PyLong Class Reference

Python long integer. More...

#include "PyRep.h"

Inheritance diagram for PyLong:

Collaboration diagram for PyLong:

Public Member Functions
	PyLong (const int64 i)
	PyLong (const PyLong &oth)
	PyLong (PyLong &&oth)=delete
PyLong &	operator= (const PyLong &oth)=delete
PyLong &	operator= (PyLong &&oth)=delete
PyRep *	Clone () const
	Clones object. More...
bool	visit (PyVisitor &v) const
	Visits object. More...
int64	value () const
int32	hash () const
	virtual function to generate a hash value of a object. More...
Public Member Functions inherited from PyRep
PyType	GetType () const
bool	IsInt () const
bool	IsLong () const
bool	IsFloat () const
bool	IsBool () const
bool	IsBuffer () const
bool	IsString () const
bool	IsWString () const
bool	IsToken () const
bool	IsTuple () const
bool	IsList () const
bool	IsDict () const
bool	IsNone () const
bool	IsSubStruct () const
bool	IsSubStream () const
bool	IsChecksumedStream () const
bool	IsObject () const
bool	IsObjectEx () const
bool	IsPackedRow () const
const char *	TypeString () const
PyInt *	AsInt ()
const PyInt *	AsInt () const
PyLong *	AsLong ()
const PyLong *	AsLong () const
PyFloat *	AsFloat ()
const PyFloat *	AsFloat () const
PyBool *	AsBool ()
const PyBool *	AsBool () const
PyBuffer *	AsBuffer ()
const PyBuffer *	AsBuffer () const
PyString *	AsString ()
const PyString *	AsString () const
PyWString *	AsWString ()
const PyWString *	AsWString () const
PyToken *	AsToken ()
const PyToken *	AsToken () const
PyTuple *	AsTuple ()
const PyTuple *	AsTuple () const
PyList *	AsList ()
const PyList *	AsList () const
PyDict *	AsDict ()
const PyDict *	AsDict () const
PyNone *	AsNone ()
const PyNone *	AsNone () const
PySubStruct *	AsSubStruct ()
const PySubStruct *	AsSubStruct () const
PySubStream *	AsSubStream ()
const PySubStream *	AsSubStream () const
PyChecksumedStream *	AsChecksumedStream ()
const PyChecksumedStream *	AsChecksumedStream () const
PyObject *	AsObject ()
const PyObject *	AsObject () const
PyObjectEx *	AsObjectEx ()
const PyObjectEx *	AsObjectEx () const
PyPackedRow *	AsPackedRow ()
const PyPackedRow *	AsPackedRow () const
void	Dump (FILE *into, const char *pfx) const
	Dumps object to file. More...
void	Dump (LogType type, const char *pfx) const
	Dumps object to console. More...
Public Member Functions inherited from RefObject
	RefObject (size_t initRefCount)
	Initializes reference count. More...
virtual	~RefObject ()
	Destructor; must be virtual. More...
size_t	GetCount ()

Protected Member Functions
virtual	~PyLong ()
Protected Member Functions inherited from PyRep
	PyRep (PyType t)
	PyRep (const PyRep &oth)
	PyRep (PyRep &&oth)=delete
PyRep &	operator= (const PyRep &oth)=default
PyRep &	operator= (PyRep &&oth)=default
virtual	~PyRep ()
Protected Member Functions inherited from RefObject
void	IncRef () const
	Increments reference count of object by one. More...
void	DecRef () const
	Decrements reference count of object by one. More...

Protected Attributes
const int64	mValue
Protected Attributes inherited from PyRep
const PyType	mType
Protected Attributes inherited from RefObject
size_t	mRefCount
	Reference count of instance. More...
bool	mDeleted

Additional Inherited Members
Public Types inherited from PyRep
enum	PyType {   PyTypeMin = 0, PyTypeInt = 1, PyTypeLong = 2, PyTypeFloat = 3,   PyTypeBool = 4, PyTypeBuffer = 5, PyTypeString = 6, PyTypeWString = 7,   PyTypeToken = 8, PyTypeTuple = 9, PyTypeList = 10, PyTypeDict = 11,   PyTypeNone = 12, PyTypeSubStruct = 13, PyTypeSubStream = 14, PyTypeChecksumedStream = 15,   PyTypeObject = 16, PyTypeObjectEx = 17, PyTypePackedRow = 18, PyTypeError = 19 }
	Python wire object types. More...
Static Public Member Functions inherited from PyRep
static std::string	StringContent (PyRep *pRep)
static int64	IntegerValue (PyRep *pRep)
static uint32	IntegerValueU32 (PyRep *pRep)

Detailed Description

Python long integer.

Class representing 64-bit signed integer.

Definition at line 261 of file PyRep.h.

Constructor & Destructor Documentation

PyLong::PyLong

(

const int64

i

)

Definition at line 179 of file PyRep.cpp.

Referenced by Clone().

: PyRep( PyRep::PyTypeLong ), mValue( i ) {}

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PyLong::PyLong

(

const PyLong &

oth

)

Definition at line 180 of file PyRep.cpp.

: PyRep( PyRep::PyTypeLong ), mValue( oth.value() ) {}

PyLong::PyLong ( PyLong &&  oth )

delete

virtual PyLong::~PyLong ( )

inlineprotectedvirtual

Definition at line 283 of file PyRep.h.

{ /* do we need to do anything here? */ }

Member Function Documentation

PyRep * PyLong::Clone ( ) const

virtual

Clones object.

Returns

Indentical copy of object.

Implements PyRep.

Definition at line 182 of file PyRep.cpp.

References PyLong().

{
    return new PyLong( *this );
}

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int32 PyLong::hash ( ) const

virtual

virtual function to generate a hash value of a object.

virtual function to generate a hash value of a object to facilitate the various maps and checks.

Returns

returns a uint32 containing a hash function that represents the object.

Reimplemented from PyRep.

Definition at line 192 of file PyRep.cpp.

References LONG_BIT_PyLong_SHIFT, mValue, and PyLong_MASK.

{
#define PyLong_SHIFT    15
#define PyLong_BASE     (1 << PyLong_SHIFT)
#define PyLong_MASK     ((int)(PyLong_BASE - 1))

#define LONG_BIT_PyLong_SHIFT    (8*sizeof(long) - PyLong_SHIFT)

    long x=0;
    int i=8, sign=1;

    /* This is designed so that Python ints and longs with the
    same value hash to the same value, otherwise comparisons
    of mapping keys will turn out weird */
    if (i < 0 ) {
        sign = -1;
        i = -(i);
    }
    /* The following loop produces a C long x such that (unsigned long)x
    is congruent to the absolute value of v modulo ULONG_MAX.  The
    resulting x is nonzero if and only if v is. */
    while( --i >= 0 ) {
        /* Force a native long #-bits (32 or 64) circular shift */
        x = ((x << PyLong_SHIFT) & ~PyLong_MASK) | ((x >> LONG_BIT_PyLong_SHIFT) & PyLong_MASK);
        x += ((uint8*)&mValue)[i];// v->ob_digit[i];
        /* If the addition above overflowed (thinking of x as
        unsigned), we compensate by incrementing.  This preserves
        the value modulo ULONG_MAX. */
        if ((unsigned long)x < ((uint8*)&mValue)[i] )//v->ob_digit[i])
            x++;
    }
    x = x * sign;
    if (x == -1 )
        x = -2;
    return x;

#undef PyLong_SHIFT
#undef PyLong_BASE
#undef PyLong_MASK

#undef LONG_BIT_PyLong_SHIFT
}

PyLong& PyLong::operator= ( const PyLong &  oth )

delete

PyLong& PyLong::operator= ( PyLong &&  oth )

delete

int64 PyLong::value ( ) const

inline

Definition at line 278 of file PyRep.h.

References mValue.

Referenced by PyRep::IntegerValue(), PyRep::IntegerValueU32(), MarshalStream::SaveVarInteger(), PyDumpVisitor::VisitLong(), and MarshalStream::VisitPackedRow().

{ return mValue; }

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bool PyLong::visit ( PyVisitor &  v ) const

virtual

Visits object.

Parameters

[in]

v

Visitor to be used for visiting.

Return values

true	Visit successful.
false	Error during visit.

Implements PyRep.

Definition at line 187 of file PyRep.cpp.

References PyVisitor::VisitLong().

{
    return v.VisitLong( this );
}

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Member Data Documentation

const int64 PyLong::mValue

protected

Definition at line 284 of file PyRep.h.

Referenced by hash(), and value().

---

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

• /backups/local/src/eve/EvEmu_Crucible/src/eve-common/python/PyRep.h
• /backups/local/src/eve/EvEmu_Crucible/src/eve-common/python/PyRep.cpp