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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [sim/] [ppc/] [lf.c] - Blame information for rev 866

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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 
 

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