Update and enforce formatting for C/C++ (#1474)

.github/workflows/stylecheck.yml

@@ -66,3 +66,51 @@ jobs:
             git diff --color=always --minimal
             exit 1
           fi
+
+  clang-format:
+    runs-on: ubuntu-latest
+
+    env:
+      LLVM_VERSION: 18
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install clang-format
+        run: |
+          wget https://apt.llvm.org/llvm.sh
+          chmod +x llvm.sh
+          sudo ./llvm.sh ${{ env.LLVM_VERSION }}
+          rm -rf llvm.sh
+          sudo apt install clang-format-${{ env.LLVM_VERSION }}
+          git config --global clangFormat.binary "clang-format-${{ env.LLVM_VERSION }}"
+
+      - name: Fix formatting (pull_request)
+        if: ${{ github.event_name == 'pull_request' }}
+        continue-on-error: true
+        run: git clang-format-${{ env.LLVM_VERSION }} ${{ github.event.pull_request.base.sha }} --verbose
+
+      - name: Fix formatting (push)
+        if: ${{ github.event_name == 'push' }}
+        continue-on-error: true
+        run: git clang-format-${{ env.LLVM_VERSION }} HEAD~1 --verbose
+
+      - name: Ignore changes in external code
+        run: |
+          git restore ./Externals
+          git restore ./res
+          git restore ./sdk
+          git restore ./src/utils/mp_gpprof_server/libraries
+
+      - name: Report result
+        run: |
+          if [ -z "$(git status -s)" ]; then
+            echo Everything seems to be in order
+          else
+            echo Formatting problems found!
+            git diff --color=always --minimal
+            exit 1
+          fi

src/.clang-format

@@ -1,5 +1,7 @@
 ---
 Language: Cpp
+Standard: c++17
+
 AccessModifierOffset: -4
 AlignAfterOpenBracket: DontAlign
 AlignConsecutiveAssignments: false
@@ -9,8 +11,10 @@ AlignTrailingComments: false
 AllowAllParametersOfDeclarationOnNextLine: true
 AllowShortBlocksOnASingleLine: Never
 AllowShortCaseLabelsOnASingleLine: true
+AllowShortEnumsOnASingleLine: false
 AllowShortFunctionsOnASingleLine: All
 AllowShortIfStatementsOnASingleLine: Never
+AllowShortLambdasOnASingleLine: true
 AllowShortLoopsOnASingleLine: false
 AlwaysBreakAfterDefinitionReturnType: None
 AlwaysBreakAfterReturnType: None
@@ -19,6 +23,7 @@ AlwaysBreakTemplateDeclarations: Yes
 BinPackArguments: true
 BinPackParameters: true
 BraceWrapping:
+  AfterCaseLabel: true
   AfterClass: true
   AfterControlStatement: Always
   AfterEnum: true
@@ -30,18 +35,26 @@ BraceWrapping:
   BeforeCatch: true
   BeforeElse: true
   IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyNamespace: false
+  SplitEmptyRecord: false
+BreakAfterAttributes: Never
 BreakBeforeBinaryOperators: None
 BreakBeforeBraces: Custom
 BreakBeforeTernaryOperators: false
-BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeComma
 ColumnLimit: 120
 CommentPragmas: '^ (IWYU pragma:|NOLINT)'
+CompactNamespaces: false
 ConstructorInitializerAllOnOneLineOrOnePerLine: false
 ConstructorInitializerIndentWidth: 4
 ContinuationIndentWidth: 4
 Cpp11BracedListStyle: true
 DerivePointerAlignment: false
 DisableFormat: false
+EmptyLineAfterAccessModifier: Never
+EmptyLineBeforeAccessModifier: Always
+FixNamespaceComments: true
 ForEachMacros: [ ]
 IncludeCategories:
   - Regex: 'stdafx.h'
@@ -51,8 +64,11 @@ IncludeCategories:
   - Regex: '^"'
     Priority: 2
 IndentCaseLabels: false
+IndentPPDirectives: None
 IndentWidth: 4
 IndentWrappedFunctionNames: false
+InsertBraces: false
+InsertNewlineAtEOF: true
 KeepEmptyLinesAtTheStartOfBlocks: false
 MacroBlockBegin: ''
 MacroBlockEnd: ''
@@ -68,19 +84,29 @@ PenaltyBreakString: 1000
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 60
 PointerAlignment: Left
+QualifierAlignment: Left
+ReferenceAlignment: Left
 ReflowComments: true
-SortIncludes: false
+RemoveBracesLLVM: true
+RemoveParentheses: Leave
+SortIncludes: true
 SpaceAfterCStyleCast: false
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceAroundPointerQualifiers: Before
 SpaceBeforeAssignmentOperators: true
+SpaceBeforeCaseColon: false
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
 SpaceBeforeParens: ControlStatements
-SpaceInEmptyParentheses: false
+SpaceBeforeSquareBrackets: false
+SpaceInEmptyBlock: false
 SpacesBeforeTrailingComments: 1
-SpacesInAngles: false
+SpacesInAngles: Never
 SpacesInContainerLiterals: true
 SpacesInCStyleCastParentheses: false
-SpacesInParentheses: false
+SpacesInParens: Never
 SpacesInSquareBrackets: false
-Standard: c++11
 TabWidth: 4
 UseTab: Never
 ...