mirror/emacs
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-11-27 07:37:33 +00:00
Code Issues Releases Activity
ba8d15f972
emacs/lisp/progmodes/cc-menus.el
Miles Bader ab5796a9f9 Add arch taglines
2003-09-01 15:45:59 +00:00

429 lines
15 KiB
EmacsLisp
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; cc-menus.el --- imenu support for CC Mode
;; Copyright (C) 1985,1987,1992-2003 Free Software Foundation, Inc.
;; Authors: 1998- Martin Stjernholm
;; 1992-1999 Barry A. Warsaw
;; 1987 Dave Detlefs and Stewart Clamen
;; 1985 Richard M. Stallman
;; Maintainer: bug-cc-mode@gnu.org
;; Created: 22-Apr-1997 (split from cc-mode.el)
;; Version: See cc-mode.el
;; Keywords: c languages oop
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;;; Code:
(eval-when-compile
(let ((load-path
(if (and (boundp 'byte-compile-dest-file)
(stringp byte-compile-dest-file))
(cons (file-name-directory byte-compile-dest-file) load-path)
load-path)))
(load "cc-bytecomp" nil t)))
(cc-require 'cc-defs)
;; The things referenced in imenu, which we don't require.
(cc-bytecomp-defvar imenu-case-fold-search)
(cc-bytecomp-defvar imenu-generic-expression)
(cc-bytecomp-defvar imenu-create-index-function)
(cc-bytecomp-defun imenu-progress-message)
;; imenu integration
(defvar cc-imenu-c-prototype-macro-regexp nil
"RE matching macro names used to conditionally specify function prototypes.
For example:
#ifdef __STDC__
#define _P(x) x
#else
#define _P(x) /*nothing*/
#endif
int main _P( (int argc, char *argv[]) )
A sample value might look like: `\\(_P\\|_PROTO\\)'.")
(defvar cc-imenu-c++-generic-expression
`(
;; Try to match ::operator definitions first. Otherwise `X::operator new ()'
;; will be incorrectly recognised as function `new ()' because the regexps
;; work by backtracking from the end of the definition.
(nil
,(concat
"^\\<.*"
"[^" c-alnum "_:<>~]" ; match any non-identifier char
; (note: this can be `\n')
"\\("
"\\([" c-alnum "_:<>~]*::\\)?" ; match an operator
"operator\\>[ \t]*"
"\\(()\\|[^(]*\\)" ; special case for `()' operator
"\\)"
"[ \t]*([^)]*)[ \t]*[^ \t;]" ; followed by ws, arg list,
; require something other than
; a `;' after the (...) to
; avoid prototypes. Can't
; catch cases with () inside
; the parentheses surrounding
; the parameters. e.g.:
; `int foo(int a=bar()) {...}'
) 1)
;; Special case to match a line like `main() {}'
;; e.g. no return type, not even on the previous line.
(nil
,(concat
"^"
"\\([" c-alpha "_][" c-alnum "_:<>~]*\\)" ; match function name
"[ \t]*(" ; see above, BUT
"[ \t]*\\([^ \t(*][^)]*\\)?)" ; the arg list must not start
"[ \t]*[^ \t;(]" ; with an asterisk or parentheses
) 1)
;; General function name regexp
(nil
,(concat
"^\\<" ; line MUST start with word char
"[^()]*" ; no parentheses before
"[^" c-alnum "_:<>~]" ; match any non-identifier char
"\\([" c-alpha "_][" c-alnum "_:<>~]*\\)" ; match function name
"\\([ \t\n]\\|\\\\\n\\)*(" ; see above, BUT the arg list
"\\([ \t\n]\\|\\\\\n\\)*\\([^ \t\n(*][^)]*\\)?)" ; must not start
"\\([ \t\n]\\|\\\\\n\\)*[^ \t\n;(]" ; with an asterisk or parentheses
) 1)
;; Special case for definitions using phony prototype macros like:
;; `int main _PROTO( (int argc,char *argv[]) )'.
;; This case is only included if cc-imenu-c-prototype-macro-regexp is set.
;; Only supported in c-code, so no `:<>~' chars in function name!
,@(if cc-imenu-c-prototype-macro-regexp
`((nil
,(concat
"^\\<.*" ; line MUST start with word char
"[^" c-alnum "_]" ; match any non-identifier char
"\\([" c-alpha "_][" c-alnum "_]*\\)" ; match function name
"[ \t]*" ; whitespace before macro name
cc-imenu-c-prototype-macro-regexp
"[ \t]*(" ; ws followed by first paren.
"[ \t]*([^)]*)[ \t]*)[ \t]*[^ \t;]" ; see above
) 1)))
;; Class definitions
("Class"
,(concat
"^" ; beginning of line is required
"\\(template[ \t]*<[^>]+>[ \t]*\\)?" ; there may be a `template <...>'
"\\(class\\|struct\\)[ \t]+"
"\\(" ; the string we want to get
"[" c-alnum "_]+" ; class name
"\\(<[^>]+>\\)?" ; possibly explicitly specialized
"\\)"
"\\([ \t\n]\\|\\\\\n\\)*[:{]"
) 3))
"Imenu generic expression for C++ mode. See `imenu-generic-expression'.")
(defvar cc-imenu-c-generic-expression
cc-imenu-c++-generic-expression
"Imenu generic expression for C mode. See `imenu-generic-expression'.")
(defvar cc-imenu-java-generic-expression
`((nil
,(concat
"[" c-alpha "_][\]\[." c-alnum "_]+[ \t\n\r]+" ; type spec
"\\([" c-alpha "_][" c-alnum "_]+\\)" ; method name
"[ \t\n\r]*"
;; An argument list that is either empty or contains at least
;; two identifiers with only space between them. This avoids
;; matching e.g. "else if (foo)".
(concat "([ \t\n\r]*"
"\\([\]\[.," c-alnum "_]+"
"[ \t\n\r]+"
"[\]\[.," c-alnum "_]"
"[\]\[.," c-alnum "_ \t\n\r]*"
"\\)?)")
"[.," c-alnum "_ \t\n\r]*"
"{"
) 1))
"Imenu generic expression for Java mode. See `imenu-generic-expression'.")
;; *Warning for cc-mode developers*
;;
;; `cc-imenu-objc-generic-expression' elements depend on
;; `cc-imenu-c++-generic-expression'. So if you change this
;; expression, you need to change following variables,
;; `cc-imenu-objc-generic-expression-*-index',
;; too. `cc-imenu-objc-function' uses these *-index variables, in
;; order to know where the each regexp *group \\(foobar\\)* elements
;; are started.
;;
;; *-index variables are initialized during `cc-imenu-objc-generic-expression'
;; being initialized.
;;
;; Internal variables
(defvar cc-imenu-objc-generic-expression-noreturn-index nil)
(defvar cc-imenu-objc-generic-expression-general-func-index nil)
(defvar cc-imenu-objc-generic-expression-proto-index nil)
(defvar cc-imenu-objc-generic-expression-objc-base-index nil)
(defvar cc-imenu-objc-generic-expression
(concat
;;
;; For C
;;
;; > Special case to match a line like `main() {}'
;; > e.g. no return type, not even on the previous line.
;; Pick a token by (match-string 1)
(car (cdr (nth 1 cc-imenu-c++-generic-expression))) ; -> index += 2
(prog2 (setq cc-imenu-objc-generic-expression-noreturn-index 1) "")
"\\|"
;; > General function name regexp
;; Pick a token by (match-string 3)
(car (cdr (nth 2 cc-imenu-c++-generic-expression))) ; -> index += 5
(prog2 (setq cc-imenu-objc-generic-expression-general-func-index 3) "")
;; > Special case for definitions using phony prototype macros like:
;; > `int main _PROTO( (int argc,char *argv[]) )'.
;; Pick a token by (match-string 8)
(if cc-imenu-c-prototype-macro-regexp
(concat
"\\|"
(car (cdr (nth 3 cc-imenu-c++-generic-expression))) ; -> index += 1
(prog2 (setq cc-imenu-objc-generic-expression-objc-base-index 9) "")
)
(prog2 (setq cc-imenu-objc-generic-expression-objc-base-index 8) "")
"") ; -> index += 0
(prog2 (setq cc-imenu-objc-generic-expression-proto-index 8) "")
;;
;; For Objective-C
;; Pick a token by (match-string 8 or 9)
;;
"\\|\\("
"^[-+][:" c-alnum "()*_<>\n\t ]*[;{]" ; Methods
"\\|"
"^@interface[\t ]+[" c-alnum "_]+[\t ]*:"
"\\|"
"^@interface[\t ]+[" c-alnum "_]+[\t ]*([" c-alnum "_]+)"
"\\|"
;; For NSObject, NSProxy and Object... They don't have super class.
"^@interface[\t ]+[" c-alnum "_]+[\t ]*.*$"
"\\|"
"^@implementation[\t ]+[" c-alnum "_]+[\t ]*([" c-alnum "_]+)"
"\\|"
"^@implementation[\t ]+[" c-alnum "_]+"
"\\|"
"^@protocol[\t ]+[" c-alnum "_]+" "\\)")
"Imenu generic expression for ObjC mode. See `imenu-generic-expression'.")
;; Imenu support for objective-c uses functions.
(defsubst cc-imenu-objc-method-to-selector (method)
"Return the objc selector style string of METHOD.
Example:
- perform: (SEL)aSelector withObject: object1 withObject: object2; /* METHOD */
=>
-perform:withObject:withObject:withObject: /* selector */"
;; This function does not do any hidden buffer changes.
(let ((return "") ; String to be returned
(p 0) ; Current scanning position in METHOD
(pmax (length method)) ;
char ; Current scanning target
(betweenparen 0) ; CHAR is in parentheses.
argreq ; An argument is required.
inargvar) ; position of CHAR is in an argument variable.
(while (< p pmax)
(setq char (aref method p)
p (1+ p))
(cond
;; Is CHAR part of a objc token?
((and (not inargvar) ; Ignore if CHAR is part of an argument variable.
(eq 0 betweenparen) ; Ignore if CHAR is in parentheses.
(or (and (<= ?a char) (<= char ?z))
(and (<= ?A char) (<= char ?Z))
(and (<= ?0 char) (<= char ?9))
(= ?_ char)))
(if argreq
(setq inargvar t
argreq nil)
(setq return (concat return (char-to-string char)))))
;; Or a white space?
((and inargvar (or (eq ?\ char) (eq ?\n char))
(setq inargvar nil)))
;; Or a method separator?
;; If a method separator, the next token will be an argument variable.
((eq ?: char)
(setq argreq t
return (concat return (char-to-string char))))
;; Or an open parentheses?
((eq ?\( char)
(setq betweenparen (1+ betweenparen)))
;; Or a close parentheses?
((eq ?\) char)
(setq betweenparen (1- betweenparen)))))
return))
(defun cc-imenu-objc-remove-white-space (str)
"Remove all spaces and tabs from STR."
;; This function does not do any hidden buffer changes.
(let ((return "")
(p 0)
(max (length str))
char)
(while (< p max)
(setq char (aref str p))
(setq p (1+ p))
(if (or (= char ?\ ) (= char ?\t))
()
(setq return (concat return (char-to-string char)))))
return))
(defun cc-imenu-objc-function ()
"imenu supports for objc-mode."
;; This function does not do any hidden buffer changes.
(let (methodlist
clist
;;
;; OBJC, Cnoreturn, Cgeneralfunc, Cproto are constants.
;;
;; *Warning for developers*
;; These constants depend on `cc-imenu-c++-generic-expression'.
;;
(OBJC cc-imenu-objc-generic-expression-objc-base-index)
;; Special case to match a line like `main() {}'
(Cnoreturn cc-imenu-objc-generic-expression-noreturn-index)
;; General function name regexp
(Cgeneralfunc cc-imenu-objc-generic-expression-general-func-index)
;; Special case for definitions using phony prototype macros like:
(Cproto cc-imenu-objc-generic-expression-proto-index)
langnum
;;
(classcount 0)
toplist
stupid
str
str2
(intflen (length "@interface"))
(implen (length "@implementation"))
(prtlen (length "@protocol"))
(func
;;
;; Does this emacs has buffer-substring-no-properties?
;;
(if (fboundp 'buffer-substring-no-properties)
'buffer-substring-no-properties
'buffer-substring)))
(goto-char (point-max))
(imenu-progress-message stupid 0)
;;
(while (re-search-backward cc-imenu-objc-generic-expression nil t)
(imenu-progress-message stupid)
(setq langnum (if (match-beginning OBJC)
OBJC
(cond
((match-beginning Cproto) Cproto)
((match-beginning Cgeneralfunc) Cgeneralfunc)
((match-beginning Cnoreturn) Cnoreturn))))
(setq str (funcall func (match-beginning langnum) (match-end langnum)))
;;
(cond
;;
;; C
;;
((not (eq langnum OBJC))
(setq clist (cons (cons str (match-beginning langnum)) clist)))
;;
;; ObjC
;;
;; An instance Method
((eq (aref str 0) ?-)
(setq str (concat "-" (cc-imenu-objc-method-to-selector str)))
(setq methodlist (cons (cons str
(match-beginning langnum))
methodlist)))
;; A factory Method
((eq (aref str 0) ?+)
(setq str (concat "+" (cc-imenu-objc-method-to-selector str)))
(setq methodlist (cons (cons str
(match-beginning langnum))
methodlist)))
;; Interface or implementation or protocol
((eq (aref str 0) ?@)
(setq classcount (1+ classcount))
(cond
((and (> (length str) implen)
(string= (substring str 0 implen) "@implementation"))
(setq str (substring str implen)
str2 "@implementation"))
((string= (substring str 0 intflen) "@interface")
(setq str (substring str intflen)
str2 "@interface"))
((string= (substring str 0 prtlen) "@protocol")
(setq str (substring str prtlen)
str2 "@protocol")))
(setq str (cc-imenu-objc-remove-white-space str))
(setq methodlist (cons (cons str2
(match-beginning langnum))
methodlist))
(setq toplist (cons nil (cons (cons str
methodlist) toplist))
methodlist nil))))
;;
(imenu-progress-message stupid 100)
(if (eq (car toplist) nil)
(setq toplist (cdr toplist)))
;; In this buffer, there is only one or zero @{interface|implementation|protocol}.
(if (< classcount 2)
(let ((classname (car (car toplist)))
(p (cdr (car (cdr (car toplist)))))
last)
(setq toplist (cons (cons classname p) (cdr (cdr (car toplist)))))
;; Add C lang token
(if clist
(progn
(setq last toplist)
(while (cdr last)
(setq last (cdr last)))
(setcdr last clist))))
;; Add C lang tokens as a sub menu
(if clist
(setq toplist (cons (cons "C" clist) toplist))))
;;
toplist
))
;(defvar cc-imenu-pike-generic-expression
; ())
; FIXME: Please contribute one!
(defun cc-imenu-init (mode-generic-expression
&optional mode-create-index-function)
;; This function does not do any hidden buffer changes.
(setq imenu-generic-expression mode-generic-expression
imenu-case-fold-search nil)
(when mode-create-index-function
(setq imenu-create-index-function mode-create-index-function)))
(cc-provide 'cc-menus)
;;; arch-tag: f6b60933-91f0-4145-ab44-70ca6d1b919b
;;; cc-menus.el ends here
Reference in New Issue View Git Blame Copy Permalink