| " Vim indent file |
| " Language: ChaiScript |
| " Maintainer: Jason Turner <lefticus 'at' gmail com> |
| |
| " 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 |
| |
| " 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 |