98 lines
3.0 KiB
VimL
98 lines
3.0 KiB
VimL
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'elixir') == -1
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setlocal nosmartindent
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setlocal indentexpr=elixir#indent()
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setlocal indentkeys+=0),0],0=\|>,=->
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setlocal indentkeys+=0=end,0=else,0=match,0=elsif,0=catch,0=after,0=rescue
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if exists("b:did_indent") || exists("*elixir#indent")
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finish
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end
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let b:did_indent = 1
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let s:cpo_save = &cpo
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set cpo&vim
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function! elixir#indent()
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" initiates the `old_ind` dictionary
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let b:old_ind = get(b:, 'old_ind', {})
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" initiates the `line` dictionary
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let line = s:build_line(v:lnum)
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if s:is_beginning_of_file(line)
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" Reset `old_ind` dictionary at the beginning of the file
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let b:old_ind = {}
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" At the start of the file use zero indent.
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return 0
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elseif !s:is_indentable_line(line)
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" Keep last line indentation if the current line does not have an
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" indentable syntax
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return indent(line.last_non_blank.num)
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else
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" Calculates the indenation level based on the rules
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" All the rules are defined in `autoload/elixir/indent.vim`
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let ind = indent(line.last_non_blank.num)
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call s:debug('>>> line = ' . string(line.current))
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call s:debug('>>> ind = ' . ind)
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let ind = s:indent('deindent_case_arrow', ind, line)
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let ind = s:indent('indent_parenthesis', ind, line)
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let ind = s:indent('indent_square_brackets', ind, line)
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let ind = s:indent('indent_brackets', ind, line)
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let ind = s:indent('deindent_opened_symbols', ind, line)
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let ind = s:indent('indent_pipeline_assignment', ind, line)
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let ind = s:indent('indent_pipeline_continuation', ind, line)
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let ind = s:indent('indent_after_pipeline', ind, line)
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let ind = s:indent('indent_assignment', ind, line)
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let ind = s:indent('indent_ending_symbols', ind, line)
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let ind = s:indent('indent_keywords', ind, line)
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let ind = s:indent('deindent_keywords', ind, line)
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let ind = s:indent('deindent_ending_symbols', ind, line)
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let ind = s:indent('indent_case_arrow', ind, line)
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let ind = s:indent('indent_ecto_queries', ind, line)
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call s:debug('<<< final = ' . ind)
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return ind
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end
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endfunction
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function s:indent(rule, ind, line)
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let Fn = function('elixir#indent#'.a:rule)
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let ind = Fn(a:ind, a:line)
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call s:debug(a:rule . ' = ' . ind)
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return ind
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endfunction
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function s:debug(message)
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if get(g:, 'elixir_indent_debug', 0)
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echom a:message
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end
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endfunction
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function! s:is_beginning_of_file(line)
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return a:line.last_non_blank.num == 0
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endfunction
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function! s:is_indentable_line(line)
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return elixir#util#is_indentable_at(a:line.current.num, 1)
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endfunction
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function! s:build_line(line)
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let line = { 'current': {}, 'last': {}, 'last_non_blank': {} }
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let line.current = s:new_line(a:line)
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let line.last = s:new_line(line.current.num - 1)
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let line.last_non_blank = s:new_line(prevnonblank(line.current.num - 1))
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return line
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endfunction
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function! s:new_line(num)
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return {
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\ "num": a:num,
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\ "text": getline(a:num)
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\ }
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endfunction
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let &cpo = s:cpo_save
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unlet s:cpo_save
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endif
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