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LibJS: Identify global variables during parsing

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Identifying global variables during parsing will make it possible to
generate special optimized instruction to access them in upcoming
changes.
This commit is contained in:
Aliaksandr Kalenik 2023-07-12 04:02:27 +02:00 • committed by Andreas Kling
parent 73f1c7a030
commit b0a533dbc0
5 changed files with 75 additions and 20 deletions
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4
Userland/Libraries/LibJS/AST.h
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@ -684,6 +684,9 @@ public:
}
void set_local_variable_index(size_t index) { m_local_variable_index = index; }
bool is_global() const { return m_is_global; }
void set_is_global() { m_is_global = true; }
virtual Completion execute(Interpreter&) const override;
virtual void dump(int indent) const override;
virtual ThrowCompletionOr<Reference> to_reference(Interpreter&) const override;
@ -696,6 +699,7 @@ private:
mutable EnvironmentCoordinate m_cached_environment_coordinate;
Optional<size_t> m_local_variable_index;
bool m_is_global { false };
};
struct FunctionParameter {