From 6035d4dfd7542a615fbd70bd80527c15424185a3 Mon Sep 17 00:00:00 2001 From: Federico Beffa Date: Sat, 26 Dec 2015 11:02:01 +0100 Subject: [PATCH 4/6] gnu: Add emacs-constants. * gnu/packages/emacs.scm (emacs-constants): New variable. * gnu/packages/patches/emacs-constants-lisp-like.patch: New patch. * gnu-system.am (dist_patch_DATA): Add it. --- gnu-system.am | 1 + gnu/packages/emacs.scm | 41 +++++++++++ .../patches/emacs-constants-lisp-like.patch | 81 ++++++++++++++++++++++ 3 files changed, 123 insertions(+) create mode 100644 gnu/packages/patches/emacs-constants-lisp-like.patch diff --git a/gnu-system.am b/gnu-system.am index 83a7e92..02f77ae 100644 --- a/gnu-system.am +++ b/gnu-system.am @@ -450,6 +450,7 @@ dist_patch_DATA = \ gnu/packages/patches/elfutils-tests-ptrace.patch \ gnu/packages/patches/emacs-exec-path.patch \ gnu/packages/patches/emacs-scheme-complete-scheme-r5rs-info.patch \ + gnu/packages/patches/emacs-constants-lisp-like.patch \ gnu/packages/patches/eudev-rules-directory.patch \ gnu/packages/patches/evilwm-lost-focus-bug.patch \ gnu/packages/patches/expat-CVE-2015-1283.patch \ diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm index 3a7c4ad..cc6fd85 100644 --- a/gnu/packages/emacs.scm +++ b/gnu/packages/emacs.scm @@ -26,6 +26,9 @@ #:use-module (guix packages) #:use-module (guix download) #:use-module (guix git-download) + #:use-module (guix gexp) + #:use-module (guix monads) + #:use-module (guix store) #:use-module (guix build-system gnu) #:use-module (guix build-system emacs) #:use-module (guix build-system glib-or-gtk) @@ -1245,3 +1248,41 @@ to a key in your preferred mode.") "This package provides a set of Emacs functions to search definitions of identifiers in the MIT-Scheme documentation.") (license license:gpl2+))) + +;;; XXX: move this procedure to an utility module +(define* (uncompressed-file-fetch url hash-algo hash + #:optional name + #:key (system (%current-system)) + (guile (default-guile))) + (mlet %store-monad ((drv (url-fetch url hash-algo hash name + #:system system + #:guile guile))) + (gexp->derivation (or name (basename url)) + #~(begin + (mkdir #$output) + (setenv "PATH" + (string-append #$gzip "/bin")) + (chdir #$output) + (copy-file #$drv (basename #$url)))))) + +(define-public emacs-constants + (package + (name "emacs-constants") + (version "2.2") + (source + (origin + (file-name (string-append name "-" version ".el")) + (method uncompressed-file-fetch) + (uri "https://staff.fnwi.uva.nl/c.dominik/Tools/constants/constants.el") + (patches + (list (search-patch "emacs-constants-lisp-like.patch"))) + (sha256 + (base32 + "14q094aphsjhq8gklv7i5a7byl0ygz63cv3n6b5p8ji2jy0mnnw3")))) + (build-system emacs-build-system) + (home-page "https://staff.fnwi.uva.nl/c.dominik/Tools/constants") + (synopsis "Enter definition of constants into an Emacs buffer") + (description + "This package provides functions for inserting the definition of natural +constants and units into an Emacs buffer.") + (license license:gpl2+))) diff --git a/gnu/packages/patches/emacs-constants-lisp-like.patch b/gnu/packages/patches/emacs-constants-lisp-like.patch new file mode 100644 index 0000000..5ec37f3 --- /dev/null +++ b/gnu/packages/patches/emacs-constants-lisp-like.patch @@ -0,0 +1,81 @@ +Add Scheme support + +--- constants/constants.el.orig 2015-12-26 17:44:31.734520833 +0100 ++++ constants/constants.el 2015-12-30 17:41:28.402871263 +0100 +@@ -684,6 +684,33 @@ + + (eval-when-compile (defvar ctable)) + ++(defun constants-is-lisp-like (mode) ++ (save-match-data ++ (string-match "\\(lisp\\|scheme\\)" (symbol-name mode)))) ++ ++(defun constants-is-set-like () ++ (save-excursion ++ (condition-case nil ++ (save-match-data ++ (progn (up-list -1) ++ (or (looking-at "(set[qf!]?\\>") (looking-at "(define\\>")))) ++ (error nil)))) ; return value nil means use default ++ ++;;;###autoload ++(defun constants-lisp-like-function () ++ "Check context for constants insertion." ++ (if (constants-is-set-like) ++ '(emacs-lisp-mode "%n %v%t; %d %u" "e" "(* %p %v)") ++ '(emacs-lisp-mode "(%n %v)%t; %d %u" "e" "(* %p %v)"))) ++ ++;;;###autoload ++(mapc (lambda (mode-hook) ++ (add-hook mode-hook ++ (lambda () ++ (setq constants-language-function ++ 'constants-lisp-like-function)))) ++ '(scheme-mode-hook emacs-lisp-mode-hook lisp-mode-hook)) ++ + ;;;###autoload + (defun constants-insert (&optional unit-system names) + "Insert one or more natural constant definitions in source code. +@@ -826,8 +853,9 @@ + (funcall process-func ins)) + ;; Here comes the insertion stuff for source code editing modes. + ;; First make sure we start a new line +- (if (string-match +- "\\S-" (buffer-substring (point-at-bol) (point-at-eol))) ++ (if (and (string-match ++ "\\S-" (buffer-substring (point-at-bol) (point-at-eol))) ++ (not (constants-is-lisp-like mode))) + ;; non-empty line, insert after this line + (progn + (end-of-line 1) +@@ -841,13 +869,24 @@ + (if (string-match "\\(.*\\)%t\\(.*\\)" line) + (let ((comment-column 42)) + (insert (match-string 1 line)) +- (indent-to comment-column) +- (insert (match-string 2 line))) ++ (if (and (constants-is-lisp-like mode) ++ (or (constants-is-set-like) ++ (null clist))) ++ (save-excursion ++ (progn ++ (move-to-column comment-column t) ++ (insert (match-string 2 line)) ++ ;; insert a newline such that paredit's M-) can mode ++ ;; the closing parentheses to the next line. ++ (newline-and-indent))) ++ (progn ++ (indent-to comment-column) ++ (insert (match-string 2 line))))) + (insert line))) +- (if constants-indent-code +- (newline-and-indent) +- (newline)))))) +- ++ (unless (and (constants-is-lisp-like mode) (null clist)) ++ (if constants-indent-code ++ (newline-and-indent) ++ (newline))))))) + ;;;###autoload + (defun constants-get (&optional const message) + "Return the value of CONST as defined in the constants package. -- 2.6.3