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8b93c638 JM |
1 | /* Output generating routines for GDB CLI. |
2 | Copyright 1999-2000 Free Software Foundation, Inc. | |
3 | Contributed by Cygnus Solutions. | |
4 | Written by Fernando Nasser for Cygnus. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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. */ | |
22 | ||
23 | #include "defs.h" | |
24 | #include "ui-out.h" | |
25 | #include "cli-out.h" | |
1d1358b6 | 26 | #include "gdb_string.h" |
8b93c638 JM |
27 | |
28 | /* Convenience macro for allocting typesafe memory. */ | |
29 | ||
30 | #ifndef XMALLOC | |
31 | #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) | |
32 | #endif | |
33 | ||
34 | struct ui_out_data | |
35 | { | |
36 | struct ui_file *stream; | |
37 | }; | |
38 | ||
39 | /* These are the CLI output functions */ | |
40 | ||
41 | static void cli_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid); | |
42 | static void cli_table_body (struct ui_out *uiout); | |
43 | static void cli_table_end (struct ui_out *uiout); | |
44 | static void cli_table_header (struct ui_out *uiout, int width, | |
45 | enum ui_align alig, char *colhdr); | |
46 | static void cli_list_begin (struct ui_out *uiout, int list_flag, char *lstid); | |
47 | static void cli_list_end (struct ui_out *uiout, int list_flag); | |
48 | static void cli_field_int (struct ui_out *uiout, int fldno, int width, | |
49 | enum ui_align alig, char *fldname, int value); | |
50 | static void cli_field_skip (struct ui_out *uiout, int fldno, int width, | |
51 | enum ui_align alig, char *fldname); | |
52 | static void cli_field_string (struct ui_out *uiout, int fldno, int width, | |
53 | enum ui_align alig, char *fldname, | |
54 | const char *string); | |
55 | static void cli_field_fmt (struct ui_out *uiout, int fldno, | |
56 | int width, enum ui_align align, | |
57 | char *fldname, char *format, va_list args); | |
58 | static void cli_spaces (struct ui_out *uiout, int numspaces); | |
59 | static void cli_text (struct ui_out *uiout, char *string); | |
60 | static void cli_message (struct ui_out *uiout, int verbosity, char *format, | |
61 | va_list args); | |
62 | static void cli_wrap_hint (struct ui_out *uiout, char *identstring); | |
63 | static void cli_flush (struct ui_out *uiout); | |
64 | ||
65 | /* This is the CLI ui-out implementation functions vector */ | |
66 | ||
67 | /* FIXME: This can be initialized dynamically after default is set to | |
68 | handle initial output in main.c */ | |
69 | ||
70 | static struct ui_out_impl cli_ui_out_impl = | |
71 | { | |
72 | cli_table_begin, | |
73 | cli_table_body, | |
74 | cli_table_end, | |
75 | cli_table_header, | |
76 | cli_list_begin, | |
77 | cli_list_end, | |
78 | cli_field_int, | |
79 | cli_field_skip, | |
80 | cli_field_string, | |
81 | cli_field_fmt, | |
82 | cli_spaces, | |
83 | cli_text, | |
84 | cli_message, | |
85 | cli_wrap_hint, | |
86 | cli_flush | |
87 | }; | |
88 | ||
89 | /* Prototypes for local functions */ | |
90 | ||
91 | extern void _initialize_cli_out PARAMS ((void)); | |
92 | ||
93 | static void field_separator (void); | |
94 | ||
95 | static void out_field_fmt (struct ui_out *uiout, int fldno, char *fldname, | |
96 | char *format,...); | |
97 | ||
98 | /* local variables */ | |
99 | ||
100 | /* (none yet) */ | |
101 | ||
102 | /* Mark beginning of a table */ | |
103 | ||
104 | void | |
105 | cli_table_begin (uiout, nbrofcols, tblid) | |
106 | struct ui_out *uiout; | |
107 | int nbrofcols; | |
108 | char *tblid; | |
109 | { | |
110 | } | |
111 | ||
112 | /* Mark beginning of a table body */ | |
113 | ||
114 | void | |
115 | cli_table_body (uiout) | |
116 | struct ui_out *uiout; | |
117 | { | |
118 | /* first, close the table header line */ | |
119 | cli_text (uiout, "\n"); | |
120 | } | |
121 | ||
122 | /* Mark end of a table */ | |
123 | ||
124 | void | |
125 | cli_table_end (uiout) | |
126 | struct ui_out *uiout; | |
127 | { | |
128 | } | |
129 | ||
130 | /* Specify table header */ | |
131 | ||
132 | void | |
133 | cli_table_header (uiout, width, alignment, colhdr) | |
134 | struct ui_out *uiout; | |
135 | int width; | |
55555bbc | 136 | enum ui_align alignment; |
8b93c638 JM |
137 | char *colhdr; |
138 | { | |
139 | cli_field_string (uiout, 0, width, alignment, 0, colhdr); | |
140 | } | |
141 | ||
142 | /* Mark beginning of a list */ | |
143 | ||
144 | void | |
145 | cli_list_begin (uiout, list_flag, lstid) | |
146 | struct ui_out *uiout; | |
147 | int list_flag; | |
148 | char *lstid; | |
149 | { | |
150 | } | |
151 | ||
152 | /* Mark end of a list */ | |
153 | ||
154 | void | |
155 | cli_list_end (uiout, list_flag) | |
156 | struct ui_out *uiout; | |
157 | int list_flag; | |
158 | { | |
159 | } | |
160 | ||
161 | /* output an int field */ | |
162 | ||
163 | void | |
164 | cli_field_int (uiout, fldno, width, alignment, fldname, value) | |
165 | struct ui_out *uiout; | |
166 | int fldno; | |
167 | int width; | |
55555bbc | 168 | enum ui_align alignment; |
8b93c638 JM |
169 | char *fldname; |
170 | int value; | |
171 | { | |
172 | char buffer[20]; /* FIXME: how many chars long a %d can become? */ | |
173 | ||
174 | sprintf (buffer, "%d", value); | |
175 | cli_field_string (uiout, fldno, width, alignment, fldname, buffer); | |
176 | } | |
177 | ||
178 | /* used to ommit a field */ | |
179 | ||
180 | void | |
181 | cli_field_skip (uiout, fldno, width, alignment, fldname) | |
182 | struct ui_out *uiout; | |
183 | int fldno; | |
184 | int width; | |
55555bbc | 185 | enum ui_align alignment; |
8b93c638 JM |
186 | char *fldname; |
187 | { | |
188 | cli_field_string (uiout, fldno, width, alignment, fldname, ""); | |
189 | } | |
190 | ||
191 | /* other specific cli_field_* end up here so alignment and field | |
192 | separators are both handled by cli_field_string */ | |
193 | ||
194 | void | |
195 | cli_field_string (struct ui_out *uiout, | |
196 | int fldno, | |
197 | int width, | |
55555bbc | 198 | enum ui_align align, |
8b93c638 JM |
199 | char *fldname, |
200 | const char *string) | |
201 | { | |
202 | int before = 0; | |
203 | int after = 0; | |
204 | ||
205 | if ((align != ui_noalign) && string) | |
206 | { | |
207 | before = width - strlen (string); | |
208 | if (before <= 0) | |
209 | before = 0; | |
210 | else | |
211 | { | |
212 | if (align == ui_right) | |
213 | after = 0; | |
214 | else if (align == ui_left) | |
215 | { | |
216 | after = before; | |
217 | before = 0; | |
218 | } | |
219 | else | |
220 | /* ui_center */ | |
221 | { | |
222 | after = before / 2; | |
223 | before -= after; | |
224 | } | |
225 | } | |
226 | } | |
227 | ||
228 | if (before) | |
229 | ui_out_spaces (uiout, before); | |
230 | if (string) | |
231 | out_field_fmt (uiout, fldno, fldname, "%s", string); | |
232 | if (after) | |
233 | ui_out_spaces (uiout, after); | |
234 | ||
235 | if (align != ui_noalign) | |
236 | field_separator (); | |
237 | } | |
238 | ||
239 | /* This is the only field function that does not align */ | |
240 | ||
241 | void | |
242 | cli_field_fmt (struct ui_out *uiout, int fldno, | |
243 | int width, enum ui_align align, | |
244 | char *fldname, char *format, va_list args) | |
245 | { | |
246 | struct ui_out_data *data = ui_out_data (uiout); | |
247 | vfprintf_filtered (data->stream, format, args); | |
248 | ||
249 | if (align != ui_noalign) | |
250 | field_separator (); | |
251 | } | |
252 | ||
253 | void | |
254 | cli_spaces (uiout, numspaces) | |
255 | struct ui_out *uiout; | |
256 | int numspaces; | |
257 | { | |
258 | struct ui_out_data *data = ui_out_data (uiout); | |
259 | print_spaces_filtered (numspaces, data->stream); | |
260 | } | |
261 | ||
262 | void | |
263 | cli_text (uiout, string) | |
264 | struct ui_out *uiout; | |
265 | char *string; | |
266 | { | |
267 | struct ui_out_data *data = ui_out_data (uiout); | |
268 | fputs_filtered (string, data->stream); | |
269 | } | |
270 | ||
271 | void | |
272 | cli_message (struct ui_out *uiout, int verbosity, char *format, va_list args) | |
273 | { | |
274 | struct ui_out_data *data = ui_out_data (uiout); | |
275 | if (ui_out_get_verblvl (uiout) >= verbosity) | |
276 | vfprintf_unfiltered (data->stream, format, args); | |
277 | } | |
278 | ||
279 | void | |
280 | cli_wrap_hint (uiout, identstring) | |
281 | struct ui_out *uiout; | |
282 | char *identstring; | |
283 | { | |
284 | wrap_here (identstring); | |
285 | } | |
286 | ||
287 | void | |
288 | cli_flush (uiout) | |
289 | struct ui_out *uiout; | |
290 | { | |
291 | struct ui_out_data *data = ui_out_data (uiout); | |
292 | gdb_flush (data->stream); | |
293 | } | |
294 | ||
295 | /* local functions */ | |
296 | ||
297 | /* Like cli_field_fmt, but takes a variable number of args | |
298 | and makes a va_list and does not insert a separator */ | |
299 | ||
300 | /* VARARGS */ | |
301 | static void | |
302 | out_field_fmt (struct ui_out *uiout, int fldno, char *fldname, | |
303 | char *format,...) | |
304 | { | |
305 | struct ui_out_data *data = ui_out_data (uiout); | |
306 | va_list args; | |
307 | ||
308 | va_start (args, format); | |
309 | vfprintf_filtered (data->stream, format, args); | |
310 | ||
311 | va_end (args); | |
312 | } | |
313 | ||
314 | /* access to ui_out format private members */ | |
315 | ||
316 | static void | |
317 | field_separator () | |
318 | { | |
319 | struct ui_out_data *data = ui_out_data (uiout); | |
320 | fputc_filtered (' ', data->stream); | |
321 | } | |
322 | ||
323 | /* initalize private members at startup */ | |
324 | ||
325 | struct ui_out * | |
326 | cli_out_new (struct ui_file *stream) | |
327 | { | |
328 | int flags = ui_source_list; | |
329 | ||
330 | struct ui_out_data *data = XMALLOC (struct ui_out_data); | |
331 | data->stream = stream; | |
332 | return ui_out_new (&cli_ui_out_impl, data, flags); | |
333 | } | |
334 | ||
335 | /* standard gdb initialization hook */ | |
336 | void | |
337 | _initialize_cli_out () | |
338 | { | |
339 | /* nothing needs to be done */ | |
340 | } |