llvm::cas::ondisk::TableHandle Class Reference

Generic handle for a table. More...

#include "CAS/DatabaseFile.h"

Classes
struct	Header

Public Types
enum class	TableKind : uint16_t { TrieRawHashMap = 1 , DataAllocator = 2 }

Public Member Functions
	operator bool () const
const Header &	getHeader () const
MappedFileRegion &	getRegion () const
template<class T>
bool	is () const
template<class T>
T	dyn_cast () const
template<class T>
T	cast () const
StringRef	getName () const
	TableHandle ()=default
	TableHandle (MappedFileRegion &Region, Header &H)
	TableHandle (MappedFileRegion &Region, intptr_t HeaderOffset)

Static Public Member Functions
template<class T>
static void	check ()

Detailed Description

Generic handle for a table.

Generic table header layout:

• 2-bytes: TableKind
• 2-bytes: TableNameSize
• 4-bytes: TableNameRelOffset (relative to header)

Definition at line 32 of file DatabaseFile.h.

Member Enumeration Documentation

TableKind

enum class llvm::cas::ondisk::TableHandle::TableKind : uint16_t

strong

Enumerator
TrieRawHashMap
DataAllocator

Definition at line 34 of file DatabaseFile.h.

Constructor & Destructor Documentation

TableHandle() [1/3]

llvm::cas::ondisk::TableHandle::TableHandle ( )

default

Referenced by TableHandle().

TableHandle() [2/3]

llvm::cas::ondisk::TableHandle::TableHandle ( MappedFileRegion & Region, Header & H )

inline

Definition at line 73 of file DatabaseFile.h.

TableHandle() [3/3]

llvm::cas::ondisk::TableHandle::TableHandle ( MappedFileRegion & Region, intptr_t HeaderOffset )

inline

Definition at line 74 of file DatabaseFile.h.

References data, and TableHandle().

Member Function Documentation

cast()

template<class T>

T llvm::cas::ondisk::TableHandle::cast ( ) const

inline

Definition at line 62 of file DatabaseFile.h.

References assert(), dyn_cast(), is(), and T.

check()

template<class T>

void llvm::cas::ondisk::TableHandle::check ( )

inlinestatic

Definition at line 48 of file DatabaseFile.h.

References offsetof.

Referenced by dyn_cast().

dyn_cast()

template<class T>

T llvm::cas::ondisk::TableHandle::dyn_cast ( ) const

inline

Definition at line 56 of file DatabaseFile.h.

References check(), is(), and T.

Referenced by cast().

getHeader()

const Header & llvm::cas::ondisk::TableHandle::getHeader ( ) const

inline

Definition at line 45 of file DatabaseFile.h.

Referenced by llvm::cas::ondisk::DatabaseFile::addTable().

getName()

StringRef llvm::cas::ondisk::TableHandle::getName ( ) const

inline

Definition at line 67 of file DatabaseFile.h.

Referenced by llvm::cas::ondisk::DatabaseFile::addTable(), and llvm::cas::ondisk::DatabaseFile::findTable().

getRegion()

MappedFileRegion & llvm::cas::ondisk::TableHandle::getRegion ( ) const

inline

Definition at line 46 of file DatabaseFile.h.

Referenced by llvm::cas::ondisk::DatabaseFile::addTable().

is()

template<class T>

bool llvm::cas::ondisk::TableHandle::is ( ) const

inline

Definition at line 55 of file DatabaseFile.h.

Referenced by cast(), and dyn_cast().

operator bool()

llvm::cas::ondisk::TableHandle::operator bool ( ) const

inlineexplicit

Definition at line 44 of file DatabaseFile.h.

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The documentation for this class was generated from the following file:

• lib/CAS/DatabaseFile.h