lisp/eshell/em-xtra.el

   1 ;;; em-xtra.el --- extra alias functions  -*- lexical-binding:t -*-
   2
   3 ;; Copyright (C) 1999-2018 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 <https://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 ;; There are no items in this custom group, but eshell modules (ab)use
  33 ;; custom groups.
  34 ;;;###autoload
  35 (progn
  36 (defgroup eshell-xtra nil
  37   "This module defines some extra alias functions which are entirely
  38 optional.  They can be viewed as samples for how to write Eshell alias
  39 functions, or as aliases which make some of Emacs's behavior more
  40 naturally accessible within Emacs."
  41   :tag "Extra alias functions"
  42   :group 'eshell-module))
  43
  44 ;;; Functions:
  45
  46 (autoload 'eshell-parse-command "esh-cmd")
  47
  48 (defun eshell/expr (&rest args)
  49   "Implementation of expr, using the calc package."
  50   (if (not (fboundp 'calc-eval))
  51       (throw 'eshell-replace-command
  52              (eshell-parse-command "*expr" (eshell-flatten-list args)))
  53     ;; to fool the byte-compiler...
  54     (let ((func 'calc-eval))
  55       (funcall func (eshell-flatten-and-stringify args)))))
  56
  57 (defun eshell/substitute (&rest args)
  58   "Easy front-end to `intersection', for comparing lists of strings."
  59   (apply 'substitute (car args) (cadr args) :test 'equal
  60          (cddr args)))
  61
  62 (defun eshell/count (&rest args)
  63   "Easy front-end to `intersection', for comparing lists of strings."
  64   (apply 'count (car args) (cadr args) :test 'equal
  65          (cddr args)))
  66
  67 (defun eshell/mismatch (&rest args)
  68   "Easy front-end to `intersection', for comparing lists of strings."
  69   (apply 'mismatch (car args) (cadr args) :test 'equal
  70          (cddr args)))
  71
  72 (defun eshell/union (&rest args)
  73   "Easy front-end to `intersection', for comparing lists of strings."
  74   (apply 'union (car args) (cadr args) :test 'equal
  75          (cddr args)))
  76
  77 (defun eshell/intersection (&rest args)
  78   "Easy front-end to `intersection', for comparing lists of strings."
  79   (apply 'intersection (car args) (cadr args) :test 'equal
  80          (cddr args)))
  81
  82 (defun eshell/set-difference (&rest args)
  83   "Easy front-end to `intersection', for comparing lists of strings."
  84   (apply 'set-difference (car args) (cadr args) :test 'equal
  85          (cddr args)))
  86
  87 (defun eshell/set-exclusive-or (&rest args)
  88   "Easy front-end to `intersection', for comparing lists of strings."
  89   (apply 'set-exclusive-or (car args) (cadr args) :test 'equal
  90          (cddr args)))
  91
  92 (defalias 'eshell/ff 'find-name-dired)
  93 (defalias 'eshell/gf 'find-grep-dired)
  94
  95 (defun pcomplete/bcc32 ()
  96   "Completion function for Borland's C++ compiler."
  97   (let ((cur (pcomplete-arg 0)))
  98     (cond
  99      ((string-match "\\`-w\\([^;]+;\\)*\\([^;]*\\)\\'" cur)
 100       (pcomplete-here
 101        '("ali" "amb" "amp" "asc" "asm" "aus" "bbf" "bei" "big" "ccc"
 102          "cln" "cod" "com" "cpt" "csu" "def" "dig" "dpu" "dsz" "dup"
 103          "eas" "eff" "ext" "hch" "hid" "ias" "ibc" "ifr" "ill" "nil"
 104          "lin" "lvc" "mcs" "mes" "mpc" "mpd" "msg" "nak" "ncf" "nci"
 105          "ncl" "nfd" "ngu" "nin" "nma" "nmu" "nod" "nop" "npp" "nsf"
 106          "nst" "ntd" "nto" "nvf" "obi" "obs" "ofp" "osh" "ovf" "par"
 107          "pch" "pck" "pia" "pin" "pow" "prc" "pre" "pro" "rch" "ret"
 108          "rng" "rpt" "rvl" "sig" "spa" "stl" "stu" "stv" "sus" "tai"
 109          "tes" "thr" "ucp" "use" "voi" "zdi") (match-string 2 cur)))
 110      ((string-match "\\`-[LIn]\\([^;]+;\\)*\\([^;]*\\)\\'" cur)
 111       (pcomplete-here (pcomplete-dirs) (match-string 2 cur)))
 112      ((string-match "\\`-[Ee]\\(.*\\)\\'" cur)
 113       (pcomplete-here (pcomplete-dirs-or-entries "\\.[Ee][Xx][Ee]\\'")
 114                       (match-string 1 cur)))
 115      ((string-match "\\`-o\\(.*\\)\\'" cur)
 116       (pcomplete-here (pcomplete-dirs-or-entries "\\.[Oo][Bb][Jj]\\'")
 117                       (match-string 1 cur)))
 118      (t
 119       (pcomplete-opt "3456ABCDEHIKLMNOPRSTUVXabcdefgijklnoptuvwxyz"))))
 120   (while (pcomplete-here
 121           (pcomplete-dirs-or-entries "\\.[iCc]\\([Pp][Pp]\\)?\\'"))))
 122
 123 (defalias 'pcomplete/bcc 'pcomplete/bcc32)
 124
 125 (provide 'em-xtra)
 126
 127 ;; Local Variables:
 128 ;; generated-autoload-file: "esh-groups.el"
 129 ;; End:
 130
 131 ;;; em-xtra.el ends here