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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" |
67470e9d | 30 | #include "ada-lang.h" |
2c74e833 | 31 | |
f99b5177 | 32 | struct type_object |
2c74e833 TT |
33 | { |
34 | PyObject_HEAD | |
35 | struct type *type; | |
36 | ||
37 | /* If a Type object is associated with an objfile, it is kept on a | |
38 | doubly-linked list, rooted in the objfile. This lets us copy the | |
39 | underlying struct type when the objfile is deleted. */ | |
f99b5177 TT |
40 | struct type_object *prev; |
41 | struct type_object *next; | |
42 | }; | |
2c74e833 | 43 | |
e36122e9 | 44 | extern PyTypeObject type_object_type |
62eec1a5 | 45 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("type_object"); |
2c74e833 TT |
46 | |
47 | /* A Field object. */ | |
f99b5177 | 48 | struct field_object |
2c74e833 TT |
49 | { |
50 | PyObject_HEAD | |
51 | ||
52 | /* Dictionary holding our attributes. */ | |
53 | PyObject *dict; | |
f99b5177 | 54 | }; |
2c74e833 | 55 | |
e36122e9 | 56 | extern PyTypeObject field_object_type |
62eec1a5 | 57 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("field_object"); |
2c74e833 | 58 | |
a73bb892 | 59 | /* A type iterator object. */ |
f99b5177 | 60 | struct typy_iterator_object { |
a73bb892 PK |
61 | PyObject_HEAD |
62 | /* The current field index. */ | |
63 | int field; | |
64 | /* What to return. */ | |
65 | enum gdbpy_iter_kind kind; | |
66 | /* Pointer back to the original source type object. */ | |
f99b5177 TT |
67 | type_object *source; |
68 | }; | |
a73bb892 | 69 | |
e36122e9 | 70 | extern PyTypeObject type_iterator_object_type |
62eec1a5 | 71 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("typy_iterator_object"); |
a73bb892 | 72 | |
2c74e833 TT |
73 | /* This is used to initialize various gdb.TYPE_ constants. */ |
74 | struct pyty_code | |
75 | { | |
76 | /* The code. */ | |
77 | enum type_code code; | |
78 | /* The name. */ | |
79 | const char *name; | |
80 | }; | |
81 | ||
0dab82e9 PK |
82 | /* Forward declarations. */ |
83 | static PyObject *typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind); | |
84 | ||
2c74e833 TT |
85 | #define ENTRY(X) { X, #X } |
86 | ||
87 | static struct pyty_code pyty_codes[] = | |
88 | { | |
6b1755ce | 89 | ENTRY (TYPE_CODE_BITSTRING), |
2c74e833 TT |
90 | ENTRY (TYPE_CODE_PTR), |
91 | ENTRY (TYPE_CODE_ARRAY), | |
92 | ENTRY (TYPE_CODE_STRUCT), | |
93 | ENTRY (TYPE_CODE_UNION), | |
94 | ENTRY (TYPE_CODE_ENUM), | |
95 | ENTRY (TYPE_CODE_FLAGS), | |
96 | ENTRY (TYPE_CODE_FUNC), | |
97 | ENTRY (TYPE_CODE_INT), | |
98 | ENTRY (TYPE_CODE_FLT), | |
99 | ENTRY (TYPE_CODE_VOID), | |
100 | ENTRY (TYPE_CODE_SET), | |
101 | ENTRY (TYPE_CODE_RANGE), | |
102 | ENTRY (TYPE_CODE_STRING), | |
2c74e833 TT |
103 | ENTRY (TYPE_CODE_ERROR), |
104 | ENTRY (TYPE_CODE_METHOD), | |
105 | ENTRY (TYPE_CODE_METHODPTR), | |
106 | ENTRY (TYPE_CODE_MEMBERPTR), | |
107 | ENTRY (TYPE_CODE_REF), | |
3fcf899d | 108 | ENTRY (TYPE_CODE_RVALUE_REF), |
2c74e833 TT |
109 | ENTRY (TYPE_CODE_CHAR), |
110 | ENTRY (TYPE_CODE_BOOL), | |
111 | ENTRY (TYPE_CODE_COMPLEX), | |
112 | ENTRY (TYPE_CODE_TYPEDEF), | |
113 | ENTRY (TYPE_CODE_NAMESPACE), | |
114 | ENTRY (TYPE_CODE_DECFLOAT), | |
115 | ENTRY (TYPE_CODE_INTERNAL_FUNCTION), | |
116 | { TYPE_CODE_UNDEF, NULL } | |
117 | }; | |
118 | ||
119 | \f | |
120 | ||
121 | static void | |
122 | field_dealloc (PyObject *obj) | |
123 | { | |
124 | field_object *f = (field_object *) obj; | |
d59b6f6c | 125 | |
2c74e833 | 126 | Py_XDECREF (f->dict); |
9a27f2c6 | 127 | Py_TYPE (obj)->tp_free (obj); |
2c74e833 TT |
128 | } |
129 | ||
130 | static PyObject * | |
131 | field_new (void) | |
132 | { | |
88b6faea TT |
133 | gdbpy_ref<field_object> result (PyObject_New (field_object, |
134 | &field_object_type)); | |
d59b6f6c | 135 | |
88b6faea | 136 | if (result != NULL) |
2c74e833 TT |
137 | { |
138 | result->dict = PyDict_New (); | |
139 | if (!result->dict) | |
88b6faea | 140 | return NULL; |
2c74e833 | 141 | } |
88b6faea | 142 | return (PyObject *) result.release (); |
2c74e833 TT |
143 | } |
144 | ||
145 | \f | |
146 | ||
a16b0e22 SC |
147 | /* Return true if OBJ is of type gdb.Field, false otherwise. */ |
148 | ||
149 | int | |
150 | gdbpy_is_field (PyObject *obj) | |
151 | { | |
152 | return PyObject_TypeCheck (obj, &field_object_type); | |
153 | } | |
154 | ||
2c74e833 TT |
155 | /* Return the code for this type. */ |
156 | static PyObject * | |
157 | typy_get_code (PyObject *self, void *closure) | |
158 | { | |
159 | struct type *type = ((type_object *) self)->type; | |
d59b6f6c | 160 | |
47f0e2ff | 161 | return gdb_py_object_from_longest (type->code ()).release (); |
2c74e833 TT |
162 | } |
163 | ||
164 | /* Helper function for typy_fields which converts a single field to a | |
a73bb892 PK |
165 | gdb.Field object. Returns NULL on error. */ |
166 | ||
1b20edf0 | 167 | static gdbpy_ref<> |
2c74e833 TT |
168 | convert_field (struct type *type, int field) |
169 | { | |
7780f186 | 170 | gdbpy_ref<> result (field_new ()); |
2c74e833 | 171 | |
3bb43384 | 172 | if (result == NULL) |
2c74e833 TT |
173 | return NULL; |
174 | ||
7780f186 | 175 | gdbpy_ref<> arg (type_to_type_object (type)); |
a16b0e22 | 176 | if (arg == NULL) |
3bb43384 TT |
177 | return NULL; |
178 | if (PyObject_SetAttrString (result.get (), "parent_type", arg.get ()) < 0) | |
179 | return NULL; | |
a16b0e22 | 180 | |
ceacbf6e | 181 | if (!field_is_static (&type->field (field))) |
2c74e833 | 182 | { |
14e75d8e JK |
183 | const char *attrstring; |
184 | ||
78134374 | 185 | if (type->code () == TYPE_CODE_ENUM) |
14e75d8e | 186 | { |
4bde49dc | 187 | arg = gdb_py_object_from_longest (TYPE_FIELD_ENUMVAL (type, field)); |
14e75d8e JK |
188 | attrstring = "enumval"; |
189 | } | |
190 | else | |
191 | { | |
1acda803 TT |
192 | if (TYPE_FIELD_LOC_KIND (type, field) == FIELD_LOC_KIND_DWARF_BLOCK) |
193 | arg = gdbpy_ref<>::new_reference (Py_None); | |
194 | else | |
4bde49dc | 195 | arg = gdb_py_object_from_longest (TYPE_FIELD_BITPOS (type, field)); |
14e75d8e JK |
196 | attrstring = "bitpos"; |
197 | } | |
198 | ||
3bb43384 TT |
199 | if (arg == NULL) |
200 | return NULL; | |
2c74e833 | 201 | |
6c28e44a | 202 | if (PyObject_SetAttrString (result.get (), attrstring, arg.get ()) < 0) |
3bb43384 | 203 | return NULL; |
2c74e833 TT |
204 | } |
205 | ||
3bb43384 | 206 | arg.reset (NULL); |
33d16dd9 | 207 | if (type->field (field).name ()) |
b5b08fb4 | 208 | { |
33d16dd9 | 209 | const char *field_name = type->field (field).name (); |
a8f35c2e | 210 | |
b5b08fb4 SC |
211 | if (field_name[0] != '\0') |
212 | { | |
33d16dd9 | 213 | arg.reset (PyString_FromString (type->field (field).name ())); |
b5b08fb4 | 214 | if (arg == NULL) |
3bb43384 | 215 | return NULL; |
b5b08fb4 SC |
216 | } |
217 | } | |
218 | if (arg == NULL) | |
1b20edf0 TT |
219 | arg = gdbpy_ref<>::new_reference (Py_None); |
220 | ||
3bb43384 TT |
221 | if (PyObject_SetAttrString (result.get (), "name", arg.get ()) < 0) |
222 | return NULL; | |
2c74e833 | 223 | |
1b20edf0 TT |
224 | arg = gdbpy_ref<>::new_reference (TYPE_FIELD_ARTIFICIAL (type, field) |
225 | ? Py_True : Py_False); | |
3bb43384 TT |
226 | if (PyObject_SetAttrString (result.get (), "artificial", arg.get ()) < 0) |
227 | return NULL; | |
2c74e833 | 228 | |
78134374 | 229 | if (type->code () == TYPE_CODE_STRUCT) |
1b20edf0 TT |
230 | arg = gdbpy_ref<>::new_reference (field < TYPE_N_BASECLASSES (type) |
231 | ? Py_True : Py_False); | |
bfd31e71 | 232 | else |
1b20edf0 | 233 | arg = gdbpy_ref<>::new_reference (Py_False); |
3bb43384 TT |
234 | if (PyObject_SetAttrString (result.get (), "is_base_class", arg.get ()) < 0) |
235 | return NULL; | |
236 | ||
062534d4 | 237 | arg = gdb_py_object_from_longest (TYPE_FIELD_BITSIZE (type, field)); |
3bb43384 TT |
238 | if (arg == NULL) |
239 | return NULL; | |
240 | if (PyObject_SetAttrString (result.get (), "bitsize", arg.get ()) < 0) | |
241 | return NULL; | |
2c74e833 TT |
242 | |
243 | /* A field can have a NULL type in some situations. */ | |
940da03e | 244 | if (type->field (field).type () == NULL) |
1b20edf0 | 245 | arg = gdbpy_ref<>::new_reference (Py_None); |
2c74e833 | 246 | else |
940da03e | 247 | arg.reset (type_to_type_object (type->field (field).type ())); |
3bb43384 TT |
248 | if (arg == NULL) |
249 | return NULL; | |
250 | if (PyObject_SetAttrString (result.get (), "type", arg.get ()) < 0) | |
251 | return NULL; | |
2c74e833 | 252 | |
1b20edf0 | 253 | return result; |
2c74e833 TT |
254 | } |
255 | ||
a73bb892 PK |
256 | /* Helper function to return the name of a field, as a gdb.Field object. |
257 | If the field doesn't have a name, None is returned. */ | |
258 | ||
1b20edf0 | 259 | static gdbpy_ref<> |
a73bb892 | 260 | field_name (struct type *type, int field) |
2c74e833 | 261 | { |
1b20edf0 | 262 | gdbpy_ref<> result; |
a73bb892 | 263 | |
33d16dd9 SM |
264 | if (type->field (field).name ()) |
265 | result.reset (PyString_FromString (type->field (field).name ())); | |
a73bb892 | 266 | else |
1b20edf0 TT |
267 | result = gdbpy_ref<>::new_reference (Py_None); |
268 | ||
a73bb892 PK |
269 | return result; |
270 | } | |
271 | ||
272 | /* Helper function for Type standard mapping methods. Returns a | |
273 | Python object for field i of the type. "kind" specifies what to | |
274 | return: the name of the field, a gdb.Field object corresponding to | |
275 | the field, or a tuple consisting of field name and gdb.Field | |
276 | object. */ | |
277 | ||
1b20edf0 | 278 | static gdbpy_ref<> |
a73bb892 PK |
279 | make_fielditem (struct type *type, int i, enum gdbpy_iter_kind kind) |
280 | { | |
a73bb892 PK |
281 | switch (kind) |
282 | { | |
283 | case iter_items: | |
3bb43384 | 284 | { |
7780f186 | 285 | gdbpy_ref<> key (field_name (type, i)); |
3bb43384 TT |
286 | if (key == NULL) |
287 | return NULL; | |
1b20edf0 | 288 | gdbpy_ref<> value = convert_field (type, i); |
3bb43384 TT |
289 | if (value == NULL) |
290 | return NULL; | |
7780f186 | 291 | gdbpy_ref<> item (PyTuple_New (2)); |
3bb43384 TT |
292 | if (item == NULL) |
293 | return NULL; | |
294 | PyTuple_SET_ITEM (item.get (), 0, key.release ()); | |
295 | PyTuple_SET_ITEM (item.get (), 1, value.release ()); | |
1b20edf0 | 296 | return item; |
3bb43384 | 297 | } |
a73bb892 | 298 | case iter_keys: |
3bb43384 | 299 | return field_name (type, i); |
a73bb892 | 300 | case iter_values: |
3bb43384 | 301 | return convert_field (type, i); |
a73bb892 | 302 | } |
3bb43384 | 303 | gdb_assert_not_reached ("invalid gdbpy_iter_kind"); |
a73bb892 PK |
304 | } |
305 | ||
306 | /* Return a sequence of all field names, fields, or (name, field) pairs. | |
307 | Each field is a gdb.Field object. */ | |
308 | ||
309 | static PyObject * | |
310 | typy_fields_items (PyObject *self, enum gdbpy_iter_kind kind) | |
311 | { | |
f6b47be4 | 312 | PyObject *py_type = self; |
f6b47be4 DE |
313 | struct type *type = ((type_object *) py_type)->type; |
314 | struct type *checked_type = type; | |
315 | ||
a70b8144 | 316 | try |
f6b47be4 | 317 | { |
f168693b | 318 | checked_type = check_typedef (checked_type); |
f6b47be4 | 319 | } |
230d2906 | 320 | catch (const gdb_exception &except) |
492d29ea PA |
321 | { |
322 | GDB_PY_HANDLE_EXCEPTION (except); | |
323 | } | |
f6b47be4 | 324 | |
2a3c71d6 | 325 | gdbpy_ref<> type_holder; |
f6b47be4 | 326 | if (checked_type != type) |
f6b47be4 | 327 | { |
2a3c71d6 TT |
328 | type_holder.reset (type_to_type_object (checked_type)); |
329 | if (type_holder == nullptr) | |
330 | return nullptr; | |
331 | py_type = type_holder.get (); | |
f6b47be4 | 332 | } |
2a3c71d6 TT |
333 | gdbpy_ref<> iter (typy_make_iter (py_type, kind)); |
334 | if (iter == nullptr) | |
335 | return nullptr; | |
f6b47be4 | 336 | |
2a3c71d6 | 337 | return PySequence_List (iter.get ()); |
a73bb892 PK |
338 | } |
339 | ||
340 | /* Return a sequence of all fields. Each field is a gdb.Field object. */ | |
341 | ||
342 | static PyObject * | |
9cc10fd1 | 343 | typy_values (PyObject *self, PyObject *args) |
a73bb892 PK |
344 | { |
345 | return typy_fields_items (self, iter_values); | |
346 | } | |
347 | ||
9cc10fd1 | 348 | /* Return a sequence of all fields. Each field is a gdb.Field object. |
256458bc | 349 | This method is similar to typy_values, except where the supplied |
9cc10fd1 PK |
350 | gdb.Type is an array, in which case it returns a list of one entry |
351 | which is a gdb.Field object for a range (the array bounds). */ | |
352 | ||
353 | static PyObject * | |
354 | typy_fields (PyObject *self, PyObject *args) | |
355 | { | |
356 | struct type *type = ((type_object *) self)->type; | |
256458bc | 357 | |
78134374 | 358 | if (type->code () != TYPE_CODE_ARRAY) |
9cc10fd1 PK |
359 | return typy_fields_items (self, iter_values); |
360 | ||
361 | /* Array type. Handle this as a special case because the common | |
362 | machinery wants struct or union or enum types. Build a list of | |
363 | one entry which is the range for the array. */ | |
1b20edf0 | 364 | gdbpy_ref<> r = convert_field (type, 0); |
9cc10fd1 PK |
365 | if (r == NULL) |
366 | return NULL; | |
256458bc | 367 | |
3bb43384 | 368 | return Py_BuildValue ("[O]", r.get ()); |
9cc10fd1 PK |
369 | } |
370 | ||
a73bb892 PK |
371 | /* Return a sequence of all field names. Each field is a gdb.Field object. */ |
372 | ||
373 | static PyObject * | |
374 | typy_field_names (PyObject *self, PyObject *args) | |
375 | { | |
376 | return typy_fields_items (self, iter_keys); | |
377 | } | |
378 | ||
256458bc | 379 | /* Return a sequence of all (name, fields) pairs. Each field is a |
a73bb892 PK |
380 | gdb.Field object. */ |
381 | ||
382 | static PyObject * | |
383 | typy_items (PyObject *self, PyObject *args) | |
384 | { | |
385 | return typy_fields_items (self, iter_items); | |
2c74e833 TT |
386 | } |
387 | ||
c0d48811 JB |
388 | /* Return the type's name, or None. */ |
389 | ||
390 | static PyObject * | |
391 | typy_get_name (PyObject *self, void *closure) | |
392 | { | |
393 | struct type *type = ((type_object *) self)->type; | |
394 | ||
7d93a1e0 | 395 | if (type->name () == NULL) |
c0d48811 | 396 | Py_RETURN_NONE; |
67470e9d TT |
397 | /* Ada type names are encoded, but it is better for users to see the |
398 | decoded form. */ | |
399 | if (ADA_TYPE_P (type)) | |
400 | { | |
401 | std::string name = ada_decode (type->name (), false); | |
402 | if (!name.empty ()) | |
403 | return PyString_FromString (name.c_str ()); | |
404 | } | |
7d93a1e0 | 405 | return PyString_FromString (type->name ()); |
c0d48811 JB |
406 | } |
407 | ||
2c74e833 TT |
408 | /* Return the type's tag, or None. */ |
409 | static PyObject * | |
410 | typy_get_tag (PyObject *self, void *closure) | |
411 | { | |
412 | struct type *type = ((type_object *) self)->type; | |
e86ca25f | 413 | const char *tagname = nullptr; |
d59b6f6c | 414 | |
78134374 SM |
415 | if (type->code () == TYPE_CODE_STRUCT |
416 | || type->code () == TYPE_CODE_UNION | |
417 | || type->code () == TYPE_CODE_ENUM) | |
7d93a1e0 | 418 | tagname = type->name (); |
e86ca25f TT |
419 | |
420 | if (tagname == nullptr) | |
2c74e833 | 421 | Py_RETURN_NONE; |
e86ca25f | 422 | return PyString_FromString (tagname); |
2c74e833 TT |
423 | } |
424 | ||
e1f2e1a2 CB |
425 | /* Return the type's objfile, or None. */ |
426 | static PyObject * | |
427 | typy_get_objfile (PyObject *self, void *closure) | |
428 | { | |
429 | struct type *type = ((type_object *) self)->type; | |
6ac37371 | 430 | struct objfile *objfile = type->objfile_owner (); |
e1f2e1a2 CB |
431 | |
432 | if (objfile == nullptr) | |
433 | Py_RETURN_NONE; | |
434 | return objfile_to_objfile_object (objfile).release (); | |
435 | } | |
436 | ||
2c74e833 TT |
437 | /* Return the type, stripped of typedefs. */ |
438 | static PyObject * | |
439 | typy_strip_typedefs (PyObject *self, PyObject *args) | |
440 | { | |
441 | struct type *type = ((type_object *) self)->type; | |
5d9c5995 | 442 | |
a70b8144 | 443 | try |
5d9c5995 PM |
444 | { |
445 | type = check_typedef (type); | |
446 | } | |
230d2906 | 447 | catch (const gdb_exception &except) |
492d29ea PA |
448 | { |
449 | GDB_PY_HANDLE_EXCEPTION (except); | |
450 | } | |
2c74e833 | 451 | |
bc9abe4a | 452 | return type_to_type_object (type); |
2c74e833 TT |
453 | } |
454 | ||
9cc10fd1 PK |
455 | /* Strip typedefs and pointers/reference from a type. Then check that |
456 | it is a struct, union, or enum type. If not, raise TypeError. */ | |
457 | ||
458 | static struct type * | |
459 | typy_get_composite (struct type *type) | |
460 | { | |
9cc10fd1 PK |
461 | |
462 | for (;;) | |
463 | { | |
a70b8144 | 464 | try |
9cc10fd1 | 465 | { |
f168693b | 466 | type = check_typedef (type); |
9cc10fd1 | 467 | } |
230d2906 | 468 | catch (const gdb_exception &except) |
492d29ea PA |
469 | { |
470 | GDB_PY_HANDLE_EXCEPTION (except); | |
471 | } | |
9cc10fd1 | 472 | |
809f3be1 | 473 | if (!type->is_pointer_or_reference ()) |
9cc10fd1 PK |
474 | break; |
475 | type = TYPE_TARGET_TYPE (type); | |
476 | } | |
477 | ||
478 | /* If this is not a struct, union, or enum type, raise TypeError | |
479 | exception. */ | |
78134374 SM |
480 | if (type->code () != TYPE_CODE_STRUCT |
481 | && type->code () != TYPE_CODE_UNION | |
482 | && type->code () != TYPE_CODE_ENUM | |
b3f9469b | 483 | && type->code () != TYPE_CODE_METHOD |
78134374 | 484 | && type->code () != TYPE_CODE_FUNC) |
9cc10fd1 PK |
485 | { |
486 | PyErr_SetString (PyExc_TypeError, | |
bed91f4d | 487 | "Type is not a structure, union, enum, or function type."); |
9cc10fd1 PK |
488 | return NULL; |
489 | } | |
256458bc | 490 | |
9cc10fd1 PK |
491 | return type; |
492 | } | |
493 | ||
a72c3253 | 494 | /* Helper for typy_array and typy_vector. */ |
702c2711 TT |
495 | |
496 | static PyObject * | |
a72c3253 | 497 | typy_array_1 (PyObject *self, PyObject *args, int is_vector) |
702c2711 | 498 | { |
74aedc46 | 499 | long n1, n2; |
702c2711 TT |
500 | PyObject *n2_obj = NULL; |
501 | struct type *array = NULL; | |
502 | struct type *type = ((type_object *) self)->type; | |
702c2711 | 503 | |
74aedc46 | 504 | if (! PyArg_ParseTuple (args, "l|O", &n1, &n2_obj)) |
702c2711 TT |
505 | return NULL; |
506 | ||
507 | if (n2_obj) | |
508 | { | |
509 | if (!PyInt_Check (n2_obj)) | |
510 | { | |
511 | PyErr_SetString (PyExc_RuntimeError, | |
512 | _("Array bound must be an integer")); | |
513 | return NULL; | |
514 | } | |
74aedc46 TT |
515 | |
516 | if (! gdb_py_int_as_long (n2_obj, &n2)) | |
702c2711 TT |
517 | return NULL; |
518 | } | |
519 | else | |
520 | { | |
521 | n2 = n1; | |
522 | n1 = 0; | |
523 | } | |
524 | ||
e810d75b | 525 | if (n2 < n1 - 1) /* Note: An empty array has n2 == n1 - 1. */ |
702c2711 TT |
526 | { |
527 | PyErr_SetString (PyExc_ValueError, | |
528 | _("Array length must not be negative")); | |
529 | return NULL; | |
530 | } | |
531 | ||
a70b8144 | 532 | try |
702c2711 TT |
533 | { |
534 | array = lookup_array_range_type (type, n1, n2); | |
a72c3253 DE |
535 | if (is_vector) |
536 | make_vector_type (array); | |
702c2711 | 537 | } |
230d2906 | 538 | catch (const gdb_exception &except) |
492d29ea PA |
539 | { |
540 | GDB_PY_HANDLE_EXCEPTION (except); | |
541 | } | |
702c2711 TT |
542 | |
543 | return type_to_type_object (array); | |
544 | } | |
545 | ||
a72c3253 DE |
546 | /* Return an array type. */ |
547 | ||
548 | static PyObject * | |
549 | typy_array (PyObject *self, PyObject *args) | |
550 | { | |
551 | return typy_array_1 (self, args, 0); | |
552 | } | |
553 | ||
554 | /* Return a vector type. */ | |
555 | ||
556 | static PyObject * | |
557 | typy_vector (PyObject *self, PyObject *args) | |
558 | { | |
559 | return typy_array_1 (self, args, 1); | |
560 | } | |
561 | ||
2c74e833 TT |
562 | /* Return a Type object which represents a pointer to SELF. */ |
563 | static PyObject * | |
564 | typy_pointer (PyObject *self, PyObject *args) | |
565 | { | |
566 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 567 | |
a70b8144 | 568 | try |
2c74e833 TT |
569 | { |
570 | type = lookup_pointer_type (type); | |
571 | } | |
230d2906 | 572 | catch (const gdb_exception &except) |
492d29ea PA |
573 | { |
574 | GDB_PY_HANDLE_EXCEPTION (except); | |
575 | } | |
2c74e833 TT |
576 | |
577 | return type_to_type_object (type); | |
578 | } | |
579 | ||
361ae042 PM |
580 | /* Return the range of a type represented by SELF. The return type is |
581 | a tuple. The first element of the tuple contains the low bound, | |
582 | while the second element of the tuple contains the high bound. */ | |
583 | static PyObject * | |
584 | typy_range (PyObject *self, PyObject *args) | |
585 | { | |
586 | struct type *type = ((type_object *) self)->type; | |
8d099ae9 PM |
587 | /* Initialize these to appease GCC warnings. */ |
588 | LONGEST low = 0, high = 0; | |
361ae042 | 589 | |
78134374 SM |
590 | if (type->code () != TYPE_CODE_ARRAY |
591 | && type->code () != TYPE_CODE_STRING | |
592 | && type->code () != TYPE_CODE_RANGE) | |
361ae042 PM |
593 | { |
594 | PyErr_SetString (PyExc_RuntimeError, | |
044c0f87 | 595 | _("This type does not have a range.")); |
361ae042 PM |
596 | return NULL; |
597 | } | |
598 | ||
78134374 | 599 | switch (type->code ()) |
361ae042 PM |
600 | { |
601 | case TYPE_CODE_ARRAY: | |
602 | case TYPE_CODE_STRING: | |
361ae042 | 603 | case TYPE_CODE_RANGE: |
e25d6d93 SM |
604 | if (type->bounds ()->low.kind () == PROP_CONST) |
605 | low = type->bounds ()->low.const_val (); | |
606 | else | |
607 | low = 0; | |
608 | ||
609 | if (type->bounds ()->high.kind () == PROP_CONST) | |
610 | high = type->bounds ()->high.const_val (); | |
611 | else | |
612 | high = 0; | |
361ae042 PM |
613 | break; |
614 | } | |
615 | ||
062534d4 | 616 | gdbpy_ref<> low_bound = gdb_py_object_from_longest (low); |
3bb43384 TT |
617 | if (low_bound == NULL) |
618 | return NULL; | |
361ae042 | 619 | |
062534d4 | 620 | gdbpy_ref<> high_bound = gdb_py_object_from_longest (high); |
3bb43384 TT |
621 | if (high_bound == NULL) |
622 | return NULL; | |
361ae042 | 623 | |
7780f186 | 624 | gdbpy_ref<> result (PyTuple_New (2)); |
3bb43384 TT |
625 | if (result == NULL) |
626 | return NULL; | |
256458bc | 627 | |
3bb43384 TT |
628 | if (PyTuple_SetItem (result.get (), 0, low_bound.release ()) != 0 |
629 | || PyTuple_SetItem (result.get (), 1, high_bound.release ()) != 0) | |
630 | return NULL; | |
631 | return result.release (); | |
361ae042 PM |
632 | } |
633 | ||
2c74e833 TT |
634 | /* Return a Type object which represents a reference to SELF. */ |
635 | static PyObject * | |
636 | typy_reference (PyObject *self, PyObject *args) | |
637 | { | |
638 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 639 | |
a70b8144 | 640 | try |
2c74e833 | 641 | { |
3b224330 | 642 | type = lookup_lvalue_reference_type (type); |
2c74e833 | 643 | } |
230d2906 | 644 | catch (const gdb_exception &except) |
492d29ea PA |
645 | { |
646 | GDB_PY_HANDLE_EXCEPTION (except); | |
647 | } | |
2c74e833 TT |
648 | |
649 | return type_to_type_object (type); | |
650 | } | |
651 | ||
652 | /* Return a Type object which represents the target type of SELF. */ | |
653 | static PyObject * | |
654 | typy_target (PyObject *self, PyObject *args) | |
655 | { | |
656 | struct type *type = ((type_object *) self)->type; | |
657 | ||
658 | if (!TYPE_TARGET_TYPE (type)) | |
659 | { | |
256458bc | 660 | PyErr_SetString (PyExc_RuntimeError, |
044c0f87 | 661 | _("Type does not have a target.")); |
2c74e833 TT |
662 | return NULL; |
663 | } | |
664 | ||
665 | return type_to_type_object (TYPE_TARGET_TYPE (type)); | |
666 | } | |
667 | ||
668 | /* Return a const-qualified type variant. */ | |
669 | static PyObject * | |
670 | typy_const (PyObject *self, PyObject *args) | |
671 | { | |
672 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 673 | |
a70b8144 | 674 | try |
2c74e833 TT |
675 | { |
676 | type = make_cv_type (1, 0, type, NULL); | |
677 | } | |
230d2906 | 678 | catch (const gdb_exception &except) |
492d29ea PA |
679 | { |
680 | GDB_PY_HANDLE_EXCEPTION (except); | |
681 | } | |
2c74e833 TT |
682 | |
683 | return type_to_type_object (type); | |
684 | } | |
685 | ||
686 | /* Return a volatile-qualified type variant. */ | |
687 | static PyObject * | |
688 | typy_volatile (PyObject *self, PyObject *args) | |
689 | { | |
690 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 691 | |
a70b8144 | 692 | try |
2c74e833 TT |
693 | { |
694 | type = make_cv_type (0, 1, type, NULL); | |
695 | } | |
230d2906 | 696 | catch (const gdb_exception &except) |
492d29ea PA |
697 | { |
698 | GDB_PY_HANDLE_EXCEPTION (except); | |
699 | } | |
2c74e833 TT |
700 | |
701 | return type_to_type_object (type); | |
702 | } | |
703 | ||
704 | /* Return an unqualified type variant. */ | |
705 | static PyObject * | |
706 | typy_unqualified (PyObject *self, PyObject *args) | |
707 | { | |
708 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 709 | |
a70b8144 | 710 | try |
2c74e833 TT |
711 | { |
712 | type = make_cv_type (0, 0, type, NULL); | |
713 | } | |
230d2906 | 714 | catch (const gdb_exception &except) |
492d29ea PA |
715 | { |
716 | GDB_PY_HANDLE_EXCEPTION (except); | |
717 | } | |
2c74e833 TT |
718 | |
719 | return type_to_type_object (type); | |
720 | } | |
721 | ||
722 | /* Return the size of the type represented by SELF, in bytes. */ | |
723 | static PyObject * | |
724 | typy_get_sizeof (PyObject *self, void *closure) | |
725 | { | |
726 | struct type *type = ((type_object *) self)->type; | |
2c74e833 | 727 | |
1acda803 | 728 | bool size_varies = false; |
a70b8144 | 729 | try |
2c74e833 TT |
730 | { |
731 | check_typedef (type); | |
1acda803 TT |
732 | |
733 | size_varies = TYPE_HAS_DYNAMIC_LENGTH (type); | |
2c74e833 | 734 | } |
230d2906 | 735 | catch (const gdb_exception &except) |
492d29ea PA |
736 | { |
737 | } | |
492d29ea | 738 | |
2c74e833 TT |
739 | /* Ignore exceptions. */ |
740 | ||
1acda803 TT |
741 | if (size_varies) |
742 | Py_RETURN_NONE; | |
4bde49dc | 743 | return gdb_py_object_from_longest (TYPE_LENGTH (type)).release (); |
2c74e833 TT |
744 | } |
745 | ||
6d7bb824 TT |
746 | /* Return the alignment of the type represented by SELF, in bytes. */ |
747 | static PyObject * | |
748 | typy_get_alignof (PyObject *self, void *closure) | |
749 | { | |
750 | struct type *type = ((type_object *) self)->type; | |
751 | ||
752 | ULONGEST align = 0; | |
a70b8144 | 753 | try |
6d7bb824 TT |
754 | { |
755 | align = type_align (type); | |
756 | } | |
230d2906 | 757 | catch (const gdb_exception &except) |
6d7bb824 TT |
758 | { |
759 | align = 0; | |
760 | } | |
6d7bb824 TT |
761 | |
762 | /* Ignore exceptions. */ | |
763 | ||
12dfa12a | 764 | return gdb_py_object_from_ulongest (align).release (); |
6d7bb824 TT |
765 | } |
766 | ||
1acda803 TT |
767 | /* Return whether or not the type is dynamic. */ |
768 | static PyObject * | |
769 | typy_get_dynamic (PyObject *self, void *closure) | |
770 | { | |
771 | struct type *type = ((type_object *) self)->type; | |
772 | ||
773 | bool result = false; | |
774 | try | |
775 | { | |
776 | result = is_dynamic_type (type); | |
777 | } | |
778 | catch (const gdb_exception &except) | |
779 | { | |
780 | /* Ignore exceptions. */ | |
781 | } | |
782 | ||
783 | if (result) | |
784 | Py_RETURN_TRUE; | |
785 | Py_RETURN_FALSE; | |
786 | } | |
787 | ||
2c74e833 | 788 | static struct type * |
9df2fbc4 | 789 | typy_lookup_typename (const char *type_name, const struct block *block) |
2c74e833 TT |
790 | { |
791 | struct type *type = NULL; | |
d59b6f6c | 792 | |
a70b8144 | 793 | try |
2c74e833 | 794 | { |
61012eef | 795 | if (startswith (type_name, "struct ")) |
2c74e833 | 796 | type = lookup_struct (type_name + 7, NULL); |
61012eef | 797 | else if (startswith (type_name, "union ")) |
2c74e833 | 798 | type = lookup_union (type_name + 6, NULL); |
61012eef | 799 | else if (startswith (type_name, "enum ")) |
2c74e833 TT |
800 | type = lookup_enum (type_name + 5, NULL); |
801 | else | |
b858499d | 802 | type = lookup_typename (python_language, |
5107b149 | 803 | type_name, block, 0); |
2c74e833 | 804 | } |
230d2906 | 805 | catch (const gdb_exception &except) |
492d29ea PA |
806 | { |
807 | GDB_PY_HANDLE_EXCEPTION (except); | |
808 | } | |
2c74e833 TT |
809 | |
810 | return type; | |
811 | } | |
812 | ||
813 | static struct type * | |
5107b149 | 814 | typy_lookup_type (struct demangle_component *demangled, |
9df2fbc4 | 815 | const struct block *block) |
2c74e833 | 816 | { |
cd829959 | 817 | struct type *type, *rtype = NULL; |
2c74e833 TT |
818 | enum demangle_component_type demangled_type; |
819 | ||
820 | /* Save the type: typy_lookup_type() may (indirectly) overwrite | |
821 | memory pointed by demangled. */ | |
822 | demangled_type = demangled->type; | |
823 | ||
824 | if (demangled_type == DEMANGLE_COMPONENT_POINTER | |
825 | || demangled_type == DEMANGLE_COMPONENT_REFERENCE | |
e4347c89 | 826 | || demangled_type == DEMANGLE_COMPONENT_RVALUE_REFERENCE |
2c74e833 TT |
827 | || demangled_type == DEMANGLE_COMPONENT_CONST |
828 | || demangled_type == DEMANGLE_COMPONENT_VOLATILE) | |
829 | { | |
5107b149 | 830 | type = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
831 | if (! type) |
832 | return NULL; | |
833 | ||
a70b8144 | 834 | try |
76dce0be | 835 | { |
cd829959 PM |
836 | /* If the demangled_type matches with one of the types |
837 | below, run the corresponding function and save the type | |
838 | to return later. We cannot just return here as we are in | |
839 | an exception handler. */ | |
76dce0be PM |
840 | switch (demangled_type) |
841 | { | |
842 | case DEMANGLE_COMPONENT_REFERENCE: | |
3b224330 | 843 | rtype = lookup_lvalue_reference_type (type); |
cd829959 | 844 | break; |
e4347c89 AV |
845 | case DEMANGLE_COMPONENT_RVALUE_REFERENCE: |
846 | rtype = lookup_rvalue_reference_type (type); | |
847 | break; | |
76dce0be | 848 | case DEMANGLE_COMPONENT_POINTER: |
cd829959 PM |
849 | rtype = lookup_pointer_type (type); |
850 | break; | |
76dce0be | 851 | case DEMANGLE_COMPONENT_CONST: |
cd829959 PM |
852 | rtype = make_cv_type (1, 0, type, NULL); |
853 | break; | |
76dce0be | 854 | case DEMANGLE_COMPONENT_VOLATILE: |
cd829959 PM |
855 | rtype = make_cv_type (0, 1, type, NULL); |
856 | break; | |
76dce0be | 857 | } |
76dce0be | 858 | } |
230d2906 | 859 | catch (const gdb_exception &except) |
492d29ea PA |
860 | { |
861 | GDB_PY_HANDLE_EXCEPTION (except); | |
862 | } | |
2c74e833 | 863 | } |
256458bc | 864 | |
cd829959 PM |
865 | /* If we have a type from the switch statement above, just return |
866 | that. */ | |
867 | if (rtype) | |
868 | return rtype; | |
256458bc | 869 | |
cd829959 | 870 | /* We don't have a type, so lookup the type. */ |
29592bde PA |
871 | gdb::unique_xmalloc_ptr<char> type_name = cp_comp_to_string (demangled, 10); |
872 | return typy_lookup_typename (type_name.get (), block); | |
2c74e833 TT |
873 | } |
874 | ||
326fd672 TT |
875 | /* This is a helper function for typy_template_argument that is used |
876 | when the type does not have template symbols attached. It works by | |
877 | parsing the type name. This happens with compilers, like older | |
878 | versions of GCC, that do not emit DW_TAG_template_*. */ | |
879 | ||
2c74e833 | 880 | static PyObject * |
9df2fbc4 | 881 | typy_legacy_template_argument (struct type *type, const struct block *block, |
326fd672 | 882 | int argno) |
2c74e833 | 883 | { |
326fd672 | 884 | int i; |
2c74e833 | 885 | struct demangle_component *demangled; |
c8b23b3f | 886 | std::unique_ptr<demangle_parse_info> info; |
3513a6bb | 887 | std::string err; |
2c74e833 | 888 | struct type *argtype; |
2c74e833 | 889 | |
7d93a1e0 | 890 | if (type->name () == NULL) |
2c74e833 | 891 | { |
5107b149 | 892 | PyErr_SetString (PyExc_RuntimeError, _("Null type name.")); |
2c74e833 TT |
893 | return NULL; |
894 | } | |
895 | ||
a70b8144 | 896 | try |
5d9c5995 PM |
897 | { |
898 | /* Note -- this is not thread-safe. */ | |
7d93a1e0 | 899 | info = cp_demangled_name_to_comp (type->name (), &err); |
5d9c5995 | 900 | } |
230d2906 | 901 | catch (const gdb_exception &except) |
492d29ea PA |
902 | { |
903 | GDB_PY_HANDLE_EXCEPTION (except); | |
904 | } | |
5d9c5995 | 905 | |
3a93a0c2 | 906 | if (! info) |
2c74e833 | 907 | { |
3513a6bb | 908 | PyErr_SetString (PyExc_RuntimeError, err.c_str ()); |
2c74e833 TT |
909 | return NULL; |
910 | } | |
3a93a0c2 | 911 | demangled = info->tree; |
2c74e833 TT |
912 | |
913 | /* Strip off component names. */ | |
914 | while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME | |
915 | || demangled->type == DEMANGLE_COMPONENT_LOCAL_NAME) | |
916 | demangled = demangled->u.s_binary.right; | |
917 | ||
918 | if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE) | |
919 | { | |
5107b149 | 920 | PyErr_SetString (PyExc_RuntimeError, _("Type is not a template.")); |
2c74e833 TT |
921 | return NULL; |
922 | } | |
923 | ||
924 | /* Skip from the template to the arguments. */ | |
925 | demangled = demangled->u.s_binary.right; | |
926 | ||
927 | for (i = 0; demangled && i < argno; ++i) | |
928 | demangled = demangled->u.s_binary.right; | |
929 | ||
930 | if (! demangled) | |
931 | { | |
5107b149 | 932 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), |
2c74e833 TT |
933 | argno); |
934 | return NULL; | |
935 | } | |
936 | ||
5107b149 | 937 | argtype = typy_lookup_type (demangled->u.s_binary.left, block); |
2c74e833 TT |
938 | if (! argtype) |
939 | return NULL; | |
940 | ||
941 | return type_to_type_object (argtype); | |
326fd672 TT |
942 | } |
943 | ||
944 | static PyObject * | |
945 | typy_template_argument (PyObject *self, PyObject *args) | |
946 | { | |
947 | int argno; | |
948 | struct type *type = ((type_object *) self)->type; | |
9df2fbc4 | 949 | const struct block *block = NULL; |
326fd672 TT |
950 | PyObject *block_obj = NULL; |
951 | struct symbol *sym; | |
952 | struct value *val = NULL; | |
326fd672 TT |
953 | |
954 | if (! PyArg_ParseTuple (args, "i|O", &argno, &block_obj)) | |
955 | return NULL; | |
956 | ||
fd3ba736 TT |
957 | if (argno < 0) |
958 | { | |
959 | PyErr_SetString (PyExc_RuntimeError, | |
960 | _("Template argument number must be non-negative")); | |
961 | return NULL; | |
962 | } | |
963 | ||
326fd672 TT |
964 | if (block_obj) |
965 | { | |
966 | block = block_object_to_block (block_obj); | |
967 | if (! block) | |
968 | { | |
969 | PyErr_SetString (PyExc_RuntimeError, | |
970 | _("Second argument must be block.")); | |
971 | return NULL; | |
972 | } | |
973 | } | |
974 | ||
a70b8144 | 975 | try |
05d0e1e7 TT |
976 | { |
977 | type = check_typedef (type); | |
aa006118 | 978 | if (TYPE_IS_REFERENCE (type)) |
05d0e1e7 TT |
979 | type = check_typedef (TYPE_TARGET_TYPE (type)); |
980 | } | |
230d2906 | 981 | catch (const gdb_exception &except) |
492d29ea PA |
982 | { |
983 | GDB_PY_HANDLE_EXCEPTION (except); | |
984 | } | |
326fd672 TT |
985 | |
986 | /* We might not have DW_TAG_template_*, so try to parse the type's | |
987 | name. This is inefficient if we do not have a template type -- | |
988 | but that is going to wind up as an error anyhow. */ | |
989 | if (! TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
990 | return typy_legacy_template_argument (type, block, argno); | |
991 | ||
992 | if (argno >= TYPE_N_TEMPLATE_ARGUMENTS (type)) | |
993 | { | |
994 | PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."), | |
995 | argno); | |
996 | return NULL; | |
997 | } | |
998 | ||
999 | sym = TYPE_TEMPLATE_ARGUMENT (type, argno); | |
1000 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
1001 | return type_to_type_object (SYMBOL_TYPE (sym)); | |
1002 | else if (SYMBOL_CLASS (sym) == LOC_OPTIMIZED_OUT) | |
1003 | { | |
1004 | PyErr_Format (PyExc_RuntimeError, | |
1005 | _("Template argument is optimized out")); | |
1006 | return NULL; | |
1007 | } | |
1008 | ||
a70b8144 | 1009 | try |
326fd672 TT |
1010 | { |
1011 | val = value_of_variable (sym, block); | |
1012 | } | |
230d2906 | 1013 | catch (const gdb_exception &except) |
492d29ea PA |
1014 | { |
1015 | GDB_PY_HANDLE_EXCEPTION (except); | |
1016 | } | |
326fd672 TT |
1017 | |
1018 | return value_to_value_object (val); | |
2c74e833 TT |
1019 | } |
1020 | ||
1021 | static PyObject * | |
1022 | typy_str (PyObject *self) | |
1023 | { | |
d7e74731 | 1024 | string_file thetype; |
2c74e833 | 1025 | |
a70b8144 | 1026 | try |
2c74e833 | 1027 | { |
d7e74731 | 1028 | LA_PRINT_TYPE (type_object_to_type (self), "", &thetype, -1, 0, |
53342f27 | 1029 | &type_print_raw_options); |
2c74e833 | 1030 | } |
230d2906 | 1031 | catch (const gdb_exception &except) |
2c74e833 | 1032 | { |
2c74e833 TT |
1033 | GDB_PY_HANDLE_EXCEPTION (except); |
1034 | } | |
1035 | ||
d7e74731 PA |
1036 | return PyUnicode_Decode (thetype.c_str (), thetype.size (), |
1037 | host_charset (), NULL); | |
2c74e833 TT |
1038 | } |
1039 | ||
d839c8a4 TT |
1040 | /* Implement the richcompare method. */ |
1041 | ||
1042 | static PyObject * | |
1043 | typy_richcompare (PyObject *self, PyObject *other, int op) | |
1044 | { | |
894882e3 | 1045 | bool result = false; |
d839c8a4 TT |
1046 | struct type *type1 = type_object_to_type (self); |
1047 | struct type *type2 = type_object_to_type (other); | |
d839c8a4 TT |
1048 | |
1049 | /* We can only compare ourselves to another Type object, and only | |
1050 | for equality or inequality. */ | |
1051 | if (type2 == NULL || (op != Py_EQ && op != Py_NE)) | |
1052 | { | |
1053 | Py_INCREF (Py_NotImplemented); | |
1054 | return Py_NotImplemented; | |
1055 | } | |
1056 | ||
1057 | if (type1 == type2) | |
894882e3 | 1058 | result = true; |
d839c8a4 TT |
1059 | else |
1060 | { | |
a70b8144 | 1061 | try |
d839c8a4 | 1062 | { |
ca092b61 | 1063 | result = types_deeply_equal (type1, type2); |
d839c8a4 | 1064 | } |
230d2906 | 1065 | catch (const gdb_exception &except) |
492d29ea PA |
1066 | { |
1067 | /* If there is a GDB exception, a comparison is not capable | |
1068 | (or trusted), so exit. */ | |
1069 | GDB_PY_HANDLE_EXCEPTION (except); | |
1070 | } | |
d839c8a4 TT |
1071 | } |
1072 | ||
ca092b61 | 1073 | if (op == (result ? Py_EQ : Py_NE)) |
d839c8a4 TT |
1074 | Py_RETURN_TRUE; |
1075 | Py_RETURN_FALSE; | |
1076 | } | |
1077 | ||
2c74e833 TT |
1078 | \f |
1079 | ||
1080 | static const struct objfile_data *typy_objfile_data_key; | |
1081 | ||
1082 | static void | |
c1bd65d0 | 1083 | save_objfile_types (struct objfile *objfile, void *datum) |
2c74e833 | 1084 | { |
19ba03f4 | 1085 | type_object *obj = (type_object *) datum; |
2c74e833 | 1086 | |
0646da15 TT |
1087 | if (!gdb_python_initialized) |
1088 | return; | |
1089 | ||
2c74e833 TT |
1090 | /* This prevents another thread from freeing the objects we're |
1091 | operating on. */ | |
08feed99 | 1092 | gdbpy_enter enter_py (objfile->arch (), current_language); |
2c74e833 | 1093 | |
6108fd18 | 1094 | htab_up copied_types = create_copied_types_hash (objfile); |
2c74e833 TT |
1095 | |
1096 | while (obj) | |
1097 | { | |
1098 | type_object *next = obj->next; | |
1099 | ||
6108fd18 | 1100 | htab_empty (copied_types.get ()); |
2c74e833 | 1101 | |
6108fd18 TT |
1102 | obj->type = copy_type_recursive (objfile, obj->type, |
1103 | copied_types.get ()); | |
2c74e833 TT |
1104 | |
1105 | obj->next = NULL; | |
1106 | obj->prev = NULL; | |
1107 | ||
1108 | obj = next; | |
1109 | } | |
2c74e833 TT |
1110 | } |
1111 | ||
1112 | static void | |
1113 | set_type (type_object *obj, struct type *type) | |
1114 | { | |
1115 | obj->type = type; | |
1116 | obj->prev = NULL; | |
6ac37371 | 1117 | if (type != nullptr && type->objfile_owner () != nullptr) |
2c74e833 | 1118 | { |
6ac37371 | 1119 | struct objfile *objfile = type->objfile_owner (); |
2c74e833 | 1120 | |
f99b5177 | 1121 | obj->next = ((type_object *) |
19ba03f4 | 1122 | objfile_data (objfile, typy_objfile_data_key)); |
2c74e833 TT |
1123 | if (obj->next) |
1124 | obj->next->prev = obj; | |
1125 | set_objfile_data (objfile, typy_objfile_data_key, obj); | |
1126 | } | |
1127 | else | |
1128 | obj->next = NULL; | |
1129 | } | |
1130 | ||
1131 | static void | |
1132 | typy_dealloc (PyObject *obj) | |
1133 | { | |
1134 | type_object *type = (type_object *) obj; | |
1135 | ||
1136 | if (type->prev) | |
1137 | type->prev->next = type->next; | |
6ac37371 | 1138 | else if (type->type != nullptr && type->type->objfile_owner () != nullptr) |
2c74e833 TT |
1139 | { |
1140 | /* Must reset head of list. */ | |
6ac37371 | 1141 | struct objfile *objfile = type->type->objfile_owner (); |
d59b6f6c | 1142 | |
2c74e833 TT |
1143 | if (objfile) |
1144 | set_objfile_data (objfile, typy_objfile_data_key, type->next); | |
1145 | } | |
1146 | if (type->next) | |
1147 | type->next->prev = type->prev; | |
1148 | ||
9a27f2c6 | 1149 | Py_TYPE (type)->tp_free (type); |
2c74e833 TT |
1150 | } |
1151 | ||
a73bb892 PK |
1152 | /* Return number of fields ("length" of the field dictionary). */ |
1153 | ||
1154 | static Py_ssize_t | |
1155 | typy_length (PyObject *self) | |
1156 | { | |
1157 | struct type *type = ((type_object *) self)->type; | |
1158 | ||
9cc10fd1 PK |
1159 | type = typy_get_composite (type); |
1160 | if (type == NULL) | |
1161 | return -1; | |
1162 | ||
1f704f76 | 1163 | return type->num_fields (); |
a73bb892 PK |
1164 | } |
1165 | ||
9cc10fd1 | 1166 | /* Implements boolean evaluation of gdb.Type. Handle this like other |
256458bc | 1167 | Python objects that don't have a meaningful truth value -- all |
9cc10fd1 PK |
1168 | values are true. */ |
1169 | ||
1170 | static int | |
1171 | typy_nonzero (PyObject *self) | |
1172 | { | |
1173 | return 1; | |
1174 | } | |
1175 | ||
59fb7612 SS |
1176 | /* Return optimized out value of this type. */ |
1177 | ||
1178 | static PyObject * | |
1179 | typy_optimized_out (PyObject *self, PyObject *args) | |
1180 | { | |
1181 | struct type *type = ((type_object *) self)->type; | |
1182 | ||
1183 | return value_to_value_object (allocate_optimized_out_value (type)); | |
1184 | } | |
1185 | ||
a73bb892 PK |
1186 | /* Return a gdb.Field object for the field named by the argument. */ |
1187 | ||
1188 | static PyObject * | |
1189 | typy_getitem (PyObject *self, PyObject *key) | |
1190 | { | |
1191 | struct type *type = ((type_object *) self)->type; | |
a73bb892 | 1192 | int i; |
76dce0be | 1193 | |
9b972014 | 1194 | gdb::unique_xmalloc_ptr<char> field = python_string_to_host_string (key); |
a73bb892 PK |
1195 | if (field == NULL) |
1196 | return NULL; | |
1197 | ||
256458bc | 1198 | /* We want just fields of this type, not of base types, so instead of |
a73bb892 PK |
1199 | using lookup_struct_elt_type, portions of that function are |
1200 | copied here. */ | |
1201 | ||
9cc10fd1 PK |
1202 | type = typy_get_composite (type); |
1203 | if (type == NULL) | |
1204 | return NULL; | |
256458bc | 1205 | |
1f704f76 | 1206 | for (i = 0; i < type->num_fields (); i++) |
a73bb892 | 1207 | { |
33d16dd9 | 1208 | const char *t_field_name = type->field (i).name (); |
a73bb892 | 1209 | |
9b972014 | 1210 | if (t_field_name && (strcmp_iw (t_field_name, field.get ()) == 0)) |
1b20edf0 | 1211 | return convert_field (type, i).release (); |
a73bb892 PK |
1212 | } |
1213 | PyErr_SetObject (PyExc_KeyError, key); | |
1214 | return NULL; | |
1215 | } | |
1216 | ||
256458bc | 1217 | /* Implement the "get" method on the type object. This is the |
a73bb892 PK |
1218 | same as getitem if the key is present, but returns the supplied |
1219 | default value or None if the key is not found. */ | |
1220 | ||
1221 | static PyObject * | |
1222 | typy_get (PyObject *self, PyObject *args) | |
1223 | { | |
1224 | PyObject *key, *defval = Py_None, *result; | |
256458bc | 1225 | |
a73bb892 PK |
1226 | if (!PyArg_UnpackTuple (args, "get", 1, 2, &key, &defval)) |
1227 | return NULL; | |
256458bc | 1228 | |
a73bb892 PK |
1229 | result = typy_getitem (self, key); |
1230 | if (result != NULL) | |
1231 | return result; | |
256458bc | 1232 | |
a73bb892 PK |
1233 | /* typy_getitem returned error status. If the exception is |
1234 | KeyError, clear the exception status and return the defval | |
1235 | instead. Otherwise return the exception unchanged. */ | |
1236 | if (!PyErr_ExceptionMatches (PyExc_KeyError)) | |
1237 | return NULL; | |
256458bc | 1238 | |
a73bb892 PK |
1239 | PyErr_Clear (); |
1240 | Py_INCREF (defval); | |
1241 | return defval; | |
1242 | } | |
1243 | ||
1244 | /* Implement the "has_key" method on the type object. */ | |
1245 | ||
1246 | static PyObject * | |
1247 | typy_has_key (PyObject *self, PyObject *args) | |
1248 | { | |
1249 | struct type *type = ((type_object *) self)->type; | |
2ff6b080 | 1250 | const char *field; |
a73bb892 | 1251 | int i; |
76dce0be | 1252 | |
a73bb892 PK |
1253 | if (!PyArg_ParseTuple (args, "s", &field)) |
1254 | return NULL; | |
1255 | ||
256458bc | 1256 | /* We want just fields of this type, not of base types, so instead of |
a73bb892 PK |
1257 | using lookup_struct_elt_type, portions of that function are |
1258 | copied here. */ | |
1259 | ||
9cc10fd1 PK |
1260 | type = typy_get_composite (type); |
1261 | if (type == NULL) | |
1262 | return NULL; | |
a73bb892 | 1263 | |
1f704f76 | 1264 | for (i = 0; i < type->num_fields (); i++) |
a73bb892 | 1265 | { |
33d16dd9 | 1266 | const char *t_field_name = type->field (i).name (); |
a73bb892 PK |
1267 | |
1268 | if (t_field_name && (strcmp_iw (t_field_name, field) == 0)) | |
1269 | Py_RETURN_TRUE; | |
1270 | } | |
1271 | Py_RETURN_FALSE; | |
1272 | } | |
1273 | ||
1274 | /* Make an iterator object to iterate over keys, values, or items. */ | |
1275 | ||
1276 | static PyObject * | |
1277 | typy_make_iter (PyObject *self, enum gdbpy_iter_kind kind) | |
1278 | { | |
1279 | typy_iterator_object *typy_iter_obj; | |
1280 | ||
9cc10fd1 PK |
1281 | /* Check that "self" is a structure or union type. */ |
1282 | if (typy_get_composite (((type_object *) self)->type) == NULL) | |
1283 | return NULL; | |
256458bc | 1284 | |
a73bb892 PK |
1285 | typy_iter_obj = PyObject_New (typy_iterator_object, |
1286 | &type_iterator_object_type); | |
1287 | if (typy_iter_obj == NULL) | |
1288 | return NULL; | |
1289 | ||
1290 | typy_iter_obj->field = 0; | |
1291 | typy_iter_obj->kind = kind; | |
1292 | Py_INCREF (self); | |
1293 | typy_iter_obj->source = (type_object *) self; | |
1294 | ||
1295 | return (PyObject *) typy_iter_obj; | |
1296 | } | |
1297 | ||
1298 | /* iteritems() method. */ | |
1299 | ||
1300 | static PyObject * | |
1301 | typy_iteritems (PyObject *self, PyObject *args) | |
1302 | { | |
1303 | return typy_make_iter (self, iter_items); | |
1304 | } | |
1305 | ||
1306 | /* iterkeys() method. */ | |
1307 | ||
1308 | static PyObject * | |
1309 | typy_iterkeys (PyObject *self, PyObject *args) | |
1310 | { | |
1311 | return typy_make_iter (self, iter_keys); | |
1312 | } | |
1313 | ||
1314 | /* Iterating over the class, same as iterkeys except for the function | |
1315 | signature. */ | |
1316 | ||
1317 | static PyObject * | |
1318 | typy_iter (PyObject *self) | |
1319 | { | |
1320 | return typy_make_iter (self, iter_keys); | |
1321 | } | |
1322 | ||
1323 | /* itervalues() method. */ | |
1324 | ||
1325 | static PyObject * | |
1326 | typy_itervalues (PyObject *self, PyObject *args) | |
1327 | { | |
1328 | return typy_make_iter (self, iter_values); | |
1329 | } | |
1330 | ||
1331 | /* Return a reference to the type iterator. */ | |
1332 | ||
1333 | static PyObject * | |
1334 | typy_iterator_iter (PyObject *self) | |
1335 | { | |
1336 | Py_INCREF (self); | |
1337 | return self; | |
1338 | } | |
1339 | ||
1340 | /* Return the next field in the iteration through the list of fields | |
1341 | of the type. */ | |
1342 | ||
1343 | static PyObject * | |
1344 | typy_iterator_iternext (PyObject *self) | |
1345 | { | |
1346 | typy_iterator_object *iter_obj = (typy_iterator_object *) self; | |
1347 | struct type *type = iter_obj->source->type; | |
256458bc | 1348 | |
1f704f76 | 1349 | if (iter_obj->field < type->num_fields ()) |
a73bb892 | 1350 | { |
1b20edf0 TT |
1351 | gdbpy_ref<> result = make_fielditem (type, iter_obj->field, |
1352 | iter_obj->kind); | |
a73bb892 PK |
1353 | if (result != NULL) |
1354 | iter_obj->field++; | |
1b20edf0 | 1355 | return result.release (); |
a73bb892 PK |
1356 | } |
1357 | ||
1358 | return NULL; | |
1359 | } | |
1360 | ||
1361 | static void | |
1362 | typy_iterator_dealloc (PyObject *obj) | |
1363 | { | |
1364 | typy_iterator_object *iter_obj = (typy_iterator_object *) obj; | |
1365 | ||
1366 | Py_DECREF (iter_obj->source); | |
2e953aca | 1367 | Py_TYPE (obj)->tp_free (obj); |
a73bb892 PK |
1368 | } |
1369 | ||
2c74e833 TT |
1370 | /* Create a new Type referring to TYPE. */ |
1371 | PyObject * | |
1372 | type_to_type_object (struct type *type) | |
1373 | { | |
1374 | type_object *type_obj; | |
1375 | ||
5d63b30a TT |
1376 | try |
1377 | { | |
1378 | /* Try not to let stub types leak out to Python. */ | |
e46d3488 | 1379 | if (type->is_stub ()) |
5d63b30a TT |
1380 | type = check_typedef (type); |
1381 | } | |
1382 | catch (...) | |
1383 | { | |
1384 | /* Just ignore failures in check_typedef. */ | |
1385 | } | |
1386 | ||
2c74e833 TT |
1387 | type_obj = PyObject_New (type_object, &type_object_type); |
1388 | if (type_obj) | |
1389 | set_type (type_obj, type); | |
1390 | ||
1391 | return (PyObject *) type_obj; | |
1392 | } | |
1393 | ||
1394 | struct type * | |
1395 | type_object_to_type (PyObject *obj) | |
1396 | { | |
1397 | if (! PyObject_TypeCheck (obj, &type_object_type)) | |
1398 | return NULL; | |
1399 | return ((type_object *) obj)->type; | |
1400 | } | |
1401 | ||
1402 | \f | |
1403 | ||
1404 | /* Implementation of gdb.lookup_type. */ | |
1405 | PyObject * | |
1406 | gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw) | |
1407 | { | |
2adadf51 | 1408 | static const char *keywords[] = { "name", "block", NULL }; |
ddd49eee | 1409 | const char *type_name = NULL; |
2c74e833 | 1410 | struct type *type = NULL; |
5107b149 | 1411 | PyObject *block_obj = NULL; |
9df2fbc4 | 1412 | const struct block *block = NULL; |
2c74e833 | 1413 | |
2adadf51 PA |
1414 | if (!gdb_PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords, |
1415 | &type_name, &block_obj)) | |
2c74e833 TT |
1416 | return NULL; |
1417 | ||
5107b149 PM |
1418 | if (block_obj) |
1419 | { | |
1420 | block = block_object_to_block (block_obj); | |
1421 | if (! block) | |
1422 | { | |
1423 | PyErr_SetString (PyExc_RuntimeError, | |
1424 | _("'block' argument must be a Block.")); | |
1425 | return NULL; | |
1426 | } | |
1427 | } | |
1428 | ||
1429 | type = typy_lookup_typename (type_name, block); | |
2c74e833 TT |
1430 | if (! type) |
1431 | return NULL; | |
1432 | ||
8833fbf0 | 1433 | return type_to_type_object (type); |
2c74e833 TT |
1434 | } |
1435 | ||
8e3685bf AB |
1436 | void _initialize_py_type (); |
1437 | void | |
1438 | _initialize_py_type () | |
1439 | { | |
1440 | typy_objfile_data_key | |
1441 | = register_objfile_data_with_cleanup (save_objfile_types, NULL); | |
1442 | } | |
1443 | ||
999633ed | 1444 | int |
2c74e833 TT |
1445 | gdbpy_initialize_types (void) |
1446 | { | |
1447 | int i; | |
1448 | ||
2c74e833 | 1449 | if (PyType_Ready (&type_object_type) < 0) |
999633ed | 1450 | return -1; |
2c74e833 | 1451 | if (PyType_Ready (&field_object_type) < 0) |
999633ed | 1452 | return -1; |
a73bb892 | 1453 | if (PyType_Ready (&type_iterator_object_type) < 0) |
999633ed | 1454 | return -1; |
2c74e833 TT |
1455 | |
1456 | for (i = 0; pyty_codes[i].name; ++i) | |
1457 | { | |
6c28e44a | 1458 | if (PyModule_AddIntConstant (gdb_module, pyty_codes[i].name, |
2c74e833 | 1459 | pyty_codes[i].code) < 0) |
999633ed | 1460 | return -1; |
2c74e833 TT |
1461 | } |
1462 | ||
aa36459a TT |
1463 | if (gdb_pymodule_addobject (gdb_module, "Type", |
1464 | (PyObject *) &type_object_type) < 0) | |
999633ed | 1465 | return -1; |
2c74e833 | 1466 | |
aa36459a TT |
1467 | if (gdb_pymodule_addobject (gdb_module, "TypeIterator", |
1468 | (PyObject *) &type_iterator_object_type) < 0) | |
999633ed | 1469 | return -1; |
a73bb892 | 1470 | |
aa36459a TT |
1471 | return gdb_pymodule_addobject (gdb_module, "Field", |
1472 | (PyObject *) &field_object_type); | |
2c74e833 TT |
1473 | } |
1474 | ||
1475 | \f | |
1476 | ||
0d1f4ceb | 1477 | static gdb_PyGetSetDef type_object_getset[] = |
2c74e833 | 1478 | { |
6d7bb824 TT |
1479 | { "alignof", typy_get_alignof, NULL, |
1480 | "The alignment of this type, in bytes.", NULL }, | |
2c74e833 TT |
1481 | { "code", typy_get_code, NULL, |
1482 | "The code for this type.", NULL }, | |
1acda803 TT |
1483 | { "dynamic", typy_get_dynamic, NULL, |
1484 | "Whether this type is dynamic.", NULL }, | |
c0d48811 JB |
1485 | { "name", typy_get_name, NULL, |
1486 | "The name for this type, or None.", NULL }, | |
2c74e833 TT |
1487 | { "sizeof", typy_get_sizeof, NULL, |
1488 | "The size of this type, in bytes.", NULL }, | |
1489 | { "tag", typy_get_tag, NULL, | |
1490 | "The tag name for this type, or None.", NULL }, | |
e1f2e1a2 CB |
1491 | { "objfile", typy_get_objfile, NULL, |
1492 | "The objfile this type was defined in, or None.", NULL }, | |
2c74e833 TT |
1493 | { NULL } |
1494 | }; | |
1495 | ||
1496 | static PyMethodDef type_object_methods[] = | |
1497 | { | |
702c2711 | 1498 | { "array", typy_array, METH_VARARGS, |
f28c316a DE |
1499 | "array ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ |
1500 | Return a type which represents an array of objects of this type.\n\ | |
1501 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1502 | If LOW_BOUND is omitted, a value of zero is used." }, | |
a72c3253 DE |
1503 | { "vector", typy_vector, METH_VARARGS, |
1504 | "vector ([LOW_BOUND,] HIGH_BOUND) -> Type\n\ | |
1505 | Return a type which represents a vector of objects of this type.\n\ | |
1506 | The bounds of the array are [LOW_BOUND, HIGH_BOUND] inclusive.\n\ | |
1507 | If LOW_BOUND is omitted, a value of zero is used.\n\ | |
1508 | Vectors differ from arrays in that if the current language has C-style\n\ | |
1509 | arrays, vectors don't decay to a pointer to the first element.\n\ | |
1510 | They are first class values." }, | |
a73bb892 PK |
1511 | { "__contains__", typy_has_key, METH_VARARGS, |
1512 | "T.__contains__(k) -> True if T has a field named k, else False" }, | |
2c74e833 TT |
1513 | { "const", typy_const, METH_NOARGS, |
1514 | "const () -> Type\n\ | |
1515 | Return a const variant of this type." }, | |
59fb7612 SS |
1516 | { "optimized_out", typy_optimized_out, METH_NOARGS, |
1517 | "optimized_out() -> Value\n\ | |
1518 | Return optimized out value of this type." }, | |
2c74e833 | 1519 | { "fields", typy_fields, METH_NOARGS, |
a73bb892 PK |
1520 | "fields () -> list\n\ |
1521 | Return a list holding all the fields of this type.\n\ | |
1522 | Each field is a gdb.Field object." }, | |
1523 | { "get", typy_get, METH_VARARGS, | |
1524 | "T.get(k[,default]) -> returns field named k in T, if it exists;\n\ | |
1525 | otherwise returns default, if supplied, or None if not." }, | |
1526 | { "has_key", typy_has_key, METH_VARARGS, | |
1527 | "T.has_key(k) -> True if T has a field named k, else False" }, | |
1528 | { "items", typy_items, METH_NOARGS, | |
1529 | "items () -> list\n\ | |
1530 | Return a list of (name, field) pairs of this type.\n\ | |
1531 | Each field is a gdb.Field object." }, | |
1532 | { "iteritems", typy_iteritems, METH_NOARGS, | |
1533 | "iteritems () -> an iterator over the (name, field)\n\ | |
1534 | pairs of this type. Each field is a gdb.Field object." }, | |
1535 | { "iterkeys", typy_iterkeys, METH_NOARGS, | |
1536 | "iterkeys () -> an iterator over the field names of this type." }, | |
1537 | { "itervalues", typy_itervalues, METH_NOARGS, | |
1538 | "itervalues () -> an iterator over the fields of this type.\n\ | |
1539 | Each field is a gdb.Field object." }, | |
1540 | { "keys", typy_field_names, METH_NOARGS, | |
1541 | "keys () -> list\n\ | |
1542 | Return a list holding all the fields names of this type." }, | |
2c74e833 TT |
1543 | { "pointer", typy_pointer, METH_NOARGS, |
1544 | "pointer () -> Type\n\ | |
1545 | Return a type of pointer to this type." }, | |
361ae042 PM |
1546 | { "range", typy_range, METH_NOARGS, |
1547 | "range () -> tuple\n\ | |
1548 | Return a tuple containing the lower and upper range for this type."}, | |
2c74e833 TT |
1549 | { "reference", typy_reference, METH_NOARGS, |
1550 | "reference () -> Type\n\ | |
1551 | Return a type of reference to this type." }, | |
1552 | { "strip_typedefs", typy_strip_typedefs, METH_NOARGS, | |
1553 | "strip_typedefs () -> Type\n\ | |
1554 | Return a type formed by stripping this type of all typedefs."}, | |
1555 | { "target", typy_target, METH_NOARGS, | |
1556 | "target () -> Type\n\ | |
1557 | Return the target type of this type." }, | |
1558 | { "template_argument", typy_template_argument, METH_VARARGS, | |
5107b149 | 1559 | "template_argument (arg, [block]) -> Type\n\ |
2c74e833 TT |
1560 | Return the type of a template argument." }, |
1561 | { "unqualified", typy_unqualified, METH_NOARGS, | |
1562 | "unqualified () -> Type\n\ | |
1563 | Return a variant of this type without const or volatile attributes." }, | |
9cc10fd1 | 1564 | { "values", typy_values, METH_NOARGS, |
a73bb892 PK |
1565 | "values () -> list\n\ |
1566 | Return a list holding all the fields of this type.\n\ | |
1567 | Each field is a gdb.Field object." }, | |
2c74e833 TT |
1568 | { "volatile", typy_volatile, METH_NOARGS, |
1569 | "volatile () -> Type\n\ | |
1570 | Return a volatile variant of this type" }, | |
1571 | { NULL } | |
1572 | }; | |
1573 | ||
9cc10fd1 PK |
1574 | static PyNumberMethods type_object_as_number = { |
1575 | NULL, /* nb_add */ | |
1576 | NULL, /* nb_subtract */ | |
1577 | NULL, /* nb_multiply */ | |
9a27f2c6 | 1578 | #ifndef IS_PY3K |
9cc10fd1 | 1579 | NULL, /* nb_divide */ |
9a27f2c6 | 1580 | #endif |
9cc10fd1 PK |
1581 | NULL, /* nb_remainder */ |
1582 | NULL, /* nb_divmod */ | |
1583 | NULL, /* nb_power */ | |
1584 | NULL, /* nb_negative */ | |
1585 | NULL, /* nb_positive */ | |
1586 | NULL, /* nb_absolute */ | |
1587 | typy_nonzero, /* nb_nonzero */ | |
1588 | NULL, /* nb_invert */ | |
1589 | NULL, /* nb_lshift */ | |
1590 | NULL, /* nb_rshift */ | |
1591 | NULL, /* nb_and */ | |
1592 | NULL, /* nb_xor */ | |
1593 | NULL, /* nb_or */ | |
9a27f2c6 PK |
1594 | #ifdef IS_PY3K |
1595 | NULL, /* nb_int */ | |
1596 | NULL, /* reserved */ | |
1597 | #else | |
9cc10fd1 PK |
1598 | NULL, /* nb_coerce */ |
1599 | NULL, /* nb_int */ | |
1600 | NULL, /* nb_long */ | |
9a27f2c6 | 1601 | #endif |
9cc10fd1 | 1602 | NULL, /* nb_float */ |
9a27f2c6 | 1603 | #ifndef IS_PY3K |
9cc10fd1 PK |
1604 | NULL, /* nb_oct */ |
1605 | NULL /* nb_hex */ | |
9a27f2c6 | 1606 | #endif |
9cc10fd1 PK |
1607 | }; |
1608 | ||
a73bb892 PK |
1609 | static PyMappingMethods typy_mapping = { |
1610 | typy_length, | |
1611 | typy_getitem, | |
1612 | NULL /* no "set" method */ | |
1613 | }; | |
1614 | ||
e36122e9 | 1615 | PyTypeObject type_object_type = |
2c74e833 | 1616 | { |
9a27f2c6 | 1617 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1618 | "gdb.Type", /*tp_name*/ |
1619 | sizeof (type_object), /*tp_basicsize*/ | |
1620 | 0, /*tp_itemsize*/ | |
1621 | typy_dealloc, /*tp_dealloc*/ | |
1622 | 0, /*tp_print*/ | |
1623 | 0, /*tp_getattr*/ | |
1624 | 0, /*tp_setattr*/ | |
1625 | 0, /*tp_compare*/ | |
1626 | 0, /*tp_repr*/ | |
9cc10fd1 | 1627 | &type_object_as_number, /*tp_as_number*/ |
2c74e833 | 1628 | 0, /*tp_as_sequence*/ |
a73bb892 | 1629 | &typy_mapping, /*tp_as_mapping*/ |
2c74e833 TT |
1630 | 0, /*tp_hash */ |
1631 | 0, /*tp_call*/ | |
1632 | typy_str, /*tp_str*/ | |
1633 | 0, /*tp_getattro*/ | |
1634 | 0, /*tp_setattro*/ | |
1635 | 0, /*tp_as_buffer*/ | |
0b233e34 | 1636 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
2c74e833 TT |
1637 | "GDB type object", /* tp_doc */ |
1638 | 0, /* tp_traverse */ | |
1639 | 0, /* tp_clear */ | |
d839c8a4 | 1640 | typy_richcompare, /* tp_richcompare */ |
2c74e833 | 1641 | 0, /* tp_weaklistoffset */ |
a73bb892 | 1642 | typy_iter, /* tp_iter */ |
2c74e833 TT |
1643 | 0, /* tp_iternext */ |
1644 | type_object_methods, /* tp_methods */ | |
1645 | 0, /* tp_members */ | |
1646 | type_object_getset, /* tp_getset */ | |
1647 | 0, /* tp_base */ | |
1648 | 0, /* tp_dict */ | |
1649 | 0, /* tp_descr_get */ | |
1650 | 0, /* tp_descr_set */ | |
1651 | 0, /* tp_dictoffset */ | |
1652 | 0, /* tp_init */ | |
1653 | 0, /* tp_alloc */ | |
1654 | 0, /* tp_new */ | |
1655 | }; | |
1656 | ||
0d1f4ceb | 1657 | static gdb_PyGetSetDef field_object_getset[] = |
2e8265fd TT |
1658 | { |
1659 | { "__dict__", gdb_py_generic_dict, NULL, | |
1660 | "The __dict__ for this field.", &field_object_type }, | |
1661 | { NULL } | |
1662 | }; | |
1663 | ||
e36122e9 | 1664 | PyTypeObject field_object_type = |
2c74e833 | 1665 | { |
9a27f2c6 | 1666 | PyVarObject_HEAD_INIT (NULL, 0) |
2c74e833 TT |
1667 | "gdb.Field", /*tp_name*/ |
1668 | sizeof (field_object), /*tp_basicsize*/ | |
1669 | 0, /*tp_itemsize*/ | |
1670 | field_dealloc, /*tp_dealloc*/ | |
1671 | 0, /*tp_print*/ | |
1672 | 0, /*tp_getattr*/ | |
1673 | 0, /*tp_setattr*/ | |
1674 | 0, /*tp_compare*/ | |
1675 | 0, /*tp_repr*/ | |
1676 | 0, /*tp_as_number*/ | |
1677 | 0, /*tp_as_sequence*/ | |
1678 | 0, /*tp_as_mapping*/ | |
1679 | 0, /*tp_hash */ | |
1680 | 0, /*tp_call*/ | |
1681 | 0, /*tp_str*/ | |
1682 | 0, /*tp_getattro*/ | |
1683 | 0, /*tp_setattro*/ | |
1684 | 0, /*tp_as_buffer*/ | |
0b233e34 | 1685 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
2c74e833 TT |
1686 | "GDB field object", /* tp_doc */ |
1687 | 0, /* tp_traverse */ | |
1688 | 0, /* tp_clear */ | |
1689 | 0, /* tp_richcompare */ | |
1690 | 0, /* tp_weaklistoffset */ | |
1691 | 0, /* tp_iter */ | |
1692 | 0, /* tp_iternext */ | |
1693 | 0, /* tp_methods */ | |
1694 | 0, /* tp_members */ | |
2e8265fd | 1695 | field_object_getset, /* tp_getset */ |
2c74e833 TT |
1696 | 0, /* tp_base */ |
1697 | 0, /* tp_dict */ | |
1698 | 0, /* tp_descr_get */ | |
1699 | 0, /* tp_descr_set */ | |
1700 | offsetof (field_object, dict), /* tp_dictoffset */ | |
1701 | 0, /* tp_init */ | |
1702 | 0, /* tp_alloc */ | |
1703 | 0, /* tp_new */ | |
1704 | }; | |
a73bb892 | 1705 | |
e36122e9 | 1706 | PyTypeObject type_iterator_object_type = { |
9a27f2c6 | 1707 | PyVarObject_HEAD_INIT (NULL, 0) |
a73bb892 PK |
1708 | "gdb.TypeIterator", /*tp_name*/ |
1709 | sizeof (typy_iterator_object), /*tp_basicsize*/ | |
1710 | 0, /*tp_itemsize*/ | |
1711 | typy_iterator_dealloc, /*tp_dealloc*/ | |
1712 | 0, /*tp_print*/ | |
1713 | 0, /*tp_getattr*/ | |
1714 | 0, /*tp_setattr*/ | |
1715 | 0, /*tp_compare*/ | |
1716 | 0, /*tp_repr*/ | |
1717 | 0, /*tp_as_number*/ | |
1718 | 0, /*tp_as_sequence*/ | |
1719 | 0, /*tp_as_mapping*/ | |
1720 | 0, /*tp_hash */ | |
1721 | 0, /*tp_call*/ | |
1722 | 0, /*tp_str*/ | |
1723 | 0, /*tp_getattro*/ | |
1724 | 0, /*tp_setattro*/ | |
1725 | 0, /*tp_as_buffer*/ | |
0b233e34 | 1726 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
a73bb892 PK |
1727 | "GDB type iterator object", /*tp_doc */ |
1728 | 0, /*tp_traverse */ | |
1729 | 0, /*tp_clear */ | |
1730 | 0, /*tp_richcompare */ | |
1731 | 0, /*tp_weaklistoffset */ | |
1732 | typy_iterator_iter, /*tp_iter */ | |
1733 | typy_iterator_iternext, /*tp_iternext */ | |
1734 | 0 /*tp_methods */ | |
1735 | }; |