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143 lines
5.4 KiB
C++
143 lines
5.4 KiB
C++
//===--- KeyPath.h - ABI constants for key path objects ---------*- 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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// Constants used in the layout of key path objects.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_STDLIB_SHIMS_KEYPATH_H
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#define SWIFT_STDLIB_SHIMS_KEYPATH_H
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#include "SwiftStdint.h"
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#ifdef __cplusplus
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namespace swift {
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extern "C" {
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#endif
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// Bitfields for the key path buffer header.
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static const __swift_uint32_t _SwiftKeyPathBufferHeader_SizeMask
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= 0x00FFFFFFU;
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static const __swift_uint32_t _SwiftKeyPathBufferHeader_TrivialFlag
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= 0x80000000U;
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static const __swift_uint32_t _SwiftKeyPathBufferHeader_HasReferencePrefixFlag
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= 0x40000000U;
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static const __swift_uint32_t _SwiftKeyPathBufferHeader_IsSingleComponentFlag
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= 0x20000000U;
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static const __swift_uint32_t _SwiftKeyPathBufferHeader_ReservedMask
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= 0x1F000000U;
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// Bitfields for a key path component header.
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_PayloadMask
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= 0x00FFFFFFU;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_DiscriminatorMask
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= 0x7F000000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_DiscriminatorShift
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= 24;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_StructTag
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= 1;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedTag
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= 2;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ClassTag
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= 3;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_OptionalTag
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= 4;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ExternalTag
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= 0;
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static const __swift_uint32_t
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_SwiftKeyPathComponentHeader_TrivialPropertyDescriptorMarker = 0U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_StoredOffsetPayloadMask
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= 0x007FFFFFU;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_MaximumOffsetPayload
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= 0x007FFFFCU;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_UnresolvedIndirectOffsetPayload
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= 0x007FFFFDU;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_UnresolvedFieldOffsetPayload
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= 0x007FFFFEU;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_OutOfLineOffsetPayload
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= 0x007FFFFFU;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_StoredMutableFlag
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= 0x00800000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_OptionalChainPayload
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= 0;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_OptionalWrapPayload
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= 1;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_OptionalForcePayload
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= 2;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_EndOfReferencePrefixFlag
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= 0x80000000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedMutatingFlag
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= 0x00800000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedSettableFlag
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= 0x00400000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedIDByStoredPropertyFlag
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= 0x00200000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedIDByVTableOffsetFlag
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= 0x00100000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedHasArgumentsFlag
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= 0x00080000U;
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// Not ABI, used internally by key path runtime implementation
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedInstantiatedFromExternalWithArgumentsFlag
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= 0x00000010U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedIDResolutionMask
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= 0x0000000FU;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedIDResolved
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= 0x00000000U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedIDResolvedAbsolute
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= 0x00000003U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedIDUnresolvedIndirectPointer
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= 0x00000002U;
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static const __swift_uint32_t _SwiftKeyPathComponentHeader_ComputedIDUnresolvedFunctionCall
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= 0x00000001U;
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#ifndef __cplusplus
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extern const void *_Nonnull (swift_keyPathGenericWitnessTable[]);
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static inline const void *_Nonnull __swift_keyPathGenericWitnessTable_addr(void) {
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return swift_keyPathGenericWitnessTable;
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}
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#endif
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// Discriminators for pointer authentication in key path patterns and objects
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_ArgumentDestroy = 0x7072;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_ArgumentCopy = 0x6f66;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_ArgumentEquals = 0x756e;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_ArgumentHash = 0x6374;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_Getter = 0x6f72;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_NonmutatingSetter = 0x6f70;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_MutatingSetter = 0x7469;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_ArgumentLayout = 0x6373;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_ArgumentInit = 0x6275;
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static const __swift_uint16_t _SwiftKeyPath_ptrauth_MetadataAccessor = 0x7474;
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#ifdef __cplusplus
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} // extern "C"
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} // namespace swift
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#endif
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#endif // SWIFT_STDLIB_SHIMS_KEYPATH_H
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