[Lazarus] SynEdit Syntax implementation help

[ik]

Thanks, that helped me a lot.

Ido

2010/6/11 Martin <lazarus at mfriebe.de>

>  On 11/06/2010 21:28, ik wrote:
>
> Hello List,
>
> Following old emails of mine, I've started first doing some very simple
> syntax, and decided to create a BasicConfig syntax highlight<http://github.com/ik5/SynEdit-syntaxes/blob/master/synhighlighterbasicconfig.pas>(the link is to my code).
> I implemented everything I'm thinking that I understand in implementing the
> highlight (it will be good to know that it's not the case).
> So now I need to understand better what to do next, and what does it mean
> each of the method that required to be implemented ?
>
> I am writing this while away, and without full access to my usual work, so
> it will not be too detailed.
>
> There are 2 places in synedit.pp you can look at to see, what is called.
>
> TSynEdit.ScanRanges
> TSynEdit.PaintLines (may be nested procedure)
>
> They show you all the methods that get called on the highlighter/
> On top of this SynExport, or HtmlExport or similar (and some pascal stuff
> in the IDE SourceEditorProcs) call SetLine/SetRange directly (so for now
> that may need to be supported too)
>
> in the SynEdit folder docs dir is some xml/fpdoc stuff on
> CurrentLines/CurrentRanges ....
>
> ---
> Highlighter.ScanRanges must ensure all lines are scanned (a proper range
> recored is stored for each line)
>
> In PaintLines the individual tokens are requested by SynEdit. something
> similar to:
> - StartAtLine
> - GetToken(EX)
> - GetAttribute
>
> The tokens returned per line (GetEOL) must match the length of the actual
> line, otherwhise it will crash
>
> Martin
>
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