[antlr-interest] Antlr syntax reference
Sam Kuper
sam.kuper at uclmail.net
Tue Jun 24 11:59:42 PDT 2008
Dear Steven,
2008/6/24 Steven D. Vormwald <sdvormwa at mtu.edu>:
> I could be wrong about this, but I believe ANTLR recognizes the same
> character escapes in strings that java does:
>
> '\n' is newline
> '\r' is carriage return
> '\t' is tab
> '\uXXXX' is the unicode character at codepoint XXXX (in hex)
> '\\' is backslash
>
> and so on. From http://www.antlr.org/wiki/display/ANTLR3/Grammars (Lexer
> Rules section), you can see examples of the '\t' and '\uXXXX' being used. I
> don't think this is a rule, as much as a convention for inserting "special"
> characters in strings.
>
Right you are. Thought I'd already searched for '\n' on
http://www.antlr.org/wiki/display/ANTLR3/Grammars - I must have searched for
'/n' - oops (I've obviously been having a long day... :-/ ).
Thanks for picking this up for me! It's answered my request :)
Sam
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