Coverage Report

Created: 2019-03-24 22:13

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/clang/include/clang/AST/BaseSubobject.h
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//===- BaseSubobject.h - BaseSubobject class --------------------*- 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 provides a definition of the BaseSubobject class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_AST_BASESUBOBJECT_H
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#define LLVM_CLANG_AST_BASESUBOBJECT_H
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#include "clang/AST/CharUnits.h"
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#include "clang/AST/DeclCXX.h"
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#include "llvm/ADT/DenseMapInfo.h"
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#include "llvm/Support/type_traits.h"
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#include <cstdint>
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#include <utility>
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namespace clang {
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class CXXRecordDecl;
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// BaseSubobject - Uniquely identifies a direct or indirect base class.
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// Stores both the base class decl and the offset from the most derived class to
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// the base class. Used for vtable and VTT generation.
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class BaseSubobject {
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  /// Base - The base class declaration.
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  const CXXRecordDecl *Base;
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  /// BaseOffset - The offset from the most derived class to the base class.
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  CharUnits BaseOffset;
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public:
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  BaseSubobject() = default;
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  BaseSubobject(const CXXRecordDecl *Base, CharUnits BaseOffset)
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      : Base(Base), BaseOffset(BaseOffset) {}
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  /// getBase - Returns the base class declaration.
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  const CXXRecordDecl *getBase() const { return Base; }
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  /// getBaseOffset - Returns the base class offset.
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  CharUnits getBaseOffset() const { return BaseOffset; }
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  friend bool operator==(const BaseSubobject &LHS, const BaseSubobject &RHS) {
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    return LHS.Base == RHS.Base && 
LHS.BaseOffset == RHS.BaseOffset936k
;
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 }
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};
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} // namespace clang
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namespace llvm {
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template<> struct DenseMapInfo<clang::BaseSubobject> {
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  static clang::BaseSubobject getEmptyKey() {
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    return clang::BaseSubobject(
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      DenseMapInfo<const clang::CXXRecordDecl *>::getEmptyKey(),
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      clang::CharUnits::fromQuantity(DenseMapInfo<int64_t>::getEmptyKey()));
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  }
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  static clang::BaseSubobject getTombstoneKey() {
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    return clang::BaseSubobject(
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      DenseMapInfo<const clang::CXXRecordDecl *>::getTombstoneKey(),
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      clang::CharUnits::fromQuantity(DenseMapInfo<int64_t>::getTombstoneKey()));
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  }
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  static unsigned getHashValue(const clang::BaseSubobject &Base) {
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    using PairTy = std::pair<const clang::CXXRecordDecl *, clang::CharUnits>;
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    return DenseMapInfo<PairTy>::getHashValue(PairTy(Base.getBase(),
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                                                     Base.getBaseOffset()));
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  }
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  static bool isEqual(const clang::BaseSubobject &LHS,
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                      const clang::BaseSubobject &RHS) {
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    return LHS == RHS;
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  }
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};
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} // namespace llvm
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#endif // LLVM_CLANG_AST_BASESUBOBJECT_H