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author Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
date Mon, 21 Apr 2014 04:30:59 +0900
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1 ;;; haskell-package.el --- Interface for working with Cabal packages
2
3 ;; Copyright (C) 2011 Chris Done
4
5 ;; Author: Chris Done <chrisdone@gmail.com>
6
7 ;; This file is not part of GNU Emacs.
8
9 ;; This file is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 3, or (at your option)
12 ;; any later version.
13
14 ;; This file is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
18
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to
21 ;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 ;; Boston, MA 02110-1301, USA.
23
24 ;;; Commentary:
25
26 ;;; Todo:
27
28 ;;; Code:
29
30 (with-no-warnings (require 'cl))
31
32 ;; Dynamically scoped variables.
33 ;; TODO What actually sets this?
34 (defvar haskell-config-use-cabal-dev)
35
36 ;; (defun haskell-package-conf-path-get (&optional project)
37 ;; "Gets the user conf or the cabal-dev conf. Get the global conf elsewhere."
38 ;; (if haskell-config-use-cabal-dev
39 ;; (if project
40 ;; (let* ((cabal-path (haskell-project-cabal-dir project)))
41 ;; (format "%scabal-dev/packages-%s.conf/"
42 ;; (if (string-match "/$" cabal-path)
43 ;; cabal-path
44 ;; (concat cabal-path "/"))
45 ;; (haskell-ghc-version)))
46 ;; (haskell-package-conf-user-path-get))
47 ;; (haskell-package-conf-user-path-get)))
48
49 (defun haskell-package-conf-user-path-get ()
50 "Get the user conf path."
51 (let ((out (shell-command-to-string "ghc-pkg --user list no-results-please")))
52 (string-match "\n\\(.*\\):\n" out) (match-string 1 out)))
53
54 (defun haskell-package-conf-global-path-get ()
55 "Get the global conf path."
56 (let ((out (shell-command-to-string "ghc-pkg --global list no-results-please")))
57 (string-match "\n\\(.*\\):\n" out) (match-string 1 out)))
58
59 (defun haskell-package-get-all (conf)
60 "Get all package descriptions for the given `conf'."
61 (let ((all (shell-command-to-string (format "ghc-pkg -f %s dump" conf))))
62 (mapcar (lambda (text)
63 (haskell-package-parse text))
64 (split-string all "\n---\n"))))
65
66 (defun haskell-package-get (conf name version)
67 "Get a package description for the given `name' and `version' in the given `conf'."
68 (haskell-package-parse
69 (shell-command-to-string
70 (format "ghc-pkg -f %s describe %s-%s"
71 conf
72 name
73 version))))
74
75 (defstruct haskell-package "Haskell package object.")
76
77 (defun haskell-package-parse (text)
78 "Parse a package into a package object."
79 (let ((pkg (haskell-package-read-description text)))
80 (make-haskell-package
81 :name (cdr (assoc "name" pkg))
82 :version (cdr (assoc "version" pkg))
83 :id (cdr (assoc "id" pkg))
84 :license (cdr (assoc "license" pkg))
85 :copyright (cdr (assoc "copyright" pkg))
86 :maintainer (cdr (assoc "maintainer" pkg))
87 :stability (cdr (assoc "stability" pkg))
88 :homepage (cdr (assoc "homepage" pkg))
89 :package-url (cdr (assoc "package-url" pkg))
90 :description (cdr (assoc "description" pkg))
91 :categories (cdr (assoc "category" pkg))
92 :authors (cdr (assoc "author" pkg))
93 :is-exposed (equal "True" (cdr (assoc "exposed" pkg)))
94 :exposed-modules (split-string (or (cdr (assoc "exposed-modules" pkg)) "")
95 "[\n ]")
96 :hidden-modules (split-string (or (cdr (assoc "hidden-modules" pkg)) "")
97 "[\n ]")
98 :imports-dirs (cdr (assoc "imports-dirs" pkg))
99 :library-dirs (cdr (assoc "library-dirs" pkg))
100 :haskell-libraries (cdr (assoc "haskell-libraries" pkg))
101 :extra-libraries (cdr (assoc "extra-libraries" pkg))
102 :extra-ghci-libraries (cdr (assoc "extra-ghci-libraries" pkg))
103 :include-dirs (cdr (assoc "include-dirs" pkg))
104 :includes (cdr (assoc "includes" pkg))
105 :depends (cdr (assoc "depends" pkg))
106 :hugs-options (cdr (assoc "hugs-options" pkg))
107 :cc-options (cdr (assoc "cc-options" pkg))
108 :ld-options (cdr (assoc "ld-options" pkg))
109 :framework-dirs (cdr (assoc "framework-dirs" pkg))
110 :frameworks (cdr (assoc "frameworks" pkg))
111 :haddock-interfaces (cdr (assoc "haddock-interfaces" pkg))
112 :haddock-html (cdr (assoc "haddock-html" pkg)))))
113
114 (defun haskell-package-read-description (text)
115 "Return an association list of key-values from a pkg description string."
116 (let* ((marked (replace-regexp-in-string
117 "\n\\([^ ]\\)"
118 (lambda (match)
119 (concat "\n:" (substring match 1)))
120 text))
121 (alist (mapcar 'haskell-package-key-value
122 (split-string marked "\n:"))))
123 alist))
124
125 (defun haskell-package-key-value (entry)
126 "Return a (key . value) pair from an entry."
127 (let ((key-values (split-string entry ": ")))
128 (if (listp key-values)
129 (cons (car key-values)
130 (replace-regexp-in-string
131 "\n[ ]*"
132 " "
133 (mapconcat 'identity (cdr key-values) ": ")))
134 key-values)))
135
136 (defun haskell-package-list-get (conf)
137 "Get the list of packages in the given config."
138 (haskell-package-list-parse
139 (shell-command-to-string
140 (format "ghc-pkg -f %s list"
141 conf))))
142
143 (defun haskell-package-list-parse (text)
144 "Parse the list of installed packges."
145 (let* ((lines (split-string text "\n ")))
146 (mapcar
147 (lambda (line)
148 (string-match "^{?\\([a-zA-Z0-9-_]+\\)-\\([0-9.]+\\)}?$" line)
149 (cons (match-string 1 line) (match-string 2 line)))
150 (delete-if
151 (lambda (line)
152 (not (string-match "^{?[a-zA-Z0-9-_]+-[0-9.]+}?$" line)))
153 lines))))
154
155 (provide 'haskell-package)
156
157 ;; Local Variables:
158 ;; byte-compile-warnings: (not cl-functions)
159 ;; End:
160
161 ;;; haskell-package.el ends here