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py-prettyprint.c
Go to the documentation of this file.
1/* Python pretty-printing
2
3 Copyright (C) 2008-2023 Free Software Foundation, Inc.
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 "objfiles.h"
22#include "symtab.h"
23#include "language.h"
24#include "valprint.h"
25#include "extension-priv.h"
26#include "python.h"
27#include "python-internal.h"
28#include "cli/cli-style.h"
29
30/* Return type of print_string_repr. */
31
33 {
34 /* The string method returned None. */
36 /* The string method had an error. */
38 /* Everything ok. */
40 };
41
42/* If non-null, points to options that are in effect while
43 printing. */
45
46/* Helper function for find_pretty_printer which iterates over a list,
47 calls each function and inspects output. This will return a
48 printer object if one recognizes VALUE. If no printer is found, it
49 will return None. On error, it will set the Python error and
50 return NULL. */
51
52static gdbpy_ref<>
53search_pp_list (PyObject *list, PyObject *value)
54{
55 Py_ssize_t pp_list_size, list_index;
56
57 pp_list_size = PyList_Size (list);
58 for (list_index = 0; list_index < pp_list_size; list_index++)
59 {
60 PyObject *function = PyList_GetItem (list, list_index);
61 if (! function)
62 return NULL;
63
64 /* Skip if disabled. */
65 if (PyObject_HasAttr (function, gdbpy_enabled_cst))
66 {
67 gdbpy_ref<> attr (PyObject_GetAttr (function, gdbpy_enabled_cst));
68 int cmp;
69
70 if (attr == NULL)
71 return NULL;
72 cmp = PyObject_IsTrue (attr.get ());
73 if (cmp == -1)
74 return NULL;
75
76 if (!cmp)
77 continue;
78 }
79
80 gdbpy_ref<> printer (PyObject_CallFunctionObjArgs (function, value,
81 NULL));
82 if (printer == NULL)
83 return NULL;
84 else if (printer != Py_None)
85 return printer;
86 }
87
88 return gdbpy_ref<>::new_reference (Py_None);
89}
90
91/* Subroutine of find_pretty_printer to simplify it.
92 Look for a pretty-printer to print VALUE in all objfiles.
93 The result is NULL if there's an error and the search should be terminated.
94 The result is Py_None, suitably inc-ref'd, if no pretty-printer was found.
95 Otherwise the result is the pretty-printer function, suitably inc-ref'd. */
96
97static PyObject *
99{
100 for (objfile *obj : current_program_space->objfiles ())
101 {
103 if (objf == NULL)
104 {
105 /* Ignore the error and continue. */
106 PyErr_Clear ();
107 continue;
108 }
109
110 gdbpy_ref<> pp_list (objfpy_get_printers (objf.get (), NULL));
111 gdbpy_ref<> function (search_pp_list (pp_list.get (), value));
112
113 /* If there is an error in any objfile list, abort the search and exit. */
114 if (function == NULL)
115 return NULL;
116
117 if (function != Py_None)
118 return function.release ();
119 }
120
121 Py_RETURN_NONE;
122}
123
124/* Subroutine of find_pretty_printer to simplify it.
125 Look for a pretty-printer to print VALUE in the current program space.
126 The result is NULL if there's an error and the search should be terminated.
127 The result is Py_None, suitably inc-ref'd, if no pretty-printer was found.
128 Otherwise the result is the pretty-printer function, suitably inc-ref'd. */
129
130static gdbpy_ref<>
132{
134
135 if (obj == NULL)
136 return NULL;
137 gdbpy_ref<> pp_list (pspy_get_printers (obj.get (), NULL));
138 return search_pp_list (pp_list.get (), value);
139}
140
141/* Subroutine of find_pretty_printer to simplify it.
142 Look for a pretty-printer to print VALUE in the gdb module.
143 The result is NULL if there's an error and the search should be terminated.
144 The result is Py_None, suitably inc-ref'd, if no pretty-printer was found.
145 Otherwise the result is the pretty-printer function, suitably inc-ref'd. */
146
147static gdbpy_ref<>
149{
150 /* Fetch the global pretty printer list. */
151 if (gdb_python_module == NULL
152 || ! PyObject_HasAttrString (gdb_python_module, "pretty_printers"))
153 return gdbpy_ref<>::new_reference (Py_None);
154 gdbpy_ref<> pp_list (PyObject_GetAttrString (gdb_python_module,
155 "pretty_printers"));
156 if (pp_list == NULL || ! PyList_Check (pp_list.get ()))
157 return gdbpy_ref<>::new_reference (Py_None);
158
159 return search_pp_list (pp_list.get (), value);
160}
161
162/* Find the pretty-printing constructor function for VALUE. If no
163 pretty-printer exists, return None. If one exists, return a new
164 reference. On error, set the Python error and return NULL. */
165
166static gdbpy_ref<>
168{
169 /* Look at the pretty-printer list for each objfile
170 in the current program-space. */
172 if (function == NULL || function != Py_None)
173 return function;
174
175 /* Look at the pretty-printer list for the current program-space. */
177 if (function == NULL || function != Py_None)
178 return function;
179
180 /* Look at the pretty-printer list in the gdb module. */
182}
183
184/* Pretty-print a single value, via the printer object PRINTER.
185 If the function returns a string, a PyObject containing the string
186 is returned. If the function returns Py_NONE that means the pretty
187 printer returned the Python None as a value. Otherwise, if the
188 function returns a value, *OUT_VALUE is set to the value, and NULL
189 is returned. On error, *OUT_VALUE is set to NULL, NULL is
190 returned, with a python exception set. */
191
192static gdbpy_ref<>
193pretty_print_one_value (PyObject *printer, struct value **out_value)
194{
195 gdbpy_ref<> result;
196
197 *out_value = NULL;
198 try
199 {
200 if (!PyObject_HasAttr (printer, gdbpy_to_string_cst))
201 result = gdbpy_ref<>::new_reference (Py_None);
202 else
203 {
204 result.reset (PyObject_CallMethodObjArgs (printer, gdbpy_to_string_cst,
205 NULL));
206 if (result != NULL)
207 {
208 if (! gdbpy_is_string (result.get ())
209 && ! gdbpy_is_lazy_string (result.get ())
210 && result != Py_None)
211 {
212 *out_value = convert_value_from_python (result.get ());
213 if (PyErr_Occurred ())
214 *out_value = NULL;
215 result = NULL;
216 }
217 }
218 }
219 }
220 catch (const gdb_exception &except)
221 {
222 }
223
224 return result;
225}
226
227/* Return the display hint for the object printer, PRINTER. Return
228 NULL if there is no display_hint method, or if the method did not
229 return a string. On error, print stack trace and return NULL. On
230 success, return an xmalloc()d string. */
231gdb::unique_xmalloc_ptr<char>
232gdbpy_get_display_hint (PyObject *printer)
233{
234 gdb::unique_xmalloc_ptr<char> result;
235
236 if (! PyObject_HasAttr (printer, gdbpy_display_hint_cst))
237 return NULL;
238
239 gdbpy_ref<> hint (PyObject_CallMethodObjArgs (printer, gdbpy_display_hint_cst,
240 NULL));
241 if (hint != NULL)
242 {
243 if (gdbpy_is_string (hint.get ()))
244 {
245 result = python_string_to_host_string (hint.get ());
246 if (result == NULL)
248 }
249 }
250 else
252
253 return result;
254}
255
256/* A wrapper for gdbpy_print_stack that ignores MemoryError. */
257
258static void
260{
261 if (PyErr_ExceptionMatches (gdbpy_gdb_memory_error))
262 {
263 gdbpy_err_fetch fetched_error;
264 gdb::unique_xmalloc_ptr<char> msg = fetched_error.to_string ();
265
266 if (msg == NULL || *msg == '\0')
268 _("<error reading variable>"));
269 else
271 _("<error reading variable: %s>"), msg.get ());
272 }
273 else
275}
276
277/* Helper for gdbpy_apply_val_pretty_printer which calls to_string and
278 formats the result. */
279
280static enum gdbpy_string_repr_result
281print_string_repr (PyObject *printer, const char *hint,
282 struct ui_file *stream, int recurse,
283 const struct value_print_options *options,
284 const struct language_defn *language,
285 struct gdbarch *gdbarch)
286{
287 struct value *replacement = NULL;
289
290 gdbpy_ref<> py_str = pretty_print_one_value (printer, &replacement);
291 if (py_str != NULL)
292 {
293 if (py_str == Py_None)
294 result = string_repr_none;
295 else if (gdbpy_is_lazy_string (py_str.get ()))
296 {
297 CORE_ADDR addr;
298 long length;
299 struct type *type;
300 gdb::unique_xmalloc_ptr<char> encoding;
301 struct value_print_options local_opts = *options;
302
303 gdbpy_extract_lazy_string (py_str.get (), &addr, &type,
304 &length, &encoding);
305
306 local_opts.addressprint = 0;
307 val_print_string (type, encoding.get (), addr, (int) length,
308 stream, &local_opts);
309 }
310 else
311 {
312 gdbpy_ref<> string
314 if (string != NULL)
315 {
316 char *output;
317 long length;
318 struct type *type;
319
320 output = PyBytes_AS_STRING (string.get ());
321 length = PyBytes_GET_SIZE (string.get ());
323
324 if (hint && !strcmp (hint, "string"))
325 language->printstr (stream, type, (gdb_byte *) output,
326 length, NULL, 0, options);
327 else
328 gdb_puts (output, stream);
329 }
330 else
331 {
332 result = string_repr_error;
334 }
335 }
336 }
337 else if (replacement)
338 {
339 struct value_print_options opts = *options;
340
341 opts.addressprint = 0;
342 common_val_print (replacement, stream, recurse, &opts, language);
343 }
344 else
345 {
346 result = string_repr_error;
348 }
349
350 return result;
351}
352
353/* Helper for gdbpy_apply_val_pretty_printer that formats children of the
354 printer, if any exist. If is_py_none is true, then nothing has
355 been printed by to_string, and format output accordingly. */
356static void
357print_children (PyObject *printer, const char *hint,
358 struct ui_file *stream, int recurse,
359 const struct value_print_options *options,
360 const struct language_defn *language,
361 int is_py_none)
362{
363 int is_map, is_array, done_flag, pretty;
364 unsigned int i;
365
366 if (! PyObject_HasAttr (printer, gdbpy_children_cst))
367 return;
368
369 /* If we are printing a map or an array, we want some special
370 formatting. */
371 is_map = hint && ! strcmp (hint, "map");
372 is_array = hint && ! strcmp (hint, "array");
373
374 gdbpy_ref<> children (PyObject_CallMethodObjArgs (printer, gdbpy_children_cst,
375 NULL));
376 if (children == NULL)
377 {
379 return;
380 }
381
382 gdbpy_ref<> iter (PyObject_GetIter (children.get ()));
383 if (iter == NULL)
384 {
386 return;
387 }
388
389 /* Use the prettyformat_arrays option if we are printing an array,
390 and the pretty option otherwise. */
391 if (is_array)
392 pretty = options->prettyformat_arrays;
393 else
394 {
395 if (options->prettyformat == Val_prettyformat)
396 pretty = 1;
397 else
398 pretty = options->prettyformat_structs;
399 }
400
401 done_flag = 0;
402 for (i = 0; i < options->print_max; ++i)
403 {
404 PyObject *py_v;
405 const char *name;
406
407 gdbpy_ref<> item (PyIter_Next (iter.get ()));
408 if (item == NULL)
409 {
410 if (PyErr_Occurred ())
412 /* Set a flag so we can know whether we printed all the
413 available elements. */
414 else
415 done_flag = 1;
416 break;
417 }
418
419 if (! PyTuple_Check (item.get ()) || PyTuple_Size (item.get ()) != 2)
420 {
421 PyErr_SetString (PyExc_TypeError,
422 _("Result of children iterator not a tuple"
423 " of two elements."));
425 continue;
426 }
427 if (! PyArg_ParseTuple (item.get (), "sO", &name, &py_v))
428 {
429 /* The user won't necessarily get a stack trace here, so provide
430 more context. */
433 _("Bad result from children iterator.\n"));
435 continue;
436 }
437
438 /* Print initial "=" to separate print_string_repr output and
439 children. For other elements, there are three cases:
440 1. Maps. Print a "," after each value element.
441 2. Arrays. Always print a ",".
442 3. Other. Always print a ",". */
443 if (i == 0)
444 {
445 if (!is_py_none)
446 gdb_puts (" = ", stream);
447 }
448 else if (! is_map || i % 2 == 0)
449 gdb_puts (pretty ? "," : ", ", stream);
450
451 /* Skip printing children if max_depth has been reached. This check
452 is performed after print_string_repr and the "=" separator so that
453 these steps are not skipped if the variable is located within the
454 permitted depth. */
455 if (val_print_check_max_depth (stream, recurse, options, language))
456 return;
457 else if (i == 0)
458 /* Print initial "{" to bookend children. */
459 gdb_puts ("{", stream);
460
461 /* In summary mode, we just want to print "= {...}" if there is
462 a value. */
463 if (options->summary)
464 {
465 /* This increment tricks the post-loop logic to print what
466 we want. */
467 ++i;
468 /* Likewise. */
469 pretty = 0;
470 break;
471 }
472
473 if (! is_map || i % 2 == 0)
474 {
475 if (pretty)
476 {
477 gdb_puts ("\n", stream);
478 print_spaces (2 + 2 * recurse, stream);
479 }
480 else
481 stream->wrap_here (2 + 2 *recurse);
482 }
483
484 if (is_map && i % 2 == 0)
485 gdb_puts ("[", stream);
486 else if (is_array)
487 {
488 /* We print the index, not whatever the child method
489 returned as the name. */
490 if (options->print_array_indexes)
491 gdb_printf (stream, "[%d] = ", i);
492 }
493 else if (! is_map)
494 {
495 gdb_puts (name, stream);
496 gdb_puts (" = ", stream);
497 }
498
499 if (gdbpy_is_lazy_string (py_v))
500 {
501 CORE_ADDR addr;
502 struct type *type;
503 long length;
504 gdb::unique_xmalloc_ptr<char> encoding;
505 struct value_print_options local_opts = *options;
506
507 gdbpy_extract_lazy_string (py_v, &addr, &type, &length, &encoding);
508
509 local_opts.addressprint = 0;
510 val_print_string (type, encoding.get (), addr, (int) length, stream,
511 &local_opts);
512 }
513 else if (gdbpy_is_string (py_v))
514 {
515 gdb::unique_xmalloc_ptr<char> output;
516
517 output = python_string_to_host_string (py_v);
518 if (!output)
520 else
521 gdb_puts (output.get (), stream);
522 }
523 else
524 {
525 struct value *value = convert_value_from_python (py_v);
526
527 if (value == NULL)
528 {
530 error (_("Error while executing Python code."));
531 }
532 else
533 {
534 /* When printing the key of a map we allow one additional
535 level of depth. This means the key will print before the
536 value does. */
537 struct value_print_options opt = *options;
538 if (is_map && i % 2 == 0
539 && opt.max_depth != -1
540 && opt.max_depth < INT_MAX)
541 ++opt.max_depth;
542 common_val_print (value, stream, recurse + 1, &opt, language);
543 }
544 }
545
546 if (is_map && i % 2 == 0)
547 gdb_puts ("] = ", stream);
548 }
549
550 if (i)
551 {
552 if (!done_flag)
553 {
554 if (pretty)
555 {
556 gdb_puts ("\n", stream);
557 print_spaces (2 + 2 * recurse, stream);
558 }
559 gdb_puts ("...", stream);
560 }
561 if (pretty)
562 {
563 gdb_puts ("\n", stream);
564 print_spaces (2 * recurse, stream);
565 }
566 gdb_puts ("}", stream);
567 }
568}
569
570enum ext_lang_rc
572 struct value *value,
573 struct ui_file *stream, int recurse,
574 const struct value_print_options *options,
575 const struct language_defn *language)
576{
577 struct type *type = value_type (value);
578 struct gdbarch *gdbarch = type->arch ();
579 enum gdbpy_string_repr_result print_result;
580
581 if (value_lazy (value))
583
584 /* No pretty-printer support for unavailable values. */
585 if (!value_bytes_available (value, 0, type->length ()))
586 return EXT_LANG_RC_NOP;
587
589 return EXT_LANG_RC_NOP;
590
591 gdbpy_enter enter_py (gdbarch, language);
592
594 if (val_obj == NULL)
595 {
597 return EXT_LANG_RC_ERROR;
598 }
599
600 /* Find the constructor. */
601 gdbpy_ref<> printer (find_pretty_printer (val_obj.get ()));
602 if (printer == NULL)
603 {
605 return EXT_LANG_RC_ERROR;
606 }
607
608 if (printer == Py_None)
609 return EXT_LANG_RC_NOP;
610
611 scoped_restore set_options = make_scoped_restore (&gdbpy_current_print_options,
612 options);
613
614 /* If we are printing a map, we want some special formatting. */
615 gdb::unique_xmalloc_ptr<char> hint (gdbpy_get_display_hint (printer.get ()));
616
617 /* Print the section */
618 print_result = print_string_repr (printer.get (), hint.get (), stream,
619 recurse, options, language, gdbarch);
620 if (print_result != string_repr_error)
621 print_children (printer.get (), hint.get (), stream, recurse, options,
622 language, print_result == string_repr_none);
623
624 if (PyErr_Occurred ())
626 return EXT_LANG_RC_OK;
627}
628
629
630/* Apply a pretty-printer for the varobj code. PRINTER_OBJ is the
631 print object. It must have a 'to_string' method (but this is
632 checked by varobj, not here) which takes no arguments and
633 returns a string. The printer will return a value and in the case
634 of a Python string being returned, this function will return a
635 PyObject containing the string. For any other type, *REPLACEMENT is
636 set to the replacement value and this function returns NULL. On
637 error, *REPLACEMENT is set to NULL and this function also returns
638 NULL. */
640apply_varobj_pretty_printer (PyObject *printer_obj,
641 struct value **replacement,
642 struct ui_file *stream,
643 const value_print_options *opts)
644{
645 scoped_restore set_options = make_scoped_restore (&gdbpy_current_print_options,
646 opts);
647
648 *replacement = NULL;
649 gdbpy_ref<> py_str = pretty_print_one_value (printer_obj, replacement);
650
651 if (*replacement == NULL && py_str == NULL)
653
654 return py_str;
655}
656
657/* Find a pretty-printer object for the varobj module. Returns a new
658 reference to the object if successful; returns NULL if not. VALUE
659 is the value for which a printer tests to determine if it
660 can pretty-print the value. */
663{
664 try
665 {
667 }
668 catch (const gdb_exception &except)
669 {
671 }
672
674 if (val_obj == NULL)
675 return NULL;
676
677 return find_pretty_printer (val_obj.get ());
678}
679
680/* A Python function which wraps find_pretty_printer and instantiates
681 the resulting class. This accepts a Value argument and returns a
682 pretty printer instance, or None. This function is useful as an
683 argument to the MI command -var-set-visualizer. */
684PyObject *
685gdbpy_default_visualizer (PyObject *self, PyObject *args)
686{
687 PyObject *val_obj;
688 struct value *value;
689
690 if (! PyArg_ParseTuple (args, "O", &val_obj))
691 return NULL;
692 value = value_object_to_value (val_obj);
693 if (! value)
694 {
695 PyErr_SetString (PyExc_TypeError,
696 _("Argument must be a gdb.Value."));
697 return NULL;
698 }
699
700 return find_pretty_printer (val_obj).release ();
701}
702
703/* Helper function to set a boolean in a dictionary. */
704static int
705set_boolean (PyObject *dict, const char *name, bool val)
706{
707 gdbpy_ref<> val_obj (PyBool_FromLong (val));
708 if (val_obj == nullptr)
709 return -1;
710 return PyDict_SetItemString (dict, name, val_obj.get ());
711}
712
713/* Helper function to set an integer in a dictionary. */
714static int
715set_unsigned (PyObject *dict, const char *name, unsigned int val)
716{
718 if (val_obj == nullptr)
719 return -1;
720 return PyDict_SetItemString (dict, name, val_obj.get ());
721}
722
723/* Implement gdb.print_options. */
724PyObject *
725gdbpy_print_options (PyObject *unused1, PyObject *unused2)
726{
727 gdbpy_ref<> result (PyDict_New ());
728 if (result == nullptr)
729 return nullptr;
730
733
734 if (set_boolean (result.get (), "raw",
735 opts.raw) < 0
736 || set_boolean (result.get (), "pretty_arrays",
737 opts.prettyformat_arrays) < 0
738 || set_boolean (result.get (), "pretty_structs",
739 opts.prettyformat_structs) < 0
740 || set_boolean (result.get (), "array_indexes",
741 opts.print_array_indexes) < 0
742 || set_boolean (result.get (), "symbols",
743 opts.symbol_print) < 0
744 || set_boolean (result.get (), "unions",
745 opts.unionprint) < 0
746 || set_boolean (result.get (), "address",
747 opts.addressprint) < 0
748 || set_boolean (result.get (), "deref_refs",
749 opts.deref_ref) < 0
750 || set_boolean (result.get (), "actual_objects",
751 opts.objectprint) < 0
752 || set_boolean (result.get (), "static_members",
753 opts.static_field_print) < 0
754 || set_boolean (result.get (), "deref_refs",
755 opts.deref_ref) < 0
756 || set_boolean (result.get (), "nibbles",
757 opts.nibblesprint) < 0
758 || set_boolean (result.get (), "summary",
759 opts.summary) < 0
760 || set_unsigned (result.get (), "max_elements",
761 opts.print_max) < 0
762 || set_unsigned (result.get (), "max_depth",
763 opts.max_depth) < 0
764 || set_unsigned (result.get (), "repeat_threshold",
765 opts.repeat_count_threshold) < 0)
766 return nullptr;
767
768 if (opts.format != 0)
769 {
770 char str[2] = { (char) opts.format, 0 };
772 if (fmtstr == nullptr)
773 return nullptr;
774 if (PyDict_SetItemString (result.get (), "format", fmtstr.get ()) < 0)
775 return nullptr;
776 }
777
778 return result.release ();
779}
780
781/* Helper function that either finds the prevailing print options, or
782 calls get_user_print_options. */
783void
785{
786 if (gdbpy_current_print_options != nullptr)
788 else
790}
constexpr string_view get()
Definition: 70483.cc:49
const char *const name
Definition: aarch64-tdep.c:67
ui_file_style style() const
Definition: cli-style.c:169
gdb::unique_xmalloc_ptr< char > to_string() const
Definition: py-utils.c:185
virtual void wrap_here(int indent)
Definition: ui-file.h:117
cli_style_option metadata_style
@ Val_prettyformat
Definition: defs.h:423
#define INT_MAX
Definition: defs.h:457
language
Definition: defs.h:211
ext_lang_rc
Definition: extension.h:165
@ EXT_LANG_RC_NOP
Definition: extension.h:170
@ EXT_LANG_RC_OK
Definition: extension.h:167
@ EXT_LANG_RC_ERROR
Definition: extension.h:179
struct program_space * current_program_space
Definition: progspace.c:39
void gdbpy_extract_lazy_string(PyObject *string, CORE_ADDR *addr, struct type **str_elt_type, long *length, gdb::unique_xmalloc_ptr< char > *encoding)
int gdbpy_is_lazy_string(PyObject *result)
gdbpy_ref objfile_to_objfile_object(struct objfile *objfile)
Definition: py-objfile.c:686
PyObject * objfpy_get_printers(PyObject *o, void *ignore)
Definition: py-objfile.c:255
static int set_boolean(PyObject *dict, const char *name, bool val)
static enum gdbpy_string_repr_result print_string_repr(PyObject *printer, const char *hint, struct ui_file *stream, int recurse, const struct value_print_options *options, const struct language_defn *language, struct gdbarch *gdbarch)
gdbpy_ref apply_varobj_pretty_printer(PyObject *printer_obj, struct value **replacement, struct ui_file *stream, const value_print_options *opts)
static int set_unsigned(PyObject *dict, const char *name, unsigned int val)
static gdbpy_ref find_pretty_printer_from_gdb(PyObject *value)
gdb::unique_xmalloc_ptr< char > gdbpy_get_display_hint(PyObject *printer)
PyObject * gdbpy_default_visualizer(PyObject *self, PyObject *args)
static gdbpy_ref search_pp_list(PyObject *list, PyObject *value)
PyObject * gdbpy_print_options(PyObject *unused1, PyObject *unused2)
static void print_stack_unless_memory_error(struct ui_file *stream)
static gdbpy_ref find_pretty_printer(PyObject *value)
static gdbpy_ref find_pretty_printer_from_progspace(PyObject *value)
static void print_children(PyObject *printer, const char *hint, struct ui_file *stream, int recurse, const struct value_print_options *options, const struct language_defn *language, int is_py_none)
static PyObject * find_pretty_printer_from_objfiles(PyObject *value)
gdbpy_ref gdbpy_get_varobj_pretty_printer(struct value *value)
const struct value_print_options * gdbpy_current_print_options
static gdbpy_ref pretty_print_one_value(PyObject *printer, struct value **out_value)
enum ext_lang_rc gdbpy_apply_val_pretty_printer(const struct extension_language_defn *extlang, struct value *value, struct ui_file *stream, int recurse, const struct value_print_options *options, const struct language_defn *language)
gdbpy_string_repr_result
@ string_repr_error
@ string_repr_none
@ string_repr_ok
void gdbpy_get_print_options(value_print_options *opts)
gdbpy_ref pspace_to_pspace_object(struct program_space *pspace)
Definition: py-progspace.c:495
PyObject * pspy_get_printers(PyObject *o, void *ignore)
Definition: py-progspace.c:178
gdb::ref_ptr< T, gdbpy_ref_policy< T > > gdbpy_ref
Definition: py-ref.h:43
gdbpy_ref host_string_to_python_string(const char *str)
Definition: py-utils.c:153
gdb::unique_xmalloc_ptr< char > python_string_to_host_string(PyObject *obj)
Definition: py-utils.c:141
gdbpy_ref python_string_to_target_python_string(PyObject *obj)
Definition: py-utils.c:128
int gdbpy_is_string(PyObject *obj)
Definition: py-utils.c:163
gdbpy_ref gdb_py_object_from_ulongest(ULONGEST l)
Definition: py-utils.c:290
struct value * convert_value_from_python(PyObject *obj)
Definition: py-value.c:1838
PyObject * value_to_value_object_no_release(struct value *val)
Definition: py-value.c:1800
PyObject * value_to_value_object(struct value *val)
Definition: py-value.c:1778
struct value * value_object_to_value(PyObject *self)
Definition: py-value.c:1823
void gdbpy_print_stack(void)
Definition: python.c:1484
int gdbpy_print_python_errors_p(void)
Definition: python.c:1474
int gdb_python_initialized
Definition: python.c:80
PyObject * gdbpy_children_cst
Definition: python.c:89
PyObject * gdbpy_gdb_memory_error
Definition: python.c:102
PyObject * gdbpy_display_hint_cst
Definition: python.c:90
PyObject * gdbpy_enabled_cst
Definition: python.c:92
PyObject * gdbpy_to_string_cst
Definition: python.c:88
PyObject * gdb_python_module
Definition: python.c:85
#define GDB_PY_HANDLE_EXCEPTION(Exception)
struct type * builtin_char
Definition: gdbtypes.h:2246
objfiles_range objfiles()
Definition: progspace.h:209
Definition: gdbtypes.h:922
ULONGEST length() const
Definition: gdbtypes.h:954
gdbarch * arch() const
Definition: gdbtypes.c:245
bool print_array_indexes
Definition: valprint.h:79
bool prettyformat_arrays
Definition: valprint.h:33
unsigned int print_max
Definition: valprint.h:58
enum val_prettyformat prettyformat
Definition: valprint.h:30
bool prettyformat_structs
Definition: valprint.h:36
Definition: value.c:181
void print_spaces(int n, struct ui_file *stream)
Definition: utils.c:1947
void fprintf_styled(struct ui_file *stream, const ui_file_style &style, const char *format,...)
Definition: utils.c:1877
void gdb_printf(struct ui_file *stream, const char *format,...)
Definition: utils.c:1865
void gdb_puts(const char *linebuffer, struct ui_file *stream)
Definition: utils.c:1788
#define gdb_stderr
Definition: utils.h:193
bool val_print_check_max_depth(struct ui_file *stream, int recurse, const struct value_print_options *options, const struct language_defn *language)
Definition: valprint.c:1085
int val_print_string(struct type *elttype, const char *encoding, CORE_ADDR addr, int len, struct ui_file *stream, const struct value_print_options *options)
Definition: valprint.c:2598
void get_user_print_options(struct value_print_options *opts)
Definition: valprint.c:128
void common_val_print(struct value *value, struct ui_file *stream, int recurse, const struct value_print_options *options, const struct language_defn *language)
Definition: valprint.c:1014
int value_bytes_available(const struct value *value, LONGEST offset, LONGEST length)
Definition: value.c:391
struct type * value_type(const struct value *value)
Definition: value.c:1109
int value_lazy(const struct value *value)
Definition: value.c:1440
void value_fetch_lazy(struct value *val)
Definition: value.c:4162
struct value * value_copy(const value *arg)
Definition: value.c:1760