diff --git a/.clang-tidy b/.clang-tidy
index 1646112..13b443a 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -91,6 +91,8 @@ CheckOptions:
     value: ''
   - key: readability-identifier-naming.FunctionSuffix
     value: ''
+  - key: readability-identifier-naming.GetConfigPerFile
+    value: true
   - key: readability-identifier-naming.GlobalConstantCase
     value: UPPER_CASE
   - key: readability-identifier-naming.GlobalConstantPrefix
@@ -121,6 +123,8 @@ CheckOptions:
     value: ''
   - key: readability-identifier-naming.GlobalVariableSuffix
     value: ''
+  - key: readability-identifier-naming.IgnoreMainLikeFunctions
+    value: true
   - key: readability-identifier-naming.InlineNamespaceCase
     value: lower_case
   - key: readability-identifier-naming.InlineNamespacePrefix
@@ -151,6 +155,12 @@ CheckOptions:
     value: ''
   - key: readability-identifier-naming.LocalVariableSuffix
     value: ''
+  - key: readability-identifier-naming.MacroDefinitionCase
+    value: UPPER_CASE
+  - key: readability-identifier-naming.MacroDefinitionPrefix
+    value: ''
+  - key: readability-identifier-naming.MacroDefinitionSuffix
+    value: ''
   - key: readability-identifier-naming.MemberCase
     value: UPPER_CASE
   - key: readability-identifier-naming.MemberPrefix
@@ -223,6 +233,12 @@ CheckOptions:
     value: ''
   - key: readability-identifier-naming.PublicMethodSuffix
     value: ''
+  - key: readability-identifier-naming.ScopedEnumConstantCase
+    value: CamelCase
+  - key: readability-identifier-naming.ScopedEnumConstantPrefix
+    value: ''
+  - key: readability-identifier-naming.ScopedEnumConstantSuffix
+    value: ''
   - key: readability-identifier-naming.StaticConstantCase
     value: camelBack
   - key: readability-identifier-naming.StaticConstantPrefix
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..057c3f3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+compile_commands.json
+
diff --git a/Makefile b/Makefile
index 83273c6..f309bfc 100644
--- a/Makefile
+++ b/Makefile
@@ -71,5 +71,5 @@ res: $(RESULTS)
 	$(CXX) $(CXXFLAGS) -c $< -o /dev/null
 
 %.txt : %.cpp
-	clang-tidy-8 -quiet $<
+	clang-tidy-12 -quiet $<
 
diff --git a/compile_commands.json b/compile_commands.json
deleted file mode 100644
index c418282..0000000
--- a/compile_commands.json
+++ /dev/null
@@ -1,271 +0,0 @@
-[
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_LocalVariable.cpp",
-  "file": "test_LocalVariable.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Struct.cpp",
-  "file": "test_Struct.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_GlobalConstant.cpp",
-  "file": "test_GlobalConstant.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_VirtualMethod.cpp",
-  "file": "test_VirtualMethod.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Union.cpp",
-  "file": "test_Union.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_PointerParameter.cpp",
-  "file": "test_PointerParameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ProtectedMethod.cpp",
-  "file": "test_ProtectedMethod.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_TypeTemplateParameter.cpp",
-  "file": "test_TypeTemplateParameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_StaticConstant.cpp",
-  "file": "test_StaticConstant.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ParameterPack.cpp",
-  "file": "test_ParameterPack.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_EnumConstant.cpp",
-  "file": "test_EnumConstant.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Function.cpp",
-  "file": "test_Function.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ValueTemplateParameter.cpp",
-  "file": "test_ValueTemplateParameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ClassMember.cpp",
-  "file": "test_ClassMember.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Typedef.cpp",
-  "file": "test_Typedef.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ConstexprVariable.cpp",
-  "file": "test_ConstexprVariable.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ConstantMember.cpp",
-  "file": "test_ConstantMember.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ConstantParameter.cpp",
-  "file": "test_ConstantParameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ClassMethod.cpp",
-  "file": "test_ClassMethod.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ProtectedMember.cpp",
-  "file": "test_ProtectedMember.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ClassConstant.cpp",
-  "file": "test_ClassConstant.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_PrivateMethod.cpp",
-  "file": "test_PrivateMethod.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_InlineNamespace.cpp",
-  "file": "test_InlineNamespace.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Class.cpp",
-  "file": "test_Class.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_PublicMember.cpp",
-  "file": "test_PublicMember.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_TemplateTemplateParameter.cpp",
-  "file": "test_TemplateTemplateParameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_GlobalPointer.cpp",
-  "file": "test_GlobalPointer.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_GlobalFunction.cpp",
-  "file": "test_GlobalFunction.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Enum.cpp",
-  "file": "test_Enum.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_PublicMethod.cpp",
-  "file": "test_PublicMethod.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_LocalPointer.cpp",
-  "file": "test_LocalPointer.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Namespace.cpp",
-  "file": "test_Namespace.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_AbstractClass.cpp",
-  "file": "test_AbstractClass.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_TemplateParameter.cpp",
-  "file": "test_TemplateParameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_TypeAlias.cpp",
-  "file": "test_TypeAlias.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ConstantPointerParameter.cpp",
-  "file": "test_ConstantPointerParameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_Parameter.cpp",
-  "file": "test_Parameter.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ConstexprFunction.cpp",
-  "file": "test_ConstexprFunction.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_LocalConstantPointer.cpp",
-  "file": "test_LocalConstantPointer.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_LocalConstant.cpp",
-  "file": "test_LocalConstant.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_StaticVariable.cpp",
-  "file": "test_StaticVariable.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_GlobalConstantPointer.cpp",
-  "file": "test_GlobalConstantPointer.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_GlobalVariable.cpp",
-  "file": "test_GlobalVariable.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_PrivateMember.cpp",
-  "file": "test_PrivateMember.cpp"
-},
-
-{
-  "directory": "/home/a/work/proj/doc/clang-tidy2",
-  "command": "g++ -c -o /dev/null test_ConstexprMethod.cpp",
-  "file": "test_ConstexprMethod.cpp"
-}
-]