.clang-tidy

---
Checks:
  # - clang-analyzer-* # enabled by default
  # - clang-diagnostic-* # enabled by default
  - -clang-diagnostic-unknown-pragmas
  - bugprone-*
  - -bugprone-assert-side-effect
  - -bugprone-bad-signal-to-kill-thread
  - -bugprone-bitwise-pointer-cast
  - -bugprone-bool-pointer-implicit-conversion
  - -bugprone-compare-pointer-to-member-virtual-function
  - -bugprone-crtp-constructor-accessibility
  - -bugprone-easily-swappable-parameters # Too sensitive
  - -bugprone-forwarding-reference-overload
  - -bugprone-implicit-widening-of-multiplication-result # Specific cases irrelevant in this repo
  - -bugprone-lambda-function-name
  - -bugprone-no-escape
  - -bugprone-posix-return
  - -bugprone-signal-handler
  - -bugprone-signed-char-misuse # Specific use cases. Probably very rare.
  - -bugprone-spuriously-wake-up-functions
  - -bugprone-suspicious-stringview-data-usage # Probably harmless in this repo
  - -bugprone-unused-raii
  - cppcoreguidelines-avoid-const-or-ref-data-members
  - cppcoreguidelines-avoid-goto
  - cppcoreguidelines-avoid-non-const-global-variables
  - cppcoreguidelines-init-variables
  - cppcoreguidelines-macro-usage
  - cppcoreguidelines-misleading-capture-default-by-value
  - cppcoreguidelines-missing-std-forward
  - cppcoreguidelines-prefer-member-initializer
  - cppcoreguidelines-pro-bounds-array-to-pointer-decay
  - cppcoreguidelines-pro-type-const-cast
  - cppcoreguidelines-pro-type-cstyle-cast
  - cppcoreguidelines-pro-type-member-init
  - cppcoreguidelines-pro-type-reinterpret-cast
  - cppcoreguidelines-pro-type-static-cast-downcast
  - cppcoreguidelines-pro-type-union-access
  - cppcoreguidelines-rvalue-reference-param-not-moved
  - cppcoreguidelines-slicing
  - cppcoreguidelines-virtual-class-destructor
  - google-default-arguments
  # - google-explicit-constructor # triggered for O2 columns
  - google-global-names-in-headers
  # - misc-const-correctness # to be checked
  - misc-header-include-cycle
  - misc-include-cleaner
  - misc-misplaced-const
  - misc-redundant-expression
  - misc-unconventional-assign-operator
  - misc-unused-alias-decls
  - misc-unused-parameters
  - misc-unused-using-decls
  - modernize-avoid-bind
  - modernize-avoid-c-arrays
  - modernize-concat-nested-namespaces
  - modernize-deprecated-headers
  - modernize-make-shared
  - modernize-make-unique
  - modernize-redundant-void-arg
  - modernize-return-braced-init-list
  - modernize-use-auto
  - modernize-use-default-member-init
  - modernize-use-designated-initializers
  - modernize-use-equals-default
  - modernize-use-equals-delete
  - modernize-use-nodiscard
  - modernize-use-nullptr
  - modernize-use-override
  - modernize-use-starts-ends-with
  - performance-for-range-copy
  - performance-implicit-conversion-in-loop
  - performance-inefficient-algorithm
  - performance-inefficient-string-concatenation
  - performance-inefficient-vector-operation
  - performance-move-const-arg
  - performance-no-automatic-move
  - performance-trivially-destructible
  - performance-type-promotion-in-math-fn
  - performance-unnecessary-copy-initialization
  - performance-unnecessary-value-param # slow
  - readability-avoid-unconditional-preprocessor-if
  - readability-braces-around-statements
  - readability-const-return-type
  - readability-container-contains
  - readability-container-data-pointer
  - readability-container-size-empty
  - readability-delete-null-pointer
  - readability-duplicate-include
  - readability-else-after-return
  - readability-enum-initial-value
  - readability-implicit-bool-conversion
  - readability-inconsistent-declaration-parameter-name
  - readability-misplaced-array-index
  - readability-non-const-parameter
  - readability-redundant-access-specifiers
  - readability-redundant-casting
  - readability-redundant-control-flow
  - readability-redundant-declaration
  - readability-redundant-member-init
  - readability-redundant-preprocessor
  - readability-redundant-string-cstr
  - readability-redundant-string-init
  - readability-reference-to-constructed-temporary
  - readability-simplify-boolean-expr
  - readability-static-definition-in-anonymous-namespace
  - readability-string-compare
  - readability-suspicious-call-argument
# Select which of the enabled checks should be reported as errors instead of warnings.
WarningsAsErrors: >-
  *,
  -readability-braces-around-statements,
  -readability-suspicious-call-argument,
  -modernize-*,
  -readability-*,
  -bugprone-assignment-in-if-condition,
  -bugprone-branch-clone,
  -bugprone-copy-constructor-init,
  -bugprone-empty-catch,
  -bugprone-exception-escape,
  -bugprone-fold-init-type,
  -bugprone-incorrect-roundings,
  -bugprone-integer-division,
  -bugprone-macro-parentheses,
  -bugprone-narrowing-conversions,
  -bugprone-non-zero-enum-to-bool-conversion,
  -bugprone-redundant-branch-condition,
  -bugprone-reserved-identifier,
  -bugprone-suspicious-include,
  -bugprone-suspicious-missing-comma,
  -bugprone-switch-missing-default-case,
  -bugprone-too-small-loop-variable,
  -bugprone-unchecked-optional-access,
  -bugprone-unsafe-functions,
  -bugprone-unused-local-non-trivial-variable,
  -cppcoreguidelines-avoid-const-or-ref-data-members,
  -cppcoreguidelines-avoid-non-const-global-variables,
  -cppcoreguidelines-init-variables,
  -cppcoreguidelines-macro-usage,
  -cppcoreguidelines-missing-std-forward,
  -cppcoreguidelines-prefer-member-initializer,
  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
  -cppcoreguidelines-pro-type-const-cast,
  -cppcoreguidelines-pro-type-cstyle-cast,
  -cppcoreguidelines-pro-type-member-init,
  -cppcoreguidelines-pro-type-reinterpret-cast,
  -cppcoreguidelines-pro-type-static-cast-downcast,
  -cppcoreguidelines-pro-type-union-access,
  -cppcoreguidelines-slicing,
  -cppcoreguidelines-virtual-class-destructor,
# Positives for the following checks are currently being fixed and should be reported as errors.
# clang-analyzer-*
# clang-diagnostic-*
# google-default-arguments
# misc-include-cleaner
# misc-redundant-expression
# misc-unused-parameters
# performance-for-range-copy
# performance-inefficient-string-concatenation
# performance-inefficient-vector-operation
# performance-move-const-arg
# performance-no-automatic-move
# performance-type-promotion-in-math-fn
# performance-unnecessary-copy-initialization
# performance-unnecessary-value-param
CheckOptions:
  modernize-avoid-c-arrays.AllowStringArrays: true
  # Common tolerated conversions
  bugprone-narrowing-conversions.WarnOnFloatingPointNarrowingConversion: false
  bugprone-narrowing-conversions.WarnOnIntegerNarrowingConversion: false
  bugprone-narrowing-conversions.WarnOnIntegerToFloatingPointNarrowingConversion: false
  readability-implicit-bool-conversion.AllowLogicalOperatorConversion: true
  readability-implicit-bool-conversion.AllowPointerConditions: true
  # Some data model structs are missing some special functions by design.
  cppcoreguidelines-special-member-functions.AllowMissingMoveFunctions: true
  # Naming conventions
  readability-identifier-naming.ClassCase: CamelCase
  readability-identifier-naming.ClassMemberPrefix: m
  readability-identifier-naming.ConceptCase: CamelCase
  readability-identifier-naming.ConstexprVariableCase: CamelCase
  readability-identifier-naming.EnumCase: CamelCase
  readability-identifier-naming.EnumConstantCase: CamelCase
  readability-identifier-naming.EnumConstantIgnoredRegexp: "^k?[A-Z][a-zA-Z0-9_]*$" # Allow "k" prefix and non-trailing underscores in PDG names.
  readability-identifier-naming.FunctionCase: camelBack
  readability-identifier-naming.MacroDefinitionCase: UPPER_CASE
  readability-identifier-naming.MacroDefinitionIgnoredRegexp: "^[A-Z][A-Z0-9_]*_$" # Allow the trailing underscore in header guards.
  readability-identifier-naming.MemberCase: camelBack
  readability-identifier-naming.NamespaceCase: lower_case
  readability-identifier-naming.ParameterCase: camelBack
  readability-identifier-naming.StructCase: CamelCase
  readability-identifier-naming.TemplateParameterCase: CamelCase
  readability-identifier-naming.TypeAliasCase: CamelCase
  readability-identifier-naming.TypedefCase: CamelCase
  readability-identifier-naming.TypeTemplateParameterCase: CamelCase
  readability-identifier-naming.VariableCase: camelBack
...