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LibJS: Remove GlobalObject from VM::throw_completion()

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This is a continuation of the previous five commits.

A first big step into the direction of no longer having to pass a realm
(or currently, a global object) trough layers upon layers of AOs!
Unlike the create() APIs we can safely assume that this is only ever
called when a running execution context and therefore current realm
exists. If not, you can always manually allocate the Error and put it in
a Completion :^)

In the spec, throw exceptions implicitly use the current realm's
intrinsics as well: https://tc39.es/ecma262/#sec-throw-an-exception
This commit is contained in:
Linus Groh 2022-08-16 20:33:17 +01:00
parent 5398dcc55e
commit f3117d46dc
165 changed files with 892 additions and 900 deletions
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44
Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
*
@ -356,7 +356,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
RefPtr<@cpp_type@> @cpp_name@;
if (!@js_name@@js_suffix@.is_nullish()) {
if (!@js_name@@js_suffix@.is_object())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
CallbackType callback_type(JS::make_handle(&@js_name@@js_suffix@.as_object()), HTML::incumbent_settings_object());
@cpp_name@ = adopt_ref(*new @cpp_type@(move(callback_type)));
@ -365,7 +365,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
} else {
scoped_generator.append(R"~~~(
if (!@js_name@@js_suffix@.is_object())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
CallbackType callback_type(JS::make_handle(&@js_name@@js_suffix@.as_object()), HTML::incumbent_settings_object());
auto @cpp_name@ = adopt_ref(*new @cpp_type@(move(callback_type)));
@ -376,7 +376,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
if (!optional) {
scoped_generator.append(R"~~~(
if (!@js_name@@js_suffix@.is_object() || !is<@wrapper_name@>(@js_name@@js_suffix@.as_object()))
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
auto& @cpp_name@ = static_cast<@wrapper_name@&>(@js_name@@js_suffix@.as_object()).impl();
)~~~");
@ -385,7 +385,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
Optional<NonnullRefPtr<@parameter.type.name@>> @cpp_name@;
if (!@js_name@@js_suffix@.is_undefined()) {
if (!@js_name@@js_suffix@.is_object() || !is<@wrapper_name@>(@js_name@@js_suffix@.as_object()))
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
@cpp_name@ = static_cast<@wrapper_name@&>(@js_name@@js_suffix@.as_object()).impl();
}
@ -396,7 +396,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
@parameter.type.name@* @cpp_name@ = nullptr;
if (!@js_name@@js_suffix@.is_nullish()) {
if (!@js_name@@js_suffix@.is_object() || !is<@wrapper_name@>(@js_name@@js_suffix@.as_object()))
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
@cpp_name@ = &static_cast<@wrapper_name@&>(@js_name@@js_suffix@.as_object()).impl();
}
@ -566,7 +566,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
} else if (parameter.type->name == "BufferSource") {
scoped_generator.append(R"~~~(
if (!@js_name@@js_suffix@.is_object() || !(is<JS::TypedArrayBase>(@js_name@@js_suffix@.as_object()) || is<JS::ArrayBuffer>(@js_name@@js_suffix@.as_object()) || is<JS::DataView>(@js_name@@js_suffix@.as_object())))
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
// TODO: Should we make this a Variant?
auto @cpp_name@ = JS::make_handle(&@js_name@@js_suffix@.as_object());
@ -642,7 +642,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
if constexpr (!IsSame<Attribute, RemoveConst<ParameterType>>) {
enum_generator.append(R"~~~(
@else@
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::InvalidEnumerationValue, @js_name.as_string@, "@parameter.type.name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::InvalidEnumerationValue, @js_name.as_string@, "@parameter.type.name@");
)~~~");
} else {
enum_generator.append(R"~~~(
@ -662,7 +662,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
auto dictionary_generator = scoped_generator.fork();
dictionary_generator.append(R"~~~(
if (!@js_name@@js_suffix@.is_nullish() && !@js_name@@js_suffix@.is_object())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "@parameter.type.name@");
@parameter.type.name@ @cpp_name@ {};
)~~~");
@ -683,7 +683,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
if (member.required) {
dictionary_generator.append(R"~~~(
if (@member_name@.is_undefined())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::MissingRequiredProperty, "@member_key@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::MissingRequiredProperty, "@member_key@");
)~~~");
}
@ -710,7 +710,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
if (!callback_function.is_legacy_treat_non_object_as_null) {
callback_function_generator.append(R"~~~(
if (!@js_name@@js_suffix@.is_function())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAFunction, @js_name@@js_suffix@.to_string_without_side_effects());
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAFunction, @js_name@@js_suffix@.to_string_without_side_effects());
)~~~");
}
// 2. Return the IDL callback function type value that represents a reference to the same object that V represents, with the incumbent settings object as the callback context.
@ -775,11 +775,11 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
sequence_generator.append(R"~~~(
if (!@js_name@@js_suffix@.is_object())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
auto* iterator_method@recursion_depth@ = TRY(@js_name@@js_suffix@.get_method(global_object, *vm.well_known_symbol_iterator()));
if (!iterator_method@recursion_depth@)
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotIterable, @js_name@@js_suffix@.to_string_without_side_effects());
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotIterable, @js_name@@js_suffix@.to_string_without_side_effects());
)~~~");
parameterized_type.generate_sequence_from_iterable(sequence_generator, String::formatted("{}{}", acceptable_cpp_name, optional ? "_non_optional" : ""), String::formatted("{}{}", js_name, js_suffix), String::formatted("iterator_method{}", recursion_depth), interface, recursion_depth + 1);
@ -824,7 +824,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
if (recursion_depth == 0) {
record_generator.append(R"~~~(
if (!@js_name@@js_suffix@.is_object())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObject, @js_name@@js_suffix@.to_string_without_side_effects());
auto& @js_name@@js_suffix@_object = @js_name@@js_suffix@.as_object();
)~~~");
@ -1234,7 +1234,7 @@ static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter
// 19. Throw a TypeError.
// FIXME: Replace the error message with something more descriptive.
union_generator.append(R"~~~(
return vm.throw_completion<JS::TypeError>(global_object, "No union types matched");
return vm.throw_completion<JS::TypeError>("No union types matched");
)~~~");
}
@ -1310,7 +1310,7 @@ static void generate_argument_count_check(SourceGenerator& generator, String con
argument_count_check_generator.append(R"~~~(
if (vm.argument_count() < @function.nargs@)
return vm.throw_completion<JS::TypeError>(global_object, @.bad_arg_count@, "@function.name@"@.arg_count_suffix@);
return vm.throw_completion<JS::TypeError>(@.bad_arg_count@, "@function.name@"@.arg_count_suffix@);
)~~~");
}
@ -1803,7 +1803,7 @@ JS_DEFINE_NATIVE_FUNCTION(@class_name@::@function.name:snakecase@)
}
function_generator.append(R"~~~(
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::OverloadResolutionFailed);
return vm.throw_completion<JS::TypeError>(JS::ErrorType::OverloadResolutionFailed);
}
)~~~");
}
@ -2944,7 +2944,7 @@ namespace Web::Bindings {
JS::ThrowCompletionOr<JS::Value> @constructor_class@::call()
{
return vm().throw_completion<JS::TypeError>(global_object(), JS::ErrorType::ConstructorWithoutNew, "@name@");
return vm().throw_completion<JS::TypeError>(JS::ErrorType::ConstructorWithoutNew, "@name@");
}
JS::ThrowCompletionOr<JS::Object*> @constructor_class@::construct(FunctionObject&)
@ -2955,7 +2955,7 @@ JS::ThrowCompletionOr<JS::Object*> @constructor_class@::construct(FunctionObject
// No constructor
generator.set("constructor.length", "0");
generator.append(R"~~~(
return vm().throw_completion<JS::TypeError>(global_object(), JS::ErrorType::NotAConstructor, "@name@");
return vm().throw_completion<JS::TypeError>(JS::ErrorType::NotAConstructor, "@name@");
)~~~");
} else if (interface.constructors.size() == 1) {
// Single constructor
@ -3386,7 +3386,7 @@ static JS::ThrowCompletionOr<@fully_qualified_name@*> impl_from(JS::VM& vm, JS::
generator.append(R"~~~(
if (!is<@wrapper_class@>(this_object))
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "@fully_qualified_name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "@fully_qualified_name@");
return &static_cast<@wrapper_class@*>(this_object)->impl();
}
@ -3538,7 +3538,7 @@ JS_DEFINE_NATIVE_FUNCTION(@prototype_class@::for_each)
auto callback = vm.argument(0);
if (!callback.is_function())
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAFunction, callback.to_string_without_side_effects());
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAFunction, callback.to_string_without_side_effects());
auto this_value = vm.this_value(global_object);
TRY(impl->for_each([&](auto key, auto value) -> JS::ThrowCompletionOr<void> {
@ -3809,7 +3809,7 @@ static JS::ThrowCompletionOr<@fully_qualified_name@*> impl_from(JS::VM& vm, JS::
{
auto* this_object = TRY(vm.this_value(global_object).to_object(global_object));
if (!is<@wrapper_class@>(this_object))
return vm.throw_completion<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "@fully_qualified_name@");
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "@fully_qualified_name@");
return &static_cast<@wrapper_class@*>(this_object)->impl();
}