/* Declaration for error-reporting function for Bison.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
/* Based on error.c and error.h,
written by David MacKenzie <djm@gnu.ai.mit.edu>. */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-
-#if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
-# if __STDC__
-# include <stdarg.h>
-# define VA_START(args, lastarg) va_start(args, lastarg)
-# else
-# include <varargs.h>
-# define VA_START(args, lastarg) va_start(args)
-# endif
-#else
-# define va_alist a1, a2, a3, a4, a5, a6, a7, a8
-# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
-#endif
+#include "system.h"
-#if STDC_HEADERS || _LIBC
-# include <stdlib.h>
-# include <string.h>
-#else
-void exit ();
+#include <stdarg.h>
+#if ! (HAVE_VPRINTF || defined vfprintf)
+# define vfprintf(stream, message, args) _doprnt (message, args, stream)
#endif
#include "complain.h"
+#include "files.h"
#ifndef _
# define _(String) String
#endif
-#ifdef _LIBC
-/* In the GNU C library, there is a predefined variable for this. */
-# define program_name program_invocation_name
-#else /* not _LIBC */
/* The calling program should define program_name and set it to the
name of the executing program. */
extern char *program_name;
-#endif
-/* This variable is incremented each time `warn' is called. */
-unsigned int warn_message_count;
+#if HAVE_STRERROR
+# ifndef HAVE_DECL_STRERROR
+"this configure-time declaration test was not run"
+# endif
+# if !HAVE_DECL_STRERROR && !defined strerror
+char *strerror (int);
+# endif
+#else
+static char *
+private_strerror (int errnum)
+{
+ extern char *sys_errlist[];
+ extern int sys_nerr;
-/* This variable is incremented each time `complain' is called. */
-unsigned int complain_message_count;
+ if (errnum > 0 && errnum <= sys_nerr)
+ return _(sys_errlist[errnum]);
+ return _("Unknown system error");
+}
+# define strerror private_strerror
+#endif /* HAVE_STRERROR */
+
+/* This variable is set each time `warn' is called. */
+bool warning_issued;
+
+/* This variable is set each time `complain' is called. */
+bool complaint_issued;
-/* Sometimes we want to have at most one error per line. This
- variable controls whether this mode is selected or not. */
-int error_one_per_line;
\f
/*--------------------------------.
| Report a warning, and proceed. |
`--------------------------------*/
void
-#if defined VA_START && __STDC__
-warn (const char *message, ...)
-#else
-warn (message, va_alist)
- char *message;
- va_dcl
-#endif
+warn_at (location loc, const char *message, ...)
{
-#ifdef VA_START
va_list args;
-#endif
- if (error_one_per_line)
- {
- static const char *old_infile;
- static int old_lineno;
+ location_print (stderr, loc);
+ fputs (": ", stderr);
+ fputs (_("warning: "), stderr);
- if (old_lineno == lineno &&
- (infile == old_infile || !strcmp (old_infile, infile)))
- /* Simply return and print nothing. */
- return;
+ va_start (args, message);
+ vfprintf (stderr, message, args);
+ va_end (args);
- old_infile = infile;
- old_lineno = lineno;
- }
+ warning_issued = true;
+ putc ('\n', stderr);
+}
- fflush (stdout);
- if (infile != NULL)
- fprintf (stderr, "%s:%d: ", infile, lineno);
- else
- fprintf (stderr, "%s:", program_name);
+void
+warn (const char *message, ...)
+{
+ va_list args;
- fputs (_("warning: "), stderr);
+ fprintf (stderr, "%s: %s", current_file ? current_file : program_name, _("warning: "));
-#ifdef VA_START
- VA_START (args, message);
+ va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
-#else
- fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-#endif
- ++warn_message_count;
+ warning_issued = true;
putc ('\n', stderr);
- fflush (stderr);
}
\f
/*-----------------------------------------------------------.
`-----------------------------------------------------------*/
void
-#if defined VA_START && __STDC__
-complain (const char *message, ...)
-#else
-complain (message, va_alist)
- char *message;
- va_dcl
-#endif
+complain_at (location loc, const char *message, ...)
{
-#ifdef VA_START
va_list args;
-#endif
- if (error_one_per_line)
- {
- static const char *old_infile;
- static int old_lineno;
+ location_print (stderr, loc);
+ fputs (": ", stderr);
+
+ va_start (args, message);
+ vfprintf (stderr, message, args);
+ va_end (args);
- if (old_lineno == lineno &&
- (infile == old_infile || !strcmp (old_infile, infile)))
- /* Simply return and print nothing. */
- return;
+ complaint_issued = true;
+ putc ('\n', stderr);
+}
- old_infile = infile;
- old_lineno = lineno;
- }
+void
+complain (const char *message, ...)
+{
+ va_list args;
- fflush (stdout);
- if (infile != NULL)
- fprintf (stderr, "%s:%d: ", infile, lineno);
- else
- fprintf (stderr, "%s:", program_name);
+ fprintf (stderr, "%s: ", current_file ? current_file : program_name);
-#ifdef VA_START
- VA_START (args, message);
+ va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
-#else
- fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-#endif
- ++complain_message_count;
+ complaint_issued = true;
putc ('\n', stderr);
- fflush (stderr);
}
\f
/*-------------------------------------------------.
`-------------------------------------------------*/
void
-#if defined VA_START && __STDC__
-fatal (const char *message, ...)
-#else
-fatal (message, va_alist)
- char *message;
- va_dcl
-#endif
+fatal_at (location loc, const char *message, ...)
{
-#ifdef VA_START
va_list args;
-#endif
-
- fflush (stdout);
- if (infile != NULL)
- fprintf (stderr, "%s:%d: ", infile, lineno);
- else
- fprintf (stderr, "%s:", program_name);
+ location_print (stderr, loc);
+ fputs (": ", stderr);
fputs (_("fatal error: "), stderr);
-#ifdef VA_START
- VA_START (args, message);
+ va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
-#else
- fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-#endif
putc ('\n', stderr);
- fflush (stderr);
- exit (1);
+ exit (EXIT_FAILURE);
}
-\f
-/*------------------------------------------------------------------.
-| A severe error has occurred, we cannot proceed. Exit with STATUS, |
-| and report the error message of the errno ERRNUM. |
-`------------------------------------------------------------------*/
void
-#if defined VA_START && __STDC__
-error (int status, int errnum,
- const char *message, ...)
-#else
-error (status, errnum, message, va_alist)
- int status;
- int errnum;
- char *message;
- va_dcl
-#endif
+fatal (const char *message, ...)
{
-#ifdef VA_START
va_list args;
-#endif
- fflush (stdout);
- if (infile != NULL)
- fprintf (stderr, "%s:%d: ", infile, lineno);
- else
- fprintf (stderr, "%s:", program_name);
+ fprintf (stderr, "%s: ", current_file ? current_file : program_name);
fputs (_("fatal error: "), stderr);
-#ifdef VA_START
- VA_START (args, message);
+ va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
-#else
- fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-#endif
-
- if (errnum)
- {
-#if defined HAVE_STRERROR_R || _LIBC
- char errbuf[1024];
-# if HAVE_WORKING_STRERROR_R || _LIBC
- fprintf (stderr, ": %s", __strerror_r (errnum, errbuf, sizeof errbuf));
-# else
- /* Don't use __strerror_r's return value because on some systems
- (at least DEC UNIX 4.0[A-D]) strerror_r returns `int'. */
- __strerror_r (errnum, errbuf, sizeof errbuf);
- fprintf (stderr, ": %s", errbuf);
-# endif
-#else
- fprintf (stderr, ": %s", strerror (errnum));
-#endif
- }
putc ('\n', stderr);
- fflush (stderr);
- if (status)
- exit (status);
+ exit (EXIT_FAILURE);
}
projects / bison.git / blobdiff