As I see it we can define the feature in 2 levels
1. Basic level - scintilla level:
   At this level we add 3 function in each lexer:
   1.1 getStartBlockCommentMark() - return a string with all start block
comment marks separated by '\n' or something according to the lexer
type (in c return '*\')
   1.2 getEndBlockCommentMark() - return a string with all end block
comment marks separated by '\n' or something according to the lexer
type (in c return '\*')
   1.3 getStreamCommentMark() - return a string with all stream comment

       marks separated by '\n' or something according to the lexer
type (in c return '\\')

2. External level - each scintilla user need to add these level if he
wants      
   to support extended behavior (like scite) - for example start block

   comment '/***********'.

   At this level the following function is necessary:
   2.1 addPostfixToStartBlockComment(char *pPostfix)
   2.2 addPrefixToEndBlockComment(char *pPrefix)
   2.3 addPostfixToStreamComment(char *pPostfix) 

Regards,



-----Original Message-----
From: scintilla-interest-bounces@[...].org
[mailto:scintilla-interest-bounces@[...].org] On Behalf Of Neil Hodgson
Sent: Friday, February 27, 2004 2:09 PM
To: Discussion of the Scintilla editing component
Subject: Re: [scintilla] Retrieve info from lexer

Eido Safrai:

>  I want to add the stream-comment & box-comment
>  to my application, in SciTE the information for
> 
>  That function is stored in the properties files
>  (comment.box.start comment.box.end ).
> 
>  1. Why not to take this information from the lexer (it's
>  already now it)?.

   The lexer should know all the ways that a comment may be created. For
example in Basic, you can use REM or ' to start a line comment. Pascal
has
two stream comments: (* *) and {}.
comment.box.* defines the particular sequence you want to the commenting
command which will use one of the available comment indicators along
with
additional formatting. Some people may want
comment.stream.start.cpp=/*****
comment.stream.end.cpp=*****/

>  2. The SciTE why store duplicate info (one in lexer
>  & one in property file)

   The purposes are different and the values may therefore be different.

>  3. Is it possible to define interface function to get the
>  comment chars from the lexer ?

   It may be a sensible idea to have the lexer provide more information
about the language but I don't think you have rigorously enough defined
what
you want the lexer to yield here.

   Neil

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