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2950e4521e
The main change here is to associate a witness table with a `ProtocolConformance` instead of a `RootProtocolConformance`. A `ProtocolConformance` is the base class and can be a `RootProtocolConformance` or a `SpecializedProtocolConformance`.
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//===--- FormalLinkage.h - Formal linkage of types and decls ----*- 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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#ifndef SWIFT_SIL_FORMALLINKAGE_H
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#define SWIFT_SIL_FORMALLINKAGE_H
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namespace swift {
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class CanGenericSignature;
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class CanType;
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class ProtocolConformance;
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class ValueDecl;
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enum class SILLinkage : unsigned char;
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enum ForDefinition_t : bool;
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/// Formal linkage is a property of types and declarations that
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/// informs, but is not completely equivalent to, the linkage of
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/// symbols corresponding to those types and declarations.
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enum class FormalLinkage {
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/// This entity is visible in multiple Swift modules and has a
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/// unique file that is known to define it.
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PublicUnique,
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/// This entity is visible in multiple Swift modules, but does not
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/// have a unique file that is known to define it.
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PublicNonUnique,
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/// This entity is visible in multiple Swift modules within a package
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/// and has a unique file that is known to define it.
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PackageUnique,
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/// This entity is visible in only a single Swift module and has a
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/// unique file that is known to define it.
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HiddenUnique,
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/// This entity is visible in only a single Swift file. These are by
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/// definition unique.
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Private,
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};
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FormalLinkage getDeclLinkage(const ValueDecl *decl);
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FormalLinkage getTypeLinkage(CanType formalType);
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FormalLinkage getGenericSignatureLinkage(CanGenericSignature signature);
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SILLinkage getSILLinkage(FormalLinkage linkage,
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ForDefinition_t forDefinition);
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SILLinkage
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getLinkageForProtocolConformance(const ProtocolConformance *C,
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ForDefinition_t definition);
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} // end swift namespace
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#endif
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