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108 lines
2.9 KiB
VimL
108 lines
2.9 KiB
VimL
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" Author: Stephen Sugden <stephen@stephensugden.com>
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"
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" Adapted from https://github.com/fatih/vim-go
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" For bugs, patches and license go to https://github.com/rust-lang/rust.vim
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if !exists("g:rustfmt_autosave")
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let g:rustfmt_autosave = 0
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endif
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if !exists("g:rustfmt_command")
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let g:rustfmt_command = "rustfmt"
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endif
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if !exists("g:rustfmt_options")
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let g:rustfmt_options = ""
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endif
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if !exists("g:rustfmt_fail_silently")
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let g:rustfmt_fail_silently = 0
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endif
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let s:got_fmt_error = 0
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function! s:RustfmtCommandRange(filename, line1, line2)
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let l:arg = {"file": shellescape(a:filename), "range": [a:line1, a:line2]}
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return printf("%s %s --write-mode=overwrite --file-lines '[%s]'", g:rustfmt_command, g:rustfmt_options, json_encode(l:arg))
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endfunction
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function! s:RustfmtCommand(filename)
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return g:rustfmt_command . " --write-mode=overwrite " . g:rustfmt_options . " " . shellescape(a:filename)
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endfunction
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function! s:RunRustfmt(command, curw, tmpname)
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if exists("*systemlist")
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let out = systemlist(a:command)
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else
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let out = split(system(a:command), '\r\?\n')
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endif
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if v:shell_error == 0 || v:shell_error == 3
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" remove undo point caused via BufWritePre
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try | silent undojoin | catch | endtry
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" Replace current file with temp file, then reload buffer
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call rename(a:tmpname, expand('%'))
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silent edit!
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let &syntax = &syntax
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" only clear location list if it was previously filled to prevent
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" clobbering other additions
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if s:got_fmt_error
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let s:got_fmt_error = 0
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call setloclist(0, [])
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lwindow
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endif
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elseif g:rustfmt_fail_silently == 0
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" otherwise get the errors and put them in the location list
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let errors = []
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for line in out
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" src/lib.rs:13:5: 13:10 error: expected `,`, or `}`, found `value`
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let tokens = matchlist(line, '^\(.\{-}\):\(\d\+\):\(\d\+\):\s*\(\d\+:\d\+\s*\)\?\s*error: \(.*\)')
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if !empty(tokens)
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call add(errors, {"filename": @%,
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\"lnum": tokens[2],
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\"col": tokens[3],
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\"text": tokens[5]})
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endif
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endfor
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if empty(errors)
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% | " Couldn't detect rustfmt error format, output errors
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endif
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if !empty(errors)
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call setloclist(0, errors, 'r')
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echohl Error | echomsg "rustfmt returned error" | echohl None
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endif
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let s:got_fmt_error = 1
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lwindow
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" We didn't use the temp file, so clean up
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call delete(a:tmpname)
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endif
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call winrestview(a:curw)
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endfunction
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function! rustfmt#FormatRange(line1, line2)
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let l:curw = winsaveview()
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let l:tmpname = expand("%:p:h") . "/." . expand("%:p:t") . ".rustfmt"
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call writefile(getline(1, '$'), l:tmpname)
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let command = s:RustfmtCommandRange(l:tmpname, a:line1, a:line2)
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call s:RunRustfmt(command, l:curw, l:tmpname)
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endfunction
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function! rustfmt#Format()
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let l:curw = winsaveview()
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let l:tmpname = expand("%:p:h") . "/." . expand("%:p:t") . ".rustfmt"
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call writefile(getline(1, '$'), l:tmpname)
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let command = s:RustfmtCommand(l:tmpname)
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call s:RunRustfmt(command, l:curw, l:tmpname)
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endfunction
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