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LibJS: Don't use Optional<Value> for bound |this| values

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Just use a plain Value since it already has an empty state.
This commit is contained in:
Andreas Kling 2020-04-29 12:41:58 +02:00
parent 698652a548
commit a38658dc88
Notes: sideshowbarker 2024-07-19 07:11:44 +09:00
2 changed files with 8 additions and 12 deletions
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14
Libraries/LibJS/Runtime/Function.cpp
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@ -36,7 +36,7 @@ Function::Function(Object& prototype)
{
}
Function::Function(Object& prototype, Optional<Value> bound_this, Vector<Value> bound_arguments)
Function::Function(Object& prototype, Value bound_this, Vector<Value> bound_arguments)
: Object(&prototype)
, m_bound_this(bound_this)
, m_bound_arguments(move(bound_arguments))
@ -48,11 +48,9 @@ BoundFunction* Function::bind(Value bound_this_value, Vector<Value> arguments)
Function& target_function = is_bound_function() ? static_cast<BoundFunction&>(*this).target_function() : *this;
auto bound_this_object
= [bound_this_value, this]() -> Value {
if (bound_this().has_value()) {
return bound_this().value();
}
auto bound_this_object = [bound_this_value, this]() -> Value {
if (!m_bound_this.is_empty())
return m_bound_this;
switch (bound_this_value.type()) {
case Value::Type::Undefined:
case Value::Type::Null:
@ -91,9 +89,7 @@ void Function::visit_children(Visitor& visitor)
{
Object::visit_children(visitor);
if (m_bound_this.has_value()) {
visitor.visit(m_bound_this.value());
}
visitor.visit(m_bound_this);
for (auto argument : m_bound_arguments) {
visitor.visit(argument);

6
Libraries/LibJS/Runtime/Function.h
View file

@ -44,7 +44,7 @@ public:
BoundFunction* bind(Value bound_this_value, Vector<Value> arguments);
Optional<Value> bound_this() const
Value bound_this() const
{
return m_bound_this;
}
@ -56,12 +56,12 @@ public:
protected:
explicit Function(Object& prototype);
explicit Function(Object& prototype, Optional<Value> bound_this, Vector<Value> bound_arguments);
explicit Function(Object& prototype, Value bound_this, Vector<Value> bound_arguments);
virtual const char* class_name() const override { return "Function"; }
private:
virtual bool is_function() const final { return true; }
Optional<Value> m_bound_this;
Value m_bound_this;
Vector<Value> m_bound_arguments;
};