On Wed, Mar 31, 2010 at 12:07 PM, Stephan Beal <[email protected]>wrote:
> Hello, all!
>
> i just spent 3 hours trying to figure out why my
> ObjectTemplate::SetIndexedPropertyHandler()-assigned handlers were
> never being called, finally found a hint at the solution in some 3rd-
> party code[1], and now i have a question...
>
Works for me.
#include <iostream>
#include "third_party/v8/include/v8.h"
using v8::AccessorInfo;
using v8::Context;
using v8::FunctionTemplate;
using v8::Handle;
using v8::HandleScope;
using v8::Number;
using v8::Script;
using v8::String;
using v8::V8;
using v8::Value;
Handle<Value> GetValue(uint32_t index, const AccessorInfo& info) {
return Number::New(index);
}
int main(int argc, char **argv) {
V8::SetFlagsFromCommandLine(&argc, argv, true);
HandleScope handle_scope;
Handle<Context> context = Context::New();
Context::Scope context_scope(context);
Handle<FunctionTemplate> ft = FunctionTemplate::New();
ft->PrototypeTemplate()->SetIndexedPropertyHandler(GetValue);
context->Global()->Set(String::New("F"), ft->GetFunction());
cout << *String::AsciiValue(
Script::Compile(String::New("new F()[13]"))->Run()) << endl;
context->Global()->Set(String::New("instance1"),
ft->InstanceTemplate()->NewInstance());
cout << *String::AsciiValue(
Script::Compile(String::New("instance1[13]"))->Run()) << endl;
context->Global()->Set(String::New("instance2"),
ft->GetFunction()->NewInstance());
cout << *String::AsciiValue(
Script::Compile(String::New("instance2[13]"))->Run()) << endl;
return 0;
}
>
> Apparently SetIndexedPropertyHandler() must be called on classTemplate-
> >InstanceTemplate() and not classTemplate->PrototypeTemplate() (where
> all other class properties except InternalFieldCount are set,
> including the AccessorGetter/Setter bindings).
>
> Why?
>
> What's the difference between the InstanceTemplate and the
> PrototypeTemplate?
>
>
> :-?
>
>
> [1]=http://www.sand-labs.org/svn/trunk/WebCore/bindings/v8/
> V8Collection.h
>
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