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[/] [or1k/] [trunk/] [gdb-5.0/] [sim/] [igen/] [lf.c] - Blame information for rev 1765

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/*  This file is part of the program psim.
 
    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    */
 
 
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>
 
#include "config.h"
#include "misc.h"
#include "lf.h"
 
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
 
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
 
struct _lf {
  FILE *stream;
  int line_nr; /* nr complete lines written, curr line is line_nr+1 */
  int indent;
  int line_blank;
  const char *name;
  const char *program;
  lf_file_references references;
  lf_file_type type;
};
 
 
lf *
lf_open (char *name,
         char *real_name,
         lf_file_references references,
         lf_file_type type,
         const char *program)
{
  /* create a file object */
  lf *new_lf = ZALLOC(lf);
  ASSERT (new_lf != NULL);
  new_lf->references = references;
  new_lf->type = type;
  new_lf->name = (real_name == NULL ? name : real_name);
  new_lf->program = program;
  /* attach to stdout if pipe */
  if (!strcmp(name, "-")) {
    new_lf->stream = stdout;
  }
  else {
    /* create a new file */
    new_lf->stream = fopen(name, "w");
    if (new_lf->stream == NULL) {
      perror(name);
      exit(1);
    }
  }
  return new_lf;
}
 
 
void
lf_close(lf *file)
{
  if (file->stream != stdout) {
    if (fclose(file->stream)) {
      perror("lf_close.fclose");
      exit(1);
    }
    free(file);
  }
}
 
 
int
lf_putchr(lf *file,
          const char chr)
{
  int nr = 0;
  if (chr == '\n') {
    file->line_nr += 1;
    file->line_blank = 1;
  }
  else if (file->line_blank) {
    int pad;
    for (pad = file->indent; pad > 0; pad--)
      putc(' ', file->stream);
    nr += file->indent;
    file->line_blank = 0;
  }
  putc(chr, file->stream);
  nr += 1;
  return nr;
}
 
int
lf_write (lf *file,
          const char *string,
          int strlen_string)
{
  int nr = 0;
  int i;
  for (i = 0; i < strlen_string; i++)
    nr += lf_putchr (file, string[i]);
  return nr;
}
 
 
void
lf_indent_suppress(lf *file)
{
  file->line_blank = 0;
}
 
 
int
lf_putstr(lf *file,
          const char *string)
{
  int nr = 0;
  const char *chp;
  if (string != NULL) {
    for (chp = string; *chp != '\0'; chp++) {
      nr += lf_putchr(file, *chp);
    }
  }
  return nr;
}
 
static int
do_lf_putunsigned(lf *file,
              unsigned u)
{
  int nr = 0;
  if (u > 0) {
    nr += do_lf_putunsigned(file, u / 10);
    nr += lf_putchr(file, (u % 10) + '0');
  }
  return nr;
}
 
 
int
lf_putint(lf *file,
          int decimal)
{
  int nr = 0;
  if (decimal == 0)
    nr += lf_putchr(file, '0');
  else if (decimal < 0) {
    nr += lf_putchr(file, '-');
    nr += do_lf_putunsigned(file, -decimal);
  }
  else if (decimal > 0) {
    nr += do_lf_putunsigned(file, decimal);
  }
  else
    ASSERT(0);
  return nr;
}
 
 
int
lf_printf (lf *file,
           const char *fmt,
           ...)
{
  int nr = 0;
  char buf[1024];
  va_list ap;
 
  va_start (ap, fmt);
  vsprintf (buf, fmt, ap);
  /* FIXME - this is really stuffed but so is vsprintf() on a sun! */
  ASSERT (strlen (buf) < sizeof (buf));
  nr += lf_putstr (file, buf);
  va_end(ap);
  return nr;
}
 
 
int
lf_print__line_ref (lf *file,
                    line_ref *line)
{
  return lf_print__external_ref (file, line->line_nr, line->file_name);
}
 
int
lf_print__external_ref (lf *file,
                        int line_nr,
                        const char *file_name)
{
  int nr = 0;
  switch (file->references)
    {
    case lf_include_references:
      lf_indent_suppress(file);
      nr += lf_putstr (file, "#line ");
      nr += lf_putint (file, line_nr);
      nr += lf_putstr (file, " \"");
      nr += lf_putstr (file, file_name);
      nr += lf_putstr (file, "\"\n");
      break;
    case lf_omit_references:
      nr += lf_putstr (file, "/* ");
      nr += lf_putstr (file, file_name);
      nr += lf_putstr (file, ":");
      nr += lf_putint (file, line_nr);
      nr += lf_putstr (file, "*/\n");
      break;
    }
  return nr;
}
 
int
lf_print__internal_ref (lf *file)
{
  int nr = 0;
  nr += lf_print__external_ref (file, file->line_nr+2, file->name);
  /* line_nr == last_line, want to number from next */
  return nr;
}
 
void
lf_indent (lf *file, int delta)
{
  file->indent += delta;
}
 
 
int
lf_print__gnu_copyleft (lf *file)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_c:
  case lf_is_h:
    nr += lf_printf(file, "\
/*  This file is part of the program psim.
 
    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    --
 
    This file was generated by the program %s */
", filter_filename(file->program));
    break;
  default:
    ASSERT(0);
    break;
  }
  return nr;
}
 
 
int
lf_putbin(lf *file, int decimal, int width)
{
  int nr = 0;
  int bit;
  ASSERT(width > 0);
  for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
    if (decimal & bit)
      nr += lf_putchr(file, '1');
    else
      nr += lf_putchr(file, '0');
  }
  return nr;
}
 
int
lf_print__this_file_is_empty(lf *file,
                             const char *reason)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_c:
  case lf_is_h:
    nr += lf_printf (file,
                    "/* This generated file (%s) is intentionally left blank",
                    file->name);
    if (reason != NULL)
      nr += lf_printf (file, " - %s", reason);
    nr += lf_printf (file, " */\n");
    break;
  default:
    ERROR ("Bad switch");
  }
  return nr;
}
 
int
lf_print__ucase_filename(lf *file)
{
  int nr = 0;
  const char *chp = file->name;
  while (*chp != '\0') {
    char ch = *chp;
    if (islower(ch)) {
      nr += lf_putchr(file, toupper(ch));
    }
    else if (ch == '.')
      nr += lf_putchr(file, '_');
    else
      nr += lf_putchr(file, ch);
    chp++;
  }
  return nr;
}
 
int
lf_print__file_start(lf *file)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_h:
  case lf_is_c:
    nr += lf_print__gnu_copyleft(file);
    nr += lf_printf(file, "\n");
    nr += lf_printf(file, "#ifndef ");
    nr += lf_print__ucase_filename(file);
    nr += lf_printf(file, "\n");
    nr += lf_printf(file, "#define ");
    nr += lf_print__ucase_filename(file);
    nr += lf_printf(file, "\n");
    nr += lf_printf(file, "\n");
    break;
  default:
    ASSERT(0);
  }
  return nr;
}
 
 
int
lf_print__file_finish(lf *file)
{
  int nr = 0;
  switch (file->type) {
  case lf_is_h:
  case lf_is_c:
    nr += lf_printf(file, "\n");
    nr += lf_printf(file, "#endif /* _");
    nr += lf_print__ucase_filename(file);
    nr += lf_printf(file, "_*/\n");
    break;
  default:
    ASSERT(0);
  }
  return nr;
}
 
 
int
lf_print__function_type (lf *file,
                         const char *type,
                         const char *prefix,
                         const char *trailing_space)
{
  int nr = 0;
  nr += lf_printf (file, "%s\\\n(%s)", prefix, type);
  if (trailing_space != NULL)
    nr += lf_printf (file, "%s", trailing_space);
  return nr;
}
 
int
lf_print__function_type_function (lf *file,
                                  print_function *print_type,
                                  const char *prefix,
                                  const char *trailing_space)
{
  int nr = 0;
  nr += lf_printf (file, "%s\\\n(", prefix);
  nr += print_type (file);
  nr += lf_printf (file, ")");
  if (trailing_space != NULL)
    nr += lf_printf (file, "%s", trailing_space);
  return nr;
}
 

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[/] [or1k/] [trunk/] [gdb-5.0/] [sim/] [igen/] [lf.c] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	106	markom	`/* 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 "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			`int`
119			`lf_write (lf *file,`
120			`const char *string,`
121			`int strlen_string)`
122			`{`
123			`int nr = 0;`
124			`int i;`
125			`for (i = 0; i < strlen_string; i++)`
126			`nr += lf_putchr (file, string[i]);`
127			`return nr;`
128			`}`
129
130
131			`void`
132			`lf_indent_suppress(lf *file)`
133			`{`
134			`file->line_blank = 0;`
135			`}`
136
137
138			`int`
139			`lf_putstr(lf *file,`
140			`const char *string)`
141			`{`
142			`int nr = 0;`
143			`const char *chp;`
144			`if (string != NULL) {`
145			`for (chp = string; *chp != '\0'; chp++) {`
146			`nr += lf_putchr(file, *chp);`
147			`}`
148			`}`
149			`return nr;`
150			`}`
151
152			`static int`
153			`do_lf_putunsigned(lf *file,`
154			`unsigned u)`
155			`{`
156			`int nr = 0;`
157			`if (u > 0) {`
158			`nr += do_lf_putunsigned(file, u / 10);`
159			`nr += lf_putchr(file, (u % 10) + '0');`
160			`}`
161			`return nr;`
162			`}`
163
164
165			`int`
166			`lf_putint(lf *file,`
167			`int decimal)`
168			`{`
169			`int nr = 0;`
170			`if (decimal == 0)`
171			`nr += lf_putchr(file, '0');`
172			`else if (decimal < 0) {`
173			`nr += lf_putchr(file, '-');`
174			`nr += do_lf_putunsigned(file, -decimal);`
175			`}`
176			`else if (decimal > 0) {`
177			`nr += do_lf_putunsigned(file, decimal);`
178			`}`
179			`else`
180			`ASSERT(0);`
181			`return nr;`
182			`}`
183
184
185			`int`
186			`lf_printf (lf *file,`
187			`const char *fmt,`
188			`...)`
189			`{`
190			`int nr = 0;`
191			`char buf[1024];`
192			`va_list ap;`
193
194			`va_start (ap, fmt);`
195			`vsprintf (buf, fmt, ap);`
196			`/* FIXME - this is really stuffed but so is vsprintf() on a sun! */`
197			`ASSERT (strlen (buf) < sizeof (buf));`
198			`nr += lf_putstr (file, buf);`
199			`va_end(ap);`
200			`return nr;`
201			`}`
202
203
204			`int`
205			`lf_print__line_ref (lf *file,`
206			`line_ref *line)`
207			`{`
208			`return lf_print__external_ref (file, line->line_nr, line->file_name);`
209			`}`
210
211			`int`
212			`lf_print__external_ref (lf *file,`
213			`int line_nr,`
214			`const char *file_name)`
215			`{`
216			`int nr = 0;`
217			`switch (file->references)`
218			`{`
219			`case lf_include_references:`
220			`lf_indent_suppress(file);`
221			`nr += lf_putstr (file, "#line ");`
222			`nr += lf_putint (file, line_nr);`
223			`nr += lf_putstr (file, " \"");`
224			`nr += lf_putstr (file, file_name);`
225			`nr += lf_putstr (file, "\"\n");`
226			`break;`
227			`case lf_omit_references:`
228			`nr += lf_putstr (file, "/* ");`
229			`nr += lf_putstr (file, file_name);`
230			`nr += lf_putstr (file, ":");`
231			`nr += lf_putint (file, line_nr);`
232			`nr += lf_putstr (file, "*/\n");`
233			`break;`
234			`}`
235			`return nr;`
236			`}`
237
238			`int`
239			`lf_print__internal_ref (lf *file)`
240			`{`
241			`int nr = 0;`
242			`nr += lf_print__external_ref (file, file->line_nr+2, file->name);`
243			`/* line_nr == last_line, want to number from next */`
244			`return nr;`
245			`}`
246
247			`void`
248			`lf_indent (lf *file, int delta)`
249			`{`
250			`file->indent += delta;`
251			`}`
252
253
254			`int`
255			`lf_print__gnu_copyleft (lf *file)`
256			`{`
257			`int nr = 0;`
258			`switch (file->type) {`
259			`case lf_is_c:`
260			`case lf_is_h:`
261			`nr += lf_printf(file, "\`
262			`/* This file is part of the program psim.`
263
264			`Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>`
265
266			`This program is free software; you can redistribute it and/or modify`
267			`it under the terms of the GNU General Public License as published by`
268			`the Free Software Foundation; either version 2 of the License, or`
269			`(at your option) any later version.`
270
271			`This program is distributed in the hope that it will be useful,`
272			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
273			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
274			`GNU General Public License for more details.`
275
276			`You should have received a copy of the GNU General Public License`
277			`along with this program; if not, write to the Free Software`
278			`Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.`
279
280			`--`
281
282			`This file was generated by the program %s */`
283			`", filter_filename(file->program));`
284			`break;`
285			`default:`
286			`ASSERT(0);`
287			`break;`
288			`}`
289			`return nr;`
290			`}`
291
292
293			`int`
294			`lf_putbin(lf *file, int decimal, int width)`
295			`{`
296			`int nr = 0;`
297			`int bit;`
298			`ASSERT(width > 0);`
299			`for (bit = 1 << (width-1); bit != 0; bit >>= 1) {`
300			`if (decimal & bit)`
301			`nr += lf_putchr(file, '1');`
302			`else`
303			`nr += lf_putchr(file, '0');`
304			`}`
305			`return nr;`
306			`}`
307
308			`int`
309			`lf_print__this_file_is_empty(lf *file,`
310			`const char *reason)`
311			`{`
312			`int nr = 0;`
313			`switch (file->type) {`
314			`case lf_is_c:`
315			`case lf_is_h:`
316			`nr += lf_printf (file,`
317			`"/* This generated file (%s) is intentionally left blank",`
318			`file->name);`
319			`if (reason != NULL)`
320			`nr += lf_printf (file, " - %s", reason);`
321			`nr += lf_printf (file, " */\n");`
322			`break;`
323			`default:`
324			`ERROR ("Bad switch");`
325			`}`
326			`return nr;`
327			`}`
328
329			`int`
330			`lf_print__ucase_filename(lf *file)`
331			`{`
332			`int nr = 0;`
333			`const char *chp = file->name;`
334			`while (*chp != '\0') {`
335			`char ch = *chp;`
336			`if (islower(ch)) {`
337			`nr += lf_putchr(file, toupper(ch));`
338			`}`
339			`else if (ch == '.')`
340			`nr += lf_putchr(file, '_');`
341			`else`
342			`nr += lf_putchr(file, ch);`
343			`chp++;`
344			`}`
345			`return nr;`
346			`}`
347
348			`int`
349			`lf_print__file_start(lf *file)`
350			`{`
351			`int nr = 0;`
352			`switch (file->type) {`
353			`case lf_is_h:`
354			`case lf_is_c:`
355			`nr += lf_print__gnu_copyleft(file);`
356			`nr += lf_printf(file, "\n");`
357			`nr += lf_printf(file, "#ifndef ");`
358			`nr += lf_print__ucase_filename(file);`
359			`nr += lf_printf(file, "\n");`
360			`nr += lf_printf(file, "#define ");`
361			`nr += lf_print__ucase_filename(file);`
362			`nr += lf_printf(file, "\n");`
363			`nr += lf_printf(file, "\n");`
364			`break;`
365			`default:`
366			`ASSERT(0);`
367			`}`
368			`return nr;`
369			`}`
370
371
372			`int`
373			`lf_print__file_finish(lf *file)`
374			`{`
375			`int nr = 0;`
376			`switch (file->type) {`
377			`case lf_is_h:`
378			`case lf_is_c:`
379			`nr += lf_printf(file, "\n");`
380			`nr += lf_printf(file, "#endif /* _");`
381			`nr += lf_print__ucase_filename(file);`
382			`nr += lf_printf(file, "_*/\n");`
383			`break;`
384			`default:`
385			`ASSERT(0);`
386			`}`
387			`return nr;`
388			`}`
389
390
391			`int`
392			`lf_print__function_type (lf *file,`
393			`const char *type,`
394			`const char *prefix,`
395			`const char *trailing_space)`
396			`{`
397			`int nr = 0;`
398			`nr += lf_printf (file, "%s\\\n(%s)", prefix, type);`
399			`if (trailing_space != NULL)`
400			`nr += lf_printf (file, "%s", trailing_space);`
401			`return nr;`
402			`}`
403
404			`int`
405			`lf_print__function_type_function (lf *file,`
406			`print_function *print_type,`
407			`const char *prefix,`
408			`const char *trailing_space)`
409			`{`
410			`int nr = 0;`
411			`nr += lf_printf (file, "%s\\\n(", prefix);`
412			`nr += print_type (file);`
413			`nr += lf_printf (file, ")");`
414			`if (trailing_space != NULL)`
415			`nr += lf_printf (file, "%s", trailing_space);`
416			`return nr;`
417			`}`
418