New .clang-tidy configuration to catch code problems.

.clang-tidy

@@ -1,9 +1,49 @@
 ---
-Checks:          'clang-diagnostic-*,clang-analyzer-*,-*,bugprone-*,cppcoreguidelines-*,clang-analyzer-*,misc-*,performance-*,readability-*-cppcoreguidelines-pro-type-const-cast,-cppcoreguidelines-pro-type-reinterpret-cast,-readability-function-size,-readability-simplify-boolean-expr,-cppcoreguidelines-pro-type-cstyle-cast,-performance-inefficient-string-concatenation,-cppcoreguidelines-pro-bounds-array-to-pointer-decay,-cppcoreguidelines-pro-type-vararg,-cppcoreguidelines-pro-bounds-pointer-arithmetic,-cppcoreguidelines-pro-bounds-constant-array-index'
+
+# Exceptions:
+# cppcoreguidelines-pro-type-cstyle-cast needed by GTK C casts.
+# readability-function-cognitive-complexity needed by UI constructors.
+# readability-convert-member-functions-to-static is triggered for many callbacks.
+
+Checks:          >
+  -abseil-*,
+  -altera-*,
+  -android-*,
+  -boost-*,
+  bugprone-*,
+  cert-*,
+  clang-analyzer-*,
+  concurrency-*,
+  cppcoreguidelines-*,
+  -cppcoreguidelines-pro-type-cstyle-cast,
+  -darwin-*,
+  -fuchsia-*,
+  google-*
+  hicpp-*,
+  -linuxkernel-*,
+  -llvm-*,
+  -llvmlibc-*,
+  misc-*,
+  modernize-*,
+  -modernize-use-trailing-return-type,
+  -mpi-*,
+  -objc-*,
+  openmp-*,
+  performance-*,
+  portability-*,
+  readability-*,
+  -readability-convert-member-functions-to-static,
+  -readability-function-cognitive-complexity,
+  -zircon-*
+
 WarningsAsErrors: ''
 HeaderFilterRegex: ''
-AnalyzeTemporaryDtors: true
 FormatStyle:     none
+
+# Fixits should align pointer to left
+DerivePointerAlignment: false
+PointerAlignment: Left
+
 CheckOptions:
   - key:             readability-braces-around-statements.ShortStatementLines
     value:           '2'
@@ -15,5 +55,7 @@ CheckOptions:
     value:           '1'
   - key:             readability-implicit-bool-cast.AllowConditionalPointerCasts
     value:           '1'
+  - key:             performance-unnecessary-value-param.AllowedTypes
+    value:           'RefPtr;Ptr$'
 ...