X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/a0f6b076110ea79f25e13701d7f0ee4b38630d4d..d6ea8200af27933cac4ca91df7cf2693154cd2b9:/src/complain.c

diff --git a/src/complain.c b/src/complain.c
index 973ff299..89b1ce5b 100644
--- a/src/complain.c
+++ b/src/complain.c
@@ -1,5 +1,5 @@
 /* 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
@@ -19,33 +19,20 @@
 /* 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>
+#include "system.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;
+#include <stdarg.h>
+#if ! (HAVE_VPRINTF || defined vfprintf)
+# define vfprintf(stream, message, args) _doprnt (message, args, stream)
 #endif
 
 #if STDC_HEADERS || _LIBC
 # include <stdlib.h>
 # include <string.h>
-#else
-void exit ();
 #endif
 
 #include "complain.h"
+#include "files.h"
 
 #ifndef _
 # define _(String) String
@@ -53,71 +40,91 @@ void exit ();
 
 #ifdef _LIBC
 /* In the GNU C library, there is a predefined variable for this.  */
+
 # define program_name program_invocation_name
+# include <errno.h>
+
+/* In GNU libc we want do not want to use the common name `error' directly.
+   Instead make it a weak alias.  */
+# define error __error
+# define error_at_line __error_at_line
+
+# ifdef USE_IN_LIBIO
+#  include <libio/iolibio.h>
+#  define fflush(s) _IO_fflush (s)
+# endif
+
 #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;
+
+  if (errnum > 0 && errnum <= sys_nerr)
+    return _(sys_errlist[errnum]);
+  return _("Unknown system error");
+}
+#  define strerror private_strerror
+# endif /* HAVE_STRERROR */
+#endif	/* not _LIBC */
+
+/* This variable is set each time `warn' is called.  */
+bool warning_issued;
 
-/* This variable is incremented each time `complain' is called.  */
-unsigned int complain_message_count;
+/* 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;
 
 /*--------------------------------.
 | 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_t location, const char *message, ...)
 {
-#ifdef VA_START
   va_list args;
-#endif
 
-  if (error_one_per_line)
-    {
-      static const char *old_infile;
-      static unsigned int old_lineno;
+  fflush (stdout);
+  location_print (stderr, location);
+  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 (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);
+  fflush (stdout);
+  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);
 }
@@ -127,47 +134,36 @@ warn (message, va_alist)
 `-----------------------------------------------------------*/
 
 void
-#if defined VA_START && __STDC__
-complain (const char *message, ...)
-#else
-complain (message, va_alist)
-     char *message;
-     va_dcl
-#endif
+complain_at (location_t location, const char *message, ...)
 {
-#ifdef VA_START
   va_list args;
-#endif
 
-  if (error_one_per_line)
-    {
-      static const char *old_infile;
-      static unsigned int old_lineno;
+  fflush (stdout);
+  location_print (stderr, location);
+  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);
+  fflush (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);
 }
@@ -177,93 +173,37 @@ complain (message, va_alist)
 `-------------------------------------------------*/
 
 void
-#if defined VA_START && __STDC__
-fatal (const char *message, ...)
-#else
-fatal (message, va_alist)
-     char *message;
-     va_dcl
-#endif
+fatal_at (location_t location, 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, location);
+  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);
 }
-
-/*------------------------------------------------------------------.
-| 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);
 }