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LibJS/Bytecode: Simplify Bytecode::Interpreter lifetime model
The JS::VM now owns the one Bytecode::Interpreter. We no longer have multiple bytecode interpreters, and there is no concept of a "current" bytecode interpreter. If you ask for VM::bytecode_interpreter_if_exists(), it will return null if we're not running the program in "bytecode enabled" mode. If you ask for VM::bytecode_interpreter(), it will return a bytecode interpreter in all modes. This is used for situations where even the AST interpreter switches to bytecode mode (generators, etc.)
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15 changed files with 117 additions and 106 deletions
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@ -39,11 +39,14 @@ public:
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};
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static ErrorOr<NonnullRefPtr<VM>> create(OwnPtr<CustomData> = {});
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~VM() = default;
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~VM();
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Heap& heap() { return m_heap; }
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Heap const& heap() const { return m_heap; }
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Bytecode::Interpreter& bytecode_interpreter();
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Bytecode::Interpreter* bytecode_interpreter_if_exists();
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Interpreter& interpreter();
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Interpreter* interpreter_if_exists();
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@ -332,6 +335,8 @@ private:
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u32 m_execution_generation { 0 };
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OwnPtr<CustomData> m_custom_data;
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OwnPtr<Bytecode::Interpreter> m_bytecode_interpreter;
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};
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ALWAYS_INLINE Heap& Cell::heap() const
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