public void Transition()
{
while (!Stop())
{
AbstractInstruction next = _program.CurrentInstruction();
AMHeap heap = (AMHeap)_dataArea;
next.Execute(this);
}
}
public AbstractInstruction CreateInstruction(string instructionName, string arg1, string arg2, string arg3, string arg4)
{
string[] arguments = { arg1, arg2, arg3, arg4 };
AbstractInstruction a = (AbstractInstruction)_instructions[instructionName];
AbstractInstruction abstractInstruction = (AbstractInstruction)Activator.CreateInstance(a.GetType());
abstractInstruction.Process(arguments);
return(abstractInstruction);
}
public void AddInstruction(AbstractInstruction instruction)
{
if (_program == null)
{
_program = new ProgramNode(instruction);
_programTop = _program;
_p = _program;
return;
}
_programTop.Next = new ProgramNode(instruction);
_programTop = _programTop.Next;
}
public void AddInstruction(AbstractInstruction instruction)
{
if (_program == null)
{
_program = new ProgramNode(instruction);
_programTop = _program;
_p = _program;
return;
}
_programTop.Next = new ProgramNode(instruction);
_programTop = _programTop.Next;
}
private static void WriteXmlInstructionArguments(XmlTextWriter xmltw, AbstractInstruction cinst)
{
switch (cinst.NumberOfArguments())
{
case 0:
xmltw.WriteStartElement(cinst.Name());
xmltw.WriteEndElement();
break;
case 1:
xmltw.WriteStartElement(cinst.Name());
xmltw.WriteAttributeString("arg1", cinst.ToString().Split(new char[] { ' ' })[1]);
xmltw.WriteEndElement();
break;
case 2:
xmltw.WriteStartElement(cinst.Name());
if (cinst.Name() == "put_structure")
{
string args = cinst.ToString().Split(new char[] { ' ' })[1];
xmltw.WriteAttributeString("arg1", args.Split(new char[] { ',' })[0]);
xmltw.WriteAttributeString("arg2", args.Split(new char[] { ',' })[1]);
xmltw.WriteEndElement();
}
else
{
if (cinst.ToString().IndexOf('"') != -1)
{
// put_constant "Hello, World", X0
string instStr = cinst.ToString();
string arg1 = instStr.Substring(instStr.IndexOf('"'), instStr.LastIndexOf('"') - instStr.IndexOf('"') + 1);
string arg2 = instStr.Substring(instStr.LastIndexOf('"') + 2);
xmltw.WriteAttributeString("arg1", arg1);
xmltw.WriteAttributeString("arg2", arg2);
xmltw.WriteEndElement();
}
else if (cinst.ToString().IndexOf('\'') != -1)
{
// put_constant 'Hello, World', X0
string instStr = cinst.ToString();
string arg1 = instStr.Substring(instStr.IndexOf('\''), instStr.LastIndexOf('\'') - instStr.IndexOf('\'') + 1);
string arg2 = instStr.Substring(instStr.LastIndexOf('\'') + 2);
xmltw.WriteAttributeString("arg1", arg1);
xmltw.WriteAttributeString("arg2", arg2);
xmltw.WriteEndElement();
}
else
{
string args = cinst.ToString().Split(new char[] { ' ' })[1];
xmltw.WriteAttributeString("arg1", args.Split(new char[] { ',' })[0]);
xmltw.WriteAttributeString("arg2", args.Split(new char[] { ',' })[1]);
xmltw.WriteEndElement();
}
}
break;
}
}
private static void WriteXmlInstruction(XmlTextWriter xmltw, AbstractInstruction cinst)
{
switch (cinst.Name())
{
case "call":
case "execute":
case "bcall":
xmltw.WriteStartElement(cinst.Name());
xmltw.WriteAttributeString("name", cinst.ToString().Split(new char[] { ' ' })[1]);
xmltw.WriteEndElement();
break;
case "fcall":
FCallInstruction fcinst = (FCallInstruction)cinst;
xmltw.WriteStartElement(cinst.Name());
xmltw.WriteAttributeString("assembly", fcinst._assemblyName);
xmltw.WriteAttributeString("class", fcinst._classType);
xmltw.WriteAttributeString("method", fcinst._methodName);
xmltw.WriteAttributeString("predicate", fcinst._predicateName);
break;
default:
WriteXmlInstructionArguments(xmltw, cinst);
break;
}
}
public ProgramNode(AbstractInstruction instruction, ProgramNode next)
{
_instruction = instruction;
_next = next;
}
public ProgramNode(AbstractInstruction instruction)
{
_instruction = instruction;
_next = null;
}
public ProgramNode()
{
_instruction = null;
_next = null;
}
private string GetInstructionStatement(AbstractInstruction inst)
{
string statement = "program.Add(iset.CreateInstruction(";
if (inst.Name() == "procedure")
{
ProcedureInstruction pi = (ProcedureInstruction)inst;
statement += "\"procedure\", \"" + pi.ProcedureName + "\", \"" + pi.Arity + "\"";
}
else
{
if (inst._arguments == null || inst._arguments.Length == 0)
{
statement += "\"" + inst.Name() + "\"";
}
else
{
statement += "\"" + inst.Name() + "\", ";
for (int i = 0; i < inst._arguments.Length; i++)
{
statement += "\"" + inst._arguments[i] + "\"";
if (i != (inst._arguments.Length - 1))
{
statement += ", ";
}
}
}
}
statement += "));";
return statement;
}
public ProgramClause(string name, int arity, AbstractInstruction instruction)
{
_instruction = instruction;
_name = name;
_arity = arity;
}
public ProgramClause(string name, int arity, AbstractInstruction instruction)
{
_instruction = instruction;
_name = name;
_arity = arity;
}
public ProgramNode(AbstractInstruction instruction, ProgramNode next)
{
_instruction = instruction;
_next = next;
}
public ProgramNode(AbstractInstruction instruction)
{
_instruction = instruction;
_next = null;
}
public ProgramNode()
{
_instruction = null;
_next = null;
}
private bool CompareInstructions(AbstractInstruction i1, AbstractInstruction i2)
{
return i1.ToString() == i2.ToString();
}