llvm-project/clang-tools-extra/clang-tidy/cppcoreguidelines/AvoidDoWhileCheck.cpp

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1.4 KiB
C++

//===--- AvoidDoWhileCheck.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 "AvoidDoWhileCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace cppcoreguidelines {
AvoidDoWhileCheck::AvoidDoWhileCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context),
IgnoreMacros(Options.getLocalOrGlobal("IgnoreMacros", false)) {}
void AvoidDoWhileCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
Options.store(Opts, "IgnoreMacros", IgnoreMacros);
}
void AvoidDoWhileCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(doStmt().bind("x"), this);
}
void AvoidDoWhileCheck::check(const MatchFinder::MatchResult &Result) {
if (const auto *MatchedDecl = Result.Nodes.getNodeAs<DoStmt>("x")) {
if (IgnoreMacros && MatchedDecl->getBeginLoc().isMacroID())
return;
diag(MatchedDecl->getBeginLoc(), "avoid do-while loops");
}
}
} // namespace cppcoreguidelines
} // namespace tidy
} // namespace clang