mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
5cbf9f9641
* [IRGen] Handle complex single payload enum cases rdar://110138498 Handles single payload enum cases with more complex bit patterns (e.g. >64 bits or scattered) by storing a relative pointer to a function that reads the tag. * Use proper symbol for enum tag helper
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
//===--- RuntimeValueWitness.h ---===//
|
|
// Swift Language Bytecode Layouts Runtime Implementation
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Implementations of runtime determined value witness functions
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SWIFT_BYTECODE_LAYOUTS_H
|
|
#define SWIFT_BYTECODE_LAYOUTS_H
|
|
|
|
#include "swift/Runtime/Metadata.h"
|
|
#include <cstdint>
|
|
#include <vector>
|
|
|
|
namespace swift {
|
|
|
|
enum class RefCountingKind : uint8_t {
|
|
End = 0x00,
|
|
Error = 0x01,
|
|
NativeStrong = 0x02,
|
|
NativeUnowned = 0x03,
|
|
NativeWeak = 0x04,
|
|
Unknown = 0x05,
|
|
UnknownUnowned = 0x06,
|
|
UnknownWeak = 0x07,
|
|
Bridge = 0x08,
|
|
Block = 0x09,
|
|
ObjC = 0x0a,
|
|
Custom = 0x0b,
|
|
|
|
Metatype = 0x0c,
|
|
Generic = 0x0d,
|
|
Existential = 0x0e,
|
|
Resilient = 0x0f,
|
|
|
|
SinglePayloadEnumSimple = 0x10,
|
|
SinglePayloadEnumFN = 0x11,
|
|
SinglePayloadEnumFNResolved = 0x12,
|
|
|
|
Skip = 0x80,
|
|
// We may use the MSB as flag that a count follows,
|
|
// so all following values are reserved
|
|
// Reserved: 0x81 - 0xFF
|
|
};
|
|
|
|
SWIFT_RUNTIME_EXPORT
|
|
void swift_generic_destroy(swift::OpaqueValue *address, const Metadata *metadata);
|
|
SWIFT_RUNTIME_EXPORT
|
|
swift::OpaqueValue *swift_generic_assignWithCopy(swift::OpaqueValue *dest, swift::OpaqueValue *src, const Metadata *metadata);
|
|
SWIFT_RUNTIME_EXPORT
|
|
swift::OpaqueValue *swift_generic_assignWithTake(swift::OpaqueValue *dest, swift::OpaqueValue *src, const Metadata *metadata);
|
|
SWIFT_RUNTIME_EXPORT
|
|
swift::OpaqueValue *swift_generic_initWithCopy(swift::OpaqueValue *dest, swift::OpaqueValue *src, const Metadata *metadata);
|
|
SWIFT_RUNTIME_EXPORT
|
|
swift::OpaqueValue *swift_generic_initWithTake(swift::OpaqueValue *dest, swift::OpaqueValue *src, const Metadata *metadata);
|
|
SWIFT_RUNTIME_EXPORT
|
|
void swift_generic_instantiateLayoutString(const uint8_t *layoutStr, Metadata *type);
|
|
|
|
void swift_resolve_resilientAccessors(uint8_t *layoutStr, size_t layoutStrOffset, const uint8_t *fieldLayoutStr, size_t refCountBytes, const Metadata *fieldType);
|
|
} // namespace swift
|
|
|
|
#endif // SWIFT_BYTECODE_LAYOUTS_H
|