aboutsummaryrefslogtreecommitdiff
path: root/gas/app.c
blob: 09492b426b4e94a59b3e3b13e0aa30f429e9a890 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
/* This is the Assembler Pre-Processor
   Copyright (C) 1987, 1990, 1991, 1992, 1994 Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS 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, or (at your option)
   any later version.

   GAS 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 GAS; see the file COPYING.  If not, write to
   the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/* Modified by Allen Wirfs-Brock, Instantiations Inc 2/90 */
/* App, the assembler pre-processor.  This pre-processor strips out excess
   spaces, turns single-quoted characters into a decimal constant, and turns
   # <number> <filename> <garbage> into a .line <number>\n.file <filename>
   pair.  This needs better error-handling.  */

#include <stdio.h>
#include "as.h"			/* For BAD_CASE() only */

#if (__STDC__ != 1)
#ifndef const
#define const  /* empty */
#endif
#endif

static char lex[256];
static const char symbol_chars[] =
"$._ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

#define LEX_IS_SYMBOL_COMPONENT		1
#define LEX_IS_WHITESPACE		2
#define LEX_IS_LINE_SEPARATOR		3
#define LEX_IS_COMMENT_START		4
#define LEX_IS_LINE_COMMENT_START	5
#define	LEX_IS_TWOCHAR_COMMENT_1ST	6
#define	LEX_IS_TWOCHAR_COMMENT_2ND	7
#define	LEX_IS_STRINGQUOTE		8
#define	LEX_IS_COLON			9
#define	LEX_IS_NEWLINE			10
#define	LEX_IS_ONECHAR_QUOTE		11
#define IS_SYMBOL_COMPONENT(c)		(lex[c] == LEX_IS_SYMBOL_COMPONENT)
#define IS_WHITESPACE(c)		(lex[c] == LEX_IS_WHITESPACE)
#define IS_LINE_SEPARATOR(c)		(lex[c] == LEX_IS_LINE_SEPARATOR)
#define IS_COMMENT(c)			(lex[c] == LEX_IS_COMMENT_START)
#define IS_LINE_COMMENT(c)		(lex[c] == LEX_IS_LINE_COMMENT_START)
#define	IS_NEWLINE(c)			(lex[c] == LEX_IS_NEWLINE)

static int process_escape PARAMS ((int));

/* FIXME-soon: The entire lexer/parser thingy should be
   built statically at compile time rather than dynamically
   each and every time the assembler is run.  xoxorich. */

void 
do_scrub_begin ()
{
  const char *p;

  lex[' '] = LEX_IS_WHITESPACE;
  lex['\t'] = LEX_IS_WHITESPACE;
  lex['\n'] = LEX_IS_NEWLINE;
  lex[';'] = LEX_IS_LINE_SEPARATOR;
  lex[':'] = LEX_IS_COLON;

  if (! flag_mri)
    {
      lex['"'] = LEX_IS_STRINGQUOTE;

#ifndef TC_HPPA
      lex['\''] = LEX_IS_ONECHAR_QUOTE;
#endif

#ifdef SINGLE_QUOTE_STRINGS
      lex['\''] = LEX_IS_STRINGQUOTE;
#endif
    }

  /* Note that these override the previous defaults, e.g. if ';' is a
     comment char, then it isn't a line separator.  */
  for (p = symbol_chars; *p; ++p)
    {
      lex[(unsigned char) *p] = LEX_IS_SYMBOL_COMPONENT;
    }				/* declare symbol characters */

  for (p = comment_chars; *p; p++)
    {
      lex[(unsigned char) *p] = LEX_IS_COMMENT_START;
    }				/* declare comment chars */

  for (p = line_comment_chars; *p; p++)
    {
      lex[(unsigned char) *p] = LEX_IS_LINE_COMMENT_START;
    }				/* declare line comment chars */

  for (p = line_separator_chars; *p; p++)
    {
      lex[(unsigned char) *p] = LEX_IS_LINE_SEPARATOR;
    }				/* declare line separators */

  /* Only allow slash-star comments if slash is not in use */
  if (lex['/'] == 0)
    {
      lex['/'] = LEX_IS_TWOCHAR_COMMENT_1ST;
    }
  /* FIXME-soon.  This is a bad hack but otherwise, we can't do
     c-style comments when '/' is a line comment char. xoxorich. */
  if (lex['*'] == 0)
    {
      lex['*'] = LEX_IS_TWOCHAR_COMMENT_2ND;
    }

  if (flag_mri)
    {
      lex['\''] = LEX_IS_STRINGQUOTE;
      lex[';'] = LEX_IS_COMMENT_START;
      lex['*'] = LEX_IS_LINE_COMMENT_START;
      /* The MRI documentation says '!' is LEX_IS_COMMENT_START, but
         then it can't be used in an expression.  */
      lex['!'] = LEX_IS_LINE_COMMENT_START;
    }
}				/* do_scrub_begin() */

FILE *scrub_file;

int 
scrub_from_file ()
{
  return getc (scrub_file);
}

void 
scrub_to_file (ch)
     int ch;
{
  ungetc (ch, scrub_file);
}				/* scrub_to_file() */

char *scrub_string;
char *scrub_last_string;

int 
scrub_from_string ()
{
  return scrub_string == scrub_last_string ? EOF : *scrub_string++;
}				/* scrub_from_string() */

void 
scrub_to_string (ch)
     int ch;
{
  *--scrub_string = ch;
}				/* scrub_to_string() */

/* Saved state of the scrubber */
static int state;
static int old_state;
static char *out_string;
static char out_buf[20];
static int add_newlines = 0;

/* Data structure for saving the state of app across #include's.  Note that
   app is called asynchronously to the parsing of the .include's, so our
   state at the time .include is interpreted is completely unrelated.
   That's why we have to save it all.  */

struct app_save
  {
    int state;
    int old_state;
    char *out_string;
    char out_buf[sizeof (out_buf)];
    int add_newlines;
    char *scrub_string;
    char *scrub_last_string;
    FILE *scrub_file;
  };

char *
app_push ()
{
  register struct app_save *saved;

  saved = (struct app_save *) xmalloc (sizeof (*saved));
  saved->state = state;
  saved->old_state = old_state;
  saved->out_string = out_string;
  memcpy (saved->out_buf, out_buf, sizeof (out_buf));
  saved->add_newlines = add_newlines;
  saved->scrub_string = scrub_string;
  saved->scrub_last_string = scrub_last_string;
  saved->scrub_file = scrub_file;

  /* do_scrub_begin() is not useful, just wastes time. */
  return (char *) saved;
}

void 
app_pop (arg)
     char *arg;
{
  register struct app_save *saved = (struct app_save *) arg;

  /* There is no do_scrub_end (). */
  state = saved->state;
  old_state = saved->old_state;
  out_string = saved->out_string;
  memcpy (out_buf, saved->out_buf, sizeof (out_buf));
  add_newlines = saved->add_newlines;
  scrub_string = saved->scrub_string;
  scrub_last_string = saved->scrub_last_string;
  scrub_file = saved->scrub_file;

  free (arg);
}				/* app_pop() */

/* @@ This assumes that \n &c are the same on host and target.  This is not
   necessarily true.  */
static int 
process_escape (ch)
     int ch;
{
  switch (ch)
    {
    case 'b':
      return '\b';
    case 'f':
      return '\f';
    case 'n':
      return '\n';
    case 'r':
      return '\r';
    case 't':
      return '\t';
    case '\'':
      return '\'';
    case '"':
      return '\"';
    default:
      return ch;
    }
}
int 
do_scrub_next_char (get, unget)
     int (*get) ();
     void (*unget) ();
{
  /*State 0: beginning of normal line
	  1: After first whitespace on line (flush more white)
	  2: After first non-white (opcode) on line (keep 1white)
	  3: after second white on line (into operands) (flush white)
	  4: after putting out a .line, put out digits
	  5: parsing a string, then go to old-state
	  6: putting out \ escape in a "d string.
	  7: After putting out a .appfile, put out string.
	  8: After putting out a .appfile string, flush until newline.
	  9: After seeing symbol char in state 3 (keep 1white after symchar)
	 10: After seeing whitespace in state 9 (keep white before symchar)
	 11: After seeing a symbol character in state 0 (eg a label definition)
	 -1: output string in out_string and go to the state in old_state
	 -2: flush text until a '*' '/' is seen, then go to state old_state
	  */

  /* I added states 9 and 10 because the MIPS ECOFF assembler uses
     constructs like ``.loc 1 20''.  This was turning into ``.loc
     120''.  States 9 and 10 ensure that a space is never dropped in
     between characters which could appear in a identifier.  Ian
     Taylor, ian@cygnus.com.

     I added state 11 so that something like "Lfoo add %r25,%r26,%r27" works
     correctly on the PA (and any other target where colons are optional).
     Jeff Law, law@cs.utah.edu.  */

  /* This is purely an optimization hack, and relies on gcc's inlining
     capability.  */
#if defined (__GNUC__) && defined (__OPTIMIZE__)
#define GET()	(get == scrub_from_file ? scrub_from_file () : (*get) ())
#else
#define GET()	((*get) ())
#endif

  register int ch, ch2 = 0;
  int not_cpp_line = 0;

  switch (state)
    {
    case -1:
      ch = *out_string++;
      if (*out_string == 0)
	{
	  state = old_state;
	  old_state = 3;
	}
      return ch;

    case -2:
      for (;;)
	{
	  do
	    {
	      ch = GET ();
	    }
	  while (ch != EOF && ch != '\n' && ch != '*');
	  if (ch == '\n' || ch == EOF)
	    return ch;

	  /* At this point, ch must be a '*' */
	  while ((ch = GET ()) == '*')
	    {
	      ;
	    }
	  if (ch == EOF || ch == '/')
	    break;
	  (*unget) (ch);
	}
      state = old_state;
      return ' ';

    case 4:
      ch = GET ();
      if (ch == EOF || (ch >= '0' && ch <= '9'))
	return ch;
      else
	{
	  while (ch != EOF && IS_WHITESPACE (ch))
	    ch = GET ();
	  if (ch == '"')
	    {
	      (*unget) (ch);
	      out_string = "\n\t.appfile ";
	      old_state = 7;
	      state = -1;
	      return *out_string++;
	    }
	  else
	    {
	      while (ch != EOF && ch != '\n')
		ch = GET ();
	      state = 0;
	      return ch;
	    }
	}

    case 5:
      ch = GET ();
      if (lex[ch] == LEX_IS_STRINGQUOTE)
	{
	  state = old_state;
	  return ch;
	}
#ifndef NO_STRING_ESCAPES
      else if (ch == '\\')
	{
	  state = 6;
	  return ch;
	}
#endif
      else if (ch == EOF)
	{
	  as_warn ("End of file in string: inserted '\"'");
	  state = old_state;
	  (*unget) ('\n');
	  return '"';
	}
      else
	{
	  return ch;
	}

    case 6:
      state = 5;
      ch = GET ();
      switch (ch)
	{
	  /* Handle strings broken across lines, by turning '\n' into
	     '\\' and 'n'.  */
	case '\n':
	  (*unget) ('n');
	  add_newlines++;
	  return '\\';

	case '"':
	case '\\':
	case 'b':
	case 'f':
	case 'n':
	case 'r':
	case 't':
	case 'v':
	case 'x':
	case 'X':
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	  break;
#if defined(IGNORE_NONSTANDARD_ESCAPES) | defined(ONLY_STANDARD_ESCAPES)
	default:
	  as_warn ("Unknown escape '\\%c' in string: Ignored", ch);
	  break;
#else /* ONLY_STANDARD_ESCAPES */
	default:
	  /* Accept \x as x for any x */
	  break;
#endif /* ONLY_STANDARD_ESCAPES */

	case EOF:
	  as_warn ("End of file in string: '\"' inserted");
	  return '"';
	}
      return ch;

    case 7:
      ch = GET ();
      state = 5;
      old_state = 8;
      return ch;

    case 8:
      do
	ch = GET ();
      while (ch != '\n');
      state = 0;
      return ch;
    }

  /* OK, we are somewhere in states 0 through 4 or 9 through 11 */

  /* flushchar: */
  ch = GET ();
recycle:
  if (ch == EOF)
    {
      if (state != 0)
	{
	  as_warn ("End of file not at end of a line: Newline inserted.");
	  state = 0;
	  return '\n';
	}
      return ch;
    }

  switch (lex[ch])
    {
    case LEX_IS_WHITESPACE:
      do
	/* Preserve a single whitespace character at the beginning of
	   a line.  */
	if (state == 0)
	  {
	    state = 1;
	    return ch;
	  }
	else
	  ch = GET ();
      while (ch != EOF && IS_WHITESPACE (ch));
      if (ch == EOF)
	return ch;

      if (IS_COMMENT (ch)
	  || (state == 0 && IS_LINE_COMMENT (ch))
	  || ch == '/'
	  || IS_LINE_SEPARATOR (ch))
	{
	  /* cpp never outputs a leading space before the #, so try to
	     avoid being confused.  */
	  not_cpp_line = 1;
	  goto recycle;
	}

      /* If we're in state 2 or 11, we've seen a non-white character
	 followed by whitespace.  If the next character is ':', this
	 is whitespace after a label name which we normally must
	 ignore.  In MRI mode, though, spaces are not permitted
	 between the label and the colon.  */
      if ((state == 2 || state == 11)
	  && lex[ch] == LEX_IS_COLON
	  && ! flag_mri)
	{
	  state = 1;
	  return ch;
	}

      switch (state)
	{
	case 0:
	  state++;
	  goto recycle;		/* Punted leading sp */
	case 1:
	  /* We can arrive here if we leave a leading whitespace character
	     at the beginning of a line.  */
	  goto recycle;
	case 2:
	  state = 3;
	  (*unget) (ch);
	  return ' ';		/* Sp after opco */
	case 3:
	  goto recycle;		/* Sp in operands */
	case 9:
	case 10:
	  state = 10;		/* Sp after symbol char */
	  goto recycle;
	case 11:
	  state = 1;
	  (*unget) (ch);
	  return ' ';		/* Sp after label definition.  */
	default:
	  BAD_CASE (state);
	}
      break;

    case LEX_IS_TWOCHAR_COMMENT_1ST:
      ch2 = GET ();
      if (ch2 != EOF && lex[ch2] == LEX_IS_TWOCHAR_COMMENT_2ND)
	{
	  for (;;)
	    {
	      do
		{
		  ch2 = GET ();
		  if (ch2 != EOF && IS_NEWLINE (ch2))
		    add_newlines++;
		}
	      while (ch2 != EOF &&
		     (lex[ch2] != LEX_IS_TWOCHAR_COMMENT_2ND));

	      while (ch2 != EOF &&
		     (lex[ch2] == LEX_IS_TWOCHAR_COMMENT_2ND))
		{
		  ch2 = GET ();
		}

	      if (ch2 == EOF
		  || lex[ch2] == LEX_IS_TWOCHAR_COMMENT_1ST)
		break;
	      (*unget) (ch);
	    }
	  if (ch2 == EOF)
	    as_warn ("End of file in multiline comment");

	  ch = ' ';
	  goto recycle;
	}
      else
	{
	  if (ch2 != EOF)
	    (*unget) (ch2);
	  if (state == 9 || state == 10)
	    state = 3;
	  return ch;
	}
      break;

    case LEX_IS_STRINGQUOTE:
      if (state == 10)
	{
	  /* Preserve the whitespace in foo "bar" */
	  (*unget) (ch);
	  state = 3;
	  return ' ';
	}
      else if (state == 9)
	old_state = 3;
      else
	old_state = state;
      state = 5;
      return ch;
#ifndef IEEE_STYLE
    case LEX_IS_ONECHAR_QUOTE:
      if (state == 10)
	{
	  /* Preserve the whitespace in foo 'b' */
	  (*unget) (ch);
	  state = 3;
	  return ' ';
	}
      ch = GET ();
      if (ch == EOF)
	{
	  as_warn ("End-of-file after a one-character quote; \\000 inserted");
	  ch = 0;
	}
      if (ch == '\\')
	{
	  ch = GET ();
	  ch = process_escape (ch);
	}
      sprintf (out_buf, "%d", (int) (unsigned char) ch);


      /* None of these 'x constants for us.  We want 'x'.  */
      if ((ch = GET ()) != '\'')
	{
#ifdef REQUIRE_CHAR_CLOSE_QUOTE
	  as_warn ("Missing close quote: (assumed)");
#else
	  (*unget) (ch);
#endif
	}
      if (strlen (out_buf) == 1)
	{
	  return out_buf[0];
	}
      if (state == 9)
	old_state = 3;
      else
	old_state = state;
      state = -1;
      out_string = out_buf;
      return *out_string++;
#endif
    case LEX_IS_COLON:
      if (state == 9 || state == 10)
	state = 3;
      else if (state != 3)
	state = 1;
      return ch;

    case LEX_IS_NEWLINE:
      /* Roll out a bunch of newlines from inside comments, etc.  */
      if (add_newlines)
	{
	  --add_newlines;
	  (*unget) (ch);
	}
      /* fall thru into... */

    case LEX_IS_LINE_SEPARATOR:
      state = 0;
      return ch;

    case LEX_IS_LINE_COMMENT_START:
      if (state == 0)		/* Only comment at start of line.  */
	{
	  /* FIXME-someday: The two character comment stuff was badly
	     thought out.  On i386, we want '/' as line comment start
	     AND we want C style comments.  hence this hack.  The
	     whole lexical process should be reworked.  xoxorich.  */
	  if (ch == '/')
	    {
	      ch2 = GET ();
	      if (ch2 == '*')
		{
		  state = -2;
		  return (do_scrub_next_char (get, unget));
		}
	      else
		{
		  (*unget) (ch2);
		}
	    }			/* bad hack */

	  if (ch != '#')
	    not_cpp_line = 1;

	  do
	    ch = GET ();
	  while (ch != EOF && IS_WHITESPACE (ch));
	  if (ch == EOF)
	    {
	      as_warn ("EOF in comment:  Newline inserted");
	      return '\n';
	    }
	  if (ch < '0' || ch > '9' || not_cpp_line)
	    {
	      /* Non-numerics:  Eat whole comment line */
	      while (ch != EOF && !IS_NEWLINE (ch))
		ch = GET ();
	      if (ch == EOF)
		as_warn ("EOF in Comment: Newline inserted");
	      state = 0;
	      return '\n';
	    }
	  /* Numerics begin comment.  Perhaps CPP `# 123 "filename"' */
	  (*unget) (ch);
	  old_state = 4;
	  state = -1;
	  out_string = "\t.appline ";
	  return *out_string++;
	}

      /* We have a line comment character which is not at the start of
	 a line.  If this is also a normal comment character, fall
	 through.  Otherwise treat it as a default character.  */
      if ((flag_mri && (ch == '!' || ch == '*'))
	  || strchr (comment_chars, ch) == NULL)
	goto de_fault;
      /* Fall through.  */
    case LEX_IS_COMMENT_START:
      do
	ch = GET ();
      while (ch != EOF && !IS_NEWLINE (ch));
      if (ch == EOF)
	as_warn ("EOF in comment:  Newline inserted");
      state = 0;
      return '\n';

    case LEX_IS_SYMBOL_COMPONENT:
      if (state == 10)
	{
	  /* This is a symbol character following another symbol
	     character, with whitespace in between.  We skipped the
	     whitespace earlier, so output it now.  */
	  (*unget) (ch);
	  state = 3;
	  return ' ';
	}
      if (state == 3)
	state = 9;
      /* Fall through.  */
    default:
    de_fault:
      /* Some relatively `normal' character.  */
      if (state == 0)
	{
	  state = 11;		/* Now seeing label definition */
	  return ch;
	}
      else if (state == 1)
	{
	  state = 2;		/* Ditto */
	  return ch;
	}
      else if (state == 9)
	{
	  if (lex[ch] != LEX_IS_SYMBOL_COMPONENT)
	    state = 3;
	  return ch;
	}
      else if (state == 10)
	{
	  state = 3;
	  return ch;
	}
      else
	{
	  return ch;		/* Opcode or operands already */
	}
    }
  return -1;

#undef GET
}

#ifdef TEST

const char comment_chars[] = "|";
const char line_comment_chars[] = "#";

main ()
{
  int ch;

  app_begin ();
  while ((ch = do_scrub_next_char (stdin)) != EOF)
    putc (ch, stdout);
}

as_warn (str)
     char *str;
{
  fputs (str, stderr);
  putc ('\n', stderr);
}

#endif

/* end of app.c */