maint: update gnu-web-doc-update.

[bison.git] / src / complain.c

diff --git a/src/complain.c b/src/complain.c
index f7900af45fb8e2ece805d32c4057ce041c0941bb..dee3c3bbfed0ef52facee10c4ee36a77609b6731 100644 (file)
--- a/src/complain.c
+++ b/src/complain.c
@@ -1,6 +1,6 @@
 /* Declaration for error-reporting function for Bison.
 
 /* Declaration for error-reporting function for Bison.
 

-   Copyright (C) 2000-2002, 2004-2006, 2009-2010 Free Software
+   Copyright (C) 2000-2002, 2004-2006, 2009-2012 Free Software

    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify


@@ -23,6 +23,7 @@
 #include "system.h"
 
 #include <stdarg.h>
 #include "system.h"
 
 #include <stdarg.h>

+#include <progname.h>

 
 #include "complain.h"
 #include "files.h"
 
 #include "complain.h"
 #include "files.h"


@@ -38,7 +39,10 @@ static unsigned *indent_ptr = 0;
  * \param loc     the location, defaulting to the current file,
  *                or the program name.
  * \param prefix  put before the message (e.g., "warning").
  * \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 message the error message, a printf format string.  Iff it
+ *                ends with ": ", then no trailing newline is printed,
+ *                and the caller should print the remaining
+ *                newline-terminated message to stderr.

  * \param args    the arguments of the format string.
  */
 static
  * \param args    the arguments of the format string.
  */
 static


@@ -68,8 +72,13 @@ error_message (location *loc,
     fprintf (stderr, "%s: ", prefix);
 
   vfprintf (stderr, message, args);
     fprintf (stderr, "%s: ", prefix);
 
   vfprintf (stderr, message, args);

-  putc ('\n', stderr);
-  fflush (stderr);
+  {
+    size_t l = strlen (message);
+    if (l < 2 || message[l-2] != ':' || message[l-1] != ' ') {
+      putc ('\n', stderr);
+      fflush (stderr);
+    }
+  }

 }
 
 /** Wrap error_message() with varargs handling. */
 }
 
 /** Wrap error_message() with varargs handling. */


@@ -86,7 +95,7 @@ error_message (location *loc,
 | Report a warning, and proceed.  |
 `--------------------------------*/
 
 | Report a warning, and proceed.  |
 `--------------------------------*/
 

-static void
+void

 set_warning_issued (void)
 {
   static bool warning_issued = false;
 set_warning_issued (void)
 {
   static bool warning_issued = false;


@@ -101,6 +110,8 @@ set_warning_issued (void)
 void
 warn_at (location loc, const char *message, ...)
 {
 void
 warn_at (location loc, const char *message, ...)
 {

+  if (!(warnings_flag & warnings_other))
+    return;

   set_warning_issued ();
   ERROR_MESSAGE (&loc, _("warning"), message);
 }
   set_warning_issued ();
   ERROR_MESSAGE (&loc, _("warning"), message);
 }


@@ -109,6 +120,8 @@ void
 warn_at_indent (location loc, unsigned *indent,
                 const char *message, ...)
 {
 warn_at_indent (location loc, unsigned *indent,
                 const char *message, ...)
 {

+  if (!(warnings_flag & warnings_other))
+    return;

   set_warning_issued ();
   indent_ptr = indent;
   ERROR_MESSAGE (&loc, _("warning"), message);
   set_warning_issued ();
   indent_ptr = indent;
   ERROR_MESSAGE (&loc, _("warning"), message);


@@ -117,6 +130,8 @@ warn_at_indent (location loc, unsigned *indent,
 void
 warn (const char *message, ...)
 {
 void
 warn (const char *message, ...)
 {

+  if (!(warnings_flag & warnings_other))
+    return;

   set_warning_issued ();
   ERROR_MESSAGE (NULL, _("warning"), message);
 }
   set_warning_issued ();
   ERROR_MESSAGE (NULL, _("warning"), message);
 }


@@ -170,6 +185,14 @@ yacc_at (location loc, const char *message, ...)
     }
 }
 
     }
 }
 

+void
+midrule_value_at (location loc, const char *message, ...)
+{
+  if (!(warnings_flag & warnings_midrule_values))
+    return;
+  set_warning_issued ();
+  ERROR_MESSAGE (&loc, _("warning"), message);
+}

 
 /*-------------------------------------------------.
 | A severe error has occurred, we cannot proceed.  |
 
 /*-------------------------------------------------.
 | A severe error has occurred, we cannot proceed.  |