symbol.h

a basic interpreter free basic

#pragma once
#include "stdafx.h"
#include "Common.h"


/*
 * CSymbol - Class for containing an individual symbol
 */
class CSymbol
{
private:
	// Literal name of the symbol
	string m_Name;
	
	// Type of symbol (variable, vector or matrix)
	symboltype_t m_SymbolType;
	// Floating point value of the variable
	float m_VariableValue;
	// Vector values
	int m_VectorLength;
	float *m_VectorValue;
	int m_VectorSelectedSubscript;

	// Matrix values
	int m_MatrixFirstDimensionLength;
	int m_MatrixSecondDimensionLength;
	float **m_MatrixValue;
	int m_MatrixSelectedFirstDim;
	int m_MatrixSelectedSecondDim;

public:
	// Create a named, typed symbol
	CSymbol(void);
	~CSymbol(void);
	CSymbol(string Name);
	CSymbol(string Name, symboltype_t Type);
	
	// Set a value in an existing matrix
	void Set(float Value);
	// Create a vector from an existing, uninitialized symbol
	void CreateVector(int Dimension);
	// Create a matrix from an existing, uninitialized symbol
	void CreateMatrix(int FirstDimension, int SecondDimension);
	void Set(float Value, int Subscript);
	void Set(float Value, int FirstSubscript, int SecondSubscript);
	// Get the identifier name of the symbol
	string GetName(void);
	// Get a value from a matrix
	float Get(void);
	float Get(int Subscript);
	float Get(int FirstSubscript, int SecondSubscript);
	// Set the subscripts for a matrix
	void SetSubscript(int Dim);
	void SetSubscript(int FirstDim, int SecondDim);
};