public VMObject Invoke(VMObject[] args)
{
//Parse the code in the script and return the resultant value
BinaryReader mreader = new BinaryReader(internstream);
while (true)
{
try {
byte opcode = mreader.ReadByte();
if (opcode == 3)
{
vmInstance.internalobjects.Remove(mreader.ReadDouble());
}
if (opcode == 2)
{
string txt = mreader.ReadString();
VMString mstr = new VMString(txt);
mstr.refValue = mreader.ReadDouble();
if (vmInstance.internalobjects.Keys.Contains(mstr.refValue))
{
vmInstance.internalobjects[mstr.refValue] = mstr;
}
else
{
vmInstance.internalobjects.Add(mstr.refValue, mstr);
}
}
if (opcode == 1)
{
//CALL and RETURN statement
double objIndex = mreader.ReadDouble();
VMObject obj = vmInstance.internalobjects[objIndex];
//Read in index of function (as a 32 bit integer)
int functionIndex = mreader.ReadInt32();
FunctionDeclaration function = obj.functions[functionIndex];
//Read in array of parameters
int paramlen = mreader.ReadInt32();
List <object> parameters = new List <object>();
for (int i = 0; i < paramlen; i++)
{
parameters.Add(vmInstance.internalobjects[mreader.ReadDouble()]);
}
return((VMObject)function.Invoke(parameters.ToArray(), obj));
}
if (opcode == 0)
{
//CALL statement
double objIndex = mreader.ReadDouble();
VMObject obj = vmInstance.internalobjects[objIndex];
//Read in index of function (as a 32 bit integer)
int functionIndex = mreader.ReadInt32();
FunctionDeclaration function = obj.functions[functionIndex];
//Read in array of parameters
int paramlen = mreader.ReadInt32();
List <object> parameters = new List <object>();
for (int i = 0; i < paramlen; i++)
{
parameters.Add(vmInstance.internalobjects[mreader.ReadDouble()]);
}
VMObject assignment = (VMObject)function.Invoke(parameters.ToArray(), obj);
if (mreader.ReadBoolean())
{
double assignmentVar = mreader.ReadDouble();
assignment.refValue = assignmentVar;
if (vmInstance.internalobjects.Keys.Contains(assignmentVar))
{
vmInstance.internalobjects[assignmentVar] = assignment;
}
else
{
vmInstance.internalobjects.Add(assignmentVar, assignment);
}
}
}
}catch (EndOfStreamException) {
return(null);
}
}
}
