public ParsingResult Process(string filePath)
{
if (!File.Exists(filePath))
{
Logger.Error($"File {filePath} doesn't exist");
throw new FileNotFoundException(filePath);
}
using (var file = File.OpenRead(filePath))
{
var result = new ParsingResult();
Logger.Info($"Reading content of {filePath}");
using (var reader = new StreamReader(file))
{
var lexemBuffer = "";
while (!reader.EndOfStream)
{
char currentSymbol = (char)reader.Read();
if (!Char.IsWhiteSpace(currentSymbol))
{
var processingResult = Process(currentSymbol, reader);
if (processingResult.Item1.Equals(State.Error))
{
throw new Exception($"Unsupported character '{currentSymbol}' detected after '{result.CommonSymbolTable.LastOrDefault()?.Lexem}'.");
}
else
{
result.AddLexemLog(processingResult);
}
}
}
}
return(result);
}
}
