dotfiles/elpa/python-mode-6.0.10/completion/pycomplete.el

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2013-03-15 11:35:58 -06:00
;;; Complete symbols at point using Pymacs.
;; Copyright (C) 2007 Skip Montanaro
;; Author: Skip Montanaro
;; Maintainer: skip@pobox.com
;; Created: Oct 2004
;; Keywords: python pymacs emacs
;; This software is provided as-is, without express or implied warranty.
;; Permission to use, copy, modify, distribute or sell this software,
;; without fee, for any purpose and by any individual or organization, is
;; hereby granted, provided that the above copyright notice and this
;; paragraph appear in all copies.
;; Along with pycomplete.py this file allows programmers to complete Python
;; symbols within the current buffer. See pycomplete.py for the Python side
;; of things and a short description of what to expect.
(require 'pymacs)
(pymacs-load "pycomplete")
(defun py-symbol-near-point ()
"Return the first textual item to the nearest point."
;; alg stolen from etag.el
(save-excursion
(with-syntax-table py-dotted-expression-syntax-table
(if (or (bobp) (not (memq (char-syntax (char-before)) '(?w ?_))))
(while (not (looking-at "\\sw\\|\\s_\\|\\'"))
(forward-char 1)))
(while (looking-at "\\sw\\|\\s_")
(forward-char 1))
(if (re-search-backward "\\sw\\|\\s_" nil t)
(progn (forward-char 1)
(buffer-substring (point)
(progn (forward-sexp -1)
(while (looking-at "\\s'")
(forward-char 1))
(point))))
nil))))
(defun py-find-global-imports ()
(save-excursion
(let (first-class-or-def imports)
(goto-char (point-min))
(setq first-class-or-def
(re-search-forward "^ *\\(def\\|class\\) " nil t))
(goto-char (point-min))
(setq imports nil)
(while (re-search-forward
"^\\(import \\|from \\([A-Za-z_][A-Za-z_0-9]*\\) import \\).*"
nil t)
(setq imports (append imports
(list (buffer-substring
(match-beginning 0)
(match-end 0))))))
imports)))
(defun py-complete ()
(interactive)
(let* ((pymacs-forget-mutability t)
(symbol (py-symbol-near-point))
(completions
(pycomplete-pycomplete symbol
(py-find-global-imports))))
(cond ((null completions) ; no matching symbol
(message "Can't find completion for \"%s\"" symbol)
(ding))
((null (cdr completions))
(if (string= "" (car completions))
(tab-to-tab-stop)
;; sole completion
(insert (car completions))))
(t
(message "Making completion list...")
(with-output-to-temp-buffer "*PythonCompletions*"
(display-completion-list completions))
(message "Making completion list...%s" "done")))))
(provide 'pycomplete)