1" Language: Rust 2" Description: Vim ftplugin for Rust 3" Maintainer: Chris Morgan <[email protected]> 4" Maintainer: Kevin Ballard <[email protected]> 5" Last Change: June 08, 2016 6" For bugs, patches and license go to https://github.com/rust-lang/rust.vim 7 8if exists("b:did_ftplugin") 9 finish 10endif 11let b:did_ftplugin = 1 12 13let s:save_cpo = &cpo 14set cpo&vim 15 16augroup rust.vim 17autocmd! 18 19" Variables {{{1 20 21" The rust source code at present seems to typically omit a leader on /*! 22" comments, so we'll use that as our default, but make it easy to switch. 23" This does not affect indentation at all (I tested it with and without 24" leader), merely whether a leader is inserted by default or not. 25if exists("g:rust_bang_comment_leader") && g:rust_bang_comment_leader != 0 26 " Why is the `,s0:/*,mb:\ ,ex:*/` there, you ask? I don't understand why, 27 " but without it, */ gets indented one space even if there were no 28 " leaders. I'm fairly sure that's a Vim bug. 29 setlocal comments=s1:/*,mb:*,ex:*/,s0:/*,mb:\ ,ex:*/,:///,://!,:// 30else 31 setlocal comments=s0:/*!,m:\ ,ex:*/,s1:/*,mb:*,ex:*/,:///,://!,:// 32endif 33setlocal commentstring=//%s 34setlocal formatoptions-=t formatoptions+=croqnl 35" j was only added in 7.3.541, so stop complaints about its nonexistence 36silent! setlocal formatoptions+=j 37 38" smartindent will be overridden by indentexpr if filetype indent is on, but 39" otherwise it's better than nothing. 40setlocal smartindent nocindent 41 42if !exists("g:rust_recommended_style") || g:rust_recommended_style != 0 43 setlocal tabstop=4 shiftwidth=4 softtabstop=4 expandtab 44 setlocal textwidth=99 45endif 46 47" This includeexpr isn't perfect, but it's a good start 48setlocal includeexpr=substitute(v:fname,'::','/','g') 49 50setlocal suffixesadd=.rs 51 52if exists("g:ftplugin_rust_source_path") 53 let &l:path=g:ftplugin_rust_source_path . ',' . &l:path 54endif 55 56if exists("g:loaded_delimitMate") 57 if exists("b:delimitMate_excluded_regions") 58 let b:rust_original_delimitMate_excluded_regions = b:delimitMate_excluded_regions 59 endif 60 61 let s:delimitMate_extra_excluded_regions = ',rustLifetimeCandidate,rustGenericLifetimeCandidate' 62 63 " For this buffer, when delimitMate issues the `User delimitMate_map` 64 " event in the autocommand system, add the above-defined extra excluded 65 " regions to delimitMate's state, if they have not already been added. 66 autocmd User <buffer> 67 \ if expand('<afile>') ==# 'delimitMate_map' && match( 68 \ delimitMate#Get("excluded_regions"), 69 \ s:delimitMate_extra_excluded_regions) == -1 70 \| let b:delimitMate_excluded_regions = 71 \ delimitMate#Get("excluded_regions") 72 \ . s:delimitMate_extra_excluded_regions 73 \|endif 74 75 " For this buffer, when delimitMate issues the `User delimitMate_unmap` 76 " event in the autocommand system, delete the above-defined extra excluded 77 " regions from delimitMate's state (the deletion being idempotent and 78 " having no effect if the extra excluded regions are not present in the 79 " targeted part of delimitMate's state). 80 autocmd User <buffer> 81 \ if expand('<afile>') ==# 'delimitMate_unmap' 82 \| let b:delimitMate_excluded_regions = substitute( 83 \ delimitMate#Get("excluded_regions"), 84 \ '\C\V' . s:delimitMate_extra_excluded_regions, 85 \ '', 'g') 86 \|endif 87endif 88 89if has("folding") && exists('g:rust_fold') && g:rust_fold != 0 90 let b:rust_set_foldmethod=1 91 setlocal foldmethod=syntax 92 if g:rust_fold == 2 93 setlocal foldlevel< 94 else 95 setlocal foldlevel=99 96 endif 97endif 98 99if has('conceal') && exists('g:rust_conceal') && g:rust_conceal != 0 100 let b:rust_set_conceallevel=1 101 setlocal conceallevel=2 102endif 103 104" Motion Commands {{{1 105 106" Bind motion commands to support hanging indents 107nnoremap <silent> <buffer> [[ :call rust#Jump('n', 'Back')<CR> 108nnoremap <silent> <buffer> ]] :call rust#Jump('n', 'Forward')<CR> 109xnoremap <silent> <buffer> [[ :call rust#Jump('v', 'Back')<CR> 110xnoremap <silent> <buffer> ]] :call rust#Jump('v', 'Forward')<CR> 111onoremap <silent> <buffer> [[ :call rust#Jump('o', 'Back')<CR> 112onoremap <silent> <buffer> ]] :call rust#Jump('o', 'Forward')<CR> 113 114" Commands {{{1 115 116" See |:RustRun| for docs 117command! -nargs=* -complete=file -bang -buffer RustRun call rust#Run(<bang>0, <q-args>) 118 119" See |:RustExpand| for docs 120command! -nargs=* -complete=customlist,rust#CompleteExpand -bang -buffer RustExpand call rust#Expand(<bang>0, <q-args>) 121 122" See |:RustEmitIr| for docs 123command! -nargs=* -buffer RustEmitIr call rust#Emit("llvm-ir", <q-args>) 124 125" See |:RustEmitAsm| for docs 126command! -nargs=* -buffer RustEmitAsm call rust#Emit("asm", <q-args>) 127 128" See |:RustPlay| for docs 129command! -range=% RustPlay :call rust#Play(<count>, <line1>, <line2>, <f-args>) 130 131" See |:RustFmt| for docs 132command! -buffer RustFmt call rustfmt#Format() 133 134" See |:RustFmtRange| for docs 135command! -range -buffer RustFmtRange call rustfmt#FormatRange(<line1>, <line2>) 136 137" Mappings {{{1 138 139" Bind ⌘R in MacVim to :RustRun 140nnoremap <silent> <buffer> <D-r> :RustRun<CR> 141" Bind ⌘⇧R in MacVim to :RustRun! pre-filled with the last args 142nnoremap <buffer> <D-R> :RustRun! <C-r>=join(b:rust_last_rustc_args)<CR><C-\>erust#AppendCmdLine(' -- ' . join(b:rust_last_args))<CR> 143 144if !exists("b:rust_last_rustc_args") || !exists("b:rust_last_args") 145 let b:rust_last_rustc_args = [] 146 let b:rust_last_args = [] 147endif 148 149" Cleanup {{{1 150 151let b:undo_ftplugin = " 152 \ setlocal formatoptions< comments< commentstring< includeexpr< suffixesadd< 153 \|setlocal tabstop< shiftwidth< softtabstop< expandtab< textwidth< 154 \|if exists('b:rust_original_delimitMate_excluded_regions') 155 \|let b:delimitMate_excluded_regions = b:rust_original_delimitMate_excluded_regions 156 \|unlet b:rust_original_delimitMate_excluded_regions 157 \|else 158 \|unlet! b:delimitMate_excluded_regions 159 \|endif 160 \|if exists('b:rust_set_foldmethod') 161 \|setlocal foldmethod< foldlevel< 162 \|unlet b:rust_set_foldmethod 163 \|endif 164 \|if exists('b:rust_set_conceallevel') 165 \|setlocal conceallevel< 166 \|unlet b:rust_set_conceallevel 167 \|endif 168 \|unlet! b:rust_last_rustc_args b:rust_last_args 169 \|delcommand RustRun 170 \|delcommand RustExpand 171 \|delcommand RustEmitIr 172 \|delcommand RustEmitAsm 173 \|delcommand RustPlay 174 \|nunmap <buffer> <D-r> 175 \|nunmap <buffer> <D-R> 176 \|nunmap <buffer> [[ 177 \|nunmap <buffer> ]] 178 \|xunmap <buffer> [[ 179 \|xunmap <buffer> ]] 180 \|ounmap <buffer> [[ 181 \|ounmap <buffer> ]] 182 \|set matchpairs-=<:> 183 \" 184 185" }}}1 186 187" Code formatting on save 188if get(g:, "rustfmt_autosave", 0) 189 autocmd BufWritePre *.rs silent! call rustfmt#Format() 190endif 191 192augroup END 193 194let &cpo = s:save_cpo 195unlet s:save_cpo 196 197" vim: set noet sw=8 ts=8: 198