clang
10.0.0git
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#include "clang/Sema/ScopeInfo.h"
Public Types | |
enum | ImplicitCaptureStyle { ImpCap_None, ImpCap_LambdaByval, ImpCap_LambdaByref, ImpCap_Block, ImpCap_CapturedRegion } |
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using | SwitchInfo = llvm::PointerIntPair< SwitchStmt *, 1, bool > |
A SwitchStmt, along with a flag indicating if its list of case statements is incomplete (because we dropped an invalid one while parsing). More... | |
using | WeakUseVector = SmallVector< WeakUseTy, 4 > |
Used to collect uses of a particular weak object in a function body. More... | |
using | WeakObjectUseMap = llvm::SmallDenseMap< WeakObjectProfileTy, WeakUseVector, 8, WeakObjectProfileTy::DenseMapInfo > |
Used to collect all uses of weak objects in a function body. More... | |
Public Member Functions | |
CapturingScopeInfo (DiagnosticsEngine &Diag, ImplicitCaptureStyle Style) | |
void | addCapture (VarDecl *Var, bool isBlock, bool isByref, bool isNested, SourceLocation Loc, SourceLocation EllipsisLoc, QualType CaptureType, bool Invalid) |
void | addVLATypeCapture (SourceLocation Loc, const VariableArrayType *VLAType, QualType CaptureType) |
void | addThisCapture (bool isNested, SourceLocation Loc, QualType CaptureType, bool ByCopy) |
bool | isCXXThisCaptured () const |
Determine whether the C++ 'this' is captured. More... | |
Capture & | getCXXThisCapture () |
Retrieve the capture of C++ 'this', if it has been captured. More... | |
bool | isCaptured (VarDecl *Var) const |
Determine whether the given variable has been captured. More... | |
bool | isVLATypeCaptured (const VariableArrayType *VAT) const |
Determine whether the given variable-array type has been captured. More... | |
Capture & | getCapture (VarDecl *Var) |
Retrieve the capture of the given variable, if it has been captured already. More... | |
const Capture & | getCapture (VarDecl *Var) const |
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FunctionScopeInfo (DiagnosticsEngine &Diag) | |
virtual | ~FunctionScopeInfo () |
template<typename ExprT > | |
void | recordUseOfWeak (const ExprT *E, bool IsRead=true) |
Record that a weak object was accessed. More... | |
void | recordUseOfWeak (const ObjCMessageExpr *Msg, const ObjCPropertyDecl *Prop) |
void | markSafeWeakUse (const Expr *E) |
Record that a given expression is a "safe" access of a weak object (e.g. More... | |
const WeakObjectUseMap & | getWeakObjectUses () const |
void | setHasBranchIntoScope () |
void | setHasBranchProtectedScope () |
void | setHasIndirectGoto () |
void | setHasDroppedStmt () |
void | setHasOMPDeclareReductionCombiner () |
void | setHasFallthroughStmt () |
void | setHasCXXTry (SourceLocation TryLoc) |
void | setHasSEHTry (SourceLocation TryLoc) |
bool | NeedsScopeChecking () const |
void | addBlock (const BlockDecl *BD) |
void | addByrefBlockVar (VarDecl *VD) |
bool | isCoroutine () const |
void | setFirstCoroutineStmt (SourceLocation Loc, StringRef Keyword) |
StringRef | getFirstCoroutineStmtKeyword () const |
void | setNeedsCoroutineSuspends (bool value=true) |
bool | hasInvalidCoroutineSuspends () const |
void | setCoroutineSuspends (Stmt *Initial, Stmt *Final) |
void | Clear () |
Clear out the information in this function scope, making it suitable for reuse. More... | |
bool | isPlainFunction () const |
Static Public Member Functions | |
static bool | classof (const FunctionScopeInfo *FSI) |
Public Attributes | |
ImplicitCaptureStyle | ImpCaptureStyle |
llvm::DenseMap< VarDecl *, unsigned > | CaptureMap |
CaptureMap - A map of captured variables to (index+1) into Captures. More... | |
unsigned | CXXThisCaptureIndex = 0 |
CXXThisCaptureIndex - The (index+1) of the capture of 'this'; zero if 'this' is not captured. More... | |
SmallVector< Capture, 4 > | Captures |
Captures - The captures. More... | |
bool | HasImplicitReturnType = false |
QualType | ReturnType |
ReturnType - The target type of return statements in this context, or null if unknown. More... | |
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ScopeKind | Kind: 3 |
What kind of scope we are describing. More... | |
bool | HasBranchProtectedScope: 1 |
Whether this function contains a VLA, @try, try, C++ initializer, or anything else that can't be jumped past. More... | |
bool | HasBranchIntoScope: 1 |
Whether this function contains any switches or direct gotos. More... | |
bool | HasIndirectGoto: 1 |
Whether this function contains any indirect gotos. More... | |
bool | HasDroppedStmt: 1 |
Whether a statement was dropped because it was invalid. More... | |
bool | HasOMPDeclareReductionCombiner: 1 |
True if current scope is for OpenMP declare reduction combiner. More... | |
bool | HasFallthroughStmt: 1 |
Whether there is a fallthrough statement in this function. More... | |
bool | HasPotentialAvailabilityViolations: 1 |
Whether we make reference to a declaration that could be unavailable. More... | |
bool | ObjCShouldCallSuper: 1 |
A flag that is set when parsing a method that must call super's implementation, such as -dealloc , -finalize , or any method marked with attribute ((objc_requires_super)). More... | |
bool | ObjCIsDesignatedInit: 1 |
True when this is a method marked as a designated initializer. More... | |
bool | ObjCWarnForNoDesignatedInitChain: 1 |
This starts true for a method marked as designated initializer and will be set to false if there is an invocation to a designated initializer of the super class. More... | |
bool | ObjCIsSecondaryInit: 1 |
True when this is an initializer method not marked as a designated initializer within a class that has at least one initializer marked as a designated initializer. More... | |
bool | ObjCWarnForNoInitDelegation: 1 |
This starts true for a secondary initializer method and will be set to false if there is an invocation of an initializer on 'self'. More... | |
bool | NeedsCoroutineSuspends: 1 |
True only when this function has not already built, or attempted to build, the initial and final coroutine suspend points. More... | |
unsigned char | FirstCoroutineStmtKind: 2 |
An enumeration represeting the kind of the first coroutine statement in the function. More... | |
SourceLocation | FirstCoroutineStmtLoc |
First coroutine statement in the current function. More... | |
SourceLocation | FirstReturnLoc |
First 'return' statement in the current function. More... | |
SourceLocation | FirstCXXTryLoc |
First C++ 'try' statement in the current function. More... | |
SourceLocation | FirstSEHTryLoc |
First SEH '__try' statement in the current function. More... | |
DiagnosticErrorTrap | ErrorTrap |
Used to determine if errors occurred in this function or block. More... | |
SmallVector< SwitchInfo, 8 > | SwitchStack |
SwitchStack - This is the current set of active switch statements in the block. More... | |
SmallVector< ReturnStmt *, 4 > | Returns |
The list of return statements that occur within the function or block, if there is any chance of applying the named return value optimization, or if we need to infer a return type. More... | |
VarDecl * | CoroutinePromise = nullptr |
The promise object for this coroutine, if any. More... | |
llvm::SmallMapVector< ParmVarDecl *, Stmt *, 4 > | CoroutineParameterMoves |
A mapping between the coroutine function parameters that were moved to the coroutine frame, and their move statements. More... | |
std::pair< Stmt *, Stmt * > | CoroutineSuspends |
The initial and final coroutine suspend points. More... | |
SmallVector< CompoundScopeInfo, 4 > | CompoundScopes |
The stack of currently active compound stamement scopes in the function. More... | |
llvm::SmallPtrSet< const BlockDecl *, 1 > | Blocks |
The set of blocks that are introduced in this function. More... | |
llvm::TinyPtrVector< VarDecl * > | ByrefBlockVars |
The set of __block variables that are introduced in this function. More... | |
SmallVector< PossiblyUnreachableDiag, 4 > | PossiblyUnreachableDiags |
A list of PartialDiagnostics created but delayed within the current function scope. More... | |
llvm::SmallPtrSet< const ParmVarDecl *, 8 > | ModifiedNonNullParams |
A list of parameters which have the nonnull attribute and are modified in the function. More... | |
Protected Member Functions | |
CapturingScopeInfo (const CapturingScopeInfo &)=default | |
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FunctionScopeInfo (const FunctionScopeInfo &)=default | |
Additional Inherited Members | |
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enum | ScopeKind { SK_Function, SK_Block, SK_Lambda, SK_CapturedRegion } |
Definition at line 628 of file ScopeInfo.h.
Enumerator | |
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ImpCap_None | |
ImpCap_LambdaByval | |
ImpCap_LambdaByref | |
ImpCap_Block | |
ImpCap_CapturedRegion |
Definition at line 633 of file ScopeInfo.h.
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protecteddefault |
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inline |
Definition at line 640 of file ScopeInfo.h.
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inline |
Definition at line 661 of file ScopeInfo.h.
Referenced by clang::Sema::addInitCapture().
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inline |
Definition at line 1013 of file ScopeInfo.h.
References clang::sema::Capture::ThisCapture.
Referenced by clang::Sema::CheckCXXThisCapture().
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inline |
Definition at line 669 of file ScopeInfo.h.
References clang::sema::Capture::VLACapture.
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inlinestatic |
Definition at line 709 of file ScopeInfo.h.
References clang::sema::FunctionScopeInfo::Kind.
Retrieve the capture of the given variable, if it has been captured already.
Definition at line 697 of file ScopeInfo.h.
Referenced by isVariableAlreadyCapturedInScopeInfo(), and clang::Sema::tryCaptureVariable().
Definition at line 702 of file ScopeInfo.h.
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inline |
Retrieve the capture of C++ 'this', if it has been captured.
Definition at line 682 of file ScopeInfo.h.
Referenced by adjustCVQualifiersForCXXThisWithinLambda().
Determine whether the given variable has been captured.
Definition at line 688 of file ScopeInfo.h.
Referenced by getStackIndexOfNearestEnclosingCaptureReadyLambda().
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inline |
Determine whether the C++ 'this' is captured.
Definition at line 679 of file ScopeInfo.h.
Referenced by adjustCVQualifiersForCXXThisWithinLambda(), getStackIndexOfNearestEnclosingCaptureReadyLambda(), and tryImplicitlyCaptureThisIfImplicitMemberFunctionAccessWithDependentArgs().
bool CapturingScopeInfo::isVLATypeCaptured | ( | const VariableArrayType * | VAT | ) | const |
Determine whether the given variable-array type has been captured.
Definition at line 225 of file ScopeInfo.cpp.
llvm::DenseMap<VarDecl*, unsigned> clang::sema::CapturingScopeInfo::CaptureMap |
CaptureMap - A map of captured variables to (index+1) into Captures.
Definition at line 644 of file ScopeInfo.h.
Referenced by isVariableAlreadyCapturedInScopeInfo().
SmallVector<Capture, 4> clang::sema::CapturingScopeInfo::Captures |
Captures - The captures.
Definition at line 651 of file ScopeInfo.h.
Referenced by clang::Sema::BuildLambdaExpr(), and getCaptureLocation().
unsigned clang::sema::CapturingScopeInfo::CXXThisCaptureIndex = 0 |
CXXThisCaptureIndex - The (index+1) of the capture of 'this'; zero if 'this' is not captured.
Definition at line 648 of file ScopeInfo.h.
Definition at line 655 of file ScopeInfo.h.
Referenced by clang::Sema::ActOnBlockStmtExpr(), clang::Sema::ActOnCapScopeReturnStmt(), clang::Sema::BuildLambdaExpr(), clang::Sema::buildLambdaScope(), and clang::Sema::deduceClosureReturnType().
ImplicitCaptureStyle clang::sema::CapturingScopeInfo::ImpCaptureStyle |
QualType clang::sema::CapturingScopeInfo::ReturnType |
ReturnType - The target type of return statements in this context, or null if unknown.
Definition at line 659 of file ScopeInfo.h.
Referenced by clang::Sema::ActOnCapScopeReturnStmt(), clang::Sema::buildLambdaScope(), clang::Sema::deduceClosureReturnType(), and clang::Sema::PushCapturedRegionScope().