EditorConfig properties for C++: Indentation and Alignment

Last modified: 26 May 2024

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Formatting preferences listed on this page can be also configured visually, on the Editor | Code Style | C++ | Indentation and Alignment page of JetBrains Rider settings .

Indentation

Continuous line indent

Property names:

[resharper_]cpp_continuous_line_indent, [resharper_]continuous_line_indent

Possible values:

  • none: None

  • single: Single

  • double: Double

Examples:

none

int x = foo1() +
foo2();

single

int x = foo1() +
	foo2();

double

int x = foo1() +
		foo2();

Use continuous line indent in function declaration and invocation parentheses

Property names:

[resharper_]cpp_use_continuous_line_indent_in_method_pars, [resharper_]use_continuous_line_indent_in_method_pars

Possible values:

true | false

Examples:

true

void Method(
	int parameter1,
	int parameter2
	)
{
	Method(
		parameter1,
		parameter2
		);
}

false

void Method(
	int parameter1,
	int parameter2
)
{
	Method(
		parameter1,
		parameter2
	);
}

Use continuous line indent in initializer lists

Property names:

[resharper_]cpp_use_continuous_line_indent_in_expression_braces, [resharper_]use_continuous_line_indent_in_expression_braces

Possible values:

true | false

Examples:

true

int a[3] =
{
	1, 2, 3
};

false

int a[3] =
{
	1, 2, 3
};

Indent namespace members

Property names:

[resharper_]cpp_namespace_indentation, [resharper_]namespace_indentation

Possible values:

  • none: Do not indent

  • inner: Indent only in inner namespaces

  • all: Indent all

Examples:

none

namespace ns
{
void a();

namespace inner
{
void b();
};
};

inner

namespace ns
{
void a();

namespace inner
{
	void b();
};
};

all

namespace ns
{
	void a();

	namespace inner
	{
		void b();
	};
};

Indent linkage specification block members

Property names:

[resharper_]cpp_linkage_specification_indentation, [resharper_]linkage_specification_indentation

Possible values:

  • none: Do not indent

  • inner: Indent only in inner namespaces

  • all: Indent all

Examples:

none

extern "C++" {
void a();

extern "C++" {
void b();
};
};

inner

extern "C++" {
void a();

extern "C++" {
	void b();
};
};

all

extern "C++" {
	void a();

	extern "C++" {
		void b();
	};
};

Indent export declaration block members

Property names:

[resharper_]cpp_indent_export_declaration_members, [resharper_]indent_export_declaration_members

Possible values:

true | false

Examples:

true

export
{
	void a();
};

false

export
{
void a();
};

Indent access specifier from class

Property names:

[resharper_]cpp_indent_access_specifiers_from_class, [resharper_]indent_access_specifiers_from_class

Possible values:

true | false

Examples:

true

class C
{
	public:
	void a();
};

false

class C
{
public:
	void a();
};

Indent class member from access specifier

Property names:

[resharper_]cpp_indent_class_members_from_access_specifiers, [resharper_]indent_class_members_from_access_specifiers

Possible values:

true | false

Examples:

true

class C
{
public:
	void a();
};

false

class C
{
public:
	void a();
};

Indent member initializer list

Property names:

[resharper_]cpp_indent_member_initializer_list, [resharper_]indent_member_initializer_list

Possible values:

true | false

Examples:

true

class C
{
	C(int x)
		: y(x)
	{
	}

	int y;
};

false

class C
{
	C(int x)
	: y(x)
	{
	}

	int y;
};

Indent if a function definition or declaration is wrapped after the type

Property names:

[resharper_]cpp_indent_wrapped_function_names, [resharper_]indent_wrapped_function_names

Possible values:

true | false

Examples:

true

void
	foo()
{
}

false

void
foo()
{
}

Indent 'case' from 'switch'

Property names:

[resharper_]cpp_indent_switch_labels, [resharper_]indent_switch_labels

Possible values:

true | false

Examples:

true

switch (expression)
{
	case 0:
		{
			foo();
			break;
		}
}

false

switch (expression)
{
case 0:
	{
		foo();
		break;
	}
}

Indent function declarations' parentheses

Property names:

[resharper_]cpp_indent_method_decl_pars, [resharper_]indent_method_decl_pars

Possible values:

  • inside: Inside parenthesis (BSD/K&R style)

  • outside: Parenthesis and inside equally (Whitesmiths style)

  • outside_and_inside: Parenthesis 1x, inside 2x (GNU style)

  • none: No indent

Examples:

inside

void Method(
	int parameter1,
	int parameter2
);

outside

void Method(
	int parameter1,
	int parameter2
	);

outside_and_inside

void Method(
		int parameter1,
		int parameter2
	);

none

void Method(
int parameter1,
int parameter2
);

Indent method calls' parentheses

Property names:

[resharper_]cpp_indent_invocation_pars, [resharper_]indent_invocation_pars

Possible values:

  • inside: Inside parenthesis (BSD/K&R style)

  • outside: Parenthesis and inside equally (Whitesmiths style)

  • outside_and_inside: Parenthesis 1x, inside 2x (GNU style)

  • none: No indent

Examples:

inside

Method(
	parameter1,
	parameter2
);

outside

Method(
	parameter1,
	parameter2
	);

outside_and_inside

Method(
		parameter1,
		parameter2
	);

none

Method(
parameter1,
parameter2
);

Indent statement (if, while, for, etc) parentheses

Property names:

[resharper_]cpp_indent_statement_pars, [resharper_]indent_statement_pars

Possible values:

  • inside: Inside parenthesis (BSD/K&R style)

  • outside: Parenthesis and inside equally (Whitesmiths style)

  • outside_and_inside: Parenthesis 1x, inside 2x (GNU style)

  • none: No indent

Examples:

inside

if (
	condition1 &&
	condition2
)
	return;

outside

if (
	condition1 &&
	condition2
	)
	return;

outside_and_inside

if (
		condition1 &&
		condition2
	)
	return;

none

if (
condition1 &&
condition2
)
	return;

Preprocessor directives indenting

Property names:

[resharper_]cpp_indent_preprocessor_directives, [resharper_]indent_preprocessor_directives

Possible values:

  • none: No indent

  • normal: Indent

  • do_not_change: Do not change

Examples:

none

void sections()
{
#pragma omp sections
	{
		int x;
	}
}

normal

void sections()
{
	#pragma omp sections
	{
		int x;
	}
}

do_not_change

void sections()
{
#pragma omp sections
	{
		int x;
	}
}

Indent C++/CLI generic constraints

Property names:

[resharper_]cpp_indent_type_constraints, [resharper_]indent_type_constraints

Possible values:

true | false

Examples:

true

generic<class T1>
class C1

where T1 : I1
	{};

false

generic<class T1>
class C1

where T1 : I1
	{};

Indent comments started at the first column

Property names:

[resharper_]cpp_indent_comment, [resharper_]indent_comment

Possible values:

true | false

Examples:

true

namespace N
{
	// Some comment
	class C1
	{
	};
};

false

namespace N
{
// Some comment
	class C1
	{
	};
};

Place comments at the first column when commenting out code

Property names:

[resharper_]cpp_place_comments_at_first_column, [resharper_]place_comments_at_first_column

Place comments at the first column when commenting out code. Otherwise, comments will use the indentation level of the commented code.

Possible values:

true | false

Align multiline construct

Declarators in declaration

Property names:

[resharper_]cpp_align_multiple_declaration, [resharper_]align_multiple_declaration

Possible values:

true | false

Examples:

true

int first,
    second

false

int first,
	second

Function parameters

Property names:

[resharper_]cpp_align_multiline_parameter, [resharper_]align_multiline_parameter

Possible values:

true | false

Examples:

true

double average(double first,
               double second);

false

double average(double first,
	double second);

Call arguments

Property names:

[resharper_]cpp_align_multiline_argument, [resharper_]align_multiline_argument

Possible values:

true | false

Examples:

true

object.method(first,
              second);

false

object.method(first,
	second);

First call argument by '('

Property names:

[resharper_]cpp_align_first_arg_by_paren, [resharper_]align_first_arg_by_paren

Possible values:

true | false

Examples:

true

object.method(
              first,
              second);

false

object.method(
	first,
	second);

Initializer list arguments

Property names:

[resharper_]cpp_align_multiline_expression_braces, [resharper_]align_multiline_expression_braces

Possible values:

true | false

Examples:

true

int a[6] = {1, 2, 3
            4, 5, 6};

false

int a[6] = {1, 2, 3
	4, 5, 6};

Template parameters in template declaration

Property names:

[resharper_]cpp_align_multiline_type_parameter, [resharper_]align_multiline_type_parameter

Possible values:

true | false

Examples:

true

template <typename K,
          typename V>
struct map;

false

template <typename K,
	typename V>
struct map;

Template arguments

Property names:

[resharper_]cpp_align_multiline_type_argument, [resharper_]align_multiline_type_argument

Possible values:

true | false

Examples:

true

std::map<char*,
         MyStruct> my_map;

false

std::map<char*,
	MyStruct> my_map;

Base classes in class base clause

Property names:

[resharper_]cpp_align_multiline_extends_list, [resharper_]align_multiline_extends_list

Possible values:

true | false

Examples:

true

struct MyStruct : Base1,
                  Base2
{
};

false

struct MyStruct : Base1,
	Base2
{
};

Member initializers in member initializer lists

Property names:

[resharper_]cpp_align_multiline_ctor_init, [resharper_]align_multiline_ctor_init

Possible values:

true | false

Examples:

true

struct MyStruct
{
	MyStruct() : first(f),
	             second(s)
	{
	}
};

false

struct MyStruct
{
	MyStruct() : first(f),
		second(s)
	{
	}
};

Outdent commas

Property names:

[resharper_]cpp_outdent_commas, [resharper_]outdent_commas

Possible values:

true | false

Examples:

true

class Class<
		T1
, T3> :
	Base
, SomeInterface
{
	void fooCall(
		int firstParameter
	  , int secondParameter)
	{
		fooCall(
			firstParameter
, secondParameter);
	}
}

false

class Class<
		T1
		, T3> :
	Base
	, SomeInterface
{
	void fooCall(
		int firstParameter
		, int secondParameter)
	{
		fooCall(
			firstParameter
			, secondParameter);
	}
}

?: operator

Property names:

[resharper_]cpp_align_ternary, [resharper_]align_ternary

Possible values:

  • align_all: Align

  • align_not_nested: Align except when nested

  • none: No align

Examples:

align_all

int var = 56 + (cond1
	                ? result1
	                : cond2
		                  ? result2
		                  : result3);

align_not_nested

int var = 56 + (cond1
	                ? result1
	                : cond2
	                ? result2
	                : result3);

none

int var = 56 + (cond1
	? result1
	: cond2
	? result2
	: result3);

Indent aligned ?: operator

Property names:

[resharper_]cpp_indent_aligned_ternary, [resharper_]indent_aligned_ternary

Possible values:

true | false

Examples:

true

int var = 56 + (cond1
	                ? result1
	                : cond2
	                ? result2
	                : result3);

false

int var = 56 + (cond1
                ? result1
                : cond2
                ? result2
                : result3);

Chained method calls

Property names:

[resharper_]cpp_align_multiline_calls_chain, [resharper_]align_multiline_calls_chain

Possible values:

true | false

Examples:

true

struct X
{
	X foo(X x)
	{
		x.foo()
		 .foo()
		 .foo();
	}
};

false

struct X
{
	X foo(X x)
	{
		x.foo()
			.foo()
			.foo();
	}
};

Outdent '.' and '->' in chained method calls

Property names:

[resharper_]cpp_outdent_dots, [resharper_]outdent_dots

Possible values:

true | false

Examples:

true

auto a =
	MyVar
.SomeMethod()
->OtherMethod()
.ThirdMethod();
auto b = MyVar
        .SomeMethod()
       ->OtherMethod()
        .ThirdMethod();

false

auto a =
	MyVar
	.SomeMethod()
	->OtherMethod()
	.ThirdMethod();
auto b = MyVar
         .SomeMethod()
         ->OtherMethod()
         .ThirdMethod();

Chained binary expressions

Property names:

[resharper_]cpp_align_multiline_binary_expressions_chain, [resharper_]align_multiline_binary_expressions_chain

Possible values:

true | false

Examples:

true

int var = 1
          + 2
          + 3;

false

int var = 1
	+ 2
	+ 3;

Align similar code in columns

Fix column alignment in adjacent lines

Property names:

[resharper_]cpp_int_align_fix_in_adjacent, [resharper_]int_align_fix_in_adjacent

When formatting selected code, also fix column alignment in the adjacent lines if needed

Possible values:

true | false

Assignments

Property names:

[resharper_]cpp_int_align_eq, [resharper_]int_align_eq

Possible values:

true | false

Examples:

true

const char* x   = "x";
SomeClass xxxxx = "xxxxx";
int xxx;
int& y = xxx;

false

const char* x = "x";
SomeClass xxxxx = "xxxxx";
int xxx;
int& y = xxx;

Declaration names

Property names:

[resharper_]cpp_int_align_declaration_names, [resharper_]int_align_declaration_names

Possible values:

true | false

Examples:

true

const char* x = "x";
SomeClass   xxxxx = "xxxxx";
int         xxx;
int&        y = xxx;

false

const char* x = "x";
SomeClass xxxxx = "xxxxx";
int xxx;
int& y = xxx;

Enum initializers

Property names:

[resharper_]cpp_int_align_enum_initializers, [resharper_]int_align_enum_initializers

Possible values:

true | false

Examples:

true

enum class Direction
{
	up    = 0b00000001,
	down  = 0b00000010,
	left  = 0b00000100,
	right = 0b00001000
};

false

enum class Direction
{
	up = 0b00000001,
	down = 0b00000010,
	left = 0b00000100,
	right = 0b00001000
};

Bit-field sizes

Property names:

[resharper_]cpp_int_align_bitfield_sizes, [resharper_]int_align_bitfield_sizes

Possible values:

true | false

Examples:

true

struct C
{
	int first  : 1;
	int second : 2;
};

false

struct C
{
	int first : 1;
	int second : 2;
};

End comments

Property names:

[resharper_]cpp_int_align_comments, [resharper_]int_align_comments

Possible values:

true | false

Examples:

true

void foo()
{
	DoSomething();       // I'm
	auto y = 6;          // forced
	while (y > 0) y--;   // to
	DoSomethingElse();   /* document */
	auto z = 10;         /* my code */
	while (z < 100) z++; /* profusely */
}

false

void foo()
{
	DoSomething(); // I'm
	auto y = 6; // forced
	while (y > 0) y--; // to
	DoSomethingElse(); /* document */
	auto z = 10; /* my code */
	while (z < 100) z++; /* profusely */
}