private void ReadSignAsID()
{
SymbolQueue.Enqueue(character);
while (true)
{
if ('a' <= (char)Reader.Peek() && 'z' >= (char)Reader.Peek() || 'A' <= (char)Reader.Peek() && 'Z' >= (char)Reader.Peek())
{
SymbolQueue.Enqueue((char)Reader.Peek());
}
else if ('0' <= (char)Reader.Peek() && '9' >= (char)Reader.Peek())
{
SymbolQueue.Enqueue((char)Reader.Peek());
}
else
{
LexicalLabel label = GetLexicalLabel(new string(SymbolQueue.ToArray()));
if (LexicalLabel.PL0_ID == label)
{
VocabularyUnitNext = new IdentifierVocabularyUnit(label, new string(SymbolQueue.ToArray()), Line);
}
else
{
VocabularyUnitNext = new GeneralVocabularyUnit(label, Line);
}
SymbolQueue.Clear();
return;
}
character = (char)Reader.Read();
}
}
public UnsignedNumberVocabularyUnit(LexicalLabel lexicalLabel, uint number, long line) : base(lexicalLabel, line)
{
Number = number;
}
public IdentifierVocabularyUnit(LexicalLabel lexicalLabel, string id, long line) : base(lexicalLabel, line)
{
Identifier = id;
}
public GeneralVocabularyUnit(LexicalLabel lexicalLabel, long line)
{
LexicalLabel = lexicalLabel;
Line = line;
}
