StatementNode Class Reference

Base class for all statements in a syntax tree. More...

#include <node.h>

Inheritance diagram for StatementNode:

Collaboration diagram for StatementNode:

Public Member Functions
	StatementNode ()
	StatementNode (const char *text)
virtual	~StatementNode ()
NodeType	GetNodeType ()
virtual SyntaxNode *	GetNext ()
virtual char *	GetTextCode ()
virtual char *	Execute ()=0
void	Attach (SyntaxNode *node)
void	Detach (SyntaxNode *node)
void	Replace (SyntaxNode *n, SyntaxNode *x)
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 Attributes
char *	statementText
Protected Attributes inherited from SyntaxNode
CharBuffer *	output
SyntaxNode *	parent
SyntaxNode *	iterator
bool	leftBottom

Detailed Description

Base class for all statements in a syntax tree.

Definition at line 40 of file node.h.

Constructor & Destructor Documentation

StatementNode() [1/2]

StatementNode::StatementNode

(

)

Definition at line 34 of file node.cpp.

References AllocAndCopy(), statementText, and SyntaxNode::SyntaxNode().

Referenced by AboutStatement::AboutStatement(), ClearStatement::ClearStatement(), DeleteStatement::DeleteStatement(), DigitsStatement::DigitsStatement(), DrawStatement::DrawStatement(), EmptyStatement::EmptyStatement(), EvalStatement::EvalStatement(), ExecuteStatement::ExecuteStatement(), ExitStatement::ExitStatement(), FunctionDefinitionNode::FunctionDefinitionNode(), HelpStatement::HelpStatement(), InputStatement::InputStatement(), LicenseStatement::LicenseStatement(), ListFunctionsStatement::ListFunctionsStatement(), ListStatement::ListStatement(), ListVariablesStatement::ListVariablesStatement(), LoadStatement::LoadStatement(), MemoryStatement::MemoryStatement(), OutputStatement::OutputStatement(), PlotStatement::PlotStatement(), PrefsStatement::PrefsStatement(), PromptStatement::PromptStatement(), SaveStatement::SaveStatement(), ShowStatement::ShowStatement(), SilentStatement::SilentStatement(), and VersionStatement::VersionStatement().

                             :
    SyntaxNode()
{
    AllocAndCopy(&statementText, EMPTYSTRING);
}

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StatementNode() [2/2]

StatementNode::StatementNode

(

const char *

text

)

Definition at line 40 of file node.cpp.

References AllocAndCopy(), statementText, and SyntaxNode::SyntaxNode().

                                             :
    SyntaxNode()
{
    AllocAndCopy(&statementText, text);
}

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~StatementNode()

StatementNode::~StatementNode ( )

virtual

Definition at line 46 of file node.cpp.

References statementText.

{
    delete statementText;
}

Member Function Documentation

Attach()

void StatementNode::Attach ( SyntaxNode *  node )

virtual

Implements SyntaxNode.

Reimplemented in SilentStatement, and EvalStatement.

Definition at line 66 of file node.cpp.

{
}

Detach()

void StatementNode::Detach ( SyntaxNode *  node )

virtual

Implements SyntaxNode.

Reimplemented in SilentStatement, and EvalStatement.

Definition at line 70 of file node.cpp.

{
}

Execute()

virtual char* StatementNode::Execute ( )

pure virtual

Implements SyntaxNode.

Implemented in ListVariablesStatement, SilentStatement, EmptyStatement, DeleteStatement, HelpStatement, DigitsStatement, EvalStatement, InputStatement, OutputStatement, PrefsStatement, PromptStatement, AboutStatement, ClearStatement, ExitStatement, FunctionDefinitionNode, ListFunctionsStatement, LicenseStatement, MemoryStatement, VersionStatement, ListStatement, PlotStatement, DrawStatement, ExecuteStatement, LoadStatement, SaveStatement, and ShowStatement.

Referenced by SilentStatement::Execute().

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GetNext()

SyntaxNode * StatementNode::GetNext ( )

virtual

Implements SyntaxNode.

Reimplemented in SilentStatement, and EvalStatement.

Definition at line 61 of file node.cpp.

{
    return nullptr;
}

GetNodeType()

NodeType StatementNode::GetNodeType ( )

virtual

Implements SyntaxNode.

Definition at line 51 of file node.cpp.

References statement.

{
    return statement;
}

GetTextCode()

char * StatementNode::GetTextCode ( )

virtual

Implements SyntaxNode.

Definition at line 56 of file node.cpp.

References statementText.

{
    return statementText;
}

Replace()

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

virtual

Implements SyntaxNode.

Reimplemented in SilentStatement, and EvalStatement.

Definition at line 74 of file node.cpp.

{
}

Member Data Documentation

statementText

char* StatementNode::statementText

protected

Definition at line 55 of file node.h.

Referenced by DrawStatement::Execute(), ClearStatement::Execute(), ExitStatement::Execute(), LicenseStatement::Execute(), AboutStatement::Execute(), VersionStatement::Execute(), PromptStatement::Execute(), DeleteStatement::Execute(), EmptyStatement::Execute(), SilentStatement::Execute(), GetTextCode(), StatementNode(), and ~StatementNode().

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

• src/main/statement/node.h
• src/main/statement/node.cpp