Re: Re: SQL Integration

You could insert a new pipeline step that would run before the parser
and preprocess the Input collection. The collection is not read-only.
You could, for instance, preprocess each file and replace every
FileInput with a new StringInput.

Rodrigo

On Wed, 23 Feb 2005 19:26:46 +0100, Hans-Christian Holm
<hchrholm-f/vm7P8qpiNhl2p70BpVqQ@xxxxxxxxxxxxxxxx> wrote:
> 
> ----- Original Message -----
> From: "Doug H" <doug00-Re5JQEeQqe8AvxtiuMwx3w@xxxxxxxxxxxxxxxx>
> To: <dev-lK5OYVT/OUeB6hVKlEQLGA@xxxxxxxxxxxxxxxx>
> Sent: Tuesday, February 22, 2005 9:20 PM
> Subject: Re: [boo-dev] Re: SQL Integration
> 
> > On Fri, 18 Feb 2005 18:39:54 +0100, Hans-Christian Holm
> > <hchrholm-f/vm7P8qpiNhl2p70BpVqQ@xxxxxxxxxxxxxxxx> wrote:
> >> Perhaps this wish should be expressed in a more general way: Could it be
> >> or
> >> is it possible to extend and customise Boo beyond macros, like defining
> >> new
> >> tokens, new syntax rules, custom IL generation etc? I'd like to see not
> >> only
> >> embedded SQL and XML processing like in Comega, but even embedded IL
> >> (like
> >> embedded assembly code in some languages). Could Boo eventually become
> >> some
> >> kind of a meta-language, a base for special needs so that you don't have
> >> to
> >> design a language and a compiler from scratch everytime you'd like a
> >> domain
> >> specific language?
> >
> > I think especially with the next all-boo version of the compiler,
> > plugging in optional services like this will be even easier.
> > See Rodrigo's notes on compiler profiles:
> > http://blogs.codehaus.org/people/bamboo/archives/000919_compiler_pipelines_and_compiler_profiles.html
> > See also http://jira.codehaus.org/browse/BOO-82
> 
> One approach to this could to preprocess source files for stuff that doesn't
> suit the Boo parser. Not half as elegant, though. However, I've looked
> through the compiler source code, and so far, I haven't found any place to
> plug in a preprocessor. As soon as booc.exe has added a FileInput object to
> the BooCompiler.Input, everything is read only as far as source code is
> concerned. While it's trivial do read and preprocess files before adding
> them to a BooCompiler, it would be nice to have a more general way to add
> preprocessing so that you still can use booc.exe. Or did I miss something
> here?
> 
> Hans-Christian
> 
> 


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