.vim/plugin/cscope_maps.vim
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     1 """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
       
     2 " CSCOPE settings for vim           
       
     3 """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
       
     4 "
       
     5 " This file contains some boilerplate settings for vim's cscope interface,
       
     6 " plus some keyboard mappings that I've found useful.
       
     7 "
       
     8 " USAGE: 
       
     9 " -- vim 6:     Stick this file in your ~/.vim/plugin directory (or in a
       
    10 "               'plugin' directory in some other directory that is in your
       
    11 "               'runtimepath'.
       
    12 "
       
    13 " -- vim 5:     Stick this file somewhere and 'source cscope.vim' it from
       
    14 "               your ~/.vimrc file (or cut and paste it into your .vimrc).
       
    15 "
       
    16 " NOTE: 
       
    17 " These key maps use multiple keystrokes (2 or 3 keys).  If you find that vim
       
    18 " keeps timing you out before you can complete them, try changing your timeout
       
    19 " settings, as explained below.
       
    20 "
       
    21 " Happy cscoping,
       
    22 "
       
    23 " Jason Duell       jduell@alumni.princeton.edu     2002/3/7
       
    24 """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
       
    25 
       
    26 
       
    27 " This tests to see if vim was configured with the '--enable-cscope' option
       
    28 " when it was compiled.  If it wasn't, time to recompile vim... 
       
    29 if has("cscope")
       
    30 
       
    31     """"""""""""" Standard cscope/vim boilerplate
       
    32 
       
    33     " use both cscope and ctag for 'ctrl-]', ':ta', and 'vim -t'
       
    34     set cscopetag
       
    35 
       
    36     " check cscope for definition of a symbol before checking ctags: set to 1
       
    37     " if you want the reverse search order.
       
    38     set csto=0
       
    39 
       
    40     " add any cscope database in current directory
       
    41     if filereadable("cscope.out")
       
    42         cs add cscope.out  
       
    43     " else add the database pointed to by environment variable 
       
    44     elseif $CSCOPE_DB != ""
       
    45         cs add $CSCOPE_DB
       
    46     endif
       
    47 
       
    48     " show msg when any other cscope db added
       
    49     set cscopeverbose  
       
    50 
       
    51 
       
    52     """"""""""""" My cscope/vim key mappings
       
    53     "
       
    54     " The following maps all invoke one of the following cscope search types:
       
    55     "
       
    56     "   's'   symbol: find all references to the token under cursor
       
    57     "   'g'   global: find global definition(s) of the token under cursor
       
    58     "   'c'   calls:  find all calls to the function name under cursor
       
    59     "   't'   text:   find all instances of the text under cursor
       
    60     "   'e'   egrep:  egrep search for the word under cursor
       
    61     "   'f'   file:   open the filename under cursor
       
    62     "   'i'   includes: find files that include the filename under cursor
       
    63     "   'd'   called: find functions that function under cursor calls
       
    64     "
       
    65     " Below are three sets of the maps: one set that just jumps to your
       
    66     " search result, one that splits the existing vim window horizontally and
       
    67     " diplays your search result in the new window, and one that does the same
       
    68     " thing, but does a vertical split instead (vim 6 only).
       
    69     "
       
    70     " I've used CTRL-\ and CTRL-@ as the starting keys for these maps, as it's
       
    71     " unlikely that you need their default mappings (CTRL-\'s default use is
       
    72     " as part of CTRL-\ CTRL-N typemap, which basically just does the same
       
    73     " thing as hitting 'escape': CTRL-@ doesn't seem to have any default use).
       
    74     " If you don't like using 'CTRL-@' or CTRL-\, , you can change some or all
       
    75     " of these maps to use other keys.  One likely candidate is 'CTRL-_'
       
    76     " (which also maps to CTRL-/, which is easier to type).  By default it is
       
    77     " used to switch between Hebrew and English keyboard mode.
       
    78     "
       
    79     " All of the maps involving the <cfile> macro use '^<cfile>$': this is so
       
    80     " that searches over '#include <time.h>" return only references to
       
    81     " 'time.h', and not 'sys/time.h', etc. (by default cscope will return all
       
    82     " files that contain 'time.h' as part of their name).
       
    83 
       
    84 
       
    85     " To do the first type of search, hit 'CTRL-\', followed by one of the
       
    86     " cscope search types above (s,g,c,t,e,f,i,d).  The result of your cscope
       
    87     " search will be displayed in the current window.  You can use CTRL-T to
       
    88     " go back to where you were before the search.  
       
    89     "
       
    90 
       
    91     nmap <C-\>s :cs find s <C-R>=expand("<cword>")<CR><CR>	
       
    92     nmap <C-\>g :cs find g <C-R>=expand("<cword>")<CR><CR>	
       
    93     nmap <C-\>c :cs find c <C-R>=expand("<cword>")<CR><CR>	
       
    94     nmap <C-\>t :cs find t <C-R>=expand("<cword>")<CR><CR>	
       
    95     nmap <C-\>e :cs find e <C-R>=expand("<cword>")<CR><CR>	
       
    96     nmap <C-\>f :cs find f <C-R>=expand("<cfile>")<CR><CR>	
       
    97     nmap <C-\>i :cs find i ^<C-R>=expand("<cfile>")<CR>$<CR>
       
    98     nmap <C-\>d :cs find d <C-R>=expand("<cword>")<CR><CR>	
       
    99 
       
   100 
       
   101     " Using 'CTRL-spacebar' (intepreted as CTRL-@ by vim) then a search type
       
   102     " makes the vim window split horizontally, with search result displayed in
       
   103     " the new window.
       
   104     "
       
   105     " (Note: earlier versions of vim may not have the :scs command, but it
       
   106     " can be simulated roughly via:
       
   107     "    nmap <C-@>s <C-W><C-S> :cs find s <C-R>=expand("<cword>")<CR><CR>	
       
   108 
       
   109     nmap <C-@>s :scs find s <C-R>=expand("<cword>")<CR><CR>	
       
   110     nmap <C-@>g :scs find g <C-R>=expand("<cword>")<CR><CR>	
       
   111     nmap <C-@>c :scs find c <C-R>=expand("<cword>")<CR><CR>	
       
   112     nmap <C-@>t :scs find t <C-R>=expand("<cword>")<CR><CR>	
       
   113     nmap <C-@>e :scs find e <C-R>=expand("<cword>")<CR><CR>	
       
   114     nmap <C-@>f :scs find f <C-R>=expand("<cfile>")<CR><CR>	
       
   115     nmap <C-@>i :scs find i ^<C-R>=expand("<cfile>")<CR>$<CR>	
       
   116     nmap <C-@>d :scs find d <C-R>=expand("<cword>")<CR><CR>	
       
   117 
       
   118 
       
   119     " Hitting CTRL-space *twice* before the search type does a vertical 
       
   120     " split instead of a horizontal one (vim 6 and up only)
       
   121     "
       
   122     " (Note: you may wish to put a 'set splitright' in your .vimrc
       
   123     " if you prefer the new window on the right instead of the left
       
   124 
       
   125     nmap <C-@><C-@>s :vert scs find s <C-R>=expand("<cword>")<CR><CR>
       
   126     nmap <C-@><C-@>g :vert scs find g <C-R>=expand("<cword>")<CR><CR>
       
   127     nmap <C-@><C-@>c :vert scs find c <C-R>=expand("<cword>")<CR><CR>
       
   128     nmap <C-@><C-@>t :vert scs find t <C-R>=expand("<cword>")<CR><CR>
       
   129     nmap <C-@><C-@>e :vert scs find e <C-R>=expand("<cword>")<CR><CR>
       
   130     nmap <C-@><C-@>f :vert scs find f <C-R>=expand("<cfile>")<CR><CR>	
       
   131     nmap <C-@><C-@>i :vert scs find i ^<C-R>=expand("<cfile>")<CR>$<CR>	
       
   132     nmap <C-@><C-@>d :vert scs find d <C-R>=expand("<cword>")<CR><CR>
       
   133 
       
   134 
       
   135     """"""""""""" key map timeouts
       
   136     "
       
   137     " By default Vim will only wait 1 second for each keystroke in a mapping.
       
   138     " You may find that too short with the above typemaps.  If so, you should
       
   139     " either turn off mapping timeouts via 'notimeout'.
       
   140     "
       
   141     "set notimeout 
       
   142     "
       
   143     " Or, you can keep timeouts, by uncommenting the timeoutlen line below,
       
   144     " with your own personal favorite value (in milliseconds):
       
   145     "
       
   146     "set timeoutlen=4000
       
   147     "
       
   148     " Either way, since mapping timeout settings by default also set the
       
   149     " timeouts for multicharacter 'keys codes' (like <F1>), you should also
       
   150     " set ttimeout and ttimeoutlen: otherwise, you will experience strange
       
   151     " delays as vim waits for a keystroke after you hit ESC (it will be
       
   152     " waiting to see if the ESC is actually part of a key code like <F1>).
       
   153     "
       
   154     "set ttimeout 
       
   155     "
       
   156     " personally, I find a tenth of a second to work well for key code
       
   157     " timeouts. If you experience problems and have a slow terminal or network
       
   158     " connection, set it higher.  If you don't set ttimeoutlen, the value for
       
   159     " timeoutlent (default: 1000 = 1 second, which is sluggish) is used.
       
   160     "
       
   161     "set ttimeoutlen=100
       
   162 
       
   163 endif
       
   164 
       
   165