FloatLoopCounter.cpp

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//===--- FloatLoopCounter.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 "FloatLoopCounter.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
 
using namespace clang::ast_matchers;
 
namespace clang::tidy::cert {
 
void FloatLoopCounter::registerMatchers(MatchFinder *Finder) {
  Finder->addMatcher(
      forStmt(hasIncrement(expr(hasType(realFloatingPointType())))).bind("for"),
      this);
}
 
void FloatLoopCounter::check(const MatchFinder::MatchResult &Result) {
  const auto *FS = Result.Nodes.getNodeAs<ForStmt>("for");
 
  diag(FS->getInc()->getExprLoc(), "loop induction expression should not have "
                                   "floating-point type");
}
 
} // namespace clang::tidy::cert