[lldb-dev] Command history query

via lldb-dev lldb-dev at lists.llvm.org
Tue Apr 18 22:49:06 PDT 2017


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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