build/clang-plugin/NoExplicitMoveConstructorChecker.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "NoExplicitMoveConstructorChecker.h"
   6 #include "CustomMatchers.h"
   7
   8 void NoExplicitMoveConstructorChecker::registerMatchers(
   9     MatchFinder *AstMatcher) {
  10   AstMatcher->addMatcher(
  11       cxxConstructorDecl(isExplicitMoveConstructor(), isFirstParty())
  12           .bind("node"),
  13       this);
  14 }
  15
  16 void NoExplicitMoveConstructorChecker::check(
  17     const MatchFinder::MatchResult &Result) {
  18   // Everything we needed to know was checked in the matcher - we just report
  19   // the error here
  20   const CXXConstructorDecl *D =
  21       Result.Nodes.getNodeAs<CXXConstructorDecl>("node");
  22
  23   diag(D->getLocation(), "Move constructors may not be marked explicit",
  24        DiagnosticIDs::Error);
  25 }