Hi George,
Thanks for this feedback. The method I was describing is a form of
incremental lexing, but is quite different from the one you referenced.
I'll be looking to see if I can combine each of their strengths as I
work. :)
Common features:
* Both methods are incremental. Visua
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Sam,
Have you looked at Incremental lexing? I think it provides very good
performance and used by a number of IDEs. A great reference on incremental
lexing is this paper:
http://harmonia.cs.berkeley.edu/papers/twagner-lexing.pdf
To reduce memory you can use flyweight tokens (one token instance
As I mentioned once in the past, I've been working on improving lexer
performance for applications where the full information/features in
Lexer/CommonToken is not required. A key example is syntax highlighters
which have strict performance requirements and must be updated as a
person types. I'll st
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Greetings!
On Friday 22 May 2009 05:07:55 am schlp...@gmx.ch wrote:
> I'm trying to write a grammar to check the correctness of package names in
> respect to our meta modell. Thereby I ran into to following problems:
>
> ABSTRACTOBJECT:
> SERVICEOBJECT | QUERYOBJECT
>
> SERVICEOBJECT: UPPERCASE
Hi All,
I am using antlr-3.1.3. The problem is that, all the time
TreeNodeStream.index() returns 0. Apparently it is not what we expected. I wish
to define function and remember its entry position. Is it a bug in 3.1.3, or do
I need any configuration? The related interpreter example and my comm
Dear All,
I notice that the JSON grammar is pretty printed with syntax coloring at:
http://www.antlr.org/wiki/display/ANTLR3/JSON+Interpreter?focusedCommentId=11075708#comment-11075708
What tool does it use to do pretty printing? Sometimes it really helps with
such a tool for writing and docume
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If you have a problem getting or keeping an erection, you are not alone.
In fact, more than half of all men over forty have dif
On Friday 22 May 2009 11:07:55 schlp...@gmx.ch wrote:
> Dear all
>
> I'm trying to write a grammar to check the correctness of package names in
> respect to our meta modell. Thereby I ran into to following problems:
>
use syntactic predicates or/and action in lexer rules to change the type of
th
> At 17:58 22/05/2009, Gary R. Van Sickle wrote:
> >var_decl_list
> >: TYPENAME ids+=IDENTIFIER (',' ids+=IDENTIFIER)* -> ^(VAR_DECL
> >TYPENAME IDENTIFIER)+
> >;
> >
> >If your rule can't be reduced to a one-liner like that though (e.g.
> >C declarations), things quickly get compli
Dear all
I'm trying to write a grammar to check the correctness of package names in
respect to our meta modell. Thereby I ran into to following problems:
ABSTRACTOBJECT:
SERVICEOBJECT | QUERYOBJECT
SERVICEOBJECT: UPPERCASE (LOWERCASE|UPPERCASE)+ DIGIT*
QUERYOBJECT: UPPERCASE (LOWERCASE|U
At 17:58 22/05/2009, Gary R. Van Sickle wrote:
>var_decl_list
> : TYPENAME ids+=IDENTIFIER (',' ids+=IDENTIFIER)* -> ^(VAR_DECL
>TYPENAME IDENTIFIER)+
> ;
>
>If your rule can't be reduced to a one-liner like that though
(e.g.
>C declarations), things quickly get complicated, and
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