Bug Summary

File:src/gnu/usr.bin/binutils/gdb/ui-out.c
Warning:line 463, column 24
Value stored to 'current' during its initialization is never read

Annotated Source Code

Press '?' to see keyboard shortcuts

clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name ui-out.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -resource-dir /usr/local/lib/clang/13.0.0 -D PIE_DEFAULT=1 -I . -I /usr/src/gnu/usr.bin/binutils/gdb -I /usr/src/gnu/usr.bin/binutils/gdb/config -D LOCALEDIR="/usr/share/locale" -D HAVE_CONFIG_H -I /usr/src/gnu/usr.bin/binutils/gdb/../include/opcode -I ../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../include -I ../intl -I /usr/src/gnu/usr.bin/binutils/gdb/../intl -D MI_OUT=1 -D TUI=1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fgnuc-version=4.2.1 -fcommon -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c /usr/src/gnu/usr.bin/binutils/gdb/ui-out.c
1/* Output generating routines for GDB.
2
3 Copyright 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
4
5 Contributed by Cygnus Solutions.
6 Written by Fernando Nasser for Cygnus.
7
8 This file is part of GDB.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
24
25#include "defs.h"
26#include "gdb_string.h"
27#include "expression.h" /* For language.h */
28#include "language.h"
29#include "ui-out.h"
30#include "gdb_assert.h"
31
32/* table header structures */
33
34struct ui_out_hdr
35 {
36 int colno;
37 int width;
38 int alignment;
39 char *col_name;
40 char *colhdr;
41 struct ui_out_hdr *next;
42 };
43
44/* Maintain a stack so that the info applicable to the inner most list
45 is always available. Stack/nested level 0 is reserved for the
46 top-level result. */
47
48enum { MAX_UI_OUT_LEVELS = 6 };
49
50struct ui_out_level
51 {
52 /* Count each field; the first element is for non-list fields */
53 int field_count;
54 /* The type of this level. */
55 enum ui_out_type type;
56 };
57
58/* Tables are special. Maintain a separate structure that tracks
59 their state. At present an output can only contain a single table
60 but that restriction might eventually be lifted. */
61
62struct ui_out_table
63{
64 /* If on, a table is being generated. */
65 int flag;
66
67 /* If on, the body of a table is being generated. If off, the table
68 header is being generated. */
69 int body_flag;
70
71 /* The level at which each entry of the table is to be found. A row
72 (a tuple) is made up of entries. Consequently ENTRY_LEVEL is one
73 above that of the table. */
74 int entry_level;
75
76 /* Number of table columns (as specified in the table_begin call). */
77 int columns;
78
79 /* String identifying the table (as specified in the table_begin
80 call). */
81 char *id;
82
83 /* Points to the first table header (if any). */
84 struct ui_out_hdr *header_first;
85
86 /* Points to the last table header (if any). */
87 struct ui_out_hdr *header_last;
88
89 /* Points to header of NEXT column to format. */
90 struct ui_out_hdr *header_next;
91
92};
93
94
95/* The ui_out structure */
96/* Any change here requires a corresponding one in the initialization
97 of the default uiout, which is statically initialized */
98
99struct ui_out
100 {
101 int flags;
102 /* specific implementation of ui-out */
103 struct ui_out_impl *impl;
104 struct ui_out_data *data;
105
106 /* Sub structure tracking the ui-out depth. */
107 int level;
108 struct ui_out_level levels[MAX_UI_OUT_LEVELS];
109
110 /* A table, if any. At present only a single table is supported. */
111 struct ui_out_table table;
112 };
113
114/* The current (inner most) level. */
115static struct ui_out_level *
116current_level (struct ui_out *uiout)
117{
118 return &uiout->levels[uiout->level];
119}
120
121/* Create a new level, of TYPE. Return the new level's index. */
122static int
123push_level (struct ui_out *uiout,
124 enum ui_out_type type,
125 const char *id)
126{
127 struct ui_out_level *current;
128 /* We had better not overflow the buffer. */
129 uiout->level++;
130 gdb_assert (uiout->level >= 0 && uiout->level < MAX_UI_OUT_LEVELS)((void) ((uiout->level >= 0 && uiout->level <
MAX_UI_OUT_LEVELS) ? 0 : (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c"
, 130, "%s: Assertion `%s' failed.", __PRETTY_FUNCTION__, "uiout->level >= 0 && uiout->level < MAX_UI_OUT_LEVELS"
), 0)));
131 current = current_level (uiout);
132 current->field_count = 0;
133 current->type = type;
134 return uiout->level;
135}
136
137/* Discard the current level, return the discarded level's index.
138 TYPE is the type of the level being discarded. */
139static int
140pop_level (struct ui_out *uiout,
141 enum ui_out_type type)
142{
143 /* We had better not underflow the buffer. */
144 gdb_assert (uiout->level > 0 && uiout->level < MAX_UI_OUT_LEVELS)((void) ((uiout->level > 0 && uiout->level <
MAX_UI_OUT_LEVELS) ? 0 : (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c"
, 144, "%s: Assertion `%s' failed.", __PRETTY_FUNCTION__, "uiout->level > 0 && uiout->level < MAX_UI_OUT_LEVELS"
), 0)));
145 gdb_assert (current_level (uiout)->type == type)((void) ((current_level (uiout)->type == type) ? 0 : (internal_error
("/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", 145, "%s: Assertion `%s' failed."
, __PRETTY_FUNCTION__, "current_level (uiout)->type == type"
), 0)));
146 uiout->level--;
147 return uiout->level + 1;
148}
149
150
151/* These are the default implementation functions */
152
153static void default_table_begin (struct ui_out *uiout, int nbrofcols,
154 int nr_rows, const char *tblid);
155static void default_table_body (struct ui_out *uiout);
156static void default_table_end (struct ui_out *uiout);
157static void default_table_header (struct ui_out *uiout, int width,
158 enum ui_align alig, const char *col_name,
159 const char *colhdr);
160static void default_begin (struct ui_out *uiout,
161 enum ui_out_type type,
162 int level, const char *id);
163static void default_end (struct ui_out *uiout,
164 enum ui_out_type type,
165 int level);
166static void default_field_int (struct ui_out *uiout, int fldno, int width,
167 enum ui_align alig,
168 const char *fldname,
169 int value);
170static void default_field_skip (struct ui_out *uiout, int fldno, int width,
171 enum ui_align alig,
172 const char *fldname);
173static void default_field_string (struct ui_out *uiout, int fldno, int width,
174 enum ui_align align,
175 const char *fldname,
176 const char *string);
177static void default_field_fmt (struct ui_out *uiout, int fldno,
178 int width, enum ui_align align,
179 const char *fldname,
180 const char *format,
181 va_list args);
182static void default_spaces (struct ui_out *uiout, int numspaces);
183static void default_text (struct ui_out *uiout, const char *string);
184static void default_message (struct ui_out *uiout, int verbosity,
185 const char *format,
186 va_list args);
187static void default_wrap_hint (struct ui_out *uiout, char *identstring);
188static void default_flush (struct ui_out *uiout);
189
190/* This is the default ui-out implementation functions vector */
191
192struct ui_out_impl default_ui_out_impl =
193{
194 default_table_begin,
195 default_table_body,
196 default_table_end,
197 default_table_header,
198 default_begin,
199 default_end,
200 default_field_int,
201 default_field_skip,
202 default_field_string,
203 default_field_fmt,
204 default_spaces,
205 default_text,
206 default_message,
207 default_wrap_hint,
208 default_flush,
209 NULL((void*)0),
210 0, /* Does not need MI hacks. */
211};
212
213/* The default ui_out */
214
215struct ui_out def_uiout =
216{
217 0, /* flags */
218 &default_ui_out_impl, /* impl */
219};
220
221/* Pointer to current ui_out */
222/* FIXME: This should not be a global, but something passed down from main.c
223 or top.c */
224
225struct ui_out *uiout = &def_uiout;
226
227/* These are the interfaces to implementation functions */
228
229static void uo_table_begin (struct ui_out *uiout, int nbrofcols,
230 int nr_rows, const char *tblid);
231static void uo_table_body (struct ui_out *uiout);
232static void uo_table_end (struct ui_out *uiout);
233static void uo_table_header (struct ui_out *uiout, int width,
234 enum ui_align align, const char *col_name,
235 const char *colhdr);
236static void uo_begin (struct ui_out *uiout,
237 enum ui_out_type type,
238 int level, const char *id);
239static void uo_end (struct ui_out *uiout,
240 enum ui_out_type type,
241 int level);
242static void uo_field_int (struct ui_out *uiout, int fldno, int width,
243 enum ui_align align, const char *fldname, int value);
244static void uo_field_skip (struct ui_out *uiout, int fldno, int width,
245 enum ui_align align, const char *fldname);
246static void uo_field_string (struct ui_out *uiout, int fldno, int width,
247 enum ui_align align, const char *fldname,
248 const char *string);
249static void uo_field_fmt (struct ui_out *uiout, int fldno, int width,
250 enum ui_align align, const char *fldname,
251 const char *format, va_list args);
252static void uo_spaces (struct ui_out *uiout, int numspaces);
253static void uo_text (struct ui_out *uiout, const char *string);
254static void uo_message (struct ui_out *uiout, int verbosity,
255 const char *format, va_list args);
256static void uo_wrap_hint (struct ui_out *uiout, char *identstring);
257static void uo_flush (struct ui_out *uiout);
258static int uo_redirect (struct ui_out *uiout, struct ui_file *outstream);
259
260/* Prototypes for local functions */
261
262extern void _initialize_ui_out (void);
263static void append_header_to_list (struct ui_out *uiout, int width,
264 int alignment, const char *col_name,
265 const char *colhdr);
266static int get_next_header (struct ui_out *uiout, int *colno, int *width,
267 int *alignment, char **colhdr);
268static void clear_header_list (struct ui_out *uiout);
269static void verify_field (struct ui_out *uiout, int *fldno, int *width,
270 int *align);
271
272/* exported functions (ui_out API) */
273
274/* Mark beginning of a table */
275
276static void
277ui_out_table_begin (struct ui_out *uiout, int nbrofcols,
278 int nr_rows,
279 const char *tblid)
280{
281 if (uiout->table.flag)
282 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__282,
283 "tables cannot be nested; table_begin found before \
284previous table_end.");
285
286 uiout->table.flag = 1;
287 uiout->table.body_flag = 0;
288 uiout->table.entry_level = uiout->level + 1;
289 uiout->table.columns = nbrofcols;
290 if (tblid != NULL((void*)0))
291 uiout->table.id = xstrdup (tblid);
292 else
293 uiout->table.id = NULL((void*)0);
294 clear_header_list (uiout);
295
296 uo_table_begin (uiout, nbrofcols, nr_rows, uiout->table.id);
297}
298
299void
300ui_out_table_body (struct ui_out *uiout)
301{
302 if (!uiout->table.flag)
303 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__303,
304 "table_body outside a table is not valid; it must be \
305after a table_begin and before a table_end.");
306 if (uiout->table.body_flag)
307 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__307,
308 "extra table_body call not allowed; there must be \
309only one table_body after a table_begin and before a table_end.");
310 if (uiout->table.header_next->colno != uiout->table.columns)
311 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__311,
312 "number of headers differ from number of table \
313columns.");
314
315 uiout->table.body_flag = 1;
316 uiout->table.header_next = uiout->table.header_first;
317
318 uo_table_body (uiout);
319}
320
321static void
322ui_out_table_end (struct ui_out *uiout)
323{
324 if (!uiout->table.flag)
325 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__325,
326 "misplaced table_end or missing table_begin.");
327
328 uiout->table.entry_level = 0;
329 uiout->table.body_flag = 0;
330 uiout->table.flag = 0;
331
332 uo_table_end (uiout);
333
334 if (uiout->table.id)
335 xfree (uiout->table.id);
336 clear_header_list (uiout);
337}
338
339void
340ui_out_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
341 const char *col_name,
342 const char *colhdr)
343{
344 if (!uiout->table.flag || uiout->table.body_flag)
345 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__345,
346 "table header must be specified after table_begin \
347and before table_body.");
348
349 append_header_to_list (uiout, width, alignment, col_name, colhdr);
350
351 uo_table_header (uiout, width, alignment, col_name, colhdr);
352}
353
354static void
355do_cleanup_table_end (void *data)
356{
357 struct ui_out *ui_out = data;
358
359 ui_out_table_end (ui_out);
360}
361
362struct cleanup *
363make_cleanup_ui_out_table_begin_end (struct ui_out *ui_out, int nr_cols,
364 int nr_rows, const char *tblid)
365{
366 ui_out_table_begin (ui_out, nr_cols, nr_rows, tblid);
367 return make_cleanup (do_cleanup_table_end, ui_out);
368}
369
370void
371ui_out_begin (struct ui_out *uiout,
372 enum ui_out_type type,
373 const char *id)
374{
375 int new_level;
376 if (uiout->table.flag && !uiout->table.body_flag)
377 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__377,
378 "table header or table_body expected; lists must be \
379specified after table_body.");
380
381 /* Be careful to verify the ``field'' before the new tuple/list is
382 pushed onto the stack. That way the containing list/table/row is
383 verified and not the newly created tuple/list. This verification
384 is needed (at least) for the case where a table row entry
385 contains either a tuple/list. For that case bookkeeping such as
386 updating the column count or advancing to the next heading still
387 needs to be performed. */
388 {
389 int fldno;
390 int width;
391 int align;
392 verify_field (uiout, &fldno, &width, &align);
393 }
394
395 new_level = push_level (uiout, type, id);
396
397 /* If the push puts us at the same level as a table row entry, we've
398 got a new table row. Put the header pointer back to the start. */
399 if (uiout->table.body_flag
400 && uiout->table.entry_level == new_level)
401 uiout->table.header_next = uiout->table.header_first;
402
403 uo_begin (uiout, type, new_level, id);
404}
405
406void
407ui_out_end (struct ui_out *uiout,
408 enum ui_out_type type)
409{
410 int old_level = pop_level (uiout, type);
411 uo_end (uiout, type, old_level);
412}
413
414struct ui_out_end_cleanup_data
415{
416 struct ui_out *uiout;
417 enum ui_out_type type;
418};
419
420static void
421do_cleanup_end (void *data)
422{
423 struct ui_out_end_cleanup_data *end_cleanup_data = data;
424 ui_out_end (end_cleanup_data->uiout, end_cleanup_data->type);
425 xfree (end_cleanup_data);
426}
427
428static struct cleanup *
429make_cleanup_ui_out_end (struct ui_out *uiout,
430 enum ui_out_type type)
431{
432 struct ui_out_end_cleanup_data *end_cleanup_data;
433 end_cleanup_data = XMALLOC (struct ui_out_end_cleanup_data)((struct ui_out_end_cleanup_data*) xmalloc (sizeof (struct ui_out_end_cleanup_data
)));
434 end_cleanup_data->uiout = uiout;
435 end_cleanup_data->type = type;
436 return make_cleanup (do_cleanup_end, end_cleanup_data);
437}
438
439struct cleanup *
440make_cleanup_ui_out_tuple_begin_end (struct ui_out *uiout,
441 const char *id)
442{
443 ui_out_begin (uiout, ui_out_type_tuple, id);
444 return make_cleanup_ui_out_end (uiout, ui_out_type_tuple);
445}
446
447struct cleanup *
448make_cleanup_ui_out_list_begin_end (struct ui_out *uiout,
449 const char *id)
450{
451 ui_out_begin (uiout, ui_out_type_list, id);
452 return make_cleanup_ui_out_end (uiout, ui_out_type_list);
453}
454
455void
456ui_out_field_int (struct ui_out *uiout,
457 const char *fldname,
458 int value)
459{
460 int fldno;
461 int width;
462 int align;
463 struct ui_out_level *current = current_level (uiout);
Value stored to 'current' during its initialization is never read
464
465 verify_field (uiout, &fldno, &width, &align);
466
467 uo_field_int (uiout, fldno, width, align, fldname, value);
468}
469
470void
471ui_out_field_fmt_int (struct ui_out *uiout,
472 int input_width,
473 enum ui_align input_align,
474 const char *fldname,
475 int value)
476{
477 int fldno;
478 int width;
479 int align;
480 struct ui_out_level *current = current_level (uiout);
481
482 verify_field (uiout, &fldno, &width, &align);
483
484 uo_field_int (uiout, fldno, input_width, input_align, fldname, value);
485}
486
487void
488ui_out_field_core_addr (struct ui_out *uiout,
489 const char *fldname,
490 CORE_ADDR address)
491{
492 char addstr[20];
493
494 /* FIXME: cagney/2002-05-03: Need local_address_string() function
495 that returns the language localized string formatted to a width
496 based on TARGET_ADDR_BIT. */
497 /* print_address_numeric (address, 1, local_stream); */
498 if (TARGET_ADDR_BIT(gdbarch_addr_bit (current_gdbarch)) <= 32)
499 strcpy (addstr, hex_string_custom (address, 8));
500 else
501 strcpy (addstr, hex_string_custom (address, 16));
502
503 ui_out_field_string (uiout, fldname, addstr);
504}
505
506void
507ui_out_field_stream (struct ui_out *uiout,
508 const char *fldname,
509 struct ui_stream *buf)
510{
511 long length;
512 char *buffer = ui_file_xstrdup (buf->stream, &length);
513 struct cleanup *old_cleanup = make_cleanup (xfree, buffer);
514 if (length > 0)
515 ui_out_field_string (uiout, fldname, buffer);
516 else
517 ui_out_field_skip (uiout, fldname);
518 ui_file_rewind (buf->stream);
519 do_cleanups (old_cleanup);
520}
521
522/* used to ommit a field */
523
524void
525ui_out_field_skip (struct ui_out *uiout,
526 const char *fldname)
527{
528 int fldno;
529 int width;
530 int align;
531
532 verify_field (uiout, &fldno, &width, &align);
533
534 uo_field_skip (uiout, fldno, width, align, fldname);
535}
536
537void
538ui_out_field_string (struct ui_out *uiout,
539 const char *fldname,
540 const char *string)
541{
542 int fldno;
543 int width;
544 int align;
545
546 verify_field (uiout, &fldno, &width, &align);
547
548 uo_field_string (uiout, fldno, width, align, fldname, string);
549}
550
551/* VARARGS */
552void
553ui_out_field_fmt (struct ui_out *uiout,
554 const char *fldname,
555 const char *format, ...)
556{
557 va_list args;
558 int fldno;
559 int width;
560 int align;
561
562 /* will not align, but has to call anyway */
563 verify_field (uiout, &fldno, &width, &align);
564
565 va_start (args, format)__builtin_va_start(args, format);
566
567 uo_field_fmt (uiout, fldno, width, align, fldname, format, args);
568
569 va_end (args)__builtin_va_end(args);
570}
571
572void
573ui_out_spaces (struct ui_out *uiout, int numspaces)
574{
575 uo_spaces (uiout, numspaces);
576}
577
578void
579ui_out_text (struct ui_out *uiout,
580 const char *string)
581{
582 uo_text (uiout, string);
583}
584
585void
586ui_out_message (struct ui_out *uiout, int verbosity,
587 const char *format,...)
588{
589 va_list args;
590
591 va_start (args, format)__builtin_va_start(args, format);
592
593 uo_message (uiout, verbosity, format, args);
594
595 va_end (args)__builtin_va_end(args);
596}
597
598struct ui_stream *
599ui_out_stream_new (struct ui_out *uiout)
600{
601 struct ui_stream *tempbuf;
602
603 tempbuf = XMALLOC (struct ui_stream)((struct ui_stream*) xmalloc (sizeof (struct ui_stream)));
604 tempbuf->uiout = uiout;
605 tempbuf->stream = mem_fileopen ();
606 return tempbuf;
607}
608
609void
610ui_out_stream_delete (struct ui_stream *buf)
611{
612 ui_file_delete (buf->stream);
613 xfree (buf);
614}
615
616static void
617do_stream_delete (void *buf)
618{
619 ui_out_stream_delete (buf);
620}
621
622struct cleanup *
623make_cleanup_ui_out_stream_delete (struct ui_stream *buf)
624{
625 return make_cleanup (do_stream_delete, buf);
626}
627
628
629void
630ui_out_wrap_hint (struct ui_out *uiout, char *identstring)
631{
632 uo_wrap_hint (uiout, identstring);
633}
634
635void
636ui_out_flush (struct ui_out *uiout)
637{
638 uo_flush (uiout);
639}
640
641int
642ui_out_redirect (struct ui_out *uiout, struct ui_file *outstream)
643{
644 return uo_redirect (uiout, outstream);
645}
646
647/* set the flags specified by the mask given */
648int
649ui_out_set_flags (struct ui_out *uiout, int mask)
650{
651 int oldflags = uiout->flags;
652
653 uiout->flags |= mask;
654
655 return oldflags;
656}
657
658/* clear the flags specified by the mask given */
659int
660ui_out_clear_flags (struct ui_out *uiout, int mask)
661{
662 int oldflags = uiout->flags;
663
664 uiout->flags &= ~mask;
665
666 return oldflags;
667}
668
669/* test the flags against the mask given */
670int
671ui_out_test_flags (struct ui_out *uiout, int mask)
672{
673 return (uiout->flags & mask);
674}
675
676/* obtain the current verbosity level (as stablished by the
677 'set verbositylevel' command */
678
679int
680ui_out_get_verblvl (struct ui_out *uiout)
681{
682 /* FIXME: not implemented yet */
683 return 0;
684}
685
686#if 0
687void
688ui_out_result_begin (struct ui_out *uiout, char *class)
689{
690}
691
692void
693ui_out_result_end (struct ui_out *uiout)
694{
695}
696
697void
698ui_out_info_begin (struct ui_out *uiout, char *class)
699{
700}
701
702void
703ui_out_info_end (struct ui_out *uiout)
704{
705}
706
707void
708ui_out_notify_begin (struct ui_out *uiout, char *class)
709{
710}
711
712void
713ui_out_notify_end (struct ui_out *uiout)
714{
715}
716
717void
718ui_out_error_begin (struct ui_out *uiout, char *class)
719{
720}
721
722void
723ui_out_error_end (struct ui_out *uiout)
724{
725}
726#endif
727
728#if 0
729void
730gdb_error (ui_out * uiout, int severity, char *format,...)
731{
732 va_list args;
733}
734
735void
736gdb_query (struct ui_out *uiout, int qflags, char *qprompt)
737{
738}
739#endif
740
741int
742ui_out_is_mi_like_p (struct ui_out *uiout)
743{
744 return uiout->impl->is_mi_like_p;
745}
746
747/* default gdb-out hook functions */
748
749static void
750default_table_begin (struct ui_out *uiout, int nbrofcols,
751 int nr_rows,
752 const char *tblid)
753{
754}
755
756static void
757default_table_body (struct ui_out *uiout)
758{
759}
760
761static void
762default_table_end (struct ui_out *uiout)
763{
764}
765
766static void
767default_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
768 const char *col_name,
769 const char *colhdr)
770{
771}
772
773static void
774default_begin (struct ui_out *uiout,
775 enum ui_out_type type,
776 int level,
777 const char *id)
778{
779}
780
781static void
782default_end (struct ui_out *uiout,
783 enum ui_out_type type,
784 int level)
785{
786}
787
788static void
789default_field_int (struct ui_out *uiout, int fldno, int width,
790 enum ui_align align,
791 const char *fldname, int value)
792{
793}
794
795static void
796default_field_skip (struct ui_out *uiout, int fldno, int width,
797 enum ui_align align, const char *fldname)
798{
799}
800
801static void
802default_field_string (struct ui_out *uiout,
803 int fldno,
804 int width,
805 enum ui_align align,
806 const char *fldname,
807 const char *string)
808{
809}
810
811static void
812default_field_fmt (struct ui_out *uiout, int fldno, int width,
813 enum ui_align align,
814 const char *fldname,
815 const char *format,
816 va_list args)
817{
818}
819
820static void
821default_spaces (struct ui_out *uiout, int numspaces)
822{
823}
824
825static void
826default_text (struct ui_out *uiout, const char *string)
827{
828}
829
830static void
831default_message (struct ui_out *uiout, int verbosity,
832 const char *format,
833 va_list args)
834{
835}
836
837static void
838default_wrap_hint (struct ui_out *uiout, char *identstring)
839{
840}
841
842static void
843default_flush (struct ui_out *uiout)
844{
845}
846
847/* Interface to the implementation functions */
848
849void
850uo_table_begin (struct ui_out *uiout, int nbrofcols,
851 int nr_rows,
852 const char *tblid)
853{
854 if (!uiout->impl->table_begin)
855 return;
856 uiout->impl->table_begin (uiout, nbrofcols, nr_rows, tblid);
857}
858
859void
860uo_table_body (struct ui_out *uiout)
861{
862 if (!uiout->impl->table_body)
863 return;
864 uiout->impl->table_body (uiout);
865}
866
867void
868uo_table_end (struct ui_out *uiout)
869{
870 if (!uiout->impl->table_end)
871 return;
872 uiout->impl->table_end (uiout);
873}
874
875void
876uo_table_header (struct ui_out *uiout, int width, enum ui_align align,
877 const char *col_name,
878 const char *colhdr)
879{
880 if (!uiout->impl->table_header)
881 return;
882 uiout->impl->table_header (uiout, width, align, col_name, colhdr);
883}
884
885void
886uo_begin (struct ui_out *uiout,
887 enum ui_out_type type,
888 int level,
889 const char *id)
890{
891 if (uiout->impl->begin == NULL((void*)0))
892 return;
893 uiout->impl->begin (uiout, type, level, id);
894}
895
896void
897uo_end (struct ui_out *uiout,
898 enum ui_out_type type,
899 int level)
900{
901 if (uiout->impl->end == NULL((void*)0))
902 return;
903 uiout->impl->end (uiout, type, level);
904}
905
906void
907uo_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align align,
908 const char *fldname,
909 int value)
910{
911 if (!uiout->impl->field_int)
912 return;
913 uiout->impl->field_int (uiout, fldno, width, align, fldname, value);
914}
915
916void
917uo_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align align,
918 const char *fldname)
919{
920 if (!uiout->impl->field_skip)
921 return;
922 uiout->impl->field_skip (uiout, fldno, width, align, fldname);
923}
924
925void
926uo_field_string (struct ui_out *uiout, int fldno, int width,
927 enum ui_align align,
928 const char *fldname,
929 const char *string)
930{
931 if (!uiout->impl->field_string)
932 return;
933 uiout->impl->field_string (uiout, fldno, width, align, fldname, string);
934}
935
936void
937uo_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align,
938 const char *fldname,
939 const char *format,
940 va_list args)
941{
942 if (!uiout->impl->field_fmt)
943 return;
944 uiout->impl->field_fmt (uiout, fldno, width, align, fldname, format, args);
945}
946
947void
948uo_spaces (struct ui_out *uiout, int numspaces)
949{
950 if (!uiout->impl->spaces)
951 return;
952 uiout->impl->spaces (uiout, numspaces);
953}
954
955void
956uo_text (struct ui_out *uiout,
957 const char *string)
958{
959 if (!uiout->impl->text)
960 return;
961 uiout->impl->text (uiout, string);
962}
963
964void
965uo_message (struct ui_out *uiout, int verbosity,
966 const char *format,
967 va_list args)
968{
969 if (!uiout->impl->message)
970 return;
971 uiout->impl->message (uiout, verbosity, format, args);
972}
973
974void
975uo_wrap_hint (struct ui_out *uiout, char *identstring)
976{
977 if (!uiout->impl->wrap_hint)
978 return;
979 uiout->impl->wrap_hint (uiout, identstring);
980}
981
982void
983uo_flush (struct ui_out *uiout)
984{
985 if (!uiout->impl->flush)
986 return;
987 uiout->impl->flush (uiout);
988}
989
990int
991uo_redirect (struct ui_out *uiout, struct ui_file *outstream)
992{
993 if (!uiout->impl->redirect)
994 return -1;
995 uiout->impl->redirect (uiout, outstream);
996 return 0;
997}
998
999/* local functions */
1000
1001/* list of column headers manipulation routines */
1002
1003static void
1004clear_header_list (struct ui_out *uiout)
1005{
1006 while (uiout->table.header_first != NULL((void*)0))
1007 {
1008 uiout->table.header_next = uiout->table.header_first;
1009 uiout->table.header_first = uiout->table.header_first->next;
1010 if (uiout->table.header_next->colhdr != NULL((void*)0))
1011 xfree (uiout->table.header_next->colhdr);
1012 xfree (uiout->table.header_next);
1013 }
1014 gdb_assert (uiout->table.header_first == NULL)((void) ((uiout->table.header_first == ((void*)0)) ? 0 : (
internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c",
1014, "%s: Assertion `%s' failed.", __PRETTY_FUNCTION__, "uiout->table.header_first == NULL"
), 0)));
1015 uiout->table.header_last = NULL((void*)0);
1016 uiout->table.header_next = NULL((void*)0);
1017}
1018
1019static void
1020append_header_to_list (struct ui_out *uiout,
1021 int width,
1022 int alignment,
1023 const char *col_name,
1024 const char *colhdr)
1025{
1026 struct ui_out_hdr *temphdr;
1027
1028 temphdr = XMALLOC (struct ui_out_hdr)((struct ui_out_hdr*) xmalloc (sizeof (struct ui_out_hdr)));
1029 temphdr->width = width;
1030 temphdr->alignment = alignment;
1031 /* we have to copy the column title as the original may be an automatic */
1032 if (colhdr != NULL((void*)0))
1033 temphdr->colhdr = xstrdup (colhdr);
1034 else
1035 temphdr->colhdr = NULL((void*)0);
1036 if (col_name != NULL((void*)0))
1037 temphdr->col_name = xstrdup (colhdr);
1038 else
1039 temphdr->col_name = xstrdup (colhdr);
1040 temphdr->next = NULL((void*)0);
1041 if (uiout->table.header_first == NULL((void*)0))
1042 {
1043 temphdr->colno = 1;
1044 uiout->table.header_first = temphdr;
1045 uiout->table.header_last = temphdr;
1046 }
1047 else
1048 {
1049 temphdr->colno = uiout->table.header_last->colno + 1;
1050 uiout->table.header_last->next = temphdr;
1051 uiout->table.header_last = temphdr;
1052 }
1053 uiout->table.header_next = uiout->table.header_last;
1054}
1055
1056/* Extract the format information for the NEXT header and and advance
1057 the header pointer. Return 0 if there was no next header. */
1058
1059static int
1060get_next_header (struct ui_out *uiout,
1061 int *colno,
1062 int *width,
1063 int *alignment,
1064 char **colhdr)
1065{
1066 /* There may be no headers at all or we may have used all columns. */
1067 if (uiout->table.header_next == NULL((void*)0))
1068 return 0;
1069 *colno = uiout->table.header_next->colno;
1070 *width = uiout->table.header_next->width;
1071 *alignment = uiout->table.header_next->alignment;
1072 *colhdr = uiout->table.header_next->colhdr;
1073 /* Advance the header pointer to the next entry. */
1074 uiout->table.header_next = uiout->table.header_next->next;
1075 return 1;
1076}
1077
1078
1079/* Verify that the field/tuple/list is correctly positioned. Return
1080 the field number and corresponding alignment (if
1081 available/applicable). */
1082
1083static void
1084verify_field (struct ui_out *uiout, int *fldno, int *width, int *align)
1085{
1086 struct ui_out_level *current = current_level (uiout);
1087 char *text;
1088
1089 if (uiout->table.flag)
1090 {
1091 if (!uiout->table.body_flag)
1092 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__1092,
1093 "table_body missing; table fields must be \
1094specified after table_body and inside a list.");
1095 /* NOTE: cagney/2001-12-08: There was a check here to ensure
1096 that this code was only executed when uiout->level was
1097 greater than zero. That no longer applies - this code is run
1098 before each table row tuple is started and at that point the
1099 level is zero. */
1100 }
1101
1102 current->field_count += 1;
1103
1104 if (uiout->table.body_flag
1105 && uiout->table.entry_level == uiout->level
1106 && get_next_header (uiout, fldno, width, align, &text))
1107 {
1108 if (*fldno != current->field_count)
1109 internal_error (__FILE__"/usr/src/gnu/usr.bin/binutils/gdb/ui-out.c", __LINE__1109,
1110 "ui-out internal error in handling headers.");
1111 }
1112 else
1113 {
1114 *width = 0;
1115 *align = ui_noalign;
1116 *fldno = current->field_count;
1117 }
1118}
1119
1120
1121/* access to ui_out format private members */
1122
1123void
1124ui_out_get_field_separator (struct ui_out *uiout)
1125{
1126}
1127
1128/* Access to ui-out members data */
1129
1130struct ui_out_data *
1131ui_out_data (struct ui_out *uiout)
1132{
1133 return uiout->data;
1134}
1135
1136/* initalize private members at startup */
1137
1138struct ui_out *
1139ui_out_new (struct ui_out_impl *impl,
1140 struct ui_out_data *data,
1141 int flags)
1142{
1143 struct ui_out *uiout = XMALLOC (struct ui_out)((struct ui_out*) xmalloc (sizeof (struct ui_out)));
1144 uiout->data = data;
1145 uiout->impl = impl;
1146 uiout->flags = flags;
1147 uiout->table.flag = 0;
1148 uiout->table.body_flag = 0;
1149 uiout->level = 0;
1150 memset (uiout->levels, 0, sizeof (uiout->levels));
1151 uiout->table.header_first = NULL((void*)0);
1152 uiout->table.header_last = NULL((void*)0);
1153 uiout->table.header_next = NULL((void*)0);
1154 return uiout;
1155}
1156
1157/* standard gdb initialization hook */
1158
1159void
1160_initialize_ui_out (void)
1161{
1162 /* nothing needs to be done */
1163}