/// <summary>
/// Reads the keywords from file.
/// </summary>
private static void ReadKeyWords()
{
#if MyCode
Keywords = File.ReadAllLines(Compiler.CoreResource.KeyWordsFile).
Select(str => str.Trim()).
ToDictionary(str => str, str => (TypeSymbol)Enum.Parse(typeof(TypeSymbol), str, false));
#elif ModifiedCode
keywordsSymbol = File.ReadAllLines(Compiler.CoreResource.KeyWordsFile).Select(str => str.Trim()).
Select(str => new Symbol { Name = str, Kind = (TypeSymbol)Enum.Parse(typeof(TypeSymbol), str, false) }).
Reverse().Aggregate((one, two) =>
{
two.Next = one;
return two;
});
// this is the old way using modified structure (IEnumerable Symbol) sequence
//List<Symbol> list = File.ReadAllLines(Compiler.CoreResource.KeyWordsFile).Select(str => str.Trim()).
// Select(str => new Symbol { Name = str, Kind = (TypeSymbol)Enum.Parse(typeof(TypeSymbol), str, false) }).ToList();
//keywordsSymbol = list.First();
//Symbol last = list.Aggregate((one, two) => one.Next = two);
#else
TSymbol last = null;
int counter = 0;
using (StreamReader reader = File.OpenText(CompilerLibraryResource.KeyWordsFile))
{
while (!reader.EndOfStream)
{
string key = reader.ReadLine().Trim();
TSymbol symbol = new TSymbol() { Name = key, Next = null, UL = (TypeSymbol)counter };
counter++;
if (Gsymbol == null)
{
Gsymbol = symbol;
}
else
{
last.Next = symbol;
}
last = symbol;
}
}
#endif
}
private TypeSymbol HandleIdentifier()
{
id = CC.ToString();
CI++;
while (CCInLine && (char.IsNumber(CC) || char.IsLetter(CC) || CC == '_'))
{
id += CC;
CI++;
}
TSymbol symAux = TSymbol.FindSymbol(id, AubCompiler.Gsymbol);
if (symAux != null)
{
return symAux.UL;
}
string idUpperCase = id.ToUpper();
G_curr_ID = IdentifierInstruction.FindIdentifer(idUpperCase, gVar);
if (G_curr_ID != null)
{
return TypeSymbol.U_Var;
}
G_curr_ID = IdentifierInstruction.FindIdentifer(idUpperCase, gDefine);
if (G_curr_ID != null)
{
return TypeSymbol.U_VarDefine;
}
G_curr_ID = IdentifierInstruction.FindIdentifer(idUpperCase, gProc);
if (G_curr_ID != null)
{
return TypeSymbol.U_VarProcedure;
}
G_curr_Str = id.ToUpper();
return TypeSymbol.U_UnKown;
}
