private static void ParseNodeSetVariable(ScriptProgram scriptProgram, Node root, TokenStream stream)
{
var node = new SetVarNode();
root.AddChildNode(node);
string name = "";
Expression value = null; // TODO This will be parsed as an expression
string scope = "";
while (stream.GetCurrent().TokenType == SemanticTokenType.NodeParameter)
{
var parameter = stream.Pop();
if (parameter.TokenValue == "name:")
{
name = stream.Pop().TokenValue;
}
else if (parameter.TokenValue == "value:")
{
value = ParseExpression(scriptProgram.GlobalVariables, stream);
}
else if (parameter.TokenValue == "scope:")
{
scope = stream.Pop().TokenValue;
}
else
{
throw new Exception("Unknown parameter:" + parameter.TokenValue);
}
}
// TODO Add compile type checking for variable existance and scope
node.expression = value;
node.variableId = name;
}
private static Node ConstuctNode(BinaryReader br, Guid id, NodeType nodeType, CommandType commandType)
{
//Console.WriteLine(nodeType);
switch (nodeType)
{
case NodeType.Script:
{
var scriptNode = new ScriptNode();
scriptNode.Id = id;
scriptNode.readData(br);
return(scriptNode);
}
case NodeType.Page:
{
var pageNode = new PageNode();
pageNode.Id = id;
pageNode.readData(br);
return(pageNode);
}
case NodeType.OnceOnly:
{
var onceOnly = new OnceOnlyNode();
onceOnly.Id = id;
onceOnly.readData(br);
return(onceOnly);
}
case NodeType.ConditionalTrue:
{
var node = new ConditionalTrueNode();
node.Id = id;
node.readData(br);
return(node);
}
case NodeType.ConditionalFalse:
{
var node = new ConditionalFalseNode();
node.Id = id;
node.readData(br);
return(node);
}
case NodeType.OptionsChoice:
{
var node = new ShowOptionsNode();
node.Id = id;
node.readData(br);
return(node);
}
case NodeType.Option:
{
var node = new OptionNode();
node.Id = id;
node.readData(br);
return(node);
}
case NodeType.ParallelNode:
{
var node = new ParallelNode();
node.Id = id;
node.readData(br);
return(node);
}
case NodeType.BlockNode:
{
var node = new BlockNode();
node.Id = id;
node.readData(br);
return(node);
}
case NodeType.ConditionalIf:
{
var node = new ConditionalExpressionNode();
node.Id = id;
node.readData(br);
return(node);
}
case NodeType.Command:
{
switch (commandType)
{
case CommandType.Say:
{
var command = new SayNode();
command.Id = id;
command.readData(br);
return(command);
}
case CommandType.CallPage:
{
var command = new CallPageNode();
command.Id = id;
command.readData(br);
return(command);
}
case CommandType.Return:
{
var command = new ReturnNode();
command.Id = id;
command.readData(br);
return(command);
}
case CommandType.Wait:
{
var command = new WaitNode();
command.Id = id;
command.readData(br);
return(command);
}
case CommandType.Print:
{
var command = new PrintNode();
command.Id = id;
command.readData(br);
return(command);
}
case CommandType.SetVar:
{
var command = new SetVarNode();
command.Id = id;
command.readData(br);
return(command);
}
default:
throw new Exception("Unhandled Node Type:" + nodeType + ":" + commandType);
}
}
// case NodeType.Say
default:
throw new Exception("Unhandled Node Type:" + nodeType);
}
return(null);
}
