clang-tidy: write a lint for charptr_cast

This lets us ensure that nobody is putting in new reinterpret_cast
instances where they could safely use charptr_cast instead.

Change-Id: I6358a3934c8133c7150042635843bdbb6b9218d4

1 files changed, 2 insertions, 0 deletions

diff --git a/subprojects/lix-clang-tidy/LixClangTidyChecks.cc b/subprojects/lix-clang-tidy/LixClangTidyChecks.cc
index b3503dd3a..283e0e7c8 100644
--- a/subprojects/lix-clang-tidy/LixClangTidyChecks.cc
+++ b/subprojects/lix-clang-tidy/LixClangTidyChecks.cc
@@ -2,6 +2,7 @@
 #include <clang-tidy/ClangTidyModuleRegistry.h>
 #include "FixIncludes.hh"
 #include "HasPrefixSuffix.hh"
+#include "CharPtrCast.hh"
 
 namespace nix::clang_tidy {
 using namespace clang;
@@ -12,6 +13,7 @@ class NixClangTidyChecks : public ClangTidyModule {
         void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
             CheckFactories.registerCheck<HasPrefixSuffixCheck>("lix-hasprefixsuffix");
             CheckFactories.registerCheck<FixIncludesCheck>("lix-fixincludes");
+            CheckFactories.registerCheck<CharPtrCastCheck>("lix-charptrcast");
         }
 };