Add native Windows binary for bison.

bison/src/bison/2.4.1/bison-2.4.1-src/src/complain.c

+/* Declaration for error-reporting function for Bison.
+
+   Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006
+   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 Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Based on error.c and error.h,
+   written by David MacKenzie <djm@gnu.ai.mit.edu>.  */
+
+#include <config.h>
+#include "system.h"
+
+#include <stdarg.h>
+
+#include "complain.h"
+#include "files.h"
+#include "getargs.h"
+
+bool complaint_issued;
+
+
+
+/** Report an error message.
+ *
+ * \param loc     the location, defaulting to the current file,
+ *                or the program name.
+ * \param prefix  put before the message (e.g., "warning").
+ * \param message the error message, a printf format string.
+ * \param args    the arguments of the format string.
+ */
+static
+void
+error_message (location *loc,
+               const char *prefix,
+               const char *message, va_list args)
+{
+  if (loc)
+    location_print (stderr, *loc);
+  else
+    fputs (current_file ? current_file : program_name, stderr);
+  fputs (": ", stderr);
+
+  if (prefix)
+    fprintf (stderr, "%s: ", prefix);
+
+  vfprintf (stderr, message, args);
+  va_end (args);
+  putc ('\n', stderr);
+  fflush (stderr);
+}
+
+/** Wrap error_message() with varargs handling. */
+#define ERROR_MESSAGE(Loc, Prefix, Message)     \
+{                                               \
+  va_list args;                                 \
+  va_start (args, Message);                     \
+  error_message (Loc, Prefix, Message, args);   \
+}
+
+
+/*--------------------------------.
+| Report a warning, and proceed.  |
+`--------------------------------*/
+
+static void
+set_warning_issued (void)
+{
+  static bool warning_issued = false;
+  if (!warning_issued && (warnings_flag & warnings_error))
+    {
+      fprintf (stderr, "%s: warnings being treated as errors\n", program_name);
+      complaint_issued = true;
+    }
+  warning_issued = true;
+}
+
+void
+warn_at (location loc, const char *message, ...)
+{
+  set_warning_issued ();
+  ERROR_MESSAGE (&loc, _("warning"), message);
+}
+
+void
+warn (const char *message, ...)
+{
+  set_warning_issued ();
+  ERROR_MESSAGE (NULL, _("warning"), message);
+}
+
+
+/*-----------------------------------------------------------.
+| An error has occurred, but we can proceed, and die later.  |
+`-----------------------------------------------------------*/
+
+void
+complain_at (location loc, const char *message, ...)
+{
+  ERROR_MESSAGE (&loc, NULL, message);
+  complaint_issued = true;
+}
+
+void
+complain (const char *message, ...)
+{
+  ERROR_MESSAGE (NULL, NULL, message);
+  complaint_issued = true;
+}
+
+
+/*-------------------------------------------------.
+| A severe error has occurred, we cannot proceed.  |
+`-------------------------------------------------*/
+
+void
+fatal_at (location loc, const char *message, ...)
+{
+  ERROR_MESSAGE (&loc, _("fatal error"), message);
+  exit (EXIT_FAILURE);
+}
+
+void
+fatal (const char *message, ...)
+{
+  ERROR_MESSAGE (NULL, _("fatal error"), message);
+  exit (EXIT_FAILURE);
+}