1 /* Output generating routines for GDB CLI.
3 Copyright (C) 1999-2014 Free Software Foundation, Inc.
5 Contributed by Cygnus Solutions.
6 Written by Fernando Nasser for Cygnus.
8 This file is part of GDB.
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 3 of the License, or
13 (at your option) any later version.
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.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
28 typedef struct cli_ui_out_data cli_out_data;
31 /* Prototypes for local functions */
33 static void cli_text (struct ui_out *uiout, const char *string);
35 static void field_separator (void);
37 static void out_field_fmt (struct ui_out *uiout, int fldno,
39 const char *format,...) ATTRIBUTE_PRINTF (4, 5);
44 cli_uiout_dtor (struct ui_out *ui_out)
46 cli_out_data *data = ui_out_data (ui_out);
48 VEC_free (ui_filep, data->streams);
52 /* These are the CLI output functions */
54 /* Mark beginning of a table */
57 cli_table_begin (struct ui_out *uiout, int nbrofcols,
61 cli_out_data *data = ui_out_data (uiout);
64 data->suppress_output = 1;
66 /* Only the table suppresses the output and, fortunately, a table
67 is not a recursive data structure. */
68 gdb_assert (data->suppress_output == 0);
71 /* Mark beginning of a table body */
74 cli_table_body (struct ui_out *uiout)
76 cli_out_data *data = ui_out_data (uiout);
78 if (data->suppress_output)
80 /* first, close the table header line */
81 cli_text (uiout, "\n");
84 /* Mark end of a table */
87 cli_table_end (struct ui_out *uiout)
89 cli_out_data *data = ui_out_data (uiout);
91 data->suppress_output = 0;
94 /* Specify table header */
97 cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
101 cli_out_data *data = ui_out_data (uiout);
103 if (data->suppress_output)
106 /* Always go through the function pointer (virtual function call).
107 We may have been extended. */
108 uo_field_string (uiout, 0, width, alignment, 0, colhdr);
111 /* Mark beginning of a list */
114 cli_begin (struct ui_out *uiout,
115 enum ui_out_type type,
119 cli_out_data *data = ui_out_data (uiout);
121 if (data->suppress_output)
125 /* Mark end of a list */
128 cli_end (struct ui_out *uiout,
129 enum ui_out_type type,
132 cli_out_data *data = ui_out_data (uiout);
134 if (data->suppress_output)
138 /* output an int field */
141 cli_field_int (struct ui_out *uiout, int fldno, int width,
142 enum ui_align alignment,
143 const char *fldname, int value)
145 char buffer[20]; /* FIXME: how many chars long a %d can become? */
146 cli_out_data *data = ui_out_data (uiout);
148 if (data->suppress_output)
150 xsnprintf (buffer, sizeof (buffer), "%d", value);
152 /* Always go through the function pointer (virtual function call).
153 We may have been extended. */
154 uo_field_string (uiout, fldno, width, alignment, fldname, buffer);
157 /* used to ommit a field */
160 cli_field_skip (struct ui_out *uiout, int fldno, int width,
161 enum ui_align alignment,
164 cli_out_data *data = ui_out_data (uiout);
166 if (data->suppress_output)
169 /* Always go through the function pointer (virtual function call).
170 We may have been extended. */
171 uo_field_string (uiout, fldno, width, alignment, fldname, "");
174 /* other specific cli_field_* end up here so alignment and field
175 separators are both handled by cli_field_string */
178 cli_field_string (struct ui_out *uiout,
187 cli_out_data *data = ui_out_data (uiout);
189 if (data->suppress_output)
192 if ((align != ui_noalign) && string)
194 before = width - strlen (string);
199 if (align == ui_right)
201 else if (align == ui_left)
216 ui_out_spaces (uiout, before);
218 out_field_fmt (uiout, fldno, fldname, "%s", string);
220 ui_out_spaces (uiout, after);
222 if (align != ui_noalign)
226 /* This is the only field function that does not align. */
228 static void ATTRIBUTE_PRINTF (6, 0)
229 cli_field_fmt (struct ui_out *uiout, int fldno,
230 int width, enum ui_align align,
235 cli_out_data *data = ui_out_data (uiout);
236 struct ui_file *stream;
238 if (data->suppress_output)
241 stream = VEC_last (ui_filep, data->streams);
242 vfprintf_filtered (stream, format, args);
244 if (align != ui_noalign)
249 cli_spaces (struct ui_out *uiout, int numspaces)
251 cli_out_data *data = ui_out_data (uiout);
252 struct ui_file *stream;
254 if (data->suppress_output)
257 stream = VEC_last (ui_filep, data->streams);
258 print_spaces_filtered (numspaces, stream);
262 cli_text (struct ui_out *uiout, const char *string)
264 cli_out_data *data = ui_out_data (uiout);
265 struct ui_file *stream;
267 if (data->suppress_output)
270 stream = VEC_last (ui_filep, data->streams);
271 fputs_filtered (string, stream);
274 static void ATTRIBUTE_PRINTF (3, 0)
275 cli_message (struct ui_out *uiout, int verbosity,
276 const char *format, va_list args)
278 cli_out_data *data = ui_out_data (uiout);
280 if (data->suppress_output)
283 if (ui_out_get_verblvl (uiout) >= verbosity)
285 struct ui_file *stream = VEC_last (ui_filep, data->streams);
287 vfprintf_unfiltered (stream, format, args);
292 cli_wrap_hint (struct ui_out *uiout, char *identstring)
294 cli_out_data *data = ui_out_data (uiout);
296 if (data->suppress_output)
298 wrap_here (identstring);
302 cli_flush (struct ui_out *uiout)
304 cli_out_data *data = ui_out_data (uiout);
305 struct ui_file *stream = VEC_last (ui_filep, data->streams);
310 /* OUTSTREAM as non-NULL will push OUTSTREAM on the stack of output streams
311 and make it therefore active. OUTSTREAM as NULL will pop the last pushed
312 output stream; it is an internal error if it does not exist. */
315 cli_redirect (struct ui_out *uiout, struct ui_file *outstream)
317 cli_out_data *data = ui_out_data (uiout);
319 if (outstream != NULL)
320 VEC_safe_push (ui_filep, data->streams, outstream);
322 VEC_pop (ui_filep, data->streams);
327 /* local functions */
329 /* Like cli_field_fmt, but takes a variable number of args
330 and makes a va_list and does not insert a separator. */
334 out_field_fmt (struct ui_out *uiout, int fldno,
336 const char *format,...)
338 cli_out_data *data = ui_out_data (uiout);
339 struct ui_file *stream = VEC_last (ui_filep, data->streams);
342 va_start (args, format);
343 vfprintf_filtered (stream, format, args);
348 /* Access to ui_out format private members. */
351 field_separator (void)
353 cli_out_data *data = ui_out_data (current_uiout);
354 struct ui_file *stream = VEC_last (ui_filep, data->streams);
356 fputc_filtered (' ', stream);
359 /* This is the CLI ui-out implementation functions vector */
361 const struct ui_out_impl cli_ui_out_impl =
380 0, /* Does not need MI hacks (i.e. needs CLI hacks). */
383 /* Constructor for a `cli_out_data' object. */
386 cli_out_data_ctor (cli_out_data *self, struct ui_file *stream)
388 gdb_assert (stream != NULL);
390 self->streams = NULL;
391 VEC_safe_push (ui_filep, self->streams, stream);
393 self->suppress_output = 0;
396 /* Initialize private members at startup. */
399 cli_out_new (struct ui_file *stream)
401 int flags = ui_source_list;
402 cli_out_data *data = XNEW (cli_out_data);
404 cli_out_data_ctor (data, stream);
405 return ui_out_new (&cli_ui_out_impl, data, flags);
409 cli_out_set_stream (struct ui_out *uiout, struct ui_file *stream)
411 cli_out_data *data = ui_out_data (uiout);
414 old = VEC_pop (ui_filep, data->streams);
415 VEC_quick_push (ui_filep, data->streams, stream);