ErrorNode Class Reference

Represents an error message encapsulated in a syntax tree. More...

#include <nodes.h>

Inheritance diagram for ErrorNode:

Collaboration diagram for ErrorNode:

Public Member Functions
	ErrorNode (const char *input, int pos)
	ErrorNode (const char *input, const char *message, const char *parameter, int pos)
virtual	~ErrorNode ()
NodeType	GetNodeType ()
SyntaxNode *	GetNext ()
char *	GetTextCode ()
char *	Execute ()
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 ()

Static Private Member Functions
static void	StrCopyVisible (char *destination, const char *source)

Private Attributes
char *	message
char *	input
int	pos

Additional Inherited Members
Protected Attributes inherited from SyntaxNode
CharBuffer *	output
SyntaxNode *	parent
SyntaxNode *	iterator
bool	leftBottom

Detailed Description

Represents an error message encapsulated in a syntax tree.

Definition at line 123 of file nodes.h.

Constructor & Destructor Documentation

ErrorNode() [1/2]

ErrorNode::ErrorNode	(	const char *	input,
		int	pos
	)

Definition at line 147 of file nodes.cpp.

References AllocAndCopy(), input, message, pos, StrCopyVisible(), StrLen(), and SyntaxNode::SyntaxNode().

Referenced by Parser::Parse(), and Parser::TryParseStatement().

                                               :
    SyntaxNode(), pos(pos)
{
    char* temp = HELPSYNTAX;
    this->input = new char[StrLen(input) + 1];
    StrCopyVisible(this->input, input);
    AllocAndCopy(&this->message, temp);
}

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ErrorNode() [2/2]

ErrorNode::ErrorNode	(	const char *	input,
		const char *	message,
		const char *	parameter,
		int	pos
	)

Definition at line 133 of file nodes.cpp.

References AllocAndCopy(), CharBuffer::Append(), CharBuffer::CharBuffer(), CharBuffer::EnsureSize(), CharBuffer::GetString(), input, message, pos, StrCopyVisible(), StrLen(), and SyntaxNode::SyntaxNode().

Referenced by Parser::ParseDigistStatement(), Parser::ParseFileStatement(), Parser::ParseFunctionDef(), Parser::ParseIdent(), and Parser::ParseNumeralStatement().

                                                                                           :
    SyntaxNode(), pos(pos)
{
    this->input = new char[StrLen(input) + 1];
    StrCopyVisible(this->input, input);

    CharBuffer* temp = new CharBuffer();
    temp->EnsureSize(StrLen(message) + StrLen(parameter) + 1);
    temp->Append(message);
    temp->Append(parameter);
    AllocAndCopy(&this->message, temp->GetString());
    delete temp;
}

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~ErrorNode()

ErrorNode::~ErrorNode ( )

virtual

Definition at line 156 of file nodes.cpp.

References input, and message.

{
    delete [] input;
    delete [] message;
}

Member Function Documentation

Attach()

void ErrorNode::Attach ( SyntaxNode *  node )

virtual

Implements SyntaxNode.

Definition at line 203 of file nodes.cpp.

{
}

Detach()

void ErrorNode::Detach ( SyntaxNode *  node )

virtual

Implements SyntaxNode.

Definition at line 207 of file nodes.cpp.

{
}

Execute()

char * ErrorNode::Execute ( )

virtual

Implements SyntaxNode.

Definition at line 173 of file nodes.cpp.

References CharBuffer::Append(), CharBuffer::ClearAndAlloc(), CharBuffer::Empty(), CharBuffer::GetString(), input, message, SyntaxNode::output, pos, and StrLen().

{
    output->ClearAndAlloc(StrLen(message) + StrLen(input) + pos + 1 + StrLen(NEWLINE) * 3 + 1);
    output->Empty();
    output->Append(message);
    output->Append(NEWLINE);
    output->Append(input);
    output->Append(NEWLINE);
    output->Append(' ', pos);
    output->Append('^');
    output->Append(NEWLINE);

    return output->GetString();
}

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GetNext()

SyntaxNode * ErrorNode::GetNext ( )

virtual

Implements SyntaxNode.

Definition at line 198 of file nodes.cpp.

{
    return nullptr;
}

GetNodeType()

NodeType ErrorNode::GetNodeType ( )

virtual

Implements SyntaxNode.

Definition at line 162 of file nodes.cpp.

References othernodetype.

{
    return othernodetype;
}

GetTextCode()

char * ErrorNode::GetTextCode ( )

virtual

Implements SyntaxNode.

Definition at line 167 of file nodes.cpp.

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

Replace()

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

virtual

Implements SyntaxNode.

Definition at line 211 of file nodes.cpp.

{
}

StrCopyVisible()

void ErrorNode::StrCopyVisible ( char *  destination, const char *  source  )

staticprivate

Definition at line 188 of file nodes.cpp.

Referenced by ErrorNode().

{
    while (*source != '\0' && *source >= 32 && *source <= 126)
    {
        *destination++ = *source++;
    }

    *destination = '\0';
}

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Member Data Documentation

input

char* ErrorNode::input

private

Definition at line 141 of file nodes.h.

Referenced by ErrorNode(), Execute(), and ~ErrorNode().

message

char* ErrorNode::message

private

Definition at line 140 of file nodes.h.

Referenced by ErrorNode(), Execute(), and ~ErrorNode().

pos

int ErrorNode::pos

private

Definition at line 142 of file nodes.h.

Referenced by ErrorNode(), and Execute().

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

• src/main/nodes.h
• src/main/nodes.cpp