[antlr-interest] About C runtime question.

[Jim Idle]

Read the sources ;-) The 'objects' that are created a lot, such as 
tokens and strings, are not populated by initializing each method 
pointer individually. 

> -----Original Message-----
> From: Ruslan Zasukhin [mailto:sunshine at public.kherson.ua]
> Sent: Tuesday, January 15, 2008 2:36 AM
> To: antlr-interest at antlr.org
> Subject: [antlr-interest] About C runtime question.
> 
> Hi Jim,
> 
> 
> >From here:
> 
>     
http://www.antlr.org/wiki/display/ANTLR3/ANTLR3+Code+Generation+-+C
> 
> > As there is no such thing as an object reference in C, I chose to
> create a
> > number of typedef structs that reflect the calling interface chosen
> by Terence
> > in the Java version of the same. The initialization of a parser,
> lexer, input
> > stream or internal structure therefore consists of allocating the
> memory
> > required for an instance of the typedef struct that represents the
> interface,
> > initializing any counters, pointers and buffers etc, then populating
> a number
> > of pointers to functions that implement the equivalent of the 
methods
> in the
> > Java class.
> 
> Sounds like each time for each new object, is executed population of
> function pointers?
> 
> I think more effective prepare this once, and in the object structure
> keep
> only pointer to StructOfFuncsOfClassXXXX, exactly as C++ do.
> 
> No ?
> 
> P.S. I have not read sources yet
> 
> 
> --
> Best regards,
> 
> Ruslan Zasukhin
> VP Engineering and New Technology
> Paradigma Software, Inc
> 
> Valentina - Joining Worlds of Information
> http://www.paradigmasoft.com
> 
> [I feel the need: the need for speed]
> 
>