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Showing content from https://clang.llvm.org/doxygen/SemaLambda_8cpp_source.html below:

clang: lib/Sema/SemaLambda.cpp Source File

;

std::optional<unsigned>

std::optional<unsigned> NoLambdaIsCaptureReady;

CurScopeIndex = FunctionScopes.size() - 1;

(CurScopeIndex > 0 && isa<clang::sema::CapturedRegionScopeInfo>(

FunctionScopes[CurScopeIndex]))

isa<clang::sema::LambdaScopeInfo>(FunctionScopes[CurScopeIndex]) &&

);

IsCapturingThis = !VarToCapture;

IsCapturingVariable = !IsCapturingThis;

cast<sema::LambdaScopeInfo>(FunctionScopes[CurScopeIndex])->CallOperator;

cast<sema::LambdaScopeInfo>(FunctionScopes[CurScopeIndex]);

(IsCapturingVariable &&

NoLambdaIsCaptureReady;

(IsCapturingVariable && !LSI->

(VarToCapture))

NoLambdaIsCaptureReady;

NoLambdaIsCaptureReady;

assert(CurScopeIndex);

assert(CurScopeIndex < (FunctionScopes.size() - 1));

CurScopeIndex + 1;

NoLambdaIsCaptureReady;

std::optional<unsigned>

std::optional<unsigned> NoLambdaIsCaptureCapable;

std::optional<unsigned> OptionalStackIndex =

(!OptionalStackIndex)

NoLambdaIsCaptureCapable;

IndexOfCaptureReadyLambda = *OptionalStackIndex;

assert(((IndexOfCaptureReadyLambda != (FunctionScopes.size() - 1)) ||

);

cast<sema::LambdaScopeInfo>(FunctionScopes[IndexOfCaptureReadyLambda]);

IsCapturingThis = !VarToCapture;

IsCapturingVariable = !IsCapturingThis;

(IsCapturingVariable) {

CanCaptureVariable =

DeclRefType, &IndexOfCaptureReadyLambda);

(!CanCaptureVariable)

NoLambdaIsCaptureCapable;

CanCaptureThis =

&IndexOfCaptureReadyLambda);

NoLambdaIsCaptureCapable;

IndexOfCaptureReadyLambda;

LambdaDependencyKind,

IsGenericLambda =

, DC, Info, IntroducerRange.

(), LambdaDependencyKind,

IsGenericLambda, CaptureDefault);

(

*FD = dyn_cast<FunctionDecl>(DC))

std::tuple<MangleNumberingContext *, Decl *>

IsInNonspecializedTemplate =

(ManglingContextDecl) {

(

*Param = dyn_cast<ParmVarDecl>(ManglingContextDecl)) {

(LexicalDC->isRecord())

}

(

*Var = dyn_cast<VarDecl>(ManglingContextDecl)) {

(Var->getMostRecentDecl()->isInline())

Kind = InlineVariable;

(Var->getDeclContext()->isRecord() && IsInNonspecializedTemplate)

Kind = TemplatedVariable;

(Var->getDescribedVarTemplate())

Kind = TemplatedVariable;

(

*VTS = dyn_cast<VarTemplateSpecializationDecl>(Var)) {

(!VTS->isExplicitSpecialization())

Kind = TemplatedVariable;

}

(isa<FieldDecl>(ManglingContextDecl)) {

}

(isa<ImplicitConceptSpecializationDecl>(ManglingContextDecl)) {

((IsInNonspecializedTemplate &&

!(ManglingContextDecl && isa<ParmVarDecl>(ManglingContextDecl))) ||

(

*CD = dyn_cast<CapturedDecl>(DC))

std::make_tuple(

,

);

TemplatedVariable:

std::make_tuple(

ManglingContextDecl),

ManglingContextDecl);

llvm_unreachable(

);

assert(MethodTypeInfo &&

);

(

->isDependentContext() || TemplateParams) {

(

->isUndeducedType()) {

(LambdaType == ExplicitObjectParameterType)

It->second.empty();

(Param->

(), diag::err_invalid_explicit_object_type_in_lambda)

<< ExplicitObjectParameterType;

(CallLoc, diag::err_explicit_object_lambda_ambiguous_base)

<< LambdaType << PathsDisplay;

diag::err_explicit_object_lambda_inaccessible_base))

std::optional<CXXRecordDecl::LambdaNumbering> NumberingOverride) {

(NumberingOverride) {

->setLambdaNumbering(*NumberingOverride);

getMangleNumberingContext =

(ManglingContextDecl)

DC =

->getDeclContext();

(

*CD = dyn_cast<CapturedDecl>(DC))

DC = CD->getParent();

assert(MCtx &&

);

->setLambdaNumbering(Numbering);

Source->AssignedLambdaNumbering(

);

ExplicitResultType) {

(ExplicitResultType) {

diag::err_lambda_incomplete_result);

ExplicitParams,

Mutable) {

LSI->

= LambdaClass;

assert(LSI &&

);

);

);

assert(!TParams.empty() &&

);

= dyn_cast<EnumConstantDecl>(DRE->getDecl())) {

(BO->getOpcode() == BO_Comma)

(

*SE = dyn_cast<StmtExpr>(

)) {

(

*last = dyn_cast_or_null<Expr>(SE->getSubStmt()->body_back()))

(ICE->getCastKind() == CK_IntegralCast)

ET->getDecl();

(!ED)

;

(++i; i != e; ++i) {

i = returns.begin(), e = returns.end(); i != e; ++i) {

);

assert(!CSI.

.

() &&

);

assert(isa<BlockScopeInfo>(CSI));

(BlockNullability &&

(!RetTyNullability ||

diag::err_typecheck_missing_return_type_incompatible)

<< ReturnType << CSI.

<< isa<LambdaScopeInfo>(CSI);

assert(!DeductType.

() &&

);

(

->containsUnexpandedParameterPack()) {

? diag::warn_cxx17_compat_init_capture_pack

: diag::ext_init_capture_pack);

PETL.setEllipsisLoc(EllipsisLoc);

InitCaptureType, TSI,

);

assert(Var->

() &&

);

&ExplicitResultType) {

ExplicitResultType =

;

);

IsLambdaStatic =

HasExplicitObjectParameter =

!HasExplicitObjectParameter)

(ExplicitResultType && S.

().HLSL) {

diag::err_return_value_with_address_space);

assert(MethodTyInfo &&

);

assert(TemplateParams &&

);

TemplateParams, CallOperator);

HasExplicitResultType) {

(TrailingRequiresClause)

(TemplateParams) {

assert(TemplateMethod &&

);

TemplateParams, MethodTyInfo));

(!Params.empty()) {

assert(

&&

);

->setOwningFunction(Method);

*CurrentScope) {

assert(LSI &&

);

(

->getEntity() &&

->getEntity()->isRequiresExprBody())

=

->getParent();

(

->isFunctionDeclarationScope() &&

llvm::any_of(

->decls(), [](

*

) {

return isa<ParmVarDecl>(D) &&

cast<ParmVarDecl>(D)->getType()->isTemplateTypeParmType();

Intro.

,

, LambdaDependencyKind, Intro.

);

ContainsUnexpandedParameterPack =

;

llvm::DenseMap<IdentifierInfo *, ValueDecl *> CaptureNames;

PrevCaptureLoc =

->Loc, ++

) {

? diag::ext_star_this_lambda_capture_cxx17

: diag::warn_cxx14_compat_star_this_lambda_capture);

(

->Loc, diag::err_capture_more_than_once)

? diag::ext_equals_this_lambda_capture_cxx20

: diag::warn_cxx17_compat_equals_this_lambda_capture);

(ThisCaptureType.

()) {

(

->Loc, diag::err_this_capture) <<

;

assert(

->Id &&

);

(

->Init.isInvalid())

(

->Init.isUsable()) {

? diag::warn_cxx11_compat_init_capture

: diag::ext_init_capture);

(

->InitCaptureType.get().isNull())

(

->Init.get()->containsUnexpandedParameterPack() &&

(

->InitKind) {

llvm_unreachable(

);

->EllipsisLoc,

->Id, InitStyle,

->Init.get(), Method);

assert(Var &&

);

(

*

= dyn_cast<VarDecl>(Var))

);

(

->Loc, diag::err_reference_capture_with_reference_default)

(

->Loc, diag::err_copy_capture_with_copy_default)

(

->Loc, diag::err_capture_class_member_does_not_name_variable)

(

->Loc, diag::err_capture_does_not_name_variable) <<

->Id;

(

[It, Inserted] = CaptureNames.insert(std::pair{C->Id, Var});

(

->Loc, diag::err_capture_more_than_once)

<<

->Id << It->second->getBeginLoc()

(

->Loc, diag::err_capture_more_than_once) <<

->Id;

(

->Loc, diag::err_capture_non_automatic_variable) <<

->Id;

(

->EllipsisLoc.isValid()) {

EllipsisLoc =

->EllipsisLoc;

(

->EllipsisLoc, diag::err_pack_expansion_without_parameter_packs)

<< (

->Init.isUsable() ?

->Init.get()->getSourceRange()

ContainsUnexpandedParameterPack =

;

(

->Init.isUsable()) {

*Param = cast<ParmVarDecl>(

.Param);

(Param->getIdentifier())

(TemplateParams) {

ExplicitResultType;

Params.reserve(Params.size());

(

I = 0; I < FTI.NumParams; ++I) {

*Param = cast<ParmVarDecl>(FTI.Params[I].Param);

Param->setScopeInfo(0, Params.size());

Params.push_back(Param);

IsLambdaStatic =

(!

.isVariableCapture())

CheckRedefinition = [&](

*Param) {

(

.Id == Param->getIdentifier()) {

(Param->getLocation(), diag::err_parameter_shadow_capture);

(

.Loc, diag::note_var_explicitly_captured_here)

(!

->getIdentifier())

(CheckRedefinition(

))

(TemplateParams) {

(

*TP : TemplateParams->

()) {

(!TP->getIdentifier())

(

.Id == TP->getIdentifier()) {

(TRC->getBeginLoc(), diag::err_constrained_non_templated_function);

IsInstantiation) {

(!IsInstantiation)

->setInvalidDecl();

<

Func>

DefaultFree, DefaultMember, CallOpCC};

llvm::iterator_range<CallingConv *>

(

std::begin(Convs), std::unique(std::begin(Convs), std::end(Convs)));

(CallOpCC == DefaultMember && DefaultMember != DefaultFree) {

(CallOpCC == DefaultMember && DefaultMember != DefaultFree)

);

HasPassObjectSizeAttr = [](

*

) {

->hasAttr<PassObjectSizeAttr>();

(llvm::any_of(CallOperator->

(), HasPassObjectSizeAttr))

(

I = 0, N = CallOperator->

(); I != N; ++I) {

CallOpConvTL.setParam(I, From);

CallOpConvNameTL.setParam(I, From);

(

->isGenericLambda()) {

, ConversionName,

->addDecl(ConversionTemplate);

->addDecl(Conversion);

(

I = 0, N = CallOperator->

(); I != N; ++I)

InvokerParams[I]->setOwningFunction(Invoke);

(

->isGenericLambda()) {

->addDecl(StaticInvokerTemplate);

->addDecl(Invoke);

->addDecl(Conversion);

IsOpenMPMapping) {

cast<VarDecl>(Cap.

())->getInit();

(IsOpenMPMapping)

(

.isInvalid())

InitSeq.

(*

, Entity, InitKind, InitExpr);

llvm_unreachable(

);

llvm_unreachable(

);

(

.isVolatileQualified())

!RD->isCompleteDefinition() || !RD->hasTrivialCopyConstructor() ||

!RD->hasTrivialDestructor();

diag =

(From.

(), diag::warn_unused_lambda_capture);

(Var && Var->isInitCapture())

TSI = Var->getTypeSourceInfo();

, FieldType, TSI,

,

diag::err_field_incomplete_or_sizeless)) {

Field->setInvalidDecl();

Field->setInvalidDecl();

Field->setImplicit(

);

ExplicitParams;

ExplicitResultType;

ContainsUnexpandedParameterPack;

IsGenericLambda;

LambdaCleanup = LSI->

;

IsGenericLambda =

->isGenericLambda();

*TemplateOrNonTemplateCallOperatorDecl =

: cast<Decl>(CallOperator);

CurHasPreviousCapture = CaptureDefault !=

;

CaptureDefaultLoc : IntroducerRange.

();

(

I = 0, N = LSI->

.size(); I != N; ++I) {

assert(!From.

() &&

);

IsCaptureUsed =

;

NonODRUsedInitCapture =

(!NonODRUsedInitCapture) {

(!CurHasPreviousCapture && !IsLast) {

CaptureRange.

());

(CaptureRange.

()) {

CurHasPreviousCapture |= IsCaptureUsed;

PrevCaptureLoc = CaptureRange.

();

(CaptureDefaultLoc, diag::note_deprecated_this_capture)

Captures.push_back(

);

CaptureInits.push_back(

.get());

(Captures.empty() && CaptureDefault ==

)

CaptureDefaultLoc, ExplicitParams, ExplicitResultType,

CaptureInits, EndLoc, ContainsUnexpandedParameterPack);

!isa<CoroutineBodyStmt>(CallOperator->

()) &&

!

->isDependentContext()) {

= cast<CXXMethodDecl>(

CurrentLocation, Src);

(!

.isInvalid())

(

.isInvalid())

->setBlockMissingReturnType(

);

(

I = 0, N = CallOperator->

(); I != N; ++I) {

->setParams(BlockParams);

->setIsConversionFromLambda(

);

ConvLocation,

,

,

.get());

(!ShouldAddDeclsFromParentScope)

InstantiationAndPatterns;

(FDPattern && FD) {

InstantiationAndPatterns.emplace_back(FDPattern, FD);

(

[FDPattern, FD] : llvm::reverse(InstantiationAndPatterns)) {

.addInstantiatedParametersToScope(FD, FDPattern,

, MLTAL);

.addInstantiatedLocalVarsToScope(FD, FDPattern,

);

.addInstantiatedCapturesToScope(FD, FDPattern,

, MLTAL);

This file provides some common utility functions for processing Lambda related AST Constructs.

Defines the clang::Expr interface and subclasses for C++ expressions.

This file declares semantic analysis functions specific to ARM.

This file declares semantic analysis for CUDA constructs.

static LambdaCaptureDefault mapImplicitCaptureStyle(CapturingScopeInfo::ImplicitCaptureStyle ICS)

static CallingConv getLambdaConversionFunctionCallConv(Sema &S, const FunctionProtoType *CallOpProto)

static EnumDecl * findEnumForBlockReturn(Expr *E)

If this expression is an enumerator-like expression of some type T, return the type T; otherwise,...

static EnumDecl * findCommonEnumForBlockReturns(ArrayRef< ReturnStmt * > returns)

Attempt to find a common type T for which all of the returned expressions in a block are enumerator-l...

static TypeSourceInfo * getLambdaType(Sema &S, LambdaIntroducer &Intro, Declarator &ParamInfo, Scope *CurScope, SourceLocation Loc, bool &ExplicitResultType)

static std::optional< unsigned > getStackIndexOfNearestEnclosingCaptureReadyLambda(ArrayRef< const clang::sema::FunctionScopeInfo * > FunctionScopes, ValueDecl *VarToCapture)

Examines the FunctionScopeInfo stack to determine the nearest enclosing lambda (to the current lambda...

static FunctionDecl * getPatternFunctionDecl(FunctionDecl *FD)

static LambdaScopeInfo * getCurrentLambdaScopeUnsafe(Sema &S)

static void adjustBlockReturnsToEnum(Sema &S, ArrayRef< ReturnStmt * > returns, QualType returnType)

Adjust the given return statements so that they formally return the given type.

static TemplateParameterList * getGenericLambdaTemplateParameterList(LambdaScopeInfo *LSI, Sema &SemaRef)

static void addBlockPointerConversion(Sema &S, SourceRange IntroducerRange, CXXRecordDecl *Class, CXXMethodDecl *CallOperator)

Add a lambda's conversion to block pointer.

static void buildLambdaScopeReturnType(Sema &S, LambdaScopeInfo *LSI, CXXMethodDecl *CallOperator, bool ExplicitResultType)

static TypeSourceInfo * getDummyLambdaType(Sema &S, SourceLocation Loc=SourceLocation())

static QualType buildTypeForLambdaCallOperator(Sema &S, clang::CXXRecordDecl *Class, TemplateParameterList *TemplateParams, TypeSourceInfo *MethodTypeInfo)

static bool isInInlineFunction(const DeclContext *DC)

Determine whether the given context is or is enclosed in an inline function.

static void addFunctionPointerConversions(Sema &S, SourceRange IntroducerRange, CXXRecordDecl *Class, CXXMethodDecl *CallOperator)

Add a lambda's conversion to function pointers, as described in C++11 [expr.prim.lambda]p6.

static void repeatForLambdaConversionFunctionCallingConvs(Sema &S, const FunctionProtoType &CallOpProto, Func F)

static void addFunctionPointerConversion(Sema &S, SourceRange IntroducerRange, CXXRecordDecl *Class, CXXMethodDecl *CallOperator, QualType InvokerFunctionTy)

Add a lambda's conversion to function pointer, as described in C++11 [expr.prim.lambda]p6.

This file provides some common utility functions for processing Lambdas.

This file declares semantic analysis for OpenMP constructs and clauses.

This file declares semantic analysis for SYCL constructs.

Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...

TranslationUnitDecl * getTranslationUnitDecl() const

CanQualType getCanonicalFunctionResultType(QualType ResultType) const

Adjust the given function result type.

QualType getBlockPointerType(QualType T) const

Return the uniqued reference to the type for a block of the specified type.

DeclarationNameTable DeclarationNames

QualType getRecordType(const RecordDecl *Decl) const

CanQualType getCanonicalType(QualType T) const

Return the canonical (structural) type corresponding to the specified potentially non-canonical type ...

bool hasSameType(QualType T1, QualType T2) const

Determine whether the given types T1 and T2 are equivalent.

CallingConv getDefaultCallingConvention(bool IsVariadic, bool IsCXXMethod, bool IsBuiltin=false) const

Retrieves the default calling convention for the current target.

QualType getPointerType(QualType T) const

Return the uniqued reference to the type for a pointer to the specified type.

QualType getTypeDeclType(const TypeDecl *Decl, const TypeDecl *PrevDecl=nullptr) const

Return the unique reference to the type for the specified type declaration.

TypeSourceInfo * getTrivialTypeSourceInfo(QualType T, SourceLocation Loc=SourceLocation()) const

Allocate a TypeSourceInfo where all locations have been initialized to a given location,...

llvm::DenseMap< const CXXMethodDecl *, CXXCastPath > LambdaCastPaths

For capturing lambdas with an explicit object parameter whose type is derived from the lambda type,...

MangleNumberingContext & getManglingNumberContext(const DeclContext *DC)

Retrieve the context for computing mangling numbers in the given DeclContext.

QualType getPackExpansionType(QualType Pattern, std::optional< unsigned > NumExpansions, bool ExpectPackInType=true) const

Form a pack expansion type with the given pattern.

QualType getFunctionType(QualType ResultTy, ArrayRef< QualType > Args, const FunctionProtoType::ExtProtoInfo &EPI) const

Return a normal function type with a typed argument list.

const TargetInfo & getTargetInfo() const

QualType getAutoDeductType() const

C++11 deduction pattern for 'auto' type.

ExternalASTSource * getExternalSource() const

Retrieve a pointer to the external AST source associated with this AST context, if any.

Attr - This represents one attribute.

A builtin binary operation expression such as "x + y" or "x <= y".

A binding in a decomposition declaration.

A class which contains all the information about a particular captured value.

Represents a block literal declaration, which is like an unnamed FunctionDecl.

static BlockDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L)

BlockExpr - Adaptor class for mixing a BlockDecl with expressions.

BasePaths - Represents the set of paths from a derived class to one of its (direct or indirect) bases...

Represents a C++ conversion function within a class.

static CXXConversionDecl * Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, const DeclarationNameInfo &NameInfo, QualType T, TypeSourceInfo *TInfo, bool UsesFPIntrin, bool isInline, ExplicitSpecifier ES, ConstexprSpecKind ConstexprKind, SourceLocation EndLocation, Expr *TrailingRequiresClause=nullptr)

QualType getConversionType() const

Returns the type that this conversion function is converting to.

Represents a static or instance method of a struct/union/class.

bool isImplicitObjectMemberFunction() const

[C++2b][dcl.fct]/p7 An implicit object member function is a non-static member function without an exp...

const CXXRecordDecl * getParent() const

Return the parent of this method declaration, which is the class in which this method is defined.

static CXXMethodDecl * Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, const DeclarationNameInfo &NameInfo, QualType T, TypeSourceInfo *TInfo, StorageClass SC, bool UsesFPIntrin, bool isInline, ConstexprSpecKind ConstexprKind, SourceLocation EndLocation, Expr *TrailingRequiresClause=nullptr)

Represents a C++ struct/union/class.

void setLambdaTypeInfo(TypeSourceInfo *TS)

void setLambdaIsGeneric(bool IsGeneric)

static CXXRecordDecl * CreateLambda(const ASTContext &C, DeclContext *DC, TypeSourceInfo *Info, SourceLocation Loc, unsigned DependencyKind, bool IsGeneric, LambdaCaptureDefault CaptureDefault)

bool isCapturelessLambda() const

Represents a C++ nested-name-specifier or a global scope specifier.

void mergeFrom(CleanupInfo Rhs)

void setExprNeedsCleanups(bool SideEffects)

CompoundStmt - This represents a group of statements like { stmt stmt }.

ConditionalOperator - The ?: ternary operator.

DeclContext - This is used only as base class of specific decl types that can act as declaration cont...

DeclContext * getParent()

getParent - Returns the containing DeclContext.

bool Equals(const DeclContext *DC) const

Determine whether this declaration context is equivalent to the declaration context DC.

bool isFileContext() const

bool isDependentContext() const

Determines whether this context is dependent on a template parameter.

DeclContext * getLexicalParent()

getLexicalParent - Returns the containing lexical DeclContext.

lookup_result lookup(DeclarationName Name) const

lookup - Find the declarations (if any) with the given Name in this context.

bool isTranslationUnit() const

void addDecl(Decl *D)

Add the declaration D into this context.

bool isFunctionOrMethod() const

Simple template class for restricting typo correction candidates to ones having a single Decl* of the...

A reference to a declared variable, function, enum, etc.

Captures information about "declaration specifiers".

SCS getStorageClassSpec() const

bool SetTypeQual(TQ T, SourceLocation Loc)

ConstexprSpecKind getConstexprSpecifier() const

Decl - This represents one declaration (or definition), e.g.

void setInvalidDecl(bool Invalid=true)

setInvalidDecl - Indicates the Decl had a semantic error.

void markUsed(ASTContext &C)

Mark the declaration used, in the sense of odr-use.

bool isTemplated() const

Determine whether this declaration is a templated entity (whether it is.

bool isInvalidDecl() const

void setAccess(AccessSpecifier AS)

SourceLocation getLocation() const

void setImplicit(bool I=true)

void setReferenced(bool R=true)

void setLocation(SourceLocation L)

DeclContext * getDeclContext()

DeclContext * getLexicalDeclContext()

getLexicalDeclContext - The declaration context where this Decl was lexically declared (LexicalDC).

void setLexicalDeclContext(DeclContext *DC)

DeclarationNameLoc - Additional source/type location info for a declaration name.

static DeclarationNameLoc makeNamedTypeLoc(TypeSourceInfo *TInfo)

Construct location information for a constructor, destructor or conversion operator.

static DeclarationNameLoc makeCXXOperatorNameLoc(SourceLocation BeginLoc, SourceLocation EndLoc)

Construct location information for a non-literal C++ operator.

The name of a declaration.

void setInnerLocStart(SourceLocation L)

SourceLocation getBeginLoc() const LLVM_READONLY

void setTypeSourceInfo(TypeSourceInfo *TI)

void setTrailingRequiresClause(Expr *TrailingRequiresClause)

Expr * getTrailingRequiresClause()

Get the constraint-expression introduced by the trailing requires-clause in the function/member decla...

TypeSourceInfo * getTypeSourceInfo() const

Information about one declarator, including the parsed type information and the identifier.

bool isFunctionDeclarator(unsigned &idx) const

isFunctionDeclarator - This method returns true if the declarator is a function declarator (looking t...

const DeclaratorChunk & getTypeObject(unsigned i) const

Return the specified TypeInfo from this declarator.

const DeclSpec & getDeclSpec() const

getDeclSpec - Return the declaration-specifier that this declarator was declared with.

Expr * getTrailingRequiresClause()

Sets a trailing requires clause for this declarator.

unsigned getNumTypeObjects() const

Return the number of types applied to this declarator.

bool isExplicitObjectMemberFunction()

SourceRange getSourceRange() const LLVM_READONLY

Get the source range that spans this declarator.

DeclaratorChunk::FunctionTypeInfo & getFunctionTypeInfo()

getFunctionTypeInfo - Retrieves the function type info object (looking through parentheses).

Common base class for placeholders for types that get replaced by placeholder type deduction: C++11 a...

An instance of this object exists for each enum constant that is defined.

A helper class that allows the use of isa/cast/dyncast to detect TagType objects of enums.

Store information needed for an explicit specifier.

Represents an expression – generally a full-expression – that introduces cleanups to be run at the en...

This represents one expression.

Expr * IgnoreParens() LLVM_READONLY

Skip past any parentheses which might surround this expression until reaching a fixed point.

Represents difference between two FPOptions values.

bool isFPConstrained() const

Represents a member of a struct/union/class.

static FieldDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, Expr *BW, bool Mutable, InClassInitStyle InitStyle)

static FixItHint CreateRemoval(CharSourceRange RemoveRange)

Create a code modification hint that removes the given source range.

static FixItHint CreateInsertion(SourceLocation InsertionLoc, StringRef Code, bool BeforePreviousInsertions=false)

Create a code modification hint that inserts the given code string at a specific location.

void setSubExpr(Expr *E)

As with any mutator of the AST, be very careful when modifying an existing AST to preserve its invari...

const Expr * getSubExpr() const

Represents a function declaration or definition.

const ParmVarDecl * getParamDecl(unsigned i) const

Stmt * getBody(const FunctionDecl *&Definition) const

Retrieve the body (definition) of the function.

ConstexprSpecKind getConstexprKind() const

void setDescribedFunctionTemplate(FunctionTemplateDecl *Template)

FunctionTemplateDecl * getDescribedFunctionTemplate() const

Retrieves the function template that is described by this function declaration.

QualType getReturnType() const

ArrayRef< ParmVarDecl * > parameters() const

FunctionTemplateDecl * getPrimaryTemplate() const

Retrieve the primary template that this function template specialization either specializes or was in...

bool isVariadic() const

Whether this function is variadic.

@ TK_MemberSpecialization

@ TK_DependentNonTemplate

TemplatedKind getTemplatedKind() const

What kind of templated function this is.

bool isConstexpr() const

Whether this is a (C++11) constexpr function or constexpr constructor.

bool isImmediateEscalating() const

FunctionDecl * getInstantiatedFromDecl() const

void setConstexprKind(ConstexprSpecKind CSK)

void setStorageClass(StorageClass SClass)

Sets the storage class as written in the source.

FunctionDecl * getInstantiatedFromMemberFunction() const

If this function is an instantiation of a member function of a class template specialization,...

unsigned getNumParams() const

Return the number of parameters this function must have based on its FunctionType.

void setParams(ArrayRef< ParmVarDecl * > NewParamInfo)

Represents a prototype with parameter type info, e.g.

bool isVariadic() const

Whether this function prototype is variadic.

ExtProtoInfo getExtProtoInfo() const

ArrayRef< QualType > getParamTypes() const

Declaration of a template function.

FunctionDecl * getTemplatedDecl() const

Get the underlying function declaration of the template.

FunctionTemplateDecl * getInstantiatedFromMemberTemplate() const

static FunctionTemplateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, NamedDecl *Decl)

Create a function template node.

TypeLoc getReturnLoc() const

ExtInfo withCallingConv(CallingConv cc) const

CallingConv getCallConv() const

QualType getReturnType() const

One of these records is kept for each identifier that is lexed.

IdentifierInfo & get(StringRef Name)

Return the identifier token info for the specified named identifier.

ImplicitCastExpr - Allows us to explicitly represent implicit type conversions, which have no direct ...

static ImplicitCastExpr * Create(const ASTContext &Context, QualType T, CastKind Kind, Expr *Operand, const CXXCastPath *BasePath, ExprValueKind Cat, FPOptionsOverride FPO)

Describes the kind of initialization being performed, along with location information for tokens rela...

static InitializationKind CreateDirect(SourceLocation InitLoc, SourceLocation LParenLoc, SourceLocation RParenLoc)

Create a direct initialization.

static InitializationKind CreateCopy(SourceLocation InitLoc, SourceLocation EqualLoc, bool AllowExplicitConvs=false)

Create a copy initialization.

static InitializationKind CreateDirectList(SourceLocation InitLoc)

Describes the sequence of initializations required to initialize a given object or reference with a s...

ExprResult Perform(Sema &S, const InitializedEntity &Entity, const InitializationKind &Kind, MultiExprArg Args, QualType *ResultType=nullptr)

Perform the actual initialization of the given entity based on the computed initialization sequence.

Describes an entity that is being initialized.

static InitializedEntity InitializeLambdaToBlock(SourceLocation BlockVarLoc, QualType Type)

static InitializedEntity InitializeLambdaCapture(IdentifierInfo *VarID, QualType FieldType, SourceLocation Loc)

Create the initialization entity for a lambda capture.

Describes the capture of a variable or of this, or of a C++1y init-capture.

A C++ lambda expression, which produces a function object (of unspecified type) that can be invoked l...

static LambdaExpr * Create(const ASTContext &C, CXXRecordDecl *Class, SourceRange IntroducerRange, LambdaCaptureDefault CaptureDefault, SourceLocation CaptureDefaultLoc, bool ExplicitParams, bool ExplicitResultType, ArrayRef< Expr * > CaptureInits, SourceLocation ClosingBrace, bool ContainsUnexpandedParameterPack)

Construct a new lambda expression.

A stack-allocated class that identifies which local variable declaration instantiations are present i...

Represents the results of name lookup.

DeclClass * getAsSingle() const

bool empty() const

Return true if no decls were found.

Keeps track of the mangled names of lambda expressions and block literals within a particular context...

virtual unsigned getManglingNumber(const CXXMethodDecl *CallOperator)=0

Retrieve the mangling number of a new lambda expression with the given call operator within this cont...

unsigned getNextLambdaIndex()

virtual unsigned getDeviceManglingNumber(const CXXMethodDecl *)

Retrieve the mangling number of a new lambda expression with the given call operator within the devic...

Data structure that captures multiple levels of template argument lists for use in template instantia...

This represents a decl that may have a name.

IdentifierInfo * getIdentifier() const

Get the identifier that names this declaration, if there is one.

bool isPlaceholderVar(const LangOptions &LangOpts) const

DeclarationName getDeclName() const

Get the actual, stored name of the declaration, which may be a special name.

Represents a pack expansion of types.

unsigned getNumExprs() const

Return the number of expressions in this paren list.

Represents a parameter to a function.

static ParmVarDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, StorageClass S, Expr *DefArg)

Wrapper for source info for pointers.

A (possibly-)qualified type.

QualType getDesugaredType(const ASTContext &Context) const

Return the specified type with any "sugar" removed from the type.

bool isNull() const

Return true if this QualType doesn't point to a type yet.

LangAS getAddressSpace() const

Return the address space of this type.

QualType getNonReferenceType() const

If Type is a reference type (e.g., const int&), returns the type that the reference refers to ("const...

QualType getUnqualifiedType() const

Retrieve the unqualified variant of the given type, removing as little sugar as possible.

The collection of all-type qualifiers we support.

void addAddressSpace(LangAS space)

Represents a struct/union/class.

ReturnStmt - This represents a return, optionally of an expression: return; return 4;.

void setRetValue(Expr *E)

SourceLocation getBeginLoc() const

Scope - A scope is a transient data structure that is used while parsing the program.

const Scope * getParent() const

getParent - Return the scope that this is nested in.

Scope * getTemplateParamParent()

void CheckSMEFunctionDefAttributes(const FunctionDecl *FD)

SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID, bool DeferHint=false)

Emit a diagnostic.

void CheckLambdaCapture(CXXMethodDecl *D, const sema::Capture &Capture)

void SetLambdaAttrs(CXXMethodDecl *Method)

Set device or host device attributes on the given lambda operator() method.

void ActOnFinishedFunctionDefinitionInOpenMPAssumeScope(Decl *D)

Act on D, a function definition inside of an omp [begin/end] assumes.

void CheckSYCLEntryPointFunctionDecl(FunctionDecl *FD)

LambdaScopeForCallOperatorInstantiationRAII(Sema &SemasRef, FunctionDecl *FD, MultiLevelTemplateArgumentList MLTAL, LocalInstantiationScope &Scope, bool ShouldAddDeclsFromParentScope=true)

Sema - This implements semantic analysis and AST building for C.

Attr * getImplicitCodeSegOrSectionAttrForFunction(const FunctionDecl *FD, bool IsDefinition)

Returns an implicit CodeSegAttr if a __declspec(code_seg) is found on a containing class.

QualType getCurrentThisType()

Try to retrieve the type of the 'this' pointer.

ExprResult BuildBlockForLambdaConversion(SourceLocation CurrentLocation, SourceLocation ConvLocation, CXXConversionDecl *Conv, Expr *Src)

Scope * getCurScope() const

Retrieve the parser's current scope.

ExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, Expr *InputExpr, bool IsAfterAmp=false)

void BuildBasePathArray(const CXXBasePaths &Paths, CXXCastPath &BasePath)

bool RequireCompleteSizedType(SourceLocation Loc, QualType T, unsigned DiagID, const Ts &...Args)

@ LookupOrdinaryName

Ordinary name lookup, which finds ordinary names (functions, variables, typedefs, etc....

QualType deduceVarTypeFromInitializer(VarDecl *VDecl, DeclarationName Name, QualType Type, TypeSourceInfo *TSI, SourceRange Range, bool DirectInit, Expr *Init)

bool DiagnoseEmptyLookup(Scope *S, CXXScopeSpec &SS, LookupResult &R, CorrectionCandidateCallback &CCC, TemplateArgumentListInfo *ExplicitTemplateArgs=nullptr, ArrayRef< Expr * > Args={}, DeclContext *LookupCtx=nullptr, TypoExpr **Out=nullptr)

Diagnose an empty lookup.

VarDecl * createLambdaInitCaptureVarDecl(SourceLocation Loc, QualType InitCaptureType, SourceLocation EllipsisLoc, IdentifierInfo *Id, unsigned InitStyle, Expr *Init, DeclContext *DeclCtx)

Create a dummy variable within the declcontext of the lambda's call operator, for name lookup purpose...

ExprResult ActOnLambdaExpr(SourceLocation StartLoc, Stmt *Body)

ActOnLambdaExpr - This is called when the body of a lambda expression was successfully completed.

ExprResult BuildLambdaExpr(SourceLocation StartLoc, SourceLocation EndLoc, sema::LambdaScopeInfo *LSI)

Complete a lambda-expression having processed and attached the lambda body.

CXXRecordDecl * createLambdaClosureType(SourceRange IntroducerRange, TypeSourceInfo *Info, unsigned LambdaDependencyKind, LambdaCaptureDefault CaptureDefault)

Create a new lambda closure type.

void PushExpressionEvaluationContext(ExpressionEvaluationContext NewContext, Decl *LambdaContextDecl=nullptr, ExpressionEvaluationContextRecord::ExpressionKind Type=ExpressionEvaluationContextRecord::EK_Other)

SmallVector< sema::FunctionScopeInfo *, 4 > FunctionScopes

Stack containing information about each of the nested function, block, and method scopes that are cur...

PoppedFunctionScopePtr PopFunctionScopeInfo(const sema::AnalysisBasedWarnings::Policy *WP=nullptr, const Decl *D=nullptr, QualType BlockType=QualType())

Pop a function (or block or lambda or captured region) scope from the stack.

bool CheckCXXThisCapture(SourceLocation Loc, bool Explicit=false, bool BuildAndDiagnose=true, const unsigned *const FunctionScopeIndexToStopAt=nullptr, bool ByCopy=false)

Make sure the value of 'this' is actually available in the current context, if it is a potentially ev...

void ActOnLambdaExpressionAfterIntroducer(LambdaIntroducer &Intro, Scope *CurContext)

Once the Lambdas capture are known, we can start to create the closure, call operator method,...

void AddTemplateParametersToLambdaCallOperator(CXXMethodDecl *CallOperator, CXXRecordDecl *Class, TemplateParameterList *TemplateParams)

ExprResult MaybeBindToTemporary(Expr *E)

MaybeBindToTemporary - If the passed in expression has a record type with a non-trivial destructor,...

void AddRangeBasedOptnone(FunctionDecl *FD)

Only called on function definitions; if there is a pragma in scope with the effect of a range-based o...

void addInitCapture(sema::LambdaScopeInfo *LSI, VarDecl *Var, bool ByRef)

Add an init-capture to a lambda scope.

FieldDecl * BuildCaptureField(RecordDecl *RD, const sema::Capture &Capture)

Build a FieldDecl suitable to hold the given capture.

sema::LambdaScopeInfo * RebuildLambdaScopeInfo(CXXMethodDecl *CallOperator)

void PushOnScopeChains(NamedDecl *D, Scope *S, bool AddToContext=true)

Add this decl to the scope shadowed decl chains.

ASTContext & getASTContext() const

bool tryCaptureVariable(ValueDecl *Var, SourceLocation Loc, TryCaptureKind Kind, SourceLocation EllipsisLoc, bool BuildAndDiagnose, QualType &CaptureType, QualType &DeclRefType, const unsigned *const FunctionScopeIndexToStopAt)

Try to capture the given variable.

void PopExpressionEvaluationContext()

std::string getAmbiguousPathsDisplayString(CXXBasePaths &Paths)

Builds a string representing ambiguous paths from a specific derived class to different subobjects of...

sema::LambdaScopeInfo * getCurGenericLambda()

Retrieve the current generic lambda info, if any.

void handleLambdaNumbering(CXXRecordDecl *Class, CXXMethodDecl *Method, std::optional< CXXRecordDecl::LambdaNumbering > NumberingOverride=std::nullopt)

Number lambda for linkage purposes if necessary.

LangAS getDefaultCXXMethodAddrSpace() const

Returns default addr space for method qualifiers.

ExprResult BuildCaptureInit(const sema::Capture &Capture, SourceLocation ImplicitCaptureLoc, bool IsOpenMPMapping=false)

Initialize the given capture with a suitable expression.

FPOptions & getCurFPFeatures()

SourceLocation getLocForEndOfToken(SourceLocation Loc, unsigned Offset=0)

Calls Lexer::getLocForEndOfToken()

@ UPPC_Initializer

An initializer.

@ UPPC_DeclarationType

The type of an arbitrary declaration.

void buildLambdaScope(sema::LambdaScopeInfo *LSI, CXXMethodDecl *CallOperator, SourceRange IntroducerRange, LambdaCaptureDefault CaptureDefault, SourceLocation CaptureDefaultLoc, bool ExplicitParams, bool Mutable)

Endow the lambda scope info with the relevant properties.

const LangOptions & getLangOpts() const

bool CaptureHasSideEffects(const sema::Capture &From)

Does copying/destroying the captured variable have side effects?

void ActOnStartOfLambdaDefinition(LambdaIntroducer &Intro, Declarator &ParamInfo, const DeclSpec &DS)

ActOnStartOfLambdaDefinition - This is called just before we start parsing the body of a lambda; it a...

void ActOnLambdaClosureParameters(Scope *LambdaScope, MutableArrayRef< DeclaratorChunk::ParamInfo > ParamInfo)

bool CheckConstexprFunctionDefinition(const FunctionDecl *FD, CheckConstexprKind Kind)

AccessResult CheckBaseClassAccess(SourceLocation AccessLoc, QualType Base, QualType Derived, const CXXBasePath &Path, unsigned DiagID, bool ForceCheck=false, bool ForceUnprivileged=false)

Checks access for a hierarchy conversion.

bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, UnexpandedParameterPackContext UPPC)

If the given type contains an unexpanded parameter pack, diagnose the error.

const LangOptions & LangOpts

sema::LambdaScopeInfo * getCurLambda(bool IgnoreNonLambdaCapturingScope=false)

Retrieve the current lambda scope info, if any.

bool DiagnoseUnusedLambdaCapture(SourceRange CaptureRange, const sema::Capture &From)

Diagnose if an explicit lambda capture is unused.

void maybeAddDeclWithEffects(FuncOrBlockDecl *D)

Inline checks from the start of maybeAddDeclWithEffects, to minimize performance impact on code not u...

QualType buildLambdaInitCaptureInitialization(SourceLocation Loc, bool ByRef, SourceLocation EllipsisLoc, std::optional< unsigned > NumExpansions, IdentifierInfo *Id, bool DirectInit, Expr *&Init)

void CheckCXXDefaultArguments(FunctionDecl *FD)

Helpers for dealing with blocks and functions.

CleanupInfo Cleanup

Used to control the generation of ExprWithCleanups.

void DiagnoseShadowingLambdaDecls(const sema::LambdaScopeInfo *LSI)

Diagnose shadowing for variables shadowed in the lambda record LambdaRD when these variables are capt...

Expr * BuildCXXThisExpr(SourceLocation Loc, QualType Type, bool IsImplicit)

Build a CXXThisExpr and mark it referenced in the current context.

QualType BuildReferenceType(QualType T, bool LValueRef, SourceLocation Loc, DeclarationName Entity)

Build a reference type.

ExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS, LookupResult &R, bool NeedsADL, bool AcceptInvalidDecl=false)

void DiagPlaceholderVariableDefinition(SourceLocation Loc)

DeclContext * CurContext

CurContext - This is the current declaration context of parsing.

bool inTemplateInstantiation() const

Determine whether we are currently performing template instantiation.

@ TryCapture_ExplicitByVal

@ TryCapture_ExplicitByRef

void ActOnLambdaExplicitTemplateParameterList(LambdaIntroducer &Intro, SourceLocation LAngleLoc, ArrayRef< NamedDecl * > TParams, SourceLocation RAngleLoc, ExprResult RequiresClause)

This is called after parsing the explicit template parameter list on a lambda (if it exists) in C++2a...

Decl * ActOnFinishFunctionBody(Decl *Decl, Stmt *Body)

void ActOnLambdaClosureQualifiers(LambdaIntroducer &Intro, SourceLocation MutableLoc)

void ActOnLambdaError(SourceLocation StartLoc, Scope *CurScope, bool IsInstantiation=false)

ActOnLambdaError - If there is an error parsing a lambda, this callback is invoked to pop the informa...

bool DiagnoseUseOfDecl(NamedDecl *D, ArrayRef< SourceLocation > Locs, const ObjCInterfaceDecl *UnknownObjCClass=nullptr, bool ObjCPropertyAccess=false, bool AvoidPartialAvailabilityChecks=false, ObjCInterfaceDecl *ClassReciever=nullptr, bool SkipTrailingRequiresClause=false)

Determine whether the use of this declaration is valid, and emit any corresponding diagnostics.

bool CheckParmsForFunctionDef(ArrayRef< ParmVarDecl * > Parameters, bool CheckParameterNames)

CheckParmsForFunctionDef - Check that the parameters of the given function are appropriate for the de...

void CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl, const LookupResult &R)

Diagnose variable or built-in function shadowing.

@ Normal

A normal translation unit fragment.

SmallVector< ExprWithCleanups::CleanupObject, 8 > ExprCleanupObjects

ExprCleanupObjects - This is the stack of objects requiring cleanup that are created by the current f...

@ UnevaluatedAbstract

The current expression occurs within an unevaluated operand that unconditionally permits abstract ref...

@ UnevaluatedList

The current expression occurs within a braced-init-list within an unevaluated operand.

@ ConstantEvaluated

The current context is "potentially evaluated" in C++11 terms, but the expression is evaluated at com...

@ DiscardedStatement

The current expression occurs within a discarded statement.

@ PotentiallyEvaluated

The current expression is potentially evaluated at run time, which means that code may be generated t...

@ Unevaluated

The current expression and its subexpressions occur within an unevaluated operand (C++11 [expr]p7),...

@ ImmediateFunctionContext

In addition of being constant evaluated, the current expression occurs in an immediate function conte...

@ PotentiallyEvaluatedIfUsed

The current expression is potentially evaluated, but any declarations referenced inside that expressi...

TypeSourceInfo * GetTypeForDeclarator(Declarator &D)

GetTypeForDeclarator - Convert the type for the specified declarator to Type instances.

bool RequireCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind, TypeDiagnoser &Diagnoser)

Ensure that the type T is a complete type.

void ActOnFields(Scope *S, SourceLocation RecLoc, Decl *TagDecl, ArrayRef< Decl * > Fields, SourceLocation LBrac, SourceLocation RBrac, const ParsedAttributesView &AttrList)

void CheckExplicitObjectLambda(Declarator &D)

QualType getLambdaConversionFunctionResultType(const FunctionProtoType *CallOpType, CallingConv CC)

Get the return type to use for a lambda's conversion function(s) to function pointer type,...

void CheckCompletedCXXClass(Scope *S, CXXRecordDecl *Record)

Perform semantic checks on a class definition that has been completing, introducing implicitly-declar...

void DiscardCleanupsInEvaluationContext()

SmallVector< ExpressionEvaluationContextRecord, 8 > ExprEvalContexts

A stack of expression evaluation contexts.

void PushDeclContext(Scope *S, DeclContext *DC)

Set the current declaration context until it gets popped.

CXXMethodDecl * CreateLambdaCallOperator(SourceRange IntroducerRange, CXXRecordDecl *Class)

void deduceClosureReturnType(sema::CapturingScopeInfo &CSI)

Deduce a block or lambda's return type based on the return statements present in the body.

ExprResult PerformCopyInitialization(const InitializedEntity &Entity, SourceLocation EqualLoc, ExprResult Init, bool TopLevelOfInitList=false, bool AllowExplicit=false)

void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD)

ProcessDeclAttributes - Given a declarator (PD) with attributes indicated in it, apply them to D.

QualType SubstAutoTypeDependent(QualType TypeWithAuto)

std::tuple< MangleNumberingContext *, Decl * > getCurrentMangleNumberContext(const DeclContext *DC)

Compute the mangling number context for a lambda expression or block literal.

void CompleteLambdaCallOperator(CXXMethodDecl *Method, SourceLocation LambdaLoc, SourceLocation CallOperatorLoc, Expr *TrailingRequiresClause, TypeSourceInfo *MethodTyInfo, ConstexprSpecKind ConstexprKind, StorageClass SC, ArrayRef< ParmVarDecl * > Params, bool HasExplicitResultType)

void finishLambdaExplicitCaptures(sema::LambdaScopeInfo *LSI)

Note that we have finished the explicit captures for the given lambda.

bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base)

Determine whether the type Derived is a C++ class that is derived from the type Base.

@ CheckValid

Identify whether this function satisfies the formal rules for constexpr functions in the current lanu...

bool DiagnoseInvalidExplicitObjectParameterInLambda(CXXMethodDecl *Method, SourceLocation CallLoc)

Returns true if the explicit object parameter was invalid.

bool LookupName(LookupResult &R, Scope *S, bool AllowBuiltinCreation=false, bool ForceNoCPlusPlus=false)

Perform unqualified name lookup starting from a given scope.

void NoteTemplateParameterLocation(const NamedDecl &Decl)

ExprResult ActOnFinishFullExpr(Expr *Expr, bool DiscardedValue)

Encodes a location in the source.

bool isValid() const

Return true if this is a valid SourceLocation object.

A trivial tuple used to represent a source range.

SourceLocation getEnd() const

SourceLocation getBegin() const

StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}).

Stmt - This represents one statement.

SourceLocation getEndLoc() const LLVM_READONLY

bool hasNameForLinkage() const

Is this tag type named, either directly or via being defined in a typedef of this type?

Exposes information about the current target.

const llvm::Triple & getTriple() const

Returns the target triple of the primary target.

virtual CallingConvCheckResult checkCallingConvention(CallingConv CC) const

Determines whether a given calling convention is valid for the target.

TemplateParameterList * getTemplateParameters() const

Get the list of template parameters.

Stores a list of template parameters for a TemplateDecl and its derived classes.

bool containsUnexpandedParameterPack() const

Determine whether this template parameter list contains an unexpanded parameter pack.

ArrayRef< NamedDecl * > asArray()

TyLocType push(QualType T)

Pushes space for a new TypeLoc of the given type.

TypeSourceInfo * getTypeSourceInfo(ASTContext &Context, QualType T)

Creates a TypeSourceInfo for the given type.

Base wrapper for a particular "section" of type source info.

T getAs() const

Convert to the specified TypeLoc type, returning a null TypeLoc if this TypeLoc is not of the desired...

A container of type source information.

TypeLoc getTypeLoc() const

Return the TypeLoc wrapper for the type source info.

QualType getType() const

Return the type wrapped by this type source info.

void setNameLoc(SourceLocation Loc)

The base class of the type hierarchy.

CXXRecordDecl * getAsCXXRecordDecl() const

Retrieves the CXXRecordDecl that this type refers to, either because the type is a RecordType or beca...

bool isIntegralOrUnscopedEnumerationType() const

Determine whether this type is an integral or unscoped enumeration type.

CanQualType getCanonicalTypeUnqualified() const

const T * castAs() const

Member-template castAs<specific type>.

QualType getPointeeType() const

If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.

bool isDependentType() const

Whether this type is a dependent type, meaning that its definition somehow depends on a template para...

bool containsUnexpandedParameterPack() const

Whether this type is or contains an unexpanded parameter pack, used to support C++0x variadic templat...

const Type * getBaseElementTypeUnsafe() const

Get the base element type of this type, potentially discarding type qualifiers.

bool isUndeducedType() const

Determine whether this type is an undeduced type, meaning that it somehow involves a C++11 'auto' typ...

bool isIncompleteType(NamedDecl **Def=nullptr) const

Types are partitioned into 3 broad categories (C99 6.2.5p1): object types, function types,...

const T * getAs() const

Member-template getAs<specific type>'.

std::optional< NullabilityKind > getNullability() const

Determine the nullability of the given type.

Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...

void setType(QualType newType)

bool isParameterPack() const

Determine whether this value is actually a function parameter pack, init-capture pack,...

VarDecl * getPotentiallyDecomposedVarDecl()

bool isInitCapture() const

Whether this variable is the implicit variable for a lambda init-capture.

Represents a variable declaration or definition.

static VarDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, StorageClass S)

void setInitStyle(InitializationStyle Style)

void setInitCapture(bool IC)

bool isInitCapture() const

Whether this variable is the implicit variable for a lambda init-capture.

InitializationStyle

Initialization styles.

@ ListInit

Direct list-initialization (C++11)

@ CInit

C-style initialization with assignment.

@ CallInit

Call-style initialization (C++98)

bool hasLocalStorage() const

Returns true if a variable with function scope is a non-static local variable.

StorageClass getStorageClass() const

Returns the storage class as written in the source.

ValueDecl * getVariable() const

bool isVariableCapture() const

bool isBlockCapture() const

SourceLocation getLocation() const

Retrieve the location at which this variable was captured.

bool isNonODRUsed() const

bool isInitCapture() const

Determine whether this capture is an init-capture.

bool isVLATypeCapture() const

SourceLocation getEllipsisLoc() const

Retrieve the source location of the ellipsis, whose presence indicates that the capture is a pack exp...

bool isThisCapture() const

QualType getCaptureType() const

Retrieve the capture type for this capture, which is effectively the type of the non-static data memb...

bool isCopyCapture() const

const VariableArrayType * getCapturedVLAType() const

QualType ReturnType

ReturnType - The target type of return statements in this context, or null if unknown.

bool isCaptured(ValueDecl *Var) const

Determine whether the given variable has been captured.

bool ContainsUnexpandedParameterPack

Whether this contains an unexpanded parameter pack.

SmallVector< Capture, 4 > Captures

Captures - The captures.

ImplicitCaptureStyle ImpCaptureStyle

bool HasImplicitReturnType

Capture & getCXXThisCapture()

Retrieve the capture of C++ 'this', if it has been captured.

bool isCXXThisCaptured() const

Determine whether the C++ 'this' is captured.

SmallVector< NamedDecl *, 4 > LocalPacks

Packs introduced by this, if any.

void addCapture(ValueDecl *Var, bool isBlock, bool isByref, bool isNested, SourceLocation Loc, SourceLocation EllipsisLoc, QualType CaptureType, bool Invalid)

SmallVector< ReturnStmt *, 4 > Returns

The list of return statements that occur within the function or block, if there is any chance of appl...

SourceLocation PotentialThisCaptureLocation

void finishedExplicitCaptures()

Note when all explicit captures have been added.

CleanupInfo Cleanup

Whether any of the capture expressions requires cleanups.

SourceRange IntroducerRange

Source range covering the lambda introducer [...].

bool ExplicitParams

Whether the (empty) parameter list is explicit.

TemplateParameterList * GLTemplateParameterList

If this is a generic lambda, and the template parameter list has been created (from the TemplateParam...

ExprResult RequiresClause

The requires-clause immediately following the explicit template parameter list, if any.

SourceRange ExplicitTemplateParamsRange

Source range covering the explicit template parameter list (if it exists).

CXXRecordDecl * Lambda

The class that describes the lambda.

unsigned NumExplicitCaptures

The number of captures in the Captures list that are explicit captures.

SourceLocation CaptureDefaultLoc

Source location of the '&' or '=' specifying the default capture type, if any.

llvm::DenseMap< unsigned, SourceRange > ExplicitCaptureRanges

A map of explicit capture indices to their introducer source ranges.

bool AfterParameterList

Indicate that we parsed the parameter list at which point the mutability of the lambda is known.

CXXMethodDecl * CallOperator

The lambda's compiler-generated operator().

bool Mutable

Whether this is a mutable lambda.

Defines the clang::TargetInfo interface.

The JSON file list parser is used to communicate input to InstallAPI.

if(T->getSizeExpr()) TRY_TO(TraverseStmt(const_cast< Expr * >(T -> getSizeExpr())))

DeclContext * getLambdaAwareParentOfDeclContext(DeclContext *DC)

std::optional< unsigned > getStackIndexOfNearestEnclosingCaptureCapableLambda(ArrayRef< const sema::FunctionScopeInfo * > FunctionScopes, ValueDecl *VarToCapture, Sema &S)

Examines the FunctionScopeInfo stack to determine the nearest enclosing lambda (to the current lambda...

ConstexprSpecKind

Define the kind of constexpr specifier.

@ ICIS_NoInit

No in-class initializer.

@ RQ_None

No ref-qualifier was provided.

LambdaCaptureKind

The different capture forms in a lambda introducer.

@ LCK_ByCopy

Capturing by copy (a.k.a., by value)

@ LCK_ByRef

Capturing by reference.

@ LCK_VLAType

Capturing variable-length array type.

@ LCK_StarThis

Capturing the *this object by copy.

@ LCK_This

Capturing the *this object by reference.

bool isLambdaCallWithExplicitObjectParameter(const DeclContext *DC)

StorageClass

Storage classes.

bool FTIHasSingleVoidParameter(const DeclaratorChunk::FunctionTypeInfo &FTI)

@ CopyInit

[a = b], [a = {b}]

bool isLambdaCallOperator(const CXXMethodDecl *MD)

@ Result

The result type of a method or function.

bool hasWeakerNullability(NullabilityKind L, NullabilityKind R)

Return true if L has a weaker nullability annotation than R.

ActionResult< Expr * > ExprResult

LangAS

Defines the address space values used by the address space qualifier of QualType.

LambdaCaptureDefault

The default, if any, capture method for a lambda expression.

@ VK_PRValue

A pr-value expression (in the C++11 taxonomy) produces a temporary value.

StringRef getLambdaStaticInvokerName()

const FunctionProtoType * T

CallingConv

CallingConv - Specifies the calling convention that a function uses.

@ Class

The "class" keyword introduces the elaborated-type-specifier.

@ EST_BasicNoexcept

noexcept

MutableArrayRef< Expr * > MultiExprArg

Information about how a lambda is numbered within its context.

unsigned DeviceManglingNumber

bool HasKnownInternalLinkage

DeclarationNameInfo - A collector data type for bundling together a DeclarationName and the correspon...

SourceLocation getTrailingReturnTypeLoc() const

Get the trailing-return-type location for this function declarator.

bool hasTrailingReturnType() const

Determine whether this function declarator had a trailing-return-type.

ParsedType getTrailingReturnType() const

Get the trailing-return-type for this function declarator.

bool hasMutableQualifier() const

Determine whether this lambda-declarator contains a 'mutable' qualifier.

DeclSpec & getOrCreateMethodQualifiers()

ParamInfo - An array of paraminfo objects is allocated whenever a function declarator is parsed.

ExceptionSpecificationType Type

The kind of exception specification this is.

Extra information about a function prototype.

ExceptionSpecInfo ExceptionSpec

RefQualifierKind RefQualifier

unsigned HasTrailingReturn

FunctionType::ExtInfo ExtInfo

unsigned NumExplicitTemplateParams

The number of parameters in the template parameter list that were explicitly specified by the user,...

SmallVector< NamedDecl *, 4 > TemplateParams

Store the list of the template parameters for a generic lambda or an abbreviated function template.

Represents a complete lambda introducer.

SmallVector< LambdaCapture, 4 > Captures

SourceLocation DefaultLoc

LambdaCaptureDefault Default

An RAII helper that pops function a function scope on exit.

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