Hi
Andrey How did you achieve scoping in spidermonkey in first place, knowing
that I'm using spidermonkey 45.
On Friday, January 22, 2010 at 10:15:54 AM UTC+2, Andrey Semashev wrote:
>
> Hi,
>
> I'm trying to port my application (a VoiceXML interpreter) from
> Mozilla SpiderMonkey to v8. For ones not familiar with VoiceXML, the
> application allows to run JS scripts in one of the several nested
> scopes, which are represented as objects. The scopes are session,
> application, document and dialog, in order from outer to inner scopes.
> Now, if a script is run in document scope, it can access variables and
> functions from outer scopes unqualified, and all variables and
> functions it defines are created as subobjects of the document scope.
> When the scope is left, all its subobjects are deleted.
>
> In SpiderMonkey, I can specify parent objects on their creation, so I
> can create scope objects hierarchy with the API calls. Also, I can
> specify an object, on which to execute the script, which allows to
> execute it in the given scope. How can I achieve similar functionality
> in v8?
>
> A few words on what I have tried so far. I managed to construct the
> scopes hierarchy by creating properties in the Object interface.
> However, I could not figure out the way to specify these objects for
> Script to execute on. I tried to wrap scripts in a "with" construct,
> but although it solves the scopes visibility problem, it doesn't allow
> to create variables in the current scope. For example, if I run this
> script:
>
> var a = new Object();
> function foo() { return "hello"; }
>
> in the document scope, I want document.a and document.foo objects to
> be created. Wrapping it in a "with (document)" block doesn't give
> that.
>
> I'm sorry if I'm missing something obvious, I'm relatively new to v8
> and JavaScript in general. Any suggestions would be welcome.
>
>
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