op_create_activation creates a closure. op_tear_off_activation copies stack variables into the heap in order to persist the closure after the function returns.
For more information about closures, see http://en.wikipedia.org/wiki/Closure_(computer_science). Geoff On Jun 18, 2013, at 12:38 PM, Abhishek Bichhawat <abhishek_bichha...@yahoo.co.in> wrote: > Hi, > > We are working on a research project involving webkit. We are currently using > Webkit-r122160 and trying to understand the functionality of two of the > opcodes (op_create_activation and op_tear_off_activation), which are a part > of the classical interpreter. Although, the classical interpreter has been > phased out, we would appreciate if you could provide an insight into the > functionality of the two opcodes. We are interested in the low-level details > of the opcodes as to how they insert an object in the > heap/register/scopechain and delete it from there. > > Thanks and Regards, > Abhishek > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > https://lists.webkit.org/mailman/listinfo/webkit-dev
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