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LibJS: Use Identifier to represent FunctionParameter name

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Using identifier instead of string allows to store supplemental
information about whether it can be represented as local variable.
This commit is contained in:
Aliaksandr Kalenik 2023-07-06 17:49:38 +02:00 • committed by Andreas Kling
parent 2f1d6c0b9a
commit 2e81cc4cf7
5 changed files with 50 additions and 31 deletions
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13
Userland/Libraries/LibJS/AST.h
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@ -308,6 +308,7 @@ public:
ThrowCompletionOr<void> for_each_lexically_scoped_declaration(ThrowCompletionOrVoidCallback<Declaration const&>&& callback) const;
ThrowCompletionOr<void> for_each_lexically_declared_name(ThrowCompletionOrVoidCallback<DeprecatedFlyString const&>&& callback) const;
ThrowCompletionOr<void> for_each_lexically_declared_identifier(ThrowCompletionOrVoidCallback<Identifier const&>&& callback) const;
ThrowCompletionOr<void> for_each_var_declared_name(ThrowCompletionOrVoidCallback<DeprecatedFlyString const&>&& callback) const;
ThrowCompletionOr<void> for_each_var_declared_identifier(ThrowCompletionOrVoidCallback<Identifier const&>&& callback) const;
@ -665,12 +666,6 @@ struct BindingPattern : RefCounted<BindingPattern> {
Kind kind { Kind::Object };
};
struct FunctionParameter {
Variant<DeprecatedFlyString, NonnullRefPtr<BindingPattern const>> binding;
RefPtr<Expression const> default_value;
bool is_rest { false };
};
class Identifier final : public Expression {
public:
explicit Identifier(SourceRange source_range, DeprecatedFlyString string)
@ -703,6 +698,12 @@ private:
Optional<size_t> m_local_variable_index;
};
struct FunctionParameter {
Variant<NonnullRefPtr<Identifier const>, NonnullRefPtr<BindingPattern const>> binding;
RefPtr<Expression const> default_value;
bool is_rest { false };
};
class FunctionNode {
public:
StringView name() const { return m_name ? m_name->string().view() : ""sv; }