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- ; Modula-2 editing support package
- ; Author Mick Jordan
- ; amended Peter Robinson
- ; ported to GNU Michael Schmidt
- ;;;From: "Michael Schmidt" <michael@pbinfo.UUCP>
- ;;;Modified by Tom Perrine <Perrin@LOGICON.ARPA> (TEP)
-
-
- ;;; Added by TEP
- (defvar m2-mode-syntax-table nil
- "Syntax table in use in Modula-2-mode buffers.")
-
- (defvar m2-compile-command "m2c"
- "Command to compile Modula-2 programs")
-
- (defvar m2-link-command "m2l"
- "Command to link Modula-2 programs")
-
- (defvar m2-link-name nil
- "Name of the executable.")
-
-
- (if m2-mode-syntax-table
- ()
- (let ((table (make-syntax-table)))
- (modify-syntax-entry ?\\ "\\" table)
- (modify-syntax-entry ?\( ". 1" table)
- (modify-syntax-entry ?\) ". 4" table)
- (modify-syntax-entry ?* ". 23" table)
- (modify-syntax-entry ?+ "." table)
- (modify-syntax-entry ?- "." table)
- (modify-syntax-entry ?= "." table)
- (modify-syntax-entry ?% "." table)
- (modify-syntax-entry ?< "." table)
- (modify-syntax-entry ?> "." table)
- (modify-syntax-entry ?\' "\"" table)
- (setq m2-mode-syntax-table table)))
-
- ;;; Added by TEP
- (defvar m2-mode-map nil
- "Keymap used in Modula-2 mode.")
-
- (if m2-mode-map ()
- (let ((map (make-sparse-keymap)))
- (define-key map "\^i" 'm2-tab)
- (define-key map "\C-cb" 'm2-begin)
- (define-key map "\C-cc" 'm2-case)
- (define-key map "\C-cd" 'm2-definition)
- (define-key map "\C-ce" 'm2-else)
- (define-key map "\C-cf" 'm2-for)
- (define-key map "\C-ch" 'm2-header)
- (define-key map "\C-ci" 'm2-if)
- (define-key map "\C-cm" 'm2-module)
- (define-key map "\C-cl" 'm2-loop)
- (define-key map "\C-co" 'm2-or)
- (define-key map "\C-cp" 'm2-procedure)
- (define-key map "\C-c\C-w" 'm2-with)
- (define-key map "\C-cr" 'm2-record)
- (define-key map "\C-cs" 'm2-stdio)
- (define-key map "\C-ct" 'm2-type)
- (define-key map "\C-cu" 'm2-until)
- (define-key map "\C-cv" 'm2-var)
- (define-key map "\C-cw" 'm2-while)
- (define-key map "\C-cx" 'm2-export)
- (define-key map "\C-cy" 'm2-import)
- (define-key map "\C-c{" 'm2-begin-comment)
- (define-key map "\C-c}" 'm2-end-comment)
- (define-key map "\C-c\C-z" 'suspend-emacs)
- (define-key map "\C-c\C-v" 'm2-visit)
- (define-key map "\C-c\C-t" 'm2-toggle)
- (define-key map "\C-c\C-l" 'm2-link)
- (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")
-
- (defun modula-2-mode ()
- "This is a mode intended to support program development in Modula-2.
- All control constructs of Modula-2 can be reached by typing
- Control-C followed by the first character of the construct.
- \\{m2-mode-map}
- Control-c b begin Control-c c case
- Control-c d definition Control-c e else
- Control-c f for Control-c h header
- Control-c i if Control-c m module
- Control-c l loop Control-c o or
- Control-c p procedure Control-c Control-w with
- Control-c r record Control-c s stdio
- Control-c t type Control-c u until
- Control-c v var Control-c w while
- Control-c x export Control-c y import
- Control-c { begin-comment Control-c } end-comment
- Control-c Control-z suspend-emacs Control-c Control-t toggle
- Control-c Control-c compile Control-x ` next-error
- Control-c Control-l link
-
- m2-indent controls the number of spaces for each indentation.
- m2-compile-command holds the command to compile a Modula-2 program.
- m2-link-command holds the command to link a Modula-2 program."
- (interactive)
- (kill-all-local-variables)
- (use-local-map m2-mode-map)
- (setq major-mode 'modula-2-mode)
- (setq mode-name "Modula-2")
- (make-local-variable 'comment-column)
- (setq comment-column 41)
- (make-local-variable 'end-comment-column)
- (setq end-comment-column 75)
- (set-syntax-table m2-mode-syntax-table)
- (make-local-variable 'paragraph-start)
- (setq paragraph-start (concat "^$\\|" page-delimiter))
- (make-local-variable 'paragraph-separate)
- (setq paragraph-separate paragraph-start)
- (make-local-variable 'paragraph-ignore-fill-prefix)
- (setq paragraph-ignore-fill-prefix t)
- ; (make-local-variable 'indent-line-function)
- ; (setq indent-line-function 'c-indent-line)
- (make-local-variable 'require-final-newline)
- (setq require-final-newline t)
- (make-local-variable 'comment-start)
- (setq comment-start "(* ")
- (make-local-variable 'comment-end)
- (setq comment-end " *)")
- (make-local-variable 'comment-column)
- (setq comment-column 41)
- (make-local-variable 'comment-start-skip)
- (setq comment-start-skip "/\\*+ *")
- (make-local-variable 'comment-indent-hook)
- (setq comment-indent-hook 'c-comment-indent)
- (make-local-variable 'parse-sexp-ignore-comments)
- (setq parse-sexp-ignore-comments t)
- (run-hooks 'm2-mode-hook))
-
- (defun m2-newline ()
- "Insert a newline and indent following line like previous line."
- (interactive)
- (let ((hpos (current-indentation)))
- (newline)
- (indent-to hpos)))
-
- (defun m2-tab ()
- "Indent to next tab stop."
- (interactive)
- (indent-to (* (1+ (/ (current-indentation) m2-indent)) m2-indent)))
-
- (defun m2-begin ()
- "Insert a BEGIN keyword and indent for the next line."
- (interactive)
- (insert "BEGIN")
- (m2-newline)
- (m2-tab))
-
- (defun m2-case ()
- "Build skeleton CASE statment, prompting for the <expression>."
- (interactive)
- (insert "CASE " (read-string ": ") " OF")
- (m2-newline)
- (m2-newline)
- (insert "END (* case *);")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-definition ()
- "Build skeleton DEFINITION MODULE, prompting for the <module name>."
- (interactive)
- (insert "DEFINITION MODULE ")
- (let ((name (read-string "Name: ")))
- (insert name ";\n\n\n\nEND " name ".\n"))
- (previous-line 3))
-
- (defun m2-else ()
- "Insert ELSE keyword and indent for next line."
- (interactive)
- (m2-newline)
- (backward-delete-char-untabify m2-indent ())
- (insert "ELSE")
- (m2-newline)
- (m2-tab))
-
- (defun m2-for ()
- "Build skeleton FOR loop statment, prompting for the loop parameters."
- (interactive)
- (insert "FOR " (read-string "init: ") " TO " (read-string "end: "))
- (let ((by (read-string "by: ")))
- (if (not (string-equal by ""))
- (insert " BY " by)))
- (insert " DO")
- (m2-newline)
- (m2-newline)
- (insert "END (* for *);")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-header ()
- "Insert a comment block containing the module title, author, etc."
- (interactive)
- (insert "(*\n Title: \t")
- (insert (read-string "Title: "))
- (insert "\n Created:\t")
- (insert (current-time-string))
- (insert "\n Author: \t")
- (insert (user-full-name))
- (insert (concat "\n\t\t<" (user-login-name) "@" (system-name) ">\n"))
- (insert "*)\n\n"))
-
- (defun m2-if ()
- "Insert skeleton IF statment, prompting for <boolean-expression>."
- (interactive)
- (insert "IF " (read-string "<boolean-expression>: ") " THEN")
- (m2-newline)
- (m2-newline)
- (insert "END (* if *);")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-loop ()
- "Build skeleton LOOP (with END)."
- (interactive)
- (insert "LOOP")
- (m2-newline)
- (m2-newline)
- (insert "END (* loop *);")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-module ()
- "Build skeleton IMPLEMENTATION MODULE, prompting for <module-name>."
- (interactive)
- (insert "IMPLEMENTATION MODULE ")
- (let ((name (read-string "Name: ")))
- (insert name ";\n\n\n\nEND " name ".\n"))
- (previous-line 3))
-
- (defun m2-or ()
- (interactive)
- (m2-newline)
- (backward-delete-char-untabify m2-indent)
- (insert "|")
- (m2-newline)
- (m2-tab))
-
- (defun m2-procedure ()
- (interactive)
- (insert "PROCEDURE ")
- (let ((name (read-string "Name: " ))
- args)
- (insert name " (")
- (insert (read-string "Arguments: ") ")")
- (setq args (read-string "Result Type: "))
- (if (not (string-equal args ""))
- (insert " : " args))
- (insert ";")
- (m2-newline)
- (insert "BEGIN")
- (m2-newline)
- (m2-newline)
- (insert "END ")
- (insert name)
- (insert ";")
- (end-of-line 0)
- (m2-tab)))
-
- (defun m2-with ()
- (interactive)
- (insert "WITH ")
- (insert (read-string ": "))
- (insert " DO")
- (m2-newline)
- (m2-newline)
- (insert "END (* with *);")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-record ()
- (interactive)
- (insert "RECORD")
- (m2-newline)
- (m2-newline)
- (insert "END (* record *);")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-stdio ()
- (interactive)
- (insert "
- >FROM TextIO IMPORT
- WriteCHAR, ReadCHAR, WriteINTEGER, ReadINTEGER,
- WriteCARDINAL, ReadCARDINAL, WriteBOOLEAN, ReadBOOLEAN,
- WriteREAL, ReadREAL, WriteBITSET, ReadBITSET,
- WriteBasedCARDINAL, ReadBasedCARDINAL, WriteChars, ReadChars,
- WriteString, ReadString, WhiteSpace, EndOfLine;
-
- >FROM SysStreams IMPORT sysIn, sysOut, sysErr;
-
- "))
-
- (defun m2-type ()
- (interactive)
- (insert "TYPE")
- (m2-newline)
- (m2-tab))
-
- (defun m2-until ()
- (interactive)
- (insert "REPEAT")
- (m2-newline)
- (m2-newline)
- (insert "UNTIL ")
- (insert (read-string ": ") ";")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-var ()
- (interactive)
- (m2-newline)
- (insert "VAR")
- (m2-newline)
- (m2-tab))
-
- (defun m2-while ()
- (interactive)
- (insert "WHILE ")
- (insert (read-string ": "))
- (insert " DO")
- (m2-newline)
- (m2-newline)
- (insert "END (* while *);")
- (end-of-line 0)
- (m2-tab))
-
- (defun m2-export ()
- (interactive)
- (insert "EXPORT QUALIFIED "))
-
- (defun m2-import ()
- (interactive)
- (insert "FROM ")
- (insert (read-string "Module: "))
- (insert " IMPORT "))
-
- (defun m2-begin-comment ()
- (interactive)
- (if (not (bolp))
- (indent-to comment-column 0))
- (insert "(* "))
-
- (defun m2-end-comment ()
- (interactive)
- (if (not (bolp))
- (indent-to end-comment-column))
- (insert "*)"))
-
- (defun m2-compile ()
- (interactive)
- (setq modulename (buffer-name))
- (compile (concat m2-compile-command " " modulename)))
-
- (defun m2-link ()
- (interactive)
- (setq modulename (buffer-name))
- (if m2-link-name
- (compile (concat m2-link-command " " m2-link-name))
- (compile (concat m2-link-command " "
- (setq m2-link-name (read-string "Name of executable: "
- modulename))))))
-
- (defun execute-monitor-command (command)
- (let* ((shell shell-file-name)
- (csh (equal (file-name-nondirectory shell) "csh")))
- (call-process shell nil t t "-cf" (concat "exec " command))))
-
- (defun m2-visit ()
- (interactive)
- (let ((deffile nil)
- (modfile nil)
- modulename)
- (save-excursion
- (setq modulename
- (read-string "Module name: "))
- (switch-to-buffer "*Command Execution*")
- (execute-monitor-command (concat "m2whereis " modulename))
- (goto-char (point-min))
- (condition-case ()
- (progn (re-search-forward "\\(.*\\.def\\) *$")
- (setq deffile (buffer-substring (match-beginning 1)
- (match-end 1))))
- (search-failed ()))
- (condition-case ()
- (progn (re-search-forward "\\(.*\\.mod\\) *$")
- (setq modfile (buffer-substring (match-beginning 1)
- (match-end 1))))
- (search-failed ()))
- (if (not (or deffile modfile))
- (error "I can find neither definition nor implementation of %s"
- modulename)))
- (cond (deffile
- (find-file deffile)
- (if modfile
- (save-excursion
- (find-file modfile))))
- (modfile
- (find-file modfile)))))
-
- (defun m2-toggle ()
- "Toggle between .mod and .def files for the module."
- (interactive)
- (cond ((string-equal (substring (buffer-name) -4) ".def")
- (find-file-other-window
- (concat (substring (buffer-name) 0 -4) ".mod")))
- ((string-equal (substring (buffer-name) -4) ".mod")
- (find-file-other-window
- (concat (substring (buffer-name) 0 -4) ".def")))
- ((string-equal (substring (buffer-name) -3) ".mi")
- (find-file-other-window
- (concat (substring (buffer-name) 0 -3) ".md")))
- ((string-equal (substring (buffer-name) -3) ".md")
- (find-file-other-window
- (concat (substring (buffer-name) 0 -3) ".mi")))))
-