE; | |
1254 | } | |
1255 | Py_RETURN_FALSE; | |
1256 | } | |
1257 | ||
1258 | /* Make an iterator object to iterate over keys, values, or items. */ | |
1259 | ||
1260 | static PyObject * | |
1261 | typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind) | |
1262 | { | |
1263 | typy_iterator_object *typy_iter_obj; | |
1264 | ||
9cc10fd1 PK |
1265 | /* Check that "self" is a structure or union type. */ |
1266 | if (typy_get_composite (((type_object *) self)->type) == NULL) | |
1267 | return NULL; | |
256458bc | 1268 | |
a73bb892 PK |
1269 | typy_iter_obj = PyObject_New (typy_iterator_object, |
1270 | &type_iterator_object_type); | |
1271 | if (typy_iter_obj == NULL) | |
1272 | return NULL; | |
1273 | ||
1274 | typy_iter_obj->field = 0; | |
1275 | typy_iter_obj->kind = kind; | |
1276 | Py_INCREF (self); | |
1277 | typy_iter_obj->source = (type_object *) self; | |
1278 | ||
1279 | return (PyObject *) typy_iter_obj; | |
1280 | } | |
1281 | ||
1282 | /* iteritems() method. */ | |
1283 | ||
1284 | static PyObject * | |
1285 | typy_iteritems (PyObject *self, PyObject *args) | |
1286 | { | |
1287 | return typy_make_iter (self, iter_items); | |
1288 | } | |
1289 | ||
1290 | /* iterkeys() method. */ | |
1291 | ||
1292 | static PyObject * | |
1293 | typy_iterkeys (PyObject *self, PyObject *args) | |
1294 | { | |
1295 | return typy_make_iter (self, iter_keys); | |
1296 | } | |
1297 | ||
1298 | /* Iterating over the class, same as iterkeys except for the function | |
1299 | signature. */ | |
1300 | ||
1301 | static PyObject * | |
1302 | typy_iter (PyObject *self) | |
1303 | { | |
1304 | return typy_make_iter (self, iter_keys); | |
1305 | } | |
1306 | ||
1307 | /* itervalues() method. */ | |
1308 | ||
1309 | static PyObject * | |
1310 | typy_itervalues (PyObject *self, PyObject *args) | |
1311 | { | |
1312 | return typy_make_iter (self, iter_values); | |
1313 | } | |
1314 | ||
1315 | /* Return a reference to the type iterator. */ | |
1316 | ||
1317 | static PyObject * | |
1318 | typy_iterator_iter (PyObject *self) | |
1319 | { | |
1320 | Py_INCREF (self); | |
1321 | return self; | |
1322 | } | |
1323 | ||
1324 | /* Return the next field in the iteration through the list of fields | |
1325 | of the type. */ | |
1326 | ||
1327 | static PyObject * | |
1328 | typy_iterator_iternext (PyObject *self) | |
1329 | { | |
1330 | typy_iterator_object *iter_obj = (typy_iterator_object *) self; | |
1331 | struct type *type = iter_obj->source->type; | |
a73bb892 | 1332 | PyObject *result; |
256458bc | 1333 | |
a73bb892 PK |
1334 | if (iter_obj->field < TYPE_NFIELDS (type)) |
1335 | { | |
1336 | result = make_fielditem (type, iter_obj->field, iter_obj->kind); | |
1337 | if (result != NULL) | |
1338 | iter_obj->field++; | |
1339 | return result; | |
1340 | } | |
1341 | ||
1342 | return NULL; | |
1343 | } | |
1344 | ||
1345 | static void | |
1346 | typy_iterator_dealloc (PyObject *obj) | |
1347 | { | |
1348 | typy_iterator_object *iter_obj = (typy_iterator_object *) obj; | |
1349 | ||
1350 | Py_DECREF (iter_obj->source); | |
1351 | } | |
1352 | ||
2c74e833 TT |
1353 | /* Create a new Type referring to TYPE. */ |
1354 | PyObject * | |
1355 | type_to_type_object (struct type *type) | |
1356 | { | |
1357 | type_object *type_obj; | |
1358 | ||
1359 | type_obj = PyObject_New (type_object, &type_object_type); | |
1360 | if (type_obj) | |
1361 | set_type (type_obj, type); | |
1362 | ||
1363 | return (PyObject *) type_obj; | |
1364 | } | |
1365 | ||
1366 | struct type * | |
1367 | type_object_to_type (PyObject *obj) | |
1368 | { | |
1369 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1370 | return NULL; | |
1371 | return ((type_object *) obj)->type; | |
1372 | } | |
1373 | ||
1374 | \f | |
1375 | ||
1376 | /* Implementation of gdb.lookup_type. */ | |
1377 | PyObject * | |
1378 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1379 | { | |
2adadf51 | 1380 | static const char *keywords[] = { "name", "block", NULL }; |
ddd49eee | 1381 | const char *type_name = NULL; |
2c74e833 | 1382 | struct type *type = NULL; |
5107b149 | 1383 | PyObject *block_obj = NULL; |
9df2fbc4 | 1384 | const struct block *block = NULL; |
2c74e833 | 1385 | |
2adadf51 PA |
1386 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1387 | &type_name, &block_obj)) | |
2c74e833 TT |
1388 | return NULL; |
1389 | ||
5107b149 PM |
1390 | if (block_obj) |
1391 | { | |
1392 | block = block_object_to_block (block_obj); | |
1393 | if (! block) | |
1394 | { | |
1395 | PyErr_SetString (PyExc_RuntimeError, | |
1396 | _("'block' argument must be a Block.")); | |
1397 | return NULL; | |
1398 | } | |
1399 | } | |
1400 | ||
1401 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1402 | if (! type) |
1403 | return NULL; | |
1404 | ||
1405 | return (PyObject *) type_to_type_object (type); | |
1406 | } | |
1407 | ||
999633ed | 1408 | int |
2c74e833 TT |
1409 | gdbpy_initialize_types (void) |
1410 | { | |
1411 | int i; | |
1412 | ||
1413 | typy_objfile_data_key | |
c1bd65d0 | 1414 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); |
2c74e833 TT |
1415 | |
1416 | if (PyType_Ready (&type_object_type) < 0) | |
999633ed | 1417 | return -1; |
2c74e833 | 1418 | if (PyType_Ready (&field_object_type) < 0) |
999633ed | 1419 | return -1; |
a73bb892 | 1420 | if (PyType_Ready (&type_iterator_object_type) < 0) |
999633ed | 1421 | return -1; |
2c74e833 TT |
1422 | |
1423 | for (i = 0; pyty_codes[i].name; ++i) | |
1424 | { | |
1425 | if (PyModule_AddIntConstant (gdb_module, | |
1426 | /* Cast needed for Python 2.4. */ | |
1427 | (char *) pyty_codes[i].name, | |
1428 | pyty_codes[i].code) < 0) | |
999633ed | 1429 | return -1; |
2c74e833 TT |
1430 | } |
1431 | ||
aa36459a TT |
1432 | if (gdb_pymodule_addobject (gdb_module, "Type", |
1433 | (PyObject *) &type_object_type) < 0) | |
999633ed | 1434 | return -1; |
2c74e833 | 1435 | |
aa36459a TT |
1436 | if (gdb_pymodule_addobject (gdb_module, "TypeIterator", |
1437 | (PyObject *) &type_iterator_object_type) < 0) | |
999633ed | 1438 | return -1; |
a73bb892 | 1439 | |
aa36459a TT |
1440 | return gdb_pymodule_addobject (gdb_module, "Field", |
1441 | (PyObject *) &field_object_type); | |
2c74e833 TT |
1442 | } |
1443 | ||
1444 | \f | |
1445 | ||
0d1f4ceb | 1446 | static gdb_PyGetSetDef type_object_getset[] = |
2c74e833 | 1447 | { |
6d7bb824 TT |
1448 | { "alignof", typy_get_alignof, NULL, |
1449 | "The alignment of this type, in bytes.", NULL }, | |
2c74e833 TT |
1450 | { "code", typy_get_code, NULL, |
1451 | "The code for this type.", NULL }, | |
c0d48811 JB |
1452 | { "name", typy_get_name, NULL, |
1453 | "The name for this type, or None.", NULL }, | |
2c74e833 TT |
1454 | { "sizeof", typy_get_sizeof, NULL, |
1455 | "The size of this type, in bytes.", NULL }, | |
1456 | { "tag", typy_get_tag, NULL, | |
1457 | "The tag name for this type, or None.", NULL }, | |
1458 | { NULL } | |
1459 | }; | |
1460 | ||
1461 | static PyMethodDef type_object_methods[] = | |
1462 | { | |
702c2711 | 1463 | { "array", typy_array, METH_VARARGS, |
f28c316a DE |
1464 | "array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ |
1465 | Return a type which represents an array of objects of this type.\n\ | |
1466 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1467 | If LOW_BOUND is omitted, a value of zero is used." }, | |
a72c3253 DE |
1468 | { "vector", typy_vector, METH_VARARGS, |
1469 | "vector ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ | |
1470 | Return a type which represents a vector of objects of this type.\n\ | |
1471 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1472 | If LOW_BOUND is omitted, a value of zero is used.\n\ | |
1473 | Vectors differ from arrays in that if the current language has C-style\n\ | |
1474 | arrays, vectors don't decay to a pointer to the first element.\n\ | |
1475 | They are first class values." }, | |
a73bb892 PK |
1476 | { "__contains__", typy_has_key, METH_VARARGS, |
1477 | "T.__contains__(k) -> True if T has a field named k, else False" }, | |
2c74e833 TT |
1478 | { "const", typy_const, METH_NOARGS, |
1479 | "const () -> Type\n\ | |
1480 | Return a const variant of this type." }, | |
59fb7612 SS |
1481 | { "optimized_out", typy_optimized_out, METH_NOARGS, |
1482 | "optimized_out() -> Value\n\ | |
1483 | Return optimized out value of this type." }, | |
2c74e833 | 1484 | { "fields", typy_fields, METH_NOARGS, |
a73bb892 PK |
1485 | "fields () -> list\n\ |
1486 | Return a list holding all the fields of this type.\n\ | |
1487 | Each field is a gdb.Field object." }, | |
1488 | { "get", typy_get, METH_VARARGS, | |
1489 | "T.get(k[,default]) -> returns field named k in T, if it exists;\n\ | |
1490 | otherwise returns default, if supplied, or None if not." }, | |
1491 | { "has_key", typy_has_key, METH_VARARGS, | |
1492 | "T.has_key(k) -> True if T has a field named k, else False" }, | |
1493 | { "items", typy_items, METH_NOARGS, | |
1494 | "items () -> list\n\ | |
1495 | Return a list of (name, field) pairs of this type.\n\ | |
1496 | Each field is a gdb.Field object." }, | |
1497 | { "iteritems", typy_iteritems, METH_NOARGS, | |
1498 | "iteritems () -> an iterator over the (name, field)\n\ | |
1499 | pairs of this type. Each field is a gdb.Field object." }, | |
1500 | { "iterkeys", typy_iterkeys, METH_NOARGS, | |
1501 | "iterkeys () -> an iterator over the field names of this type." }, | |
1502 | { "itervalues", typy_itervalues, METH_NOARGS, | |
1503 | "itervalues () -> an iterator over the fields of this type.\n\ | |
1504 | Each field is a gdb.Field object." }, | |
1505 | { "keys", typy_field_names, METH_NOARGS, | |
1506 | "keys () -> list\n\ | |
1507 | Return a list holding all the fields names of this type." }, | |
2c74e833 TT |
1508 | { "pointer", typy_pointer, METH_NOARGS, |
1509 | "pointer () -> Type\n\ | |
1510 | Return a type of pointer to this type." }, | |
361ae042 PM |
1511 | { "range", typy_range, METH_NOARGS, |
1512 | "range () -> tuple\n\ | |
1513 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1514 | { "reference", typy_reference, METH_NOARGS, |
1515 | "reference () -> Type\n\ | |
1516 | Return a type of reference to this type." }, | |
1517 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1518 | "strip_typedefs () -> Type\n\ | |
1519 | Return a type formed by stripping this type of all typedefs."}, | |
1520 | { "target", typy_target, METH_NOARGS, | |
1521 | "target () -> Type\n\ | |
1522 | Return the target type of this type." }, | |
1523 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1524 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1525 | Return the type of a template argument." }, |
1526 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1527 | "unqualified () -> Type\n\ | |
1528 | Return a variant of this type without const or volatile attributes." }, | |
9cc10fd1 | 1529 | { "values", typy_values, METH_NOARGS, |
a73bb892 PK |
1530 | "values () -> list\n\ |
1531 | Return a list holding all the fields of this type.\n\ | |
1532 | Each field is a gdb.Field object." }, | |
2c74e833 TT |
1533 | { "volatile", typy_volatile, METH_NOARGS, |
1534 | "volatile () -> Type\n\ | |
1535 | Return a volatile variant of this type" }, | |
1536 | { NULL } | |
1537 | }; | |
1538 | ||
9cc10fd1 PK |
1539 | static PyNumberMethods type_object_as_number = { |
1540 | NULL, /* nb_add */ | |
1541 | NULL, /* nb_subtract */ | |
1542 | NULL, /* nb_multiply */ | |
9a27f2c6 | 1543 | #ifndef IS_PY3K |
9cc10fd1 | 1544 | NULL, /* nb_divide */ |
9a27f2c6 | 1545 | #endif |
9cc10fd1 PK |
1546 | NULL, /* nb_remainder */ |
1547 | NULL, /* nb_divmod */ | |
1548 | NULL, /* nb_power */ | |
1549 | NULL, /* nb_negative */ | |
1550 | NULL, /* nb_positive */ | |
1551 | NULL, /* nb_absolute */ | |
1552 | typy_nonzero, /* nb_nonzero */ | |
1553 | NULL, /* nb_invert */ | |
1554 | NULL, /* nb_lshift */ | |
1555 | NULL, /* nb_rshift */ | |
1556 | NULL, /* nb_and */ | |
1557 | NULL, /* nb_xor */ | |
1558 | NULL, /* nb_or */ | |
9a27f2c6 PK |
1559 | #ifdef IS_PY3K |
1560 | NULL, /* nb_int */ | |
1561 | NULL, /* reserved */ | |
1562 | #else | |
9cc10fd1 PK |
1563 | NULL, /* nb_coerce */ |
1564 | NULL, /* nb_int */ | |
1565 | NULL, /* nb_long */ | |
9a27f2c6 | 1566 | #endif |
9cc10fd1 | 1567 | NULL, /* nb_float */ |
9a27f2c6 | 1568 | #ifndef IS_PY3K |
9cc10fd1 PK |
1569 | NULL, /* nb_oct */ |
1570 | NULL /* nb_hex */ | |
9a27f2c6 | 1571 | #endif |
9cc10fd1 PK |
1572 | }; |
1573 | ||
a73bb892 PK |
1574 | static PyMappingMethods typy_mapping = { |
1575 | typy_length, | |
1576 | typy_getitem, | |
1577 | NULL /* no "set" method */ | |
1578 | }; | |
1579 | ||
e36122e9 | 1580 | PyTypeObject type_object_type = |
2c74e833 | 1581 | { |
9a27f2c6 | 1582 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1583 | "gdb.Type", /*tp_name*/ |
1584 | sizeof (type_object), /*tp_basicsize*/ | |
1585 | 0, /*tp_itemsize*/ | |
1586 | typy_dealloc, /*tp_dealloc*/ | |
1587 | 0, /*tp_print*/ | |
1588 | 0, /*tp_getattr*/ | |
1589 | 0, /*tp_setattr*/ | |
1590 | 0, /*tp_compare*/ | |
1591 | 0, /*tp_repr*/ | |
9cc10fd1 | 1592 | &type_object_as_number, /*tp_as_number*/ |
2c74e833 | 1593 | 0, /*tp_as_sequence*/ |
a73bb892 | 1594 | &typy_mapping, /*tp_as_mapping*/ |
2c74e833 TT |
1595 | 0, /*tp_hash */ |
1596 | 0, /*tp_call*/ | |
1597 | typy_str, /*tp_str*/ | |
1598 | 0, /*tp_getattro*/ | |
1599 | 0, /*tp_setattro*/ | |
1600 | 0, /*tp_as_buffer*/ | |
1601 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1602 | "GDB type object", /* tp_doc */ | |
1603 | 0, /* tp_traverse */ | |
1604 | 0, /* tp_clear */ | |
d839c8a4 | 1605 | typy_richcompare, /* tp_richcompare */ |
2c74e833 | 1606 | 0, /* tp_weaklistoffset */ |
a73bb892 | 1607 | typy_iter, /* tp_iter */ |
2c74e833 TT |
1608 | 0, /* tp_iternext */ |
1609 | type_object_methods, /* tp_methods */ | |
1610 | 0, /* tp_members */ | |
1611 | type_object_getset, /* tp_getset */ | |
1612 | 0, /* tp_base */ | |
1613 | 0, /* tp_dict */ | |
1614 | 0, /* tp_descr_get */ | |
1615 | 0, /* tp_descr_set */ | |
1616 | 0, /* tp_dictoffset */ | |
1617 | 0, /* tp_init */ | |
1618 | 0, /* tp_alloc */ | |
1619 | 0, /* tp_new */ | |
1620 | }; | |
1621 | ||
0d1f4ceb | 1622 | static gdb_PyGetSetDef field_object_getset[] = |
2e8265fd TT |
1623 | { |
1624 | { "__dict__", gdb_py_generic_dict, NULL, | |
1625 | "The __dict__ for this field.", &field_object_type }, | |
1626 | { NULL } | |
1627 | }; | |
1628 | ||
e36122e9 | 1629 | PyTypeObject field_object_type = |
2c74e833 | 1630 | { |
9a27f2c6 | 1631 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1632 | "gdb.Field", /*tp_name*/ |
1633 | sizeof (field_object), /*tp_basicsize*/ | |
1634 | 0, /*tp_itemsize*/ | |
1635 | field_dealloc, /*tp_dealloc*/ | |
1636 | 0, /*tp_print*/ | |
1637 | 0, /*tp_getattr*/ | |
1638 | 0, /*tp_setattr*/ | |
1639 | 0, /*tp_compare*/ | |
1640 | 0, /*tp_repr*/ | |
1641 | 0, /*tp_as_number*/ | |
1642 | 0, /*tp_as_sequence*/ | |
1643 | 0, /*tp_as_mapping*/ | |
1644 | 0, /*tp_hash */ | |
1645 | 0, /*tp_call*/ | |
1646 | 0, /*tp_str*/ | |
1647 | 0, /*tp_getattro*/ | |
1648 | 0, /*tp_setattro*/ | |
1649 | 0, /*tp_as_buffer*/ | |
1650 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1651 | "GDB field object", /* tp_doc */ | |
1652 | 0, /* tp_traverse */ | |
1653 | 0, /* tp_clear */ | |
1654 | 0, /* tp_richcompare */ | |
1655 | 0, /* tp_weaklistoffset */ | |
1656 | 0, /* tp_iter */ | |
1657 | 0, /* tp_iternext */ | |
1658 | 0, /* tp_methods */ | |
1659 | 0, /* tp_members */ | |
2e8265fd | 1660 | field_object_getset, /* tp_getset */ |
2c74e833 TT |
1661 | 0, /* tp_base */ |
1662 | 0, /* tp_dict */ | |
1663 | 0, /* tp_descr_get */ | |
1664 | 0, /* tp_descr_set */ | |
1665 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1666 | 0, /* tp_init */ | |
1667 | 0, /* tp_alloc */ | |
1668 | 0, /* tp_new */ | |
1669 | }; | |
a73bb892 | 1670 | |
e36122e9 | 1671 | PyTypeObject type_iterator_object_type = { |
9a27f2c6 | 1672 | PyVarObject_HEAD_INIT (NULL, 0) |
a73bb892 PK |
1673 | "gdb.TypeIterator", /*tp_name*/ |
1674 | sizeof (typy_iterator_object), /*tp_basicsize*/ | |
1675 | 0, /*tp_itemsize*/ | |
1676 | typy_iterator_dealloc, /*tp_dealloc*/ | |
1677 | 0, /*tp_print*/ | |
1678 | 0, /*tp_getattr*/ | |
1679 | 0, /*tp_setattr*/ | |
1680 | 0, /*tp_compare*/ | |
1681 | 0, /*tp_repr*/ | |
1682 | 0, /*tp_as_number*/ | |
1683 | 0, /*tp_as_sequence*/ | |
1684 | 0, /*tp_as_mapping*/ | |
1685 | 0, /*tp_hash */ | |
1686 | 0, /*tp_call*/ | |
1687 | 0, /*tp_str*/ | |
1688 | 0, /*tp_getattro*/ | |
1689 | 0, /*tp_setattro*/ | |
1690 | 0, /*tp_as_buffer*/ | |
1691 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1692 | "GDB type iterator object", /*tp_doc */ | |
1693 | 0, /*tp_traverse */ | |
1694 | 0, /*tp_clear */ | |
1695 | 0, /*tp_richcompare */ | |
1696 | 0, /*tp_weaklistoffset */ | |
1697 | typy_iterator_iter, /*tp_iter */ | |
1698 | typy_iterator_iternext, /*tp_iternext */ | |
1699 | 0 /*tp_methods */ | |
1700 | }; |