public override void Visit(ConditionalJump node)
{
if ( Convert.ToBoolean(virtualMachine.ReturnValue))
{
NextNode = node.OnTrue.Value;
}
else
{
NextNode = node.OnFalse.Value;
}
}
public void compile(List<Token> tokens)
{
DoNothingNode nothingStart = new DoNothingNode();
compiler.Nodes.AddLast(nothingStart);
compiler.Nodes.Last.Previous.Value.Next = compiler.Nodes.Last.Value;
compiler.Nodes.Last.Value.Prev = compiler.Nodes.Last.Previous.Value;
LinkedListNode<Node> nothingStartNode = compiler.Nodes.Last;
CompiledCondition condition = new CompiledCondition();
condition.Compile(tokens[2]);
while (condition.Compiled.Count > 0)
{
LinkedListNode<Node> node = condition.Compiled.First;
condition.Compiled.RemoveFirst();
compiler.Nodes.AddLast(node);
compiler.Nodes.Last.Previous.Value.Next = compiler.Nodes.Last.Value;
compiler.Nodes.Last.Value.Prev = compiler.Nodes.Last.Previous.Value;
}
ConditionalJump conditionalJump = new ConditionalJump();
compiler.Nodes.AddLast(conditionalJump);
compiler.Nodes.Last.Previous.Value.Next = compiler.Nodes.Last.Value;
compiler.Nodes.Last.Value.Prev = compiler.Nodes.Last.Previous.Value;
DoNothingNode nothingTrue = new DoNothingNode();
compiler.Nodes.AddLast(nothingTrue);
compiler.Nodes.Last.Previous.Value.Next = compiler.Nodes.Last.Value;
compiler.Nodes.Last.Value.Prev = compiler.Nodes.Last.Previous.Value;
conditionalJump.OnTrue = compiler.Nodes.Last;
List<List<Token>> body = compiler.compileBody(tokens);
foreach (List<Token> bodyPart in body)
{
compiler.compilePart(bodyPart);
}
DoNothingNode nothingFalse = new DoNothingNode();
compiler.Nodes.AddLast(nothingFalse);
compiler.Nodes.Last.Previous.Value.Next = compiler.Nodes.Last.Value;
compiler.Nodes.Last.Value.Prev = compiler.Nodes.Last.Previous.Value;
conditionalJump.OnFalse = compiler.Nodes.Last;
}
public abstract void Visit(ConditionalJump node);