A wrapper around a Token storing information about the whitespace characters preceding it. More...

#include "/work/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/Format/FormatToken.h"

Public Member Functions
	FormatToken ()
BraceBlockKind	getBlockKind () const
void	setBlockKind (BraceBlockKind BBK)
FormatDecision	getDecision () const
void	setDecision (FormatDecision D)
ParameterPackingKind	getPackingKind () const
void	setPackingKind (ParameterPackingKind K)
TokenType	getType () const
	Returns the token's type, e.g.
void	setType (TokenType T)
void	setFinalizedType (TokenType T)
	Sets the type and also the finalized flag.
void	overwriteFixedType (TokenType T)
bool	isTypeFinalized () const
bool	is (tok::TokenKind Kind) const
bool	is (tok::ObjCKeywordKind Kind) const
bool	is (TokenType TT) const
bool	is (const IdentifierInfo *II) const
bool	is (tok::PPKeywordKind Kind) const
bool	is (BraceBlockKind BBK) const
bool	is (ParameterPackingKind PPK) const
template<typename A, typename B>
bool	isOneOf (A K1, B K2) const
template<typename A, typename B, typename... Ts>
bool	isOneOf (A K1, B K2, Ts... Ks) const
template<typename T>
bool	isNot (T Kind) const
template<typename... Ts>
bool	isNoneOf (Ts... Ks) const
bool	isIf (bool AllowConstexprMacro=true) const
bool	isLoop (const FormatStyle &Style) const
bool	closesScopeAfterBlock () const

Public Attributes
Token	Tok
	The `Token`.
StringRef	TokenText
	The raw text of the token.
std::shared_ptr< TokenRole >	Role
	A token can have a special role that can carry extra information about the token's formatting.
SourceRange	WhitespaceRange
	The range of the whitespace immediately preceding the `Token`.
unsigned	HasUnescapedNewline: 1
	Whether there is at least one unescaped newline before the `Token`.
unsigned	IsMultiline: 1
	Whether the token text contains newlines (escaped or not).
unsigned	IsFirst: 1
	Indicates that this is the first token of the file.
unsigned	MustBreakBefore: 1
	Whether there must be a line break before this token.
unsigned	MustBreakBeforeFinalized: 1
	Whether MustBreakBefore is finalized during parsing and must not be reset between runs.
unsigned	IsUnterminatedLiteral: 1
	Set to `true` if this token is an unterminated literal.
unsigned	CanBreakBefore: 1
	`true` if it is allowed to break before this token.
unsigned	ClosesTemplateDeclaration: 1
	`true` if this is the ">" of "template<..>".
unsigned	StartsBinaryExpression: 1
	`true` if this token starts a binary expression, i.e.
unsigned	EndsBinaryExpression: 1
	`true` if this token ends a binary expression.
unsigned	PartOfMultiVariableDeclStmt: 1
	Is this token part of a `DeclStmt` defining multiple variables?
unsigned	ContinuesLineCommentSection: 1
	Does this line comment continue a line comment section?
unsigned	Finalized: 1
	If `true`, this token has been fully formatted (indented and potentially re-formatted inside), and we do not allow further formatting changes.
unsigned	ClosesRequiresClause: 1
	`true` if this is the last token within requires clause.
unsigned	EndsCppAttributeGroup: 1
	`true` if this token ends a group of C++ attributes.
prec::Level	ForcedPrecedence = prec::Unknown
	Used to set an operator precedence explicitly.
unsigned	NewlinesBefore = 0
	The number of newlines immediately before the `Token`.
int	Newlines = -1
	The number of newlines immediately before the `Token` after formatting.
unsigned	LastNewlineOffset = 0
	The offset just past the last ' ' in this token's leading whitespace (relative to `WhiteSpaceStart`).
unsigned	ColumnWidth = 0
	The width of the non-whitespace parts of the token (or its first line for multi-line tokens) in columns.
unsigned	LastLineColumnWidth = 0
	Contains the width in columns of the last line of a multi-line token.
unsigned	SpacesRequiredBefore = 0
	The number of spaces that should be inserted before this token.
unsigned	ParameterCount = 0
	Number of parameters, if this is "(", "[" or "<".
unsigned	BlockParameterCount = 0
	Number of parameters that are nested blocks, if this is "(", "[" or "<".
tok::TokenKind	ParentBracket = tok::unknown
	If this is a bracket ("<", "(", "[" or "{"), contains the kind of the surrounding bracket.
unsigned	TotalLength = 0
	The total length of the unwrapped line up to and including this token.
unsigned	OriginalColumn = 0
	The original 0-based column of this token, including expanded tabs.
unsigned	UnbreakableTailLength = 0
	The length of following tokens until the next natural split point, or the next token that can be broken.
unsigned	BindingStrength = 0
	The binding strength of a token.
unsigned	NestingLevel = 0
	The nesting level of this token, i.e.
unsigned	IndentLevel = 0
	The indent level of this token. Copied from the surrounding line.
unsigned	SplitPenalty = 0
	Penalty for inserting a line break before this token.
unsigned	LongestObjCSelectorName = 0
	If this is the first ObjC selector name in an ObjC method definition or call, this contains the length of the longest name.
unsigned	ObjCSelectorNameParts = 0
	If this is the first ObjC selector name in an ObjC method definition or call, this contains the number of parts that the whole selector consist of.
unsigned	ParameterIndex = 0
	The 0-based index of the parameter/argument.
SmallVector< prec::Level, 4 >	FakeLParens
	Stores the number of required fake parentheses and the corresponding operator precedence.
unsigned	FakeRParens = 0
	Insert this many fake ) after this token for correct indentation.
unsigned	OperatorIndex = 0
	If this is an operator (or "."/"->") in a sequence of operators with the same precedence, contains the 0-based operator index.
FormatToken *	NextOperator = nullptr
	If this is an operator (or "."/"->") in a sequence of operators with the same precedence, points to the next operator.
FormatToken *	MatchingParen = nullptr
	If this is a bracket, this points to the matching one.
FormatToken *	Previous = nullptr
	The previous token in the unwrapped line.
FormatToken *	Next = nullptr
	The next token in the unwrapped line.
bool	StartsColumn = false
	The first token in set of column elements.
bool	ArrayInitializerLineStart = false
	This notes the start of the line of an array initializer.
bool	IsArrayInitializer = false
	This starts an array initializer.
bool	Optional = false
	Is optional and can be removed.
bool	MightBeFunctionDeclParen = false
	Might be function declaration open/closing paren.
bool	HasFormFeedBefore = false
	Has "\n\f\n" or "\n\f\r\n" before TokenText.
bool	FirstAfterPPLine = false
	Is the first token after a preprocessor line.
int8_t	BraceCount = 0
	Number of optional braces to be inserted after this token: -1: a single left brace 0: no braces >0: number of right braces.
SmallVector< AnnotatedLine *, 1 >	Children
	If this token starts a block, this contains all the unwrapped lines in it.
std::optional< MacroExpansion >	MacroCtx
bool	MacroParent = false
	When macro expansion introduces nodes with children, those are marked as `MacroParent`.
	true
	`true` if this token starts a sequence with the given tokens in order, following the Next pointers, ignoring comments.

Detailed Description

A wrapper around a Token storing information about the whitespace characters preceding it.

Definition at line 308 of file FormatToken.h.

Constructor & Destructor Documentation

◆ FormatToken()

clang::format::FormatToken::FormatToken ( )

inline

Definition at line 309 of file FormatToken.h.

Member Function Documentation

◆ closesScopeAfterBlock()

bool clang::format::FormatToken::closesScopeAfterBlock ( ) const

inline

Definition at line 664 of file FormatToken.h.

References is().

◆ getBlockKind()

BraceBlockKind clang::format::FormatToken::getBlockKind ( ) const

inline

Definition at line 400 of file FormatToken.h.

References ClosesRequiresClause.

Referenced by clang::format::opensBlockOrBlockTypeList().

◆ getDecision()

FormatDecision clang::format::FormatToken::getDecision ( ) const

inline

Definition at line 413 of file FormatToken.h.

◆ getPackingKind()

ParameterPackingKind clang::format::FormatToken::getPackingKind ( ) const

inline

Definition at line 426 of file FormatToken.h.

◆ getType()

TokenType clang::format::FormatToken::getType ( ) const

inline

Returns the token's type, e.g.

whether "<" is a template opener or binary operator.

Definition at line 441 of file FormatToken.h.

◆ is() [1/7]

bool clang::format::FormatToken::is ( BraceBlockKind BBK ) const

inline

Definition at line 638 of file FormatToken.h.

References Tok.

◆ is() [2/7]

bool clang::format::FormatToken::is ( const IdentifierInfo * II ) const

inline

Definition at line 631 of file FormatToken.h.

◆ is() [3/7]

bool clang::format::FormatToken::is ( ParameterPackingKind PPK ) const

inline

Definition at line 639 of file FormatToken.h.

References Tok.

◆ is() [4/7]

bool clang::format::FormatToken::is ( tok::ObjCKeywordKind Kind ) const

inline

Definition at line 627 of file FormatToken.h.

References MacroCtx.

◆ is() [5/7]

bool clang::format::FormatToken::is ( tok::PPKeywordKind Kind ) const

inline

Definition at line 634 of file FormatToken.h.

References MacroParent.

◆ is() [6/7]

bool clang::format::FormatToken::is ( tok::TokenKind Kind ) const

inline

Definition at line 626 of file FormatToken.h.

Referenced by clang::format::ContinuationIndenter::addTokenToState(), clang::format::JavaScriptImportSorter::analyze(), clang::format::NamespaceEndCommentsFixer::analyze(), clang::format::LeftRightQualifierAlignmentFixer::analyzeLeft(), clang::format::LeftRightQualifierAlignmentFixer::analyzeRight(), clang::format::TokenAnnotator::calculateFormattingInformation(), clang::format::ContinuationIndenter::canBreak(), closesScopeAfterBlock(), clang::format::computeNewlines(), clang::format::continuesLineCommentSection(), clang::format::UnwrappedLineFormatter::format(), clang::format::getNamespaceToken(), clang::format::hasNestedBlockInlined(), clang::format::isBlockIndentedInitRBrace(), clang::format::isFunctionDeclarationName(), isIf(), clang::format::markOptionalBraces(), clang::format::mustBeJSIdent(), clang::format::ContinuationIndenter::mustBreak(), clang::format::opensBlockOrBlockTypeList(), clang::format::opensProtoMessageField(), clang::format::ShouldBreakBeforeBrace(), clang::format::startsNextParameter(), and clang::TokenRole::TokenRole().

◆ is() [7/7]

bool clang::format::FormatToken::is ( TokenType TT ) const

inline

Definition at line 630 of file FormatToken.h.

◆ isIf()

bool clang::format::FormatToken::isIf ( bool AllowConstexprMacro = true ) const

inline

Definition at line 653 of file FormatToken.h.

References is().

◆ isLoop()

bool clang::format::FormatToken::isLoop ( const FormatStyle & Style ) const

inline

Definition at line 658 of file FormatToken.h.

◆ isNoneOf()

template<typename... Ts>

bool clang::format::FormatToken::isNoneOf ( Ts... Ks ) const

inline

Definition at line 649 of file FormatToken.h.

Referenced by clang::format::ContinuationIndenter::canBreak(), clang::format::isFunctionDeclarationName(), clang::format::mustBeJSIdent(), and clang::format::ContinuationIndenter::mustBreak().

◆ isNot()

template<typename T>

bool clang::format::FormatToken::isNot ( T Kind ) const

inline

Definition at line 648 of file FormatToken.h.

References Tok.

Referenced by clang::format::NamespaceEndCommentsFixer::analyze(), clang::format::ContinuationIndenter::canBreak(), clang::format::computeNewlines(), clang::format::isC78ParameterDecl(), clang::format::isFunctionDeclarationName(), clang::format::ContinuationIndenter::mustBreak(), and clang::format::opensProtoMessageField().

◆ isOneOf() [1/2]

template<typename A, typename B>

bool clang::format::FormatToken::isOneOf	(	A	K1,
		B	K2 ) const

inline

Definition at line 641 of file FormatToken.h.

Referenced by clang::format::LeftRightQualifierAlignmentFixer::analyzeLeft(), clang::format::LeftRightQualifierAlignmentFixer::analyzeRight(), clang::format::computeNewlines(), clang::format::getLengthToMatchingParen(), clang::format::isJSDeclOrStmt(), and clang::format::mustBeJSIdentOrValue().

◆ isOneOf() [2/2]

template<typename A, typename B, typename... Ts>

bool clang::format::FormatToken::isOneOf	(	A	K1,
		B	K2,
		Ts...	Ks ) const

inline

Definition at line 645 of file FormatToken.h.

◆ isTypeFinalized()

bool clang::format::FormatToken::isTypeFinalized ( ) const

inline

Definition at line 468 of file FormatToken.h.

References MacroCtx, and clang::format::MR_UnexpandedArg.

◆ overwriteFixedType()

void clang::format::FormatToken::overwriteFixedType ( TokenType T )

inline

Definition at line 462 of file FormatToken.h.

◆ setBlockKind()

void clang::format::FormatToken::setBlockKind ( BraceBlockKind BBK )

inline

Definition at line 403 of file FormatToken.h.

References EndsCppAttributeGroup.

◆ setDecision()

void clang::format::FormatToken::setDecision ( FormatDecision D )

inline

Definition at line 416 of file FormatToken.h.

◆ setFinalizedType()

void clang::format::FormatToken::setFinalizedType ( TokenType T )

inline

Sets the type and also the finalized flag.

This prevents the type to be reset in TokenAnnotator::resetTokenMetadata(). If the type needs to be set to another one please use overwriteFixedType, or even better remove the need to reassign the type.

Definition at line 456 of file FormatToken.h.

References MacroCtx, and clang::format::MR_UnexpandedArg.

Referenced by clang::format::TokenAnnotator::annotate().

◆ setPackingKind()

void clang::format::FormatToken::setPackingKind ( ParameterPackingKind K )

inline

Definition at line 429 of file FormatToken.h.

◆ setType()

void clang::format::FormatToken::setType ( TokenType T )

inline

Definition at line 442 of file FormatToken.h.

Member Data Documentation

◆ ArrayInitializerLineStart

bool clang::format::FormatToken::ArrayInitializerLineStart = false

This notes the start of the line of an array initializer.

Definition at line 586 of file FormatToken.h.

◆ BindingStrength

unsigned clang::format::FormatToken::BindingStrength = 0

The binding strength of a token.

This is a combined value of operator precedence, parenthesis nesting, etc.

Definition at line 527 of file FormatToken.h.

◆ BlockParameterCount

unsigned clang::format::FormatToken::BlockParameterCount = 0

Number of parameters that are nested blocks, if this is "(", "[" or "<".

Definition at line 506 of file FormatToken.h.

◆ BraceCount

int8_t clang::format::FormatToken::BraceCount = 0

Number of optional braces to be inserted after this token: -1: a single left brace 0: no braces >0: number of right braces.

Definition at line 607 of file FormatToken.h.

◆ CanBreakBefore

unsigned clang::format::FormatToken::CanBreakBefore

true if it is allowed to break before this token.

Definition at line 363 of file FormatToken.h.

Referenced by clang::format::ContinuationIndenter::canBreak(), clang::format::getLengthToMatchingParen(), clang::format::ContinuationIndenter::mustBreak(), and clang::format::mustBreakBinaryOperation().

◆ Children

SmallVector<AnnotatedLine *, 1> clang::format::FormatToken::Children

If this token starts a block, this contains all the unwrapped lines in it.

Definition at line 611 of file FormatToken.h.

Referenced by clang::format::AnnotatedLine::addChildren(), clang::format::TokenAnnotator::calculateFormattingInformation(), and clang::format::AnnotatedLine::~AnnotatedLine().

◆ ClosesRequiresClause

unsigned clang::format::FormatToken::ClosesRequiresClause

true if this is the last token within requires clause.

Definition at line 390 of file FormatToken.h.

Referenced by clang::format::LeftRightQualifierAlignmentFixer::analyzeLeft(), clang::format::LeftRightQualifierAlignmentFixer::analyzeRight(), and getBlockKind().

◆ ClosesTemplateDeclaration

unsigned clang::format::FormatToken::ClosesTemplateDeclaration

true if this is the ">" of "template<..>".

Definition at line 366 of file FormatToken.h.

Referenced by clang::format::LeftRightQualifierAlignmentFixer::analyzeLeft(), and clang::format::LeftRightQualifierAlignmentFixer::analyzeRight().

◆ ColumnWidth

unsigned clang::format::FormatToken::ColumnWidth = 0

The width of the non-whitespace parts of the token (or its first line for multi-line tokens) in columns.

We need this to correctly measure number of columns a token spans.

Definition at line 492 of file FormatToken.h.

Referenced by clang::format::CodePointsBetween().

◆ ContinuesLineCommentSection

unsigned clang::format::FormatToken::ContinuesLineCommentSection

Does this line comment continue a line comment section?

Only set to true if Type == TT_LineComment.

Definition at line 382 of file FormatToken.h.

◆ EndsBinaryExpression

unsigned clang::format::FormatToken::EndsBinaryExpression

true if this token ends a binary expression.

Definition at line 372 of file FormatToken.h.

◆ EndsCppAttributeGroup

unsigned clang::format::FormatToken::EndsCppAttributeGroup

true if this token ends a group of C++ attributes.

Definition at line 393 of file FormatToken.h.

Referenced by setBlockKind().

◆ FakeLParens

SmallVector<prec::Level, 4> clang::format::FormatToken::FakeLParens

Stores the number of required fake parentheses and the corresponding operator precedence.

If multiple fake parentheses start at a token, this vector stores them in reverse order, i.e. inner fake parenthesis first.

Definition at line 561 of file FormatToken.h.

◆ FakeRParens

unsigned clang::format::FormatToken::FakeRParens = 0

Insert this many fake ) after this token for correct indentation.

Definition at line 563 of file FormatToken.h.

◆ Finalized

unsigned clang::format::FormatToken::Finalized

If true, this token has been fully formatted (indented and potentially re-formatted inside), and we do not allow further formatting changes.

Definition at line 387 of file FormatToken.h.

Referenced by clang::format::NamespaceEndCommentsFixer::analyze().

◆ FirstAfterPPLine

bool clang::format::FormatToken::FirstAfterPPLine = false

Is the first token after a preprocessor line.

Definition at line 601 of file FormatToken.h.

◆ ForcedPrecedence

prec::Level clang::format::FormatToken::ForcedPrecedence = prec::Unknown

Used to set an operator precedence explicitly.

Definition at line 471 of file FormatToken.h.

◆ HasFormFeedBefore

bool clang::format::FormatToken::HasFormFeedBefore = false

Has "\n\f\n" or "\n\f\r\n" before TokenText.

Definition at line 598 of file FormatToken.h.

◆ HasUnescapedNewline

unsigned clang::format::FormatToken::HasUnescapedNewline

Whether there is at least one unescaped newline before the Token.

Definition at line 341 of file FormatToken.h.

◆ IndentLevel

unsigned clang::format::FormatToken::IndentLevel = 0

The indent level of this token. Copied from the surrounding line.

Definition at line 534 of file FormatToken.h.

◆ IsArrayInitializer

bool clang::format::FormatToken::IsArrayInitializer = false

This starts an array initializer.

Definition at line 589 of file FormatToken.h.

◆ IsFirst

unsigned clang::format::FormatToken::IsFirst

Indicates that this is the first token of the file.

Definition at line 347 of file FormatToken.h.

Referenced by clang::format::UnwrappedLineFormatter::format().

◆ IsMultiline

unsigned clang::format::FormatToken::IsMultiline

Whether the token text contains newlines (escaped or not).

Definition at line 344 of file FormatToken.h.

◆ IsUnterminatedLiteral

unsigned clang::format::FormatToken::IsUnterminatedLiteral

Set to true if this token is an unterminated literal.

Definition at line 360 of file FormatToken.h.

◆ LastLineColumnWidth

unsigned clang::format::FormatToken::LastLineColumnWidth = 0

Contains the width in columns of the last line of a multi-line token.

Definition at line 496 of file FormatToken.h.

◆ LastNewlineOffset

unsigned clang::format::FormatToken::LastNewlineOffset = 0

The offset just past the last '
' in this token's leading whitespace (relative to WhiteSpaceStart).

0 if there is no '
'.

Definition at line 487 of file FormatToken.h.

Referenced by clang::format::ContinuationIndenter::addTokenToState().

◆ LongestObjCSelectorName

unsigned clang::format::FormatToken::LongestObjCSelectorName = 0

If this is the first ObjC selector name in an ObjC method definition or call, this contains the length of the longest name.

This being set to 0 means that the selectors should not be colon-aligned, e.g. because several of them are block-type.

Definition at line 544 of file FormatToken.h.

◆ MacroCtx

std::optional<MacroExpansion> clang::format::FormatToken::MacroCtx

Definition at line 615 of file FormatToken.h.

Referenced by is(), isTypeFinalized(), and setFinalizedType().

◆ MacroParent

bool clang::format::FormatToken::MacroParent = false

When macro expansion introduces nodes with children, those are marked as MacroParent.

FIXME: The formatting code currently hard-codes the assumption that child nodes are introduced by blocks following an opening brace. This is deeply baked into the code and disentangling this will require signficant refactorings. MacroParent allows us to special-case the cases in which we treat parents as block-openers for now.

Definition at line 624 of file FormatToken.h.

Referenced by is().

◆ MatchingParen

FormatToken* clang::format::FormatToken::MatchingParen = nullptr

If this is a bracket, this points to the matching one.

Definition at line 574 of file FormatToken.h.

Referenced by clang::format::LeftRightQualifierAlignmentFixer::analyzeLeft(), clang::format::TokenAnnotator::calculateFormattingInformation(), clang::format::ContinuationIndenter::canBreak(), clang::format::getLengthToMatchingParen(), clang::format::markOptionalBraces(), and clang::format::ContinuationIndenter::mustBreak().

◆ MightBeFunctionDeclParen

bool clang::format::FormatToken::MightBeFunctionDeclParen = false

Might be function declaration open/closing paren.

Definition at line 595 of file FormatToken.h.

◆ MustBreakBefore

unsigned clang::format::FormatToken::MustBreakBefore

Whether there must be a line break before this token.

This happens for example when a preprocessor directive ended directly before the token.

Definition at line 353 of file FormatToken.h.

Referenced by clang::format::TokenAnnotator::calculateFormattingInformation(), clang::format::ContinuationIndenter::canBreak(), and clang::format::ContinuationIndenter::mustBreak().

◆ MustBreakBeforeFinalized

unsigned clang::format::FormatToken::MustBreakBeforeFinalized

Whether MustBreakBefore is finalized during parsing and must not be reset between runs.

Definition at line 357 of file FormatToken.h.

◆ NestingLevel

unsigned clang::format::FormatToken::NestingLevel = 0

The nesting level of this token, i.e.

the number of surrounding (), [], {} or <>.

Definition at line 531 of file FormatToken.h.

Referenced by clang::format::ContinuationIndenter::canBreak(), clang::format::isFunctionDeclarationName(), clang::format::ContinuationIndenter::mustBreak(), and clang::format::opensProtoMessageField().

◆ Newlines

int clang::format::FormatToken::Newlines = -1

The number of newlines immediately before the Token after formatting.

This is used to avoid overlapping whitespace replacements when Newlines is recomputed for a finalized preprocessor branching directive.

Definition at line 483 of file FormatToken.h.

◆ NewlinesBefore

unsigned clang::format::FormatToken::NewlinesBefore = 0

The number of newlines immediately before the Token.

This can be used to determine what the user wrote in the original code and thereby e.g. leave an empty line between two function definitions.

Definition at line 477 of file FormatToken.h.

Referenced by clang::format::JavaScriptImportSorter::analyze(), clang::format::NamespaceEndCommentsFixer::analyze(), clang::format::continuesLineCommentSection(), clang::format::UnwrappedLineFormatter::format(), clang::format::ContinuationIndenter::mustBreak(), and clang::format::TokenAnnotator::setCommentLineLevels().

◆ Next

FormatToken* clang::format::FormatToken::Next = nullptr

The next token in the unwrapped line.

Definition at line 580 of file FormatToken.h.

Referenced by clang::format::NamespaceEndCommentsFixer::analyze(), clang::format::AnnotatedLine::AnnotatedLine(), clang::format::BreakableLineCommentSection::BreakableLineCommentSection(), clang::format::TokenAnnotator::calculateFormattingInformation(), clang::format::UnwrappedLineFormatter::format(), clang::format::getLengthToMatchingParen(), clang::format::isFunctionDeclarationName(), and clang::format::AnnotatedLine::~AnnotatedLine().

◆ NextOperator

FormatToken* clang::format::FormatToken::NextOperator = nullptr

If this is an operator (or "."/"->") in a sequence of operators with the same precedence, points to the next operator.

Definition at line 571 of file FormatToken.h.

◆ ObjCSelectorNameParts

unsigned clang::format::FormatToken::ObjCSelectorNameParts = 0

If this is the first ObjC selector name in an ObjC method definition or call, this contains the number of parts that the whole selector consist of.

Definition at line 549 of file FormatToken.h.

Referenced by clang::format::ContinuationIndenter::mustBreak().

◆ OperatorIndex

unsigned clang::format::FormatToken::OperatorIndex = 0

If this is an operator (or "."/"->") in a sequence of operators with the same precedence, contains the 0-based operator index.

Definition at line 567 of file FormatToken.h.

◆ Optional

bool clang::format::FormatToken::Optional = false

Is optional and can be removed.

Definition at line 592 of file FormatToken.h.

Referenced by clang::format::markOptionalBraces().

◆ OriginalColumn

unsigned clang::format::FormatToken::OriginalColumn = 0

The original 0-based column of this token, including expanded tabs.

The configured TabWidth is used as tab width.

Definition at line 518 of file FormatToken.h.

Referenced by clang::format::UnwrappedLineFormatter::format(), and clang::format::TokenAnnotator::setCommentLineLevels().

◆ ParameterCount

unsigned clang::format::FormatToken::ParameterCount = 0

Number of parameters, if this is "(", "[" or "<".

Definition at line 502 of file FormatToken.h.

◆ ParameterIndex

unsigned clang::format::FormatToken::ParameterIndex = 0

The 0-based index of the parameter/argument.

For ObjC it is set for the selector name token. For now calculated only for ObjC.

Definition at line 554 of file FormatToken.h.

◆ ParentBracket

tok::TokenKind clang::format::FormatToken::ParentBracket = tok::unknown

If this is a bracket ("<", "(", "[" or "{"), contains the kind of the surrounding bracket.

Definition at line 510 of file FormatToken.h.

◆ PartOfMultiVariableDeclStmt

unsigned clang::format::FormatToken::PartOfMultiVariableDeclStmt

Is this token part of a DeclStmt defining multiple variables?

Only set if Type == TT_StartOfName.

Definition at line 377 of file FormatToken.h.

◆ Previous

FormatToken* clang::format::FormatToken::Previous = nullptr

The previous token in the unwrapped line.

Definition at line 577 of file FormatToken.h.

Referenced by clang::format::LeftRightQualifierAlignmentFixer::analyzeLeft(), clang::format::TokenAnnotator::calculateFormattingInformation(), clang::format::ContinuationIndenter::canBreak(), clang::format::isC78ParameterDecl(), clang::format::ContinuationIndenter::mustBreak(), clang::format::mustBreakBinaryOperation(), clang::format::opensProtoMessageField(), clang::format::startsNextOperand(), and clang::format::startsNextParameter().

◆ Role

std::shared_ptr<TokenRole> clang::format::FormatToken::Role

A token can have a special role that can carry extra information about the token's formatting.

FIXME: Make FormatToken for parsing and AnnotatedToken two different classes and make this a unique_ptr in the AnnotatedToken class.

Definition at line 334 of file FormatToken.h.

Referenced by clang::format::AnnotatedLine::~AnnotatedLine().

◆ SpacesRequiredBefore

unsigned clang::format::FormatToken::SpacesRequiredBefore = 0

The number of spaces that should be inserted before this token.

Definition at line 499 of file FormatToken.h.

◆ SplitPenalty

unsigned clang::format::FormatToken::SplitPenalty = 0

Penalty for inserting a line break before this token.

Definition at line 537 of file FormatToken.h.

◆ StartsBinaryExpression

unsigned clang::format::FormatToken::StartsBinaryExpression

true if this token starts a binary expression, i.e.

has at least one fake l_paren with a precedence greater than prec::Unknown.

Definition at line 370 of file FormatToken.h.

◆ StartsColumn

bool clang::format::FormatToken::StartsColumn = false

The first token in set of column elements.

Definition at line 583 of file FormatToken.h.

◆ Tok

Token clang::format::FormatToken::Tok

The Token.

Definition at line 322 of file FormatToken.h.

Referenced by clang::format::AnnotatedLine::AnnotatedLine(), clang::format::UnwrappedLineFormatter::format(), is(), is(), isNot(), clang::format::mustBeJSIdent(), clang::format::mustBeJSIdentOrValue(), clang::format::mustBreakBinaryOperation(), and clang::format::ShouldBreakBeforeBrace().

◆ TokenText

StringRef clang::format::FormatToken::TokenText

The raw text of the token.

Contains the raw token text without leading whitespace and without leading escaped newlines.

Definition at line 328 of file FormatToken.h.

Referenced by clang::format::BreakableBlockComment::adaptStartOfLine(), clang::format::JavaScriptImportSorter::analyze(), clang::format::NamespaceEndCommentsFixer::analyze(), clang::format::BreakableComment::compressWhitespace(), clang::format::continuesLineCommentSection(), clang::format::getNamespaceTokenText(), clang::format::BreakableBlockComment::insertBreak(), clang::format::BreakableLineCommentSection::insertBreak(), clang::format::ContinuationIndenter::mustBreak(), clang::format::BreakableBlockComment::reflow(), and clang::format::BreakableLineCommentSection::reflow().

◆ TotalLength

unsigned clang::format::FormatToken::TotalLength = 0

The total length of the unwrapped line up to and including this token.

Definition at line 514 of file FormatToken.h.

Referenced by clang::format::TokenAnnotator::calculateFormattingInformation(), clang::format::CodePointsBetween(), clang::format::UnwrappedLineFormatter::format(), and clang::format::getLengthToMatchingParen().

◆ true

clang::format::FormatToken::true

true if this token starts a sequence with the given tokens in order, following the Next pointers, ignoring comments.

template <typename A, typename... Ts> bool startsSequence(A K1, Ts... Tokens) const { return startsSequenceInternal(K1, Tokens...); }

/ true if this token ends a sequence with the given tokens in order, / following the Previous pointers, ignoring comments. / For example, given tokens [T1, T2, T3], the function returns true if / 3 tokens ending at this (ignoring comments) are [T3, T2, T1]. In other / words, the tokens passed to this function need to the reverse of the / order the tokens appear in code. template <typename A, typename... Ts> bool endsSequence(A K1, Ts... Tokens) const { return endsSequenceInternal(K1, Tokens...); }

bool isStringLiteral() const { return tok::isStringLiteral(Tok.getKind()); }

bool isAttribute() const { return isOneOf(tok::kw___attribute, tok::kw___declspec, TT_AttributeMacro); }

bool isAccessSpecifierKeyword() const { return isOneOf(tok::kw_public, tok::kw_protected, tok::kw_private); }

bool isAccessSpecifier(bool ColonRequired = true) const { if (!isAccessSpecifierKeyword()) return false; if (!ColonRequired) return true; const auto *NextNonComment = getNextNonComment(); return NextNonComment && NextNonComment->is(tok::colon); }

bool canBePointerOrReferenceQualifier() const { return isOneOf(tok::kw_const, tok::kw_restrict, tok::kw_volatile, tok::kw__Nonnull, tok::kw__Nullable, tok::kw__Null_unspecified, tok::kw___ptr32, tok::kw___ptr64, tok::kw___funcref) || isAttribute(); }

[[nodiscard]] bool isQtProperty() const; [[nodiscard]] bool isTypeName(const LangOptions &LangOpts) const; [[nodiscard]] bool isTypeOrIdentifier(const LangOptions &LangOpts) const;

bool isObjCAccessSpecifier() const { return is(tok::at) && Next && Next->isOneOf(tok::objc_public, tok::objc_protected, tok::objc_package, tok::objc_private); }

bool isObjCLifetimeQualifier(const FormatStyle &Style) const { if (Style.Language != FormatStyle::LK_ObjC || isNot(tok::identifier) || !TokenText.starts_with("__")) { return false; } const auto Qualifier = TokenText.substr(2); return Qualifier == "autoreleasing" || Qualifier == "strong" || Qualifier == "weak" || Qualifier == "unsafe_unretained"; }

/ Returns whether Tok is ([{ or an opening < of a template or in / protos. bool opensScope() const { if (is(TT_TemplateString) && TokenText.ends_with("${")) return true; if (is(TT_DictLiteral) && is(tok::less)) return true; return isOneOf(tok::l_paren, tok::l_brace, tok::l_square, TT_TemplateOpener); } / Returns whether Tok is )]} or a closing > of a template or in / protos. bool closesScope() const { if (is(TT_TemplateString) && TokenText.starts_with("}")) return true; if (is(TT_DictLiteral) && is(tok::greater)) return true; return isOneOf(tok::r_paren, tok::r_brace, tok::r_square, TT_TemplateCloser); }

/ Returns true if this is a "." or "->" accessing a member. bool isMemberAccess() const { return isOneOf(tok::arrow, tok::period, tok::arrowstar) && isNoneOf(TT_DesignatedInitializerPeriod, TT_TrailingReturnArrow, TT_LambdaArrow, TT_LeadingJavaAnnotation); }

bool isPointerOrReference() const { return isOneOf(tok::star, tok::amp, tok::ampamp); }

bool isPlacementOperator() const { return isOneOf(tok::kw_new, tok::kw_delete); }

bool isUnaryOperator() const { switch (Tok.getKind()) { case tok::plus: case tok::plusplus: case tok::minus: case tok::minusminus: case tok::exclaim: case tok::tilde: case tok::kw_sizeof: case tok::kw_alignof: return true; default: return false; } }

bool isBinaryOperator() const { Comma is a binary operator, but does not behave as such wrt. formatting. return getPrecedence() > prec::Comma; }

bool isTrailingComment() const { return is(tok::comment) && (is(TT_LineComment) || !Next || Next->NewlinesBefore > 0); }

/ Returns true if this is a keyword that can be used / like a function call (e.g. sizeof, typeid, ...). bool isFunctionLikeKeyword() const { if (isAttribute()) return true;

return isOneOf(tok::kw_throw, tok::kw_typeid, tok::kw_return, tok::kw_sizeof, tok::kw_alignof, tok::kw_alignas, tok::kw_decltype, tok::kw_noexcept, tok::kw_static_assert, tok::kw__Atomic, #define TRANSFORM_TYPE_TRAIT_DEF(_, Trait)

               tok::kw_requires);

}

/ Returns true if this is a string literal that's like a label, / e.g. ends with "=" or ":". bool isLabelString() const { if (isNot(tok::string_literal)) return false; StringRef Content = TokenText; if (Content.starts_with("\"") || Content.starts_with("'")) Content = Content.drop_front(1); if (Content.ends_with("\"") || Content.ends_with("'")) Content = Content.drop_back(1); Content = Content.trim(); return Content.size() > 1 && (Content.back() == ':' || Content.back() == '='); }

/ Returns actual token start location without leading escaped / newlines and whitespace. / / This can be different to Tok.getLocation(), which includes leading escaped / newlines. SourceLocation getStartOfNonWhitespace() const { return WhitespaceRange.getEnd(); }

/ Returns true if the range of whitespace immediately preceding the / Token is not empty. bool hasWhitespaceBefore() const { return WhitespaceRange.getBegin() != WhitespaceRange.getEnd(); }

prec::Level getPrecedence() const { if (ForcedPrecedence != prec::Unknown) return ForcedPrecedence; return getBinOpPrecedence(Tok.getKind(), /*GreaterThanIsOperator=

Definition at line 847 of file FormatToken.h.

◆ UnbreakableTailLength

unsigned clang::format::FormatToken::UnbreakableTailLength = 0

The length of following tokens until the next natural split point, or the next token that can be broken.

Definition at line 522 of file FormatToken.h.

◆ WhitespaceRange

SourceRange clang::format::FormatToken::WhitespaceRange

The range of the whitespace immediately preceding the Token.

Definition at line 337 of file FormatToken.h.

Referenced by clang::format::ContinuationIndenter::addTokenToState().

The documentation for this struct was generated from the following file:

lib/Format/FormatToken.h

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ FormatToken()

Member Function Documentation

◆ closesScopeAfterBlock()

◆ getBlockKind()

◆ getDecision()

◆ getPackingKind()

◆ getType()

◆ is() [1/7]

◆ is() [2/7]

◆ is() [3/7]

◆ is() [4/7]

◆ is() [5/7]

◆ is() [6/7]

◆ is() [7/7]

◆ isIf()

◆ isLoop()

◆ isNoneOf()

◆ isNot()

◆ isOneOf() [1/2]

◆ isOneOf() [2/2]

◆ isTypeFinalized()

◆ overwriteFixedType()

◆ setBlockKind()

◆ setDecision()

◆ setFinalizedType()

◆ setPackingKind()

◆ setType()

Member Data Documentation

◆ ArrayInitializerLineStart

◆ BindingStrength

◆ BlockParameterCount

◆ BraceCount

◆ CanBreakBefore

◆ Children

◆ ClosesRequiresClause

◆ ClosesTemplateDeclaration

◆ ColumnWidth

◆ ContinuesLineCommentSection

◆ EndsBinaryExpression

◆ EndsCppAttributeGroup

◆ FakeLParens

◆ FakeRParens

◆ Finalized

◆ FirstAfterPPLine

◆ ForcedPrecedence

◆ HasFormFeedBefore

◆ HasUnescapedNewline

◆ IndentLevel

◆ IsArrayInitializer

◆ IsFirst

◆ IsMultiline

◆ IsUnterminatedLiteral

◆ LastLineColumnWidth

◆ LastNewlineOffset

◆ LongestObjCSelectorName

◆ MacroCtx

◆ MacroParent

◆ MatchingParen

◆ MightBeFunctionDeclParen

◆ MustBreakBefore

◆ MustBreakBeforeFinalized

◆ NestingLevel

◆ Newlines

◆ NewlinesBefore

◆ Next

◆ NextOperator

◆ ObjCSelectorNameParts

◆ OperatorIndex

◆ Optional

◆ OriginalColumn

◆ ParameterCount

◆ ParameterIndex

◆ ParentBracket

◆ PartOfMultiVariableDeclStmt

◆ Previous

◆ Role