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Implement [Unscopable] (fixes #11583)

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This commit is contained in:
Anthony Ramine 2016-06-05 03:42:33 +02:00
parent 0f1f99a4bf
commit 3529803975
8 changed files with 96 additions and 35 deletions
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48
components/script/dom/bindings/interface.rs
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@ -9,16 +9,18 @@ use dom::bindings::conversions::get_dom_class;
use dom::bindings::guard::Guard;
use dom::bindings::utils::get_proto_or_iface_array;
use js::error::throw_type_error;
use js::glue::UncheckedUnwrapObject;
use js::glue::{RUST_SYMBOL_TO_JSID, UncheckedUnwrapObject};
use js::jsapi::{Class, ClassExtension, ClassSpec, GetGlobalForObjectCrossCompartment};
use js::jsapi::{HandleObject, HandleValue, JSClass, JSContext, JSFunctionSpec};
use js::jsapi::{JSNative, JSFUN_CONSTRUCTOR, JSPROP_ENUMERATE, JSPROP_PERMANENT, JSPROP_READONLY};
use js::jsapi::{JSPROP_RESOLVING, JSPropertySpec, JSString, JS_AtomizeAndPinString};
use js::jsapi::{JS_DefineProperty, JS_DefineProperty1, JS_DefineProperty2, JS_DefineProperty4};
use js::jsapi::{GetWellKnownSymbol, HandleObject, HandleValue, JSClass, JSContext};
use js::jsapi::{JSFunctionSpec, JSNative, JSFUN_CONSTRUCTOR, JSPROP_ENUMERATE};
use js::jsapi::{JSPROP_PERMANENT, JSPROP_READONLY, JSPROP_RESOLVING, JSPropertySpec};
use js::jsapi::{JSString, JS_AtomizeAndPinString, JS_DefineProperty, JS_DefineProperty1};
use js::jsapi::{JS_DefineProperty2, JS_DefineProperty4, JS_DefinePropertyById3};
use js::jsapi::{JS_GetClass, JS_GetFunctionObject, JS_GetPrototype, JS_LinkConstructorAndPrototype};
use js::jsapi::{JS_NewFunction, JS_NewObject, JS_NewObjectWithUniqueType, JS_NewStringCopyN};
use js::jsapi::{MutableHandleObject, MutableHandleValue, ObjectOps, RootedObject, RootedString};
use js::jsapi::{RootedValue, Value};
use js::jsapi::{JS_NewFunction, JS_NewObject, JS_NewObjectWithUniqueType};
use js::jsapi::{JS_NewPlainObject, JS_NewStringCopyN, MutableHandleObject};
use js::jsapi::{MutableHandleValue, ObjectOps, RootedId, RootedObject};
use js::jsapi::{RootedString, RootedValue, SymbolCode, TrueHandleValue, Value};
use js::jsval::{BooleanValue, DoubleValue, Int32Value, JSVal, NullValue, UInt32Value};
use js::rust::{define_methods, define_properties};
use libc;
@ -236,8 +238,22 @@ pub unsafe fn create_interface_prototype_object(
regular_methods: &[Guard<&'static [JSFunctionSpec]>],
regular_properties: &[Guard<&'static [JSPropertySpec]>],
constants: &[Guard<&[ConstantSpec]>],
unscopable_names: &[&[u8]],
rval: MutableHandleObject) {
create_object(cx, proto, class, regular_methods, regular_properties, constants, rval);
if !unscopable_names.is_empty() {
let mut unscopable_obj = RootedObject::new(cx, ptr::null_mut());
create_unscopable_object(cx, unscopable_names, unscopable_obj.handle_mut());
let unscopable_symbol = GetWellKnownSymbol(cx, SymbolCode::unscopables);
assert!(!unscopable_symbol.is_null());
let unscopable_id = RootedId::new(cx, RUST_SYMBOL_TO_JSID(unscopable_symbol));
assert!(JS_DefinePropertyById3(
cx, rval.handle(), unscopable_id.handle(), unscopable_obj.handle(),
JSPROP_READONLY, None, None))
}
}
/// Create and define the interface object of a non-callback interface.
@ -375,6 +391,22 @@ unsafe fn create_object(
}
}
unsafe fn create_unscopable_object(
cx: *mut JSContext,
names: &[&[u8]],
rval: MutableHandleObject) {
assert!(!names.is_empty());
assert!(rval.is_null());
rval.set(JS_NewPlainObject(cx));
assert!(!rval.ptr.is_null());
for &name in names {
assert!(*name.last().unwrap() == b'\0');
assert!(JS_DefineProperty(
cx, rval.handle(), name.as_ptr() as *const libc::c_char, TrueHandleValue,
JSPROP_READONLY, None, None));
}
}
/// Conditionally define methods on an object.
pub unsafe fn define_guarded_methods(
cx: *mut JSContext,