emacs/lisp/cedet/semantic/bovine/scm.el

118 lines
4.0 KiB
EmacsLisp

;;; semantic/bovine/scm.el --- Semantic details for Scheme (guile) -*- lexical-binding: t; -*-
;; Copyright (C) 2001-2024 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <zappo@gnu.org>
;; This file is part of GNU Emacs.
;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Use the Semantic Bovinator for Scheme (guile)
(require 'semantic)
(require 'semantic/bovine)
(require 'semantic/bovine/scm-by)
(require 'semantic/format)
(require 'semantic/dep)
;;; Code:
(defcustom-mode-local-semantic-dependency-system-include-path
scheme-mode semantic-default-scheme-path
'("/usr/share/guile/")
"Default set of include paths for scheme (guile) code.
This should probably do some sort of search to see what is
actually on the local machine.")
(define-mode-local-override semantic-format-tag-prototype scheme-mode (tag &optional parent color)
"Return a prototype for the Emacs Lisp nonterminal TAG."
(let* ((tok (semantic-tag-class tag))
(args (semantic-tag-components tag))
)
(if (eq tok 'function)
(concat (semantic-tag-name tag) " ("
(mapconcat (lambda (a) a) args " ")
")")
(semantic-format-tag-prototype-default tag parent color))))
(define-mode-local-override semantic-documentation-for-tag scheme-mode (tag &optional _nosnarf)
"Return the documentation string for TAG.
Optional argument NOSNARF is ignored."
(let ((d (semantic-tag-docstring tag)))
(if (and d (> (length d) 0) (= (aref d 0) ?*))
(substring d 1)
d)))
(define-mode-local-override semantic-insert-foreign-tag scheme-mode (tag _tagfile)
"Insert TAG from TAGFILE at point.
Attempts a simple prototype for calling or using TAG."
(cond ((eq (semantic-tag-class tag) 'function)
(insert "(" (semantic-tag-name tag) " )")
(forward-char -1))
(t
(insert (semantic-tag-name tag)))))
;; Note: Analyzer from Henry S. Thompson
(define-lex-regex-analyzer semantic-lex-scheme-symbol
"Detect and create symbol and keyword tokens."
"\\(\\sw\\|\\s_\\)+"
;; (message "symbol: %s" (match-string 0))
(semantic-lex-push-token
(semantic-lex-token
(or (semantic-lex-keyword-p (match-string 0)) 'symbol)
(match-beginning 0) (match-end 0))))
(define-lex semantic-scheme-lexer
"A simple lexical analyzer that handles simple buffers.
This lexer ignores comments and whitespace, and will return
syntax as specified by the syntax table."
semantic-lex-ignore-whitespace
semantic-lex-ignore-newline
semantic-lex-scheme-symbol
semantic-lex-charquote
semantic-lex-paren-or-list
semantic-lex-close-paren
semantic-lex-string
semantic-lex-ignore-comments
semantic-lex-punctuation
semantic-lex-number
semantic-lex-default-action)
;;;###autoload
(defun semantic-default-scheme-setup ()
"Setup hook function for Emacs Lisp files and Semantic."
(semantic-scm-by--install-parser)
(setq semantic-symbol->name-assoc-list '( (variable . "Variables")
;;(type . "Types")
(function . "Functions")
(include . "Loads")
(package . "DefineModule"))
imenu-create-index-function #'semantic-create-imenu-index
)
(setq semantic-lex-analyzer #'semantic-scheme-lexer)
)
(provide 'semantic/bovine/scm)
;; Local variables:
;; generated-autoload-file: "../loaddefs.el"
;; generated-autoload-load-name: "semantic/bovine/scm"
;; End:
;;; semantic/bovine/scm.el ends here