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Format.h
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Format.h
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//===--- Format.h - Format C++ code -----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Various functions to configurably format source code.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FORMAT_FORMAT_H
#define LLVM_CLANG_FORMAT_FORMAT_H
#include "clang/Basic/LangOptions.h"
#include "clang/Tooling/Core/Replacement.h"
#include "clang/Tooling/Inclusions/IncludeStyle.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Support/Regex.h"
#include <system_error>
namespace llvm {
namespace vfs {
class FileSystem;
}
} // namespace llvm
namespace clang {
class Lexer;
class SourceManager;
class DiagnosticConsumer;
namespace format {
enum class ParseError {
Success = 0,
Error,
Unsuitable,
BinPackTrailingCommaConflict
};
class ParseErrorCategory final : public std::error_category {
public:
const char *name() const noexcept override;
std::string message(int EV) const override;
};
const std::error_category &getParseCategory();
std::error_code make_error_code(ParseError e);
/// The ``FormatStyle`` is used to configure the formatting to follow
/// specific guidelines.
struct FormatStyle {
/// The extra indent or outdent of access modifiers, e.g. ``public:``.
int AccessModifierOffset;
/// Different styles for aligning after open brackets.
enum BracketAlignmentStyle {
/// Align parameters on the open bracket, e.g.:
/// \code
/// someLongFunction(argument1,
/// argument2);
/// \endcode
BAS_Align,
/// Don't align, instead use ``ContinuationIndentWidth``, e.g.:
/// \code
/// someLongFunction(argument1,
/// argument2);
/// \endcode
BAS_DontAlign,
/// Always break after an open bracket, if the parameters don't fit
/// on a single line, e.g.:
/// \code
/// someLongFunction(
/// argument1, argument2);
/// \endcode
BAS_AlwaysBreak,
};
/// If ``true``, horizontally aligns arguments after an open bracket.
///
/// This applies to round brackets (parentheses), angle brackets and square
/// brackets.
BracketAlignmentStyle AlignAfterOpenBracket;
/// \brief If ``true``, aligns consecutive C/C++ preprocessor macros.
///
/// This will align C/C++ preprocessor macros of consecutive lines.
/// Will result in formattings like
/// \code
/// #define SHORT_NAME 42
/// #define LONGER_NAME 0x007f
/// #define EVEN_LONGER_NAME (2)
/// #define foo(x) (x * x)
/// #define bar(y, z) (y + z)
/// \endcode
bool AlignConsecutiveMacros;
/// If ``true``, aligns consecutive assignments.
///
/// This will align the assignment operators of consecutive lines. This
/// will result in formattings like
/// \code
/// int aaaa = 12;
/// int b = 23;
/// int ccc = 23;
/// \endcode
bool AlignConsecutiveAssignments;
/// If ``true``, aligns consecutive bitfield members.
///
/// This will align the bitfield separators of consecutive lines. This
/// will result in formattings like
/// \code
/// int aaaa : 1;
/// int b : 12;
/// int ccc : 8;
/// \endcode
bool AlignConsecutiveBitFields;
/// If ``true``, aligns consecutive declarations.
///
/// This will align the declaration names of consecutive lines. This
/// will result in formattings like
/// \code
/// int aaaa = 12;
/// float b = 23;
/// std::string ccc = 23;
/// \endcode
bool AlignConsecutiveDeclarations;
/// Different styles for aligning escaped newlines.
enum EscapedNewlineAlignmentStyle {
/// Don't align escaped newlines.
/// \code
/// #define A \
/// int aaaa; \
/// int b; \
/// int dddddddddd;
/// \endcode
ENAS_DontAlign,
/// Align escaped newlines as far left as possible.
/// \code
/// true:
/// #define A \
/// int aaaa; \
/// int b; \
/// int dddddddddd;
///
/// false:
/// \endcode
ENAS_Left,
/// Align escaped newlines in the right-most column.
/// \code
/// #define A \
/// int aaaa; \
/// int b; \
/// int dddddddddd;
/// \endcode
ENAS_Right,
};
/// Options for aligning backslashes in escaped newlines.
EscapedNewlineAlignmentStyle AlignEscapedNewlines;
/// Different styles for aligning operands.
enum OperandAlignmentStyle {
/// Do not align operands of binary and ternary expressions.
/// The wrapped lines are indented ``ContinuationIndentWidth`` spaces from
/// the start of the line.
OAS_DontAlign,
/// 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.:
/// \code
/// int aaa = bbbbbbbbbbbbbbb +
/// ccccccccccccccc;
/// \endcode
///
/// When ``BreakBeforeBinaryOperators`` is set, the wrapped operator is
/// aligned with the operand on the first line.
/// \code
/// int aaa = bbbbbbbbbbbbbbb
/// + ccccccccccccccc;
/// \endcode
OAS_Align,
/// Horizontally align operands of binary and ternary expressions.
///
/// This is similar to ``AO_Align``, except when
/// ``BreakBeforeBinaryOperators`` is set, the operator is un-indented so
/// that the wrapped operand is aligned with the operand on the first line.
/// \code
/// int aaa = bbbbbbbbbbbbbbb
/// + ccccccccccccccc;
/// \endcode
OAS_AlignAfterOperator,
};
/// If ``true``, horizontally align operands of binary and ternary
/// expressions.
OperandAlignmentStyle AlignOperands;
/// If ``true``, aligns trailing comments.
/// \code
/// true: false:
/// int a; // My comment a vs. int a; // My comment a
/// int b = 2; // comment b int b = 2; // comment about b
/// \endcode
bool AlignTrailingComments;
/// \brief If a function call or braced initializer list doesn't fit on a
/// line, allow putting all arguments onto the next line, even if
/// ``BinPackArguments`` is ``false``.
/// \code
/// true:
/// callFunction(
/// a, b, c, d);
///
/// false:
/// callFunction(a,
/// b,
/// c,
/// d);
/// \endcode
bool AllowAllArgumentsOnNextLine;
/// \brief If a constructor definition with a member initializer list doesn't
/// fit on a single line, allow putting all member initializers onto the next
/// line, if ```ConstructorInitializerAllOnOneLineOrOnePerLine``` is true.
/// Note that this parameter has no effect if
/// ```ConstructorInitializerAllOnOneLineOrOnePerLine``` is false.
/// \code
/// true:
/// MyClass::MyClass() :
/// member0(0), member1(2) {}
///
/// false:
/// MyClass::MyClass() :
/// member0(0),
/// member1(2) {}
bool AllowAllConstructorInitializersOnNextLine;
/// If the function declaration doesn't fit on a line,
/// allow putting all parameters of a function declaration onto
/// the next line even if ``BinPackParameters`` is ``false``.
/// \code
/// true:
/// void myFunction(
/// int a, int b, int c, int d, int e);
///
/// false:
/// void myFunction(int a,
/// int b,
/// int c,
/// int d,
/// int e);
/// \endcode
bool AllowAllParametersOfDeclarationOnNextLine;
/// Allow short enums on a single line.
/// \code
/// true:
/// enum { A, B } myEnum;
///
/// false:
/// enum
/// {
/// A,
/// B
/// } myEnum;
/// \endcode
bool AllowShortEnumsOnASingleLine;
/// Different styles for merging short blocks containing at most one
/// statement.
enum ShortBlockStyle {
/// Never merge blocks into a single line.
/// \code
/// while (true) {
/// }
/// while (true) {
/// continue;
/// }
/// \endcode
SBS_Never,
/// Only merge empty blocks.
/// \code
/// while (true) {}
/// while (true) {
/// continue;
/// }
/// \endcode
SBS_Empty,
/// Always merge short blocks into a single line.
/// \code
/// while (true) {}
/// while (true) { continue; }
/// \endcode
SBS_Always,
};
/// Dependent on the value, ``while (true) { continue; }`` can be put on a
/// single line.
ShortBlockStyle AllowShortBlocksOnASingleLine;
/// If ``true``, short case labels will be contracted to a single line.
/// \code
/// true: false:
/// switch (a) { vs. switch (a) {
/// case 1: x = 1; break; case 1:
/// case 2: return; x = 1;
/// } break;
/// case 2:
/// return;
/// }
/// \endcode
bool AllowShortCaseLabelsOnASingleLine;
/// Different styles for merging short functions containing at most one
/// statement.
enum ShortFunctionStyle {
/// Never merge functions into a single line.
SFS_None,
/// Only merge functions defined inside a class. Same as "inline",
/// except it does not implies "empty": i.e. top level empty functions
/// are not merged either.
/// \code
/// class Foo {
/// void f() { foo(); }
/// };
/// void f() {
/// foo();
/// }
/// void f() {
/// }
/// \endcode
SFS_InlineOnly,
/// Only merge empty functions.
/// \code
/// void f() {}
/// void f2() {
/// bar2();
/// }
/// \endcode
SFS_Empty,
/// Only merge functions defined inside a class. Implies "empty".
/// \code
/// class Foo {
/// void f() { foo(); }
/// };
/// void f() {
/// foo();
/// }
/// void f() {}
/// \endcode
SFS_Inline,
/// Merge all functions fitting on a single line.
/// \code
/// class Foo {
/// void f() { foo(); }
/// };
/// void f() { bar(); }
/// \endcode
SFS_All,
};
/// Dependent on the value, ``int f() { return 0; }`` can be put on a
/// single line.
ShortFunctionStyle AllowShortFunctionsOnASingleLine;
/// Different styles for handling short if lines
enum ShortIfStyle {
/// Never put short ifs on the same line.
/// \code
/// if (a)
/// return ;
/// else {
/// return;
/// }
/// \endcode
SIS_Never,
/// Without else put short ifs on the same line only if
/// the else is not a compound statement.
/// \code
/// if (a) return;
/// else
/// return;
/// \endcode
SIS_WithoutElse,
/// Always put short ifs on the same line if
/// the else is not a compound statement or not.
/// \code
/// if (a) return;
/// else {
/// return;
/// }
/// \endcode
SIS_Always,
};
/// If ``true``, ``if (a) return;`` can be put on a single line.
ShortIfStyle AllowShortIfStatementsOnASingleLine;
/// Different styles for merging short lambdas containing at most one
/// statement.
enum ShortLambdaStyle {
/// Never merge lambdas into a single line.
SLS_None,
/// Only merge empty lambdas.
/// \code
/// auto lambda = [](int a) {}
/// auto lambda2 = [](int a) {
/// return a;
/// };
/// \endcode
SLS_Empty,
/// Merge lambda into a single line if argument of a function.
/// \code
/// auto lambda = [](int a) {
/// return a;
/// };
/// sort(a.begin(), a.end(), ()[] { return x < y; })
/// \endcode
SLS_Inline,
/// Merge all lambdas fitting on a single line.
/// \code
/// auto lambda = [](int a) {}
/// auto lambda2 = [](int a) { return a; };
/// \endcode
SLS_All,
};
/// Dependent on the value, ``auto lambda []() { return 0; }`` can be put on a
/// single line.
ShortLambdaStyle AllowShortLambdasOnASingleLine;
/// If ``true``, ``while (true) continue;`` can be put on a single
/// line.
bool AllowShortLoopsOnASingleLine;
/// Different ways to break after the function definition return type.
/// This option is **deprecated** and is retained for backwards compatibility.
enum DefinitionReturnTypeBreakingStyle {
/// Break after return type automatically.
/// ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
DRTBS_None,
/// Always break after the return type.
DRTBS_All,
/// Always break after the return types of top-level functions.
DRTBS_TopLevel,
};
/// Different ways to break after the function definition or
/// declaration return type.
enum ReturnTypeBreakingStyle {
/// Break after return type automatically.
/// ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
/// \code
/// class A {
/// int f() { return 0; };
/// };
/// int f();
/// int f() { return 1; }
/// \endcode
RTBS_None,
/// Always break after the return type.
/// \code
/// class A {
/// int
/// f() {
/// return 0;
/// };
/// };
/// int
/// f();
/// int
/// f() {
/// return 1;
/// }
/// \endcode
RTBS_All,
/// Always break after the return types of top-level functions.
/// \code
/// class A {
/// int f() { return 0; };
/// };
/// int
/// f();
/// int
/// f() {
/// return 1;
/// }
/// \endcode
RTBS_TopLevel,
/// Always break after the return type of function definitions.
/// \code
/// class A {
/// int
/// f() {
/// return 0;
/// };
/// };
/// int f();
/// int
/// f() {
/// return 1;
/// }
/// \endcode
RTBS_AllDefinitions,
/// Always break after the return type of top-level definitions.
/// \code
/// class A {
/// int f() { return 0; };
/// };
/// int f();
/// int
/// f() {
/// return 1;
/// }
/// \endcode
RTBS_TopLevelDefinitions,
};
/// The function definition return type breaking style to use. This
/// option is **deprecated** and is retained for backwards compatibility.
DefinitionReturnTypeBreakingStyle AlwaysBreakAfterDefinitionReturnType;
/// The function declaration return type breaking style to use.
ReturnTypeBreakingStyle AlwaysBreakAfterReturnType;
/// 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.
/// \code
/// true: false:
/// aaaa = vs. aaaa = "bbbb"
/// "bbbb" "cccc";
/// "cccc";
/// \endcode
bool AlwaysBreakBeforeMultilineStrings;
/// Different ways to break after the template declaration.
enum BreakTemplateDeclarationsStyle {
/// Do not force break before declaration.
/// ``PenaltyBreakTemplateDeclaration`` is taken into account.
/// \code
/// template <typename T> T foo() {
/// }
/// template <typename T> T foo(int aaaaaaaaaaaaaaaaaaaaa,
/// int bbbbbbbbbbbbbbbbbbbbb) {
/// }
/// \endcode
BTDS_No,
/// Force break after template declaration only when the following
/// declaration spans multiple lines.
/// \code
/// template <typename T> T foo() {
/// }
/// template <typename T>
/// T foo(int aaaaaaaaaaaaaaaaaaaaa,
/// int bbbbbbbbbbbbbbbbbbbbb) {
/// }
/// \endcode
BTDS_MultiLine,
/// Always break after template declaration.
/// \code
/// template <typename T>
/// T foo() {
/// }
/// template <typename T>
/// T foo(int aaaaaaaaaaaaaaaaaaaaa,
/// int bbbbbbbbbbbbbbbbbbbbb) {
/// }
/// \endcode
BTDS_Yes
};
/// The template declaration breaking style to use.
BreakTemplateDeclarationsStyle AlwaysBreakTemplateDeclarations;
/// A vector of strings that should be interpreted as attributes/qualifiers
/// instead of identifiers. This can be useful for language extensions or
/// static analyzer annotations.
///
/// For example:
/// \code
/// x = (char *__capability)&y;
/// int function(void) __ununsed;
/// void only_writes_to_buffer(char *__output buffer);
/// \endcode
///
/// In the .clang-format configuration file, this can be configured like:
/// \code{.yaml}
/// AttributeMacros: ['__capability', '__output', '__ununsed']
/// \endcode
///
std::vector<std::string> AttributeMacros;
/// If ``false``, a function call's arguments will either be all on the
/// same line or will have one line each.
/// \code
/// true:
/// void f() {
/// f(aaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaa,
/// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);
/// }
///
/// false:
/// void f() {
/// f(aaaaaaaaaaaaaaaaaaaa,
/// aaaaaaaaaaaaaaaaaaaa,
/// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);
/// }
/// \endcode
bool BinPackArguments;
/// The style of inserting trailing commas into container literals.
enum TrailingCommaStyle {
/// Do not insert trailing commas.
TCS_None,
/// Insert trailing commas in container literals that were wrapped over
/// multiple lines. Note that this is conceptually incompatible with
/// bin-packing, because the trailing comma is used as an indicator
/// that a container should be formatted one-per-line (i.e. not bin-packed).
/// So inserting a trailing comma counteracts bin-packing.
TCS_Wrapped,
};
/// If set to ``TCS_Wrapped`` will insert trailing commas in container
/// literals (arrays and objects) that wrap across multiple lines.
/// It is currently only available for JavaScript
/// and disabled by default ``TCS_None``.
/// ``InsertTrailingCommas`` cannot be used together with ``BinPackArguments``
/// as inserting the comma disables bin-packing.
/// \code
/// TSC_Wrapped:
/// const someArray = [
/// aaaaaaaaaaaaaaaaaaaaaaaaaa,
/// aaaaaaaaaaaaaaaaaaaaaaaaaa,
/// aaaaaaaaaaaaaaaaaaaaaaaaaa,
/// // ^ inserted
/// ]
/// \endcode
TrailingCommaStyle InsertTrailingCommas;
/// 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.
/// \code
/// true:
/// void f(int aaaaaaaaaaaaaaaaaaaa, int aaaaaaaaaaaaaaaaaaaa,
/// int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}
///
/// false:
/// void f(int aaaaaaaaaaaaaaaaaaaa,
/// int aaaaaaaaaaaaaaaaaaaa,
/// int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}
/// \endcode
bool BinPackParameters;
/// The style of wrapping parameters on the same line (bin-packed) or
/// on one line each.
enum BinPackStyle {
/// Automatically determine parameter bin-packing behavior.
BPS_Auto,
/// Always bin-pack parameters.
BPS_Always,
/// Never bin-pack parameters.
BPS_Never,
};
/// The style of breaking before or after binary operators.
enum BinaryOperatorStyle {
/// Break after operators.
/// \code
/// LooooooooooongType loooooooooooooooooooooongVariable =
/// someLooooooooooooooooongFunction();
///
/// bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
/// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==
/// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
/// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >
/// ccccccccccccccccccccccccccccccccccccccccc;
/// \endcode
BOS_None,
/// Break before operators that aren't assignments.
/// \code
/// LooooooooooongType loooooooooooooooooooooongVariable =
/// someLooooooooooooooooongFunction();
///
/// bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// > ccccccccccccccccccccccccccccccccccccccccc;
/// \endcode
BOS_NonAssignment,
/// Break before operators.
/// \code
/// LooooooooooongType loooooooooooooooooooooongVariable
/// = someLooooooooooooooooongFunction();
///
/// bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
/// > ccccccccccccccccccccccccccccccccccccccccc;
/// \endcode
BOS_All,
};
/// The way to wrap binary operators.
BinaryOperatorStyle BreakBeforeBinaryOperators;
/// Different ways to attach braces to their surrounding context.
enum BraceBreakingStyle {
/// Always attach braces to surrounding context.
/// \code
/// try {
/// foo();
/// } catch () {
/// }
/// void foo() { bar(); }
/// class foo {};
/// if (foo()) {
/// } else {
/// }
/// enum X : int { A, B };
/// \endcode
BS_Attach,
/// Like ``Attach``, but break before braces on function, namespace and
/// class definitions.
/// \code
/// try {
/// foo();
/// } catch () {
/// }
/// void foo() { bar(); }
/// class foo
/// {
/// };
/// if (foo()) {
/// } else {
/// }
/// enum X : int { A, B };
/// \endcode
BS_Linux,
/// Like ``Attach``, but break before braces on enum, function, and record
/// definitions.
/// \code
/// try {
/// foo();
/// } catch () {
/// }
/// void foo() { bar(); }
/// class foo
/// {
/// };
/// if (foo()) {
/// } else {
/// }
/// enum X : int { A, B };
/// \endcode
BS_Mozilla,
/// Like ``Attach``, but break before function definitions, ``catch``, and
/// ``else``.
/// \code
/// try {
/// foo();
/// }
/// catch () {
/// }
/// void foo() { bar(); }
/// class foo {
/// };
/// if (foo()) {
/// }
/// else {
/// }
/// enum X : int { A, B };
/// \endcode
BS_Stroustrup,
/// Always break before braces.
/// \code
/// try
/// {
/// foo();
/// }
/// catch ()
/// {
/// }
/// void foo() { bar(); }
/// class foo
/// {
/// };
/// if (foo())
/// {
/// }
/// else
/// {
/// }
/// enum X : int
/// {
/// A,
/// B
/// };
/// \endcode
BS_Allman,
/// Like ``Allman`` but always indent braces and line up code with braces.
/// \code
/// try
/// {
/// foo();
/// }
/// catch ()
/// {
/// }
/// void foo() { bar(); }
/// class foo
/// {
/// };
/// if (foo())
/// {
/// }
/// else
/// {
/// }
/// enum X : int
/// {
/// A,
/// B
/// };
/// \endcode
BS_Whitesmiths,
/// 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.
/// \code
/// try
/// {
/// foo();
/// }
/// catch ()
/// {
/// }
/// void foo() { bar(); }
/// class foo
/// {
/// };
/// if (foo())
/// {
/// }
/// else
/// {
/// }
/// enum X : int
/// {
/// A,
/// B
/// };
/// \endcode
BS_GNU,
/// Like ``Attach``, but break before functions.
/// \code
/// try {
/// foo();
/// } catch () {
/// }
/// void foo() { bar(); }
/// class foo {
/// };
/// if (foo()) {
/// } else {
/// }
/// enum X : int { A, B };
/// \endcode
BS_WebKit,
/// Configure each individual brace in `BraceWrapping`.
BS_Custom
};
/// The brace breaking style to use.
BraceBreakingStyle BreakBeforeBraces;
/// Different ways to wrap braces after control statements.
enum BraceWrappingAfterControlStatementStyle {
/// Never wrap braces after a control statement.
/// \code
/// if (foo()) {
/// } else {
/// }
/// for (int i = 0; i < 10; ++i) {
/// }
/// \endcode
BWACS_Never,
/// Only wrap braces after a multi-line control statement.
/// \code
/// if (foo && bar &&
/// baz)
/// {
/// quux();
/// }
/// while (foo || bar) {
/// }
/// \endcode
BWACS_MultiLine,
/// Always wrap braces after a control statement.
/// \code
/// if (foo())
/// {
/// } else
/// {}
/// for (int i = 0; i < 10; ++i)
/// {}
/// \endcode
BWACS_Always
};
/// Precise control over the wrapping of braces.
/// \code
/// # Should be declared this way:
/// BreakBeforeBraces: Custom
/// BraceWrapping:
/// AfterClass: true
/// \endcode
struct BraceWrappingFlags {
/// Wrap case labels.
/// \code
/// false: true:
/// switch (foo) { vs. switch (foo) {
/// case 1: { case 1:
/// bar(); {
/// break; bar();
/// } break;
/// default: { }
/// plop(); default:
/// } {
/// } plop();
/// }
/// }
/// \endcode
bool AfterCaseLabel;
/// Wrap class definitions.
/// \code
/// true:
/// class foo {};
///
/// false:
/// class foo
/// {};
/// \endcode
bool AfterClass;
/// Wrap control statements (``if``/``for``/``while``/``switch``/..).
BraceWrappingAfterControlStatementStyle AfterControlStatement;
/// Wrap enum definitions.
/// \code
/// true:
/// enum X : int
/// {
/// B
/// };
///
/// false:
/// enum X : int { B };
/// \endcode
bool AfterEnum;
/// Wrap function definitions.
/// \code
/// true:
/// void foo()
/// {
/// bar();
/// bar2();
/// }
///
/// false:
/// void foo() {
/// bar();
/// bar2();
/// }
/// \endcode
bool AfterFunction;
/// Wrap namespace definitions.
/// \code
/// true:
/// namespace
/// {
/// int foo();
/// int bar();
/// }
///
/// false:
/// namespace {
/// int foo();
/// int bar();