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" Language: Rust " Description: Vim ftplugin for Rust " Maintainer: Chris Morgan <me@chrismorgan.info> " Maintainer: Kevin Ballard <kevin@sb.org> " Last Change: June 08, 2016 " For bugs, patches and license go to https://github.com/rust-lang/rust.vim if exists("b:did_ftplugin") finish endif let b:did_ftplugin = 1 let s:save_cpo = &cpo set cpo&vim augroup rust.vim autocmd! " Variables {{{1 " The rust source code at present seems to typically omit a leader on /*! " comments, so we'll use that as our default, but make it easy to switch. " This does not affect indentation at all (I tested it with and without " leader), merely whether a leader is inserted by default or not. if exists("g:rust_bang_comment_leader") && g:rust_bang_comment_leader != 0 " Why is the `,s0:/*,mb:\ ,ex:*/` there, you ask? I don't understand why, " but without it, */ gets indented one space even if there were no " leaders. I'm fairly sure that's a Vim bug. setlocal comments=s1:/*,mb:*,ex:*/,s0:/*,mb:\ ,ex:*/,:///,://!,:// else setlocal comments=s0:/*!,m:\ ,ex:*/,s1:/*,mb:*,ex:*/,:///,://!,:// endif setlocal commentstring=//%s setlocal formatoptions-=t formatoptions+=croqnl " j was only added in 7.3.541, so stop complaints about its nonexistence silent! setlocal formatoptions+=j " smartindent will be overridden by indentexpr if filetype indent is on, but " otherwise it's better than nothing. setlocal smartindent nocindent if !exists("g:rust_recommended_style") || g:rust_recommended_style != 0 setlocal tabstop=4 shiftwidth=4 softtabstop=4 expandtab setlocal textwidth=99 endif " This includeexpr isn't perfect, but it's a good start setlocal includeexpr=substitute(v:fname,'::','/','g') setlocal suffixesadd=.rs if exists("g:ftplugin_rust_source_path") let &l:path=g:ftplugin_rust_source_path . ',' . &l:path endif if exists("g:loaded_delimitMate") if exists("b:delimitMate_excluded_regions") let b:rust_original_delimitMate_excluded_regions = b:delimitMate_excluded_regions endif let s:delimitMate_extra_excluded_regions = ',rustLifetimeCandidate,rustGenericLifetimeCandidate' " For this buffer, when delimitMate issues the `User delimitMate_map` " event in the autocommand system, add the above-defined extra excluded " regions to delimitMate's state, if they have not already been added. autocmd User <buffer> \ if expand('<afile>') ==# 'delimitMate_map' && match( \ delimitMate#Get("excluded_regions"), \ s:delimitMate_extra_excluded_regions) == -1 \| let b:delimitMate_excluded_regions = \ delimitMate#Get("excluded_regions") \ . s:delimitMate_extra_excluded_regions \|endif " For this buffer, when delimitMate issues the `User delimitMate_unmap` " event in the autocommand system, delete the above-defined extra excluded " regions from delimitMate's state (the deletion being idempotent and " having no effect if the extra excluded regions are not present in the " targeted part of delimitMate's state). autocmd User <buffer> \ if expand('<afile>') ==# 'delimitMate_unmap' \| let b:delimitMate_excluded_regions = substitute( \ delimitMate#Get("excluded_regions"), \ '\C\V' . s:delimitMate_extra_excluded_regions, \ '', 'g') \|endif endif if has("folding") && exists('g:rust_fold') && g:rust_fold != 0 let b:rust_set_foldmethod=1 setlocal foldmethod=syntax if g:rust_fold == 2 setlocal foldlevel< else setlocal foldlevel=99 endif endif if has('conceal') && exists('g:rust_conceal') && g:rust_conceal != 0 let b:rust_set_conceallevel=1 setlocal conceallevel=2 endif " Motion Commands {{{1 " Bind motion commands to support hanging indents nnoremap <silent> <buffer> [[ :call rust#Jump('n', 'Back')<CR> nnoremap <silent> <buffer> ]] :call rust#Jump('n', 'Forward')<CR> xnoremap <silent> <buffer> [[ :call rust#Jump('v', 'Back')<CR> xnoremap <silent> <buffer> ]] :call rust#Jump('v', 'Forward')<CR> onoremap <silent> <buffer> [[ :call rust#Jump('o', 'Back')<CR> onoremap <silent> <buffer> ]] :call rust#Jump('o', 'Forward')<CR> " Commands {{{1 " See |:RustRun| for docs command! -nargs=* -complete=file -bang -buffer RustRun call rust#Run(<bang>0, <q-args>) " See |:RustExpand| for docs command! -nargs=* -complete=customlist,rust#CompleteExpand -bang -buffer RustExpand call rust#Expand(<bang>0, <q-args>) " See |:RustEmitIr| for docs command! -nargs=* -buffer RustEmitIr call rust#Emit("llvm-ir", <q-args>) " See |:RustEmitAsm| for docs command! -nargs=* -buffer RustEmitAsm call rust#Emit("asm", <q-args>) " See |:RustPlay| for docs command! -range=% RustPlay :call rust#Play(<count>, <line1>, <line2>, <f-args>) " See |:RustFmt| for docs command! -buffer RustFmt call rustfmt#Format() " See |:RustFmtRange| for docs command! -range -buffer RustFmtRange call rustfmt#FormatRange(<line1>, <line2>) " Mappings {{{1 " Bind ⌘R in MacVim to :RustRun nnoremap <silent> <buffer> <D-r> :RustRun<CR> " Bind ⌘⇧R in MacVim to :RustRun! pre-filled with the last args nnoremap <buffer> <D-R> :RustRun! <C-r>=join(b:rust_last_rustc_args)<CR><C-\>erust#AppendCmdLine(' -- ' . join(b:rust_last_args))<CR> if !exists("b:rust_last_rustc_args") || !exists("b:rust_last_args") let b:rust_last_rustc_args = [] let b:rust_last_args = [] endif " Cleanup {{{1 let b:undo_ftplugin = " \ setlocal formatoptions< comments< commentstring< includeexpr< suffixesadd< \|setlocal tabstop< shiftwidth< softtabstop< expandtab< textwidth< \|if exists('b:rust_original_delimitMate_excluded_regions') \|let b:delimitMate_excluded_regions = b:rust_original_delimitMate_excluded_regions \|unlet b:rust_original_delimitMate_excluded_regions \|else \|unlet! b:delimitMate_excluded_regions \|endif \|if exists('b:rust_set_foldmethod') \|setlocal foldmethod< foldlevel< \|unlet b:rust_set_foldmethod \|endif \|if exists('b:rust_set_conceallevel') \|setlocal conceallevel< \|unlet b:rust_set_conceallevel \|endif \|unlet! b:rust_last_rustc_args b:rust_last_args \|delcommand RustRun \|delcommand RustExpand \|delcommand RustEmitIr \|delcommand RustEmitAsm \|delcommand RustPlay \|nunmap <buffer> <D-r> \|nunmap <buffer> <D-R> \|nunmap <buffer> [[ \|nunmap <buffer> ]] \|xunmap <buffer> [[ \|xunmap <buffer> ]] \|ounmap <buffer> [[ \|ounmap <buffer> ]] \|set matchpairs-=<:> \" " }}}1 " Code formatting on save if get(g:, "rustfmt_autosave", 0) autocmd BufWritePre *.rs silent! call rustfmt#Format() endif augroup END let &cpo = s:save_cpo unlet s:save_cpo " vim: set noet sw=8 ts=8: