public void SetInvokeProperties(string[] args, List <Token> vars, List <Token> oldargs)
{
invokeProperties = args;
//if (LocalVariables == null)
//trying emptying local vars each invoke, it might break things tho
LocalVariables = new TokenStack();
vars.RemoveAll(r => r.Name == "");
oldargs.RemoveAll(r => r.Name == "");
LocalVariables.AddRange(vars);
LocalVariables.AddRange(oldargs);//add the parameters from the calling function to this functions local var stack
}
public virtual void TryParse(TFunction caller)
{
ReturnBubble = null;
ReturnFlag = false;
if (caller != null)
{
BlindExecute = caller.BlindExecute;
Tracer = caller.Tracer;
Caller = caller;
}
var findFor = Extensions.FirstOrDefault(f => f.Name == "For") as ExtensionFor;
if (findFor != null)
{
//if for extension exists, reroutes this tryparse method to the loop version without the for check
ForExtension(caller, findFor);
return;
}
//combine expected args and given args and add them to variabel pool
if (caller != null && caller.Arguments != null && ExpectedArgs != null && ExpectedArgs.Length > 0)
{
ProvidedArgs = new TokenStack();
var args = caller.ReturnArgsArray();
if (ExpectedArgs.Length > 0)
{
for (var i = 0; i < ExpectedArgs.Length; i++)
{
var exp = ExpectedArgs[i].Replace("var ", "").Replace(" ", "");
if (args.ElementAtOrDefault(i) == null)
{
ProvidedArgs.Add(new Token(exp, "null", caller.Line));
}
else
{
ProvidedArgs.Add(new Token(exp, args[i], caller.Line));
}
}
}
}
var guts = Value.Split('{')[1].Split('}');
var lines = guts[0].Split(';');
foreach (var l in lines)
{
new Line(l, this);
}
//clear local var stack after use
LocalVariables = new TokenStack();
}
public TokenParser(List <IBaseFunction> functionList)
{
CancellationTokenSource = new CancellationTokenSource();
FunctionStack.AddRange(functionList);
AnonymousTokens = new TokenStack();
GlobalVariables = new TokenStack();
GlobalVariables.AddRange(new List <Token>()
{
new Token("DateTime", () => { return(DateTime.Now.ToString()); }, "{0}", locked: true),
new Token("Date", () => { return(DateTime.Now.ToShortDateString()); }, "{0}", locked: true),
new Token("Time", () => { return(DateTime.Now.ToShortTimeString()); }, "{0}", locked: true),
new TArray("GetVersion", StrVersion(), "{0}", locked: true),
new Token("null", "null", "{0}", locked: true),
new Token("True", "True", "{0}", locked: true),
new Token("true", "true", "{0}", locked: true),
new Token("False", "False", "{0}", locked: true),
new Token("false", "false", "{0}", locked: true)
});
StartParse();
}
//this overload is when the function is called with the for extension
public virtual void TryParse(TFunction caller, bool forFlag)
{
ReturnBubble = null;
ReturnFlag = false;
if (caller != null)
{
BlindExecute = caller.BlindExecute;
Tracer = caller.Tracer;
Caller = caller;
}
//combine expected args and given args and add them to variabel pool
if (caller != null && caller.Arguments != null && ExpectedArgs != null && ExpectedArgs.Length > 0)
{
ProvidedArgs = new TokenStack();
var args = caller.ReturnArgsArray();
if (ExpectedArgs.Length > 0)
{
for (var i = 0; i < ExpectedArgs.Length; i++)
{
var exp = ExpectedArgs[i].Replace("var ", "").Replace(" ", "");
if (args.ElementAtOrDefault(i) == null)
{
ProvidedArgs.Add(new Token(exp, "null", caller.Line));
}
else
{
ProvidedArgs.Add(new Token(exp, args[i], caller.Line));
}
}
}
}
var guts = Value.Split('{')[1].Split('}');
var lines = guts[0].Split(';');
foreach (var l in lines)
{
new Line(l, this);
}
//clear local var stack after use
LocalVariables = new TokenStack();
}
public AnonymousFunction()
{
ProvidedArgs = new TokenStack();
LocalVariables = new TokenStack();
UID = GetUID();
}
private string EvaluateVar(string value)
{
//get the var scope
TokenStack varList = null;
if (value.Contains("$var%"))
{
varList = TokenParser.GlobalVariables;
}
else if (value.Contains("var%"))
{
varList = _reference.LocalVariables;
}
if (varList == null)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
$"[244]Unexpected error occured.", Value));
return(null);
}
//assign based on operator
var strip = value.Replace("$", "").Replace("var%", "");
string[] assign = default(string[]);
if (strip.Contains("++"))
{
assign = strip.Split(new string[] { "++" }, StringSplitOptions.None);
}
else if (strip.Contains("--"))
{
assign = strip.Split(new string[] { "--" }, StringSplitOptions.None);
}
else if (strip.Contains("+="))
{
assign = strip.Split(new string[] { "+=" }, StringSplitOptions.None);
}
else if (strip.Contains("-="))
{
assign = strip.Split(new string[] { "-=" }, StringSplitOptions.None);
}
else if (strip.Contains("="))
{
assign = strip.Split(new string[] { "=" }, StringSplitOptions.None);
}
//get the left hand
var leftHand = assign[0].Replace(" ", "");
var varRef = varList.First(leftHand);
if (varRef != null && varRef.Locked)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
$"[282]Cannot re-assign a sealed variable!", Value));
return(null);
}
//one sided assignment
if (strip.Contains("++") || strip.Contains("--"))
{
if (varRef == null)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
$"[269]Cannot find the left hand variable.", Value));
return(null);
}
double numOut = 0;
double.TryParse(varRef.ToString(), out numOut);
if (strip.Contains("++"))
{
numOut++;
}
else
{
numOut--;
}
varRef.SetValue(numOut.ToString());
return("");
}
Token token = null;
var rightHand = assign[1].Replace(" ", "");
//if (rightHand.Contains('+'))
//{
var parts = rightHand.Split('+');
string output = "";
foreach (var p in parts)
{
var x = p;
if (x.Contains("->"))
{
var fext = ParseExtensions(x);
var fcheckSplit = x.Split(new string[] { "->" }, StringSplitOptions.None);
var fcheck = FunctionStack.First(fcheckSplit[0]);
if (fcheck != null)
{
x = ParseFunctions(x, fext);
}
}
if (x.Contains("<-"))
{
x = EvaluateVarExtensions(x);
}
if (x == null || x == "" || x == " ")
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
$"[688]Right hand must be a value.", Value));
return(null);
}
var prentoken = GetTokens(new string[] { x });
if (prentoken == null)
{
return(null);
}
var ntoken = prentoken.ElementAtOrDefault(0);
if (ntoken == null)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
$"[692]Right hand must be a value.", Value));
return(null);
}
output += ntoken.ToString();
}
token = new Token("concatination", output, Value);
rightHand = output;
//}
if (token == null)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
$"[699]Right hand must be a value.", Value));
return(null);
}
if (strip.Contains("+=") || strip.Contains("-="))
{
if (varRef == null)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
$"[291]Cannot find the left hand variable.", Value));
return(null);
}
//check if number and apply the change
double leftNumOut = 0;
double rightNumOut = 0;
//check if token is a number too
var nofailRight = double.TryParse(token.ToString(), out rightNumOut);
var nofailLeft = double.TryParse(varRef.ToString(), out leftNumOut);
if (nofailLeft && nofailRight)
{
if (strip.Contains("+="))
{
leftNumOut += rightNumOut;
}
else
{
leftNumOut -= rightNumOut;
}
varRef.SetValue(leftNumOut.ToString());
}
else//one or both arent numbers, which means concatenation intead of incrementation.
{
var str = varRef.ToString();
if (strip.Contains("+="))
{
str += token.ToString();
}
else
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.SyntaxException,
"[314]Cannot apply the operand -= with type string.", Value));
return(null);
}
varRef.SetValue(str);
}
return("");
}
if (strip.Contains("="))
{
if (varRef != null)
{
varRef.SetValue(token.ToString());
}
else
{
varList.Add(new Token(leftHand, token.ToString(), Value));
}
return("");
}
Compiler.ExceptionListener.Throw("[330]Unknown error with assignment.", ExceptionType.SyntaxException, Value);
return(null);
}
