static void OldMain(string[] args)
{
System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
watch.Start();
int count = 100000000;
double answer = 0;
watch.Start();
for (int i = 0; i < count; i++)
{
answer = Math.Sqrt(Math.Tan(i));
}
watch.Stop();
Console.WriteLine(watch.ElapsedMilliseconds);
watch.Reset();
watch.Start();
Parallel.For(0, count, (i) => answer = Math.Sqrt(Math.Tan(i)));
watch.Stop();
Console.WriteLine(watch.ElapsedMilliseconds);
Console.ReadKey();
return;
//"var number:int:=.0\nvar text:string:=\"yo yo yo, this shouldn't match a var\""
var file = new System.IO.StreamReader("test.t");
var output = new System.IO.StreamWriter("test.txt");
string input = file.ReadToEnd() + " ";
file.Close();
//Console.WriteLine(input);
var grammar = BuildGrammar();
var lexicalTokens = BuildTSharpLexer();
List <Token> tokens = LexicalAnalyzer(lexicalTokens, input);
PrintLexicalAnalysis(tokens, output);
output.Close();
GrammarTokenMatch.Matches(grammar, lexicalTokens, tokens, 0, tokens.Count, "expression");
//string line = ConvertToCSharpPreDef(LexicalAnalyzer(BuildTSharpLexer(), input));
//Console.WriteLine(line);
//output.WriteLine(line);
Console.WriteLine("==============================================");
Console.WriteLine("done");
Console.ReadKey();
}
static List <GrammarTokenMatch> BuildGrammar()
{
List <GrammarTokenMatch> grammarMatches = new List <GrammarTokenMatch>();
var file = new System.IO.StreamReader("grammar.txt");
while (!file.EndOfStream)
{
string[] line = file.ReadLine().Split('=', ':');
if (line.Length > 0)
{
GrammarTokenMatch match = new GrammarTokenMatch();
match.type = line[0].Trim();
match.precedence = line.Length > 2 ? int.Parse(line[2]) : int.MaxValue;
match.matches = line[1].Split(' ').Select((x) => x.Trim()).Where((x) => x != "").ToArray();
grammarMatches.Add(match);
}
}
file.Close();
return(grammarMatches);
}
