mirror of
https://github.com/facebookarchive/prepack.git
synced 2024-08-18 02:50:34 +03:00
Add abstract support to Object.getOwnPropertySymbols (#2575)
Summary: Release notes: none Fixes https://github.com/facebook/prepack/issues/2574. This PR adds abstract value support to `Object.getOwnPropertySymbols` like we have done other internal methods (like `Object.keys` and `Array.from`) where we know the internal method creates an array with unknown numeric properties. Pull Request resolved: https://github.com/facebook/prepack/pull/2575 Differential Revision: D10114237 Pulled By: trueadm fbshipit-source-id: 07301147e2dff1ab370243a8dc9648745bbbbb96
This commit is contained in:
parent
0ef3c43563
commit
ed784d6899
@ -495,11 +495,29 @@ export default function(realm: Realm): NativeFunctionValue {
|
||||
});
|
||||
|
||||
// ECMA262 19.1.2.9
|
||||
if (!realm.isCompatibleWith(realm.MOBILE_JSC_VERSION) && !realm.isCompatibleWith("mobile"))
|
||||
func.defineNativeMethod("getOwnPropertySymbols", 1, (context, [O]) => {
|
||||
if (!realm.isCompatibleWith(realm.MOBILE_JSC_VERSION) && !realm.isCompatibleWith("mobile")) {
|
||||
let getOwnPropertySymbols = func.defineNativeMethod("getOwnPropertySymbols", 1, (context, [O]) => {
|
||||
if (O instanceof AbstractValue && realm.isInPureScope()) {
|
||||
let obj = O instanceof AbstractObjectValue ? O : To.ToObject(realm, O);
|
||||
|
||||
realm.callReportObjectGetOwnProperties(obj);
|
||||
return ArrayValue.createTemporalWithWidenedNumericProperty(
|
||||
realm,
|
||||
[getOwnPropertySymbols, obj],
|
||||
createOperationDescriptor("UNKNOWN_ARRAY_METHOD_CALL")
|
||||
);
|
||||
} else if (ArrayValue.isIntrinsicAndHasWidenedNumericProperty(O)) {
|
||||
realm.callReportObjectGetOwnProperties(O);
|
||||
return ArrayValue.createTemporalWithWidenedNumericProperty(
|
||||
realm,
|
||||
[getOwnPropertySymbols, O],
|
||||
createOperationDescriptor("UNKNOWN_ARRAY_METHOD_CALL")
|
||||
);
|
||||
}
|
||||
// Return ? GetOwnPropertyKeys(O, Symbol).
|
||||
return GetOwnPropertyKeys(realm, O, SymbolValue);
|
||||
});
|
||||
}
|
||||
|
||||
// ECMA262 19.1.2.10
|
||||
func.defineNativeMethod("getPrototypeOf", 1, (context, [O]) => {
|
||||
|
@ -365,7 +365,7 @@ export class Realm {
|
||||
modifiedProperties: void | PropertyBindings;
|
||||
createdObjects: void | CreatedObjects;
|
||||
createdObjectsTrackedForLeaks: void | CreatedObjects;
|
||||
reportObjectGetOwnProperties: void | (ObjectValue => void);
|
||||
reportObjectGetOwnProperties: void | ((ObjectValue | AbstractObjectValue) => void);
|
||||
reportSideEffectCallbacks: Set<
|
||||
(sideEffectType: SideEffectType, binding: void | Binding | PropertyBinding, expressionLocation: any) => void
|
||||
>;
|
||||
@ -1491,7 +1491,7 @@ export class Realm {
|
||||
return binding;
|
||||
}
|
||||
|
||||
callReportObjectGetOwnProperties(ob: ObjectValue): void {
|
||||
callReportObjectGetOwnProperties(ob: ObjectValue | AbstractObjectValue): void {
|
||||
if (this.reportObjectGetOwnProperties !== undefined) {
|
||||
this.reportObjectGetOwnProperties(ob);
|
||||
}
|
||||
|
@ -390,7 +390,7 @@ export class Functions {
|
||||
writtenObjects.add(key.object);
|
||||
});
|
||||
let oldReportObjectGetOwnProperties = this.realm.reportObjectGetOwnProperties;
|
||||
this.realm.reportObjectGetOwnProperties = (ob: ObjectValue) => {
|
||||
this.realm.reportObjectGetOwnProperties = (ob: ObjectValue | AbstractObjectValue) => {
|
||||
let location = this.realm.currentLocation;
|
||||
invariant(location);
|
||||
if (writtenObjects.has(ob) && !conflicts.has(location))
|
||||
|
40
test/serializer/optimizations/getOwnPropertySymbols.js
Normal file
40
test/serializer/optimizations/getOwnPropertySymbols.js
Normal file
@ -0,0 +1,40 @@
|
||||
function objectSpread(target) {
|
||||
for (var i = 1; i < arguments.length; i++) {
|
||||
var source = arguments[i] != null ? arguments[i] : {};
|
||||
var ownKeys = Object.keys(source);
|
||||
|
||||
if (typeof Object.getOwnPropertySymbols === "function") {
|
||||
ownKeys = ownKeys.concat(
|
||||
Object.getOwnPropertySymbols(source).filter(function(sym) {
|
||||
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
|
||||
})
|
||||
);
|
||||
}
|
||||
|
||||
ownKeys.forEach(function(key) {
|
||||
babelHelpers.defineProperty(target, key, source[key]);
|
||||
});
|
||||
}
|
||||
|
||||
return target;
|
||||
}
|
||||
|
||||
function fn(baseHeaders, contentEncoding, userAgent) {
|
||||
var headers = objectSpread({}, baseHeaders);
|
||||
|
||||
if (contentEncoding) {
|
||||
headers["Content-Encoding"] = contentEncoding;
|
||||
}
|
||||
|
||||
if (userAgent) {
|
||||
headers["User-Agent"] = userAgent;
|
||||
}
|
||||
|
||||
return headers;
|
||||
}
|
||||
|
||||
global.__optimize && __optimize(fn);
|
||||
|
||||
inspect = function() {
|
||||
return JSON.stringify(fn({ a: 1, b: 2 }, "123", "456"));
|
||||
};
|
Loading…
Reference in New Issue
Block a user