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97 lines
3.0 KiB
VimL
97 lines
3.0 KiB
VimL
" Vim filetype plugin file
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" Language: Bazel (http://bazel.io)
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" Maintainer: David Barnett (https://github.com/google/vim-ft-bzl)
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" Last Change: 2021 Jan 19
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""
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" @section Introduction, intro
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" Core settings for the bzl filetype, used for BUILD and *.bzl files for the
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" Bazel build system (http://bazel.io/).
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if exists('b:did_ftplugin')
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finish
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endif
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" Vim 7.4.051 has opinionated settings in ftplugin/python.vim that try to force
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" PEP8 conventions on every python file, but these conflict with Google's
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" indentation guidelines. As a workaround, we explicitly source the system
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" ftplugin, but save indentation settings beforehand and restore them after.
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let s:save_expandtab = &l:expandtab
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let s:save_shiftwidth = &l:shiftwidth
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let s:save_softtabstop = &l:softtabstop
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let s:save_tabstop = &l:tabstop
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" NOTE: Vim versions before 7.3.511 had a ftplugin/python.vim that was broken
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" for compatible mode.
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let s:save_cpo = &cpo
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set cpo&vim
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" Load base python ftplugin (also defines b:did_ftplugin).
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source $VIMRUNTIME/ftplugin/python.vim
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" NOTE: Vim versions before 7.4.104 and later set this in ftplugin/python.vim.
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setlocal comments=b:#,fb:-
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" Restore pre-existing indentation settings.
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let &l:expandtab = s:save_expandtab
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let &l:shiftwidth = s:save_shiftwidth
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let &l:softtabstop = s:save_softtabstop
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let &l:tabstop = s:save_tabstop
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setlocal formatoptions-=t
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" Make gf work with imports in BUILD files.
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setlocal includeexpr=substitute(v:fname,'//','','')
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" Enable syntax-based folding, if specified.
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if get(g:, 'ft_bzl_fold', 0)
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setlocal foldmethod=syntax
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setlocal foldtext=BzlFoldText()
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endif
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if exists('*BzlFoldText')
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let &cpo = s:save_cpo
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unlet s:save_cpo
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finish
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endif
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function BzlFoldText() abort
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let l:start_num = nextnonblank(v:foldstart)
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let l:end_num = prevnonblank(v:foldend)
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if l:end_num <= l:start_num + 1
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" If the fold is empty, don't print anything for the contents.
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let l:content = ''
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else
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" Otherwise look for something matching the content regex.
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" And if nothing matches, print an ellipsis.
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let l:content = '...'
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for l:line in getline(l:start_num + 1, l:end_num - 1)
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let l:content_match = matchstr(l:line, '\m\C^\s*name = \zs.*\ze,$')
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if !empty(l:content_match)
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let l:content = l:content_match
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break
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endif
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endfor
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endif
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" Enclose content with start and end
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let l:start_text = getline(l:start_num)
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let l:end_text = substitute(getline(l:end_num), '^\s*', '', '')
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let l:text = l:start_text . ' ' . l:content . ' ' . l:end_text
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" Compute the available width for the displayed text.
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let l:width = winwidth(0) - &foldcolumn - (&number ? &numberwidth : 0)
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let l:lines_folded = ' ' . string(1 + v:foldend - v:foldstart) . ' lines'
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" Expand tabs, truncate, pad, and concatenate
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let l:text = substitute(l:text, '\t', repeat(' ', &tabstop), 'g')
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let l:text = strpart(l:text, 0, l:width - len(l:lines_folded))
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let l:padding = repeat(' ', l:width - len(l:lines_folded) - len(l:text))
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return l:text . l:padding . l:lines_folded
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endfunction
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let &cpo = s:save_cpo
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unlet s:save_cpo
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