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e66e4caa1b
This will permit the use of GenericRequirement in PrintAsClang. This will allow the C++ bindings printer to print generic function signatures correctly, by passing information about emitted GenericRequirement values for a signature from IRGen using IRGenABIDetailsProvider to PrintAsClang
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//===--- GenericRequirement.h - Generic requirement -------------*- 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_AST_GENERIC_REQUIREMENT_H
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#define SWIFT_AST_GENERIC_REQUIREMENT_H
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#include "swift/AST/Type.h"
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namespace swift {
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class ProtocolDecl;
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/// An abstract generic requirement.
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struct GenericRequirement {
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CanType TypeParameter;
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ProtocolDecl *Protocol;
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};
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} // end namespace swift
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namespace llvm {
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template <> struct DenseMapInfo<swift::GenericRequirement> {
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using GenericRequirement = swift::GenericRequirement;
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using CanTypeInfo = llvm::DenseMapInfo<swift::CanType>;
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static GenericRequirement getEmptyKey() {
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return {CanTypeInfo::getEmptyKey(), nullptr};
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}
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static GenericRequirement getTombstoneKey() {
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return {CanTypeInfo::getTombstoneKey(), nullptr};
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}
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static llvm::hash_code getHashValue(GenericRequirement req) {
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return hash_combine(CanTypeInfo::getHashValue(req.TypeParameter),
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hash_value(req.Protocol));
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}
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static bool isEqual(GenericRequirement lhs, GenericRequirement rhs) {
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return (lhs.TypeParameter == rhs.TypeParameter &&
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lhs.Protocol == rhs.Protocol);
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}
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};
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} // end namespace llvm
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#endif // SWIFT_AST_GENERIC_REQUIREMENT_H
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