public object GetVariable(Id id) {
#if _DEBUG
Console.Write(" "+this + " getting " + id+ "...");
#endif
try {
//ncase the path of the id is llarger then 1 you need to search inside the kid symbo table
if (id.Length > 1) {
SymbolTable scope = (SymbolTable) this.GetVariable(new Id(id.Head));
id.Path.RemoveFirst();
return scope.GetVariable(id);
}
#if _DEBUG
object toReturn = _symbols[id.Head];
Console.WriteLine("Sucesess");
return toReturn;
#else
return _symbols[id.Head];
#endif
}
catch {
#if _DEBUG
Console.WriteLine("Fail. Searching in perent ↓"+id+"...");
#endif
if (Perent == null)
throw new Exception("Variable \""+id+"\" is undefined");
return this.Perent.GetVariable(id);
}
}
public object SetVariable(Id id, object value) {
try {
if (id.Length > 1) {
SymbolTable scope = (SymbolTable)this.GetVariable(new Id(id.Head));
id.Path.RemoveFirst();
return scope.SetVariable(id, value);
}
_symbols[id.Head] = value;
return value;
}
catch {
if (Perent == null)
throw new Exception("Variable \"" + id + "\" is undefined");
return this.Perent.SetVariable(id, value);
}
}
public object GetValue(Id id) {
object toGet = GetVariable(id);
while (toGet is Id)
toGet = GetVariable(toGet as Id);
return toGet;
}
public void CallFunction(Id name) {
#if _DEBUG
Console.WriteLine("Program calling function "+name+" from scope "+this.activeScope.GetHashCode());
#endif
//the id of the function is obj.lexema
//get the fucnion block
FunctionBLock funBlock =(FunctionBLock)this.activeScope.GetValue(name);
//get the number of aprands that this function resiave
int limit = funBlock.ParametersCount;
//the parameters that will be passed to the function call
List<object> parameters = new List<object>();
#if _DEBUG
for (int i = 0; i < limit; i++) {
object toAdd = pStack.Pop();
Console.WriteLine("Poping parameter n" + i + " : " + toAdd);
parameters.Add(toAdd);
}
#else
for (int i = 0; i < limit; i++)
parameters.Add(pStack.Pop());
#endif
Interpreter t = new Interpreter(this.ProcessStack, funBlock.GetCallSymbolTable(this.ActiveScope, parameters));
t.activeScope.AddFunction("return", new ReservedFunction(new ReservedFunction.ReservedFuncDelegate(t.Return)), "toReturn");
funBlock.Executable.ExecuteByhInterpreter(t);
}
