private void Parse(string text, bool verbose = false)
{
var lexer = new PiLexer(text);
Assert.IsTrue(lexer.Process());
if (verbose)
{
WriteLine(lexer.ToString());
}
if (lexer.Failed)
{
WriteLine(lexer.Error);
}
PiParser = new PiParser(lexer);
PiParser.Process(lexer, EStructure.None);
if (verbose)
{
WriteLine(PiParser.PrintTree());
}
if (PiParser.Failed)
{
Debug.WriteLine(PiParser.Error);
}
Assert.IsFalse(PiParser.Failed);
Assert.IsNotNull(PiParser.Root);
}
public void TestSimpleTokens()
{
var lexer = new PiLexer("1 2 3");
Assert.IsTrue(lexer.Process());
var parser = new PiParser(lexer);
Assert.IsTrue(parser.Process(lexer));
}
private bool Pi()
{
var input = Current().Text;
var lexer = new PiLexer(input);
if (!lexer.Process())
{
return(FailLocation(lexer.Error));
}
var parser = new PiParser(lexer);
if (!parser.Process(lexer))
{
return(FailLocation(parser.Error));
}
var pi = NewNode(Consume());
pi.Value = parser.Root;
Push(pi);
return(true);
}
static void Main(string[] args)
{
string src = File.ReadAllText("./src.pi");
var lexer = new PiLexer(src);
var l = lexer.Lex();
foreach (var error in lexer.Errors)
{
Console.WriteLine("{0} at line {1}, column {2}", error.Message, error.Location.Line, error.Location.Column);
}
if (l != null)
{
int prevLine = 0;
foreach (var item in l)
{
if (item.Begin.Line != prevLine)
{
Console.WriteLine();
Console.WriteLine("Line " + item.Begin.Line);
prevLine = item.Begin.Line;
}
Console.WriteLine("{0,-15}: \"{1}\"", item.Kind, item.Content);
}
}
else
{
goto exit;
}
var parser = new PiParser();
IEnumerable <Node> decl = parser.Parse(l);
if (Debugger.IsAttached)
{
decl = decl.ToArray();
}
else
{
try
{
decl = decl.ToArray();
}
catch (SyntaxException ex)
{
var line = src.Lines()[ex.Location.Line];
int tabCount = line.TakeWhile(o => o == '\t').Count();
line = new string(' ', tabCount) + line.TrimStart('\t');
Console.WriteLine();
Console.WriteLine(ex.Message);
Console.WriteLine(line);
Console.WriteLine(new string(' ', ex.Location.Column - 1) + "^");
goto exit;
}
}
string dump = ObjectDumper.Dump(decl, DumpStyle.Console);
Console.WriteLine(dump);
File.WriteAllText("./dump.txt", dump);
var inter = new PiInterpreter(decl);
inter.Run();
Console.WriteLine();
Console.WriteLine("Done!");
exit:
Console.ReadKey(true);
}
