public TreeWalker(RenpyScriptBuilder scriptBuilder)
{
this.functionLookup = new FunctionHandlerLookup();
this.numAliasDictionary = new IgnoreCaseDictionary<int>();
this.stringAliasDictionary = new IgnoreCaseDictionary<int>();
this.scriptBuilder = scriptBuilder;
// Variables used for jumpf command
this.sawJumpfCommand = false;
this.jumpfTargetCount = 0;
this.gotIfStatement = false;
this.forNextStatementIncrementString = new Stack<string>();
//Register function handlers
this.functionLookup.RegisterSystemFunction(new NumAliasHandler());
this.functionLookup.RegisterSystemFunction(new StringAliasHandler());
this.functionLookup.RegisterSystemFunction(new MovHandler());
this.functionLookup.RegisterSystemFunction(new AddHandler());
this.functionLookup.RegisterSystemFunction(new IncHandler());
this.functionLookup.RegisterSystemFunction(new DecHandler());
this.functionLookup.RegisterSystemFunction(new DefSubHandler());
this.functionLookup.RegisterSystemFunction(new GetParamHandler());
this.functionLookup.RegisterSystemFunction(new JumpfHandler());
this.functionLookup.RegisterSystemFunction(new GotoHandler());
this.functionLookup.RegisterSystemFunction(new GoSubHandler());
this.functionLookup.RegisterSystemFunction(new DimHandler());
this.functionLookup.RegisterSystemFunction(new NextHandler());
this.functionLookup.RegisterSystemFunction(new LspHandler());
this.functionLookup.RegisterSystemFunction(new SpbtnExbtnHandler());
this.functionLookup.RegisterSystemFunction(new Btnwait2Handler());
this.functionLookup.RegisterSystemFunction(new BtndefHandler());
}
private void RegisterFunctionWithCheck(IgnoreCaseDictionary<FunctionHandler> dict, FunctionHandler userFunctionHandler)
{
foreach (string function_name in userFunctionHandler.FunctionNames())
{
if (dict.Contains(function_name))
{
throw new Exception($"User function {function_name} was defined twice");
}
else
{
dict.Set(function_name, userFunctionHandler);
}
}
}
public FunctionHandlerLookup()
{
this.systemFunctions = new IgnoreCaseDictionary<FunctionHandler>();
this.userFunctions = new IgnoreCaseDictionary<int>();
}