UserFunctionNode Class Reference

An expression node able to compute a function value. More...

#include <user.h>

Inheritance diagram for UserFunctionNode:

Collaboration diagram for UserFunctionNode:

Public Member Functions
	UserFunctionNode (UserFunction *function, ExpressionNode *parameter)
Number *	Evaluate ()
SyntaxNode *	GetNext ()
void	Attach (SyntaxNode *node)
void	Detach (SyntaxNode *node)
void	Replace (SyntaxNode *n, SyntaxNode *x)
Public Member Functions inherited from FunctionNode
	FunctionNode (ExpressionNode *expression, char *text, char *sys)
	~FunctionNode ()
int	GetPrecedence ()
char *	GetText ()
Public Member Functions inherited from ExpressionNode
	ExpressionNode ()
	ExpressionNode (Number *value)
virtual	~ExpressionNode ()
NodeType	GetNodeType ()
virtual bool	IsSilent ()
char *	GetTextCode ()
char *	Execute ()
Public Member Functions inherited from SyntaxNode
	SyntaxNode ()
virtual	~SyntaxNode ()
void	SetFirstNode ()
bool	GetFirstNode () const
SyntaxNode *	GetParent () const
void	SetParent (SyntaxNode *node)
virtual ReductionType	GetReductionType ()
virtual void	ResetIterator ()

Protected Member Functions
char *	GetNodeText ()

Private Attributes
UserFunction *	function

Additional Inherited Members
Protected Attributes inherited from FunctionNode
ExpressionNode *	expression
char *	name
char *	sysname
Protected Attributes inherited from ExpressionNode
Number *	result
Protected Attributes inherited from SyntaxNode
CharBuffer *	output
SyntaxNode *	parent
SyntaxNode *	iterator
bool	leftBottom

Detailed Description

An expression node able to compute a function value.

Definition at line 40 of file user.h.

Constructor & Destructor Documentation

UserFunctionNode()

UserFunctionNode::UserFunctionNode	(	UserFunction *	function,
		ExpressionNode *	parameter
	)

Definition at line 33 of file user.cpp.

References function, and FunctionNode::FunctionNode().

Referenced by FunctionList::GetFunctionCall().

                                                                                    :
    FunctionNode(parameter, nullptr, nullptr), function(function)
{
}

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Member Function Documentation

Attach()

void UserFunctionNode::Attach ( SyntaxNode *  node )

virtual

Reimplemented from FunctionNode.

Definition at line 61 of file user.cpp.

{
    // TODO: Implement Attach in UserFunctionNode
}

Detach()

void UserFunctionNode::Detach ( SyntaxNode *  node )

virtual

Reimplemented from FunctionNode.

Definition at line 66 of file user.cpp.

{
    // TODO: Implement Detach in UserFunctionNode
}

Evaluate()

Number * UserFunctionNode::Evaluate ( )

virtual

Implements ExpressionNode.

Definition at line 43 of file user.cpp.

References Variable::AssignValue(), ExpressionNode::Evaluate(), FunctionNode::expression, function, UserFunction::GetExpression(), and UserFunction::GetVariable().

{
    // Set value of function parameter and then evaluate function.
    function->GetVariable()->AssignValue(expression->Evaluate());
    return function->GetExpression()->Evaluate();
}

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GetNext()

SyntaxNode * UserFunctionNode::GetNext ( )

virtual

Reimplemented from FunctionNode.

Definition at line 50 of file user.cpp.

References function, UserFunction::GetExpression(), and SyntaxNode::iterator.

{
    if (iterator == nullptr)
    {
        iterator = function->GetExpression();
        return iterator;
    }

    return nullptr;
}

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GetNodeText()

char * UserFunctionNode::GetNodeText ( )

protectedvirtual

Reimplemented from FunctionNode.

Definition at line 38 of file user.cpp.

References function, and UserFunction::GetName().

{
    return function->GetName();
}

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Replace()

void UserFunctionNode::Replace ( SyntaxNode *  n, SyntaxNode *  x  )

virtual

Reimplemented from FunctionNode.

Definition at line 71 of file user.cpp.

{
    // TODO: Implement Replace in UserFunctionNode
}

Member Data Documentation

function

UserFunction* UserFunctionNode::function

private

Definition at line 54 of file user.h.

Referenced by Evaluate(), GetNext(), GetNodeText(), and UserFunctionNode().

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

• src/main/function/user.h
• src/main/function/user.cpp