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2c74e833 TT |
1 | /* Python interface to types. |
2 | ||
3666a048 | 3 | Copyright (C) 2008-2021 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" |
53342f27 | 29 | #include "typeprint.h" |
2c74e833 | 30 | |
f99b5177 | 31 | struct type_object |
2c74e833 TT |
32 | { |
33 | PyObject_HEAD | |
34 | struct type *type; | |
35 | ||
36 | /* If a Type object is associated with an objfile, it is kept on a | |
37 | doubly-linked list, rooted in the objfile. This lets us copy the | |
38 | underlying struct type when the objfile is deleted. */ | |
f99b5177 TT |
39 | struct type_object *prev; |
40 | struct type_object *next; | |
41 | }; | |
2c74e833 | 42 | |
e36122e9 | 43 | extern PyTypeObject type_object_type |
62eec1a5 | 44 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("type_object"); |
2c74e833 TT |
45 | |
46 | /* A Field object. */ | |
f99b5177 | 47 | struct field_object |
2c74e833 TT |
48 | { |
49 | PyObject_HEAD | |
50 | ||
51 | /* Dictionary holding our attributes. */ | |
52 | PyObject *dict; | |
f99b5177 | 53 | }; |
2c74e833 | 54 | |
e36122e9 | 55 | extern PyTypeObject field_object_type |
62eec1a5 | 56 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("field_object"); |
2c74e833 | 57 | |
a73bb892 | 58 | /* A type iterator object. */ |
f99b5177 | 59 | struct typy_iterator_object { |
a73bb892 PK |
60 | PyObject_HEAD |
61 | /* The current field index. */ | |
62 | int field; | |
63 | /* What to return. */ | |
64 | enum gdbpy_iter_kind kind; | |
65 | /* Pointer back to the original source type object. */ | |
f99b5177 TT |
66 | type_object *source; |
67 | }; | |
a73bb892 | 68 | |
e36122e9 | 69 | extern PyTypeObject type_iterator_object_type |
62eec1a5 | 70 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("typy_iterator_object"); |
a73bb892 | 71 | |
2c74e833 TT |
72 | /* This is used to initialize various gdb.TYPE_ constants. */ |
73 | struct pyty_code | |
74 | { | |
75 | /* The code. */ | |
76 | enum type_code code; | |
77 | /* The name. */ | |
78 | const char *name; | |
79 | }; | |
80 | ||
0dab82e9 PK |
81 | /* Forward declarations. */ |
82 | static PyObject *typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind); | |
83 | ||
2c74e833 TT |
84 | #define ENTRY(X) { X, #X } |
85 | ||
86 | static struct pyty_code pyty_codes[] = | |
87 | { | |
6b1755ce | 88 | ENTRY (TYPE_CODE_BITSTRING), |
2c74e833 TT |
89 | ENTRY (TYPE_CODE_PTR), |
90 | ENTRY (TYPE_CODE_ARRAY), | |
91 | ENTRY (TYPE_CODE_STRUCT), | |
92 | ENTRY (TYPE_CODE_UNION), | |
93 | ENTRY (TYPE_CODE_ENUM), | |
94 | ENTRY (TYPE_CODE_FLAGS), | |
95 | ENTRY (TYPE_CODE_FUNC), | |
96 | ENTRY (TYPE_CODE_INT), | |
97 | ENTRY (TYPE_CODE_FLT), | |
98 | ENTRY (TYPE_CODE_VOID), | |
99 | ENTRY (TYPE_CODE_SET), | |
100 | ENTRY (TYPE_CODE_RANGE), | |
101 | ENTRY (TYPE_CODE_STRING), | |
2c74e833 TT |
102 | ENTRY (TYPE_CODE_ERROR), |
103 | ENTRY (TYPE_CODE_METHOD), | |
104 | ENTRY (TYPE_CODE_METHODPTR), | |
105 | ENTRY (TYPE_CODE_MEMBERPTR), | |
106 | ENTRY (TYPE_CODE_REF), | |
3fcf899d | 107 | ENTRY (TYPE_CODE_RVALUE_REF), |
2c74e833 TT |
108 | ENTRY (TYPE_CODE_CHAR), |
109 | ENTRY (TYPE_CODE_BOOL), | |
110 | ENTRY (TYPE_CODE_COMPLEX), | |
111 | ENTRY (TYPE_CODE_TYPEDEF), | |
112 | ENTRY (TYPE_CODE_NAMESPACE), | |
113 | ENTRY (TYPE_CODE_DECFLOAT), | |
114 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
115 | { TYPE_CODE_UNDEF, NULL } | |
116 | }; | |
117 | ||
118 | \f | |
119 | ||
120 | static void | |
121 | field_dealloc (PyObject *obj) | |
122 | { | |
123 | field_object *f = (field_object *) obj; | |
d59b6f6c | 124 | |
2c74e833 | 125 | Py_XDECREF (f->dict); |
9a27f2c6 | 126 | Py_TYPE (obj)->tp_free (obj); |
2c74e833 TT |
127 | } |
128 | ||
129 | static PyObject * | |
130 | field_new (void) | |
131 | { | |
88b6faea TT |
132 | gdbpy_ref<field_object> result (PyObject_New (field_object, |
133 | &field_object_type)); | |
d59b6f6c | 134 | |
88b6faea | 135 | if (result != NULL) |
2c74e833 TT |
136 | { |
137 | result->dict = PyDict_New (); | |
138 | if (!result->dict) | |
88b6faea | 139 | return NULL; |
2c74e833 | 140 | } |
88b6faea | 141 | return (PyObject *) result.release (); |
2c74e833 TT |
142 | } |
143 | ||
144 | \f | |
145 | ||
a16b0e22 SC |
146 | /* Return true if OBJ is of type gdb.Field, false otherwise. */ |
147 | ||
148 | int | |
149 | gdbpy_is_field (PyObject *obj) | |
150 | { | |
151 | return PyObject_TypeCheck (obj, &field_object_type); | |
152 | } | |
153 | ||
2c74e833 TT |
154 | /* Return the code for this type. */ |
155 | static PyObject * | |
156 | typy_get_code (PyObject *self, void *closure) | |
157 | { | |
158 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 159 | |
47f0e2ff | 160 | return gdb_py_object_from_longest (type->code ()).release (); |
2c74e833 TT |
161 | } |
162 | ||
163 | /* Helper function for typy_fields which converts a single field to a | |
a73bb892 PK |
164 | gdb.Field object. Returns NULL on error. */ |
165 | ||
1b20edf0 | 166 | static gdbpy_ref<> |
2c74e833 TT |
167 | convert_field (struct type *type, int field) |
168 | { | |
7780f186 | 169 | gdbpy_ref<> result (field_new ()); |
2c74e833 | 170 | |
3bb43384 | 171 | if (result == NULL) |
2c74e833 TT |
172 | return NULL; |
173 | ||
7780f186 | 174 | gdbpy_ref<> arg (type_to_type_object (type)); |
a16b0e22 | 175 | if (arg == NULL) |
3bb43384 TT |
176 | return NULL; |
177 | if (PyObject_SetAttrString (result.get (), "parent_type", arg.get ()) < 0) | |
178 | return NULL; | |
a16b0e22 | 179 | |
ceacbf6e | 180 | if (!field_is_static (&type->field (field))) |
2c74e833 | 181 | { |
14e75d8e JK |
182 | const char *attrstring; |
183 | ||
78134374 | 184 | if (type->code () == TYPE_CODE_ENUM) |
14e75d8e | 185 | { |
4bde49dc | 186 | arg = gdb_py_object_from_longest (TYPE_FIELD_ENUMVAL (type, field)); |
14e75d8e JK |
187 | attrstring = "enumval"; |
188 | } | |
189 | else | |
190 | { | |
1acda803 TT |
191 | if (TYPE_FIELD_LOC_KIND (type, field) == FIELD_LOC_KIND_DWARF_BLOCK) |
192 | arg = gdbpy_ref<>::new_reference (Py_None); | |
193 | else | |
4bde49dc | 194 | arg = gdb_py_object_from_longest (TYPE_FIELD_BITPOS (type, field)); |
14e75d8e JK |
195 | attrstring = "bitpos"; |
196 | } | |
197 | ||
3bb43384 TT |
198 | if (arg == NULL) |
199 | return NULL; | |
2c74e833 | 200 | |
6c28e44a | 201 | if (PyObject_SetAttrString (result.get (), attrstring, arg.get ()) < 0) |
3bb43384 | 202 | return NULL; |
2c74e833 TT |
203 | } |
204 | ||
3bb43384 | 205 | arg.reset (NULL); |
2c74e833 | 206 | if (TYPE_FIELD_NAME (type, field)) |
b5b08fb4 SC |
207 | { |
208 | const char *field_name = TYPE_FIELD_NAME (type, field); | |
a8f35c2e | 209 | |
b5b08fb4 SC |
210 | if (field_name[0] != '\0') |
211 | { | |
3bb43384 | 212 | arg.reset (PyString_FromString (TYPE_FIELD_NAME (type, field))); |
b5b08fb4 | 213 | if (arg == NULL) |
3bb43384 | 214 | return NULL; |
b5b08fb4 SC |
215 | } |
216 | } | |
217 | if (arg == NULL) | |
1b20edf0 TT |
218 | arg = gdbpy_ref<>::new_reference (Py_None); |
219 | ||
3bb43384 TT |
220 | if (PyObject_SetAttrString (result.get (), "name", arg.get ()) < 0) |
221 | return NULL; | |
2c74e833 | 222 | |
1b20edf0 TT |
223 | arg = gdbpy_ref<>::new_reference (TYPE_FIELD_ARTIFICIAL (type, field) |
224 | ? Py_True : Py_False); | |
3bb43384 TT |
225 | if (PyObject_SetAttrString (result.get (), "artificial", arg.get ()) < 0) |
226 | return NULL; | |
2c74e833 | 227 | |
78134374 | 228 | if (type->code () == TYPE_CODE_STRUCT) |
1b20edf0 TT |
229 | arg = gdbpy_ref<>::new_reference (field < TYPE_N_BASECLASSES (type) |
230 | ? Py_True : Py_False); | |
bfd31e71 | 231 | else |
1b20edf0 | 232 | arg = gdbpy_ref<>::new_reference (Py_False); |
3bb43384 TT |
233 | if (PyObject_SetAttrString (result.get (), "is_base_class", arg.get ()) < 0) |
234 | return NULL; | |
235 | ||
062534d4 | 236 | arg = gdb_py_object_from_longest (TYPE_FIELD_BITSIZE (type, field)); |
3bb43384 TT |
237 | if (arg == NULL) |
238 | return NULL; | |
239 | if (PyObject_SetAttrString (result.get (), "bitsize", arg.get ()) < 0) | |
240 | return NULL; | |
2c74e833 TT |
241 | |
242 | /* A field can have a NULL type in some situations. */ | |
940da03e | 243 | if (type->field (field).type () == NULL) |
1b20edf0 | 244 | arg = gdbpy_ref<>::new_reference (Py_None); |
2c74e833 | 245 | else |
940da03e | 246 | arg.reset (type_to_type_object (type->field (field).type ())); |
3bb43384 TT |
247 | if (arg == NULL) |
248 | return NULL; | |
249 | if (PyObject_SetAttrString (result.get (), "type", arg.get ()) < 0) | |
250 | return NULL; | |
2c74e833 | 251 | |
1b20edf0 | 252 | return result; |
2c74e833 TT |
253 | } |
254 | ||
a73bb892 PK |
255 | /* Helper function to return the name of a field, as a gdb.Field object. |
256 | If the field doesn't have a name, None is returned. */ | |
257 | ||
1b20edf0 | 258 | static gdbpy_ref<> |
a73bb892 | 259 | field_name (struct type *type, int field) |
2c74e833 | 260 | { |
1b20edf0 | 261 | gdbpy_ref<> result; |
a73bb892 PK |
262 | |
263 | if (TYPE_FIELD_NAME (type, field)) | |
1b20edf0 | 264 | result.reset (PyString_FromString (TYPE_FIELD_NAME (type, field))); |
a73bb892 | 265 | else |
1b20edf0 TT |
266 | result = gdbpy_ref<>::new_reference (Py_None); |
267 | ||
a73bb892 PK |
268 | return result; |
269 | } | |
270 | ||
271 | /* Helper function for Type standard mapping methods. Returns a | |
272 | Python object for field i of the type. "kind" specifies what to | |
273 | return: the name of the field, a gdb.Field object corresponding to | |
274 | the field, or a tuple consisting of field name and gdb.Field | |
275 | object. */ | |
276 | ||
1b20edf0 | 277 | static gdbpy_ref<> |
a73bb892 PK |
278 | make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind) |
279 | { | |
a73bb892 PK |
280 | switch (kind) |
281 | { | |
282 | case iter_items: | |
3bb43384 | 283 | { |
7780f186 | 284 | gdbpy_ref<> key (field_name (type, i)); |
3bb43384 TT |
285 | if (key == NULL) |
286 | return NULL; | |
1b20edf0 | 287 | gdbpy_ref<> value = convert_field (type, i); |
3bb43384 TT |
288 | if (value == NULL) |
289 | return NULL; | |
7780f186 | 290 | gdbpy_ref<> item (PyTuple_New (2)); |
3bb43384 TT |
291 | if (item == NULL) |
292 | return NULL; | |
293 | PyTuple_SET_ITEM (item.get (), 0, key.release ()); | |
294 | PyTuple_SET_ITEM (item.get (), 1, value.release ()); | |
1b20edf0 | 295 | return item; |
3bb43384 | 296 | } |
a73bb892 | 297 | case iter_keys: |
3bb43384 | 298 | return field_name (type, i); |
a73bb892 | 299 | case iter_values: |
3bb43384 | 300 | return convert_field (type, i); |
a73bb892 | 301 | } |
3bb43384 | 302 | gdb_assert_not_reached ("invalid gdbpy_iter_kind"); |
a73bb892 PK |
303 | } |
304 | ||
305 | /* Return a sequence of all field names, fields, or (name, field) pairs. | |
306 | Each field is a gdb.Field object. */ | |
307 | ||
308 | static PyObject * | |
309 | typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind) | |
310 | { | |
f6b47be4 | 311 | PyObject *py_type = self; |
f6b47be4 DE |
312 | struct type *type = ((type_object *) py_type)->type; |
313 | struct type *checked_type = type; | |
314 | ||
a70b8144 | 315 | try |
f6b47be4 | 316 | { |
f168693b | 317 | checked_type = check_typedef (checked_type); |
f6b47be4 | 318 | } |
230d2906 | 319 | catch (const gdb_exception &except) |
492d29ea PA |
320 | { |
321 | GDB_PY_HANDLE_EXCEPTION (except); | |
322 | } | |
f6b47be4 | 323 | |
2a3c71d6 | 324 | gdbpy_ref<> type_holder; |
f6b47be4 | 325 | if (checked_type != type) |
f6b47be4 | 326 | { |
2a3c71d6 TT |
327 | type_holder.reset (type_to_type_object (checked_type)); |
328 | if (type_holder == nullptr) | |
329 | return nullptr; | |
330 | py_type = type_holder.get (); | |
f6b47be4 | 331 | } |
2a3c71d6 TT |
332 | gdbpy_ref<> iter (typy_make_iter (py_type, kind)); |
333 | if (iter == nullptr) | |
334 | return nullptr; | |
f6b47be4 | 335 | |
2a3c71d6 | 336 | return PySequence_List (iter.get ()); |
a73bb892 PK |
337 | } |
338 | ||
339 | /* Return a sequence of all fields. Each field is a gdb.Field object. */ | |
340 | ||
341 | static PyObject * | |
9cc10fd1 | 342 | typy_values (PyObject *self, PyObject *args) |
a73bb892 PK |
343 | { |
344 | return typy_fields_items (self, iter_values); | |
345 | } | |
346 | ||
9cc10fd1 | 347 | /* Return a sequence of all fields. Each field is a gdb.Field object. |
256458bc | 348 | This method is similar to typy_values, except where the supplied |
9cc10fd1 PK |
349 | gdb.Type is an array, in which case it returns a list of one entry |
350 | which is a gdb.Field object for a range (the array bounds). */ | |
351 | ||
352 | static PyObject * | |
353 | typy_fields (PyObject *self, PyObject *args) | |
354 | { | |
355 | struct type *type = ((type_object *) self)->type; | |
256458bc | 356 | |
78134374 | 357 | if (type->code () != TYPE_CODE_ARRAY) |
9cc10fd1 PK |
358 | return typy_fields_items (self, iter_values); |
359 | ||
360 | /* Array type. Handle this as a special case because the common | |
361 | machinery wants struct or union or enum types. Build a list of | |
362 | one entry which is the range for the array. */ | |
1b20edf0 | 363 | gdbpy_ref<> r = convert_field (type, 0); |
9cc10fd1 PK |
364 | if (r == NULL) |
365 | return NULL; | |
256458bc | 366 | |
3bb43384 | 367 | return Py_BuildValue ("[O]", r.get ()); |
9cc10fd1 PK |
368 | } |
369 | ||
a73bb892 PK |
370 | /* Return a sequence of all field names. Each field is a gdb.Field object. */ |
371 | ||
372 | static PyObject * | |
373 | typy_field_names (PyObject *self, PyObject *args) | |
374 | { | |
375 | return typy_fields_items (self, iter_keys); | |
376 | } | |
377 | ||
256458bc | 378 | /* Return a sequence of all (name, fields) pairs. Each field is a |
a73bb892 PK |
379 | gdb.Field object. */ |
380 | ||
381 | static PyObject * | |
382 | typy_items (PyObject *self, PyObject *args) | |
383 | { | |
384 | return typy_fields_items (self, iter_items); | |
2c74e833 TT |
385 | } |
386 | ||
c0d48811 JB |
387 | /* Return the type's name, or None. */ |
388 | ||
389 | static PyObject * | |
390 | typy_get_name (PyObject *self, void *closure) | |
391 | { | |
392 | struct type *type = ((type_object *) self)->type; | |
393 | ||
7d93a1e0 | 394 | if (type->name () == NULL) |
c0d48811 | 395 | Py_RETURN_NONE; |
7d93a1e0 | 396 | return PyString_FromString (type->name ()); |
c0d48811 JB |
397 | } |
398 | ||
2c74e833 TT |
399 | /* Return the type's tag, or None. */ |
400 | static PyObject * | |
401 | typy_get_tag (PyObject *self, void *closure) | |
402 | { | |
403 | struct type *type = ((type_object *) self)->type; | |
e86ca25f | 404 | const char *tagname = nullptr; |
d59b6f6c | 405 | |
78134374 SM |
406 | if (type->code () == TYPE_CODE_STRUCT |
407 | || type->code () == TYPE_CODE_UNION | |
408 | || type->code () == TYPE_CODE_ENUM) | |
7d93a1e0 | 409 | tagname = type->name (); |
e86ca25f TT |
410 | |
411 | if (tagname == nullptr) | |
2c74e833 | 412 | Py_RETURN_NONE; |
e86ca25f | 413 | return PyString_FromString (tagname); |
2c74e833 TT |
414 | } |
415 | ||
e1f2e1a2 CB |
416 | /* Return the type's objfile, or None. */ |
417 | static PyObject * | |
418 | typy_get_objfile (PyObject *self, void *closure) | |
419 | { | |
420 | struct type *type = ((type_object *) self)->type; | |
6ac37371 | 421 | struct objfile *objfile = type->objfile_owner (); |
e1f2e1a2 CB |
422 | |
423 | if (objfile == nullptr) | |
424 | Py_RETURN_NONE; | |
425 | return objfile_to_objfile_object (objfile).release (); | |
426 | } | |
427 | ||
2c74e833 TT |
428 | /* Return the type, stripped of typedefs. */ |
429 | static PyObject * | |
430 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
431 | { | |
432 | struct type *type = ((type_object *) self)->type; | |
5d9c5995 | 433 | |
a70b8144 | 434 | try |
5d9c5995 PM |
435 | { |
436 | type = check_typedef (type); | |
437 | } | |
230d2906 | 438 | catch (const gdb_exception &except) |
492d29ea PA |
439 | { |
440 | GDB_PY_HANDLE_EXCEPTION (except); | |
441 | } | |
2c74e833 | 442 | |
bc9abe4a | 443 | return type_to_type_object (type); |
2c74e833 TT |
444 | } |
445 | ||
9cc10fd1 PK |
446 | /* Strip typedefs and pointers/reference from a type. Then check that |
447 | it is a struct, union, or enum type. If not, raise TypeError. */ | |
448 | ||
449 | static struct type * | |
450 | typy_get_composite (struct type *type) | |
451 | { | |
9cc10fd1 PK |
452 | |
453 | for (;;) | |
454 | { | |
a70b8144 | 455 | try |
9cc10fd1 | 456 | { |
f168693b | 457 | type = check_typedef (type); |
9cc10fd1 | 458 | } |
230d2906 | 459 | catch (const gdb_exception &except) |
492d29ea PA |
460 | { |
461 | GDB_PY_HANDLE_EXCEPTION (except); | |
462 | } | |
9cc10fd1 | 463 | |
78134374 | 464 | if (type->code () != TYPE_CODE_PTR && !TYPE_IS_REFERENCE (type)) |
9cc10fd1 PK |
465 | break; |
466 | type = TYPE_TARGET_TYPE (type); | |
467 | } | |
468 | ||
469 | /* If this is not a struct, union, or enum type, raise TypeError | |
470 | exception. */ | |
78134374 SM |
471 | if (type->code () != TYPE_CODE_STRUCT |
472 | && type->code () != TYPE_CODE_UNION | |
473 | && type->code () != TYPE_CODE_ENUM | |
b3f9469b | 474 | && type->code () != TYPE_CODE_METHOD |
78134374 | 475 | && type->code () != TYPE_CODE_FUNC) |
9cc10fd1 PK |
476 | { |
477 | PyErr_SetString (PyExc_TypeError, | |
bed91f4d | 478 | "Type is not a structure, union, enum, or function type."); |
9cc10fd1 PK |
479 | return NULL; |
480 | } | |
256458bc | 481 | |
9cc10fd1 PK |
482 | return type; |
483 | } | |
484 | ||
a72c3253 | 485 | /* Helper for typy_array and typy_vector. */ |
702c2711 TT |
486 | |
487 | static PyObject * | |
a72c3253 | 488 | typy_array_1 (PyObject *self, PyObject *args, int is_vector) |
702c2711 | 489 | { |
74aedc46 | 490 | long n1, n2; |
702c2711 TT |
491 | PyObject *n2_obj = NULL; |
492 | struct type *array = NULL; | |
493 | struct type *type = ((type_object *) self)->type; | |
702c2711 | 494 | |
74aedc46 | 495 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
496 | return NULL; |
497 | ||
498 | if (n2_obj) | |
499 | { | |
500 | if (!PyInt_Check (n2_obj)) | |
501 | { | |
502 | PyErr_SetString (PyExc_RuntimeError, | |
503 | _("Array bound must be an integer")); | |
504 | return NULL; | |
505 | } | |
74aedc46 TT |
506 | |
507 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
508 | return NULL; |
509 | } | |
510 | else | |
511 | { | |
512 | n2 = n1; | |
513 | n1 = 0; | |
514 | } | |
515 | ||
e810d75b | 516 | if (n2 < n1 - 1) /* Note: An empty array has n2 == n1 - 1. */ |
702c2711 TT |
517 | { |
518 | PyErr_SetString (PyExc_ValueError, | |
519 | _("Array length must not be negative")); | |
520 | return NULL; | |
521 | } | |
522 | ||
a70b8144 | 523 | try |
702c2711 TT |
524 | { |
525 | array = lookup_array_range_type (type, n1, n2); | |
a72c3253 DE |
526 | if (is_vector) |
527 | make_vector_type (array); | |
702c2711 | 528 | } |
230d2906 | 529 | catch (const gdb_exception &except) |
492d29ea PA |
530 | { |
531 | GDB_PY_HANDLE_EXCEPTION (except); | |
532 | } | |
702c2711 TT |
533 | |
534 | return type_to_type_object (array); | |
535 | } | |
536 | ||
a72c3253 DE |
537 | /* Return an array type. */ |
538 | ||
539 | static PyObject * | |
540 | typy_array (PyObject *self, PyObject *args) | |
541 | { | |
542 | return typy_array_1 (self, args, 0); | |
543 | } | |
544 | ||
545 | /* Return a vector type. */ | |
546 | ||
547 | static PyObject * | |
548 | typy_vector (PyObject *self, PyObject *args) | |
549 | { | |
550 | return typy_array_1 (self, args, 1); | |
551 | } | |
552 | ||
2c74e833 TT |
553 | /* Return a Type object which represents a pointer to SELF. */ |
554 | static PyObject * | |
555 | typy_pointer (PyObject *self, PyObject *args) | |
556 | { | |
557 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 558 | |
a70b8144 | 559 | try |
2c74e833 TT |
560 | { |
561 | type = lookup_pointer_type (type); | |
562 | } | |
230d2906 | 563 | catch (const gdb_exception &except) |
492d29ea PA |
564 | { |
565 | GDB_PY_HANDLE_EXCEPTION (except); | |
566 | } | |
2c74e833 TT |
567 | |
568 | return type_to_type_object (type); | |
569 | } | |
570 | ||
361ae042 PM |
571 | /* Return the range of a type represented by SELF. The return type is |
572 | a tuple. The first element of the tuple contains the low bound, | |
573 | while the second element of the tuple contains the high bound. */ | |
574 | static PyObject * | |
575 | typy_range (PyObject *self, PyObject *args) | |
576 | { | |
577 | struct type *type = ((type_object *) self)->type; | |
8d099ae9 PM |
578 | /* Initialize these to appease GCC warnings. */ |
579 | LONGEST low = 0, high = 0; | |
361ae042 | 580 | |
78134374 SM |
581 | if (type->code () != TYPE_CODE_ARRAY |
582 | && type->code () != TYPE_CODE_STRING | |
583 | && type->code () != TYPE_CODE_RANGE) | |
361ae042 PM |
584 | { |
585 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 586 | _("This type does not have a range.")); |
361ae042 PM |
587 | return NULL; |
588 | } | |
589 | ||
78134374 | 590 | switch (type->code ()) |
361ae042 PM |
591 | { |
592 | case TYPE_CODE_ARRAY: | |
593 | case TYPE_CODE_STRING: | |
361ae042 | 594 | case TYPE_CODE_RANGE: |
5537ddd0 SM |
595 | low = type->bounds ()->low.const_val (); |
596 | high = type->bounds ()->high.const_val ();; | |
361ae042 PM |
597 | break; |
598 | } | |
599 | ||
062534d4 | 600 | gdbpy_ref<> low_bound = gdb_py_object_from_longest (low); |
3bb43384 TT |
601 | if (low_bound == NULL) |
602 | return NULL; | |
361ae042 | 603 | |
062534d4 | 604 | gdbpy_ref<> high_bound = gdb_py_object_from_longest (high); |
3bb43384 TT |
605 | if (high_bound == NULL) |
606 | return NULL; | |
361ae042 | 607 | |
7780f186 | 608 | gdbpy_ref<> result (PyTuple_New (2)); |
3bb43384 TT |
609 | if (result == NULL) |
610 | return NULL; | |
256458bc | 611 | |
3bb43384 TT |
612 | if (PyTuple_SetItem (result.get (), 0, low_bound.release ()) != 0 |
613 | || PyTuple_SetItem (result.get (), 1, high_bound.release ()) != 0) | |
614 | return NULL; | |
615 | return result.release (); | |
361ae042 PM |
616 | } |
617 | ||
2c74e833 TT |
618 | /* Return a Type object which represents a reference to SELF. */ |
619 | static PyObject * | |
620 | typy_reference (PyObject *self, PyObject *args) | |
621 | { | |
622 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 623 | |
a70b8144 | 624 | try |
2c74e833 | 625 | { |
3b224330 | 626 | type = lookup_lvalue_reference_type (type); |
2c74e833 | 627 | } |
230d2906 | 628 | catch (const gdb_exception &except) |
492d29ea PA |
629 | { |
630 | GDB_PY_HANDLE_EXCEPTION (except); | |
631 | } | |
2c74e833 TT |
632 | |
633 | return type_to_type_object (type); | |
634 | } | |
635 | ||
636 | /* Return a Type object which represents the target type of SELF. */ | |
637 | static PyObject * | |
638 | typy_target (PyObject *self, PyObject *args) | |
639 | { | |
640 | struct type *type = ((type_object *) self)->type; | |
641 | ||
642 | if (!TYPE_TARGET_TYPE (type)) | |
643 | { | |
256458bc | 644 | PyErr_SetString (PyExc_RuntimeError, |
044c0f87 | 645 | _("Type does not have a target.")); |
2c74e833 TT |
646 | return NULL; |
647 | } | |
648 | ||
649 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
650 | } | |
651 | ||
652 | /* Return a const-qualified type variant. */ | |
653 | static PyObject * | |
654 | typy_const (PyObject *self, PyObject *args) | |
655 | { | |
656 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 657 | |
a70b8144 | 658 | try |
2c74e833 TT |
659 | { |
660 | type = make_cv_type (1, 0, type, NULL); | |
661 | } | |
230d2906 | 662 | catch (const gdb_exception &except) |
492d29ea PA |
663 | { |
664 | GDB_PY_HANDLE_EXCEPTION (except); | |
665 | } | |
2c74e833 TT |
666 | |
667 | return type_to_type_object (type); | |
668 | } | |
669 | ||
670 | /* Return a volatile-qualified type variant. */ | |
671 | static PyObject * | |
672 | typy_volatile (PyObject *self, PyObject *args) | |
673 | { | |
674 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 675 | |
a70b8144 | 676 | try |
2c74e833 TT |
677 | { |
678 | type = make_cv_type (0, 1, type, NULL); | |
679 | } | |
230d2906 | 680 | catch (const gdb_exception &except) |
492d29ea PA |
681 | { |
682 | GDB_PY_HANDLE_EXCEPTION (except); | |
683 | } | |
2c74e833 TT |
684 | |
685 | return type_to_type_object (type); | |
686 | } | |
687 | ||
688 | /* Return an unqualified type variant. */ | |
689 | static PyObject * | |
690 | typy_unqualified (PyObject *self, PyObject *args) | |
691 | { | |
692 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 693 | |
a70b8144 | 694 | try |
2c74e833 TT |
695 | { |
696 | type = make_cv_type (0, 0, type, NULL); | |
697 | } | |
230d2906 | 698 | catch (const gdb_exception &except) |
492d29ea PA |
699 | { |
700 | GDB_PY_HANDLE_EXCEPTION (except); | |
701 | } | |
2c74e833 TT |
702 | |
703 | return type_to_type_object (type); | |
704 | } | |
705 | ||
706 | /* Return the size of the type represented by SELF, in bytes. */ | |
707 | static PyObject * | |
708 | typy_get_sizeof (PyObject *self, void *closure) | |
709 | { | |
710 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 711 | |
1acda803 | 712 | bool size_varies = false; |
a70b8144 | 713 | try |
2c74e833 TT |
714 | { |
715 | check_typedef (type); | |
1acda803 TT |
716 | |
717 | size_varies = TYPE_HAS_DYNAMIC_LENGTH (type); | |
2c74e833 | 718 | } |
230d2906 | 719 | catch (const gdb_exception &except) |
492d29ea PA |
720 | { |
721 | } | |
492d29ea | 722 | |
2c74e833 TT |
723 | /* Ignore exceptions. */ |
724 | ||
1acda803 TT |
725 | if (size_varies) |
726 | Py_RETURN_NONE; | |
4bde49dc | 727 | return gdb_py_object_from_longest (TYPE_LENGTH (type)).release (); |
2c74e833 TT |
728 | } |
729 | ||
6d7bb824 TT |
730 | /* Return the alignment of the type represented by SELF, in bytes. */ |
731 | static PyObject * | |
732 | typy_get_alignof (PyObject *self, void *closure) | |
733 | { | |
734 | struct type *type = ((type_object *) self)->type; | |
735 | ||
736 | ULONGEST align = 0; | |
a70b8144 | 737 | try |
6d7bb824 TT |
738 | { |
739 | align = type_align (type); | |
740 | } | |
230d2906 | 741 | catch (const gdb_exception &except) |
6d7bb824 TT |
742 | { |
743 | align = 0; | |
744 | } | |
6d7bb824 TT |
745 | |
746 | /* Ignore exceptions. */ | |
747 | ||
12dfa12a | 748 | return gdb_py_object_from_ulongest (align).release (); |
6d7bb824 TT |
749 | } |
750 | ||
1acda803 TT |
751 | /* Return whether or not the type is dynamic. */ |
752 | static PyObject * | |
753 | typy_get_dynamic (PyObject *self, void *closure) | |
754 | { | |
755 | struct type *type = ((type_object *) self)->type; | |
756 | ||
757 | bool result = false; | |
758 | try | |
759 | { | |
760 | result = is_dynamic_type (type); | |
761 | } | |
762 | catch (const gdb_exception &except) | |
763 | { | |
764 | /* Ignore exceptions. */ | |
765 | } | |
766 | ||
767 | if (result) | |
768 | Py_RETURN_TRUE; | |
769 | Py_RETURN_FALSE; | |
770 | } | |
771 | ||
2c74e833 | 772 | static struct type * |
9df2fbc4 | 773 | typy_lookup_typename (const char *type_name, const struct block *block) |
2c74e833 TT |
774 | { |
775 | struct type *type = NULL; | |
d59b6f6c | 776 | |
a70b8144 | 777 | try |
2c74e833 | 778 | { |
61012eef | 779 | if (startswith (type_name, "struct ")) |
2c74e833 | 780 | type = lookup_struct (type_name + 7, NULL); |
61012eef | 781 | else if (startswith (type_name, "union ")) |
2c74e833 | 782 | type = lookup_union (type_name + 6, NULL); |
61012eef | 783 | else if (startswith (type_name, "enum ")) |
2c74e833 TT |
784 | type = lookup_enum (type_name + 5, NULL); |
785 | else | |
b858499d | 786 | type = lookup_typename (python_language, |
5107b149 | 787 | type_name, block, 0); |
2c74e833 | 788 | } |
230d2906 | 789 | catch (const gdb_exception &except) |
492d29ea PA |
790 | { |
791 | GDB_PY_HANDLE_EXCEPTION (except); | |
792 | } | |
2c74e833 TT |
793 | |
794 | return type; | |
795 | } | |
796 | ||
797 | static struct type * | |
5107b149 | 798 | typy_lookup_type (struct demangle_component *demangled, |
9df2fbc4 | 799 | const struct block *block) |
2c74e833 | 800 | { |
cd829959 | 801 | struct type *type, *rtype = NULL; |
2c74e833 TT |
802 | enum demangle_component_type demangled_type; |
803 | ||
804 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
805 | memory pointed by demangled. */ | |
806 | demangled_type = demangled->type; | |
807 | ||
808 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
809 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
e4347c89 | 810 | || demangled_type == DEMANGLE_COMPONENT_RVALUE_REFERENCE |
2c74e833 TT |
811 | || demangled_type == DEMANGLE_COMPONENT_CONST |
812 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
813 | { | |
5107b149 | 814 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
815 | if (! type) |
816 | return NULL; | |
817 | ||
a70b8144 | 818 | try |
76dce0be | 819 | { |
cd829959 PM |
820 | /* If the demangled_type matches with one of the types |
821 | below, run the corresponding function and save the type | |
822 | to return later. We cannot just return here as we are in | |
823 | an exception handler. */ | |
76dce0be PM |
824 | switch (demangled_type) |
825 | { | |
826 | case DEMANGLE_COMPONENT_REFERENCE: | |
3b224330 | 827 | rtype = lookup_lvalue_reference_type (type); |
cd829959 | 828 | break; |
e4347c89 AV |
829 | case DEMANGLE_COMPONENT_RVALUE_REFERENCE: |
830 | rtype = lookup_rvalue_reference_type (type); | |
831 | break; | |
76dce0be | 832 | case DEMANGLE_COMPONENT_POINTER: |
cd829959 PM |
833 | rtype = lookup_pointer_type (type); |
834 | break; | |
76dce0be | 835 | case DEMANGLE_COMPONENT_CONST: |
cd829959 PM |
836 | rtype = make_cv_type (1, 0, type, NULL); |
837 | break; | |
76dce0be | 838 | case DEMANGLE_COMPONENT_VOLATILE: |
cd829959 PM |
839 | rtype = make_cv_type (0, 1, type, NULL); |
840 | break; | |
76dce0be | 841 | } |
76dce0be | 842 | } |
230d2906 | 843 | catch (const gdb_exception &except) |
492d29ea PA |
844 | { |
845 | GDB_PY_HANDLE_EXCEPTION (except); | |
846 | } | |
2c74e833 | 847 | } |
256458bc | 848 | |
cd829959 PM |
849 | /* If we have a type from the switch statement above, just return |
850 | that. */ | |
851 | if (rtype) | |
852 | return rtype; | |
256458bc | 853 | |
cd829959 | 854 | /* We don't have a type, so lookup the type. */ |
29592bde PA |
855 | gdb::unique_xmalloc_ptr<char> type_name = cp_comp_to_string (demangled, 10); |
856 | return typy_lookup_typename (type_name.get (), block); | |
2c74e833 TT |
857 | } |
858 | ||
326fd672 TT |
859 | /* This is a helper function for typy_template_argument that is used |
860 | when the type does not have template symbols attached. It works by | |
861 | parsing the type name. This happens with compilers, like older | |
862 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
863 | ||
2c74e833 | 864 | static PyObject * |
9df2fbc4 | 865 | typy_legacy_template_argument (struct type *type, const struct block *block, |
326fd672 | 866 | int argno) |
2c74e833 | 867 | { |
326fd672 | 868 | int i; |
2c74e833 | 869 | struct demangle_component *demangled; |
c8b23b3f | 870 | std::unique_ptr<demangle_parse_info> info; |
3513a6bb | 871 | std::string err; |
2c74e833 | 872 | struct type *argtype; |
2c74e833 | 873 | |
7d93a1e0 | 874 | if (type->name () == NULL) |
2c74e833 | 875 | { |
5107b149 | 876 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
877 | return NULL; |
878 | } | |
879 | ||
a70b8144 | 880 | try |
5d9c5995 PM |
881 | { |
882 | /* Note -- this is not thread-safe. */ | |
7d93a1e0 | 883 | info = cp_demangled_name_to_comp (type->name (), &err); |
5d9c5995 | 884 | } |
230d2906 | 885 | catch (const gdb_exception &except) |
492d29ea PA |
886 | { |
887 | GDB_PY_HANDLE_EXCEPTION (except); | |
888 | } | |
5d9c5995 | 889 | |
3a93a0c2 | 890 | if (! info) |
2c74e833 | 891 | { |
3513a6bb | 892 | PyErr_SetString (PyExc_RuntimeError, err.c_str ()); |
2c74e833 TT |
893 | return NULL; |
894 | } | |
3a93a0c2 | 895 | demangled = info->tree; |
2c74e833 TT |
896 | |
897 | /* Strip off component names. */ | |
898 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
899 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
900 | demangled = demangled->u.s_binary.right; | |
901 | ||
902 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
903 | { | |
5107b149 | 904 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
905 | return NULL; |
906 | } | |
907 | ||
908 | /* Skip from the template to the arguments. */ | |
909 | demangled = demangled->u.s_binary.right; | |
910 | ||
911 | for (i = 0; demangled && i < argno; ++i) | |
912 | demangled = demangled->u.s_binary.right; | |
913 | ||
914 | if (! demangled) | |
915 | { | |
5107b149 | 916 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
917 | argno); |
918 | return NULL; | |
919 | } | |
920 | ||
5107b149 | 921 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
922 | if (! argtype) |
923 | return NULL; | |
924 | ||
925 | return type_to_type_object (argtype); | |
326fd672 TT |
926 | } |
927 | ||
928 | static PyObject * | |
929 | typy_template_argument (PyObject *self, PyObject *args) | |
930 | { | |
931 | int argno; | |
932 | struct type *type = ((type_object *) self)->type; | |
9df2fbc4 | 933 | const struct block *block = NULL; |
326fd672 TT |
934 | PyObject *block_obj = NULL; |
935 | struct symbol *sym; | |
936 | struct value *val = NULL; | |
326fd672 TT |
937 | |
938 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
939 | return NULL; | |
940 | ||
fd3ba736 TT |
941 | if (argno < 0) |
942 | { | |
943 | PyErr_SetString (PyExc_RuntimeError, | |
944 | _("Template argument number must be non-negative")); | |
945 | return NULL; | |
946 | } | |
947 | ||
326fd672 TT |
948 | if (block_obj) |
949 | { | |
950 | block = block_object_to_block (block_obj); | |
951 | if (! block) | |
952 | { | |
953 | PyErr_SetString (PyExc_RuntimeError, | |
954 | _("Second argument must be block.")); | |
955 | return NULL; | |
956 | } | |
957 | } | |
958 | ||
a70b8144 | 959 | try |
05d0e1e7 TT |
960 | { |
961 | type = check_typedef (type); | |
aa006118 | 962 | if (TYPE_IS_REFERENCE (type)) |
05d0e1e7 TT |
963 | type = check_typedef (TYPE_TARGET_TYPE (type)); |
964 | } | |
230d2906 | 965 | catch (const gdb_exception &except) |
492d29ea PA |
966 | { |
967 | GDB_PY_HANDLE_EXCEPTION (except); | |
968 | } | |
326fd672 TT |
969 | |
970 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
971 | name. This is inefficient if we do not have a template type -- | |
972 | but that is going to wind up as an error anyhow. */ | |
973 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
974 | return typy_legacy_template_argument (type, block, argno); | |
975 | ||
976 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
977 | { | |
978 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
979 | argno); | |
980 | return NULL; | |
981 | } | |
982 | ||
983 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
984 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
985 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
986 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
987 | { | |
988 | PyErr_Format (PyExc_RuntimeError, | |
989 | _("Template argument is optimized out")); | |
990 | return NULL; | |
991 | } | |
992 | ||
a70b8144 | 993 | try |
326fd672 TT |
994 | { |
995 | val = value_of_variable (sym, block); | |
996 | } | |
230d2906 | 997 | catch (const gdb_exception &except) |
492d29ea PA |
998 | { |
999 | GDB_PY_HANDLE_EXCEPTION (except); | |
1000 | } | |
326fd672 TT |
1001 | |
1002 | return value_to_value_object (val); | |
2c74e833 TT |
1003 | } |
1004 | ||
1005 | static PyObject * | |
1006 | typy_str (PyObject *self) | |
1007 | { | |
d7e74731 | 1008 | string_file thetype; |
2c74e833 | 1009 | |
a70b8144 | 1010 | try |
2c74e833 | 1011 | { |
d7e74731 | 1012 | LA_PRINT_TYPE (type_object_to_type (self), "", &thetype, -1, 0, |
53342f27 | 1013 | &type_print_raw_options); |
2c74e833 | 1014 | } |
230d2906 | 1015 | catch (const gdb_exception &except) |
2c74e833 | 1016 | { |
2c74e833 TT |
1017 | GDB_PY_HANDLE_EXCEPTION (except); |
1018 | } | |
1019 | ||
d7e74731 PA |
1020 | return PyUnicode_Decode (thetype.c_str (), thetype.size (), |
1021 | host_charset (), NULL); | |
2c74e833 TT |
1022 | } |
1023 | ||
d839c8a4 TT |
1024 | /* Implement the richcompare method. */ |
1025 | ||
1026 | static PyObject * | |
1027 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
1028 | { | |
894882e3 | 1029 | bool result = false; |
d839c8a4 TT |
1030 | struct type *type1 = type_object_to_type (self); |
1031 | struct type *type2 = type_object_to_type (other); | |
d839c8a4 TT |
1032 | |
1033 | /* We can only compare ourselves to another Type object, and only | |
1034 | for equality or inequality. */ | |
1035 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
1036 | { | |
1037 | Py_INCREF (Py_NotImplemented); | |
1038 | return Py_NotImplemented; | |
1039 | } | |
1040 | ||
1041 | if (type1 == type2) | |
894882e3 | 1042 | result = true; |
d839c8a4 TT |
1043 | else |
1044 | { | |
a70b8144 | 1045 | try |
d839c8a4 | 1046 | { |
ca092b61 | 1047 | result = types_deeply_equal (type1, type2); |
d839c8a4 | 1048 | } |
230d2906 | 1049 | catch (const gdb_exception &except) |
492d29ea PA |
1050 | { |
1051 | /* If there is a GDB exception, a comparison is not capable | |
1052 | (or trusted), so exit. */ | |
1053 | GDB_PY_HANDLE_EXCEPTION (except); | |
1054 | } | |
d839c8a4 TT |
1055 | } |
1056 | ||
ca092b61 | 1057 | if (op == (result ? Py_EQ : Py_NE)) |
d839c8a4 TT |
1058 | Py_RETURN_TRUE; |
1059 | Py_RETURN_FALSE; | |
1060 | } | |
1061 | ||
2c74e833 TT |
1062 | \f |
1063 | ||
1064 | static const struct objfile_data *typy_objfile_data_key; | |
1065 | ||
1066 | static void | |
c1bd65d0 | 1067 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 | 1068 | { |
19ba03f4 | 1069 | type_object *obj = (type_object *) datum; |
2c74e833 | 1070 | |
0646da15 TT |
1071 | if (!gdb_python_initialized) |
1072 | return; | |
1073 | ||
2c74e833 TT |
1074 | /* This prevents another thread from freeing the objects we're |
1075 | operating on. */ | |
08feed99 | 1076 | gdbpy_enter enter_py (objfile->arch (), current_language); |
2c74e833 | 1077 | |
6108fd18 | 1078 | htab_up copied_types = create_copied_types_hash (objfile); |
2c74e833 TT |
1079 | |
1080 | while (obj) | |
1081 | { | |
1082 | type_object *next = obj->next; | |
1083 | ||
6108fd18 | 1084 | htab_empty (copied_types.get ()); |
2c74e833 | 1085 | |
6108fd18 TT |
1086 | obj->type = copy_type_recursive (objfile, obj->type, |
1087 | copied_types.get ()); | |
2c74e833 TT |
1088 | |
1089 | obj->next = NULL; | |
1090 | obj->prev = NULL; | |
1091 | ||
1092 | obj = next; | |
1093 | } | |
2c74e833 TT |
1094 | } |
1095 | ||
1096 | static void | |
1097 | set_type (type_object *obj, struct type *type) | |
1098 | { | |
1099 | obj->type = type; | |
1100 | obj->prev = NULL; | |
6ac37371 | 1101 | if (type != nullptr && type->objfile_owner () != nullptr) |
2c74e833 | 1102 | { |
6ac37371 | 1103 | struct objfile *objfile = type->objfile_owner (); |
2c74e833 | 1104 | |
f99b5177 | 1105 | obj->next = ((type_object *) |
19ba03f4 | 1106 | objfile_data (objfile, typy_objfile_data_key)); |
2c74e833 TT |
1107 | if (obj->next) |
1108 | obj->next->prev = obj; | |
1109 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
1110 | } | |
1111 | else | |
1112 | obj->next = NULL; | |
1113 | } | |
1114 | ||
1115 | static void | |
1116 | typy_dealloc (PyObject *obj) | |
1117 | { | |
1118 | type_object *type = (type_object *) obj; | |
1119 | ||
1120 | if (type->prev) | |
1121 | type->prev->next = type->next; | |
6ac37371 | 1122 | else if (type->type != nullptr && type->type->objfile_owner () != nullptr) |
2c74e833 TT |
1123 | { |
1124 | /* Must reset head of list. */ | |
6ac37371 | 1125 | struct objfile *objfile = type->type->objfile_owner (); |
d59b6f6c | 1126 | |
2c74e833 TT |
1127 | if (objfile) |
1128 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
1129 | } | |
1130 | if (type->next) | |
1131 | type->next->prev = type->prev; | |
1132 | ||
9a27f2c6 | 1133 | Py_TYPE (type)->tp_free (type); |
2c74e833 TT |
1134 | } |
1135 | ||
a73bb892 PK |
1136 | /* Return number of fields ("length" of the field dictionary). */ |
1137 | ||
1138 | static Py_ssize_t | |
1139 | typy_length (PyObject *self) | |
1140 | { | |
1141 | struct type *type = ((type_object *) self)->type; | |
1142 | ||
9cc10fd1 PK |
1143 | type = typy_get_composite (type); |
1144 | if (type == NULL) | |
1145 | return -1; | |
1146 | ||
1f704f76 | 1147 | return type->num_fields (); |
a73bb892 PK |
1148 | } |
1149 | ||
9cc10fd1 | 1150 | /* Implements boolean evaluation of gdb.Type. Handle this like other |
256458bc | 1151 | Python objects that don't have a meaningful truth value -- all |
9cc10fd1 PK |
1152 | values are true. */ |
1153 | ||
1154 | static int | |
1155 | typy_nonzero (PyObject *self) | |
1156 | { | |
1157 | return 1; | |
1158 | } | |
1159 | ||
59fb7612 SS |
1160 | /* Return optimized out value of this type. */ |
1161 | ||
1162 | static PyObject * | |
1163 | typy_optimized_out (PyObject *self, PyObject *args) | |
1164 | { | |
1165 | struct type *type = ((type_object *) self)->type; | |
1166 | ||
1167 | return value_to_value_object (allocate_optimized_out_value (type)); | |
1168 | } | |
1169 | ||
a73bb892 PK |
1170 | /* Return a gdb.Field object for the field named by the argument. */ |
1171 | ||
1172 | static PyObject * | |
1173 | typy_getitem (PyObject *self, PyObject *key) | |
1174 | { | |
1175 | struct type *type = ((type_object *) self)->type; | |
a73bb892 | 1176 | int i; |
76dce0be | 1177 | |
9b972014 | 1178 | gdb::unique_xmalloc_ptr<char> field = python_string_to_host_string (key); |
a73bb892 PK |
1179 | if (field == NULL) |
1180 | return NULL; | |
1181 | ||
256458bc | 1182 | /* We want just fields of this type, not of base types, so instead of |
a73bb892 PK |
1183 | using lookup_struct_elt_type, portions of that function are |
1184 | copied here. */ | |
1185 | ||
9cc10fd1 PK |
1186 | type = typy_get_composite (type); |
1187 | if (type == NULL) | |
1188 | return NULL; | |
256458bc | 1189 | |
1f704f76 | 1190 | for (i = 0; i < type->num_fields (); i++) |
a73bb892 | 1191 | { |
0d5cff50 | 1192 | const char *t_field_name = TYPE_FIELD_NAME (type, i); |
a73bb892 | 1193 | |
9b972014 | 1194 | if (t_field_name && (strcmp_iw (t_field_name, field.get ()) == 0)) |
1b20edf0 | 1195 | return convert_field (type, i).release (); |
a73bb892 PK |
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 | 1247 | |
1f704f76 | 1248 | for (i = 0; i < type->num_fields (); i++) |
a73bb892 | 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; | |
256458bc | 1332 | |
1f704f76 | 1333 | if (iter_obj->field < type->num_fields ()) |
a73bb892 | 1334 | { |
1b20edf0 TT |
1335 | gdbpy_ref<> result = make_fielditem (type, iter_obj->field, |
1336 | iter_obj->kind); | |
a73bb892 PK |
1337 | if (result != NULL) |
1338 | iter_obj->field++; | |
1b20edf0 | 1339 | return result.release (); |
a73bb892 PK |
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); | |
2e953aca | 1351 | Py_TYPE (obj)->tp_free (obj); |
a73bb892 PK |
1352 | } |
1353 | ||
2c74e833 TT |
1354 | /* Create a new Type referring to TYPE. */ |
1355 | PyObject * | |
1356 | type_to_type_object (struct type *type) | |
1357 | { | |
1358 | type_object *type_obj; | |
1359 | ||
5d63b30a TT |
1360 | try |
1361 | { | |
1362 | /* Try not to let stub types leak out to Python. */ | |
e46d3488 | 1363 | if (type->is_stub ()) |
5d63b30a TT |
1364 | type = check_typedef (type); |
1365 | } | |
1366 | catch (...) | |
1367 | { | |
1368 | /* Just ignore failures in check_typedef. */ | |
1369 | } | |
1370 | ||
2c74e833 TT |
1371 | type_obj = PyObject_New (type_object, &type_object_type); |
1372 | if (type_obj) | |
1373 | set_type (type_obj, type); | |
1374 | ||
1375 | return (PyObject *) type_obj; | |
1376 | } | |
1377 | ||
1378 | struct type * | |
1379 | type_object_to_type (PyObject *obj) | |
1380 | { | |
1381 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1382 | return NULL; | |
1383 | return ((type_object *) obj)->type; | |
1384 | } | |
1385 | ||
1386 | \f | |
1387 | ||
1388 | /* Implementation of gdb.lookup_type. */ | |
1389 | PyObject * | |
1390 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1391 | { | |
2adadf51 | 1392 | static const char *keywords[] = { "name", "block", NULL }; |
ddd49eee | 1393 | const char *type_name = NULL; |
2c74e833 | 1394 | struct type *type = NULL; |
5107b149 | 1395 | PyObject *block_obj = NULL; |
9df2fbc4 | 1396 | const struct block *block = NULL; |
2c74e833 | 1397 | |
2adadf51 PA |
1398 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1399 | &type_name, &block_obj)) | |
2c74e833 TT |
1400 | return NULL; |
1401 | ||
5107b149 PM |
1402 | if (block_obj) |
1403 | { | |
1404 | block = block_object_to_block (block_obj); | |
1405 | if (! block) | |
1406 | { | |
1407 | PyErr_SetString (PyExc_RuntimeError, | |
1408 | _("'block' argument must be a Block.")); | |
1409 | return NULL; | |
1410 | } | |
1411 | } | |
1412 | ||
1413 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1414 | if (! type) |
1415 | return NULL; | |
1416 | ||
8833fbf0 | 1417 | return type_to_type_object (type); |
2c74e833 TT |
1418 | } |
1419 | ||
999633ed | 1420 | int |
2c74e833 TT |
1421 | gdbpy_initialize_types (void) |
1422 | { | |
1423 | int i; | |
1424 | ||
1425 | typy_objfile_data_key | |
c1bd65d0 | 1426 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); |
2c74e833 TT |
1427 | |
1428 | if (PyType_Ready (&type_object_type) < 0) | |
999633ed | 1429 | return -1; |
2c74e833 | 1430 | if (PyType_Ready (&field_object_type) < 0) |
999633ed | 1431 | return -1; |
a73bb892 | 1432 | if (PyType_Ready (&type_iterator_object_type) < 0) |
999633ed | 1433 | return -1; |
2c74e833 TT |
1434 | |
1435 | for (i = 0; pyty_codes[i].name; ++i) | |
1436 | { | |
6c28e44a | 1437 | if (PyModule_AddIntConstant (gdb_module, pyty_codes[i].name, |
2c74e833 | 1438 | pyty_codes[i].code) < 0) |
999633ed | 1439 | return -1; |
2c74e833 TT |
1440 | } |
1441 | ||
aa36459a TT |
1442 | if (gdb_pymodule_addobject (gdb_module, "Type", |
1443 | (PyObject *) &type_object_type) < 0) | |
999633ed | 1444 | return -1; |
2c74e833 | 1445 | |
aa36459a TT |
1446 | if (gdb_pymodule_addobject (gdb_module, "TypeIterator", |
1447 | (PyObject *) &type_iterator_object_type) < 0) | |
999633ed | 1448 | return -1; |
a73bb892 | 1449 | |
aa36459a TT |
1450 | return gdb_pymodule_addobject (gdb_module, "Field", |
1451 | (PyObject *) &field_object_type); | |
2c74e833 TT |
1452 | } |
1453 | ||
1454 | \f | |
1455 | ||
0d1f4ceb | 1456 | static gdb_PyGetSetDef type_object_getset[] = |
2c74e833 | 1457 | { |
6d7bb824 TT |
1458 | { "alignof", typy_get_alignof, NULL, |
1459 | "The alignment of this type, in bytes.", NULL }, | |
2c74e833 TT |
1460 | { "code", typy_get_code, NULL, |
1461 | "The code for this type.", NULL }, | |
1acda803 TT |
1462 | { "dynamic", typy_get_dynamic, NULL, |
1463 | "Whether this type is dynamic.", NULL }, | |
c0d48811 JB |
1464 | { "name", typy_get_name, NULL, |
1465 | "The name for this type, or None.", NULL }, | |
2c74e833 TT |
1466 | { "sizeof", typy_get_sizeof, NULL, |
1467 | "The size of this type, in bytes.", NULL }, | |
1468 | { "tag", typy_get_tag, NULL, | |
1469 | "The tag name for this type, or None.", NULL }, | |
e1f2e1a2 CB |
1470 | { "objfile", typy_get_objfile, NULL, |
1471 | "The objfile this type was defined in, or None.", NULL }, | |
2c74e833 TT |
1472 | { NULL } |
1473 | }; | |
1474 | ||
1475 | static PyMethodDef type_object_methods[] = | |
1476 | { | |
702c2711 | 1477 | { "array", typy_array, METH_VARARGS, |
f28c316a DE |
1478 | "array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ |
1479 | Return a type which represents an array of objects of this type.\n\ | |
1480 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1481 | If LOW_BOUND is omitted, a value of zero is used." }, | |
a72c3253 DE |
1482 | { "vector", typy_vector, METH_VARARGS, |
1483 | "vector ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ | |
1484 | Return a type which represents a vector of objects of this type.\n\ | |
1485 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1486 | If LOW_BOUND is omitted, a value of zero is used.\n\ | |
1487 | Vectors differ from arrays in that if the current language has C-style\n\ | |
1488 | arrays, vectors don't decay to a pointer to the first element.\n\ | |
1489 | They are first class values." }, | |
a73bb892 PK |
1490 | { "__contains__", typy_has_key, METH_VARARGS, |
1491 | "T.__contains__(k) -> True if T has a field named k, else False" }, | |
2c74e833 TT |
1492 | { "const", typy_const, METH_NOARGS, |
1493 | "const () -> Type\n\ | |
1494 | Return a const variant of this type." }, | |
59fb7612 SS |
1495 | { "optimized_out", typy_optimized_out, METH_NOARGS, |
1496 | "optimized_out() -> Value\n\ | |
1497 | Return optimized out value of this type." }, | |
2c74e833 | 1498 | { "fields", typy_fields, METH_NOARGS, |
a73bb892 PK |
1499 | "fields () -> list\n\ |
1500 | Return a list holding all the fields of this type.\n\ | |
1501 | Each field is a gdb.Field object." }, | |
1502 | { "get", typy_get, METH_VARARGS, | |
1503 | "T.get(k[,default]) -> returns field named k in T, if it exists;\n\ | |
1504 | otherwise returns default, if supplied, or None if not." }, | |
1505 | { "has_key", typy_has_key, METH_VARARGS, | |
1506 | "T.has_key(k) -> True if T has a field named k, else False" }, | |
1507 | { "items", typy_items, METH_NOARGS, | |
1508 | "items () -> list\n\ | |
1509 | Return a list of (name, field) pairs of this type.\n\ | |
1510 | Each field is a gdb.Field object." }, | |
1511 | { "iteritems", typy_iteritems, METH_NOARGS, | |
1512 | "iteritems () -> an iterator over the (name, field)\n\ | |
1513 | pairs of this type. Each field is a gdb.Field object." }, | |
1514 | { "iterkeys", typy_iterkeys, METH_NOARGS, | |
1515 | "iterkeys () -> an iterator over the field names of this type." }, | |
1516 | { "itervalues", typy_itervalues, METH_NOARGS, | |
1517 | "itervalues () -> an iterator over the fields of this type.\n\ | |
1518 | Each field is a gdb.Field object." }, | |
1519 | { "keys", typy_field_names, METH_NOARGS, | |
1520 | "keys () -> list\n\ | |
1521 | Return a list holding all the fields names of this type." }, | |
2c74e833 TT |
1522 | { "pointer", typy_pointer, METH_NOARGS, |
1523 | "pointer () -> Type\n\ | |
1524 | Return a type of pointer to this type." }, | |
361ae042 PM |
1525 | { "range", typy_range, METH_NOARGS, |
1526 | "range () -> tuple\n\ | |
1527 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1528 | { "reference", typy_reference, METH_NOARGS, |
1529 | "reference () -> Type\n\ | |
1530 | Return a type of reference to this type." }, | |
1531 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1532 | "strip_typedefs () -> Type\n\ | |
1533 | Return a type formed by stripping this type of all typedefs."}, | |
1534 | { "target", typy_target, METH_NOARGS, | |
1535 | "target () -> Type\n\ | |
1536 | Return the target type of this type." }, | |
1537 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1538 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1539 | Return the type of a template argument." }, |
1540 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1541 | "unqualified () -> Type\n\ | |
1542 | Return a variant of this type without const or volatile attributes." }, | |
9cc10fd1 | 1543 | { "values", typy_values, METH_NOARGS, |
a73bb892 PK |
1544 | "values () -> list\n\ |
1545 | Return a list holding all the fields of this type.\n\ | |
1546 | Each field is a gdb.Field object." }, | |
2c74e833 TT |
1547 | { "volatile", typy_volatile, METH_NOARGS, |
1548 | "volatile () -> Type\n\ | |
1549 | Return a volatile variant of this type" }, | |
1550 | { NULL } | |
1551 | }; | |
1552 | ||
9cc10fd1 PK |
1553 | static PyNumberMethods type_object_as_number = { |
1554 | NULL, /* nb_add */ | |
1555 | NULL, /* nb_subtract */ | |
1556 | NULL, /* nb_multiply */ | |
9a27f2c6 | 1557 | #ifndef IS_PY3K |
9cc10fd1 | 1558 | NULL, /* nb_divide */ |
9a27f2c6 | 1559 | #endif |
9cc10fd1 PK |
1560 | NULL, /* nb_remainder */ |
1561 | NULL, /* nb_divmod */ | |
1562 | NULL, /* nb_power */ | |
1563 | NULL, /* nb_negative */ | |
1564 | NULL, /* nb_positive */ | |
1565 | NULL, /* nb_absolute */ | |
1566 | typy_nonzero, /* nb_nonzero */ | |
1567 | NULL, /* nb_invert */ | |
1568 | NULL, /* nb_lshift */ | |
1569 | NULL, /* nb_rshift */ | |
1570 | NULL, /* nb_and */ | |
1571 | NULL, /* nb_xor */ | |
1572 | NULL, /* nb_or */ | |
9a27f2c6 PK |
1573 | #ifdef IS_PY3K |
1574 | NULL, /* nb_int */ | |
1575 | NULL, /* reserved */ | |
1576 | #else | |
9cc10fd1 PK |
1577 | NULL, /* nb_coerce */ |
1578 | NULL, /* nb_int */ | |
1579 | NULL, /* nb_long */ | |
9a27f2c6 | 1580 | #endif |
9cc10fd1 | 1581 | NULL, /* nb_float */ |
9a27f2c6 | 1582 | #ifndef IS_PY3K |
9cc10fd1 PK |
1583 | NULL, /* nb_oct */ |
1584 | NULL /* nb_hex */ | |
9a27f2c6 | 1585 | #endif |
9cc10fd1 PK |
1586 | }; |
1587 | ||
a73bb892 PK |
1588 | static PyMappingMethods typy_mapping = { |
1589 | typy_length, | |
1590 | typy_getitem, | |
1591 | NULL /* no "set" method */ | |
1592 | }; | |
1593 | ||
e36122e9 | 1594 | PyTypeObject type_object_type = |
2c74e833 | 1595 | { |
9a27f2c6 | 1596 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1597 | "gdb.Type", /*tp_name*/ |
1598 | sizeof (type_object), /*tp_basicsize*/ | |
1599 | 0, /*tp_itemsize*/ | |
1600 | typy_dealloc, /*tp_dealloc*/ | |
1601 | 0, /*tp_print*/ | |
1602 | 0, /*tp_getattr*/ | |
1603 | 0, /*tp_setattr*/ | |
1604 | 0, /*tp_compare*/ | |
1605 | 0, /*tp_repr*/ | |
9cc10fd1 | 1606 | &type_object_as_number, /*tp_as_number*/ |
2c74e833 | 1607 | 0, /*tp_as_sequence*/ |
a73bb892 | 1608 | &typy_mapping, /*tp_as_mapping*/ |
2c74e833 TT |
1609 | 0, /*tp_hash */ |
1610 | 0, /*tp_call*/ | |
1611 | typy_str, /*tp_str*/ | |
1612 | 0, /*tp_getattro*/ | |
1613 | 0, /*tp_setattro*/ | |
1614 | 0, /*tp_as_buffer*/ | |
1615 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1616 | "GDB type object", /* tp_doc */ | |
1617 | 0, /* tp_traverse */ | |
1618 | 0, /* tp_clear */ | |
d839c8a4 | 1619 | typy_richcompare, /* tp_richcompare */ |
2c74e833 | 1620 | 0, /* tp_weaklistoffset */ |
a73bb892 | 1621 | typy_iter, /* tp_iter */ |
2c74e833 TT |
1622 | 0, /* tp_iternext */ |
1623 | type_object_methods, /* tp_methods */ | |
1624 | 0, /* tp_members */ | |
1625 | type_object_getset, /* tp_getset */ | |
1626 | 0, /* tp_base */ | |
1627 | 0, /* tp_dict */ | |
1628 | 0, /* tp_descr_get */ | |
1629 | 0, /* tp_descr_set */ | |
1630 | 0, /* tp_dictoffset */ | |
1631 | 0, /* tp_init */ | |
1632 | 0, /* tp_alloc */ | |
1633 | 0, /* tp_new */ | |
1634 | }; | |
1635 | ||
0d1f4ceb | 1636 | static gdb_PyGetSetDef field_object_getset[] = |
2e8265fd TT |
1637 | { |
1638 | { "__dict__", gdb_py_generic_dict, NULL, | |
1639 | "The __dict__ for this field.", &field_object_type }, | |
1640 | { NULL } | |
1641 | }; | |
1642 | ||
e36122e9 | 1643 | PyTypeObject field_object_type = |
2c74e833 | 1644 | { |
9a27f2c6 | 1645 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1646 | "gdb.Field", /*tp_name*/ |
1647 | sizeof (field_object), /*tp_basicsize*/ | |
1648 | 0, /*tp_itemsize*/ | |
1649 | field_dealloc, /*tp_dealloc*/ | |
1650 | 0, /*tp_print*/ | |
1651 | 0, /*tp_getattr*/ | |
1652 | 0, /*tp_setattr*/ | |
1653 | 0, /*tp_compare*/ | |
1654 | 0, /*tp_repr*/ | |
1655 | 0, /*tp_as_number*/ | |
1656 | 0, /*tp_as_sequence*/ | |
1657 | 0, /*tp_as_mapping*/ | |
1658 | 0, /*tp_hash */ | |
1659 | 0, /*tp_call*/ | |
1660 | 0, /*tp_str*/ | |
1661 | 0, /*tp_getattro*/ | |
1662 | 0, /*tp_setattro*/ | |
1663 | 0, /*tp_as_buffer*/ | |
1664 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1665 | "GDB field object", /* tp_doc */ | |
1666 | 0, /* tp_traverse */ | |
1667 | 0, /* tp_clear */ | |
1668 | 0, /* tp_richcompare */ | |
1669 | 0, /* tp_weaklistoffset */ | |
1670 | 0, /* tp_iter */ | |
1671 | 0, /* tp_iternext */ | |
1672 | 0, /* tp_methods */ | |
1673 | 0, /* tp_members */ | |
2e8265fd | 1674 | field_object_getset, /* tp_getset */ |
2c74e833 TT |
1675 | 0, /* tp_base */ |
1676 | 0, /* tp_dict */ | |
1677 | 0, /* tp_descr_get */ | |
1678 | 0, /* tp_descr_set */ | |
1679 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1680 | 0, /* tp_init */ | |
1681 | 0, /* tp_alloc */ | |
1682 | 0, /* tp_new */ | |
1683 | }; | |
a73bb892 | 1684 | |
e36122e9 | 1685 | PyTypeObject type_iterator_object_type = { |
9a27f2c6 | 1686 | PyVarObject_HEAD_INIT (NULL, 0) |
a73bb892 PK |
1687 | "gdb.TypeIterator", /*tp_name*/ |
1688 | sizeof (typy_iterator_object), /*tp_basicsize*/ | |
1689 | 0, /*tp_itemsize*/ | |
1690 | typy_iterator_dealloc, /*tp_dealloc*/ | |
1691 | 0, /*tp_print*/ | |
1692 | 0, /*tp_getattr*/ | |
1693 | 0, /*tp_setattr*/ | |
1694 | 0, /*tp_compare*/ | |
1695 | 0, /*tp_repr*/ | |
1696 | 0, /*tp_as_number*/ | |
1697 | 0, /*tp_as_sequence*/ | |
1698 | 0, /*tp_as_mapping*/ | |
1699 | 0, /*tp_hash */ | |
1700 | 0, /*tp_call*/ | |
1701 | 0, /*tp_str*/ | |
1702 | 0, /*tp_getattro*/ | |
1703 | 0, /*tp_setattro*/ | |
1704 | 0, /*tp_as_buffer*/ | |
1705 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER, /*tp_flags*/ | |
1706 | "GDB type iterator object", /*tp_doc */ | |
1707 | 0, /*tp_traverse */ | |
1708 | 0, /*tp_clear */ | |
1709 | 0, /*tp_richcompare */ | |
1710 | 0, /*tp_weaklistoffset */ | |
1711 | typy_iterator_iter, /*tp_iter */ | |
1712 | typy_iterator_iternext, /*tp_iternext */ | |
1713 | 0 /*tp_methods */ | |
1714 | }; |