FactorialNode Class Reference

#include <operators.h>

Inheritance diagram for FactorialNode:

Collaboration diagram for FactorialNode:

Public Member Functions
	FactorialNode (ExpressionNode *expression)
	~FactorialNode ()
char *	GetText ()
Number *	Evaluate ()
int	GetPrecedence ()
SyntaxNode *	GetNext ()
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 ()
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
ExpressionNode *	expression

Additional Inherited Members
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 85 of file operators.h.

Constructor & Destructor Documentation

FactorialNode()

FactorialNode::FactorialNode

(

ExpressionNode *

expression

)

Definition at line 224 of file operators.cpp.

References expression, and ExpressionNode::ExpressionNode().

Referenced by Parser::ParseAtomic().

                                                       :
    ExpressionNode(), expression(expression)
{
}

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~FactorialNode()

FactorialNode::~FactorialNode

(

)

Definition at line 229 of file operators.cpp.

References expression.

{
    if (expression != nullptr)
    {
        delete expression;
    }
}

Member Function Documentation

Attach()

void FactorialNode::Attach ( SyntaxNode *  node )

virtual

Implements SyntaxNode.

Definition at line 278 of file operators.cpp.

References expression, and SyntaxNode::SetParent().

{
    if (expression == nullptr)
    {
        expression = static_cast<ExpressionNode*>(node);
        node->SetParent(this);
    }
}

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Detach()

void FactorialNode::Detach ( SyntaxNode *  node )

virtual

Implements SyntaxNode.

Definition at line 287 of file operators.cpp.

References expression.

{
    if (expression == node)
    {
        expression = nullptr;
    }
}

Evaluate()

Number * FactorialNode::Evaluate ( )

virtual

Implements ExpressionNode.

Definition at line 255 of file operators.cpp.

References ExpressionNode::Evaluate(), expression, Number::Factorial(), and ExpressionNode::result.

{
    result = expression->Evaluate()->Factorial();
    return result;
}

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GetNext()

SyntaxNode * FactorialNode::GetNext ( )

virtual

Implements SyntaxNode.

Definition at line 267 of file operators.cpp.

References expression, and SyntaxNode::iterator.

{
    if (iterator == nullptr)
    {
        iterator = expression;
        return iterator;
    }

    return nullptr;
}

GetNodeText()

char * FactorialNode::GetNodeText ( )

protectedvirtual

Implements ExpressionNode.

Definition at line 261 of file operators.cpp.

Referenced by GetText().

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

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GetPrecedence()

int FactorialNode::GetPrecedence ( )

virtual

Implements ExpressionNode.

Definition at line 250 of file operators.cpp.

{
    return 9;
}

GetText()

char * FactorialNode::GetText ( )

virtual

Implements ExpressionNode.

Definition at line 237 of file operators.cpp.

References CharBuffer::Append(), CharBuffer::Empty(), CharBuffer::EnsureSize(), expression, GetNodeText(), CharBuffer::GetString(), ExpressionNode::GetText(), SyntaxNode::output, and StrLen().

{
    const char* expText = expression->GetText();
    const char* nodeText = GetNodeText();

    output->Empty();
    output->EnsureSize(StrLen(expText) + StrLen(nodeText) + 1);
    output->Append(expText);
    output->Append(nodeText);

    return output->GetString();
}

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Replace()

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

virtual

Implements SyntaxNode.

Definition at line 295 of file operators.cpp.

References expression.

{
    if (expression == n)
    {
        delete expression;
        expression = static_cast<ExpressionNode*>(x);
    }
}

Member Data Documentation

expression

ExpressionNode* FactorialNode::expression

private

Definition at line 103 of file operators.h.

Referenced by Attach(), Detach(), Evaluate(), FactorialNode(), GetNext(), GetText(), Replace(), and ~FactorialNode().

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

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