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script: Properly implement LegacyPlatformGetOwnProperty in WebIDL.

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We were missing the "ignoreNamedProperties" bit, which my previous patch
uncovers.
This commit is contained in:
Emilio Cobos Álvarez 2017-09-18 06:55:08 +02:00
parent 6edefb829c
commit 90fb284720
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GPG key ID: 056B727BB9C1027C
2 changed files with 24 additions and 17 deletions
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33
components/script/dom/bindings/codegen/CodegenRust.py
View file

@ -4817,15 +4817,14 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod):
"bool", args)
self.descriptor = descriptor
# https://heycam.github.io/webidl/#LegacyPlatformObjectGetOwnProperty
def getBody(self):
indexedGetter = self.descriptor.operations['IndexedGetter']
indexedSetter = self.descriptor.operations['IndexedSetter']
get = ""
if indexedGetter or indexedSetter:
if indexedGetter:
get = "let index = get_array_index_from_id(cx, id);\n"
if indexedGetter:
attrs = "JSPROP_ENUMERATE"
if self.descriptor.operations['IndexedSetter'] is None:
attrs += " | JSPROP_READONLY"
@ -4864,11 +4863,16 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod):
'successCode': fillDescriptor,
'pre': 'rooted!(in(cx) let mut result_root = UndefinedValue());'
}
# See the similar-looking in CGDOMJSProxyHandler_get for the spec quote.
condition = "RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id)"
if indexedGetter:
condition = "index.is_none() && (%s)" % condition
# Once we start supporting OverrideBuiltins we need to make
# ResolveOwnProperty or EnumerateOwnProperties filter out named
# properties that shadow prototype properties.
namedGet = """
if RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id) {
if %s {
let mut has_on_proto = false;
if !has_property_on_prototype(cx, proxy, id, &mut has_on_proto) {
return false;
@ -4877,7 +4881,7 @@ if RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id) {
%s
}
}
""" % CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues), 8).define()
""" % (condition, CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues), 8).define())
else:
namedGet = ""
@ -5093,9 +5097,12 @@ class CGDOMJSProxyHandler_hasOwn(CGAbstractExternMethod):
indexed = ""
namedGetter = self.descriptor.operations['NamedGetter']
condition = "RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id)"
if indexedGetter:
condition = "index.is_none() && (%s)" % condition
if namedGetter:
named = """\
if RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id) {
if %s {
let mut has_on_proto = false;
if !has_property_on_prototype(cx, proxy, id, &mut has_on_proto) {
return false;
@ -5107,7 +5114,7 @@ if RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id) {
}
}
""" % CGIndenter(CGProxyNamedGetter(self.descriptor), 8).define()
""" % (condition, CGIndenter(CGProxyNamedGetter(self.descriptor), 8).define())
else:
named = ""
@ -5136,6 +5143,7 @@ class CGDOMJSProxyHandler_get(CGAbstractExternMethod):
CGAbstractExternMethod.__init__(self, descriptor, "get", "bool", args)
self.descriptor = descriptor
# https://heycam.github.io/webidl/#LegacyPlatformObjectGetOwnProperty
def getBody(self):
getFromExpando = """\
rooted!(in(cx) let mut expando = ptr::null_mut());
@ -5175,9 +5183,16 @@ if !expando.is_null() {
namedGetter = self.descriptor.operations['NamedGetter']
if namedGetter:
getNamed = ("if RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id) {\n" +
condition = "RUST_JSID_IS_STRING(id) || RUST_JSID_IS_INT(id)"
# From step 1:
# If O supports indexed properties and P is an array index, then:
#
# 3. Set ignoreNamedProps to true.
if indexedGetter:
condition = "index.is_none() && (%s)" % condition
getNamed = ("if %s {\n" +
CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues)).define() +
"}\n")
"}\n") % condition
else:
getNamed = ""

8
tests/wpt/metadata/webstorage/storage_indexing.html.ini
View file

@ -1,8 +0,0 @@
[storage_indexing.html]
type: testharness
[Getting existing number-valued properties on localStorage]
expected: FAIL
[Getting existing number-valued properties on sessionStorage]
expected: FAIL