private StringBuilder StateEmpty(Ctype ctype, in char cc, StringBuilder sb)
private StringBuilder ProcessCharacter(int c, char cc, StringBuilder sb)
{
if (c == 10)
{
if (_state == State.LineComment)
{
_state = State.Empty;
}
sb = _state switch
{
State.Empty => StateEmpty(Ctype.Whitespace, cc, sb),
State.LiteralInt => StateLiteralInt(Ctype.Whitespace, cc, sb),
State.Control => StateControl(Ctype.Whitespace, cc, sb),
State.Name => StateName(Ctype.Whitespace, cc, sb),
_ => sb
};
_line++;
_pos = 0;
return(sb);
}
// Switch for states that should not be handled based on character type
// ReSharper disable once SwitchStatementMissingSomeEnumCasesNoDefault
switch (_state)
{
case State.LineComment:
return(sb);
case State.BlockComment:
if (_lastStar && cc == '/')
{
_state = State.Empty;
}
_lastStar = cc == '*';
_pos++;
return(sb);
case State.Escaped:
sb = AddToString(sb, cc);
_state = State.LiteralString;
_pos++;
return(sb);
case State.LiteralString:
_pos++;
switch (cc)
{
case '\\':
_state = State.Escaped;
break;
case '"':
_state = State.Empty;
_tokenParser.ParseToken(new Token(TokenType.String, _line, _pos, sb.ToString()));
sb = new StringBuilder();
break;
default:
sb.Append(cc);
break;
}
return(sb);
default:
if (cc == '"')
{
_pos++;
sb = StartString(sb);
return(sb);
}
break;
}
Ctype ctype = CharacterType(c);
sb = _state switch
{
State.Empty => StateEmpty(ctype, cc, sb),
State.LiteralInt => StateLiteralInt(ctype, cc, sb),
State.Control => StateControl(ctype, cc, sb),
State.Name => StateName(ctype, cc, sb),
_ => sb
};
_pos++;
return(sb);
}
