clang 20.0.0git
|
#include "clang/AST/Expr.h"
Public Member Functions | |
unsigned | getNumExprs () const |
Return the number of expressions in this paren list. | |
Expr * | getExpr (unsigned Init) |
const Expr * | getExpr (unsigned Init) const |
Expr ** | getExprs () |
ArrayRef< Expr * > | exprs () |
SourceLocation | getLParenLoc () const |
SourceLocation | getRParenLoc () const |
SourceLocation | getBeginLoc () const |
SourceLocation | getEndLoc () const |
child_range | children () |
const_child_range | children () const |
Public Member Functions inherited from clang::Expr | |
Expr ()=delete | |
Expr (const Expr &)=delete | |
Expr (Expr &&)=delete | |
Expr & | operator= (const Expr &)=delete |
Expr & | operator= (Expr &&)=delete |
QualType | getType () const |
void | setType (QualType t) |
QualType | getEnumCoercedType (const ASTContext &Ctx) const |
If this expression is an enumeration constant, return the enumeration type under which said constant was declared. | |
ExprDependence | getDependence () const |
bool | isValueDependent () const |
Determines whether the value of this expression depends on. | |
bool | isTypeDependent () const |
Determines whether the type of this expression depends on. | |
bool | isInstantiationDependent () const |
Whether this expression is instantiation-dependent, meaning that it depends in some way on. | |
bool | containsUnexpandedParameterPack () const |
Whether this expression contains an unexpanded parameter pack (for C++11 variadic templates). | |
bool | containsErrors () const |
Whether this expression contains subexpressions which had errors, e.g. | |
SourceLocation | getExprLoc () const LLVM_READONLY |
getExprLoc - Return the preferred location for the arrow when diagnosing a problem with a generic expression. | |
bool | isReadIfDiscardedInCPlusPlus11 () const |
Determine whether an lvalue-to-rvalue conversion should implicitly be applied to this expression if it appears as a discarded-value expression in C++11 onwards. | |
bool | isUnusedResultAWarning (const Expr *&WarnExpr, SourceLocation &Loc, SourceRange &R1, SourceRange &R2, ASTContext &Ctx) const |
isUnusedResultAWarning - Return true if this immediate expression should be warned about if the result is unused. | |
bool | isLValue () const |
isLValue - True if this expression is an "l-value" according to the rules of the current language. | |
bool | isPRValue () const |
bool | isXValue () const |
bool | isGLValue () const |
LValueClassification | ClassifyLValue (ASTContext &Ctx) const |
Reasons why an expression might not be an l-value. | |
isModifiableLvalueResult | isModifiableLvalue (ASTContext &Ctx, SourceLocation *Loc=nullptr) const |
isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, does not have an incomplete type, does not have a const-qualified type, and if it is a structure or union, does not have any member (including, recursively, any member or element of all contained aggregates or unions) with a const-qualified type. | |
Classification | Classify (ASTContext &Ctx) const |
Classify - Classify this expression according to the C++11 expression taxonomy. | |
Classification | ClassifyModifiable (ASTContext &Ctx, SourceLocation &Loc) const |
ClassifyModifiable - Classify this expression according to the C++11 expression taxonomy, and see if it is valid on the left side of an assignment. | |
FPOptions | getFPFeaturesInEffect (const LangOptions &LO) const |
Returns the set of floating point options that apply to this expression. | |
ExprValueKind | getValueKind () const |
getValueKind - The value kind that this expression produces. | |
ExprObjectKind | getObjectKind () const |
getObjectKind - The object kind that this expression produces. | |
bool | isOrdinaryOrBitFieldObject () const |
void | setValueKind (ExprValueKind Cat) |
setValueKind - Set the value kind produced by this expression. | |
void | setObjectKind (ExprObjectKind Cat) |
setObjectKind - Set the object kind produced by this expression. | |
bool | refersToBitField () const |
Returns true if this expression is a gl-value that potentially refers to a bit-field. | |
FieldDecl * | getSourceBitField () |
If this expression refers to a bit-field, retrieve the declaration of that bit-field. | |
EnumConstantDecl * | getEnumConstantDecl () |
If this expression refers to an enum constant, retrieve its declaration. | |
const EnumConstantDecl * | getEnumConstantDecl () const |
const FieldDecl * | getSourceBitField () const |
Decl * | getReferencedDeclOfCallee () |
const Decl * | getReferencedDeclOfCallee () const |
const ObjCPropertyRefExpr * | getObjCProperty () const |
If this expression is an l-value for an Objective C property, find the underlying property reference expression. | |
bool | isObjCSelfExpr () const |
Check if this expression is the ObjC 'self' implicit parameter. | |
bool | refersToVectorElement () const |
Returns whether this expression refers to a vector element. | |
bool | refersToMatrixElement () const |
Returns whether this expression refers to a matrix element. | |
bool | refersToGlobalRegisterVar () const |
Returns whether this expression refers to a global register variable. | |
bool | hasPlaceholderType () const |
Returns whether this expression has a placeholder type. | |
bool | hasPlaceholderType (BuiltinType::Kind K) const |
Returns whether this expression has a specific placeholder type. | |
bool | isKnownToHaveBooleanValue (bool Semantic=true) const |
isKnownToHaveBooleanValue - Return true if this is an integer expression that is known to return 0 or 1. | |
bool | isFlexibleArrayMemberLike (ASTContext &Context, LangOptions::StrictFlexArraysLevelKind StrictFlexArraysLevel, bool IgnoreTemplateOrMacroSubstitution=false) const |
Check whether this array fits the idiom of a flexible array member, depending on the value of -fstrict-flex-array. | |
std::optional< llvm::APSInt > | getIntegerConstantExpr (const ASTContext &Ctx, SourceLocation *Loc=nullptr) const |
isIntegerConstantExpr - Return the value if this expression is a valid integer constant expression. | |
bool | isIntegerConstantExpr (const ASTContext &Ctx, SourceLocation *Loc=nullptr) const |
bool | isCXX98IntegralConstantExpr (const ASTContext &Ctx) const |
isCXX98IntegralConstantExpr - Return true if this expression is an integral constant expression in C++98. | |
bool | isCXX11ConstantExpr (const ASTContext &Ctx, APValue *Result=nullptr, SourceLocation *Loc=nullptr) const |
isCXX11ConstantExpr - Return true if this expression is a constant expression in C++11. | |
bool | isConstantInitializer (ASTContext &Ctx, bool ForRef, const Expr **Culprit=nullptr) const |
isConstantInitializer - Returns true if this expression can be emitted to IR as a constant, and thus can be used as a constant initializer in C. | |
const ValueDecl * | getAsBuiltinConstantDeclRef (const ASTContext &Context) const |
If this expression is an unambiguous reference to a single declaration, in the style of __builtin_function_start, return that declaration. | |
bool | EvaluateAsRValue (EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const |
EvaluateAsRValue - Return true if this is a constant which we can fold to an rvalue using any crazy technique (that has nothing to do with language standards) that we want to, even if the expression has side-effects. | |
bool | EvaluateAsBooleanCondition (bool &Result, const ASTContext &Ctx, bool InConstantContext=false) const |
EvaluateAsBooleanCondition - Return true if this is a constant which we can fold and convert to a boolean condition using any crazy technique that we want to, even if the expression has side-effects. | |
bool | EvaluateAsInt (EvalResult &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const |
EvaluateAsInt - Return true if this is a constant which we can fold and convert to an integer, using any crazy technique that we want to. | |
bool | EvaluateAsFloat (llvm::APFloat &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const |
EvaluateAsFloat - Return true if this is a constant which we can fold and convert to a floating point value, using any crazy technique that we want to. | |
bool | EvaluateAsFixedPoint (EvalResult &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const |
EvaluateAsFixedPoint - Return true if this is a constant which we can fold and convert to a fixed point value. | |
bool | isEvaluatable (const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects) const |
isEvaluatable - Call EvaluateAsRValue to see if this expression can be constant folded without side-effects, but discard the result. | |
bool | HasSideEffects (const ASTContext &Ctx, bool IncludePossibleEffects=true) const |
HasSideEffects - This routine returns true for all those expressions which have any effect other than producing a value. | |
bool | hasNonTrivialCall (const ASTContext &Ctx) const |
Determine whether this expression involves a call to any function that is not trivial. | |
llvm::APSInt | EvaluateKnownConstInt (const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const |
EvaluateKnownConstInt - Call EvaluateAsRValue and return the folded integer. | |
llvm::APSInt | EvaluateKnownConstIntCheckOverflow (const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const |
void | EvaluateForOverflow (const ASTContext &Ctx) const |
bool | EvaluateAsLValue (EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const |
EvaluateAsLValue - Evaluate an expression to see if we can fold it to an lvalue with link time known address, with no side-effects. | |
bool | EvaluateAsInitializer (APValue &Result, const ASTContext &Ctx, const VarDecl *VD, SmallVectorImpl< PartialDiagnosticAt > &Notes, bool IsConstantInitializer) const |
EvaluateAsInitializer - Evaluate an expression as if it were the initializer of the given declaration. | |
bool | EvaluateWithSubstitution (APValue &Value, ASTContext &Ctx, const FunctionDecl *Callee, ArrayRef< const Expr * > Args, const Expr *This=nullptr) const |
EvaluateWithSubstitution - Evaluate an expression as if from the context of a call to the given function with the given arguments, inside an unevaluated context. | |
bool | EvaluateAsConstantExpr (EvalResult &Result, const ASTContext &Ctx, ConstantExprKind Kind=ConstantExprKind::Normal) const |
Evaluate an expression that is required to be a constant expression. | |
bool | tryEvaluateObjectSize (uint64_t &Result, ASTContext &Ctx, unsigned Type) const |
If the current Expr is a pointer, this will try to statically determine the number of bytes available where the pointer is pointing. | |
bool | tryEvaluateStrLen (uint64_t &Result, ASTContext &Ctx) const |
If the current Expr is a pointer, this will try to statically determine the strlen of the string pointed to. | |
bool | EvaluateCharRangeAsString (std::string &Result, const Expr *SizeExpression, const Expr *PtrExpression, ASTContext &Ctx, EvalResult &Status) const |
std::optional< std::string > | tryEvaluateString (ASTContext &Ctx) const |
If the current Expr can be evaluated to a pointer to a null-terminated constant string, return the constant string (without the terminating null). | |
NullPointerConstantKind | isNullPointerConstant (ASTContext &Ctx, NullPointerConstantValueDependence NPC) const |
isNullPointerConstant - C99 6.3.2.3p3 - Test if this reduces down to a Null pointer constant. | |
bool | isOBJCGCCandidate (ASTContext &Ctx) const |
isOBJCGCCandidate - Return true if this expression may be used in a read/ write barrier. | |
bool | isBoundMemberFunction (ASTContext &Ctx) const |
Returns true if this expression is a bound member function. | |
Expr * | IgnoreUnlessSpelledInSource () |
Skip past any invisible AST nodes which might surround this statement, such as ExprWithCleanups or ImplicitCastExpr nodes, but also injected CXXMemberExpr and CXXConstructExpr which represent implicit conversions. | |
const Expr * | IgnoreUnlessSpelledInSource () const |
Expr * | IgnoreImpCasts () LLVM_READONLY |
Skip past any implicit casts which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreImpCasts () const |
Expr * | IgnoreCasts () LLVM_READONLY |
Skip past any casts which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreCasts () const |
Expr * | IgnoreImplicit () LLVM_READONLY |
Skip past any implicit AST nodes which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreImplicit () const |
Expr * | IgnoreImplicitAsWritten () LLVM_READONLY |
Skip past any implicit AST nodes which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreImplicitAsWritten () const |
Expr * | IgnoreParens () LLVM_READONLY |
Skip past any parentheses which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreParens () const |
Expr * | IgnoreParenImpCasts () LLVM_READONLY |
Skip past any parentheses and implicit casts which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreParenImpCasts () const |
Expr * | IgnoreParenCasts () LLVM_READONLY |
Skip past any parentheses and casts which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreParenCasts () const |
Expr * | IgnoreConversionOperatorSingleStep () LLVM_READONLY |
Skip conversion operators. | |
const Expr * | IgnoreConversionOperatorSingleStep () const |
Expr * | IgnoreParenLValueCasts () LLVM_READONLY |
Skip past any parentheses and lvalue casts which might surround this expression until reaching a fixed point. | |
const Expr * | IgnoreParenLValueCasts () const |
Expr * | IgnoreParenNoopCasts (const ASTContext &Ctx) LLVM_READONLY |
Skip past any parentheses and casts which do not change the value (including ptr->int casts of the same size) until reaching a fixed point. | |
const Expr * | IgnoreParenNoopCasts (const ASTContext &Ctx) const |
Expr * | IgnoreParenBaseCasts () LLVM_READONLY |
Skip past any parentheses and derived-to-base casts until reaching a fixed point. | |
const Expr * | IgnoreParenBaseCasts () const |
bool | isDefaultArgument () const |
Determine whether this expression is a default function argument. | |
bool | isTemporaryObject (ASTContext &Ctx, const CXXRecordDecl *TempTy) const |
Determine whether the result of this expression is a temporary object of the given class type. | |
bool | isImplicitCXXThis () const |
Whether this expression is an implicit reference to 'this' in C++. | |
const CXXRecordDecl * | getBestDynamicClassType () const |
For an expression of class type or pointer to class type, return the most derived class decl the expression is known to refer to. | |
const Expr * | getBestDynamicClassTypeExpr () const |
Get the inner expression that determines the best dynamic class. | |
const Expr * | skipRValueSubobjectAdjustments (SmallVectorImpl< const Expr * > &CommaLHS, SmallVectorImpl< SubobjectAdjustment > &Adjustments) const |
Walk outwards from an expression we want to bind a reference to and find the expression whose lifetime needs to be extended. | |
const Expr * | skipRValueSubobjectAdjustments () const |
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 ParenListExpr * | Create (const ASTContext &Ctx, SourceLocation LParenLoc, ArrayRef< Expr * > Exprs, SourceLocation RParenLoc) |
Create a paren list. | |
static ParenListExpr * | CreateEmpty (const ASTContext &Ctx, unsigned NumExprs) |
Create an empty paren list. | |
static bool | classof (const Stmt *T) |
Static Public Member Functions inherited from clang::Expr | |
static ExprValueKind | getValueKindForType (QualType T) |
getValueKindForType - Given a formal return or parameter type, give its value kind. | |
static bool | isPotentialConstantExpr (const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags) |
isPotentialConstantExpr - Return true if this function's definition might be usable in a constant expression in C++11, if it were marked constexpr. | |
static bool | isPotentialConstantExprUnevaluated (Expr *E, const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags) |
isPotentialConstantExprUnevaluated - Return true if this expression might be usable in a constant expression in C++11 in an unevaluated context, if it were in function FD marked constexpr. | |
static QualType | findBoundMemberType (const Expr *expr) |
Given an expression of bound-member type, find the type of the member. | |
static bool | hasAnyTypeDependentArguments (ArrayRef< Expr * > Exprs) |
hasAnyTypeDependentArguments - Determines if any of the expressions in Exprs is type-dependent. | |
static bool | isSameComparisonOperand (const Expr *E1, const Expr *E2) |
Checks that the two Expr's will refer to the same value as a comparison operand. | |
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) |
Friends | |
class | ASTStmtReader |
|
inline |
Definition at line 5921 of file Expr.h.
References getNumExprs().
|
inline |
Definition at line 5925 of file Expr.h.
References getNumExprs().
|
static |
Create a paren list.
Definition at line 4767 of file Expr.cpp.
References clang::ASTContext::Allocate().
Referenced by clang::Sema::ActOnMemInitializer(), clang::Sema::ActOnParenListExpr(), clang::Sema::buildCoroutinePromise(), and clang::ASTNodeImporter::VisitParenListExpr().
|
static |
Create an empty paren list.
Definition at line 4776 of file Expr.cpp.
References clang::ASTContext::Allocate().
Definition at line 5909 of file Expr.h.
References getExprs(), and getNumExprs().
|
inline |
Definition at line 5913 of file Expr.h.
References getLParenLoc().
|
inline |
Definition at line 5914 of file Expr.h.
References getRParenLoc().
Definition at line 5896 of file Expr.h.
References getExprs(), getNumExprs(), and clang::Init.
Referenced by clang::Sema::ActOnCastExpr(), and getExpr().
Definition at line 5901 of file Expr.h.
References getExpr(), and clang::Init.
|
inline |
Definition at line 5905 of file Expr.h.
Referenced by clang::Sema::AddInitializerToDecl(), clang::Sema::buildLambdaInitCaptureInitialization(), exprs(), and getExpr().
|
inline |
Definition at line 5911 of file Expr.h.
Referenced by getBeginLoc().
|
inline |
Return the number of expressions in this paren list.
Definition at line 5894 of file Expr.h.
References clang::Stmt::ParenListExprBits.
Referenced by clang::Sema::ActOnCastExpr(), clang::Sema::AddInitializerToDecl(), clang::Sema::buildLambdaInitCaptureInitialization(), children(), exprs(), and getExpr().
|
inline |
Definition at line 5912 of file Expr.h.
Referenced by getEndLoc().
|
friend |