[bison.git] / 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>
#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__))
  {
    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
54bd0db4	1	/* Open and close files for bison,
28683c54	2	Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc.
54bd0db4 RS	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
c49a8e71 JT	18	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
c49a8e71 JT	19	Boston, MA 02111-1307, USA. */
54bd0db4 RS	20
54bd0db4 RS	21
9eceb6c6 JT	22	#include "system.h"
9eceb6c6 JT	23
fcca25ad	24	#if defined (VMS) & !defined (__VMS_POSIX)
54bd0db4 RS	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
6a5705cf RS	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
54bd0db4	44	#include <stdio.h>
54bd0db4	45	#include "files.h"
7612000c	46	#include "alloc.h"
54bd0db4 RS	47	#include "gram.h"
	48
	49	FILE *finput = NULL;
	50	FILE *foutput = NULL;
	51	FILE *fdefines = NULL;
	52	FILE *ftable = NULL;
	53	FILE *fattrs = NULL;
	54	FILE *fguard = NULL;
	55	FILE *faction = NULL;
	56	FILE *fparser = NULL;
	57
	58	/* File name specified with -o for the output file, or 0 if no -o. */
	59	char *spec_outfile;
	60
	61	char *infile;
	62	char *outfile;
	63	char *defsfile;
	64	char *tabfile;
	65	char *attrsfile;
	66	char *guardfile;
	67	char *actfile;
	68	char *tmpattrsfile;
	69	char *tmptabfile;
	70	char *tmpdefsfile;
	71
28683c54 RS	72	extern int noparserflag;
28683c54 RS	73
54bd0db4 RS	74	extern char mktemp(); / So the compiler won't complain */
	75	extern char *getenv();
	76	extern void perror();
bd088c91 JT	77
	78	char stringappend PARAMS((char , int, char *));
	79	void openfiles PARAMS((void));
	80	void open_extra_files PARAMS((void));
	81	FILE tryopen PARAMS((char , char )); / This might be a good idea */
a693bf18	82	int tryclose PARAMS((FILE *));
bd088c91	83	void done PARAMS((int));
54bd0db4 RS	84
	85	extern char *program_name;
	86	extern int verboseflag;
	87	extern int definesflag;
	88	int fixed_outfiles = 0;
	89	\f
	90
bd088c91 JT	91	char *
bd088c91 JT	92	stringappend (char string1, int end1, char string2)
54bd0db4 RS	93	{
	94	register char *ostring;
	95	register char cp, cp1;
	96	register int i;
	97
	98	cp = string2; i = 0;
	99	while (*cp++) i++;
	100
	101	ostring = NEW2(i+end1+1, char);
	102
	103	cp = ostring;
	104	cp1 = string1;
	105	for (i = 0; i < end1; i++)
	106	cp++ = cp1++;
	107
	108	cp1 = string2;
bd088c91 JT	109	while ((cp++ = cp1++))
bd088c91 JT	110	;
54bd0db4 RS	111
	112	return ostring;
	113	}
	114
	115
	116	/* JF this has been hacked to death. Nowaday it sets up the file names for
	117	the output files, and opens the tmp files and the parser */
	118	void
bd088c91	119	openfiles (void)
54bd0db4 RS	120	{
54bd0db4 RS	121	char *name_base;
a693bf18	122	#ifdef MSDOS
54bd0db4	123	register char *cp;
a693bf18	124	#endif
54bd0db4 RS	125	char *filename;
	126	int base_length;
	127	int short_base_length;
	128
fcca25ad	129	#if defined (VMS) & !defined (__VMS_POSIX)
54bd0db4 RS	130	char *tmp_base = "sys$scratch:b_";
	131	#else
	132	char *tmp_base = "/tmp/b.";
	133	#endif
	134	int tmp_len;
	135
	136	#ifdef MSDOS
	137	tmp_base = getenv ("TMP");
	138	if (tmp_base == 0)
	139	tmp_base = "";
	140	strlwr (infile);
	141	#endif /* MSDOS */
	142
e0672a61 RS	143	#if (defined(_WIN32) && !defined(__CYGWIN32__))
	144	tmp_base = getenv ("TEMP"); /* Windows95 defines this ... */
	145	if (tmp_base == 0)
	146	tmp_base = getenv ("Temp"); /* ... while NT prefers this */
	147	if (tmp_base == 0)
	148	tmp_base = "";
	149	strlwr (infile);
	150	#endif /* _WIN32 && !__CYGWIN32__ */
	151
bd088c91 JT	152	#if (defined(unix) \|\| defined(__unix) \|\| defined(__unix__))
	153	{
	154	char *tmp_ptr = getenv("TMPDIR");
	155
	156	if (tmp_ptr != 0)
	157	tmp_base = stringappend (tmp_ptr, strlen (tmp_ptr), "/b.");
	158	}
	159	#endif /* unix \|\| __unix \|\| __unix__ */
	160
54bd0db4 RS	161	tmp_len = strlen (tmp_base);
	162
	163	if (spec_outfile)
	164	{
	165	/* -o was specified. The precise -o name will be used for ftable.
	166	For other output files, remove the ".c" or ".tab.c" suffix. */
	167	name_base = spec_outfile;
	168	#ifdef MSDOS
	169	strlwr (name_base);
	170	#endif /* MSDOS */
	171	/* BASE_LENGTH includes ".tab" but not ".c". */
	172	base_length = strlen (name_base);
	173	if (!strcmp (name_base + base_length - 2, ".c"))
	174	base_length -= 2;
	175	/* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */
	176	short_base_length = base_length;
	177	if (!strncmp (name_base + short_base_length - 4, ".tab", 4))
	178	short_base_length -= 4;
	179	else if (!strncmp (name_base + short_base_length - 4, "_tab", 4))
	180	short_base_length -= 4;
	181	}
	182	else if (spec_file_prefix)
	183	{
	184	/* -b was specified. Construct names from it. */
	185	/* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */
	186	short_base_length = strlen (spec_file_prefix);
	187	/* Count room for `.tab'. */
	188	base_length = short_base_length + 4;
40675e7c	189	name_base = (char *) xmalloc (base_length + 1);
54bd0db4 RS	190	/* Append `.tab'. */
	191	strcpy (name_base, spec_file_prefix);
	192	#ifdef VMS
	193	strcat (name_base, "_tab");
	194	#else
	195	strcat (name_base, ".tab");
	196	#endif
	197	#ifdef MSDOS
	198	strlwr (name_base);
	199	#endif /* MSDOS */
	200	}
	201	else
	202	{
	203	/* -o was not specified; compute output file name from input
	204	or use y.tab.c, etc., if -y was specified. */
	205
	206	name_base = fixed_outfiles ? "y.y" : infile;
	207
	208	/* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */
	209
	210	base_length = strlen (name_base);
	211	if (!strcmp (name_base + base_length - 2, ".y"))
	212	base_length -= 2;
	213	short_base_length = base_length;
	214
	215	#ifdef VMS
	216	name_base = stringappend(name_base, short_base_length, "_tab");
	217	#else
	218	#ifdef MSDOS
	219	name_base = stringappend(name_base, short_base_length, "_tab");
	220	#else
	221	name_base = stringappend(name_base, short_base_length, ".tab");
	222	#endif /* not MSDOS */
	223	#endif
	224	base_length = short_base_length + 4;
	225	}
	226
	227	finput = tryopen(infile, "r");
	228
28683c54	229	if (! noparserflag)
54bd0db4	230	{
28683c54 RS	231	filename = getenv("BISON_SIMPLE");
	232	#ifdef MSDOS
	233	/* File doesn't exist in current directory; try in INIT directory. */
	234	cp = getenv("INIT");
	235	if (filename == 0 && cp != NULL)
	236	{
	237	filename = xmalloc(strlen(cp) + strlen(PFILE) + 2);
	238	strcpy(filename, cp);
	239	cp = filename + strlen(filename);
	240	*cp++ = '/';
	241	strcpy(cp, PFILE);
	242	}
54bd0db4	243	#endif /* MSDOS */
28683c54 RS	244	fparser = tryopen(filename ? filename : PFILE, "r");
28683c54 RS	245	}
54bd0db4 RS	246
	247	if (verboseflag)
	248	{
	249	#ifdef MSDOS
	250	outfile = stringappend(name_base, short_base_length, ".out");
	251	#else
	252	/* We used to use just .out if spec_name_prefix (-p) was used,
	253	but that conflicts with Posix. */
	254	outfile = stringappend(name_base, short_base_length, ".output");
	255	#endif
	256	foutput = tryopen(outfile, "w");
	257	}
	258
28683c54 RS	259	if (noparserflag)
	260	{
	261	/* use permanent name for actions file */
	262	actfile = stringappend(name_base, short_base_length, ".act");
	263	faction = tryopen(actfile, "w");
	264	}
	265
54bd0db4	266	#ifdef MSDOS
28683c54 RS	267	if (! noparserflag)
28683c54 RS	268	actfile = mktemp(stringappend(tmp_base, tmp_len, "acXXXXXX"));
54bd0db4 RS	269	tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "atXXXXXX"));
	270	tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "taXXXXXX"));
	271	tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "deXXXXXX"));
	272	#else
28683c54 RS	273	if (! noparserflag)
28683c54 RS	274	actfile = mktemp(stringappend(tmp_base, tmp_len, "act.XXXXXX"));
54bd0db4 RS	275	tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "attrs.XXXXXX"));
	276	tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "tab.XXXXXX"));
	277	tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "defs.XXXXXX"));
	278	#endif /* not MSDOS */
	279
28683c54 RS	280	if (! noparserflag)
28683c54 RS	281	faction = tryopen(actfile, "w+");
54bd0db4 RS	282	fattrs = tryopen(tmpattrsfile,"w+");
	283	ftable = tryopen(tmptabfile, "w+");
	284
	285	if (definesflag)
	286	{
	287	defsfile = stringappend(name_base, base_length, ".h");
	288	fdefines = tryopen(tmpdefsfile, "w+");
	289	}
	290
e0672a61	291	#if !(defined (MSDOS) \|\| (defined(_WIN32) && !defined(__CYGWIN32__)))
28683c54 RS	292	if (! noparserflag)
28683c54 RS	293	unlink(actfile);
54bd0db4 RS	294	unlink(tmpattrsfile);
	295	unlink(tmptabfile);
	296	unlink(tmpdefsfile);
e0672a61	297	#endif /* MSDOS \|\| (_WIN32 && !__CYGWIN32__) */
54bd0db4 RS	298
	299	/* These are opened by `done' or `open_extra_files', if at all */
	300	if (spec_outfile)
	301	tabfile = spec_outfile;
	302	else
	303	tabfile = stringappend(name_base, base_length, ".c");
	304
	305	#ifdef VMS
	306	attrsfile = stringappend(name_base, short_base_length, "_stype.h");
	307	guardfile = stringappend(name_base, short_base_length, "_guard.c");
	308	#else
	309	#ifdef MSDOS
	310	attrsfile = stringappend(name_base, short_base_length, ".sth");
	311	guardfile = stringappend(name_base, short_base_length, ".guc");
	312	#else
	313	attrsfile = stringappend(name_base, short_base_length, ".stype.h");
	314	guardfile = stringappend(name_base, short_base_length, ".guard.c");
	315	#endif /* not MSDOS */
	316	#endif /* not VMS */
	317	}
	318
	319
	320
	321	/* open the output files needed only for the semantic parser.
	322	This is done when %semantic_parser is seen in the declarations section. */
	323
	324	void
bd088c91	325	open_extra_files (void)
54bd0db4 RS	326	{
	327	FILE *ftmp;
	328	int c;
a693bf18 JT	329	char *filename;
	330	#ifdef MSDOS
	331	char *cp;
	332	#endif
54bd0db4	333
a693bf18	334	tryclose(fparser);
54bd0db4	335
28683c54	336	if (! noparserflag)
54bd0db4	337	{
28683c54 RS	338	filename = (char *) getenv ("BISON_HAIRY");
	339	#ifdef MSDOS
	340	/* File doesn't exist in current directory; try in INIT directory. */
	341	cp = getenv("INIT");
	342	if (filename == 0 && cp != NULL)
	343	{
	344	filename = xmalloc(strlen(cp) + strlen(PFILE1) + 2);
	345	strcpy(filename, cp);
	346	cp = filename + strlen(filename);
	347	*cp++ = '/';
	348	strcpy(cp, PFILE1);
	349	}
54bd0db4	350	#endif
28683c54 RS	351	fparser= tryopen(filename ? filename : PFILE1, "r");
28683c54 RS	352	}
54bd0db4 RS	353
	354	/* JF change from inline attrs file to separate one */
	355	ftmp = tryopen(attrsfile, "w");
	356	rewind(fattrs);
	357	while((c=getc(fattrs))!=EOF) /* Thank god for buffering */
	358	putc(c,ftmp);
a693bf18	359	tryclose(fattrs);
54bd0db4 RS	360	fattrs=ftmp;
	361
	362	fguard = tryopen(guardfile, "w");
	363
	364	}
	365
	366	/* JF to make file opening easier. This func tries to open file
	367	NAME with mode MODE, and prints an error message if it fails. */
	368	FILE *
bd088c91	369	tryopen (char name, char mode)
54bd0db4 RS	370	{
	371	FILE *ptr;
	372
	373	ptr = fopen(name, mode);
	374	if (ptr == NULL)
	375	{
	376	fprintf(stderr, "%s: ", program_name);
	377	perror(name);
	378	done(2);
	379	}
	380	return ptr;
	381	}
	382
a693bf18 JT	383	int
a693bf18 JT	384	tryclose (FILE *ptr)
54bd0db4	385	{
a693bf18	386	int result;
54bd0db4	387
a693bf18 JT	388	if (ptr == NULL)
a693bf18 JT	389	return 0;
54bd0db4	390
a693bf18 JT	391	result = fclose (ptr);
	392	if (result == EOF)
	393	{
	394	fprintf (stderr, "%s: ", program_name);
	395	perror ("fclose");
	396	done (2);
	397	}
	398	return result;
	399	}
54bd0db4	400
a693bf18 JT	401	void
	402	done (int k)
	403	{
	404	tryclose(faction);
	405	tryclose(fattrs);
	406	tryclose(fguard);
	407	tryclose(finput);
	408	tryclose(fparser);
	409	tryclose(foutput);
54bd0db4 RS	410
	411	/* JF write out the output file */
	412	if (k == 0 && ftable)
	413	{
	414	FILE *ftmp;
	415	register int c;
	416
	417	ftmp=tryopen(tabfile, "w");
	418	rewind(ftable);
	419	while((c=getc(ftable)) != EOF)
	420	putc(c,ftmp);
a693bf18 JT	421	tryclose(ftmp);
a693bf18 JT	422	tryclose(ftable);
54bd0db4 RS	423
	424	if (definesflag)
	425	{
	426	ftmp = tryopen(defsfile, "w");
	427	fflush(fdefines);
	428	rewind(fdefines);
	429	while((c=getc(fdefines)) != EOF)
	430	putc(c,ftmp);
a693bf18 JT	431	tryclose(ftmp);
a693bf18 JT	432	tryclose(fdefines);
54bd0db4 RS	433	}
	434	}
	435
fcca25ad	436	#if defined (VMS) & !defined (__VMS_POSIX)
28683c54	437	if (faction && ! noparserflag)
54bd0db4 RS	438	delete(actfile);
	439	if (fattrs)
	440	delete(tmpattrsfile);
	441	if (ftable)
	442	delete(tmptabfile);
	443	if (k==0) sys$exit(SS$_NORMAL);
	444	sys$exit(SS$_ABORT);
	445	#else
e0672a61	446	#if (defined (MSDOS) \|\| (defined(_WIN32) && !defined(__CYGWIN32__)))
28683c54	447	if (actfile && ! noparserflag) unlink(actfile);
54bd0db4 RS	448	if (tmpattrsfile) unlink(tmpattrsfile);
	449	if (tmptabfile) unlink(tmptabfile);
	450	if (tmpdefsfile) unlink(tmpdefsfile);
e0672a61	451	#endif /* MSDOS \|\| (_WIN32 && !__CYGWIN32__) */
54bd0db4	452	exit(k);
fcca25ad	453	#endif /* not VMS, or __VMS_POSIX */
54bd0db4	454	}