Add copyright updates missed during previous cherry pick.

[bison.git] / src / scan-gram.l

diff --git a/src/scan-gram.l b/src/scan-gram.l
index 697f52f054a73058ae287624c6fdf6ff9f757d46..c29e167df59f34bc2a80ce7ec805de2c4f185d2e 100644 (file)
--- a/src/scan-gram.l
+++ b/src/scan-gram.l
@@ -1,7 +1,7 @@
 /* Bison Grammar Scanner                             -*- C -*-
 
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation,
-   Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free
+   Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -90,8 +90,8 @@ static void unexpected_newline (boundary, char const *);
 %x SC_STRING SC_CHARACTER
 
 letter   [.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_]
-id       {letter}({letter}|[0-9])*
-directive %{letter}({letter}|[0-9]|-)*
+id       {letter}({letter}|[0-9]|-)*
+directive %{id}
 int      [0-9]+
 
 /* POSIX says that a tag must be both an id and a C union member, but
@@ -152,6 +152,13 @@ splice      (\\[ \f\t\v]*\n)*
   /*----------------------------.
   | Scanning Bison directives.  |
   `----------------------------*/
+
+  /* For directives that are also command line options, the regex must be
+       "%..."
+     after "[-_]"s are removed, and the directive must match the --long
+     option name, with a single string argument.  Otherwise, add exceptions
+     to ../build-aux/cross-options.pl.  */
+
 <INITIAL>
 {
   "%binary"                        return PERCENT_NONASSOC;
@@ -375,7 +382,7 @@ splice       (\\[ \f\t\v]*\n)*
     unexpected_eof (token_start, "'");
     STRING_FINISH;
     loc->start = token_start;
-    if (strlen(last_string) > 1)
+    if (strlen (last_string) > 1)
       val->character = last_string[1];
     else
       val->character = last_string[0];