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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 | ||
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); | |
631ec795 AC |
46 | static void cli_begin (struct ui_out *uiout, enum ui_out_type type, |
47 | int level, const char *lstid); | |
48 | static void cli_end (struct ui_out *uiout, enum ui_out_type type, int level); | |
8b93c638 JM |
49 | static void cli_field_int (struct ui_out *uiout, int fldno, int width, |
50 | enum ui_align alig, char *fldname, int value); | |
51 | static void cli_field_skip (struct ui_out *uiout, int fldno, int width, | |
52 | enum ui_align alig, char *fldname); | |
53 | static void cli_field_string (struct ui_out *uiout, int fldno, int width, | |
54 | enum ui_align alig, char *fldname, | |
55 | const char *string); | |
56 | static void cli_field_fmt (struct ui_out *uiout, int fldno, | |
57 | int width, enum ui_align align, | |
58 | char *fldname, char *format, va_list args); | |
59 | static void cli_spaces (struct ui_out *uiout, int numspaces); | |
60 | static void cli_text (struct ui_out *uiout, char *string); | |
61 | static void cli_message (struct ui_out *uiout, int verbosity, char *format, | |
62 | va_list args); | |
63 | static void cli_wrap_hint (struct ui_out *uiout, char *identstring); | |
64 | static void cli_flush (struct ui_out *uiout); | |
65 | ||
66 | /* This is the CLI ui-out implementation functions vector */ | |
67 | ||
68 | /* FIXME: This can be initialized dynamically after default is set to | |
69 | handle initial output in main.c */ | |
70 | ||
71 | static struct ui_out_impl cli_ui_out_impl = | |
72 | { | |
73 | cli_table_begin, | |
74 | cli_table_body, | |
75 | cli_table_end, | |
76 | cli_table_header, | |
631ec795 AC |
77 | cli_begin, |
78 | cli_end, | |
8b93c638 JM |
79 | cli_field_int, |
80 | cli_field_skip, | |
81 | cli_field_string, | |
82 | cli_field_fmt, | |
83 | cli_spaces, | |
84 | cli_text, | |
85 | cli_message, | |
86 | cli_wrap_hint, | |
87 | cli_flush | |
88 | }; | |
89 | ||
90 | /* Prototypes for local functions */ | |
91 | ||
a14ed312 | 92 | extern void _initialize_cli_out (void); |
8b93c638 JM |
93 | |
94 | static void field_separator (void); | |
95 | ||
96 | static void out_field_fmt (struct ui_out *uiout, int fldno, char *fldname, | |
97 | char *format,...); | |
98 | ||
99 | /* local variables */ | |
100 | ||
101 | /* (none yet) */ | |
102 | ||
103 | /* Mark beginning of a table */ | |
104 | ||
105 | void | |
fba45db2 | 106 | cli_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) |
8b93c638 JM |
107 | { |
108 | } | |
109 | ||
110 | /* Mark beginning of a table body */ | |
111 | ||
112 | void | |
fba45db2 | 113 | cli_table_body (struct ui_out *uiout) |
8b93c638 JM |
114 | { |
115 | /* first, close the table header line */ | |
116 | cli_text (uiout, "\n"); | |
117 | } | |
118 | ||
119 | /* Mark end of a table */ | |
120 | ||
121 | void | |
fba45db2 | 122 | cli_table_end (struct ui_out *uiout) |
8b93c638 JM |
123 | { |
124 | } | |
125 | ||
126 | /* Specify table header */ | |
127 | ||
128 | void | |
fba45db2 KB |
129 | cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
130 | char *colhdr) | |
8b93c638 JM |
131 | { |
132 | cli_field_string (uiout, 0, width, alignment, 0, colhdr); | |
133 | } | |
134 | ||
135 | /* Mark beginning of a list */ | |
136 | ||
137 | void | |
631ec795 AC |
138 | cli_begin (struct ui_out *uiout, |
139 | enum ui_out_type type, | |
140 | int level, | |
141 | const char *id) | |
8b93c638 JM |
142 | { |
143 | } | |
144 | ||
145 | /* Mark end of a list */ | |
146 | ||
147 | void | |
631ec795 AC |
148 | cli_end (struct ui_out *uiout, |
149 | enum ui_out_type type, | |
150 | int level) | |
8b93c638 JM |
151 | { |
152 | } | |
153 | ||
154 | /* output an int field */ | |
155 | ||
156 | void | |
fba45db2 KB |
157 | cli_field_int (struct ui_out *uiout, int fldno, int width, |
158 | enum ui_align alignment, char *fldname, int value) | |
8b93c638 JM |
159 | { |
160 | char buffer[20]; /* FIXME: how many chars long a %d can become? */ | |
161 | ||
162 | sprintf (buffer, "%d", value); | |
163 | cli_field_string (uiout, fldno, width, alignment, fldname, buffer); | |
164 | } | |
165 | ||
166 | /* used to ommit a field */ | |
167 | ||
168 | void | |
fba45db2 KB |
169 | cli_field_skip (struct ui_out *uiout, int fldno, int width, |
170 | enum ui_align alignment, char *fldname) | |
8b93c638 JM |
171 | { |
172 | cli_field_string (uiout, fldno, width, alignment, fldname, ""); | |
173 | } | |
174 | ||
175 | /* other specific cli_field_* end up here so alignment and field | |
176 | separators are both handled by cli_field_string */ | |
177 | ||
178 | void | |
179 | cli_field_string (struct ui_out *uiout, | |
180 | int fldno, | |
181 | int width, | |
55555bbc | 182 | enum ui_align align, |
8b93c638 JM |
183 | char *fldname, |
184 | const char *string) | |
185 | { | |
186 | int before = 0; | |
187 | int after = 0; | |
188 | ||
189 | if ((align != ui_noalign) && string) | |
190 | { | |
191 | before = width - strlen (string); | |
192 | if (before <= 0) | |
193 | before = 0; | |
194 | else | |
195 | { | |
196 | if (align == ui_right) | |
197 | after = 0; | |
198 | else if (align == ui_left) | |
199 | { | |
200 | after = before; | |
201 | before = 0; | |
202 | } | |
203 | else | |
204 | /* ui_center */ | |
205 | { | |
206 | after = before / 2; | |
207 | before -= after; | |
208 | } | |
209 | } | |
210 | } | |
211 | ||
212 | if (before) | |
213 | ui_out_spaces (uiout, before); | |
214 | if (string) | |
215 | out_field_fmt (uiout, fldno, fldname, "%s", string); | |
216 | if (after) | |
217 | ui_out_spaces (uiout, after); | |
218 | ||
219 | if (align != ui_noalign) | |
220 | field_separator (); | |
221 | } | |
222 | ||
223 | /* This is the only field function that does not align */ | |
224 | ||
225 | void | |
226 | cli_field_fmt (struct ui_out *uiout, int fldno, | |
227 | int width, enum ui_align align, | |
228 | char *fldname, char *format, va_list args) | |
229 | { | |
230 | struct ui_out_data *data = ui_out_data (uiout); | |
231 | vfprintf_filtered (data->stream, format, args); | |
232 | ||
233 | if (align != ui_noalign) | |
234 | field_separator (); | |
235 | } | |
236 | ||
237 | void | |
fba45db2 | 238 | cli_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 JM |
239 | { |
240 | struct ui_out_data *data = ui_out_data (uiout); | |
241 | print_spaces_filtered (numspaces, data->stream); | |
242 | } | |
243 | ||
244 | void | |
fba45db2 | 245 | cli_text (struct ui_out *uiout, char *string) |
8b93c638 JM |
246 | { |
247 | struct ui_out_data *data = ui_out_data (uiout); | |
248 | fputs_filtered (string, data->stream); | |
249 | } | |
250 | ||
251 | void | |
252 | cli_message (struct ui_out *uiout, int verbosity, char *format, va_list args) | |
253 | { | |
254 | struct ui_out_data *data = ui_out_data (uiout); | |
255 | if (ui_out_get_verblvl (uiout) >= verbosity) | |
256 | vfprintf_unfiltered (data->stream, format, args); | |
257 | } | |
258 | ||
259 | void | |
fba45db2 | 260 | cli_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 JM |
261 | { |
262 | wrap_here (identstring); | |
263 | } | |
264 | ||
265 | void | |
fba45db2 | 266 | cli_flush (struct ui_out *uiout) |
8b93c638 JM |
267 | { |
268 | struct ui_out_data *data = ui_out_data (uiout); | |
269 | gdb_flush (data->stream); | |
270 | } | |
271 | ||
272 | /* local functions */ | |
273 | ||
274 | /* Like cli_field_fmt, but takes a variable number of args | |
275 | and makes a va_list and does not insert a separator */ | |
276 | ||
277 | /* VARARGS */ | |
278 | static void | |
279 | out_field_fmt (struct ui_out *uiout, int fldno, char *fldname, | |
280 | char *format,...) | |
281 | { | |
282 | struct ui_out_data *data = ui_out_data (uiout); | |
283 | va_list args; | |
284 | ||
285 | va_start (args, format); | |
286 | vfprintf_filtered (data->stream, format, args); | |
287 | ||
288 | va_end (args); | |
289 | } | |
290 | ||
291 | /* access to ui_out format private members */ | |
292 | ||
293 | static void | |
fba45db2 | 294 | field_separator (void) |
8b93c638 JM |
295 | { |
296 | struct ui_out_data *data = ui_out_data (uiout); | |
297 | fputc_filtered (' ', data->stream); | |
298 | } | |
299 | ||
300 | /* initalize private members at startup */ | |
301 | ||
302 | struct ui_out * | |
303 | cli_out_new (struct ui_file *stream) | |
304 | { | |
305 | int flags = ui_source_list; | |
306 | ||
307 | struct ui_out_data *data = XMALLOC (struct ui_out_data); | |
308 | data->stream = stream; | |
309 | return ui_out_new (&cli_ui_out_impl, data, flags); | |
310 | } | |
311 | ||
312 | /* standard gdb initialization hook */ | |
313 | void | |
fba45db2 | 314 | _initialize_cli_out (void) |
8b93c638 JM |
315 | { |
316 | /* nothing needs to be done */ | |
317 | } |