lisp/eshell/em-xtra.el

   1 ;;; em-xtra.el --- extra alias functions  -*- lexical-binding:t -*-
   2
   3 ;; Copyright (C) 1999-2015 Free Software Foundation, Inc.
   4
   5 ;; Author: John Wiegley <johnw@gnu.org>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs 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 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs 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.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Commentary:
  23
  24 ;;; Code:
  25
  26 (require 'esh-util)
  27 (eval-when-compile
  28   (require 'eshell)
  29   (require 'pcomplete))
  30 (require 'compile)
  31
  32 ;;;###autoload
  33 (progn
  34 (defgroup eshell-xtra nil
  35   "This module defines some extra alias functions which are entirely
  36 optional.  They can be viewed as samples for how to write Eshell alias
  37 functions, or as aliases which make some of Emacs's behavior more
  38 naturally accessible within Emacs."
  39   :tag "Extra alias functions"
  40   :group 'eshell-module))
  41
  42 ;;; Functions:
  43
  44 (autoload 'eshell-parse-command "esh-cmd")
  45
  46 (defun eshell/expr (&rest args)
  47   "Implementation of expr, using the calc package."
  48   (if (not (fboundp 'calc-eval))
  49       (throw 'eshell-replace-command
  50              (eshell-parse-command "*expr" (eshell-flatten-list args)))
  51     ;; to fool the byte-compiler...
  52     (let ((func 'calc-eval))
  53       (funcall func (eshell-flatten-and-stringify args)))))
  54
  55 (defun eshell/substitute (&rest args)
  56   "Easy front-end to `intersection', for comparing lists of strings."
  57   (apply 'substitute (car args) (cadr args) :test 'equal
  58          (cddr args)))
  59
  60 (defun eshell/count (&rest args)
  61   "Easy front-end to `intersection', for comparing lists of strings."
  62   (apply 'count (car args) (cadr args) :test 'equal
  63          (cddr args)))
  64
  65 (defun eshell/mismatch (&rest args)
  66   "Easy front-end to `intersection', for comparing lists of strings."
  67   (apply 'mismatch (car args) (cadr args) :test 'equal
  68          (cddr args)))
  69
  70 (defun eshell/union (&rest args)
  71   "Easy front-end to `intersection', for comparing lists of strings."
  72   (apply 'union (car args) (cadr args) :test 'equal
  73          (cddr args)))
  74
  75 (defun eshell/intersection (&rest args)
  76   "Easy front-end to `intersection', for comparing lists of strings."
  77   (apply 'intersection (car args) (cadr args) :test 'equal
  78          (cddr args)))
  79
  80 (defun eshell/set-difference (&rest args)
  81   "Easy front-end to `intersection', for comparing lists of strings."
  82   (apply 'set-difference (car args) (cadr args) :test 'equal
  83          (cddr args)))
  84
  85 (defun eshell/set-exclusive-or (&rest args)
  86   "Easy front-end to `intersection', for comparing lists of strings."
  87   (apply 'set-exclusive-or (car args) (cadr args) :test 'equal
  88          (cddr args)))
  89
  90 (defalias 'eshell/ff 'find-name-dired)
  91 (defalias 'eshell/gf 'find-grep-dired)
  92
  93 (defun pcomplete/bcc32 ()
  94   "Completion function for Borland's C++ compiler."
  95   (let ((cur (pcomplete-arg 0)))
  96     (cond
  97      ((string-match "\\`-w\\([^;]+;\\)*\\([^;]*\\)\\'" cur)
  98       (pcomplete-here
  99        '("ali" "amb" "amp" "asc" "asm" "aus" "bbf" "bei" "big" "ccc"
 100          "cln" "cod" "com" "cpt" "csu" "def" "dig" "dpu" "dsz" "dup"
 101          "eas" "eff" "ext" "hch" "hid" "ias" "ibc" "ifr" "ill" "nil"
 102          "lin" "lvc" "mcs" "mes" "mpc" "mpd" "msg" "nak" "ncf" "nci"
 103          "ncl" "nfd" "ngu" "nin" "nma" "nmu" "nod" "nop" "npp" "nsf"
 104          "nst" "ntd" "nto" "nvf" "obi" "obs" "ofp" "osh" "ovf" "par"
 105          "pch" "pck" "pia" "pin" "pow" "prc" "pre" "pro" "rch" "ret"
 106          "rng" "rpt" "rvl" "sig" "spa" "stl" "stu" "stv" "sus" "tai"
 107          "tes" "thr" "ucp" "use" "voi" "zdi") (match-string 2 cur)))
 108      ((string-match "\\`-[LIn]\\([^;]+;\\)*\\([^;]*\\)\\'" cur)
 109       (pcomplete-here (pcomplete-dirs) (match-string 2 cur)))
 110      ((string-match "\\`-[Ee]\\(.*\\)\\'" cur)
 111       (pcomplete-here (pcomplete-dirs-or-entries "\\.[Ee][Xx][Ee]\\'")
 112                       (match-string 1 cur)))
 113      ((string-match "\\`-o\\(.*\\)\\'" cur)
 114       (pcomplete-here (pcomplete-dirs-or-entries "\\.[Oo][Bb][Jj]\\'")
 115                       (match-string 1 cur)))
 116      (t
 117       (pcomplete-opt "3456ABCDEHIKLMNOPRSTUVXabcdefgijklnoptuvwxyz"))))
 118   (while (pcomplete-here
 119           (pcomplete-dirs-or-entries "\\.[iCc]\\([Pp][Pp]\\)?\\'"))))
 120
 121 (defalias 'pcomplete/bcc 'pcomplete/bcc32)
 122
 123 (provide 'em-xtra)
 124
 125 ;; Local Variables:
 126 ;; generated-autoload-file: "esh-groups.el"
 127 ;; End:
 128
 129 ;;; em-xtra.el ends here