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
});
}
internal CodeBlock(CodeBlockDefinition blockDefinition)
{
Definition = blockDefinition;
}