build/clang-plugin/OverrideBaseCallUsageChecker.cpp
author Dimi Lee <dlee@mozilla.com>
Sat, 08 Aug 2020 06:00:00 +0000
changeset 543991 fa0dbdf15f291e814b4854d515d7ef3e4548b7fb
parent 387474 88c9b8587db69f36601f45e6584ac2d1c5e459b5
permissions -rw-r--r--
Bug 1658010 - Add null pointer check before notifying content block event r=xeonchen Differential Revision: https://phabricator.services.mozilla.com/D86421

/* 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 "OverrideBaseCallUsageChecker.h"
#include "CustomMatchers.h"

void OverrideBaseCallUsageChecker::registerMatchers(MatchFinder *AstMatcher) {
  AstMatcher->addMatcher(
      cxxMethodDecl(isNonVirtual(), isRequiredBaseMethod()).bind("method"),
      this);
}

void OverrideBaseCallUsageChecker::check(
    const MatchFinder::MatchResult &Result) {
  const char *Error =
      "MOZ_REQUIRED_BASE_METHOD can be used only on virtual methods";
  const CXXMethodDecl *Method = Result.Nodes.getNodeAs<CXXMethodDecl>("method");

  diag(Method->getLocation(), Error, DiagnosticIDs::Error);
}