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//===--- 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;
class DynamicMetadataRequest;
class MetadataResponse;
using GetTypeParameterInContextFn =
llvm::function_ref<CanType(CanType type)>;
/// Emit a type metadata reference for an archetype.
MetadataResponse emitArchetypeTypeMetadataRef(IRGenFunction &IGF,
CanArchetypeType archetype,
DynamicMetadataRequest request);
/// 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.
MetadataResponse emitAssociatedTypeMetadataRef(IRGenFunction &IGF,
CanArchetypeType origin,
AssociatedType association,
DynamicMetadataRequest request);
/// Emit a dynamic metatype lookup for the given archetype.
llvm::Value *emitDynamicTypeOfOpaqueArchetype(IRGenFunction &IGF,
Address archetypeAddr,
SILType archetypeType);
/// Emit a lookup for an opaque result type's metadata.
MetadataResponse emitOpaqueTypeMetadataRef(IRGenFunction &IGF,
CanOpaqueTypeArchetypeType archetype,
DynamicMetadataRequest request);
/// Emit a lookup for an opaque result type's protocol conformance.
llvm::Value *emitOpaqueTypeWitnessTableRef(IRGenFunction &IGF,
CanOpaqueTypeArchetypeType archetype,
ProtocolDecl *protocol);
} // end namespace irgen
} // end namespace swift
#endif
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