From dbe9bc927f1114dd447e4ed58a5d23fb1f989246 Mon Sep 17 00:00:00 2001 From: Adam Stankiewicz Date: Sun, 19 Nov 2017 21:34:38 +0100 Subject: Change nix provider, closes #244 --- indent/nix.vim | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 indent/nix.vim (limited to 'indent') diff --git a/indent/nix.vim b/indent/nix.vim new file mode 100644 index 00000000..679b224f --- /dev/null +++ b/indent/nix.vim @@ -0,0 +1,86 @@ +if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'nix') == -1 + +" Vim indent file +" Language: Nix +" Maintainer: Daiderd Jordan +" URL: https://github.com/LnL7/vim-nix + +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +setlocal indentexpr=GetNixIndent() +setlocal indentkeys+=0=then,0=else,0=inherit,* + +if exists("*GetNixIndent") + finish +endif + +let s:cpo_save = &cpo +set cpo&vim + +let s:skip_syntax = '\%(Comment\|String\)$' +let s:block_open = '\%({\|[\)' +let s:block_close = '\%(}\|]\)' + +function! GetNixIndent() + let lnum = prevnonblank(v:lnum - 1) + let ind = indent(lnum) + + " At the start of the file use zero indent. + if lnum == 0 + return 0 + endif + + if synIDattr(synID(v:lnum, 1, 1), "name") !~ s:skip_syntax + let current_line = getline(v:lnum) + let last_line = getline(lnum) + + if last_line =~ s:block_open . '\s*$' + let ind += &sw + endif + + if current_line =~ '^\s*' . s:block_close + let ind -= &sw + endif + + if last_line =~ '\' + let ind -= &sw + endif + endif + + if synIDattr(synID(v:lnum, 1, 1), "name") =~ '^nixString' + let current_line = getline(v:lnum) + + let ind = indent(v:lnum) + let bslnum = searchpair('''''', '', '''''', 'bnW', + \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "InterpolationSpecial$"') + + if ind <= indent(bslnum) + let ind = indent(bslnum) + &sw + endif + + if current_line =~ '^\s*''''[^''\$]' + let ind = indent(bslnum) + endif + if current_line =~ '^\s*''''$' + let ind = indent(bslnum) + endif + endif + + return ind +endfunction + +let &cpo = s:cpo_save +unlet s:cpo_save + +endif -- cgit v1.2.3