build/clang-plugin/MustReturnFromCallerChecker.h

   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 #ifndef MustReturnFromCallerChecker_h__
   6 #define MustReturnFromCallerChecker_h__
   7
   8 #include "RecurseGuard.h"
   9 #include "StmtToBlockMap.h"
  10 #include "Utils.h"
  11 #include "plugin.h"
  12
  13 class MustReturnFromCallerChecker : public BaseCheck {
  14 public:
  15   MustReturnFromCallerChecker(StringRef CheckName,
  16                               ContextType *Context = nullptr)
  17       : BaseCheck(CheckName, Context) {}
  18   void registerMatchers(MatchFinder *AstMatcher) override;
  19   void check(const MatchFinder::MatchResult &Result) override;
  20
  21 private:
  22   bool isIgnorable(const Stmt *S);
  23   bool immediatelyReturns(RecurseGuard<const CFGBlock *> Block,
  24                           ASTContext *TheContext, size_t FromIdx);
  25 };
  26
  27 #endif