Re: Compiler,Translator,Interpeter,Binder?
Derek Parnell wrote:
> The current (2.5) Euphoria interpreter is composed of two sub-programs.
> The front-end converts the source code to IL. The back-end runs the IL.
>
> Binder: Uses the front-end subprogram to convert source code to IL, then
> joins that IL to the back-end subprogram to form a single output file in
> the format of an executable program. When that program executes, it runs
> the back-end so that it can run the embedded IL.
>
> Shrouder: Uses the front-end subprogram to convert source code to IL, then
> encrypts that IL to form a single output file. The special program called
> 'backend.exe' reads the encrypted IL and runs it.
>
> What some people are asking for: Two new facilities. The first would
> just be a stand-alone version of the front-end. It would convert source
> code into IL and write that IL out to a file. The second facility would
> allow the Interpreter to 'include' IL files, which are pre-converted
> source code, just like it can include source files now. This would mean
> that it would be possible for a library author to distribute the IL version
> of the library so that people could include into their applications without
> the overhead of converting the library source to IL at runtime.
>
> These two new ideas have nothing to do with binding or shrouding. They
> would allow newcomers to Euphoria to use the free Interpreter with
> large libraries without the slowish startup time. It might also mean that
> distributed IL files could be smaller than the source code version of
> the library. It would mean that instead of numerous source files that
> go into making a library, they could use a single IL file instead.
>
> Currently, I think that RDS believes this is too much work for little gain
> (from RDS's point of view). It would be in RDS's interest to 'encourage'
> people the buy the Binder themselves if they want faster startup times,
> etc...rather than library authors to provide this ability free of charge.
>
> Of course, RDS could create these two new facilities as enhanced
> products and charge for them. Say each at 50% of the binder price?
> My guess is that RDS would make more sales this way than just hoping
> everyone will buy the binder.
Is there any reason Euphoria 2.5 couldn't go back to block interpreting?
http://www.listfilter.com/EUforum/m9015.html
>
> --
> Derek Parnell
> Melbourne, Australia
>
=====================================
Too many freaks, not enough circuses.
j.
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