52 lines
1.3 KiB
VimL
52 lines
1.3 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=1]
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"
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" Flag to automatically call :Fmt when file is saved.
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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()
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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(getline(1, '$'), l:tmpname)
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" Run asmfmt.
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let path = go#path#CheckBinPath("asmfmt")
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if empty(path)
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return
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endif
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let out = go#util#System(path . ' -w ' . l:tmpname)
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" If there's no error, replace the current file with the output.
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if go#util#ShellError() == 0
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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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call rename(l:tmpname, expand('%'))
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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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endif
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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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