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  4. EditorConfig properties for C++: Line breaks and Wrapping

EditorConfig properties for C++: Line breaks and Wrapping

Last modified: 26 May 2024

tip

Formatting preferences listed on this page can be also configured visually, on the Editor | Code Style | C++ | Line breaks and Wrapping page of JetBrains Rider settings CtrlAlt0S.

General

Line feed at end of file

Property names:

insert_final_newline, [resharper_]cpp_insert_final_newline

Possible values:

true | false

Place on new line

Place 'else' on a new line after a compound statement

Property names:

[resharper_]cpp_new_line_before_else, [resharper_]new_line_before_else

Possible values:

true | false

Examples:

true

if (true)
{
	foo();
}
else
{
	foo();
}

false

if (true)
{
	foo();
} else
{
	foo();
}

Place 'while' on a new line after a compound statement

Property names:

[resharper_]cpp_new_line_before_while, [resharper_]new_line_before_while

Possible values:

true | false

Examples:

true

do
{
	foo();
}
while (true);

false

do
{
	foo();
} while (true);

Place 'catch' on a new line after a compound statement

Property names:

[resharper_]cpp_new_line_before_catch, [resharper_]new_line_before_catch

Possible values:

true | false

Examples:

true

try
{
	foo();
}
catch (...)
{
	foo();
}

false

try
{
	foo();
} catch (...)
{
	foo();
}

Break line in single embedded statement

Property names:

[resharper_]cpp_simple_embedded_statement_style, [resharper_]simple_embedded_statement_style

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

if (true) foo();
else
	foo();

on_single_line

if (true) foo();
else foo();

line_break

if (true)
	foo();
else
	foo();

Break line in simple 'case' statement

Property names:

[resharper_]cpp_simple_case_statement_style, [resharper_]simple_case_statement_style

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

switch (a)
{
case b: break;
case c:
	break;
}

on_single_line

switch (a)
{
case b: break;
case c: break;
}

line_break

switch (a)
{
case b:
	break;
case c:
	break;
}

Break line after member function definition return type

Property names:

[resharper_]cpp_function_definition_return_type_style, [resharper_]function_definition_return_type_style

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

struct Boo
{
	int* foo() { return 0; }

	char*
	bar() { return 0; }
};

on_single_line

struct Boo
{
	int* foo() { return 0; }
	char* bar() { return 0; }
};

line_break

struct Boo
{
	int*
	foo() { return 0; }

	char*
	bar() { return 0; }
};

Break line after top-level function definition return type

Property names:

[resharper_]cpp_toplevel_function_definition_return_type_style, [resharper_]toplevel_function_definition_return_type_style

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

int* foo() { return 0; }

char*
bar() { return 0; }

on_single_line

int* foo() { return 0; }
char* bar() { return 0; }

line_break

int*
foo() { return 0; }

char*
bar() { return 0; }

Break line after member function declaration return type

Property names:

[resharper_]cpp_function_declaration_return_type_style, [resharper_]function_declaration_return_type_style

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

struct Boo
{
	int* foo();
	char*
	bar();
};

on_single_line

struct Boo
{
	int* foo();
	char* bar();
};

line_break

struct Boo
{
	int*
	foo();
	char*
	bar();
};

Break line after top-level function declaration return type

Property names:

[resharper_]cpp_toplevel_function_declaration_return_type_style, [resharper_]toplevel_function_declaration_return_type_style

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

int* foo();
char*
bar();

on_single_line

int* foo();
char* bar();

line_break

int*
foo();
char*
bar();

Break line after the template<...> of a template declaration

Property names:

[resharper_]cpp_break_template_declaration, [resharper_]break_template_declaration

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

template <class T>
void foo();
template <class T> void bar();

on_single_line

template <class T> void foo();
template <class T> void bar();

line_break

template <class T>
void foo();
template <class T>
void bar();

Break line after init-statement

Property names:

[resharper_]cpp_line_break_after_init_statement, [resharper_]line_break_after_init_statement

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

if (bool b = true; b)
	foo();

on_single_line

if (bool b = true; b)
	foo();

line_break

if (bool b = true;
	b)
	foo();

Break line before the requires-clause

Property names:

[resharper_]cpp_line_break_before_requires_clause, [resharper_]line_break_before_requires_clause

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

template <bool T>
	requires T
void foo();
template <bool T> requires T
void bar();

on_single_line

template <bool T> requires T
void foo();
template <bool T> requires T
void bar();

line_break

template <bool T>
	requires T
void foo();
template <bool T>
	requires T
void bar();

Break line before colon in member initializer lists

Property names:

[resharper_]cpp_member_initializer_list_style, [resharper_]member_initializer_list_style

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

struct X
{
	X(): x(0)
	{
	}

	X(int x)
		: x(x)
	{
	}

	int x;
};

on_single_line

struct X
{
	X(): x(0)
	{
	}

	X(int x): x(x)
	{
	}

	int x;
};

line_break

struct X
{
	X()
		: x(0)
	{
	}

	X(int x)
		: x(x)
	{
	}

	int x;
};

Break line after colon in member initializer lists

Property names:

[resharper_]cpp_line_break_after_colon_in_member_initializer_lists, [resharper_]line_break_after_colon_in_member_initializer_lists

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

struct X
{
	X(): x(0)
	{
	}

	X(int x)
		: x(x)
	{
	}

	int x;
};

on_single_line

struct X
{
	X(): x(0)
	{
	}

	X(int x)
		: x(x)
	{
	}

	int x;
};

line_break

struct X
{
	X():
		x(0)
	{
	}

	X(int x)
		:
		x(x)
	{
	}

	int x;
};

Break line before '->' in trailing return types

Property names:

[resharper_]cpp_line_break_before_deref_in_trailing_return_types, [resharper_]line_break_before_deref_in_trailing_return_types

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

auto foo() -> int
{
}

on_single_line

auto foo() -> int
{
}

line_break

auto foo()
	-> int
{
}

Break line after '->' in trailing return types

Property names:

[resharper_]cpp_line_break_after_deref_in_trailing_return_types, [resharper_]line_break_after_deref_in_trailing_return_types

Possible values:

  • do_not_change: Do not change

  • on_single_line: Force put on single line

  • line_break: Force line breaks

Examples:

do_not_change

auto foo() -> int
{
}

on_single_line

auto foo() -> int
{
}

line_break

auto foo() ->
	int
{
}

Break line before comma in member initializer lists

Property names:

[resharper_]cpp_line_break_before_comma_in_member_initializer_lists, [resharper_]line_break_before_comma_in_member_initializer_lists

Possible values:

true | false

Examples:

true

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

false

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

Break line after comma in member initializer lists

Property names:

[resharper_]cpp_line_break_after_comma_in_member_initializer_lists, [resharper_]line_break_after_comma_in_member_initializer_lists

Possible values:

true | false

Examples:

true

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

false

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

Allow C++/CLI generic constraints on the same line

Property names:

[resharper_]cpp_place_type_constraints_on_same_line, [resharper_]place_type_constraints_on_same_line

Possible values:

true | false

Examples:

true

generic<class T>
class C
where T : IEnumerable{};

false

generic<class T>
class C
where T : IEnumerable{};

Line wrapping

Keep existing line breaks

Property names:

[resharper_]cpp_keep_user_linebreaks, [resharper_]keep_user_linebreaks

Possible values:

true | false

Examples:

Before formatting

After formatting, true

int var = condition
  ? SomeFunc1()
  : SomeFunc2();
int var = condition
	          ? SomeFunc1()
	          : SomeFunc2();

Before formatting

After formatting, false

int var = condition
  ? SomeFunc1()
  : SomeFunc2();
int var = condition ? SomeFunc1() : SomeFunc2();

Hard wrap at

Property names:

max_line_length, [resharper_]cpp_max_line_length

Possible values:

an integer

Prefer to wrap before ','

Property names:

[resharper_]cpp_wrap_before_comma, [resharper_]wrap_before_comma

Possible values:

true | false

Examples:

true

CallMethod(arg1, arg2, arg3
           , arg4, arg5, arg6
           , arg7);

false

CallMethod(arg1, arg2, arg3,
           arg4, arg5, arg6,
           arg7);

Prefer to wrap before ',' in base clause

Property names:

[resharper_]cpp_wrap_before_comma_in_base_clause, [resharper_]wrap_before_comma_in_base_clause

Possible values:

true | false

Examples:

true

class Derived : BaseClass, I1
                , I2, I3, I4
{
}

false

class Derived : BaseClass, I1,
                I2, I3, I4
{
}

Wrap ternary expression

Property names:

[resharper_]cpp_wrap_ternary_expr_style, [resharper_]wrap_ternary_expr_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

myField = someCondition ? true
	          : false;

chop_if_long

myField = someCondition
	          ? true
	          : false;

chop_always

myField = someCondition
	          ? true
	          : false;

Prefer to wrap before '?' and ':' in ternary expressions

Property names:

[resharper_]cpp_wrap_before_ternary_opsigns, [resharper_]wrap_before_ternary_opsigns

Possible values:

true | false

Examples:

true

return
	hereGoesSomeBoolExpression
		? returnThisIfTrue
		: returnThatIfFalse;

false

return
	hereGoesSomeBoolExpression ?
		returnThisIfTrue :
		returnThatIfFalse;

Prefer to wrap before ':'

Property names:

[resharper_]cpp_wrap_before_colon, [resharper_]wrap_before_colon

Possible values:

true | false

Examples:

true

class Derived
	: BaseClass, I1, I2, I3, I4
{
}

false

class Derived : BaseClass, I1,
                I2, I3, I4
{
}

Prefer to wrap before first C++/CLI generic constraint

Property names:

[resharper_]cpp_wrap_before_first_type_parameter_constraint, [resharper_]wrap_before_first_type_parameter_constraint

Possible values:

true | false

Examples:

true

generic<class T1, T2, T3>
class C
where T1: I1
where T2: I2
where T3 : ref

class
{
};

false

generic<class T1, T2, T3>
class C
where T1: I1
where T2: I2
where T3 : ref

class
{
};

Wrap multiple C++/CLI generic constraints

Property names:

[resharper_]cpp_wrap_multiple_type_parameter_constraints_style, [resharper_]wrap_multiple_type_parameter_constraints_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

generic<class T1, T2, T3>
class C
where T1: I1
where T2: I2
where T3 : ref

class
{
};

chop_if_long

generic<class T1, T2, T3>
class C
where T1: I1
where T2: I2
where T3 : ref

class
{
};

chop_always

generic<class T1, T2, T3>
class C
where T1: I1
where T2: I2
where T3 : ref

class
{
};

Wrap enum definition

Property names:

[resharper_]cpp_wrap_enumeration_style, [resharper_]wrap_enumeration_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

enum
{
	ONE, TWO, THREE, FOUR,
	FIVE, SIX, SEVEN
};

chop_if_long

enum
{
	ONE,
	TWO,
	THREE,
	FOUR,
	FIVE,
	SIX,
	SEVEN
};

chop_always

enum
{
	ONE,
	TWO,
	THREE,
	FOUR,
	FIVE,
	SIX,
	SEVEN
};

Wrap braced initializer list

Property names:

[resharper_]cpp_wrap_braced_init_list_style, [resharper_]wrap_braced_init_list_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

std::map<int, std::string> m =
{
	{1, "a"},
	{2, {'a', 'b', 'c'}},
	{3, s1}, {4, s2}
};

chop_if_long

std::map<int, std::string> m =
{
	{1, "a"},
	{2, {'a', 'b', 'c'}},
	{3, s1},
	{4, s2}
};

chop_always

std::map<int, std::string> m =
{
	{
		1,
		"a"
	},
	{
		2,
		{
			'a',
			'b',
			'c'
		}
	},
	{
		3,
		s1
	},
	{
		4,
		s2
	}
};

Wrap base classes list

Property names:

[resharper_]cpp_wrap_base_clause_style, [resharper_]wrap_base_clause_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

class Derived : BaseClass, I1,
                I2, I3, I4
{
}

chop_if_long

class Derived : BaseClass,
                I1,
                I2,
                I3,
                I4
{
}

chop_always

class Derived : BaseClass,
                I1,
                I2,
                I3,
                I4
{
}

Wrap constructor initializer

Property names:

[resharper_]cpp_wrap_ctor_initializer_style, [resharper_]wrap_ctor_initializer_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

struct XXX
{
	X(): x(0), y(0), z(0)
	{
	}

	XXX(int x, int y, int z) :
		x(x), y(y), z(z)
	{
	}

	int x;
	int y;
	int z;
};

chop_if_long

struct XXX
{
	X(): x(0), y(0), z(0)
	{
	}

	XXX(int x, int y, int z) :
		x(x),
		y(y),
		z(z)
	{
	}

	int x;
	int y;
	int z;
};

chop_always

struct XXX
{
	X(): x(0),
	     y(0),
	     z(0)
	{
	}

	XXX(int x, int y, int z) :
		x(x),
		y(y),
		z(z)
	{
	}

	int x;
	int y;
	int z;
};

Wrap formal parameters

Property names:

[resharper_]cpp_wrap_parameters_style, [resharper_]wrap_parameters_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

void SomeMethod(int p1, int p2,
                int p3, int p4)
{
}

chop_if_long

void SomeMethod(int p1,
                int p2,
                int p3,
                int p4)
{
}

chop_always

void SomeMethod(int p1,
                int p2,
                int p3,
                int p4)
{
}

Prefer to wrap before '(' in declaration

Property names:

[resharper_]cpp_wrap_before_declaration_lpar, [resharper_]wrap_before_declaration_lpar

Possible values:

true | false

Examples:

true

void SomeMethod
(int p1, int p2, int p3,
 int p4)
{
}

false

void SomeMethod(int p1, int p2,
                int p3, int p4)
{
}

Prefer to wrap after '(' in declaration

Property names:

[resharper_]cpp_wrap_after_declaration_lpar, [resharper_]wrap_after_declaration_lpar

Possible values:

true | false

Examples:

true

void SomeMethod(
	int p1, int p2, int p3,
	int p4)
{
}

false

void SomeMethod(int p1, int p2,
                int p3, int p4)
{
}

Prefer to wrap before ')' in declaration

Property names:

[resharper_]cpp_wrap_before_declaration_rpar, [resharper_]wrap_before_declaration_rpar

Possible values:

true | false

Examples:

true

void SomeMethod(int p1, int p2,
                int p3, int p4
)
{
}

false

void SomeMethod(int p1, int p2,
                int p3, int p4)
{
}

Wrap invocation arguments

Property names:

[resharper_]cpp_wrap_arguments_style, [resharper_]wrap_arguments_style

Possible values:

  • wrap_if_long: Simple wrap

  • chop_if_long: Chop if long or multiline

  • chop_always: Chop always

Examples:

wrap_if_long

CallMethod(arg1, arg2, arg3,
           arg4, arg5);

chop_if_long

CallMethod(arg1,
           arg2,
           arg3,
           arg4,
           arg5);

chop_always

CallMethod(arg1,
           arg2,
           arg3,
           arg4,
           arg5);

Prefer to wrap before '(' in invocation

Property names:

[resharper_]cpp_wrap_before_invocation_lpar, [resharper_]wrap_before_invocation_lpar

Possible values:

true | false

Examples:

true

CallMethod
(arg1, arg2, arg3, arg4,
 arg5);

false

CallMethod(arg1, arg2, arg3,
           arg4, arg5);

Prefer to wrap after '(' in invocation

Property names:

[resharper_]cpp_wrap_after_invocation_lpar, [resharper_]wrap_after_invocation_lpar

Possible values:

true | false

Examples:

true

CallMethod(
	arg1, arg2, arg3, arg4,
	arg5);

false

CallMethod(arg1, arg2, arg3,
           arg4, arg5);

Prefer to wrap before ')' in invocation

Property names:

[resharper_]cpp_wrap_before_invocation_rpar, [resharper_]wrap_before_invocation_rpar

Possible values:

true | false

Examples:

true

CallMethod(arg1, arg2, arg3,
           arg4, arg5
);

false

CallMethod(arg1, arg2, arg3,
           arg4, arg5);

Prefer to wrap after '{' in initializer lists

Property names:

[resharper_]cpp_wrap_after_expression_lbrace, [resharper_]wrap_after_expression_lbrace

Possible values:

true | false

Examples:

true

map<int, string> m = {
	{1, "a"},
	{2, {'a', 'b', 'c'}},
	{3, s1}, {4, s2}
};

false

map<int, string> m = {{1, "a"},
	{2, {'a', 'b', 'c'}},
	{3, s1}, {4, s2}
};

Prefer to wrap before '}' in initializer lists

Property names:

[resharper_]cpp_wrap_before_expression_rbrace, [resharper_]wrap_before_expression_rbrace

Possible values:

true | false

Examples:

true

map<int, string> m = {
	{1, "a"},
	{2, {'a', 'b', 'c'}},
	{3, s1}, {4, s2}
};

false

map<int, string> m = {
	{1, "a"},
	{2, {'a', 'b', 'c'}},
	{3, s1}, {4, s2}};