1 /* MI Command Set - output generating routines.
3 Copyright 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
5 Contributed by Cygnus Solutions (a Red Hat company).
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
30 int suppress_field_separator;
33 struct ui_file *buffer;
35 typedef struct ui_out_data mi_out_data;
37 /* These are the MI output functions */
39 static void mi_table_begin (struct ui_out *uiout, int nbrofcols,
40 int nr_rows, const char *tblid);
41 static void mi_table_body (struct ui_out *uiout);
42 static void mi_table_end (struct ui_out *uiout);
43 static void mi_table_header (struct ui_out *uiout, int width,
44 enum ui_align alig, const char *col_name,
46 static void mi_begin (struct ui_out *uiout, enum ui_out_type type,
47 int level, const char *id);
48 static void mi_end (struct ui_out *uiout, enum ui_out_type type, int level);
49 static void mi_field_int (struct ui_out *uiout, int fldno, int width,
50 enum ui_align alig, const char *fldname, int value);
51 static void mi_field_skip (struct ui_out *uiout, int fldno, int width,
52 enum ui_align alig, const char *fldname);
53 static void mi_field_string (struct ui_out *uiout, int fldno, int width,
54 enum ui_align alig, const char *fldname,
56 static void mi_field_fmt (struct ui_out *uiout, int fldno,
57 int width, enum ui_align align,
58 const char *fldname, const char *format,
59 va_list args) ATTR_FORMAT (printf, 6, 0);
60 static void mi_spaces (struct ui_out *uiout, int numspaces);
61 static void mi_text (struct ui_out *uiout, const char *string);
62 static void mi_message (struct ui_out *uiout, int verbosity,
63 const char *format, va_list args)
64 ATTR_FORMAT (printf, 3, 0);
65 static void mi_wrap_hint (struct ui_out *uiout, char *identstring);
66 static void mi_flush (struct ui_out *uiout);
68 /* This is the MI ui-out implementation functions vector */
70 /* FIXME: This can be initialized dynamically after default is set to
71 handle initial output in main.c */
73 struct ui_out_impl mi_ui_out_impl =
91 1, /* Needs MI hacks. */
94 /* Prototypes for local functions */
96 extern void _initialize_mi_out (void);
97 static void field_separator (struct ui_out *uiout);
98 static void mi_open (struct ui_out *uiout, const char *name,
99 enum ui_out_type type);
100 static void mi_close (struct ui_out *uiout, enum ui_out_type type);
102 /* Mark beginning of a table */
105 mi_table_begin (struct ui_out *uiout,
110 mi_out_data *data = ui_out_data (uiout);
111 mi_open (uiout, tblid, ui_out_type_tuple);
112 mi_field_int (uiout, -1/*fldno*/, -1/*width*/, -1/*alin*/,
114 mi_field_int (uiout, -1/*fldno*/, -1/*width*/, -1/*alin*/,
116 mi_open (uiout, "hdr", ui_out_type_list);
119 /* Mark beginning of a table body */
122 mi_table_body (struct ui_out *uiout)
124 mi_out_data *data = ui_out_data (uiout);
125 if (data->suppress_output)
127 /* close the table header line if there were any headers */
128 mi_close (uiout, ui_out_type_list);
129 mi_open (uiout, "body", ui_out_type_list);
132 /* Mark end of a table */
135 mi_table_end (struct ui_out *uiout)
137 mi_out_data *data = ui_out_data (uiout);
138 data->suppress_output = 0;
139 mi_close (uiout, ui_out_type_list); /* body */
140 mi_close (uiout, ui_out_type_tuple);
143 /* Specify table header */
146 mi_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
147 const char *col_name,
150 mi_out_data *data = ui_out_data (uiout);
151 if (data->suppress_output)
153 mi_open (uiout, NULL, ui_out_type_tuple);
154 mi_field_int (uiout, 0, 0, 0, "width", width);
155 mi_field_int (uiout, 0, 0, 0, "alignment", alignment);
156 mi_field_string (uiout, 0, 0, 0, "col_name", col_name);
157 mi_field_string (uiout, 0, width, alignment, "colhdr", colhdr);
158 mi_close (uiout, ui_out_type_tuple);
161 /* Mark beginning of a list */
164 mi_begin (struct ui_out *uiout,
165 enum ui_out_type type,
169 mi_out_data *data = ui_out_data (uiout);
170 if (data->suppress_output)
172 mi_open (uiout, id, type);
175 /* Mark end of a list */
178 mi_end (struct ui_out *uiout,
179 enum ui_out_type type,
182 mi_out_data *data = ui_out_data (uiout);
183 if (data->suppress_output)
185 mi_close (uiout, type);
188 /* output an int field */
191 mi_field_int (struct ui_out *uiout, int fldno, int width,
192 enum ui_align alignment, const char *fldname, int value)
194 char buffer[20]; /* FIXME: how many chars long a %d can become? */
195 mi_out_data *data = ui_out_data (uiout);
196 if (data->suppress_output)
199 sprintf (buffer, "%d", value);
200 mi_field_string (uiout, fldno, width, alignment, fldname, buffer);
203 /* used to ommit a field */
206 mi_field_skip (struct ui_out *uiout, int fldno, int width,
207 enum ui_align alignment, const char *fldname)
209 mi_out_data *data = ui_out_data (uiout);
210 if (data->suppress_output)
212 mi_field_string (uiout, fldno, width, alignment, fldname, "");
215 /* other specific mi_field_* end up here so alignment and field
216 separators are both handled by mi_field_string */
219 mi_field_string (struct ui_out *uiout,
226 mi_out_data *data = ui_out_data (uiout);
227 if (data->suppress_output)
229 field_separator (uiout);
231 fprintf_unfiltered (data->buffer, "%s=", fldname);
232 fprintf_unfiltered (data->buffer, "\"");
234 fputstr_unfiltered (string, '"', data->buffer);
235 fprintf_unfiltered (data->buffer, "\"");
238 /* This is the only field function that does not align */
241 mi_field_fmt (struct ui_out *uiout, int fldno,
242 int width, enum ui_align align,
247 mi_out_data *data = ui_out_data (uiout);
248 if (data->suppress_output)
250 field_separator (uiout);
252 fprintf_unfiltered (data->buffer, "%s=\"", fldname);
254 fputs_unfiltered ("\"", data->buffer);
255 vfprintf_unfiltered (data->buffer, format, args);
256 fputs_unfiltered ("\"", data->buffer);
260 mi_spaces (struct ui_out *uiout, int numspaces)
265 mi_text (struct ui_out *uiout, const char *string)
270 mi_message (struct ui_out *uiout, int verbosity,
277 mi_wrap_hint (struct ui_out *uiout, char *identstring)
279 wrap_here (identstring);
283 mi_flush (struct ui_out *uiout)
285 mi_out_data *data = ui_out_data (uiout);
286 gdb_flush (data->buffer);
289 /* local functions */
291 /* access to ui_out format private members */
294 field_separator (struct ui_out *uiout)
296 mi_out_data *data = ui_out_data (uiout);
297 if (data->suppress_field_separator)
298 data->suppress_field_separator = 0;
300 fputc_unfiltered (',', data->buffer);
304 mi_open (struct ui_out *uiout,
306 enum ui_out_type type)
308 mi_out_data *data = ui_out_data (uiout);
309 field_separator (uiout);
310 data->suppress_field_separator = 1;
312 fprintf_unfiltered (data->buffer, "%s=", name);
315 case ui_out_type_tuple:
316 fputc_unfiltered ('{', data->buffer);
318 case ui_out_type_list:
319 fputc_unfiltered ('[', data->buffer);
322 internal_error (__FILE__, __LINE__, _("bad switch"));
327 mi_close (struct ui_out *uiout,
328 enum ui_out_type type)
330 mi_out_data *data = ui_out_data (uiout);
333 case ui_out_type_tuple:
334 fputc_unfiltered ('}', data->buffer);
336 case ui_out_type_list:
337 fputc_unfiltered (']', data->buffer);
340 internal_error (__FILE__, __LINE__, _("bad switch"));
342 data->suppress_field_separator = 0;
345 /* add a string to the buffer */
348 mi_out_buffered (struct ui_out *uiout, char *string)
350 mi_out_data *data = ui_out_data (uiout);
351 fprintf_unfiltered (data->buffer, "%s", string);
354 /* clear the buffer */
357 mi_out_rewind (struct ui_out *uiout)
359 mi_out_data *data = ui_out_data (uiout);
360 ui_file_rewind (data->buffer);
363 /* dump the buffer onto the specified stream */
366 do_write (void *data, const char *buffer, long length_buffer)
368 ui_file_write (data, buffer, length_buffer);
372 mi_out_put (struct ui_out *uiout,
373 struct ui_file *stream)
375 mi_out_data *data = ui_out_data (uiout);
376 ui_file_put (data->buffer, do_write, stream);
377 ui_file_rewind (data->buffer);
380 /* Current MI version. */
383 mi_version (struct ui_out *uiout)
385 mi_out_data *data = ui_out_data (uiout);
386 return data->mi_version;
389 /* initalize private members at startup */
392 mi_out_new (int mi_version)
395 mi_out_data *data = XMALLOC (mi_out_data);
396 data->suppress_field_separator = 0;
397 data->suppress_output = 0;
398 data->mi_version = mi_version;
399 /* FIXME: This code should be using a ``string_file'' and not the
401 data->buffer = mem_fileopen ();
402 return ui_out_new (&mi_ui_out_impl, data, flags);
405 /* standard gdb initialization hook */
407 _initialize_mi_out (void)
409 /* nothing happens here */