Usability improvements in logs buffer etc.

autoload/lldb/layout.vim

@@ -1,3 +1,13 @@
+function! s:logs_clear()
+  if input('Clear logs [y=yes]? ') == 'y'
+    if expand('%') == '[lldb]logs'
+      set ma
+      norm! ggdG
+      set noma
+    endif
+  endif
+endfun
+
 function! lldb#layout#init_buffers()
   let s:buffers = [ 'backtrace', 'breakpoints', 'disassembly',
                   \ 'locals', 'logs', 'registers', 'threads' ]
@@ -10,6 +20,11 @@ function! lldb#layout#init_buffers()
     call setbufvar(bnr, '&swf', 0)
     call setbufvar(bnr, '&ma', 0)
     exe 'silent b ' . bnr
+    if bname == 'logs'
+      nnoremap <buffer> i :call lldb#remote#stdin_prompt()<CR>
+      nnoremap <silent> <buffer> <nowait> d :call <SID>logs_clear()<CR>
+      nnoremap <silent> <buffer> <nowait> q :drop #<CR>
+    endif
     call setbufvar(bnr, '&nu', 0)
     call setbufvar(bnr, '&rnu', 0)
     call setbufvar(bnr, '&bl', 0)

autoload/lldb/remote.vim

@@ -10,6 +10,7 @@ function! lldb#remote#init(chan_id)
   let g:lldb#_channel_id = a:chan_id
   au VimLeavePre * call <SID>llnotify('exit')
   au TextChanged \[lldb\]logs norm! G
+  au BufEnter \[lldb\]logs norm! G
   call lldb#remote#define_commands()
 endfun
 
@@ -24,26 +25,34 @@ let s:ctrlchars = { 'BS': "\b",
                   \ 'LF': "\n",
                   \ 'NUL': "\0",
                   \ 'SPACE': " " }
-function! s:stdinctrl(A, L, P)
+function! s:stdincompl(A, L, P)
   return keys(s:ctrlchars) + [ '--raw' ]
 endfun
 
-function! s:stdin(arg)
-  if len(a:arg) > 0
-    if has_key(s:ctrlchars, a:arg)
-      return s:ctrlchars[a:arg]
-    elseif a:arg == '--raw'
-      return input('raw> ')
+function! lldb#remote#stdin_prompt(...)
+  let strin = ''
+  if a:0 == 1 && len(a:1) > 0
+    if has_key(s:ctrlchars, a:1)
+      let strin = s:ctrlchars[a:1]
+    elseif a:1 == '--raw'
+      let strin = input('raw> ')
     else
-      return input("Invalid input!\nraw> ")
+      let strin = input("Invalid argument!\nline> ", a:1) . "\n"
     endif
+  elseif a:0 > 1
+    let strin = input("Too many arguments!\nline> ", join(a:000, ' ')) . "\n"
   else
-    return input('line> ') . "\n"
+    let strin = input('line> ') . "\n"
   endif
+  call s:llnotify("stdin", strin)
 endfun
 
 function! lldb#remote#get_modes()
-  return rpcrequest(g:lldb#_channel_id, 'get_modes')
+  if exists('g:lldb#_channel_id')
+    return rpcrequest(g:lldb#_channel_id, 'get_modes')
+  else
+    return []
+  endif
 endfun
 
 function! lldb#remote#define_commands()
@@ -52,8 +61,8 @@ function! lldb#remote#define_commands()
           \ LLmode      call <SID>llnotify("mode", <f-args>)
   command!      -nargs=*    -complete=customlist,<SID>llcomplete
           \ LL          call <SID>llnotify("exec", <f-args>)
-  command!      -nargs=?    -complete=customlist,<SID>stdinctrl
-          \ LLstdin     call <SID>llnotify("stdin", <SID>stdin(<q-args>))
+  command!      -nargs=?    -complete=customlist,<SID>stdincompl
+          \ LLstdin     call lldb#remote#stdin_prompt(<f-args>)
 
   nnoremap <silent> <Plug>LLBreakSwitch
           \ :call <SID>llnotify("breakswitch", bufnr("%"), getcurpos()[1])<CR>

doc/lldb.txt

@@ -205,21 +205,21 @@ Below are some random points that might make your debugging life easier:
 
 * Do not create multiple targets -- currently not supported
 
-* Try out `:LL command history`
+* Try these out (in debug mode): `:LL help process` `:LL command history`
+
+* While in logs buffer, try pressing `i`, `d` or `q`
 
 * LLDB completions will be relative to the parent directory of session file.
   This is because regardless of the pwd of Vim, the plugin process will always
   be in the parent directory of the currently loaded session file.
 
 * Target should be deleted when exiting debugging mode, so that it can be
   re-added (after a compilation, may be) when re-entering debug mode.
-  - For compilation, I would suggest the neomake plugin by benekastah.
+  - For compiling, try using `:NeomakeSh` from neomake plugin by benekastah.
 
-* If you have an external script, I would suggest moving all breakpoint
+* If you have an external script, may I suggest moving all breakpoint
   management commands to the session file.
 
-* If logs buffer is focused, it will automatically scroll down on output.
-
 * Have a key-binding for `process interrupt` command; it will come in handy.
 
 ==============================================================================

rplugin/python/lldb_nvim/__init__.py

@@ -31,10 +31,14 @@ def _mode(self, mode):
   def _exec(self, *args):
     if args[0] == 'disassemble':
       self.ctrl.safe_call(self.ctrl.do_disassemble, [' '.join(args)])
-      self.ctrl.vimx.command('drop [lldb]disassembly')
+      if self.ctrl._target is not None:
+        self.ctrl.vimx.command('drop [lldb]disassembly')
     else:
       self.ctrl.safe_execute(args)
 
+    if args[0] == 'help':
+      self.ctrl.vimx.command('drop [lldb]logs')
+
   @neovim.rpc_export('stdin')
   def _stdin(self, strin):
     self.ctrl.safe_call(self.ctrl.put_stdin, [strin])