public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '-')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token {
Type = TokenType.OpDec, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
else if (pInput.CurrentSymbol == '=')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token {
Type = TokenType.OpAssigSub, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
else
{
return(new Token {
Type = TokenType.OpSub, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '>')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateRightShift2().ProcessState(pInput, pLexeme));
//return new Token { Type = TokenType.OpRightShiftZeroFill, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column };
}
else if (pInput.CurrentSymbol == '=')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token
{
Type = TokenType.OpAssigRightShift,
LexemeVal = pLexeme.Value,
Row = pInput.Row,
Column = pInput.Column
});
}
else
{
return(new Token {
Type = TokenType.OpRightShift, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '/')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateCommentLine().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '*')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateCommentBlock1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '=')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token {
Type = TokenType.OpAssigDiv, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
else
{
return(new Token {
Type = TokenType.OpDiv, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (char.IsLetter(pInput.CurrentSymbol) || pInput.CurrentSymbol == '_' || char.IsDigit(pInput.CurrentSymbol))
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateId().ProcessState(pInput, pLexeme));
}
else
{
if (!KeyWords.Contains(pLexeme.Value))
{
return(new Token {
Type = TokenType.Id, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
else
{
return(new Token {
Type = KeyWords.GetTokenType(pLexeme.Value), LexemeVal = pLexeme.Value,
Row = pInput.Row, Column = pInput.Column
});
}
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '/' || pInput.CurrentSymbol == '\r')
{
//pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
//return new Token { Type = TokenType.COMMENT_BLOCK, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column };
return(new InitialState().ProcessState(pInput, pLexeme = new Lexeme()));
}
else
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateCommentBlock1().ProcessState(pInput, pLexeme));
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '*')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateCommentBlock2().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == (char)0)
{
throw new LexerException("Lexical Error: Was expected */', Row: " + pInput.Column + ", Column: " + pInput.CurrentColumn);
}
else
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateCommentBlock1().ProcessState(pInput, pLexeme));
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (char.IsDigit(pInput.CurrentSymbol))
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateFloat2().ProcessState(pInput, pLexeme));
}
else
{
throw new LexerException("Symbol: " + pInput.CurrentSymbol + " is not a number, a number was expected, Row: " + pInput.Row + ", Column: " + pInput.CurrentColumn);
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (char.IsDigit(pInput.CurrentSymbol))
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateDigit().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '.')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateFloat1().ProcessState(pInput, pLexeme));
}
else
{
return(new Token {
Type = TokenType.LitInteger, LexemeVal = pLexeme.Value,
Column = pInput.Column, Row = pInput.Row
});
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '=')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token {
Type = TokenType.OpLessEqualThan, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
else if (pInput.CurrentSymbol == '<')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateLeftShift().ProcessState(pInput, pLexeme));
}
else
{
return(new Token {
Type = TokenType.OpLessThan, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '=')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateEquiv().ProcessState(pInput, pLexeme));
}
else
{
return(new Token {
Type = TokenType.OpAssig, LexemeVal = pLexeme.Value, Column = pInput.Column, Row = pInput.Row
});
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
if (pInput.CurrentSymbol == '\\')
{
//pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
if (pInput.CurrentSymbol == '\'')
{
pLexeme.addSymbol('\'');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '\"')
{
pLexeme.addSymbol('\"');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '\\')
{
pLexeme.addSymbol('\\');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == 'n')
{
pLexeme.addSymbol('\n');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == 'r')
{
pLexeme.addSymbol('\r');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == 't')
{
pLexeme.addSymbol('\t');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == 'b')
{
pLexeme.addSymbol('\b');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == 'f')
{
pLexeme.addSymbol('\f');
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else
{
throw new LexerException("Symbol: " + pInput.CurrentSymbol + " not recognized");
}
}
else if (pInput.CurrentSymbol == (char)0)
{
throw new LexerException("Lexical Error: Was expected \', Row: " + pInput.Column + ", Column: " + pInput.CurrentColumn);
}
else if (pInput.CurrentSymbol == '\'')
{
//pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token {
Type = TokenType.LitString, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
else
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
}
public Token ProcessState(InputStream pInput, Lexeme pLexeme)
{
pInput.CtrlNewToken = true;
if (char.IsLetter(pInput.CurrentSymbol) || pInput.CurrentSymbol == '_')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateId().ProcessState(pInput, pLexeme));
}
else if (PunctuationMarks.Contains(pInput.CurrentSymbol))
{
var _token = PunctuationMarks.GetTokenType(pInput.CurrentSymbol);
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token {
Type = _token, LexemeVal = pLexeme.Value, Row = pInput.Row, Column = pInput.Column
});
}
else if (pInput.CurrentSymbol == '~')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token
{
Type = TokenType.OpNotBit,
LexemeVal = pLexeme.Value,
Row = pInput.Row,
Column = pInput.Column
});
}
else if (pInput.CurrentSymbol == '?')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new Token
{
Type = TokenType.OpTernary,
LexemeVal = pLexeme.Value,
Row = pInput.Row,
Column = pInput.Column
});
}
else if (pInput.CurrentSymbol == '^')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateBitwiseXOr().ProcessState(pInput, pLexeme));
}
else if (char.IsDigit(pInput.CurrentSymbol))
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateDigit().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '=')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateAssig().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '+')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateSum().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '-')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateSub().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '*')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateMul().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '%')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateMod().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '!')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateNot().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '<')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateLessThan().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '>')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateGreaterThan().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '&')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateAnd().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '|')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateOr().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '/')
{
pLexeme.addSymbol(pInput.CurrentSymbol);
pInput.ConsumeSymbol();
return(new StateDiv().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '\'')
{
pInput.ConsumeSymbol();
return(new StateString1().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == '\"')
{
pInput.ConsumeSymbol();
return(new StateString2().ProcessState(pInput, pLexeme));
}
else if (char.IsWhiteSpace(pInput.CurrentSymbol) || pInput.CurrentSymbol == '\n' ||
pInput.CurrentSymbol == '\r' || pInput.CurrentSymbol == '\t')
{
pInput.ConsumeSymbol();
return(new InitialState().ProcessState(pInput, pLexeme));
}
else if (pInput.CurrentSymbol == (char)0)
{
return(new Token {
Type = TokenType.Eof, LexemeVal = "", Row = pInput.Row, Column = pInput.Column
});
}
else
{
throw new LexerException("Symbol: " + pInput.CurrentSymbol + " not recognized");
}
}