internal void ReadBinaryEnv(BinDumpReader br, SymbolRef[] symbolRefs)
{
uint idx = br.ReadVarUInt32();
if (idx >= 1)
{
i_Env = symbolRefs[idx - 1];
}
}
/// <summary>
/// Reads a symbolref from a binary stream
/// </summary>
internal static SymbolRef ReadBinary(BinDumpReader br)
{
SymbolRef that = new SymbolRef();
that.i_Type = (SymbolRefType)br.ReadByte();
that.i_Index = br.ReadVarInt32();
that.i_Name = br.ReadString();
return(that);
}
internal static SourceRef ReadBinary(BinDumpReader reader, int sourceID)
{
var fromChar = (int)reader.ReadVarUInt32();
int toChar = fromChar + reader.ReadVarInt32();
var fromLine = (int)reader.ReadVarUInt32();
int toLine = fromLine + reader.ReadVarInt32();
return(new SourceRef(sourceID, fromChar, toChar, fromLine, toLine, reader.ReadBoolean()));
}
public void BinDump_VarUInt()
{
using (var stream = new MemoryStream())
{
var writer = new BinDumpWriter(stream);
var reader = new BinDumpReader(stream);
writer.WriteVarUInt32(12);
stream.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(reader.ReadVarUInt32(), 12);
stream.Seek(0, SeekOrigin.Begin);
writer.WriteVarUInt32(200);
stream.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(reader.ReadVarUInt32(), 200);
stream.Seek(0, SeekOrigin.Begin);
writer.WriteVarUInt32(17000);
stream.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(reader.ReadVarUInt32(), 17000);
stream.Seek(0, SeekOrigin.Begin);
writer.WriteVarUInt32(2100000);
stream.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(reader.ReadVarUInt32(), 2100000);
stream.Seek(0, SeekOrigin.Begin);
writer.WriteVarUInt32(200000118);
stream.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(reader.ReadVarUInt32(), 200000118);
stream.Seek(0, SeekOrigin.Begin);
writer.WriteVarUInt32(uint.MaxValue - 1);
stream.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(reader.ReadVarUInt32(), uint.MaxValue - 1);
stream.Seek(0, SeekOrigin.Begin);
}
}
internal int Undump(Stream stream, int sourceID, Table envTable, out bool hasUpvalues)
{
int baseAddress = m_RootChunk.Code.Count;
SourceRef sourceRef = new SourceRef(sourceID, 0, 0, 0, 0, false);
var br = new BinDumpReader(stream);
ulong headerMark = br.ReadUInt64();
if (headerMark != DUMP_CHUNK_MAGIC)
{
throw new ArgumentException("Not a MoonSharp chunk");
}
int version = br.ReadByte();
if (version != DUMP_CHUNK_VERSION)
{
throw new ArgumentException("Invalid version");
}
hasUpvalues = br.ReadBoolean();
int len = (int)br.ReadVarUInt32();
int numSymbs = (int)br.ReadVarUInt32();
SymbolRef[] allSymbs = new SymbolRef[numSymbs];
for (int i = 0; i < numSymbs; i++)
{
allSymbs[i] = SymbolRef.ReadBinary(br);
}
for (int i = 0; i < numSymbs; i++)
{
allSymbs[i].ReadBinaryEnv(br, allSymbs);
}
for (int i = 0; i <= len; i++)
{
Instruction I = Instruction.ReadBinary(br, baseAddress, envTable, allSymbs);
m_RootChunk.Code.Add(I);
}
for (int i = 0; i <= len; i++)
{
var c = br.ReadByte();
if (c == 0)
{
m_RootChunk.SourceRefs.Add(sourceRef);
}
else if (c == 1)
{
m_RootChunk.SourceRefs.Add(m_RootChunk.SourceRefs[m_RootChunk.SourceRefs.Count - 1]);
}
else
{
m_RootChunk.SourceRefs.Add(SourceRef.ReadBinary(br, sourceID));
}
}
return(baseAddress);
}
