kopia lustrzana https://github.com/c9/core
137 wiersze
4.1 KiB
EmacsLisp
137 wiersze
4.1 KiB
EmacsLisp
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;;; tern-auto-complete.el --- Tern Completion by auto-complete.el -*- lexical-binding: t -*-
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;; Author: <m.sakurai at kiwanami.net>
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;; Version: 0.0.1
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;; Package-Requires: ((tern "0.0.1") (auto-complete "1.4") (cl-lib "0.5") (emacs "24"))
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;;; Commentary:
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;; Display completion items with its type and document.
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;; If `tern-ac-on-dot' is non-nil (default), typing '.(dot)' invokes auto-complete with tern.
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;; Calling the command `tern-ac-complete', you can invoke auto-complete manually.
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;; This program does not provide an ac-source for arbitrary timing yet.
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;;; Installation:
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;; Add following lines below the tern setup code.
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;; (eval-after-load 'tern
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;; '(progn
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;; (require 'tern-auto-complete)
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;; (tern-ac-setup)))
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;;; Code:
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(require 'cl-lib)
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(require 'tern)
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(require 'auto-complete)
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;;; Completion
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(defcustom tern-ac-on-dot t
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"[AC] If t, tern enable completion by auto-completion."
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:type 'boolean
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:group 'auto-complete)
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(defcustom tern-ac-sync t
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"[AC] If t, auto-complete will wait for tern canditates before starting.
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This enables tern canditates to integrate automatically in auto-complete without
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the need for a separate keybinding.
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Remember to add ac-source-tern-completion to ac-sources."
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:type 'boolean
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:group 'auto-complete)
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(defvar tern-ac-complete-reply nil "[internal] tern-ac-complete-reply.")
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(defvar tern-ac-complete-request-point 0
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"[internal] The point where `tern-ac-complete-request' is called.")
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(defun tern-ac-complete-request (cc)
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(setq tern-last-point-pos (point))
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(setq tern-ac-complete-reply nil)
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(setq tern-ac-complete-request-point (point))
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(tern-run-query
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(lambda (data)
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(tern-ac-complete-response data)
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(funcall cc))
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`((type . "completions") (types . t) (docs . t) (caseInsensitive . t))
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(point)))
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(defun tern-ac-complete-response (data)
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(let ((cs (cl-loop for elt across (cdr (assq 'completions data)) collect elt))
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(start (+ 1 (cdr (assq 'start data))))
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(end (+ 1 (cdr (assq 'end data)))))
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(setq tern-last-completions (list (buffer-substring-no-properties start end) start end cs))
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(setq tern-ac-complete-reply cs)))
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(defun tern-ac-complete ()
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"Complete code at point by tern."
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(interactive)
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(tern-ac-complete-request
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(lambda ()
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(let ((ac-sources (cons 'ac-source-tern-completion ac-sources)))
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(ac-start)))))
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(defun tern-ac-dot-complete ()
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"Insert dot and complete code at point by tern."
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(interactive)
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(insert ".")
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(unless (nth 4 (syntax-ppss))
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(tern-ac-complete)))
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(defvar tern-ac-completion-truncate-length 22
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"[AC] truncation length for type summary.")
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(defun tern-ac-completion-matches ()
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(mapcar
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(lambda (item)
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(let ((doc (cdr (assq 'doc item)))
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(type (cdr (assq 'type item)))
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(name (cdr (assq 'name item))))
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(popup-make-item
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name
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:symbol (if (null type) "?" (if (string-match "fn" type) "f" "v"))
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:summary (truncate-string-to-width
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(or type "?") tern-ac-completion-truncate-length 0 nil "...")
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:document (concat type "\n\n" doc))))
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tern-ac-complete-reply))
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(defun tern-ac-completion-prefix ()
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(or (ac-prefix-default)
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(when (= tern-ac-complete-request-point (point))
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tern-ac-complete-request-point)))
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;; (makunbound 'ac-source-tern-completion)
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(ac-define-source tern-completion
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'((candidates . tern-ac-completion-matches)
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(prefix . tern-ac-completion-prefix)
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(requires . -1)))
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;;;###autoload
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(defun tern-ac-setup ()
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"Setup auto-complete for tern-mode."
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(interactive)
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(if tern-ac-on-dot
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(define-key tern-mode-keymap "." 'tern-ac-dot-complete)
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(define-key tern-mode-keymap "." nil)))
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(defvar tern-ac-js-major-modes '(js2-mode js-mode javascript-mode))
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(defadvice auto-complete (around add-tern-ac-candidates first activate)
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"Load tern-js canditates before ac-start."
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(if (and tern-ac-sync
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(memq major-mode tern-ac-js-major-modes)
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(not (or (ac-menu-live-p) (ac-inline-live-p))))
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(tern-ac-complete-request
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'auto-complete-1)
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ad-do-it))
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(provide 'tern-auto-complete)
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;;; tern-auto-complete.el ends here
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