clang  6.0.0svn
Public Member Functions | Static Public Member Functions | List of all members
clang::IfStmt Class Reference

IfStmt - This represents an if/then/else. More...

#include "clang/AST/Stmt.h"

Inheritance diagram for clang::IfStmt:
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Public Member Functions

 IfStmt (const ASTContext &C, SourceLocation IL, bool IsConstexpr, Stmt *init, VarDecl *var, Expr *cond, Stmt *then, SourceLocation EL=SourceLocation(), Stmt *elsev=nullptr)
 
 IfStmt (EmptyShell Empty)
 Build an empty if/then/else statement. More...
 
VarDeclgetConditionVariable () const
 Retrieve the variable declared in this "if" statement, if any. More...
 
void setConditionVariable (const ASTContext &C, VarDecl *V)
 
const DeclStmtgetConditionVariableDeclStmt () const
 If this IfStmt has a condition variable, return the faux DeclStmt associated with the creation of that condition variable. More...
 
StmtgetInit ()
 
const StmtgetInit () const
 
void setInit (Stmt *S)
 
const ExprgetCond () const
 
void setCond (Expr *E)
 
const StmtgetThen () const
 
void setThen (Stmt *S)
 
const StmtgetElse () const
 
void setElse (Stmt *S)
 
ExprgetCond ()
 
StmtgetThen ()
 
StmtgetElse ()
 
SourceLocation getIfLoc () const
 
void setIfLoc (SourceLocation L)
 
SourceLocation getElseLoc () const
 
void setElseLoc (SourceLocation L)
 
bool isConstexpr () const
 
void setConstexpr (bool C)
 
bool isObjCAvailabilityCheck () const
 
SourceLocation getLocStart () const LLVM_READONLY
 
SourceLocation getLocEnd () const LLVM_READONLY
 
child_range children ()
 
- 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 (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. More...
 
SourceLocation getLocStart () const LLVM_READONLY
 
SourceLocation getLocEnd () const LLVM_READONLY
 
void dump () const
 Dumps the specified AST fragment and all subtrees to llvm::errs(). More...
 
void dump (SourceManager &SM) const
 
void dump (raw_ostream &OS, SourceManager &SM) const
 
void dump (raw_ostream &OS) const
 
void dumpColor () const
 dumpColor - same as dump(), but forces color highlighting. More...
 
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. More...
 
void printPretty (raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, const ASTContext *Context=nullptr) const
 
void viewAST () const
 viewAST - Visualize an AST rooted at this Stmt* using GraphViz. More...
 
StmtIgnoreImplicit ()
 Skip past any implicit AST nodes which might surround this statement, such as ExprWithCleanups or ImplicitCastExpr nodes. More...
 
const StmtIgnoreImplicit () const
 
StmtIgnoreContainers (bool IgnoreCaptured=false)
 Skip no-op (attributed, compound) container stmts and skip captured stmt at the top, if IgnoreCaptured is true. More...
 
const StmtstripLabelLikeStatements () const
 Strip off all label-like statements. More...
 
StmtstripLabelLikeStatements ()
 
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) const
 Produce a unique representation of the given statement. More...
 
void ProcessODRHash (llvm::FoldingSetNodeID &ID, ODRHash &Hash) const
 Calculate a unique representation for a statement that is stable across compiler invocations. More...
 

Static Public Member Functions

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 ()
 

Additional Inherited Members

- Public Types inherited from clang::Stmt
enum  StmtClass { NoStmtClass = 0 }
 
typedef StmtIterator child_iterator
 Child Iterators: All subclasses must implement 'children' to permit easy iteration over the substatements/subexpessions of an AST node. More...
 
typedef ConstStmtIterator const_child_iterator
 
typedef llvm::iterator_range< child_iteratorchild_range
 
typedef llvm::iterator_range< const_child_iteratorconst_child_range
 
- Protected Types inherited from clang::Stmt
enum  { NumStmtBits = 8 }
 
enum  { NumExprBits = 17 }
 
enum  APFloatSemantics {
  IEEEhalf, IEEEsingle, IEEEdouble, x87DoubleExtended,
  IEEEquad, PPCDoubleDouble
}
 
- 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. More...
 
- Protected Attributes inherited from clang::Stmt
union {
   StmtBitfields   StmtBits
 
   CompoundStmtBitfields   CompoundStmtBits
 
   IfStmtBitfields   IfStmtBits
 
   ExprBitfields   ExprBits
 
   CharacterLiteralBitfields   CharacterLiteralBits
 
   FloatingLiteralBitfields   FloatingLiteralBits
 
   UnaryExprOrTypeTraitExprBitfields   UnaryExprOrTypeTraitExprBits
 
   DeclRefExprBitfields   DeclRefExprBits
 
   CastExprBitfields   CastExprBits
 
   CallExprBitfields   CallExprBits
 
   ExprWithCleanupsBitfields   ExprWithCleanupsBits
 
   PseudoObjectExprBitfields   PseudoObjectExprBits
 
   ObjCIndirectCopyRestoreExprBitfields   ObjCIndirectCopyRestoreExprBits
 
   InitListExprBitfields   InitListExprBits
 
   TypeTraitExprBitfields   TypeTraitExprBits
 
   CoawaitExprBitfields   CoawaitBits
 
}; 
 

Detailed Description

IfStmt - This represents an if/then/else.

Definition at line 905 of file Stmt.h.

Constructor & Destructor Documentation

◆ IfStmt() [1/2]

IfStmt::IfStmt ( const ASTContext C,
SourceLocation  IL,
bool  IsConstexpr,
Stmt init,
VarDecl var,
Expr cond,
Stmt then,
SourceLocation  EL = SourceLocation(),
Stmt elsev = nullptr 
)

Definition at line 768 of file Stmt.cpp.

References setConditionVariable(), and setConstexpr().

◆ IfStmt() [2/2]

clang::IfStmt::IfStmt ( EmptyShell  Empty)
inlineexplicit

Build an empty if/then/else statement.

Definition at line 919 of file Stmt.h.

Member Function Documentation

◆ children()

child_range clang::IfStmt::children ( )
inline

Definition at line 972 of file Stmt.h.

◆ classof()

static bool clang::IfStmt::classof ( const Stmt T)
inlinestatic

Definition at line 976 of file Stmt.h.

References clang::Stmt::getStmtClass().

◆ getCond() [1/2]

const Expr* clang::IfStmt::getCond ( ) const
inline

Definition at line 941 of file Stmt.h.

Referenced by isIdenticalStmt().

◆ getCond() [2/2]

Expr* clang::IfStmt::getCond ( )
inline

Definition at line 948 of file Stmt.h.

◆ getConditionVariable()

VarDecl * IfStmt::getConditionVariable ( ) const

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

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

if (int x = foo()) {
printf("x is %d", x);
}

Definition at line 780 of file Stmt.cpp.

References clang::DeclStmt::getSingleDecl().

◆ getConditionVariableDeclStmt()

const DeclStmt* clang::IfStmt::getConditionVariableDeclStmt ( ) const
inline

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

Definition at line 934 of file Stmt.h.

◆ getElse() [1/2]

const Stmt* clang::IfStmt::getElse ( ) const
inline

Definition at line 945 of file Stmt.h.

Referenced by isIdenticalStmt().

◆ getElse() [2/2]

Stmt* clang::IfStmt::getElse ( )
inline

Definition at line 950 of file Stmt.h.

◆ getElseLoc()

SourceLocation clang::IfStmt::getElseLoc ( ) const
inline

Definition at line 954 of file Stmt.h.

◆ getIfLoc()

SourceLocation clang::IfStmt::getIfLoc ( ) const
inline

Definition at line 952 of file Stmt.h.

◆ getInit() [1/2]

Stmt* clang::IfStmt::getInit ( )
inline

Definition at line 938 of file Stmt.h.

◆ getInit() [2/2]

const Stmt* clang::IfStmt::getInit ( ) const
inline

Definition at line 939 of file Stmt.h.

◆ getLocEnd()

SourceLocation clang::IfStmt::getLocEnd ( ) const
inline

Definition at line 963 of file Stmt.h.

References clang::Stmt::getLocEnd().

◆ getLocStart()

SourceLocation clang::IfStmt::getLocStart ( ) const
inline

Definition at line 962 of file Stmt.h.

◆ getThen() [1/2]

const Stmt* clang::IfStmt::getThen ( ) const
inline

Definition at line 943 of file Stmt.h.

Referenced by isIdenticalStmt().

◆ getThen() [2/2]

Stmt* clang::IfStmt::getThen ( )
inline

Definition at line 949 of file Stmt.h.

◆ isConstexpr()

bool clang::IfStmt::isConstexpr ( ) const
inline

Definition at line 957 of file Stmt.h.

◆ isObjCAvailabilityCheck()

bool IfStmt::isObjCAvailabilityCheck ( ) const

Definition at line 799 of file Stmt.cpp.

◆ setCond()

void clang::IfStmt::setCond ( Expr E)
inline

Definition at line 942 of file Stmt.h.

◆ setConditionVariable()

void IfStmt::setConditionVariable ( const ASTContext C,
VarDecl V 
)

◆ setConstexpr()

void clang::IfStmt::setConstexpr ( bool  C)
inline

Definition at line 958 of file Stmt.h.

Referenced by IfStmt().

◆ setElse()

void clang::IfStmt::setElse ( Stmt S)
inline

Definition at line 946 of file Stmt.h.

◆ setElseLoc()

void clang::IfStmt::setElseLoc ( SourceLocation  L)
inline

Definition at line 955 of file Stmt.h.

◆ setIfLoc()

void clang::IfStmt::setIfLoc ( SourceLocation  L)
inline

Definition at line 953 of file Stmt.h.

◆ setInit()

void clang::IfStmt::setInit ( Stmt S)
inline

Definition at line 940 of file Stmt.h.

◆ setThen()

void clang::IfStmt::setThen ( Stmt S)
inline

Definition at line 944 of file Stmt.h.


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