clang-tools-extra/clang-tidy/cert/FloatLoopCounter.cpp

   1 //===--- FloatLoopCounter.cpp - clang-tidy---------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "FloatLoopCounter.h"
  10 #include "clang/AST/ASTContext.h"
  11 #include "clang/ASTMatchers/ASTMatchFinder.h"
  12
  13 using namespace clang::ast_matchers;
  14
  15 namespace clang::tidy::cert {
  16
  17 void FloatLoopCounter::registerMatchers(MatchFinder *Finder) {
  18   Finder->addMatcher(
  19       forStmt(hasIncrement(expr(hasType(realFloatingPointType())))).bind("for"),
  20       this);
  21 }
  22
  23 void FloatLoopCounter::check(const MatchFinder::MatchResult &Result) {
  24   const auto *FS = Result.Nodes.getNodeAs<ForStmt>("for");
  25
  26   diag(FS->getInc()->getExprLoc(), "loop induction expression should not have "
  27                                    "floating-point type");
  28 }
  29
  30 } // namespace clang::tidy::cert