src/files.c

/* Open and close files for bison,
   Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc.

This file is part of Bison, the GNU Compiler Compiler.

Bison 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.

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


#include "system.h"

#if defined (VMS) & !defined (__VMS_POSIX)
#include <ssdef.h>
#define unlink delete
#ifndef XPFILE
#define XPFILE "GNU_BISON:[000000]BISON.SIMPLE"
#endif
#ifndef XPFILE1
#define XPFILE1 "GNU_BISON:[000000]BISON.HAIRY"
#endif
#endif

#if defined (_MSC_VER)
#ifndef XPFILE
#define XPFILE "c:/usr/local/lib/bison.simple"
#endif
#ifndef XPFILE1
#define XPFILE1 "c:/usr/local/lib/bison.hairy"
#endif
#endif

#include <stdio.h>

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include "files.h"
#include "alloc.h"
#include "gram.h"

FILE *finput = NULL;
FILE *foutput = NULL;
FILE *fdefines = NULL;
FILE *ftable = NULL;
FILE *fattrs = NULL;
FILE *fguard = NULL;
FILE *faction = NULL;
FILE *fparser = NULL;

/* File name specified with -o for the output file, or 0 if no -o.  */
char *spec_outfile;

char *infile;
char *outfile;
char *defsfile;
char *tabfile;
char *attrsfile;
char *guardfile;
char *actfile;
char *tmpattrsfile;
char *tmptabfile;
char *tmpdefsfile;

extern int noparserflag;

extern char	*mktemp();	/* So the compiler won't complain */
extern char	*getenv();
extern void	perror();

char *stringappend PARAMS((char *, int, char *));
void openfiles PARAMS((void));
void open_extra_files PARAMS((void));
FILE *tryopen PARAMS((char *, char *));	/* This might be a good idea */
int tryclose PARAMS((FILE *));
void done PARAMS((int));

extern char *program_name;
extern int verboseflag;
extern int definesflag;
int fixed_outfiles = 0;
\f

char *
stringappend (char *string1, int end1, char *string2)
{
  register char *ostring;
  register char *cp, *cp1;
  register int i;

  cp = string2;  i = 0;
  while (*cp++) i++;

  ostring = NEW2(i+end1+1, char);

  cp = ostring;
  cp1 = string1;
  for (i = 0; i < end1; i++)
    *cp++ = *cp1++;

  cp1 = string2;
  while ((*cp++ = *cp1++))
    ;

  return ostring;
}


/* JF this has been hacked to death.  Nowaday it sets up the file names for
   the output files, and opens the tmp files and the parser */
void
openfiles (void)
{
  char *name_base;
#ifdef MSDOS
  register char *cp;
#endif
  char *filename;
  int base_length;
  int short_base_length;

#if defined (VMS) & !defined (__VMS_POSIX)
  char *tmp_base = "sys$scratch:b_";
#else
  char *tmp_base = "/tmp/b.";
#endif
  int tmp_len;

#ifdef MSDOS
  tmp_base = getenv ("TMP");
  if (tmp_base == 0)
    tmp_base = "";
  strlwr (infile);
#endif /* MSDOS */

#if (defined(_WIN32) && !defined(__CYGWIN32__))
  tmp_base = getenv ("TEMP");		/* Windows95 defines this ... */
  if (tmp_base == 0)
    tmp_base = getenv ("Temp");		/* ... while NT prefers this */
  if (tmp_base == 0)
    tmp_base = "";
  strlwr (infile);
#endif /* _WIN32 && !__CYGWIN32__ */

#if (defined(unix) || defined(__unix) || defined(__unix__) || defined(__EMX__))
  {
    char *tmp_ptr = getenv("TMPDIR");

    if (tmp_ptr != 0)
      tmp_base = stringappend (tmp_ptr, strlen (tmp_ptr), "/b.");
  }
#endif  /* unix || __unix || __unix__ */

  tmp_len = strlen (tmp_base);

  if (spec_outfile)
    {
      /* -o was specified.  The precise -o name will be used for ftable.
	 For other output files, remove the ".c" or ".tab.c" suffix.  */
      name_base = spec_outfile;
#ifdef MSDOS
      strlwr (name_base);
#endif /* MSDOS */
      /* BASE_LENGTH includes ".tab" but not ".c".  */
      base_length = strlen (name_base);
      if (!strcmp (name_base + base_length - 2, ".c"))
	base_length -= 2;
      /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c".  */
      short_base_length = base_length;
      if (!strncmp (name_base + short_base_length - 4, ".tab", 4))
	short_base_length -= 4;
      else if (!strncmp (name_base + short_base_length - 4, "_tab", 4))
	short_base_length -= 4;
    }
  else if (spec_file_prefix)
    {
      /* -b was specified.  Construct names from it.  */
      /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c".  */
      short_base_length = strlen (spec_file_prefix);
      /* Count room for `.tab'.  */
      base_length = short_base_length + 4;
      name_base = (char *) xmalloc (base_length + 1);
      /* Append `.tab'.  */
      strcpy (name_base, spec_file_prefix);
#ifdef VMS
      strcat (name_base, "_tab");
#else
      strcat (name_base, ".tab");
#endif
#ifdef MSDOS
      strlwr (name_base);
#endif /* MSDOS */
    }
  else
    {
      /* -o was not specified; compute output file name from input
	 or use y.tab.c, etc., if -y was specified.  */

      name_base = fixed_outfiles ? "y.y" : infile;

      /* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any.  */

      base_length = strlen (name_base);
      if (!strcmp (name_base + base_length - 2, ".y"))
	base_length -= 2;
      short_base_length = base_length;

#ifdef VMS
      name_base = stringappend(name_base, short_base_length, "_tab");
#else
#ifdef MSDOS
      name_base = stringappend(name_base, short_base_length, "_tab");
#else
      name_base = stringappend(name_base, short_base_length, ".tab");
#endif /* not MSDOS */
#endif
      base_length = short_base_length + 4;
    }

  finput = tryopen(infile, "r");

  if (! noparserflag)
    {
      filename = getenv("BISON_SIMPLE");
#ifdef MSDOS
      /* File doesn't exist in current directory; try in INIT directory.  */
      cp = getenv("INIT");
      if (filename == 0 && cp != NULL)
        {
          filename = xmalloc(strlen(cp) + strlen(PFILE) + 2);
          strcpy(filename, cp);
          cp = filename + strlen(filename);
          *cp++ = '/';
          strcpy(cp, PFILE);
        }
#endif /* MSDOS */
      fparser = tryopen(filename ? filename : PFILE, "r");
    }

  if (verboseflag)
    {
#ifdef MSDOS
      outfile = stringappend(name_base, short_base_length, ".out");
#else
      /* We used to use just .out if spec_name_prefix (-p) was used,
	 but that conflicts with Posix.  */
      outfile = stringappend(name_base, short_base_length, ".output");
#endif
      foutput = tryopen(outfile, "w");
    }

  if (noparserflag)
    {
      /* use permanent name for actions file */
      actfile = stringappend(name_base, short_base_length, ".act");
      faction = tryopen(actfile, "w");
    }

#ifdef MSDOS
  if (! noparserflag)
    actfile = mktemp(stringappend(tmp_base, tmp_len, "acXXXXXX"));
  tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "atXXXXXX"));
  tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "taXXXXXX"));
  tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "deXXXXXX"));
#else
  if (! noparserflag)
    actfile = mktemp(stringappend(tmp_base, tmp_len, "act.XXXXXX"));
  tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "attrs.XXXXXX"));
  tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "tab.XXXXXX"));
  tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "defs.XXXXXX"));
#endif /* not MSDOS */

  if (! noparserflag)
    faction = tryopen(actfile, "w+");
  fattrs = tryopen(tmpattrsfile,"w+");
  ftable = tryopen(tmptabfile, "w+");

  if (definesflag)
    {
      defsfile = stringappend(name_base, base_length, ".h");
      fdefines = tryopen(tmpdefsfile, "w+");
    }

#if !(defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__)))
  if (! noparserflag)
    unlink(actfile);
  unlink(tmpattrsfile);
  unlink(tmptabfile);
  unlink(tmpdefsfile);
#endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */

	/* These are opened by `done' or `open_extra_files', if at all */
  if (spec_outfile)
    tabfile = spec_outfile;
  else
    tabfile = stringappend(name_base, base_length, ".c");

#ifdef VMS
  attrsfile = stringappend(name_base, short_base_length, "_stype.h");
  guardfile = stringappend(name_base, short_base_length, "_guard.c");
#else
#ifdef MSDOS
  attrsfile = stringappend(name_base, short_base_length, ".sth");
  guardfile = stringappend(name_base, short_base_length, ".guc");
#else
  attrsfile = stringappend(name_base, short_base_length, ".stype.h");
  guardfile = stringappend(name_base, short_base_length, ".guard.c");
#endif /* not MSDOS */
#endif /* not VMS */
}


/* open the output files needed only for the semantic parser.
This is done when %semantic_parser is seen in the declarations section.  */

void
open_extra_files (void)
{
  FILE *ftmp;
  int c;
  char *filename;
#ifdef MSDOS
  char *cp;
#endif

  tryclose(fparser);

  if (! noparserflag)
    {
      filename = (char *) getenv ("BISON_HAIRY");
#ifdef MSDOS
      /* File doesn't exist in current directory; try in INIT directory.  */
      cp = getenv("INIT");
      if (filename == 0 && cp != NULL)
        {
          filename = xmalloc(strlen(cp) + strlen(PFILE1) + 2);
          strcpy(filename, cp);
          cp = filename + strlen(filename);
          *cp++ = '/';
          strcpy(cp, PFILE1);
        }
#endif
      fparser= tryopen(filename ? filename : PFILE1, "r");
    }

		/* JF change from inline attrs file to separate one */
  ftmp = tryopen(attrsfile, "w");
  rewind(fattrs);
  while((c=getc(fattrs))!=EOF)	/* Thank god for buffering */
    putc(c,ftmp);
  tryclose(fattrs);
  fattrs=ftmp;

  fguard = tryopen(guardfile, "w");

}

	/* JF to make file opening easier.  This func tries to open file
	   NAME with mode MODE, and prints an error message if it fails. */
FILE *
tryopen (char *name, char *mode)
{
  FILE	*ptr;

  ptr = fopen(name, mode);
  if (ptr == NULL)
    {
      fprintf(stderr, "%s: ", program_name);
      perror(name);
      done(2);
    }
  return ptr;
}

int
tryclose (FILE *ptr)
{
  int result;

  if (ptr == NULL)
    return 0;

  result = fclose (ptr);
  if (result == EOF)
    {
      fprintf (stderr, "%s: ", program_name);
      perror ("fclose");
      done (2);
    }
  return result;
}

void
done (int k)
{
  tryclose(faction);
  tryclose(fattrs);
  tryclose(fguard);
  tryclose(finput);
  tryclose(fparser);
  tryclose(foutput);

	/* JF write out the output file */
  if (k == 0 && ftable)
    {
      FILE *ftmp;
      register int c;

      ftmp=tryopen(tabfile, "w");
      rewind(ftable);
      while((c=getc(ftable)) != EOF)
        putc(c,ftmp);
      tryclose(ftmp);
      tryclose(ftable);

      if (definesflag)
        {
          ftmp = tryopen(defsfile, "w");
          fflush(fdefines);
          rewind(fdefines);
          while((c=getc(fdefines)) != EOF)
            putc(c,ftmp);
          tryclose(ftmp);
          tryclose(fdefines);
        }
    }

#if defined (VMS) & !defined (__VMS_POSIX)
  if (faction && ! noparserflag)
    delete(actfile);
  if (fattrs)
    delete(tmpattrsfile);
  if (ftable)
    delete(tmptabfile);
  if (k==0) sys$exit(SS$_NORMAL);
  sys$exit(SS$_ABORT);
#else
#if (defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__)))
  if (actfile && ! noparserflag) unlink(actfile);
  if (tmpattrsfile) unlink(tmpattrsfile);
  if (tmptabfile) unlink(tmptabfile);
  if (tmpdefsfile) unlink(tmpdefsfile);
#endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */
  exit(k);
#endif /* not VMS, or __VMS_POSIX */
}
Commit	Line	Data
	1	/* Open and close files for bison,
	2	Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc.
	3
	4	This file is part of Bison, the GNU Compiler Compiler.
	5
	6	Bison is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2, or (at your option)
	9	any later version.
	10
	11	Bison is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with Bison; see the file COPYING. If not, write to
	18	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	19	Boston, MA 02111-1307, USA. */
	20
	21
	22	#include "system.h"
	23
	24	#if defined (VMS) & !defined (__VMS_POSIX)
	25	#include <ssdef.h>
	26	#define unlink delete
	27	#ifndef XPFILE
	28	#define XPFILE "GNU_BISON:[000000]BISON.SIMPLE"
	29	#endif
	30	#ifndef XPFILE1
	31	#define XPFILE1 "GNU_BISON:[000000]BISON.HAIRY"
	32	#endif
	33	#endif
	34
	35	#if defined (_MSC_VER)
	36	#ifndef XPFILE
	37	#define XPFILE "c:/usr/local/lib/bison.simple"
	38	#endif
	39	#ifndef XPFILE1
	40	#define XPFILE1 "c:/usr/local/lib/bison.hairy"
	41	#endif
	42	#endif
	43
	44	#include <stdio.h>
	45
	46	#ifdef HAVE_UNISTD_H
	47	#include <unistd.h>
	48	#endif
	49
	50	#include "files.h"
	51	#include "alloc.h"
	52	#include "gram.h"
	53
	54	FILE *finput = NULL;
	55	FILE *foutput = NULL;
	56	FILE *fdefines = NULL;
	57	FILE *ftable = NULL;
	58	FILE *fattrs = NULL;
	59	FILE *fguard = NULL;
	60	FILE *faction = NULL;
	61	FILE *fparser = NULL;
	62
	63	/* File name specified with -o for the output file, or 0 if no -o. */
	64	char *spec_outfile;
	65
	66	char *infile;
	67	char *outfile;
	68	char *defsfile;
	69	char *tabfile;
	70	char *attrsfile;
	71	char *guardfile;
	72	char *actfile;
	73	char *tmpattrsfile;
	74	char *tmptabfile;
	75	char *tmpdefsfile;
	76
	77	extern int noparserflag;
	78
	79	extern char mktemp(); / So the compiler won't complain */
	80	extern char *getenv();
	81	extern void perror();
	82
	83	char stringappend PARAMS((char , int, char *));
	84	void openfiles PARAMS((void));
	85	void open_extra_files PARAMS((void));
	86	FILE tryopen PARAMS((char , char )); / This might be a good idea */
	87	int tryclose PARAMS((FILE *));
	88	void done PARAMS((int));
	89
	90	extern char *program_name;
	91	extern int verboseflag;
	92	extern int definesflag;
	93	int fixed_outfiles = 0;
	94	\f
	95
	96	char *
	97	stringappend (char string1, int end1, char string2)
	98	{
	99	register char *ostring;
	100	register char cp, cp1;
	101	register int i;
	102
	103	cp = string2; i = 0;
	104	while (*cp++) i++;
	105
	106	ostring = NEW2(i+end1+1, char);
	107
	108	cp = ostring;
	109	cp1 = string1;
	110	for (i = 0; i < end1; i++)
	111	cp++ = cp1++;
	112
	113	cp1 = string2;
	114	while ((cp++ = cp1++))
	115	;
	116
	117	return ostring;
	118	}
	119
	120
	121	/* JF this has been hacked to death. Nowaday it sets up the file names for
	122	the output files, and opens the tmp files and the parser */
	123	void
	124	openfiles (void)
	125	{
	126	char *name_base;
	127	#ifdef MSDOS
	128	register char *cp;
	129	#endif
	130	char *filename;
	131	int base_length;
	132	int short_base_length;
	133
	134	#if defined (VMS) & !defined (__VMS_POSIX)
	135	char *tmp_base = "sys$scratch:b_";
	136	#else
	137	char *tmp_base = "/tmp/b.";
	138	#endif
	139	int tmp_len;
	140
	141	#ifdef MSDOS
	142	tmp_base = getenv ("TMP");
	143	if (tmp_base == 0)
	144	tmp_base = "";
	145	strlwr (infile);
	146	#endif /* MSDOS */
	147
	148	#if (defined(_WIN32) && !defined(__CYGWIN32__))
	149	tmp_base = getenv ("TEMP"); /* Windows95 defines this ... */
	150	if (tmp_base == 0)
	151	tmp_base = getenv ("Temp"); /* ... while NT prefers this */
	152	if (tmp_base == 0)
	153	tmp_base = "";
	154	strlwr (infile);
	155	#endif /* _WIN32 && !__CYGWIN32__ */
	156
	157	#if (defined(unix) \|\| defined(__unix) \|\| defined(__unix__) \|\| defined(__EMX__))
	158	{
	159	char *tmp_ptr = getenv("TMPDIR");
	160
	161	if (tmp_ptr != 0)
	162	tmp_base = stringappend (tmp_ptr, strlen (tmp_ptr), "/b.");
	163	}
	164	#endif /* unix \|\| __unix \|\| __unix__ */
	165
	166	tmp_len = strlen (tmp_base);
	167
	168	if (spec_outfile)
	169	{
	170	/* -o was specified. The precise -o name will be used for ftable.
	171	For other output files, remove the ".c" or ".tab.c" suffix. */
	172	name_base = spec_outfile;
	173	#ifdef MSDOS
	174	strlwr (name_base);
	175	#endif /* MSDOS */
	176	/* BASE_LENGTH includes ".tab" but not ".c". */
	177	base_length = strlen (name_base);
	178	if (!strcmp (name_base + base_length - 2, ".c"))
	179	base_length -= 2;
	180	/* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */
	181	short_base_length = base_length;
	182	if (!strncmp (name_base + short_base_length - 4, ".tab", 4))
	183	short_base_length -= 4;
	184	else if (!strncmp (name_base + short_base_length - 4, "_tab", 4))
	185	short_base_length -= 4;
	186	}
	187	else if (spec_file_prefix)
	188	{
	189	/* -b was specified. Construct names from it. */
	190	/* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */
	191	short_base_length = strlen (spec_file_prefix);
	192	/* Count room for `.tab'. */
	193	base_length = short_base_length + 4;
	194	name_base = (char *) xmalloc (base_length + 1);
	195	/* Append `.tab'. */
	196	strcpy (name_base, spec_file_prefix);
	197	#ifdef VMS
	198	strcat (name_base, "_tab");
	199	#else
	200	strcat (name_base, ".tab");
	201	#endif
	202	#ifdef MSDOS
	203	strlwr (name_base);
	204	#endif /* MSDOS */
	205	}
	206	else
	207	{
	208	/* -o was not specified; compute output file name from input
	209	or use y.tab.c, etc., if -y was specified. */
	210
	211	name_base = fixed_outfiles ? "y.y" : infile;
	212
	213	/* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */
	214
	215	base_length = strlen (name_base);
	216	if (!strcmp (name_base + base_length - 2, ".y"))
	217	base_length -= 2;
	218	short_base_length = base_length;
	219
	220	#ifdef VMS
	221	name_base = stringappend(name_base, short_base_length, "_tab");
	222	#else
	223	#ifdef MSDOS
	224	name_base = stringappend(name_base, short_base_length, "_tab");
	225	#else
	226	name_base = stringappend(name_base, short_base_length, ".tab");
	227	#endif /* not MSDOS */
	228	#endif
	229	base_length = short_base_length + 4;
	230	}
	231
	232	finput = tryopen(infile, "r");
	233
	234	if (! noparserflag)
	235	{
	236	filename = getenv("BISON_SIMPLE");
	237	#ifdef MSDOS
	238	/* File doesn't exist in current directory; try in INIT directory. */
	239	cp = getenv("INIT");
	240	if (filename == 0 && cp != NULL)
	241	{
	242	filename = xmalloc(strlen(cp) + strlen(PFILE) + 2);
	243	strcpy(filename, cp);
	244	cp = filename + strlen(filename);
	245	*cp++ = '/';
	246	strcpy(cp, PFILE);
	247	}
	248	#endif /* MSDOS */
	249	fparser = tryopen(filename ? filename : PFILE, "r");
	250	}
	251
	252	if (verboseflag)
	253	{
	254	#ifdef MSDOS
	255	outfile = stringappend(name_base, short_base_length, ".out");
	256	#else
	257	/* We used to use just .out if spec_name_prefix (-p) was used,
	258	but that conflicts with Posix. */
	259	outfile = stringappend(name_base, short_base_length, ".output");
	260	#endif
	261	foutput = tryopen(outfile, "w");
	262	}
	263
	264	if (noparserflag)
	265	{
	266	/* use permanent name for actions file */
	267	actfile = stringappend(name_base, short_base_length, ".act");
	268	faction = tryopen(actfile, "w");
	269	}
	270
	271	#ifdef MSDOS
	272	if (! noparserflag)
	273	actfile = mktemp(stringappend(tmp_base, tmp_len, "acXXXXXX"));
	274	tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "atXXXXXX"));
	275	tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "taXXXXXX"));
	276	tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "deXXXXXX"));
	277	#else
	278	if (! noparserflag)
	279	actfile = mktemp(stringappend(tmp_base, tmp_len, "act.XXXXXX"));
	280	tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "attrs.XXXXXX"));
	281	tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "tab.XXXXXX"));
	282	tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "defs.XXXXXX"));
	283	#endif /* not MSDOS */
	284
	285	if (! noparserflag)
	286	faction = tryopen(actfile, "w+");
	287	fattrs = tryopen(tmpattrsfile,"w+");
	288	ftable = tryopen(tmptabfile, "w+");
	289
	290	if (definesflag)
	291	{
	292	defsfile = stringappend(name_base, base_length, ".h");
	293	fdefines = tryopen(tmpdefsfile, "w+");
	294	}
	295
	296	#if !(defined (MSDOS) \|\| (defined(_WIN32) && !defined(__CYGWIN32__)))
	297	if (! noparserflag)
	298	unlink(actfile);
	299	unlink(tmpattrsfile);
	300	unlink(tmptabfile);
	301	unlink(tmpdefsfile);
	302	#endif /* MSDOS \|\| (_WIN32 && !__CYGWIN32__) */
	303
	304	/* These are opened by `done' or `open_extra_files', if at all */
	305	if (spec_outfile)
	306	tabfile = spec_outfile;
	307	else
	308	tabfile = stringappend(name_base, base_length, ".c");
	309
	310	#ifdef VMS
	311	attrsfile = stringappend(name_base, short_base_length, "_stype.h");
	312	guardfile = stringappend(name_base, short_base_length, "_guard.c");
	313	#else
	314	#ifdef MSDOS
	315	attrsfile = stringappend(name_base, short_base_length, ".sth");
	316	guardfile = stringappend(name_base, short_base_length, ".guc");
	317	#else
	318	attrsfile = stringappend(name_base, short_base_length, ".stype.h");
	319	guardfile = stringappend(name_base, short_base_length, ".guard.c");
	320	#endif /* not MSDOS */
	321	#endif /* not VMS */
	322	}
	323
	324
	325
	326	/* open the output files needed only for the semantic parser.
	327	This is done when %semantic_parser is seen in the declarations section. */
	328
	329	void
	330	open_extra_files (void)
	331	{
	332	FILE *ftmp;
	333	int c;
	334	char *filename;
	335	#ifdef MSDOS
	336	char *cp;
	337	#endif
	338
	339	tryclose(fparser);
	340
	341	if (! noparserflag)
	342	{
	343	filename = (char *) getenv ("BISON_HAIRY");
	344	#ifdef MSDOS
	345	/* File doesn't exist in current directory; try in INIT directory. */
	346	cp = getenv("INIT");
	347	if (filename == 0 && cp != NULL)
	348	{
	349	filename = xmalloc(strlen(cp) + strlen(PFILE1) + 2);
	350	strcpy(filename, cp);
	351	cp = filename + strlen(filename);
	352	*cp++ = '/';
	353	strcpy(cp, PFILE1);
	354	}
	355	#endif
	356	fparser= tryopen(filename ? filename : PFILE1, "r");
	357	}
	358
	359	/* JF change from inline attrs file to separate one */
	360	ftmp = tryopen(attrsfile, "w");
	361	rewind(fattrs);
	362	while((c=getc(fattrs))!=EOF) /* Thank god for buffering */
	363	putc(c,ftmp);
	364	tryclose(fattrs);
	365	fattrs=ftmp;
	366
	367	fguard = tryopen(guardfile, "w");
	368
	369	}
	370
	371	/* JF to make file opening easier. This func tries to open file
	372	NAME with mode MODE, and prints an error message if it fails. */
	373	FILE *
	374	tryopen (char name, char mode)
	375	{
	376	FILE *ptr;
	377
	378	ptr = fopen(name, mode);
	379	if (ptr == NULL)
	380	{
	381	fprintf(stderr, "%s: ", program_name);
	382	perror(name);
	383	done(2);
	384	}
	385	return ptr;
	386	}
	387
	388	int
	389	tryclose (FILE *ptr)
	390	{
	391	int result;
	392
	393	if (ptr == NULL)
	394	return 0;
	395
	396	result = fclose (ptr);
	397	if (result == EOF)
	398	{
	399	fprintf (stderr, "%s: ", program_name);
	400	perror ("fclose");
	401	done (2);
	402	}
	403	return result;
	404	}
	405
	406	void
	407	done (int k)
	408	{
	409	tryclose(faction);
	410	tryclose(fattrs);
	411	tryclose(fguard);
	412	tryclose(finput);
	413	tryclose(fparser);
	414	tryclose(foutput);
	415
	416	/* JF write out the output file */
	417	if (k == 0 && ftable)
	418	{
	419	FILE *ftmp;
	420	register int c;
	421
	422	ftmp=tryopen(tabfile, "w");
	423	rewind(ftable);
	424	while((c=getc(ftable)) != EOF)
	425	putc(c,ftmp);
	426	tryclose(ftmp);
	427	tryclose(ftable);
	428
	429	if (definesflag)
	430	{
	431	ftmp = tryopen(defsfile, "w");
	432	fflush(fdefines);
	433	rewind(fdefines);
	434	while((c=getc(fdefines)) != EOF)
	435	putc(c,ftmp);
	436	tryclose(ftmp);
	437	tryclose(fdefines);
	438	}
	439	}
	440
	441	#if defined (VMS) & !defined (__VMS_POSIX)
	442	if (faction && ! noparserflag)
	443	delete(actfile);
	444	if (fattrs)
	445	delete(tmpattrsfile);
	446	if (ftable)
	447	delete(tmptabfile);
	448	if (k==0) sys$exit(SS$_NORMAL);
	449	sys$exit(SS$_ABORT);
	450	#else
	451	#if (defined (MSDOS) \|\| (defined(_WIN32) && !defined(__CYGWIN32__)))
	452	if (actfile && ! noparserflag) unlink(actfile);
	453	if (tmpattrsfile) unlink(tmpattrsfile);
	454	if (tmptabfile) unlink(tmptabfile);
	455	if (tmpdefsfile) unlink(tmpdefsfile);
	456	#endif /* MSDOS \|\| (_WIN32 && !__CYGWIN32__) */
	457	exit(k);
	458	#endif /* not VMS, or __VMS_POSIX */
	459	}