/usr/share/vim/vim80/indent/logtalk.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | " Maintainer: Paulo Moura <pmoura@logtalk.org>
" Revised on: 2008.06.02
" Language: Logtalk
" This Logtalk indent file is a modified version of the Prolog
" indent file written by Gergely Kontra
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=GetLogtalkIndent()
setlocal indentkeys-=:,0#
setlocal indentkeys+=0%,-,0;,>,0)
" Only define the function once.
if exists("*GetLogtalkIndent")
finish
endif
function! GetLogtalkIndent()
" Find a non-blank line above the current line.
let pnum = prevnonblank(v:lnum - 1)
" Hit the start of the file, use zero indent.
if pnum == 0
return 0
endif
let line = getline(v:lnum)
let pline = getline(pnum)
let ind = indent(pnum)
" Previous line was comment -> use previous line's indent
if pline =~ '^\s*%'
retu ind
endif
" Check for entity opening directive on previous line
if pline =~ '^\s*:-\s\(object\|protocol\|category\)\ze(.*,$'
let ind = ind + shiftwidth()
" Check for clause head on previous line
elseif pline =~ ':-\s*\(%.*\)\?$'
let ind = ind + shiftwidth()
" Check for entity closing directive on previous line
elseif pline =~ '^\s*:-\send_\(object\|protocol\|category\)\.\(%.*\)\?$'
let ind = ind - shiftwidth()
" Check for end of clause on previous line
elseif pline =~ '\.\s*\(%.*\)\?$'
let ind = ind - shiftwidth()
endif
" Check for opening conditional on previous line
if pline =~ '^\s*\([(;]\|->\)' && pline !~ '\.\s*\(%.*\)\?$' && pline !~ '^.*\([)][,]\s*\(%.*\)\?$\)'
let ind = ind + shiftwidth()
endif
" Check for closing an unclosed paren, or middle ; or ->
if line =~ '^\s*\([);]\|->\)'
let ind = ind - shiftwidth()
endif
return ind
endfunction
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