portability: fix several issues with M4 subprocess.

[bison.git] / src / complain.h

diff --git a/src/complain.h b/src/complain.h
index 89cdd91d3dcc80f62ba998007af803d64f707bd3..3e028d69dec85cd8e3271b20bdbe389e8e47297c 100644 (file)
--- a/src/complain.h
+++ b/src/complain.h
@@ -1,5 +1,6 @@
 /* Declaration for error-reporting function for Bison.
-   Copyright (C) 2000, 2001, 2002, 2006, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2000-2002, 2006, 2009-2010 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
@@ -31,6 +32,13 @@ void warn (char const *format, ...)
 void warn_at (location loc, char const *format, ...)
   __attribute__ ((__format__ (__printf__, 2, 3)));
 
+/* Generate a message aligned by an indent.
+   When *indent == 0, assign message's indent to *indent,
+   When *indent > 0, align the message by *indent value. */
+void warn_at_indent (location loc, unsigned *indent,
+                     char const *format, ...)
+  __attribute__ ((__format__ (__printf__, 3, 4)));
+
 /** An error, but we continue and die later.  */
 
 void complain (char const *format, ...)
@@ -39,6 +47,13 @@ void complain (char const *format, ...)
 void complain_at (location loc, char const *format, ...)
   __attribute__ ((__format__ (__printf__, 2, 3)));
 
+/* Generate a message aligned by an indent.
+   When *indent == 0, assign message's indent to *indent,
+   When *indent > 0, align the message by *indent value. */
+void complain_at_indent (location loc, unsigned *indent,
+                         char const *format, ...)
+  __attribute__ ((__format__ (__printf__, 3, 4)));
+
 /** An incompatibility with POSIX Yacc: mapped either to warn* or
     complain* depending on yacc_flag. */