コード例 #1
0
        public CodeBlock DecompileCodeBlock(CodeBlockDefinition blockDefinition)
        {
            Position = blockDefinition.Offset;
            var instrBuilder = ImmutableArray.CreateBuilder <Instruction>();
            var refCollector = new ReferenceCollector(Module);
            ImmutableArray <byte> unrecognizedBytes = ImmutableArray <byte> .Empty;

            do
            {
                Instruction currInstruction = null;
                try
                {
                    currInstruction = NextInstruction();
                    if (currInstruction is EndOfScriptInstruction)
                    {
                        break;
                    }

                    if (instrBuilder.Count > 0)
                    {
                        var last = instrBuilder[instrBuilder.Count - 1];
                        currInstruction.Previous = last;
                        last.Next = currInstruction;
                    }
                }
                catch (UnrecognizedInstructionException)
                {
                    unrecognizedBytes = ModuleReader.ReadBytes(blockDefinition.EndOffset - Position).ToImmutableArray();
                    break;
                }

                instrBuilder.Add(currInstruction);
                refCollector.Visit(currInstruction);
            } while (Position < blockDefinition.EndOffset);

            return(new CodeBlock(blockDefinition)
            {
                Instructions = instrBuilder.ToImmutable(),
                UnrecognizedBytes = unrecognizedBytes,
                StringReferences = refCollector.Strings,
                CodeBlockReferences = refCollector.CodeBlocks,
                ExternalCodeBlockReferences = refCollector.ExternalCodeBlocks,
                DataBlockReferences = refCollector.DataBlocks
            });
        }