54 lines
1.2 KiB
VimL
54 lines
1.2 KiB
VimL
" Vim indent file
|
|
" Language: ChaiScript
|
|
" Maintainer: Jason Turner <lefticus 'at' gmail com>
|
|
" Last Change: 2022 Apr 06
|
|
|
|
" Only load this indent file when no other was loaded.
|
|
if exists("b:did_indent")
|
|
finish
|
|
endif
|
|
let b:did_indent = 1
|
|
|
|
setlocal indentexpr=GetChaiScriptIndent()
|
|
setlocal autoindent
|
|
|
|
let b:undo_indent = "setl ai< inde<"
|
|
|
|
" Only define the function once.
|
|
if exists("*GetChaiScriptIndent")
|
|
finish
|
|
endif
|
|
|
|
function! GetChaiScriptIndent()
|
|
" Find a non-blank line above the current line.
|
|
let lnum = prevnonblank(v:lnum - 1)
|
|
|
|
" Hit the start of the file, use zero indent.
|
|
if lnum == 0
|
|
return 0
|
|
endif
|
|
|
|
" Add a 'shiftwidth' after lines that start a block:
|
|
" lines containing a {
|
|
let ind = indent(lnum)
|
|
let flag = 0
|
|
let prevline = getline(lnum)
|
|
if prevline =~ '^.*{.*'
|
|
let ind = ind + shiftwidth()
|
|
let flag = 1
|
|
endif
|
|
|
|
" Subtract a 'shiftwidth' after lines containing a { followed by a }
|
|
" to keep it balanced
|
|
if flag == 1 && prevline =~ '.*{.*}.*'
|
|
let ind = ind - shiftwidth()
|
|
endif
|
|
|
|
" Subtract a 'shiftwidth' on lines ending with }
|
|
if getline(v:lnum) =~ '^\s*\%(}\)'
|
|
let ind = ind - shiftwidth()
|
|
endif
|
|
|
|
return ind
|
|
endfunction
|