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patch 8.1.0621: terminal debugger does not handle unexpected debugger exit

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Problem:    Terminal debugger does not handle unexpected debugger exit.
Solution:   Check for debugger job ended and close unused buffers. (Damien)
This commit is contained in:
Bram Moolenaar
2018-12-22 15:14:49 +01:00
parent 3ac55c8644
commit ef3c6a5b02
2 changed files with 19 additions and 5 deletions
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22
runtime/pack/dist/opt/termdebug/plugin/termdebug.vim vendored
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@ -142,6 +142,13 @@ func s:StartDebug_internal(dict)
endif
endfunc
" Use when debugger didn't start or ended.
func s:CloseBuffers()
exe 'bwipe! ' . s:ptybuf
exe 'bwipe! ' . s:commbuf
unlet! s:gdbwin
endfunc
func s:StartDebug_term(dict)
" Open a terminal window without a job, to run the debugged program in.
let s:ptybuf = term_start('NONE', {
@ -181,13 +188,11 @@ func s:StartDebug_term(dict)
let cmd = [g:termdebugger, '-quiet', '-tty', pty] + gdb_args
call ch_log('executing "' . join(cmd) . '"')
let s:gdbbuf = term_start(cmd, {
\ 'exit_cb': function('s:EndTermDebug'),
\ 'term_finish': 'close',
\ })
if s:gdbbuf == 0
echoerr 'Failed to open the gdb terminal window'
exe 'bwipe! ' . s:ptybuf
exe 'bwipe! ' . s:commbuf
call s:CloseBuffers()
return
endif
let s:gdbwin = win_getid(winnr())
@ -204,6 +209,13 @@ func s:StartDebug_term(dict)
" why the debugger doesn't work.
let try_count = 0
while 1
let gdbproc = term_getjob(s:gdbbuf)
if gdbproc == v:null || job_status(gdbproc) !=# 'run'
echoerr string(g:termdebugger) . ' exited unexpectedly'
call s:CloseBuffers()
return
endif
let response = ''
for lnum in range(1,200)
if term_getline(s:gdbbuf, lnum) =~ 'new-ui mi '
@ -211,8 +223,7 @@ func s:StartDebug_term(dict)
let response = term_getline(s:gdbbuf, lnum) . term_getline(s:gdbbuf, lnum + 1)
if response =~ 'Undefined command'
echoerr 'Sorry, your gdb is too old, gdb 7.12 is required'
exe 'bwipe! ' . s:ptybuf
exe 'bwipe! ' . s:commbuf
call s:CloseBuffers()
return
endif
if response =~ 'New UI allocated'
@ -243,6 +254,7 @@ func s:StartDebug_term(dict)
" "Type <return> to continue" prompt.
call s:SendCommand('set pagination off')
call job_setoptions(gdbproc, {'exit_cb': function('s:EndTermDebug')})
call s:StartDebugCommon(a:dict)
endfunc