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86b85aa68b
Builtins are functions that can be detected during bytecode generation and enable fast-paths in the JIT.
26 lines
848 B
C++
26 lines
848 B
C++
/*
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* Copyright (c) 2023, Simon Wanner <simon@skyrising.xyz>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/AST.h>
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#include <LibJS/Bytecode/Builtins.h>
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namespace JS::Bytecode {
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Optional<Builtin> get_builtin(MemberExpression const& expression)
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{
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if (expression.is_computed() || !expression.object().is_identifier() || !expression.property().is_identifier())
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return {};
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auto base_name = static_cast<Identifier const&>(expression.object()).string();
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auto property_name = static_cast<Identifier const&>(expression.property()).string();
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#define CHECK_MEMBER_BUILTIN(name, snake_case_name, base, property, ...) \
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if (base_name == #base##sv && property_name == #property##sv) \
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return Builtin::name;
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JS_ENUMERATE_BUILTINS(CHECK_MEMBER_BUILTIN)
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#undef CHECK_MEMBER_BUILTIN
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return {};
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}
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}
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