From bfd99be0fc58fe644aff76d180b333e6d840126a Mon Sep 17 00:00:00 2001
From: Nathan James <n.james93@hotmail.co.uk>
Date: Sun, 28 Jun 2020 15:18:08 +0100
Subject: [PATCH] [clang-tidy] Update lang restrictions on perf module

---
 clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.cpp     | 3 ---
 clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.h       | 3 +++
 clang-tools-extra/clang-tidy/performance/ForRangeCopyCheck.h           | 3 +++
 .../clang-tidy/performance/ImplicitConversionInLoopCheck.h             | 3 +++
 .../clang-tidy/performance/InefficientVectorOperationCheck.h           | 3 +++
 .../clang-tidy/performance/UnnecessaryCopyInitialization.h             | 3 +++
 6 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.cpp b/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.cpp
index bb0a02f..a6216b2 100644
--- a/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.cpp
+++ b/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.cpp
@@ -59,9 +59,6 @@ void FasterStringFindCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
 }
 
 void FasterStringFindCheck::registerMatchers(MatchFinder *Finder) {
-  if (!getLangOpts().CPlusPlus)
-    return;
-
   const auto SingleChar =
       expr(ignoringParenCasts(stringLiteral(hasSize(1)).bind("literal")));
   const auto StringFindFunctions =
diff --git a/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.h b/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.h
index 7d46d06..71a4570 100644
--- a/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.h
+++ b/clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.h
@@ -27,6 +27,9 @@ namespace performance {
 class FasterStringFindCheck : public ClangTidyCheck {
 public:
   FasterStringFindCheck(StringRef Name, ClangTidyContext *Context);
+  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
+    return LangOpts.CPlusPlus;
+  }
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
diff --git a/clang-tools-extra/clang-tidy/performance/ForRangeCopyCheck.h b/clang-tools-extra/clang-tidy/performance/ForRangeCopyCheck.h
index 3745c7b..71f662b 100644
--- a/clang-tools-extra/clang-tidy/performance/ForRangeCopyCheck.h
+++ b/clang-tools-extra/clang-tidy/performance/ForRangeCopyCheck.h
@@ -22,6 +22,9 @@ namespace performance {
 class ForRangeCopyCheck : public ClangTidyCheck {
 public:
   ForRangeCopyCheck(StringRef Name, ClangTidyContext *Context);
+  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
+    return LangOpts.CPlusPlus11;
+  }
   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
diff --git a/clang-tools-extra/clang-tidy/performance/ImplicitConversionInLoopCheck.h b/clang-tools-extra/clang-tidy/performance/ImplicitConversionInLoopCheck.h
index b372003..4b27136 100644
--- a/clang-tools-extra/clang-tidy/performance/ImplicitConversionInLoopCheck.h
+++ b/clang-tools-extra/clang-tidy/performance/ImplicitConversionInLoopCheck.h
@@ -22,6 +22,9 @@ class ImplicitConversionInLoopCheck : public ClangTidyCheck {
 public:
   ImplicitConversionInLoopCheck(StringRef Name, ClangTidyContext *Context)
       : ClangTidyCheck(Name, Context) {}
+      bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
+        return LangOpts.CPlusPlus11;
+      }
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
 
diff --git a/clang-tools-extra/clang-tidy/performance/InefficientVectorOperationCheck.h b/clang-tools-extra/clang-tidy/performance/InefficientVectorOperationCheck.h
index e224dcc..533b30d 100644
--- a/clang-tools-extra/clang-tidy/performance/InefficientVectorOperationCheck.h
+++ b/clang-tools-extra/clang-tidy/performance/InefficientVectorOperationCheck.h
@@ -26,6 +26,9 @@ namespace performance {
 class InefficientVectorOperationCheck : public ClangTidyCheck {
 public:
   InefficientVectorOperationCheck(StringRef Name, ClangTidyContext *Context);
+  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
+    return LangOpts.CPlusPlus;
+  }
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
diff --git a/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.h b/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.h
index 0a530e3..eeb9138 100644
--- a/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.h
+++ b/clang-tools-extra/clang-tidy/performance/UnnecessaryCopyInitialization.h
@@ -26,6 +26,9 @@ namespace performance {
 class UnnecessaryCopyInitialization : public ClangTidyCheck {
 public:
   UnnecessaryCopyInitialization(StringRef Name, ClangTidyContext *Context);
+  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
+    return LangOpts.CPlusPlus;
+  }
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
-- 
2.7.4