TrivialCtorDtorChecker.cpp

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "TrivialCtorDtorChecker.h"

#include "CustomMatchers.h"

void TrivialCtorDtorChecker::registerMatchers(MatchFinder *AstMatcher) {

  // We need to accept non-constexpr trivial constructors as well. This occurs

  // when a struct contains pod members, which will not be initialized. As

  // constexpr values are initialized, the constructor is non-constexpr.

  AstMatcher->addMatcher(

      cxxRecordDecl(hasTrivialCtorDtor(), hasDefinition(),

                    unless(allOf(hasTrivialDestructor(),

                                 anyOf(hasTrivialDefaultConstructor(),

                                       hasConstexprDefaultConstructor()))))

          .bind("node"),

      this);

void TrivialCtorDtorChecker::check(const MatchFinder::MatchResult &Result) {

  const char *Error = "class %0 must have trivial constructors and destructors";

  const CXXRecordDecl *Node = Result.Nodes.getNodeAs<CXXRecordDecl>("node");

  diag(Node->getBeginLoc(), Error, DiagnosticIDs::Error) << Node;