Re: Own programming language mode - syntax highlighting

[Oleksandr Gavenko <gavenko@bifit.com.ua>]

On 14.09.2010 14:15, Deniz Dogan wrote:
> 2010/9/14 Gary<help-gnu-emacs@garydjones.name>:
>> Following Xah Lee's excellent tutorial, I have been able to get the
>> basics done - syntax highlighting, indentation, and so on. What I am
>> missing is a small part of the syntax highlighting related to variables.
>>
>> Declarations work fine - for example
>> int x = 0
>> is correctly highlighted. What I can't work out how to do is to
>> highlight declared variables in the rest of the code, for example when I
>> later use x such as
>> x = x+1
>>
>> Does anyone have any ideas? Ideally I'd like to only highlight those
>> variables I have really declared, not something that just looks like it
>> *might* be a variable, so I can see immediately if I've made a mistake
>> in my coding or typing.
>>
>
> To do this in a sensible way you need a real parser, which can be
> implemented using e.g. Semantic[1]. Simple regular expressions and
> such cannot be used for this purpose in a sensible way.

Really by '(define-generic-mode ...)' you usually specify regex.

There are possibility use functions for MATCHER (see doc for 
'font-lock-keywords').

You can implement rudimental parser by that way,
but you must carefully wrote it for performance reason.

Is there any good example of use function for MATCHER?