官方文档：http://clang.llvm.org/docs/ClangFormatStyleOptions.html
中文
在代码中配置样式 当使用 clang::format::reformat(...) 方法, 格式将被clang::format::FormatStyle 框架指定。 配置格式化样式选项 这一部分列出了被支持的选项。 每个操作都有指定类型。 枚举类型的可能的值，被C++枚举（一个预编译，例如：LS_Auto）和配置中的一个值（没有预编译：Auto）指定。 BasedOnStyle (string)
这个样式用于所有没有特殊指定配置的选项。 这个选项仅在clang-format配置中支持(在-style='{...}' 和 .clang-format 文件里). 可能的值有: LLVM：符合LLVM代码标准的样式
Google：符合谷歌的c++样式指南的样式
Chromium：符合Chromium样式指南的样式
Mozilla：符合Mozilla样式指南的样式
WebKit：符合WebKit的样式指南的样式
AccessModifierOffset (int)
访问修饰符的缩进或者向外伸展,例如 public:。
AlignAfterOpenBracket (BracketAlignmentStyle)
如果为真（true），在一个左圆括号后水平对齐参数
这会应用在圆括号，尖括号和中（方）括号。
可能的值有：
BAS_Align (在配置中: Align) 在左圆括号后调整参数, 例如:
someLongFunction(argument1,
argument2); BAS_DontAlign (在配置中: DontAlign) 不调整, 换用 ContinuationIndentWidth, 例如:
someLongFunction(argument1,
argument2); BAS_AlwaysBreak (在配置中: AlwaysBreak) 在左圆括号后总是换行, 如果参数不能适应单行, 例如:
someLongFunction(
argument1, argument2); AlignConsecutiveAssignments (bool)
如果为真（true），连续调整多行
这将会调整连续行中的分配操作符。这将会导致像下面这样的格式：
int aaaa = 12;
int b = 23;
int ccc = 23; AlignConsecutiveDeclarations (bool)
如果为真（true）, 校准连续的声明。 这将会校准连续多行的声明的名字。这将会导致像下面这样的格式：
int aaaa = 12;
float b = 23;
std::string ccc = 23; AlignEscapedNewlinesLeft (bool)
如果为真（true）, 校准被忽略的新行距左边尽可能远。或者把它们放到列的最右边 AlignOperands (bool)
如果为真（true）, 水平对齐二进制和三元表达式的操作数。
具体来说，这将一个表达式的操作数对准一个需要被分割的多行的操作数, 例如:
int aaa = bbbbbbbbbbbbbbb +
ccccccccccccccc; AlignTrailingComments (bool)
如果为真（true）, 对齐注释。 AllowAllParametersOfDeclarationOnNextLine (bool)
即使BinPackParameters是假的，也允许将一个函数声明的所有参数移到下一行. AllowShortBlocksOnASingleLine (bool)
允许将简单的语句块放到一个单行.
例如, 这允许 将 语句 “if (a) { return; }” 放到一个单行. AllowShortCaseLabelsOnASingleLine (bool)
如果为真（true）, 很短的情况下的标签将会被放到单独的行。 AllowShortFunctionsOnASingleLine (ShortFunctionStyle)
取决于值, 语句“int f() { return 0; }”可以被放到一个单行。
可能的值有：
SFS_None (在配置中： None) 从不合并方法或函数到单独的一行。
SFS_Empty (在配置中： Empty) 仅合并空的函数。
SFS_Inline (在配置中： Inline) 仅合并类中定义的方法或函数. 意味着 “empty”.
SFS_All (在配置中： All) 合并所有的方法适应单行. AllowShortIfStatementsOnASingleLine (bool)
如果为真（true）, 语句“if (a) return;” 能被放到单行。 AllowShortLoopsOnASingleLine (bool)
如果为真（true）, 语句“while (true) continue;” 能被放到单行。 AlwaysBreakAfterDefinitionReturnType (DefinitionReturnTypeBreakingStyle)
用于函数定义返回类型换行样式。这个选项是过时的并且被保留向后兼容。
可能的值有：
DRTBS_None (在配置中： None) 再返回类型后自动换行。PenaltyReturnTypeOnItsOwnLine 会被考虑到.
DRTBS_All (在配置中： All) 总是在返回类型后换行。
DRTBS_TopLevel (在配置中： TopLevel) 总是在返回类型的*函数后换行。 AlwaysBreakAfterReturnType (ReturnTypeBreakingStyle)
用于函数声明返回类型换行样式。
可能的值有： RTBS_None (在配置中： None) 在返回类型后自动换行。“PenaltyReturnTypeOnItsOwnLine”会被考虑.
RTBS_All (在配置中： All) 再返回类型后总是换行。
RTBS_TopLevel (在配置中： TopLevel) 在方法的顶层的返回类型后总是换行。
RTBS_AllDefinitions (在配置中： AllDefinitions) 在方法定义中的返回类型后总是换行。
RTBS_TopLevelDefinitions (在配置中： TopLevelDefinitions) 在顶层定义的返回类型后总是换行。 AlwaysBreakBeforeMultilineStrings (bool)
如果为真（true）, 在多行字面量字符串前总是换行。
这个标志意味着使在文件中有多行字符串的情况看起来更一致。因此，如果字符串被“ContinuationIndentWidth”空格导致换行，它将会在行首生效。 AlwaysBreakTemplateDeclarations (bool)
如果为真（true）, 在模板声明“template<...>”后总是换行 BinPackArguments (bool)
如果为假（false）， 函数调用的参数要么是在同一行上，要么将在同一行上有一行。 BinPackParameters (bool)
如果为假（false）， 函数声明或函数定义的参数将都在同一行上，或各有一行。 BraceWrapping (BraceWrappingFlags)
控制单独的大括号换行事件。
如果“BreakBeforeBraces”设置为“BS_Custom”, 使用这个指定如何处理每个单独的括号的情况。否则，这是被忽略的。
嵌套结构的标志:
bool AfterClass 使类定义换行.
bool AfterControlStatement 使控制语句(if/for/while/switch/..)换行。
bool AfterEnum 使枚举定义换行。
bool AfterFunction 使方法定义换行。
bool AfterNamespace 使命名空间定义换行。
bool AfterObjCDeclaration 使OC定义(@autoreleasepool, interfaces, ..)换行。
bool AfterStruct 使结构定义换行。
bool AfterUnion 使共同体定义换行。
bool BeforeCatch 在catch之前换行。
bool BeforeElse 在else之前换行。
bool IndentBraces 缩进换行的大括号。 BreakAfterJavaFieldAnnotations (bool)
在JAVA文件中每个注释后换行。 BreakBeforeBinaryOperators (BinaryOperatorStyle)
使二进制操作符换行的方法。
可能的值有：
BOS_None (在配置中： None) 在操作符后换行。
BOS_NonAssignment (在配置中： NonAssignment) 在操作符没有被指定前换行。
BOS_All (在配置中： All) 在操作符前换行。 BreakBeforeBraces (BraceBreakingStyle)
用于大括号换行样式。
可能的值有：
BS_Attach (在配置中： Attach) 总是将大括号与上下文连在一起。
BS_Linux (在配置中： Linux) 像Attach一样, 但是在一个方法、命名空间或一个类定义的大括号之前换行
BS_Mozilla (在配置中： Mozilla) 像Attach一样, 但是在一个枚举、方法或记录定义前换行。
BS_Stroustrup (在配置中： Stroustrup) 像Attach一样,但是在方法定义、catch、和else前换行
BS_Allman (在配置中： Allman) 总是在大括号之前换行。
BS_GNU (在配置中： GNU) 总是在括号前中断，并添加一个额外的级别的缩进到控件语句的括号中，而不是类、函数或其他定义的括号中。
BS_WebKit (在配置中： WebKit) 像Attach一样, 但是在方法前换行。
BS_Custom (在配置中： Custom) 在“BraceWrapping”里配置每一个单独的大括号。 BreakBeforeTernaryOperators (bool)
如果为真（true）, 三元运算符将被放置在换行后。 BreakConstructorInitializersBeforeComma (bool)
总是在逗号和对齐逗号跟冒号前把构造函数初始化式换行。 BreakStringLiterals (bool)
当格式化时，总是对字面量字符串换行。
ColumnLimit (unsigned)
限制列。
列的限制为0意味着没有列限制。在这种情况下，clang-format将谨慎对待在声明中输入行的换行决定，除非与其他规则矛盾。 CommentPragmas (std::string)
一个固定的表达式，它描述了具有特殊意义的注释，不应该被分裂成行或以其他方式改变。 ConstructorInitializerAllOnOneLineOrOnePerLine (bool)
如果构造函数初始化器不适合在一行，把每个初始化放到单独的行。 ConstructorInitializerIndentWidth (unsigned)
使用构造函数初始化列表缩进的字符数。 ContinuationIndentWidth (unsigned)
新行缩进宽度。 Cpp11BracedListStyle (bool)
如果为真（true）,格式化大括号列表达到最适合c++11列表。 重要区别：-没有空格内的大括号列表。-大括号关闭前没有换行。与延续缩进缩进，不与块缩进。
从根本上讲，C++ 11大括号列表与函数调用格式化是一模一样的。如果大括号列表跟着一个名字（例如类型或变量名），clang-format的格式像是一个调用那个名字的函数的圆括号的“{}”。如果没有名称，则假定一个零长度的名称。 DerivePointerAlignment (bool)
如果为真（true）, 分析最常见的格式化文件中“&”和“\*”的对齐方式。pointeralignment则仅作为后备。 DisableFormat (bool)
完全禁止格式化。 ExperimentalAutoDetectBinPacking (bool)
如果为真（true）, clang-format检测函数调用和定义格式化为每行一个参数。
每个调用都可以被包装，每行一个或不确定的。如果是不确定的，例如完全在一行，但需要做出一个决定，clang-format分析文件中是否有其他被包装的事例和相应的行动。
注意：这是一个实验标志，可能会消失或被重命名。不要在配置文件中使用。你自己要为你的使用负责。 ForEachMacros (std::vector<std::string>)
一个宏，应解释为foreach循环而不是作为函数调用矢量。
这些都是预期形式的宏： FOREACH(<variable-declaration>, ...)
<loop-body>
在.clang-format 配置文件中, 这可以被设定为:
ForEachMacros: ['RANGES_FOR', 'FOREACH']
例如: BOOST_FOREACH. IncludeCategories (std::vector<IncludeCategory>)
正则表达式表示不同的#include类别被用于#includes命令。
这些正则表达式与一个包含（包括< >或“）的文件的文件名相匹配。属于第一匹配正则表达式的值被分配，并且#include首先根据增加类别数然后在每个类别按字母的顺序排序。 如果正则表达式都不匹配，int_max分配类别。源文件的主要头引用自动获取类别0。因此，它通常是保持在#include开头（http://llvm.org/docs/CodingStandards.html#include-style）。然而，如果你有总是需要排在首位的头引用，你也可以分配负面的优先事项。
为了在.clang-format文件中配置这个, 请使用:
IncludeCategories:
- Regex: '^"(llvm|llvm-c|clang|clang-c)/'
Priority: 2
- Regex: '^(<|"(gtest|isl|json)/)'
Priority: 3
- Regex: '.\*'
Priority: 1 IncludeIsMainRegex (std::string)
指定一个常用的可以在文件主要包括映射的正则表达式的表达式。
在猜测是否#include是“main”include（指定类别0，见上文），使用这个正则表达式允许后缀的头引用源。部分匹配完成，所以说：-“”意思是任意后缀，-“$”的意思是没有后缀
例如，如果配置”（_test）？$”，然后.h将被视为包括在a.cc和a_test.ccde中的“main”。 IndentCaseLabels (bool)
从switch语句缩进case标签一级。
当错误时，使用相同的缩进级别作为切换语句。switch语句的语句体总是缩进一级以上的case标签。 IndentWidth (unsigned)
用于缩进的列数。 IndentWrappedFunctionNames (bool)
缩进如果函数定义或声明后包的类型。 JavaScriptQuotes (JavaScriptQuoteStyle)
JavaScriptQuoteStyle 使用JavaScript字符串。
可能的值有：
JSQS_Leave (在配置中： Leave) 留下字符串原本的括号
JSQS_Single (在配置中： Single) 总是使用单括号
JSQS_Double (在配置中： Double) 总是使用双括号. KeepEmptyLinesAtTheStartOfBlocks (bool)
如果为真（true）, 保持块的起始空行。 Language (LanguageKind)
这种格式针对的是语言。
可能的值有：
LK_None (在配置中： None) 不使用
LK_Cpp (在配置中： Cpp) 应该被用于C, C++, ObjectiveC, ObjectiveC++.
LK_Java (在配置中： Java) 应该被用于Java.
LK_JavaScript (在配置中： JavaScript) 应该被用于 JavaScript.
LK_Proto (在配置中： Proto) 应该被用于 Protocol 缓冲 (https://developers.google.com/protocol-buffers/).
LK_TableGen (在配置中： TableGen) 应该被用于 TableGen 代码. MacroBlockBegin (std::string)
匹配宏指令的一个常用于开始一个块的表达式。 MacroBlockEnd (std::string)
匹配宏指令的一个常用于结束一个块的表达式。 MaxEmptyLinesToKeep (unsigned)
连续空行的最大数。 NamespaceIndentation (NamespaceIndentationKind)
用于命名空间的缩排。
可能的值有：
NI_None (在配置中： None) 在命名空间中不缩进。
NI_Inner (在配置中： Inner) 仅在内部命名空间缩进(嵌套在其他命名空间)。
NI_All (在配置中： All) 在所有的命名空间中缩进。 ObjCBlockIndentWidth (unsigned)
OC块中所拍的字符数。 ObjCSpaceAfterProperty (bool)
在OC中的@property后面添加一个空格。例如：使用“@property (readonly)”而不是“@property(readonly)”。 ObjCSpaceBeforeProtocolList (bool)
在OC协议列表前添加一个空格， 例如： 使用<Protocol>而不是<Protocol>。 PenaltyBreakBeforeFirstCallParameter (unsigned)
在调用小括号“（”后给一个方法调用换行的处罚。 PenaltyBreakComment (unsigned)
包含在一个注释中的每一个换行的处罚。 PenaltyBreakFirstLessLess (unsigned)
在第一个“<<”前的换行的处罚。 PenaltyBreakString (unsigned)
包含一个字面量的字符串中的每一个换行的处罚。 PenaltyExcessCharacter (unsigned)
每一个字符的列限制外的处罚。 PenaltyReturnTypeOnItsOwnLine (unsigned)
把一个方法返回类型放到函数的同一行。 PointerAlignment (PointerAlignmentStyle)
指针和引用的对其方式。
可能的值有：
PAS_Left (在配置中： Left) 指针左对齐。
PAS_Right (在配置中： Right) 指针右对齐。
PAS_Middle (在配置中： Middle) 指针中间对齐。 ReflowComments (bool)
如果为真（true）, clang-format 将会尝试将注释重新流布局。 SortIncludes (bool)
如果为真（true）, clang-format 将会分类#includes. SpaceAfterCStyleCast (bool)
如果为真（true）, 可能在一个C样式描述后插入一个空格。 SpaceAfterTemplateKeyword (bool)
如果为真（true）, 在“template”关键字后插入一个空格。 SpaceBeforeAssignmentOperators (bool)
如果为假（false），移除分配操作符（=）前空格。 SpaceBeforeParens (SpaceBeforeParensOptions)
大括号之前定义空格的情况。
可能的值有：
SBPO_Never (在配置中： Never) 从不在圆括号之前加空格。
SBPO_ControlStatements (在配置中： ControlStatements) 仅在控制声明关键词（for/if/while···）的圆括号前面加空格。
SBPO_Always (在配置中： Always) 总在圆括号前面加空格, 除了语法规则禁止的（在方法中-像宏定义）或者 当其他样式规则定义过的(在一元运算符后,圆括号, 等等) SpaceInEmptyParentheses (bool)
如果为真（true）, 可能会在“（）”中插入空格。 SpacesBeforeTrailingComments (unsigned)
单行注释前的空格数(// - comments)。
这不会影响块注释(/* - comments)，因为它们通常会有不同的使用模式和一些特殊情况。 SpacesInAngles (bool)
如果为真（true）, 将会在模板对齐列的“<>”中间插入空格。 SpacesInCStyleCastParentheses (bool)
如果为真（true）, 将会在C样式描述中插入空格。 SpacesInContainerLiterals (bool)
如果为真（true）, 将会在字面量容器中插入空格(例如 OC和Javascript的数组和字典字面量)。 SpacesInParentheses (bool)
如果为真（true）, 将会在“(”之后和“)”之前插入空格。 SpacesInSquareBrackets (bool)
如果为真（true）,将会在“[”之后和“]”之前插入空格。 Standard (LanguageStandard)
用这个标准格式化：例如：在LS_Cpp03中使用 A<A<int> > 而不是 A<A<int>>
可能的值有：
LS_Cpp03 (在配置中： Cpp03) 使用Use C++03统一语法。
LS_Cpp11 (在配置中： Cpp11) 使用C++11的特征(例如 A<A<int>>而不是A<A<int> >).
LS_Auto (在配置中： Auto) 基于输入自动检查。
TabWidth (unsigned)
用于制表符停止的列数。 UseTab (UseTabStyle)
在结果文件中使用制表符字符的方式。
可能的值有：
UT_Never (在配置中： Never) 从不使用制表符。
UT_ForIndentation (在配置中： ForIndentation) 仅缩排时使用制表符。
UT_Always (在配置中： Always) 使用标签时，我们需要填补的空白，至少从一个制表位到下一个。
英文
Configuring Style in Code When using clang::format::reformat(...) functions, the format is specified by supplying the clang::format::FormatStyle structure. Configurable Format Style Options This section lists the supported style options. Value type is specified for each option. For enumeration types possible values are specified both as a C++ enumeration member (with a prefix, e.g. LS_Auto), and as a value usable in the configuration (without a prefix: Auto). BasedOnStyle (string)
The style used for all options not specifically set in the configuration. This option is supported only in the clang-format configuration (both within -style='{...}' and the .clang-format file). Possible values: LLVM A style complying with the LLVM coding standards
Google A style complying with Google’s C++ style guide
Chromium A style complying with Chromium’s style guide
Mozilla A style complying with Mozilla’s style guide
WebKit A style complying with WebKit’s style guide
AccessModifierOffset (int)
The extra indent or outdent of access modifiers, e.g. public:.
AlignAfterOpenBracket (BracketAlignmentStyle)
If true, horizontally aligns arguments after an open bracket. This applies to round brackets (parentheses), angle brackets and square brackets. Possible values: BAS_Align (in configuration: Align) Align parameters on the open bracket, e.g.: someLongFunction(argument1,
argument2);
BAS_DontAlign (in configuration: DontAlign) Don’t align, instead use ContinuationIndentWidth, e.g.: someLongFunction(argument1,
argument2);
BAS_AlwaysBreak (in configuration: AlwaysBreak) Always break after an open bracket, if the parameters don’t fit on a single line, e.g.: someLongFunction(
argument1, argument2);
AlignConsecutiveAssignments (bool)
If true, aligns consecutive assignments. This will align the assignment operators of consecutive lines. This will result in formattings like int aaaa = 12;
int b = 23;
int ccc = 23;
AlignConsecutiveDeclarations (bool)
If true, aligns consecutive declarations. This will align the declaration names of consecutive lines. This will result in formattings like int aaaa = 12;
float b = 23;
std::string ccc = 23;
AlignEscapedNewlinesLeft (bool)
If true, aligns escaped newlines as far left as possible. Otherwise puts them into the right-most column.
AlignOperands (bool)
If true, horizontally align operands of binary and ternary expressions. Specifically, this aligns operands of a single expression that needs to be split over multiple lines, e.g.: int aaa = bbbbbbbbbbbbbbb +
ccccccccccccccc;
AlignTrailingComments (bool)
If true, aligns trailing comments.
AllowAllParametersOfDeclarationOnNextLine (bool)
Allow putting all parameters of a function declaration onto the next line even if BinPackParameters is false.
AllowShortBlocksOnASingleLine (bool)
Allows contracting simple braced statements to a single line. E.g., this allows if (a) { return; } to be put on a single line.
AllowShortCaseLabelsOnASingleLine (bool)
If true, short case labels will be contracted to a single line.
AllowShortFunctionsOnASingleLine (ShortFunctionStyle)
Dependent on the value, int f() { return 0; } can be put on a single line. Possible values: SFS_None (in configuration: None) Never merge functions into a single line.
SFS_Empty (in configuration: Empty) Only merge empty functions.
SFS_Inline (in configuration: Inline) Only merge functions defined inside a class. Implies “empty”.
SFS_All (in configuration: All) Merge all functions fitting on a single line.
AllowShortIfStatementsOnASingleLine (bool)
If true, if (a) return; can be put on a single line.
AllowShortLoopsOnASingleLine (bool)
If true, while (true) continue; can be put on a single line.
AlwaysBreakAfterDefinitionReturnType (DefinitionReturnTypeBreakingStyle)
The function definition return type breaking style to use. This option is deprecated and is retained for backwards compatibility. Possible values: DRTBS_None (in configuration: None) Break after return type automatically. PenaltyReturnTypeOnItsOwnLine is taken into account.
DRTBS_All (in configuration: All) Always break after the return type.
DRTBS_TopLevel (in configuration: TopLevel) Always break after the return types of top-level functions.
AlwaysBreakAfterReturnType (ReturnTypeBreakingStyle)
The function declaration return type breaking style to use. Possible values: RTBS_None (in configuration: None) Break after return type automatically. PenaltyReturnTypeOnItsOwnLine is taken into account.
RTBS_All (in configuration: All) Always break after the return type.
RTBS_TopLevel (in configuration: TopLevel) Always break after the return types of top-level functions.
RTBS_AllDefinitions (in configuration: AllDefinitions) Always break after the return type of function definitions.
RTBS_TopLevelDefinitions (in configuration: TopLevelDefinitions) Always break after the return type of top-level definitions.
AlwaysBreakBeforeMultilineStrings (bool)
If true, always break before multiline string literals. This flag is mean to make cases where there are multiple multiline strings in a file look more consistent. Thus, it will only take effect if wrapping the string at that point leads to it being indented ContinuationIndentWidth spaces from the start of the line.
AlwaysBreakTemplateDeclarations (bool)
If true, always break after the template<...> of a template declaration.
BinPackArguments (bool)
If false, a function call’s arguments will either be all on the same line or will have one line each.
BinPackParameters (bool)
If false, a function declaration’s or function definition’s parameters will either all be on the same line or will have one line each.
BraceWrapping (BraceWrappingFlags)
Control of individual brace wrapping cases. If BreakBeforeBraces is set to BS_Custom, use this to specify how each individual brace case should be handled. Otherwise, this is ignored. Nested configuration flags: bool AfterClass Wrap class definitions.
bool AfterControlStatement Wrap control statements (if/for/while/switch/..).
bool AfterEnum Wrap enum definitions.
bool AfterFunction Wrap function definitions.
bool AfterNamespace Wrap namespace definitions.
bool AfterObjCDeclaration Wrap ObjC definitions (@autoreleasepool, interfaces, ..).
bool AfterStruct Wrap struct definitions.
bool AfterUnion Wrap union definitions.
bool BeforeCatch Wrap before catch.
bool BeforeElse Wrap before else.
bool IndentBraces Indent the wrapped braces themselves.
BreakAfterJavaFieldAnnotations (bool)
Break after each annotation on a field in Java files.
BreakBeforeBinaryOperators (BinaryOperatorStyle)
The way to wrap binary operators. Possible values: BOS_None (in configuration: None) Break after operators.
BOS_NonAssignment (in configuration: NonAssignment) Break before operators that aren’t assignments.
BOS_All (in configuration: All) Break before operators.
BreakBeforeBraces (BraceBreakingStyle)
The brace breaking style to use. Possible values: BS_Attach (in configuration: Attach) Always attach braces to surrounding context.
BS_Linux (in configuration: Linux) Like Attach, but break before braces on function, namespace and class definitions.
BS_Mozilla (in configuration: Mozilla) Like Attach, but break before braces on enum, function, and record definitions.
BS_Stroustrup (in configuration: Stroustrup) Like Attach, but break before function definitions, catch, and else.
BS_Allman (in configuration: Allman) Always break before braces.
BS_GNU (in configuration: GNU) Always break before braces and add an extra level of indentation to braces of control statements, not to those of class, function or other definitions.
BS_WebKit (in configuration: WebKit) Like Attach, but break before functions.
BS_Custom (in configuration: Custom) Configure each individual brace in BraceWrapping.
BreakBeforeTernaryOperators (bool)
If true, ternary operators will be placed after line breaks.
BreakConstructorInitializersBeforeComma (bool)
Always break constructor initializers before commas and align the commas with the colon.
BreakStringLiterals (bool)
Allow breaking string literals when formatting.
ColumnLimit (unsigned)
The column limit. A column limit of 0 means that there is no column limit. In this case, clang-format will respect the input’s line breaking decisions within statements unless they contradict other rules.
CommentPragmas (std::string)
A regular expression that describes comments with special meaning, which should not be split into lines or otherwise changed.
ConstructorInitializerAllOnOneLineOrOnePerLine (bool)
If the constructor initializers don’t fit on a line, put each initializer on its own line.
ConstructorInitializerIndentWidth (unsigned)
The number of characters to use for indentation of constructor initializer lists.
ContinuationIndentWidth (unsigned)
Indent width for line continuations.
Cpp11BracedListStyle (bool)
If true, format braced lists as best suited for C++11 braced lists. Important differences: - No spaces inside the braced list. - No line break before the closing brace. - Indentation with the continuation indent, not with the block indent. Fundamentally, C++11 braced lists are formatted exactly like function calls would be formatted in their place. If the braced list follows a name (e.g. a type or variable name), clang-format formats as if the {} were the parentheses of a function call with that name. If there is no name, a zero-length name is assumed.
DerivePointerAlignment (bool)
If true, analyze the formatted file for the most common alignment of & and \*. PointerAlignment is then used only as fallback.
DisableFormat (bool)
Disables formatting completely.
ExperimentalAutoDetectBinPacking (bool)
If true, clang-format detects whether function calls and definitions are formatted with one parameter per line. Each call can be bin-packed, one-per-line or inconclusive. If it is inconclusive, e.g. completely on one line, but a decision needs to be made, clang-format analyzes whether there are other bin-packed cases in the input file and act accordingly. NOTE: This is an experimental flag, that might go away or be renamed. Do not use this in config files, etc. Use at your own risk.
ForEachMacros (std::vector<std::string>)
A vector of macros that should be interpreted as foreach loops instead of as function calls. These are expected to be macros of the form: FOREACH(<variable-declaration>, ...)
<loop-body>
In the .clang-format configuration file, this can be configured like: ForEachMacros: ['RANGES_FOR', 'FOREACH']
For example: BOOST_FOREACH.
IncludeCategories (std::vector<IncludeCategory>)
Regular expressions denoting the different #include categories used for ordering #includes. These regular expressions are matched against the filename of an include (including the <> or “”) in order. The value belonging to the first matching regular expression is assigned and #includes are sorted first according to increasing category number and then alphabetically within each category. If none of the regular expressions match, INT_MAX is assigned as category. The main header for a source file automatically gets category 0. so that it is generally kept at the beginning of the #includes (http://llvm.org/docs/CodingStandards.html#include-style). However, you can also assign negative priorities if you have certain headers that always need to be first. To configure this in the .clang-format file, use: IncludeCategories:
- Regex: '^"(llvm|llvm-c|clang|clang-c)/'
Priority: 2
- Regex: '^(<|"(gtest|isl|json)/)'
Priority: 3
- Regex: '.\*'
Priority: 1
IncludeIsMainRegex (std::string)
Specify a regular expression of suffixes that are allowed in the file-to-main-include mapping. When guessing whether a #include is the “main” include (to assign category 0, see above), use this regex of allowed suffixes to the header stem. A partial match is done, so that: - “” means “arbitrary suffix” - “$” means “no suffix” For example, if configured to “(_test)?$”, then a header a.h would be seen as the “main” include in both a.cc and a_test.cc.
IndentCaseLabels (bool)
Indent case labels one level from the switch statement. When false, use the same indentation level as for the switch statement. Switch statement body is always indented one level more than case labels.
IndentWidth (unsigned)
The number of columns to use for indentation.
IndentWrappedFunctionNames (bool)
Indent if a function definition or declaration is wrapped after the type.
JavaScriptQuotes (JavaScriptQuoteStyle)
The JavaScriptQuoteStyle to use for JavaScript strings. Possible values: JSQS_Leave (in configuration: Leave) Leave string quotes as they are.
JSQS_Single (in configuration: Single) Always use single quotes.
JSQS_Double (in configuration: Double) Always use double quotes.
KeepEmptyLinesAtTheStartOfBlocks (bool)
If true, empty lines at the start of blocks are kept.
Language (LanguageKind)
Language, this format style is targeted at. Possible values: LK_None (in configuration: None) Do not use.
LK_Cpp (in configuration: Cpp) Should be used for C, C++, ObjectiveC, ObjectiveC++.
LK_Java (in configuration: Java) Should be used for Java.
LK_JavaScript (in configuration: JavaScript) Should be used for JavaScript.
LK_Proto (in configuration: Proto) Should be used for Protocol Buffers (https://developers.google.com/protocol-buffers/).
LK_TableGen (in configuration: TableGen) Should be used for TableGen code.
MacroBlockBegin (std::string)
A regular expression matching macros that start a block.
MacroBlockEnd (std::string)
A regular expression matching macros that end a block.
MaxEmptyLinesToKeep (unsigned)
The maximum number of consecutive empty lines to keep.
NamespaceIndentation (NamespaceIndentationKind)
The indentation used for namespaces. Possible values: NI_None (in configuration: None) Don’t indent in namespaces.
NI_Inner (in configuration: Inner) Indent only in inner namespaces (nested in other namespaces).
NI_All (in configuration: All) Indent in all namespaces.
ObjCBlockIndentWidth (unsigned)
The number of characters to use for indentation of ObjC blocks.
ObjCSpaceAfterProperty (bool)
Add a space after @property in Objective-C, i.e. use @property (readonly) instead of @property(readonly).
ObjCSpaceBeforeProtocolList (bool)
Add a space in front of an Objective-C protocol list, i.e. use Foo <Protocol> instead of Foo<Protocol>.
PenaltyBreakBeforeFirstCallParameter (unsigned)
The penalty for breaking a function call after call(.
PenaltyBreakComment (unsigned)
The penalty for each line break introduced inside a comment.
PenaltyBreakFirstLessLess (unsigned)
The penalty for breaking before the first <<.
PenaltyBreakString (unsigned)
The penalty for each line break introduced inside a string literal.
PenaltyExcessCharacter (unsigned)
The penalty for each character outside of the column limit.
PenaltyReturnTypeOnItsOwnLine (unsigned)
Penalty for putting the return type of a function onto its own line.
PointerAlignment (PointerAlignmentStyle)
Pointer and reference alignment style. Possible values: PAS_Left (in configuration: Left) Align pointer to the left.
PAS_Right (in configuration: Right) Align pointer to the right.
PAS_Middle (in configuration: Middle) Align pointer in the middle.
ReflowComments (bool)
If true, clang-format will attempt to re-flow comments.
SortIncludes (bool)
If true, clang-format will sort #includes.
SpaceAfterCStyleCast (bool)
If true, a space may be inserted after C style casts.
SpaceAfterTemplateKeyword (bool)
If true, a space will be inserted after the ‘template’ keyword.
SpaceBeforeAssignmentOperators (bool)
If false, spaces will be removed before assignment operators.
SpaceBeforeParens (SpaceBeforeParensOptions)
Defines in which cases to put a space before opening parentheses. Possible values: SBPO_Never (in configuration: Never) Never put a space before opening parentheses.
SBPO_ControlStatements (in configuration: ControlStatements) Put a space before opening parentheses only after control statement keywords (for/if/while...).
SBPO_Always (in configuration: Always) Always put a space before opening parentheses, except when it’s prohibited by the syntax rules (in function-like macro definitions) or when determined by other style rules (after unary operators, opening parentheses, etc.)
SpaceInEmptyParentheses (bool)
If true, spaces may be inserted into ().
SpacesBeforeTrailingComments (unsigned)
The number of spaces before trailing line comments (// - comments). This does not affect trailing block comments (/* - comments) as those commonly have different usage patterns and a number of special cases.
SpacesInAngles (bool)
If true, spaces will be inserted after < and before > in template argument lists.
SpacesInCStyleCastParentheses (bool)
If true, spaces may be inserted into C style casts.
SpacesInContainerLiterals (bool)
If true, spaces are inserted inside container literals (e.g. ObjC and Javascript array and dict literals).
SpacesInParentheses (bool)
If true, spaces will be inserted after ( and before ).
SpacesInSquareBrackets (bool)
If true, spaces will be inserted after [ and before ].
Standard (LanguageStandard)
Format compatible with this standard, e.g. use A<A<int> > instead of A<A<int>> for LS_Cpp03. Possible values: LS_Cpp03 (in configuration: Cpp03) Use C++03-compatible syntax.
LS_Cpp11 (in configuration: Cpp11) Use features of C++11 (e.g. A<A<int>> instead of A<A<int> >).
LS_Auto (in configuration: Auto) Automatic detection based on the input.
TabWidth (unsigned)
The number of columns used for tab stops.
UseTab (UseTabStyle)
The way to use tab characters in the resulting file. Possible values: UT_Never (in configuration: Never) Never use tab.
UT_ForIndentation (in configuration: ForIndentation) Use tabs only for indentation.
UT_Always (in configuration: Always) Use tabs whenever we need to fill whitespace that spans at least from one tab stop to the next one.
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