Would you be able to provide sample code? On Sun, Dec 27, 2009 at 8:27 AM, Bryan White <[email protected]> wrote: > On Sat, Dec 26, 2009 at 5:15 PM, Philippe Roy <[email protected]> > wrote: >> I am currently using v8 as my javascript engine in order to calculate >> conceptual representations of natural language input. It works >> extremely well, but I feel that it could have better performance. >> >> In my snippet of code lower, I first compile the javascript source, >> and then execute it. I have tried to keep the script variable into a >> cache so that I wouldn't need to compile it on the second pass, but it >> appears the script variable only lives within the context under which >> it was compiled. This is a sad limitation that I would like to get rid >> of. Is there a way to do that? > > I keep a cache of contexts around. The downside is data can be left > in the global scope from one execution to the next. I try to prevent > this by: > > 1) creating before each execution a 'Request' object and placing it > in the Global object. > 2) Installing an interceptor in the global object to prevent > assignments during script execution. > > The idea is to have the scripts use the Request object as a place to > install globals. There are probably a lot of ways to get information > bleed that the interceptor will not catch. I trust my script > programmers to not be intentionally doing bad things and the > interceptor catches most of the accidents. Third party javascript > libraries may not play be the rules however. > > Note, the interceptor is not active when the script is 'Run', only > later when I call a script provided function. > > -- > Bryan White > > -- > v8-users mailing list > [email protected] > http://groups.google.com/group/v8-users >
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