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f3e9a817 PM |
1 | /* Python interface to symbol tables. |
2 | ||
28e7fd62 | 3 | Copyright (C) 2008-2013 Free Software Foundation, Inc. |
f3e9a817 PM |
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 "charset.h" | |
22 | #include "symtab.h" | |
23 | #include "source.h" | |
24 | #include "python-internal.h" | |
25 | #include "objfiles.h" | |
a20ee7a4 | 26 | #include "block.h" |
f3e9a817 PM |
27 | |
28 | typedef struct stpy_symtab_object { | |
29 | PyObject_HEAD | |
30 | /* The GDB Symbol table structure. */ | |
31 | struct symtab *symtab; | |
32 | /* A symtab object is associated with an objfile, so keep track with | |
33 | a doubly-linked list, rooted in the objfile. This allows | |
34 | invalidation of the underlying struct symtab when the objfile is | |
35 | deleted. */ | |
36 | struct stpy_symtab_object *prev; | |
37 | struct stpy_symtab_object *next; | |
38 | } symtab_object; | |
39 | ||
40 | static PyTypeObject symtab_object_type; | |
41 | static const struct objfile_data *stpy_objfile_data_key; | |
42 | ||
43 | /* Require a valid symbol table. All access to symtab_object->symtab | |
44 | should be gated by this call. */ | |
45 | #define STPY_REQUIRE_VALID(symtab_obj, symtab) \ | |
46 | do { \ | |
47 | symtab = symtab_object_to_symtab (symtab_obj); \ | |
48 | if (symtab == NULL) \ | |
49 | { \ | |
50 | PyErr_SetString (PyExc_RuntimeError, \ | |
51 | _("Symbol Table is invalid.")); \ | |
52 | return NULL; \ | |
53 | } \ | |
54 | } while (0) | |
55 | ||
56 | typedef struct salpy_sal_object { | |
57 | PyObject_HEAD | |
58 | /* The GDB Symbol table structure. */ | |
59 | symtab_object *symtab; | |
60 | /* The GDB Symbol table and line structure. */ | |
61 | struct symtab_and_line *sal; | |
62 | /* A Symtab and line object is associated with an objfile, so keep | |
63 | track with a doubly-linked list, rooted in the objfile. This | |
64 | allows invalidation of the underlying struct symtab_and_line | |
65 | when the objfile is deleted. */ | |
66 | struct salpy_sal_object *prev; | |
67 | struct salpy_sal_object *next; | |
68 | } sal_object; | |
69 | ||
70 | static PyTypeObject sal_object_type; | |
71 | static const struct objfile_data *salpy_objfile_data_key; | |
72 | ||
73 | /* Require a valid symbol table and line object. All access to | |
74 | sal_object->sal should be gated by this call. */ | |
75 | #define SALPY_REQUIRE_VALID(sal_obj, sal) \ | |
76 | do { \ | |
77 | sal = sal_object_to_symtab_and_line (sal_obj); \ | |
78 | if (sal == NULL) \ | |
79 | { \ | |
80 | PyErr_SetString (PyExc_RuntimeError, \ | |
81 | _("Symbol Table and Line is invalid.")); \ | |
82 | return NULL; \ | |
83 | } \ | |
84 | } while (0) | |
85 | ||
86 | static PyObject * | |
87 | stpy_str (PyObject *self) | |
88 | { | |
89 | PyObject *result; | |
90 | struct symtab *symtab = NULL; | |
91 | ||
92 | STPY_REQUIRE_VALID (self, symtab); | |
93 | ||
05cba821 | 94 | result = PyString_FromString (symtab_to_filename_for_display (symtab)); |
f3e9a817 PM |
95 | |
96 | return result; | |
97 | } | |
98 | ||
99 | static PyObject * | |
100 | stpy_get_filename (PyObject *self, void *closure) | |
101 | { | |
102 | PyObject *str_obj; | |
103 | struct symtab *symtab = NULL; | |
05cba821 | 104 | const char *filename; |
f3e9a817 PM |
105 | |
106 | STPY_REQUIRE_VALID (self, symtab); | |
05cba821 | 107 | filename = symtab_to_filename_for_display (symtab); |
f3e9a817 | 108 | |
05cba821 | 109 | str_obj = PyString_Decode (filename, strlen (filename), |
f3e9a817 PM |
110 | host_charset (), NULL); |
111 | return str_obj; | |
112 | } | |
113 | ||
114 | static PyObject * | |
115 | stpy_get_objfile (PyObject *self, void *closure) | |
116 | { | |
117 | struct symtab *symtab = NULL; | |
118 | PyObject *result; | |
119 | ||
120 | STPY_REQUIRE_VALID (self, symtab); | |
121 | ||
122 | result = objfile_to_objfile_object (symtab->objfile); | |
123 | Py_XINCREF (result); | |
124 | return result; | |
125 | } | |
126 | ||
127 | static PyObject * | |
128 | stpy_fullname (PyObject *self, PyObject *args) | |
129 | { | |
0b0865da | 130 | const char *fullname; |
f3e9a817 PM |
131 | struct symtab *symtab = NULL; |
132 | ||
133 | STPY_REQUIRE_VALID (self, symtab); | |
134 | ||
135 | fullname = symtab_to_fullname (symtab); | |
f3e9a817 | 136 | |
f35a17b5 | 137 | return PyString_Decode (fullname, strlen (fullname), host_charset (), NULL); |
f3e9a817 PM |
138 | } |
139 | ||
29703da4 PM |
140 | /* Implementation of gdb.Symtab.is_valid (self) -> Boolean. |
141 | Returns True if this Symbol table still exists in GDB. */ | |
142 | ||
143 | static PyObject * | |
144 | stpy_is_valid (PyObject *self, PyObject *args) | |
145 | { | |
146 | struct symtab *symtab = NULL; | |
147 | ||
148 | symtab = symtab_object_to_symtab (self); | |
149 | if (symtab == NULL) | |
150 | Py_RETURN_FALSE; | |
151 | ||
152 | Py_RETURN_TRUE; | |
153 | } | |
154 | ||
a20ee7a4 SCR |
155 | /* Return the GLOBAL_BLOCK of the underlying symtab. */ |
156 | ||
157 | static PyObject * | |
158 | stpy_global_block (PyObject *self, PyObject *args) | |
159 | { | |
160 | struct symtab *symtab = NULL; | |
161 | struct block *block = NULL; | |
162 | struct blockvector *blockvector; | |
163 | ||
164 | STPY_REQUIRE_VALID (self, symtab); | |
165 | ||
166 | blockvector = BLOCKVECTOR (symtab); | |
167 | block = BLOCKVECTOR_BLOCK (blockvector, GLOBAL_BLOCK); | |
168 | return block_to_block_object (block, symtab->objfile); | |
169 | } | |
170 | ||
171 | /* Return the STATIC_BLOCK of the underlying symtab. */ | |
172 | ||
173 | static PyObject * | |
174 | stpy_static_block (PyObject *self, PyObject *args) | |
175 | { | |
176 | struct symtab *symtab = NULL; | |
177 | struct block *block = NULL; | |
178 | struct blockvector *blockvector; | |
179 | ||
180 | STPY_REQUIRE_VALID (self, symtab); | |
181 | ||
182 | blockvector = BLOCKVECTOR (symtab); | |
183 | block = BLOCKVECTOR_BLOCK (blockvector, STATIC_BLOCK); | |
184 | return block_to_block_object (block, symtab->objfile); | |
185 | } | |
186 | ||
f3e9a817 PM |
187 | static PyObject * |
188 | salpy_str (PyObject *self) | |
189 | { | |
05cba821 JK |
190 | char *s; |
191 | const char *filename; | |
f3e9a817 PM |
192 | sal_object *sal_obj; |
193 | PyObject *result; | |
194 | struct symtab_and_line *sal = NULL; | |
195 | ||
196 | SALPY_REQUIRE_VALID (self, sal); | |
197 | ||
198 | sal_obj = (sal_object *) self; | |
199 | filename = (sal_obj->symtab == (symtab_object *) Py_None) | |
05cba821 | 200 | ? "<unknown>" : symtab_to_filename_for_display (sal_obj->symtab->symtab); |
f3e9a817 PM |
201 | |
202 | s = xstrprintf ("symbol and line for %s, line %d", filename, | |
203 | sal->line); | |
204 | ||
205 | result = PyString_FromString (s); | |
206 | xfree (s); | |
207 | ||
208 | return result; | |
209 | } | |
210 | ||
211 | static void | |
212 | stpy_dealloc (PyObject *obj) | |
213 | { | |
214 | symtab_object *symtab = (symtab_object *) obj; | |
215 | ||
216 | if (symtab->prev) | |
217 | symtab->prev->next = symtab->next; | |
218 | else if (symtab->symtab) | |
219 | { | |
220 | set_objfile_data (symtab->symtab->objfile, | |
221 | stpy_objfile_data_key, symtab->next); | |
222 | } | |
223 | if (symtab->next) | |
224 | symtab->next->prev = symtab->prev; | |
225 | symtab->symtab = NULL; | |
226 | } | |
227 | ||
228 | ||
229 | static PyObject * | |
230 | salpy_get_pc (PyObject *self, void *closure) | |
231 | { | |
232 | struct symtab_and_line *sal = NULL; | |
233 | ||
234 | SALPY_REQUIRE_VALID (self, sal); | |
235 | ||
74aedc46 | 236 | return gdb_py_long_from_ulongest (sal->pc); |
f3e9a817 PM |
237 | } |
238 | ||
ee0bf529 SCR |
239 | /* Implementation of the get method for the 'last' attribute of |
240 | gdb.Symtab_and_line. */ | |
241 | ||
242 | static PyObject * | |
243 | salpy_get_last (PyObject *self, void *closure) | |
244 | { | |
245 | struct symtab_and_line *sal = NULL; | |
246 | ||
247 | SALPY_REQUIRE_VALID (self, sal); | |
248 | ||
249 | if (sal->end > 0) | |
250 | return gdb_py_long_from_ulongest (sal->end - 1); | |
251 | else | |
252 | Py_RETURN_NONE; | |
253 | } | |
254 | ||
f3e9a817 PM |
255 | static PyObject * |
256 | salpy_get_line (PyObject *self, void *closure) | |
257 | { | |
258 | struct symtab_and_line *sal = NULL; | |
259 | ||
260 | SALPY_REQUIRE_VALID (self, sal); | |
261 | ||
74aedc46 | 262 | return PyInt_FromLong (sal->line); |
f3e9a817 PM |
263 | } |
264 | ||
265 | static PyObject * | |
266 | salpy_get_symtab (PyObject *self, void *closure) | |
267 | { | |
268 | struct symtab_and_line *sal; | |
269 | sal_object *self_sal = (sal_object *) self; | |
270 | ||
271 | SALPY_REQUIRE_VALID (self, sal); | |
272 | ||
273 | Py_INCREF (self_sal->symtab); | |
274 | ||
275 | return (PyObject *) self_sal->symtab; | |
276 | } | |
277 | ||
29703da4 PM |
278 | /* Implementation of gdb.Symtab_and_line.is_valid (self) -> Boolean. |
279 | Returns True if this Symbol table and line object still exists GDB. */ | |
280 | ||
281 | static PyObject * | |
282 | salpy_is_valid (PyObject *self, PyObject *args) | |
283 | { | |
284 | struct symtab_and_line *sal; | |
285 | ||
286 | sal = sal_object_to_symtab_and_line (self); | |
287 | if (sal == NULL) | |
288 | Py_RETURN_FALSE; | |
289 | ||
290 | Py_RETURN_TRUE; | |
291 | } | |
292 | ||
f3e9a817 PM |
293 | static void |
294 | salpy_dealloc (PyObject *self) | |
295 | { | |
296 | sal_object *self_sal = (sal_object *) self; | |
297 | ||
298 | if (self_sal->prev) | |
299 | self_sal->prev->next = self_sal->next; | |
300 | else if (self_sal->symtab != (symtab_object * ) Py_None) | |
301 | set_objfile_data (self_sal->symtab->symtab->objfile, | |
302 | salpy_objfile_data_key, self_sal->next); | |
303 | ||
304 | if (self_sal->next) | |
305 | self_sal->next->prev = self_sal->prev; | |
306 | ||
307 | Py_DECREF (self_sal->symtab); | |
308 | xfree (self_sal->sal); | |
9a27f2c6 | 309 | Py_TYPE (self)->tp_free (self); |
f3e9a817 PM |
310 | } |
311 | ||
b021a221 MS |
312 | /* Given a sal, and a sal_object that has previously been allocated |
313 | and initialized, populate the sal_object with the struct sal data. | |
314 | Also, register the sal_object life-cycle with the life-cycle of the | |
315 | object file associated with this sal, if needed. If a failure | |
316 | occurs during the sal population, this function will return | |
317 | NULL. */ | |
f3e9a817 PM |
318 | static int |
319 | set_sal (sal_object *sal_obj, struct symtab_and_line sal) | |
320 | { | |
321 | symtab_object *symtab_obj; | |
322 | ||
323 | if (sal.symtab) | |
324 | { | |
325 | symtab_obj = (symtab_object *) symtab_to_symtab_object (sal.symtab); | |
326 | /* If a symtab existed in the sal, but it cannot be duplicated, | |
327 | we exit. */ | |
328 | if (symtab_obj == NULL) | |
329 | return 0; | |
330 | } | |
331 | else | |
332 | { | |
333 | symtab_obj = (symtab_object *) Py_None; | |
334 | Py_INCREF (Py_None); | |
335 | } | |
336 | ||
337 | sal_obj->sal = xmemdup (&sal, sizeof (struct symtab_and_line), | |
338 | sizeof (struct symtab_and_line)); | |
339 | sal_obj->symtab = symtab_obj; | |
340 | sal_obj->prev = NULL; | |
341 | ||
342 | /* If the SAL does not have a symtab, we do not add it to the | |
343 | objfile cleanup observer linked list. */ | |
344 | if (sal_obj->symtab != (symtab_object *)Py_None) | |
345 | { | |
346 | sal_obj->next = objfile_data (sal_obj->symtab->symtab->objfile, | |
347 | salpy_objfile_data_key); | |
348 | if (sal_obj->next) | |
349 | sal_obj->next->prev = sal_obj; | |
350 | ||
351 | set_objfile_data (sal_obj->symtab->symtab->objfile, | |
352 | salpy_objfile_data_key, sal_obj); | |
353 | } | |
354 | else | |
355 | sal_obj->next = NULL; | |
356 | ||
357 | return 1; | |
358 | } | |
359 | ||
360 | /* Given a symtab, and a symtab_object that has previously been | |
361 | allocated and initialized, populate the symtab_object with the | |
362 | struct symtab data. Also, register the symtab_object life-cycle | |
b021a221 | 363 | with the life-cycle of the object file associated with this |
f3e9a817 PM |
364 | symtab, if needed. */ |
365 | static void | |
366 | set_symtab (symtab_object *obj, struct symtab *symtab) | |
367 | { | |
368 | obj->symtab = symtab; | |
369 | obj->prev = NULL; | |
370 | if (symtab) | |
371 | { | |
372 | obj->next = objfile_data (symtab->objfile, stpy_objfile_data_key); | |
373 | if (obj->next) | |
374 | obj->next->prev = obj; | |
375 | set_objfile_data (symtab->objfile, stpy_objfile_data_key, obj); | |
376 | } | |
377 | else | |
378 | obj->next = NULL; | |
379 | } | |
380 | ||
381 | /* Create a new symbol table (gdb.Symtab) object that encapsulates the | |
382 | symtab structure from GDB. */ | |
383 | PyObject * | |
384 | symtab_to_symtab_object (struct symtab *symtab) | |
385 | { | |
386 | symtab_object *symtab_obj; | |
387 | ||
388 | symtab_obj = PyObject_New (symtab_object, &symtab_object_type); | |
389 | if (symtab_obj) | |
390 | set_symtab (symtab_obj, symtab); | |
391 | ||
392 | return (PyObject *) symtab_obj; | |
393 | } | |
394 | ||
395 | /* Create a new symtab and line (gdb.Symtab_and_line) object | |
396 | that encapsulates the symtab_and_line structure from GDB. */ | |
397 | PyObject * | |
398 | symtab_and_line_to_sal_object (struct symtab_and_line sal) | |
399 | ||
400 | { | |
401 | sal_object *sal_obj; | |
f3e9a817 | 402 | int success = 0; |
f3e9a817 | 403 | |
d59b6f6c | 404 | sal_obj = PyObject_New (sal_object, &sal_object_type); |
f3e9a817 PM |
405 | if (sal_obj) |
406 | { | |
407 | success = set_sal (sal_obj, sal); | |
408 | if (!success) | |
409 | { | |
410 | Py_DECREF (sal_obj); | |
411 | return NULL; | |
412 | } | |
413 | } | |
414 | ||
415 | return (PyObject *) sal_obj; | |
416 | } | |
417 | ||
418 | /* Return struct symtab_and_line reference that is wrapped by this | |
419 | object. */ | |
420 | struct symtab_and_line * | |
421 | sal_object_to_symtab_and_line (PyObject *obj) | |
422 | { | |
423 | if (! PyObject_TypeCheck (obj, &sal_object_type)) | |
424 | return NULL; | |
425 | return ((sal_object *) obj)->sal; | |
426 | } | |
427 | ||
428 | /* Return struct symtab reference that is wrapped by this object. */ | |
429 | struct symtab * | |
430 | symtab_object_to_symtab (PyObject *obj) | |
431 | { | |
432 | if (! PyObject_TypeCheck (obj, &symtab_object_type)) | |
433 | return NULL; | |
434 | return ((symtab_object *) obj)->symtab; | |
435 | } | |
436 | ||
437 | /* This function is called when an objfile is about to be freed. | |
438 | Invalidate the symbol table as further actions on the symbol table | |
439 | would result in bad data. All access to obj->symtab should be | |
440 | gated by STPY_REQUIRE_VALID which will raise an exception on | |
441 | invalid symbol tables. */ | |
442 | static void | |
443 | del_objfile_symtab (struct objfile *objfile, void *datum) | |
444 | { | |
445 | symtab_object *obj = datum; | |
d59b6f6c | 446 | |
f3e9a817 PM |
447 | while (obj) |
448 | { | |
449 | symtab_object *next = obj->next; | |
450 | ||
451 | obj->symtab = NULL; | |
452 | obj->next = NULL; | |
453 | obj->prev = NULL; | |
454 | obj = next; | |
455 | } | |
456 | } | |
457 | ||
458 | /* This function is called when an objfile is about to be freed. | |
459 | Invalidate the sal object as further actions on the sal | |
460 | would result in bad data. All access to obj->sal should be | |
461 | gated by SALPY_REQUIRE_VALID which will raise an exception on | |
462 | invalid symbol table and line objects. */ | |
463 | static void | |
464 | del_objfile_sal (struct objfile *objfile, void *datum) | |
465 | { | |
466 | sal_object *obj = datum; | |
d59b6f6c | 467 | |
f3e9a817 PM |
468 | while (obj) |
469 | { | |
470 | sal_object *next = obj->next; | |
471 | ||
801e4185 TT |
472 | Py_DECREF (obj->symtab); |
473 | obj->symtab = (symtab_object *) Py_None; | |
474 | Py_INCREF (Py_None); | |
475 | ||
f3e9a817 PM |
476 | obj->next = NULL; |
477 | obj->prev = NULL; | |
478 | xfree (obj->sal); | |
479 | obj->sal = NULL; | |
480 | ||
481 | obj = next; | |
482 | } | |
483 | } | |
484 | ||
485 | void | |
486 | gdbpy_initialize_symtabs (void) | |
487 | { | |
488 | symtab_object_type.tp_new = PyType_GenericNew; | |
489 | if (PyType_Ready (&symtab_object_type) < 0) | |
490 | return; | |
491 | ||
492 | sal_object_type.tp_new = PyType_GenericNew; | |
493 | if (PyType_Ready (&sal_object_type) < 0) | |
494 | return; | |
495 | ||
496 | /* Register an objfile "free" callback so we can properly | |
497 | invalidate symbol tables, and symbol table and line data | |
498 | structures when an object file that is about to be | |
499 | deleted. */ | |
500 | stpy_objfile_data_key | |
501 | = register_objfile_data_with_cleanup (NULL, del_objfile_symtab); | |
502 | salpy_objfile_data_key | |
503 | = register_objfile_data_with_cleanup (NULL, del_objfile_sal); | |
504 | ||
505 | Py_INCREF (&symtab_object_type); | |
506 | PyModule_AddObject (gdb_module, "Symtab", | |
507 | (PyObject *) &symtab_object_type); | |
508 | ||
509 | Py_INCREF (&sal_object_type); | |
510 | PyModule_AddObject (gdb_module, "Symtab_and_line", | |
511 | (PyObject *) &sal_object_type); | |
512 | } | |
513 | ||
514 | \f | |
515 | ||
516 | static PyGetSetDef symtab_object_getset[] = { | |
517 | { "filename", stpy_get_filename, NULL, | |
518 | "The symbol table's source filename.", NULL }, | |
519 | { "objfile", stpy_get_objfile, NULL, "The symtab's objfile.", | |
520 | NULL }, | |
521 | {NULL} /* Sentinel */ | |
522 | }; | |
523 | ||
524 | static PyMethodDef symtab_object_methods[] = { | |
29703da4 PM |
525 | { "is_valid", stpy_is_valid, METH_NOARGS, |
526 | "is_valid () -> Boolean.\n\ | |
527 | Return true if this symbol table is valid, false if not." }, | |
f3e9a817 PM |
528 | { "fullname", stpy_fullname, METH_NOARGS, |
529 | "fullname () -> String.\n\ | |
530 | Return the symtab's full source filename." }, | |
a20ee7a4 SCR |
531 | { "global_block", stpy_global_block, METH_NOARGS, |
532 | "global_block () -> gdb.Block.\n\ | |
533 | Return the global block of the symbol table." }, | |
534 | { "static_block", stpy_static_block, METH_NOARGS, | |
535 | "static_block () -> gdb.Block.\n\ | |
536 | Return the static block of the symbol table." }, | |
f3e9a817 PM |
537 | {NULL} /* Sentinel */ |
538 | }; | |
539 | ||
540 | static PyTypeObject symtab_object_type = { | |
9a27f2c6 | 541 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
542 | "gdb.Symtab", /*tp_name*/ |
543 | sizeof (symtab_object), /*tp_basicsize*/ | |
544 | 0, /*tp_itemsize*/ | |
545 | stpy_dealloc, /*tp_dealloc*/ | |
546 | 0, /*tp_print*/ | |
547 | 0, /*tp_getattr*/ | |
548 | 0, /*tp_setattr*/ | |
549 | 0, /*tp_compare*/ | |
550 | 0, /*tp_repr*/ | |
551 | 0, /*tp_as_number*/ | |
552 | 0, /*tp_as_sequence*/ | |
553 | 0, /*tp_as_mapping*/ | |
554 | 0, /*tp_hash */ | |
555 | 0, /*tp_call*/ | |
556 | stpy_str, /*tp_str*/ | |
557 | 0, /*tp_getattro*/ | |
558 | 0, /*tp_setattro*/ | |
559 | 0, /*tp_as_buffer*/ | |
560 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
561 | "GDB symtab object", /*tp_doc */ | |
562 | 0, /*tp_traverse */ | |
563 | 0, /*tp_clear */ | |
564 | 0, /*tp_richcompare */ | |
565 | 0, /*tp_weaklistoffset */ | |
566 | 0, /*tp_iter */ | |
567 | 0, /*tp_iternext */ | |
568 | symtab_object_methods, /*tp_methods */ | |
569 | 0, /*tp_members */ | |
570 | symtab_object_getset /*tp_getset */ | |
571 | }; | |
572 | ||
573 | static PyGetSetDef sal_object_getset[] = { | |
574 | { "symtab", salpy_get_symtab, NULL, "Symtab object.", NULL }, | |
575 | { "pc", salpy_get_pc, NULL, "Return the symtab_and_line's pc.", NULL }, | |
ee0bf529 SCR |
576 | { "last", salpy_get_last, NULL, |
577 | "Return the symtab_and_line's last address.", NULL }, | |
f3e9a817 PM |
578 | { "line", salpy_get_line, NULL, |
579 | "Return the symtab_and_line's line.", NULL }, | |
580 | {NULL} /* Sentinel */ | |
581 | }; | |
582 | ||
29703da4 PM |
583 | static PyMethodDef sal_object_methods[] = { |
584 | { "is_valid", salpy_is_valid, METH_NOARGS, | |
585 | "is_valid () -> Boolean.\n\ | |
586 | Return true if this symbol table and line is valid, false if not." }, | |
587 | {NULL} /* Sentinel */ | |
588 | }; | |
589 | ||
f3e9a817 | 590 | static PyTypeObject sal_object_type = { |
9a27f2c6 | 591 | PyVarObject_HEAD_INIT (NULL, 0) |
f3e9a817 PM |
592 | "gdb.Symtab_and_line", /*tp_name*/ |
593 | sizeof (sal_object), /*tp_basicsize*/ | |
594 | 0, /*tp_itemsize*/ | |
595 | salpy_dealloc, /*tp_dealloc*/ | |
596 | 0, /*tp_print*/ | |
597 | 0, /*tp_getattr*/ | |
598 | 0, /*tp_setattr*/ | |
599 | 0, /*tp_compare*/ | |
600 | 0, /*tp_repr*/ | |
601 | 0, /*tp_as_number*/ | |
602 | 0, /*tp_as_sequence*/ | |
603 | 0, /*tp_as_mapping*/ | |
604 | 0, /*tp_hash */ | |
605 | 0, /*tp_call*/ | |
606 | salpy_str, /*tp_str*/ | |
607 | 0, /*tp_getattro*/ | |
608 | 0, /*tp_setattro*/ | |
609 | 0, /*tp_as_buffer*/ | |
610 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ | |
611 | "GDB symtab_and_line object", /*tp_doc */ | |
612 | 0, /*tp_traverse */ | |
613 | 0, /*tp_clear */ | |
614 | 0, /*tp_richcompare */ | |
615 | 0, /*tp_weaklistoffset */ | |
616 | 0, /*tp_iter */ | |
617 | 0, /*tp_iternext */ | |
29703da4 | 618 | sal_object_methods, /*tp_methods */ |
f3e9a817 PM |
619 | 0, /*tp_members */ |
620 | sal_object_getset /*tp_getset */ | |
621 | }; |