ci: add clang checks (format and tidy)

.clang-format

@@ -0,0 +1,36 @@
+---
+Language: Cpp
+Standard: c++20
+BasedOnStyle: LLVM
+
+IndentWidth: 4
+TabWidth: 4
+NamespaceIndentation: All
+AccessModifierOffset: -4
+
+ColumnLimit: 120
+
+PenaltyReturnTypeOnItsOwnLine: 1000
+
+BinPackParameters: false
+BinPackArguments: false
+AlignAfterOpenBracket: BlockIndent
+
+AllowShortFunctionsOnASingleLine: None
+InsertBraces: true
+AllowShortLambdasOnASingleLine: Empty
+
+BreakConstructorInitializers: AfterColon
+PackConstructorInitializers: CurrentLine
+
+PointerAlignment: Left
+ReferenceAlignment: Left
+
+SpaceAfterTemplateKeyword: false
+AlwaysBreakTemplateDeclarations: No
+
+SortIncludes: Never
+
+AlignTrailingComments:
+  Kind: Always
+  OverEmptyLines: 2

.clang-tidy

@@ -0,0 +1,55 @@
+Checks: >
+  readability-identifier-naming,
+  readability-implicit-bool-conversion,
+  misc-const-correctness,
+  -clang-diagnostic-error
+
+CheckOptions:
+  - key: readability-identifier-naming.ClassCase
+    value: lower_case
+  - key: readability-identifier-naming.StructCase
+    value: lower_case
+
+  - key: readability-identifier-naming.FunctionCase
+    value: lower_case
+  - key: readability-identifier-naming.MethodCase
+    value: lower_case
+  - key: readability-identifier-naming.MethodIgnoredRegexp
+    value: '^[A-Z][A-Z0-9_]*$'
+
+  - key: readability-identifier-naming.VariableCase
+    value: lower_case
+  - key: readability-identifier-naming.VariableIgnoredRegexp
+    value: '^[A-Z][A-Z0-9_]*$'
+  - key: readability-identifier-naming.LocalVariableCase
+    value: lower_case
+  - key: readability-identifier-naming.ParameterCase
+    value: lower_case
+
+  - key: readability-identifier-naming.MemberCase
+    value: lower_case
+  - key: readability-identifier-naming.MemberIgnoredRegexp
+    value: '^([A-Z][A-Z0-9_]*|[a-z][a-z0-9_]*_)$'
+  - key: readability-identifier-naming.PrivateMemberSuffix
+    value: '_'
+  - key: readability-identifier-naming.ProtectedMemberSuffix
+    value: '_'
+  - key: readability-identifier-naming.ConstantMemberIgnoredRegexp
+    value: '^[A-Z][A-Z0-9_]*$'
+
+  - key: readability-identifier-naming.EnumConstantCase
+    value: CamelCase
+
+  - key: readability-identifier-naming.EnumCase
+    value: lower_case
+
+  - key: readability-identifier-naming.TemplateParameterCase
+    value: CamelCase
+
+  - key: readability-identifier-naming.NamespaceCase
+    value: lower_case
+
+  - key: readability-identifier-naming.TypeAliasCase
+    value: lower_case
+  - key: readability-identifier-naming.TypeAliasIgnoredRegexp
+    value: '^[A-Z]$'

.github/workflows/ci.yml

@@ -107,10 +107,38 @@ jobs:
           alert-threshold: '150%'
           fail-on-alert: true
 
+  clang-format:
+    name: Clang Format
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check formatting
+        run: |
+          find include tests -name "*.h" -o -name "*.cpp" | \
+          xargs clang-format --dry-run --Werror
+
+  clang-tidy:
+    name: Clang Tidy
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Clang-Tidy 19
+        run: |
+          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
+          echo "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-19 main" | sudo tee /etc/apt/sources.list.d/llvm.list
+          sudo apt-get update
+          sudo apt-get install -y clang-tidy-19
+      - name: Check tidy
+        run: |
+          find include -name "*.h" -o -name "*.cpp" | \
+          xargs -I{} clang-tidy-19 {} -- -x c++ -std=c++20 -I include -include cstdint -include cstddef
+
   all-checks:
     name: All Checks
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request'
-    needs: [unittests]
+    needs: [unittests, clang-format, clang-tidy]
     steps:
       - run: echo "All checks passed"

.gitignore

@@ -18,4 +18,5 @@ install/
 *.tlog
 *.user
 *.iml
-*.xml
+*.xml
+*.bat