Re: Upcoming release

jenny.venus:

>     i want colorrise label in my script.
>     it needs to search backward when the lexer working, such as a label, 
>    syntax like efcc2088, this is a hexadecimal number, 
>    and efcc2088: is a label. 

It's common to set the current state to 'identifier' then when the ':' is seen, call ChangeState to say its really a label.

> 
>     I modified the underlying function of lexer to implement the effect before.
>    I think this approach is not good and I read Some lexer codes, not found any code that implements similar functions
> 
>     so I would like to ask you how to implement StyleContext look back.

You can examine the previous characters with GetRelative or use the underlying LexAccessor methods like SafeGetCharAt. You can also look at the previously set style with StyleAt and BufferStylesAt.

Neil

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