build/clang-plugin/AssertAssignmentChecker.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 "AssertAssignmentChecker.h"
   6 #include "CustomMatchers.h"
   7
   8 void AssertAssignmentChecker::registerMatchers(MatchFinder *AstMatcher) {
   9   AstMatcher->addMatcher(
  10       callExpr(isAssertAssignmentTestFunc()).bind("funcCall"), this);
  11 }
  12
  13 void AssertAssignmentChecker::check(const MatchFinder::MatchResult &Result) {
  14   const CallExpr *FuncCall = Result.Nodes.getNodeAs<CallExpr>("funcCall");
  15
  16   if (FuncCall && hasSideEffectAssignment(FuncCall)) {
  17     diag(FuncCall->getBeginLoc(), "Forbidden assignment in assert expression",
  18          DiagnosticIDs::Error);
  19   }
  20 }