version 1.31, 1998/12/08 22:02:43
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version 1.47, 2001/03/11 22:50:49
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;; Forth mode for Emacs |
;; Forth mode for Emacs |
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;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
;; Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. |
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;; This file is part of Gforth. |
;; This file is part of Gforth. |
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(defvar forth-positives |
(defvar forth-positives |
" : :noname code interpretation: ;code does> begin do ?do +do -do u+do u-do while if ?dup-if ?dup-0=-if else case of struct [if] [ifdef] [ifundef] [else] with public: private: class " |
" : :noname m: :m code interpretation: ;code does> begin do ?do +do -do u+do u-do while if ?dup-if ?dup-0=-if else case of struct [if] [ifdef] [ifundef] [else] with public: private: class try recover " |
"Contains all words which will cause the indent-level to be incremented |
"*Contains all words which will cause the indent-level to be incremented |
on the next line. |
on the next line. |
OBS! All words in forth-positives must be surrounded by spaces.") |
OBS! All words in forth-positives must be surrounded by spaces.") |
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(defvar forth-negatives |
(defvar forth-negatives |
" ; end-code ;code does> until repeat while +loop loop -loop s+loop else then endif again endcase endof end-struct [then] [else] [endif] endwith class; how: " |
" ; ;m end-code ;code does> until repeat while +loop loop -loop s+loop else then endif again endcase endof end-struct [then] [else] [endif] endwith end-class class; how: recover endtry " |
"Contains all words which will cause the indent-level to be decremented |
"*Contains all words which will cause the indent-level to be decremented |
on the current line. |
on the current line. |
OBS! All words in forth-negatives must be surrounded by spaces.") |
OBS! All words in forth-negatives must be surrounded by spaces.") |
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(defvar forth-zeroes |
(defvar forth-zeroes |
" : :noname code interpretation: public: private: how: implements class class; " |
" : :noname code interpretation: public: private: how: implements class class; " |
"Contains all words which causes the indent to go to zero") |
"*Contains all words which causes the indent to go to zero") |
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(setq forth-zero 0) |
(setq forth-zero 0) |
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Line 92 OBS! All words in forth-negatives must b
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(define-key forth-mode-map "\M-q" 'forth-fill-paragraph) |
(define-key forth-mode-map "\M-q" 'forth-fill-paragraph) |
(define-key forth-mode-map "\e." 'forth-find-tag) |
(define-key forth-mode-map "\e." 'forth-find-tag) |
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;setup for C-h C-i to work |
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(if (fboundp 'info-lookup-add-help) |
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(info-lookup-add-help |
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:topic 'symbol |
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:mode 'forth-mode |
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:regexp "[^ |
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]+" |
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:ignore-case t |
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:doc-spec '(("(gforth)Name Index" nil "`" "' ")))) |
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(load "etags") |
(load "etags") |
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(defun forth-find-tag (tagname &optional next-p regexp-p) |
(defun forth-find-tag (tagname &optional next-p regexp-p) |
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(defvar forth-mode-syntax-table nil |
(defvar forth-mode-syntax-table nil |
"Syntax table in use in Forth-mode buffers.") |
"Syntax table in use in Forth-mode buffers.") |
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(if (not forth-mode-syntax-table) |
(if t;; (not forth-mode-syntax-table) |
(progn |
(progn |
(setq forth-mode-syntax-table (make-syntax-table)) |
(setq forth-mode-syntax-table (make-syntax-table)) |
(let ((char 0)) |
(let ((char 0)) |
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(modify-syntax-entry char "w" forth-mode-syntax-table) |
(modify-syntax-entry char "w" forth-mode-syntax-table) |
(setq char (1+ char)))) |
(setq char (1+ char)))) |
(modify-syntax-entry ?\" "\"" forth-mode-syntax-table) |
(modify-syntax-entry ?\" "\"" forth-mode-syntax-table) |
(modify-syntax-entry ?\\ "<" forth-mode-syntax-table) |
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(modify-syntax-entry ?\n ">" forth-mode-syntax-table) |
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)) |
)) |
;I do not define '(' and ')' as comment delimiters, because emacs |
;I do not define '(' and ')' as comment delimiters, because emacs |
;only supports one comment syntax (and a hack to accomodate C++); I |
;only supports one comment syntax (and a hack to accomodate C++); I |
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;same character. we could use ' ' as first and '(' and '\' as second |
;same character. we could use ' ' as first and '(' and '\' as second |
;character. However this would fail for G\ comments. |
;character. However this would fail for G\ comments. |
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;comment handling has been moved to syntactic font lock (david) |
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(defconst forth-indent-level 4 |
(defconst forth-indent-level 4 |
"Indentation of Forth statements.") |
"Indentation of Forth statements.") |
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(make-local-variable 'comment-indent-hook) |
(make-local-variable 'comment-indent-hook) |
(setq comment-indent-hook 'forth-comment-indent) |
(setq comment-indent-hook 'forth-comment-indent) |
(make-local-variable 'parse-sexp-ignore-comments) |
(make-local-variable 'parse-sexp-ignore-comments) |
(setq parse-sexp-ignore-comments t)) |
(setq parse-sexp-ignore-comments t) |
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(make-local-variable 'font-lock-defaults) |
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(setq font-lock-defaults '(forth-font-lock-keywords nil t nil nil |
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(font-lock-syntactic-keywords . forth-font-lock-syntactic-keywords))) |
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; (make-local-variable 'font-lock-syntactic-keywords) |
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; (setq font-lock-syntactic-keywords 'forth-font-lock-syntactic-keywords) |
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) |
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;;;###autoload |
;;;###autoload |
(defun forth-mode () |
(defun forth-mode () |
Line 231 Variables controling documentation searc
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Line 248 Variables controling documentation searc
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; (run-forth forth-program-name)) |
; (run-forth forth-program-name)) |
(run-hooks 'forth-mode-hook)) |
(run-hooks 'forth-mode-hook)) |
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(setq forth-mode-hook |
(add-hook 'forth-mode-hook |
'(lambda () |
'(lambda () |
(make-local-variable 'compile-command) |
(make-local-variable 'compile-command) |
(setq compile-command "gforth "))) |
(setq compile-command "gforth "))) |
Line 980 The region is sent terminated by a newli
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Line 997 The region is sent terminated by a newli
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; (define-key global-map '(shift button3) 'mouse-function-menu) |
; (define-key global-map '(shift button3) 'mouse-function-menu) |
)) |
)) |
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;; end |
;;; Font lock code (david <dvdkhlng@gmx.de>) |
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;;; |
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;;; note that words which contain a closing paren, which have the comment-ender |
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;;; syntactic class, won't be matched by `\w+' and `\<' and `\>' won't work |
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;;; either; solution: use of `\S-' and `\s-' where necessary |
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;;; |
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(defvar forth-bracket-keyword nil) |
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(defvar forth-syntactic-keywords nil) |
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(defvar forth-variable-defining-words nil) |
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(defvar forth-function-defining-words nil) |
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(defvar forth-function-parsing-words nil) |
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(defvar forth-variable-parsing-words nil) |
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(defvar forth-word-string-parsing-words nil) |
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(defvar forth-type-defining-words nil) |
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(defvar forth-font-lock-keywords nil) |
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(setq forth-bracket-keywords |
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'("[if]" "[ifdef]" "[ifundef]" "[else]" "[then]" "[?do]" "[do]" "[for]" |
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"[loop]" "[+loop]" "[next]" "[begin]" "[until]" "[again]" "[while]" |
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"[repeat]")) |
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(setq forth-syntactic-keywords |
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'("if" "else" "then" "case" "endcase" "of" "endof" "begin" "while" |
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"repeat" "until" "again" "does>" "?do" "do" "+loop" "unloop" "loop" |
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"exit" "u+do" "-do" "u-do" "-loop" "u+do" "for" "next" "cs-roll" |
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"cs-pick" "recurse" "?dup-if" "?dup-0=-if" "leave" "?leave" "done" |
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";" ":noname" "immediate" "restrict" "compile-only" "interpretation>" |
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"<interpretation" "compilation>" "<compilation" ";code" "end-code" |
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"ahead" "struct")) |
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(setq forth-variable-defining-words |
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'("variable" "constant" "value" "2variable" "2constant" "2value" |
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"fvariable" "fconstant" "field" "w:" "d:" "c:" "f:")) |
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(setq forth-function-defining-words |
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'(":" "defer" "alias" "interpret/compile" "code")) |
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(setq forth-function-parsing-words |
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'("postpone" "'" "[']" "[IS]" "IS" "<IS>")) |
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(setq forth-variable-parsing-words |
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'("[TO]" "TO" "<TO>")) |
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(setq forth-word-string-parsing-words |
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'("[CHAR]" "CHAR" "include" "require" "needs")) |
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(setq forth-type-defining-words |
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'("end-struct")) |
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(defun forth-make-words-regexp (word-list) |
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(concat "\\<" (regexp-opt word-list t) "\\>")) |
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(defun forth-make-parsing-words-regexp (word-list) |
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(concat "\\<" (regexp-opt word-list t) "\\s-+\\(\\S-+\\)")) |
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(defun forth-make-parsing-words-matcher (word-list word-face parsed-face) |
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(let ((regexp (forth-make-parsing-words-regexp word-list))) |
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(list regexp (list 1 word-face) |
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(list (regexp-opt-depth regexp) parsed-face)) |
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)) |
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(setq forth-font-lock-keywords |
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(list |
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(forth-make-parsing-words-matcher forth-function-defining-words |
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font-lock-keyword-face font-lock-function-name-face) |
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(forth-make-parsing-words-matcher forth-variable-defining-words |
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font-lock-type-face font-lock-variable-name-face) |
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(forth-make-parsing-words-matcher forth-type-defining-words |
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font-lock-keyword-face font-lock-type-face) |
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(forth-make-parsing-words-matcher forth-function-parsing-words |
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font-lock-keyword-face font-lock-function-name-face) |
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(forth-make-parsing-words-matcher forth-variable-parsing-words |
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font-lock-keyword-face font-lock-variable-name-face) |
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(forth-make-parsing-words-matcher forth-word-string-parsing-words |
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font-lock-keyword-face font-lock-string-face) |
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(list (forth-make-words-regexp forth-bracket-keywords) |
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0 font-lock-keyword-face) |
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(list (forth-make-words-regexp forth-syntactic-keywords) |
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0 font-lock-keyword-face) |
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; '("\\<\\({\\)\\(\\([ \t]+-?[^- \t}\n]*\\>\\)*\\)\\([^}\n]*\\)\\(}\\)?" |
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; (1 font-lock-keyword-face) (2 font-lock-variable-name-face) |
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; (4 font-lock-comment-face) (5 font-lock-keyword-face nil t)) |
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'("\\<-?[0-9][0-9a-f]*\\>" . font-lock-constant-face) |
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'("\\<[^ \t\n%]+%" . font-lock-type-face) |
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)) |
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;; Syntactic highlighting is used for getting Forth comments highlighted |
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;; properly: `\' and `\g' comments are handled with a single regular |
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;; expression that parses from `\' to end of line and assigns the |
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;; "comment-fence" generic comment delimiter to the backslash and end-of-line |
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;; characters. |
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;; `( ... )' comments are handled by the usual comment-starter/comment-ender |
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;; syntax classes, with the extension that `(' must be a single word. |
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;; |
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(defvar forth-font-lock-syntactic-keywords nil) |
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(setq forth-font-lock-syntactic-keywords |
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'(("\\<\\(\\(\\\\\\)g?\\)\\>.*\\(\n\\)" (2 (14 . nil)) (3 (14 . nil))) |
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("\\<(\\>" 0 (11 . nil)) |
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(")" 0 (12 . nil)))) |
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;;; End font lock code |
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