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