/* Open and close files for bison,
- Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1986, 1989, 1992, 2000 Free Software Foundation, Inc.
-This file is part of Bison, the GNU Compiler Compiler.
+ 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 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.
+ 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. */
+ 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
+# 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
+# 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 "getargs.h"
#include "files.h"
-#include "new.h"
+#include "alloc.h"
#include "gram.h"
+#include "complain.h"
FILE *finput = NULL;
FILE *foutput = NULL;
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;
+static char *outfile;
+static char *defsfile;
+static char *tabfile;
+static char *guardfile;
+static char *actfile;
+static char *tmpattrsfile;
+static char *tmptabfile;
+static char *tmpdefsfile;
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;
+extern char *stringappend PARAMS((const char *, int, const char *));
+extern void openfiles PARAMS((void));
+extern void open_extra_files PARAMS((void));
+
int fixed_outfiles = 0;
+
+extern char *program_name;
\f
-char*
-stringappend(string1, end1, string2)
-char *string1;
-int end1;
-char *string2;
+char *
+stringappend (const char *string1, int end1, const char *string2)
{
register char *ostring;
- register char *cp, *cp1;
+ register char *cp;
+ register const char *cp1;
register int i;
- cp = string2; i = 0;
- while (*cp++) i++;
+ cp1 = string2;
+ i = 0;
+ while (*cp1++) i++;
ostring = NEW2(i+end1+1, char);
*cp++ = *cp1++;
cp1 = string2;
- while (*cp++ = *cp1++) ;
+ while ((*cp++ = *cp1++))
+ ;
return ostring;
}
+/*-----------------------------------------------------------------.
+| Try to open file NAME with mode MODE, and print an error message |
+| if fails. |
+`-----------------------------------------------------------------*/
+
+static FILE *
+tryopen (const char *name, const char *mode)
+{
+ FILE *ptr;
+
+ ptr = fopen (name, mode);
+ if (!ptr)
+ error (2, errno, _("cannot open file `%s'"), name);
+
+ return ptr;
+}
+
+/*-------------------------------------------------------------.
+| Try to close file PTR, and print an error message if fails. |
+`-------------------------------------------------------------*/
+
+static int
+tryclose (FILE *ptr)
+{
+ int result;
+
+ if (ptr == NULL)
+ return 0;
+
+ result = fclose (ptr);
+ if (result == EOF)
+ error (2, errno, _("cannot close file"));
+ return result;
+}
+\f
/* 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()
+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$scratch:b_";
+ const char *tmp_base = "sys$scratch:b_";
#else
- char *tmp_base = "/tmp/b.";
+ const char *tmp_base = "/tmp/b.";
#endif
int tmp_len;
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 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;
+ static char FIXED_NAME_BASE[] = "y.y";
+
+ name_base = fixed_outfiles ? FIXED_NAME_BASE : infile;
/* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */
finput = tryopen(infile, "r");
- if (! noparserflag)
+ if (! noparserflag)
{
filename = getenv("BISON_SIMPLE");
#ifdef MSDOS
/* use permanent name for actions file */
actfile = stringappend(name_base, short_base_length, ".act");
faction = tryopen(actfile, "w");
- }
+ }
#ifdef MSDOS
if (! noparserflag)
fdefines = tryopen(tmpdefsfile, "w+");
}
-#ifndef MSDOS
+#if !(defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__)))
if (! noparserflag)
unlink(actfile);
unlink(tmpattrsfile);
unlink(tmptabfile);
unlink(tmpdefsfile);
-#endif
+#endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */
/* These are opened by `done' or `open_extra_files', if at all */
if (spec_outfile)
-/* open the output files needed only for the semantic parser.
-This is done when %semantic_parser is seen in the declarations section. */
+/*--------------------------------------------------------------------.
+| 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()
+open_extra_files (void)
{
FILE *ftmp;
int c;
- char *filename, *cp;
+ char *filename;
+#ifdef MSDOS
+ char *cp;
+#endif
- if (fparser)
- fclose(fparser);
+ tryclose(fparser);
- if (! noparserflag)
+ if (! noparserflag)
{
filename = (char *) getenv ("BISON_HAIRY");
#ifdef MSDOS
rewind(fattrs);
while((c=getc(fattrs))!=EOF) /* Thank god for buffering */
putc(c,ftmp);
- fclose(fattrs);
+ 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(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;
+done (void)
{
- 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)
+ tryclose(faction);
+ tryclose(fattrs);
+ tryclose(fguard);
+ tryclose(finput);
+ tryclose(fparser);
+ tryclose(foutput);
+
+ /* JF write out the output file */
+ if (!complain_message_count && ftable)
{
FILE *ftmp;
register int c;
rewind(ftable);
while((c=getc(ftable)) != EOF)
putc(c,ftmp);
- fclose(ftmp);
- fclose(ftable);
+ tryclose(ftmp);
+ tryclose(ftable);
if (definesflag)
{
rewind(fdefines);
while((c=getc(fdefines)) != EOF)
putc(c,ftmp);
- fclose(ftmp);
- fclose(fdefines);
+ tryclose(ftmp);
+ tryclose(fdefines);
}
}
delete(tmpattrsfile);
if (ftable)
delete(tmptabfile);
- if (k==0) sys$exit(SS$_NORMAL);
- sys$exit(SS$_ABORT);
+/* Don't call exit again, we're in atexit ().
+ if (!complain_message_count)
+ sys$exit(SS$_NORMAL);
+ sys$exit(SS$_ABORT); */
#else
-#ifdef MSDOS
+#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 */
- exit(k);
+#endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */
+/* Don't call exit again, we're in atexit ().
+ exit (complain_message_count ? 1 : 0); */
#endif /* not VMS, or __VMS_POSIX */
}
projects / bison.git / blobdiff