code.delx.au - gnu-emacs/blob - lisp/progmodes/modula2.el

   1 ;;; modula2.el --- Modula-2 editing support package
   2
   3 ;; Author: Michael Schmidt <michael@pbinfo.UUCP>
   4 ;;      Tom Perrine <Perrin@LOGICON.ARPA>
   5 ;; Keywords: languages
   6
   7 ;; The authors distributed this without a copyright notice
   8 ;; back in 1988, so it is in the public domain.  The original included
   9 ;; the following credit:
  10
  11 ;; Author Mick Jordan
  12 ;; amended Peter Robinson
  13
  14 ;;; Commentary:
  15
  16 ;; A major mode for editing Modula-2 code.  It provides convenient abbrevs
  17 ;; for Modula-2 keywords, knows about the standard layout rules, and supports
  18 ;; a native compile command.
  19
  20 ;;; Code:
  21
  22 ;;; Added by Tom Perrine (TEP)
  23 (defvar m2-mode-syntax-table nil
  24   "Syntax table in use in Modula-2 buffers.")
  25
  26 (defvar m2-compile-command "m2c"
  27   "Command to compile Modula-2 programs")
  28
  29 (defvar m2-link-command "m2l"
  30   "Command to link Modula-2 programs")
  31
  32 (defvar m2-link-name nil
  33   "Name of the executable.")
  34
  35 (defvar m2-end-comment-column nil
  36   "*Column for aligning the end of a comment, in Modula-2.")
  37
  38 (if m2-mode-syntax-table
  39     ()
  40   (let ((table (make-syntax-table)))
  41     (modify-syntax-entry ?\\ "\\" table)
  42     (modify-syntax-entry ?\( ". 1" table)
  43     (modify-syntax-entry ?\) ". 4" table)
  44     (modify-syntax-entry ?* ". 23" table)
  45     (modify-syntax-entry ?+ "." table)
  46     (modify-syntax-entry ?- "." table)
  47     (modify-syntax-entry ?= "." table)
  48     (modify-syntax-entry ?% "." table)
  49     (modify-syntax-entry ?< "." table)
  50     (modify-syntax-entry ?> "." table)
  51     (modify-syntax-entry ?\' "\"" table)
  52     (setq m2-mode-syntax-table table)))
  53
  54 ;;; Added by TEP
  55 (defvar m2-mode-map nil
  56   "Keymap used in Modula-2 mode.")
  57
  58 (if m2-mode-map ()
  59   (let ((map (make-sparse-keymap)))
  60     (define-key map "\^i" 'm2-tab)
  61     (define-key map "\C-cb" 'm2-begin)
  62     (define-key map "\C-cc" 'm2-case)
  63     (define-key map "\C-cd" 'm2-definition)
  64     (define-key map "\C-ce" 'm2-else)
  65     (define-key map "\C-cf" 'm2-for)
  66     (define-key map "\C-ch" 'm2-header)
  67     (define-key map "\C-ci" 'm2-if)
  68     (define-key map "\C-cm" 'm2-module)
  69     (define-key map "\C-cl" 'm2-loop)
  70     (define-key map "\C-co" 'm2-or)
  71     (define-key map "\C-cp" 'm2-procedure)
  72     (define-key map "\C-c\C-w" 'm2-with)
  73     (define-key map "\C-cr" 'm2-record)
  74     (define-key map "\C-cs" 'm2-stdio)
  75     (define-key map "\C-ct" 'm2-type)
  76     (define-key map "\C-cu" 'm2-until)
  77     (define-key map "\C-cv" 'm2-var)
  78     (define-key map "\C-cw" 'm2-while)
  79     (define-key map "\C-cx" 'm2-export)
  80     (define-key map "\C-cy" 'm2-import)
  81     (define-key map "\C-c{" 'm2-begin-comment)
  82     (define-key map "\C-c}" 'm2-end-comment)
  83     (define-key map "\C-j"  'm2-newline)
  84     (define-key map "\C-c\C-z" 'suspend-emacs)
  85     (define-key map "\C-c\C-v" 'm2-visit)
  86     (define-key map "\C-c\C-t" 'm2-toggle)
  87     (define-key map "\C-c\C-l" 'm2-link)
  88     (define-key map "\C-c\C-c" 'm2-compile)
  89     (setq m2-mode-map map)))
  90
  91 (defvar m2-indent 5 "*This variable gives the indentation in Modula-2-Mode")
  92
  93 ;;;###autoload
  94 (defun modula-2-mode ()
  95   "This is a mode intended to support program development in Modula-2.
  96 All control constructs of Modula-2 can be reached by typing C-c
  97 followed by the first character of the construct.
  98 \\<m2-mode-map>
  99   \\[m2-begin] begin         \\[m2-case] case
 100   \\[m2-definition] definition    \\[m2-else] else
 101   \\[m2-for] for           \\[m2-header] header
 102   \\[m2-if] if            \\[m2-module] module
 103   \\[m2-loop] loop          \\[m2-or] or
 104   \\[m2-procedure] procedure     Control-c Control-w with
 105   \\[m2-record] record        \\[m2-stdio] stdio
 106   \\[m2-type] type          \\[m2-until] until
 107   \\[m2-var] var           \\[m2-while] while
 108   \\[m2-export] export        \\[m2-import] import
 109   \\[m2-begin-comment] begin-comment \\[m2-end-comment] end-comment
 110   \\[suspend-emacs] suspend Emacs     \\[m2-toggle] toggle
 111   \\[m2-compile] compile           \\[m2-next-error] next-error
 112   \\[m2-link] link
 113
 114    `m2-indent' controls the number of spaces for each indentation.
 115    `m2-compile-command' holds the command to compile a Modula-2 program.
 116    `m2-link-command' holds the command to link a Modula-2 program."
 117   (interactive)
 118   (kill-all-local-variables)
 119   (use-local-map m2-mode-map)
 120   (setq major-mode 'modula-2-mode)
 121   (setq mode-name "Modula-2")
 122   (make-local-variable 'comment-column)
 123   (setq comment-column 41)
 124   (make-local-variable 'm2-end-comment-column)
 125   (setq m2-end-comment-column 75)
 126   (set-syntax-table m2-mode-syntax-table)
 127   (make-local-variable 'paragraph-start)
 128   (setq paragraph-start (concat "$\\|" page-delimiter))
 129   (make-local-variable 'paragraph-separate)
 130   (setq paragraph-separate paragraph-start)
 131   (make-local-variable 'paragraph-ignore-fill-prefix)
 132   (setq paragraph-ignore-fill-prefix t)
 133 ;  (make-local-variable 'indent-line-function)
 134 ;  (setq indent-line-function 'c-indent-line)
 135   (make-local-variable 'require-final-newline)
 136   (setq require-final-newline t)
 137   (make-local-variable 'comment-start)
 138   (setq comment-start "(* ")
 139   (make-local-variable 'comment-end)
 140   (setq comment-end " *)")
 141   (make-local-variable 'comment-column)
 142   (setq comment-column 41)
 143   (make-local-variable 'comment-start-skip)
 144   (setq comment-start-skip "/\\*+ *")
 145   (make-local-variable 'comment-indent-function)
 146   (setq comment-indent-function 'c-comment-indent)
 147   (make-local-variable 'parse-sexp-ignore-comments)
 148   (setq parse-sexp-ignore-comments t)
 149   (make-local-variable 'font-lock-defaults)
 150   (setq font-lock-defaults
 151         '((m3-font-lock-keywords
 152            m3-font-lock-keywords-1 m3-font-lock-keywords-2)
 153           nil nil ((?_ . "w") (?. . "w")) nil
 154           ;; Obsoleted by Emacs 19.35 parse-partial-sexp's COMMENTSTOP.
 155           ;(font-lock-comment-start-regexp . "(\\*")
 156           ))
 157   (run-hooks 'm2-mode-hook))
 158 \f
 159 ;; Regexps written with help from Ron Forrester <ron@orcad.com>.
 160
 161 (defconst m3-font-lock-keywords-1
 162   '(
 163     ;;
 164     ;; Module definitions.
 165     ("\\<\\(INTERFACE\\|MODULE\\|PROCEDURE\\)\\>[ \t]*\\(\\sw+\\)?"
 166      (1 font-lock-keyword-face) (2 font-lock-function-name-face nil t))
 167     ;;
 168     ;; Import directives.
 169     ("\\<\\(EXPORTS\\|FROM\\|IMPORT\\)\\>"
 170      (1 font-lock-keyword-face)
 171      (font-lock-match-c-style-declaration-item-and-skip-to-next
 172       nil (goto-char (match-end 0))
 173       (1 font-lock-reference-face)))
 174     ;;
 175     ;; Pragmas as warnings.
 176     ("<\\*.*\\*>" . font-lock-warning-face)
 177     )
 178   "Subdued level highlighting for Modula-3 modes.")
 179
 180 (defconst m3-font-lock-keywords-2
 181   (append m3-font-lock-keywords-1
 182    (eval-when-compile
 183      (let ((m3-types
 184 ;           (make-regexp
 185 ;            '("INTEGER" "BITS" "BOOLEAN" "CARDINAL" "CHAR" "FLOAT"
 186 ;              "LONGREAL" "REAL" "REFANY" "ADDRESS" "ARRAY" "TEXT"))
 187             (concat "A\\(DDRESS\\|RRAY\\)\\|B\\(ITS\\|OOLEAN\\)\\|"
 188                     "C\\(ARDINAL\\|HAR\\)\\|FLOAT\\|INTEGER\\|LONGREAL\\|"
 189                     "RE\\(AL\\|FANY\\)\\|TEXT"))
 190            (m3-keywords
 191 ;           (make-regexp
 192 ;            '("AND" "ANY" "AS" "BEGIN" "BRANDED" "BY" "CASE" "CONST" "DIV"
 193 ;              "DO" "ELSE" "ELSIF" "EVAL" "EXCEPT" "EXIT" "EXTENDED" "FINALLY"
 194 ;              "FOR" "IF" "IN" "LOCK" "LOOP" "METHODS" "MOD" "MUTEX" "NOT"
 195 ;              "OBJECT" "OF" "OR" "OVERRIDES" "READONLY" "RECORD" "REF"
 196 ;              "REPEAT" "RETURN" "REVEAL" "ROOT" "SET" "THEN" "TO" "TRY"
 197 ;              "TYPE" "TYPECASE" "UNSAFE" "UNTIL" "UNTRACED" "VAR" "VALUE"
 198 ;              "WHILE" "WITH"))
 199             (concat "A\\(N[DY]\\|S\\)\\|B\\(EGIN\\|RANDED\\|Y\\)\\|"
 200                     "C\\(ASE\\|ONST\\)\\|D\\(IV\\|O\\)\\|"
 201                     "E\\(LS\\(E\\|IF\\)\\|VAL\\|"
 202                     "X\\(CEPT\\|IT\\|TENDED\\)\\)\\|F\\(INALLY\\|OR\\)\\|"
 203                     "I[FN]\\|LO\\(CK\\|OP\\)\\|M\\(ETHODS\\|OD\\|UTEX\\)\\|"
 204                     "NOT\\|O\\([FR]\\|BJECT\\|VERRIDES\\)\\|"
 205                     "R\\(E\\(ADONLY\\|CORD\\|F\\|PEAT\\|TURN\\|VEAL\\)\\|"
 206                     "OOT\\)\\|SET\\|T\\(HEN\\|O\\|RY\\|YPE\\(\\|CASE\\)\\)\\|"
 207                     "UN\\(SAFE\\|T\\(IL\\|RACED\\)\\)\\|VA\\(LUE\\|R\\)\\|"
 208                     "W\\(HILE\\|ITH\\)"))
 209            (m3-builtins
 210 ;           (make-regexp
 211 ;            '("ABS" "ADR" "ADRSIZE" "BITSIZE" "BYTESIZE" "CEILING"
 212 ;              "DEC" "DISPOSE" "FIRST" "FLOOR" "INC" "ISTYPE" "LAST"
 213 ;              "LOOPHOLE" "MAX" "MIN" "NARROW" "NEW" "NUMBER" "ORD"
 214 ;              "ROUND" "SUBARRAY" "TRUNC" "TYPECODE" "VAL"))
 215             (concat "A\\(BS\\|DR\\(\\|SIZE\\)\\)\\|B\\(ITSIZE\\|YTESIZE\\)\\|"
 216                     "CEILING\\|D\\(EC\\|ISPOSE\\)\\|F\\(IRST\\|LOOR\\)\\|"
 217                     "I\\(NC\\|STYPE\\)\\|L\\(AST\\|OOPHOLE\\)\\|"
 218                     "M\\(AX\\|IN\\)\\|N\\(ARROW\\|EW\\|UMBER\\)\\|ORD\\|"
 219                     "ROUND\\|SUBARRAY\\|T\\(RUNC\\|YPECODE\\)\\|VAL"))
 220            )
 221        (list
 222         ;;
 223         ;; Keywords except those fontified elsewhere.
 224         (concat "\\<\\(" m3-keywords "\\)\\>")
 225         ;;
 226         ;; Builtins.
 227         (cons (concat "\\<\\(" m3-builtins "\\)\\>") 'font-lock-builtin-face)
 228         ;;
 229         ;; Type names.
 230         (cons (concat "\\<\\(" m3-types "\\)\\>") 'font-lock-type-face)
 231         ;;
 232         ;; Fontify tokens as function names.
 233         '("\\<\\(END\\|EXCEPTION\\|RAISES?\\)\\>[ \t{]*"
 234           (1 font-lock-keyword-face)
 235           (font-lock-match-c-style-declaration-item-and-skip-to-next nil nil
 236            (1 font-lock-function-name-face)))
 237         ;;
 238         ;; Fontify constants as references.
 239         '("\\<\\(FALSE\\|NIL\\|NULL\\|TRUE\\)\\>" . font-lock-reference-face)
 240         ))))
 241   "Gaudy level highlighting for Modula-3 modes.")
 242
 243 (defvar m3-font-lock-keywords m3-font-lock-keywords-1
 244   "Default expressions to highlight in Modula-3 modes.")
 245
 246 ;; We don't actually have different keywords for Modula-2.  Volunteers?
 247 (defconst m2-font-lock-keywords-1 m3-font-lock-keywords-1
 248   "Subdued level highlighting for Modula-2 modes.")
 249
 250 (defconst m2-font-lock-keywords-2 m3-font-lock-keywords-2
 251   "Gaudy level highlighting for Modula-2 modes.")
 252
 253 (defvar m2-font-lock-keywords m2-font-lock-keywords-1
 254   "Default expressions to highlight in Modula-2 modes.")
 255 \f
 256 (defun m2-newline ()
 257   "Insert a newline and indent following line like previous line."
 258   (interactive)
 259   (let ((hpos (current-indentation)))
 260     (newline)
 261     (indent-to hpos)))
 262
 263 (defun m2-tab ()
 264   "Indent to next tab stop."
 265   (interactive)
 266   (indent-to (* (1+ (/ (current-indentation) m2-indent)) m2-indent)))
 267
 268 (defun m2-begin ()
 269   "Insert a BEGIN keyword and indent for the next line."
 270   (interactive)
 271   (insert "BEGIN")
 272   (m2-newline)
 273   (m2-tab))
 274
 275 (defun m2-case ()
 276   "Build skeleton CASE statement, prompting for the <expression>."
 277   (interactive)
 278   (let ((name (read-string "Case-Expression: ")))
 279     (insert "CASE " name " OF")
 280     (m2-newline)
 281     (m2-newline)
 282     (insert "END (* case " name " *);"))
 283   (end-of-line 0)
 284   (m2-tab))
 285
 286 (defun m2-definition ()
 287   "Build skeleton DEFINITION MODULE, prompting for the <module name>."
 288   (interactive)
 289   (insert "DEFINITION MODULE ")
 290   (let ((name (read-string "Name: ")))
 291     (insert name ";\n\n\n\nEND " name ".\n"))
 292   (previous-line 3))
 293
 294 (defun m2-else ()
 295   "Insert ELSE keyword and indent for next line."
 296   (interactive)
 297   (m2-newline)
 298   (backward-delete-char-untabify m2-indent ())
 299   (insert "ELSE")
 300   (m2-newline)
 301   (m2-tab))
 302
 303 (defun m2-for ()
 304   "Build skeleton FOR loop statement, prompting for the loop parameters."
 305   (interactive)
 306   (insert "FOR ")
 307   (let ((name (read-string "Loop Initialiser: ")) limit by)
 308     (insert name " TO ")
 309     (setq limit (read-string "Limit: "))
 310     (insert limit)
 311     (setq by (read-string "Step: "))
 312     (if (not (string-equal by ""))
 313         (insert " BY " by))
 314     (insert " DO")
 315     (m2-newline)
 316     (m2-newline)
 317     (insert "END (* for " name " to " limit " *);"))
 318   (end-of-line 0)
 319   (m2-tab))
 320
 321 (defun m2-header ()
 322   "Insert a comment block containing the module title, author, etc."
 323   (interactive)
 324   (insert "(*\n    Title: \t")
 325   (insert (read-string "Title: "))
 326   (insert "\n    Created:\t")
 327   (insert (current-time-string))
 328   (insert "\n    Author: \t")
 329   (insert (user-full-name))
 330   (insert (concat "\n\t\t<" (user-login-name) "@" (system-name) ">\n"))
 331   (insert "*)\n\n"))
 332
 333 (defun m2-if ()
 334   "Insert skeleton IF statement, prompting for <boolean-expression>."
 335   (interactive)
 336   (insert "IF ")
 337   (let ((thecondition (read-string "<boolean-expression>: ")))
 338     (insert thecondition " THEN")
 339     (m2-newline)
 340     (m2-newline)
 341     (insert "END (* if " thecondition " *);"))
 342   (end-of-line 0)
 343   (m2-tab))
 344
 345 (defun m2-loop ()
 346   "Build skeleton LOOP (with END)."
 347   (interactive)
 348   (insert "LOOP")
 349   (m2-newline)
 350   (m2-newline)
 351   (insert "END (* loop *);")
 352   (end-of-line 0)
 353   (m2-tab))
 354
 355 (defun m2-module ()
 356   "Build skeleton IMPLEMENTATION MODULE, prompting for <module-name>."
 357   (interactive)
 358   (insert "IMPLEMENTATION MODULE ")
 359   (let ((name (read-string "Name: ")))
 360     (insert name ";\n\n\n\nEND " name ".\n")
 361     (previous-line 3)
 362     (m2-header)
 363     (m2-type)
 364     (newline)
 365     (m2-var)
 366     (newline)
 367     (m2-begin)
 368     (m2-begin-comment)
 369     (insert " Module " name " Initialisation Code "))
 370   (m2-end-comment)
 371   (newline)
 372   (m2-tab))
 373
 374 (defun m2-or ()
 375   (interactive)
 376   (m2-newline)
 377   (backward-delete-char-untabify m2-indent)
 378   (insert "|")
 379   (m2-newline)
 380   (m2-tab))
 381
 382 (defun m2-procedure ()
 383   (interactive)
 384   (insert "PROCEDURE ")
 385   (let ((name (read-string "Name: " ))
 386         args)
 387     (insert name " (")
 388     (insert (read-string "Arguments: ") ")")
 389     (setq args (read-string "Result Type: "))
 390     (if (not (string-equal args ""))
 391         (insert " : " args))
 392     (insert ";")
 393     (m2-newline)
 394     (insert "BEGIN")
 395     (m2-newline)
 396     (m2-newline)
 397     (insert "END ")
 398     (insert name)
 399     (insert ";")
 400     (end-of-line 0)
 401     (m2-tab)))
 402
 403 (defun m2-with ()
 404   (interactive)
 405   (insert "WITH ")
 406   (let ((name (read-string "Record-Type: ")))
 407     (insert name)
 408     (insert " DO")
 409     (m2-newline)
 410     (m2-newline)
 411     (insert "END (* with " name " *);"))
 412   (end-of-line 0)
 413   (m2-tab))
 414
 415 (defun m2-record ()
 416   (interactive)
 417   (insert "RECORD")
 418   (m2-newline)
 419   (m2-newline)
 420   (insert "END (* record *);")
 421   (end-of-line 0)
 422   (m2-tab))
 423
 424 (defun m2-stdio ()
 425   (interactive)
 426   (insert "
 427 FROM TextIO IMPORT
 428    WriteCHAR, ReadCHAR, WriteINTEGER, ReadINTEGER,
 429    WriteCARDINAL, ReadCARDINAL, WriteBOOLEAN, ReadBOOLEAN,
 430    WriteREAL, ReadREAL, WriteBITSET, ReadBITSET,
 431    WriteBasedCARDINAL, ReadBasedCARDINAL, WriteChars, ReadChars,
 432    WriteString, ReadString, WhiteSpace, EndOfLine;
 433
 434 FROM SysStreams IMPORT sysIn, sysOut, sysErr;
 435
 436 "))
 437
 438 (defun m2-type ()
 439   (interactive)
 440   (insert "TYPE")
 441   (m2-newline)
 442   (m2-tab))
 443
 444 (defun m2-until ()
 445   (interactive)
 446   (insert "REPEAT")
 447   (m2-newline)
 448   (m2-newline)
 449   (insert "UNTIL ")
 450   (insert (read-string "<boolean-expression>: ") ";")
 451   (end-of-line 0)
 452   (m2-tab))
 453
 454 (defun m2-var ()
 455   (interactive)
 456   (m2-newline)
 457   (insert "VAR")
 458   (m2-newline)
 459   (m2-tab))
 460
 461 (defun m2-while ()
 462   (interactive)
 463   (insert "WHILE ")
 464   (let ((name (read-string "<boolean-expression>: ")))
 465     (insert name " DO" )
 466     (m2-newline)
 467     (m2-newline)
 468     (insert "END (* while " name " *);"))
 469   (end-of-line 0)
 470   (m2-tab))
 471
 472 (defun m2-export ()
 473   (interactive)
 474   (insert "EXPORT QUALIFIED "))
 475
 476 (defun m2-import ()
 477   (interactive)
 478   (insert "FROM ")
 479   (insert (read-string "Module: "))
 480   (insert " IMPORT "))
 481
 482 (defun m2-begin-comment ()
 483   (interactive)
 484   (if (not (bolp))
 485       (indent-to comment-column 0))
 486   (insert "(*  "))
 487
 488 (defun m2-end-comment ()
 489   (interactive)
 490   (if (not (bolp))
 491       (indent-to m2-end-comment-column))
 492   (insert "*)"))
 493
 494 (defun m2-compile ()
 495   (interactive)
 496   (compile (concat m2-compile-command " " (buffer-name))))
 497
 498 (defun m2-link ()
 499   (interactive)
 500   (if m2-link-name
 501       (compile (concat m2-link-command " " m2-link-name))
 502     (compile (concat m2-link-command " "
 503                      (setq m2-link-name (read-string "Name of executable: "
 504                                                      (buffer-name)))))))
 505
 506 (defun m2-execute-monitor-command (command)
 507   (let* ((shell shell-file-name)
 508          (csh (equal (file-name-nondirectory shell) "csh")))
 509     (call-process shell nil t t "-cf" (concat "exec " command))))
 510
 511 (defun m2-visit ()
 512   (interactive)
 513   (let ((deffile nil)
 514         (modfile nil)
 515         modulename)
 516     (save-excursion
 517       (setq modulename
 518             (read-string "Module name: "))
 519       (switch-to-buffer "*Command Execution*")
 520       (m2-execute-monitor-command (concat "m2whereis " modulename))
 521       (goto-char (point-min))
 522       (condition-case ()
 523           (progn (re-search-forward "\\(.*\\.def\\) *$")
 524                  (setq deffile (buffer-substring (match-beginning 1)
 525                                                  (match-end 1))))
 526         (search-failed ()))
 527       (condition-case ()
 528           (progn (re-search-forward "\\(.*\\.mod\\) *$")
 529                  (setq modfile (buffer-substring (match-beginning 1)
 530                                                  (match-end 1))))
 531         (search-failed ()))
 532       (if (not (or deffile modfile))
 533           (error "I can find neither definition nor implementation of %s"
 534                  modulename)))
 535     (cond (deffile
 536             (find-file deffile)
 537             (if modfile
 538                 (save-excursion
 539                   (find-file modfile))))
 540           (modfile
 541            (find-file modfile)))))
 542
 543 (defun m2-toggle ()
 544   "Toggle between .mod and .def files for the module."
 545   (interactive)
 546   (cond ((string-equal (substring (buffer-name) -4) ".def")
 547          (find-file-other-window
 548           (concat (substring (buffer-name) 0 -4) ".mod")))
 549         ((string-equal (substring (buffer-name) -4) ".mod")
 550          (find-file-other-window
 551           (concat (substring (buffer-name) 0 -4)  ".def")))
 552         ((string-equal (substring (buffer-name) -3) ".mi")
 553          (find-file-other-window
 554           (concat (substring (buffer-name) 0 -3)  ".md")))
 555         ((string-equal (substring (buffer-name) -3) ".md")
 556          (find-file-other-window
 557           (concat (substring (buffer-name) 0 -3)  ".mi")))))
 558
 559 ;;; modula2.el ends here