vim9script

# Universal Ctags creator
# Maintainer: Sergey Matveev <stargrave@stargrave.org>
# License: GNU General Public License version 3 of the License or later
#
# Create "tags" file in your project's root first.
# Then :Ctags LANG to fill it.

export def Do(lang: string, onlyCmd: bool, verbose: bool)
    var dsts = tagfiles()
    if len(dsts) == 0
        echohl WarningMsg | echomsg "No tagfiles" | echohl None
        return
    endif
    var dst = sort(dsts, (a, b) => len(a) > len(b) ? 1 : len(a) == len(b) ? 0 : -1)[0]
    var src = "/" .. join(split(dst, "/")[: -3], "/")
    if dst[0] != "/"
        dst = getcwd() .. "/.tags/tags"
        src = getcwd()
    endif
    var cmdline = [
        "uctags",
        "--languages=" .. lang,
        "--python-kinds=-i",
        "--c++-kinds=+p",
        "--recurse",
    ]
    if verbose == v:true | cmdline += ["--verbose"] | endif
    cmdline += ["-f", dst, src]
    if onlyCmd == v:true
        echo join(cmdline, " ")
        return
    endif
    execute "!" .. join(cmdline, " ")
    if verbose != v:true | redraw! | endif
enddef