375 lines
13 KiB
EmacsLisp
375 lines
13 KiB
EmacsLisp
;;; smartparens-ruby.el --- Additional configuration for Ruby based modes.
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;; Copyright (C) 2013-2014 Jean-Louis Giordano
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;; Author: Jean-Louis Giordano <jean-louis@jawaninja.com>
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;; Maintainer: Matus Goljer <matus.goljer@gmail.com>
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;; Created: 16 June 2013
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;; Keywords: abbrev convenience editing
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;; URL: https://github.com/Fuco1/smartparens
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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 Smartparens.
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;; Smartparens 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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;; Smartparens 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 Smartparens. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file provides some additional configuration for Ruby based
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;; modes. To use it, simply add:
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;;
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;; (require 'smartparens-ruby)
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;;
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;; into your configuration. You can use this in conjunction with the
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;; default config or your own configuration.
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;;
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;; If you have good ideas about what should be added please file an
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;; issue on the github tracker.
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;; For more info, see github readme at
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;; https://github.com/Fuco1/smartparens
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;;; Code:
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(require 'smartparens)
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(defun sp-ruby-forward-sexp ()
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(interactive)
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(if (boundp 'enh-ruby-forward-sexp)
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(enh-ruby-forward-sexp)
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(ruby-forward-sexp)))
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(defun sp-ruby-backward-sexp ()
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(interactive)
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(if (boundp 'enh-ruby-backward-sexp)
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(enh-ruby-backward-sexp)
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(ruby-backward-sexp)))
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(defun sp-ruby-maybe-one-space ()
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(while (looking-back " ") (backward-char))
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(when (or (looking-at-p " ")
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(looking-at-p "}")
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(looking-back "{"))
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(save-excursion (just-one-space)))
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(when (and (not (looking-back "^.?"))
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(save-excursion
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(backward-char 2)
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(or (looking-at-p ".[^:] [.([,;]")
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(looking-at-p ".. ::")
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(looking-at-p ".[.@$] ")
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(looking-at-p ":: "))))
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(delete-char 1)))
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(defun sp-ruby-delete-indentation (&optional arg)
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"Better way of joining ruby lines"
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(delete-indentation arg)
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(sp-ruby-maybe-one-space))
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(defun sp-ruby-block-post-handler (id action context)
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"Handler for ruby block-like inserts"
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(when (equal action 'insert)
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(save-excursion
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(newline)
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(indent-according-to-mode))
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(indent-according-to-mode))
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(sp-ruby-post-handler id action context))
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(defun sp-ruby-def-post-handler (id action context)
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"Handler for ruby def-like inserts"
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(when (equal action 'insert)
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(save-excursion
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(insert "x")
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(newline)
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(indent-according-to-mode))
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(delete-char 1))
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(sp-ruby-post-handler id action context))
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(defun sp-ruby-post-handler (id action context)
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(when (equal action 'barf-backward)
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(sp-ruby-delete-indentation 1)
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(indent-according-to-mode)
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(save-excursion
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(sp-backward-sexp) ; move to begining of current sexp
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(sp-backward-sexp arg)
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(sp-ruby-maybe-one-space)))
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(when (equal action 'barf-forward)
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(sp-get enc
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(let ((beg-line (line-number-at-pos :beg-in))
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(end-line (line-number-at-pos :end-in)))
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(sp-forward-sexp arg)
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(sp-ruby-maybe-one-space)
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(when (not (= (line-number-at-pos) beg-line))
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(sp-ruby-delete-indentation -1))
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(indent-according-to-mode)))))
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(defun sp-ruby-pre-handler (id action context)
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"Handler for ruby slurp and barf"
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(sp-get enc
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(let ((beg-line (line-number-at-pos :beg-in))
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(end-line (line-number-at-pos :end-in)))
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(when (equal action 'slurp-backward)
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(save-excursion
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(sp-forward-sexp)
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(when (looking-at-p ";") (forward-char))
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(sp-ruby-maybe-one-space)
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(when (not (= (line-number-at-pos) end-line))
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(sp-ruby-delete-indentation -1)))
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(while (thing-at-point-looking-at "\\.[ \n]*")
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(sp-backward-sexp))
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(when (looking-back "[@$:&?!]")
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(backward-char)
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(when (looking-back "[@&:]")
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(backward-char)))
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(just-one-space)
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(save-excursion
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(if (= (line-number-at-pos) end-line)
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(insert " ")
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(newline))))
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(when (equal action 'barf-backward)
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;; Barf whole method chains
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(while (thing-at-point-looking-at "[.([:][ \n]*")
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(sp-forward-sexp))
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(if (looking-at-p " *$")
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(newline)
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(save-excursion (newline))))
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(when (equal action 'slurp-forward)
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(save-excursion
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(sp-backward-sexp)
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(when (looking-back "\.") (backward-char))
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(sp-ruby-maybe-one-space)
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(when (not (= (line-number-at-pos) beg-line))
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(if (thing-at-point-looking-at "\\.[ \n]*")
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(progn
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(forward-symbol -1)
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(sp-ruby-delete-indentation -1))
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(sp-ruby-delete-indentation))))
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(while (looking-at-p "::") (sp-forward-symbol))
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(when (looking-at-p "[?!;]") (forward-char))
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(if (= (line-number-at-pos) beg-line)
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(insert " ")
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(newline)))
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(when (equal action 'barf-forward)
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(when (looking-back "\\.") (backward-char))
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(while (looking-back "::") (sp-backward-symbol))
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(if (= (line-number-at-pos) end-line)
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(insert " ")
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(if (looking-back "^ *")
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(save-excursion (newline))
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(newline)))))))
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(defun sp-ruby-inline-p (id)
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(save-excursion
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(when (looking-back id)
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(backward-word))
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(when (not (or (looking-back "^ *")
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(looking-back "= *")))
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(or (save-excursion
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(forward-symbol -1)
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(forward-symbol 1)
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(looking-at-p (concat " *" id)))
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(save-excursion
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;; This does not seem to make emacs snapshot happy
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(ignore-errors
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(sp-ruby-backward-sexp)
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(sp-ruby-forward-sexp)
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(looking-at-p (concat "[^ ]* *" id))))))))
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(defun sp-ruby-method-p (id)
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(save-excursion
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(when (looking-back id)
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(backward-word))
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(and (looking-at-p id)
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(or
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;; fix for def_foo
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(looking-at-p (concat id "[_?!:]"))
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;; fix for foo_def
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(looking-back "[_:@$.]")
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;; fix for def for; end
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(looking-back "def \\|class \\|module ")
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;; Check if multiline method call
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;; But beware of comments!
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(and (looking-back "\\.[ \n]*")
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(not (save-excursion
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(search-backward ".")
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(sp-point-in-comment))))))))
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(defun sp-ruby-skip-inline-match-p (ms mb me)
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(or (sp-ruby-method-p ms)
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(sp-ruby-inline-p ms)))
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(defun sp-ruby-skip-method-p (ms mb me)
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(sp-ruby-method-p ms))
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(defun sp-ruby-in-string-or-word-p (id action context)
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(or (sp-in-string-p id action context)
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(and (looking-back id)
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(not (looking-back (sp--strict-regexp-quote id))))
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(sp-ruby-method-p id)))
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(defun sp-ruby-in-string-word-or-inline-p (id action context)
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(or (sp-ruby-in-string-or-word-p id action context)
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(and (looking-back id)
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(sp-ruby-inline-p id))))
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(defun sp-ruby-pre-pipe-handler (id action context)
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(when (equal action 'insert)
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(save-excursion
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(just-one-space))
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(save-excursion
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(search-backward id)
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(just-one-space))))
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(defun sp-ruby-should-insert-pipe-close (id action _ctx)
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"Test whether to insert the closing pipe for a lambda-binding pipe pair."
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(if (eq action 'insert)
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(thing-at-point-looking-at
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(rx-to-string `(and (or "do" "{") (* space) ,id)))
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t))
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(defun sp--ruby-skip-match (ms me mb)
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(when (string= ms "end")
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(or (sp-in-string-p ms me mb)
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(sp-ruby-method-p "end"))))
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(add-to-list 'sp-navigate-skip-match
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'((ruby-mode enh-ruby-mode motion-mode) . sp--ruby-skip-match))
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(dolist (mode '(ruby-mode motion-mode))
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(add-to-list 'sp-sexp-suffix `(,mode syntax "")))
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(sp-with-modes '(ruby-mode enh-ruby-mode motion-mode)
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(sp-local-pair "do" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-or-word-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-block-post-handler)
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:skip-match 'sp-ruby-skip-method-p
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:suffix "")
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(sp-local-pair "{" "}"
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-post-handler)
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:suffix "")
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(sp-local-pair "begin" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-or-word-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-block-post-handler)
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:skip-match 'sp-ruby-skip-method-p
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:suffix "")
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(sp-local-pair "def" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-or-word-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-method-p
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:suffix "")
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(sp-local-pair "class" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-or-word-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-method-p
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:suffix "")
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(sp-local-pair "module" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-or-word-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-method-p
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:suffix "")
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(sp-local-pair "case" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-or-word-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-method-p
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:suffix "")
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(sp-local-pair "for" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-or-word-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-inline-match-p)
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(sp-local-pair "if" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-word-or-inline-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-inline-match-p
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:suffix "")
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(sp-local-pair "unless" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-word-or-inline-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-inline-match-p
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:suffix "")
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(sp-local-pair "while" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-word-or-inline-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-inline-match-p
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:suffix "")
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(sp-local-pair "until" "end"
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:when '(("SPC" "RET" "<evil-ret>"))
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:unless '(sp-ruby-in-string-word-or-inline-p sp-in-comment-p)
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:actions '(insert navigate)
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:pre-handlers '(sp-ruby-pre-handler)
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:post-handlers '(sp-ruby-def-post-handler)
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:skip-match 'sp-ruby-skip-inline-match-p
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:suffix "")
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(sp-local-pair "|" "|"
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:when '(sp-ruby-should-insert-pipe-close)
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:pre-handlers '(sp-ruby-pre-pipe-handler)
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:suffix ""))
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(dolist (mode '(ruby-mode motion-mode))
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(add-to-list 'sp-navigate-consider-stringlike-sexp mode))
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(provide 'smartparens-ruby)
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;;; smartparens-ruby.el ends here
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