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Make has_property_on_prototype fallible

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This commit is contained in:
Anthony Ramine 2016-08-24 15:29:12 +02:00
parent fbc8938bee
commit f70fa98954
2 changed files with 33 additions and 15 deletions
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35
components/script/dom/bindings/codegen/CodegenRust.py
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@ -4724,10 +4724,17 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod):
# Once we start supporting OverrideBuiltins we need to make
# ResolveOwnProperty or EnumerateOwnProperties filter out named
# properties that shadow prototype properties.
namedGet = ("\n" +
"if RUST_JSID_IS_STRING(id) && !has_property_on_prototype(cx, proxy, id) {\n" +
CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues)).define() + "\n" +
"}\n")
namedGet = """
if RUST_JSID_IS_STRING(id) {
let mut has_on_proto = false;
if !has_property_on_prototype(cx, proxy, id, &mut has_on_proto) {
return false;
}
if !has_on_proto {
%s
}
}
""" % CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues), 8).define()
else:
namedGet = ""
@ -4952,12 +4959,20 @@ class CGDOMJSProxyHandler_hasOwn(CGAbstractExternMethod):
namedGetter = self.descriptor.operations['NamedGetter']
if namedGetter:
named = ("if RUST_JSID_IS_STRING(id) && !has_property_on_prototype(cx, proxy, id) {\n" +
CGIndenter(CGProxyNamedGetter(self.descriptor)).define() + "\n" +
" *bp = found;\n"
" return true;\n"
"}\n" +
"\n")
named = """\
if RUST_JSID_IS_STRING(id) {
let mut has_on_proto = false;
if !has_property_on_prototype(cx, proxy, id, &mut has_on_proto) {
return false;
}
if !has_on_proto {
%s
*bp = found;
return true;
}
}
""" % CGIndenter(CGProxyNamedGetter(self.descriptor), 8).define()
else:
named = ""