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Showing content from https://clang.llvm.org/doxygen/ScopeInfo_8h_source.html below:

clang: include/clang/Sema/ScopeInfo.h Source File

ImplicitParamDecl;

ObjCPropertyDecl;

ObjCPropertyRefExpr;

TemplateParameterList;

llvm::TinyPtrVector<const Stmt*>

;

= llvm::PointerIntPair<SwitchStmt*, 1, bool>;

BaseInfoTy = llvm::PointerIntPair<const NamedDecl *, 1, bool>;

BaseInfoTy getBaseInfo(

*BaseE);

.getInt();

WeakObjectProfileTy::getSentinel();

Pair = std::pair<BaseInfoTy, const NamedDecl *>;

llvm::DenseMapInfo<Pair>::getHashValue(Pair(Val.Base,

llvm::PointerIntPair<const Expr *, 1, bool> Rep;

Rep ==

.Rep;

<

ExprT>

WeakObjectUses;

);

llvm::StringSwitch<unsigned char>(Keyword)

&&

);

llvm_unreachable(

);

);

assert(Initial && Final &&

);

Cap_ByCopy, Cap_ByRef, Cap_Block, Cap_VLA

LLVM_PREFERRED_TYPE(CaptureKind)

LLVM_PREFERRED_TYPE(

)

LLVM_PREFERRED_TYPE(

)

CapturesThis : 1;

LLVM_PREFERRED_TYPE(

)

ODRUsed : 1;

LLVM_PREFERRED_TYPE(

)

NonODRUsed : 1;

LLVM_PREFERRED_TYPE(

)

Invalid : 1;

CaptureType(CaptureType), Kind(

? Cap_Block

Nested(IsNested), CapturesThis(

), ODRUsed(

),

NonODRUsed(

), Invalid(Invalid) {}

CaptureType,

ByCopy,

Invalid)

:

(

), CaptureType(CaptureType),

Kind(ByCopy ? Cap_ByCopy : Cap_ByRef), Nested(IsNested),

Nested(IsNested), CapturesThis(

), ODRUsed(

),

EllipsisLoc, CaptureType,

));

,

, CaptureType));

assert(

(Var) &&

);

llvm::DenseMap<ValueDecl *, unsigned>::const_iterator Known =

assert(Known !=

.end() &&

);

[Known->second - 1];

;

;

;

llvm_unreachable(

);

assert(isa<DeclRefExpr>(VarExpr) || isa<MemberExpr>(VarExpr) ||

isa<FunctionParmPackExpr>(VarExpr));

assert(isa<DeclRefExpr>(CapturingVarExpr) ||

isa<MemberExpr>(CapturingVarExpr) ||

isa<FunctionParmPackExpr>(CapturingVarExpr));

assert(isa<DeclRefExpr>(CapturingVarExpr) ||

isa<MemberExpr>(CapturingVarExpr) ||

isa<FunctionParmPackExpr>(CapturingVarExpr));

llvm::function_ref<

(

*,

*)> Callback)

;

FunctionScopeInfo::WeakObjectProfileTy::WeakObjectProfileTy()

FunctionScopeInfo::WeakObjectProfileTy

FunctionScopeInfo::WeakObjectProfileTy::getSentinel() {

FunctionScopeInfo::WeakObjectProfileTy

;

.Base.setInt(

);

<

ExprT>

CXXThisCaptureIndex = Captures.size();

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

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

static DiagnosticBuilder Diag(DiagnosticsEngine *Diags, const LangOptions &Features, FullSourceLoc TokLoc, const char *TokBegin, const char *TokRangeBegin, const char *TokRangeEnd, unsigned DiagID)

Produce a diagnostic highlighting some portion of a literal.

Implements a partial diagnostic that can be emitted anwyhere in a DiagnosticBuilder stream.

Defines the clang::SourceLocation class and associated facilities.

C Language Family Type Representation.

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

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

Represents a C++ struct/union/class.

Represents the body of a CapturedStmt, and serves as its DeclContext.

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

RAII class that determines when any errors have occurred between the time the instance was created an...

bool hasUnrecoverableErrorOccurred() const

Determine whether any unrecoverable errors have occurred since this object instance was created.

Concrete class used by the front-end to report problems and issues.

This represents one expression.

This represents a decl that may have a name.

ObjCIvarRefExpr - A reference to an ObjC instance variable.

An expression that sends a message to the given Objective-C object or class.

Represents one property declaration in an Objective-C interface.

ObjCPropertyRefExpr - A dot-syntax expression to access an ObjC property.

Represents a parameter to a function.

A (possibly-)qualified type.

Represents a struct/union/class.

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

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.

Stmt - This represents one statement.

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

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

Represents a variable declaration or definition.

Represents a C array with a specified size that is not an integer-constant-expression.

Retains information about a block that is currently being parsed.

Scope * TheScope

TheScope - This is the scope for the block itself, which contains arguments etc.

BlockScopeInfo(DiagnosticsEngine &Diag, Scope *BlockScope, BlockDecl *Block)

static bool classof(const FunctionScopeInfo *FSI)

~BlockScopeInfo() override

QualType FunctionType

BlockType - The function type of the block, if one was given.

ValueDecl * getVariable() const

bool isVariableCapture() const

bool isBlockCapture() const

SourceLocation getLocation() const

Retrieve the location at which this variable was captured.

bool isNonODRUsed() const

Capture(IsThisCapture, bool IsNested, SourceLocation Loc, QualType CaptureType, const bool ByCopy, bool Invalid)

void markUsed(bool IsODRUse)

bool isInitCapture() const

Determine whether this capture is an init-capture.

ValueDecl * CapturedVar

Otherwise, the captured variable (if any).

bool isVLATypeCapture() const

SourceLocation getEllipsisLoc() const

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

bool isThisCapture() const

QualType getCaptureType() const

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

bool isCopyCapture() const

bool isReferenceCapture() const

Capture(IsVLACapture, const VariableArrayType *VLA, bool IsNested, SourceLocation Loc, QualType CaptureType)

Capture(ValueDecl *Var, bool Block, bool ByRef, bool IsNested, SourceLocation Loc, SourceLocation EllipsisLoc, QualType CaptureType, bool Invalid)

const VariableArrayType * getCapturedVLAType() const

const VariableArrayType * CapturedVLA

If Kind == Cap_VLA, the captured type.

Retains information about a captured region.

static bool classof(const FunctionScopeInfo *FSI)

~CapturedRegionScopeInfo() override

unsigned short OpenMPLevel

unsigned short CapRegionKind

The kind of captured region.

ImplicitParamDecl * ContextParam

The implicit parameter for the captured variables.

unsigned short OpenMPCaptureLevel

StringRef getRegionName() const

A descriptive name for the kind of captured region this is.

Scope * TheScope

This is the enclosing scope of the captured region.

CapturedRegionScopeInfo(DiagnosticsEngine &Diag, Scope *S, CapturedDecl *CD, RecordDecl *RD, ImplicitParamDecl *Context, CapturedRegionKind K, unsigned OpenMPLevel, unsigned OpenMPCaptureLevel)

RecordDecl * TheRecordDecl

The captured record type.

CapturedDecl * TheCapturedDecl

The CapturedDecl for this statement.

const Capture & getCapture(ValueDecl *Var) const

void addVLATypeCapture(SourceLocation Loc, const VariableArrayType *VLAType, QualType CaptureType)

QualType ReturnType

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

bool isCaptured(ValueDecl *Var) const

Determine whether the given variable has been captured.

bool ContainsUnexpandedParameterPack

Whether this contains an unexpanded parameter pack.

SmallVector< Capture, 4 > Captures

Captures - The captures.

ImplicitCaptureStyle ImpCaptureStyle

unsigned CXXThisCaptureIndex

CXXThisCaptureIndex - The (index+1) of the capture of 'this'; zero if 'this' is not captured.

bool HasImplicitReturnType

Capture & getCXXThisCapture()

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

CapturingScopeInfo(const CapturingScopeInfo &)=default

llvm::DenseMap< ValueDecl *, unsigned > CaptureMap

CaptureMap - A map of captured variables to (index+1) into Captures.

static bool classof(const FunctionScopeInfo *FSI)

bool isCXXThisCaptured() const

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

SmallVector< NamedDecl *, 4 > LocalPacks

Packs introduced by this, if any.

void addThisCapture(bool isNested, SourceLocation Loc, QualType CaptureType, bool ByCopy)

CapturingScopeInfo(DiagnosticsEngine &Diag, ImplicitCaptureStyle Style)

bool isVLATypeCaptured(const VariableArrayType *VAT) const

Determine whether the given variable-array type has been captured.

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

Capture & getCapture(ValueDecl *Var)

Retrieve the capture of the given variable, if it has been captured already.

Contains information about the compound statement currently being parsed.

FPOptions InitialFPFeatures

FP options at the beginning of the compound statement, prior to any pragma.

bool HasEmptyLoopBodies

Whether this compound statement contains ‘for’ or ‘while’ loops with empty bodies.

void setHasEmptyLoopBodies()

bool IsStmtExpr

Whether this compound statement corresponds to a GNU statement expression.

CompoundScopeInfo(bool IsStmtExpr, FPOptions FPO)

static WeakObjectProfileTy getEmptyKey()

static WeakObjectProfileTy getTombstoneKey()

static bool isEqual(const WeakObjectProfileTy &LHS, const WeakObjectProfileTy &RHS)

static unsigned getHashValue(const WeakObjectProfileTy &Val)

Represents a simple identification of a weak object.

bool isExactProfile() const

Returns true if the object base specifies a known object in memory, rather than, say,...

bool operator==(const WeakObjectProfileTy &Other) const

const NamedDecl * getBase() const

const NamedDecl * getProperty() const

Represents a single use of a weak object.

const Expr * getUseExpr() const

bool operator==(const WeakUseTy &Other) const

WeakUseTy(const Expr *Use, bool IsRead)

Retains information about a function, method, or block that is currently being parsed.

llvm::PointerIntPair< SwitchStmt *, 1, bool > SwitchInfo

A SwitchStmt, along with a flag indicating if its list of case statements is incomplete (because we d...

void setHasObjCTry(SourceLocation TryLoc)

llvm::SmallDenseMap< WeakObjectProfileTy, WeakUseVector, 8, WeakObjectProfileTy::DenseMapInfo > WeakObjectUseMap

Used to collect all uses of weak objects in a function body.

SmallVector< ReturnStmt *, 4 > Returns

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

FunctionScopeInfo(DiagnosticsEngine &Diag)

bool HasIndirectGoto

Whether this function contains any indirect gotos.

bool HasFallthroughStmt

Whether there is a fallthrough statement in this function.

SourceLocation FirstVLALoc

First use of a VLA within the current function.

SourceLocation FirstCXXOrObjCTryLoc

First C++ 'try' or ObjC @try statement in the current function.

bool UsesFPIntrin

Whether this function uses constrained floating point intrinsics.

void addByrefBlockVar(VarDecl *VD)

llvm::SmallMapVector< ParmVarDecl *, Stmt *, 4 > CoroutineParameterMoves

A mapping between the coroutine function parameters that were moved to the coroutine frame,...

void setFirstCoroutineStmt(SourceLocation Loc, StringRef Keyword)

void recordUseOfWeak(const ExprT *E, bool IsRead=true)

Record that a weak object was accessed.

unsigned char FirstCoroutineStmtKind

An enumeration representing the kind of the first coroutine statement in the function.

bool NeedsScopeChecking() const

bool HasDroppedStmt

Whether a statement was dropped because it was invalid.

void setNeedsCoroutineSuspends(bool value=true)

void markSafeWeakUse(const Expr *E)

Record that a given expression is a "safe" access of a weak object (e.g.

void setHasOMPDeclareReductionCombiner()

SourceLocation FirstCoroutineStmtLoc

First coroutine statement in the current function.

bool FoundImmediateEscalatingExpression

Whether we found an immediate-escalating expression.

void setHasIndirectGoto()

void setCoroutineSuspends(Stmt *Initial, Stmt *Final)

std::pair< Stmt *, Stmt * > CoroutineSuspends

The initial and final coroutine suspend points.

bool ObjCIsDesignatedInit

True when this is a method marked as a designated initializer.

void Clear()

Clear out the information in this function scope, making it suitable for reuse.

bool ObjCShouldCallSuper

A flag that is set when parsing a method that must call super's implementation, such as -dealloc,...

VarDecl * CoroutinePromise

The promise object for this coroutine, if any.

void addBlock(const BlockDecl *BD)

SmallVector< WeakUseTy, 4 > WeakUseVector

Used to collect uses of a particular weak object in a function body.

ScopeKind Kind

What kind of scope we are describing.

bool hasInvalidCoroutineSuspends() const

bool HasBranchProtectedScope

Whether this function contains a VLA, @try, try, C++ initializer, or anything else that can't be jump...

bool hasUnrecoverableErrorOccurred() const

Determine whether an unrecoverable error has occurred within this function.

SmallVector< PossiblyUnreachableDiag, 4 > PossiblyUnreachableDiags

A list of PartialDiagnostics created but delayed within the current function scope.

FunctionScopeInfo(const FunctionScopeInfo &)=default

bool ObjCWarnForNoInitDelegation

This starts true for a secondary initializer method and will be set to false if there is an invocatio...

void setHasFallthroughStmt()

bool isPlainFunction() const

StringRef getFirstCoroutineStmtKeyword() const

bool HasPotentialAvailabilityViolations

Whether we make reference to a declaration that could be unavailable.

SourceLocation FirstReturnLoc

First 'return' statement in the current function.

bool HasBranchIntoScope

Whether this function contains any switches or direct gotos.

enum clang::sema::FunctionScopeInfo::@245 FirstTryType

SourceLocation FirstSEHTryLoc

First SEH '__try' statement in the current function.

void setHasCXXTry(SourceLocation TryLoc)

SmallVector< CompoundScopeInfo, 4 > CompoundScopes

The stack of currently active compound statement scopes in the function.

const WeakObjectUseMap & getWeakObjectUses() const

llvm::SmallPtrSet< const BlockDecl *, 1 > Blocks

The set of blocks that are introduced in this function.

void setHasVLA(SourceLocation VLALoc)

void setHasBranchProtectedScope()

void setHasBranchIntoScope()

void setHasSEHTry(SourceLocation TryLoc)

bool ObjCIsSecondaryInit

True when this is an initializer method not marked as a designated initializer within a class that ha...

bool NeedsCoroutineSuspends

True only when this function has not already built, or attempted to build, the initial and final coro...

llvm::SmallVector< AddrLabelExpr *, 4 > AddrLabels

The set of GNU address of label extension "&&label".

llvm::TinyPtrVector< VarDecl * > ByrefBlockVars

The set of __block variables that are introduced in this function.

bool ObjCWarnForNoDesignatedInitChain

This starts true for a method marked as designated initializer and will be set to false if there is a...

SmallVector< SwitchInfo, 8 > SwitchStack

SwitchStack - This is the current set of active switch statements in the block.

bool HasMustTail

Whether this function contains any statement marked with [[clang::musttail]].

bool HasOMPDeclareReductionCombiner

True if current scope is for OpenMP declare reduction combiner.

virtual ~FunctionScopeInfo()

llvm::SmallPtrSet< const ParmVarDecl *, 8 > ModifiedNonNullParams

A list of parameters which have the nonnull attribute and are modified in the function.

SourceLocation PotentialThisCaptureLocation

void removePotentialCapture(Expr *E)

void finishedExplicitCaptures()

Note when all explicit captures have been added.

bool hasPotentialThisCapture() const

LambdaScopeInfo(DiagnosticsEngine &Diag)

CleanupInfo Cleanup

Whether any of the capture expressions requires cleanups.

SourceRange IntroducerRange

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

bool isGenericLambda() const

Is this scope known to be for a generic lambda? (This will be false until we parse a template paramet...

bool lambdaCaptureShouldBeConst() const

void clearPotentialCaptures()

bool ExplicitParams

Whether the (empty) parameter list is explicit.

TemplateParameterList * GLTemplateParameterList

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

void addPotentialCapture(Expr *VarExpr)

Add a variable that might potentially be captured by the lambda and therefore the enclosing lambdas.

void markVariableExprAsNonODRUsed(Expr *CapturingVarExpr)

Mark a variable's reference in a lambda as non-odr using.

llvm::SmallSet< Expr *, 8 > NonODRUsedCapturingExprs

Contains all variable-referring-expressions that refer to local variables that are usable as constant...

void addPotentialThisCapture(SourceLocation Loc)

ParmVarDecl * ExplicitObjectParameter

llvm::SmallVector< ShadowedOuterDecl, 4 > ShadowingDecls

ExprResult RequiresClause

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

SourceRange ExplicitTemplateParamsRange

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

bool hasPotentialCaptures() const

bool isVariableExprMarkedAsNonODRUsed(Expr *CapturingVarExpr) const

CXXRecordDecl * Lambda

The class that describes the lambda.

void visitPotentialCaptures(llvm::function_ref< void(ValueDecl *, Expr *)> Callback) const

unsigned getNumPotentialVariableCaptures() const

unsigned NumExplicitCaptures

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

SourceLocation CaptureDefaultLoc

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

llvm::DenseMap< unsigned, SourceRange > ExplicitCaptureRanges

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

static bool classof(const FunctionScopeInfo *FSI)

bool AfterParameterList

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

CXXMethodDecl * CallOperator

The lambda's compiler-generated operator().

bool Mutable

Whether this is a mutable lambda.

llvm::SmallVector< Expr *, 4 > PotentiallyCapturingExprs

Contains all variable-referring-expressions (i.e.

llvm::TinyPtrVector< const Stmt * > Stmts

PossiblyUnreachableDiag(const PartialDiagnostic &PD, SourceLocation Loc, ArrayRef< const Stmt * > Stmts)

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

CapturedRegionKind

The different kinds of captured statement.

@ Property

The type of a property.

@ Result

The result type of a method or function.

@ Other

Other implicit parameter.

SmallVector< NamedDecl *, 4 > TemplateParams

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

Contains all of the variables defined in this lambda that shadow variables that were defined in paren...

const NamedDecl * ShadowedDecl

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