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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 08:50:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 08:50:31 +0000 |
commit | aed8ce9da277f5ecffe968b324f242c41c3b752a (patch) | |
tree | d2e538394cb7a8a7c42a4aac6ccf1a8e3256999b /runtime/indent/go.vim | |
parent | Initial commit. (diff) | |
download | vim-aed8ce9da277f5ecffe968b324f242c41c3b752a.tar.xz vim-aed8ce9da277f5ecffe968b324f242c41c3b752a.zip |
Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | runtime/indent/go.vim | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/runtime/indent/go.vim b/runtime/indent/go.vim new file mode 100644 index 0000000..bf9ff75 --- /dev/null +++ b/runtime/indent/go.vim @@ -0,0 +1,66 @@ +" Vim indent file +" Language: Go +" Maintainer: David Barnett (https://github.com/google/vim-ft-go) +" Last Change: 2017 Jun 13 +" +" TODO: +" - function invocations split across lines +" - general line splits (line ends in an operator) + +if exists('b:did_indent') + finish +endif +let b:did_indent = 1 + +" C indentation is too far off useful, mainly due to Go's := operator. +" Let's just define our own. +setlocal nolisp +setlocal autoindent +setlocal indentexpr=GoIndent(v:lnum) +setlocal indentkeys+=<:>,0=},0=) + +if exists('*GoIndent') + finish +endif + +function! GoIndent(lnum) + let l:prevlnum = prevnonblank(a:lnum-1) + if l:prevlnum == 0 + " top of file + return 0 + endif + + " grab the previous and current line, stripping comments. + let l:prevl = substitute(getline(l:prevlnum), '//.*$', '', '') + let l:thisl = substitute(getline(a:lnum), '//.*$', '', '') + let l:previ = indent(l:prevlnum) + + let l:ind = l:previ + + if l:prevl =~ '[({]\s*$' + " previous line opened a block + let l:ind += shiftwidth() + endif + if l:prevl =~# '^\s*\(case .*\|default\):$' + " previous line is part of a switch statement + let l:ind += shiftwidth() + endif + " TODO: handle if the previous line is a label. + + if l:thisl =~ '^\s*[)}]' + " this line closed a block + let l:ind -= shiftwidth() + endif + + " Colons are tricky. + " We want to outdent if it's part of a switch ("case foo:" or "default:"). + " We ignore trying to deal with jump labels because (a) they're rare, and + " (b) they're hard to disambiguate from a composite literal key. + if l:thisl =~# '^\s*\(case .*\|default\):$' + let l:ind -= shiftwidth() + endif + + return l:ind +endfunction + +" vim: sw=2 sts=2 et |