ant elder wrote:
How about a C++ JavaScript extension to match the one we have in
Java/SCA?
You can use SpiderMonkey [1] which also has E4X support and then we'd be
able to switch SCA JavaScript components btw the Java and C++ runtimes.
Using E4X would mean you don't have the databinding issues when using web
services as the data stays as XML, and you could show us how much faster
your C++ runtime is compared to the Java one ;)
[1] http://www.mozilla.org/js/spidermonkey/
...ant
(sorry a bit late replying but I'm still catching up on mail)
Sorry, a bit late replying to this one too :) but we first needed to
have a good extension story first. With Pete's and Andy's extension work
we now have a good base for looking into implementation and binding
extensions.
Andy's python extension nicely support OO and non-OO development:
<implementation.python module="CalculatorModule" class="Calculator"/>
if you want to implement your component with a Python Calculator class.
and
<implementation.python module="CalculatorModule"/> if you don't like
OO programming and don't need a Python class but just want to implement
your component with module-level functions.
I think this approach will work with Javascript as well.
If you want to implement your component with a a Javascript object:
<implementation.js script="Calculator.js" prototype="Calculator"/>
or
<implementation.js script="Calculator.js" constructor="Calculator"/>
The "prototype=" form may be more correct w.r.t the Javascript language
(which is prototype based instead of class based), but "constructor=" is
more intuitive to me. So I think I prefer the "constructor=" form.
The Calculator component will be implemented like this:
function Calculator() {
this.add=add
}
function add(a1, a2) {
return a1+a2;
}
The runtime will do:
o = new Calculator()
x= o.add(1,2)
Now if don't care about OO and just want functions you just write:
<implementation.js script="Calculator.js"/>
With this form the JS script will look like this:
function add(a1, a2) {
return a1+a2;
}
And the runtime will just do:
x= add(1, 2)
Thoughts?
--
Jean-Sebastien
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