]> code.delx.au - gnu-emacs/blobdiff - lisp/progmodes/modula2.el
Romain Francoise's and Ami Fischman's bugfixes.
[gnu-emacs] / lisp / progmodes / modula2.el
index 2aa1bc5baae8a2fe54e1e2c94c51d56037822b8b..2501f2d362e056f560fc9885810eba306a50a764 100644 (file)
@@ -1,9 +1,12 @@
 ;;; modula2.el --- Modula-2 editing support package
 
-;; Author: Michael Schmidt <michael@pbinfo.UUCP> 
+;; Author: Michael Schmidt <michael@pbinfo.UUCP>
 ;;     Tom Perrine <Perrin@LOGICON.ARPA>
+;; Maintainer: FSF
 ;; Keywords: languages
 
+;; This file is part of GNU Emacs.
+
 ;; The authors distributed this without a copyright notice
 ;; back in 1988, so it is in the public domain.  The original included
 ;; the following credit:
 
 ;;; Code:
 
+(defgroup modula2 nil
+  "Major mode for editing Modula-2 code."
+  :prefix "m2-"
+  :group 'languages)
+
 ;;; Added by Tom Perrine (TEP)
 (defvar m2-mode-syntax-table nil
   "Syntax table in use in Modula-2 buffers.")
 
-(defvar m2-compile-command "m2c"
-  "Command to compile Modula-2 programs")
+(defcustom m2-compile-command "m2c"
+  "Command to compile Modula-2 programs."
+  :type 'string
+  :group 'modula2)
 
-(defvar m2-link-command "m2l"
-  "Command to link Modula-2 programs")
+(defcustom m2-link-command "m2l"
+  "Command to link Modula-2 programs."
+  :type 'string
+  :group 'modula2)
 
-(defvar m2-link-name nil
-  "Name of the executable.")
+(defcustom m2-link-name nil
+  "Name of the Modula-2 executable."
+  :type '(choice (const nil) string)
+  :group 'modula2)
 
-(defvar m2-end-comment-column nil
-  "*Column for aligning the end of a comment, in Modula-2.")
+(defcustom m2-end-comment-column 75
+  "*Column for aligning the end of a comment, in Modula-2."
+  :type 'integer
+  :group 'modula2)
 
 (if m2-mode-syntax-table
     ()
     (define-key map "\C-c\C-c" 'm2-compile)
     (setq m2-mode-map map)))
 
-(defvar m2-indent 5 "*This variable gives the indentation in Modula-2-Mode")
-  
+(defcustom m2-indent 5
+  "*This variable gives the indentation in Modula-2-Mode."
+  :type 'integer
+  :group 'modula2)
+
 ;;;###autoload
 (defun modula-2-mode ()
   "This is a mode intended to support program development in Modula-2.
@@ -122,7 +141,6 @@ followed by the first character of the construct.
   (make-local-variable 'comment-column)
   (setq comment-column 41)
   (make-local-variable 'm2-end-comment-column)
-  (setq m2-end-comment-column 75)
   (set-syntax-table m2-mode-syntax-table)
   (make-local-variable 'paragraph-start)
   (setq paragraph-start (concat "$\\|" page-delimiter))
@@ -150,14 +168,14 @@ followed by the first character of the construct.
   (setq font-lock-defaults
        '((m3-font-lock-keywords
           m3-font-lock-keywords-1 m3-font-lock-keywords-2)
-         nil nil ((?_ . "w") (?. . "w")) nil
+         nil nil ((?_ . "w") (?. . "w") (?< . ". 1") (?> . ". 4")) nil
          ;; Obsoleted by Emacs 19.35 parse-partial-sexp's COMMENTSTOP.
          ;(font-lock-comment-start-regexp . "(\\*")
          ))
   (run-hooks 'm2-mode-hook))
 \f
-;; Regexps written with help from Ron Forrester <ron@orcad.com>.
-
+;; Regexps written with help from Ron Forrester <ron@orcad.com>
+;; and Spencer Allain <sallain@teknowledge.com>.
 (defconst m3-font-lock-keywords-1
   '(
     ;;
@@ -170,10 +188,13 @@ followed by the first character of the construct.
      (1 font-lock-keyword-face)
      (font-lock-match-c-style-declaration-item-and-skip-to-next
       nil (goto-char (match-end 0))
-      (1 font-lock-reference-face)))
+      (1 font-lock-constant-face)))
     ;;
     ;; Pragmas as warnings.
-    ("<\\*.*\\*>" . font-lock-warning-face)
+    ;; Spencer Allain <sallain@teknowledge.com> says do them as comments...
+    ;; ("<\\*.*\\*>" . font-lock-warning-face)
+    ;; ... but instead we fontify the first word.
+    ("<\\*[ \t]*\\(\\sw+\\)" 1 font-lock-warning-face prepend)
     )
   "Subdued level highlighting for Modula-3 modes.")
 
@@ -181,42 +202,25 @@ followed by the first character of the construct.
   (append m3-font-lock-keywords-1
    (eval-when-compile
      (let ((m3-types
-;          (make-regexp
-;           '("INTEGER" "BITS" "BOOLEAN" "CARDINAL" "CHAR" "FLOAT"
-;             "LONGREAL" "REAL" "REFANY" "ADDRESS" "ARRAY" "TEXT"))
-           (concat "A\\(DDRESS\\|RRAY\\)\\|B\\(ITS\\|OOLEAN\\)\\|"
-                   "C\\(ARDINAL\\|HAR\\)\\|FLOAT\\|INTEGER\\|LONGREAL\\|"
-                   "RE\\(AL\\|FANY\\)\\|TEXT"))
+           (regexp-opt
+            '("INTEGER" "BITS" "BOOLEAN" "CARDINAL" "CHAR" "FLOAT" "REAL"
+              "LONGREAL" "REFANY" "ADDRESS" "ARRAY" "SET" "TEXT"
+              "MUTEX" "ROOT" "EXTENDED")))
           (m3-keywords
-;          (make-regexp
-;           '("AND" "ANY" "AS" "BEGIN" "BRANDED" "BY" "CASE" "CONST" "DIV"
-;             "DO" "ELSE" "ELSIF" "EVAL" "EXCEPT" "EXIT" "EXTENDED" "FINALLY"
-;             "FOR" "IF" "IN" "LOCK" "LOOP" "METHODS" "MOD" "MUTEX" "NOT"
-;             "OBJECT" "OF" "OR" "OVERRIDES" "READONLY" "RECORD" "REF"
-;             "REPEAT" "RETURN" "REVEAL" "ROOT" "SET" "THEN" "TO" "TRY"
-;             "TYPE" "TYPECASE" "UNSAFE" "UNTIL" "UNTRACED" "VAR" "VALUE"
-;             "WHILE" "WITH"))
-           (concat "A\\(N[DY]\\|S\\)\\|B\\(EGIN\\|RANDED\\|Y\\)\\|"
-                   "C\\(ASE\\|ONST\\)\\|D\\(IV\\|O\\)\\|"
-                   "E\\(LS\\(E\\|IF\\)\\|VAL\\|"
-                   "X\\(CEPT\\|IT\\|TENDED\\)\\)\\|F\\(INALLY\\|OR\\)\\|"
-                   "I[FN]\\|LO\\(CK\\|OP\\)\\|M\\(ETHODS\\|OD\\|UTEX\\)\\|"
-                   "NOT\\|O\\([FR]\\|BJECT\\|VERRIDES\\)\\|"
-                   "R\\(E\\(ADONLY\\|CORD\\|F\\|PEAT\\|TURN\\|VEAL\\)\\|"
-                   "OOT\\)\\|SET\\|T\\(HEN\\|O\\|RY\\|YPE\\(\\|CASE\\)\\)\\|"
-                   "UN\\(SAFE\\|T\\(IL\\|RACED\\)\\)\\|VA\\(LUE\\|R\\)\\|"
-                   "W\\(HILE\\|ITH\\)"))
+           (regexp-opt
+            '("AND" "ANY" "AS" "BEGIN" "BRANDED" "BY" "CASE" "CONST" "DIV"
+              "DO" "ELSE" "ELSIF" "EVAL" "EXCEPT" "EXIT" "FINALLY"
+              "FOR" "GENERIC" "IF" "IN" "LOCK" "LOOP" "METHODS" "MOD" "NOT"
+              "OBJECT" "OF" "OR" "OVERRIDES" "READONLY" "RECORD" "REF"
+              "REPEAT" "RETURN" "REVEAL" "THEN" "TO" "TRY"
+              "TYPE" "TYPECASE" "UNSAFE" "UNTIL" "UNTRACED" "VAR" "VALUE"
+              "WHILE" "WITH")))
           (m3-builtins
-;          (make-regexp
-;           '("ABS" "ADR" "ADRSIZE" "BITSIZE" "BYTESIZE" "CEILING"
-;             "DEC" "DISPOSE" "FIRST" "FLOOR" "INC" "ISTYPE" "LAST"
-;             "LOOPHOLE" "MAX" "MIN" "NARROW" "NEW" "NUMBER" "ORD"
-;             "ROUND" "SUBARRAY" "TRUNC" "TYPECODE" "VAL"))
-           (concat "A\\(BS\\|DR\\(\\|SIZE\\)\\)\\|B\\(ITSIZE\\|YTESIZE\\)\\|"
-                   "CEILING\\|D\\(EC\\|ISPOSE\\)\\|F\\(IRST\\|LOOR\\)\\|"
-                   "I\\(NC\\|STYPE\\)\\|L\\(AST\\|OOPHOLE\\)\\|"
-                   "M\\(AX\\|IN\\)\\|N\\(ARROW\\|EW\\|UMBER\\)\\|ORD\\|"
-                   "ROUND\\|SUBARRAY\\|T\\(RUNC\\|YPECODE\\)\\|VAL"))
+           (regexp-opt
+            '("ABS" "ADR" "ADRSIZE" "BITSIZE" "BYTESIZE" "CEILING"
+              "DEC" "DISPOSE" "FIRST" "FLOOR" "INC" "ISTYPE" "LAST"
+              "LOOPHOLE" "MAX" "MIN" "NARROW" "NEW" "NUMBER" "ORD"
+              "ROUND" "SUBARRAY" "TRUNC" "TYPECODE" "VAL")))
           )
        (list
        ;;
@@ -232,11 +236,12 @@ followed by the first character of the construct.
        ;; Fontify tokens as function names.
        '("\\<\\(END\\|EXCEPTION\\|RAISES?\\)\\>[ \t{]*"
          (1 font-lock-keyword-face)
-         (font-lock-match-c-style-declaration-item-and-skip-to-next nil nil
+         (font-lock-match-c-style-declaration-item-and-skip-to-next
+          nil (goto-char (match-end 0))
           (1 font-lock-function-name-face)))
        ;;
        ;; Fontify constants as references.
-       '("\\<\\(FALSE\\|NIL\\|NULL\\|TRUE\\)\\>" . font-lock-reference-face)
+       '("\\<\\(FALSE\\|NIL\\|NULL\\|TRUE\\)\\>" . font-lock-constant-face)
        ))))
   "Gaudy level highlighting for Modula-3 modes.")
 
@@ -424,7 +429,7 @@ followed by the first character of the construct.
 (defun m2-stdio ()
   (interactive)
   (insert "
-FROM TextIO IMPORT 
+FROM TextIO IMPORT
    WriteCHAR, ReadCHAR, WriteINTEGER, ReadINTEGER,
    WriteCARDINAL, ReadCARDINAL, WriteBOOLEAN, ReadBOOLEAN,
    WriteREAL, ReadREAL, WriteBITSET, ReadBITSET,
@@ -556,4 +561,7 @@ FROM SysStreams IMPORT sysIn, sysOut, sysErr;
         (find-file-other-window
          (concat (substring (buffer-name) 0 -3)  ".mi")))))
 
+(provide 'modula2)
+
+;;; arch-tag: a21df1cb-5ece-4709-9219-1e7cd2d85d90
 ;;; modula2.el ends here