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LibIDL: Support dictionary types when distinguishing argument indices

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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
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18
Userland/Libraries/LibIDL/Types.cpp
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@ -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;