144 lines
3.8 KiB
EmacsLisp
144 lines
3.8 KiB
EmacsLisp
;;; algpseudocode.el --- AUCTeX style for the (LaTeX) algpseudocode package -*- lexical-binding: t; -*-
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;; Copyright (C) 2020--2022 Free Software Foundation, Inc.
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;; Author: Uwe Brauer <oub@mat.ucm.es>
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;; Created: 2020-01-26
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;; Keywords: tex
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;; This file is part of AUCTeX.
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;; AUCTeX is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; AUCTeX is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; 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 AUCTeX; see the file COPYING. If not, write to the Free
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;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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;; 02110-1301, USA.
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;;; Commentary:
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;; This file adds support for the algpseudocode package.
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;;; Code:
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(require 'tex)
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(require 'latex)
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;; Silence the compiler:
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(declare-function font-latex-add-keywords
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"font-latex"
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(keywords class))
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(defvar LaTeX-algpseudocode-package-options
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'("compatible" "nocompatible" "end" "noend")
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"Package options for the algpseudocode package.")
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(TeX-add-style-hook
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"algpseudocode"
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(lambda ()
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(TeX-add-symbols
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;; 2.3 Simple lines
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'("State" (TeX-arg-literal " "))
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'("Statex" 0)
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;; 2.4 Placing comments in sources
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'("Comment" 1)
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;; 2.5 Labels and references
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'("algref" (TeX-arg-ref "Algorithm") (TeX-arg-ref "Line"))
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;; 2.6 Breaking up long algorithms
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'("algstore" 1)
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'("algstore*" 1)
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'("algrestore" 1)
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'("algrestore*" 1)
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;; 3.1.1 The for block
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'("For" 1)
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'("ForAll" 1)
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'("EndFor" 0)
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;; 3.1.2 The while block
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'("While" 1)
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'("EndWhile" 0)
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;; 3.1.3 The repeat block
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'("Repeat" 0)
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'("Until" 1)
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;; 3.1.4 The if block
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'("If" 1)
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'("ElsIf" 1)
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'("Else" 0)
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'("EndIf" 0)
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;; 3.1.5 The procedure block
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'("Procedure" 2)
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'("EndProcedure" 0)
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;; 3.1.6 The function block
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'("Function" 2)
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'("EndFunction" 0)
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;; 3.1.7 The loop block
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'("Loop" 0)
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'("EndLoop" 0)
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;; 3.1.8 Other commands in this layout
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'("Require" (TeX-arg-literal " "))
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'("Ensure" (TeX-arg-literal " "))
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'("Call" 2))
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(LaTeX-add-environments
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'("algorithmic" [ "Number" ]))
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;; Indentation: Add the keywords above to the respective variables
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;; and run `LaTeX-indent-commands-regexp-make'.
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(let ((beg '("For" "ForAll"
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"While"
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"Repeat"
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"If"
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"Procedure"
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"Function"
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"Loop"))
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(mid '("ElsIf" "Else"))
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(end '("EndFor"
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"EndWhile"
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"Until"
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"EndIf"
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"EndProcedure"
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"EndFunction"
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"EndLoop")))
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(dolist (elt beg)
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(add-to-list 'LaTeX-indent-begin-list elt t))
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(dolist (elt mid)
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(add-to-list 'LaTeX-indent-mid-list elt t))
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(dolist (elt end)
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(add-to-list 'LaTeX-indent-end-list elt t))
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(LaTeX-indent-commands-regexp-make))
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;; Add the 'algorithmic' environment to a local version of
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;; `LaTeX-indent-environment-list'. This effectively kills filling
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;; but indenting works as expected. Hence, 'M-q' gives a better
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;; experience.
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(add-to-list (make-local-variable 'LaTeX-indent-environment-list)
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'("algorithmic")
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t)
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;; Fontification
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(when (and (featurep 'font-latex)
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(eq TeX-install-font-lock 'font-latex-setup))
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(font-latex-add-keywords '(("algref" "{{"))
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'reference)))
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TeX-dialect)
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;;; algpseudocode.el ends here
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