mccc/.clang-format at master · DeguiLiu/mccc · GitHub

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# .clang-format
# Google C++ Style Guide with Modern C++17 support
# Reference: https://google.github.io/styleguide/cppguide.html
# clang-format options: https://clang.llvm.org/docs/ClangFormatStyleOptions.html
#
# Usage:
#   clang-format -i <file>           # Format single file
#   ./scripts/format_all.sh          # Format all files in project

Language: Cpp
BasedOnStyle: Google
Standard: c++17

# =============================================================================
# Indentation
# =============================================================================
IndentWidth: 2
TabWidth: 2
UseTab: Never
AccessModifierOffset: -1
IndentCaseLabels: true
IndentPPDirectives: None
IndentWrappedFunctionNames: false
NamespaceIndentation: None

# =============================================================================
# Line Width and Wrapping
# =============================================================================
ColumnLimit: 120
ContinuationIndentWidth: 4

# =============================================================================
# Braces and Blocks
# =============================================================================
BreakBeforeBraces: Attach
Cpp11BracedListStyle: true

# =============================================================================
# Alignment
# =============================================================================
AlignAfterOpenBracket: Align
AlignConsecutiveAssignments: false
AlignConsecutiveDeclarations: false
AlignEscapedNewlines: Left
AlignOperands: true
AlignTrailingComments: true

# =============================================================================
# Short Statements (Single Line)
# =============================================================================
AllowAllArgumentsOnNextLine: true
AllowAllParametersOfDeclarationOnNextLine: true
AllowShortBlocksOnASingleLine: Empty
AllowShortCaseLabelsOnASingleLine: false
AllowShortEnumsOnASingleLine: true
AllowShortFunctionsOnASingleLine: Inline
AllowShortIfStatementsOnASingleLine: Never
AllowShortLambdasOnASingleLine: All
AllowShortLoopsOnASingleLine: false

# =============================================================================
# Breaking Rules
# =============================================================================
AlwaysBreakAfterReturnType: None
AlwaysBreakBeforeMultilineStrings: true
AlwaysBreakTemplateDeclarations: Yes
BinPackArguments: true
BinPackParameters: true
BreakBeforeBinaryOperators: None
BreakBeforeTernaryOperators: true
BreakConstructorInitializers: BeforeColon
BreakInheritanceList: BeforeColon
BreakStringLiterals: true

# =============================================================================
# Spaces
# =============================================================================
SpaceAfterCStyleCast: false
SpaceAfterLogicalNot: false
SpaceAfterTemplateKeyword: true
SpaceBeforeAssignmentOperators: true
SpaceBeforeCpp11BracedList: false
SpaceBeforeCtorInitializerColon: true
SpaceBeforeInheritanceColon: true
SpaceBeforeParens: ControlStatements
SpaceBeforeRangeBasedForLoopColon: true
SpaceInEmptyBlock: false
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 2
SpacesInAngles: false
SpacesInCStyleCastParentheses: false
SpacesInContainerLiterals: true
SpacesInParentheses: false
SpacesInSquareBrackets: false

# =============================================================================
# Include Sorting (Google Style)
# =============================================================================
IncludeBlocks: Regroup
IncludeCategories:
  # Main header (same name as .cpp file)
  - Regex: '^"[^/]*\.(h|hpp)"$'
    Priority: 1
  # Project headers
  - Regex: '^".*"$'
    Priority: 2
  # C++ wrappers for C headers
  - Regex: '^<c(assert|ctype|errno|fenv|float|inttypes|limits|locale|math|setjmp|signal|stdarg|stddef|stdint|stdio|stdlib|string|time|uchar|wchar|wctype)>$'
    Priority: 3
  # C++ standard library headers
  - Regex: '^<.*>$'
    Priority: 4
SortIncludes: true
SortUsingDeclarations: true

# =============================================================================
# Pointers and References
# =============================================================================
DerivePointerAlignment: false
PointerAlignment: Left

# =============================================================================
# Namespace and Comments
# =============================================================================
CompactNamespaces: false
FixNamespaceComments: true
MaxEmptyLinesToKeep: 1
ReflowComments: true
CommentPragmas: '^ IWYU pragma:|^ NOLINT'

# =============================================================================
# Penalties (Line Breaking Decisions)
# =============================================================================
PenaltyBreakAssignment: 2
PenaltyBreakBeforeFirstCallParameter: 19
PenaltyBreakComment: 300
PenaltyBreakFirstLessLess: 120
PenaltyBreakString: 1000
PenaltyBreakTemplateDeclaration: 10
PenaltyExcessCharacter: 1000000
PenaltyReturnTypeOnItsOwnLine: 200