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