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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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2
Userland/Libraries/LibJS/Parser.h
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@ -316,8 +316,10 @@ private:
bool allow_super_property_lookup { false };
bool allow_super_constructor_call { false };
bool in_function_context { false };
bool initiated_by_eval { false };
bool in_eval_function_context { false }; // This controls if we allow new.target or not. Note that eval("return") is not allowed, so we have to have a separate state variable for eval.
bool in_formal_parameter_context { false };
bool in_catch_parameter_context { false };
bool in_generator_function_context { false };
bool await_expression_is_valid { false };
bool in_arrow_function_context { false };