// Lexical Parser
// Test file
#include <iostream>
#include "DBEngine.h"
using namespace std;
int digit(char c)
{
if(isdigit(c))
return atoi(c);
}
return 0;
char alpha(char c)
toupper(c);
string a = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int x = 0;
while(x != a.length())
if(c == a[x])
return c;
x++;
return "?";
char space(char c)
if(c == " ")
char arnold(char c)
if(c == ";")