private static IMachineFactory CreateMachineFactory(string pattern, RegexOptions options) { Parser psr = new Parser(); RegularExpression re = psr.ParseRegularExpression(pattern, options); #if NET_2_1 ICompiler cmp = new PatternCompiler(); #else ICompiler cmp; if (!old_rx) { if ((options & RegexOptions.Compiled) != 0) { cmp = new CILCompiler(); } else { cmp = new RxCompiler(); } } else { cmp = new PatternCompiler(); } #endif re.Compile(cmp, (options & RegexOptions.RightToLeft) != 0); IMachineFactory machineFactory = cmp.GetMachineFactory(); Hashtable mapping = new Hashtable(); machineFactory.Gap = psr.GetMapping(mapping); machineFactory.Mapping = mapping; machineFactory.NamesMapping = GetGroupNamesArray(machineFactory.GroupCount, machineFactory.Mapping); return(machineFactory); }
public static void DisassembleBlock(ushort[] image, int pc, int depth) { OpCode op; OpFlags flags; for (;;) { if (pc >= image.Length) { return; } PatternCompiler.DecodeOp(image[pc], out op, out flags); Console.Write(FormatAddress(pc) + ": "); // address Console.Write(new string (' ', depth * 2)); // indent Console.Write(DisassembleOp(image, pc)); // instruction Console.WriteLine(); int skip; switch (op) { case OpCode.False: case OpCode.True: case OpCode.Until: skip = 1; break; case OpCode.Character: case OpCode.Category: case OpCode.NotCategory: case OpCode.Position: case OpCode.Open: case OpCode.Close: case OpCode.Reference: case OpCode.Sub: case OpCode.Branch: case OpCode.Jump: case OpCode.In: skip = 2; break; case OpCode.Balance: case OpCode.IfDefined: case OpCode.Range: case OpCode.Test: case OpCode.Anchor: skip = 3; break; case OpCode.Repeat: case OpCode.FastRepeat: case OpCode.Info: skip = 4; break; case OpCode.String: skip = image[pc + 1] + 2; break; case OpCode.Set: skip = image[pc + 2] + 3; break; default: skip = 1; break; } pc += skip; } }
public static string DisassembleOp(ushort[] image, int pc) { OpCode op; OpFlags flags; PatternCompiler.DecodeOp(image[pc], out op, out flags); string str = op.ToString(); if (flags != 0) { str += "[" + flags.ToString("f") + "]"; } switch (op) { case OpCode.False: case OpCode.True: case OpCode.Until: default: break; case OpCode.Info: str += " " + image[pc + 1]; str += " (" + image[pc + 2] + ", " + image[pc + 3] + ")"; break; case OpCode.Character: str += " '" + FormatChar((char)image[pc + 1]) + "'"; break; case OpCode.Category: case OpCode.NotCategory: str += " /" + (Category)image[pc + 1]; break; case OpCode.Range: str += " '" + FormatChar((char)image[pc + 1]) + "', "; str += " '" + FormatChar((char)image[pc + 2]) + "'"; break; case OpCode.Set: str += " " + FormatSet(image, pc + 1); break; case OpCode.String: str += " '" + ReadString(image, pc + 1) + "'"; break; case OpCode.Position: str += " /" + (Position)image[pc + 1]; break; case OpCode.Open: case OpCode.Close: case OpCode.Reference: str += " " + image[pc + 1]; break; case OpCode.Balance: str += " " + image[pc + 1] + " " + image[pc + 2]; break; case OpCode.IfDefined: case OpCode.Anchor: str += " :" + FormatAddress(pc + image[pc + 1]); str += " " + image[pc + 2]; break; case OpCode.Sub: case OpCode.Branch: case OpCode.Jump: case OpCode.In: str += " :" + FormatAddress(pc + image[pc + 1]); break; case OpCode.Test: str += " :" + FormatAddress(pc + image[pc + 1]); str += ", :" + FormatAddress(pc + image[pc + 2]); break; case OpCode.Repeat: case OpCode.FastRepeat: str += " :" + FormatAddress(pc + image[pc + 1]); str += " (" + image[pc + 2] + ", "; if (image[pc + 3] == 0xffff) { str += "Inf"; } else { str += image[pc + 3]; } str += ")"; break; } return(str); }