protected StatementList ReadBytecode()
{
var s = new MemoryStream(_bytecode);
var reader = new BinaryReader(s);
var bcReader = new BytecodeReader(_self.Package, reader);
var statements = new StatementList((Statement)null);
while (s.Position < s.Length)
{
int startOffset = (int)s.Position;
BytecodeToken bc;
try
{
bc = bcReader.ReadNext();
}
catch (EndOfStreamException)
{
break;
}
if (bc == null || bc is EndOfScriptToken)
{
break;
}
statements.Add(new Statement(startOffset, (int)s.Position, bc));
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);
}
public static void DumpUnknownBytecodes(StreamWriter writer)
{
foreach (byte b in _unknownBytecodes.Keys)
{
writer.WriteLine(b.ToString("X2"));
var occurrences = _unknownBytecodes[b];
foreach (var occurrence in occurrences)
{
var function = occurrence.Function;
writer.Write(" ");
WriteFunctionName(writer, function);
var bytes = occurrence.SubsequentBytes;
int skip = 0;
if (b == 0x0E)
{
skip = DumpNextBytecodes(writer, function, bytes, 4, 1);
}
writer.WriteLine(" " + BytecodeReader.DumpBytes(bytes, skip, 32));
}
}
}
protected StatementList ReadBytecode()
{
var s = new MemoryStream(_bytecode);
var reader = new BinaryReader(s);
var bcReader = new BytecodeReader(_self.Package, reader);
var statements = new StatementList((Statement) null);
while(s.Position < s.Length)
{
int startOffset = (int) s.Position;
BytecodeToken bc;
try
{
bc = bcReader.ReadNext();
}
catch (EndOfStreamException)
{
break;
}
if (bc == null || bc is EndOfScriptToken) break;
statements.Add(new Statement(startOffset, (int) s.Position, bc));
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;
}
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;
}
}
}
