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a184782a38
`Builtin.FixedArray<let N: Int, T: ~Copyable & ~Escapable>` has the layout of `N` elements of type `T` laid out sequentially in memory (with the tail padding of every element occupied by the array). This provides a primitive on which the standard library `Vector` type can be built.
111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
//===--- MetadataKind.def ---------------------------------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This is a file that enables metaprogramming with metadata kinds.
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//
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//===----------------------------------------------------------------------===//
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/// METADATAKIND(Name, Value)
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/// Represents a swift native runtime metadata kind. Name is the Name of the
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/// metadata kind and Value is the integral value used to identify the value.
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#ifndef METADATAKIND
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#define METADATAKIND(Name, Value)
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#endif
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/// ABSTRACTMETADATAKIND(Name, Start, End)
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/// Represents an abstraction categorization of a range of metadata kind
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/// values. Name is the identifier of the range and Start, End are the
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/// beginning and end of the range.
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#ifndef ABSTRACTMETADATAKIND
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#define ABSTRACTMETADATAKIND(Name, Start, End)
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#endif
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/// NOMINALTYPEMETADATAKIND(Name, Value)
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/// Represents the native metadata kind for a swift nominal type. Name is the
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/// name of the kind and Value is the integral value used to identify the
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/// value. Delegates to METADATAKIND if not defined.
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#ifndef NOMINALTYPEMETADATAKIND
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#define NOMINALTYPEMETADATAKIND(Name, Value) METADATAKIND(Name, Value)
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#endif
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/// A class type.
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NOMINALTYPEMETADATAKIND(Class, 0)
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/// A struct type.
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NOMINALTYPEMETADATAKIND(Struct, 0 | MetadataKindIsNonHeap)
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/// An enum type.
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NOMINALTYPEMETADATAKIND(Enum, 1 | MetadataKindIsNonHeap)
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/// An optional type.
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NOMINALTYPEMETADATAKIND(Optional, 2 | MetadataKindIsNonHeap)
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/// A foreign class, such as a Core Foundation class.
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METADATAKIND(ForeignClass, 3 | MetadataKindIsNonHeap)
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/// A non-Swift non-Objective-C class type.
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METADATAKIND(ForeignReferenceType, 4 | MetadataKindIsNonHeap)
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/// A type whose value is not exposed in the metadata system.
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METADATAKIND(Opaque, 0 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// A tuple.
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METADATAKIND(Tuple, 1 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// A monomorphic function.
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METADATAKIND(Function, 2 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// An existential type.
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METADATAKIND(Existential, 3 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// A metatype.
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METADATAKIND(Metatype, 4 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// An ObjC class wrapper.
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METADATAKIND(ObjCClassWrapper, 5 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// An existential metatype.
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METADATAKIND(ExistentialMetatype, 6 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// An extended existential type.
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METADATAKIND(ExtendedExistential, 7 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// A `Builtin.FixedArray`.
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METADATAKIND(FixedArray, 8 | MetadataKindIsRuntimePrivate | MetadataKindIsNonHeap)
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/// A heap-allocated local variable using statically-generated metadata.
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METADATAKIND(HeapLocalVariable, 0 | MetadataKindIsNonType)
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/// A heap-allocated local variable using runtime-instantiated metadata.
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METADATAKIND(HeapGenericLocalVariable,
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0 | MetadataKindIsNonType | MetadataKindIsRuntimePrivate)
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/// A native error object.
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METADATAKIND(ErrorObject,
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1 | MetadataKindIsNonType | MetadataKindIsRuntimePrivate)
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/// A heap-allocated task.
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METADATAKIND(Task,
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2 | MetadataKindIsNonType | MetadataKindIsRuntimePrivate)
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/// A non-task async job.
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METADATAKIND(Job,
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3 | MetadataKindIsNonType | MetadataKindIsRuntimePrivate)
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// getEnumeratedMetadataKind assumes that all the enumerated values here
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// will be <= LastEnumeratedMetadataKind.
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#undef ABSTRACTMETADATAKIND
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#undef NOMINALTYPEMETADATAKIND
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#undef METADATAKIND
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