public DefinedVar(DeltinScriptParser.VardefineContext vardefine)
{
IsGlobal = vardefine.GLOBAL() != null;
string name = vardefine.PART(0).GetText();
if (IsVar(name))
{
throw new SyntaxErrorException($"The variable {name} was already defined.", vardefine.start);
}
Name = name;
// Both can be null, or only one can have a value.
string useVar = vardefine.PART(1)?.GetText();
var useNumber = vardefine.number();
// Auto assign
if (useNumber == null && useVar == null)
{
Index = Var.Assign(IsGlobal);
if (IsGlobal)
{
Variable = Var.Global;
}
else
{
Variable = Var.Player;
}
IsInArray = true;
}
else
{
if (useNumber != null)
{
IsInArray = true;
string indexString = useNumber.GetText();
if (!int.TryParse(indexString, out int index))
{
throw new SyntaxErrorException("Expected number.", useNumber.start);
}
Index = index;
}
if (useVar != null)
{
if (!Enum.TryParse(useVar, out Variable var))
{
throw new SyntaxErrorException("Expected variable.", vardefine.start);
}
Variable = var;
}
}
VarCollection.Add(this);
}
public override Node VisitVardefine(DeltinScriptParser.VardefineContext context)
{
string variableName = context.PART(0).GetText();
bool isGlobal = context.GLOBAL() != null;
Variable?useVar = null;
if (Enum.TryParse <Variable>(context.PART().ElementAtOrDefault(1)?.GetText(), out Variable setUseVar))
{
useVar = setUseVar;
}
int?useIndex = null;
if (int.TryParse(context.number()?.GetText(), out int setUseIndex))
{
useIndex = setUseIndex;
}
Node node = new DefinedNode(isGlobal, variableName, useVar, useIndex, Range.GetRange(context));
CheckRange(node);
return(node);
}