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LibIDL: Support dictionary types when distinguishing argument indices

This commit is contained in:
Idan Horowitz 2023-11-10 23:47:18 +02:00 committed by Andreas Kling
parent f837f02eea
commit f2410071cd
3 changed files with 19 additions and 15 deletions

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 // 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) { for (auto argument_index = 0u; argument_index < argument_count; ++argument_index) {
bool found_indistinguishable = false; bool found_indistinguishable = false;
for (auto first_item_index = 0u; first_item_index < items.size(); ++first_item_index) { 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) { 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; found_indistinguishable = true;
break; break;
} }
@ -2114,7 +2114,7 @@ static size_t resolve_distinguishing_argument_index(Vector<EffectiveOverloadSet:
VERIFY_NOT_REACHED(); 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(); auto function_generator = generator.fork();
function_generator.set("class_name", class_name); 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; auto distinguishing_argument_index = 0u;
if (effective_overload_set.size() > 1) 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("current_argument_count", DeprecatedString::number(argument_count));
function_generator.set("overload_count", DeprecatedString::number(effective_overload_set.size())); 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) { for (auto const& overload_set : interface.overload_sets) {
if (overload_set.value.size() == 1) if (overload_set.value.size() == 1)
continue; continue;
generate_overload_arbiter(generator, overload_set, class_name); generate_overload_arbiter(generator, overload_set, interface, class_name);
} }
if (interface.has_stringifier) { 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) { for (auto const& overload_set : interface.overload_sets) {
if (overload_set.value.size() == 1) if (overload_set.value.size() == 1)
continue; continue;
generate_overload_arbiter(generator, overload_set, interface.namespace_class); generate_overload_arbiter(generator, overload_set, interface, interface.namespace_class);
} }
generator.append(R"~~~( generator.append(R"~~~(
@ -3846,7 +3846,7 @@ void @constructor_class@::initialize(JS::Realm& realm)
for (auto const& overload_set : interface.static_overload_sets) { for (auto const& overload_set : interface.static_overload_sets) {
if (overload_set.value.size() == 1) if (overload_set.value.size() == 1)
continue; continue;
generate_overload_arbiter(generator, overload_set, interface.constructor_class); generate_overload_arbiter(generator, overload_set, interface, interface.constructor_class);
} }
generator.append(R"~~~( generator.append(R"~~~(

View file

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

View file

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