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2611b1a5 | 1 | /* Output generating routines for GDB CLI. |
349c5d5f | 2 | |
1248ede2 AC |
3 | Copyright 1999, 2000, 2001, 2002, 2003 Free Software Foundation, |
4 | Inc. | |
349c5d5f | 5 | |
2611b1a5 SC |
6 | Contributed by Cygnus Solutions. |
7 | Written by Fernando Nasser for Cygnus. | |
8 | ||
9 | This file is part of GDB. | |
10 | ||
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. | |
15 | ||
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. | |
20 | ||
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., 59 Temple Place - Suite 330, | |
24 | Boston, MA 02111-1307, USA. */ | |
25 | ||
26 | #include "defs.h" | |
27 | #include "ui-out.h" | |
28 | #include "tui.h" | |
29 | #include "gdb_string.h" | |
30 | #include "gdb_assert.h" | |
31 | ||
2611b1a5 SC |
32 | struct ui_out_data |
33 | { | |
34 | struct ui_file *stream; | |
35 | int suppress_output; | |
36 | int line; | |
37 | int start_of_line; | |
38 | }; | |
d1dab75a | 39 | typedef struct ui_out_data tui_out_data; |
2611b1a5 SC |
40 | |
41 | /* These are the CLI output functions */ | |
42 | ||
43 | static void tui_table_begin (struct ui_out *uiout, int nbrofcols, | |
44 | int nr_rows, const char *tblid); | |
45 | static void tui_table_body (struct ui_out *uiout); | |
46 | static void tui_table_end (struct ui_out *uiout); | |
47 | static void tui_table_header (struct ui_out *uiout, int width, | |
48 | enum ui_align alig, const char *col_name, | |
49 | const char *colhdr); | |
50 | static void tui_begin (struct ui_out *uiout, enum ui_out_type type, | |
51 | int level, const char *lstid); | |
52 | static void tui_end (struct ui_out *uiout, enum ui_out_type type, int level); | |
53 | static void tui_field_int (struct ui_out *uiout, int fldno, int width, | |
54 | enum ui_align alig, const char *fldname, int value); | |
55 | static void tui_field_skip (struct ui_out *uiout, int fldno, int width, | |
56 | enum ui_align alig, const char *fldname); | |
57 | static void tui_field_string (struct ui_out *uiout, int fldno, int width, | |
58 | enum ui_align alig, const char *fldname, | |
59 | const char *string); | |
60 | static void tui_field_fmt (struct ui_out *uiout, int fldno, | |
61 | int width, enum ui_align align, | |
62 | const char *fldname, const char *format, | |
63 | va_list args); | |
64 | static void tui_spaces (struct ui_out *uiout, int numspaces); | |
65 | static void tui_text (struct ui_out *uiout, const char *string); | |
66 | static void tui_message (struct ui_out *uiout, int verbosity, | |
67 | const char *format, va_list args); | |
68 | static void tui_wrap_hint (struct ui_out *uiout, char *identstring); | |
69 | static void tui_flush (struct ui_out *uiout); | |
70 | ||
71 | /* This is the CLI ui-out implementation functions vector */ | |
72 | ||
73 | /* FIXME: This can be initialized dynamically after default is set to | |
74 | handle initial output in main.c */ | |
75 | ||
76 | static struct ui_out_impl tui_ui_out_impl = | |
77 | { | |
78 | tui_table_begin, | |
79 | tui_table_body, | |
80 | tui_table_end, | |
81 | tui_table_header, | |
82 | tui_begin, | |
83 | tui_end, | |
84 | tui_field_int, | |
85 | tui_field_skip, | |
86 | tui_field_string, | |
87 | tui_field_fmt, | |
88 | tui_spaces, | |
89 | tui_text, | |
90 | tui_message, | |
91 | tui_wrap_hint, | |
92 | tui_flush, | |
93 | 0, /* Does not need MI hacks (i.e. needs CLI hacks). */ | |
94 | }; | |
95 | ||
96 | /* Prototypes for local functions */ | |
97 | ||
98 | extern void _initialize_tui_out (void); | |
99 | ||
100 | static void field_separator (void); | |
101 | ||
102 | static void out_field_fmt (struct ui_out *uiout, int fldno, | |
103 | const char *fldname, | |
104 | const char *format,...); | |
105 | ||
106 | /* local variables */ | |
107 | ||
108 | /* (none yet) */ | |
109 | ||
110 | /* Mark beginning of a table */ | |
111 | ||
112 | void | |
113 | tui_table_begin (struct ui_out *uiout, int nbrofcols, | |
114 | int nr_rows, | |
115 | const char *tblid) | |
116 | { | |
1248ede2 | 117 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
118 | if (nr_rows == 0) |
119 | data->suppress_output = 1; | |
120 | else | |
121 | /* Only the table suppresses the output and, fortunatly, a table | |
122 | is not a recursive data structure. */ | |
123 | gdb_assert (data->suppress_output == 0); | |
124 | } | |
125 | ||
126 | /* Mark beginning of a table body */ | |
127 | ||
128 | void | |
129 | tui_table_body (struct ui_out *uiout) | |
130 | { | |
1248ede2 | 131 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
132 | if (data->suppress_output) |
133 | return; | |
134 | /* first, close the table header line */ | |
135 | tui_text (uiout, "\n"); | |
136 | } | |
137 | ||
138 | /* Mark end of a table */ | |
139 | ||
140 | void | |
141 | tui_table_end (struct ui_out *uiout) | |
142 | { | |
1248ede2 | 143 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
144 | data->suppress_output = 0; |
145 | } | |
146 | ||
147 | /* Specify table header */ | |
148 | ||
149 | void | |
150 | tui_table_header (struct ui_out *uiout, int width, enum ui_align alignment, | |
151 | const char *col_name, | |
152 | const char *colhdr) | |
153 | { | |
1248ede2 | 154 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
155 | if (data->suppress_output) |
156 | return; | |
157 | tui_field_string (uiout, 0, width, alignment, 0, colhdr); | |
158 | } | |
159 | ||
160 | /* Mark beginning of a list */ | |
161 | ||
162 | void | |
163 | tui_begin (struct ui_out *uiout, | |
164 | enum ui_out_type type, | |
165 | int level, | |
166 | const char *id) | |
167 | { | |
1248ede2 | 168 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
169 | if (data->suppress_output) |
170 | return; | |
171 | } | |
172 | ||
173 | /* Mark end of a list */ | |
174 | ||
175 | void | |
176 | tui_end (struct ui_out *uiout, | |
177 | enum ui_out_type type, | |
178 | int level) | |
179 | { | |
1248ede2 | 180 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
181 | if (data->suppress_output) |
182 | return; | |
183 | } | |
184 | ||
185 | /* output an int field */ | |
186 | ||
187 | void | |
188 | tui_field_int (struct ui_out *uiout, int fldno, int width, | |
189 | enum ui_align alignment, | |
190 | const char *fldname, int value) | |
191 | { | |
192 | char buffer[20]; /* FIXME: how many chars long a %d can become? */ | |
193 | ||
1248ede2 | 194 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
195 | if (data->suppress_output) |
196 | return; | |
197 | ||
198 | /* Don't print line number, keep it for later. */ | |
199 | if (data->start_of_line == 0 && strcmp (fldname, "line") == 0) | |
200 | { | |
201 | data->start_of_line ++; | |
202 | data->line = value; | |
203 | return; | |
204 | } | |
205 | data->start_of_line ++; | |
206 | sprintf (buffer, "%d", value); | |
207 | tui_field_string (uiout, fldno, width, alignment, fldname, buffer); | |
208 | } | |
209 | ||
210 | /* used to ommit a field */ | |
211 | ||
212 | void | |
213 | tui_field_skip (struct ui_out *uiout, int fldno, int width, | |
214 | enum ui_align alignment, | |
215 | const char *fldname) | |
216 | { | |
1248ede2 | 217 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
218 | if (data->suppress_output) |
219 | return; | |
220 | tui_field_string (uiout, fldno, width, alignment, fldname, ""); | |
221 | } | |
222 | ||
223 | /* other specific tui_field_* end up here so alignment and field | |
224 | separators are both handled by tui_field_string */ | |
225 | ||
226 | void | |
227 | tui_field_string (struct ui_out *uiout, | |
228 | int fldno, | |
229 | int width, | |
230 | enum ui_align align, | |
231 | const char *fldname, | |
232 | const char *string) | |
233 | { | |
234 | int before = 0; | |
235 | int after = 0; | |
236 | ||
1248ede2 | 237 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
238 | if (data->suppress_output) |
239 | return; | |
240 | ||
241 | if (fldname && data->line > 0 && strcmp (fldname, "file") == 0) | |
242 | { | |
243 | data->start_of_line ++; | |
244 | if (data->line > 0) | |
245 | { | |
246 | tui_show_source (string, data->line); | |
247 | } | |
248 | return; | |
249 | } | |
250 | ||
251 | data->start_of_line ++; | |
252 | if ((align != ui_noalign) && string) | |
253 | { | |
254 | before = width - strlen (string); | |
255 | if (before <= 0) | |
256 | before = 0; | |
257 | else | |
258 | { | |
259 | if (align == ui_right) | |
260 | after = 0; | |
261 | else if (align == ui_left) | |
262 | { | |
263 | after = before; | |
264 | before = 0; | |
265 | } | |
266 | else | |
267 | /* ui_center */ | |
268 | { | |
269 | after = before / 2; | |
270 | before -= after; | |
271 | } | |
272 | } | |
273 | } | |
274 | ||
275 | if (before) | |
276 | ui_out_spaces (uiout, before); | |
277 | if (string) | |
278 | out_field_fmt (uiout, fldno, fldname, "%s", string); | |
279 | if (after) | |
280 | ui_out_spaces (uiout, after); | |
281 | ||
282 | if (align != ui_noalign) | |
283 | field_separator (); | |
284 | } | |
285 | ||
286 | /* This is the only field function that does not align */ | |
287 | ||
288 | void | |
289 | tui_field_fmt (struct ui_out *uiout, int fldno, | |
290 | int width, enum ui_align align, | |
291 | const char *fldname, | |
292 | const char *format, | |
293 | va_list args) | |
294 | { | |
1248ede2 | 295 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
296 | if (data->suppress_output) |
297 | return; | |
298 | ||
299 | data->start_of_line ++; | |
300 | vfprintf_filtered (data->stream, format, args); | |
301 | ||
302 | if (align != ui_noalign) | |
303 | field_separator (); | |
304 | } | |
305 | ||
306 | void | |
307 | tui_spaces (struct ui_out *uiout, int numspaces) | |
308 | { | |
1248ede2 | 309 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
310 | if (data->suppress_output) |
311 | return; | |
312 | print_spaces_filtered (numspaces, data->stream); | |
313 | } | |
314 | ||
315 | void | |
316 | tui_text (struct ui_out *uiout, const char *string) | |
317 | { | |
1248ede2 | 318 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
319 | if (data->suppress_output) |
320 | return; | |
321 | data->start_of_line ++; | |
322 | if (data->line > 0) | |
323 | { | |
324 | if (strchr (string, '\n') != 0) | |
325 | { | |
326 | data->line = -1; | |
327 | data->start_of_line = 0; | |
328 | } | |
329 | return; | |
330 | } | |
331 | if (strchr (string, '\n')) | |
332 | data->start_of_line = 0; | |
333 | fputs_filtered (string, data->stream); | |
334 | } | |
335 | ||
336 | void | |
337 | tui_message (struct ui_out *uiout, int verbosity, | |
338 | const char *format, va_list args) | |
339 | { | |
1248ede2 | 340 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
341 | if (data->suppress_output) |
342 | return; | |
343 | if (ui_out_get_verblvl (uiout) >= verbosity) | |
344 | vfprintf_unfiltered (data->stream, format, args); | |
345 | } | |
346 | ||
347 | void | |
348 | tui_wrap_hint (struct ui_out *uiout, char *identstring) | |
349 | { | |
1248ede2 | 350 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
351 | if (data->suppress_output) |
352 | return; | |
353 | wrap_here (identstring); | |
354 | } | |
355 | ||
356 | void | |
357 | tui_flush (struct ui_out *uiout) | |
358 | { | |
1248ede2 | 359 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
360 | gdb_flush (data->stream); |
361 | } | |
362 | ||
363 | /* local functions */ | |
364 | ||
365 | /* Like tui_field_fmt, but takes a variable number of args | |
366 | and makes a va_list and does not insert a separator */ | |
367 | ||
368 | /* VARARGS */ | |
369 | static void | |
370 | out_field_fmt (struct ui_out *uiout, int fldno, | |
371 | const char *fldname, | |
372 | const char *format,...) | |
373 | { | |
1248ede2 | 374 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
375 | va_list args; |
376 | ||
377 | va_start (args, format); | |
378 | vfprintf_filtered (data->stream, format, args); | |
379 | ||
380 | va_end (args); | |
381 | } | |
382 | ||
383 | /* access to ui_out format private members */ | |
384 | ||
385 | static void | |
386 | field_separator (void) | |
387 | { | |
1248ede2 | 388 | tui_out_data *data = ui_out_data (uiout); |
2611b1a5 SC |
389 | fputc_filtered (' ', data->stream); |
390 | } | |
391 | ||
392 | /* initalize private members at startup */ | |
393 | ||
394 | struct ui_out * | |
395 | tui_out_new (struct ui_file *stream) | |
396 | { | |
397 | int flags = 0; | |
398 | ||
1248ede2 | 399 | tui_out_data *data = XMALLOC (tui_out_data); |
2611b1a5 SC |
400 | data->stream = stream; |
401 | data->suppress_output = 0; | |
402 | data->line = -1; | |
27229e99 | 403 | data->start_of_line = 0; |
2611b1a5 SC |
404 | return ui_out_new (&tui_ui_out_impl, data, flags); |
405 | } | |
406 | ||
407 | /* standard gdb initialization hook */ | |
408 | void | |
409 | _initialize_tui_out (void) | |
410 | { | |
411 | /* nothing needs to be done */ | |
412 | } |