private static Double?StringToNumber(String str)
{
try
{
var lexer = new GLuaLexer(str);
foreach (LToken token in lexer.Lex( ))
{
return(( Double )token.Value);
}
return(null);
}
catch (Exception)
{
return(null);
}
}
public static void LexFile(String filePath, String outputPath = "stdin")
{
if (!File.Exists(filePath))
{
throw new Exception("File doesn't exists.");
}
StreamWriter outputWriter;
using (outputWriter = outputPath == "stdin"
? new StreamWriter(Console.OpenStandardOutput( ), Encoding.UTF8, 4096)
: new StreamWriter(outputPath, false, Encoding.UTF8, 4096))
using (FileStream handle = File.OpenRead(filePath))
{
var max = new SourceLocation(Int32.MaxValue, Int32.MaxValue, Int32.MaxValue);
var last = new SourceRange(max, max);
var sw = Stopwatch.StartNew( );
var lexer = new GLuaLexer(handle);
foreach (LToken token in lexer.Lex( ))
{
outputWriter.WriteLine($"LToken ( '{token.ID}', '{token.Raw}', '{token.Value}', {token.Type}, {token.Range} )");
foreach (Token flair in token.LeadingFlair)
{
outputWriter.WriteLine($"\tLTokenFlair ( '{flair.ID}', '{flair.Raw}', '{flair.Value}', {flair.Type}, {flair.Range} )");
}
if (last == token.Range && token.Type != TokenType.EOF)
{
throw new Exception("Possible infinite loop. Token has same range as last.");
}
last = token.Range;
}
sw.Stop( );
outputWriter.WriteLine($"Time elapsed on lexing: {HumanTime ( sw )}");
}
}