65 lines
1.6 KiB
VimL
65 lines
1.6 KiB
VimL
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if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'lilypond') != -1
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finish
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endif
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" LilyPond indent file
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" Language: LilyPond
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" Maintainer: Heikki Junes <hjunes@cc.hut.fi>
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" Last Change: 2010 Jul 26
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"
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" Installed As: vim/indent/lilypond.vim
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"
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" Only load this indent file when no other was loaded.
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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 indentexpr=GetLilyPondIndent()
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setlocal indentkeys=o,O,},>>,!^F
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" Only define the function once.
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if exists("*GetLilyPondIndent")
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finish
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endif
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function GetLilyPondIndent()
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if v:lnum == 1
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return 0
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endif
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"Find a non-blank line above the current line.
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let lnum = prevnonblank(v:lnum - 1)
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"Check if a block was started: '{' or '<<' is the last non-blank character of the previous line.
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if getline(lnum) =~ '^.*\({\|<<\)\s*$'
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let ind = indent(lnum) + &sw
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else
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let ind = indent(lnum)
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endif
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"Check if a block was ended: '}' or '>>' is the first non-blank character of the current line.
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if getline(v:lnum) =~ '^\s*\(}\|>>\)'
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let ind = ind - &sw
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endif
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" Check if the first character from the previous line is within
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" a `lilyScheme' region, and if so, use lisp-style indentation
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" for the current line.
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"
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" TODO:
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" - Only works in version 7.1.215 or later, though it should
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" silently fail in older versions.
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" - We should support `lilyScheme' regions that begin in the
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" middle of the line, too.
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for id in synstack(lnum, 1)
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if synIDattr(id, "name") == "lilyScheme"
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let ind = lispindent(v:lnum)
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endif
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endfor
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return ind
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endfunction
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"
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"
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"
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