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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [mi/] [mi-out.c] - Blame information for rev 107

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1 106 markom
/* MI Command Set - output generating routines.
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   Copyright (C) 2000, Free Software Foundation, Inc.
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   Contributed by Cygnus Solutions (a Red Hat company).
4
 
5
   This file is part of GDB.
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7
   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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12
   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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17
   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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#include "defs.h"
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#include "ui-out.h"
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#include "mi-out.h"
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/* Convenience macro for allocting typesafe memory. */
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#ifndef XMALLOC
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#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
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#endif
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struct ui_out_data
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  {
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    int supress_field_separator;
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    int first_header;
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    struct ui_file *buffer;
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  };
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39
/* These are the MI output functions */
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static void mi_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid);
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static void mi_table_body (struct ui_out *uiout);
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static void mi_table_end (struct ui_out *uiout);
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static void mi_table_header (struct ui_out *uiout, int width,
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                             enum ui_align alig, char *colhdr);
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static void mi_list_begin (struct ui_out *uiout, int list_flag, char *lstid);
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static void mi_list_end (struct ui_out *uiout, int list_flag);
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static void mi_field_int (struct ui_out *uiout, int fldno, int width,
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                          enum ui_align alig, char *fldname, int value);
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static void mi_field_skip (struct ui_out *uiout, int fldno, int width,
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                           enum ui_align alig, char *fldname);
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static void mi_field_string (struct ui_out *uiout, int fldno, int width,
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                             enum ui_align alig, char *fldname,
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                             const char *string);
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static void mi_field_fmt (struct ui_out *uiout, int fldno,
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                          int width, enum ui_align align,
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                          char *fldname, char *format, va_list args);
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static void mi_spaces (struct ui_out *uiout, int numspaces);
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static void mi_text (struct ui_out *uiout, char *string);
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static void mi_message (struct ui_out *uiout, int verbosity, char *format,
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                        va_list args);
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static void mi_wrap_hint (struct ui_out *uiout, char *identstring);
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static void mi_flush (struct ui_out *uiout);
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/* This is the MI ui-out implementation functions vector */
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/* FIXME: This can be initialized dynamically after default is set to
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   handle initial output in main.c */
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struct ui_out_impl mi_ui_out_impl =
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{
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  mi_table_begin,
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  mi_table_body,
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  mi_table_end,
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  mi_table_header,
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  mi_list_begin,
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  mi_list_end,
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  mi_field_int,
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  mi_field_skip,
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  mi_field_string,
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  mi_field_fmt,
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  mi_spaces,
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  mi_text,
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  mi_message,
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  mi_wrap_hint,
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  mi_flush
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};
88
 
89
/* Prototypes for local functions */
90
 
91
extern void _initialize_mi_out PARAMS ((void));
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static void field_separator (struct ui_out *uiout);
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static void list_open (struct ui_out *uiout);
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static void list_close (struct ui_out *uiout);
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96
static void out_field_fmt (struct ui_out *uiout, int fldno, char *fldname,
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                           char *format,...);
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99
/* Mark beginning of a table */
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101
void
102
mi_table_begin (uiout, nbrofcols, tblid)
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     struct ui_out *uiout;
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     int nbrofcols;
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     char *tblid;
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{
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  struct ui_out_data *data = ui_out_data (uiout);
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  field_separator (uiout);
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  if (tblid)
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    fprintf_unfiltered (data->buffer, "%s=", tblid);
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  list_open (uiout);
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  data->first_header = 0;
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  data->supress_field_separator = 1;
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}
115
 
116
/* Mark beginning of a table body */
117
 
118
void
119
mi_table_body (uiout)
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     struct ui_out *uiout;
121
{
122
  struct ui_out_data *data = ui_out_data (uiout);
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  /* close the table header line if there were any headers */
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  if (data->first_header)
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    list_close (uiout);
126
}
127
 
128
/* Mark end of a table */
129
 
130
void
131
mi_table_end (uiout)
132
     struct ui_out *uiout;
133
{
134
  struct ui_out_data *data = ui_out_data (uiout);
135
  list_close (uiout);
136
  /* If table was empty this flag did not get reset yet */
137
  data->supress_field_separator = 0;
138
}
139
 
140
/* Specify table header */
141
 
142
void
143
mi_table_header (uiout, width, alignment, colhdr)
144
     struct ui_out *uiout;
145
     int width;
146
     int alignment;
147
     char *colhdr;
148
{
149
  struct ui_out_data *data = ui_out_data (uiout);
150
  if (!data->first_header++)
151
    {
152
      fputs_unfiltered ("hdr=", data->buffer);
153
      list_open (uiout);
154
    }
155
  mi_field_string (uiout, 0, width, alignment, 0, colhdr);
156
}
157
 
158
/* Mark beginning of a list */
159
 
160
void
161
mi_list_begin (uiout, list_flag, lstid)
162
     struct ui_out *uiout;
163
     int list_flag;
164
     char *lstid;
165
{
166
  struct ui_out_data *data = ui_out_data (uiout);
167
  field_separator (uiout);
168
  data->supress_field_separator = 1;
169
  if (lstid)
170
    fprintf_unfiltered (data->buffer, "%s=", lstid);
171
  list_open (uiout);
172
}
173
 
174
/* Mark end of a list */
175
 
176
void
177
mi_list_end (uiout, list_flag)
178
     struct ui_out *uiout;
179
     int list_flag;
180
{
181
  struct ui_out_data *data = ui_out_data (uiout);
182
  list_close (uiout);
183
  /* If list was empty this flag did not get reset yet */
184
  data->supress_field_separator = 0;
185
}
186
 
187
/* output an int field */
188
 
189
void
190
mi_field_int (uiout, fldno, width, alignment, fldname, value)
191
     struct ui_out *uiout;
192
     int fldno;
193
     int width;
194
     int alignment;
195
     char *fldname;
196
     int value;
197
{
198
  char buffer[20];              /* FIXME: how many chars long a %d can become? */
199
 
200
  sprintf (buffer, "%d", value);
201
  mi_field_string (uiout, fldno, width, alignment, fldname, buffer);
202
}
203
 
204
/* used to ommit a field */
205
 
206
void
207
mi_field_skip (uiout, fldno, width, alignment, fldname)
208
     struct ui_out *uiout;
209
     int fldno;
210
     int width;
211
     int alignment;
212
     char *fldname;
213
{
214
  mi_field_string (uiout, fldno, width, alignment, fldname, "");
215
}
216
 
217
/* other specific mi_field_* end up here so alignment and field
218
   separators are both handled by mi_field_string */
219
 
220
void
221
mi_field_string (struct ui_out *uiout,
222
                 int fldno,
223
                 int width,
224
                 int align,
225
                 char *fldname,
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                 const char *string)
227
{
228
  struct ui_out_data *data = ui_out_data (uiout);
229
  field_separator (uiout);
230
  if (fldname)
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    fprintf_unfiltered (data->buffer, "%s=", fldname);
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  fprintf_unfiltered (data->buffer, "\"");
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  if (string)
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    fputstr_unfiltered (string, '"', data->buffer);
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  fprintf_unfiltered (data->buffer, "\"");
236
}
237
 
238
/* This is the only field function that does not align */
239
 
240
void
241
mi_field_fmt (struct ui_out *uiout, int fldno,
242
              int width, enum ui_align align,
243
              char *fldname, char *format, va_list args)
244
{
245
  struct ui_out_data *data = ui_out_data (uiout);
246
  field_separator (uiout);
247
  if (fldname)
248
    fprintf_unfiltered (data->buffer, "%s=\"", fldname);
249
  else
250
    fputs_unfiltered ("\"", data->buffer);
251
  vfprintf_unfiltered (data->buffer, format, args);
252
  fputs_unfiltered ("\"", data->buffer);
253
}
254
 
255
void
256
mi_spaces (uiout, numspaces)
257
     struct ui_out *uiout;
258
     int numspaces;
259
{
260
}
261
 
262
void
263
mi_text (uiout, string)
264
     struct ui_out *uiout;
265
     char *string;
266
{
267
}
268
 
269
void
270
mi_message (struct ui_out *uiout, int verbosity, char *format, va_list args)
271
{
272
}
273
 
274
void
275
mi_wrap_hint (uiout, identstring)
276
     struct ui_out *uiout;
277
     char *identstring;
278
{
279
  wrap_here (identstring);
280
}
281
 
282
void
283
mi_flush (uiout)
284
     struct ui_out *uiout;
285
{
286
  struct ui_out_data *data = ui_out_data (uiout);
287
  gdb_flush (data->buffer);
288
}
289
 
290
/* local functions */
291
 
292
/* Like mi_field_fmt, but takes a variable number of args
293
   and makes a va_list and does not insert a separator */
294
 
295
/* VARARGS */
296
static void
297
out_field_fmt (struct ui_out *uiout, int fldno, char *fldname,
298
               char *format,...)
299
{
300
  struct ui_out_data *data = ui_out_data (uiout);
301
  va_list args;
302
 
303
  field_separator (uiout);
304
  if (fldname)
305
    fprintf_unfiltered (data->buffer, "%s=\"", fldname);
306
  else
307
    fputs_unfiltered ("\"", data->buffer);
308
 
309
  va_start (args, format);
310
  vfprintf_unfiltered (data->buffer, format, args);
311
 
312
  fputs_unfiltered ("\"", data->buffer);
313
 
314
  va_end (args);
315
}
316
 
317
/* access to ui_out format private members */
318
 
319
static void
320
field_separator (struct ui_out *uiout)
321
{
322
  struct ui_out_data *data = ui_out_data (uiout);
323
  if (data->supress_field_separator)
324
    data->supress_field_separator = 0;
325
  else
326
    fputc_unfiltered (',', data->buffer);
327
}
328
 
329
static void
330
list_open (struct ui_out *uiout)
331
{
332
  struct ui_out_data *data = ui_out_data (uiout);
333
  fputc_unfiltered ('{', data->buffer);
334
}
335
 
336
static void
337
list_close (struct ui_out *uiout)
338
{
339
  struct ui_out_data *data = ui_out_data (uiout);
340
  fputc_unfiltered ('}', data->buffer);
341
}
342
 
343
/* add a string to the buffer */
344
 
345
void
346
mi_out_buffered (struct ui_out *uiout, char *string)
347
{
348
  struct ui_out_data *data = ui_out_data (uiout);
349
  fprintf_unfiltered (data->buffer, "%s", string);
350
}
351
 
352
/* clear the buffer */
353
 
354
void
355
mi_out_rewind (struct ui_out *uiout)
356
{
357
  struct ui_out_data *data = ui_out_data (uiout);
358
  ui_file_rewind (data->buffer);
359
}
360
 
361
/* dump the buffer onto the specified stream */
362
 
363
static void
364
do_write (void *data, const char *buffer, long length_buffer)
365
{
366
  ui_file_write (data, buffer, length_buffer);
367
}
368
 
369
void
370
mi_out_put (struct ui_out *uiout,
371
            struct ui_file *stream)
372
{
373
  struct ui_out_data *data = ui_out_data (uiout);
374
  ui_file_put (data->buffer, do_write, stream);
375
  ui_file_rewind (data->buffer);
376
}
377
 
378
/* initalize private members at startup */
379
 
380
struct ui_out *
381
mi_out_new (void)
382
{
383
  int flags = 0;
384
  struct ui_out_data *data = XMALLOC (struct ui_out_data);
385
  data->supress_field_separator = 0;
386
  /* FIXME: This code should be using a ``string_file'' and not the
387
     TUI buffer hack. */
388
  data->buffer = mem_fileopen ();
389
  return ui_out_new (&mi_ui_out_impl, data, flags);
390
}
391
 
392
/* standard gdb initialization hook */
393
void
394
_initialize_mi_out ()
395
{
396
  /* nothing happens here */
397
}
398
 
399
/* Local variables: */
400
/* change-log-default-name: "ChangeLog-mi" */
401
/* End: */

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