1 /* Output generating routines for GDB CLI.
2 Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
3 Contributed by Cygnus Solutions.
4 Written by Fernando Nasser for Cygnus.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
26 #include "gdb_string.h"
27 #include "gdb_assert.h"
29 /* Convenience macro for allocting typesafe memory. */
32 #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
37 struct ui_file *stream;
43 /* These are the CLI output functions */
45 static void tui_table_begin (struct ui_out *uiout, int nbrofcols,
46 int nr_rows, const char *tblid);
47 static void tui_table_body (struct ui_out *uiout);
48 static void tui_table_end (struct ui_out *uiout);
49 static void tui_table_header (struct ui_out *uiout, int width,
50 enum ui_align alig, const char *col_name,
52 static void tui_begin (struct ui_out *uiout, enum ui_out_type type,
53 int level, const char *lstid);
54 static void tui_end (struct ui_out *uiout, enum ui_out_type type, int level);
55 static void tui_field_int (struct ui_out *uiout, int fldno, int width,
56 enum ui_align alig, const char *fldname, int value);
57 static void tui_field_skip (struct ui_out *uiout, int fldno, int width,
58 enum ui_align alig, const char *fldname);
59 static void tui_field_string (struct ui_out *uiout, int fldno, int width,
60 enum ui_align alig, const char *fldname,
62 static void tui_field_fmt (struct ui_out *uiout, int fldno,
63 int width, enum ui_align align,
64 const char *fldname, const char *format,
66 static void tui_spaces (struct ui_out *uiout, int numspaces);
67 static void tui_text (struct ui_out *uiout, const char *string);
68 static void tui_message (struct ui_out *uiout, int verbosity,
69 const char *format, va_list args);
70 static void tui_wrap_hint (struct ui_out *uiout, char *identstring);
71 static void tui_flush (struct ui_out *uiout);
73 /* This is the CLI ui-out implementation functions vector */
75 /* FIXME: This can be initialized dynamically after default is set to
76 handle initial output in main.c */
78 static struct ui_out_impl tui_ui_out_impl =
95 0, /* Does not need MI hacks (i.e. needs CLI hacks). */
98 /* Prototypes for local functions */
100 extern void _initialize_tui_out (void);
102 static void field_separator (void);
104 static void out_field_fmt (struct ui_out *uiout, int fldno,
106 const char *format,...);
108 /* local variables */
112 /* Mark beginning of a table */
115 tui_table_begin (struct ui_out *uiout, int nbrofcols,
119 struct ui_out_data *data = ui_out_data (uiout);
121 data->suppress_output = 1;
123 /* Only the table suppresses the output and, fortunatly, a table
124 is not a recursive data structure. */
125 gdb_assert (data->suppress_output == 0);
128 /* Mark beginning of a table body */
131 tui_table_body (struct ui_out *uiout)
133 struct ui_out_data *data = ui_out_data (uiout);
134 if (data->suppress_output)
136 /* first, close the table header line */
137 tui_text (uiout, "\n");
140 /* Mark end of a table */
143 tui_table_end (struct ui_out *uiout)
145 struct ui_out_data *data = ui_out_data (uiout);
146 data->suppress_output = 0;
149 /* Specify table header */
152 tui_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
153 const char *col_name,
156 struct ui_out_data *data = ui_out_data (uiout);
157 if (data->suppress_output)
159 tui_field_string (uiout, 0, width, alignment, 0, colhdr);
162 /* Mark beginning of a list */
165 tui_begin (struct ui_out *uiout,
166 enum ui_out_type type,
170 struct ui_out_data *data = ui_out_data (uiout);
171 if (data->suppress_output)
175 /* Mark end of a list */
178 tui_end (struct ui_out *uiout,
179 enum ui_out_type type,
182 struct ui_out_data *data = ui_out_data (uiout);
183 if (data->suppress_output)
187 /* output an int field */
190 tui_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 struct ui_out_data *data = ui_out_data (uiout);
197 if (data->suppress_output)
200 /* Don't print line number, keep it for later. */
201 if (data->start_of_line == 0 && strcmp (fldname, "line") == 0)
203 data->start_of_line ++;
207 data->start_of_line ++;
208 sprintf (buffer, "%d", value);
209 tui_field_string (uiout, fldno, width, alignment, fldname, buffer);
212 /* used to ommit a field */
215 tui_field_skip (struct ui_out *uiout, int fldno, int width,
216 enum ui_align alignment,
219 struct ui_out_data *data = ui_out_data (uiout);
220 if (data->suppress_output)
222 tui_field_string (uiout, fldno, width, alignment, fldname, "");
225 /* other specific tui_field_* end up here so alignment and field
226 separators are both handled by tui_field_string */
229 tui_field_string (struct ui_out *uiout,
239 struct ui_out_data *data = ui_out_data (uiout);
240 if (data->suppress_output)
243 if (fldname && data->line > 0 && strcmp (fldname, "file") == 0)
245 data->start_of_line ++;
248 tui_show_source (string, data->line);
253 data->start_of_line ++;
254 if ((align != ui_noalign) && string)
256 before = width - strlen (string);
261 if (align == ui_right)
263 else if (align == ui_left)
278 ui_out_spaces (uiout, before);
280 out_field_fmt (uiout, fldno, fldname, "%s", string);
282 ui_out_spaces (uiout, after);
284 if (align != ui_noalign)
288 /* This is the only field function that does not align */
291 tui_field_fmt (struct ui_out *uiout, int fldno,
292 int width, enum ui_align align,
297 struct ui_out_data *data = ui_out_data (uiout);
298 if (data->suppress_output)
301 data->start_of_line ++;
302 vfprintf_filtered (data->stream, format, args);
304 if (align != ui_noalign)
309 tui_spaces (struct ui_out *uiout, int numspaces)
311 struct ui_out_data *data = ui_out_data (uiout);
312 if (data->suppress_output)
314 print_spaces_filtered (numspaces, data->stream);
318 tui_text (struct ui_out *uiout, const char *string)
320 struct ui_out_data *data = ui_out_data (uiout);
321 if (data->suppress_output)
323 data->start_of_line ++;
326 if (strchr (string, '\n') != 0)
329 data->start_of_line = 0;
333 if (strchr (string, '\n'))
334 data->start_of_line = 0;
335 fputs_filtered (string, data->stream);
339 tui_message (struct ui_out *uiout, int verbosity,
340 const char *format, va_list args)
342 struct ui_out_data *data = ui_out_data (uiout);
343 if (data->suppress_output)
345 if (ui_out_get_verblvl (uiout) >= verbosity)
346 vfprintf_unfiltered (data->stream, format, args);
350 tui_wrap_hint (struct ui_out *uiout, char *identstring)
352 struct ui_out_data *data = ui_out_data (uiout);
353 if (data->suppress_output)
355 wrap_here (identstring);
359 tui_flush (struct ui_out *uiout)
361 struct ui_out_data *data = ui_out_data (uiout);
362 gdb_flush (data->stream);
365 /* local functions */
367 /* Like tui_field_fmt, but takes a variable number of args
368 and makes a va_list and does not insert a separator */
372 out_field_fmt (struct ui_out *uiout, int fldno,
374 const char *format,...)
376 struct ui_out_data *data = ui_out_data (uiout);
379 va_start (args, format);
380 vfprintf_filtered (data->stream, format, args);
385 /* access to ui_out format private members */
388 field_separator (void)
390 struct ui_out_data *data = ui_out_data (uiout);
391 fputc_filtered (' ', data->stream);
394 /* initalize private members at startup */
397 tui_out_new (struct ui_file *stream)
401 struct ui_out_data *data = XMALLOC (struct ui_out_data);
402 data->stream = stream;
403 data->suppress_output = 0;
405 data->start_of_line = 1;
406 return ui_out_new (&tui_ui_out_impl, data, flags);
409 /* standard gdb initialization hook */
411 _initialize_tui_out (void)
413 /* nothing needs to be done */