[antlr-interest] Unicode escapes in C++

[Kochismo]

Hi,

I'm interested in parsing a plain ascii file which represents unicode
characters as escaped hex digits.  For example:

blah\uff20\uff30blah

is the string blah,  unicode character #ff20, unicode character #ff30, then
blah.  Recognising it with the lexer is simple enough, but the lexer returns
tokens as C++ strings, rather than unicode friendly wstrings.  Is there a
way I can handle this from within the lexer?  Or will I have to write code
to convert the string token into a wstring?
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