2022-11-08 03:31:08 +00:00
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;;; xparse.el --- AUCTeX style for `xparse.sty' version 2022-07-05 -*- lexical-binding: t; -*-
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2022-08-25 17:42:37 +00:00
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2022-11-08 03:31:08 +00:00
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;; Copyright (C) 2013, 2020--2022 Free Software Foundation, Inc.
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2022-08-25 17:42:37 +00:00
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;; Maintainer: auctex-devel@gnu.org
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;; Author: Mosè Giordano <mose@gnu.org>
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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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2022-11-08 03:31:08 +00:00
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;; This file adds basic support for `xparse.sty' version 2022-07-05.
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2022-08-25 17:42:37 +00:00
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;; It parses argument specification of macros and environments.
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;; The "yet not more supported" specifiers `l', `u', `g' and `G' are
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;; ignored completely and may lead to wrong parsing results.
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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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(TeX-auto-add-type "xparse-macro" "LaTeX")
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(defvar LaTeX-xparse-macro-regexp
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`(,(concat
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(regexp-quote TeX-esc)
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"\\(New\\|Renew\\|Provide\\|Declare\\)"
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"\\(?:Expandable\\)?"
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"DocumentCommand"
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"[ \t\n\r]*"
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"{?"
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"[ \t\n\r]*"
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(regexp-quote TeX-esc)
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"\\([A-Za-z]+\\)"
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"[ \t\n\r]*"
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"}?"
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"[ \t\n\r]*"
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"{\\([^}{]*\\({[^}{]*\\({[^}{]*\\({[^}{]*}[^}{]*\\)*}[^}{]*\\)*}[^}{]*\\)*\\)}")
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(0 2 3 1) LaTeX-auto-xparse-macro)
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"Matches macros by xparse package.")
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(TeX-auto-add-type "xparse-environment" "LaTeX")
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(defvar LaTeX-xparse-environment-regexp
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`(,(concat
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(regexp-quote TeX-esc)
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"\\(New\\|Renew\\|Provide\\|Declare\\)"
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"DocumentEnvironment"
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"[ \t\n\r]*"
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"{"
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"[ \t\n\r]*"
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"\\([A-Za-z]+\\)"
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"[ \t\n\r]*"
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"}"
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"[ \t\n\r]*"
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"{\\([^}{]*\\({[^}{]*\\({[^}{]*\\({[^}{]*}[^}{]*\\)*}[^}{]*\\)*}[^}{]*\\)*\\)}")
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(0 2 3 1) LaTeX-auto-xparse-environment)
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"Matches environments by xparse package.")
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(defun LaTeX-arg-xparse-query (optional op-brace cl-brace &optional prompt)
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"Special query function for parsed elements from xparse package.
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If OPTIONAL is non-nil, indicate it in minibuffer. OP-BRACE sets
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the opening brace, CL-BRACE sets the closing one. PROMPT
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replaces the standard one."
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(let ((TeX-arg-opening-brace op-brace)
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(TeX-arg-closing-brace cl-brace))
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(TeX-argument-insert
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(TeX-read-string (TeX-argument-prompt optional prompt "Text"))
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optional)))
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(defun LaTeX-arg-xparse-embellishment-query (_optional embellish)
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"Special insert function for embellishments from xparse package.
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Compatibility argument OPTIONAL is ignored. EMBELLISH is a
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string with parsed elements inserted in the buffer. This
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function also sets the value of `TeX-exit-mark' where the point
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will be once the insertion is completed."
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(let (p)
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(just-one-space)
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(setq p (point))
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(insert embellish)
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(set-marker TeX-exit-mark (1+ p))))
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(defun LaTeX-xparse-macro-parse (type)
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"Process parsed macro and environment definitions.
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TYPE is one of the symbols mac or env."
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(dolist (xcmd (if (eq type 'mac)
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(LaTeX-xparse-macro-list)
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(LaTeX-xparse-environment-list)))
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(let ((name (nth 1 xcmd))
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(spec (nth 2 xcmd))
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(what (nth 3 xcmd))
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args opt-star opt-token)
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(with-temp-buffer
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(set-syntax-table LaTeX-mode-syntax-table)
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;; This one is probably not really needed?
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(goto-char (point-min))
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(insert (replace-regexp-in-string "[ \t\r\n%]" "" spec))
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(goto-char (point-min))
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2022-11-08 03:31:08 +00:00
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(while (looking-at-p "[+!>=bmrRvodODsteE]")
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(cond ((looking-at-p "[+!b]")
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;; + or !: Long argument or space aware: Move over
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;; them. b is special; only available for
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;; enviroments
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(forward-char 1))
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2022-11-08 03:31:08 +00:00
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;; Argument processors and key-val modifier: Move
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;; over [>=] and a balanced {}
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((looking-at-p "[>=]")
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2022-08-25 17:42:37 +00:00
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(forward-char 1)
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(forward-sexp))
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;; Mandatory arguments:
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;; m: Ask for input with "Text" as prompt
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((looking-at-p "m")
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(forward-char 1)
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(push "Text" args))
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;; r<token1><token2>
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((looking-at-p "r")
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(re-search-forward "r\\(.\\)\\(.\\)" (+ (point) 3) t)
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(push `(LaTeX-arg-xparse-query
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,(match-string-no-properties 1)
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,(match-string-no-properties 2))
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args))
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;; R<token1><token2>{default}
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((looking-at-p "R")
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(re-search-forward "R\\(.\\)\\(.\\)" (+ (point) 3) t)
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(forward-sexp)
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(push `(LaTeX-arg-xparse-query
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,(match-string-no-properties 1)
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,(match-string-no-properties 2))
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args))
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;; v: Use `TeX-arg-verb-delim-or-brace'
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((looking-at-p "v")
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(forward-char 1)
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(push #'TeX-arg-verb-delim-or-brace args))
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;; Optional arguments:
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;; o standard LaTeX optional in square brackets
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((looking-at-p "o")
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(forward-char 1)
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(push (vector "Text") args))
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;; d<token1><token2>
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((looking-at-p "d")
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(re-search-forward "d\\(.\\)\\(.\\)" (+ (point) 3) t)
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(push (vector #'LaTeX-arg-xparse-query
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(match-string-no-properties 1)
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(match-string-no-properties 2))
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args))
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;; O{default}
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((looking-at-p "O")
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(forward-char 1)
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(forward-sexp)
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(push (vector "Text") args))
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;; D<token1><token2>{default}
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((looking-at-p "D")
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(re-search-forward "D\\(.\\)\\(.\\)" (+ (point) 3) t)
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(forward-sexp)
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(push (vector #'LaTeX-arg-xparse-query
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(match-string-no-properties 1)
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(match-string-no-properties 2))
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args))
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;; s: optional star
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((looking-at-p "s")
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(forward-char 1)
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(setq opt-star t))
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;; t: optional <token>
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((looking-at-p "t")
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(re-search-forward "t\\(.\\)" (+ (point) 2) t)
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(setq opt-token (match-string-no-properties 1)))
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;; e{tokes} a set of optional embellishments
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((looking-at-p "e")
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(forward-char)
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(if (looking-at-p TeX-grop)
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(re-search-forward "{\\([^}]+\\)}" nil t)
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(re-search-forward "\\(.\\)" (1+ (point)) t))
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(push `(LaTeX-arg-xparse-embellishment-query
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,(match-string-no-properties 1))
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args))
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;; E{tokes}{defaults}
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((looking-at-p "E")
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(forward-char)
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(if (looking-at-p TeX-grop)
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(re-search-forward "{\\([^}]+\\)}" nil t)
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(re-search-forward "\\(.\\)" (1+ (point)) t))
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(push `(LaTeX-arg-xparse-embellishment-query
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,(match-string-no-properties 1))
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args)
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(when (looking-at-p TeX-grop)
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(forward-sexp)))
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;; Finished:
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(t nil))))
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(if (eq type 'env)
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;; Parsed enviroments: If we are Renew'ing or Delare'ing, we
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;; delete the enviroment first from `LaTeX-environment-list'
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;; before adding the new one. We have to sort the value of
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;; `LaTeX-environment-list' by running the function of the
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;; same name:
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(progn
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(when (member what '("Renew" "Declare"))
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(LaTeX-environment-list)
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(setq LaTeX-environment-list
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(assq-delete-all (car (assoc name LaTeX-environment-list))
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LaTeX-environment-list)))
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(LaTeX-add-environments `(,name
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LaTeX-env-args
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,@(reverse args))))
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;; Parsed macros: If we are Renew'ing or Delare'ing, we delete
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;; the macros first from `TeX-symbol-list' before adding the
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;; new ones. We have to sort the value of `TeX-symbol-list'
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;; by running the function of the same name:
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(when (member what '("Renew" "Declare"))
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(TeX-symbol-list)
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(setq TeX-symbol-list
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(assq-delete-all (car (assoc name TeX-symbol-list))
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TeX-symbol-list))
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(when opt-star
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(setq TeX-symbol-list
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(assq-delete-all (car (assoc (concat name "*") TeX-symbol-list))
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TeX-symbol-list)))
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(when opt-token
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(setq TeX-symbol-list
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(assq-delete-all (car (assoc (concat name opt-token) TeX-symbol-list))
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TeX-symbol-list))))
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(TeX-add-symbols (cons name
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(reverse args)))
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(when opt-star
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(TeX-add-symbols (cons (concat name "*")
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(reverse args))))
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(when opt-token
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(TeX-add-symbols (cons (concat name opt-token)
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(reverse args))))))))
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(defun LaTeX-xparse-auto-prepare ()
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"Clear various `LaTeX-auto-xparse-*' variables before parsing."
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(setq LaTeX-auto-xparse-macro nil
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LaTeX-auto-xparse-environment nil))
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(defun LaTeX-xparse-auto-cleanup ()
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"Process parsed elements for xparse package."
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(LaTeX-xparse-macro-parse 'mac)
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(LaTeX-xparse-macro-parse 'env))
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(add-hook 'TeX-auto-prepare-hook #'LaTeX-xparse-auto-prepare t)
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(add-hook 'TeX-auto-cleanup-hook #'LaTeX-xparse-auto-cleanup t)
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(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
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(TeX-add-style-hook
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"xparse"
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(lambda ()
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(TeX-auto-add-regexp LaTeX-xparse-macro-regexp)
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(TeX-auto-add-regexp LaTeX-xparse-environment-regexp)
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(TeX-run-style-hooks
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"expl3")
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(TeX-add-symbols
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;; Declaring commands
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'("DeclareDocumentCommand"
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TeX-arg-define-macro "Argument specification" t)
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'("NewDocumentCommand"
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TeX-arg-define-macro "Argument specification" t)
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'("RenewDocumentCommand"
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TeX-arg-macro "Argument specification" t)
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'("ProvideDocumentCommand"
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TeX-arg-define-macro "Argument specification" t)
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;; Declaring commands and environments
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'("DeclareDocumentEnvironment" TeX-arg-define-environment
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"Argument specification" t t)
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'("NewDocumentEnvironment" TeX-arg-define-environment
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"Argument specification" t t)
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'("RenewDocumentEnvironment" TeX-arg-environment
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"Argument specification" t t)
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'("ProvideDocumentEnvironment" TeX-arg-define-environment
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"Argument specification" t t)
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;; Fully-expandable document commands
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'("DeclareExpandableDocumentCommand"
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TeX-arg-define-macro "Argument specification" t)
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'("NewExpandableDocumentCommand"
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TeX-arg-define-macro "Argument specification" t)
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'("RenewExpandableDocumentCommand"
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TeX-arg-macro "Argument specification" t)
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'("ProvideExpandableDocumentCommand"
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TeX-arg-define-macro "Argument specification" t)
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;; Testing special values
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'("IfBooleanTF" 3)
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'("IfBooleanT" 2)
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'("IfBooleanF" 2)
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'("IfNoValueTF" 3)
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'("IfNoValueT" 2)
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'("IfNoValueF" 2)
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'("IfValueTF" 3)
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'("IfValueT" 2)
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'("IfValueF" 2)
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'("IfBlankTF" 3)
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'("IfBlankT" 2)
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'("IfBlankF" 2)
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2022-08-25 17:42:37 +00:00
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"BooleanTrue"
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"BooleanFalse"
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;; Argument processors
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"ProcessedArgument"
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"ReverseBoolean"
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'("SplitArgument" "Number" "Token")
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'("SplitList" "Token")
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"TrimSpaces"
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'("ProcessList" "List" "Function")
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;; Access to the argument specification
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'("GetDocumentCommandArgSpec" TeX-arg-macro)
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'("GetDocumentEnvironmmentArgSpec" TeX-arg-environment)
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'("ShowDocumentCommandArgSpec" TeX-arg-macro)
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'("ShowDocumentEnvironmentArgSpec" TeX-arg-environment))
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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 '(("DeclareDocumentCommand" "|{\\{{")
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("NewDocumentCommand" "|{\\{{")
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("ProvideDocumentCommand" "|{\\{{")
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("RenewDocumentCommand" "|{\\{{")
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;;
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("DeclareExpandableDocumentCommand" "|{\\{{")
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("NewExpandableDocumentCommand" "|{\\{{")
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("ProvideExpandableDocumentCommand" "|{\\{{")
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("RenewExpandableDocumentCommand" "|{\\{{")
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;;
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("DeclareDocumentEnvironment" "{{{{")
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("NewDocumentEnvironment" "{{{{")
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("ProvideDocumentEnvironment" "{{{{")
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("RenewDocumentEnvironment" "{{{{"))
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'function)))
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|
TeX-dialect)
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(defun LaTeX-xparse-package-options ()
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"Read the xparse package options from the user."
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(TeX-read-key-val t '(("log-declarations" ("true" "false")))))
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;;; xparse.el ends here
|