private void ParseAssignment(StringSection symbolName, bool isLabel, StringSection expression, int iSourceLine)
{
// Call site SHOULD check for this condition and specify an Error.
if (expression.Length == 0)
{
throw new SyntaxErrorException("Expected: expression.", iSourceLine);
}
AsmValue assignedValue;
LiteralValue assignedLiteral;
if (ExpressionEvaluator.TryParseLiteral(expression, out assignedLiteral))
{
assignedValue = new AsmValue(assignedLiteral);
}
else
{
assignedValue = new AsmValue(expression.ToString());
}
assembly.Directives.Add(new Assignment(NextInstructionIndex, iSourceLine, symbolName, isLabel, assignedValue));
}
public BaseDirective(int instructionIndex, int sourceLine, AsmValue address)
: base(instructionIndex, sourceLine)
{
this.Address = address;
}
public Assignment(int instructionIndex, int sourceLine, StringSection variable, bool isLabel, AsmValue value)
: base(instructionIndex, sourceLine)
{
this.Variable = variable;
this.Value = value;
this.IsLabel = isLabel;
}
