public static void SetVar(string name, int i1, int i2, Value val)
{
if (DeclaredVariables.Contains(name))
{
if (ScopedVariables.ContainsKey(name))
{
if (ScopedVariables[name].IsReadOnly)
{
throw new ProgramError(Error.CannotAssign);
}
ScopedVariables[name][i1, i2] = val;
}
else
{
ScopedVariables.Add(name, new Variable(i1, i2, val));
}
}
else if (GlobalVariableExists(name))
{
var globalvar = GetGlobalVariable(name);
if (globalvar.IsReadOnly)
{
throw new ProgramError(Error.CannotAssign);
}
globalvar[i1, i2] = val;
}
else if (Current != null)
{
if (Current.VariableExists(name))
{
var instancevar = Current.Variable(name);
if (instancevar.IsReadOnly)
{
throw new ProgramError(Error.CannotAssign);
}
instancevar[i1, i2] = val;
}
else
{
Current.SetLocalVar(name, val);
}
}
}
public static GetSetValue Variable(int instance, string name)
{
switch ((InstanceTarget)instance)
{
case InstanceTarget.Self:
return(Current.Variable(name));
case InstanceTarget.Other:
return(Other.Variable(name));
case InstanceTarget.All:
return(Instances.Where(e => e.VariableExists(name)).Select(e => e.Variable(name)).FirstOrDefault());
case InstanceTarget.Noone:
return(null);
case InstanceTarget.Global:
return(GetGlobalVariable(name));
default:
return(GetInstance(instance).Variable(name));
}
}
