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a6bac58e TT |
1 | /* Python pretty-printing |
2 | ||
4c38e0a4 | 3 | Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. |
a6bac58e 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 "exceptions.h" | |
22 | #include "objfiles.h" | |
23 | #include "symtab.h" | |
24 | #include "language.h" | |
25 | #include "valprint.h" | |
6bf0ce2b | 26 | |
a6bac58e | 27 | #include "python.h" |
a6bac58e TT |
28 | |
29 | #ifdef HAVE_PYTHON | |
6bf0ce2b PP |
30 | #include "python-internal.h" |
31 | ||
a6bac58e TT |
32 | |
33 | /* Helper function for find_pretty_printer which iterates over a list, | |
34 | calls each function and inspects output. This will return a | |
35 | printer object if one recognizes VALUE. If no printer is found, it | |
36 | will return None. On error, it will set the Python error and | |
37 | return NULL. */ | |
38 | static PyObject * | |
39 | search_pp_list (PyObject *list, PyObject *value) | |
40 | { | |
41 | Py_ssize_t pp_list_size, list_index; | |
42 | PyObject *function, *printer = NULL; | |
43 | ||
44 | pp_list_size = PyList_Size (list); | |
45 | for (list_index = 0; list_index < pp_list_size; list_index++) | |
46 | { | |
47 | function = PyList_GetItem (list, list_index); | |
48 | if (! function) | |
49 | return NULL; | |
50 | ||
51 | printer = PyObject_CallFunctionObjArgs (function, value, NULL); | |
52 | if (! printer) | |
53 | return NULL; | |
54 | else if (printer != Py_None) | |
55 | return printer; | |
56 | ||
57 | Py_DECREF (printer); | |
58 | } | |
59 | ||
60 | Py_RETURN_NONE; | |
61 | } | |
62 | ||
63 | /* Find the pretty-printing constructor function for VALUE. If no | |
64 | pretty-printer exists, return None. If one exists, return a new | |
65 | reference. On error, set the Python error and return NULL. */ | |
66 | static PyObject * | |
67 | find_pretty_printer (PyObject *value) | |
68 | { | |
69 | PyObject *pp_list = NULL; | |
70 | PyObject *function = NULL; | |
71 | struct objfile *obj; | |
72 | volatile struct gdb_exception except; | |
73 | ||
74 | /* Look at the pretty-printer dictionary for each objfile. */ | |
75 | ALL_OBJFILES (obj) | |
76 | { | |
77 | PyObject *objf = objfile_to_objfile_object (obj); | |
78 | if (!objf) | |
79 | { | |
80 | /* Ignore the error and continue. */ | |
81 | PyErr_Clear (); | |
82 | continue; | |
83 | } | |
84 | ||
85 | pp_list = objfpy_get_printers (objf, NULL); | |
86 | function = search_pp_list (pp_list, value); | |
87 | ||
88 | /* If there is an error in any objfile list, abort the search and | |
89 | exit. */ | |
90 | if (! function) | |
91 | { | |
92 | Py_XDECREF (pp_list); | |
93 | return NULL; | |
94 | } | |
95 | ||
96 | if (function != Py_None) | |
97 | goto done; | |
98 | ||
99 | Py_DECREF (function); | |
100 | Py_XDECREF (pp_list); | |
101 | } | |
102 | ||
103 | pp_list = NULL; | |
104 | /* Fetch the global pretty printer dictionary. */ | |
105 | if (! PyObject_HasAttrString (gdb_module, "pretty_printers")) | |
106 | { | |
107 | function = Py_None; | |
108 | Py_INCREF (function); | |
109 | goto done; | |
110 | } | |
111 | pp_list = PyObject_GetAttrString (gdb_module, "pretty_printers"); | |
112 | if (! pp_list) | |
113 | goto done; | |
114 | if (! PyList_Check (pp_list)) | |
115 | goto done; | |
116 | ||
117 | function = search_pp_list (pp_list, value); | |
118 | ||
119 | done: | |
120 | Py_XDECREF (pp_list); | |
121 | ||
122 | return function; | |
123 | } | |
be759fcf PM |
124 | |
125 | ||
fbb8f299 PM |
126 | /* Pretty-print a single value, via the printer object PRINTER. |
127 | If the function returns a string, a PyObject containing the string | |
128 | is returned. Otherwise, if the function returns a value, | |
129 | *OUT_VALUE is set to the value, and NULL is returned. On error, | |
130 | *OUT_VALUE is set to NULL, and NULL is returned. */ | |
131 | static PyObject * | |
a6bac58e TT |
132 | pretty_print_one_value (PyObject *printer, struct value **out_value) |
133 | { | |
a6bac58e | 134 | volatile struct gdb_exception except; |
fbb8f299 | 135 | PyObject *result = NULL; |
a6bac58e | 136 | |
fbb8f299 | 137 | *out_value = NULL; |
a6bac58e TT |
138 | TRY_CATCH (except, RETURN_MASK_ALL) |
139 | { | |
a6bac58e TT |
140 | result = PyObject_CallMethodObjArgs (printer, gdbpy_to_string_cst, NULL); |
141 | if (result) | |
142 | { | |
be759fcf | 143 | if (! gdbpy_is_string (result) && ! gdbpy_is_lazy_string (result)) |
fbb8f299 PM |
144 | { |
145 | *out_value = convert_value_from_python (result); | |
146 | if (PyErr_Occurred ()) | |
147 | *out_value = NULL; | |
148 | Py_DECREF (result); | |
149 | result = NULL; | |
150 | } | |
a6bac58e TT |
151 | } |
152 | } | |
153 | ||
fbb8f299 | 154 | return result; |
a6bac58e TT |
155 | } |
156 | ||
157 | /* Return the display hint for the object printer, PRINTER. Return | |
158 | NULL if there is no display_hint method, or if the method did not | |
159 | return a string. On error, print stack trace and return NULL. On | |
160 | success, return an xmalloc()d string. */ | |
161 | char * | |
162 | gdbpy_get_display_hint (PyObject *printer) | |
163 | { | |
164 | PyObject *hint; | |
165 | char *result = NULL; | |
166 | ||
167 | if (! PyObject_HasAttr (printer, gdbpy_display_hint_cst)) | |
168 | return NULL; | |
169 | ||
170 | hint = PyObject_CallMethodObjArgs (printer, gdbpy_display_hint_cst, NULL); | |
171 | if (gdbpy_is_string (hint)) | |
172 | result = python_string_to_host_string (hint); | |
173 | if (hint) | |
174 | Py_DECREF (hint); | |
175 | else | |
176 | gdbpy_print_stack (); | |
177 | ||
178 | return result; | |
179 | } | |
180 | ||
181 | /* Helper for apply_val_pretty_printer which calls to_string and | |
182 | formats the result. */ | |
183 | static void | |
184 | print_string_repr (PyObject *printer, const char *hint, | |
185 | struct ui_file *stream, int recurse, | |
186 | const struct value_print_options *options, | |
50810684 UW |
187 | const struct language_defn *language, |
188 | struct gdbarch *gdbarch) | |
a6bac58e | 189 | { |
a6bac58e | 190 | struct value *replacement = NULL; |
fbb8f299 | 191 | PyObject *py_str = NULL; |
a6bac58e | 192 | |
fbb8f299 PM |
193 | py_str = pretty_print_one_value (printer, &replacement); |
194 | if (py_str) | |
a6bac58e | 195 | { |
be759fcf PM |
196 | gdb_byte *output = NULL; |
197 | long length; | |
198 | struct type *type; | |
199 | char *encoding = NULL; | |
200 | PyObject *string = NULL; | |
201 | int is_lazy; | |
202 | ||
203 | is_lazy = gdbpy_is_lazy_string (py_str); | |
204 | if (is_lazy) | |
205 | output = gdbpy_extract_lazy_string (py_str, &type, &length, &encoding); | |
206 | else | |
fbb8f299 | 207 | { |
be759fcf PM |
208 | string = python_string_to_target_python_string (py_str); |
209 | if (string) | |
210 | { | |
211 | output = PyString_AsString (string); | |
212 | length = PyString_Size (string); | |
213 | type = builtin_type (gdbarch)->builtin_char; | |
214 | } | |
215 | else | |
216 | gdbpy_print_stack (); | |
fbb8f299 | 217 | |
be759fcf PM |
218 | } |
219 | ||
220 | if (output) | |
221 | { | |
222 | if (is_lazy || (hint && !strcmp (hint, "string"))) | |
223 | LA_PRINT_STRING (stream, type, output, length, encoding, | |
224 | 0, options); | |
fbb8f299 PM |
225 | else |
226 | fputs_filtered (output, stream); | |
fbb8f299 | 227 | } |
a6bac58e | 228 | else |
fbb8f299 | 229 | gdbpy_print_stack (); |
be759fcf PM |
230 | |
231 | if (string) | |
232 | Py_DECREF (string); | |
233 | else | |
234 | xfree (output); | |
235 | ||
236 | xfree (encoding); | |
fbb8f299 | 237 | Py_DECREF (py_str); |
a6bac58e TT |
238 | } |
239 | else if (replacement) | |
269f82e5 PP |
240 | { |
241 | struct value_print_options opts = *options; | |
242 | ||
243 | opts.addressprint = 0; | |
244 | common_val_print (replacement, stream, recurse, &opts, language); | |
245 | } | |
a6bac58e TT |
246 | else |
247 | gdbpy_print_stack (); | |
248 | } | |
249 | ||
250 | static void | |
251 | py_restore_tstate (void *p) | |
252 | { | |
253 | PyFrameObject *frame = p; | |
254 | PyThreadState *tstate = PyThreadState_GET (); | |
255 | tstate->frame = frame; | |
256 | } | |
257 | ||
258 | /* Create a dummy PyFrameObject, needed to work around | |
259 | a Python-2.4 bug with generators. */ | |
260 | static PyObject * | |
261 | push_dummy_python_frame () | |
262 | { | |
263 | PyObject *empty_string, *null_tuple, *globals; | |
264 | PyCodeObject *code; | |
265 | PyFrameObject *frame; | |
266 | PyThreadState *tstate; | |
267 | ||
268 | empty_string = PyString_FromString (""); | |
269 | if (!empty_string) | |
270 | return NULL; | |
271 | ||
272 | null_tuple = PyTuple_New (0); | |
273 | if (!null_tuple) | |
274 | { | |
275 | Py_DECREF (empty_string); | |
276 | return NULL; | |
277 | } | |
278 | ||
279 | code = PyCode_New (0, /* argcount */ | |
280 | 0, /* nlocals */ | |
281 | 0, /* stacksize */ | |
282 | 0, /* flags */ | |
283 | empty_string, /* code */ | |
284 | null_tuple, /* consts */ | |
285 | null_tuple, /* names */ | |
286 | null_tuple, /* varnames */ | |
287 | #if PYTHON_API_VERSION >= 1010 | |
288 | null_tuple, /* freevars */ | |
289 | null_tuple, /* cellvars */ | |
290 | #endif | |
291 | empty_string, /* filename */ | |
292 | empty_string, /* name */ | |
293 | 1, /* firstlineno */ | |
294 | empty_string /* lnotab */ | |
295 | ); | |
296 | ||
297 | Py_DECREF (empty_string); | |
298 | Py_DECREF (null_tuple); | |
299 | ||
300 | if (!code) | |
301 | return NULL; | |
302 | ||
303 | globals = PyDict_New (); | |
304 | if (!globals) | |
305 | { | |
306 | Py_DECREF (code); | |
307 | return NULL; | |
308 | } | |
309 | ||
310 | tstate = PyThreadState_GET (); | |
311 | ||
312 | frame = PyFrame_New (tstate, code, globals, NULL); | |
313 | ||
314 | Py_DECREF (globals); | |
315 | Py_DECREF (code); | |
316 | ||
317 | if (!frame) | |
318 | return NULL; | |
319 | ||
320 | tstate->frame = frame; | |
321 | make_cleanup (py_restore_tstate, frame->f_back); | |
322 | return (PyObject *) frame; | |
323 | } | |
324 | ||
325 | /* Helper for apply_val_pretty_printer that formats children of the | |
326 | printer, if any exist. */ | |
327 | static void | |
328 | print_children (PyObject *printer, const char *hint, | |
329 | struct ui_file *stream, int recurse, | |
330 | const struct value_print_options *options, | |
331 | const struct language_defn *language) | |
332 | { | |
333 | int is_map, is_array, done_flag, pretty; | |
334 | unsigned int i; | |
335 | PyObject *children, *iter, *frame; | |
336 | struct cleanup *cleanups; | |
337 | ||
338 | if (! PyObject_HasAttr (printer, gdbpy_children_cst)) | |
339 | return; | |
340 | ||
341 | /* If we are printing a map or an array, we want some special | |
342 | formatting. */ | |
343 | is_map = hint && ! strcmp (hint, "map"); | |
344 | is_array = hint && ! strcmp (hint, "array"); | |
345 | ||
346 | children = PyObject_CallMethodObjArgs (printer, gdbpy_children_cst, | |
347 | NULL); | |
348 | if (! children) | |
349 | { | |
350 | gdbpy_print_stack (); | |
351 | return; | |
352 | } | |
353 | ||
354 | cleanups = make_cleanup_py_decref (children); | |
355 | ||
356 | iter = PyObject_GetIter (children); | |
357 | if (!iter) | |
358 | { | |
359 | gdbpy_print_stack (); | |
360 | goto done; | |
361 | } | |
362 | make_cleanup_py_decref (iter); | |
363 | ||
364 | /* Use the prettyprint_arrays option if we are printing an array, | |
365 | and the pretty option otherwise. */ | |
366 | pretty = is_array ? options->prettyprint_arrays : options->pretty; | |
367 | ||
368 | /* Manufacture a dummy Python frame to work around Python 2.4 bug, | |
369 | where it insists on having a non-NULL tstate->frame when | |
370 | a generator is called. */ | |
371 | frame = push_dummy_python_frame (); | |
372 | if (!frame) | |
373 | { | |
374 | gdbpy_print_stack (); | |
375 | goto done; | |
376 | } | |
377 | make_cleanup_py_decref (frame); | |
378 | ||
379 | done_flag = 0; | |
380 | for (i = 0; i < options->print_max; ++i) | |
381 | { | |
382 | PyObject *py_v, *item = PyIter_Next (iter); | |
383 | char *name; | |
384 | struct cleanup *inner_cleanup; | |
385 | ||
386 | if (! item) | |
387 | { | |
388 | if (PyErr_Occurred ()) | |
389 | gdbpy_print_stack (); | |
390 | /* Set a flag so we can know whether we printed all the | |
391 | available elements. */ | |
392 | else | |
393 | done_flag = 1; | |
394 | break; | |
395 | } | |
396 | ||
397 | if (! PyArg_ParseTuple (item, "sO", &name, &py_v)) | |
398 | { | |
399 | gdbpy_print_stack (); | |
400 | Py_DECREF (item); | |
401 | continue; | |
402 | } | |
403 | inner_cleanup = make_cleanup_py_decref (item); | |
404 | ||
405 | /* Print initial "{". For other elements, there are three | |
406 | cases: | |
407 | 1. Maps. Print a "," after each value element. | |
408 | 2. Arrays. Always print a ",". | |
409 | 3. Other. Always print a ",". */ | |
410 | if (i == 0) | |
411 | fputs_filtered (" = {", stream); | |
412 | else if (! is_map || i % 2 == 0) | |
413 | fputs_filtered (pretty ? "," : ", ", stream); | |
414 | ||
415 | /* In summary mode, we just want to print "= {...}" if there is | |
416 | a value. */ | |
417 | if (options->summary) | |
418 | { | |
419 | /* This increment tricks the post-loop logic to print what | |
420 | we want. */ | |
421 | ++i; | |
422 | /* Likewise. */ | |
423 | pretty = 0; | |
424 | break; | |
425 | } | |
426 | ||
427 | if (! is_map || i % 2 == 0) | |
428 | { | |
429 | if (pretty) | |
430 | { | |
431 | fputs_filtered ("\n", stream); | |
432 | print_spaces_filtered (2 + 2 * recurse, stream); | |
433 | } | |
434 | else | |
435 | wrap_here (n_spaces (2 + 2 *recurse)); | |
436 | } | |
437 | ||
438 | if (is_map && i % 2 == 0) | |
439 | fputs_filtered ("[", stream); | |
440 | else if (is_array) | |
441 | { | |
442 | /* We print the index, not whatever the child method | |
443 | returned as the name. */ | |
444 | if (options->print_array_indexes) | |
445 | fprintf_filtered (stream, "[%d] = ", i); | |
446 | } | |
447 | else if (! is_map) | |
448 | { | |
449 | fputs_filtered (name, stream); | |
450 | fputs_filtered (" = ", stream); | |
451 | } | |
452 | ||
be759fcf | 453 | if (gdbpy_is_lazy_string (py_v) || gdbpy_is_string (py_v)) |
a6bac58e | 454 | { |
be759fcf PM |
455 | gdb_byte *output = NULL; |
456 | ||
457 | if (gdbpy_is_lazy_string (py_v)) | |
458 | { | |
459 | struct type *type; | |
460 | long length; | |
461 | char *encoding = NULL; | |
462 | ||
463 | output = gdbpy_extract_lazy_string (py_v, &type, | |
464 | &length, &encoding); | |
465 | if (!output) | |
466 | gdbpy_print_stack (); | |
467 | LA_PRINT_STRING (stream, type, output, length, encoding, | |
468 | 0, options); | |
469 | xfree (encoding); | |
470 | xfree (output); | |
471 | } | |
a6bac58e TT |
472 | else |
473 | { | |
be759fcf PM |
474 | output = python_string_to_host_string (py_v); |
475 | fputs_filtered (output, stream); | |
476 | xfree (output); | |
a6bac58e TT |
477 | } |
478 | } | |
479 | else | |
480 | { | |
481 | struct value *value = convert_value_from_python (py_v); | |
482 | ||
483 | if (value == NULL) | |
484 | { | |
485 | gdbpy_print_stack (); | |
486 | error (_("Error while executing Python code.")); | |
487 | } | |
488 | else | |
489 | common_val_print (value, stream, recurse + 1, options, language); | |
490 | } | |
491 | ||
492 | if (is_map && i % 2 == 0) | |
493 | fputs_filtered ("] = ", stream); | |
494 | ||
495 | do_cleanups (inner_cleanup); | |
496 | } | |
497 | ||
498 | if (i) | |
499 | { | |
500 | if (!done_flag) | |
501 | { | |
502 | if (pretty) | |
503 | { | |
504 | fputs_filtered ("\n", stream); | |
505 | print_spaces_filtered (2 + 2 * recurse, stream); | |
506 | } | |
507 | fputs_filtered ("...", stream); | |
508 | } | |
509 | if (pretty) | |
510 | { | |
511 | fputs_filtered ("\n", stream); | |
512 | print_spaces_filtered (2 * recurse, stream); | |
513 | } | |
514 | fputs_filtered ("}", stream); | |
515 | } | |
516 | ||
517 | done: | |
518 | do_cleanups (cleanups); | |
519 | } | |
520 | ||
521 | int | |
522 | apply_val_pretty_printer (struct type *type, const gdb_byte *valaddr, | |
523 | int embedded_offset, CORE_ADDR address, | |
524 | struct ui_file *stream, int recurse, | |
525 | const struct value_print_options *options, | |
526 | const struct language_defn *language) | |
527 | { | |
50810684 | 528 | struct gdbarch *gdbarch = get_type_arch (type); |
a6bac58e TT |
529 | PyObject *printer = NULL; |
530 | PyObject *val_obj = NULL; | |
531 | struct value *value; | |
532 | char *hint = NULL; | |
533 | struct cleanup *cleanups; | |
534 | int result = 0; | |
a6bac58e | 535 | |
d452c4bc | 536 | cleanups = ensure_python_env (gdbarch, language); |
a6bac58e TT |
537 | |
538 | /* Instantiate the printer. */ | |
539 | if (valaddr) | |
540 | valaddr += embedded_offset; | |
541 | value = value_from_contents_and_address (type, valaddr, address); | |
542 | ||
543 | val_obj = value_to_value_object (value); | |
544 | if (! val_obj) | |
545 | goto done; | |
546 | ||
547 | /* Find the constructor. */ | |
548 | printer = find_pretty_printer (val_obj); | |
549 | Py_DECREF (val_obj); | |
550 | make_cleanup_py_decref (printer); | |
551 | if (! printer || printer == Py_None) | |
552 | goto done; | |
553 | ||
554 | /* If we are printing a map, we want some special formatting. */ | |
555 | hint = gdbpy_get_display_hint (printer); | |
556 | make_cleanup (free_current_contents, &hint); | |
557 | ||
558 | /* Print the section */ | |
50810684 UW |
559 | print_string_repr (printer, hint, stream, recurse, options, language, |
560 | gdbarch); | |
a6bac58e TT |
561 | print_children (printer, hint, stream, recurse, options, language); |
562 | result = 1; | |
563 | ||
564 | ||
565 | done: | |
566 | if (PyErr_Occurred ()) | |
567 | gdbpy_print_stack (); | |
568 | do_cleanups (cleanups); | |
569 | return result; | |
570 | } | |
571 | ||
fbb8f299 | 572 | |
b6313243 TT |
573 | /* Apply a pretty-printer for the varobj code. PRINTER_OBJ is the |
574 | print object. It must have a 'to_string' method (but this is | |
575 | checked by varobj, not here) which takes no arguments and | |
fbb8f299 PM |
576 | returns a string. The printer will return a value and in the case |
577 | of a Python string being returned, this function will return a | |
578 | PyObject containing the string. For any other type, *REPLACEMENT is | |
579 | set to the replacement value and this function returns NULL. On | |
580 | error, *REPLACEMENT is set to NULL and this function also returns | |
581 | NULL. */ | |
582 | PyObject * | |
b6313243 TT |
583 | apply_varobj_pretty_printer (PyObject *printer_obj, |
584 | struct value **replacement) | |
585 | { | |
fbb8f299 PM |
586 | int size = 0; |
587 | PyObject *py_str = NULL; | |
b6313243 TT |
588 | |
589 | *replacement = NULL; | |
fbb8f299 PM |
590 | py_str = pretty_print_one_value (printer_obj, replacement); |
591 | ||
592 | if (*replacement == NULL && py_str == NULL) | |
b6313243 | 593 | gdbpy_print_stack (); |
b6313243 | 594 | |
fbb8f299 | 595 | return py_str; |
b6313243 TT |
596 | } |
597 | ||
598 | /* Find a pretty-printer object for the varobj module. Returns a new | |
599 | reference to the object if successful; returns NULL if not. VALUE | |
600 | is the value for which a printer tests to determine if it | |
601 | can pretty-print the value. */ | |
602 | PyObject * | |
603 | gdbpy_get_varobj_pretty_printer (struct value *value) | |
604 | { | |
605 | PyObject *val_obj; | |
606 | PyObject *pretty_printer = NULL; | |
607 | volatile struct gdb_exception except; | |
608 | ||
609 | TRY_CATCH (except, RETURN_MASK_ALL) | |
610 | { | |
611 | value = value_copy (value); | |
612 | } | |
613 | GDB_PY_HANDLE_EXCEPTION (except); | |
614 | ||
615 | val_obj = value_to_value_object (value); | |
616 | if (! val_obj) | |
617 | return NULL; | |
618 | ||
619 | pretty_printer = find_pretty_printer (val_obj); | |
620 | Py_DECREF (val_obj); | |
621 | return pretty_printer; | |
622 | } | |
623 | ||
624 | /* A Python function which wraps find_pretty_printer and instantiates | |
625 | the resulting class. This accepts a Value argument and returns a | |
626 | pretty printer instance, or None. This function is useful as an | |
627 | argument to the MI command -var-set-visualizer. */ | |
628 | PyObject * | |
629 | gdbpy_default_visualizer (PyObject *self, PyObject *args) | |
630 | { | |
631 | PyObject *val_obj; | |
632 | PyObject *cons, *printer = NULL; | |
633 | struct value *value; | |
634 | ||
635 | if (! PyArg_ParseTuple (args, "O", &val_obj)) | |
636 | return NULL; | |
637 | value = value_object_to_value (val_obj); | |
638 | if (! value) | |
639 | { | |
640 | PyErr_SetString (PyExc_TypeError, "argument must be a gdb.Value"); | |
641 | return NULL; | |
642 | } | |
643 | ||
644 | cons = find_pretty_printer (val_obj); | |
645 | return cons; | |
646 | } | |
647 | ||
a6bac58e TT |
648 | #else /* HAVE_PYTHON */ |
649 | ||
650 | int | |
651 | apply_val_pretty_printer (struct type *type, const gdb_byte *valaddr, | |
652 | int embedded_offset, CORE_ADDR address, | |
6bf0ce2b PP |
653 | struct ui_file *stream, int recurse, |
654 | const struct value_print_options *options, | |
a6bac58e TT |
655 | const struct language_defn *language) |
656 | { | |
657 | return 0; | |
658 | } | |
659 | ||
660 | #endif /* HAVE_PYTHON */ |