Use std::unique_ptr in ClangTidyCheckFactories

I had to explicitly define some destructors that could only be defined
in the corresponding .cpp files.

llvm-svn: 372978

clang-tools-extra/clang-tidy/ClangTidyModule.h

@@ -13,6 +13,7 @@
 #include "llvm/ADT/StringRef.h"
 #include <functional>
 #include <map>
+#include <memory>
 #include <string>
 #include <utility>
 
@@ -25,9 +26,8 @@ namespace tidy {
 /// this object.
 class ClangTidyCheckFactories {
 public:
-  typedef std::function<ClangTidyCheck *(StringRef Name,
+  using CheckFactory = std::function<std::unique_ptr<ClangTidyCheck>(
-                                         ClangTidyContext *Context)>
+      StringRef Name, ClangTidyContext *Context)>;
-      CheckFactory;
 
   /// Registers check \p Factory with name \p Name.
   ///
@@ -58,7 +58,7 @@ public:
   template <typename CheckType> void registerCheck(StringRef CheckName) {
     registerCheckFactory(CheckName,
                          [](StringRef Name, ClangTidyContext *Context) {
-                           return new CheckType(Name, Context);
+                           return std::make_unique<CheckType>(Name, Context);
                          });
   }
 

clang-tools-extra/clang-tidy/google/TodoCommentCheck.cpp

@@ -55,6 +55,8 @@ TodoCommentCheck::TodoCommentCheck(StringRef Name, ClangTidyContext *Context)
       Handler(std::make_unique<TodoCommentHandler>(
           *this, Context->getOptions().User)) {}
 
+TodoCommentCheck::~TodoCommentCheck() = default;
+
 void TodoCommentCheck::registerPPCallbacks(const SourceManager &SM,
                                            Preprocessor *PP,
                                            Preprocessor *ModuleExpanderPP) {

clang-tools-extra/clang-tidy/google/TodoCommentCheck.h

@@ -22,6 +22,8 @@ namespace readability {
 class TodoCommentCheck : public ClangTidyCheck {
 public:
   TodoCommentCheck(StringRef Name, ClangTidyContext *Context);
+  ~TodoCommentCheck();
+
   void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
                            Preprocessor *ModuleExpanderPP) override;
 

clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp

@@ -193,6 +193,8 @@ IdentifierNamingCheck::IdentifierNamingCheck(StringRef Name,
   IgnoreFailedSplit = Options.get("IgnoreFailedSplit", 0);
 }
 
+IdentifierNamingCheck::~IdentifierNamingCheck() = default;
+
 void IdentifierNamingCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
   auto const toString = [](CaseType Type) {
     switch (Type) {

clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.h

@@ -34,6 +34,7 @@ namespace readability {
 class IdentifierNamingCheck : public ClangTidyCheck {
 public:
   IdentifierNamingCheck(StringRef Name, ClangTidyContext *Context);
+  ~IdentifierNamingCheck();
 
   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;