private void StateLoadLocalVariables(IBinaryAccessor accessor, Module module)
{
int count = accessor.Read7BitEncodedInt();
_localVariables = new List <TypeSignature>(count);
for (int i = 0; i < count; i++)
{
int token = accessor.ReadInt32();
_localVariables.Add(module.GetSignature <TypeSignature>(token));
}
}
private void StateLoadExceptionHandler(IBinaryAccessor accessor, Module module)
{
var handler = new ExceptionHandler();
handler.Type = (ExceptionHandlerType)accessor.ReadInt32();
handler.TryOffset = accessor.ReadInt32();
handler.TryLength = accessor.ReadInt32();
handler.HandlerOffset = accessor.ReadInt32();
handler.HandlerLength = accessor.ReadInt32();
handler.FilterOffset = accessor.ReadInt32();
int catchToken = accessor.ReadInt32();
handler.CatchType = module.GetSignature <TypeSignature>(catchToken);
_exceptionHandlers.Add(handler);
}
private void StateLoadInstructions(IBinaryAccessor accessor, Module module)
{
int instructionCount = accessor.Read7BitEncodedInt();
_instructions = new List <Instruction>(instructionCount);
for (int i = 0; i < instructionCount; i++)
{
OpCode opCode;
byte opByte = accessor.ReadByte();
if (opByte == 0xFE)
{
opByte = accessor.ReadByte();
opCode = OpCodes.OpCodeArray[256 + opByte];
}
else
{
opCode = OpCodes.OpCodeArray[opByte];
}
object value;
switch (opCode.OperandType)
{
case OperandType.InlineBrTarget:
{
value = accessor.ReadInt32();
}
break;
case OperandType.InlineField:
{
int token = accessor.ReadInt32();
value = module.GetSignature <Signature>(token);
}
break;
case OperandType.InlineI:
{
value = accessor.ReadInt32();
}
break;
case OperandType.InlineI8:
{
value = accessor.ReadInt64();
}
break;
case OperandType.InlineMethod:
{
int token = accessor.ReadInt32();
value = module.GetSignature <Signature>(token);
}
break;
case OperandType.InlineR:
{
value = accessor.ReadDouble();
}
break;
case OperandType.InlineSig:
{
int token = accessor.ReadInt32();
value = module.GetSignature <Signature>(token);
}
break;
case OperandType.InlineString:
{
// Token of a userdefined string, whose RID portion is actually an offset in the #US blob stream.
value = accessor.ReadLengthPrefixedString(Encoding.Unicode);
}
break;
case OperandType.InlineSwitch:
{
int count = accessor.ReadInt32();
int[] targets = new int[count];
for (int j = 0; j < count; j++)
{
targets[j] = accessor.ReadInt32();
}
value = targets;
}
break;
case OperandType.InlineTok:
{
int token = accessor.ReadInt32();
value = module.GetSignature <Signature>(token);
}
break;
case OperandType.InlineType:
{
int token = accessor.ReadInt32();
value = module.GetSignature <Signature>(token);
}
break;
case OperandType.InlineVar:
{
value = accessor.ReadInt16();
}
break;
case OperandType.ShortInlineBrTarget:
{
value = accessor.ReadSByte();
}
break;
case OperandType.ShortInlineI:
{
value = accessor.ReadByte();
}
break;
case OperandType.ShortInlineR:
{
value = accessor.ReadSingle();
}
break;
case OperandType.ShortInlineVar:
{
value = accessor.ReadByte();
}
break;
default:
{
value = null;
}
break;
}
_instructions.Add(new Instruction(opCode, value));
}
}
