1 /* Output generating routines for GDB CLI.
3 Copyright (C) 1999, 2000, 2002, 2003, 2005
4 Free Software Foundation, Inc.
6 Contributed by Cygnus Solutions.
7 Written by Fernando Nasser for Cygnus.
9 This file is part of GDB.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 Boston, MA 02110-1301, USA. */
29 #include "gdb_string.h"
30 #include "gdb_assert.h"
34 struct ui_file *stream;
35 struct ui_file *original_stream;
38 typedef struct ui_out_data cli_out_data;
40 /* These are the CLI output functions */
42 static void cli_table_begin (struct ui_out *uiout, int nbrofcols,
43 int nr_rows, const char *tblid);
44 static void cli_table_body (struct ui_out *uiout);
45 static void cli_table_end (struct ui_out *uiout);
46 static void cli_table_header (struct ui_out *uiout, int width,
47 enum ui_align alig, const char *col_name,
49 static void cli_begin (struct ui_out *uiout, enum ui_out_type type,
50 int level, const char *lstid);
51 static void cli_end (struct ui_out *uiout, enum ui_out_type type, int level);
52 static void cli_field_int (struct ui_out *uiout, int fldno, int width,
53 enum ui_align alig, const char *fldname, int value);
54 static void cli_field_skip (struct ui_out *uiout, int fldno, int width,
55 enum ui_align alig, const char *fldname);
56 static void cli_field_string (struct ui_out *uiout, int fldno, int width,
57 enum ui_align alig, const char *fldname,
59 static void cli_field_fmt (struct ui_out *uiout, int fldno,
60 int width, enum ui_align align,
61 const char *fldname, const char *format,
62 va_list args) ATTR_FORMAT (printf, 6, 0);
63 static void cli_spaces (struct ui_out *uiout, int numspaces);
64 static void cli_text (struct ui_out *uiout, const char *string);
65 static void cli_message (struct ui_out *uiout, int verbosity,
66 const char *format, va_list args)
67 ATTR_FORMAT (printf, 3, 0);
68 static void cli_wrap_hint (struct ui_out *uiout, char *identstring);
69 static void cli_flush (struct ui_out *uiout);
70 static int cli_redirect (struct ui_out *uiout, struct ui_file *outstream);
72 /* This is the CLI ui-out implementation functions vector */
74 /* FIXME: This can be initialized dynamically after default is set to
75 handle initial output in main.c */
77 static struct ui_out_impl cli_ui_out_impl =
95 0, /* Does not need MI hacks (i.e. needs CLI hacks). */
98 /* Prototypes for local functions */
100 extern void _initialize_cli_out (void);
102 static void field_separator (void);
104 static void out_field_fmt (struct ui_out *uiout, int fldno,
106 const char *format,...) ATTR_FORMAT (printf, 4, 5);
108 /* local variables */
112 /* Mark beginning of a table */
115 cli_table_begin (struct ui_out *uiout, int nbrofcols,
119 cli_out_data *data = ui_out_data (uiout);
121 data->suppress_output = 1;
123 /* Only the table suppresses the output and, fortunately, a table
124 is not a recursive data structure. */
125 gdb_assert (data->suppress_output == 0);
128 /* Mark beginning of a table body */
131 cli_table_body (struct ui_out *uiout)
133 cli_out_data *data = ui_out_data (uiout);
134 if (data->suppress_output)
136 /* first, close the table header line */
137 cli_text (uiout, "\n");
140 /* Mark end of a table */
143 cli_table_end (struct ui_out *uiout)
145 cli_out_data *data = ui_out_data (uiout);
146 data->suppress_output = 0;
149 /* Specify table header */
152 cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
153 const char *col_name,
156 cli_out_data *data = ui_out_data (uiout);
157 if (data->suppress_output)
159 cli_field_string (uiout, 0, width, alignment, 0, colhdr);
162 /* Mark beginning of a list */
165 cli_begin (struct ui_out *uiout,
166 enum ui_out_type type,
170 cli_out_data *data = ui_out_data (uiout);
171 if (data->suppress_output)
175 /* Mark end of a list */
178 cli_end (struct ui_out *uiout,
179 enum ui_out_type type,
182 cli_out_data *data = ui_out_data (uiout);
183 if (data->suppress_output)
187 /* output an int field */
190 cli_field_int (struct ui_out *uiout, int fldno, int width,
191 enum ui_align alignment,
192 const char *fldname, int value)
194 char buffer[20]; /* FIXME: how many chars long a %d can become? */
196 cli_out_data *data = ui_out_data (uiout);
197 if (data->suppress_output)
199 sprintf (buffer, "%d", value);
200 cli_field_string (uiout, fldno, width, alignment, fldname, buffer);
203 /* used to ommit a field */
206 cli_field_skip (struct ui_out *uiout, int fldno, int width,
207 enum ui_align alignment,
210 cli_out_data *data = ui_out_data (uiout);
211 if (data->suppress_output)
213 cli_field_string (uiout, fldno, width, alignment, fldname, "");
216 /* other specific cli_field_* end up here so alignment and field
217 separators are both handled by cli_field_string */
220 cli_field_string (struct ui_out *uiout,
230 cli_out_data *data = ui_out_data (uiout);
231 if (data->suppress_output)
234 if ((align != ui_noalign) && string)
236 before = width - strlen (string);
241 if (align == ui_right)
243 else if (align == ui_left)
258 ui_out_spaces (uiout, before);
260 out_field_fmt (uiout, fldno, fldname, "%s", string);
262 ui_out_spaces (uiout, after);
264 if (align != ui_noalign)
268 /* This is the only field function that does not align. */
271 cli_field_fmt (struct ui_out *uiout, int fldno,
272 int width, enum ui_align align,
277 cli_out_data *data = ui_out_data (uiout);
278 if (data->suppress_output)
281 vfprintf_filtered (data->stream, format, args);
283 if (align != ui_noalign)
288 cli_spaces (struct ui_out *uiout, int numspaces)
290 cli_out_data *data = ui_out_data (uiout);
291 if (data->suppress_output)
293 print_spaces_filtered (numspaces, data->stream);
297 cli_text (struct ui_out *uiout, const char *string)
299 cli_out_data *data = ui_out_data (uiout);
300 if (data->suppress_output)
302 fputs_filtered (string, data->stream);
306 cli_message (struct ui_out *uiout, int verbosity,
307 const char *format, va_list args)
309 cli_out_data *data = ui_out_data (uiout);
310 if (data->suppress_output)
312 if (ui_out_get_verblvl (uiout) >= verbosity)
313 vfprintf_unfiltered (data->stream, format, args);
317 cli_wrap_hint (struct ui_out *uiout, char *identstring)
319 cli_out_data *data = ui_out_data (uiout);
320 if (data->suppress_output)
322 wrap_here (identstring);
326 cli_flush (struct ui_out *uiout)
328 cli_out_data *data = ui_out_data (uiout);
329 gdb_flush (data->stream);
333 cli_redirect (struct ui_out *uiout, struct ui_file *outstream)
335 struct ui_out_data *data = ui_out_data (uiout);
336 if (outstream != NULL)
338 data->original_stream = data->stream;
339 data->stream = outstream;
341 else if (data->original_stream != NULL)
343 data->stream = data->original_stream;
344 data->original_stream = NULL;
350 /* local functions */
352 /* Like cli_field_fmt, but takes a variable number of args
353 and makes a va_list and does not insert a separator. */
357 out_field_fmt (struct ui_out *uiout, int fldno,
359 const char *format,...)
361 cli_out_data *data = ui_out_data (uiout);
364 va_start (args, format);
365 vfprintf_filtered (data->stream, format, args);
370 /* Access to ui_out format private members. */
373 field_separator (void)
375 cli_out_data *data = ui_out_data (uiout);
376 fputc_filtered (' ', data->stream);
379 /* Initalize private members at startup. */
382 cli_out_new (struct ui_file *stream)
384 int flags = ui_source_list;
386 cli_out_data *data = XMALLOC (cli_out_data);
387 data->stream = stream;
388 data->original_stream = NULL;
389 data->suppress_output = 0;
390 return ui_out_new (&cli_ui_out_impl, data, flags);
394 cli_out_set_stream (struct ui_out *uiout, struct ui_file *stream)
396 cli_out_data *data = ui_out_data (uiout);
397 struct ui_file *old = data->stream;
398 data->stream = stream;
402 /* Standard gdb initialization hook. */
404 _initialize_cli_out (void)
406 /* nothing needs to be done */