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