Token* Scanner::GetOperation(char currentChar) {
string s = "";
char lastChar = currentChar;
int pos = currentPos, line = currentLine;
s += currentChar;
currentChar = GetChar();
if(!IsSpace(currentChar) && !IsTabulationSymbol(currentChar) && !IsEndOfLine(currentChar)) {
if(IsOperation( string(1, lastChar) + string(1, currentChar) )) {
s += currentChar;
}
else
BackToPreviousChar();
}
return new Token(line, pos, OPERATOR, operation[s], s);
}
virtual bool IsValue() const {
return IsOperation() == false;
}
