private LexicalAnalyzer setLines(LexicalAnalyzer lex)
{
for (int ctr = 0; ctr < lex.tokens.Count; ctr++)
{
for (int i = 0; i < lex.linetokens.Count; i++)
{
if (ctr + 1 <= lex.linetokens[i])
{
lex.tokens[ctr].setLines(i + 1);
break;
}
}
}
return(lex);
}
public LexicalAnalyzer Start(string code, LexicalAnalyzer lex)
{
Tokens t = new Tokens();
while (!code.Equals(""))
{
if (lex.isSpace(code, toks))
{
code = code.Remove(0, lex.ctra);
toks--;
}
else if (lex.ReservedWords(code))
{
code = code.Remove(0, lex.ctra);
}
else if (lex.Comment(code))
{
code = code.Remove(0, lex.ctra);
}
else if (lex.ReservedSymbols(code))
{
code = code.Remove(0, lex.ctra);
}
else if (lex.hasLiterals(code))
{
code = code.Remove(0, lex.ctra);
}
else if (lex.hasIdentifier(code))
{
code = code.Remove(0, lex.ctra);
}
else
{
t = new Tokens();
if (lex.choice != 0)
{
switch (lex.choice)
{
case 1:
lex.ctra = GetCtr(code, 1);
break;
}
}
if (lex.ctra == 0 && code.Length != 1)
{
lex.ctra = GetCtr(code);
}
else if (lex.ctra == 0 && code.Length == 1)
{
lex.ctra = 1;
}
else if (lex.ctra >= code.Length)
{
lex.ctra = code.Length;
}
t.setTokens("INVALID");
t.setLexemes(code.Substring(0, lex.ctra));
lex.tokens.Add(t);
code = code.Remove(0, lex.ctra);
}
toks++;
}
lex.linetokens.Add(toks);
lex = setLines(lex);
return(lex);
}
//INITIALIZATION
public LexicalAnalyzer InitializeAnalyzer(string txt, LexicalAnalyzer lex)
{
Boolean hastoken = false;
Tokens t = new Tokens();
//txt = txt.TrimStart();
lex.token.Clear();
lex.invalid = 0;
lex.valid = 0;
while (txt != "")
{
if (hastoken = lex.GetTokenLines(txt, tokens))
{
txt = txt.Remove(0, lex.ctr);
tokens--;
}
else if (hastoken = lex.GetReservedWords(txt))
{
txt = txt.Remove(0, lex.ctr);
}
else if (hastoken = lex.GetReservedSymbols(txt))
{
txt = txt.Remove(0, lex.ctr);
}
else if (hastoken = lex.GetLiterals(txt))
{
txt = txt.Remove(0, lex.ctr);
}
else if (hastoken = lex.GetIdentifiers(txt))
{
txt = txt.Remove(0, lex.ctr);
}
else
{
t = new Tokens();
lex.invalid++;
// lex.token.Add("INVALID");
if (lex.state != 0)
{
switch (lex.state)
{
case 1:
lex.ctr = GetCtr(txt, 1);
break;
}
}
if (lex.ctr == 0 && txt.Length != 1)
{
lex.ctr = GetCtr(txt);
}
else if (lex.ctr == 0 && txt.Length == 1)
{
lex.ctr = 1;
}
else if (lex.ctr >= txt.Length)
{
lex.ctr = txt.Length;
}
t.setTokens("INVALID");
t.setLexemes(txt.Substring(0, lex.ctr));
lex.token.Add(t);
txt = txt.Remove(0, lex.ctr);
}
tokens++;
//txt = txt.TrimStart();
}
lex.linetokens.Add(tokens);
lex = setLines(lex);
return(lex);
}
