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8b93c638 | 1 | /* Output generating routines for GDB CLI. |
b6ba6518 | 2 | Copyright 1999, 2000 Free Software Foundation, Inc. |
8b93c638 JM |
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 | ||
e2e11a41 | 41 | static void cli_table_begin (struct ui_out *uiout, int nbrofcols, |
d63f1d40 | 42 | int nr_rows, const char *tblid); |
8b93c638 JM |
43 | static void cli_table_body (struct ui_out *uiout); |
44 | static void cli_table_end (struct ui_out *uiout); | |
45 | static void cli_table_header (struct ui_out *uiout, int width, | |
e2e11a41 AC |
46 | enum ui_align alig, |
47 | const char *colhdr); | |
631ec795 AC |
48 | static void cli_begin (struct ui_out *uiout, enum ui_out_type type, |
49 | int level, const char *lstid); | |
50 | static void cli_end (struct ui_out *uiout, enum ui_out_type type, int level); | |
8b93c638 | 51 | static void cli_field_int (struct ui_out *uiout, int fldno, int width, |
e2e11a41 | 52 | enum ui_align alig, const char *fldname, int value); |
8b93c638 | 53 | static void cli_field_skip (struct ui_out *uiout, int fldno, int width, |
e2e11a41 | 54 | enum ui_align alig, const char *fldname); |
8b93c638 | 55 | static void cli_field_string (struct ui_out *uiout, int fldno, int width, |
e2e11a41 | 56 | enum ui_align alig, const char *fldname, |
8b93c638 JM |
57 | const char *string); |
58 | static void cli_field_fmt (struct ui_out *uiout, int fldno, | |
59 | int width, enum ui_align align, | |
e2e11a41 AC |
60 | const char *fldname, const char *format, |
61 | va_list args); | |
8b93c638 | 62 | static void cli_spaces (struct ui_out *uiout, int numspaces); |
e2e11a41 AC |
63 | static void cli_text (struct ui_out *uiout, const char *string); |
64 | static void cli_message (struct ui_out *uiout, int verbosity, | |
65 | const char *format, va_list args); | |
8b93c638 JM |
66 | static void cli_wrap_hint (struct ui_out *uiout, char *identstring); |
67 | static void cli_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 cli_ui_out_impl = | |
75 | { | |
76 | cli_table_begin, | |
77 | cli_table_body, | |
78 | cli_table_end, | |
79 | cli_table_header, | |
631ec795 AC |
80 | cli_begin, |
81 | cli_end, | |
8b93c638 JM |
82 | cli_field_int, |
83 | cli_field_skip, | |
84 | cli_field_string, | |
85 | cli_field_fmt, | |
86 | cli_spaces, | |
87 | cli_text, | |
88 | cli_message, | |
89 | cli_wrap_hint, | |
90 | cli_flush | |
91 | }; | |
92 | ||
93 | /* Prototypes for local functions */ | |
94 | ||
a14ed312 | 95 | extern void _initialize_cli_out (void); |
8b93c638 JM |
96 | |
97 | static void field_separator (void); | |
98 | ||
e2e11a41 AC |
99 | static void out_field_fmt (struct ui_out *uiout, int fldno, |
100 | const char *fldname, | |
101 | const char *format,...); | |
8b93c638 JM |
102 | |
103 | /* local variables */ | |
104 | ||
105 | /* (none yet) */ | |
106 | ||
107 | /* Mark beginning of a table */ | |
108 | ||
109 | void | |
e2e11a41 | 110 | cli_table_begin (struct ui_out *uiout, int nbrofcols, |
d63f1d40 | 111 | int nr_rows, |
e2e11a41 | 112 | const char *tblid) |
8b93c638 JM |
113 | { |
114 | } | |
115 | ||
116 | /* Mark beginning of a table body */ | |
117 | ||
118 | void | |
fba45db2 | 119 | cli_table_body (struct ui_out *uiout) |
8b93c638 JM |
120 | { |
121 | /* first, close the table header line */ | |
122 | cli_text (uiout, "\n"); | |
123 | } | |
124 | ||
125 | /* Mark end of a table */ | |
126 | ||
127 | void | |
fba45db2 | 128 | cli_table_end (struct ui_out *uiout) |
8b93c638 JM |
129 | { |
130 | } | |
131 | ||
132 | /* Specify table header */ | |
133 | ||
134 | void | |
fba45db2 | 135 | cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
e2e11a41 | 136 | const char *colhdr) |
8b93c638 JM |
137 | { |
138 | cli_field_string (uiout, 0, width, alignment, 0, colhdr); | |
139 | } | |
140 | ||
141 | /* Mark beginning of a list */ | |
142 | ||
143 | void | |
631ec795 AC |
144 | cli_begin (struct ui_out *uiout, |
145 | enum ui_out_type type, | |
146 | int level, | |
147 | const char *id) | |
8b93c638 JM |
148 | { |
149 | } | |
150 | ||
151 | /* Mark end of a list */ | |
152 | ||
153 | void | |
631ec795 AC |
154 | cli_end (struct ui_out *uiout, |
155 | enum ui_out_type type, | |
156 | int level) | |
8b93c638 JM |
157 | { |
158 | } | |
159 | ||
160 | /* output an int field */ | |
161 | ||
162 | void | |
fba45db2 | 163 | cli_field_int (struct ui_out *uiout, int fldno, int width, |
e2e11a41 AC |
164 | enum ui_align alignment, |
165 | const char *fldname, int value) | |
8b93c638 JM |
166 | { |
167 | char buffer[20]; /* FIXME: how many chars long a %d can become? */ | |
168 | ||
169 | sprintf (buffer, "%d", value); | |
170 | cli_field_string (uiout, fldno, width, alignment, fldname, buffer); | |
171 | } | |
172 | ||
173 | /* used to ommit a field */ | |
174 | ||
175 | void | |
fba45db2 | 176 | cli_field_skip (struct ui_out *uiout, int fldno, int width, |
e2e11a41 AC |
177 | enum ui_align alignment, |
178 | const char *fldname) | |
8b93c638 JM |
179 | { |
180 | cli_field_string (uiout, fldno, width, alignment, fldname, ""); | |
181 | } | |
182 | ||
183 | /* other specific cli_field_* end up here so alignment and field | |
184 | separators are both handled by cli_field_string */ | |
185 | ||
186 | void | |
187 | cli_field_string (struct ui_out *uiout, | |
188 | int fldno, | |
189 | int width, | |
55555bbc | 190 | enum ui_align align, |
e2e11a41 | 191 | const char *fldname, |
8b93c638 JM |
192 | const char *string) |
193 | { | |
194 | int before = 0; | |
195 | int after = 0; | |
196 | ||
197 | if ((align != ui_noalign) && string) | |
198 | { | |
199 | before = width - strlen (string); | |
200 | if (before <= 0) | |
201 | before = 0; | |
202 | else | |
203 | { | |
204 | if (align == ui_right) | |
205 | after = 0; | |
206 | else if (align == ui_left) | |
207 | { | |
208 | after = before; | |
209 | before = 0; | |
210 | } | |
211 | else | |
212 | /* ui_center */ | |
213 | { | |
214 | after = before / 2; | |
215 | before -= after; | |
216 | } | |
217 | } | |
218 | } | |
219 | ||
220 | if (before) | |
221 | ui_out_spaces (uiout, before); | |
222 | if (string) | |
223 | out_field_fmt (uiout, fldno, fldname, "%s", string); | |
224 | if (after) | |
225 | ui_out_spaces (uiout, after); | |
226 | ||
227 | if (align != ui_noalign) | |
228 | field_separator (); | |
229 | } | |
230 | ||
231 | /* This is the only field function that does not align */ | |
232 | ||
233 | void | |
234 | cli_field_fmt (struct ui_out *uiout, int fldno, | |
235 | int width, enum ui_align align, | |
e2e11a41 AC |
236 | const char *fldname, |
237 | const char *format, | |
238 | va_list args) | |
8b93c638 JM |
239 | { |
240 | struct ui_out_data *data = ui_out_data (uiout); | |
241 | vfprintf_filtered (data->stream, format, args); | |
242 | ||
243 | if (align != ui_noalign) | |
244 | field_separator (); | |
245 | } | |
246 | ||
247 | void | |
fba45db2 | 248 | cli_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 JM |
249 | { |
250 | struct ui_out_data *data = ui_out_data (uiout); | |
251 | print_spaces_filtered (numspaces, data->stream); | |
252 | } | |
253 | ||
254 | void | |
e2e11a41 | 255 | cli_text (struct ui_out *uiout, const char *string) |
8b93c638 JM |
256 | { |
257 | struct ui_out_data *data = ui_out_data (uiout); | |
258 | fputs_filtered (string, data->stream); | |
259 | } | |
260 | ||
261 | void | |
e2e11a41 AC |
262 | cli_message (struct ui_out *uiout, int verbosity, |
263 | const char *format, va_list args) | |
8b93c638 JM |
264 | { |
265 | struct ui_out_data *data = ui_out_data (uiout); | |
266 | if (ui_out_get_verblvl (uiout) >= verbosity) | |
267 | vfprintf_unfiltered (data->stream, format, args); | |
268 | } | |
269 | ||
270 | void | |
fba45db2 | 271 | cli_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 JM |
272 | { |
273 | wrap_here (identstring); | |
274 | } | |
275 | ||
276 | void | |
fba45db2 | 277 | cli_flush (struct ui_out *uiout) |
8b93c638 JM |
278 | { |
279 | struct ui_out_data *data = ui_out_data (uiout); | |
280 | gdb_flush (data->stream); | |
281 | } | |
282 | ||
283 | /* local functions */ | |
284 | ||
285 | /* Like cli_field_fmt, but takes a variable number of args | |
286 | and makes a va_list and does not insert a separator */ | |
287 | ||
288 | /* VARARGS */ | |
289 | static void | |
e2e11a41 AC |
290 | out_field_fmt (struct ui_out *uiout, int fldno, |
291 | const char *fldname, | |
292 | const char *format,...) | |
8b93c638 JM |
293 | { |
294 | struct ui_out_data *data = ui_out_data (uiout); | |
295 | va_list args; | |
296 | ||
297 | va_start (args, format); | |
298 | vfprintf_filtered (data->stream, format, args); | |
299 | ||
300 | va_end (args); | |
301 | } | |
302 | ||
303 | /* access to ui_out format private members */ | |
304 | ||
305 | static void | |
fba45db2 | 306 | field_separator (void) |
8b93c638 JM |
307 | { |
308 | struct ui_out_data *data = ui_out_data (uiout); | |
309 | fputc_filtered (' ', data->stream); | |
310 | } | |
311 | ||
312 | /* initalize private members at startup */ | |
313 | ||
314 | struct ui_out * | |
315 | cli_out_new (struct ui_file *stream) | |
316 | { | |
317 | int flags = ui_source_list; | |
318 | ||
319 | struct ui_out_data *data = XMALLOC (struct ui_out_data); | |
320 | data->stream = stream; | |
321 | return ui_out_new (&cli_ui_out_impl, data, flags); | |
322 | } | |
323 | ||
324 | /* standard gdb initialization hook */ | |
325 | void | |
fba45db2 | 326 | _initialize_cli_out (void) |
8b93c638 JM |
327 | { |
328 | /* nothing needs to be done */ | |
329 | } |