Abstract base class for variables. More...

#include <Variable.h>

Inheritance diagram for Variable:

Public Member Functions
	Variable (string cat_, string name_, string title_="", bool is_local=true, bool is_builtin=false, bool is_active=true)

	Variable (const Variable *variable)

virtual ExpressionItem *	copy () const =0

virtual void	set (const ExpressionItem *item)

virtual int	type () const

virtual int	subtype () const

virtual bool	isKnown () const =0

virtual bool	representsPositive (bool=false)

virtual bool	representsNegative (bool=false)

virtual bool	representsNonNegative (bool=false)

virtual bool	representsNonPositive (bool=false)

virtual bool	representsInteger (bool=false)

virtual bool	representsNumber (bool=false)

virtual bool	representsRational (bool=false)

virtual bool	representsReal (bool=false)

virtual bool	representsComplex (bool=false)

virtual bool	representsNonZero (bool=false)

virtual bool	representsEven (bool=false)

virtual bool	representsOdd (bool=false)

virtual bool	representsUndefined (bool=false, bool=false, bool=false)

virtual bool	representsBoolean ()

virtual bool	representsNonMatrix ()

Public Member Functions inherited from ExpressionItem
	ExpressionItem (string cat_, string name_, string title_="", string descr_="", bool is_local=true, bool is_builtin=false, bool is_active=true)

virtual bool	destroy ()

bool	isRegistered () const

void	setRegistered (bool is_registered)
	For internal use.

virtual const string &	name (bool use_unicode=false, bool(can_display_unicode_string_function)(const char , void )=NULL, void can_display_unicode_string_arg=NULL) const

virtual const string &	referenceName () const

virtual const ExpressionName &	preferredName (bool abbreviation=false, bool use_unicode=false, bool plural=false, bool reference=false, bool(can_display_unicode_string_function)(const char , void )=NULL, void can_display_unicode_string_arg=NULL) const

virtual const ExpressionName &	preferredInputName (bool abbreviation=false, bool use_unicode=false, bool plural=false, bool reference=false, bool(can_display_unicode_string_function)(const char , void )=NULL, void can_display_unicode_string_arg=NULL) const

virtual const ExpressionName &	preferredDisplayName (bool abbreviation=false, bool use_unicode=false, bool plural=false, bool reference=false, bool(can_display_unicode_string_function)(const char , void )=NULL, void can_display_unicode_string_arg=NULL) const

virtual const ExpressionName &	getName (size_t index) const

virtual void	setName (const ExpressionName &ename, size_t index=1, bool force=true)

virtual void	setName (string sname, size_t index, bool force=true)

virtual void	addName (const ExpressionName &ename, size_t index=0, bool force=true)

virtual void	addName (string sname, size_t index=0, bool force=true)

virtual size_t	countNames () const

virtual void	clearNames ()

virtual void	clearNonReferenceNames ()

virtual void	removeName (size_t index)

virtual size_t	hasName (const string &sname, bool case_sensitive=true) const

virtual size_t	hasNameCaseSensitive (const string &sname) const

virtual const ExpressionName &	findName (int abbreviation=-1, int use_unicode=-1, int plural=-1, bool(can_display_unicode_string_function)(const char , void )=NULL, void can_display_unicode_string_arg=NULL) const

virtual const string &	title (bool return_name_if_no_title=true, bool use_unicode=false, bool(can_display_unicode_string_function)(const char , void )=NULL, void can_display_unicode_string_arg=NULL) const

virtual void	setTitle (string title_)

virtual const string &	description () const

virtual void	setDescription (string descr_)

virtual const string &	category () const

virtual void	setCategory (string cat_)

virtual bool	hasChanged () const

virtual void	setChanged (bool has_changed)

virtual bool	isLocal () const

virtual bool	setLocal (bool is_local=true, int will_be_active=-1)

virtual bool	isBuiltin () const

virtual bool	isApproximate () const

virtual void	setApproximate (bool is_approx=true)

virtual int	precision () const

virtual void	setPrecision (int prec)

virtual bool	isActive () const

virtual void	setActive (bool is_active)

virtual bool	isHidden () const

virtual void	setHidden (bool is_hidden)

virtual int	refcount () const

virtual void	ref ()

virtual void	unref ()

virtual void	ref (ExpressionItem *o)

virtual void	unref (ExpressionItem *o)

virtual ExpressionItem *	getReferencer (size_t index=1) const

virtual bool	changeReference (ExpressionItem o_from, ExpressionItem o_to)

Additional Inherited Members
Protected Attributes inherited from ExpressionItem
string	scat

string	stitle

string	sdescr

bool	b_local

bool	b_changed

bool	b_builtin

bool	b_approx

bool	b_active

bool	b_registered

bool	b_hidden

bool	b_destroyed

int	i_ref

int	i_precision

vector< ExpressionItem * >	v_refs

vector< ExpressionName >	names