emacs/lisp/cedet/srecode/expandproto.el

133 lines
3.8 KiB
EmacsLisp

;;; srecode/expandproto.el --- Expanding prototypes. -*- lexical-binding: t; -*-
;; Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <zappo@gnu.org>
;; 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 3 of the License, 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. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Methods for expanding a prototype into an implementation.
(require 'ring)
(require 'semantic)
(require 'semantic/analyze)
(require 'semantic/senator)
(require 'srecode/insert)
(require 'srecode/dictionary)
(declare-function semantic-brute-find-tag-by-attribute-value "semantic/find")
;;; Code:
(defcustom srecode-expandproto-template-file-alist
'( ( c++-mode . "srecode-expandproto-cpp.srt" )
)
;; @todo - Make this variable auto-generated from the Makefile.
"Associate template files for expanding prototypes to a major mode."
:group 'srecode
:type '(repeat (cons (sexp :tag "Mode")
(sexp :tag "Filename"))
))
;;;###autoload
(defun srecode-insert-prototype-expansion ()
"Insert get/set methods for the current class."
(interactive)
(srecode-load-tables-for-mode major-mode)
(srecode-load-tables-for-mode major-mode
srecode-expandproto-template-file-alist)
(if (not (srecode-table))
(error "No template table found for mode %s" major-mode))
(let ((proto
;; Step 1: Find the prototype, or prototype list to expand.
(srecode-find-prototype-for-expansion)))
(if (not proto)
(error "Could not find prototype to expand"))
;; Step 2: Insert implementations of the prototypes.
))
(defun srecode-find-prototype-for-expansion ()
"Find a prototype to use for expanding into an implementation."
;; We may find a prototype tag in one of several places.
;; Search in order of logical priority.
(let ((proto nil)
)
;; 1) A class full of prototypes under point.
(let ((tag (semantic-current-tag)))
(when tag
(when (not (semantic-tag-of-class-p tag 'type))
(setq tag (semantic-current-tag-parent))))
(when (and tag (semantic-tag-of-class-p tag 'type))
;; If the current class has prototype members, then
;; we will do the whole class!
(require 'semantic/find)
(if (semantic-brute-find-tag-by-attribute-value
:prototype t
(semantic-tag-type-members tag))
(setq proto tag)))
)
;; 2) A prototype under point.
(when (not proto)
(let ((tag (semantic-current-tag)))
(when (and tag
(and
(semantic-tag-of-class-p tag 'function)
(semantic-tag-get-attribute tag :prototype)))
(setq proto tag))))
;; 3) A tag in the kill ring that is a prototype
(when (not proto)
(if (ring-empty-p senator-tag-ring)
nil ;; Not for us.
(let ((tag (ring-ref senator-tag-ring 0))
)
(when
(and tag
(or
(and
(semantic-tag-of-class-p tag 'function)
(semantic-tag-get-attribute tag :prototype))
(and
(semantic-tag-of-class-p tag 'type)
(require 'semantic/find)
(semantic-brute-find-tag-by-attribute-value
:prototype t
(semantic-tag-type-members tag))))
)
(setq proto tag))
)))
proto))
(provide 'srecode/expandproto)
;; Local variables:
;; generated-autoload-file: "loaddefs.el"
;; generated-autoload-load-name: "srecode/expandproto"
;; End:
;;; srecode/expandproto.el ends here