76 lines
1.9 KiB
VimL
76 lines
1.9 KiB
VimL
" asmfmt.vim: Vim command to format Go asm files with asmfmt
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" (github.com/klauspost/asmfmt).
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"
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" This filetype plugin adds new commands for asm buffers:
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"
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" :Fmt
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"
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" Filter the current asm buffer through asmfmt.
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" It tries to preserve cursor position and avoids
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" replacing the buffer with stderr output.
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"
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" Options:
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"
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" g:go_asmfmt_autosave [default=0]
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"
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" Flag to automatically call :Fmt when file is saved.
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" don't spam the user when Vim is started in Vi compatibility mode
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let s:cpo_save = &cpo
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set cpo&vim
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let s:got_fmt_error = 0
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" This is a trimmed-down version of the logic in fmt.vim.
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function! go#asmfmt#Format() abort
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" Save state.
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let l:curw = winsaveview()
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" Write the current buffer to a tempfile.
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let l:tmpname = tempname()
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call writefile(go#util#GetLines(), l:tmpname)
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" Run asmfmt.
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let [l:out, l:err] = go#util#Exec(['asmfmt', '-w', l:tmpname])
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if l:err
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call go#util#EchoError(l:out)
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return
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endif
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" Remove undo point caused by BufWritePre.
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try | silent undojoin | catch | endtry
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" Replace the current file with the temp file; then reload the buffer.
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let old_fileformat = &fileformat
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" save old file permissions
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let original_fperm = getfperm(expand('%'))
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call rename(l:tmpname, expand('%'))
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" restore old file permissions
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call setfperm(expand('%'), original_fperm)
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silent edit!
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let &fileformat = old_fileformat
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let &syntax = &syntax
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" Restore the cursor/window positions.
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call winrestview(l:curw)
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endfunction
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function! go#asmfmt#ToggleAsmFmtAutoSave() abort
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if go#config#AsmfmtAutosave()
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call go#config#SetAsmfmtAutosave(1)
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call go#util#EchoProgress("auto asmfmt enabled")
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return
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end
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call go#config#SetAsmfmtAutosave(0)
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call go#util#EchoProgress("auto asmfmt disabled")
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endfunction
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" restore Vi compatibility settings
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim: sw=2 ts=2 et
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