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|
;;; george-mode.el --- George mode -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Amin Bandali
;; Author: Amin Bandali <bandali@gnu.org>
;; Keywords: languages, george
;; URL: https://git.sr.ht/~bandali/george-mode
;; Version: 0.1.0
;; This file is not part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This is an Emacs major mode for editing George files.
;;; Code:
(defvar george-mode-map
(let ((map (make-sparse-keymap)))
map)
"Keymap for `george-mode'.")
(defvar george-mode-directives
(let ((methods (regexp-opt
'("NONE" "PROP" "PRED" "TP" "ND" "ST" "Z" "PC")
'words)))
(format "#\\(\\(u\\|a\\|q\\).*\\|check\\s-*%s\\)" methods))
"Regexp matching George's directives.")
(defvar george-mode-symbols
'(";" ":" "," "." "!" "="
":=" "==" "!="
"+" "-" "*" "/"
"^"
">" "<" ">=" "<="
"{" "}" "[" "]"
"&" "|"
"=>" "<=>" "<==>"
"|-"
"||"
"<|" "<-|" "|>" "|->"
"(+)" "(|" "|)"
"'" "~"
"::="
"<->" "-->" ">-->" "-->>" ">-->>"
"-|->" ">-|->" "-|->>" ">-|->>"))
(defvar george-mode-keywords
'(;; === PROP ===
;; "false" "true" ; will be constants
;; === PRED ===
"forall" "exists"
;; === TP ===
"by"
;; prop rules
"comm" "assoc" "contr" "lem"
"impl" "contrapos" "simp1" "simp2"
"distr" "dm" "neg" "equiv"
"idemp"
;; pred rules
"forall_over_and" "exists_over_or" "swap_vars" "move_exists"
"move_forall" ;; "dm" ; (same name as for prop logic)
;; === ND ===
"premise"
"and_i" "and_e"
"or_i" "or_e"
;; "lem" ; same name as for TP
"imp_e"
"not_e"
"not_not_i" "not_not_e"
"iff_i" "iff_e"
"trans" "iff_mp"
"exists_i"
"forall_e"
;; "true" ; will be a constant
"eq_i" "eq_e"
"disprove" "raa"
"case" "cases"
"assume" "imp_i"
"for" "every" "forall_i"
"some" "exists_e"
"magic"
;; === ST ===
"closed"
"on"
"and_nb" "not_and_br"
"or_br" "not_or_nb"
"imp_br" "not_imp_br"
"not_not_nb"
"iff_br" "not_iff_br"
"forall_nb" "not_forall_nb"
"exists_nb" "not_exists_nb"
;; === arith ===
"arith"
"induction"
;; === sets ===
"empty" "univ"
"in" "sub" "sube"
"pow"
"union" "inter"
"card"
"gen_U" "gen_I"
"dom" "ran"
"id"
"iter"
;; === Z ===
"schema" "begin"
"pred" "end"
"seq"
;; === PC ===
"proc" "fun"
"if" "then" "else"
"while" "for" "until" "do"
"assert"))
(defvar george-mode-constants
'("false"
"true"))
(defconst george-mode-syntax-table
(let ((st (make-syntax-table)))
;; % is a comment starter
(modify-syntax-entry ?% "<" st)
;; \n is a comment ender
(modify-syntax-entry ?\n ">" st)
;; return our modified syntax table
st))
(defvar george-mode-font-lock-defaults
`((("\"\\.\\*\\?" . font-lock-string-face)
(,george-mode-directives . font-lock-builtin-face)
(,(regexp-opt george-mode-symbols 'symbols) . font-lock-keyword-face)
(,(regexp-opt george-mode-keywords 'words) . font-lock-keyword-face)
(,(regexp-opt george-mode-constants 'words) . font-lock-constant-face))))
;;;###autoload
(define-derived-mode george-mode prog-mode "George"
"Major mode for editing George files."
:syntax-table george-mode-syntax-table
(setq-local font-lock-defaults george-mode-font-lock-defaults)
(setq-local comment-start "%")
(setq-local comment-end "")
(font-lock-ensure))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.grg\\'" . george-mode))
(provide 'george-mode)
;;; george-mode.el ends here
|
