AbstractOperations.h 1.9 KB

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  1. /*
  2. * Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <AK/Forward.h>
  8. #include <LibJS/Forward.h>
  9. #include <LibJS/Runtime/GlobalObject.h>
  10. #include <LibJS/Runtime/Value.h>
  11. namespace JS {
  12. DeclarativeEnvironmentRecord* new_declarative_environment(EnvironmentRecord&);
  13. ObjectEnvironmentRecord* new_object_environment(Object&, bool is_with_environment, EnvironmentRecord*);
  14. EnvironmentRecord& get_this_environment(VM&);
  15. Object* get_super_constructor(VM&);
  16. Value require_object_coercible(GlobalObject&, Value);
  17. size_t length_of_array_like(GlobalObject&, Object const&);
  18. MarkedValueList create_list_from_array_like(GlobalObject&, Value, AK::Function<Result<void, ErrorType>(Value)> = {});
  19. Function* species_constructor(GlobalObject&, Object const&, Function& default_constructor);
  20. GlobalObject* get_function_realm(GlobalObject&, Function const&);
  21. Object* get_prototype_from_constructor(GlobalObject&, Function const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)());
  22. enum class CallerMode {
  23. Strict,
  24. NonStrict
  25. };
  26. enum class EvalMode {
  27. Direct,
  28. Indirect
  29. };
  30. Value perform_eval(Value, GlobalObject&, CallerMode, EvalMode);
  31. // 10.1.13 OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ), https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor
  32. template<typename T, typename... Args>
  33. T* ordinary_create_from_constructor(GlobalObject& global_object, Function const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)(), Args&&... args)
  34. {
  35. auto& vm = global_object.vm();
  36. auto* prototype = get_prototype_from_constructor(global_object, constructor, intrinsic_default_prototype);
  37. if (vm.exception())
  38. return nullptr;
  39. return global_object.heap().allocate<T>(global_object, forward<Args>(args)..., *prototype);
  40. }
  41. }