mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-30 00:31:14 +00:00
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:
parent
b650d11dd3
commit
667bba2410
Notes:
sideshowbarker
2024-07-18 11:30:43 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/667bba2410e
|
@ -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 };
|
||||
};
|
||||
|
||||
}
|
||||
|
|
|
@ -61,6 +61,13 @@ ScriptFunction::ScriptFunction(GlobalObject& global_object, const FlyString& nam
|
|||
, m_is_strict(is_strict)
|
||||
, m_is_arrow_function(is_arrow_function)
|
||||
{
|
||||
// NOTE: This logic is from OrdinaryFunctionCreate, https://tc39.es/ecma262/#sec-ordinaryfunctioncreate
|
||||
if (m_is_arrow_function)
|
||||
set_this_mode(ThisMode::Lexical);
|
||||
else if (m_is_strict)
|
||||
set_this_mode(ThisMode::Strict);
|
||||
else
|
||||
set_this_mode(ThisMode::Global);
|
||||
}
|
||||
|
||||
void ScriptFunction::initialize(GlobalObject& global_object)
|
||||
|
|
Loading…
Reference in a new issue