clang::WhileStmt Class Reference

WhileStmt - This represents a 'while' stmt. More...

#include "clang/AST/Stmt.h"

Inheritance diagram for clang::WhileStmt:

Public Member Functions
bool	hasVarStorage () const
	True if this WhileStmt has storage for a condition variable.
Expr *	getCond ()
const Expr *	getCond () const
void	setCond (Expr *Cond)
Stmt *	getBody ()
const Stmt *	getBody () const
void	setBody (Stmt *Body)
VarDecl *	getConditionVariable ()
	Retrieve the variable declared in this "while" statement, if any.
const VarDecl *	getConditionVariable () const
void	setConditionVariable (const ASTContext &Ctx, VarDecl *V)
	Set the condition variable of this while statement.
DeclStmt *	getConditionVariableDeclStmt ()
	If this WhileStmt has a condition variable, return the faux DeclStmt associated with the creation of that condition variable.
const DeclStmt *	getConditionVariableDeclStmt () const
void	setConditionVariableDeclStmt (DeclStmt *CondVar)
SourceLocation	getWhileLoc () const
void	setWhileLoc (SourceLocation L)
SourceLocation	getLParenLoc () const
void	setLParenLoc (SourceLocation L)
SourceLocation	getRParenLoc () const
void	setRParenLoc (SourceLocation L)
SourceLocation	getBeginLoc () const
SourceLocation	getEndLoc () const LLVM_READONLY
child_range	children ()
const_child_range	children () const
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 WhileStmt *	Create (const ASTContext &Ctx, VarDecl *Var, Expr *Cond, Stmt *Body, SourceLocation WL, SourceLocation LParenLoc, SourceLocation RParenLoc)
	Create a while statement.
static WhileStmt *	CreateEmpty (const ASTContext &Ctx, bool HasVar)
	Create an empty while statement optionally with storage for a condition variable.
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	{ NumStmtBits = 9 }
enum	{ NumExprBits = NumStmtBits + 5 + llvm::BitWidth<ExprDependence> }
enum	{ NumCallExprBits = 32 }
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::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
ContinueStmtBitfields   ContinueStmtBits
BreakStmtBitfields   BreakStmtBits
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
StmtExprBitfields   StmtExprBits
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
CoawaitExprBitfields   CoawaitBits
ObjCIndirectCopyRestoreExprBitfields   ObjCIndirectCopyRestoreExprBits
OpaqueValueExprBitfields   OpaqueValueExprBits
};

Detailed Description

WhileStmt - This represents a 'while' stmt.

Definition at line 2620 of file Stmt.h.

Member Function Documentation

children() [1/2]

child_range clang::WhileStmt::children ( )

inline

Definition at line 2748 of file Stmt.h.

children() [2/2]

const_child_range clang::WhileStmt::children ( ) const

inline

Definition at line 2754 of file Stmt.h.

classof()

static bool clang::WhileStmt::classof ( const Stmt *  T )

inlinestatic

Definition at line 2743 of file Stmt.h.

References clang::T.

Create()

WhileStmt * WhileStmt::Create ( const ASTContext &  Ctx, VarDecl *  Var, Expr *  Cond, Stmt *  Body, SourceLocation  WL, SourceLocation  LParenLoc, SourceLocation  RParenLoc  )

static

Create a while statement.

Definition at line 1141 of file Stmt.cpp.

References clang::ASTContext::Allocate().

Referenced by clang::Sema::ActOnWhileStmt(), and clang::ASTNodeImporter::VisitWhileStmt().

CreateEmpty()

WhileStmt * WhileStmt::CreateEmpty ( const ASTContext &  Ctx, bool  HasVar  )

static

Create an empty while statement optionally with storage for a condition variable.

Definition at line 1152 of file Stmt.cpp.

References clang::ASTContext::Allocate().

getBeginLoc()

SourceLocation clang::WhileStmt::getBeginLoc ( ) const

inline

Definition at line 2738 of file Stmt.h.

References getWhileLoc().

getBody() [1/2]

Stmt * clang::WhileStmt::getBody ( )

inline

Definition at line 2685 of file Stmt.h.

Referenced by EvaluateStmt(), and getEndLoc().

getBody() [2/2]

const Stmt * clang::WhileStmt::getBody ( ) const

inline

Definition at line 2686 of file Stmt.h.

getCond() [1/2]

Expr * clang::WhileStmt::getCond ( )

inline

Definition at line 2673 of file Stmt.h.

Referenced by EvaluateStmt().

getCond() [2/2]

const Expr * clang::WhileStmt::getCond ( ) const

inline

Definition at line 2677 of file Stmt.h.

getConditionVariable() [1/2]

VarDecl * WhileStmt::getConditionVariable

(

)

Retrieve the variable declared in this "while" statement, if any.

In the following example, "x" is the condition variable.

while (int x = random()) {
  // ...
}

Definition at line 1159 of file Stmt.cpp.

References getConditionVariableDeclStmt().

Referenced by EvaluateStmt(), and getConditionVariable().

getConditionVariable() [2/2]

const VarDecl * clang::WhileStmt::getConditionVariable ( ) const

inline

Definition at line 2703 of file Stmt.h.

References getConditionVariable().

getConditionVariableDeclStmt() [1/2]

DeclStmt * clang::WhileStmt::getConditionVariableDeclStmt ( )

inline

If this WhileStmt has a condition variable, return the faux DeclStmt associated with the creation of that condition variable.

Definition at line 2713 of file Stmt.h.

References hasVarStorage().

Referenced by getConditionVariable().

getConditionVariableDeclStmt() [2/2]

const DeclStmt * clang::WhileStmt::getConditionVariableDeclStmt ( ) const

inline

Definition at line 2719 of file Stmt.h.

References hasVarStorage().

getEndLoc()

SourceLocation clang::WhileStmt::getEndLoc ( ) const

inline

Definition at line 2739 of file Stmt.h.

References getBody(), and clang::Stmt::getEndLoc().

getLParenLoc()

SourceLocation clang::WhileStmt::getLParenLoc ( ) const

inline

Definition at line 2733 of file Stmt.h.

getRParenLoc()

SourceLocation clang::WhileStmt::getRParenLoc ( ) const

inline

Definition at line 2735 of file Stmt.h.

getWhileLoc()

SourceLocation clang::WhileStmt::getWhileLoc ( ) const

inline

Definition at line 2730 of file Stmt.h.

References clang::Stmt::WhileStmtBits.

Referenced by getBeginLoc().

hasVarStorage()

bool clang::WhileStmt::hasVarStorage ( ) const

inline

True if this WhileStmt has storage for a condition variable.

Definition at line 2671 of file Stmt.h.

References clang::Stmt::WhileStmtBits.

Referenced by getConditionVariableDeclStmt(), setConditionVariable(), setConditionVariableDeclStmt(), and clang::JSONNodeDumper::VisitWhileStmt().

setBody()

void clang::WhileStmt::setBody ( Stmt *  Body )

inline

Definition at line 2690 of file Stmt.h.

setCond()

void clang::WhileStmt::setCond ( Expr *  Cond )

inline

Definition at line 2681 of file Stmt.h.

setConditionVariable()

void WhileStmt::setConditionVariable	(	const ASTContext &	Ctx,
		VarDecl *	V
	)

Set the condition variable of this while statement.

The while statement must have storage for it.

Definition at line 1166 of file Stmt.cpp.

References clang::SourceRange::getBegin(), clang::SourceRange::getEnd(), hasVarStorage(), and V.

setConditionVariableDeclStmt()

void clang::WhileStmt::setConditionVariableDeclStmt ( DeclStmt *  CondVar )

inline

Definition at line 2725 of file Stmt.h.

References hasVarStorage().

setLParenLoc()

void clang::WhileStmt::setLParenLoc ( SourceLocation  L )

inline

Definition at line 2734 of file Stmt.h.

setRParenLoc()

void clang::WhileStmt::setRParenLoc ( SourceLocation  L )

inline

Definition at line 2736 of file Stmt.h.

setWhileLoc()

void clang::WhileStmt::setWhileLoc ( SourceLocation  L )

inline

Definition at line 2731 of file Stmt.h.

References clang::Stmt::WhileStmtBits.

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

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