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LibJS: Add the Function.[[ThisMode]] field

This is not a behavioral change in itself, just prep work for future
spec-compliance changes.
This commit is contained in:
Andreas Kling 2021-06-25 20:53:17 +02:00
parent b650d11dd3
commit 667bba2410
2 changed files with 18 additions and 0 deletions

View file

@ -47,6 +47,16 @@ public:
// Used as the outer environment when evaluating the code of the function.
virtual EnvironmentRecord* environment() { return nullptr; }
enum class ThisMode : u8 {
Lexical,
Strict,
Global,
};
// [[ThisMode]]
ThisMode this_mode() const { return m_this_mode; }
void set_this_mode(ThisMode this_mode) { m_this_mode = this_mode; }
protected:
virtual void visit_edges(Visitor&) override;
@ -59,6 +69,7 @@ private:
Vector<Value> m_bound_arguments;
Value m_home_object;
ConstructorKind m_constructor_kind = ConstructorKind::Base;
ThisMode m_this_mode { ThisMode::Global };
};
}