clang::LabelStmt Class Reference

LabelStmt - Represents a label, which has a substatement. More...

#include "clang/AST/Stmt.h"

Inheritance diagram for clang::LabelStmt:

Public Member Functions
	LabelStmt (SourceLocation IL, LabelDecl *D, Stmt *substmt)
	Build a label statement.
	LabelStmt (EmptyShell Empty)
	Build an empty label statement.
SourceLocation	getIdentLoc () const
void	setIdentLoc (SourceLocation L)
LabelDecl *	getDecl () const
void	setDecl (LabelDecl *D)
const char *	getName () const
Stmt *	getSubStmt ()
const Stmt *	getSubStmt () const
void	setSubStmt (Stmt *SS)
SourceLocation	getBeginLoc () const
SourceLocation	getEndLoc () const LLVM_READONLY
const Stmt *	getInnermostLabeledStmt () const
	Look through nested labels and return the first non-label statement; e.g.
Stmt *	getInnermostLabeledStmt ()
child_range	children ()
const_child_range	children () const
bool	isSideEntry () const
void	setSideEntry (bool SE)
Public Member Functions inherited from clang::ValueStmt
const Expr *	getExprStmt () const
Expr *	getExprStmt ()
Public Member Functions inherited from clang::Stmt
void *	operator new (size_t bytes, const ASTContext &C, unsigned alignment=8)
void *	operator new (size_t bytes, const ASTContext *C, unsigned alignment=8)
void *	operator new (size_t bytes, void *mem) noexcept
void	operator delete (void *, const ASTContext &, unsigned) noexcept
void	operator delete (void *, const ASTContext *, unsigned) noexcept
void	operator delete (void *, size_t) noexcept
void	operator delete (void *, void *) noexcept
	Stmt ()=delete
	Stmt (const Stmt &)=delete
	Stmt (Stmt &&)=delete
Stmt &	operator= (const Stmt &)=delete
Stmt &	operator= (Stmt &&)=delete
	Stmt (StmtClass SC)
StmtClass	getStmtClass () const
const char *	getStmtClassName () const
SourceRange	getSourceRange () const LLVM_READONLY
	SourceLocation tokens are not useful in isolation - they are low level value objects created/interpreted by SourceManager.
SourceLocation	getBeginLoc () const LLVM_READONLY
SourceLocation	getEndLoc () const LLVM_READONLY
void	dump () const
	Dumps the specified AST fragment and all subtrees to llvm::errs().
void	dump (raw_ostream &OS, const ASTContext &Context) const
int64_t	getID (const ASTContext &Context) const
void	dumpColor () const
	dumpColor - same as dump(), but forces color highlighting.
void	dumpPretty (const ASTContext &Context) const
	dumpPretty/printPretty - These two methods do a "pretty print" of the AST back to its original source language syntax.
void	printPretty (raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext *Context=nullptr) const
void	printPrettyControlled (raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext *Context=nullptr) const
void	printJson (raw_ostream &Out, PrinterHelper *Helper, const PrintingPolicy &Policy, bool AddQuotes) const
	Pretty-prints in JSON format.
void	viewAST () const
	viewAST - Visualize an AST rooted at this Stmt* using GraphViz.
Stmt *	IgnoreContainers (bool IgnoreCaptured=false)
	Skip no-op (attributed, compound) container stmts and skip captured stmt at the top, if IgnoreCaptured is true.
const Stmt *	IgnoreContainers (bool IgnoreCaptured=false) const
const Stmt *	stripLabelLikeStatements () const
	Strip off all label-like statements.
Stmt *	stripLabelLikeStatements ()
child_range	children ()
const_child_range	children () const
child_iterator	child_begin ()
child_iterator	child_end ()
const_child_iterator	child_begin () const
const_child_iterator	child_end () const
void	Profile (llvm::FoldingSetNodeID &ID, const ASTContext &Context, bool Canonical, bool ProfileLambdaExpr=false) const
	Produce a unique representation of the given statement.
void	ProcessODRHash (llvm::FoldingSetNodeID &ID, ODRHash &Hash) const
	Calculate a unique representation for a statement that is stable across compiler invocations.

Static Public Member Functions
static bool	classof (const Stmt *T)
Static Public Member Functions inherited from clang::ValueStmt
static bool	classof (const Stmt *T)
Static Public Member Functions inherited from clang::Stmt
static void	addStmtClass (const StmtClass s)
static void	EnableStatistics ()
static void	PrintStats ()
static Likelihood	getLikelihood (ArrayRef< const Attr * > Attrs)
static Likelihood	getLikelihood (const Stmt *S)
static const Attr *	getLikelihoodAttr (const Stmt *S)
static Likelihood	getLikelihood (const Stmt *Then, const Stmt *Else)
static std::tuple< bool, const Attr *, const Attr * >	determineLikelihoodConflict (const Stmt *Then, const Stmt *Else)

Additional Inherited Members
Public Types inherited from clang::Stmt
enum	StmtClass { NoStmtClass = 0 }
enum	Likelihood { LH_Unlikely = -1 , LH_None , LH_Likely }
	The likelihood of a branch being taken. More...
using	child_iterator = StmtIterator
	Child Iterators: All subclasses must implement 'children' to permit easy iteration over the substatements/subexpressions of an AST node.
using	const_child_iterator = ConstStmtIterator
using	child_range = llvm::iterator_range<child_iterator>
using	const_child_range = llvm::iterator_range<const_child_iterator>
Protected Types inherited from clang::Stmt
enum	{ NumExprBits = NumStmtBits + 5 + llvm::BitWidth<ExprDependence> }
enum	{ NumCallExprBits = 25 }
enum	{ NumOverloadExprBits = NumExprBits + 1 }
template<typename T>
using	ConstCastIterator = CastIterator<T, const T *const, const Stmt *const>
	Const iterator for iterating over Stmt * arrays that contain only T *.
using	ExprIterator = CastIterator<Expr>
using	ConstExprIterator = ConstCastIterator<Expr>
Protected Member Functions inherited from clang::ValueStmt
	Stmt (StmtClass SC, EmptyShell)
	Construct an empty statement.
	Stmt ()=delete
	Stmt (const Stmt &)=delete
	Stmt (Stmt &&)=delete
	Stmt (StmtClass SC)
Protected Member Functions inherited from clang::Stmt
void *	operator new (size_t bytes) noexcept
void	operator delete (void *data) noexcept
	Stmt (StmtClass SC, EmptyShell)
	Construct an empty statement.
Protected Attributes inherited from clang::Stmt
union {
StmtBitfields   StmtBits
NullStmtBitfields   NullStmtBits
CompoundStmtBitfields   CompoundStmtBits
LabelStmtBitfields   LabelStmtBits
AttributedStmtBitfields   AttributedStmtBits
IfStmtBitfields   IfStmtBits
SwitchStmtBitfields   SwitchStmtBits
WhileStmtBitfields   WhileStmtBits
DoStmtBitfields   DoStmtBits
ForStmtBitfields   ForStmtBits
GotoStmtBitfields   GotoStmtBits
LoopControlStmtBitfields   LoopControlStmtBits
ReturnStmtBitfields   ReturnStmtBits
SwitchCaseBitfields   SwitchCaseBits
ExprBitfields   ExprBits
ConstantExprBitfields   ConstantExprBits
PredefinedExprBitfields   PredefinedExprBits
DeclRefExprBitfields   DeclRefExprBits
FloatingLiteralBitfields   FloatingLiteralBits
StringLiteralBitfields   StringLiteralBits
CharacterLiteralBitfields   CharacterLiteralBits
UnaryOperatorBitfields   UnaryOperatorBits
UnaryExprOrTypeTraitExprBitfields   UnaryExprOrTypeTraitExprBits
ArrayOrMatrixSubscriptExprBitfields   ArrayOrMatrixSubscriptExprBits
CallExprBitfields   CallExprBits
MemberExprBitfields   MemberExprBits
CastExprBitfields   CastExprBits
BinaryOperatorBitfields   BinaryOperatorBits
InitListExprBitfields   InitListExprBits
ParenListExprBitfields   ParenListExprBits
GenericSelectionExprBitfields   GenericSelectionExprBits
PseudoObjectExprBitfields   PseudoObjectExprBits
SourceLocExprBitfields   SourceLocExprBits
ParenExprBitfields   ParenExprBits
ShuffleVectorExprBitfields   ShuffleVectorExprBits
StmtExprBitfields   StmtExprBits
ChooseExprBitfields   ChooseExprBits
CXXOperatorCallExprBitfields   CXXOperatorCallExprBits
CXXRewrittenBinaryOperatorBitfields   CXXRewrittenBinaryOperatorBits
CXXBoolLiteralExprBitfields   CXXBoolLiteralExprBits
CXXNullPtrLiteralExprBitfields   CXXNullPtrLiteralExprBits
CXXThisExprBitfields   CXXThisExprBits
CXXThrowExprBitfields   CXXThrowExprBits
CXXDefaultArgExprBitfields   CXXDefaultArgExprBits
CXXDefaultInitExprBitfields   CXXDefaultInitExprBits
CXXScalarValueInitExprBitfields   CXXScalarValueInitExprBits
CXXNewExprBitfields   CXXNewExprBits
CXXDeleteExprBitfields   CXXDeleteExprBits
TypeTraitExprBitfields   TypeTraitExprBits
DependentScopeDeclRefExprBitfields   DependentScopeDeclRefExprBits
CXXConstructExprBitfields   CXXConstructExprBits
ExprWithCleanupsBitfields   ExprWithCleanupsBits
CXXUnresolvedConstructExprBitfields   CXXUnresolvedConstructExprBits
CXXDependentScopeMemberExprBitfields   CXXDependentScopeMemberExprBits
OverloadExprBitfields   OverloadExprBits
UnresolvedLookupExprBitfields   UnresolvedLookupExprBits
UnresolvedMemberExprBitfields   UnresolvedMemberExprBits
CXXNoexceptExprBitfields   CXXNoexceptExprBits
SubstNonTypeTemplateParmExprBitfields   SubstNonTypeTemplateParmExprBits
LambdaExprBitfields   LambdaExprBits
RequiresExprBitfields   RequiresExprBits
ArrayTypeTraitExprBitfields   ArrayTypeTraitExprBits
ExpressionTraitExprBitfields   ExpressionTraitExprBits
CXXFoldExprBitfields   CXXFoldExprBits
PackIndexingExprBitfields   PackIndexingExprBits
CoawaitExprBitfields   CoawaitBits
ObjCIndirectCopyRestoreExprBitfields   ObjCIndirectCopyRestoreExprBits
OpaqueValueExprBitfields   OpaqueValueExprBits
ConvertVectorExprBitfields   ConvertVectorExprBits
};

Detailed Description

LabelStmt - Represents a label, which has a substatement.

For example: foo: return;

Definition at line 2126 of file Stmt.h.

Constructor & Destructor Documentation

LabelStmt() [1/2]

clang::LabelStmt::LabelStmt ( SourceLocation IL, LabelDecl * D, Stmt * substmt )

inline

Build a label statement.

Definition at line 2133 of file Stmt.h.

References setIdentLoc(), and clang::ValueStmt::Stmt().

Referenced by getInnermostLabeledStmt().

LabelStmt() [2/2]

clang::LabelStmt::LabelStmt ( EmptyShell Empty )

inlineexplicit

Build an empty label statement.

Definition at line 2139 of file Stmt.h.

References clang::Empty.

Member Function Documentation

children() [1/2]

child_range clang::LabelStmt::children ( )

inline

Definition at line 2164 of file Stmt.h.

children() [2/2]

const_child_range clang::LabelStmt::children ( ) const

inline

Definition at line 2166 of file Stmt.h.

classof()

bool clang::LabelStmt::classof ( const Stmt * T )

inlinestatic

Definition at line 2170 of file Stmt.h.

References clang::ValueStmt::Stmt(), and clang::T.

getBeginLoc()

SourceLocation clang::LabelStmt::getBeginLoc ( ) const

inline

Definition at line 2153 of file Stmt.h.

References getIdentLoc().

getDecl()

LabelDecl * clang::LabelStmt::getDecl ( ) const

inline

Definition at line 2144 of file Stmt.h.

Referenced by clang::CodeGen::CodeGenFunction::EmitLabelStmt(), getName(), clang::ASTNodeImporter::VisitLabelStmt(), clang::ASTNodeTraverser< Derived, NodeDelegateType >::VisitLabelStmt(), and clang::JSONNodeDumper::VisitLabelStmt().

getEndLoc()

SourceLocation clang::LabelStmt::getEndLoc ( ) const

inline

Definition at line 2154 of file Stmt.h.

getIdentLoc()

SourceLocation clang::LabelStmt::getIdentLoc ( ) const

inline

Definition at line 2141 of file Stmt.h.

References clang::Stmt::LabelStmtBits.

Referenced by getBeginLoc(), and clang::ASTNodeImporter::VisitLabelStmt().

getInnermostLabeledStmt() [1/2]

Stmt * clang::LabelStmt::getInnermostLabeledStmt ( )

inline

Definition at line 2159 of file Stmt.h.

References LabelStmt(), and clang::ValueStmt::Stmt().

getInnermostLabeledStmt() [2/2]

const Stmt * LabelStmt::getInnermostLabeledStmt

(

)

const

Look through nested labels and return the first non-label statement; e.g.

if this is 'a:' in 'a: b: c: for(;;)', this returns the for loop.

Definition at line 1490 of file Stmt.cpp.

References clang::cast(), getSubStmt(), and clang::ValueStmt::Stmt().

getName()

const char * LabelStmt::getName

(

)

const

Definition at line 432 of file Stmt.cpp.

References getDecl(), clang::NamedDecl::getIdentifier(), and clang::IdentifierInfo::getNameStart().

Referenced by print_block(), clang::JSONNodeDumper::VisitLabelStmt(), and clang::TextNodeDumper::VisitLabelStmt().

getSubStmt() [1/2]

Stmt * clang::LabelStmt::getSubStmt ( )

inline

Definition at line 2148 of file Stmt.h.

References clang::ValueStmt::Stmt().

Referenced by clang::CodeGen::CodeGenFunction::EmitLabelStmt(), getInnermostLabeledStmt(), and clang::ASTNodeImporter::VisitLabelStmt().

getSubStmt() [2/2]

const Stmt * clang::LabelStmt::getSubStmt ( ) const

inline

Definition at line 2150 of file Stmt.h.

References clang::ValueStmt::Stmt().

isSideEntry()

bool clang::LabelStmt::isSideEntry ( ) const

inline

Definition at line 2173 of file Stmt.h.

Referenced by clang::CodeGen::CodeGenFunction::EmitLabelStmt(), clang::JSONNodeDumper::VisitLabelStmt(), and clang::TextNodeDumper::VisitLabelStmt().

setDecl()

void clang::LabelStmt::setDecl ( LabelDecl * D )

inline

Definition at line 2145 of file Stmt.h.

setIdentLoc()

void clang::LabelStmt::setIdentLoc ( SourceLocation L )

inline

Definition at line 2142 of file Stmt.h.

References clang::Stmt::LabelStmtBits.

Referenced by LabelStmt().

setSideEntry()

void clang::LabelStmt::setSideEntry ( bool SE )

inline

Definition at line 2174 of file Stmt.h.

setSubStmt()

void clang::LabelStmt::setSubStmt ( Stmt * SS )

inline

Definition at line 2151 of file Stmt.h.

References clang::ValueStmt::Stmt().

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The documentation for this class was generated from the following files:

• include/clang/AST/Stmt.h
• lib/AST/Stmt.cpp