88 lines
2.2 KiB
VimL
88 lines
2.2 KiB
VimL
if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'vala') != -1
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finish
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endif
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" Vim indent file
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" Language: Vala
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" Author: Adrià Arrufat <adria.arrufat@protonmail.ch>
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" Last Change: 2016 Dec 04
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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 cindent
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setlocal cinoptions=L0,(0,Ws,J1,j1
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setlocal cinkeys=0{,0},!^F,o,O,0[,0]
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" Some preliminary settings
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setlocal nolisp " Make sure lisp indenting doesn't supersede us
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setlocal autoindent " indentexpr isn't much help otherwise
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setlocal indentexpr=GetValaIndent(v:lnum)
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" Only define the function once.
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if exists("*GetValaIndent")
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finish
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endif
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" Come here when loading the script the first time.
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function GetValaIndent(lnum)
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" Hit the start of the file, use zero indent.
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if a:lnum == 0
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return 0
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endif
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" Starting assumption: cindent (called at the end) will do it right
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" normally. We just want to fix up a few cases.
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let line = getline(a:lnum)
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" Search backwards for the previous non-empty line.
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let prevlinenum = prevnonblank(a:lnum - 1)
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let prevline = getline(prevlinenum)
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while prevlinenum > 1 && prevline !~ '[^[:blank:]]'
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let prevlinenum = prevnonblank(prevlinenum - 1)
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let prevline = s:getline(prevlinenum)
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endwhile
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" If previous line contains a code attribute (e.g. [CCode (...)])
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" don't increase the indentation
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if prevline =~? '^\s*\[[A-Za-z]' && prevline =~? '\]$'
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return indent(prevlinenum)
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endif
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" cindent gets lambda body wrong, as it treats the comma as indicating an
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" unfinished statement (fix borrowed from rust.vim indent file):
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"
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" list.foreach ((entry) => {
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" stdout.puts (entry);
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" stdout.putc ('\n');
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" if (entry == null) {
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" print ("empty entry\n");
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" }
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" });
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"
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" and we want it to be:
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" list.foreach ((entry) => {
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" stdout.puts (entry);
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" stdout.putc ('\n');
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" if (entry == null) {
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" print ("empty entry\n");
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" }
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" });
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if prevline[len(prevline) - 1] == ","
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\ && line !~ '^\s*[\[\]{}]'
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\ && prevline !~ '([^()]\+,$'
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\ && line !~ '^\s*\S\+\s*=>'
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return indent(prevlinenum)
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endif
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" Fall back on cindent, which does it mostly right
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return cindent(a:lnum)
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endfunction
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