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LibJS: Move intrinsics to the realm
Intrinsics, i.e. mostly constructor and prototype objects, but also things like empty and new object shape now live on a new heap-allocated JS::Intrinsics object, thus completing the long journey of taking all the magic away from the global object. This represents the Realm's [[Intrinsics]] slot in the spec and matches its existing [[GlobalObject]] / [[GlobalEnv]] slots in terms of architecture. In the majority of cases it should now be possibly to fully allocate a regular object without the global object existing, and in fact that's what we do now - the realm is allocated before the global object, and the intrinsics between both :^)
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217 changed files with 1305 additions and 1039 deletions
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@ -20,7 +20,7 @@
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namespace JS {
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FunctionConstructor::FunctionConstructor(Realm& realm)
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: NativeFunction(vm().names.Function.as_string(), *realm.global_object().function_prototype())
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: NativeFunction(vm().names.Function.as_string(), *realm.intrinsics().function_prototype())
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{
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}
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@ -30,7 +30,7 @@ void FunctionConstructor::initialize(Realm& realm)
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NativeFunction::initialize(realm);
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// 20.2.2.2 Function.prototype, https://tc39.es/ecma262/#sec-function.prototype
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define_direct_property(vm.names.prototype, realm.global_object().function_prototype(), 0);
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define_direct_property(vm.names.prototype, realm.intrinsics().function_prototype(), 0);
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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}
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@ -49,7 +49,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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new_target = &constructor;
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StringView prefix;
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Object* (GlobalObject::*fallback_prototype)() = nullptr;
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Object* (Intrinsics::*fallback_prototype)() = nullptr;
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switch (kind) {
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// 4. If kind is normal, then
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@ -62,7 +62,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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// d. Let parameterSym be the grammar symbol FormalParameters[~Yield, ~Await].
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// e. Let fallbackProto be "%Function.prototype%".
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fallback_prototype = &GlobalObject::function_prototype;
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fallback_prototype = &Intrinsics::function_prototype;
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break;
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// 5. Else if kind is generator, then
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@ -75,7 +75,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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// d. Let parameterSym be the grammar symbol FormalParameters[+Yield, ~Await].
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// e. Let fallbackProto be "%GeneratorFunction.prototype%".
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fallback_prototype = &GlobalObject::generator_function_prototype;
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fallback_prototype = &Intrinsics::generator_function_prototype;
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break;
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// 6. Else if kind is async, then
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@ -88,7 +88,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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// d. Let parameterSym be the grammar symbol FormalParameters[~Yield, +Await].
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// e. Let fallbackProto be "%AsyncFunction.prototype%".
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fallback_prototype = &GlobalObject::async_function_prototype;
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fallback_prototype = &Intrinsics::async_function_prototype;
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break;
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// 7. Else,
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@ -103,7 +103,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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// e. Let parameterSym be the grammar symbol FormalParameters[+Yield, +Await].
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// f. Let fallbackProto be "%AsyncGeneratorFunction.prototype%".
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fallback_prototype = &GlobalObject::async_generator_function_prototype;
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fallback_prototype = &Intrinsics::async_generator_function_prototype;
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break;
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default:
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@ -232,7 +232,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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// 30. If kind is generator, then
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if (kind == FunctionKind::Generator) {
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// a. Let prototype be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
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prototype = Object::create(realm, realm.global_object().generator_function_prototype_prototype());
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prototype = Object::create(realm, realm.intrinsics().generator_function_prototype_prototype());
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// b. Perform ! DefinePropertyOrThrow(F, "prototype", PropertyDescriptor { [[Value]]: prototype, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false }).
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function->define_direct_property(vm.names.prototype, prototype, Attribute::Writable);
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@ -240,7 +240,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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// 31. Else if kind is asyncGenerator, then
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else if (kind == FunctionKind::AsyncGenerator) {
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// a. Let prototype be OrdinaryObjectCreate(%AsyncGeneratorFunction.prototype.prototype%).
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prototype = Object::create(realm, realm.global_object().async_generator_function_prototype_prototype());
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prototype = Object::create(realm, realm.intrinsics().async_generator_function_prototype_prototype());
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// b. Perform ! DefinePropertyOrThrow(F, "prototype", PropertyDescriptor { [[Value]]: prototype, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false }).
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function->define_direct_property(vm.names.prototype, prototype, Attribute::Writable);
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@ -248,7 +248,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
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// 32. Else if kind is normal, perform MakeConstructor(F).
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else if (kind == FunctionKind::Normal) {
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// FIXME: Implement MakeConstructor
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prototype = Object::create(realm, realm.global_object().object_prototype());
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prototype = Object::create(realm, realm.intrinsics().object_prototype());
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prototype->define_direct_property(vm.names.constructor, function, Attribute::Writable | Attribute::Configurable);
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function->define_direct_property(vm.names.prototype, prototype, Attribute::Writable);
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}
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