Re: how to use ejacs to eval a file as with command line driven interpreters

[Kevin Rodgers <kevin.d.rodgers@gmail.com>]

Xah Lee wrote:
> On Jan 9, 7:09 pm, Kevin Rodgers <kevin.d.rodg...@gmail.com> wrote:
>> http://code.google.com/p/ejacs/wiki/README
>>
>> There is also a console load() function that takes as an argument the
>> path to a JavaScript source file to load and evaluate.
> 
> Thanks Kevin. I missed that.
> 
> ... haven't spend time on this... but “load” is actually just a
> function of js, much like “include” in other lang.
> 
> i'm hoping to have something like eval-region and eval-buffer for it.
> Using the “load” function to implement this might mean a bit of a
> hack.
> 
> ... looking at the source code, looks like js-evaluate in the right
> thing to call. Just did this:
> 
> (js-evaluate "print(4);")
> 
> 4
> 
> seems it insert result and consol prompt into the current buffer, as
> if expecting it is called in a console... a bit more look i found js-
> eval-buffer:
> 
> // (js-eval-buffer (current-buffer))
> print(3);
> 
> but got error
> let: No catch for tag: js-THROW, throw

So you need to establish the js-THROW tag before calling js-eval-buffer:

(catch 'js-THROW
   (js-eval-buffer (current-buffer)))

If you search the ejacs source code for js-THROW and js-eval-buffer, you
should be able to find out how to do it properly.

-- 
Kevin Rodgers
Denver, Colorado, USA