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openscad/contrib/scad-mode.el

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;;; scad-mode.el --- A major mode for editing OpenSCAD code
;; Author: Len Trigg, Łukasz Stelmach
;; Maintainer: Len Trigg <lenbok@gmail.com>
;; Created: March 2010
;; Modified: 28 Mar 2015
;; Keywords: languages
;; URL: https://raw.github.com/openscad/openscad/master/contrib/scad-mode.el
;; Version: 91.0
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;;
;; This is a major-mode to implement the SCAD constructs and
;; font-locking for OpenSCAD
;;
;; If installing manually, insert the following into your emacs startup:
;;
;; (autoload 'scad-mode "scad-mode" "A major mode for editing OpenSCAD code." t)
;; (add-to-list 'auto-mode-alist '("\\.scad$" . scad-mode))
;;
;; or
;;
;; install from marmalade: http://marmalade-repo.org/
;; M-x install-package <ENTER> scad-mode <ENTER>
;;; To Do:
;; - Support for background/debug/root/disable modifiers
;; - Font lock of non-built-in function calls
;;; Code:
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.scad$" . scad-mode))
(require 'cc-mode)
(defcustom scad-command
'"openscad"
"Path to openscad executable"
:type 'string
)
(defcustom scad-keywords
'("return" "true" "false")
"SCAD keywords."
:type 'list
:group 'scad-font-lock)
(defcustom scad-functions
'("cos" "acos" "sin" "asin" "tan" "atan" "atan2" ;;func.cc
"abs" "sign" "rands" "min" "max"
"round" "ceil" "floor"
"pow" "sqrt" "exp" "log" "ln"
"str"
"lookup" "version" "version_num" "len" "search"
"dxf_dim" "dxf_cross" ;;dxfdim.cc
"norm" "cross" ;;2014.03
"concat" "chr" ;;2015.03
)
"SCAD functions."
:type 'list
:group 'scad-font-lock)
(defcustom scad-modules
'("children" "echo" "for" "intersection_for" "if" "else" ;;control.cc
"cube" "sphere" "cylinder" "polyhedron" "square" "circle" "polygon" ;;primitives.cc
"scale" "rotate" "translate" "mirror" "multmatrix" ;;transform.cc
"union" "difference" "intersection" ;;csgops.cc
"render" ;;render.cc
"color" ;;color.cc
"surface" ;;surface.cc
"linear_extrude" ;;linearextrude.cc
"rotate_extrude" ;;rotateextrude.cc
"import" ;;import.cc
"group" ;;builtin.cc
"projection" ;;projection.cc
"minkowski" "glide" "subdiv" "hull" "resize" ;;cgaladv.cc
"parent_module" ;;2014.03
"let" "offset" "text" ;;2015.03
)
"SCAD modules."
:type 'list
:group 'scad-font-lock)
(defcustom scad-deprecated
'("child" "assign" "dxf_linear_extrude" "dxf_rotate_extrude"
"import_stl" "import_off" "import_dxf")
"SCAD deprecated modules and functions."
:type 'list
:group 'scad-font-lock)
(defcustom scad-operators
'("+" "-" "*" "/" "%"
"&&" "||" "!"
"<" "<=" "==" "!=" ">" ">="
"?" ":" "=")
"SCAD operators."
:type 'list
:group 'scad-font-lock)
(defvar scad-mode-map
(let ((map (make-sparse-keymap)))
(define-key map [(control c) (control o)] 'scad-open-current-buffer)
(define-key map [return] 'newline-and-indent)
;;(define-key map [(control c) (control s)] 'c-show-syntactic-information) ;; Debugging info
map)
"Keymap for `scad-mode'.")
(defvar scad-mode-syntax-table
(let ((st (make-syntax-table)))
;; support comment style: “// ...”
;; support comment style: “/* ... */”
(modify-syntax-entry ?\/ ". 124b" st)
(modify-syntax-entry ?\n "> b" st)
(modify-syntax-entry ?* ". 23" st)
;; Extra punctuation
(modify-syntax-entry ?+ "." st)
(modify-syntax-entry ?- "." st)
(modify-syntax-entry ?% "." st)
(modify-syntax-entry ?< "." st)
(modify-syntax-entry ?> "." st)
(modify-syntax-entry ?& "." st)
(modify-syntax-entry ?: "." st)
(modify-syntax-entry ?| "." st)
(modify-syntax-entry ?= "." st)
(modify-syntax-entry ?\; "." st)
;; _ allowed in word (alternatively "_" as symbol constituent?)
(modify-syntax-entry ?_ "w" st)
st)
"Syntax table for `scad-mode'.")
(defvar scad-keywords-regexp (regexp-opt scad-keywords 'words))
(defvar scad-modules-regexp (regexp-opt scad-modules 'words))
(defvar scad-functions-regexp (regexp-opt scad-functions 'words))
(defvar scad-deprecated-regexp (regexp-opt scad-deprecated 'words))
(defvar scad-operators-regexp (regexp-opt scad-operators))
(defvar scad-font-lock-keywords
`(
("\\(module\\|function\\)[ \t]+\\(\\sw+\\)" (1 'font-lock-keyword-face nil) (2 'font-lock-function-name-face nil t))
("\\(use\\|include\\)[ \t]*<\\([^>]+\\)>" (1 'font-lock-preprocessor-face nil) (2 'font-lock-type-face nil t))
("<\\(\\sw+\\)>" (1 'font-lock-builtin-face nil))
("$\\(\\sw+\\)" (1 'font-lock-builtin-face nil))
(,scad-keywords-regexp . font-lock-keyword-face)
(,scad-modules-regexp . font-lock-builtin-face)
(,scad-functions-regexp . font-lock-function-name-face)
(,scad-deprecated-regexp . font-lock-warning-face)
;(,scad-operators-regexp . font-lock-operator-face) ;; This actually looks pretty ugly
;("\\(\\<\\S +\\>\\)\\s *(" 1 font-lock-function-name-face t) ;; Seems to override other stuff (e.g. in comments and builtins)
)
"Keyword highlighting specification for `scad-mode'.")
(defconst scad-font-lock-keywords-1 scad-font-lock-keywords)
(defconst scad-font-lock-keywords-2 scad-font-lock-keywords)
(defconst scad-font-lock-keywords-3 scad-font-lock-keywords)
(defvar scad-indent-style nil
"The style of indentation for scad-mode. Defaults to \"k&r\" if
nil. If you want to set the style with file local variables use
the `c-file-style' variable")
(put 'scad-mode 'c-mode-prefix "scad-")
;;;###autoload
(define-derived-mode scad-mode prog-mode "SCAD"
"Major mode for editing OpenSCAD code.
To see what version of CC Mode you are running, enter `\\[c-version]'.
The hook `c-mode-common-hook' is run with no args at mode
initialization, then `scad-mode-hook'.
Key bindings:
\\{scad-mode-map}"
(c-initialize-cc-mode)
;; (setq local-abbrev-table scad-mode-abbrev-table
;; abbrev-mode t)
(use-local-map scad-mode-map)
(c-set-offset (quote cpp-macro) 0 nil)
(c-basic-common-init 'scad-mode (or scad-indent-style "k&r"))
(c-font-lock-init)
(c-run-mode-hooks 'c-mode-common-hook 'scad-mode-hook)
(c-update-modeline))
;; From: http://stackoverflow.com/questions/14520073/add-words-for-dynamic-expansion-to-emacs-mode
(defun scad-prime-dabbrev ()
"Makes a hidden scad-mode buffer containing all the scad keywords, so dabbrev expansion just works."
(unless (get-buffer " *scad words*")
(with-current-buffer (get-buffer-create " *scad words*")
(scad-mode)
(insert "module function use include") ; Explicitly add these -- they're not in the below vars
(insert (mapconcat 'identity (append scad-keywords scad-functions scad-modules scad-deprecated) " ")))))
(add-hook 'scad-mode-hook 'scad-prime-dabbrev)
(defun scad-open-current-buffer ()
(interactive)
(call-process scad-command nil 0 nil (buffer-file-name)))
(provide 'scad)
;;; scad-mode.el ends here
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