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- "=============================================================================
- " FILE: snippets.vim
- " AUTHOR: Shougo Matsushita <Shougo.Matsu at gmail.com>
- " License: MIT license
- "=============================================================================
-
- " Only load this indent file when no other was loaded.
- if exists('b:did_indent')
- finish
- endif
- let b:did_indent = 1
-
- if !exists('b:undo_indent')
- let b:undo_indent = ''
- else
- let b:undo_indent .= '|'
- endif
-
- setlocal autoindent
- setlocal indentexpr=SnippetsIndent()
- setlocal indentkeys=o,O,=include\ ,=snippet\ ,=abbr\ ,=prev_word\ ,=delete\ ,=alias\ ,=options\ ,=regexp\ ,!^F
-
- let b:undo_indent .= 'setlocal
- \ autoindent<
- \ indentexpr<
- \ indentkeys<
- \'
-
- function! SnippetsIndent() abort "{{{
- let line = getline('.')
- let prev_line = (line('.') == 1)? '' : getline(line('.')-1)
- let syntax = '\%(include\|snippet\|abbr\|prev_word\|delete\|alias\|options\|regexp\)\s'
- let defining = '\%(snippet\|abbr\|prev_word\|alias\|options\|regexp\)\s'
-
- "for indentkeys o,O
- if s:is_empty(line)
- if prev_line =~ '^' . defining
- return shiftwidth()
- else
- return -1
- endif
-
- "for indentkeys =words
- else
- if line =~ '^\s*' . syntax
- \ && (s:is_empty(prev_line)
- \ || prev_line =~ '^' . defining)
- return 0
- else
- return -1
- endif
- endif
- endfunction"}}}
-
- function! s:is_empty(line)
- return a:line =~ '^\s*$'
- endfunction
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