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/ $Id: emacs.e,v 1.1 2000/04/27 16:33:47 petr Exp $ /
/ emacs menu for cscope /
((X) cscope (find current word [MACRO])
(extern symbol-character)
/ if this character is not part of a symbol /
(cond ((not symbol-character)
/ if the previous character is not part of a symbol, go to
the next word /
back
(cond ((not symbol-character) forward-word back-word))
))
/ get the current symbol (leave cursor at beginning of symbol) /
(while symbol-character forward) / go past last symbol character /
mark / mark this point /
back / back to last symbol character /
(while (cond (symbol-character (return back)))) / back fails at BOF /
(cond ((not symbol-character) forward)) / forward if not at BOF /
pickup-region / get the symbol /
(local-string symbol)
symbol=
/ if arg > 0 then display the menu /
(cond ((> arg 0) (display-menu
(format symbol "5 Find functions calling %l()")
(format symbol "4 Find functions called by %l()")
(format symbol "3 Find global definition of %l")
(format symbol "2 Find symbol %l")
"1 Call cscope"
5)
))
/ get the selection /
(local selection)
(selection= (read-character "Selection?"))
/ if the selection is in range /
(cond ((&& (>= selection '1') (<= selection '5'))
/ if the selection requests finding the symbol /
(local-string findsymbol)
(findsymbol= "")
(cond ((>= selection '2')
(findsymbol= (format (char-to-string (- selection 2)) symbol "-%l '%l'"))))
/ if arg > 1 or < 0 then don't update the cross-reference database /
(local-string doption)
(doption= "")
(cond ((|| (> arg 1) (< arg 0)) (doption= "-d")))
/ call cscope with usilent mode off /
(local oldmode) / save old usilent mode /
(oldmode= (set-mode "usilent" 0)) / turn off usilent mode /
(run-command (format doption findsymbol "cscope %l %l"))
(set-mode "usilent" oldmode) / restore usilent mode /
))
)
/ see if the current character is part of a symbol /
(symbol-character ()
(local c)
(c= current-character)
(return (cond ((&& (>= c 'a') (<= c 'z')))
((&& (>= c 'A') (<= c 'Z')))
((&& (>= c '0') (<= c '9')))
((== c '_'))
)
)
)
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