clang
3.7.0
|
Describes the sequence of initializations required to initialize a given object or reference with a set of arguments. More...
#include <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) | |
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) |
~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 |
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 | 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 (CXXConstructorDecl *Constructor, AccessSpecifier Access, 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 | AddArrayInitStep (QualType T) |
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 | 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 620 of file Initialization.h.
typedef SmallVectorImpl<Step>::const_iterator clang::InitializationSequence::step_iterator |
Definition at line 944 of file Initialization.h.
Describes why initialization failed.
Definition at line 766 of file Initialization.h.
Describes the kind of initialization sequence computed.
Definition at line 623 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_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_ArrayInit |
Array initialization (from an array rvalue). This is a GNU C 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_OCLZeroEvent |
Passing zero to a function where OpenCL event_t is expected. |
Definition at line 639 of file Initialization.h.
InitializationSequence::InitializationSequence | ( | Sema & | S, |
const InitializedEntity & | Entity, | ||
const InitializationKind & | Kind, | ||
MultiExprArg | Args, | ||
bool | TopLevelOfInitList = false |
||
) |
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. |
Definition at line 4792 of file SemaInit.cpp.
References InitializeFrom().
InitializationSequence::~InitializationSequence | ( | ) |
Definition at line 5088 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 3029 of file SemaInit.cpp.
References clang::InitializationSequence::Step::F::FoundDecl, clang::InitializationSequence::Step::F::Function, clang::InitializationSequence::Step::Function, clang::ValueDecl::getType(), clang::InitializationSequence::Step::F::HadMultipleCandidates, clang::InitializationSequence::Step::Kind, S, SK_ResolveAddressOfOverloadedFunction, and clang::InitializationSequence::Step::Type.
Referenced by ResolveOverloadedFunctionForReferenceBinding().
void InitializationSequence::AddArrayInitStep | ( | QualType | T | ) |
Add an array initialization step.
Definition at line 3181 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_ArrayInit, and clang::InitializationSequence::Step::Type.
Referenced by InitializeFrom().
void InitializationSequence::AddAtomicConversionStep | ( | QualType | Ty | ) |
Add a new step that performs conversion from non-atomic to atomic type.
Definition at line 3101 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_AtomicConversion, and clang::InitializationSequence::Step::Type.
Referenced by InitializeFrom().
void InitializationSequence::AddCAssignmentStep | ( | QualType | T | ) |
Add a C assignment step.
Definition at line 3160 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_CAssignment, and clang::InitializationSequence::Step::Type.
Referenced by InitializeFrom().
void InitializationSequence::AddConstructorInitializationStep | ( | CXXConstructorDecl * | Constructor, |
AccessSpecifier | Access, | ||
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 3137 of file SemaInit.cpp.
References clang::InitializationSequence::Step::F::FoundDecl, clang::InitializationSequence::Step::F::Function, clang::InitializationSequence::Step::Function, clang::InitializationSequence::Step::F::HadMultipleCandidates, clang::InitializationSequence::Step::Kind, clang::DeclAccessPair::make(), S, SK_ConstructorInitialization, SK_ConstructorInitializationFromList, SK_StdInitializerListConstructorCall, and clang::InitializationSequence::Step::Type.
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 3117 of file SemaInit.cpp.
References clang::InitializationSequence::Step::ICS, clang::InitializationSequence::Step::Kind, S, SK_ConversionSequence, SK_ConversionSequenceNoNarrowing, and clang::InitializationSequence::Step::Type.
Referenced by InitializeFrom(), tryObjCWritebackConversion(), TryReferenceInitializationCore(), TryRefInitWithConversionFunction(), and TryUserDefinedConversion().
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 3041 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_CastDerivedToBaseLValue, SK_CastDerivedToBaseRValue, SK_CastDerivedToBaseXValue, clang::InitializationSequence::Step::Type, clang::VK_LValue, clang::VK_RValue, and clang::VK_XValue.
Referenced by TryReferenceInitializationCore(), and TryRefInitWithConversionFunction().
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 3061 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_ExtraneousCopyToTemporary, and clang::InitializationSequence::Step::Type.
Referenced by TryReferenceInitializationCore().
void InitializationSequence::AddListInitializationStep | ( | QualType | T | ) |
Add a list-initialization step.
Definition at line 3128 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_ListInitialization, and clang::InitializationSequence::Step::Type.
Referenced by TryListInitialization().
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 3108 of file SemaInit.cpp.
References clang::QualType::hasQualifiers(), S, and SK_LValueToRValue.
Referenced by convertQualifiersAndValueKindIfNecessary().
void InitializationSequence::AddObjCObjectConversionStep | ( | QualType | T | ) |
Add an Objective-C object conversion step, which is always a no-op.
Definition at line 3174 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_ObjCObjectConversion, and clang::InitializationSequence::Step::Type.
Referenced by TryReferenceInitializationCore(), and TryRefInitWithConversionFunction().
void InitializationSequence::AddOCLSamplerInitStep | ( | QualType | T | ) |
Add a step to initialize an OpenCL sampler from an integer constant.
Definition at line 3218 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_OCLSamplerInit, and clang::InitializationSequence::Step::Type.
Referenced by TryOCLSamplerInitialization().
void InitializationSequence::AddOCLZeroEventStep | ( | QualType | T | ) |
Add a step to initialize an OpenCL event_t from a NULL constant.
Definition at line 3225 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_OCLZeroEvent, and clang::InitializationSequence::Step::Type.
Referenced by TryOCLZeroEventInitialization().
void InitializationSequence::AddParenthesizedArrayInitStep | ( | QualType | T | ) |
Add a parenthesized array initialization step.
Definition at line 3188 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_ParenthesizedArrayInit, and clang::InitializationSequence::Step::Type.
Referenced by InitializeFrom().
Add a step to pass an object by indirect copy-restore.
Definition at line 3195 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, SK_PassByIndirectCopyRestore, SK_PassByIndirectRestore, clang::InitializationSequence::Step::Type, and clang::ast_matchers::type.
Referenced by InitializeFrom(), and tryObjCWritebackConversion().
void InitializationSequence::AddProduceObjCObjectStep | ( | QualType | T | ) |
Add a step to "produce" an Objective-C object (by retaining it).
Definition at line 3204 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_ProduceObjCObject, and clang::InitializationSequence::Step::Type.
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 3082 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_QualificationConversionLValue, SK_QualificationConversionRValue, SK_QualificationConversionXValue, clang::InitializationSequence::Step::Type, clang::VK_LValue, clang::VK_RValue, and clang::VK_XValue.
Referenced by convertQualifiersAndValueKindIfNecessary(), and TryRefInitWithConversionFunction().
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 3053 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_BindReference, SK_BindReferenceToTemporary, and clang::InitializationSequence::Step::Type.
Referenced by TryReferenceInitializationCore(), TryReferenceListInitialization(), and TryRefInitWithConversionFunction().
void InitializationSequence::AddStdInitializerListConstructionStep | ( | QualType | T | ) |
Add a step to construct a std::initializer_list object from an initializer list.
Definition at line 3211 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_StdInitializerList, and clang::InitializationSequence::Step::Type.
Referenced by TryInitializerListConstruction().
void InitializationSequence::AddStringInitStep | ( | QualType | T | ) |
Add a string init step.
Definition at line 3167 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_StringInit, and clang::InitializationSequence::Step::Type.
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 3069 of file SemaInit.cpp.
References clang::InitializationSequence::Step::F::FoundDecl, clang::InitializationSequence::Step::F::Function, clang::InitializationSequence::Step::Function, clang::InitializationSequence::Step::F::HadMultipleCandidates, clang::InitializationSequence::Step::Kind, S, SK_UserConversion, and clang::InitializationSequence::Step::Type.
Referenced by TryRefInitWithConversionFunction(), and TryUserDefinedConversion().
void InitializationSequence::AddZeroInitializationStep | ( | QualType | T | ) |
Add a zero-initialization step.
Definition at line 3153 of file SemaInit.cpp.
References clang::InitializationSequence::Step::Kind, S, SK_ZeroInitialization, and clang::InitializationSequence::Step::Type.
Referenced by InitializeFrom(), 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 6854 of file SemaInit.cpp.
References clang::OverloadCandidateSet::BestViableFunction(), clang::Sema::Context, clang::Sema::CurContext, clang::Sema::Diag(), diagnoseListInit(), DiagnoseUninitializedReference(), clang::InitializedEntity::EK_Base, clang::InitializedEntity::EK_Member, emitBadConversionNotes(), Failed(), FK_AddressOfOverloadFailed, 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_NonConstLValueReferenceBindingToTemporary, FK_NonConstLValueReferenceBindingToUnrelated, 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::CXXConstructorDecl::getInheritedConstructor(), clang::InitializedEntity::getKind(), clang::InitializationKind::getKind(), clang::Decl::getLocation(), clang::InitializationKind::getLocation(), clang::Sema::getLocForEndOfToken(), clang::InitializedEntity::getName(), clang::QualType::getNonReferenceType(), clang::CXXMethodDecl::getParent(), clang::QualType::getQualifiers(), 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 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 7230 of file SemaInit.cpp.
References DependentSequence, FailedSequence, FK_AddressOfOverloadFailed, 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_NonConstLValueReferenceBindingToTemporary, FK_NonConstLValueReferenceBindingToUnrelated, FK_PlaceholderType, FK_ReferenceBindingToInitList, FK_ReferenceInitDropsQualifiers, FK_ReferenceInitFailed, FK_ReferenceInitOverloadFailed, FK_RValueReferenceBindingToLValue, FK_TooManyInitsForReference, FK_TooManyInitsForScalar, FK_UserConversionOverloadFailed, FK_VariableLengthArrayHasInitializer, FK_WideStringIntoCharArray, NormalSequence, S, SK_ArrayInit, 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_ListInitialization, SK_LValueToRValue, SK_ObjCObjectConversion, SK_OCLSamplerInit, SK_OCLZeroEvent, 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_begin(), and step_end().
void InitializationSequence::dump | ( | ) | const |
Dump a representation of this initialization sequence to standard error, for debugging purposes.
Definition at line 7517 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 942 of file Initialization.h.
References FailedSequence.
Referenced by clang::Sema::AddInitializerToDecl(), Diagnose(), evaluateTypeTrait(), getFailureKind(), InitializeFrom(), isAmbiguous(), operator bool(), Perform(), TryClassUnification(), tryDiagnoseOverloadedCast(), and TryStaticImplicitCast().
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inline |
Retrieve a reference to the candidate set when overload resolution fails.
Definition at line 1108 of file Initialization.h.
Referenced by TryConstructorInitialization(), tryDiagnoseOverloadedCast(), TryReferenceInitializationCore(), TryRefInitWithConversionFunction(), and TryUserDefinedConversion().
|
inline |
Get the overloading result, for when the initialization sequence failed due to a bad overload.
Definition at line 1114 of file Initialization.h.
Referenced by tryDiagnoseOverloadedCast().
|
inline |
Determine why initialization failed.
Definition at line 1126 of file Initialization.h.
References Failed().
Referenced by isAmbiguous(), and tryDiagnoseOverloadedCast().
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inline |
Determine the kind of initialization sequence computed.
Definition at line 933 of file Initialization.h.
Referenced by Perform().
void InitializationSequence::InitializeFrom | ( | Sema & | S, |
const InitializedEntity & | Entity, | ||
const InitializationKind & | Kind, | ||
MultiExprArg | Args, | ||
bool | TopLevelOfInitList | ||
) |
Definition at line 4801 of file SemaInit.cpp.
References AddArrayInitStep(), AddAtomicConversionStep(), AddCAssignmentStep(), AddConversionSequenceStep(), AddParenthesizedArrayInitStep(), AddPassByIndirectCopyRestoreStep(), AddZeroInitializationStep(), clang::Sema::CheckObjCBridgeRelatedConversions(), clang::Sema::CheckPlaceholderExpr(), clang::Sema::Context, Context, clang::Sema::ConversionToObjCStringLiteralCheck(), DependentSequence, clang::InitializedEntity::EK_Member, Failed(), clang::StandardConversionSequence::First, FK_AddressOfOverloadFailed, FK_ArrayNeedsInitList, FK_ArrayNeedsInitListOrStringLiteral, FK_ArrayNeedsInitListOrWideStringLiteral, FK_ArrayTypeMismatch, FK_ConversionFailed, FK_IncompatWideStringIntoWideChar, FK_NarrowStringIntoWideCharArray, FK_NonConstantArrayInit, FK_PlaceholderType, FK_TooManyInitsForReference, FK_TooManyInitsForScalar, FK_VariableLengthArrayHasInitializer, FK_WideStringIntoCharArray, clang::ActionResult< PtrTy, CompressInvalid >::get(), clang::Type::getAs(), clang::ASTContext::getAsArrayType(), clang::InitializedEntity::getDecl(), clang::InitializedEntity::getKind(), clang::InitializationKind::getKind(), clang::Sema::getLangOpts(), clang::StandardConversionSequence::getToType(), clang::Expr::getType(), clang::InitializedEntity::getType(), clang::Expr::hasAnyTypeDependentArguments(), hasCompatibleArrayTypes(), clang::ASTContext::hasSameUnqualifiedType(), clang::Expr::HasSideEffects(), clang::ICK_Array_To_Pointer, clang::ICK_Lvalue_To_Rvalue, clang::ICK_Writeback_Conversion, clang::Expr::IgnoreParens(), clang::InitializationKind::IK_Copy, clang::InitializationKind::IK_Default, clang::InitializationKind::IK_Direct, clang::InitializationKind::IK_Value, clang::Type::isArrayType(), clang::ImplicitConversionSequence::isBad(), clang::InitializationKind::isCStyleOrFunctionalCast(), clang::Type::isDependentType(), clang::Sema::IsDerivedFrom(), clang::ActionResult< PtrTy, CompressInvalid >::isInvalid(), isLibstdcxxPointerReturnFalseHack(), clang::QualType::isNull(), clang::InitializedEntity::isParameterKind(), clang::Type::isRecordType(), clang::Type::isReferenceType(), clang::ImplicitConversionSequence::isStandard(), IsStringInit(), IsWideCharCompatible(), MaybeProduceObjCObject(), NormalSequence, clang::Decl::OBJC_TQ_Out, clang::ASTContext::OverloadTy, clang::Sema::ResolveAddressOfOverloadedFunction(), clang::StandardConversionSequence::Second, clang::StandardConversionSequence::setAllToTypes(), clang::StandardConversionSequence::setAsIdentityConversion(), SetFailed(), setSequenceKind(), clang::ImplicitConversionSequence::setStandard(), SIF_IncompatWideStringIntoWideChar, SIF_NarrowStringIntoWideChar, SIF_None, SIF_Other, SIF_WideStringIntoChar, clang::ImplicitConversionSequence::Standard, TryConstructorInitialization(), TryDefaultInitialization(), clang::Sema::TryImplicitConversion(), TryListInitialization(), tryObjCWritebackConversion(), TryOCLSamplerInitialization(), TryOCLZeroEventInitialization(), TryReferenceInitialization(), TryStringLiteralInitialization(), TryUserDefinedConversion(), and TryValueInitialization().
Referenced by InitializationSequence(), and TryListInitialization().
bool InitializationSequence::isAmbiguous | ( | ) | const |
Determine whether this initialization failed due to an ambiguity.
Definition at line 2980 of file SemaInit.cpp.
References Failed(), FK_AddressOfOverloadFailed, 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_NonConstLValueReferenceBindingToTemporary, FK_NonConstLValueReferenceBindingToUnrelated, FK_PlaceholderType, FK_ReferenceBindingToInitList, FK_ReferenceInitDropsQualifiers, FK_ReferenceInitFailed, FK_ReferenceInitOverloadFailed, FK_RValueReferenceBindingToLValue, FK_TooManyInitsForReference, FK_TooManyInitsForScalar, FK_UserConversionOverloadFailed, FK_VariableLengthArrayHasInitializer, FK_WideStringIntoCharArray, getFailureKind(), and clang::OR_Ambiguous.
Referenced by TryClassUnification().
bool InitializationSequence::isConstructorInitialization | ( | ) | const |
Determine whether this initialization is direct call to a constructor.
Definition at line 3023 of file SemaInit.cpp.
References SK_ConstructorInitialization.
Referenced by TryStaticImplicitCast().
bool InitializationSequence::isDirectReferenceBinding | ( | ) | const |
Determine whether this initialization is a direct reference binding (C++ [dcl.init.ref]).
Definition at line 2976 of file SemaInit.cpp.
References SK_BindReference.
Referenced by TryClassUnification().
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Determine whether the initialization sequence is valid.
Definition at line 939 of file Initialization.h.
References Failed().
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 6024 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::CheckAddressOfMemberAccess(), clang::Sema::CheckConstructorAccess(), clang::Sema::CheckDerivedToBaseConversion(), clang::Sema::CheckDestructorAccess(), clang::Sema::CheckExceptionSpecCompatibility(), checkIndirectCopyRestoreSource(), clang::Sema::CheckMemberOperatorAccess(), CheckMoveOnConstruction(), clang::Sema::CheckSingleAssignmentConstraints(), CheckStringInit(), clang::Sema::CheckTransparentUnionArgumentConstraints(), clang::CK_ARCProduceObject, clang::CXXConstructExpr::CK_Complete, clang::CK_ConstructorConversion, clang::CK_DerivedToBase, clang::CK_LValueToRValue, clang::CK_NonAtomicToAtomic, clang::CK_NoOp, clang::CK_ObjCObjectLValueCast, clang::CK_UserDefinedConversion, clang::CK_ZeroToOCLEvent, clang::Expr::ClassifyLValue(), clang::Sema::Compatible, clang::Sema::CompleteConstructorCall(), clang::Sema::Context, CopyObject(), clang::ImplicitCastExpr::Create(), clang::FixItHint::CreateInsertion(), DependentSequence, clang::Sema::Diag(), Diagnose(), clang::Sema::DiagnoseAssignmentResult(), DiagnoseNarrowingInInitList(), clang::Sema::DiagnoseUseOfDecl(), clang::InitializedEntity::EK_Member, clang::InitializedEntity::EK_Parameter_CF_Audited, clang::InitializedEntity::EK_Result, clang::InitializedEntity::EK_Variable, clang::ExprError(), clang::Sema::ExprNeedsCleanups, Failed(), clang::Sema::FixOverloadedFunctionReference(), clang::InitializationSequence::Step::F::FoundDecl, clang::InitializationSequence::Step::F::Function, clang::InitializationSequence::Step::Function, clang::ActionResult< PtrTy, CompressInvalid >::get(), clang::DeclAccessPair::getAccess(), clang::TypeLoc::getAs(), clang::ActionResult< PtrTy, CompressInvalid >::getAs(), clang::Type::getAs(), clang::ASTContext::getAsArrayType(), clang::ASTContext::getAsConstantArrayType(), clang::ASTContext::getAsIncompleteArrayType(), getAssignmentAction(), clang::SourceRange::getBegin(), clang::ASTContext::getConstantArrayType(), clang::InitializedEntity::getDecl(), clang::NamedDecl::getDeclName(), clang::ASTContext::getDependentSizedArrayType(), clang::SourceRange::getEnd(), getEntityForTemporaryLifetimeExtension(), clang::InitializedEntity::getKind(), clang::InitializationKind::getKind(), getKind(), clang::Sema::getLangOpts(), clang::InitListExpr::getLBraceLoc(), clang::Decl::getLocation(), clang::InitializationKind::getLocation(), clang::ASTContext::getLValueReferenceType(), clang::QualType::getNonLValueExprType(), clang::QualType::getNonReferenceType(), clang::InitializationKind::getParenRange(), clang::InitializationKind::getRange(), clang::InitListExpr::getRBraceLoc(), clang::ASTContext::getRValueReferenceType(), clang::Expr::getSourceBitField(), clang::MaterializeTemporaryExpr::getStorageDuration(), clang::ASTContext::getTrivialTypeSourceInfo(), clang::TypeSourceInfo::getType(), clang::Expr::getType(), clang::InitializedEntity::getType(), clang::ValueDecl::getType(), clang::ASTContext::getTypeDeclType(), clang::InitializedEntity::getTypeSourceInfo(), clang::Expr::getValueKind(), clang::InitializationSequence::Step::F::HadMultipleCandidates, clang::ASTContext::hasSameType(), clang::ASTContext::hasSameUnqualifiedType(), clang::InitializationSequence::Step::ICS, clang::InitializationKind::IK_Copy, clang::InitializationKind::IK_Direct, clang::InitializationKind::IK_DirectList, clang::InitializationKind::IK_Value, clang::Sema::ImpCastExprToType(), InitializedEntityOutlivesFullExpression(), clang::InitializedEntity::InitializeTemporary(), clang::InitializationKind::isCStyleCast(), clang::InitializationKind::isCStyleOrFunctionalCast(), clang::Type::isDependentType(), clang::Sema::IsDerivedFrom(), clang::QualType::isDestructedType(), clang::Type::isEventT(), clang::InitializationKind::isExplicitCast(), clang::InitializationKind::isFunctionalCast(), clang::Expr::isGLValue(), clang::InitializationKind::isImplicitValueInit(), clang::Type::isIncompleteArrayType(), clang::ActionResult< PtrTy, CompressInvalid >::isInvalid(), clang::Type::isLValueReferenceType(), clang::Type::isObjCLifetimeType(), clang::InitializedEntity::isParameterKind(), clang::Type::isPointerType(), isReferenceBinding(), clang::Type::isReferenceType(), clang::Expr::isRValue(), clang::Type::isSamplerT(), clang::ReferenceType::isSpelledAsLValue(), clang::Expr::isValueDependent(), clang::QualType::isVolatileQualified(), clang::InitializationSequence::Step::Kind, clang::Sema::LookupDestructor(), clang::Expr::LV_ArrayTemporary, clang::Expr::LV_ClassTemporary, clang::Sema::MarkFunctionReferenced(), clang::Sema::MaybeBindToTemporary(), clang::ArrayType::Normal, clang::Sema::PDiag(), PerformConstructorInitialization(), clang::Sema::PerformImplicitConversion(), clang::Sema::PerformObjectArgumentInitialization(), performReferenceExtension(), clang::Expr::refersToBitField(), clang::Expr::refersToVectorElement(), clang::Result, S, clang::SD_Automatic, clang::InitListExpr::setSyntacticForm(), clang::Expr::setType(), clang::Expr::setValueKind(), shouldBindAsTemporary(), shouldDestroyTemporary(), SK_ArrayInit, 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_ListInitialization, SK_LValueToRValue, SK_ObjCObjectConversion, SK_OCLSamplerInit, SK_OCLZeroEvent, 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::InitializationSequence::Step::Type, clang::VK_LValue, clang::VK_RValue, clang::VK_XValue, warnOnLifetimeExtension(), and clang::InitializationSequence::Step::WrappingSyntacticList.
Referenced by clang::Sema::ActOnOpenMPFirstprivateClause(), clang::Sema::AddInitializerToDecl(), clang::Sema::BuildCompoundLiteralExpr(), clang::Sema::BuildCXXNew(), clang::Sema::BuildCXXTypeConstructExpr(), clang::Sema::BuildExceptionDeclaration(), BuildImplicitMemberInitializer(), ConvertForConditional(), evaluateTypeTrait(), clang::Sema::FindCompositePointerType(), clang::Sema::performLambdaInitCaptureInitialization(), performLambdaVarCaptureInitialization(), 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 3232 of file SemaInit.cpp.
References clang::InitListExpr::getInit(), clang::InitListExpr::getNumInits(), clang::Expr::getType(), S, SK_RewrapInitList, and SK_UnwrapInitList.
Referenced by TryListInitialization(), and TryReferenceListInitialization().
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inline |
Note that this initialization sequence failed.
Definition at line 1095 of file Initialization.h.
References FailedSequence, FK_Incomplete, and clang::QualType::isNull().
Referenced by InitializeFrom(), ResolveOverloadedFunctionForReferenceBinding(), setIncompleteTypeFailure(), TryConstructorInitialization(), TryDefaultInitialization(), TryListInitialization(), TryReferenceInitializationCore(), TryReferenceListInitialization(), and TryValueInitialization().
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inline |
Note that this initialization sequence failed due to an incomplete type.
Definition at line 1120 of file Initialization.h.
References FK_Incomplete, and SetFailed().
Referenced by TryConstructorInitialization(), TryInitializerListConstruction(), and TryListInitialization().
void InitializationSequence::SetOverloadFailure | ( | FailureKind | Failure, |
OverloadingResult | Result | ||
) |
Note that this initialization sequence failed due to failed overload resolution.
Definition at line 3247 of file SemaInit.cpp.
References FailedSequence, clang::Result, and setSequenceKind().
Referenced by TryConstructorInitialization(), TryReferenceInitializationCore(), and TryUserDefinedConversion().
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inline |
Set the kind of sequence computed.
Definition at line 936 of file Initialization.h.
Referenced by InitializeFrom(), and SetOverloadFailure().
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inline |
Call for initializations are invalid but that would be valid zero initialzations if Fixit was applied.
Definition at line 856 of file Initialization.h.
Referenced by maybeRecoverWithZeroInitialization().
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inline |
Definition at line 945 of file Initialization.h.
Referenced by dump(), Perform(), and TryReferenceListInitialization().
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inline |
Definition at line 946 of file Initialization.h.
Referenced by dump(), Perform(), and TryReferenceListInitialization().