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49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/GlobalEnvironment.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Realm.h>
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#include <LibJS/Runtime/VM.h>
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namespace JS {
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// 9.3.1 CreateRealm ( ), https://tc39.es/ecma262/#sec-createrealm
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Realm* Realm::create(VM& vm)
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{
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return vm.heap().allocate_without_global_object<Realm>();
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}
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// 9.3.3 SetRealmGlobalObject ( realmRec, globalObj, thisValue ), https://tc39.es/ecma262/#sec-setrealmglobalobject
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void Realm::set_global_object(GlobalObject& global_object, Object* this_value)
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{
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// NOTE: Step 1 is not supported, the global object must be allocated elsewhere.
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// 2. Assert: Type(globalObj) is Object.
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// Non-standard
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global_object.set_associated_realm({}, *this);
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// 3. If thisValue is undefined, set thisValue to globalObj.
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if (!this_value)
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this_value = &global_object;
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// 4. Set realmRec.[[GlobalObject]] to globalObj.
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m_global_object = &global_object;
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// 5. Let newGlobalEnv be NewGlobalEnvironment(globalObj, thisValue).
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// 6. Set realmRec.[[GlobalEnv]] to newGlobalEnv.
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m_global_environment = global_object.heap().allocate_without_global_object<GlobalEnvironment>(global_object, *this_value);
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// 7. Return realmRec.
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}
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void Realm::visit_edges(Visitor& visitor)
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{
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visitor.visit(m_global_object);
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visitor.visit(m_global_environment);
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}
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}
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