public static void DisassembleBlock(ushort[] image, int pc, int depth)
{
while (pc < image.Length)
{
PatternCompiler.DecodeOp(image[pc], out OpCode op, out OpFlags _);
Console.Write(FormatAddress(pc) + ": ");
Console.Write(new string(' ', depth * 2));
Console.Write(DisassembleOp(image, pc));
Console.WriteLine();
int num;
switch (op)
{
case OpCode.False:
case OpCode.True:
case OpCode.Until:
num = 1;
break;
case OpCode.Position:
case OpCode.Reference:
case OpCode.Character:
case OpCode.Category:
case OpCode.NotCategory:
case OpCode.In:
case OpCode.Open:
case OpCode.Close:
case OpCode.Sub:
case OpCode.Branch:
case OpCode.Jump:
num = 2;
break;
case OpCode.Range:
case OpCode.Balance:
case OpCode.IfDefined:
case OpCode.Test:
case OpCode.Anchor:
num = 3;
break;
case OpCode.Repeat:
case OpCode.FastRepeat:
case OpCode.Info:
num = 4;
break;
case OpCode.String:
num = image[pc + 1] + 2;
break;
case OpCode.Set:
num = image[pc + 2] + 3;
break;
default:
num = 1;
break;
}
pc += num;
}
}
public static string DisassembleOp(ushort[] image, int pc)
{
PatternCompiler.DecodeOp(image[pc], out OpCode op, out OpFlags flags);
string text = op.ToString();
if (flags != 0)
{
text = text + "[" + flags.ToString("f") + "]";
}
switch (op)
{
case OpCode.Info:
{
text = text + " " + image[pc + 1];
string text2 = text;
text = text2 + " (" + image[pc + 2] + ", " + image[pc + 3] + ")";
break;
}
case OpCode.Character:
text = text + " '" + FormatChar((char)image[pc + 1]) + "'";
break;
case OpCode.Category:
case OpCode.NotCategory:
text = text + " /" + (Category)image[pc + 1];
break;
case OpCode.Range:
text = text + " '" + FormatChar((char)image[pc + 1]) + "', ";
text = text + " '" + FormatChar((char)image[pc + 2]) + "'";
break;
case OpCode.Set:
text = text + " " + FormatSet(image, pc + 1);
break;
case OpCode.String:
text = text + " '" + ReadString(image, pc + 1) + "'";
break;
case OpCode.Position:
text = text + " /" + (Position)image[pc + 1];
break;
case OpCode.Reference:
case OpCode.Open:
case OpCode.Close:
text = text + " " + image[pc + 1];
break;
case OpCode.Balance:
{
string text2 = text;
text = text2 + " " + image[pc + 1] + " " + image[pc + 2];
break;
}
case OpCode.IfDefined:
case OpCode.Anchor:
text = text + " :" + FormatAddress(pc + image[pc + 1]);
text = text + " " + image[pc + 2];
break;
case OpCode.In:
case OpCode.Sub:
case OpCode.Branch:
case OpCode.Jump:
text = text + " :" + FormatAddress(pc + image[pc + 1]);
break;
case OpCode.Test:
text = text + " :" + FormatAddress(pc + image[pc + 1]);
text = text + ", :" + FormatAddress(pc + image[pc + 2]);
break;
case OpCode.Repeat:
case OpCode.FastRepeat:
{
text = text + " :" + FormatAddress(pc + image[pc + 1]);
string text2 = text;
text = text2 + " (" + image[pc + 2] + ", ";
text = ((image[pc + 3] != ushort.MaxValue) ? (text + image[pc + 3]) : (text + "Inf"));
text += ")";
break;
}
}
return(text);
}