No. It should back up to the previous lexeme and start there. Robby
On Tuesday, August 2, 2011, Jon Rafkind <[email protected]> wrote: > On 08/01/2011 06:40 PM, Matthew Flatt wrote: >> At Mon, 01 Aug 2011 18:13:11 -0600, Jon Rafkind wrote: >>> How do I deal with partial lexemes when using the color:text colorer? It >>> seems that if my lexer cannot produce a valid token then it will throw >>> an error and the color thread will keep calling `get-token' in a busy loop. >>> >>> Is there some magic thing I can return from `get-token' to tell the >>> colorer that it should not progress to the next position? >> A coloring lexer's job is to never fail. It should instead categorize >> bad input as 'error and be ready to continue. >> >> Continuing can mean categorizing all further input as 'error, but it's >> usually better to continue in some other way. >> > > It seems the colorer re-tokenizes the entire input stream each time I > enter a character. Is that the expected behavior? > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users >
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