1 files changed, 21 insertions, 8 deletions
diff --git a/include/clang/StaticAnalyzer/Core/CheckerManager.h b/include/clang/StaticAnalyzer/Core/CheckerManager.h
index 538ed19f7e..612286ba8b 100644
--- a/include/clang/StaticAnalyzer/Core/CheckerManager.h
+++ b/include/clang/StaticAnalyzer/Core/CheckerManager.h
@@ -1,9 +1,8 @@
 //===- CheckerManager.h - Static Analyzer Checker Manager -------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -137,12 +136,18 @@ public:
   AnalyzerOptions &getAnalyzerOptions() { return AOptions; }
   ASTContext &getASTContext() { return Context; }
 
+  /// Emits an error through a DiagnosticsEngine about an invalid user supplied
+  /// checker option value.
+  void reportInvalidCheckerOptionValue(const CheckerBase *C,
+                                       StringRef OptionName,
+                                       StringRef ExpectedValueDesc);
+
   using CheckerRef = CheckerBase *;
   using CheckerTag = const void *;
   using CheckerDtor = CheckerFn<void ()>;
 
 //===----------------------------------------------------------------------===//
-// registerChecker
+// Checker registration.
 //===----------------------------------------------------------------------===//
 
   /// Used to register checkers.
@@ -154,8 +159,7 @@ public:
   CHECKER *registerChecker(AT &&... Args) {
     CheckerTag tag = getTag<CHECKER>();
     CheckerRef &ref = CheckerTags[tag];
-    if (ref)
-      return static_cast<CHECKER *>(ref); // already registered.
+    assert(!ref && "Checker already registered, use getChecker!");
 
     CHECKER *checker = new CHECKER(std::forward<AT>(Args)...);
     checker->Name = CurrentCheckName;
@@ -165,8 +169,17 @@ public:
     return checker;
   }
 
+  template <typename CHECKER>
+  CHECKER *getChecker() {
+    CheckerTag tag = getTag<CHECKER>();
+    assert(CheckerTags.count(tag) != 0 &&
+           "Requested checker is not registered! Maybe you should add it as a "
+           "dependency in Checkers.td?");
+    return static_cast<CHECKER *>(CheckerTags[tag]);
+  }
+
 //===----------------------------------------------------------------------===//
-// Functions for running checkers for AST traversing..
+// Functions for running checkers for AST traversing.
 //===----------------------------------------------------------------------===//
 
   /// Run checkers handling Decls.