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Introduce DOMClass::heap_size_of

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It holds a function pointer to the HeapSizeOf::heap_size_of_children()
implementation corresponding to that IDL interface.

This removes the need for a clumsly TypeId-based match expression in the
former heap_size_of_eventtarget() function.
This commit is contained in:
Anthony Ramine 2015-10-11 11:50:38 +02:00
parent 32daa17d5c
commit da67630931
4 changed files with 28 additions and 236 deletions
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5
components/script/dom/bindings/codegen/CodegenRust.py
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@ -1748,12 +1748,14 @@ def DOMClass(descriptor):
# padding.
protoList.extend(['PrototypeList::ID::Count'] * (descriptor.config.maxProtoChainLength - len(protoList)))
prototypeChainString = ', '.join(protoList)
heapSizeOf = 'heap_size_of_raw_self_and_children::<%s>' % descriptor.interface.identifier.name
return """\
DOMClass {
interface_chain: [ %s ],
native_hooks: &sNativePropertyHooks,
type_id: %s,
}""" % (prototypeChainString, DOMClassTypeId(descriptor))
heap_size_of: %s as unsafe fn(_) -> _,
}""" % (prototypeChainString, DOMClassTypeId(descriptor), heapSizeOf)
class CGDOMJSClass(CGThing):
@ -5139,6 +5141,7 @@ class CGBindingRoot(CGThing):
'dom::bindings::num::Finite',
'dom::bindings::str::ByteString',
'dom::bindings::str::USVString',
'mem::heap_size_of_raw_self_and_children',
'libc',
'util::str::DOMString',
'std::borrow::ToOwned',