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LibIDL: Support dictionary types when distinguishing argument indices

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Idan Horowitz 2023-11-10 23:47:18 +02:00 committed by Andreas Kling
parent f837f02eea
commit f2410071cd
Notes: sideshowbarker 2024-07-16 19:17:47 +09:00 
Author: https://github.com/IdanHo
Commit: https://github.com/SerenityOS/serenity/commit/f2410071cd
Pull-request: https://github.com/SerenityOS/serenity/pull/21879
3 changed files with 19 additions and 15 deletions
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14
Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp
View file

@ -2091,14 +2091,14 @@ static DeprecatedString generate_constructor_for_idl_type(Type const& type)
}
// https://webidl.spec.whatwg.org/#dfn-distinguishing-argument-index
static size_t resolve_distinguishing_argument_index(Vector<EffectiveOverloadSet::Item> const& items, size_t argument_count)
static size_t resolve_distinguishing_argument_index(Interface const& interface, Vector<EffectiveOverloadSet::Item> const& items, size_t argument_count)
{
for (auto argument_index = 0u; argument_index < argument_count; ++argument_index) {
bool found_indistinguishable = false;
for (auto first_item_index = 0u; first_item_index < items.size(); ++first_item_index) {
for (auto second_item_index = first_item_index + 1; second_item_index < items.size(); ++second_item_index) {
if (!items[first_item_index].types[argument_index]->is_distinguishable_from(items[second_item_index].types[argument_index])) {
if (!items[first_item_index].types[argument_index]->is_distinguishable_from(interface, items[second_item_index].types[argument_index])) {
found_indistinguishable = true;
break;
}
@ -2114,7 +2114,7 @@ static size_t resolve_distinguishing_argument_index(Vector<EffectiveOverloadSet:
VERIFY_NOT_REACHED();
}
static void generate_overload_arbiter(SourceGenerator& generator, auto const& overload_set, DeprecatedString const& class_name)
static void generate_overload_arbiter(SourceGenerator& generator, auto const& overload_set, IDL::Interface const& interface, DeprecatedString const& class_name)
{
auto function_generator = generator.fork();
function_generator.set("class_name", class_name);
@ -2149,7 +2149,7 @@ JS_DEFINE_NATIVE_FUNCTION(@class_name@::@function.name:snakecase@)
auto distinguishing_argument_index = 0u;
if (effective_overload_set.size() > 1)
distinguishing_argument_index = resolve_distinguishing_argument_index(effective_overload_set, argument_count);
distinguishing_argument_index = resolve_distinguishing_argument_index(interface, effective_overload_set, argument_count);
function_generator.set("current_argument_count", DeprecatedString::number(argument_count));
function_generator.set("overload_count", DeprecatedString::number(effective_overload_set.size()));
@ -3200,7 +3200,7 @@ JS_DEFINE_NATIVE_FUNCTION(@class_name@::@attribute.setter_callback@)
for (auto const& overload_set : interface.overload_sets) {
if (overload_set.value.size() == 1)
continue;
generate_overload_arbiter(generator, overload_set, class_name);
generate_overload_arbiter(generator, overload_set, interface, class_name);
}
if (interface.has_stringifier) {
@ -3442,7 +3442,7 @@ void @namespace_class@::visit_edges(JS::Cell::Visitor& visitor)
for (auto const& overload_set : interface.overload_sets) {
if (overload_set.value.size() == 1)
continue;
generate_overload_arbiter(generator, overload_set, interface.namespace_class);
generate_overload_arbiter(generator, overload_set, interface, interface.namespace_class);
}
generator.append(R"~~~(
@ -3846,7 +3846,7 @@ void @constructor_class@::initialize(JS::Realm& realm)
for (auto const& overload_set : interface.static_overload_sets) {
if (overload_set.value.size() == 1)
continue;
generate_overload_arbiter(generator, overload_set, interface.constructor_class);
generate_overload_arbiter(generator, overload_set, interface, interface.constructor_class);
}
generator.append(R"~~~(

18
Userland/Libraries/LibIDL/Types.cpp
View file

@ -71,13 +71,12 @@ bool Type::includes_undefined() const
}
// https://webidl.spec.whatwg.org/#dfn-distinguishable
bool Type::is_distinguishable_from(IDL::Type const& other) const
bool Type::is_distinguishable_from(IDL::Interface const& interface, IDL::Type const& other) const
{
// 1. If one type includes a nullable type and the other type either includes a nullable type,
// is a union type with flattened member types including a dictionary type, or is a dictionary type,
// return false.
// FIXME: "is a union type with flattened member types including a dictionary type, or is a dictionary type,"
if (includes_nullable_type() && other.includes_nullable_type())
if (includes_nullable_type() && (other.includes_nullable_type() || (other.is_union() && any_of(other.as_union().flattened_member_types(), [&interface](auto const& type) { return interface.dictionaries.contains(type->name()); })) || interface.dictionaries.contains(other.name())))
return false;
// 2. If both types are either a union type or nullable union type, return true if each member type
@ -88,7 +87,7 @@ bool Type::is_distinguishable_from(IDL::Type const& other) const
for (auto& this_member_type : this_union.member_types()) {
for (auto& other_member_type : other_union.member_types()) {
if (!this_member_type->is_distinguishable_from(other_member_type))
if (!this_member_type->is_distinguishable_from(interface, other_member_type))
return false;
}
}
@ -102,7 +101,7 @@ bool Type::is_distinguishable_from(IDL::Type const& other) const
auto const& non_union = is_union() ? other : *this;
for (auto& member_type : the_union.member_types()) {
if (!non_union.is_distinguishable_from(member_type))
if (!non_union.is_distinguishable_from(interface, member_type))
return false;
}
return true;
@ -148,7 +147,7 @@ bool Type::is_distinguishable_from(IDL::Type const& other) const
};
// clang-format on
auto determine_category = [](Type const& type) -> DistinguishabilityCategory {
auto determine_category = [&interface](Type const& type) -> DistinguishabilityCategory {
if (type.is_undefined())
return DistinguishabilityCategory::Undefined;
if (type.is_boolean())
@ -165,7 +164,12 @@ bool Type::is_distinguishable_from(IDL::Type const& other) const
return DistinguishabilityCategory::Symbol;
// FIXME: InterfaceLike - see below
// FIXME: CallbackFunction
// FIXME: DictionaryLike
// DictionaryLike
// * Dictionary Types
// * Record Types
// FIXME: * Callback Interface Types
if (interface.dictionaries.contains(type.name()) || (type.is_parameterized() && type.name() == "record"sv))
return DistinguishabilityCategory::DictionaryLike;
// FIXME: Frozen array types are included in "sequence-like"
if (type.is_sequence())
return DistinguishabilityCategory::SequenceLike;

2
Userland/Libraries/LibIDL/Types.h
View file

@ -134,7 +134,7 @@ public:
bool is_sequence() const { return is_parameterized() && m_name == "sequence"; }
// https://webidl.spec.whatwg.org/#dfn-distinguishable
bool is_distinguishable_from(Type const& other) const;
bool is_distinguishable_from(Interface const&, Type const& other) const;
bool is_json(Interface const&) const;