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- ; Ada editing support package in GNUlisp. v1.0
- ; Author: Vincent Broman <broman@bugs.nosc.mil> May 1987.
- ; (borrows heavily from Mick Jordan's Modula-2 package for GNU,
- ; as modified by Peter Robinson, Michael Schmidt, and Tom Perrine.)
-
-
- (setq auto-mode-alist (cons (cons "\\.ada$" 'ada-mode) auto-mode-alist))
-
- (defvar ada-mode-syntax-table nil
- "Syntax table in use in Ada-mode buffers.")
-
- (let ((table (make-syntax-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)
- (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)
- (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)
- (modify-syntax-entry ?\; "." table)
- (modify-syntax-entry ?\' "." table)
- (modify-syntax-entry ?\" "\"" table)
- (setq ada-mode-syntax-table table))
-
- (defvar ada-mode-map nil
- "Keymap used in Ada mode.")
-
- (let ((map (make-sparse-keymap)))
- (define-key map "\C-m" 'ada-newline)
- (define-key map "\C-?" 'backward-delete-char-untabify)
- (define-key map "\C-i" 'ada-tab)
- (define-key map "\C-c\C-i" 'ada-untab)
- (define-key map "\C-c<" 'ada-backward-to-same-indent)
- (define-key map "\C-c>" 'ada-forward-to-same-indent)
- (define-key map "\C-ch" 'ada-header)
- (define-key map "\C-c(" 'ada-paired-parens)
- (define-key map "\C-c-" 'ada-inline-comment)
- (define-key map "\C-c\C-a" 'ada-array)
- (define-key map "\C-cb" 'ada-exception-block)
- (define-key map "\C-cd" 'ada-declare-block)
- (define-key map "\C-c\C-e" 'ada-exception)
- (define-key map "\C-cc" 'ada-case)
- (define-key map "\C-c\C-k" 'ada-package-spec)
- (define-key map "\C-ck" 'ada-package-body)
- (define-key map "\C-c\C-p" 'ada-procedure-spec)
- (define-key map "\C-cp" 'ada-subprogram-body)
- (define-key map "\C-c\C-f" 'ada-function-spec)
- (define-key map "\C-cf" 'ada-for-loop)
- (define-key map "\C-cl" 'ada-loop)
- (define-key map "\C-ci" 'ada-if)
- (define-key map "\C-cI" 'ada-elsif)
- (define-key map "\C-ce" 'ada-else)
- (define-key map "\C-c\C-v" 'ada-private)
- (define-key map "\C-c\C-r" 'ada-record)
- (define-key map "\C-c\C-s" 'ada-subtype)
- (define-key map "\C-cs" 'ada-separate)
- (define-key map "\C-c\C-t" 'ada-type)
- (define-key map "\C-ct" 'ada-tabsize)
- ;; (define-key map "\C-c\C-u" 'ada-use)
- ;; (define-key map "\C-c\C-w" 'ada-with)
- (define-key map "\C-cw" 'ada-while-loop)
- (define-key map "\C-c\C-w" 'ada-when)
- (define-key map "\C-cx" 'ada-exit)
- (define-key map "\C-cC" 'ada-compile)
- (define-key map "\C-cB" 'ada-bind)
- (define-key map "\C-cE" 'ada-find-listing)
- (define-key map "\C-cL" 'ada-library-name)
- (define-key map "\C-cO" 'ada-options-for-bind)
- (setq ada-mode-map map))
-
- (defvar ada-indent 4 "*Value is the number of columns to indent in Ada-Mode.")
-
- (defun ada-mode ()
- "This is a mode intended to support program development in Ada.
- Most control constructs and declarations of Ada can be inserted in the buffer
- by typing Control-C followed by a character mnemonic for the construct.
-
- C-c C-a array C-c b exception block
- C-c C-e exception C-c d declare block
- C-c C-k package spec C-c k package body
- C-c C-p procedure spec C-c p proc/func body
- C-c C-f func spec C-c f for loop
- C-c i if
- C-c I elsif
- C-c e else
- C-c C-v private C-c l loop
- C-c C-r record C-c c case
- C-c C-s subtype C-c s separate
- C-c C-t type C-c t tab spacing for indents
- C-c C-w when C-c w while
- C-c x exit
- C-c ( paired parens C-c - inline comment
- C-c h header sec
- C-c C compile C-c B bind
- C-c E find error list
- C-c L name library C-c O options for bind
-
- C-c < and C-c > move backward and forward respectively to the next line
- having the same (or lesser) level of indentation.
-
- Variable ada-indent controls the number of spaces for indent/undent.
-
- \\{ada-mode-map}
- "
- (interactive)
- (kill-all-local-variables)
- (use-local-map ada-mode-map)
- (setq major-mode 'ada-mode)
- (setq mode-name "Ada")
- (make-local-variable 'comment-column)
- (setq comment-column 41)
- (make-local-variable 'end-comment-column)
- (setq end-comment-column 72)
- (set-syntax-table ada-mode-syntax-table)
- (make-local-variable 'paragraph-start)
- (setq paragraph-start (concat "^$\\|" page-delimiter))
- (make-local-variable 'paragraph-separate)
- (setq paragraph-separate paragraph-start)
- (make-local-variable 'paragraph-ignore-fill-prefix)
- (setq paragraph-ignore-fill-prefix t)
- ; (make-local-variable 'indent-line-function)
- ; (setq indent-line-function 'c-indent-line)
- (make-local-variable 'require-final-newline)
- (setq require-final-newline t)
- (make-local-variable 'comment-start)
- (setq comment-start "--")
- (make-local-variable 'comment-end)
- (setq comment-end "\n")
- (make-local-variable 'comment-column)
- (setq comment-column 41)
- (make-local-variable 'comment-start-skip)
- (setq comment-start-skip "--+ *")
- (make-local-variable 'comment-indent-hook)
- (setq comment-indent-hook 'c-comment-indent)
- (make-local-variable 'parse-sexp-ignore-comments)
- (setq parse-sexp-ignore-comments t)
- (run-hooks 'ada-mode-hook))
-
- (defun ada-tabsize (s)
- "changes spacing used for indentation. Reads spacing from minibuffer."
- (interactive "nnew indentation spacing: ")
- (setq ada-indent s))
-
- (defun ada-newline ()
- "Start new line and indent to current tab stop."
- (interactive)
- (let ((ada-cc (current-indentation)))
- (newline)
- (indent-to ada-cc)))
-
- (defun ada-tab ()
- "Indent to next tab stop."
- (interactive)
- (indent-to (* (1+ (/ (current-indentation) ada-indent)) ada-indent)))
-
- (defun ada-untab ()
- "Delete backwards to previous tab stop."
- (interactive)
- (backward-delete-char-untabify ada-indent nil))
-
- (defun ada-go-to-this-indent (step indent-level)
- "Move point repeatedly by <step> lines till the current line
- has given indent-level or less, or the start/end of the buffer is hit.
- Ignore blank lines, statement labels, block/loop names."
- (while (and
- (zerop (forward-line step))
- (or (looking-at "^[ ]*$")
- (looking-at "^[ ]*--")
- (looking-at "^<<[A-Za-z0-9_]+>>")
- (looking-at "^[A-Za-z0-9_]+:")
- (> (current-indentation) indent-level)))
- nil))
-
- (defun ada-backward-to-same-indent ()
- "Move point backwards to nearest line with same indentation or less.
- If not found, point is left at top of buffer."
- (interactive)
- (ada-go-to-this-indent -1 (current-indentation))
- (back-to-indentation))
-
- (defun ada-forward-to-same-indent ()
- "Move point forwards to nearest line with same indentation or less.
- If not found, point is left at start of last line in buffer."
- (interactive)
- (ada-go-to-this-indent 1 (current-indentation))
- (back-to-indentation))
-
- (defun ada-array ()
- "Insert array type definition, prompting for component type,
- leaving the user to type in the index subtypes."
- (interactive)
- (insert "array ()")
- (backward-char)
- (insert (read-string "index subtype[s]: "))
- (end-of-line)
- (insert " of ;")
- (backward-char)
- (insert (read-string "component-type: "))
- (end-of-line))
-
- (defun ada-case ()
- "Build skeleton case statment, prompting for the selector expression.
- starts up the first when clause, too."
- (interactive)
- (insert "case ")
- (insert (read-string "selector expression: ") " is")
- (ada-newline)
- (ada-newline)
- (insert "end case;")
- (end-of-line 0)
- (ada-tab)
- (ada-tab)
- (ada-when))
-
- (defun ada-declare-block ()
- "Insert a block with a declare part and indent for the 1st declaration."
- (interactive)
- (let ((ada-block-name (read-string "[block name]: ")))
- (insert "declare")
- (cond
- ( (not (string-equal ada-block-name ""))
- (beginning-of-line)
- (open-line 1)
- (insert ada-block-name ":")
- (next-line 1)
- (end-of-line)))
- (ada-newline)
- (ada-newline)
- (insert "begin")
- (ada-newline)
- (ada-newline)
- (if (string-equal ada-block-name "")
- (insert "end;")
- (insert "end " ada-block-name ";"))
- )
- (end-of-line -2)
- (ada-tab))
-
- (defun ada-exception-block ()
- "Insert a block with an exception part and indent for the 1st line of code."
- (interactive)
- (let ((block-name (read-string "[block name]: ")))
- (insert "begin")
- (cond
- ( (not (string-equal block-name ""))
- (beginning-of-line)
- (open-line 1)
- (insert block-name ":")
- (next-line 1)
- (end-of-line)))
- (ada-newline)
- (ada-newline)
- (insert "exception")
- (ada-newline)
- (ada-newline)
- (cond
- ( (string-equal block-name "")
- (insert "end;"))
- ( t
- (insert "end " block-name ";")))
- )
- (end-of-line -2)
- (ada-tab))
-
- (defun ada-exception ()
- "Undent and insert an exception part into a block. Reindent."
- (interactive)
- (ada-untab)
- (insert "exception")
- (ada-newline)
- (ada-tab))
-
- (defun ada-else ()
- "Add an else clause inside an if-then-end-if clause."
- (interactive)
- (ada-untab)
- (insert "else")
- (ada-newline)
- (ada-tab))
-
- (defun ada-exit ()
- "Insert an exit statement, prompting for loop name and condition."
- (interactive)
- (insert "exit")
- (let ((ada-loop-name (read-string "[name of loop to exit]: ")))
- (if (not (string-equal ada-loop-name "")) (insert " " ada-loop-name)))
- (let ((ada-exit-condition (read-string "[exit condition]: ")))
- (if (not (string-equal ada-exit-condition ""))
- (if (string-match "^ *[Ww][Hh][Ee][Nn] +" ada-exit-condition)
- (insert " " ada-exit-condition)
- (insert " when " ada-exit-condition))))
- (insert ";"))
-
- (defun ada-when ()
- "Start a case statement alternative with a when clause."
- (interactive)
- (ada-untab) ; we were indented in code for the last alternative.
- (insert "when ")
- (insert (read-string "'|'-delimited choice list: ") " =>")
- (ada-newline)
- (ada-tab))
-
- (defun ada-for-loop ()
- "Build a skeleton for-loop statement, prompting for the loop parameters."
- (interactive)
- (insert "for ")
- (let* ((ada-loop-name (read-string "[loop name]: "))
- (ada-loop-is-named (not (string-equal ada-loop-name ""))))
- (if ada-loop-is-named
- (progn
- (beginning-of-line)
- (open-line 1)
- (insert ada-loop-name ":")
- (next-line 1)
- (end-of-line 1)))
- (insert (read-string "loop variable: ") " in ")
- (insert (read-string "range: ") " loop")
- (ada-newline)
- (ada-newline)
- (insert "end loop")
- (if ada-loop-is-named (insert " " ada-loop-name))
- (insert ";"))
- (end-of-line 0)
- (ada-tab))
-
- (defun ada-header ()
- "Insert a comment block containing the module title, author, etc."
- (interactive)
- (insert "--\n-- Title: \t")
- (insert (read-string "Title: "))
- (insert "\n-- Created:\t" (current-time-string))
- (insert "\n-- Author: \t" (user-full-name))
- (insert "\n--\t\t<" (user-login-name) "@" (system-name) ">\n--\n"))
-
- (defun ada-if ()
- "Insert skeleton if statment, prompting for a boolean-expression."
- (interactive)
- (insert "if ")
- (insert (read-string "condition: ") " then")
- (ada-newline)
- (ada-newline)
- (insert "end if;")
- (end-of-line 0)
- (ada-tab))
-
- (defun ada-elsif ()
- "Add an elsif clause to an if statement, prompting for the boolean-expression."
- (interactive)
- (ada-untab)
- (insert "elsif ")
- (insert (read-string "condition: ") " then")
- (ada-newline)
- (ada-tab))
-
- (defun ada-loop ()
- "insert a skeleton loop statement. exit statement added by hand."
- (interactive)
- (insert "loop ")
- (let* ((ada-loop-name (read-string "[loop name]: "))
- (ada-loop-is-named (not (string-equal ada-loop-name ""))))
- (if ada-loop-is-named
- (progn
- (beginning-of-line)
- (open-line 1)
- (insert ada-loop-name ":")
- (forward-line 1)
- (end-of-line 1)))
- (ada-newline)
- (ada-newline)
- (insert "end loop")
- (if ada-loop-is-named (insert " " ada-loop-name))
- (insert ";"))
- (end-of-line 0)
- (ada-tab))
-
- (defun ada-package-spec ()
- "Insert a skeleton package specification."
- (interactive)
- (insert "package ")
- (let ((ada-package-name (read-string "package name: " )))
- (insert ada-package-name " is")
- (ada-newline)
- (ada-newline)
- (insert "end " ada-package-name ";")
- (end-of-line 0)
- (ada-tab)))
-
- (defun ada-package-body ()
- "Insert a skeleton package body -- includes a begin statement."
- (interactive)
- (insert "package body ")
- (let ((ada-package-name (read-string "package name: " )))
- (insert ada-package-name " is")
- (ada-newline)
- (ada-newline)
- (insert "begin")
- (ada-newline)
- (insert "end " ada-package-name ";")
- (end-of-line -1)
- (ada-tab)))
-
- (defun ada-private ()
- "Undent and start a private section of a package spec. Reindent."
- (interactive)
- (ada-untab)
- (insert "private")
- (ada-newline)
- (ada-tab))
-
- (defun ada-get-arg-list ()
- "Read from user a procedure or function argument list.
- Add parens unless arguments absent, and insert into buffer.
- Individual arguments are arranged vertically if entered one-at-a-time.
- Arguments ending with ';' are presumed single and stacked."
- (insert " (")
- (let ((ada-arg-indent (current-column))
- (ada-args (read-string "[arguments]: ")))
- (if (string-equal ada-args "")
- (backward-delete-char 2)
- (progn
- (while (string-match ";$" ada-args)
- (insert ada-args)
- (newline)
- (indent-to ada-arg-indent)
- (setq ada-args (read-string "next argument: ")))
- (insert ada-args ")")))))
-
- (defun ada-function-spec ()
- "Insert a function specification. Prompts for name and arguments."
- (interactive)
- (insert "function ")
- (insert (read-string "function name: "))
- (ada-get-arg-list)
- (insert " return ")
- (insert (read-string "result type: ")))
-
- (defun ada-procedure-spec ()
- "Insert a procedure specification, prompting for its name and arguments."
- (interactive)
- (insert "procedure ")
- (insert (read-string "procedure name: " ))
- (ada-get-arg-list))
-
- (defun get-ada-subprogram-name ()
- "Return (without moving point or mark) a pair whose CAR is
- the name of the function or procedure whose spec immediately precedes point,
- and whose CDR is the column nbr the procedure/function keyword was found at."
- (save-excursion
- (let ((ada-proc-indent 0))
- (if (re-search-backward
- ;;;; Unfortunately, comments are not ignored in this string search.
- "[PpFf][RrUu][OoNn][Cc][EeTt][DdIi][UuOo][RrNn]" nil t)
- (if (or (looking-at "\\<[Pp][Rr][Oo][Cc][Ee][Dd][Uu][Rr][Ee]\\>")
- (looking-at "\\<[Ff][Uu][Nn][Cc][Tt][Ii][Oo][Nn]\\>"))
- (progn
- (setq ada-proc-indent (current-column))
- (forward-word 2)
- (let ((p2 (point)))
- (forward-word -1)
- (cons (buffer-substring (point) p2) ada-proc-indent)))
- (get-ada-subprogram-name))
- (cons "NAME?" ada-proc-indent)))))
-
- (defun ada-subprogram-body ()
- "Insert frame for subprogram body.
- Invoke right after ada-function-spec or ada-procedure-spec."
- (interactive)
- (insert " is")
- (let ((ada-subprogram-name-col (get-ada-subprogram-name)))
- (newline)
- (indent-to (cdr ada-subprogram-name-col))
- (ada-newline)
- (insert "begin")
- (ada-newline)
- (ada-newline)
- (insert "end " (car ada-subprogram-name-col) ";"))
- (end-of-line -2)
- (ada-tab))
-
- (defun ada-separate ()
- "Finish a body stub with 'is separate'."
- (interactive)
- (insert " is")
- (ada-newline)
- (ada-tab)
- (insert "separate;")
- (ada-newline)
- (ada-untab))
-
- ;(defun ada-with ()
- ; "Inserts a with clause, prompting for the list of units depended upon."
- ; (interactive)
- ; (insert "with ")
- ; (insert (read-string "list of units depended upon: ") ";"))
- ;
- ;(defun ada-use ()
- ; "Inserts a use clause, prompting for the list of packages used."
- ; (interactive)
- ; (insert "use ")
- ; (insert (read-string "list of packages to use: ") ";"))
-
- (defun ada-record ()
- "Insert a skeleton record type declaration."
- (interactive)
- (insert "record")
- (ada-newline)
- (ada-newline)
- (insert "end record;")
- (end-of-line 0)
- (ada-tab))
-
- (defun ada-subtype ()
- "Start insertion of a subtype declaration, prompting for the subtype name."
- (interactive)
- (insert "subtype " (read-string "subtype name: ") " is ;")
- (backward-char)
- (message "insert subtype indication."))
-
- (defun ada-type ()
- "Start insertion of a type declaration, prompting for the type name."
- (interactive)
- (insert "type " (read-string "type name: "))
- (let ((disc-part (read-string "discriminant specs: ")))
- (if (not (string-equal disc-part ""))
- (insert "(" disc-part ")")))
- (insert " is ")
- (message "insert type definition."))
-
- (defun ada-while-loop ()
- (interactive)
- (insert "while ")
- (let* ((ada-loop-name (read-string "loop name: "))
- (ada-loop-is-named (not (string-equal ada-loop-name ""))))
- (if ada-loop-is-named
- (progn
- (beginning-of-line)
- (open-line 1)
- (insert ada-loop-name ":")
- (next-line 1)
- (end-of-line 1)))
- (insert (read-string "entry condition: ") " loop")
- (ada-newline)
- (ada-newline)
- (insert "end loop")
- (if ada-loop-is-named (insert " " ada-loop-name))
- (insert ";"))
- (end-of-line 0)
- (ada-tab))
-
- (defun ada-paired-parens ()
- "Insert a pair of round parentheses, placing point between them."
- (interactive)
- (insert "()")
- (backward-char))
-
- (defun ada-inline-comment ()
- "Start a comment after the end of the line, indented at least COMMENT-COLUMN.
- If starting after END-COMMENT-COLUMN, start a new line."
- (interactive)
- (end-of-line)
- (if (> (current-column) end-comment-column) (newline))
- (if (< (current-column) comment-column) (indent-to comment-column))
- (insert " -- "))
-
- (defun ada-display-comment ()
- "Inserts 3 comment lines, making a display comment."
- (interactive)
- (insert "--\n-- \n--")
- (end-of-line 0))
-
- ;; Much of this is specific to Ada-Ed
-
- (defvar ada-lib-dir-name "lib" "*Current ada program library directory.")
- (defvar ada-bind-opts "" "*Options to supply for binding.")
-
- (defun ada-library-name (ada-lib-name)
- "Specify name of ada library directory for later compilations."
- (interactive "Dname of ada library directory: ")
- (setq ada-lib-dir-name ada-lib-name))
-
- (defun ada-options-for-bind ()
- "Specify options, such as -m and -i, needed for adabind."
- (setq ada-bind-opts (read-string "-m and -i options for adabind: ")))
-
- (defun ada-compile (ada-prefix-arg)
- "Save the current buffer and compile it into the current program library.
- Initialize the library if a prefix arg is given."
- (interactive "P")
- (let* ((ada-init (if (null ada-prefix-arg) "" "-n "))
- (ada-source-file (buffer-name)))
- (compile
- (concat "adacomp " ada-init "-l " ada-lib-dir-name " " ada-source-file))))
-
- (defun ada-find-listing ()
- "Find listing file for ada source in current buffer, using other window."
- (interactive)
- (find-file-other-window (concat (substring (buffer-name) 0 -4) ".lis"))
- (search-forward "*** ERROR"))
-
- (defun ada-bind ()
- "Bind the current program library, using the current binding options."
- (interactive)
- (compile (concat "adabind " ada-bind-opts " " ada-lib-dir-name)))
-