csharp.rb in rouge-4.1.0

- old
+ new

@@ -25,23 +25,23 @@
         internal is lock new null operator out override params private
         protected public readonly ref return sealed sizeof stackalloc
         static switch this throw true try typeof unchecked unsafe
         virtual void volatile while
         add alias async await get global partial remove set value where
-        yield nameof
-        ascending by descending equals from group in into join let on
-        orderby select
+        yield nameof notnull
+        ascending by descending equals from group in init into join let
+        on orderby select unmanaged when and not or with
       )
 
       keywords_type = %w(
-        bool byte char decimal double dynamic float int long object
-        sbyte short string uint ulong ushort var
+        bool byte char decimal double dynamic float int long nint nuint
+        object sbyte short string uint ulong ushort var
       )
 
       cpp_keywords = %w(
         if endif else elif define undef line error warning region
-        endregion pragma
+        endregion pragma nullable
       )
 
       state :whitespace do
         rule %r/\s+/m, Text
         rule %r(//.*?$), Comment::Single
@@ -79,17 +79,18 @@
 
         rule %r/[~!%^&*()+=|\[\]{}:;,.<>\/?-]/, Punctuation
         rule %r/@"(""|[^"])*"/m, Str
         rule %r/"(\\.|.)*?["\n]/, Str
         rule %r/'(\\.|.)'/, Str::Char
-        rule %r/0x[0-9a-f]+[lu]?/i, Num
+        rule %r/0b[_01]+[lu]?/i, Num
+        rule %r/0x[_0-9a-f]+[lu]?/i, Num
         rule %r(
-          [0-9]
-          ([.][0-9]*)? # decimal
-          (e[+-][0-9]+)? # exponent
-          [fldu]? # type
+          [0-9](?:[_0-9]*[0-9])?
+          ([.][0-9](?:[_0-9]*[0-9])?)? # decimal
+          (e[+-]?[0-9](?:[_0-9]*[0-9])?)? # exponent
+          [fldum]? # type
         )ix, Num
-        rule %r/\b(?:class|struct|interface)\b/, Keyword, :class
+        rule %r/\b(?:class|record|struct|interface)\b/, Keyword, :class
         rule %r/\b(?:namespace|using)\b/, Keyword, :namespace
         rule %r/^#[ \t]*(#{cpp_keywords.join('|')})\b.*?\n/,
           Comment::Preproc
         rule %r/\b(#{keywords.join('|')})\b/, Keyword
         rule %r/\b(#{keywords_type.join('|')})\b/, Keyword::Type