llvm/clang-tools-extra/clang-tidy/hicpp/MultiwayPathsCoveredCheck.cpp

//===--- MultiwayPathsCoveredCheck.cpp - clang-tidy------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "MultiwayPathsCoveredCheck.h"
#include "clang/AST/ASTContext.h"

#include <limits>

usingnamespaceclang::ast_matchers;

namespace clang::tidy::hicpp {

void MultiwayPathsCoveredCheck::storeOptions(
    ClangTidyOptions::OptionMap &Opts) { … }

void MultiwayPathsCoveredCheck::registerMatchers(MatchFinder *Finder) { … }

static std::pair<std::size_t, bool> countCaseLabels(const SwitchStmt *Switch) { … }

/// This function calculate 2 ** Bits and returns
/// numeric_limits<std::size_t>::max() if an overflow occurred.
static std::size_t twoPow(std::size_t Bits) { … }

/// Get the number of possible values that can be switched on for the type T.
///
/// \return - 0 if bitcount could not be determined
///         - numeric_limits<std::size_t>::max() when overflow appeared due to
///           more than 64 bits type size.
static std::size_t getNumberOfPossibleValues(QualType T,
                                             const ASTContext &Context) { … }

void MultiwayPathsCoveredCheck::check(const MatchFinder::MatchResult &Result) { … }

void MultiwayPathsCoveredCheck::handleSwitchWithDefault(
    const SwitchStmt *Switch, std::size_t CaseCount) { … }

void MultiwayPathsCoveredCheck::handleSwitchWithoutDefault(
    const SwitchStmt *Switch, std::size_t CaseCount,
    const MatchFinder::MatchResult &Result) { … }
} // namespace clang::tidy::hicpp