1 " Vim indent file 2 " Language: llvm 3 " Maintainer: The LLVM team, http://llvm.org/ 4 " What this indent plugin currently does: 5 " - If no other rule matches copy indent from previous non-empty, 6 " non-commented line 7 " - On '}' align the same as the line containing the matching '{' 8 " - If previous line ends with ':' increase indentation 9 " - If the current line ends with ':' indent at the same level as the 10 " enclosing '{'/'}' block 11 " Stuff that would be nice to add: 12 " - Continue comments on next line 13 " - If there is an opening+unclosed parenthesis on previous line indent to that 14 if exists("b:did_indent") 15 finish 16 endif 17 let b:did_indent = 1 18 19 setlocal shiftwidth=2 expandtab 20 21 setlocal indentkeys=0{,0},<:>,!^F,o,O,e 22 setlocal indentexpr=GetLLVMIndent() 23 24 if exists("*GetLLVMIndent") 25 finish 26 endif 27 28 function! FindOpenBrace(lnum) 29 call cursor(a:lnum, 1) 30 return searchpair('{', '', '}', 'bW') 31 endfun 32 33 function! GetLLVMIndent() 34 " On '}' align the same as the line containing the matching '{' 35 let thisline = getline(v:lnum) 36 if thisline =~ '^\s*}' 37 call cursor(v:lnum, 1) 38 silent normal % 39 let opening_lnum = line('.') 40 if opening_lnum != v:lnum 41 return indent(opening_lnum) 42 endif 43 endif 44 45 " Indent labels the same as the current opening block 46 if thisline =~ ':\s*$' 47 let blockbegin = FindOpenBrace(v:lnum) 48 if blockbegin > 0 49 return indent(blockbegin) 50 endif 51 endif 52 53 " Find a non-blank not-completely commented line above the current line. 54 let prev_lnum = prevnonblank(v:lnum - 1) 55 while prev_lnum > 0 && synIDattr(synID(prev_lnum, indent(prev_lnum)+1, 0), "name") =? "string\|comment" 56 let prev_lnum = prevnonblank(prev_lnum-1) 57 endwhile 58 " Hit the start of the file, use zero indent. 59 if prev_lnum == 0 60 return 0 61 endif 62 63 let ind = indent(prev_lnum) 64 let prevline = getline(prev_lnum) 65 66 " Add a 'shiftwidth' after lines that start a block or labels 67 if prevline =~ '{\s*$' || prevline =~ ':\s*$' 68 let ind = ind + &shiftwidth 69 endif 70 71 return ind 72 endfunction 73
