/// <summary>
/// Gets Tokens from state till it's index where all "string" cases are excluded
/// </summary>
/// <param name="q">State to get tokens from</param>
/// <returns></returns>
private static List <Token> getNSCData(la.State q, int start = 0)
{
List <Token> ret = new List <Token>();
bool inSC = false;
for (int i = start; i < q.Index; i++)
{
var t = q.data[i];
if (t.t == TType.cas && t.args.First()[1] != ':')
{
continue;
}
if (t.t == TType.cas && t.args.First()[2] == '"')
{
ret.Add(new Token(TType.cas, Enumerable.Repeat("::end", 1)));
inSC = true;
continue;
}
if (inSC && t.t == TType.cas)
{
inSC = false;
if (t.args.First() != "::end")
{
ret.Add(t);
}
continue;
}
if (!inSC)
{
ret.Add(t);
}
}
return(ret);
}
/// <summary>
/// Generates states to check for a certain string in input
/// </summary>
/// <param name="il">ILGenerator of main method</param>
/// <param name="c">Current symbol</param>
/// <param name="arg">String to check</param>
private static void String(ILGenerator il, LocalBuilder c, string query)
{
string arg = query.Substring(1, query.Length - 2);
last = la.Body.curState;
last.skip = true;
la.State t;
for (int i = 0; i < arg.Length - 2; i++)
{
t = new la.State();
t.AddData(new List <Token>()
{
new Token(TType.cas, Enumerable.Repeat(":" + (SCC) + ":" + arg.Substring(0, i + 1), 1))
});
t.AddData(getNSCData(last));
t.AddData(new List <Token>()
{
new Token(TType.cas, Enumerable.Repeat("::'" + arg[i + 1] + "'", 1)),
//new Token(TType.cas,Enumerable.Repeat("!entered "+ i,1)),
new Token(TType.state, Enumerable.Repeat("" + (SCC) + ":" + arg.Substring(0, i + 2), 1)),
new Token(TType.cas, Enumerable.Repeat("::end", 1))
});
statesToFill.Add(new Tuple <la.State, int>(t, last.Index));
}
t = new la.State();
t.AddData(new List <Token>()
{
new Token(TType.cas, Enumerable.Repeat(":" + (SCC) + ":" + arg.Substring(0, arg.Length - 1), 1))
});
t.AddData(getNSCData(last));
t.AddData(new List <Token>()
{
new Token(TType.cas, Enumerable.Repeat("::'" + arg.Last() + "'", 1))
});
tempState = new Tuple <la.State, int>(t, last.Index);
il.Emit(OpCodes.Ldc_I4_S, arg[0]);
il.Emit(OpCodes.Ldloc, c);
il.Emit(OpCodes.Ceq);
ReadingSC = true;
SCS = arg[0];
}
