/// <summary>
/// Enter a new segment. When this method returns <see cref="Count"/> will be zero, and the stack will appear empty.
/// </summary>
/// <returns>An <see cref="IDisposable"/> that will return the stack to the previously active segment when disposed.</returns>
public IDisposable EnterSegment()
{
var reset = new StackSegment(this, _activeSegmentBase);
_activeSegmentBase = _next;
return(reset);
}
public string Emit()
{
StringBuilder sb = new StringBuilder();
StackSegment stack = new StackSegment();
sb.AppendLine(stack.Generate());
if (mDataSegment.Count > 0)
{
sb.AppendLine(DataSegmentElement.GetDataSegmentKeyword());
foreach (DataSegmentElement data in mDataSegment)
{
sb.AppendLine(data.Generate());
}
}
sb.AppendLine(CodeSegmentElement.GetCodeSegmentKeyword());
if (mCodeSegment.ContainsKey("init"))
{
sb.AppendLine("init:");
foreach (CodeSegmentElement elm in mCodeSegment["init"])
{
sb.AppendLine(elm.Generate());
}
mCodeSegment.Remove("init");
}
if (mCodeSegment.ContainsKey("main"))
{
sb.AppendLine("start:");
sb.AppendLine(Commands.GetCommand(Command.call, "main"));
sb.AppendLine("teminate:");
sb.AppendLine(Commands.GetCommand(Command.exit));
sb.AppendLine(Commands.GetCommand(Command.nop));
}
foreach (string label in mCodeSegment.Keys)
{
foreach (CodeSegmentElement elm in mCodeSegment[label])
{
sb.AppendLine(elm.Generate());
}
}
return(sb.ToString());
}
