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Base type of an enum #263

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May 15, 2022
Merged

Base type of an enum #263

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2 changes: 2 additions & 0 deletions include/ipr/impl
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Original file line number Diff line number Diff line change
Expand Up @@ -1857,6 +1857,7 @@ namespace ipr::impl {
};

struct Enum : impl::Type<ipr::Enum> {
Optional<ipr::Type> underlying;
homogeneous_region<impl::Enumerator, obj_sequence> body;
Optional<ipr::Name> id;
const Kind enum_kind;
Expand All @@ -1867,6 +1868,7 @@ namespace ipr::impl {
const ipr::Region& region() const final;
const Sequence<ipr::Enumerator>& members() const final;
Kind kind() const final;
Optional<ipr::Type> base() const final { return underlying; }
impl::Enumerator* add_member(const ipr::Name&);
};

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3 changes: 3 additions & 0 deletions include/ipr/interface
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Expand Up @@ -707,12 +707,15 @@ namespace ipr {
// An enumeration is an object-type whose members are named constants
// the definitions of which as part of the definition of the enumeration
// itself. By historical accident, enumerators are not "properly scoped".
// The underlying type of the enumeration is given by `base()`, when explicitly
// specified or inferred from the enumerator list.
struct Enum : Category<Category_code::Enum, Udt<Enumerator>> {
enum class Kind : std::uint8_t { // The kind of enum.
Legacy, // traditional C-style enum
Scoped // scoped enum (C++11)
};
virtual Kind kind() const = 0;
virtual Optional<Type> base() const = 0;
};

// -- Auto --
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