class UnaryOperator

Declaration

class UnaryOperator : public Expr, private TrailingObjects { /* full declaration omitted */ };

Description

UnaryOperator - This represents the unary-expression's (except sizeof and alignof), the postinc/postdec operators from postfix-expression, and various extensions. Notes on various nodes: Real/Imag - These return the real/imag part of a complex operand. If applied to a non-complex value, the former returns its operand and the later returns zero in the type of the operand.

Declared at: clang/include/clang/AST/Expr.h:2163

Inherits from: Expr, TrailingObjects

Member Variables

private clang::Stmt* Val

Inherited from Stmt:

protected

Method Overview

• public static clang::UnaryOperator * Create(const clang::ASTContext & C, clang::Expr * input, clang::UnaryOperator::Opcode opc, clang::QualType type, clang::ExprValueKind VK, clang::ExprObjectKind OK, clang::SourceLocation l, bool CanOverflow, clang::FPOptionsOverride FPFeatures)
• public static clang::UnaryOperator * CreateEmpty(const clang::ASTContext & C, bool hasFPFeatures)
• protected UnaryOperator(const clang::ASTContext & Ctx, clang::Expr * input, clang::UnaryOperator::Opcode opc, clang::QualType type, clang::ExprValueKind VK, clang::ExprObjectKind OK, clang::SourceLocation l, bool CanOverflow, clang::FPOptionsOverride FPFeatures)
• protected UnaryOperator(bool HasFPFeatures, clang::Stmt::EmptyShell Empty)
• public bool canOverflow() const
• public clang::Stmt::const_child_range children() const
• public clang::Stmt::child_range children()
• public static bool classof(const clang::Stmt * T)
• public clang::SourceLocation getBeginLoc() const
• public clang::SourceLocation getEndLoc() const
• public clang::SourceLocation getExprLoc() const
• public clang::FPOptions getFPFeaturesInEffect(const clang::LangOptions & LO) const
• public clang::FPOptionsOverride getFPOptionsOverride() const
• public clang::UnaryOperator::Opcode getOpcode() const
• public static llvm::StringRef getOpcodeStr(clang::UnaryOperator::Opcode Op)
• public clang::SourceLocation getOperatorLoc() const
• public static clang::UnaryOperator::Opcode getOverloadedOpcode(clang::OverloadedOperatorKind OO, bool Postfix)
• public static clang::OverloadedOperatorKind getOverloadedOperator(clang::UnaryOperator::Opcode Opc)
• public clang::FPOptionsOverride getStoredFPFeatures() const
• public clang::Expr * getSubExpr() const
• private clang::FPOptionsOverride & getTrailingFPFeatures()
• private const clang::FPOptionsOverride & getTrailingFPFeatures() const
• public bool hasStoredFPFeatures() const
• public static bool isArithmeticOp(clang::UnaryOperator::Opcode Op)
• public bool isArithmeticOp() const
• public static bool isDecrementOp(clang::UnaryOperator::Opcode Op)
• public bool isDecrementOp() const
• public bool isFEnvAccessOn(const clang::LangOptions & LO) const
• public bool isFPContractableWithinStatement(const clang::LangOptions & LO) const
• public static bool isIncrementDecrementOp(clang::UnaryOperator::Opcode Op)
• public bool isIncrementDecrementOp() const
• public bool isIncrementOp() const
• public static bool isIncrementOp(clang::UnaryOperator::Opcode Op)
• public static bool isPostfix(clang::UnaryOperator::Opcode Op)
• public bool isPostfix() const
• public static bool isPrefix(clang::UnaryOperator::Opcode Op)
• public bool isPrefix() const
• private size_t numTrailingObjects(OverloadToken<clang::FPOptionsOverride>) const
• public void setCanOverflow(bool C)
• public void setOpcode(clang::UnaryOperator::Opcode Opc)
• public void setOperatorLoc(clang::SourceLocation L)
• protected void setStoredFPFeatures(clang::FPOptionsOverride F)
• public void setSubExpr(clang::Expr * E)

Inherited from Expr:

• public Classify
• public ClassifyLValue
• public ClassifyModifiable
• public EvaluateAsBooleanCondition
• public EvaluateAsConstantExpr
• public EvaluateAsFixedPoint
• public EvaluateAsFloat
• public EvaluateAsInitializer
• public EvaluateAsInt
• public EvaluateAsLValue
• public EvaluateAsRValue
• public EvaluateForOverflow
• public EvaluateKnownConstInt
• public EvaluateKnownConstIntCheckOverflow
• public EvaluateWithSubstitution
• public HasSideEffects
• public IgnoreCasts
• public IgnoreCasts
• public IgnoreConversionOperatorSingleStep
• public IgnoreConversionOperatorSingleStep
• public IgnoreImpCasts
• public IgnoreImpCasts
• public IgnoreImplicit
• public IgnoreImplicit
• public IgnoreImplicitAsWritten
• public IgnoreImplicitAsWritten
• public IgnoreParenBaseCasts
• public IgnoreParenBaseCasts
• public IgnoreParenCasts
• public IgnoreParenCasts
• public IgnoreParenImpCasts
• public IgnoreParenImpCasts
• public IgnoreParenLValueCasts
• public IgnoreParenLValueCasts
• public IgnoreParenNoopCasts
• public IgnoreParenNoopCasts
• public IgnoreParens
• public IgnoreParens
• public IgnoreUnlessSpelledInSource
• public IgnoreUnlessSpelledInSource
• public classof
• public containsErrors
• public containsUnexpandedParameterPack
• public findBoundMemberType
• public getAsBuiltinConstantDeclRef
• public getBestDynamicClassType
• public getBestDynamicClassTypeExpr
• public getDependence
• public getExprLoc
• public getFPFeaturesInEffect
• public getIntegerConstantExpr
• public getObjCProperty
• public getObjectKind
• public getReferencedDeclOfCallee
• public getReferencedDeclOfCallee
• public getSourceBitField
• public getSourceBitField
• public getType
• public getValueKind
• public getValueKindForType
• public hasAnyTypeDependentArguments
• public hasNonTrivialCall
• public hasPlaceholderType
• public hasPlaceholderType
• public isBoundMemberFunction
• public isCXX11ConstantExpr
• public isCXX98IntegralConstantExpr
• public isConstantInitializer
• public isDefaultArgument
• public isEvaluatable
• public isGLValue
• public isImplicitCXXThis
• public isInstantiationDependent
• public isIntegerConstantExpr
• public isKnownToHaveBooleanValue
• public isLValue
• public isModifiableLvalue
• public isNullPointerConstant
• public isOBJCGCCandidate
• public isObjCSelfExpr
• public isOrdinaryOrBitFieldObject
• public isPRValue
• public isPotentialConstantExpr
• public isPotentialConstantExprUnevaluated
• public isReadIfDiscardedInCPlusPlus11
• public isSameComparisonOperand
• public isTemporaryObject
• public isTypeDependent
• public isUnusedResultAWarning
• public isValueDependent
• public isXValue
• public refersToBitField
• public refersToGlobalRegisterVar
• public refersToMatrixElement
• public refersToVectorElement
• protected setDependence
• public setObjectKind
• public setType
• public setValueKind
• public skipRValueSubobjectAdjustments
• public skipRValueSubobjectAdjustments
• public tryEvaluateObjectSize
• public tryEvaluateStrLen

Inherited from ValueStmt:

• public classof
• public getExprStmt
• public getExprStmt

Inherited from Stmt:

• public EnableStatistics
• public IgnoreContainers
• public IgnoreContainers
• public PrintStats
• public ProcessODRHash
• public Profile
• public addStmtClass
• public child_begin
• public child_begin
• public child_end
• public child_end
• public children
• public children
• public determineLikelihoodConflict
• public dump
• public dump
• public dumpColor
• public dumpPretty
• public getBeginLoc
• public getEndLoc
• public getID
• public getLikelihood
• public getLikelihood
• public getLikelihood
• public getLikelihoodAttr
• public getSourceRange
• public getStmtClass
• public getStmtClassName
• public printJson
• public printPretty
• public printPrettyControlled
• public stripLabelLikeStatements
• public stripLabelLikeStatements
• public viewAST

Methods

¶static clang::UnaryOperator* Create(
    const clang::ASTContext& C,
    clang::Expr* input,
    clang::UnaryOperator::Opcode opc,
    clang::QualType type,
    clang::ExprValueKind VK,
    clang::ExprObjectKind OK,
    clang::SourceLocation l,
    bool CanOverflow,
    clang::FPOptionsOverride FPFeatures)

Declared at: clang/include/clang/AST/Expr.h:2200

Parameters

const clang::ASTContext& C

clang::Expr* input

clang::UnaryOperator::Opcode opc

clang::QualType type

clang::ExprValueKind VK

clang::ExprObjectKind OK

clang::SourceLocation l

bool CanOverflow

clang::FPOptionsOverride FPFeatures

¶static clang::UnaryOperator* CreateEmpty(
    const clang::ASTContext& C,
    bool hasFPFeatures)

Declared at: clang/include/clang/AST/Expr.h:2198

Parameters

const clang::ASTContext& C

bool hasFPFeatures

¶UnaryOperator(const clang::ASTContext& Ctx,
              clang::Expr* input,
              clang::UnaryOperator::Opcode opc,
              clang::QualType type,
              clang::ExprValueKind VK,
              clang::ExprObjectKind OK,
              clang::SourceLocation l,
              bool CanOverflow,
              clang::FPOptionsOverride FPFeatures)

Declared at: clang/include/clang/AST/Expr.h:2186

Parameters

const clang::ASTContext& Ctx

clang::Expr* input

clang::UnaryOperator::Opcode opc

clang::QualType type

clang::ExprValueKind VK

clang::ExprObjectKind OK

clang::SourceLocation l

bool CanOverflow

clang::FPOptionsOverride FPFeatures

¶UnaryOperator(bool HasFPFeatures,
              clang::Stmt::EmptyShell Empty)

Description

Build an empty unary operator.

Declared at: clang/include/clang/AST/Expr.h:2191

Parameters

bool HasFPFeatures

clang::Stmt::EmptyShell Empty

¶bool canOverflow() const

Description

Returns true if the unary operator can cause an overflow. For instance, signed int i = INT_MAX; i++; signed char c = CHAR_MAX; c++; Due to integer promotions, c++ is promoted to an int before the postfix increment, and the result is an int that cannot overflow. However, i++ can overflow.

Declared at: clang/include/clang/AST/Expr.h:2223

¶clang::Stmt::const_child_range children() const

Declared at: clang/include/clang/AST/Expr.h:2301

¶clang::Stmt::child_range children()

Declared at: clang/include/clang/AST/Expr.h:2300

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

Declared at: clang/include/clang/AST/Expr.h:2295

Parameters

const clang::Stmt* T

¶clang::SourceLocation getBeginLoc() const

Declared at: clang/include/clang/AST/Expr.h:2287

¶clang::SourceLocation getEndLoc() const

Declared at: clang/include/clang/AST/Expr.h:2290

¶clang::SourceLocation getExprLoc() const

Declared at: clang/include/clang/AST/Expr.h:2293

¶clang::FPOptions getFPFeaturesInEffect(
    const clang::LangOptions& LO) const

Declared at: clang/include/clang/AST/Expr.h:2320

Parameters

const clang::LangOptions& LO

¶clang::FPOptionsOverride getFPOptionsOverride()
    const

Declared at: clang/include/clang/AST/Expr.h:2325

¶clang::UnaryOperator::Opcode getOpcode() const

Declared at: clang/include/clang/AST/Expr.h:2205

¶static llvm::StringRef getOpcodeStr(
    clang::UnaryOperator::Opcode Op)

Description

getOpcodeStr - Turn an Opcode enum value into the punctuation char it corresponds to, e.g. "sizeof" or "[pre]++"

Declared at: clang/include/clang/AST/Expr.h:2277

Parameters

clang::UnaryOperator::Opcode Op

¶clang::SourceLocation getOperatorLoc() const

Description

getOperatorLoc - Return the location of the operator.

Declared at: clang/include/clang/AST/Expr.h:2214

¶static clang::UnaryOperator::Opcode
getOverloadedOpcode(
    clang::OverloadedOperatorKind OO,
    bool Postfix)

Description

Retrieve the unary opcode that corresponds to the given overloaded operator.

Declared at: clang/include/clang/AST/Expr.h:2281

Parameters

clang::OverloadedOperatorKind OO

bool Postfix

¶static clang::OverloadedOperatorKind
getOverloadedOperator(
    clang::UnaryOperator::Opcode Opc)

Description

Retrieve the overloaded operator kind that corresponds to the given unary opcode.

Declared at: clang/include/clang/AST/Expr.h:2285

Parameters

clang::UnaryOperator::Opcode Opc

¶clang::FPOptionsOverride getStoredFPFeatures()
    const

Description

Get FPFeatures from trailing storage.

Declared at: clang/include/clang/AST/Expr.h:2309

¶clang::Expr* getSubExpr() const

Declared at: clang/include/clang/AST/Expr.h:2210

¶clang::FPOptionsOverride& getTrailingFPFeatures()

Declared at: clang/include/clang/AST/Expr.h:2172

¶const clang::FPOptionsOverride&
getTrailingFPFeatures() const

Declared at: clang/include/clang/AST/Expr.h:2177

¶bool hasStoredFPFeatures() const

Description

Is FPFeatures in Trailing Storage?

Declared at: clang/include/clang/AST/Expr.h:2306

¶static bool isArithmeticOp(
    clang::UnaryOperator::Opcode Op)

Declared at: clang/include/clang/AST/Expr.h:2270

Parameters

clang::UnaryOperator::Opcode Op

¶bool isArithmeticOp() const

Declared at: clang/include/clang/AST/Expr.h:2273

¶static bool isDecrementOp(
    clang::UnaryOperator::Opcode Op)

Declared at: clang/include/clang/AST/Expr.h:2258

Parameters

clang::UnaryOperator::Opcode Op

¶bool isDecrementOp() const

Declared at: clang/include/clang/AST/Expr.h:2261

¶bool isFEnvAccessOn(
    const clang::LangOptions& LO) const

Declared at: clang/include/clang/AST/Expr.h:2234

Parameters

const clang::LangOptions& LO

¶bool isFPContractableWithinStatement(
    const clang::LangOptions& LO) const

Declared at: clang/include/clang/AST/Expr.h:2228

Parameters

const clang::LangOptions& LO

¶static bool isIncrementDecrementOp(
    clang::UnaryOperator::Opcode Op)

Declared at: clang/include/clang/AST/Expr.h:2265

Parameters

clang::UnaryOperator::Opcode Op

¶bool isIncrementDecrementOp() const

Declared at: clang/include/clang/AST/Expr.h:2266

¶bool isIncrementOp() const

Declared at: clang/include/clang/AST/Expr.h:2254

¶static bool isIncrementOp(
    clang::UnaryOperator::Opcode Op)

Declared at: clang/include/clang/AST/Expr.h:2251

Parameters

clang::UnaryOperator::Opcode Op

¶static bool isPostfix(
    clang::UnaryOperator::Opcode Op)

Description

isPostfix - Return true if this is a postfix operation, like x++.

Declared at: clang/include/clang/AST/Expr.h:2239

Parameters

clang::UnaryOperator::Opcode Op

¶bool isPostfix() const

Declared at: clang/include/clang/AST/Expr.h:2249

¶static bool isPrefix(
    clang::UnaryOperator::Opcode Op)

Description

isPrefix - Return true if this is a prefix operation, like --x.

Declared at: clang/include/clang/AST/Expr.h:2244

Parameters

clang::UnaryOperator::Opcode Op

¶bool isPrefix() const

Declared at: clang/include/clang/AST/Expr.h:2248

¶size_t numTrailingObjects(
    OverloadToken<clang::FPOptionsOverride>) const

Declared at: clang/include/clang/AST/Expr.h:2168

Parameters

OverloadToken<clang::FPOptionsOverride>

¶void setCanOverflow(bool C)

Declared at: clang/include/clang/AST/Expr.h:2224

Parameters

bool C

¶void setOpcode(clang::UnaryOperator::Opcode Opc)

Declared at: clang/include/clang/AST/Expr.h:2208

Parameters

clang::UnaryOperator::Opcode Opc

¶void setOperatorLoc(clang::SourceLocation L)

Declared at: clang/include/clang/AST/Expr.h:2215

Parameters

clang::SourceLocation L

¶void setStoredFPFeatures(
    clang::FPOptionsOverride F)

Description

Set FPFeatures in trailing storage, used only by Serialization

Declared at: clang/include/clang/AST/Expr.h:2315

Parameters

clang::FPOptionsOverride F

¶void setSubExpr(clang::Expr* E)

Declared at: clang/include/clang/AST/Expr.h:2211

Parameters

clang::Expr* E