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LibJS: Remove the name prefix for wrapped functions

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This is a normative change in the ShadowRealm spec.

See: 4ca634a
This commit is contained in:
Linus Groh 2022-02-12 16:06:37 +00:00
parent 16aeb8b51d
commit c08a52dd97
4 changed files with 8 additions and 8 deletions
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6
Userland/Libraries/LibJS/Runtime/ShadowRealm.cpp
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@ -32,8 +32,8 @@ void ShadowRealm::visit_edges(Visitor& visitor)
visitor.visit(&m_shadow_realm);
}
// 3.1.2 CopyNameAndLength ( F: a function object, Target: a function object, prefix: a String, optional argCount: a Number, ), https://tc39.es/proposal-shadowrealm/#sec-copynameandlength
ThrowCompletionOr<void> copy_name_and_length(GlobalObject& global_object, FunctionObject& function, FunctionObject& target, StringView prefix, Optional<unsigned> arg_count)
// 3.1.2 CopyNameAndLength ( F: a function object, Target: a function object, optional prefix: a String, optional argCount: a Number, ), https://tc39.es/proposal-shadowrealm/#sec-copynameandlength
ThrowCompletionOr<void> copy_name_and_length(GlobalObject& global_object, FunctionObject& function, FunctionObject& target, Optional<StringView> prefix, Optional<unsigned> arg_count)
{
auto& vm = global_object.vm();
@ -87,7 +87,7 @@ ThrowCompletionOr<void> copy_name_and_length(GlobalObject& global_object, Functi
target_name = js_string(vm, String::empty());
// 8. Perform ! SetFunctionName(F, targetName, prefix).
function.set_function_name({ target_name.as_string().string() }, prefix);
function.set_function_name({ target_name.as_string().string() }, move(prefix));
return {};
}

2
Userland/Libraries/LibJS/Runtime/ShadowRealm.h
View file

@ -33,7 +33,7 @@ private:
ExecutionContext m_execution_context; // [[ExecutionContext]]
};
ThrowCompletionOr<void> copy_name_and_length(GlobalObject&, FunctionObject& function, FunctionObject& target, StringView prefix, Optional<unsigned> arg_count = {});
ThrowCompletionOr<void> copy_name_and_length(GlobalObject&, FunctionObject& function, FunctionObject& target, Optional<StringView> prefix = {}, Optional<unsigned> arg_count = {});
ThrowCompletionOr<Value> perform_shadow_realm_eval(GlobalObject&, StringView source_text, Realm& caller_realm, Realm& eval_realm);
ThrowCompletionOr<Value> shadow_realm_import_value(GlobalObject&, String specifier_string, String export_name_string, Realm& caller_realm, Realm& eval_realm, ExecutionContext& eval_context);
ThrowCompletionOr<Value> get_wrapped_value(GlobalObject&, Realm& caller_realm, Value);

4
Userland/Libraries/LibJS/Runtime/WrappedFunction.cpp
View file

@ -24,8 +24,8 @@ ThrowCompletionOr<WrappedFunction*> WrappedFunction::create(GlobalObject& global
auto& prototype = *caller_realm.global_object().function_prototype();
auto* wrapped = global_object.heap().allocate<WrappedFunction>(global_object, caller_realm, target, prototype);
// 7. Let result be CopyNameAndLength(wrapped, Target, "wrapped").
auto result = copy_name_and_length(global_object, *wrapped, target, "wrapped"sv);
// 7. Let result be CopyNameAndLength(wrapped, Target).
auto result = copy_name_and_length(global_object, *wrapped, target);
// 8. If result is an Abrupt Completion, throw a TypeError exception.
if (result.is_throw_completion())

4
Userland/Libraries/LibJS/Tests/builtins/ShadowRealm/ShadowRealm.prototype.evaluate.js
View file

@ -46,8 +46,8 @@ describe("normal behavior", () => {
expect(typeof wrappedFunction).toBe("function");
expect(Object.getPrototypeOf(wrappedFunction)).toBe(Function.prototype);
expect(shadowRealm.evaluate("(function () {})").name).toBe("wrapped ");
expect(shadowRealm.evaluate("(function foo() {})").name).toBe("wrapped foo");
expect(shadowRealm.evaluate("(function () {})").name).toBe("");
expect(shadowRealm.evaluate("(function foo() {})").name).toBe("foo");
expect(shadowRealm.evaluate("(function () {})")).toHaveLength(0);
expect(shadowRealm.evaluate("(function (foo, bar) {})")).toHaveLength(2);
expect(