1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
;;; sym-diff.el --- Diff dumped elisp symbols produced by sym-dump.el -*- lexical-binding: t -*-
;; Copyright (C) 2019 Steve Purcell
;; Author: Steve Purcell <steve@sanityinc.com>
;; URL: https://github.com/purcell/package-lint
;; Keywords: lisp
;; Version: 0
;; Package-Requires: ((seq "0.5") (emacs "24"))
;; 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 3 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. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Diff dumped elisp symbols produced by sym-dump.el
;;; Code:
(require 'seq)
(defun sym-diff-hashdiff (v1 v2)
(let ((in-v2 (make-hash-table)))
(dolist (x v2)
(puthash x t in-v2))
(seq-filter (lambda (e) (not (gethash e in-v2))) v1)))
(defun sym-diff (dump1 dump2 type)
(let ((v1 (cdr (assoc type dump1)))
(v2 (cdr (assoc type dump2))))
(sort (sym-diff-hashdiff v1 v2)
(lambda (a b) (string< (symbol-name a) (symbol-name b))))))
(defun sym-diff-load-dump (f)
(with-temp-buffer
(insert-file-contents f)
(goto-char 0)
(read (current-buffer))))
(defun sym-diff-versions (v1 v2)
`((functions . ((removed . ,(sym-diff v1 v2 'functions))
(added . ,(sym-diff v2 v1 'functions))))
(variables . ((removed . ,(sym-diff v1 v2 'variables))
(added . ,(sym-diff v2 v1 'variables))))
(features . ((removed . ,(sym-diff v1 v2 'features))
(added . ,(sym-diff v2 v1 'features))))
))
(defun sym-diff-dumps (f1 f2)
(let ((v1 (sym-diff-load-dump f1))
(v2 (sym-diff-load-dump f2)))
(sym-diff-versions v1 v2)))
(provide 'sym-diff)
;;; sym-diff.el ends here
|
