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clang: lib/AST/TemplateBase.cpp Source File

30#include "llvm/ADT/APSInt.h" 31#include "llvm/ADT/FoldingSet.h" 32#include "llvm/ADT/StringExtras.h" 33#include "llvm/Support/Compiler.h" 34#include "llvm/Support/ErrorHandling.h" 35#include "llvm/Support/raw_ostream.h" 42using namespace clang

;

66 if

(llvm::APSInt::isSameValue(ECD->getInitVal(), Val)) {

67

ECD->printQualifiedName(Out, Policy);

79

Out << (Val.getBoolValue() ?

"true"

:

"false"

);

85

Out <<

"(signed char)"

;

87

Out <<

"(unsigned char)"

;

94

Kind = CharacterLiteralKind::Wide;

96

Kind = CharacterLiteralKind::UTF8;

98

Kind = CharacterLiteralKind::UTF16;

100

Kind = CharacterLiteralKind::UTF32;

102

Kind = CharacterLiteralKind::Ascii;

104

}

else if

(IncludeType) {

106 switch

(BT->getKind()) {

107 case

BuiltinType::ULongLong:

108

Out << Val <<

"ULL"

;

110 case

BuiltinType::LongLong:

113 case

BuiltinType::ULong:

116 case

BuiltinType::Long:

119 case

BuiltinType::UInt:

122 case

BuiltinType::Int:

139 while

(

const auto

*

arrayType

=

type

->getAsArrayTypeUnsafe()) {

161void

TemplateArgument::initFromType(

QualType T

,

bool

IsNullPtr,

170

assert(

D

&&

"Expected decl"

);

172 DeclArg

.IsDefaulted = IsDefaulted;

177void

TemplateArgument::initFromIntegral(

const ASTContext

&Ctx,

178 const

llvm::APSInt &

Value

,

181 Integer

.IsDefaulted = IsDefaulted;

186 unsigned

NumWords =

Value

.getNumWords();

188 void

*Mem = Ctx.

Allocate

(NumWords *

sizeof

(uint64_t));

189

std::memcpy(Mem,

Value

.getRawData(), NumWords *

sizeof

(uint64_t));

199 const APValue

&

V

,

bool

IsDefaulted) {

201 Value

.IsDefaulted = IsDefaulted;

210

initFromIntegral(Ctx,

Value

,

Type

, IsDefaulted);

216 if

(

V

.isMemberPointer() &&

V

.getMemberPointerPath().empty())

217 return V

.getMemberPointerDecl();

221 if

(

V

.isStruct() ||

V

.isUnion()) {

231 if

(

V

.isLValue() &&

V

.hasLValuePath() &&

V

.getLValuePath().empty() &&

232

!

V

.isLValueOnePastTheEnd())

233 return V

.getLValueBase().dyn_cast<

const ValueDecl

*>();

240 const APValue

&

V

,

bool

IsDefaulted) {

242

initFromIntegral(Ctx,

V

.getInt(),

Type

, IsDefaulted);

243 else if

((

V

.isLValue() &&

V

.isNullPointer()) ||

244

(

V

.isMemberPointer() && !

V

.getMemberPointerDecl()))

245

initFromType(

Type

,

true

, IsDefaulted);

248

initFromDeclaration(

const_cast<ValueDecl

*

>

(VD),

Type

, IsDefaulted);

250

initFromStructural(Ctx,

Type

,

V

, IsDefaulted);

263 auto

Deps = TemplateArgumentDependence::None;

266

llvm_unreachable(

"Should not have a NULL template argument"

);

270 if

(isa<PackExpansionType>(

getAsType

()))

271

Deps |= TemplateArgumentDependence::Dependent;

278 return

TemplateArgumentDependence::Dependent |

279

TemplateArgumentDependence::Instantiation;

282 auto

*DC = dyn_cast<DeclContext>(

getAsDecl

());

285 if

(DC->isDependentContext())

286

Deps = TemplateArgumentDependence::Dependent |

287

TemplateArgumentDependence::Instantiation;

294 return

TemplateArgumentDependence::None;

298 if

(isa<PackExpansionExpr>(

getAsExpr

()))

299

Deps |= TemplateArgumentDependence::Dependent |

300

TemplateArgumentDependence::Instantiation;

305

Deps |=

P

.getDependence();

308

llvm_unreachable(

"unhandled ArgKind"

);

312 return getDependence

() & TemplateArgumentDependence::Dependent;

316 return getDependence

() & TemplateArgumentDependence::Instantiation;

334 return

isa<PackExpansionType>(

getAsType

());

337 return

isa<PackExpansionExpr>(

getAsExpr

());

340

llvm_unreachable(

"Invalid TemplateArgument Kind!"

);

344 return getDependence

() & TemplateArgumentDependence::UnexpandedPack;

380

llvm_unreachable(

"Invalid TemplateArgument Kind!"

);

425

ID.AddInteger(

Args

.NumArgs);

426 for

(

unsigned

I = 0; I !=

Args

.NumArgs; ++I)

427 Args

.Args[I].Profile(ID, Context);

456 Other

.getStructuralValueType().getCanonicalType())

459

llvm::FoldingSetNodeID A, B;

461 Other

.getAsStructuralValue().Profile(B);

466 if

(

Args

.NumArgs !=

Other

.Args.NumArgs)

return false

;

467 for

(

unsigned

I = 0,

E

=

Args

.NumArgs; I !=

E

; ++I)

468 if

(!

Args

.Args[I].structurallyEquals(

Other

.Args.Args[I]))

473

llvm_unreachable(

"Invalid TemplateArgument Kind!"

);

484 return

cast<PackExpansionExpr>(

getAsExpr

())->getPattern();

499

llvm_unreachable(

"Invalid TemplateArgument Kind!"

);

503 bool

IncludeType)

const

{

507

Out <<

"(no value)"

;

520 if

(

auto

*TPO = dyn_cast<TemplateParamObjectDecl>(VD)) {

521

TPO->getType().getUnqualifiedType().print(Out, Policy);

522

TPO->printAsInit(Out, Policy);

568 P

.print(Policy, Out, IncludeType);

580 switch

(Argument.

getKind

()) {

592 return

TSI->getTypeLoc().getSourceRange();

619

llvm_unreachable(

"Invalid TemplateArgument Kind!"

);

622template

<

typename

T>

628 return

DB <<

"(null template argument)"

;

637 return

DB <<

"nullptr"

;

645

llvm::raw_svector_ostream OS(Str);

647

LangOpts.CPlusPlus =

true

;

651 return

DB << OS.str();

665

llvm::raw_svector_ostream OS(Str);

667

LangOpts.CPlusPlus =

true

;

670 return

DB << OS.str();

676

llvm::raw_svector_ostream OS(Str);

678

LangOpts.CPlusPlus =

true

;

680

Arg.

print

(Policy, OS,

true

);

681 return

DB << OS.str();

685

llvm_unreachable(

"Invalid TemplateArgument Kind!"

);

696

TemplateTemplateArgLocInfo *Template =

new

(Ctx) TemplateTemplateArgLocInfo;

699

Template->TemplateNameLoc = TemplateNameLoc;

700

Template->EllipsisLoc = EllipsisLoc;

707

std::size_t size = totalSizeToAlloc<TemplateArgumentLoc>(List.size());

718

totalSizeToAlloc<TemplateArgumentLoc>(List->getNumTemplateArgs());

723

ASTTemplateArgumentListInfo::ASTTemplateArgumentListInfo(

734

ASTTemplateArgumentListInfo::ASTTemplateArgumentListInfo(

774

Deps |= Info[i].getArgument().getDependence();

Defines the clang::ASTContext interface.

Defines the Diagnostic-related interfaces.

Defines the C++ template declaration subclasses.

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

Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified.

Defines the clang::LangOptions interface.

static std::string toString(const clang::SanitizerSet &Sanitizers)

Produce a string containing comma-separated names of sanitizers in Sanitizers set.

static bool isRecordType(QualType T)

Defines the clang::SourceLocation class and associated facilities.

static const ValueDecl * getAsSimpleValueDeclRef(const ASTContext &Ctx, QualType T, const APValue &V)

static void printIntegral(const TemplateArgument &TemplArg, raw_ostream &Out, const PrintingPolicy &Policy, bool IncludeType)

Print a template integral argument value.

static unsigned getArrayDepth(QualType type)

static const T & DiagTemplateArg(const T &DB, const TemplateArgument &Arg)

static bool needsAmpersandOnTemplateArg(QualType paramType, QualType argType)

Defines the clang::TypeLoc interface and its subclasses.

C Language Family Type Representation.

APValue - This class implements a discriminated union of [uninitialized] [APSInt] [APFloat],...

void Profile(llvm::FoldingSetNodeID &ID) const

profile this value.

void printPretty(raw_ostream &OS, const ASTContext &Ctx, QualType Ty) const

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

TemplateParamObjectDecl * getTemplateParamObjectDecl(QualType T, const APValue &V) const

Return the template parameter object of the given type with the given value.

void * Allocate(size_t Size, unsigned Align=8) const

void addDestruction(T *Ptr) const

If T isn't trivially destructible, calls AddDeallocation to register it for destruction.

This class is used for builtin types like 'int'.

static void print(unsigned val, CharacterLiteralKind Kind, raw_ostream &OS)

DeclContext * getDeclContext()

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.

Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...

void printQualifiedName(raw_ostream &OS) const

Returns a human-readable qualified name for this declaration, like A::B::i, for i being member of nam...

A C++ nested-name-specifier augmented with source location information.

void * getOpaqueData() const

Retrieve the opaque pointer that refers to source-location data.

NestedNameSpecifier * getNestedNameSpecifier() const

Retrieve the nested-name-specifier to which this instance refers.

Represents a pack expansion of types.

A (possibly-)qualified type.

void Profile(llvm::FoldingSetNodeID &ID) const

const Type * getTypePtr() const

Retrieves a pointer to the underlying (unqualified) type.

void print(raw_ostream &OS, const PrintingPolicy &Policy, const Twine &PlaceHolder=Twine(), unsigned Indentation=0) const

void * getAsOpaquePtr() const

static std::string getAsString(SplitQualType split, const PrintingPolicy &Policy)

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.

void printPretty(raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext *Context=nullptr) const

SourceRange getSourceRange() const LLVM_READONLY

SourceLocation tokens are not useful in isolation - they are low level value objects created/interpre...

void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, bool Canonical, bool ProfileLambdaExpr=false) const

Produce a unique representation of the given statement.

The streaming interface shared between DiagnosticBuilder and PartialDiagnostic.

A convenient class for passing around template argument information.

SourceLocation getRAngleLoc() const

void setLAngleLoc(SourceLocation Loc)

void setRAngleLoc(SourceLocation Loc)

void addArgument(const TemplateArgumentLoc &Loc)

SourceLocation getLAngleLoc() const

Location wrapper for a TemplateArgument.

SourceLocation getTemplateEllipsisLoc() const

Expr * getSourceStructuralValueExpression() const

Expr * getSourceIntegralExpression() const

SourceLocation getTemplateNameLoc() const

TypeSourceInfo * getTypeSourceInfo() const

Expr * getSourceNullPtrExpression() const

SourceRange getSourceRange() const LLVM_READONLY

NestedNameSpecifierLoc getTemplateQualifierLoc() const

Expr * getSourceDeclExpression() const

Expr * getSourceExpression() const

Represents a template argument.

QualType getStructuralValueType() const

Get the type of a StructuralValue.

QualType getParamTypeForDecl() const

Expr * getAsExpr() const

Retrieve the template argument as an expression.

bool isDependent() const

Whether this template argument is dependent on a template parameter such that its result can change f...

std::optional< unsigned > getNumTemplateExpansions() const

Retrieve the number of expansions that a template template argument expansion will produce,...

bool isInstantiationDependent() const

Whether this template argument is dependent on a template parameter.

constexpr TemplateArgument()

Construct an empty, invalid template argument.

QualType getNonTypeTemplateArgumentType() const

If this is a non-type template argument, get its type.

void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) const

Used to insert TemplateArguments into FoldingSets.

QualType getAsType() const

Retrieve the type for a type template argument.

llvm::APSInt getAsIntegral() const

Retrieve the template argument as an integral value.

QualType getNullPtrType() const

Retrieve the type for null non-type template argument.

static TemplateArgument CreatePackCopy(ASTContext &Context, ArrayRef< TemplateArgument > Args)

Create a new template argument pack by copying the given set of template arguments.

TemplateName getAsTemplate() const

Retrieve the template name for a template name argument.

bool containsUnexpandedParameterPack() const

Whether this template argument contains an unexpanded parameter pack.

TemplateArgument getPackExpansionPattern() const

When the template argument is a pack expansion, returns the pattern of the pack expansion.

static TemplateArgument getEmptyPack()

bool structurallyEquals(const TemplateArgument &Other) const

Determines whether two template arguments are superficially the same.

void print(const PrintingPolicy &Policy, raw_ostream &Out, bool IncludeType) const

Print this template argument to the given output stream.

QualType getIntegralType() const

Retrieve the type of the integral value.

ValueDecl * getAsDecl() const

Retrieve the declaration for a declaration non-type template argument.

ArrayRef< TemplateArgument > pack_elements() const

Iterator range referencing all of the elements of a template argument pack.

@ Declaration

The template argument is a declaration that was provided for a pointer, reference,...

@ Template

The template argument is a template name that was provided for a template template parameter.

@ StructuralValue

The template argument is a non-type template argument that can't be represented by the special-case D...

@ Pack

The template argument is actually a parameter pack.

@ TemplateExpansion

The template argument is a pack expansion of a template name that was provided for a template templat...

@ NullPtr

The template argument is a null pointer or null pointer to member that was provided for a non-type te...

@ Type

The template argument is a type.

@ Null

Represents an empty template argument, e.g., one that has not been deduced.

@ Integral

The template argument is an integral value stored in an llvm::APSInt that was provided for an integra...

@ Expression

The template argument is an expression, and we've not resolved it to one of the other forms yet,...

ArgKind getKind() const

Return the kind of stored template argument.

TemplateArgumentDependence getDependence() const

bool isPackExpansion() const

Determine whether this template argument is a pack expansion.

TemplateName getAsTemplateOrTemplatePattern() const

Retrieve the template argument as a template name; if the argument is a pack expansion,...

const APValue & getAsStructuralValue() const

Get the value of a StructuralValue.

void print(raw_ostream &OS, const PrintingPolicy &Policy, Qualified Qual=Qualified::AsWritten) const

Print the template name.

A container of type source information.

The base class of the type hierarchy.

bool isBooleanType() const

bool isPointerType() 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 isIntegralOrEnumerationType() const

Determine whether this type is an integral or enumeration type.

bool isAnyCharacterType() const

Determine whether this type is any of the built-in character types.

bool isInstantiationDependentType() const

Determine whether this type is an instantiation-dependent type, meaning that the type involves a temp...

bool isSpecificBuiltinType(unsigned K) const

Test for a particular builtin type.

bool isDependentType() const

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

bool isChar16Type() const

QualType getCanonicalTypeInternal() const

bool isMemberPointerType() const

bool isChar32Type() const

bool isWideCharType() const

const T * getAs() const

Member-template getAs<specific type>'.

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

const internal::VariadicAllOfMatcher< Type > type

Matches Types in the clang AST.

const AstTypeMatcher< ArrayType > arrayType

Matches all kinds of arrays.

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

const StreamingDiagnostic & operator<<(const StreamingDiagnostic &DB, const ASTContext::SectionInfo &Section)

Insertion operator for diagnostics.

const FunctionProtoType * T

TemplateArgumentDependence toTemplateArgumentDependence(TypeDependence D)

@ Other

Other implicit parameter.

__UINTPTR_TYPE__ uintptr_t

An unsigned integer type with the property that any valid pointer to void can be converted to this ty...

Represents an explicit template argument list in C++, e.g., the "<int>" in "sort<int>".

SourceLocation RAngleLoc

The source location of the right angle bracket ('>').

SourceLocation LAngleLoc

The source location of the left angle bracket ('<').

SourceLocation getLAngleLoc() const

static const ASTTemplateArgumentListInfo * Create(const ASTContext &C, const TemplateArgumentListInfo &List)

unsigned getNumTemplateArgs() const

unsigned NumTemplateArgs

The number of template arguments in TemplateArgs.

SourceLocation getRAngleLoc() const

SourceLocation LAngleLoc

The source location of the left angle bracket ('<').

void copyInto(const TemplateArgumentLoc *ArgArray, TemplateArgumentListInfo &List) const

unsigned NumTemplateArgs

The number of template arguments in TemplateArgs.

void initializeFrom(SourceLocation TemplateKWLoc, const TemplateArgumentListInfo &List, TemplateArgumentLoc *OutArgArray)

SourceLocation RAngleLoc

The source location of the right angle bracket ('>').

SourceLocation TemplateKWLoc

The source location of the template keyword; this is used as part of the representation of qualified ...

Describes how types, statements, expressions, and declarations should be printed.

unsigned MSVCFormatting

Use whitespace and punctuation like MSVC does.

unsigned SuppressStrongLifetime

When true, suppress printing of the __strong lifetime qualifier in ARC.

unsigned UseEnumerators

Whether to print enumerator non-type template parameters with a matching enumerator name or via cast ...

TemplateArgumentLocInfo()


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