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Support [LegacyUnenumerableNamedProperties]

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This commit is contained in:
Anthony Ramine 2015-12-25 04:56:45 +01:00
parent cbf514d63f
commit 7f36247d03
6 changed files with 75 additions and 27 deletions
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82
components/script/dom/bindings/codegen/CodegenRust.py
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@ -2602,13 +2602,25 @@ class CGDefineProxyHandler(CGAbstractMethod):
if self.descriptor.operations['NamedDeleter']:
customDelete = 'delete'
body = """\
getOwnEnumerablePropertyKeys = "None"
if self.descriptor.interface.getExtendedAttribute("LegacyUnenumerableNamedProperties"):
getOwnEnumerablePropertyKeys = "Some(getOwnEnumerablePropertyKeys)"
args = {
"defineProperty": customDefineProperty,
"delete": customDelete,
"getOwnEnumerablePropertyKeys": getOwnEnumerablePropertyKeys,
"trace": TRACE_HOOK_NAME,
"finalize": FINALIZE_HOOK_NAME,
}
return CGGeneric("""\
let traps = ProxyTraps {
enter: None,
getOwnPropertyDescriptor: Some(getOwnPropertyDescriptor),
defineProperty: Some(%s),
defineProperty: Some(%(defineProperty)s),
ownPropertyKeys: Some(own_property_keys),
delete_: Some(%s),
delete_: Some(%(delete)s),
enumerate: None,
preventExtensions: Some(proxyhandler::prevent_extensions),
isExtensible: Some(proxyhandler::is_extensible),
@ -2619,7 +2631,7 @@ let traps = ProxyTraps {
construct: None,
getPropertyDescriptor: Some(get_property_descriptor),
hasOwn: Some(hasOwn),
getOwnEnumerablePropertyKeys: None,
getOwnEnumerablePropertyKeys: %(getOwnEnumerablePropertyKeys)s,
nativeCall: None,
hasInstance: None,
objectClassIs: None,
@ -2627,16 +2639,15 @@ let traps = ProxyTraps {
fun_toString: None,
boxedValue_unbox: None,
defaultValue: None,
trace: Some(%s),
finalize: Some(%s),
trace: Some(%(trace)s),
finalize: Some(%(finalize)s),
objectMoved: None,
isCallable: None,
isConstructor: None,
};
CreateProxyHandler(&traps, &Class as *const _ as *const _)\
""" % (customDefineProperty, customDelete, TRACE_HOOK_NAME, FINALIZE_HOOK_NAME)
return CGGeneric(body)
""" % args)
class CGDefineDOMInterfaceMethod(CGAbstractMethod):
@ -4340,9 +4351,15 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod):
namedGetter = self.descriptor.operations['NamedGetter']
if namedGetter:
attrs = "JSPROP_ENUMERATE"
attrs = []
if not self.descriptor.interface.getExtendedAttribute("LegacyUnenumerableNamedProperties"):
attrs.append("JSPROP_ENUMERATE")
if self.descriptor.operations['NamedSetter'] is None:
attrs += " | JSPROP_READONLY"
attrs.append("JSPROP_READONLY")
if attrs:
attrs = " | ".join(attrs)
else:
attrs = "0"
fillDescriptor = ("desc.get().value = result_root.ptr;\n"
"fill_property_descriptor(&mut *desc.ptr, *proxy.ptr, %s);\n"
"return true;" % attrs)
@ -4518,6 +4535,49 @@ class CGDOMJSProxyHandler_ownPropertyKeys(CGAbstractExternMethod):
return CGGeneric(self.getBody())
class CGDOMJSProxyHandler_getOwnEnumerablePropertyKeys(CGAbstractExternMethod):
def __init__(self, descriptor):
assert (descriptor.operations["IndexedGetter"] and
descriptor.interface.getExtendedAttribute("LegacyUnenumerableNamedProperties"))
args = [Argument('*mut JSContext', 'cx'),
Argument('HandleObject', 'proxy'),
Argument('*mut AutoIdVector', 'props')]
CGAbstractExternMethod.__init__(self, descriptor,
"getOwnEnumerablePropertyKeys", "bool", args)
self.descriptor = descriptor
def getBody(self):
body = dedent(
"""
let unwrapped_proxy = UnwrapProxy(proxy);
""")
if self.descriptor.operations['IndexedGetter']:
body += dedent(
"""
for i in 0..(*unwrapped_proxy).Length() {
let rooted_jsid = RootedId::new(cx, int_to_jsid(i as i32));
AppendToAutoIdVector(props, rooted_jsid.handle().get());
}
""")
body += dedent(
"""
let expando = get_expando_object(proxy);
if !expando.is_null() {
let rooted_expando = RootedObject::new(cx, expando);
GetPropertyKeys(cx, rooted_expando.handle(), JSITER_OWNONLY | JSITER_HIDDEN | JSITER_SYMBOLS, props);
}
return true;
""")
return body
def definition_body(self):
return CGGeneric(self.getBody())
class CGDOMJSProxyHandler_hasOwn(CGAbstractExternMethod):
def __init__(self, descriptor):
args = [Argument('*mut JSContext', 'cx'), Argument('HandleObject', 'proxy'),
@ -4967,6 +5027,8 @@ class CGDescriptor(CGThing):
cgThings.append(CGProxyUnwrap(descriptor))
cgThings.append(CGDOMJSProxyHandlerDOMClass(descriptor))
cgThings.append(CGDOMJSProxyHandler_ownPropertyKeys(descriptor))
if descriptor.interface.getExtendedAttribute("LegacyUnenumerableNamedProperties"):
cgThings.append(CGDOMJSProxyHandler_getOwnEnumerablePropertyKeys(descriptor))
cgThings.append(CGDOMJSProxyHandler_getOwnPropertyDescriptor(descriptor))
cgThings.append(CGDOMJSProxyHandler_className(descriptor))
cgThings.append(CGDOMJSProxyHandler_get(descriptor))