[lldb-dev] Command history query

[Jim Ingham via lldb-dev]

No, this was an inadvertent side effect of rewriting the command parser to use llvm's StringRef's.  Please file a bug (or submit a patch!)

Jim

> On Apr 18, 2017, at 10:49 PM, via lldb-dev <lldb-dev at lists.llvm.org> wrote:
> 
> Hello,
> 
> The query to repeat a command from history used to be !<command_number> but it looks like that doesnt work anymore. It seems to require a space in between (! <command_number>).
> 
> Was this change made intentionally ?
> 
> Code snippet from CommandHistory.cpp:
> 
> input_str = input_str.drop_front(); --> this drops the !
> 
>  size_t idx = 0;
>  if (input_str.front() == '-') {
>    if (input_str.drop_front(2).getAsInteger(0, idx))
>      return llvm::None;
>    if (idx >= m_history.size())
>      return llvm::None;
>    idx = m_history.size() - idx;
>  } else {
>    if (input_str.drop_front().getAsInteger(0, idx)) --> we drop here again
>      return llvm::None;
>    if (idx >= m_history.size())
>      return llvm::None;
> }
> 
> Thanks,
> Sudharsan Veeravalli
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