On 3/10/10 12:45 PM, Mike Samuel wrote: >> FWIW, in Gecko currently, the stringification happens a few abstraction layers away from the parser, so implementing your suggestion would involve punching holes in those abstractions. > > Ah, so there's a layer that sits between the XPCOM object and the JS > Host object that knows a DOMString is expected, and does the JS foo > necessary to convert to a string? That's correct. The C++ object just implements a method as declared in the DOM IDL; there is a glue layer responsible for coercing the arguments actually given to the types declared in the IDL. This isn't just the case in Gecko; Webkit+JSC has similar behavior. I'd assume that Webkit+V8 does as well, though I haven't looked at the code. -BorisReceived on Wednesday, 10 March 2010 09:52:03 UTC
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