681787de76
This commit adds support for the most bare bones version of async functions, support for async generator functions, async arrow functions and await expressions are TODO.
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2020-2021, 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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#pragma once
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#include <AK/FlyString.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Runtime/MarkedValueList.h>
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#include <LibJS/Runtime/PrivateEnvironment.h>
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#include <LibJS/Runtime/Value.h>
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namespace JS {
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// 9.4 Execution Contexts, https://tc39.es/ecma262/#sec-execution-contexts
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struct ExecutionContext {
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explicit ExecutionContext(Heap& heap)
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: arguments(heap)
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{
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}
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[[nodiscard]] ExecutionContext copy() const
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{
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ExecutionContext copy { arguments.copy() };
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copy.function = function;
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copy.realm = realm;
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copy.lexical_environment = lexical_environment;
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copy.variable_environment = variable_environment;
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copy.private_environment = private_environment;
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copy.current_node = current_node;
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copy.function_name = function_name;
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copy.this_value = this_value;
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copy.is_strict_mode = is_strict_mode;
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return copy;
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}
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private:
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explicit ExecutionContext(MarkedValueList existing_arguments)
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: arguments(move(existing_arguments))
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{
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}
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public:
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FunctionObject* function { nullptr }; // [[Function]]
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Realm* realm { nullptr }; // [[Realm]]
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Environment* lexical_environment { nullptr }; // [[LexicalEnvironment]]
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Environment* variable_environment { nullptr }; // [[VariableEnvironment]]
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PrivateEnvironment* private_environment { nullptr }; // [[PrivateEnvironment]]
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ASTNode const* current_node { nullptr };
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FlyString function_name;
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Value this_value;
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MarkedValueList arguments;
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bool is_strict_mode { false };
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};
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}
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