public static Token LogError(string fileName, Token token, string message, int lineNo)
{
int col = 0;
if (token != null)
{
col = token.Col;
}
else
{
if (LastToken != null)
{
if (LastToken.Next != null)
{
col = LastToken.Col;
}
else
{
col = LastToken.Col;
}
}
}
if (lineNo >= 0)
{
ErrorTable.Add(fileName, currentLine, token, message);
}
// OnErrorLogged(SourceDocument, new LogErrorEventArgs(token, message, col, lineNo));
if (token != null)
{
return(token.Next);
}
return(token);
}
static bool EOL(Token token)
{
if (token == null)
{
return(true);
}
if (token.Next != null)
{
if (!ErrorTable.HasErrors(currentFileName))
{
LogError(currentFileName, token, "Unwanted characters at end of line! " + token.Value + " " + token.Next.Value);
}
return(false);
}
return(true);
}
public static Symbol Add(string fileName, int line, Token token, string name, int value)
{
if (Labels.Exists(x => x.FileName == fileName && x.Name == name))
{
Symbol s1 = new Symbol(fileName, name, token, value, -1);
s1.UsedAtLines.Add(new UsedAt(fileName, token.Line, token));
Labels.Add(s1);
ErrorTable.Add(fileName, line, token, "Duplicate Label");
return(null);
}
Symbol label = new Symbol(fileName, name, token, value, line);
Labels.Add(label);
return(label);
}
static bool Pass(int pass, string source)
{
FirstAddress = -1;
//LogError(currentFileName, null,"Pass" + PassNo.ToString(), -1);
maxtext = 0;
sb = new StringBuilder();
bytes = new List <string>();
sourcelines = new List <string>();
IsTerminal = false;
Cancelled = false;
currentPass = pass;
terminate = false;
currentLine = 0;
ProgramCounter = 0;
ErrorTable.Reset();
Memory = new int[0x10000];
for (int i = 0; i < 0x10000; i++)
{
Memory[i] = -1;
}
string[] lines;
if (source.Contains("\r\n"))
{
source = source.Replace("\r", "");
}
//lines = source.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
lines = source.Split('\n');
foreach (string line in lines)
{
if (ProgramCounter > 0xffff)
{
break;
}
startaddress = ProgramCounter;
currenttext = line;
currentLine++;
AssembleLine(line);
if (pass == 2)
{
sourcelines.Add(currenttext);
int length = ProgramCounter - startaddress;
StringBuilder textsb = new StringBuilder();
if (length > 0)
{
switch (lastTokenType)
{
case TokenType.Directive:
case TokenType.Preprocessor:
textsb.Append(" " + " ");
break;
case TokenType.Label:
case TokenType.Symbol:
case TokenType.Opcode:
textsb.Append(startaddress.ToString("X4") + " ");
break;
default:
textsb.Append(startaddress.ToString("X4") + " ");
break;
}
int newline = 0;
for (int i = 0; i < length; i++)
{
if (newline > 15)
{
sourcelines.Add("{''}");
currentLine++;
if (textsb.Length > maxtext)
{
maxtext = textsb.Length + 1;
}
bytes.Add(textsb.ToString());
textsb = new StringBuilder();
textsb.Append((startaddress + i).ToString("X4") + " ");
newline = 0;
}
if (Memory[startaddress + i] != -1)
{
textsb.Append(Memory[startaddress + i].ToString("X2") + " ");
newline++;
}
if (textsb.Length > maxtext)
{
maxtext = textsb.Length + 1;
}
}
}
bytes.Add(textsb.ToString());
OnAssembledLine(null, new AssembledLineEventArgs(ProgramCounter - length, length));
}
//if (ErrorTable.HasErrors) break;
if (IsTerminal)
{
break;
}
if (terminate)
{
break;
}
if (Cancelled)
{
break;
}
}
return(!ErrorTable.HasErrors(currentFileName));
}
