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LibJS: Preserve information about local variables declaration kind

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This is required for upcoming change where we want to emit ThrowIfTDZ
for assignment expressions only for lexical declarations.
This commit is contained in:
Aliaksandr Kalenik 2025-05-05 21:53:19 +03:00 • committed by Andreas Kling
parent 2774068ca0
commit db480b1f0c
Notes: github-actions[bot] 2025-05-06 10:07:32 +00:00
11 changed files with 83 additions and 40 deletions
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10
Libraries/LibJS/Runtime/ECMAScriptFunctionObject.h
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@ -46,7 +46,7 @@ public:
bool strict,
bool is_arrow_function,
FunctionParsingInsights const&,
Vector<FlyString> local_variables_names);
Vector<LocalVariable> local_variables_names);
RefPtr<FunctionParameters const> m_formal_parameters; // [[FormalParameters]]
RefPtr<Statement const> m_ecmascript_code; // [[ECMAScriptCode]]
@ -54,7 +54,7 @@ public:
FlyString m_name;
ByteString m_source_text; // [[SourceText]]
Vector<FlyString> m_local_variables_names;
Vector<LocalVariable> m_local_variables_names;
i32 m_function_length { 0 };
@ -103,8 +103,8 @@ class ECMAScriptFunctionObject final : public FunctionObject {
GC_DECLARE_ALLOCATOR(ECMAScriptFunctionObject);
public:
static GC::Ref<ECMAScriptFunctionObject> create(Realm&, FlyString name, ByteString source_text, Statement const& ecmascript_code, NonnullRefPtr<FunctionParameters const> parameters, i32 function_length, Vector<FlyString> local_variables_names, Environment* parent_environment, PrivateEnvironment* private_environment, FunctionKind, bool is_strict, FunctionParsingInsights, bool is_arrow_function = false, Variant<PropertyKey, PrivateName, Empty> class_field_initializer_name = {});
static GC::Ref<ECMAScriptFunctionObject> create(Realm&, FlyString name, Object& prototype, ByteString source_text, Statement const& ecmascript_code, NonnullRefPtr<FunctionParameters const> parameters, i32 function_length, Vector<FlyString> local_variables_names, Environment* parent_environment, PrivateEnvironment* private_environment, FunctionKind, bool is_strict, FunctionParsingInsights, bool is_arrow_function = false, Variant<PropertyKey, PrivateName, Empty> class_field_initializer_name = {});
static GC::Ref<ECMAScriptFunctionObject> create(Realm&, FlyString name, ByteString source_text, Statement const& ecmascript_code, NonnullRefPtr<FunctionParameters const> parameters, i32 function_length, Vector<LocalVariable> local_variables_names, Environment* parent_environment, PrivateEnvironment* private_environment, FunctionKind, bool is_strict, FunctionParsingInsights, bool is_arrow_function = false, Variant<PropertyKey, PrivateName, Empty> class_field_initializer_name = {});
static GC::Ref<ECMAScriptFunctionObject> create(Realm&, FlyString name, Object& prototype, ByteString source_text, Statement const& ecmascript_code, NonnullRefPtr<FunctionParameters const> parameters, i32 function_length, Vector<LocalVariable> local_variables_names, Environment* parent_environment, PrivateEnvironment* private_environment, FunctionKind, bool is_strict, FunctionParsingInsights, bool is_arrow_function = false, Variant<PropertyKey, PrivateName, Empty> class_field_initializer_name = {});
[[nodiscard]] static GC::Ref<ECMAScriptFunctionObject> create_from_function_node(
FunctionNode const&,
@ -167,7 +167,7 @@ public:
// Equivalent to absence of [[Construct]]
virtual bool has_constructor() const override { return kind() == FunctionKind::Normal && !shared_data().m_is_arrow_function; }
virtual Vector<FlyString> const& local_variables_names() const override { return shared_data().m_local_variables_names; }
virtual Vector<LocalVariable> const& local_variables_names() const override { return shared_data().m_local_variables_names; }
FunctionKind kind() const { return shared_data().m_kind; }