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Root any
members in dictionaries
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parent
760e0a5b57
commit
64dc0c4b9e
4 changed files with 39 additions and 19 deletions
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@ -1084,13 +1084,7 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
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assert isMember != "Union"
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if isMember == "Dictionary" or isAutoRooted:
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# TODO: Need to properly root dictionaries
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# https://github.com/servo/servo/issues/6381
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if isMember == "Dictionary":
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declType = CGGeneric("Heap<JSVal>")
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# AutoRooter can trace properly inner raw GC thing pointers
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else:
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declType = CGGeneric("JSVal")
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templateBody = "${val}.get()"
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if defaultValue is None:
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default = None
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@ -1100,7 +1094,17 @@ def getJSToNativeConversionInfo(type, descriptorProvider, failureCode=None,
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default = "UndefinedValue()"
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else:
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raise TypeError("Can't handle non-null, non-undefined default value here")
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return handleOptional("${val}.get()", declType, default)
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if isMember == "Dictionary":
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templateBody = "RootedTraceableBox::from_box(Heap::boxed(%s))" % templateBody
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if default is not None:
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default = "RootedTraceableBox::from_box(Heap::boxed(%s))" % default
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declType = CGGeneric("RootedTraceableBox<Heap<JSVal>>")
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# AutoRooter can trace properly inner raw GC thing pointers
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else:
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declType = CGGeneric("JSVal")
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return handleOptional(templateBody, declType, default)
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declType = CGGeneric("HandleValue")
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@ -6165,9 +6169,6 @@ class CGDictionary(CGThing):
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conversion = self.getMemberConversion(memberInfo, member.type)
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if isInitial:
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return CGGeneric("%s: %s,\n" % (name, conversion.define()))
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# TODO: Root Heap<JSVal> using RootedTraceableBox
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if member.type.isAny():
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return CGGeneric("dictionary.%s.set(%s);\n" % (name, conversion.define()))
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return CGGeneric("dictionary.%s = %s;\n" % (name, conversion.define()))
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def varInsert(varName, dictionaryName):
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@ -48,7 +48,7 @@ use js::error::throw_type_error;
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use js::glue::{GetProxyPrivate, IsWrapper};
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use js::glue::{RUST_JSID_IS_INT, RUST_JSID_TO_INT};
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use js::glue::{RUST_JSID_IS_STRING, RUST_JSID_TO_STRING, UnwrapObject};
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use js::jsapi::{HandleId, HandleObject, HandleValue, JSContext, JSObject, JSString};
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use js::jsapi::{HandleId, HandleObject, HandleValue, Heap, JSContext, JSObject, JSString};
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use js::jsapi::{JS_GetLatin1StringCharsAndLength, JS_GetProperty, JS_GetReservedSlot};
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use js::jsapi::{JS_GetTwoByteStringCharsAndLength, JS_IsArrayObject, JS_IsExceptionPending};
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use js::jsapi::{JS_NewStringCopyN, JS_StringHasLatin1Chars, MutableHandleValue};
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@ -125,6 +125,25 @@ impl<T: ToJSValConvertible + JSTraceable> ToJSValConvertible for RootedTraceable
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}
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}
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impl<T> FromJSValConvertible for RootedTraceableBox<Heap<T>>
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where
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T: FromJSValConvertible + js::rust::GCMethods + Copy,
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Heap<T>: JSTraceable + Default
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{
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type Config = T::Config;
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unsafe fn from_jsval(cx: *mut JSContext,
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value: HandleValue,
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config: Self::Config)
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-> Result<ConversionResult<Self>, ()> {
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T::from_jsval(cx, value, config).map(|result| match result {
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ConversionResult::Success(inner) =>
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ConversionResult::Success(RootedTraceableBox::from_box(Heap::boxed(inner))),
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ConversionResult::Failure(msg) => ConversionResult::Failure(msg),
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})
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}
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}
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/// Convert `id` to a `DOMString`. Returns `None` if `id` is not a string or
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/// integer.
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///
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@ -11,7 +11,7 @@ use dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyOrValu
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use dom::bindings::error::Fallible;
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use dom::bindings::reflector::{DomObject, Reflector, reflect_dom_object};
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use dom::bindings::root::{Dom, DomRoot};
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use dom::bindings::trace::JSTraceable;
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use dom::bindings::trace::{JSTraceable, RootedTraceableBox};
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use dom::globalscope::GlobalScope;
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use dom_struct::dom_struct;
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use js::conversions::ToJSValConvertible;
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@ -131,10 +131,10 @@ fn key_and_value_return(cx: *mut JSContext,
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value: HandleValue) -> Fallible<()> {
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let mut dict = unsafe { IterableKeyAndValueResult::empty(cx) };
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dict.done = false;
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let values = vec![Heap::default(), Heap::default()];
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values[0].set(key.get());
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values[1].set(value.get());
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dict.value = Some(values);
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dict.value = Some(vec![key, value]
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.into_iter()
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.map(|handle| RootedTraceableBox::from_box(Heap::boxed(handle.get())))
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.collect());
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rooted!(in(cx) let mut dict_value = UndefinedValue());
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unsafe {
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dict.to_jsval(cx, dict_value.handle_mut());
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@ -348,12 +348,12 @@ impl TestBindingMethods for TestBinding {
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fn ReceiveNullableSequence(&self) -> Option<Vec<i32>> { Some(vec![1]) }
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fn ReceiveTestDictionaryWithSuccessOnKeyword(&self) -> RootedTraceableBox<TestDictionary> {
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RootedTraceableBox::new(TestDictionary {
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anyValue: Heap::default(),
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anyValue: RootedTraceableBox::new(Heap::default()),
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booleanValue: None,
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byteValue: None,
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dict: RootedTraceableBox::new(TestDictionaryDefaults {
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UnrestrictedDoubleValue: 0.0,
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anyValue: Heap::default(),
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anyValue: RootedTraceableBox::new(Heap::default()),
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booleanValue: false,
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bytestringValue: ByteString::new(vec![]),
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byteValue: 0,
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