.clang-format

# clang-format-9
Language: Cpp
AccessModifierOffset: -4                            # public: private: 들여쓰기 offset
AlignAfterOpenBracket: Align                        # 매개변수 정렬
AlignConsecutiveMacros: true                        # 매크로 정렬
AlignConsecutiveAssignments: true                   # 연속적인 변수 초기화 정렬
AlignConsecutiveDeclarations: true                  # 연속적인 타입 변수 정렬
AlignEscapedNewlines: Left                          # \ 줄바꾸기 가장 가까운 쪽
AlignOperands: true                                 # 연산자 정렬
AlignTrailingComments: true                         # 끝의 주석 정렬

AllowAllConstructorInitializersOnNextLine: false
AllowAllParametersOfDeclarationOnNextLine: false    # 길면 한 줄에 하나씩

AllowShortBlocksOnASingleLine: true                 # 짧으면 한 줄로
AllowShortCaseLabelsOnASingleLine: true
AllowShortFunctionsOnASingleLine: All
AllowShortIfStatementsOnASingleLine: Always
AllowShortLambdasOnASingleLine: All
AllowShortLoopsOnASingleLine: true

AlwaysBreakAfterReturnType: None                    # 리턴타입 줄 바꿈
AlwaysBreakBeforeMultilineStrings: true             # 여러 줄 str 처음 줄 바꿈
AlwaysBreakTemplateDeclarations: Yes                # 템플릿 줄 바꿈

BinPackArguments: false                             # 매개변수 정렬
BinPackParameters: false                            # 선언시 매개변수 정렬

BreakBeforeBraces: Custom
BraceWrapping:                                      # 다음줄에 괄호를 시작할지 결정
  AfterCaseLabel:           false
  AfterClass:               false
  AfterControlStatement:    false
  AfterEnum:                false
  AfterFunction:            false
  AfterNamespace:           false
  AfterStruct:              false
  AfterUnion:               false
  AfterExternBlock:         false
  BeforeCatch:              false
  BeforeElse:               false
  IndentBraces:             false
  SplitEmptyFunction:       false
  SplitEmptyRecord:         false
  SplitEmptyNamespace:      false

BreakBeforeBinaryOperators: All                     # 연산자 전에 줄 바꿈
BreakBeforeTernaryOperators: true                   # ? : (삼항)연산자 전에 줄 바꿈
BreakConstructorInitializers: BeforeComma
BreakInheritanceList: BeforeComma

ColumnLimit: 80                                     # 한 줄 간격
# CommentPragmas: '^ IWYU pragma:'
CompactNamespaces: false
ConstructorInitializerAllOnOneLineOrOnePerLine: false
ConstructorInitializerIndentWidth: 4
ContinuationIndentWidth: 4

Cpp11BracedListStyle: true                          # {} 시작과 끝 띄어쓰기 x
DerivePointerAlignment: false                       # .PointerAlignmet fallback
DisableFormat: false

FixNamespaceComments: true
IncludeBlocks: Regroup
IncludeCategories:
  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
    Priority:        2
  - Regex:           '^(<|"(gtest|gmock|isl|json)/)'
    Priority:        3
  - Regex:           '<[[:alnum:].]+>'
    Priority:        4
  - Regex:           '.*'
    Priority:        1
IncludeIsMainRegex: '(Test)?$'

IndentCaseLabels: false
IndentPPDirectives: None                            # 전처리 indent 안함
IndentWidth: 4
IndentWrappedFunctionNames: true

KeepEmptyLinesAtTheStartOfBlocks: false             # 시작 시 빈줄 제거
MaxEmptyLinesToKeep: 2                              # 최대 빈 줄
NamespaceIndentation: Inner

PointerAlignment: Right                             # uint16_t *a;
ReflowComments: true                                # comment 줄 변경

SortIncludes: true
SortUsingDeclarations: true

SpaceAfterCStyleCast: false
SpaceAfterLogicalNot: true
SpaceAfterTemplateKeyword: false

SpaceBeforeAssignmentOperators: true                # = 앞 공백
SpaceBeforeCpp11BracedList: true
SpaceBeforeCtorInitializerColon: false
SpaceBeforeInheritanceColon: false
SpaceBeforeParens: Never                            # () 앞 띄어쓰기
SpaceBeforeRangeBasedForLoopColon: false
SpacesBeforeTrailingComments: 4                     # // 앞 공백

SpaceInEmptyParentheses: false
SpacesInAngles: false
SpacesInCStyleCastParentheses: false
SpacesInContainerLiterals: false
SpacesInParentheses: false
SpacesInSquareBrackets: false

Standard:   Cpp11
TabWidth:   4
UseTab:     Never