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patch 9.0.1958: cannot complete option values Commit: https://github.com/vim/vim/commit/900894b09a95398dfc75599e9f0aa2ea25723384 Author: Yee Cheng Chin <ychin.git@gmail.com> Date: Fri Sep 29 20:42:32 2023 +0200 patch 9.0.1958: cannot complete option values Problem: cannot complete option values Solution: Add completion functions for several options Add cmdline tab-completion for setting string options Add tab-completion for setting string options on the cmdline using `:set=` (along with `:set+=` and `:set-=`). The existing tab completion for setting options currently only works when nothing is typed yet, and it only fills in with the existing value, e.g. when the user does `:set diffopt=<Tab>` it will be completed to `set diffopt=internal,filler,closeoff` and nothing else. This isn't too useful as a user usually wants auto-complete to suggest all the possible values, such as 'iblank', or 'algorithm:patience'. For set= and set+=, this adds a new optional callback function for each option that can be invoked when doing completion. This allows for each option to have control over how completion works. For example, in 'diffopt', it will suggest the default enumeration, but if `algorithm:` is selected, it will further suggest different algorithm types like 'meyers' and 'patience'. When using set=, the existing option value will be filled in as the first choice to preserve the existing behavior. When using set+= this won't happen as it doesn't make sense. For flag list options (e.g. 'mouse' and 'guioptions'), completion will take into account existing typed values (and in the case of set+=, the existing option value) to make sure it doesn't suggest duplicates. For set-=, there is a new `ExpandSettingSubtract` function which will handle flag list and comma-separated options smartly, by only suggesting values that currently exist in the option. Note that Vim has some existing code that adds special handling for 'filetype', 'syntax', and misc dir options like 'backupdir'. This change preserves them as they already work, instead of converting to the new callback API for each option. closes: #13182 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>
author Christian Brabandt <cb@256bit.org>
date Fri, 29 Sep 2023 20:45:04 +0200
parents 695b50472e85
children
line wrap: on
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/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

/*
 * os_unixx.h -- include files that are only used in os_unix.c
 */

// Sun's sys/ioctl.h redefines symbols from termio world
#if defined(HAVE_SYS_IOCTL_H) && !defined(SUN_SYSTEM)
# include <sys/ioctl.h>
#endif

#ifndef USE_SYSTEM	// use fork/exec to start the shell

# if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT)
#  include <sys/wait.h>
# endif

# ifndef WEXITSTATUS
#  ifdef HAVE_UNION_WAIT
#   define WEXITSTATUS(stat_val) ((stat_val).w_T.w_Retcode)
#  else
#   define WEXITSTATUS(stat_val) (((stat_val) >> 8) & 0377)
#  endif
# endif

# ifndef WIFEXITED
#  ifdef HAVE_UNION_WAIT
#   define WIFEXITED(stat_val) ((stat_val).w_T.w_Termsig == 0)
#  else
#   define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
#  endif
# endif

#endif // !USE_SYSTEM

#ifdef HAVE_STROPTS_H
# ifdef sinix
#  define buf_T __system_buf_t__
# endif
# include <stropts.h>
# ifdef sinix
#  undef buf_T
# endif
#endif

#ifdef HAVE_STRING_H
# include <string.h>
#endif

#ifdef HAVE_SYS_STREAM_H
# include <sys/stream.h>
#endif

#ifdef HAVE_SYS_UTSNAME_H
# include <sys/utsname.h>
#endif

#ifdef HAVE_SYS_SYSTEMINFO_H
// <sys/systeminfo.h> uses SYS_NMLN but it may not be defined (CrayT3E).
# ifndef SYS_NMLN
#  define SYS_NMLN 32
# endif

# include <sys/systeminfo.h>	// for sysinfo
#endif

/*
 * We use termios.h if both termios.h and termio.h are available.
 * Termios is supposed to be a superset of termio.h.  Don't include them both,
 * it may give problems on some systems (e.g. hpux).
 * I don't understand why we don't want termios.h for apollo.
 */
#if defined(HAVE_TERMIOS_H) && !defined(apollo)
#  include <termios.h>
#else
# ifdef HAVE_TERMIO_H
#  include <termio.h>
# else
#  ifdef HAVE_SGTTY_H
#   include <sgtty.h>
#  endif
# endif
#endif

#ifdef HAVE_SYS_PTEM_H
# include <sys/ptem.h>	// must be after termios.h for Sinix
# ifndef _IO_PTEM_H	// For UnixWare that should check for _IO_PT_PTEM_H
#  define _IO_PTEM_H
# endif
#endif

// shared library access
#if defined(HAVE_DLFCN_H) && defined(USE_DLOPEN)
# if defined(__MVS__) && !defined (__SUSV3)
    // needed to define RTLD_LAZY (Anthony Giorgio)
#  define __SUSV3
# endif
# include <dlfcn.h>
#else
# if defined(HAVE_DL_H) && defined(HAVE_SHL_LOAD)
#  include <dl.h>
# endif
#endif