1 files changed, 20 insertions, 0 deletions
diff --git a/build/clang-plugin/AssertAssignmentChecker.cpp b/build/clang-plugin/AssertAssignmentChecker.cpp
new file mode 100644
index 0000000000..467de28d63
--- /dev/null
+++ b/build/clang-plugin/AssertAssignmentChecker.cpp
@@ -0,0 +1,20 @@
+/* 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 "AssertAssignmentChecker.h"
+#include "CustomMatchers.h"
+
+void AssertAssignmentChecker::registerMatchers(MatchFinder *AstMatcher) {
+  AstMatcher->addMatcher(
+      callExpr(isAssertAssignmentTestFunc()).bind("funcCall"), this);
+}
+
+void AssertAssignmentChecker::check(const MatchFinder::MatchResult &Result) {
+  const CallExpr *FuncCall = Result.Nodes.getNodeAs<CallExpr>("funcCall");
+
+  if (FuncCall && hasSideEffectAssignment(FuncCall)) {
+    diag(FuncCall->getBeginLoc(), "Forbidden assignment in assert expression",
+         DiagnosticIDs::Error);
+  }
+}