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LibJS: Propagate "contains direct call to eval()" flag from parser

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We now propagate this flag to FunctionDeclaration, and then also into
ECMAScriptFunctionObject.

This will be used to disable optimizations that aren't safe in the
presence of direct eval().
This commit is contained in:
Andreas Kling 2021-10-08 12:43:38 +02:00
parent 12b283f32f
commit b2de563166
6 changed files with 37 additions and 22 deletions
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5
Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.h
View file

@ -28,9 +28,9 @@ public:
Global,
};
static ECMAScriptFunctionObject* create(GlobalObject&, FlyString name, Statement const& ecmascript_code, Vector<FunctionNode::Parameter> parameters, i32 m_function_length, Environment* parent_scope, FunctionKind, bool is_strict, bool might_need_arguments_object = true, bool is_arrow_function = false);
static ECMAScriptFunctionObject* create(GlobalObject&, FlyString name, Statement const& ecmascript_code, Vector<FunctionNode::Parameter> parameters, i32 m_function_length, Environment* parent_scope, FunctionKind, bool is_strict, bool might_need_arguments_object = true, bool contains_direct_call_to_eval = true, bool is_arrow_function = false);
ECMAScriptFunctionObject(FlyString name, Statement const& ecmascript_code, Vector<FunctionNode::Parameter> parameters, i32 m_function_length, Environment* parent_scope, Object& prototype, FunctionKind, bool is_strict, bool might_need_arguments_object, bool is_arrow_function);
ECMAScriptFunctionObject(FlyString name, Statement const& ecmascript_code, Vector<FunctionNode::Parameter> parameters, i32 m_function_length, Environment* parent_scope, Object& prototype, FunctionKind, bool is_strict, bool might_need_arguments_object, bool contains_direct_call_to_eval, bool is_arrow_function);
virtual void initialize(GlobalObject&) override;
virtual ~ECMAScriptFunctionObject();
@ -101,6 +101,7 @@ private:
i32 m_function_length { 0 };
FunctionKind m_kind { FunctionKind::Regular };
bool m_might_need_arguments_object { true };
bool m_contains_direct_call_to_eval { true };
bool m_is_arrow_function { false };
bool m_has_simple_parameter_list { false };
};