internal void Step(Stmt st)
{
/* switch ( CurrentToken.TokenName )
* {
* case Lexer.Tokens.Function:
* //skip to end return;
*
* break;
* case Lexer.Tokens.NewLine:
* break;
* case Lexer.Tokens.Set:
* Set();
* break;
* case Lexer.Tokens.Label:
*
* break;
* case Lexer.Tokens.Goto: // todo scan forward for labels.
* CurrentIndex++;
* if ( CurrentToken.TokenName == Lexer.Tokens.StringLiteral )
* CurrentIndex = Labels[CurrentToken.TokenValue.ToLowerInvariant()];
* else
* throw new Exception( "Unhandled goto " + CurrentToken.TokenValue + " on line " + CurrentLine );
* break;
* case Lexer.Tokens.Event:
* CurrentIndex++;
* if ( CurrentToken.TokenValue == "macro" )
* {
* CurrentIndex++;
* EventMacro();
* }
* break;
* case Lexer.Tokens.Target:
* CurrentIndex++;
* if ( CurrentToken.TokenName == Lexer.Tokens.IntLiteral )
* {
* CurrentIndex++;
* }
* else
* while ( !Targeting.HasTarget ) Thread.Sleep( 55 );
*
* break;
*
* case Lexer.Tokens.Wait:
* CurrentIndex++;
* if ( CurrentToken.TokenName == Lexer.Tokens.IntLiteral )
* {
* Thread.Sleep( int.Parse( CurrentToken.TokenValue ) * 50 );
* CurrentIndex++;
* }
* else if ( CurrentToken.TokenName == Lexer.Tokens.StringLiteral )
* {
* Thread.Sleep( int.Parse( CurrentToken.TokenValue.TrimEnd( new char[] { 's' } ) ) * 1000 );
* CurrentIndex++;
* }
* else
* {
* Thread.Sleep( 1000 );
* }
*
* break;
*
* case Lexer.Tokens.If:
* ParseIF();
* break;
* case Lexer.Tokens.Else:
* ParseElse();
* break;
* case Lexer.Tokens.FindItem:
* ParseFindItem();
* break;
* case Lexer.Tokens.For:
* ParseFor();
* break;
* case Lexer.Tokens.Comment:
* break;
* default:
* Console.WriteLine( "Unhandled Token: " + CurrentToken.TokenName );
* break;
* }
* CurrentIndex++;*/
}
public void Statement()
{
if (CurrentBlock == null && CurrentStack == null)
{
CurrentBlock = m_Statements[0] as Block;
CurrentStack = CurrentBlock.GetStack();
CurrentStatment = CurrentStack.Pop();
}
if (CurrentStatment is Goto go)
{
HandleGoto(go);
}
else if (CurrentStatment is Call call)
{
HandleCall(call);
}
else if (CurrentStatment is Break)
{
//pop till we leave a loop TODO
CurrentBlock = BlockStack.Pop();
CurrentStack = OldStacks.Pop();
CurrentStatment = CurrentStack.Pop();
}
else if (CurrentStatment is Return ret)
{
if (ret.expr != null)
{
Setvariable("#result", ret.expr.GetValue());
}
//pop till we leave a Func TODO
CurrentBlock = BlockStack.Pop();
CurrentStack = OldStacks.Pop();
CurrentStatment = CurrentStack.Pop();
}
else if (CurrentStatment is Continue)
{
CurrentStack = CurrentBlock.GetStack();
CurrentStatment = CurrentStack.Pop();
}
else if (CurrentStatment is Block block)
{
if (CurrentStatment.Execute())
{
if (block is BaseLoopBlock loop)
{
CurrentStack.Push(block);
}
OldStacks.Push(CurrentStack);
BlockStack.Push(CurrentBlock);
CurrentBlock = block;
CurrentStack = CurrentBlock.GetStack();
CurrentStatment = CurrentStack.Pop();
//foreach ( var s in CurrentBlock.statements )
// CurrentStack.Push( s );
}
else
{
if (CurrentStack.Count > 0)
{
CurrentStatment = CurrentStack.Pop();
}
else
{
CurrentStatment = null;
}
}
}
//DEBUG DONT EXECUTE STATEMENTS
else if (CurrentStatment != null && CurrentStatment.Execute())
{
if (CurrentStack.Count > 0)
{
CurrentStatment = CurrentStack.Pop();
}
else
{
CurrentStatment = null;
}
}
//
if (CurrentStatment == null)
{
if (BlockStack.Count > 0)
{
CurrentBlock = BlockStack.Pop();
CurrentStack = OldStacks.Pop();
if (CurrentStack.Count > 0)
{
CurrentStatment = CurrentStack.Pop();
}
}
else
{
CurrentBlock = null;
CurrentStack = null;
}
}
}
public void AddStmt(Stmt stmt)
{
statements.Add(stmt);
}