public ConsoleInstance()
{
screen = new StringBuilder();
variableHolder = new Variable <object> ();
instanceDelegates.WriteText = WriteTextOnConsoleBuffer;
instanceDelegates.ActiveInstance = this;
availableFunctions = new InvokerSet(instanceDelegates);
}
public Command2(Receiver2 receiver)
{
Set = receiver.SetData;
Execute = receiver.DoIt;
Redo = receiver.DoIt;
Undo = delegate
{
Console.WriteLine("Not Implemented");
};
}
public Command(Receiver receiver)
{
Set = delegate
{
Console.WriteLine("Not Implemented - default of XXX used");
receiver.S = "XXX";
};
Execute = receiver.Action;
Redo = receiver.Action;
Undo = receiver.Reverce;
}
public void InterpretLine(string line)
{
string[][] commlist = Tokenizer.Tokenize(line);
bool hasret;
hasret = false;
int funcpos, varstart;
List <int> varpos = new List <int> ();
foreach (string[] cs in commlist)
{
varpos.Clear();
funcpos = 0;
varstart = 1;
if (cs.Length == 0)
{
continue;
}
if (cs.Length == 2)
{
varstart = 1;
}
if (cs.Length > 2)
{
if (cs[1] == "=")
{
hasret = true;
funcpos = 2;
varstart = 3;
}
else
{
varstart = 1;
}
}
/* Fetch the arguments */
List <VariableTBase> argset = new List <VariableTBase> (cs.Length);
int i;
for (i = varstart; i < cs.Length; i++)
{
if ((cs[i][0] == '$') | (cs[i][0] == '#'))
{
string[] spl = cs[i].Split('.');
VariableTBase vtb;
try {
vtb = variableHolder;
foreach (string g in spl)
{
vtb = vtb.innerVariables[g];
}
argset.Add(vtb);
} catch (KeyNotFoundException) {
WriteTextOnConsoleBuffer("No such variable: " + cs[i]);
return;
}
}
else
{
if (cs[i][0] == '@')
{
int index1 = cs[i].IndexOf('(');
if (index1 == -1 | cs[i][cs[i].Length - 1] != ')')
{
WriteTextOnConsoleBuffer("Badly formatted input: " + cs[i] + " not valid syntax"); return;
}
string nm = cs[i].Substring(1, index1 - 1);
string text = cs[i].Substring(index1 + 1, cs[i].Length - index1 - 2);
VariableTBase vb = InvokerSet.ParseCreateVariable(nm, text, WriteTextOnConsoleBuffer);
if (vb == null)
{
return;
}
vb.name = "temp";
argset.Add(vb);
continue;
}
int tint;
if (int.TryParse(cs[i], out tint))
{
Variable <int> tmpvar = tint;
tmpvar.name = "temp";
argset.Add(tmpvar);
}
else
{
Variable <string> tmpvar = cs[i];
tmpvar.name = "temp";
argset.Add(tmpvar);
}
}
}
/* Call the function & set the return value */
bool debug = true;
if (!debug)
{
try {
VariableTBase o = availableFunctions.Invoke(cs[funcpos], argset.ToArray());
if (hasret)
{
o.name = cs[0];
variableHolder.AddInnerVar(o.name, o);
}
} catch (Exceptions.UserException e) {
WriteTextOnConsoleBuffer(e.Message);
throw e;
} catch (Exception e) {
WriteTextOnConsoleBuffer("\n--------\nRuntime error: " + e.Message + "\nProbably bad code. Ask the nearest suitable programmer for help.\n--------");
System.Diagnostics.Debug.WriteLine(e.ToString(), "Runnable function errors.");
System.Diagnostics.Trace.WriteLine(e.ToString(), "Runnable function errors.");
throw e;
}
}
else
{
VariableTBase o = availableFunctions.Invoke(cs[funcpos], argset.ToArray());
if (hasret)
{
o.name = cs[0];
variableHolder.AddInnerVar(o.name, o);
}
}
}
}
