diff options
| -rw-r--r-- | js/src/vm/SelfHosting.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/js/src/vm/SelfHosting.cpp b/js/src/vm/SelfHosting.cpp index ffd707b14..e5d97c768 100644 --- a/js/src/vm/SelfHosting.cpp +++ b/js/src/vm/SelfHosting.cpp @@ -27,6 +27,7 @@ #include "builtin/MapObject.h" #include "builtin/ModuleObject.h" #include "builtin/Object.h" +#include "builtin/Promise.h" #include "builtin/Reflect.h" #include "builtin/SelfHostingDefines.h" #include "builtin/SIMD.h" @@ -2135,6 +2136,105 @@ intrinsic_PromiseResolve(JSContext* cx, unsigned argc, Value* vp) return true; } +static bool +intrinsic_CreatePendingPromise(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() == 0); + RootedObject promise(cx, PromiseObject::createSkippingExecutor(cx)); + if (!promise) + return false; + args.rval().setObject(*promise); + return true; +} + +static bool +intrinsic_CreatePromiseResolvedWith(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() == 1); + RootedObject promise(cx, PromiseObject::unforgeableResolve(cx, args[0])); + if (!promise) + return false; + args.rval().setObject(*promise); + return true; +} + +static bool +intrinsic_CreatePromiseRejectedWith(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() == 1); + RootedObject promise(cx, PromiseObject::unforgeableReject(cx, args[0])); + if (!promise) + return false; + args.rval().setObject(*promise); + return true; +} + +static bool +intrinsic_ResolvePromise(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() == 2); + Rooted<PromiseObject*> promise(cx, &args[0].toObject().as<PromiseObject>()); + if (!PromiseObject::resolve(cx, promise, args[1])) + return false; + args.rval().setUndefined(); + return true; +} + +static bool +intrinsic_RejectPromise(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() == 2); + Rooted<PromiseObject*> promise(cx, &args[0].toObject().as<PromiseObject>()); + if (!PromiseObject::reject(cx, promise, args[1])) + return false; + args.rval().setUndefined(); + return true; +} + +static bool +intrinsic_CallOriginalPromiseThen(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() >= 2); + + RootedObject promise(cx, &args[0].toObject()); + Value val = args[1]; + RootedObject onResolvedObj(cx, val.isUndefined() ? nullptr : val.toObjectOrNull()); + val = args.get(2); + RootedObject onRejectedObj(cx, val.isUndefined() ? nullptr : val.toObjectOrNull()); + + RootedObject resultPromise(cx, JS::CallOriginalPromiseThen(cx, promise, onResolvedObj, + onRejectedObj)); + if (!resultPromise) + return false; + args.rval().setObject(*resultPromise); + return true; +} + +static bool +intrinsic_AddPromiseReactions(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() >= 2); + + RootedObject promise(cx, &args[0].toObject()); + Value val = args[1]; + RootedObject onResolvedObj(cx, val.isUndefined() ? nullptr : val.toObjectOrNull()); + val = args.get(2); + RootedObject onRejectedObj(cx, val.isUndefined() ? nullptr : val.toObjectOrNull()); + + bool result = JS::AddPromiseReactions(cx, promise, onResolvedObj, onRejectedObj); + if (!result) + return false; + args.rval().setUndefined(); + return true; +} + // The self-hosting global isn't initialized with the normal set of builtins. // Instead, individual C++-implemented functions that're required by // self-hosted code are defined as global functions. Accessing these @@ -2536,6 +2636,14 @@ static const JSFunctionSpec intrinsic_functions[] = { JS_FN("AddModuleNamespaceBinding", intrinsic_AddModuleNamespaceBinding, 4, 0), JS_FN("ModuleNamespaceExports", intrinsic_ModuleNamespaceExports, 1, 0), + JS_FN("CreatePendingPromise", intrinsic_CreatePendingPromise, 0, 0), + JS_FN("CreatePromiseResolvedWith", intrinsic_CreatePromiseResolvedWith, 1, 0), + JS_FN("CreatePromiseRejectedWith", intrinsic_CreatePromiseRejectedWith, 1, 0), + JS_FN("ResolvePromise", intrinsic_ResolvePromise, 2, 0), + JS_FN("RejectPromise", intrinsic_RejectPromise, 2, 0), + JS_FN("AddPromiseReactions", intrinsic_AddPromiseReactions, 3, 0), + JS_FN("CallOriginalPromiseThen", intrinsic_CallOriginalPromiseThen, 3, 0), + JS_FN("IsPromiseObject", intrinsic_IsInstanceOfBuiltin<PromiseObject>, 1, 0), JS_FN("CallPromiseMethodIfWrapped", CallNonGenericSelfhostedMethod<Is<PromiseObject>>, 2, 0), JS_FN("PromiseResolve", intrinsic_PromiseResolve, 2, 0), |