* XQuery Implementation: Galax version 0.5.0 available
@ 2005-02-17 0:40 Mary Fernandez
2005-02-17 1:19 ` [Caml-list] " skaller
0 siblings, 1 reply; 3+ messages in thread
From: Mary Fernandez @ 2005-02-17 0:40 UTC (permalink / raw)
To: caml-list
We are proud to announce version 0.5.0 of Galax, an open source
implementation of XQuery 1.0.
This version implements the October 2004 XQuery working drafts and
includes a completely redesigned compiler with an algebraic optimizer,
a more efficient XML parser, and numerous bug fixes.
Galax 0.5.0 can be downloaded from the Galax Web site at:
http://www.galaxquery.org/
In addition to the Galax source, pre-compiled binaries are available
for Linux, MacOS, Solaris, and Windows with MinGW.
Galax provides APIs for O'Caml, C, and Java and is implemented in
O'Caml.
--
Mary Fernandez <mff@research.att.com>
AT&T Labs - Research
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Caml-list] XQuery Implementation: Galax version 0.5.0 available
2005-02-17 0:40 XQuery Implementation: Galax version 0.5.0 available Mary Fernandez
@ 2005-02-17 1:19 ` skaller
2005-02-17 13:17 ` Mary Fernandez
0 siblings, 1 reply; 3+ messages in thread
From: skaller @ 2005-02-17 1:19 UTC (permalink / raw)
To: Mary Fernandez; +Cc: caml-list
On Thu, 2005-02-17 at 11:40, Mary Fernandez wrote:
> Galax provides APIs for O'Caml, C, and Java and is implemented in
> O'Caml.
I'm curious how you provide a CAPI for Ocaml code?
--
John Skaller, mailto:skaller@users.sf.net
voice: 061-2-9660-0850,
snail: PO BOX 401 Glebe NSW 2037 Australia
Checkout the Felix programming language http://felix.sf.net
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Caml-list] XQuery Implementation: Galax version 0.5.0 available
2005-02-17 1:19 ` [Caml-list] " skaller
@ 2005-02-17 13:17 ` Mary Fernandez
0 siblings, 0 replies; 3+ messages in thread
From: Mary Fernandez @ 2005-02-17 13:17 UTC (permalink / raw)
To: skaller; +Cc: caml-list
It's not hard, really, just tedious. Unfortunately,
the Caml IDL tool only generates wrapper code for
calling C from O'Caml, not vice versa, so we
write that code by hand. In short:
C_API_stub.c - contains our C API. This code handles
converting C values to O'Caml values, setting up
actual arguments to O'Caml functions, then calling
the O'Caml callback functions. There's some messy
memory/heap management code in here too
Caml_API_stub.ml - contains wrapper functions that
are called from C API. These functions are registered
using the Callback module. They call our real Caml API.
We create a shared library that contains our Caml library,
the C_API stub, and the O'Caml runtime system. (IT's BIG!)
And that gets linked with the user's C program.
I hope that makes sense.
Mary
On Wed, 2005-02-16 at 20:19, skaller wrote:
> On Thu, 2005-02-17 at 11:40, Mary Fernandez wrote:
>
> > Galax provides APIs for O'Caml, C, and Java and is implemented in
> > O'Caml.
>
> I'm curious how you provide a CAPI for Ocaml code?
--
Mary Fernandez <mff@research.att.com>
AT&T Labs - Research
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