| //===--- GenArchetype.h - Swift IR generation for archetypes ----*- C++ -*-===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file provides the private interface to the archetype emission code. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SWIFT_IRGEN_GENARCHETYPE_H |
| #define SWIFT_IRGEN_GENARCHETYPE_H |
| |
| #include "swift/AST/Types.h" |
| #include "llvm/ADT/STLExtras.h" |
| |
| namespace llvm { |
| class Value; |
| } |
| |
| namespace swift { |
| class AssociatedType; |
| class ProtocolDecl; |
| class SILType; |
| |
| namespace irgen { |
| class Address; |
| class IRGenFunction; |
| |
| using GetTypeParameterInContextFn = |
| llvm::function_ref<CanType(CanType type)>; |
| |
| /// Emit a type metadata reference for an archetype. |
| llvm::Value *emitArchetypeTypeMetadataRef(IRGenFunction &IGF, |
| CanArchetypeType archetype); |
| |
| /// Emit a witness table reference. |
| llvm::Value *emitArchetypeWitnessTableRef(IRGenFunction &IGF, |
| CanArchetypeType archetype, |
| ProtocolDecl *protocol); |
| |
| /// Emit a metadata reference for an associated type of an archetype. |
| llvm::Value *emitAssociatedTypeMetadataRef(IRGenFunction &IGF, |
| CanArchetypeType origin, |
| AssociatedType association); |
| |
| /// Emit a dynamic metatype lookup for the given archetype. |
| llvm::Value *emitDynamicTypeOfOpaqueArchetype(IRGenFunction &IGF, |
| Address archetypeAddr, |
| SILType archetypeType); |
| |
| |
| } // end namespace irgen |
| } // end namespace swift |
| |
| #endif |