clang
6.0.0
|
Describes the sequence of initializations required to initialize a given object or reference with a set of arguments. More...
#include "clang/Sema/Initialization.h"
Classes | |
class | Step |
A single step in the initialization sequence. More... | |
Public Member Functions | |
void | SetZeroInitializationFixit (const std::string &Fixit, SourceLocation L) |
Call for initializations are invalid but that would be valid zero initialzations if Fixit was applied. More... | |
InitializationSequence (Sema &S, const InitializedEntity &Entity, const InitializationKind &Kind, MultiExprArg Args, bool TopLevelOfInitList=false, bool TreatUnavailableAsInvalid=true) | |
Try to perform initialization of the given entity, creating a record of the steps required to perform the initialization. More... | |
void | InitializeFrom (Sema &S, const InitializedEntity &Entity, const InitializationKind &Kind, MultiExprArg Args, bool TopLevelOfInitList, bool TreatUnavailableAsInvalid) |
~InitializationSequence () | |
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. More... | |
bool | Diagnose (Sema &S, const InitializedEntity &Entity, const InitializationKind &Kind, ArrayRef< Expr *> Args) |
Diagnose an potentially-invalid initialization sequence. More... | |
enum SequenceKind | getKind () const |
Determine the kind of initialization sequence computed. More... | |
void | setSequenceKind (enum SequenceKind SK) |
Set the kind of sequence computed. More... | |
operator bool () const | |
Determine whether the initialization sequence is valid. More... | |
bool | Failed () const |
Determine whether the initialization sequence is invalid. More... | |
step_iterator | step_begin () const |
step_iterator | step_end () const |
step_range | steps () const |
bool | isDirectReferenceBinding () const |
Determine whether this initialization is a direct reference binding (C++ [dcl.init.ref]). More... | |
bool | isAmbiguous () const |
Determine whether this initialization failed due to an ambiguity. More... | |
bool | isConstructorInitialization () const |
Determine whether this initialization is direct call to a constructor. More... | |
bool | endsWithNarrowing (ASTContext &Ctx, const Expr *Initializer, bool *isInitializerConstant, APValue *ConstantValue) const |
Returns whether the last step in this initialization sequence is a narrowing conversion, defined by C++0x [dcl.init.list]p7. More... | |
void | AddAddressOverloadResolutionStep (FunctionDecl *Function, DeclAccessPair Found, bool HadMultipleCandidates) |
Add a new step in the initialization that resolves the address of an overloaded function to a specific function declaration. More... | |
void | AddDerivedToBaseCastStep (QualType BaseType, ExprValueKind Category) |
Add a new step in the initialization that performs a derived-to- base cast. More... | |
void | AddReferenceBindingStep (QualType T, bool BindingTemporary) |
Add a new step binding a reference to an object. More... | |
void | AddExtraneousCopyToTemporary (QualType T) |
Add a new step that makes an extraneous copy of the input to a temporary of the same class type. More... | |
void | AddFinalCopy (QualType T) |
Add a new step that makes a copy of the input to an object of the given type, as the final step in class copy-initialization. More... | |
void | AddUserConversionStep (FunctionDecl *Function, DeclAccessPair FoundDecl, QualType T, bool HadMultipleCandidates) |
Add a new step invoking a conversion function, which is either a constructor or a conversion function. More... | |
void | AddQualificationConversionStep (QualType Ty, ExprValueKind Category) |
Add a new step that performs a qualification conversion to the given type. More... | |
void | AddAtomicConversionStep (QualType Ty) |
Add a new step that performs conversion from non-atomic to atomic type. More... | |
void | AddLValueToRValueStep (QualType Ty) |
Add a new step that performs a load of the given type. More... | |
void | AddConversionSequenceStep (const ImplicitConversionSequence &ICS, QualType T, bool TopLevelOfInitList=false) |
Add a new step that applies an implicit conversion sequence. More... | |
void | AddListInitializationStep (QualType T) |
Add a list-initialization step. More... | |
void | AddConstructorInitializationStep (DeclAccessPair FoundDecl, CXXConstructorDecl *Constructor, QualType T, bool HadMultipleCandidates, bool FromInitList, bool AsInitList) |
Add a constructor-initialization step. More... | |
void | AddZeroInitializationStep (QualType T) |
Add a zero-initialization step. More... | |
void | AddCAssignmentStep (QualType T) |
Add a C assignment step. More... | |
void | AddStringInitStep (QualType T) |
Add a string init step. More... | |
void | AddObjCObjectConversionStep (QualType T) |
Add an Objective-C object conversion step, which is always a no-op. More... | |
void | AddArrayInitLoopStep (QualType T, QualType EltTy) |
Add an array initialization loop step. More... | |
void | AddArrayInitStep (QualType T, bool IsGNUExtension) |
Add an array initialization step. More... | |
void | AddParenthesizedArrayInitStep (QualType T) |
Add a parenthesized array initialization step. More... | |
void | AddPassByIndirectCopyRestoreStep (QualType T, bool shouldCopy) |
Add a step to pass an object by indirect copy-restore. More... | |
void | AddProduceObjCObjectStep (QualType T) |
Add a step to "produce" an Objective-C object (by retaining it). More... | |
void | AddStdInitializerListConstructionStep (QualType T) |
Add a step to construct a std::initializer_list object from an initializer list. More... | |
void | AddOCLSamplerInitStep (QualType T) |
Add a step to initialize an OpenCL sampler from an integer constant. More... | |
void | AddOCLZeroEventStep (QualType T) |
Add a step to initialize an OpenCL event_t from a NULL constant. More... | |
void | AddOCLZeroQueueStep (QualType T) |
Add a step to initialize an OpenCL queue_t from 0. More... | |
void | RewrapReferenceInitList (QualType T, InitListExpr *Syntactic) |
Add steps to unwrap a initializer list for a reference around a single element and rewrap it at the end. More... | |
void | SetFailed (FailureKind Failure) |
Note that this initialization sequence failed. More... | |
void | SetOverloadFailure (FailureKind Failure, OverloadingResult Result) |
Note that this initialization sequence failed due to failed overload resolution. More... | |
OverloadCandidateSet & | getFailedCandidateSet () |
Retrieve a reference to the candidate set when overload resolution fails. More... | |
OverloadingResult | getFailedOverloadResult () const |
Get the overloading result, for when the initialization sequence failed due to a bad overload. More... | |
void | setIncompleteTypeFailure (QualType IncompleteType) |
Note that this initialization sequence failed due to an incomplete type. More... | |
FailureKind | getFailureKind () const |
Determine why initialization failed. More... | |
void | dump (raw_ostream &OS) const |
Dump a representation of this initialization sequence to the given stream, for debugging purposes. More... | |
void | dump () const |
Dump a representation of this initialization sequence to standard error, for debugging purposes. More... | |
Describes the sequence of initializations required to initialize a given object or reference with a set of arguments.
Definition at line 675 of file Initialization.h.
typedef SmallVectorImpl<Step>::const_iterator clang::InitializationSequence::step_iterator |
Definition at line 1023 of file Initialization.h.
typedef llvm::iterator_range<step_iterator> clang::InitializationSequence::step_range |
Definition at line 1027 of file Initialization.h.
Describes why initialization failed.
Definition at line 831 of file Initialization.h.
Describes the kind of initialization sequence computed.
Definition at line 678 of file Initialization.h.
Describes the kind of a particular step in an initialization sequence.
Enumerator | |
---|---|
SK_ResolveAddressOfOverloadedFunction | Resolve the address of an overloaded function to a specific function declaration. |
SK_CastDerivedToBaseRValue | Perform a derived-to-base cast, producing an rvalue. |
SK_CastDerivedToBaseXValue | Perform a derived-to-base cast, producing an xvalue. |
SK_CastDerivedToBaseLValue | Perform a derived-to-base cast, producing an lvalue. |
SK_BindReference | Reference binding to an lvalue. |
SK_BindReferenceToTemporary | Reference binding to a temporary. |
SK_ExtraneousCopyToTemporary | An optional copy of a temporary object to another temporary object, which is permitted (but not required) by C++98/03 but not C++0x. |
SK_FinalCopy | Direct-initialization from a reference-related object in the final stage of class copy-initialization. |
SK_UserConversion | Perform a user-defined conversion, either via a conversion function or via a constructor. |
SK_QualificationConversionRValue | Perform a qualification conversion, producing an rvalue. |
SK_QualificationConversionXValue | Perform a qualification conversion, producing an xvalue. |
SK_QualificationConversionLValue | Perform a qualification conversion, producing an lvalue. |
SK_AtomicConversion | Perform a conversion adding _Atomic to a type. |
SK_LValueToRValue | Perform a load from a glvalue, producing an rvalue. |
SK_ConversionSequence | Perform an implicit conversion sequence. |
SK_ConversionSequenceNoNarrowing | Perform an implicit conversion sequence without narrowing. |
SK_ListInitialization | Perform list-initialization without a constructor. |
SK_UnwrapInitList | Unwrap the single-element initializer list for a reference. |
SK_RewrapInitList | Rewrap the single-element initializer list for a reference. |
SK_ConstructorInitialization | Perform initialization via a constructor. |
SK_ConstructorInitializationFromList | Perform initialization via a constructor, taking arguments from a single InitListExpr. |
SK_ZeroInitialization | Zero-initialize the object. |
SK_CAssignment | C assignment. |
SK_StringInit | Initialization by string. |
SK_ObjCObjectConversion | An initialization that "converts" an Objective-C object (not a point to an object) to another Objective-C object type. |
SK_ArrayLoopIndex | Array indexing for initialization by elementwise copy. |
SK_ArrayLoopInit | Array initialization by elementwise copy. |
SK_ArrayInit | Array initialization (from an array rvalue). |
SK_GNUArrayInit | Array initialization (from an array rvalue) as a GNU extension. |
SK_ParenthesizedArrayInit | Array initialization from a parenthesized initializer list. This is a GNU C++ extension. |
SK_PassByIndirectCopyRestore | Pass an object by indirect copy-and-restore. |
SK_PassByIndirectRestore | Pass an object by indirect restore. |
SK_ProduceObjCObject | Produce an Objective-C object pointer. |
SK_StdInitializerList | Construct a std::initializer_list from an initializer list. |
SK_StdInitializerListConstructorCall | Perform initialization via a constructor taking a single std::initializer_list argument. |
SK_OCLSamplerInit | Initialize an OpenCL sampler from an integer. |
SK_OCLZeroQueue | Initialize queue_t from 0. |
SK_OCLZeroEvent | Passing zero to a function where OpenCL event_t is expected. |
Definition at line 694 of file Initialization.h.
InitializationSequence::InitializationSequence | ( | Sema & | S, |
const InitializedEntity & | Entity, | ||
const InitializationKind & | Kind, | ||
MultiExprArg | Args, | ||
bool | TopLevelOfInitList = false , |
||
bool | TreatUnavailableAsInvalid = true |
||
) |
Try to perform initialization of the given entity, creating a record of the steps required to perform the initialization.
The generated initialization sequence will either contain enough information to diagnose
S | the semantic analysis object. |
Entity | the entity being initialized. |
Kind | the kind of initialization being performed. |
Args | the argument(s) provided for initialization. |
TopLevelOfInitList | true if we are initializing from an expression at the top level inside an initializer list. This disallows narrowing conversions in C++11 onwards. |
TreatUnavailableAsInvalid | true if we want to treat unavailable as invalid. |
Definition at line 5184 of file SemaInit.cpp.
References InitializeFrom().
InitializationSequence::~InitializationSequence | ( | ) |
Definition at line 5577 of file SemaInit.cpp.
void InitializationSequence::AddAddressOverloadResolutionStep | ( | FunctionDecl * | Function, |
DeclAccessPair | Found, | ||
bool | HadMultipleCandidates | ||
) |
Add a new step in the initialization that resolves the address of an overloaded function to a specific function declaration.
Function | the function to which the overloaded function reference resolves. |
Definition at line 3229 of file SemaInit.cpp.
Referenced by isConstructorInitialization(), and ResolveOverloadedFunctionForReferenceBinding().
Add an array initialization loop step.
Definition at line 3391 of file SemaInit.cpp.
Add an array initialization step.
Definition at line 3384 of file SemaInit.cpp.
void InitializationSequence::AddAtomicConversionStep | ( | QualType | Ty | ) |
Add a new step that performs conversion from non-atomic to atomic type.
Definition at line 3308 of file SemaInit.cpp.
void InitializationSequence::AddCAssignmentStep | ( | QualType | T | ) |
Add a C assignment step.
Definition at line 3363 of file SemaInit.cpp.
void InitializationSequence::AddConstructorInitializationStep | ( | DeclAccessPair | FoundDecl, |
CXXConstructorDecl * | Constructor, | ||
QualType | T, | ||
bool | HadMultipleCandidates, | ||
bool | FromInitList, | ||
bool | AsInitList | ||
) |
Add a constructor-initialization step.
FromInitList | The constructor call is syntactically an initializer list. |
AsInitList | The constructor is called as an init list constructor. |
Definition at line 3342 of file SemaInit.cpp.
Referenced by TryConstructorInitialization().
void InitializationSequence::AddConversionSequenceStep | ( | const ImplicitConversionSequence & | ICS, |
QualType | T, | ||
bool | TopLevelOfInitList = false |
||
) |
Add a new step that applies an implicit conversion sequence.
Definition at line 3324 of file SemaInit.cpp.
Referenced by tryObjCWritebackConversion(), and TryReferenceInitializationCore().
void InitializationSequence::AddDerivedToBaseCastStep | ( | QualType | BaseType, |
ExprValueKind | Category | ||
) |
Add a new step in the initialization that performs a derived-to- base cast.
BaseType | the base type to which we will be casting. |
Category | Indicates whether the result will be treated as an rvalue, an xvalue, or an lvalue. |
Definition at line 3241 of file SemaInit.cpp.
Referenced by TryReferenceInitializationCore().
void InitializationSequence::AddExtraneousCopyToTemporary | ( | QualType | T | ) |
Add a new step that makes an extraneous copy of the input to a temporary of the same class type.
This extraneous copy only occurs during reference binding in C++98/03, where we are permitted (but not required) to introduce an extra copy. At a bare minimum, we must check that we could call the copy constructor, and produce a diagnostic if the copy constructor is inaccessible or no copy constructor matches.
T | The type of the temporary being created. |
Definition at line 3268 of file SemaInit.cpp.
Referenced by TryReferenceInitializationCore().
void InitializationSequence::AddFinalCopy | ( | QualType | T | ) |
Add a new step that makes a copy of the input to an object of the given type, as the final step in class copy-initialization.
Definition at line 3261 of file SemaInit.cpp.
void InitializationSequence::AddListInitializationStep | ( | QualType | T | ) |
Add a list-initialization step.
Definition at line 3335 of file SemaInit.cpp.
void InitializationSequence::AddLValueToRValueStep | ( | QualType | Ty | ) |
Add a new step that performs a load of the given type.
Although the term "LValueToRValue" is conventional, this applies to both lvalues and xvalues.
Definition at line 3315 of file SemaInit.cpp.
References clang::QualType::hasQualifiers().
void InitializationSequence::AddObjCObjectConversionStep | ( | QualType | T | ) |
Add an Objective-C object conversion step, which is always a no-op.
Definition at line 3377 of file SemaInit.cpp.
Referenced by TryReferenceInitializationCore().
void InitializationSequence::AddOCLSamplerInitStep | ( | QualType | T | ) |
Add a step to initialize an OpenCL sampler from an integer constant.
Definition at line 3432 of file SemaInit.cpp.
Referenced by TryOCLSamplerInitialization().
void InitializationSequence::AddOCLZeroEventStep | ( | QualType | T | ) |
Add a step to initialize an OpenCL event_t from a NULL constant.
Definition at line 3439 of file SemaInit.cpp.
Referenced by TryOCLZeroEventInitialization().
void InitializationSequence::AddOCLZeroQueueStep | ( | QualType | T | ) |
Add a step to initialize an OpenCL queue_t from 0.
Definition at line 3446 of file SemaInit.cpp.
Referenced by TryOCLZeroQueueInitialization().
void InitializationSequence::AddParenthesizedArrayInitStep | ( | QualType | T | ) |
Add a parenthesized array initialization step.
Definition at line 3402 of file SemaInit.cpp.
Add a step to pass an object by indirect copy-restore.
Definition at line 3409 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, clang::InitializationSequence::Step::Type, and clang::ast_matchers::type.
Referenced by tryObjCWritebackConversion().
void InitializationSequence::AddProduceObjCObjectStep | ( | QualType | T | ) |
Add a step to "produce" an Objective-C object (by retaining it).
Definition at line 3418 of file SemaInit.cpp.
Referenced by MaybeProduceObjCObject().
void InitializationSequence::AddQualificationConversionStep | ( | QualType | Ty, |
ExprValueKind | Category | ||
) |
Add a new step that performs a qualification conversion to the given type.
Definition at line 3289 of file SemaInit.cpp.
Referenced by TryConstructorInitialization(), and TryReferenceInitializationCore().
Add a new step binding a reference to an object.
BindingTemporary | True if we are binding a reference to a temporary object (thereby extending its lifetime); false if we are binding to an lvalue or an lvalue treated as an rvalue. |
Definition at line 3253 of file SemaInit.cpp.
Referenced by TryReferenceInitializationCore(), and TryReferenceListInitialization().
void InitializationSequence::AddStdInitializerListConstructionStep | ( | QualType | T | ) |
Add a step to construct a std::initializer_list object from an initializer list.
Definition at line 3425 of file SemaInit.cpp.
void InitializationSequence::AddStringInitStep | ( | QualType | T | ) |
Add a string init step.
Definition at line 3370 of file SemaInit.cpp.
Referenced by TryStringLiteralInitialization().
void InitializationSequence::AddUserConversionStep | ( | FunctionDecl * | Function, |
DeclAccessPair | FoundDecl, | ||
QualType | T, | ||
bool | HadMultipleCandidates | ||
) |
Add a new step invoking a conversion function, which is either a constructor or a conversion function.
Definition at line 3276 of file SemaInit.cpp.
Referenced by TryConstructorInitialization().
void InitializationSequence::AddZeroInitializationStep | ( | QualType | T | ) |
Add a zero-initialization step.
Definition at line 3356 of file SemaInit.cpp.
Referenced by maybeRecoverWithZeroInitialization(), TryDefaultInitialization(), and TryValueInitialization().
bool InitializationSequence::Diagnose | ( | Sema & | S, |
const InitializedEntity & | Entity, | ||
const InitializationKind & | Kind, | ||
ArrayRef< Expr *> | Args | ||
) |
Diagnose an potentially-invalid initialization sequence.
Definition at line 7545 of file SemaInit.cpp.
References clang::OverloadCandidateSet::BestViableFunction(), clang::Sema::checkAddressOfFunctionIsAvailable(), clang::Sema::Context, clang::Sema::CurContext, clang::Sema::Diag(), diagnoseListInit(), DiagnoseUninitializedReference(), clang::InitializedEntity::EK_Base, clang::InitializedEntity::EK_Member, clang::InitializedEntity::EK_Result, emitBadConversionNotes(), Failed(), FK_AddressOfOverloadFailed, FK_AddressOfUnaddressableFunction, FK_ArrayNeedsInitList, FK_ArrayNeedsInitListOrStringLiteral, FK_ArrayNeedsInitListOrWideStringLiteral, FK_ArrayTypeMismatch, FK_ConstructorOverloadFailed, FK_ConversionFailed, FK_ConversionFromPropertyFailed, FK_DefaultInitOfConst, FK_ExplicitConstructor, FK_IncompatWideStringIntoWideChar, FK_Incomplete, FK_InitListBadDestinationType, FK_ListConstructorOverloadFailed, FK_ListInitializationFailed, FK_NarrowStringIntoWideCharArray, FK_NonConstantArrayInit, FK_NonConstLValueReferenceBindingToBitfield, FK_NonConstLValueReferenceBindingToTemporary, FK_NonConstLValueReferenceBindingToUnrelated, FK_NonConstLValueReferenceBindingToVectorElement, FK_ParenthesizedListInitForReference, FK_ParenthesizedListInitForScalar, FK_PlaceholderType, FK_ReferenceBindingToInitList, FK_ReferenceInitDropsQualifiers, FK_ReferenceInitFailed, FK_ReferenceInitOverloadFailed, FK_RValueReferenceBindingToLValue, FK_TooManyInitsForReference, FK_TooManyInitsForScalar, FK_UserConversionOverloadFailed, FK_VariableLengthArrayHasInitializer, FK_WideStringIntoCharArray, clang::Type::getAs(), clang::InitializedEntity::getBaseSpecifier(), clang::SourceRange::getBegin(), clang::Qualifiers::getCVRQualifiers(), clang::InitializedEntity::getDecl(), clang::NamedDecl::getDeclName(), clang::CXXConstructorDecl::getInheritedConstructor(), clang::InitListExpr::getInit(), clang::InitializedEntity::getKind(), clang::InitializationKind::getKind(), clang::Decl::getLocation(), clang::InitializationKind::getLocation(), clang::Stmt::getLocEnd(), clang::InitListExpr::getLocEnd(), clang::Sema::getLocForEndOfToken(), clang::InitializedEntity::getName(), clang::QualType::getNonReferenceType(), clang::InitListExpr::getNumInits(), clang::CXXMethodDecl::getParent(), clang::QualType::getQualifiers(), clang::tooling::fixit::internal::getSourceRange(), clang::Sema::getSpecialMember(), clang::ASTContext::getTagDeclType(), clang::CXXBaseSpecifier::getType(), clang::InitializedEntity::getType(), clang::ASTContext::getTypeDeclType(), clang::Sema::HandleFunctionTypeMismatch(), clang::InitializationKind::IK_Default, clang::InitializationKind::IK_Value, clang::InitializationKind::isCStyleOrFunctionalCast(), clang::Decl::isImplicit(), clang::Sema::isImplicitlyDeleted(), clang::Type::isRecordType(), clang::Type::isReferenceType(), clang::QualType::isVolatileQualified(), clang::OverloadCandidateSet::NoteCandidates(), clang::Sema::NoteDeletedFunction(), clang::OCD_AllCandidates, clang::OCD_ViableCandidates, clang::OR_Ambiguous, clang::OR_Deleted, clang::OR_No_Viable_Function, clang::OR_Success, clang::Sema::PDiag(), clang::Sema::RequireCompleteType(), clang::Sema::ResolveAddressOfOverloadedFunction(), and clang::SourceRange::setBegin().
Referenced by getAssignmentAction(), Perform(), and TryClassUnification().
void InitializationSequence::dump | ( | raw_ostream & | OS | ) | const |
Dump a representation of this initialization sequence to the given stream, for debugging purposes.
Definition at line 7962 of file SemaInit.cpp.
References DependentSequence, FailedSequence, FK_AddressOfOverloadFailed, FK_AddressOfUnaddressableFunction, FK_ArrayNeedsInitList, FK_ArrayNeedsInitListOrStringLiteral, FK_ArrayNeedsInitListOrWideStringLiteral, FK_ArrayTypeMismatch, FK_ConstructorOverloadFailed, FK_ConversionFailed, FK_ConversionFromPropertyFailed, FK_DefaultInitOfConst, FK_ExplicitConstructor, FK_IncompatWideStringIntoWideChar, FK_Incomplete, FK_InitListBadDestinationType, FK_ListConstructorOverloadFailed, FK_ListInitializationFailed, FK_NarrowStringIntoWideCharArray, FK_NonConstantArrayInit, FK_NonConstLValueReferenceBindingToBitfield, FK_NonConstLValueReferenceBindingToTemporary, FK_NonConstLValueReferenceBindingToUnrelated, FK_NonConstLValueReferenceBindingToVectorElement, FK_ParenthesizedListInitForReference, FK_ParenthesizedListInitForScalar, FK_PlaceholderType, FK_ReferenceBindingToInitList, FK_ReferenceInitDropsQualifiers, FK_ReferenceInitFailed, FK_ReferenceInitOverloadFailed, FK_RValueReferenceBindingToLValue, FK_TooManyInitsForReference, FK_TooManyInitsForScalar, FK_UserConversionOverloadFailed, FK_VariableLengthArrayHasInitializer, FK_WideStringIntoCharArray, NormalSequence, step_begin(), and step_end().
void InitializationSequence::dump | ( | ) | const |
Dump a representation of this initialization sequence to standard error, for debugging purposes.
Definition at line 8289 of file SemaInit.cpp.
bool clang::InitializationSequence::endsWithNarrowing | ( | ASTContext & | Ctx, |
const Expr * | Initializer, | ||
bool * | isInitializerConstant, | ||
APValue * | ConstantValue | ||
) | const |
Returns whether the last step in this initialization sequence is a narrowing conversion, defined by C++0x [dcl.init.list]p7.
If this function returns true, *isInitializerConstant will be set to describe whether *Initializer was a constant expression. If *isInitializerConstant is set to true, *ConstantValue will be set to the evaluated value of *Initializer.
|
inline |
Determine whether the initialization sequence is invalid.
Definition at line 1021 of file Initialization.h.
Referenced by Diagnose(), Perform(), TryClassUnification(), and TryStaticImplicitCast().
|
inline |
Retrieve a reference to the candidate set when overload resolution fails.
Definition at line 1200 of file Initialization.h.
Referenced by TryConstructorInitialization(), TryReferenceInitializationCore(), TryRefInitWithConversionFunction(), and TryUserDefinedConversion().
|
inline |
Get the overloading result, for when the initialization sequence failed due to a bad overload.
Definition at line 1206 of file Initialization.h.
|
inline |
Determine why initialization failed.
Definition at line 1218 of file Initialization.h.
References clang::InitializedEntity::dump().
|
inline |
Determine the kind of initialization sequence computed.
Definition at line 1012 of file Initialization.h.
Referenced by Perform().
void InitializationSequence::InitializeFrom | ( | Sema & | S, |
const InitializedEntity & | Entity, | ||
const InitializationKind & | Kind, | ||
MultiExprArg | Args, | ||
bool | TopLevelOfInitList, | ||
bool | TreatUnavailableAsInvalid | ||
) |
Definition at line 5242 of file SemaInit.cpp.
References clang::Sema::Context.
Referenced by InitializationSequence(), and TryListInitialization().
bool InitializationSequence::isAmbiguous | ( | ) | const |
Determine whether this initialization failed due to an ambiguity.
Definition at line 3175 of file SemaInit.cpp.
References clang::OR_Ambiguous.
Referenced by TryClassUnification().
bool InitializationSequence::isConstructorInitialization | ( | ) | const |
Determine whether this initialization is direct call to a constructor.
Definition at line 3223 of file SemaInit.cpp.
References AddAddressOverloadResolutionStep().
Referenced by TryStaticImplicitCast().
bool InitializationSequence::isDirectReferenceBinding | ( | ) | const |
Determine whether this initialization is a direct reference binding (C++ [dcl.init.ref]).
Definition at line 3164 of file SemaInit.cpp.
Referenced by TryClassUnification().
|
inlineexplicit |
Determine whether the initialization sequence is valid.
Definition at line 1018 of file Initialization.h.
ExprResult InitializationSequence::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.
S | the semantic analysis object. |
Entity | the entity being initialized. |
Kind | the kind of initialization being performed. |
Args | the argument(s) provided for initialization, ownership of which is transferred into the routine. |
ResultType | if non-NULL, will be set to the type of the initialized object, which is the type of the declaration in most cases. However, when the initialized object is a variable of incomplete array type and the initializer is an initializer list, this type will be set to the completed array type. |
Definition at line 6555 of file SemaInit.cpp.
References clang::Sema::ActOnParenListExpr(), clang::Sema::BuildCXXConstructExpr(), clang::Sema::BuildCXXMemberCallExpr(), clang::Sema::CCK_CStyleCast, clang::Sema::CCK_FunctionalCast, clang::Sema::CCK_ImplicitConversion, clang::Sema::CCK_OtherCast, clang::Sema::checkAddressOfFunctionIsAvailable(), clang::Sema::CheckAddressOfMemberAccess(), clang::Sema::CheckConstructorAccess(), clang::Sema::CheckDerivedToBaseConversion(), clang::Sema::CheckDestructorAccess(), clang::Sema::CheckExceptionSpecCompatibility(), CheckForNullPointerDereference(), clang::Sema::CheckMemberOperatorAccess(), clang::CXXConstructExpr::CK_Complete, clang::Expr::ClassifyLValue(), clang::Sema::Cleanup, clang::Sema::CompleteConstructorCall(), clang::Sema::Context, CopyObject(), clang::ImplicitCastExpr::Create(), clang::FixItHint::CreateInsertion(), clang::Sema::CreateMaterializeTemporaryExpr(), DependentSequence, clang::Sema::Diag(), Diagnose(), DiagnoseNarrowingInInitList(), clang::Sema::DiagnoseUseOfDecl(), clang::Sema::DiscardMisalignedMemberAddress(), clang::InitializedEntity::EK_Base, clang::InitializedEntity::EK_Delegating, clang::InitializedEntity::EK_Variable, clang::ExprError(), Failed(), clang::Sema::FixOverloadedFunctionReference(), clang::InitializationSequence::Step::F::FoundDecl, clang::InitializationSequence::Step::F::Function, clang::InitializationSequence::Step::Function, clang::ActionResult< PtrTy, CompressInvalid >::get(), clang::Qualifiers::getAddressSpace(), clang::TypeLoc::getAs(), clang::ActionResult< PtrTy, CompressInvalid >::getAs(), clang::Type::getAs(), clang::ASTContext::getAsIncompleteArrayType(), getAssignmentAction(), clang::SourceRange::getBegin(), clang::InitializedEntity::getDecl(), clang::ASTContext::getDependentSizedArrayType(), clang::SourceRange::getEnd(), getEntityForTemporaryLifetimeExtension(), clang::InitializedEntity::getKind(), clang::InitializationKind::getKind(), getKind(), clang::Sema::getLangOpts(), clang::InitializationKind::getLocation(), clang::Stmt::getLocStart(), clang::Decl::getLocStart(), clang::ASTContext::getLValueReferenceType(), clang::QualType::getNonReferenceType(), clang::InitializationKind::getParenRange(), clang::QualType::getQualifiers(), clang::ASTContext::getRValueReferenceType(), clang::Stmt::getSourceRange(), clang::MaterializeTemporaryExpr::getStorageDuration(), clang::Expr::getType(), clang::InitializedEntity::getType(), clang::ValueDecl::getType(), clang::QualType::getTypePtr(), clang::InitializationSequence::Step::F::HadMultipleCandidates, clang::Qualifiers::hasAddressSpace(), clang::ASTContext::hasSameType(), clang::InitializationSequence::Step::ICS, clang::InitializationKind::IK_Copy, clang::InitializationKind::IK_Direct, clang::InitializationKind::IK_DirectList, clang::Sema::ImpCastExprToType(), InitializedEntityOutlivesFullExpression(), clang::InitializedEntity::InitializeTemporary(), clang::EnterExpressionEvaluationContext::InitList, clang::Type::isAtomicType(), clang::InitializationKind::isCStyleCast(), clang::InitializationKind::isCStyleOrFunctionalCast(), clang::Type::isDependentType(), clang::QualType::isDestructedType(), clang::InitializationKind::isExplicitCast(), clang::InitializationKind::isFunctionalCast(), clang::Type::isIncompleteArrayType(), clang::ActionResult< PtrTy, CompressInvalid >::isInvalid(), clang::Type::isLValueReferenceType(), clang::InitializedEntity::isParameterKind(), clang::Type::isPointerType(), clang::Type::isReferenceType(), clang::ReferenceType::isSpelledAsLValue(), clang::InitializationSequence::Step::Kind, clang::Sema::LookupDestructor(), clang::Expr::LV_ArrayTemporary, clang::Expr::LV_ClassTemporary, clang::Sema::MarkFunctionReferenced(), clang::Sema::MaybeBindToTemporary(), clang::opencl_global, clang::Sema::PDiag(), PerformConstructorInitialization(), clang::Sema::PerformImplicitConversion(), clang::Sema::PerformObjectArgumentInitialization(), performReferenceExtension(), clang::Sema::RequireNonAbstractType(), clang::SD_Automatic, clang::CleanupInfo::setExprNeedsCleanups(), shouldBindAsTemporary(), shouldDestroyEntity(), SK_ArrayInit, SK_ArrayLoopIndex, SK_ArrayLoopInit, SK_AtomicConversion, SK_BindReference, SK_BindReferenceToTemporary, SK_CAssignment, SK_CastDerivedToBaseLValue, SK_CastDerivedToBaseRValue, SK_CastDerivedToBaseXValue, SK_ConstructorInitialization, SK_ConstructorInitializationFromList, SK_ConversionSequence, SK_ConversionSequenceNoNarrowing, SK_ExtraneousCopyToTemporary, SK_FinalCopy, SK_GNUArrayInit, SK_ListInitialization, SK_LValueToRValue, SK_ObjCObjectConversion, SK_OCLSamplerInit, SK_OCLZeroEvent, SK_OCLZeroQueue, SK_ParenthesizedArrayInit, SK_PassByIndirectCopyRestore, SK_PassByIndirectRestore, SK_ProduceObjCObject, SK_QualificationConversionLValue, SK_QualificationConversionRValue, SK_QualificationConversionXValue, SK_ResolveAddressOfOverloadedFunction, SK_RewrapInitList, SK_StdInitializerList, SK_StdInitializerListConstructorCall, SK_StringInit, SK_UnwrapInitList, SK_UserConversion, SK_ZeroInitialization, Step, step_begin(), step_end(), clang::T, clang::InitializationSequence::Step::Type, clang::VK_LValue, clang::VK_RValue, clang::VK_XValue, and warnOnLifetimeExtension().
Referenced by clang::Sema::BuildCXXTypeConstructExpr(), BuildImplicitMemberInitializer(), captureThis(), ConvertForConditional(), and TryStaticImplicitCast().
void InitializationSequence::RewrapReferenceInitList | ( | QualType | T, |
InitListExpr * | Syntactic | ||
) |
Add steps to unwrap a initializer list for a reference around a single element and rewrap it at the end.
Definition at line 3453 of file SemaInit.cpp.
References clang::InitListExpr::getNumInits().
Referenced by TryConstructorInitialization(), TryListInitialization(), and TryReferenceListInitialization().
|
inline |
Note that this initialization sequence failed.
Definition at line 1187 of file Initialization.h.
References clang::QualType::isNull(), and clang::Result.
Referenced by ResolveOverloadedFunctionForReferenceBinding(), TryConstructorInitialization(), TryDefaultInitialization(), TryListInitialization(), TryReferenceInitializationCore(), TryReferenceListInitialization(), and TryValueInitialization().
|
inline |
Note that this initialization sequence failed due to an incomplete type.
Definition at line 1212 of file Initialization.h.
Referenced by TryConstructorInitialization(), and TryListInitialization().
void InitializationSequence::SetOverloadFailure | ( | FailureKind | Failure, |
OverloadingResult | Result | ||
) |
Note that this initialization sequence failed due to failed overload resolution.
Definition at line 3468 of file SemaInit.cpp.
References clang::Result.
Referenced by TryConstructorInitialization(), and TryReferenceInitializationCore().
|
inline |
Set the kind of sequence computed.
Definition at line 1015 of file Initialization.h.
|
inline |
Call for initializations are invalid but that would be valid zero initialzations if Fixit was applied.
Definition at line 932 of file Initialization.h.
Referenced by maybeRecoverWithZeroInitialization().
|
inline |
Definition at line 1024 of file Initialization.h.
Referenced by dump(), Perform(), and TryReferenceListInitialization().
|
inline |
Definition at line 1025 of file Initialization.h.
Referenced by dump(), Perform(), and TryReferenceListInitialization().
|
inline |
Definition at line 1028 of file Initialization.h.