neovim/runtime/indent/lua.vim
Justin M. Keyes a98a6996c2 re-integrate runtime/ vim-patch:0 #938
Vim runtime files based on 7.4.384 / hg changeset 7090d7f160f7

Excluding:
  Amiga icons (*.info, icons/)
  doc/hangulin.txt
  tutor/
  spell/
  lang/ (only used for menu translations)
  macros/maze/, macros/hanoi/, macros/life/, macros/urm/
      These were used to test vi compatibility.
  termcap
      "Demonstration of a termcap file (for the Amiga and Archimedes)"

Helped-by: Rich Wareham <rjw57@cam.ac.uk>
Helped-by: John <john.schmidt.h@gmail.com>
Helped-by: Yann <yann@yann-salaun.com>
Helped-by: Christophe Badoit <c.badoit@lesiteimmo.com>
Helped-by: drasill <github@tof2k.com>
Helped-by: Tae Sandoval Murgan <taecilla@gmail.com>
Helped-by: Lowe Thiderman <lowe.thiderman@gmail.com>
2014-07-29 02:12:31 +00:00

64 lines
1.9 KiB
VimL

" Vim indent file
" Language: Lua script
" Maintainer: Marcus Aurelius Farias <marcus.cf 'at' bol.com.br>
" First Author: Max Ischenko <mfi 'at' ukr.net>
" Last Change: 2007 Jul 23
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=GetLuaIndent()
" To make Vim call GetLuaIndent() when it finds '\s*end' or '\s*until'
" on the current line ('else' is default and includes 'elseif').
setlocal indentkeys+=0=end,0=until
setlocal autoindent
" Only define the function once.
if exists("*GetLuaIndent")
finish
endif
function! GetLuaIndent()
" Find a non-blank line above the current line.
let prevlnum = prevnonblank(v:lnum - 1)
" Hit the start of the file, use zero indent.
if prevlnum == 0
return 0
endif
" Add a 'shiftwidth' after lines that start a block:
" 'function', 'if', 'for', 'while', 'repeat', 'else', 'elseif', '{'
let ind = indent(prevlnum)
let prevline = getline(prevlnum)
let midx = match(prevline, '^\s*\%(if\>\|for\>\|while\>\|repeat\>\|else\>\|elseif\>\|do\>\|then\>\)')
if midx == -1
let midx = match(prevline, '{\s*$')
if midx == -1
let midx = match(prevline, '\<function\>\s*\%(\k\|[.:]\)\{-}\s*(')
endif
endif
if midx != -1
" Add 'shiftwidth' if what we found previously is not in a comment and
" an "end" or "until" is not present on the same line.
if synIDattr(synID(prevlnum, midx + 1, 1), "name") != "luaComment" && prevline !~ '\<end\>\|\<until\>'
let ind = ind + &shiftwidth
endif
endif
" Subtract a 'shiftwidth' on end, else (and elseif), until and '}'
" This is the part that requires 'indentkeys'.
let midx = match(getline(v:lnum), '^\s*\%(end\|else\|until\|}\)')
if midx != -1 && synIDattr(synID(v:lnum, midx + 1, 1), "name") != "luaComment"
let ind = ind - &shiftwidth
endif
return ind
endfunction