[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, 675 Mass Ave, Cambridge, MA 02139, USA.  */


#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 "system.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();
FILE	*tryopen();	/* This might be a good idea */
void done();

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

char*
stringappend(string1, end1, string2)
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()
{
  char *name_base;
  register char *cp;
  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__ */

  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()
{
  FILE *ftmp;
  int c;
  char *filename, *cp;

  if (fparser)
    fclose(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);
  fclose(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(name, mode)
char *name;
char *mode;
{
  FILE	*ptr;

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

void
done(k)
int k;
{
  if (faction)
    fclose(faction);

  if (fattrs)
    fclose(fattrs);

  if (fguard)
    fclose(fguard);

  if (finput)
    fclose(finput);

  if (fparser)
    fclose(fparser);

  if (foutput)
    fclose(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);
      fclose(ftmp);
      fclose(ftable);

      if (definesflag)
        {
          ftmp = tryopen(defsfile, "w");
          fflush(fdefines);
          rewind(fdefines);
          while((c=getc(fdefines)) != EOF)
            putc(c,ftmp);
          fclose(ftmp);
          fclose(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
	18	the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20
fcca25ad	21	#if defined (VMS) & !defined (__VMS_POSIX)
54bd0db4 RS	22	#include <ssdef.h>
	23	#define unlink delete
	24	#ifndef XPFILE
	25	#define XPFILE "GNU_BISON:[000000]BISON.SIMPLE"
	26	#endif
	27	#ifndef XPFILE1
	28	#define XPFILE1 "GNU_BISON:[000000]BISON.HAIRY"
	29	#endif
	30	#endif
	31
6a5705cf RS	32	#if defined (_MSC_VER)
	33	#ifndef XPFILE
	34	#define XPFILE "c:/usr/local/lib/bison.simple"
	35	#endif
	36	#ifndef XPFILE1
	37	#define XPFILE1 "c:/usr/local/lib/bison.hairy"
	38	#endif
	39	#endif
	40
54bd0db4 RS	41	#include <stdio.h>
	42	#include "system.h"
	43	#include "files.h"
7612000c	44	#include "alloc.h"
54bd0db4 RS	45	#include "gram.h"
	46
	47	FILE *finput = NULL;
	48	FILE *foutput = NULL;
	49	FILE *fdefines = NULL;
	50	FILE *ftable = NULL;
	51	FILE *fattrs = NULL;
	52	FILE *fguard = NULL;
	53	FILE *faction = NULL;
	54	FILE *fparser = NULL;
	55
	56	/* File name specified with -o for the output file, or 0 if no -o. */
	57	char *spec_outfile;
	58
	59	char *infile;
	60	char *outfile;
	61	char *defsfile;
	62	char *tabfile;
	63	char *attrsfile;
	64	char *guardfile;
	65	char *actfile;
	66	char *tmpattrsfile;
	67	char *tmptabfile;
	68	char *tmpdefsfile;
	69
28683c54 RS	70	extern int noparserflag;
28683c54 RS	71
54bd0db4 RS	72	extern char mktemp(); / So the compiler won't complain */
	73	extern char *getenv();
	74	extern void perror();
	75	FILE tryopen(); / This might be a good idea */
	76	void done();
	77
	78	extern char *program_name;
	79	extern int verboseflag;
	80	extern int definesflag;
	81	int fixed_outfiles = 0;
	82	\f
	83
	84	char*
	85	stringappend(string1, end1, string2)
	86	char *string1;
	87	int end1;
	88	char *string2;
	89	{
	90	register char *ostring;
	91	register char cp, cp1;
	92	register int i;
	93
	94	cp = string2; i = 0;
	95	while (*cp++) i++;
	96
	97	ostring = NEW2(i+end1+1, char);
	98
	99	cp = ostring;
	100	cp1 = string1;
	101	for (i = 0; i < end1; i++)
	102	cp++ = cp1++;
	103
	104	cp1 = string2;
	105	while (cp++ = cp1++) ;
	106
	107	return ostring;
	108	}
	109
	110
	111	/* JF this has been hacked to death. Nowaday it sets up the file names for
	112	the output files, and opens the tmp files and the parser */
	113	void
	114	openfiles()
	115	{
	116	char *name_base;
	117	register char *cp;
	118	char *filename;
	119	int base_length;
	120	int short_base_length;
	121
fcca25ad	122	#if defined (VMS) & !defined (__VMS_POSIX)
54bd0db4 RS	123	char *tmp_base = "sys$scratch:b_";
	124	#else
	125	char *tmp_base = "/tmp/b.";
	126	#endif
	127	int tmp_len;
	128
	129	#ifdef MSDOS
	130	tmp_base = getenv ("TMP");
	131	if (tmp_base == 0)
	132	tmp_base = "";
	133	strlwr (infile);
	134	#endif /* MSDOS */
	135
e0672a61 RS	136	#if (defined(_WIN32) && !defined(__CYGWIN32__))
	137	tmp_base = getenv ("TEMP"); /* Windows95 defines this ... */
	138	if (tmp_base == 0)
	139	tmp_base = getenv ("Temp"); /* ... while NT prefers this */
	140	if (tmp_base == 0)
	141	tmp_base = "";
	142	strlwr (infile);
	143	#endif /* _WIN32 && !__CYGWIN32__ */
	144
54bd0db4 RS	145	tmp_len = strlen (tmp_base);
	146
	147	if (spec_outfile)
	148	{
	149	/* -o was specified. The precise -o name will be used for ftable.
	150	For other output files, remove the ".c" or ".tab.c" suffix. */
	151	name_base = spec_outfile;
	152	#ifdef MSDOS
	153	strlwr (name_base);
	154	#endif /* MSDOS */
	155	/* BASE_LENGTH includes ".tab" but not ".c". */
	156	base_length = strlen (name_base);
	157	if (!strcmp (name_base + base_length - 2, ".c"))
	158	base_length -= 2;
	159	/* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */
	160	short_base_length = base_length;
	161	if (!strncmp (name_base + short_base_length - 4, ".tab", 4))
	162	short_base_length -= 4;
	163	else if (!strncmp (name_base + short_base_length - 4, "_tab", 4))
	164	short_base_length -= 4;
	165	}
	166	else if (spec_file_prefix)
	167	{
	168	/* -b was specified. Construct names from it. */
	169	/* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */
	170	short_base_length = strlen (spec_file_prefix);
	171	/* Count room for `.tab'. */
	172	base_length = short_base_length + 4;
40675e7c	173	name_base = (char *) xmalloc (base_length + 1);
54bd0db4 RS	174	/* Append `.tab'. */
	175	strcpy (name_base, spec_file_prefix);
	176	#ifdef VMS
	177	strcat (name_base, "_tab");
	178	#else
	179	strcat (name_base, ".tab");
	180	#endif
	181	#ifdef MSDOS
	182	strlwr (name_base);
	183	#endif /* MSDOS */
	184	}
	185	else
	186	{
	187	/* -o was not specified; compute output file name from input
	188	or use y.tab.c, etc., if -y was specified. */
	189
	190	name_base = fixed_outfiles ? "y.y" : infile;
	191
	192	/* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */
	193
	194	base_length = strlen (name_base);
	195	if (!strcmp (name_base + base_length - 2, ".y"))
	196	base_length -= 2;
	197	short_base_length = base_length;
	198
	199	#ifdef VMS
	200	name_base = stringappend(name_base, short_base_length, "_tab");
	201	#else
	202	#ifdef MSDOS
	203	name_base = stringappend(name_base, short_base_length, "_tab");
	204	#else
	205	name_base = stringappend(name_base, short_base_length, ".tab");
	206	#endif /* not MSDOS */
	207	#endif
	208	base_length = short_base_length + 4;
	209	}
	210
	211	finput = tryopen(infile, "r");
	212
28683c54	213	if (! noparserflag)
54bd0db4	214	{
28683c54 RS	215	filename = getenv("BISON_SIMPLE");
	216	#ifdef MSDOS
	217	/* File doesn't exist in current directory; try in INIT directory. */
	218	cp = getenv("INIT");
	219	if (filename == 0 && cp != NULL)
	220	{
	221	filename = xmalloc(strlen(cp) + strlen(PFILE) + 2);
	222	strcpy(filename, cp);
	223	cp = filename + strlen(filename);
	224	*cp++ = '/';
	225	strcpy(cp, PFILE);
	226	}
54bd0db4	227	#endif /* MSDOS */
28683c54 RS	228	fparser = tryopen(filename ? filename : PFILE, "r");
28683c54 RS	229	}
54bd0db4 RS	230
	231	if (verboseflag)
	232	{
	233	#ifdef MSDOS
	234	outfile = stringappend(name_base, short_base_length, ".out");
	235	#else
	236	/* We used to use just .out if spec_name_prefix (-p) was used,
	237	but that conflicts with Posix. */
	238	outfile = stringappend(name_base, short_base_length, ".output");
	239	#endif
	240	foutput = tryopen(outfile, "w");
	241	}
	242
28683c54 RS	243	if (noparserflag)
	244	{
	245	/* use permanent name for actions file */
	246	actfile = stringappend(name_base, short_base_length, ".act");
	247	faction = tryopen(actfile, "w");
	248	}
	249
54bd0db4	250	#ifdef MSDOS
28683c54 RS	251	if (! noparserflag)
28683c54 RS	252	actfile = mktemp(stringappend(tmp_base, tmp_len, "acXXXXXX"));
54bd0db4 RS	253	tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "atXXXXXX"));
	254	tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "taXXXXXX"));
	255	tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "deXXXXXX"));
	256	#else
28683c54 RS	257	if (! noparserflag)
28683c54 RS	258	actfile = mktemp(stringappend(tmp_base, tmp_len, "act.XXXXXX"));
54bd0db4 RS	259	tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "attrs.XXXXXX"));
	260	tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "tab.XXXXXX"));
	261	tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "defs.XXXXXX"));
	262	#endif /* not MSDOS */
	263
28683c54 RS	264	if (! noparserflag)
28683c54 RS	265	faction = tryopen(actfile, "w+");
54bd0db4 RS	266	fattrs = tryopen(tmpattrsfile,"w+");
	267	ftable = tryopen(tmptabfile, "w+");
	268
	269	if (definesflag)
	270	{
	271	defsfile = stringappend(name_base, base_length, ".h");
	272	fdefines = tryopen(tmpdefsfile, "w+");
	273	}
	274
e0672a61	275	#if !(defined (MSDOS) \|\| (defined(_WIN32) && !defined(__CYGWIN32__)))
28683c54 RS	276	if (! noparserflag)
28683c54 RS	277	unlink(actfile);
54bd0db4 RS	278	unlink(tmpattrsfile);
	279	unlink(tmptabfile);
	280	unlink(tmpdefsfile);
e0672a61	281	#endif /* MSDOS \|\| (_WIN32 && !__CYGWIN32__) */
54bd0db4 RS	282
	283	/* These are opened by `done' or `open_extra_files', if at all */
	284	if (spec_outfile)
	285	tabfile = spec_outfile;
	286	else
	287	tabfile = stringappend(name_base, base_length, ".c");
	288
	289	#ifdef VMS
	290	attrsfile = stringappend(name_base, short_base_length, "_stype.h");
	291	guardfile = stringappend(name_base, short_base_length, "_guard.c");
	292	#else
	293	#ifdef MSDOS
	294	attrsfile = stringappend(name_base, short_base_length, ".sth");
	295	guardfile = stringappend(name_base, short_base_length, ".guc");
	296	#else
	297	attrsfile = stringappend(name_base, short_base_length, ".stype.h");
	298	guardfile = stringappend(name_base, short_base_length, ".guard.c");
	299	#endif /* not MSDOS */
	300	#endif /* not VMS */
	301	}
	302
	303
	304
	305	/* open the output files needed only for the semantic parser.
	306	This is done when %semantic_parser is seen in the declarations section. */
	307
	308	void
	309	open_extra_files()
	310	{
	311	FILE *ftmp;
	312	int c;
	313	char filename, cp;
	314
28683c54 RS	315	if (fparser)
28683c54 RS	316	fclose(fparser);
54bd0db4	317
28683c54	318	if (! noparserflag)
54bd0db4	319	{
28683c54 RS	320	filename = (char *) getenv ("BISON_HAIRY");
	321	#ifdef MSDOS
	322	/* File doesn't exist in current directory; try in INIT directory. */
	323	cp = getenv("INIT");
	324	if (filename == 0 && cp != NULL)
	325	{
	326	filename = xmalloc(strlen(cp) + strlen(PFILE1) + 2);
	327	strcpy(filename, cp);
	328	cp = filename + strlen(filename);
	329	*cp++ = '/';
	330	strcpy(cp, PFILE1);
	331	}
54bd0db4	332	#endif
28683c54 RS	333	fparser= tryopen(filename ? filename : PFILE1, "r");
28683c54 RS	334	}
54bd0db4 RS	335
	336	/* JF change from inline attrs file to separate one */
	337	ftmp = tryopen(attrsfile, "w");
	338	rewind(fattrs);
	339	while((c=getc(fattrs))!=EOF) /* Thank god for buffering */
	340	putc(c,ftmp);
	341	fclose(fattrs);
	342	fattrs=ftmp;
	343
	344	fguard = tryopen(guardfile, "w");
	345
	346	}
	347
	348	/* JF to make file opening easier. This func tries to open file
	349	NAME with mode MODE, and prints an error message if it fails. */
	350	FILE *
	351	tryopen(name, mode)
	352	char *name;
	353	char *mode;
	354	{
	355	FILE *ptr;
	356
	357	ptr = fopen(name, mode);
	358	if (ptr == NULL)
	359	{
	360	fprintf(stderr, "%s: ", program_name);
	361	perror(name);
	362	done(2);
	363	}
	364	return ptr;
	365	}
	366
	367	void
	368	done(k)
	369	int k;
	370	{
	371	if (faction)
	372	fclose(faction);
	373
	374	if (fattrs)
	375	fclose(fattrs);
	376
	377	if (fguard)
	378	fclose(fguard);
	379
	380	if (finput)
	381	fclose(finput);
	382
	383	if (fparser)
	384	fclose(fparser);
	385
	386	if (foutput)
	387	fclose(foutput);
	388
	389	/* JF write out the output file */
	390	if (k == 0 && ftable)
	391	{
	392	FILE *ftmp;
	393	register int c;
	394
	395	ftmp=tryopen(tabfile, "w");
	396	rewind(ftable);
	397	while((c=getc(ftable)) != EOF)
	398	putc(c,ftmp);
399	fclose(ftmp);
400	fclose(ftable);
401
402	if (definesflag)
403	{
404	ftmp = tryopen(defsfile, "w");
405	fflush(fdefines);
406	rewind(fdefines);
407	while((c=getc(fdefines)) != EOF)
408	putc(c,ftmp);
409	fclose(ftmp);
410	fclose(fdefines);
411	}
412	}
413
fcca25ad	414	#if defined (VMS) & !defined (__VMS_POSIX)
28683c54	415	if (faction && ! noparserflag)
54bd0db4 RS	416	delete(actfile);
	417	if (fattrs)
	418	delete(tmpattrsfile);
	419	if (ftable)
	420	delete(tmptabfile);
	421	if (k==0) sys$exit(SS$_NORMAL);
	422	sys$exit(SS$_ABORT);
	423	#else
e0672a61	424	#if (defined (MSDOS) \|\| (defined(_WIN32) && !defined(__CYGWIN32__)))
28683c54	425	if (actfile && ! noparserflag) unlink(actfile);
54bd0db4 RS	426	if (tmpattrsfile) unlink(tmpattrsfile);
	427	if (tmptabfile) unlink(tmptabfile);
	428	if (tmpdefsfile) unlink(tmpdefsfile);
e0672a61	429	#endif /* MSDOS \|\| (_WIN32 && !__CYGWIN32__) */
54bd0db4	430	exit(k);
fcca25ad	431	#endif /* not VMS, or __VMS_POSIX */
54bd0db4	432	}