CUnknownVarNode< _CharT, _ValueT > Class Template Reference

A variable node for variables that are not predefined. More...

Inheritance diagram for CUnknownVarNode< _CharT, _ValueT >:

List of all members.

Public Member Functions
	CUnknownVarNode (CMathParser< _CharT, _ValueT > *Parser, const string_t varName)
virtual _ValueT	GetValue ()
	Return the value of the variable by invoking the variable callback function that is registered on the parser instance.
virtual BOOL	IsUsed (void *Addr)
	This method answers the question "Is Variable XYZ used in this part of the expression?".
virtual void	Optimize ()
	Nothing to optimize in this node.
virtual CNode< _ValueT >::NODE_TYPE	GetType ()
	Return CNode::VARIABLE.

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Detailed Description

template<typename _CharT, typename _ValueT>
class CUnknownVarNode< _CharT, _ValueT >

A variable node for variables that are not predefined.

Their values will be provided by the application via callback function.

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Member Function Documentation

template<typename _CharT , typename _ValueT >

virtual void CUnknownVarNode< _CharT, _ValueT >::Optimize

(

)

[inline, virtual]

Nothing to optimize in this node.

A No-op.

Implements CNode< _ValueT >.