Object readConstant(BuffReader buf)
{
switch (buf.ReadByte())
{
case TAG_NIL:
return(null);
case TAG_BOOLEAN:
return(buf.ReadByte() != 0);
case TAG_INTEGER:
return(buf.ReadInt64());
case TAG_NUMBER:
return(buf.ReadDouble());
case TAG_SHORT_STR:
return(buf.ReadLuaString());
case TAG_LONG_STR:
return(buf.ReadLuaString());
default:
{
}
return(null);
}
}
void readConstants(BuffReader buf)
{
Constants = new Object[buf.ReadInt32()];
for (int i = 0; i < Constants.Length; i++)
{
Constants[i] = readConstant(buf);
}
}
void readUpvalueNames(BuffReader buf)
{
UpvalueNames = new string[buf.ReadInt32()];
for (int i = 0; i < UpvalueNames.Length; i++)
{
UpvalueNames[i] = buf.ReadLuaString();
}
}
void readCode(BuffReader buf)
{
Code = new int[buf.ReadInt32()];
for (int i = 0; i < Code.Length; i++)
{
Code[i] = buf.ReadInt32();
}
}
void readLineInfo(BuffReader buf)
{
LineInfo = new int[buf.ReadInt32()];
for (int i = 0; i < LineInfo.Length; i++)
{
LineInfo[i] = buf.ReadInt32();
}
}
void readLocVars(BuffReader buf)
{
LocVars = new LocVar[buf.ReadInt32()];
for (int i = 0; i < LocVars.Length; i++)
{
LocVars[i] = new LocVar();
LocVars[i].Read(buf);
}
}
void readProtos(BuffReader buf, string parentSource)
{
Protos = new Prototype[buf.ReadInt32()];
for (int i = 0; i < Protos.Length; i++)
{
Protos[i] = new Prototype();
Protos[i].Read(buf, parentSource);
}
}
void readUpvalues(BuffReader buf)
{
Upvalues = new Upvalue[buf.ReadInt32()];
for (int i = 0; i < Upvalues.Length; i++)
{
Upvalues[i] = new Upvalue();
Upvalues[i].Read(buf);
}
}
public static Prototype Undump(byte[] data)
{
BuffReader reader = new BuffReader(data);
checkHead(reader);
reader.ReadByte();
Prototype mainFunc = new Prototype();
mainFunc.Read(reader, "");
return(mainFunc);
}
public void Read(BuffReader buffReader, string parentSource)
{
Source = buffReader.ReadLuaString();
if (string.Empty == Source)
{
Source = parentSource;
}
LineDefined = buffReader.ReadInt32();
LastLineDefined = buffReader.ReadInt32();
NumParams = buffReader.ReadByte();
IsVararg = buffReader.ReadByte();
MaxStackSize = buffReader.ReadByte();
readCode(buffReader);
readConstants(buffReader);
readUpvalues(buffReader);
readProtos(buffReader, Source);
readLineInfo(buffReader);
readLocVars(buffReader);
readUpvalueNames(buffReader);
}
public void Read(BuffReader reader)
{
Instack = reader.ReadByte();
Idx = reader.ReadByte();
}
public void Read(BuffReader buf)
{
VarName = buf.ReadLuaString();
StartPc = buf.ReadInt32();
EndPc = buf.ReadInt32();
}
static void checkHead(BuffReader buf)
{
if (!Enumerable.SequenceEqual(LUA_SIGNATURE, buf.ReadBytes(4)))
{
Console.WriteLine("!Array.Equals(LUA_SIGNATURE, buf.ReadBytes(4))");
for (int i = 0; i < 4; i++)
{
Console.WriteLine($"byte {i}: {LUA_SIGNATURE[i]}");
}
return;
}
if (buf.ReadByte() != LUAC_VERSION)
{
Console.WriteLine($"Version {LUAC_VERSION}");
Console.WriteLine("buf.ReadByte() != LUAC_VERSION");
}
if (buf.ReadByte() != LUAC_FORMAT)
{
Console.WriteLine("buf.ReadByte() != LUAC_FORMAT");
}
if (!Enumerable.SequenceEqual(LUAC_DATA, buf.ReadBytes(6)))
{
Console.WriteLine("!Enumerable.SequenceEqual(LUAC_DATA, buf.ReadBytes(6))");
}
if (buf.ReadByte() != CINT_SIZE)
{
Console.WriteLine("buf.ReadByte() != CINT_SIZE");
}
if (buf.ReadByte() != CSZIET_SIZE)
{
Console.WriteLine($"CSZIET_SIZE {CSZIET_SIZE}");
Console.WriteLine("buf.ReadByte() != CSZIET_SIZE");
}
if (buf.ReadByte() != INSTRUCTION_SIZE)
{
Console.WriteLine("buf.ReadByte() != INSTRUCTION_SIZE");
}
if (buf.ReadByte() != LUA_INTEGER_SIZE)
{
Console.WriteLine("buf.ReadByte() != LUA_INTEGER_SIZE");
}
if (buf.ReadByte() != LUA_NUMBER_SIZE)
{
Console.WriteLine("buf.ReadByte() != LUA_NUMBER_SIZE");
}
if (buf.ReadInt64() != LUAC_INT)
{
Console.WriteLine("buf.ReadInt64() != LUAC_INT");
}
if (buf.ReadDouble() != LUAC_NUM)
{
Console.WriteLine("buf.ReadDouble() != LUAC_NUM");
}
}
