AssignmentNode Class Reference

#include <operators.h>

Inheritance diagram for AssignmentNode:

Collaboration diagram for AssignmentNode:

Public Member Functions
	AssignmentNode (VariableNode *variable, ExpressionNode *expression)
int	GetPrecedence ()
bool	IsSilent ()
Number *	Evaluate ()
Public Member Functions inherited from NumericOperator
	NumericOperator (ExpressionNode *left, ExpressionNode *right)
	~NumericOperator ()
SyntaxNode *	GetNext ()
char *	GetText ()
void	Attach (SyntaxNode *node)
void	Detach (SyntaxNode *node)
void	Replace (SyntaxNode *n, SyntaxNode *x)
Public Member Functions inherited from ExpressionNode
	ExpressionNode ()
	ExpressionNode (Number *value)
virtual	~ExpressionNode ()
NodeType	GetNodeType ()
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
VariableNode *	variable
ExpressionNode *	expression

Additional Inherited Members
Protected Attributes inherited from NumericOperator
ExpressionNode *	left
ExpressionNode *	right
Protected Attributes inherited from ExpressionNode
Number *	result
Protected Attributes inherited from SyntaxNode
CharBuffer *	output
SyntaxNode *	parent
SyntaxNode *	iterator
bool	leftBottom

Detailed Description

Definition at line 180 of file operators.h.

Constructor & Destructor Documentation

AssignmentNode()

AssignmentNode::AssignmentNode	(	VariableNode *	variable,
		ExpressionNode *	expression
	)

Definition at line 572 of file operators.cpp.

References expression, NumericOperator::NumericOperator(), and variable.

Referenced by Parser::ParseIdent().

                                                                                :
    NumericOperator(variable, expression),
    variable(variable), expression(expression)
{
}

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Member Function Documentation

Evaluate()

Number * AssignmentNode::Evaluate ( )

virtual

Implements ExpressionNode.

Definition at line 583 of file operators.cpp.

References VariableNode::AssignValue(), ExpressionNode::Evaluate(), VariableNode::Evaluate(), expression, and variable.

{
    // NOTICE: Assignment does not generate a value itself.
    variable->AssignValue(expression->Evaluate());
    return variable->Evaluate();
}

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GetNodeText()

char * AssignmentNode::GetNodeText ( )

protectedvirtual

Implements ExpressionNode.

Definition at line 595 of file operators.cpp.

{
    static char* ret = (char*)"=";
    return ret;
}

GetPrecedence()

int AssignmentNode::GetPrecedence ( )

virtual

Implements ExpressionNode.

Definition at line 578 of file operators.cpp.

{
    return 6;
}

IsSilent()

bool AssignmentNode::IsSilent ( )

virtual

Reimplemented from ExpressionNode.

Definition at line 590 of file operators.cpp.

{
    return true;
}

Member Data Documentation

expression

ExpressionNode* AssignmentNode::expression

private

Definition at line 193 of file operators.h.

Referenced by AssignmentNode(), and Evaluate().

variable

VariableNode* AssignmentNode::variable

private

Definition at line 192 of file operators.h.

Referenced by AssignmentNode(), and Evaluate().

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

• src/main/operators.h
• src/main/operators.cpp