public static List <Statement> Lex(string[] data)
{
int curStatement = 0;
int curExpression = 0;
List <Statement> stats = new List <Statement>();
stats.Add(new Statement(curStatement));
curStatement++;
for (int x = 0; x < data.Length; x++)
{
ExpressionData expdat = getExpression(data, x, curExpression);
curExpression = expdat.curExpression;
x = expdat.x;
stats[curStatement - 1].Expressions.Add(expdat.exp);
if (x < data.Length - 1 && stats[curStatement - 1].Expressions[stats[curStatement - 1].Expressions.Count - 1].DIR == Directive.Dendl || stats[curStatement - 1].Expressions[stats[curStatement - 1].Expressions.Count - 1].Nested.Count > 0)
{
stats.Add(new Statement(curStatement));
curStatement++;
}
}
return(stats);
}
private static ExpressionData getExpression(string[] data, int x, int curExpression)
{
ExpressionData expdat = new ExpressionData();
expdat.curExpression = curExpression;
expdat.x = x;
expdat.exp = new Expression(-4, Directive.Dneq, new Byte[0]);
switch (data[x])
{
case "+":
expdat.exp = (new Expression(curExpression, Directive.Dadd, new Byte[0]));
expdat.curExpression++;
break;
case "-":
expdat.exp = (new Expression(curExpression, Directive.Dsub, new Byte[0]));
expdat.curExpression++;
break;
case "*":
expdat.exp = new Expression(curExpression, Directive.Dmul, new Byte[0]);
expdat.curExpression++;
break;
case "/":
expdat.exp = new Expression(curExpression, Directive.Ddiv, new Byte[0]);
expdat.curExpression++;
break;
case "^":
expdat.exp = new Expression(curExpression, Directive.Dpow, new Byte[0]);
expdat.curExpression++;
break;
case "@":
expdat.exp = new Expression(curExpression, Directive.Drot, new Byte[0]);
expdat.curExpression++;
break;
case "%":
expdat.exp = new Expression(curExpression, Directive.Dmod, new Byte[0]);
expdat.curExpression++;
break;
case "=":
expdat.exp = new Expression(curExpression, Directive.Dasn, new Byte[0]);
expdat.curExpression++;
break;
case "==":
expdat.exp = new Expression(curExpression, Directive.Deq, new Byte[0]);
expdat.curExpression++;
break;
case "!=":
expdat.exp = (new Expression(curExpression, Directive.Dneq, new Byte[0]));
expdat.curExpression++;
break;
case "<=":
expdat.exp = (new Expression(curExpression, Directive.Dlteq, new Byte[0]));
expdat.curExpression++;
break;
case ">=":
expdat.exp = (new Expression(curExpression, Directive.Dgteq, new Byte[0]));
expdat.curExpression++;
break;
case "<":
expdat.exp = (new Expression(curExpression, Directive.Dlt, new Byte[0]));
expdat.curExpression++;
break;
case ">":
expdat.exp = (new Expression(curExpression, Directive.Dgt, new Byte[0]));
expdat.curExpression++;
break;
case "&&":
expdat.exp = (new Expression(curExpression, Directive.Dand, new Byte[0]));
expdat.curExpression++;
break;
case "||":
expdat.exp = (new Expression(curExpression, Directive.Dor, new Byte[0]));
expdat.curExpression++;
break;
case "^^":
expdat.exp = (new Expression(curExpression, Directive.Dxor, new Byte[0]));
expdat.curExpression++;
break;
case "if":
expdat.exp = (new Expression(curExpression, Directive.Dif, new Byte[0]));
expdat.curExpression++;
break;
case "else":
expdat.exp = (new Expression(curExpression, Directive.Delse, new Byte[0]));
expdat.curExpression++;
break;
case "elif":
expdat.exp = (new Expression(curExpression, Directive.Delif, new Byte[0]));
expdat.curExpression++;
break;
case "while":
expdat.exp = (new Expression(curExpression, Directive.Dwhile, new Byte[0]));
expdat.curExpression++;
break;
case "dowhile":
expdat.exp = (new Expression(curExpression, Directive.Ddowhile, new Byte[0]));
expdat.curExpression++;
break;
case "for":
expdat.exp = (new Expression(curExpression, Directive.Dfor, new Byte[0]));
expdat.curExpression++;
break;
case "foreach":
expdat.exp = (new Expression(curExpression, Directive.Dforeach, new Byte[0]));
expdat.curExpression++;
break;
case ";":
expdat.exp = (new Expression(curExpression, Directive.Dendl, new Byte[0]));
expdat.curExpression++;
break;
case ":":
expdat.exp = (new Expression(curExpression, Directive.Dcol, new Byte[0]));
expdat.curExpression++;
break;
case "switch":
expdat.exp = (new Expression(curExpression, Directive.Dswitch, new Byte[0]));
expdat.curExpression++;
break;
case "break":
expdat.exp = (new Expression(curExpression, Directive.Dbreak, new Byte[0]));
expdat.curExpression++;
break;
case "return":
expdat.exp = (new Expression(curExpression, Directive.Dreturn, new Byte[0]));
expdat.curExpression++;
break;
case "func":
expdat.exp = (new Expression(curExpression, Directive.Dfunc, new Byte[0]));
expdat.curExpression++;
break;
case "true":
expdat.exp = (new Expression(curExpression, Directive.Dbol, BitConverter.GetBytes(true)));
expdat.curExpression++;
break;
case "false":
expdat.exp = (new Expression(curExpression, Directive.Dbol, BitConverter.GetBytes(false)));
expdat.curExpression++;
break;
case "void":
expdat.exp = (new Expression(curExpression, Directive.Dvoi, new Byte[0]));
expdat.curExpression++;
break;
default:
if (data[x][0].ToString() == "\"" && data[x][data[x].Length - 1].ToString() == "\"")
{
expdat.exp = (new Expression(curExpression, Directive.Dbol, Encoding.ASCII.GetBytes(string.Join("", data[x].Skip(1).Take(data[x].Length - 2).ToArray()))));
expdat.curExpression++;
}
else if (isNumeric(data[x]))
{
switch (determineBestNumericDataType(data[x]))
{
case DataType.DTsho:
expdat.exp = (new Expression(curExpression, Directive.Dsho, BitConverter.GetBytes(Convert.ToInt16(data[x]))));
expdat.curExpression++;
break;
case DataType.DTint:
expdat.exp = (new Expression(curExpression, Directive.Dint, BitConverter.GetBytes(Convert.ToInt32(data[x]))));
expdat.curExpression++;
break;
case DataType.DTlon:
expdat.exp = (new Expression(curExpression, Directive.Dlon, BitConverter.GetBytes(Convert.ToInt64(data[x]))));
expdat.curExpression++;
break;
case DataType.DTflo:
expdat.exp = (new Expression(curExpression, Directive.Dflo, BitConverter.GetBytes((float)Convert.ToDouble(data[x]))));
expdat.curExpression++;
break;
case DataType.DTdob:
expdat.exp = (new Expression(curExpression, Directive.Ddob, BitConverter.GetBytes(Convert.ToDouble(data[x]))));
expdat.curExpression++;
break;
case DataType.DTdec:
expdat.exp = (new Expression(curExpression, Directive.Dsho, IFE.BitconverterExt.GetBytes(Convert.ToDecimal(data[x]))));
expdat.curExpression++;
break;
}
}
else
{
expdat.exp = (new Expression(curExpression, Directive.Dvar, Encoding.ASCII.GetBytes(data[x])));
expdat.curExpression++;
}
break;
}
if (x < data.Length - 1 && data[x + 1] == "(")
{
int[][] positions = GetArgumentPositions(data, x);
for (int y = 0; y < positions.Length - 1; y++)
{
expdat.exp.Arguments.Add(new List <Expression>());
for (int z = 0; z < positions[y].Length; z++)
{
expdat.exp.Arguments[y].Add(getExpression(data, positions[y][z], expdat.curExpression).exp);
expdat.curExpression++;
}
}
x = positions[positions.Length - 1][positions[positions.Length - 1].Length - 1] - 1;
}
if (x < data.Length - 1 && data[x + 1] == "[")
{
int[][] positions = GetArgumentPositions(data, x);
for (int y = 0; y < positions.Length - 1; y++)
{
expdat.exp.Indices.Add(new List <Expression>());
for (int z = 0; z < positions[y].Length; z++)
{
expdat.exp.Indices[y].Add(getExpression(data, positions[y][z], expdat.curExpression).exp);
expdat.curExpression++;
}
}
x = positions[positions.Length - 1][positions[positions.Length - 1].Length - 1] - 1;
}
if (x < data.Length - 1 && data[x + 1] == "{")
{
int[][] positions = GetArgumentPositions(data, x);
expdat.exp.Nested.AddRange(Lex(data.Skip(positions[0][0]).Take(positions[positions.Length - 1][positions[positions.Length - 1].Length - 1]).ToArray()));
x = positions[positions.Length - 1][positions[positions.Length - 1].Length - 1] - 1;
}
expdat.x = x;
return(expdat);
}
