1" Vim indent file 2" Language: VisualBasic (ft=vb) / Basic (ft=basic) / SaxBasic (ft=vb) 3" Author: Johannes Zellner <johannes@zellner.org> 4" Last Change: Fri, 18 Jun 2004 07:22:42 CEST 5" Small update 2010 Jul 28 by Maxim Kim 6 7if exists("b:did_indent") 8 finish 9endif 10let b:did_indent = 1 11 12setlocal autoindent 13setlocal indentexpr=VbGetIndent(v:lnum) 14setlocal indentkeys& 15setlocal indentkeys+==~else,=~elseif,=~end,=~wend,=~case,=~next,=~select,=~loop,<:> 16 17let b:undo_indent = "set ai< indentexpr< indentkeys<" 18 19" Only define the function once. 20if exists("*VbGetIndent") 21 finish 22endif 23 24fun! VbGetIndent(lnum) 25 " labels and preprocessor get zero indent immediately 26 let this_line = getline(a:lnum) 27 let LABELS_OR_PREPROC = '^\s*\(\<\k\+\>:\s*$\|#.*\)' 28 if this_line =~? LABELS_OR_PREPROC 29 return 0 30 endif 31 32 " Find a non-blank line above the current line. 33 " Skip over labels and preprocessor directives. 34 let lnum = a:lnum 35 while lnum > 0 36 let lnum = prevnonblank(lnum - 1) 37 let previous_line = getline(lnum) 38 if previous_line !~? LABELS_OR_PREPROC 39 break 40 endif 41 endwhile 42 43 " Hit the start of the file, use zero indent. 44 if lnum == 0 45 return 0 46 endif 47 48 let ind = indent(lnum) 49 50 " Add 51 if previous_line =~? '^\s*\<\(begin\|\%(\%(private\|public\|friend\)\s\+\)\=\%(function\|sub\|property\)\|select\|case\|default\|if\|else\|elseif\|do\|for\|while\|enum\|with\)\>' 52 let ind = ind + &sw 53 endif 54 55 " Subtract 56 if this_line =~? '^\s*\<end\>\s\+\<select\>' 57 if previous_line !~? '^\s*\<select\>' 58 let ind = ind - 2 * &sw 59 else 60 " this case is for an empty 'select' -- 'end select' 61 " (w/o any case statements) like: 62 " 63 " select case readwrite 64 " end select 65 let ind = ind - &sw 66 endif 67 elseif this_line =~? '^\s*\<\(end\|else\|elseif\|until\|loop\|next\|wend\)\>' 68 let ind = ind - &sw 69 elseif this_line =~? '^\s*\<\(case\|default\)\>' 70 if previous_line !~? '^\s*\<select\>' 71 let ind = ind - &sw 72 endif 73 endif 74 75 return ind 76endfun 77 78" vim:sw=4 79