Introduce basic linting infrastructure

.clang-format

@@ -0,0 +1,242 @@
+---
+Language:        Cpp
+AccessModifierOffset: -2
+AlignAfterOpenBracket: Align
+AlignArrayOfStructures: None
+AlignConsecutiveAssignments:
+  Enabled:         true
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    true
+AlignConsecutiveBitFields:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    false
+AlignConsecutiveDeclarations:
+  Enabled:         true
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    true
+AlignConsecutiveMacros:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    false
+AlignConsecutiveShortCaseStatements:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCaseColons: false
+AlignEscapedNewlines: Left
+AlignOperands:   Align
+AlignTrailingComments:
+  Kind:            Always
+  OverEmptyLines:  0
+AllowAllArgumentsOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: Never
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortEnumsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: Yes
+AttributeMacros:
+  - __capability
+BinPackArguments: false
+BinPackParameters: false
+BitFieldColonSpacing: Both
+BraceWrapping:
+  AfterCaseLabel:  false
+  AfterClass:      false
+  AfterControlStatement: Never
+  AfterEnum:       false
+  AfterExternBlock: false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  BeforeLambdaBody: false
+  BeforeWhile:     false
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakAfterAttributes: Never
+BreakAfterJavaFieldAnnotations: false
+BreakArrays:     true
+BreakBeforeBinaryOperators: None
+BreakBeforeConceptDeclarations: Always
+BreakBeforeBraces: Custom
+BreakBeforeInlineASMColon: OnlyMultiline
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeColon
+BreakInheritanceList: BeforeColon
+BreakStringLiterals: true
+# Please update .markdownlint.yaml if this line is to be updated
+ColumnLimit:     119
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+EmptyLineAfterAccessModifier: Never
+EmptyLineBeforeAccessModifier: LogicalBlock
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IfMacros:
+  - KJ_IF_MAYBE
+IncludeBlocks:   Preserve
+IncludeCategories:
+  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+    Priority:        2
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '^(<|"(gtest|isl|json)/)'
+    Priority:        3
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '.*'
+    Priority:        1
+    SortPriority:    0
+    CaseSensitive:   false
+IncludeIsMainRegex: '$'
+IncludeIsMainSourceRegex: ''
+IndentAccessModifiers: false
+IndentCaseBlocks: false
+IndentCaseLabels: false
+IndentExternBlock: AfterExternBlock
+IndentGotoLabels: true
+IndentPPDirectives: None
+IndentRequiresClause: true
+IndentWidth:     4
+IndentWrappedFunctionNames: false
+InsertBraces:    false
+InsertNewlineAtEOF: false
+InsertTrailingCommas: None
+IntegerLiteralSeparator:
+  Binary:          0
+  BinaryMinDigits: 0
+  Decimal:         0
+  DecimalMinDigits: 0
+  Hex:             0
+  HexMinDigits:    0
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: true
+KeepEmptyLinesAtEOF: false
+LambdaBodyIndentation: Signature
+LineEnding:      DeriveLF
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBinPackProtocolList: Auto
+ObjCBlockIndentWidth: 4
+ObjCBreakBeforeNestedBlockParam: true
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PackConstructorInitializers: NextLine
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakOpenParenthesis: 0
+PenaltyBreakString: 1000
+PenaltyBreakTemplateDeclaration: 10
+PenaltyExcessCharacter: 1000000
+PenaltyIndentedWhitespace: 0
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Left
+PPIndentWidth:   -1
+QualifierAlignment: Custom
+QualifierOrder:
+  - inline
+  - static
+  - constexpr
+  - const
+  - volatile
+  - type
+ReferenceAlignment: Pointer
+ReflowComments:  true
+RemoveBracesLLVM: false
+RemoveParentheses: Leave
+RemoveSemicolon: false
+RequiresClausePosition: OwnLine
+RequiresExpressionIndentation: OuterScope
+SeparateDefinitionBlocks: Leave
+ShortNamespaceLines: 1
+SortIncludes:    Never
+SortJavaStaticImport: Before
+SortUsingDeclarations: LexicographicNumeric
+SpaceAfterCStyleCast: false
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: true
+SpaceAroundPointerQualifiers: Default
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCaseColon: false
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeJsonColon: false
+SpaceBeforeParens: ControlStatements
+SpaceBeforeParensOptions:
+  AfterControlStatements: true
+  AfterForeachMacros: true
+  AfterFunctionDefinitionName: false
+  AfterFunctionDeclarationName: false
+  AfterIfMacros:   true
+  AfterOverloadedOperator: false
+  AfterRequiresInClause: false
+  AfterRequiresInExpression: false
+  BeforeNonEmptyParentheses: false
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceBeforeSquareBrackets: false
+SpaceInEmptyBlock: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  Never
+SpacesInContainerLiterals: true
+SpacesInLineCommentPrefix:
+  Minimum:         1
+  Maximum:         -1
+SpacesInParens:  Never
+SpacesInParensOptions:
+  InCStyleCasts:   false
+  InConditionalStatements: false
+  InEmptyParentheses: false
+  Other:           false
+SpacesInSquareBrackets: false
+Standard:        Auto
+StatementAttributeLikeMacros:
+  - Q_EMIT
+StatementMacros:
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
+TabWidth:        8
+UseTab:          Never
+VerilogBreakBetweenInstancePorts: true
+WhitespaceSensitiveMacros:
+  - STRINGIZE
+  - PP_STRINGIZE
+  - BOOST_PP_STRINGIZE
+  - NS_SWIFT_NAME
+  - CF_SWIFT_NAME
+...

.github/CODEOWNERS

@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 # Codeowners for reviews on PRs
 
-*  @bretbrownjr @camio @dietmarkuehl @neatudarius @steve-downey 
+*  @bretbrownjr @camio @dietmarkuehl @neatudarius @steve-downey

.github/workflows/ci_tests.yml

@@ -75,20 +75,20 @@ jobs:
     needs: [test]
     if: failure() && github.event_name == 'schedule'
     steps:
-      # See https://github.com/cli/cli/issues/5075 
+      # See https://github.com/cli/cli/issues/5075
       - uses: actions/checkout@v4
       - name: Create issue
         run: |
           issue_num=$(gh issue list -s open -S "[SCHEDULED-BUILD] Build & Test failure" -L 1 --json number | jq 'if length == 0 then -1 else .[0].number end')
-          
+
           body="**Build-and-Test Failure Report**
           - **Time of Failure**: $(date -u '+%B %d, %Y, %H:%M %Z')
           - **Commit**: [${{ github.sha }}](${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }})
           - **Action Run**: [View logs](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})
-          
+
           The scheduled build-and-test triggered by cron has failed.
           Please investigate the logs and recent changes associated with this commit or rerun the workflow if you believe this is an error."
-          
+
           if [[ $issue_num -eq -1 ]]; then
             gh issue create --repo ${{ github.repository }} --title "[SCHEDULED-BUILD] Build & Test failure" --body "$body"
           else

.github/workflows/pre-commit.yml

@@ -0,0 +1,24 @@
+name: Lint Check (pre-commit)
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+
+      - name: Get Changed Files
+        id: changed-files
+        uses: tj-actions/changed-files@v45
+
+        # See:
+        # https://github.com/tj-actions/changed-files?tab=readme-ov-file#using-local-git-directory-
+      - uses: pre-commit/[email protected]
+        with:
+          extra_args: --files ${{ steps.changed-files.outputs.all_changed_files }}

.markdownlint.yaml

@@ -0,0 +1,9 @@
+# MD033/no-inline-html : Inline HTML : https://github.com/DavidAnson/markdownlint/blob/v0.35.0/doc/md033.md
+# Disable inline html linter is needed for <details> <summary>
+MD033: false
+
+# MD013/line-length : Line length : https://github.com/DavidAnson/markdownlint/blob/v0.35.0/doc/md013.md
+# Conforms to .clang-format ColumnLimit
+# Update the comment in .clang-format if we no-longer tie these two column limits.
+MD013:
+  line_length: 119

.pre-commit-config.yaml

@@ -0,0 +1,33 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+    -   id: check-yaml
+    -   id: check-added-large-files
+
+    # Clang-format for C++
+    # This brings in a portable version of clang-format.
+    # See also: https://github.com/ssciwr/clang-format-wheel
+  - repo: https://github.com/pre-commit/mirrors-clang-format
+    rev: v18.1.8
+    hooks:
+    - id: clang-format
+      types_or: [c++, c]
+
+    # CMake linting and formatting
+  - repo: https://github.com/BlankSpruce/gersemi
+    rev: 0.15.1
+    hooks:
+    - id: gersemi
+      name: CMake linting
+
+    # Markdown linting
+    # Config file: .markdownlint.yaml
+  - repo: https://github.com/igorshubovych/markdownlint-cli
+    rev: v0.42.0
+    hooks:
+    - id: markdownlint

CMakeLists.txt

@@ -3,29 +3,31 @@
 cmake_minimum_required(VERSION 3.25)
 
 project(
-  beman.exemplar # CMake Project Name, which is also the name of the top-level
-                 # targets (e.g., library, executable, etc.).
-  DESCRIPTION "A Beman library exemplar"
-  LANGUAGES CXX)
+    beman.exemplar # CMake Project Name, which is also the name of the top-level
+    # targets (e.g., library, executable, etc.).
+    DESCRIPTION "A Beman library exemplar"
+    LANGUAGES CXX
+)
 
 include(CTest)
 include(FetchContent)
 
 if(BUILD_TESTING)
-  enable_testing()
+    enable_testing()
 
-  # Fetch GoogleTest
-  FetchContent_Declare(
-    googletest
-    GIT_REPOSITORY https://github.com/google/googletest.git
-    GIT_TAG f8d7d77c06936315286eb55f8de22cd23c188571 # release-1.14.0
-    EXCLUDE_FROM_ALL
-  )
-  block()
-    set(INSTALL_GTEST OFF) # Disable GoogleTest installation
-    set(BUILD_TESTING OFF) # Disable GoogleTest tests
-    FetchContent_MakeAvailable(googletest)
-  endblock()
+    # Fetch GoogleTest
+    FetchContent_Declare(
+        googletest
+        GIT_REPOSITORY https://github.com/google/googletest.git
+        GIT_TAG
+            f8d7d77c06936315286eb55f8de22cd23c188571 # release-1.14.0
+        EXCLUDE_FROM_ALL
+    )
+    block()
+        set(INSTALL_GTEST OFF) # Disable GoogleTest installation
+        set(BUILD_TESTING OFF) # Disable GoogleTest tests
+        FetchContent_MakeAvailable(googletest)
+    endblock()
 endif()
 
 add_subdirectory(src/beman/exemplar)