clang  7.0.0svn
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clang::LazyGenerationalUpdatePtr< Owner, T, Update > Struct Template Reference

A lazy value (of type T) that is within an AST node of type Owner, where the value might change in later generations of the external AST source. More...

#include "clang/AST/ExternalASTSource.h"

Collaboration diagram for clang::LazyGenerationalUpdatePtr< Owner, T, Update >:
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Classes

struct  LazyData
 A cache of the value of this pointer, in the most recent generation in which we queried it. More...
 

Public Types

enum  NotUpdatedTag { NotUpdated }
 Create a pointer that is not potentially updated by later generations of the external AST source. More...
 
using ValueType = llvm::PointerUnion< T, LazyData * >
 

Public Member Functions

 LazyGenerationalUpdatePtr (ValueType V)
 
 LazyGenerationalUpdatePtr (const ASTContext &Ctx, T Value=T())
 
 LazyGenerationalUpdatePtr (NotUpdatedTag, T Value=T())
 
void markIncomplete ()
 Forcibly set this pointer (which must be lazy) as needing updates. More...
 
void set (T NewValue)
 Set the value of this pointer, in the current generation. More...
 
void setNotUpdated (T NewValue)
 Set the value of this pointer, for this and all future generations. More...
 
T get (Owner O)
 Get the value of this pointer, updating its owner if necessary. More...
 
T getNotUpdated () const
 Get the most recently computed value of this pointer without updating it. More...
 
void * getOpaqueValue ()
 

Static Public Member Functions

static ValueType makeValue (const ASTContext &Ctx, T Value)
 Create the representation of a LazyGenerationalUpdatePtr. More...
 
static LazyGenerationalUpdatePtr getFromOpaqueValue (void *Ptr)
 

Public Attributes

ValueType Value
 

Detailed Description

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
struct clang::LazyGenerationalUpdatePtr< Owner, T, Update >

A lazy value (of type T) that is within an AST node of type Owner, where the value might change in later generations of the external AST source.

Definition at line 411 of file ExternalASTSource.h.

Member Typedef Documentation

◆ ValueType

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
using clang::LazyGenerationalUpdatePtr< Owner, T, Update >::ValueType = llvm::PointerUnion<T, LazyData*>

Definition at line 424 of file ExternalASTSource.h.

Member Enumeration Documentation

◆ NotUpdatedTag

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
enum clang::LazyGenerationalUpdatePtr::NotUpdatedTag

Create a pointer that is not potentially updated by later generations of the external AST source.

Enumerator
NotUpdated 

Definition at line 438 of file ExternalASTSource.h.

Constructor & Destructor Documentation

◆ LazyGenerationalUpdatePtr() [1/3]

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
clang::LazyGenerationalUpdatePtr< Owner, T, Update >::LazyGenerationalUpdatePtr ( ValueType  V)
inline

Definition at line 427 of file ExternalASTSource.h.

References clang::T.

◆ LazyGenerationalUpdatePtr() [2/3]

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
clang::LazyGenerationalUpdatePtr< Owner, T, Update >::LazyGenerationalUpdatePtr ( const ASTContext Ctx,
T  Value = T() 
)
inlineexplicit

Definition at line 433 of file ExternalASTSource.h.

◆ LazyGenerationalUpdatePtr() [3/3]

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
clang::LazyGenerationalUpdatePtr< Owner, T, Update >::LazyGenerationalUpdatePtr ( NotUpdatedTag  ,
T  Value = T() 
)
inline

Definition at line 439 of file ExternalASTSource.h.

Member Function Documentation

◆ get()

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
T clang::LazyGenerationalUpdatePtr< Owner, T, Update >::get ( Owner  O)
inline

Get the value of this pointer, updating its owner if necessary.

Definition at line 460 of file ExternalASTSource.h.

References clang::diff::Update.

◆ getFromOpaqueValue()

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
static LazyGenerationalUpdatePtr clang::LazyGenerationalUpdatePtr< Owner, T, Update >::getFromOpaqueValue ( void *  Ptr)
inlinestatic

Definition at line 479 of file ExternalASTSource.h.

References clang::T, and clang::diff::Update.

◆ getNotUpdated()

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
T clang::LazyGenerationalUpdatePtr< Owner, T, Update >::getNotUpdated ( ) const
inline

Get the most recently computed value of this pointer without updating it.

Definition at line 472 of file ExternalASTSource.h.

◆ getOpaqueValue()

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
void* clang::LazyGenerationalUpdatePtr< Owner, T, Update >::getOpaqueValue ( )
inline

◆ makeValue()

template<typename Owner , typename T , void(clang::ExternalASTSource::*)(Owner) Update>
template clang::LazyGenerationalUpdatePtr< const Decl *, Decl *, &ExternalASTSource::CompleteRedeclChain >::ValueType clang::LazyGenerationalUpdatePtr< Owner, T, Update >::makeValue ( const ASTContext Ctx,
T  Value 
)
static

Create the representation of a LazyGenerationalUpdatePtr.

Definition at line 2991 of file ASTContext.h.

References clang::ASTContext::getExternalSource().

◆ markIncomplete()

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
void clang::LazyGenerationalUpdatePtr< Owner, T, Update >::markIncomplete ( )
inline

Forcibly set this pointer (which must be lazy) as needing updates.

Definition at line 443 of file ExternalASTSource.h.

◆ set()

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
void clang::LazyGenerationalUpdatePtr< Owner, T, Update >::set ( T  NewValue)
inline

Set the value of this pointer, in the current generation.

Definition at line 448 of file ExternalASTSource.h.

Referenced by clang::Redeclarable< decl_type >::DeclLink::setLatest().

◆ setNotUpdated()

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
void clang::LazyGenerationalUpdatePtr< Owner, T, Update >::setNotUpdated ( T  NewValue)
inline

Set the value of this pointer, for this and all future generations.

Definition at line 457 of file ExternalASTSource.h.

Member Data Documentation

◆ Value

template<typename Owner, typename T, void(ExternalASTSource::*)(Owner) Update>
ValueType clang::LazyGenerationalUpdatePtr< Owner, T, Update >::Value

Definition at line 425 of file ExternalASTSource.h.


The documentation for this struct was generated from the following files: