Enforce coding style using clang-tidy

.clang-tidy

@@ -0,0 +1,49 @@
+---
+Checks: >
+  -*,
+  cppcoreguidelines-non-private-member-variables-in-classes,
+  cppcoreguidelines-prefer-member-initializer,
+  cppcoreguidelines-pro-type-cstyle-cast,
+  misc-const-correctness,
+  misc-unused-parameters,
+  modernize-loop-convert,
+  modernize-use-auto,
+  modernize-use-nullptr,
+  readability-magic-numbers
+  readability-braces-around-statements,
+  readability-identifier-naming,
+  readability-make-member-function-const,
+  performance-for-range-copy,
+  performance-enum-size,
+  performance-move-const-arg,
+  performance-no-automatic-move,
+  performance-noexcept-destructor,
+  performance-noexcept-move-constructor,
+  performance-noexcept-swap,
+  performance-unnecessary-copy-initialization,
+  performance-unnecessary-value-param,
+  performance-use-std-move,
+  performance-move-constructor-init,
+HeaderFilterRegex: 'src/.*'
+WarningsAsErrors: '*'
+CheckOptions:
+  - key:    readability-identifier-naming.VariableCase
+    value:  camelBack
+  - key:    readability-identifier-naming.FunctionCase
+    value:  camelBack
+  - key:    readability-identifier-naming.ClassCase
+    value:  CamelCase
+  - key:    readability-identifier-naming.MemberCase
+    value:  camelBack
+  - key:   misc-const-correctness.TransformValues
+    value: 'true'
+  # required because using "-fix" puts "const" after the typename instead of before
+  - key:             misc-const-correctness.TransformValues
+    value:           'false'
+  - key:             misc-const-correctness.TransformReferences
+    value:           'false'
+  - key:             misc-const-correctness.TransformPointersAsValues
+    value:           'false'
+  - key:             misc-const-correctness.TransformPointersAsPointers
+    value:           'false'
+...

.github/workflows/linter.yml

@@ -43,17 +43,63 @@ jobs:
     - name: Uninstall old conflicting packages
       run: sudo apt purge --assume-yes --auto-remove llvm python3-lldb-14 llvm-14
 
-    - name: Install automatic LLVM 16
-      run: wget https://apt.llvm.org/llvm.sh -O /tmp/llvm-install.sh; chmod +x /tmp/llvm-install.sh; sudo /tmp/llvm-install.sh 16
+    - name: Install automatic LLVM 20
+      run: wget https://apt.llvm.org/llvm.sh -O /tmp/llvm-install.sh; chmod +x /tmp/llvm-install.sh; sudo /tmp/llvm-install.sh 20
 
-    - name: Install clang-format-16
-      run: sudo apt --assume-yes install clang-format-16
+    - name: Install clang-format-20
+      run: sudo apt --assume-yes install clang-format-20
 
     - name: Install gitpython
       run: sudo pip install gitpython
 
     - name: Run clang-format
       run: |
-        sudo update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-16 160
+        sudo update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-20 200
         clang-format --version
         python scripts/clang-format.py --check --verbose
+
+  clang-tidy:
+    needs: changes
+    # if: ${{ needs.changes.outputs.code == 'true' }}
+    runs-on: ubuntu-22.04
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Build Dependencies
+      run: |
+        sudo apt update
+        sudo apt install -y \
+          build-essential cmake ninja-build meson \
+          qt6-base-dev qt6-tools-dev \
+          qt6-tools-dev-tools libqt6svg6-dev libqt6core5compat6-dev \
+          libqt6svgwidgets6 qt6-l10n-tools \
+          libgl1-mesa-dev libglu1-mesa-dev 
+
+    - name: Install automatic LLVM 20
+      run: wget https://apt.llvm.org/llvm.sh -O /tmp/llvm-install.sh; chmod +x /tmp/llvm-install.sh; sudo /tmp/llvm-install.sh 20
+
+    - name: Install clang-tidy-20
+      run: |
+        sudo apt --assume-yes install clang-tidy-20
+
+    - name: CMake Configuration
+      run: |
+        cmake -S . -B build \
+          -G Ninja \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DCUTTER_QT=6 \
+          -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
+
+    - name: Run autogen
+      run: |
+        cmake --build build --target Cutter_autogen
+
+    - name: Run Clang-Tidy
+      run: |
+        sudo update-alternatives --install /usr/bin/clang-tidy clang-tidy /usr/bin/clang-tidy-20 200
+        sudo update-alternatives --install /usr/bin/run-clang-tidy run-clang-tidy /usr/bin/run-clang-tidy-20 200
+        clang-tidy -version
+        python3 scripts/clang-tidy.py

_clang-format

@@ -1,6 +1,6 @@
 # Do not edit this file! Automatically generated using scripts/udate_clang_format.sh and scripts/_clang_format
 # See update_clang_format.sh for more information.
-# generated using clang-format version 8.0.0-3~ubuntu16.04.1 (tags/RELEASE_800/final)
+# generated using clang-format version 8.0.1 
 ---
 Language:        Cpp
 AccessModifierOffset: -4
@@ -67,14 +67,14 @@ ForEachMacros:
   - QBENCHMARK
   - QBENCHMARK_ONCE
   - CutterRzListForeach
-IncludeBlocks:   Preserve
+IncludeBlocks:   Regroup
 IncludeCategories: 
-  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+  - Regex:           '^"([^"]*)"'
+    Priority:        1
+  - Regex:           '^<[Qq]'
     Priority:        2
-  - Regex:           '^(<|"(gtest|gmock|isl|json)/)'
-    Priority:        3
   - Regex:           '.*'
-    Priority:        1
+    Priority:        3
 IncludeIsMainRegex: '(Test)?$'
 IndentCaseLabels: false
 IndentPPDirectives: AfterHash
@@ -101,7 +101,7 @@ PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 60
 PointerAlignment: Right
 ReflowComments:  true
-SortIncludes:    false
+SortIncludes:    true
 SortUsingDeclarations: true
 SpaceAfterCStyleCast: false
 SpaceAfterTemplateKeyword: false
@@ -125,3 +125,4 @@ StatementMacros:
 TabWidth:        8
 UseTab:          Never
 ...
+

docs/source/conf.py

@@ -20,7 +20,7 @@
 # -- Project information -----------------------------------------------------
 
 project = 'Cutter'
-copyright = '2020, The Cutter Developers'
+copyright = '2026, The Cutter Developers'
 author = 'The Cutter Developers'
 
 # The short X.Y version