public void issue(Token token, int number, params object[] inf)
{
string location = "";
if ( token != null )
location = "(" + (token.begin.number+1).ToString() + "," + (token.begin.position+1).ToString() + ") ";
string message = String.Format(templates[number],inf);
pool.Add("error: " + location + message);
count++;
}
public void fatal(Token token, int number, params object[] inf)
{
issue(token,number,inf);
throw new FatalError();
}
public Token skipUntil(TokenCode stop)
{
Token token;
while (true)
{
token = getToken();
if ( token.code == stop ) break;
if ( token.code == TokenCode.EOF ) errors.fatal(token,10);
forget();
}
current = token;
return token;
}
public Token get()
{
if ( current == null ) current = getToken();
return current;
}
public void forget()
{
current = null;
}
public Lexer(Source source, Errors errors)
{
this.source = source;
this.errors = errors;
this.current = null;
}