Re: how to find the tag file according to the file you are editing

[xx...@foxmail.com]

枫林，Maybe my vimrc can give you some tips
"------------------------------------
"auto add tags and cscope.out
"自动递归路径增加tags和cscope.out文件
"------------------------------------
"get parent path
"获取当前路径的上一级的路径
function! GET_UP_PATH(dir)
    let pos=len(a:dir)-1
    while pos>0
        if (a:dir[pos]=="\\" )
            return  strpart(a:dir,0,pos)
        endif
        let pos=pos-1
    endwhile
    return  ""
endfunction

"find and add tags/cscope.out recusively
function! s:SET_TAGS()
    let dir = expand("%:p:h") 
    while dir!=""
        if findfile("tags",dir ) !=""
            exec "set tags+=" . dir . "\\tags"
        endif
        if findfile("cscope.out",dir ) !=""
            exec "cscope add " . dir . "\\cscope.out"
        endif
        let dir=GET_UP_PATH(dir)
    endwhile
endfunction

"auto it!!!
autocmd BufEnter * call s:SET_TAGS()


2009-06-04 






发件人： 枫林 
发送时间： 2009-06-04  15:19:21 
收件人： vim_use 
抄送： 
主题： how to find the tag file according to the file you are editing 
 
hi everyone
   this is a problem I meet but I don't know how to fix:
   I don't konw the tag file path, but it may be in the same path as the 
editing file, maybe in its parent path,or maybe in its parent parent path. I 
want vim to find the tag file recusively.
   if use "set autochdir", vim only searches the tag file in the same path as 
the editing file

ps:
  I am using GVIM7.2 

thanks a lot
wayne



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