From 48c0cb1f5ceeb12824c9465d0549583e970ab983 Mon Sep 17 00:00:00 2001 From: Jose Antonio Ortega Ruiz Date: Sun, 12 Jun 2016 04:33:04 +0200 Subject: Removing stale keywords when switching to another scheme Addresses github's #158, and its implementation is really easy (kudos to fice-t, also for telling me about bound-and-true-p). --- elisp/geiser-mode.el | 3 ++- elisp/geiser-syntax.el | 10 ++++++++-- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/elisp/geiser-mode.el b/elisp/geiser-mode.el index f8329f8..640dbcc 100644 --- a/elisp/geiser-mode.el +++ b/elisp/geiser-mode.el @@ -1,6 +1,6 @@ ;; geiser-mode.el -- minor mode for scheme buffers -;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jose Antonio Ortega Ruiz +;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Jose Antonio Ortega Ruiz ;; This program is free software; you can redistribute it and/or ;; modify it under the terms of the Modified BSD License. You should @@ -195,6 +195,7 @@ With prefix, recursively macro-expand the resulting expression." (defun geiser-set-scheme () "Associates current buffer with a given Scheme implementation." (interactive) + (geiser-syntax--remove-kws) (let ((impl (geiser-impl--read-impl))) (geiser-impl--set-buffer-implementation impl) (geiser-repl--set-up-repl impl))) diff --git a/elisp/geiser-syntax.el b/elisp/geiser-syntax.el index ce64171..79f899b 100644 --- a/elisp/geiser-syntax.el +++ b/elisp/geiser-syntax.el @@ -1,6 +1,6 @@ ;;; geiser-syntax.el -- utilities for parsing scheme syntax -;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jose Antonio Ortega Ruiz +;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Jose Antonio Ortega Ruiz ;; This program is free software; you can redistribute it and/or ;; modify it under the terms of the Modified BSD License. You should @@ -135,13 +135,19 @@ implementation-specific entries for font-lock-keywords.") "A flag saying whether keywords are case sensitive.") (defun geiser-syntax--add-kws (&optional global-p) - (when (not (and (boundp 'quack-mode) quack-mode)) + (unless (bound-and-true-p quack-mode) (let ((kw (geiser-syntax--impl-kws geiser-impl--implementation)) (cs (geiser-syntax--case-sensitive geiser-impl--implementation))) (when kw (font-lock-add-keywords nil kw)) (when global-p (font-lock-add-keywords nil (geiser-syntax--keywords))) (setq font-lock-keywords-case-fold-search (not cs))))) +(defun geiser-syntax--remove-kws () + (unless (bound-and-true-p quack-mode) + (let ((kw (geiser-syntax--impl-kws geiser-impl--implementation))) + (when kw + (font-lock-remove-keywords nil kw))))) + ;;; A simple scheme reader -- cgit v1.2.3