OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [sim/] [ppc/] [lf.c] - Blame information for rev 438

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 330 jeremybenn
/*  This file is part of the program psim.
2
 
3
    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
4
 
5
    This program is free software; you can redistribute it and/or modify
6
    it under the terms of the GNU General Public License as published by
7
    the Free Software Foundation; either version 2 of the License, or
8
    (at your option) any later version.
9
 
10
    This program is distributed in the hope that it will be useful,
11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
    GNU General Public License for more details.
14
 
15
    You should have received a copy of the GNU General Public License
16
    along with this program; if not, write to the Free Software
17
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
 
19
    */
20
 
21
 
22
#include <stdio.h>
23
#include <stdarg.h>
24
#include <ctype.h>
25
 
26
#include "build-config.h"
27
#include "misc.h"
28
#include "lf.h"
29
 
30
#ifdef HAVE_STDLIB_H
31
#include <stdlib.h>
32
#endif
33
 
34
#ifdef HAVE_STRING_H
35
#include <string.h>
36
#else
37
#ifdef HAVE_STRINGS_H
38
#include <strings.h>
39
#endif
40
#endif
41
 
42
struct _lf {
43
  FILE *stream;
44
  int line_nr; /* nr complete lines written, curr line is line_nr+1 */
45
  int indent;
46
  int line_blank;
47
  const char *name;
48
  const char *program;
49
  lf_file_references references;
50
  lf_file_type type;
51
};
52
 
53
 
54
lf *
55
lf_open(char *name,
56
        char *real_name,
57
        lf_file_references references,
58
        lf_file_type type,
59
        const char *program)
60
{
61
  /* create a file object */
62
  lf *new_lf = ZALLOC(lf);
63
  ASSERT(new_lf != NULL);
64
  new_lf->references = references;
65
  new_lf->type = type;
66
  new_lf->name = (real_name == NULL ? name : real_name);
67
  new_lf->program = program;
68
  /* attach to stdout if pipe */
69
  if (!strcmp(name, "-")) {
70
    new_lf->stream = stdout;
71
  }
72
  else {
73
    /* create a new file */
74
    new_lf->stream = fopen(name, "w");
75
    if (new_lf->stream == NULL) {
76
      perror(name);
77
      exit(1);
78
    }
79
  }
80
  return new_lf;
81
}
82
 
83
 
84
void
85
lf_close(lf *file)
86
{
87
  if (file->stream != stdout) {
88
    if (fclose(file->stream)) {
89
      perror("lf_close.fclose");
90
      exit(1);
91
    }
92
    free(file);
93
  }
94
}
95
 
96
 
97
int
98
lf_putchr(lf *file,
99
          const char chr)
100
{
101
  int nr = 0;
102
  if (chr == '\n') {
103
    file->line_nr += 1;
104
    file->line_blank = 1;
105
  }
106
  else if (file->line_blank) {
107
    int pad;
108
    for (pad = file->indent; pad > 0; pad--)
109
      putc(' ', file->stream);
110
    nr += file->indent;
111
    file->line_blank = 0;
112
  }
113
  putc(chr, file->stream);
114
  nr += 1;
115
  return nr;
116
}
117
 
118
void
119
lf_indent_suppress(lf *file)
120
{
121
  file->line_blank = 0;
122
}
123
 
124
 
125
int
126
lf_putstr(lf *file,
127
          const char *string)
128
{
129
  int nr = 0;
130
  const char *chp;
131
  if (string != NULL) {
132
    for (chp = string; *chp != '\0'; chp++) {
133
      nr += lf_putchr(file, *chp);
134
    }
135
  }
136
  return nr;
137
}
138
 
139
static int
140
do_lf_putunsigned(lf *file,
141
              unsigned u)
142
{
143
  int nr = 0;
144
  if (u > 0) {
145
    nr += do_lf_putunsigned(file, u / 10);
146
    nr += lf_putchr(file, (u % 10) + '0');
147
  }
148
  return nr;
149
}
150
 
151
 
152
int
153
lf_putint(lf *file,
154
          int decimal)
155
{
156
  int nr = 0;
157
  if (decimal == 0)
158
    nr += lf_putchr(file, '0');
159
  else if (decimal < 0) {
160
    nr += lf_putchr(file, '-');
161
    nr += do_lf_putunsigned(file, -decimal);
162
  }
163
  else if (decimal > 0) {
164
    nr += do_lf_putunsigned(file, decimal);
165
  }
166
  else
167
    ASSERT(0);
168
  return nr;
169
}
170
 
171
 
172
int
173
lf_printf(lf *file,
174
          const char *fmt,
175
          ...)
176
{
177
  int nr = 0;
178
  char buf[1024];
179
  va_list ap;
180
 
181
  va_start(ap, fmt);
182
  vsprintf(buf, fmt, ap);
183
  /* FIXME - this is really stuffed but so is vsprintf() on a sun! */
184
  ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf));
185
  nr += lf_putstr(file, buf);
186
  va_end(ap);
187
  return nr;
188
}
189
 
190
 
191
int
192
lf_print__c_code(lf *file,
193
                 const char *code)
194
{
195
  int nr = 0;
196
  const char *chp = code;
197
  int in_bit_field = 0;
198
  while (*chp != '\0') {
199
    if (*chp == '\t')
200
      chp++;
201
    if (*chp == '#')
202
      lf_indent_suppress(file);
203
    while (*chp != '\0' && *chp != '\n') {
204
      if (chp[0] == '{' && !isspace(chp[1])) {
205
        in_bit_field = 1;
206
        nr += lf_putchr(file, '_');
207
      }
208
      else if (in_bit_field && chp[0] == ':') {
209
        nr += lf_putchr(file, '_');
210
      }
211
      else if (in_bit_field && *chp == '}') {
212
        nr += lf_putchr(file, '_');
213
        in_bit_field = 0;
214
      }
215
      else {
216
        nr += lf_putchr(file, *chp);
217
      }
218
      chp++;
219
    }
220
    if (in_bit_field)
221
      error("bit field paren miss match some where\n");
222
    if (*chp == '\n') {
223
      nr += lf_putchr(file, '\n');
224
      chp++;
225
    }
226
  }
227
  nr += lf_putchr(file, '\n');
228
  return nr;
229
}
230
 
231
 
232
int
233
lf_print__external_reference(lf *file,
234
                             int line_nr,
235
                             const char *file_name)
236
{
237
  int nr = 0;
238
  switch (file->references) {
239
  case lf_include_references:
240
    lf_indent_suppress(file);
241
    nr += lf_putstr(file, "#line ");
242
    nr += lf_putint(file, line_nr);
243
    nr += lf_putstr(file, " \"");
244
    nr += lf_putstr(file, file_name);
245
    nr += lf_putstr(file, "\"\n");
246
    break;
247
  case lf_omit_references:
248
    break;
249
  }
250
  return nr;
251
}
252
 
253
int
254
lf_print__internal_reference(lf *file)
255
{
256
  int nr = 0;
257
  nr += lf_print__external_reference(file, file->line_nr+2, file->name);
258
  /* line_nr == last_line, want to number from next */
259
  return nr;
260
}
261
 
262
void
263
lf_indent(lf *file, int delta)
264
{
265
  file->indent += delta;
266
}
267
 
268
 
269
int
270
lf_print__gnu_copyleft(lf *file)
271
{
272
  int nr = 0;
273
  switch (file->type) {
274
  case lf_is_c:
275
  case lf_is_h:
276
    nr += lf_printf(file, "\n\
277
/*  This file is part of the program psim.\n\
278
\n\
279
    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>\n\
280
\n\
281
    This program is free software; you can redistribute it and/or modify\n\
282
    it under the terms of the GNU General Public License as published by\n\
283
    the Free Software Foundation; either version 2 of the License, or\n\
284
    (at your option) any later version.\n\
285
\n\
286
    This program is distributed in the hope that it will be useful,\n\
287
    but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
288
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n\
289
    GNU General Public License for more details.\n\
290
 \n\
291
    You should have received a copy of the GNU General Public License\n\
292
    along with this program; if not, write to the Free Software\n\
293
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\
294
 \n\
295
    --\n\
296
\n\
297
    This file was generated by the program %s */\n\
298
", filter_filename(file->program));
299
    break;
300
  default:
301
    ASSERT(0);
302
    break;
303
  }
304
  return nr;
305
}
306
 
307
 
308
int
309
lf_putbin(lf *file, int decimal, int width)
310
{
311
  int nr = 0;
312
  int bit;
313
  ASSERT(width > 0);
314
  for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
315
    if (decimal & bit)
316
      nr += lf_putchr(file, '1');
317
    else
318
      nr += lf_putchr(file, '0');
319
  }
320
  return nr;
321
}
322
 
323
int
324
lf_print__this_file_is_empty(lf *file)
325
{
326
  int nr = 0;
327
  switch (file->type) {
328
  case lf_is_c:
329
  case lf_is_h:
330
    nr += lf_printf(file,
331
                    "/* This generated file (%s) is intentionally left blank */\n",
332
                    file->name);
333
    break;
334
  default:
335
    ASSERT(0);
336
  }
337
  return nr;
338
}
339
 
340
int
341
lf_print__ucase_filename(lf *file)
342
{
343
  int nr = 0;
344
  const char *chp = file->name;
345
  while (*chp != '\0') {
346
    char ch = *chp;
347
    if (islower(ch)) {
348
      nr += lf_putchr(file, toupper(ch));
349
    }
350
    else if (ch == '.')
351
      nr += lf_putchr(file, '_');
352
    else
353
      nr += lf_putchr(file, ch);
354
    chp++;
355
  }
356
  return nr;
357
}
358
 
359
int
360
lf_print__file_start(lf *file)
361
{
362
  int nr = 0;
363
  switch (file->type) {
364
  case lf_is_h:
365
  case lf_is_c:
366
    nr += lf_print__gnu_copyleft(file);
367
    nr += lf_printf(file, "\n");
368
    nr += lf_printf(file, "#ifndef _");
369
    nr += lf_print__ucase_filename(file);
370
    nr += lf_printf(file, "_\n");
371
    nr += lf_printf(file, "#define _");
372
    nr += lf_print__ucase_filename(file);
373
    nr += lf_printf(file, "_\n");
374
    nr += lf_printf(file, "\n");
375
    break;
376
  default:
377
    ASSERT(0);
378
  }
379
  return nr;
380
}
381
 
382
 
383
int
384
lf_print__file_finish(lf *file)
385
{
386
  int nr = 0;
387
  switch (file->type) {
388
  case lf_is_h:
389
  case lf_is_c:
390
    nr += lf_printf(file, "\n");
391
    nr += lf_printf(file, "#endif /* _");
392
    nr += lf_print__ucase_filename(file);
393
    nr += lf_printf(file, "_*/\n");
394
    break;
395
  default:
396
    ASSERT(0);
397
  }
398
  return nr;
399
}
400
 
401
 
402
int
403
lf_print_function_type(lf *file,
404
                       const char *type,
405
                       const char *prefix,
406
                       const char *trailing_space)
407
{
408
  int nr = 0;
409
  nr += lf_printf(file, "%s\\\n(%s)", prefix, type);
410
  if (trailing_space != NULL)
411
    nr += lf_printf(file, "%s", trailing_space);
412
#if 0
413
  const char *type_pointer = strrchr(type, '*');
414
  int type_pointer_offset = (type_pointer != NULL
415
                             ? type_pointer - type
416
                             : 0);
417
  if (type_pointer == NULL) {
418
    lf_printf(file, "%s %s", type, prefix);
419
  }
420
  else {
421
    char *munged_type = (char*)zalloc(strlen(type)
422
                                      + strlen(prefix)
423
                                      + strlen(" * ")
424
                                      + 1);
425
    strcpy(munged_type, type);
426
    munged_type[type_pointer_offset] = '\0';
427
    if (type_pointer_offset > 0 && type[type_pointer_offset-1] != ' ')
428
      strcat(munged_type, " ");
429
    strcat(munged_type, prefix);
430
    strcat(munged_type, " ");
431
    strcat(munged_type, type + type_pointer_offset);
432
    lf_printf(file, "%s", munged_type);
433
    free(munged_type);
434
  }
435
  if (trailing_space != NULL && type_pointer_offset < strlen(type) - 1)
436
    lf_printf(file, trailing_space);
437
#endif
438
  return nr;
439
}
440
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.