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;; isar-syntax.el Syntax expressions for Isabelle/Isar
;; Copyright (C) 1994-1998 LFCS Edinburgh.
;;
;; Author: David Aspinall <da@dcs.ed.ac.uk>
;; Maintainer: Isabelle maintainer <isabelle@dcs.ed.ac.uk>
;;
;; isar-syntax.el,v 2.14 1998/11/03 14:41:54 da Exp
;;
(require 'proof-syntax)
;;; Proof mode customization: how should it work?
;;; Presently we have a bunch of variables in proof.el which are
;;; set from a bunch of similarly named variables in <engine>-syntax.el.
;;;
;;; Seems a bit daft: why not just have the customization in
;;; one place, and settings hardwired in <engine>-syntax.el.
;;;
;;; That way we can see which settings are part of instantiation of
;;; proof.el, and which are part of cusomization for <engine>.
;; ------ customize groups
;(defgroup isar-scripting nil
; "Customization of Isabelle/Isar script management"
; :group 'external
; :group 'languages)
;(defgroup isar-syntax nil
; "Customization of Isabelle/Isar's syntax recognition"
; :group 'isar-scripting)
;; ----- syntax for font-lock and other features
(defgroup isar-syntax nil
"Customization of Isabelle/Isar syntax for proof mode"
:group 'isar-settings)
;MMW FIXME This stuff should be generated automatically (and made logic specific).
;MMW FIXME Tune these categories.
;MMW FIXME Can I invent new categories?
(defcustom isar-keywords-decl
'(
"use_thy"
"use"
"undos"
"undo"
"types"
"typedecl"
"typed_print_translation"
"typ"
"translations"
"top"
"token_translation"
"title"
"thm"
"text"
"term"
"syntax"
"subsubsection"
"subsection"
"setup"
"section"
"rep_datatype"
"redos"
"redo"
"record"
"recdef"
"quit"
"pwd"
"prop"
"print_translation"
"print_theory"
"print_theorems"
"print_syntax"
"print_methods"
"print_facts"
"print_binds"
"print_attributes"
"print_ast_translation"
"primrec"
"pr"
"path"
"parse_translation"
"parse_ast_translation"
"oracle"
"nonterminals"
"local"
"load"
"kill"
"inductive"
"help"
"global"
"exit"
"defaultsort"
"datatype"
"consts"
"commit"
"constdefs"
"coinductive"
"classrel"
"classes"
"chapter"
"cd"
"axioms"
"axclass"
"arities"
"ML"
)
"Isabelle/Isar keywords for declarations."
:group 'isar-syntax
:type '(repeat string))
(defcustom isar-keywords-defn
'(
"theory"
"theorems"
"lemmas"
"defs"
"context"
"axclass"
)
"Isabelle/Isar keywords for definitions"
:group 'isar-syntax
:type '(repeat string))
;; isar-keywords-goal is used to manage undo actions
(defcustom isar-keywords-goal
'(
"typedef"
"theorem"
"lemma"
"instance"
)
"Isabelle/Isar commands to begin an interactive proof"
:group 'isar-syntax
:type '(repeat string))
(defcustom isar-keywords-save
'(
"qed_with"
)
"Isabelle/Isar commands finish a top-level proof and store the theorem"
:group 'isar-syntax
:type '(repeat string))
(defcustom isar-keywords-kill-goal
'("kill")
"Isabelle/Isar kill command keywords"
:group 'isar-syntax
:type '(repeat string))
(defcustom isar-keywords-minor
'(
"and"
"as"
"binder"
"infixl"
"infixr"
"is"
"output"
)
"Isabelle/Isar minor keywords"
:group 'isar-syntax
:type '(repeat string))
(defcustom isar-keywords-proof-commands
'(
"qed"
"proof"
"end"
"by"
".."
"."
)
"Isabelle/Isar proof command keywords"
:group 'isar-syntax
:type '(repeat string))
(defcustom isar-keywords-commands
'(
"up"
"then_refine"
"then"
"show"
"refine"
"prev"
"note"
"next"
"let"
"have"
"from"
"fix"
"begin"
"back"
"assume"
)
"Isabelle/Isar command keywords"
:group 'isar-syntax
:type '(repeat string))
;; NB: this means that any adjustments above by customize will
;; only have effect in next session.
(defconst isar-keywords
(append isar-keywords-goal isar-keywords-save isar-keywords-decl
isar-keywords-defn isar-keywords-commands)
"All keywords in a Isabelle/Isar theory")
;; ----- regular expressions
(defconst isar-id "\\([A-Za-z][A-Za-z0-9'_]*\\)")
(defconst isar-idx (concat isar-id "\\(\\.[0-9]+\\)?"))
(defconst isar-ids (proof-ids isar-id "[ \t]*")
"Matches a sequence of identifiers separated by whitespace.")
(defconst isar-string "\"\\(\\([^\\\"]\\|\\\\\"\\)*\\)\"")
(defconst isar-string-regexp
(concat "\\s-*" isar-string "\\s-*")
"Regexp matching Isabelle/Isar strings, with contents bracketed.")
(defvar isar-font-lock-terms
(list
(cons (concat "\351" isar-id "\350") 'proof-declaration-name-face) ; class
(cons (concat "\352'" isar-id "\350") 'proof-tacticals-name-face) ; tfree
(cons (concat "\353\\?'" isar-idx "\350") 'font-lock-type-face) ; tvar
(cons (concat "\354" isar-id "\350") 'font-lock-function-face) ; free
(cons (concat "\355" isar-id "\350") 'font-lock-keyword-face) ; bound
(cons (concat "\356" isar-idx "\350") 'font-lock-function-face) ; var
)
"*Font-lock table for Isabelle terms.")
(defconst isar-save-command-regexp
(concat "^" (proof-ids-to-regexp isar-keywords-save)))
(defconst isar-save-with-hole-regexp
(concat "\\(" (proof-ids-to-regexp isar-keywords-save) isar-string-regexp "\\)"))
(defcustom isar-goal-command-regexp
(proof-ids-to-regexp isar-keywords-goal)
"Regular expression used to match a goal."
:type 'regexp
:group 'isabelle-isar-config)
;; MMW FIXME ??
(defconst isar-goal-with-hole-regexp
(concat "\\("
(proof-ids-to-regexp '("lemma" "theorem"))
"\\)" isar-string-regexp)
"Regexp matching goal commands in Isabelle/Isar which name a theorem")
(defvar isar-font-lock-keywords-1
(append
isar-font-lock-terms
(list
(cons (proof-ids-to-regexp isar-keywords-proof-commands) 'font-lock-function-name-face)
(cons (proof-ids-to-regexp isar-keywords) 'font-lock-keyword-face)
(cons (proof-ids-to-regexp isar-keywords-minor) 'font-lock-type-face)
(list isar-goal-with-hole-regexp 2 'font-lock-function-name-face)
(list isar-save-with-hole-regexp 2 'font-lock-function-name-face))))
(provide 'isar-syntax)
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