private static int DumpNextBytecodes(StreamWriter writer, UnBytecodeOwner function, byte[] bytes, int startOffset, int nextBytecodes) { using (var stream = new MemoryStream(bytes)) { stream.Position = startOffset; using (var reader = new BinaryReader(stream)) { var bytecodeReader = new BytecodeReader(function.Package, reader); for (int i = 0; i < nextBytecodes; i++) { try { var bytecodeToken = bytecodeReader.ReadNext(); writer.WriteLine(" " + bytecodeToken); } catch (Exception) { writer.WriteLine(" error reading next bytecode"); break; } } return((int)reader.BaseStream.Position); } } }
protected StatementList ReadBytecode() { var s = new MemoryStream(_bytecode); var reader = new BinaryReader(s); var bcReader = new BytecodeReader(_self.FileRef, reader); var statements = new StatementList((Statement)null); while (s.Position < s.Length) { int startOffset = (int)s.Position; //Debug.WriteLine("Reading token at 0x" + startOffset.ToString("X4")); BytecodeToken bc; try { bc = bcReader.ReadNext(); } catch (Exception) { //extra bytes at the end can trigger this. They are not used. may be something like byte aligning or something break; } if (bc == null /*|| bc is EndOfScriptToken*/) { break; } statements.Add(new Statement(startOffset, (int)s.Position, bc, bcReader)); if (bc is ErrorBytecodeToken) { var errorToken = (ErrorBytecodeToken)bc; int bytecode = errorToken.UnknownBytecode; if (bytecode >= 0) { ProblemRegistry.RegisterUnknownBytecode((byte)bytecode, this, errorToken.SubsequentBytes); } else { ProblemRegistry.RegisterBytecodeError(this, errorToken.ToString()); } break; } } return(statements); }