build/clang-plugin/NoAutoTypeChecker.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 "NoAutoTypeChecker.h"
#include "CustomMatchers.h"

void NoAutoTypeChecker::registerMatchers(MatchFinder *AstMatcher) {
  AstMatcher->addMatcher(varDecl(hasType(autoNonAutoableType())).bind("node"),
                         this);
}

void NoAutoTypeChecker::check(const MatchFinder::MatchResult &Result) {
  const VarDecl *D = Result.Nodes.getNodeAs<VarDecl>("node");

  diag(D->getLocation(), "Cannot use auto to declare a variable of type %0",
       DiagnosticIDs::Error)
      << D->getType();
  diag(D->getLocation(), "Please write out this type explicitly",
       DiagnosticIDs::Note);
}