79 lines
2.4 KiB
EmacsLisp
79 lines
2.4 KiB
EmacsLisp
;;; evil-matchit-elixir.el --- elixir plugin of evil-matchit
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;; Copyright (C) 2018-2020 Chen Bin <chenbin DOT sh AT gmail DOT com>
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;; Author: Chen Bin <chenbin DOT sh AT gmail DOT com>
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;; This file is not part of GNU Emacs.
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;;; License:
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;; This file is part of evil-matchit
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;;
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;; evil-matchit is free software: you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as published
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;; by 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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;;
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;; evil-matchit 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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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;
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;;; Commentary:
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;;
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;;; Code:
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;; OPTIONAL, you don't need SDK to write a plugin for evil-matchit
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;; but SDK do make you write less code, isn't it?
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;; All you need to do is just define the match-tags for SDK algorithm to lookup.
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(require 'evil-matchit-sdk)
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;; {{ Sample elixir code:
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;; defmodule MyValidator do
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;; use Validator
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;; validate_length :name, 1..100
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;; validate_matches :email, ~r/@/
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;; end
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;; }}
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;; should try next howto, the purpose is avoid missing any howto
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(defvar evilmi-elixir-extract-keyword-howtos
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'(("^.*\\(do\\)[ \t]*$" 1)
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("^[ \t]*\\(fn\\)[( \t]?" 1)
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("^[ \t]*\\(end\\|else\\)[ \t]*$" 1)))
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(defvar evilmi-elixir-match-tags
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'((("fn") () "end")
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(("do") ("else") "end")))
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;;;###autoload
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(defun evilmi-elixir-get-tag ()
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(let* ((cur-line (evilmi-sdk-curline))
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rlt)
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(cond
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((string-match-p "^[ \t]*fn.*end$" cur-line)
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(setq rlt (if (string= (thing-at-point 'symbol) "end")
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(line-beginning-position)
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(line-end-position))))
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(t
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(setq rlt (evilmi-sdk-get-tag evilmi-elixir-match-tags
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evilmi-elixir-extract-keyword-howtos))))
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rlt))
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;;;###autoload
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(defun evilmi-elixir-jump (rlt num)
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(cond
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((integerp rlt)
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(goto-char rlt))
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(t
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(evilmi-sdk-jump rlt
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num
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evilmi-elixir-match-tags
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evilmi-elixir-extract-keyword-howtos))))
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(provide 'evil-matchit-elixir)
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;;; evil-matchit-elixir.el ends here
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