/// <summary>
/// Lexing aka Tokenizing and parsing the assembly.
/// </summary>
private bool FirstPass(StreamReader readStream)
{
bool BuildSuccessful = true;
int LineNumber = 0;
string CurrentLine;
Token[] currentTokens;
Console.WriteLine("Lexical analysis and parsing...");
while (!readStream.EndOfStream)
{
CurrentLine = String.Empty;
CurrentLine = readStream.ReadLine();
CurrentLine.Trim();
LineNumber += 1;
if (CurrentLine == String.Empty)
{
continue;
}
try
{
//FIRST PASS
currentTokens = YParser.ParseString(CurrentLine);
if (currentTokens == null || currentTokens.Length == 0)
{
continue;
}
YFile.AddLine(currentTokens);
}
catch (FoundUnexpectedToken e)
{
//Console.WriteLine("ERROR : Unexpected Token " + e.token1.Text + " On Line : " + LineNumber + "|" + CurrentLine);
if (e.token1 != null)
{
Console.WriteLine($"ERROR : Unexpected Token {e.token1.Text} On Line : {LineNumber} | {CurrentLine}");
}
else
{
Console.WriteLine($"ERROR : Unexpected Token On Line : {LineNumber} | {CurrentLine}");
}
}
catch (AssemblerException e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("ERROR at stage : " + Enum.GetName(typeof(EnumAssemblerStages), e._stage) + " " + e.Message);
BuildSuccessful = false;
}
catch (TokenAccessException e)
{
BuildSuccessful = false;
Console.ForegroundColor = ConsoleColor.Red;
if (e._Tkn != null)
{
Console.WriteLine("ERROR accessing token: " + e.Message);
Console.WriteLine(e._Tkn.TokenInfoString());
}
else
{
Console.WriteLine("ERROR accessing token: " + e.Message);
}
}
catch (Exception e)
{
BuildSuccessful = false;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(e.Message);
}
finally
{
Console.ResetColor();
}
}
return(BuildSuccessful);
}
