c++ 很好地格式化lambda表达式的括号列表

krcsximq 于 2024-01-09 发布在其他

关注(0)|答案(1)|浏览(153)

有没有什么方法可以设置clang-format来很好地 * 格式化这样的表达式？

foo({
    [](int) {
        bar();
        baz();
    },
    [](float) {}
});

字符串
以我目前的配置，它被塞进了这个令人憎恶的东西：

foo({ [](int) {
         bar();
         baz();
     },
      [](float) {} });

型
这里foo是一个函数模板，它接受一个泛型类型的std::tuple作为参数。
我在代码库中有很多这样的函数调用，我必须把它们都 Package 到// clang-format off// clang-format on注解中，这真的很烦人。

我说的漂亮是指像第一个例子一样。纠正嵌套括号的缩进。

以下是我当前的配置文件：

---
Language:        Cpp
# BasedOnStyle:  LLVM
AccessModifierOffset: -4
AlignAfterOpenBracket: Align
AlignArrayOfStructures: None
AlignConsecutiveMacros: Consecutive
AlignConsecutiveAssignments: None
AlignConsecutiveBitFields: Consecutive
AlignConsecutiveDeclarations: None
AlignEscapedNewlines: Right
AlignOperands:   Align
AlignTrailingComments: true
AllowAllArgumentsOnNextLine: false
AllowAllParametersOfDeclarationOnNextLine: true
AllowShortEnumsOnASingleLine: true
AllowShortBlocksOnASingleLine: Always
AllowShortCaseLabelsOnASingleLine: false
AllowShortFunctionsOnASingleLine: All
AllowShortLambdasOnASingleLine: All
AllowShortIfStatementsOnASingleLine: WithoutElse
AllowShortLoopsOnASingleLine: false
AlwaysBreakAfterDefinitionReturnType: None
AlwaysBreakAfterReturnType: None
AlwaysBreakBeforeMultilineStrings: false
AlwaysBreakTemplateDeclarations: true
AttributeMacros: ['__capability']
BinPackArguments: false
BinPackParameters: false
BraceWrapping:
  AfterCaseLabel:  false
  AfterClass:      false
  AfterControlStatement: MultiLine
  AfterEnum:       false
  AfterFunction:   false
  AfterNamespace:  false
  AfterObjCDeclaration: false
  AfterStruct:     false
  AfterUnion:      false
  AfterExternBlock: false
  BeforeCatch:     true
  BeforeElse:      true
  BeforeLambdaBody: false
  BeforeWhile:     false
  IndentBraces:    false
  SplitEmptyFunction: true
  SplitEmptyRecord: true
  SplitEmptyNamespace: true
BreakBeforeBinaryOperators: None
BreakBeforeConceptDeclarations: true
BreakBeforeBraces: Custom
BreakBeforeInheritanceComma: false
BreakInheritanceList: AfterColon
BreakBeforeTernaryOperators: false
BreakConstructorInitializers: AfterColon
BreakAfterJavaFieldAnnotations: false
BreakStringLiterals: false
ColumnLimit:     80
CommentPragmas:  '^ IWYU pragma:'
QualifierAlignment: Right
CompactNamespaces: false
ConstructorInitializerIndentWidth: 4
ContinuationIndentWidth: 4
Cpp11BracedListStyle: false
DeriveLineEnding: true
DerivePointerAlignment: false
DisableFormat:   false
EmptyLineAfterAccessModifier: Never
EmptyLineBeforeAccessModifier: LogicalBlock
ExperimentalAutoDetectBinPacking: false
PackConstructorInitializers: NextLine
BasedOnStyle:    ''
ConstructorInitializerAllOnOneLineOrOnePerLine: false
AllowAllConstructorInitializersOnNextLine: true
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|gmock|isl|json)/)'
    Priority:        3
    SortPriority:    0
    CaseSensitive:   false
  - Regex:           '.*'
    Priority:        1
    SortPriority:    0
    CaseSensitive:   false
IncludeIsMainRegex: '(Test)?$'
IncludeIsMainSourceRegex: ''
IndentAccessModifiers: false
IndentCaseLabels: false
IndentCaseBlocks: false
IndentGotoLabels: false
IndentPPDirectives: None
IndentExternBlock: AfterExternBlock
IndentWidth:     4
IndentWrappedFunctionNames: true
InsertTrailingCommas: None
JavaScriptQuotes: Leave
JavaScriptWrapImports: true
KeepEmptyLinesAtTheStartOfBlocks: true
LambdaBodyIndentation: OuterScope
MacroBlockBegin: ''
MacroBlockEnd:   ''
MaxEmptyLinesToKeep: 1
NamespaceIndentation: None
ObjCBinPackProtocolList: Auto
ObjCBlockIndentWidth: 4
ObjCBreakBeforeNestedBlockParam: true
ObjCSpaceAfterProperty: false
ObjCSpaceBeforeProtocolList: true
PenaltyBreakAssignment: 10
PenaltyBreakBeforeFirstCallParameter: 300
PenaltyBreakComment: 300
PenaltyBreakFirstLessLess: 120
PenaltyBreakOpenParenthesis: 0
PenaltyBreakString: 100
PenaltyBreakTemplateDeclaration: 10
PenaltyExcessCharacter: 1000000
PenaltyReturnTypeOnItsOwnLine: 1000
PenaltyIndentedWhitespace: 0
PointerAlignment: Left
PPIndentWidth:   -1
ReferenceAlignment: Pointer
ReflowComments:  true
RemoveBracesLLVM: false
SeparateDefinitionBlocks: Leave
ShortNamespaceLines: 1
SortIncludes:    CaseSensitive
SortJavaStaticImport: Before
SortUsingDeclarations: true
SpaceAfterCStyleCast: false
SpaceAfterLogicalNot: false
SpaceAfterTemplateKeyword: true
SpaceBeforeAssignmentOperators: true
SpaceBeforeCaseColon: false
SpaceBeforeCpp11BracedList: false
SpaceBeforeCtorInitializerColon: false
SpaceBeforeInheritanceColon: false
SpaceBeforeParens: ControlStatements
SpaceBeforeParensOptions:
  AfterControlStatements: true
  AfterForeachMacros: true
  AfterFunctionDefinitionName: false
  AfterFunctionDeclarationName: false
  AfterIfMacros:   true
  AfterOverloadedOperator: false
  BeforeNonEmptyParentheses: false
SpaceAroundPointerQualifiers: Default
SpaceBeforeRangeBasedForLoopColon: false
SpaceInEmptyBlock: false
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInAngles:  Never
SpacesInConditionalStatement: false
SpacesInContainerLiterals: true
SpacesInCStyleCastParentheses: false
SpacesInLineCommentPrefix:
  Minimum:         1
  Maximum:         -1
SpacesInParentheses: false
SpacesInSquareBrackets: false
SpaceBeforeSquareBrackets: false
BitFieldColonSpacing: Both
Standard:        Latest
StatementAttributeLikeMacros:
  - Q_EMIT
StatementMacros:
  - Q_UNUSED
  - QT_REQUIRE_VERSION
TabWidth:        4
UseCRLF:         false
UseTab:          Never
WhitespaceSensitiveMacros:
  - STRINGIZE
  - PP_STRINGIZE
  - BOOST_PP_STRINGIZE
  - NS_SWIFT_NAME
  - CF_SWIFT_NAME
...

型

c++

来源：https://stackoverflow.com/questions/77769617/format-brace-list-of-lambda-expressions-nicely

1条答案

按热度按时间

zpjtge221#

不幸的是，clang-format可能无法为每个特定情况提供详细的控制级别，但您肯定可以接近：

BasedOnStyle: LLVM
AccessModifierOffset: -4
AllowShortFunctionsOnASingleLine: None
AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
AlwaysBreakTemplateDeclarations: Yes
BinPackArguments: false
BinPackParameters: false
BraceWrapping:
  AfterFunction: true
  AfterClass: true
  AfterControlStatement: Always
  AfterEnum: true
  AfterStruct: true
  AfterUnion: true
  BeforeCatch: true
  BeforeElse: true
  IndentBraces: false
BreakBeforeBraces: Custom
BreakBeforeBinaryOperators: None
BreakBeforeTernaryOperators: true
BreakConstructorInitializersBeforeComma: false
ColumnLimit: 0
ConstructorInitializerAllOnOneLineOrOnePerLine: true
DerivePointerAlignment: false
PointerAlignment: Left
ReflowComments: true
SortIncludes: false
SpaceAfterCStyleCast: true
SpacesBeforeTrailingComments: 1
TabWidth: 4
UseTab: Never

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c++ 很好地格式化lambda表达式的括号列表

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