Coverage Report

Created: 2022-07-16 07:03

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/Sema/Weak.h
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//===-- UnresolvedSet.h - Unresolved sets of declarations  ------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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//  This file defines the WeakInfo class, which is used to store
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//  information about the target of a #pragma weak directive.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_SEMA_WEAK_H
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#define LLVM_CLANG_SEMA_WEAK_H
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#include "clang/Basic/SourceLocation.h"
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#include "llvm/ADT/DenseMapInfo.h"
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namespace clang {
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class IdentifierInfo;
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/// Captures information about a \#pragma weak directive.
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class WeakInfo {
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  const IdentifierInfo *alias = nullptr; // alias (optional)
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  SourceLocation loc;                    // for diagnostics
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public:
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  WeakInfo() = default;
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  WeakInfo(const IdentifierInfo *Alias, SourceLocation Loc)
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      : alias(Alias), loc(Loc) {}
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  inline const IdentifierInfo *getAlias() const { return alias; }
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  inline SourceLocation getLocation() const { return loc; }
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  bool operator==(WeakInfo RHS) const = delete;
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  bool operator!=(WeakInfo RHS) const = delete;
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  struct DenseMapInfoByAliasOnly
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      : private llvm::DenseMapInfo<const IdentifierInfo *> {
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    static inline WeakInfo getEmptyKey() {
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      return WeakInfo(DenseMapInfo::getEmptyKey(), SourceLocation());
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    }
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    static inline WeakInfo getTombstoneKey() {
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      return WeakInfo(DenseMapInfo::getTombstoneKey(), SourceLocation());
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    }
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    static unsigned getHashValue(const WeakInfo &W) {
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      return DenseMapInfo::getHashValue(W.getAlias());
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    }
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    static bool isEqual(const WeakInfo &LHS, const WeakInfo &RHS) {
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      return DenseMapInfo::isEqual(LHS.getAlias(), RHS.getAlias());
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    }
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  };
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};
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} // end namespace clang
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#endif // LLVM_CLANG_SEMA_WEAK_H