124 lines
4.6 KiB
EmacsLisp
124 lines
4.6 KiB
EmacsLisp
;;; company-xcode.el --- company-mode completion backend for Xcode projects
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;; Copyright (C) 2009-2011, 2014 Free Software Foundation, Inc.
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;; Author: Nikolaj Schumacher
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'company)
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(require 'cl-lib)
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(defgroup company-xcode nil
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"Completion backend for Xcode projects."
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:group 'company)
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(defcustom company-xcode-xcodeindex-executable (executable-find "xcodeindex")
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"Location of xcodeindex executable."
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:type 'file)
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(defvar company-xcode-tags nil)
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(defun company-xcode-reset ()
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"Reset the cached tags."
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(interactive)
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(setq company-xcode-tags nil))
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(defcustom company-xcode-types
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'("Class" "Constant" "Enum" "Macro" "Modeled Class" "Structure"
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"Type" "Union" "Function")
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"The types of symbols offered by `company-xcode'.
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No context-enabled completion is available. Types like methods will be
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offered regardless of whether the class supports them. The defaults should be
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valid in most contexts."
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:set (lambda (variable value)
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(set variable value)
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(company-xcode-reset))
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:type '(set (const "Category") (const "Class") (const "Class Method")
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(const "Class Variable") (const "Constant") (const "Enum")
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(const "Field") (const "Instance Method")
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(const "Instance Variable") (const "Macro")
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(const "Modeled Class") (const "Modeled Method")
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(const "Modeled Property") (const "Property") (const "Protocol")
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(const "Structure") (const "Type") (const "Union")
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(const "Variable") (const "Function")))
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(defvar-local company-xcode-project 'unknown)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun company-xcode-fetch (project-bundle)
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(setq project-bundle (directory-file-name project-bundle))
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(message "Retrieving dump from %s..." project-bundle)
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(with-temp-buffer
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(let ((default-directory (file-name-directory project-bundle)))
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(call-process company-xcode-xcodeindex-executable nil (current-buffer)
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nil "dump" "-project"
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(file-name-nondirectory project-bundle) "-quiet")
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(goto-char (point-min))
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(let ((regexp (concat "^\\([^\t\n]*\\)\t[^\t\n]*\t"
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(regexp-opt company-xcode-types)
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"\t[^\t\n]*\t[^\t\n]*"))
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candidates)
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(while (re-search-forward regexp nil t)
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(cl-pushnew (match-string 1) candidates :test #'equal))
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(message "Retrieving dump from %s...done" project-bundle)
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candidates))))
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(defun company-xcode-find-project ()
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(let ((dir (if buffer-file-name
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(file-name-directory buffer-file-name)
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(expand-file-name default-directory)))
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(prev-dir nil)
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file)
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(while (not (or file (equal dir prev-dir)))
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(setq file (car (directory-files dir t ".xcodeproj\\'" t))
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prev-dir dir
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dir (file-name-directory (directory-file-name dir))))
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file))
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(defun company-xcode-tags ()
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(when (eq company-xcode-project 'unknown)
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(setq company-xcode-project (company-xcode-find-project)))
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(when company-xcode-project
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(cdr (or (assoc company-xcode-project company-xcode-tags)
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(car (push (cons company-xcode-project
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(company-xcode-fetch company-xcode-project))
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company-xcode-tags))))))
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;;;###autoload
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(defun company-xcode (command &optional arg &rest ignored)
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"`company-mode' completion backend for Xcode projects."
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(interactive (list 'interactive))
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(cl-case command
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(interactive (company-begin-backend 'company-xcode))
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(prefix (and company-xcode-xcodeindex-executable
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(company-xcode-tags)
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(not (company-in-string-or-comment))
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(or (company-grab-symbol) 'stop)))
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(candidates (let ((completion-ignore-case nil))
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(company-xcode-tags)
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(all-completions arg (company-xcode-tags))))))
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(provide 'company-xcode)
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;;; company-xcode.el ends here
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