casl-mode.el revision 175c9e5fde43fc804a8d25198133288669b9d54c
;;;###autoload
(autoload 'turn-on-casl-indent "casl-indent" "Turn on CASL indentation." t)
;; Version number
(defconst casl-mode-version "0.1"
"Version of CASL-Mode")
(defgroup casl nil
"Major mode for editing Haskell programs."
:group 'languages
:prefix "casl-")
;; casl major mode setup
(defvar casl-mode-hook nil)
(defvar casl-mode-map (let ((keymap (make-keymap)))
(define-key keymap "\C-c\C-c" 'comment-region)
(define-key keymap "\C-c\C-r" 'casl-run-hets)
(define-key keymap "\C-c\C-n" 'casl-compile-goto-next-error)
keymap)
"Keymap for CASL major mode")
;; Are we running FSF Emacs or XEmacs?
(defvar casl-running-xemacs
(string-match "Lucid\\|XEmacs" emacs-version)
"non-nil if we are running XEmacs, nil otherwise.")
;; ============= K E Y W O R D H I G H L I G H T I N G ============
(defvar casl-annotation-face 'casl-annotation-face
"CASL mode face for Annotations")
(setq casl-annotation-face 'font-lock-constant-face)
(defvar casl-keyword-face 'casl-keyword-face)
(setq casl-keyword-face 'font-lock-keyword-face)
(defvar casl-library-name-face 'casl-library-name-face)
(setq casl-library-name-face 'font-lock-type-face)
(defvar casl-name-face 'casl-name-face)
(setq casl-name-face 'font-lock-variable-name-face)
(defvar casl-builtin-face 'casl-builtin-face)
(setq casl-builtin-face 'font-lock-builtin-face)
(defvar casl-comment-face 'casl-comment-face)
(setq casl-comment-face 'font-lock-comment-face)
(defvar casl-other-name-face 'casl-other-name-face)
(setq casl-other-name-face 'font-lock-function-name-face)
;; Syntax highlighting of CASL
(defconst casl-font-lock-keywords
(list
;; Keywords of loading Library
'("\\(\\<\\|\\s-+\\)\\(logic\\|from\\|get\\|library\\|version\\)[ :\t\n]+"
(2 casl-builtin-face keep t))
'("\\(\\<\\|\\s-+\\)\\(%authors\\|%date\\|%display\\|%prec\\|%left_assoc\\|%number\\|%floating\\|%LATEX\\|%implies\\)[ :\t\n]+"
(2 casl-annotation-face keep t))
;; Library and Logic name
'("\\(\\<\\|\\s-+\\)\\(library\\|logic\\)\\s-+\\([a-zA-Z0-9/]+\\)[ \t\n]*"
(3 casl-library-name-face keep t))
;; name of from get and given
'("\\(\\<\\|[ \t]+\\)\\(get\\|given\\)[ \t\n]+\\(\\(\\sw+\\s-*\\(,\\|$\\)[ \t\n]*\\)+\\)"
(3 casl-name-face keep t))
'("\\(\\<\\|\\s-+\\)from\\([ \t]+\\)\\(.+\\)\\(get\\|\\s-*\\)"
(3 casl-library-name-face keep t))
;; the name of specification and view
'("\\(\\<\\|\\[\\)\\(spec\\|view\\)\\s-+\\(\\w+\\)[ \t]*\\(\\[\\([A-Z]\\w*\\).*\\]\\)?\\s-*.*\\([]=:]\\|::=\\)"
(3 casl-name-face keep t) (5 casl-name-face keep t))
;; then, and + name
'("\\(\\<\\|\\s-+\\)\\(and\\|then\\)[ \t\n]*\\([A-Z]\\w*\\)\\s-*\\(\\[\\([A-Z]\\w*\\).*\\]\\)?"
(3 casl-name-face keep t) (5 casl-name-face keep t))
;; names before and after to
'("[ \t\n]*\\(\\w+\\)[ \t\n]+to[ \t\n]+\\(\\(\\w+\\)\\s-*\\(\\[\\([A-Z]\\w*\\).*\\]\\)?[, \t]*\\)?"
(1 casl-name-face keep t) (3 casl-name-face keep t) (5 casl-name-face keep t))
;; instance name of specification
'("\\<spec.+=\\s-*\\(%\\sw+\\s-*\\)?[ \t\n]*\\([A-Z]\\sw*\\)\\s-*\\(\\[\\([A-Z]\\w*\\).*\\]\\)?"
(2 casl-name-face keep t) (4 casl-name-face keep t))
;; Basic signature: sort X, Y, Z
'("\\(\\<\\|\\s-+\\)sorts?[ \t]+\\(\\(\\sw+\\s-*\\(\\[\\sw+\\]\\s-*\\)?\\(,\\|$\\|<\\|;\\|=\\)[ \t\n]*\\)+\\)"
(2 casl-other-name-face keep t))
;; Basic signature: op ,pred and var name
'("\\(^\\|ops?\\|preds?\\|vars?\\)\\s-+\\([a-zA-Z0-9]\\sw*\\|[^.%a-zA-Z0-9][^ \n]*\\)\\s-*\\(\(.*\)\\s-*\\)?\\(:\\??\\|<=>\\).*"
(2 casl-other-name-face keep t))
;; Basic signatur (pred, op, var) + name
;;;;'("\\(\\<\\|\\s-+\\)\\(op\\|pred\\|var\\)s?[ \t\n]+\\(\\(\\([a-zA-Z0-9][^: \t\n]*\\|\\(_\\|\\s_\\)[^:\n]*\\)\\s-*:[ \t\n]*[^;\n]+;?.*[ \t\n]*\\)+\\)"
;;;; (3 casl-other-name-face keep t))
;; type name
'("\\s-+\\(\\sw+\\)[ \t\n]*::=.*"
(1 casl-other-name-face keep t))
;; names before and after '|->'
'("[ \t\n]*\\([^[ \t\n]+\\)\\s-*\\(\\[\\([A-Z]\\w*\\).*\\]\\)?[ \t\n]+|->[ \t\n]+\\([^[ \t\n]+\\)\\s-*\\(\\[\\([A-Z]\\w*\\).*\\]\\)?[, \t]*"
(1 casl-other-name-face keep t) (3 casl-other-name-face keep t)
(4 casl-other-name-face keep t) (6 casl-other-name-face keep t))
;; reserved keyword
'("\\(\\<\\|\\s-+\\)\\(/\\\\\\|\\\\/\\|=>\\|<=>\\|and\\|arch\\|assoc\\|closed\\|comm\\|else\\|end\\|exists\\|fit\\|forall\\|free\\|generated\\|given\\|hide\\|if\\|local\\|not\\|reveal\\|spec\\|then\\|to\\|unit\\|view\\|when\\|within\\|with\\|\\(\\(op\\|pred\\|var\\|type\\|sort\\)s?\\)\\)[,;]?[ \t\n]"
(2 casl-keyword-face keep t))
)
"Reserved keywords highlighting")
;; Comment
(defconst casl-font-lock-specialcomment
(append casl-font-lock-keywords
(list '("\\(%%.*$\\)" (0 casl-comment-face t t))
'("%{[^}]*}%[ \t\n]*" (0 casl-comment-face t t))
))
"Special Comment")
;; Alternativ for Annotation
(defconst casl-font-lock-annotations
(append casl-font-lock-specialcomment
(list
;; %word(...)\n
'("%\\sw+\([^%\n]+\)$" (0 casl-annotation-face t t))
;; %word \n
'("%\\sw+[ \t]*$" (0 casl-annotation-face t t))
;; %( ... )%
'("%\([^)%]*\)%[ \t\n]*" (0 casl-annotation-face t t))
;; %word( ... )%
'("%\\sw+\([^)%]*\)%[ \t\n]*" (0 casl-annotation-face t t))
))
"Annotation")
;; Define default highlighting level
;; (defvar casl-font-lock-syntax-highligthing casl-font-lock-keywords
(defvar casl-font-lock-syntax-highligthing casl-font-lock-annotations
"Default syntax highlighting level in CASL mode")
;; ====================== S Y N T A X T A B L E ==================
;; Syntax table for CASL major mode
(defvar casl-mode-syntax-table nil
"Syntax table for CASL mode.")
(if casl-mode-syntax-table
()
(let ((table (make-syntax-table)))
;; Indicate that underscore may be part of a word
(modify-syntax-entry ?_ "w" table)
;; Commnets
(if casl-running-xemacs
((modify-syntax-entry ?% ". 58" table)
(modify-syntax-entry ?\[ "(] 6" table)
(modify-syntax-entry ?\] ")[ 7" table))
(modify-syntax-entry ?% ". 14b" table)
(modify-syntax-entry ?\[ "(] 2" table)
(modify-syntax-entry ?\] ")[ 3" table))
;; commenting-out plus including other kinds of comment
(modify-syntax-entry ?\( "()" table)
(modify-syntax-entry ?\) ")(" table)
(modify-syntax-entry ?{ "(}" table)
(modify-syntax-entry ?} "){" table)
(mapcar (lambda (x)
(modify-syntax-entry x "_" table))
;; Some of these are actually OK by default.
"!#$&*+.,/:<=>?@^|~")
(setq casl-mode-syntax-table table))
)
;; Various mode variables.
(defun casl-vars ()
(kill-all-local-variables)
(make-local-variable 'comment-start)
(setq comment-start "%[")
(make-local-variable 'comment-padding)
(setq comment-padding 0)
(make-local-variable 'comment-start-skip)
(setq comment-start-skip "%[%{[] *")
(make-local-variable 'comment-column)
(setq comment-column 40)
(make-local-variable 'comment-indent-function)
(setq comment-indent-function 'casl-comment-indent)
(make-local-variable 'comment-end)
(setq comment-end "]%"))
;; Find the indentation level for a comment.
(defun casl-comment-indent ()
(skip-chars-backward " \t")
;; if the line is blank, put the comment at the beginning,
;; else at comment-column
(if (bolp) 0 (max (1+ (current-column)) comment-column)))
;; ======================= R U N H E T S =======================
(require 'compile)
(setq casl-error-list nil)
(defvar hets-program nil)
(defun casl-run-hets ()
"Run hets process to compile the current CASL file."
(interactive)
(save-buffer nil)
(setq old-buffer (current-buffer))
(if hets-program
(setq casl-hets-program hets-program)
(setq casl-hets-program "hets"))
(let* ((casl-hets-file-name (buffer-file-name))
(outbuf (get-buffer-create "*hets-run*")))
(set-buffer outbuf)
(setq buffer-read-only nil)
(buffer-disable-undo (current-buffer))
(erase-buffer)
(buffer-enable-undo (current-buffer))
(pop-to-buffer outbuf)
(insert casl-hets-program " " casl-hets-file-name "\n")
(let ((status
(call-process shell-file-name nil t nil "-c"
(concat casl-hets-program " " casl-hets-file-name))))
(cond ((numberp status)
(compilation-handle-exit 'exit status
(if (zerop status)
"finished\n"
(format "exited abnormally with code %d\n" status))))
((stringp status)
(compilation-handle-exit 'signal status
(concat status "\n")))
(t
(compilation-handle-exit 'bizarre status status)))
(if (zerop status)
(setq casl-error-list nil)
(setq casl-error-list nil)
(casl-parse-error)
(message "%s errors have been found." (length casl-error-list)))
(pop-to-buffer old-buffer)
)))
;; also functions with old hets-program?
(defun casl-parse-error ()
"Error Parser"
(interactive)
;;;(pop-to-buffer compiler-buffer)
(goto-char (point-min))
(while (not (eobp))
(if (not (or (looking-at "Fail") (looking-at "\\*\\*\\*")))
(forward-line 1)
(skip-chars-forward "a-zA-Z* ")
(forward-char 1)
(if (not (search-forward ":" (save-excursion (end-of-line) (point)) t 1))
(forward-line 1)
(re-search-backward "\\(\(\\|\\s-+\\)\\([^.]+\\.\\(casl\\|het\\)\\)" nil t 1)
(setq file-name (match-string-no-properties 2))
(re-search-forward ":\\([0-9]+\\)\\.\\([0-9]+\\)[:,]" (save-excursion (end-of-line) (point)) t 1)
(when (not (string= (match-string-no-properties 0) ""))
(setq error-line (match-string-no-properties 1))
(setq error-colnum (match-string-no-properties 2))
(setq casl-error-list
(nconc casl-error-list (list (list file-name error-line error-colnum))))
)
(forward-line 1)))))
(defun casl-compile-goto-next-error ()
"search the next error position from error-list, and move to it."
(interactive)
;; wenn error-list leer ist...
(if (null casl-error-list)
(if (member (get-buffer "*hets-run*") (buffer-list))
(message "no error.")
(message "this file have not yet been compiled.")) ;; wie sagt auf englisch?
(let* ((this-error (pop casl-error-list))
(error-file-name (nth 0 this-error))
(error-line (nth 1 this-error))
(error-column (nth 2 this-error)))
;; (message "DEBUG<Goto Error>: file: %s, line: %s, column: %s" error-file-name error-line error-column)
;; wenn die Datei, die fehlerbehaftet ist, schon geoeffnet...
(if (get-file-buffer error-file-name)
(pop-to-buffer (get-file-buffer error-file-name))
(generate-new-buffer error-file-name)
(pop-to-buffer error-file-name)
(insert-file-contents error-file-name))
(goto-line (string-to-number error-line))
(move-to-column (- (string-to-number error-column) 1))
(message "goto next error... line: %s column: %s" error-line error-column)
(setq casl-error-list (nconc casl-error-list (list this-error)))
)))
;; ================= C A S L M A J O R M O D E ===============
;; Definition of CASL major mode
(defun casl-mode ()
"Major mode for editing CASL models"
(interactive)
(casl-vars)
(setq major-mode 'casl-mode)
(setq mode-name "CASL")
;; Load keymap
(use-local-map casl-mode-map)
;; Load syntax table
(set-syntax-table casl-mode-syntax-table)
;; (casl-create-syntax-table)
;; Highlight CASL keywords
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults
'(casl-font-lock-syntax-highligthing))
;; Support for compile.el
;; We just substitute our own functions to go to the error.
(add-hook 'compilation-mode-hook
(lambda()
(set (make-local-variable 'compile-auto-highlight) 40)
;; FIXME: This has global impact! -stef
(define-key compilation-minor-mode-map [mouse-2]
'casl-compile-mouse-goto-error)
(define-key compilation-minor-mode-map "\C-m"
'casl-compile-goto-error)))
(run-hooks 'casl-mode-hook)
)
(provide 'casl-mode)
;; CASL-mode ends here