61 lines
1.5 KiB
VimL
61 lines
1.5 KiB
VimL
" Vim indent file
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" Language: Kotlin
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" Maintainer: Alexander Udalov
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" URL: https://github.com/udalov/kotlin-vim
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" Last Change: 7 November 2021
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" 2023 Sep 17 by Vim Project (undo_indent)
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if exists('b:did_indent')
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finish
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endif
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let b:did_indent = 1
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setlocal cinoptions& cinoptions+=j1,L0
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setlocal indentexpr=GetKotlinIndent()
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setlocal indentkeys=0},0),!^F,o,O,e,<CR>
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setlocal autoindent " TODO ?
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let b:undo_indent = "setlocal autoindent< cinoptions< indentexpr< indentkeys<"
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" TODO teach it to count bracket balance, etc.
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function! GetKotlinIndent()
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if v:lnum == 0
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return 0
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endif
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let prev_num = prevnonblank(v:lnum - 1)
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let prev = getline(prev_num)
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let prev_indent = indent(prev_num)
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let cur = getline(v:lnum)
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if cur =~ '^\s*\*'
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return cindent(v:lnum)
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endif
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if prev =~ '^\s*\*/'
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let st = prev
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while st > 1
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if getline(st) =~ '^\s*/\*'
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break
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endif
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let st = st - 1
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endwhile
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return indent(st)
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endif
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let prev_open_paren = prev =~ '^.*(\s*$'
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let cur_close_paren = cur =~ '^\s*).*$'
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let prev_open_brace = prev =~ '^.*\({\|->\)\s*$'
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let cur_close_brace = cur =~ '^\s*}.*$'
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if prev_open_paren && !cur_close_paren || prev_open_brace && !cur_close_brace
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return prev_indent + shiftwidth()
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endif
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if cur_close_paren && !prev_open_paren || cur_close_brace && !prev_open_brace
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return prev_indent - shiftwidth()
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endif
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return prev_indent
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endfunction
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