118 lines
4.0 KiB
EmacsLisp
118 lines
4.0 KiB
EmacsLisp
;;; semantic/bovine/scm.el --- Semantic details for Scheme (guile) -*- lexical-binding: t; -*-
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;; Copyright (C) 2001-2024 Free Software Foundation, Inc.
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;; Author: Eric M. Ludlam <zappo@gnu.org>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;; Use the Semantic Bovinator for Scheme (guile)
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(require 'semantic)
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(require 'semantic/bovine)
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(require 'semantic/bovine/scm-by)
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(require 'semantic/format)
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(require 'semantic/dep)
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;;; Code:
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(defcustom-mode-local-semantic-dependency-system-include-path
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scheme-mode semantic-default-scheme-path
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'("/usr/share/guile/")
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"Default set of include paths for scheme (guile) code.
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This should probably do some sort of search to see what is
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actually on the local machine.")
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(define-mode-local-override semantic-format-tag-prototype scheme-mode (tag &optional parent color)
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"Return a prototype for the Emacs Lisp nonterminal TAG."
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(let* ((tok (semantic-tag-class tag))
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(args (semantic-tag-components tag))
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)
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(if (eq tok 'function)
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(concat (semantic-tag-name tag) " ("
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(mapconcat (lambda (a) a) args " ")
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")")
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(semantic-format-tag-prototype-default tag parent color))))
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(define-mode-local-override semantic-documentation-for-tag scheme-mode (tag &optional _nosnarf)
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"Return the documentation string for TAG.
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Optional argument NOSNARF is ignored."
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(let ((d (semantic-tag-docstring tag)))
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(if (and d (> (length d) 0) (= (aref d 0) ?*))
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(substring d 1)
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d)))
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(define-mode-local-override semantic-insert-foreign-tag scheme-mode (tag _tagfile)
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"Insert TAG from TAGFILE at point.
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Attempts a simple prototype for calling or using TAG."
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(cond ((eq (semantic-tag-class tag) 'function)
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(insert "(" (semantic-tag-name tag) " )")
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(forward-char -1))
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(t
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(insert (semantic-tag-name tag)))))
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;; Note: Analyzer from Henry S. Thompson
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(define-lex-regex-analyzer semantic-lex-scheme-symbol
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"Detect and create symbol and keyword tokens."
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"\\(\\sw\\|\\s_\\)+"
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;; (message "symbol: %s" (match-string 0))
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(semantic-lex-push-token
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(semantic-lex-token
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(or (semantic-lex-keyword-p (match-string 0)) 'symbol)
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(match-beginning 0) (match-end 0))))
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(define-lex semantic-scheme-lexer
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"A simple lexical analyzer that handles simple buffers.
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This lexer ignores comments and whitespace, and will return
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syntax as specified by the syntax table."
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semantic-lex-ignore-whitespace
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semantic-lex-ignore-newline
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semantic-lex-scheme-symbol
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semantic-lex-charquote
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semantic-lex-paren-or-list
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semantic-lex-close-paren
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semantic-lex-string
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semantic-lex-ignore-comments
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semantic-lex-punctuation
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semantic-lex-number
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semantic-lex-default-action)
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;;;###autoload
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(defun semantic-default-scheme-setup ()
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"Setup hook function for Emacs Lisp files and Semantic."
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(semantic-scm-by--install-parser)
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(setq semantic-symbol->name-assoc-list '( (variable . "Variables")
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;;(type . "Types")
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(function . "Functions")
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(include . "Loads")
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(package . "DefineModule"))
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imenu-create-index-function #'semantic-create-imenu-index
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)
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(setq semantic-lex-analyzer #'semantic-scheme-lexer)
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)
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(provide 'semantic/bovine/scm)
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;; Local variables:
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;; generated-autoload-file: "../loaddefs.el"
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;; generated-autoload-load-name: "semantic/bovine/scm"
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;; End:
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;;; semantic/bovine/scm.el ends here
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