public Opcode(ZMachine zm, OpcodeCompiler compiler, OpcodeAttribute attribute,
int pc, int zCodeLength,
int argc, OperandType[] operandTypes, short[] operandValues,
string operandText, int resultStorage, bool branchIfTrue, int branchOffset)
{
this.zm = zm;
this.compiler = compiler;
this.attribute = attribute;
this.PC = pc;
this.ZCodeLength = zCodeLength;
this.argc = argc;
this.operandTypes = new OperandType[argc];
Array.Copy(operandTypes, this.operandTypes, argc);
this.operandValues = new short[argc];
Array.Copy(operandValues, this.operandValues, argc);
this.operandText = operandText;
this.resultStorage = resultStorage;
this.branchIfTrue = branchIfTrue;
this.branchOffset = branchOffset;
}
public Opcode(ZMachine zm, OpcodeCompiler compiler, OpcodeAttribute attribute,
int pc, int zCodeLength,
int argc, OperandType[] operandTypes, short[] operandValues,
string operandText, int resultStorage, bool branchIfTrue, int branchOffset)
{
this.zm = zm;
this.compiler = compiler;
this.attribute = attribute;
this.PC = pc;
this.ZCodeLength = zCodeLength;
this.argc = argc;
this.operandTypes = new OperandType[argc];
Array.Copy(operandTypes, this.operandTypes, argc);
this.operandValues = new short[argc];
Array.Copy(operandValues, this.operandValues, argc);
this.operandText = operandText;
this.resultStorage = resultStorage;
this.branchIfTrue = branchIfTrue;
this.branchOffset = branchOffset;
}
private static void InitOpcodeTable()
{
MethodInfo[] mis = typeof(Opcode).GetMethods(
BindingFlags.NonPublic | BindingFlags.Instance);
foreach (MethodInfo mi in mis)
{
OpcodeAttribute[] attrs = (OpcodeAttribute[])mi.GetCustomAttributes(typeof(OpcodeAttribute), false);
if (attrs.Length > 0)
{
OpcodeCompiler del = (OpcodeCompiler)Delegate.CreateDelegate(
typeof(OpcodeCompiler), null, mi);
OpcodeAttribute a = attrs[0];
OpcodeInfo info = new OpcodeInfo(a, del);
switch (a.OpCount)
{
case OpCount.Zero:
zeroOpInfos.Add((byte)(a.Number - 176), info);
break;
case OpCount.One:
oneOpInfos.Add((byte)(a.Number - 128), info);
break;
case OpCount.Two:
twoOpInfos.Add(a.Number, info);
break;
case OpCount.Var:
varOpInfos.Add((byte)(a.Number - 224), info);
break;
case OpCount.Ext:
extOpInfos.Add(a.Number, info);
break;
}
}
}
}
internal static string GetOpcodeName(OpcodeAttribute attribute, OpcodeCompiler handler)
{
if (attribute != null && attribute.Alias != null)
{
return(attribute.Alias);
}
if (handler == null)
{
return("<unknown>");
}
MethodInfo mi = handler.Method;
string name = mi.Name;
if (name.StartsWith("op_"))
{
return(name.Remove(0, 3));
}
else
{
return(name);
}
}
public OpcodeInfo(OpcodeAttribute attr, OpcodeCompiler compiler)
{
this.Attr = attr;
this.Compiler = compiler;
}
public OpcodeInfo(OpcodeAttribute attr, OpcodeCompiler compiler)
{
this.Attr = attr;
this.Compiler = compiler;
}