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49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
//===--- Reflection.h - Swift Language Reflection Support -------*- 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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://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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// An implementation of value reflection based on type metadata.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Runtime/Metadata.h"
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#include <cstdlib>
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namespace swift {
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struct MirrorWitnessTable;
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/// The layout of protocol<Mirror>.
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struct Mirror {
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OpaqueExistentialContainer Header;
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const MirrorWitnessTable *MirrorWitness;
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};
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/// func reflect<T>(x: T) -> Mirror
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///
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/// Produce a mirror for any value. If the value's type conforms to Reflectable,
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/// invoke its getMirror() method; otherwise, fall back to an implementation
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/// in the runtime that structurally reflects values of any type.
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extern "C" Mirror
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swift_reflectAny(OpaqueValue *value, const Metadata *T);
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/// func unsafeReflect<T>(owner: Builtin.NativeObject,
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/// x: UnsafeMutablePointer<T>) -> Mirror
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///
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/// Produce a mirror for any value. If the value's type conforms to Reflectable,
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/// invoke its getMirror() method; otherwise, fall back to an implementation
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/// in the runtime that structurally reflects values of any type.
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extern "C" Mirror
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swift_unsafeReflectAny(HeapObject *owner,
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const OpaqueValue *value, const Metadata *T);
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}
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