private void UpdateWindow()
{
if (!this.IsHandleCreated)
{
return;
}
btnOk.Enabled = false;
_textVersion++;
if (_updating)
{
return;
}
_updating = true;
string text = txtCode.Text;
int version = _textVersion;
Task.Run(() => {
short[] byteCode = DebugApi.AssembleCode(_cpuType, text, (UInt32)_startAddress);
this.BeginInvoke((Action)(() => {
_updating = false;
if (_textVersion != version)
{
UpdateWindow();
}
List <byte> convertedByteCode = new List <byte>();
List <ErrorDetail> errorList = new List <ErrorDetail>();
string[] codeLines = text.Replace("\r", "").Split('\n');
int line = 1;
foreach (short s in byteCode)
{
if (s >= 0)
{
convertedByteCode.Add((byte)s);
}
else if (s == (int)AssemblerSpecialCodes.EndOfLine)
{
line++;
}
else if (s < (int)AssemblerSpecialCodes.EndOfLine)
{
string message = "unknown error";
switch ((AssemblerSpecialCodes)s)
{
case AssemblerSpecialCodes.ParsingError: message = "Invalid syntax"; break;
case AssemblerSpecialCodes.OutOfRangeJump: message = "Relative jump is out of range (-128 to 127)"; break;
case AssemblerSpecialCodes.LabelRedefinition: message = "Cannot redefine an existing label"; break;
case AssemblerSpecialCodes.MissingOperand: message = "Operand is missing"; break;
case AssemblerSpecialCodes.OperandOutOfRange: message = "Operand is out of range (invalid value)"; break;
case AssemblerSpecialCodes.InvalidHex: message = "Hexadecimal string is invalid"; break;
case AssemblerSpecialCodes.InvalidSpaces: message = "Operand cannot contain spaces"; break;
case AssemblerSpecialCodes.TrailingText: message = "Invalid text trailing at the end of line"; break;
case AssemblerSpecialCodes.UnknownLabel: message = "Unknown label"; break;
case AssemblerSpecialCodes.InvalidInstruction: message = "Invalid instruction"; break;
case AssemblerSpecialCodes.InvalidBinaryValue: message = "Invalid binary value"; break;
case AssemblerSpecialCodes.InvalidOperands: message = "Invalid operands for instruction"; break;
case AssemblerSpecialCodes.InvalidLabel: message = "Invalid label name"; break;
}
errorList.Add(new ErrorDetail()
{
Message = message + " - " + codeLines[line - 1], LineNumber = line
});
line++;
}
}
_hasParsingErrors = errorList.Count > 0;
lstErrors.BeginUpdate();
lstErrors.Items.Clear();
lstErrors.Items.AddRange(errorList.ToArray());
lstErrors.EndUpdate();
ctrlHexBox.ByteProvider = new StaticByteProvider(convertedByteCode.ToArray());
UpdateButtons();
}));
});
}
