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1 ;;; viper-ex.el --- functions implementing the Ex commands for Viper
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2
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70
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3 ;; Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
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4
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5 ;; This file is part of GNU Emacs.
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6
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7 ;; GNU Emacs is free software; you can redistribute it and/or modify
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8 ;; it under the terms of the GNU General Public License as published by
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9 ;; the Free Software Foundation; either version 2, or (at your option)
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10 ;; any later version.
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11
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12 ;; GNU Emacs is distributed in the hope that it will be useful,
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13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 ;; GNU General Public License for more details.
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16
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17 ;; You should have received a copy of the GNU General Public License
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18 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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19 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 ;; Boston, MA 02111-1307, USA.
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21
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22
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23 ;; Code
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24
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25 (require 'viper-util)
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14
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26
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27 ;; Compiler pacifier
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28 (defvar read-file-name-map)
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29 ;; end compiler pacifier
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30
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31 ;;; Variables
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32
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33 (defconst vip-ex-work-buf-name " *ex-working-space*")
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34 (defconst vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
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35 (defconst vip-ex-tmp-buf-name " *ex-tmp*")
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36
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37
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38 ;;; Variable completion in :set command
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39
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40 ;; The list of Ex commands. Used for completing command names.
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41 (defconst ex-token-alist
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42 '(("!") ("=") (">") ("&") ("~")
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43 ("yank") ("xit") ("WWrite") ("Write") ("write") ("wq") ("visual")
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44 ("version") ("vglobal") ("unmap") ("undo") ("tag") ("transfer") ("suspend")
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45 ("substitute") ("submitReport") ("stop") ("sr") ("source") ("shell")
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46 ("set") ("rewind") ("recover") ("read") ("quit") ("pwd")
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47 ("put") ("preserve") ("PreviousRelatedFile") ("RelatedFile")
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48 ("next") ("Next") ("move") ("mark") ("map") ("kmark") ("join")
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49 ("help") ("goto") ("global") ("file") ("edit") ("delete") ("copy")
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50 ("chdir") ("cd") ("Buffer") ("buffer") ("args")) )
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51
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52 ;; A-list of Ex variables that can be set using the :set command.
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53 (defconst ex-variable-alist
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54 '(("wrapscan") ("ws") ("wrapmargin") ("wm")
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55 ("global-tabstop") ("gts") ("tabstop") ("ts")
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56 ("showmatch") ("sm") ("shiftwidth") ("sw") ("shell") ("sh")
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57 ("readonly") ("ro")
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58 ("nowrapscan") ("nows") ("noshowmatch") ("nosm")
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59 ("noreadonly") ("noro") ("nomagic") ("noma")
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60 ("noignorecase") ("noic")
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61 ("global-noautoindent") ("gnoai") ("noautoindent") ("noai")
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62 ("magic") ("ma") ("ignorecase") ("ic")
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63 ("global-autoindent") ("gai") ("autoindent") ("ai")
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64 ))
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65
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66
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67
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68 ;; Token recognized during parsing of Ex commands (e.g., "read", "comma")
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69 (defvar ex-token nil)
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70
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71 ;; Type of token.
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72 ;; If non-nil, gives type of address; if nil, it is a command.
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73 (defvar ex-token-type nil)
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74
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75 ;; List of addresses passed to Ex command
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76 (defvar ex-addresses nil)
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77
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78 ;; It seems that this flag is used only for `#', `print', and `list', which
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79 ;; aren't implemented. Check later.
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80 (defvar ex-flag nil)
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81
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82 ;; "buffer" where Ex commands keep deleted data.
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83 ;; In Emacs terms, this is a register.
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84 (defvar ex-buffer nil)
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85
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86 ;; Value of ex count.
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87 (defvar ex-count nil)
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88
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89 ;; Flag for global command.
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90 (defvar ex-g-flag nil)
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91
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92 ;; If t, global command is executed on lines not matching ex-g-pat.
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93 (defvar ex-g-variant nil)
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94
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95 ;; Save reg-exp used in substitute.
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96 (defvar ex-reg-exp nil)
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97
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98
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99 ;; Replace pattern for substitute.
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100 (defvar ex-repl nil)
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101
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102 ;; Pattern for global command.
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103 (defvar ex-g-pat nil)
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104
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105
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106 (defvar ex-unix-type-shell
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107 (let ((case-fold-search t))
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108 (and (stringp shell-file-name)
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109 (string-match
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110 (concat
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111 "\\("
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112 "csh$\\|csh.exe$"
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113 "\\|"
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114 "ksh$\\|ksh.exe$"
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115 "\\|"
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116 "^sh$\\|sh.exe$"
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117 "\\|"
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118 "[^a-z]sh$\\|[^a-z]sh.exe$"
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119 "\\|"
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120 "bash$\\|bash.exe$"
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121 "\\)")
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122 shell-file-name)))
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123 "Is the user using a unix-type shell?")
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124
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125 (defvar ex-unix-type-shell-options
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126 (let ((case-fold-search t))
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127 (if ex-unix-type-shell
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128 (cond ((string-match "\\(csh$\\|csh.exe$\\)" shell-file-name)
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129 "-f") ; csh: do it fast
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130 ((string-match "\\(bash$\\|bash.exe$\\)" shell-file-name)
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131 "-noprofile") ; bash: ignore .profile
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132 )))
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133 "Options to pass to the Unix-style shell.
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134 Don't put `-c' here, as it is added automatically.")
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135
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136 (defvar ex-nontrivial-find-file-function
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137 (cond (ex-unix-type-shell 'vip-ex-nontrivial-find-file-unix)
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138 ((eq system-type 'emx) 'vip-ex-nontrivial-find-file-ms) ; OS/2
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139 (vip-ms-style-os-p 'vip-ex-nontrivial-find-file-ms) ; a Microsoft OS
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140 (vip-vms-os-p 'vip-ex-nontrivial-find-file-unix) ; VMS
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141 (t 'vip-ex-nontrivial-find-file-unix) ; presumably UNIX
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142 ))
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143
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144 ;; Remembers the previous Ex tag.
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145 (defvar ex-tag nil)
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146
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147 ;; file used by Ex commands like :r, :w, :n
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148 (defvar ex-file nil)
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149
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150 ;; If t, tells Ex that this is a variant-command, i.e., w>>, r!, etc.
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151 (defvar ex-variant nil)
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152
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153 ;; Specified the offset of an Ex command, such as :read.
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154 (defvar ex-offset nil)
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155
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156 ;; Tells Ex that this is a w>> command.
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157 (defvar ex-append nil)
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158
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159 ;; File containing the shell command to be executed at Ex prompt,
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160 ;; e.g., :r !date
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161 (defvar ex-cmdfile nil)
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162
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163 ;; flag used in vip-ex-read-file-name to indicate that we may be reading
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164 ;; multiple file names. Used for :edit and :next
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165 (defvar vip-keep-reading-filename nil)
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166
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167 (defconst ex-cycle-other-window t
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168 "*If t, :n and :b cycles through files and buffers in other window.
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169 Then :N and :B cycles in the current window. If nil, this behavior is
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170 reversed.")
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171
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172 (defconst ex-cycle-through-non-files nil
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173 "*Cycle through *scratch* and other buffers that don't visit any file.")
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174
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175 ;; Last shell command executed with :! command.
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176 (defvar vip-ex-last-shell-com nil)
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177
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178 ;; Indicates if Minibuffer was exited temporarily in Ex-command.
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179 (defvar vip-incomplete-ex-cmd nil)
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180
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181 ;; Remembers the last ex-command prompt.
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182 (defvar vip-last-ex-prompt "")
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183
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184
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185 ;;; Code
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186
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187 ;; Check if ex-token is an initial segment of STR
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188 (defun vip-check-sub (str)
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189 (let ((length (length ex-token)))
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190 (if (and (<= length (length str))
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191 (string= ex-token (substring str 0 length)))
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192 (setq ex-token str)
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193 (setq ex-token-type 'non-command))))
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194
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195 ;; Get a complete ex command
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196 (defun vip-get-ex-com-subr ()
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197 (let (case-fold-search)
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198 (set-mark (point))
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199 (re-search-forward "[a-zA-Z][a-zA-Z]*")
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200 (setq ex-token-type 'command)
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201 (setq ex-token (buffer-substring (point) (mark t)))
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202 (exchange-point-and-mark)
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203 (cond ((looking-at "a")
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204 (cond ((looking-at "ab") (vip-check-sub "abbreviate"))
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205 ((looking-at "ar") (vip-check-sub "args"))
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206 (t (vip-check-sub "append"))))
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207 ((looking-at "h") (vip-check-sub "help"))
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208 ((looking-at "c")
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209 (cond ((looking-at "cd") (vip-check-sub "cd"))
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210 ((looking-at "ch") (vip-check-sub "chdir"))
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211 ((looking-at "co") (vip-check-sub "copy"))
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212 (t (vip-check-sub "change"))))
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213 ((looking-at "d") (vip-check-sub "delete"))
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214 ((looking-at "b") (vip-check-sub "buffer"))
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215 ((looking-at "B") (vip-check-sub "Buffer"))
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216 ((looking-at "e")
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217 (if (looking-at "ex") (vip-check-sub "ex")
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218 (vip-check-sub "edit")))
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219 ((looking-at "f") (vip-check-sub "file"))
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220 ((looking-at "g") (vip-check-sub "global"))
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221 ((looking-at "i") (vip-check-sub "insert"))
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222 ((looking-at "j") (vip-check-sub "join"))
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223 ((looking-at "l") (vip-check-sub "list"))
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224 ((looking-at "m")
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225 (cond ((looking-at "map") (vip-check-sub "map"))
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226 ((looking-at "mar") (vip-check-sub "mark"))
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227 (t (vip-check-sub "move"))))
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228 ((looking-at "k[a-z][^a-z]")
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229 (setq ex-token "kmark")
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230 (forward-char 1)
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231 (exchange-point-and-mark)) ; this is canceled out by another
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232 ; exchange-point-and-mark at the end
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233 ((looking-at "k") (vip-check-sub "kmark"))
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234 ((looking-at "n") (if (looking-at "nu")
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235 (vip-check-sub "number")
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236 (vip-check-sub "next")))
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237 ((looking-at "N") (vip-check-sub "Next"))
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238 ((looking-at "o") (vip-check-sub "open"))
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239 ((looking-at "p")
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240 (cond ((looking-at "pre") (vip-check-sub "preserve"))
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241 ((looking-at "pu") (vip-check-sub "put"))
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242 ((looking-at "pw") (vip-check-sub "pwd"))
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243 (t (vip-check-sub "print"))))
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244 ((looking-at "P") (vip-check-sub "PreviousRelatedFile"))
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245 ((looking-at "R") (vip-check-sub "RelatedFile"))
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246 ((looking-at "q") (vip-check-sub "quit"))
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247 ((looking-at "r")
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248 (cond ((looking-at "rec") (vip-check-sub "recover"))
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249 ((looking-at "rew") (vip-check-sub "rewind"))
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250 (t (vip-check-sub "read"))))
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251 ((looking-at "s")
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252 (cond ((looking-at "se") (vip-check-sub "set"))
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253 ((looking-at "sh") (vip-check-sub "shell"))
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254 ((looking-at "so") (vip-check-sub "source"))
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255 ((looking-at "sr") (vip-check-sub "sr"))
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256 ((looking-at "st") (vip-check-sub "stop"))
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257 ((looking-at "sus") (vip-check-sub "suspend"))
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258 ((looking-at "subm") (vip-check-sub "submitReport"))
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259 (t (vip-check-sub "substitute"))))
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260 ((looking-at "t")
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261 (if (looking-at "ta") (vip-check-sub "tag")
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262 (vip-check-sub "transfer")))
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263 ((looking-at "u")
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264 (cond ((looking-at "una") (vip-check-sub "unabbreviate"))
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265 ((looking-at "unm") (vip-check-sub "unmap"))
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266 (t (vip-check-sub "undo"))))
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267 ((looking-at "v")
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268 (cond ((looking-at "ve") (vip-check-sub "version"))
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269 ((looking-at "vi") (vip-check-sub "visual"))
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270 (t (vip-check-sub "vglobal"))))
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271 ((looking-at "w")
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272 (if (looking-at "wq") (vip-check-sub "wq")
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273 (vip-check-sub "write")))
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274 ((looking-at "W")
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275 (if (looking-at "WW")
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276 (vip-check-sub "WWrite")
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277 (vip-check-sub "Write")))
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278 ((looking-at "x") (vip-check-sub "xit"))
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279 ((looking-at "y") (vip-check-sub "yank"))
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280 ((looking-at "z") (vip-check-sub "z")))
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281 (exchange-point-and-mark)
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282 ))
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283
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284 ;; Get an ex-token which is either an address or a command.
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285 ;; A token has a type, \(command, address, end-mark\), and a value
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286 (defun vip-get-ex-token ()
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287 (save-window-excursion
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288 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
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289 (set-buffer vip-ex-work-buf)
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290 (skip-chars-forward " \t|")
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291 (cond ((looking-at "#")
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292 (setq ex-token-type 'command)
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293 (setq ex-token (char-to-string (following-char)))
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294 (forward-char 1))
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295 ((looking-at "[a-z]") (vip-get-ex-com-subr))
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296 ((looking-at "\\.")
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297 (forward-char 1)
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298 (setq ex-token-type 'dot))
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299 ((looking-at "[0-9]")
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300 (set-mark (point))
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301 (re-search-forward "[0-9]*")
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302 (setq ex-token-type
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303 (cond ((eq ex-token-type 'plus) 'add-number)
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304 ((eq ex-token-type 'minus) 'sub-number)
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305 (t 'abs-number)))
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306 (setq ex-token (string-to-int (buffer-substring (point) (mark t)))))
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307 ((looking-at "\\$")
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308 (forward-char 1)
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309 (setq ex-token-type 'end))
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310 ((looking-at "%")
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311 (forward-char 1)
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312 (setq ex-token-type 'whole))
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313 ((looking-at "+")
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314 (cond ((or (looking-at "+[-+]") (looking-at "+[\n|]"))
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315 (forward-char 1)
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316 (insert "1")
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317 (backward-char 1)
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318 (setq ex-token-type 'plus))
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319 ((looking-at "+[0-9]")
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320 (forward-char 1)
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321 (setq ex-token-type 'plus))
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322 (t
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323 (error vip-BadAddress))))
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324 ((looking-at "-")
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325 (cond ((or (looking-at "-[-+]") (looking-at "-[\n|]"))
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326 (forward-char 1)
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327 (insert "1")
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328 (backward-char 1)
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329 (setq ex-token-type 'minus))
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330 ((looking-at "-[0-9]")
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331 (forward-char 1)
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332 (setq ex-token-type 'minus))
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333 (t
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334 (error vip-BadAddress))))
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335 ((looking-at "/")
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336 (forward-char 1)
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337 (set-mark (point))
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338 (let ((cont t))
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339 (while (and (not (eolp)) cont)
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340 ;;(re-search-forward "[^/]*/")
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341 (re-search-forward "[^/]*\\(/\\|\n\\)")
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342 (if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/"))
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343 (setq cont nil))))
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344 (backward-char 1)
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345 (setq ex-token (buffer-substring (point) (mark t)))
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346 (if (looking-at "/") (forward-char 1))
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347 (setq ex-token-type 'search-forward))
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348 ((looking-at "\\?")
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349 (forward-char 1)
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350 (set-mark (point))
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351 (let ((cont t))
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352 (while (and (not (eolp)) cont)
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353 ;;(re-search-forward "[^\\?]*\\?")
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354 (re-search-forward "[^\\?]*\\(\\?\\|\n\\)")
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355 (if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\\\?"))
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356 (setq cont nil))
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357 (backward-char 1)
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358 (if (not (looking-at "\n")) (forward-char 1))))
|
|
|
359 (setq ex-token-type 'search-backward)
|
|
|
360 (setq ex-token (buffer-substring (1- (point)) (mark t))))
|
|
|
361 ((looking-at ",")
|
|
|
362 (forward-char 1)
|
|
|
363 (setq ex-token-type 'comma))
|
|
|
364 ((looking-at ";")
|
|
|
365 (forward-char 1)
|
|
|
366 (setq ex-token-type 'semi-colon))
|
|
|
367 ((looking-at "[!=><&~]")
|
|
|
368 (setq ex-token-type 'command)
|
|
|
369 (setq ex-token (char-to-string (following-char)))
|
|
|
370 (forward-char 1))
|
|
|
371 ((looking-at "'")
|
|
|
372 (setq ex-token-type 'goto-mark)
|
|
|
373 (forward-char 1)
|
|
|
374 (cond ((looking-at "'") (setq ex-token nil))
|
|
|
375 ((looking-at "[a-z]") (setq ex-token (following-char)))
|
|
|
376 (t (error "Marks are ' and a-z")))
|
|
|
377 (forward-char 1))
|
|
|
378 ((looking-at "\n")
|
|
|
379 (setq ex-token-type 'end-mark)
|
|
|
380 (setq ex-token "goto"))
|
|
|
381 (t
|
|
|
382 (error vip-BadExCommand)))))
|
|
|
383
|
|
|
384 ;; Reads Ex command. Tries to determine if it has to exit because command
|
|
|
385 ;; is complete or invalid. If not, keeps reading command.
|
|
|
386 (defun ex-cmd-read-exit ()
|
|
|
387 (interactive)
|
|
|
388 (setq vip-incomplete-ex-cmd t)
|
|
|
389 (let ((quit-regex1 (concat
|
|
|
390 "\\(" "set[ \t]*"
|
|
|
391 "\\|" "edit[ \t]*"
|
|
|
392 "\\|" "[nN]ext[ \t]*"
|
|
|
393 "\\|" "unm[ \t]*"
|
|
|
394 "\\|" "^[ \t]*rep"
|
|
|
395 "\\)"))
|
|
|
396 (quit-regex2 (concat
|
|
|
397 "[a-zA-Z][ \t]*"
|
|
|
398 "\\(" "!" "\\|" ">>"
|
|
|
399 "\\|" "\\+[0-9]+"
|
|
|
400 "\\)"
|
|
|
401 "*[ \t]*$"))
|
|
|
402 (stay-regex (concat
|
|
|
403 "\\(" "^[ \t]*$"
|
|
|
404 "\\|" "[?/].*[?/].*"
|
|
|
405 "\\|" "[ktgjmsz][ \t]*$"
|
|
|
406 "\\|" "^[ \t]*ab.*"
|
|
|
407 "\\|" "tr[ansfer \t]*"
|
|
|
408 "\\|" "sr[ \t]*"
|
|
|
409 "\\|" "mo.*"
|
|
|
410 "\\|" "^[ \t]*k?ma[^p]*"
|
|
|
411 "\\|" "^[ \t]*fi.*"
|
|
|
412 "\\|" "v?gl.*"
|
|
|
413 "\\|" "[vg][ \t]*$"
|
|
|
414 "\\|" "jo.*"
|
|
|
415 "\\|" "^[ \t]*ta.*"
|
|
|
416 "\\|" "^[ \t]*una.*"
|
|
|
417 "\\|" "^[ \t]*su.*"
|
|
|
418 "\\|['`][a-z][ \t]*"
|
|
|
419 "\\|" "![ \t]*[a-zA-Z].*"
|
|
|
420 "\\)"
|
|
|
421 "!*")))
|
|
|
422
|
|
|
423 (save-window-excursion ;; put cursor at the end of the Ex working buffer
|
|
78
|
424 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
425 (set-buffer vip-ex-work-buf)
|
|
|
426 (goto-char (point-max)))
|
|
|
427 (cond ((vip-looking-back quit-regex1) (exit-minibuffer))
|
|
|
428 ((vip-looking-back stay-regex) (insert " "))
|
|
|
429 ((vip-looking-back quit-regex2) (exit-minibuffer))
|
|
|
430 (t (insert " ")))))
|
|
|
431
|
|
|
432 ;; complete Ex command
|
|
|
433 (defun ex-cmd-complete ()
|
|
|
434 (interactive)
|
|
|
435 (let (save-pos dist compl-list string-to-complete completion-result)
|
|
|
436
|
|
|
437 (save-excursion
|
|
|
438 (setq dist (skip-chars-backward "[a-zA-Z!=>&~]")
|
|
|
439 save-pos (point)))
|
|
|
440
|
|
|
441 (if (or (= dist 0)
|
|
|
442 (vip-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)")
|
|
|
443 (vip-looking-back
|
|
|
444 "^[ \t]*[a-zA-Z!=>&~][ \t]*[/?]*+[ \t]+[a-zA-Z!=>&~]+"))
|
|
|
445 ;; Preceding characters are not the ones allowed in an Ex command
|
|
|
446 ;; or we have typed past command name.
|
|
|
447 ;; Note: we didn't do parsing, so there may be surprises.
|
|
|
448 (if (or (vip-looking-back "[a-zA-Z!=>&~][ \t]*[/?]*[ \t]*")
|
|
|
449 (vip-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)")
|
|
|
450 (looking-at "[^ \t\n\C-m]"))
|
|
|
451 nil
|
|
|
452 (with-output-to-temp-buffer "*Completions*"
|
|
|
453 (display-completion-list
|
|
|
454 (vip-alist-to-list ex-token-alist))))
|
|
|
455 ;; Preceding chars may be part of a command name
|
|
|
456 (setq string-to-complete (buffer-substring save-pos (point)))
|
|
|
457 (setq completion-result
|
|
|
458 (try-completion string-to-complete ex-token-alist))
|
|
|
459
|
|
|
460 (cond ((eq completion-result t) ; exact match--do nothing
|
|
|
461 (vip-tmp-insert-at-eob " (Sole completion)"))
|
|
|
462 ((eq completion-result nil)
|
|
|
463 (vip-tmp-insert-at-eob " (No match)"))
|
|
|
464 (t ;; partial completion
|
|
|
465 (goto-char save-pos)
|
|
|
466 (delete-region (point) (point-max))
|
|
|
467 (insert completion-result)
|
|
|
468 (let (case-fold-search)
|
|
|
469 (setq compl-list
|
|
|
470 (vip-filter-alist (concat "^" completion-result)
|
|
|
471 ex-token-alist)))
|
|
|
472 (if (> (length compl-list) 1)
|
|
|
473 (with-output-to-temp-buffer "*Completions*"
|
|
|
474 (display-completion-list
|
|
|
475 (vip-alist-to-list (reverse compl-list)))))))
|
|
|
476 )))
|
|
|
477
|
|
|
478
|
|
|
479 ;; Read Ex commands
|
|
|
480 ;; Ex commands themselves are implemented in viper-ex.el
|
|
|
481 (defun vip-ex (&optional string)
|
|
|
482 (interactive)
|
|
|
483 (or string
|
|
|
484 (setq ex-g-flag nil
|
|
|
485 ex-g-variant nil))
|
|
|
486 (let* ((map (copy-keymap minibuffer-local-map))
|
|
|
487 (address nil)
|
|
|
488 (cont t)
|
|
|
489 (dot (point))
|
|
|
490 prev-token-type com-str)
|
|
|
491
|
|
|
492 (vip-add-keymap vip-ex-cmd-map map)
|
|
|
493
|
|
|
494 (setq com-str (or string (vip-read-string-with-history
|
|
|
495 ":"
|
|
|
496 nil
|
|
|
497 'vip-ex-history
|
|
|
498 (car vip-ex-history)
|
|
|
499 map)))
|
|
|
500 (save-window-excursion
|
|
|
501 ;; just a precaution
|
|
78
|
502 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
503 (set-buffer vip-ex-work-buf)
|
|
|
504 (delete-region (point-min) (point-max))
|
|
|
505 (insert com-str "\n")
|
|
|
506 (goto-char (point-min)))
|
|
|
507 (setq ex-token-type nil
|
|
|
508 ex-addresses nil)
|
|
|
509 (while cont
|
|
|
510 (vip-get-ex-token)
|
|
|
511 (cond ((memq ex-token-type '(command end-mark))
|
|
|
512 (if address (setq ex-addresses (cons address ex-addresses)))
|
|
|
513 (cond ((string= ex-token "global")
|
|
|
514 (ex-global nil)
|
|
|
515 (setq cont nil))
|
|
|
516 ((string= ex-token "vglobal")
|
|
|
517 (ex-global t)
|
|
|
518 (setq cont nil))
|
|
|
519 (t
|
|
|
520 (vip-execute-ex-command)
|
|
|
521 (save-window-excursion
|
|
78
|
522 (setq vip-ex-work-buf
|
|
|
523 (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
524 (set-buffer vip-ex-work-buf)
|
|
|
525 (skip-chars-forward " \t")
|
|
|
526 (cond ((looking-at "|")
|
|
|
527 (forward-char 1))
|
|
|
528 ((looking-at "\n")
|
|
|
529 (setq cont nil))
|
|
|
530 (t (error "`%s': %s" ex-token vip-SpuriousText)))
|
|
|
531 ))
|
|
|
532 ))
|
|
|
533 ((eq ex-token-type 'non-command)
|
|
|
534 (error "`%s': %s" ex-token vip-BadExCommand))
|
|
|
535 ((eq ex-token-type 'whole)
|
|
|
536 (setq address nil)
|
|
|
537 (setq ex-addresses
|
|
|
538 (if ex-addresses
|
|
|
539 (cons (point-max) ex-addresses)
|
|
|
540 (cons (point-max) (cons (point-min) ex-addresses)))))
|
|
|
541 ((eq ex-token-type 'comma)
|
|
|
542 (if (eq prev-token-type 'whole)
|
|
|
543 (setq address (point-min)))
|
|
|
544 (setq ex-addresses
|
|
|
545 (cons (if (null address) (point) address) ex-addresses)))
|
|
|
546 ((eq ex-token-type 'semi-colon)
|
|
|
547 (if (eq prev-token-type 'whole)
|
|
|
548 (setq address (point-min)))
|
|
|
549 (if address (setq dot address))
|
|
|
550 (setq ex-addresses
|
|
|
551 (cons (if (null address) (point) address) ex-addresses)))
|
|
|
552 (t (let ((ans (vip-get-ex-address-subr address dot)))
|
|
|
553 (if ans (setq address ans)))))
|
|
|
554 (setq prev-token-type ex-token-type))))
|
|
|
555
|
|
|
556
|
|
|
557 ;; Get a regular expression and set `ex-variant', if found
|
|
|
558 (defun vip-get-ex-pat ()
|
|
|
559 (save-window-excursion
|
|
78
|
560 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
561 (set-buffer vip-ex-work-buf)
|
|
|
562 (skip-chars-forward " \t")
|
|
|
563 (if (looking-at "!")
|
|
|
564 (progn
|
|
|
565 (setq ex-g-variant (not ex-g-variant)
|
|
|
566 ex-g-flag (not ex-g-flag))
|
|
|
567 (forward-char 1)
|
|
|
568 (skip-chars-forward " \t")))
|
|
|
569 (let ((c (following-char)))
|
|
|
570 (if (string-match "[0-9A-Za-z]" (format "%c" c))
|
|
|
571 (error
|
|
|
572 "Global regexp must be inside matching non-alphanumeric chars"))
|
|
|
573 (if (looking-at "[^\\\\\n]")
|
|
|
574 (progn
|
|
|
575 (forward-char 1)
|
|
|
576 (set-mark (point))
|
|
|
577 (let ((cont t))
|
|
|
578 (while (and (not (eolp)) cont)
|
|
|
579 (if (not (re-search-forward (format "[^%c]*%c" c c) nil t))
|
|
|
580 (if (member ex-token '("global" "vglobal"))
|
|
|
581 (error
|
|
|
582 "Missing closing delimiter for global regexp")
|
|
|
583 (goto-char (point-max))))
|
|
|
584 (if (not (vip-looking-back
|
|
|
585 (format "[^\\\\]\\(\\\\\\\\\\)*\\\\%c" c)))
|
|
|
586 (setq cont nil))))
|
|
|
587 (setq ex-token
|
|
|
588 (if (= (mark t) (point)) ""
|
|
|
589 (buffer-substring (1- (point)) (mark t))))
|
|
|
590 (backward-char 1))
|
|
|
591 (setq ex-token nil))
|
|
|
592 c)))
|
|
|
593
|
|
|
594 ;; get an ex command
|
|
|
595 (defun vip-get-ex-command ()
|
|
|
596 (save-window-excursion
|
|
78
|
597 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
598 (set-buffer vip-ex-work-buf)
|
|
|
599 (if (looking-at "/") (forward-char 1))
|
|
|
600 (skip-chars-forward " \t")
|
|
|
601 (cond ((looking-at "[a-z]")
|
|
|
602 (vip-get-ex-com-subr)
|
|
|
603 (if (eq ex-token-type 'non-command)
|
|
|
604 (error "`%s': %s" ex-token vip-BadExCommand)))
|
|
|
605 ((looking-at "[!=><&~]")
|
|
|
606 (setq ex-token (char-to-string (following-char)))
|
|
|
607 (forward-char 1))
|
|
|
608 (t (error vip-BadExCommand)))))
|
|
|
609
|
|
|
610 ;; Get an Ex option g or c
|
|
|
611 (defun vip-get-ex-opt-gc (c)
|
|
|
612 (save-window-excursion
|
|
78
|
613 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
614 (set-buffer vip-ex-work-buf)
|
|
|
615 (if (looking-at (format "%c" c)) (forward-char 1))
|
|
|
616 (skip-chars-forward " \t")
|
|
|
617 (cond ((looking-at "g")
|
|
|
618 (setq ex-token "g")
|
|
|
619 (forward-char 1)
|
|
|
620 t)
|
|
|
621 ((looking-at "c")
|
|
|
622 (setq ex-token "c")
|
|
|
623 (forward-char 1)
|
|
|
624 t)
|
|
|
625 (t nil))))
|
|
|
626
|
|
|
627 ;; Compute default addresses. WHOLE-FLAG means use the whole buffer
|
|
|
628 (defun vip-default-ex-addresses (&optional whole-flag)
|
|
|
629 (cond ((null ex-addresses)
|
|
|
630 (setq ex-addresses
|
|
|
631 (if whole-flag
|
|
|
632 (cons (point-max) (cons (point-min) nil))
|
|
|
633 (cons (point) (cons (point) nil)))))
|
|
|
634 ((null (cdr ex-addresses))
|
|
|
635 (setq ex-addresses
|
|
|
636 (cons (car ex-addresses) ex-addresses)))))
|
|
|
637
|
|
|
638 ;; Get an ex-address as a marker and set ex-flag if a flag is found
|
|
|
639 (defun vip-get-ex-address ()
|
|
70
|
640 (let ((address (point-marker)) (cont t))
|
|
0
|
641 (setq ex-token "")
|
|
|
642 (setq ex-flag nil)
|
|
|
643 (while cont
|
|
|
644 (vip-get-ex-token)
|
|
|
645 (cond ((eq ex-token-type 'command)
|
|
|
646 (if (member ex-token '("print" "list" "#"))
|
|
|
647 (progn
|
|
|
648 (setq ex-flag t
|
|
|
649 cont nil))
|
|
|
650 (error "Address expected in this Ex command")))
|
|
|
651 ((eq ex-token-type 'end-mark)
|
|
|
652 (setq cont nil))
|
|
|
653 ((eq ex-token-type 'whole)
|
|
|
654 (error "Trailing address expected"))
|
|
|
655 ((eq ex-token-type 'comma)
|
|
|
656 (error "`%s': %s" ex-token vip-SpuriousText))
|
|
|
657 (t (let ((ans (vip-get-ex-address-subr address (point-marker))))
|
|
|
658 (if ans (setq address ans))))))
|
|
|
659 address))
|
|
|
660
|
|
|
661 ;; Returns an address as a point
|
|
|
662 (defun vip-get-ex-address-subr (old-address dot)
|
|
|
663 (let ((address nil))
|
|
|
664 (if (null old-address) (setq old-address dot))
|
|
|
665 (cond ((eq ex-token-type 'dot)
|
|
|
666 (setq address dot))
|
|
|
667 ((eq ex-token-type 'add-number)
|
|
|
668 (save-excursion
|
|
|
669 (goto-char old-address)
|
|
|
670 (forward-line (if (= old-address 0) (1- ex-token) ex-token))
|
|
|
671 (setq address (point-marker))))
|
|
|
672 ((eq ex-token-type 'sub-number)
|
|
|
673 (save-excursion
|
|
|
674 (goto-char old-address)
|
|
|
675 (forward-line (- ex-token))
|
|
|
676 (setq address (point-marker))))
|
|
|
677 ((eq ex-token-type 'abs-number)
|
|
|
678 (save-excursion
|
|
|
679 (goto-char (point-min))
|
|
|
680 (if (= ex-token 0) (setq address 0)
|
|
|
681 (forward-line (1- ex-token))
|
|
|
682 (setq address (point-marker)))))
|
|
|
683 ((eq ex-token-type 'end)
|
|
|
684 (setq address (point-max-marker)))
|
|
|
685 ((eq ex-token-type 'plus) t) ; do nothing
|
|
|
686 ((eq ex-token-type 'minus) t) ; do nothing
|
|
|
687 ((eq ex-token-type 'search-forward)
|
|
|
688 (save-excursion
|
|
|
689 (ex-search-address t)
|
|
|
690 (setq address (point-marker))))
|
|
|
691 ((eq ex-token-type 'search-backward)
|
|
|
692 (save-excursion
|
|
|
693 (ex-search-address nil)
|
|
|
694 (setq address (point-marker))))
|
|
|
695 ((eq ex-token-type 'goto-mark)
|
|
|
696 (save-excursion
|
|
|
697 (if (null ex-token)
|
|
|
698 (exchange-point-and-mark)
|
|
|
699 (goto-char (vip-register-to-point
|
|
|
700 (1+ (- ex-token ?a)) 'enforce-buffer)))
|
|
|
701 (setq address (point-marker)))))
|
|
|
702 address))
|
|
|
703
|
|
|
704
|
|
|
705 ;; Search pattern and set address
|
|
|
706 (defun ex-search-address (forward)
|
|
|
707 (if (string= ex-token "")
|
|
|
708 (if (null vip-s-string)
|
|
|
709 (error vip-NoPrevSearch)
|
|
|
710 (setq ex-token vip-s-string))
|
|
|
711 (setq vip-s-string ex-token))
|
|
|
712 (if forward
|
|
|
713 (progn
|
|
|
714 (forward-line 1)
|
|
|
715 (re-search-forward ex-token))
|
|
|
716 (forward-line -1)
|
|
|
717 (re-search-backward ex-token)))
|
|
|
718
|
|
|
719 ;; Get a buffer name and set `ex-count' and `ex-flag' if found
|
|
|
720 (defun vip-get-ex-buffer ()
|
|
|
721 (setq ex-buffer nil)
|
|
|
722 (setq ex-count nil)
|
|
|
723 (setq ex-flag nil)
|
|
|
724 (save-window-excursion
|
|
78
|
725 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
726 (set-buffer vip-ex-work-buf)
|
|
|
727 (skip-chars-forward " \t")
|
|
|
728 (if (looking-at "[a-zA-Z]")
|
|
|
729 (progn
|
|
|
730 (setq ex-buffer (following-char))
|
|
|
731 (forward-char 1)
|
|
|
732 (skip-chars-forward " \t")))
|
|
|
733 (if (looking-at "[0-9]")
|
|
|
734 (progn
|
|
|
735 (set-mark (point))
|
|
|
736 (re-search-forward "[0-9][0-9]*")
|
|
|
737 (setq ex-count (string-to-int (buffer-substring (point) (mark t))))
|
|
|
738 (skip-chars-forward " \t")))
|
|
|
739 (if (looking-at "[pl#]")
|
|
|
740 (progn
|
|
|
741 (setq ex-flag t)
|
|
|
742 (forward-char 1)))
|
|
|
743 (if (not (looking-at "[\n|]"))
|
|
|
744 (error "`%s': %s" ex-token vip-SpuriousText))))
|
|
|
745
|
|
|
746 (defun vip-get-ex-count ()
|
|
|
747 (setq ex-variant nil
|
|
|
748 ex-count nil
|
|
|
749 ex-flag nil)
|
|
|
750 (save-window-excursion
|
|
78
|
751 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
752 (set-buffer vip-ex-work-buf)
|
|
|
753 (skip-chars-forward " \t")
|
|
|
754 (if (looking-at "!")
|
|
|
755 (progn
|
|
|
756 (setq ex-variant t)
|
|
|
757 (forward-char 1)))
|
|
|
758 (skip-chars-forward " \t")
|
|
|
759 (if (looking-at "[0-9]")
|
|
|
760 (progn
|
|
|
761 (set-mark (point))
|
|
|
762 (re-search-forward "[0-9][0-9]*")
|
|
|
763 (setq ex-count (string-to-int (buffer-substring (point) (mark t))))
|
|
|
764 (skip-chars-forward " \t")))
|
|
|
765 (if (looking-at "[pl#]")
|
|
|
766 (progn
|
|
|
767 (setq ex-flag t)
|
|
|
768 (forward-char 1)))
|
|
|
769 (if (not (looking-at "[\n|]"))
|
|
|
770 (error "`%s': %s"
|
|
|
771 (buffer-substring (point-min) (1- (point-max))) vip-BadExCommand))))
|
|
|
772
|
|
|
773 ;; Expand \% and \# in ex command
|
|
|
774 (defun ex-expand-filsyms (cmd buf)
|
|
|
775 (let (cf pf ret)
|
|
|
776 (save-excursion
|
|
|
777 (set-buffer buf)
|
|
|
778 (setq cf buffer-file-name)
|
|
|
779 (setq pf (ex-next nil t))) ; this finds alternative file name
|
|
|
780 (if (and (null cf) (string-match "[^\\]%\\|\\`%" cmd))
|
|
|
781 (error "No current file to substitute for `%%'"))
|
|
|
782 (if (and (null pf) (string-match "[^\\]#\\|\\`#" cmd))
|
|
|
783 (error "No alternate file to substitute for `#'"))
|
|
|
784 (save-excursion
|
|
|
785 (set-buffer (get-buffer-create vip-ex-tmp-buf-name))
|
|
|
786 (erase-buffer)
|
|
|
787 (insert cmd)
|
|
|
788 (goto-char (point-min))
|
|
|
789 (while (re-search-forward "%\\|#" nil t)
|
|
|
790 (let ((data (match-data))
|
|
|
791 (char (buffer-substring (match-beginning 0) (match-end 0))))
|
|
|
792 (if (vip-looking-back (concat "\\\\" char))
|
|
|
793 (replace-match char)
|
|
|
794 (store-match-data data)
|
|
|
795 (if (string= char "%")
|
|
|
796 (replace-match cf)
|
|
|
797 (replace-match pf)))))
|
|
|
798 (end-of-line)
|
|
|
799 (setq ret (buffer-substring (point-min) (point)))
|
|
|
800 (message "%s" ret))
|
|
|
801 ret))
|
|
|
802
|
|
|
803 ;; Get a file name and set ex-variant, `ex-append' and `ex-offset' if found
|
|
|
804 (defun vip-get-ex-file ()
|
|
|
805 (let (prompt)
|
|
|
806 (setq ex-file nil
|
|
|
807 ex-variant nil
|
|
|
808 ex-append nil
|
|
|
809 ex-offset nil
|
|
|
810 ex-cmdfile nil)
|
|
|
811 (save-excursion
|
|
|
812 (save-window-excursion
|
|
78
|
813 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
814 (set-buffer vip-ex-work-buf)
|
|
|
815 (skip-chars-forward " \t")
|
|
|
816 (if (looking-at "!")
|
|
|
817 (if (and (not (vip-looking-back "[ \t]"))
|
|
|
818 ;; read doesn't have a corresponding :r! form, so ! is
|
|
|
819 ;; immediately interpreted as a shell command.
|
|
|
820 (not (string= ex-token "read")))
|
|
|
821 (progn
|
|
|
822 (setq ex-variant t)
|
|
|
823 (forward-char 1)
|
|
|
824 (skip-chars-forward " \t"))
|
|
|
825 (setq ex-cmdfile t)
|
|
|
826 (forward-char 1)
|
|
|
827 (skip-chars-forward " \t")))
|
|
|
828 (if (looking-at ">>")
|
|
|
829 (progn
|
|
|
830 (setq ex-append t
|
|
|
831 ex-variant t)
|
|
|
832 (forward-char 2)
|
|
|
833 (skip-chars-forward " \t")))
|
|
|
834 (if (looking-at "+")
|
|
|
835 (progn
|
|
|
836 (forward-char 1)
|
|
|
837 (set-mark (point))
|
|
|
838 (re-search-forward "[ \t\n]")
|
|
|
839 (backward-char 1)
|
|
|
840 (setq ex-offset (buffer-substring (point) (mark t)))
|
|
|
841 (forward-char 1)
|
|
|
842 (skip-chars-forward " \t")))
|
|
|
843 ;; this takes care of :r, :w, etc., when they get file names
|
|
|
844 ;; from the history list
|
|
|
845 (if (member ex-token '("read" "write" "edit" "visual" "next"))
|
|
|
846 (progn
|
|
|
847 (setq ex-file (buffer-substring (point) (1- (point-max))))
|
|
|
848 (setq ex-file
|
|
|
849 ;; For :e, match multiple non-white strings separated
|
|
|
850 ;; by white. For others, find the first non-white string
|
|
|
851 (if (string-match
|
|
|
852 (if (string= ex-token "edit")
|
|
|
853 "[^ \t\n]+\\([ \t]+[^ \t\n]+\\)*"
|
|
|
854 "[^ \t\n]+")
|
|
|
855 ex-file)
|
|
|
856 (progn
|
|
|
857 ;; if file name comes from history, don't leave
|
|
|
858 ;; minibuffer when the user types space
|
|
|
859 (setq vip-incomplete-ex-cmd nil)
|
|
|
860 ;; this must be the last clause in this progn
|
|
|
861 (substring ex-file (match-beginning 0) (match-end 0))
|
|
|
862 )
|
|
|
863 ""))
|
|
|
864 ;; this leaves only the command name in the work area
|
|
|
865 ;; file names are gone
|
|
|
866 (delete-region (point) (1- (point-max)))
|
|
|
867 ))
|
|
|
868 (goto-char (point-max))
|
|
|
869 (skip-chars-backward " \t\n")
|
|
|
870 (setq prompt (buffer-substring (point-min) (point)))
|
|
|
871 ))
|
|
|
872
|
|
|
873 (setq vip-last-ex-prompt prompt)
|
|
|
874
|
|
|
875 ;; If we just finished reading command, redisplay prompt
|
|
|
876 (if vip-incomplete-ex-cmd
|
|
|
877 (setq ex-file (vip-ex-read-file-name (format ":%s " prompt)))
|
|
|
878 ;; file was typed in-line
|
|
|
879 (setq ex-file (or ex-file "")))
|
|
|
880 ))
|
|
|
881
|
|
|
882
|
|
|
883 ;; Completes file name or exits minibuffer. If Ex command accepts multiple
|
|
|
884 ;; file names, arranges to re-enter the minibuffer.
|
|
|
885 (defun vip-complete-filename-or-exit ()
|
|
|
886 (interactive)
|
|
|
887 (setq vip-keep-reading-filename t)
|
|
|
888 ;; don't exit if directory---ex-commands don't
|
|
|
889 (cond ((ex-cmd-accepts-multiple-files-p ex-token) (exit-minibuffer))
|
|
|
890 ;; apparently the argument to an Ex command is
|
|
|
891 ;; supposed to be a shell command
|
|
|
892 ((vip-looking-back "^[ \t]*!.*")
|
|
|
893 (setq ex-cmdfile t)
|
|
|
894 (insert " "))
|
|
|
895 (t
|
|
|
896 (setq ex-cmdfile nil)
|
|
|
897 (minibuffer-complete-word))))
|
|
|
898
|
|
|
899 (defun vip-handle-! ()
|
|
|
900 (interactive)
|
|
|
901 (if (and (string=
|
|
|
902 (buffer-string) (vip-abbreviate-file-name default-directory))
|
|
|
903 (member ex-token '("read" "write")))
|
|
|
904 (erase-buffer))
|
|
|
905 (insert "!"))
|
|
|
906
|
|
|
907 (defun ex-cmd-accepts-multiple-files-p (token)
|
|
|
908 (member token '("edit" "next" "Next")))
|
|
|
909
|
|
|
910 ;; If user doesn't enter anything, then "" is returned, i.e., the
|
|
|
911 ;; prompt-directory is not returned.
|
|
|
912 (defun vip-ex-read-file-name (prompt)
|
|
|
913 (let* ((str "")
|
|
|
914 (minibuffer-local-completion-map
|
|
|
915 (copy-keymap minibuffer-local-completion-map))
|
|
|
916 beg end cont val)
|
|
|
917
|
|
|
918 (vip-add-keymap ex-read-filename-map
|
|
|
919 (if vip-emacs-p
|
|
|
920 minibuffer-local-completion-map
|
|
|
921 read-file-name-map))
|
|
|
922
|
|
|
923 (setq cont (setq vip-keep-reading-filename t))
|
|
|
924 (while cont
|
|
|
925 (setq vip-keep-reading-filename nil
|
|
|
926 val (read-file-name (concat prompt str) nil default-directory))
|
|
|
927 (if (string-match " " val)
|
|
|
928 (setq val (concat "\\\"" val "\\\"")))
|
|
|
929 (setq str (concat str (if (equal val "") "" " ")
|
|
|
930 val (if (equal val "") "" " ")))
|
|
|
931
|
|
|
932 ;; Only edit, next, and Next commands accept multiple files.
|
|
|
933 ;; vip-keep-reading-filename is set in the anonymous function that is
|
|
|
934 ;; bound to " " in ex-read-filename-map.
|
|
|
935 (setq cont (and vip-keep-reading-filename
|
|
|
936 (ex-cmd-accepts-multiple-files-p ex-token)))
|
|
|
937 )
|
|
|
938
|
|
|
939 (setq beg (string-match "[^ \t]" str) ; delete leading blanks
|
|
|
940 end (string-match "[ \t]*$" str)) ; delete trailing blanks
|
|
|
941 (if (member ex-token '("read" "write"))
|
|
|
942 (if (string-match "[\t ]*!" str)
|
|
|
943 ;; this is actually a shell command
|
|
|
944 (progn
|
|
|
945 (setq ex-cmdfile t)
|
|
|
946 (setq beg (1+ beg))
|
|
|
947 (setq vip-last-ex-prompt (concat vip-last-ex-prompt " !")))))
|
|
|
948 (substring str (or beg 0) end)))
|
|
|
949
|
|
|
950 ;; Execute ex command using the value of addresses
|
|
|
951 (defun vip-execute-ex-command ()
|
|
|
952 (vip-deactivate-mark)
|
|
|
953 (cond ((string= ex-token "args") (ex-args))
|
|
|
954 ((string= ex-token "copy") (ex-copy nil))
|
|
|
955 ((string= ex-token "cd") (ex-cd))
|
|
|
956 ((string= ex-token "chdir") (ex-cd))
|
|
|
957 ((string= ex-token "delete") (ex-delete))
|
|
|
958 ((string= ex-token "edit") (ex-edit))
|
|
|
959 ((string= ex-token "file") (vip-info-on-file))
|
|
|
960 ((string= ex-token "goto") (ex-goto))
|
|
|
961 ((string= ex-token "help") (ex-help))
|
|
|
962 ((string= ex-token "join") (ex-line "join"))
|
|
|
963 ((string= ex-token "kmark") (ex-mark))
|
|
|
964 ((string= ex-token "mark") (ex-mark))
|
|
|
965 ((string= ex-token "map") (ex-map))
|
|
|
966 ((string= ex-token "move") (ex-copy t))
|
|
|
967 ((string= ex-token "next") (ex-next ex-cycle-other-window))
|
|
|
968 ((string= ex-token "Next") (ex-next (not ex-cycle-other-window)))
|
|
|
969 ((string= ex-token "RelatedFile") (ex-next-related-buffer 1))
|
|
|
970 ((string= ex-token "put") (ex-put))
|
|
|
971 ((string= ex-token "pwd") (ex-pwd))
|
|
|
972 ((string= ex-token "preserve") (ex-preserve))
|
|
|
973 ((string= ex-token "PreviousRelatedFile") (ex-next-related-buffer -1))
|
|
|
974 ((string= ex-token "quit") (ex-quit))
|
|
|
975 ((string= ex-token "read") (ex-read))
|
|
|
976 ((string= ex-token "recover") (ex-recover))
|
|
|
977 ((string= ex-token "rewind") (ex-rewind))
|
|
|
978 ((string= ex-token "submitReport") (vip-submit-report))
|
|
|
979 ((string= ex-token "set") (ex-set))
|
|
|
980 ((string= ex-token "shell") (ex-shell))
|
|
|
981 ((string= ex-token "source") (ex-source))
|
|
|
982 ((string= ex-token "sr") (ex-substitute t t))
|
|
|
983 ((string= ex-token "substitute") (ex-substitute))
|
|
|
984 ((string= ex-token "suspend") (suspend-emacs))
|
|
|
985 ((string= ex-token "stop") (suspend-emacs))
|
|
|
986 ((string= ex-token "transfer") (ex-copy nil))
|
|
|
987 ((string= ex-token "buffer") (if ex-cycle-other-window
|
|
|
988 (vip-switch-to-buffer-other-window)
|
|
|
989 (vip-switch-to-buffer)))
|
|
|
990 ((string= ex-token "Buffer") (if ex-cycle-other-window
|
|
|
991 (vip-switch-to-buffer)
|
|
|
992 (vip-switch-to-buffer-other-window)))
|
|
|
993 ((string= ex-token "tag") (ex-tag))
|
|
|
994 ((string= ex-token "undo") (vip-undo))
|
|
|
995 ((string= ex-token "unmap") (ex-unmap))
|
|
|
996 ((string= ex-token "version") (vip-version))
|
|
|
997 ((string= ex-token "visual") (ex-edit))
|
|
|
998 ((string= ex-token "write") (ex-write nil))
|
|
|
999 ((string= ex-token "Write") (save-some-buffers))
|
|
|
1000 ((string= ex-token "wq") (ex-write t))
|
|
|
1001 ((string= ex-token "WWrite") (save-some-buffers t)) ; don't ask
|
|
|
1002 ((string= ex-token "xit") (ex-write t))
|
|
|
1003 ((string= ex-token "yank") (ex-yank))
|
|
|
1004 ((string= ex-token "!") (ex-command))
|
|
|
1005 ((string= ex-token "=") (ex-line-no))
|
|
|
1006 ((string= ex-token ">") (ex-line "right"))
|
|
|
1007 ((string= ex-token "<") (ex-line "left"))
|
|
|
1008 ((string= ex-token "&") (ex-substitute t))
|
|
|
1009 ((string= ex-token "~") (ex-substitute t t))
|
|
|
1010 ((or (string= ex-token "append")
|
|
|
1011 (string= ex-token "change")
|
|
|
1012 (string= ex-token "insert")
|
|
|
1013 (string= ex-token "open"))
|
|
|
1014 (error "`%s': Obsolete command, not supported by Viper" ex-token))
|
|
|
1015 ((or (string= ex-token "abbreviate")
|
|
|
1016 (string= ex-token "unabbreviate"))
|
|
|
1017 (error
|
|
|
1018 "`%s': Vi abbrevs are obsolete. Use the more powerful Emacs abbrevs"
|
|
|
1019 ex-token))
|
|
|
1020 ((or (string= ex-token "list")
|
|
|
1021 (string= ex-token "print")
|
|
|
1022 (string= ex-token "z")
|
|
|
1023 (string= ex-token "#"))
|
|
|
1024 (error "`%s': Command not implemented in Viper" ex-token))
|
|
|
1025 (t (error "`%s': %s" ex-token vip-BadExCommand))))
|
|
|
1026
|
|
|
1027 (defun vip-undisplayed-files ()
|
|
|
1028 (mapcar
|
|
|
1029 (function
|
|
|
1030 (lambda (b)
|
|
|
1031 (if (null (get-buffer-window b))
|
|
|
1032 (let ((f (buffer-file-name b)))
|
|
|
1033 (if f f
|
|
|
1034 (if ex-cycle-through-non-files
|
|
|
1035 (let ((s (buffer-name b)))
|
|
|
1036 (if (string= " " (substring s 0 1))
|
|
|
1037 nil
|
|
|
1038 s))
|
|
|
1039 nil)))
|
|
|
1040 nil)))
|
|
|
1041 (buffer-list)))
|
|
|
1042
|
|
|
1043
|
|
|
1044 (defun ex-args ()
|
|
|
1045 (let ((l (vip-undisplayed-files))
|
|
|
1046 (args "")
|
|
|
1047 (file-count 1))
|
|
|
1048 (while (not (null l))
|
|
|
1049 (if (car l)
|
|
|
1050 (setq args (format "%s %d) %s\n" args file-count (car l))
|
|
|
1051 file-count (1+ file-count)))
|
|
|
1052 (setq l (cdr l)))
|
|
|
1053 (if (string= args "")
|
|
|
1054 (message "All files are already displayed")
|
|
|
1055 (save-excursion
|
|
|
1056 (save-window-excursion
|
|
|
1057 (with-output-to-temp-buffer " *vip-info*"
|
|
|
1058 (princ "\n\nThese files are not displayed in any window.\n")
|
|
|
1059 (princ "\n=============\n")
|
|
|
1060 (princ args)
|
|
|
1061 (princ "\n=============\n")
|
|
|
1062 (princ "\nThe numbers can be given as counts to :next. ")
|
|
|
1063 (princ "\n\nPress any key to continue...\n\n"))
|
|
|
1064 (vip-read-event))))))
|
|
|
1065
|
|
|
1066 ;; Ex cd command. Default directory of this buffer changes
|
|
|
1067 (defun ex-cd ()
|
|
|
1068 (vip-get-ex-file)
|
|
|
1069 (if (string= ex-file "")
|
|
|
1070 (setq ex-file "~"))
|
|
|
1071 (setq default-directory (file-name-as-directory (expand-file-name ex-file))))
|
|
|
1072
|
|
|
1073 ;; Ex copy and move command. DEL-FLAG means delete
|
|
|
1074 (defun ex-copy (del-flag)
|
|
|
1075 (vip-default-ex-addresses)
|
|
|
1076 (let ((address (vip-get-ex-address))
|
|
|
1077 (end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
|
|
1078 (goto-char end)
|
|
|
1079 (save-excursion
|
|
|
1080 (push-mark beg t)
|
|
|
1081 (vip-enlarge-region (mark t) (point))
|
|
|
1082 (if del-flag
|
|
|
1083 (kill-region (point) (mark t))
|
|
|
1084 (copy-region-as-kill (point) (mark t)))
|
|
|
1085 (if ex-flag
|
|
|
1086 (progn
|
|
|
1087 (with-output-to-temp-buffer "*copy text*"
|
|
|
1088 (princ
|
|
|
1089 (if (or del-flag ex-g-flag ex-g-variant)
|
|
|
1090 (current-kill 0)
|
|
|
1091 (buffer-substring (point) (mark t)))))
|
|
|
1092 (condition-case nil
|
|
|
1093 (progn
|
|
|
1094 (read-string "[Hit return to continue] ")
|
|
|
1095 (save-excursion (kill-buffer "*copy text*")))
|
|
|
1096 (quit (save-excursion (kill-buffer "*copy text*"))
|
|
|
1097 (signal 'quit nil))))))
|
|
|
1098 (if (= address 0)
|
|
|
1099 (goto-char (point-min))
|
|
|
1100 (goto-char address)
|
|
|
1101 (forward-line 1))
|
|
|
1102 (insert (current-kill 0))))
|
|
|
1103
|
|
|
1104 ;; Ex delete command
|
|
|
1105 (defun ex-delete ()
|
|
|
1106 (vip-default-ex-addresses)
|
|
|
1107 (vip-get-ex-buffer)
|
|
|
1108 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
|
|
1109 (if (> beg end) (error vip-FirstAddrExceedsSecond))
|
|
|
1110 (save-excursion
|
|
|
1111 (vip-enlarge-region beg end)
|
|
|
1112 (exchange-point-and-mark)
|
|
|
1113 (if ex-count
|
|
|
1114 (progn
|
|
|
1115 (set-mark (point))
|
|
|
1116 (forward-line (1- ex-count)))
|
|
|
1117 (set-mark end))
|
|
|
1118 (vip-enlarge-region (point) (mark t))
|
|
|
1119 (if ex-flag
|
|
|
1120 ;; show text to be deleted and ask for confirmation
|
|
|
1121 (progn
|
|
|
1122 (with-output-to-temp-buffer " *delete text*"
|
|
|
1123 (princ (buffer-substring (point) (mark t))))
|
|
|
1124 (condition-case nil
|
|
|
1125 (read-string "[Hit return to continue] ")
|
|
|
1126 (quit
|
|
|
1127 (save-excursion (kill-buffer " *delete text*"))
|
|
|
1128 (error "")))
|
|
|
1129 (save-excursion (kill-buffer " *delete text*")))
|
|
|
1130 (if ex-buffer
|
|
|
1131 (cond ((vip-valid-register ex-buffer '(Letter))
|
|
|
1132 (vip-append-to-register
|
|
|
1133 (downcase ex-buffer) (point) (mark t)))
|
|
|
1134 ((vip-valid-register ex-buffer)
|
|
|
1135 (copy-to-register ex-buffer (point) (mark t) nil))
|
|
|
1136 (t (error vip-InvalidRegister ex-buffer))))
|
|
|
1137 (kill-region (point) (mark t))))))
|
|
|
1138
|
|
|
1139
|
|
|
1140
|
|
|
1141 ;; Ex edit command
|
|
|
1142 ;; In Viper, `e' and `e!' behave identically. In both cases, the user is
|
|
|
1143 ;; asked if current buffer should really be discarded.
|
|
|
1144 ;; This command can take multiple file names. It replaces the current buffer
|
|
|
1145 ;; with the first file in its argument list
|
|
|
1146 (defun ex-edit (&optional file)
|
|
|
1147 (if (not file)
|
|
|
1148 (vip-get-ex-file))
|
|
|
1149 (cond ((and (string= ex-file "") buffer-file-name)
|
|
|
1150 (setq ex-file (vip-abbreviate-file-name (buffer-file-name))))
|
|
|
1151 ((string= ex-file "")
|
|
|
1152 (error vip-NoFileSpecified)))
|
|
|
1153
|
|
|
1154 (let (msg do-edit)
|
|
|
1155 (if buffer-file-name
|
|
|
1156 (cond ((buffer-modified-p)
|
|
|
1157 (setq msg
|
|
|
1158 (format "Buffer %s is modified. Discard changes? "
|
|
|
1159 (buffer-name))
|
|
|
1160 do-edit t))
|
|
|
1161 ((not (verify-visited-file-modtime (current-buffer)))
|
|
|
1162 (setq msg
|
|
|
1163 (format "File %s changed on disk. Reread from disk? "
|
|
|
1164 buffer-file-name)
|
|
|
1165 do-edit t))
|
|
|
1166 (t (setq do-edit nil))))
|
|
|
1167
|
|
|
1168 (if do-edit
|
|
|
1169 (if (yes-or-no-p msg)
|
|
|
1170 (progn
|
|
|
1171 (set-buffer-modified-p nil)
|
|
|
1172 (kill-buffer (current-buffer)))
|
|
|
1173 (message "Buffer %s was left intact" (buffer-name))))
|
|
|
1174 ) ; let
|
|
|
1175
|
|
|
1176 (if (null (setq file (get-file-buffer ex-file)))
|
|
|
1177 (progn
|
|
|
1178 (ex-find-file ex-file)
|
|
78
|
1179 (or (eq major-mode 'dired-mode)
|
|
|
1180 (vip-change-state-to-vi))
|
|
0
|
1181 (goto-char (point-min)))
|
|
|
1182 (switch-to-buffer file))
|
|
|
1183 (if ex-offset
|
|
|
1184 (progn
|
|
|
1185 (save-window-excursion
|
|
78
|
1186 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
1187 (set-buffer vip-ex-work-buf)
|
|
|
1188 (delete-region (point-min) (point-max))
|
|
|
1189 (insert ex-offset "\n")
|
|
|
1190 (goto-char (point-min)))
|
|
|
1191 (goto-char (vip-get-ex-address))
|
|
|
1192 (beginning-of-line)))
|
|
|
1193 (ex-fixup-history vip-last-ex-prompt ex-file))
|
|
|
1194
|
|
78
|
1195 ;; Find-file FILESPEC if it appears to specify a single file.
|
|
|
1196 ;; Otherwise, assume that FILES{EC is a wildcard.
|
|
|
1197 ;; In this case, split it into substrings separated by newlines.
|
|
0
|
1198 ;; Each line is assumed to be a file name. find-file's each file thus obtained.
|
|
|
1199 (defun ex-find-file (filespec)
|
|
78
|
1200 (let ((nonstandard-filename-chars "[^-a-zA-Z0-9_./,~$\\]"))
|
|
|
1201 (cond ((file-exists-p filespec) (find-file filespec))
|
|
|
1202 ((string-match nonstandard-filename-chars filespec)
|
|
|
1203 (funcall ex-nontrivial-find-file-function filespec))
|
|
|
1204 (t (find-file filespec)))
|
|
0
|
1205 ))
|
|
|
1206
|
|
|
1207
|
|
|
1208 ;; Ex global command
|
|
|
1209 (defun ex-global (variant)
|
|
|
1210 (let ((gcommand ex-token))
|
|
|
1211 (if (or ex-g-flag ex-g-variant)
|
|
|
1212 (error "`%s' within `global' is not allowed" gcommand)
|
|
|
1213 (if variant
|
|
|
1214 (setq ex-g-flag nil
|
|
|
1215 ex-g-variant t)
|
|
|
1216 (setq ex-g-flag t
|
|
|
1217 ex-g-variant nil)))
|
|
|
1218 (vip-get-ex-pat)
|
|
|
1219 (if (null ex-token)
|
|
|
1220 (error "`%s': Missing regular expression" gcommand)))
|
|
|
1221
|
|
|
1222 (if (string= ex-token "")
|
|
|
1223 (if (null vip-s-string)
|
|
|
1224 (error vip-NoPrevSearch)
|
|
|
1225 (setq ex-g-pat vip-s-string))
|
|
|
1226 (setq ex-g-pat ex-token
|
|
|
1227 vip-s-string ex-token))
|
|
|
1228 (if (null ex-addresses)
|
|
|
1229 (setq ex-addresses (list (point-max) (point-min)))
|
|
|
1230 (vip-default-ex-addresses))
|
|
|
1231 (let ((marks nil) (mark-count 0)
|
|
|
1232 com-str (end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
|
|
1233 (if (> beg end) (error vip-FirstAddrExceedsSecond))
|
|
|
1234 (save-excursion
|
|
|
1235 (vip-enlarge-region beg end)
|
|
|
1236 (exchange-point-and-mark)
|
|
|
1237 (let ((cont t) (limit (point-marker)))
|
|
|
1238 (exchange-point-and-mark)
|
|
|
1239 ;; skip the last line if empty
|
|
|
1240 (beginning-of-line)
|
|
|
1241 (if (eobp) (vip-backward-char-carefully))
|
|
|
1242 (while (and cont (not (bobp)) (>= (point) limit))
|
|
|
1243 (beginning-of-line)
|
|
|
1244 (set-mark (point))
|
|
|
1245 (end-of-line)
|
|
|
1246 (let ((found (re-search-backward ex-g-pat (mark t) t)))
|
|
|
1247 (if (or (and ex-g-flag found)
|
|
|
1248 (and ex-g-variant (not found)))
|
|
|
1249 (progn
|
|
|
1250 (end-of-line)
|
|
|
1251 (setq mark-count (1+ mark-count))
|
|
|
1252 (setq marks (cons (point-marker) marks)))))
|
|
|
1253 (beginning-of-line)
|
|
|
1254 (if (bobp) (setq cont nil)
|
|
|
1255 (forward-line -1)
|
|
|
1256 (end-of-line)))))
|
|
|
1257 (save-window-excursion
|
|
78
|
1258 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
1259 (set-buffer vip-ex-work-buf)
|
|
|
1260 (setq com-str (buffer-substring (1+ (point)) (1- (point-max)))))
|
|
|
1261 (while marks
|
|
|
1262 (goto-char (car marks))
|
|
|
1263 (vip-ex com-str)
|
|
|
1264 (setq mark-count (1- mark-count))
|
|
|
1265 (setq marks (cdr marks)))))
|
|
|
1266
|
|
|
1267 ;; Ex goto command
|
|
|
1268 (defun ex-goto ()
|
|
|
1269 (if (null ex-addresses)
|
|
|
1270 (setq ex-addresses (cons (point) nil)))
|
|
|
1271 (push-mark (point) t)
|
|
|
1272 (goto-char (car ex-addresses))
|
|
|
1273 (beginning-of-line))
|
|
|
1274
|
|
|
1275 ;; Ex line commands. COM is join, shift-right or shift-left
|
|
|
1276 (defun ex-line (com)
|
|
|
1277 (vip-default-ex-addresses)
|
|
|
1278 (vip-get-ex-count)
|
|
|
1279 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))) point)
|
|
|
1280 (if (> beg end) (error vip-FirstAddrExceedsSecond))
|
|
|
1281 (save-excursion
|
|
|
1282 (vip-enlarge-region beg end)
|
|
|
1283 (exchange-point-and-mark)
|
|
|
1284 (if ex-count
|
|
|
1285 (progn
|
|
|
1286 (set-mark (point))
|
|
|
1287 (forward-line ex-count)))
|
|
|
1288 (if ex-flag
|
|
|
1289 ;; show text to be joined and ask for confirmation
|
|
|
1290 (progn
|
|
|
1291 (with-output-to-temp-buffer " *text*"
|
|
|
1292 (princ (buffer-substring (point) (mark t))))
|
|
|
1293 (condition-case nil
|
|
|
1294 (progn
|
|
|
1295 (read-string "[Hit return to continue] ")
|
|
|
1296 (ex-line-subr com (point) (mark t)))
|
|
|
1297 (quit (ding)))
|
|
|
1298 (save-excursion (kill-buffer " *text*")))
|
|
|
1299 (ex-line-subr com (point) (mark t)))
|
|
|
1300 (setq point (point)))
|
|
|
1301 (goto-char (1- point))
|
|
|
1302 (beginning-of-line)))
|
|
|
1303
|
|
|
1304 (defun ex-line-subr (com beg end)
|
|
|
1305 (cond ((string= com "join")
|
|
|
1306 (goto-char (min beg end))
|
|
|
1307 (while (and (not (eobp)) (< (point) (max beg end)))
|
|
|
1308 (end-of-line)
|
|
|
1309 (if (and (<= (point) (max beg end)) (not (eobp)))
|
|
|
1310 (progn
|
|
|
1311 (forward-line 1)
|
|
|
1312 (delete-region (point) (1- (point)))
|
|
|
1313 (if (not ex-variant) (fixup-whitespace))))))
|
|
|
1314 ((or (string= com "right") (string= com "left"))
|
|
|
1315 (indent-rigidly
|
|
|
1316 (min beg end) (max beg end)
|
|
|
1317 (if (string= com "right") vip-shift-width (- vip-shift-width)))
|
|
|
1318 (goto-char (max beg end))
|
|
|
1319 (end-of-line)
|
|
|
1320 (vip-forward-char-carefully))))
|
|
|
1321
|
|
|
1322
|
|
|
1323 ;; Ex mark command
|
|
|
1324 (defun ex-mark ()
|
|
|
1325 (let (char)
|
|
|
1326 (if (null ex-addresses)
|
|
|
1327 (setq ex-addresses
|
|
|
1328 (cons (point) nil)))
|
|
|
1329 (save-window-excursion
|
|
78
|
1330 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
1331 (set-buffer vip-ex-work-buf)
|
|
|
1332 (skip-chars-forward " \t")
|
|
|
1333 (if (looking-at "[a-z]")
|
|
|
1334 (progn
|
|
|
1335 (setq char (following-char))
|
|
|
1336 (forward-char 1)
|
|
|
1337 (skip-chars-forward " \t")
|
|
|
1338 (if (not (looking-at "[\n|]"))
|
|
|
1339 (error "`%s': %s" ex-token vip-SpuriousText)))
|
|
|
1340 (error "`%s' requires a following letter" ex-token)))
|
|
|
1341 (save-excursion
|
|
|
1342 (goto-char (car ex-addresses))
|
|
|
1343 (point-to-register (1+ (- char ?a))))))
|
|
|
1344
|
|
|
1345
|
|
|
1346
|
|
|
1347 ;; Alternate file is the file next to the first one in the buffer ring
|
|
|
1348 (defun ex-next (cycle-other-window &optional find-alt-file)
|
|
|
1349 (catch 'ex-edit
|
|
|
1350 (let (count l)
|
|
|
1351 (if (not find-alt-file)
|
|
|
1352 (progn
|
|
|
1353 (vip-get-ex-file)
|
|
|
1354 (if (or (char-or-string-p ex-offset)
|
|
|
1355 (and (not (string= "" ex-file))
|
|
|
1356 (not (string-match "^[0-9]+$" ex-file))))
|
|
|
1357 (progn
|
|
|
1358 (ex-edit t)
|
|
|
1359 (throw 'ex-edit nil))
|
|
|
1360 (setq count (string-to-int ex-file))
|
|
|
1361 (if (= count 0) (setq count 1))
|
|
|
1362 (if (< count 0) (error "Usage: `next <count>' (count >= 0)"))))
|
|
|
1363 (setq count 1))
|
|
|
1364 (setq l (vip-undisplayed-files))
|
|
|
1365 (while (> count 0)
|
|
|
1366 (while (and (not (null l)) (null (car l)))
|
|
|
1367 (setq l (cdr l)))
|
|
|
1368 (setq count (1- count))
|
|
|
1369 (if (> count 0)
|
|
|
1370 (setq l (cdr l))))
|
|
|
1371 (if find-alt-file (car l)
|
|
|
1372 (progn
|
|
|
1373 (if (and (car l) (get-file-buffer (car l)))
|
|
|
1374 (let* ((w (if cycle-other-window
|
|
|
1375 (get-lru-window) (selected-window)))
|
|
|
1376 (b (window-buffer w)))
|
|
|
1377 (set-window-buffer w (get-file-buffer (car l)))
|
|
|
1378 (bury-buffer b)
|
|
|
1379 ;; this puts "next <count>" in the ex-command history
|
|
|
1380 (ex-fixup-history vip-last-ex-prompt ex-file))
|
|
|
1381 (error "Not that many undisplayed files")))))))
|
|
|
1382
|
|
|
1383
|
|
|
1384 (defun ex-next-related-buffer (direction &optional no-recursion)
|
|
|
1385
|
|
|
1386 (vip-ring-rotate1 vip-related-files-and-buffers-ring direction)
|
|
|
1387
|
|
|
1388 (let ((file-or-buffer-name
|
|
|
1389 (vip-current-ring-item vip-related-files-and-buffers-ring))
|
|
|
1390 (old-ring vip-related-files-and-buffers-ring)
|
|
|
1391 (old-win (selected-window))
|
|
|
1392 skip-rest buf wind)
|
|
|
1393
|
|
|
1394 (or (and (ring-p vip-related-files-and-buffers-ring)
|
|
|
1395 (> (ring-length vip-related-files-and-buffers-ring) 0))
|
|
|
1396 (error "This buffer has no related files or buffers"))
|
|
|
1397
|
|
|
1398 (or (stringp file-or-buffer-name)
|
|
|
1399 (error
|
|
|
1400 "File and buffer names must be strings, %S" file-or-buffer-name))
|
|
|
1401
|
|
|
1402 (setq buf (cond ((get-buffer file-or-buffer-name))
|
|
|
1403 ((file-exists-p file-or-buffer-name)
|
|
|
1404 (find-file-noselect file-or-buffer-name))
|
|
|
1405 ))
|
|
|
1406
|
|
|
1407 (if (not (vip-buffer-live-p buf))
|
|
|
1408 (error "Didn't find buffer %S or file %S"
|
|
|
1409 file-or-buffer-name
|
|
|
1410 (vip-abbreviate-file-name
|
|
|
1411 (expand-file-name file-or-buffer-name))))
|
|
|
1412
|
|
|
1413 (if (equal buf (current-buffer))
|
|
|
1414 (or no-recursion
|
|
|
1415 ;; try again
|
|
|
1416 (progn
|
|
|
1417 (setq skip-rest t)
|
|
|
1418 (ex-next-related-buffer direction 'norecursion))))
|
|
|
1419
|
|
|
1420 (if skip-rest
|
|
|
1421 ()
|
|
|
1422 ;; setup buffer
|
|
|
1423 (if (setq wind (vip-get-visible-buffer-window buf))
|
|
|
1424 ()
|
|
|
1425 (setq wind (get-lru-window (if vip-xemacs-p nil 'visible)))
|
|
|
1426 (set-window-buffer wind buf))
|
|
|
1427
|
|
|
1428 (if (vip-window-display-p)
|
|
|
1429 (progn
|
|
|
1430 (raise-frame (window-frame wind))
|
|
|
1431 (if (equal (window-frame wind) (window-frame old-win))
|
|
|
1432 (save-window-excursion (select-window wind) (sit-for 1))
|
|
|
1433 (select-window wind)))
|
|
|
1434 (save-window-excursion (select-window wind) (sit-for 1)))
|
|
|
1435
|
|
|
1436 (save-excursion
|
|
|
1437 (set-buffer buf)
|
|
|
1438 (setq vip-related-files-and-buffers-ring old-ring))
|
|
|
1439
|
|
|
1440 (setq vip-local-search-start-marker (point-marker))
|
|
|
1441 )))
|
|
|
1442
|
|
|
1443
|
|
|
1444 ;; Force auto save
|
|
|
1445 (defun ex-preserve ()
|
|
|
1446 (message "Autosaving all buffers that need to be saved...")
|
|
|
1447 (do-auto-save t))
|
|
|
1448
|
|
|
1449 ;; Ex put
|
|
|
1450 (defun ex-put ()
|
|
|
1451 (let ((point (if (null ex-addresses) (point) (car ex-addresses))))
|
|
|
1452 (vip-get-ex-buffer)
|
|
|
1453 (setq vip-use-register ex-buffer)
|
|
|
1454 (goto-char point)
|
|
|
1455 (if (bobp) (vip-Put-back 1) (vip-put-back 1))))
|
|
|
1456
|
|
|
1457 ;; Ex print working directory
|
|
|
1458 (defun ex-pwd ()
|
|
|
1459 (message default-directory))
|
|
|
1460
|
|
|
1461 ;; Ex quit command
|
|
|
1462 (defun ex-quit ()
|
|
|
1463 ;; skip "!", if it is q!. In Viper q!, w!, etc., behave as q, w, etc.
|
|
|
1464 (save-excursion
|
|
78
|
1465 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
1466 (set-buffer vip-ex-work-buf)
|
|
|
1467 (if (looking-at "!") (forward-char 1)))
|
|
|
1468 (if (< vip-expert-level 3)
|
|
|
1469 (save-buffers-kill-emacs)
|
|
|
1470 (kill-buffer (current-buffer))))
|
|
|
1471
|
|
|
1472
|
|
|
1473 ;; Ex read command
|
|
|
1474 (defun ex-read ()
|
|
|
1475 (vip-get-ex-file)
|
|
|
1476 (let ((point (if (null ex-addresses) (point) (car ex-addresses)))
|
|
|
1477 command)
|
|
|
1478 (goto-char point)
|
|
|
1479 (vip-add-newline-at-eob-if-necessary)
|
|
|
1480 (if (not (or (bobp) (eobp))) (forward-line 1))
|
|
|
1481 (if (and (not ex-variant) (string= ex-file ""))
|
|
|
1482 (progn
|
|
|
1483 (if (null buffer-file-name)
|
|
|
1484 (error vip-NoFileSpecified))
|
|
|
1485 (setq ex-file buffer-file-name)))
|
|
|
1486 (if ex-cmdfile
|
|
|
1487 (progn
|
|
|
1488 (setq command (ex-expand-filsyms ex-file (current-buffer)))
|
|
|
1489 (shell-command command t))
|
|
|
1490 (insert-file-contents ex-file)))
|
|
|
1491 (ex-fixup-history vip-last-ex-prompt ex-file))
|
|
|
1492
|
|
|
1493 ;; this function fixes ex-history for some commands like ex-read, ex-edit
|
|
|
1494 (defun ex-fixup-history (&rest args)
|
|
|
1495 (setq vip-ex-history
|
|
|
1496 (cons (mapconcat 'identity args " ") (cdr vip-ex-history))))
|
|
|
1497
|
|
|
1498
|
|
|
1499 ;; Ex recover from emacs \#file\#
|
|
|
1500 (defun ex-recover ()
|
|
|
1501 (vip-get-ex-file)
|
|
|
1502 (if (or ex-append ex-offset)
|
|
|
1503 (error "`recover': %s" vip-SpuriousText))
|
|
|
1504 (if (string= ex-file "")
|
|
|
1505 (progn
|
|
|
1506 (if (null buffer-file-name)
|
|
|
1507 (error "This buffer isn't visiting any file"))
|
|
|
1508 (setq ex-file buffer-file-name))
|
|
|
1509 (setq ex-file (expand-file-name ex-file)))
|
|
|
1510 (if (and (not (string= ex-file (buffer-file-name)))
|
|
|
1511 (buffer-modified-p)
|
|
|
1512 (not ex-variant))
|
|
|
1513 (error "No write since last change \(:rec! overrides\)"))
|
|
|
1514 (recover-file ex-file))
|
|
|
1515
|
|
|
1516 ;; Tell that `rewind' is obsolete and to use `:next count' instead
|
|
|
1517 (defun ex-rewind ()
|
|
|
1518 (message
|
|
|
1519 "Use `:n <count>' instead. Counts are obtained from the `:args' command"))
|
|
|
1520
|
|
|
1521
|
|
|
1522 ;; read variable name for ex-set
|
|
|
1523 (defun ex-set-read-variable ()
|
|
|
1524 (let ((minibuffer-local-completion-map
|
|
|
1525 (copy-keymap minibuffer-local-completion-map))
|
|
|
1526 (cursor-in-echo-area t)
|
|
|
1527 str batch)
|
|
|
1528 (define-key
|
|
|
1529 minibuffer-local-completion-map " " 'minibuffer-complete-and-exit)
|
|
|
1530 (define-key minibuffer-local-completion-map "=" 'exit-minibuffer)
|
|
|
1531 (if (vip-set-unread-command-events
|
|
|
1532 (ex-get-inline-cmd-args "[ \t]*[a-zA-Z]*[ \t]*" nil "\C-m"))
|
|
|
1533 (progn
|
|
|
1534 (setq batch t)
|
|
|
1535 (vip-set-unread-command-events ?\C-m)))
|
|
|
1536 (message ":set <Variable> [= <Value>]")
|
|
|
1537 (or batch (sit-for 2))
|
|
|
1538
|
|
|
1539 (while (string-match "^[ \\t\\n]*$"
|
|
|
1540 (setq str
|
|
|
1541 (completing-read ":set " ex-variable-alist)))
|
|
|
1542 (message ":set <Variable> ")
|
|
|
1543 ;; if there are unread events, don't wait
|
|
|
1544 (or (vip-set-unread-command-events "") (sit-for 2))
|
|
|
1545 ) ; while
|
|
|
1546 str))
|
|
|
1547
|
|
|
1548
|
|
|
1549 (defun ex-set ()
|
|
|
1550 (let ((var (ex-set-read-variable))
|
|
|
1551 (val 0)
|
|
|
1552 (set-cmd "setq")
|
|
|
1553 (ask-if-save t)
|
|
|
1554 (auto-cmd-label "; don't touch or else...")
|
|
|
1555 (delete-turn-on-auto-fill-pattern
|
|
|
1556 "([ \t]*add-hook[ \t]+'vip-insert-state-hooks[ \t]+'turn-on-auto-fill.*)")
|
|
|
1557 actual-lisp-cmd lisp-cmd-del-pattern
|
|
|
1558 val2 orig-var)
|
|
|
1559 (setq orig-var var)
|
|
|
1560 (cond ((member var '("ai" "autoindent"))
|
|
|
1561 (setq var "vip-auto-indent"
|
|
|
1562 set-cmd "setq"
|
|
|
1563 ask-if-save nil
|
|
|
1564 val "t"))
|
|
|
1565 ((member var '("gai" "global-autoindent"))
|
|
|
1566 (kill-local-variable 'vip-auto-indent)
|
|
|
1567 (setq var "vip-auto-indent"
|
|
|
1568 set-cmd "setq-default"
|
|
|
1569 val "t"))
|
|
|
1570 ((member var '("noai" "noautoindent"))
|
|
|
1571 (setq var "vip-auto-indent"
|
|
|
1572 ask-if-save nil
|
|
|
1573 val "nil"))
|
|
|
1574 ((member var '("gnoai" "global-noautoindent"))
|
|
|
1575 (kill-local-variable 'vip-auto-indent)
|
|
|
1576 (setq var "vip-auto-indent"
|
|
|
1577 set-cmd "setq-default"
|
|
|
1578 val "nil"))
|
|
|
1579 ((member var '("ic" "ignorecase"))
|
|
|
1580 (setq var "vip-case-fold-search"
|
|
|
1581 val "t"))
|
|
|
1582 ((member var '("noic" "noignorecase"))
|
|
|
1583 (setq var "vip-case-fold-search"
|
|
|
1584 val "nil"))
|
|
|
1585 ((member var '("ma" "magic"))
|
|
|
1586 (setq var "vip-re-search"
|
|
|
1587 val "t"))
|
|
|
1588 ((member var '("noma" "nomagic"))
|
|
|
1589 (setq var "vip-re-search"
|
|
|
1590 val "nil"))
|
|
|
1591 ((member var '("ro" "readonly"))
|
|
|
1592 (setq var "buffer-read-only"
|
|
|
1593 val "t"))
|
|
|
1594 ((member var '("noro" "noreadonly"))
|
|
|
1595 (setq var "buffer-read-only"
|
|
|
1596 val "nil"))
|
|
|
1597 ((member var '("sm" "showmatch"))
|
|
|
1598 (setq var "blink-matching-paren"
|
|
|
1599 val "t"))
|
|
|
1600 ((member var '("nosm" "noshowmatch"))
|
|
|
1601 (setq var "blink-matching-paren"
|
|
|
1602 val "nil"))
|
|
|
1603 ((member var '("ws" "wrapscan"))
|
|
|
1604 (setq var "vip-search-wrap-around-t"
|
|
|
1605 val "t"))
|
|
|
1606 ((member var '("nows" "nowrapscan"))
|
|
|
1607 (setq var "vip-search-wrap-around-t"
|
|
|
1608 val "nil")))
|
|
|
1609 (if (eq val 0) ; value must be set by the user
|
|
|
1610 (let ((cursor-in-echo-area t))
|
|
|
1611 (message ":set %s = <Value>" var)
|
|
|
1612 ;; if there are unread events, don't wait
|
|
|
1613 (or (vip-set-unread-command-events "") (sit-for 2))
|
|
|
1614 (setq val (read-string (format ":set %s = " var)))
|
|
|
1615 (ex-fixup-history "set" orig-var val)
|
|
|
1616
|
|
|
1617 ;; check numerical values
|
|
|
1618 (if (member var
|
|
|
1619 '("sw" "shiftwidth"
|
|
|
1620 "ts" "tabstop"
|
|
|
1621 "gts" "global-tabstop"
|
|
|
1622 "wm" "wrapmargin"))
|
|
|
1623 (condition-case nil
|
|
|
1624 (or (numberp (setq val2 (car (read-from-string val))))
|
|
|
1625 (error "%s: Invalid value, numberp, %S" var val))
|
|
|
1626 (error
|
|
|
1627 (error "%s: Invalid value, numberp, %S" var val))))
|
|
|
1628
|
|
|
1629 (cond
|
|
|
1630 ((member var '("sw" "shiftwidth"))
|
|
|
1631 (setq var "vip-shift-width"))
|
|
|
1632 ((member var '("ts" "tabstop"))
|
|
|
1633 ;; make it take effect in curr buff and new bufs
|
|
|
1634 (setq var "tab-width"
|
|
|
1635 set-cmd "setq"
|
|
|
1636 ask-if-save nil))
|
|
|
1637 ((member var '("gts" "global-tabstop"))
|
|
|
1638 (kill-local-variable 'tab-width)
|
|
|
1639 (setq var "tab-width"
|
|
|
1640 set-cmd "setq-default"))
|
|
|
1641 ((member var '("wm" "wrapmargin"))
|
|
|
1642 ;; make it take effect in curr buff and new bufs
|
|
|
1643 (kill-local-variable 'fill-column)
|
|
|
1644 (setq var "fill-column"
|
|
|
1645 val (format "(- (window-width) %s)" val)
|
|
|
1646 set-cmd "setq-default"))
|
|
|
1647 ((member var '("sh" "shell"))
|
|
|
1648 (setq var "explicit-shell-file-name"
|
|
|
1649 val (format "\"%s\"" val)))))
|
|
|
1650 (ex-fixup-history "set" orig-var))
|
|
|
1651
|
|
|
1652 (setq actual-lisp-cmd (format "\n(%s %s %s) %s"
|
|
|
1653 set-cmd var val auto-cmd-label))
|
|
|
1654 (setq lisp-cmd-del-pattern
|
|
|
1655 (format "^\n?[ \t]*([ \t]*%s[ \t]+%s[ \t].*)[ \t]*%s"
|
|
|
1656 set-cmd var auto-cmd-label))
|
|
|
1657
|
|
|
1658 (if (and ask-if-save
|
|
|
1659 (y-or-n-p (format "Do you want to save this setting in %s "
|
|
|
1660 vip-custom-file-name)))
|
|
|
1661 (progn
|
|
|
1662 (vip-save-string-in-file
|
|
|
1663 actual-lisp-cmd vip-custom-file-name
|
|
|
1664 ;; del pattern
|
|
|
1665 lisp-cmd-del-pattern)
|
|
|
1666 (if (string= var "fill-column")
|
|
|
1667 (if (> val2 0)
|
|
|
1668 (vip-save-string-in-file
|
|
|
1669 (concat
|
|
|
1670 "(add-hook 'vip-insert-state-hooks 'turn-on-auto-fill) "
|
|
|
1671 auto-cmd-label)
|
|
|
1672 vip-custom-file-name
|
|
|
1673 delete-turn-on-auto-fill-pattern)
|
|
|
1674 (vip-save-string-in-file
|
|
|
1675 nil vip-custom-file-name delete-turn-on-auto-fill-pattern)
|
|
|
1676 (vip-save-string-in-file
|
|
|
1677 nil vip-custom-file-name
|
|
|
1678 ;; del pattern
|
|
|
1679 lisp-cmd-del-pattern)
|
|
|
1680 ))
|
|
|
1681 ))
|
|
|
1682
|
|
|
1683 (message "%s %s %s" set-cmd var (if (string-match "^[ \t]*$" val)
|
|
|
1684 (format "%S" val)
|
|
|
1685 val))
|
|
|
1686 (eval (car (read-from-string actual-lisp-cmd)))
|
|
|
1687 (if (string= var "fill-column")
|
|
|
1688 (if (> val2 0)
|
|
|
1689 (auto-fill-mode 1)
|
|
|
1690 (auto-fill-mode -1)))
|
|
|
1691
|
|
|
1692 ))
|
|
|
1693
|
|
|
1694 ;; In inline args, skip regex-forw and (optionally) chars-back.
|
|
|
1695 ;; Optional 3d arg is a string that should replace ' ' to prevent its
|
|
|
1696 ;; special meaning
|
|
|
1697 (defun ex-get-inline-cmd-args (regex-forw &optional chars-back replace-str)
|
|
|
1698 (save-excursion
|
|
78
|
1699 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
1700 (set-buffer vip-ex-work-buf)
|
|
|
1701 (goto-char (point-min))
|
|
|
1702 (re-search-forward regex-forw nil t)
|
|
|
1703 (let ((beg (point))
|
|
|
1704 end)
|
|
|
1705 (goto-char (point-max))
|
|
|
1706 (if chars-back
|
|
|
1707 (skip-chars-backward chars-back)
|
|
|
1708 (skip-chars-backward " \t\n\C-m"))
|
|
|
1709 (setq end (point))
|
|
|
1710 ;; replace SPC with `=' to suppress the special meaning SPC has
|
|
|
1711 ;; in Ex commands
|
|
|
1712 (goto-char beg)
|
|
|
1713 (if replace-str
|
|
|
1714 (while (re-search-forward " +" nil t)
|
|
|
1715 (replace-match replace-str nil t)
|
|
|
1716 (vip-forward-char-carefully)))
|
|
|
1717 (goto-char end)
|
|
|
1718 (buffer-substring beg end))))
|
|
|
1719
|
|
|
1720
|
|
|
1721 ;; Ex shell command
|
|
|
1722 (defun ex-shell ()
|
|
|
1723 (shell))
|
|
|
1724
|
|
|
1725 ;; Viper help. Invokes Info
|
|
|
1726 (defun ex-help ()
|
|
|
1727 (condition-case nil
|
|
|
1728 (progn
|
|
|
1729 (pop-to-buffer (get-buffer-create "*info*"))
|
|
|
1730 (info (if vip-xemacs-p "viper.info" "viper"))
|
|
|
1731 (message "Type `i' to search for a specific topic"))
|
|
|
1732 (error (beep 1)
|
|
|
1733 (with-output-to-temp-buffer " *vip-info*"
|
|
|
1734 (princ (format "
|
|
|
1735 The Info file for Viper does not seem to be installed.
|
|
|
1736
|
|
|
1737 This file is part of the standard distribution of %sEmacs.
|
|
|
1738 Please contact your system administrator. "
|
|
|
1739 (if vip-xemacs-p "X" "")
|
|
|
1740 ))))))
|
|
|
1741
|
|
|
1742 ;; Ex source command. Loads the file specified as argument or `~/.vip'
|
|
|
1743 (defun ex-source ()
|
|
|
1744 (vip-get-ex-file)
|
|
|
1745 (if (string= ex-file "")
|
|
|
1746 (load vip-custom-file-name)
|
|
|
1747 (load ex-file)))
|
|
|
1748
|
|
|
1749 ;; Ex substitute command
|
|
|
1750 ;; If REPEAT use previous regexp which is ex-reg-exp or vip-s-string
|
|
|
1751 (defun ex-substitute (&optional repeat r-flag)
|
|
|
1752 (let ((opt-g nil)
|
|
|
1753 (opt-c nil)
|
|
|
1754 (matched-pos nil)
|
|
|
1755 (case-fold-search vip-case-fold-search)
|
|
|
1756 delim pat repl)
|
|
|
1757 (if repeat (setq ex-token nil) (setq delim (vip-get-ex-pat)))
|
|
|
1758 (if (null ex-token)
|
|
|
1759 (progn
|
|
|
1760 (setq pat (if r-flag vip-s-string ex-reg-exp))
|
|
|
1761 (or (stringp pat)
|
|
|
1762 (error "No previous pattern to use in substitution"))
|
|
|
1763 (setq repl ex-repl
|
|
|
1764 delim (string-to-char pat)))
|
|
|
1765 (setq pat (if (string= ex-token "") vip-s-string ex-token))
|
|
|
1766 (setq vip-s-string pat
|
|
|
1767 ex-reg-exp pat)
|
|
|
1768 (setq delim (vip-get-ex-pat))
|
|
|
1769 (if (null ex-token)
|
|
|
1770 (setq ex-token ""
|
|
|
1771 ex-repl "")
|
|
|
1772 (setq repl ex-token
|
|
|
1773 ex-repl ex-token)))
|
|
|
1774 (while (vip-get-ex-opt-gc delim)
|
|
|
1775 (if (string= ex-token "g") (setq opt-g t) (setq opt-c t)))
|
|
|
1776 (vip-get-ex-count)
|
|
|
1777 (if ex-count
|
|
|
1778 (save-excursion
|
|
|
1779 (if ex-addresses (goto-char (car ex-addresses)))
|
|
|
1780 (set-mark (point))
|
|
|
1781 (forward-line (1- ex-count))
|
|
|
1782 (setq ex-addresses (cons (point) (cons (mark t) nil))))
|
|
|
1783 (if (null ex-addresses)
|
|
|
1784 (setq ex-addresses (cons (point) (cons (point) nil)))
|
|
|
1785 (if (null (cdr ex-addresses))
|
|
|
1786 (setq ex-addresses (cons (car ex-addresses) ex-addresses)))))
|
|
|
1787 ;(setq G opt-g)
|
|
|
1788 (let ((beg (car ex-addresses))
|
|
|
1789 (end (car (cdr ex-addresses)))
|
|
|
1790 eol-mark)
|
|
|
1791 (save-excursion
|
|
|
1792 (vip-enlarge-region beg end)
|
|
|
1793 (let ((limit (save-excursion
|
|
|
1794 (goto-char (max (point) (mark t)))
|
|
|
1795 (point-marker))))
|
|
|
1796 (goto-char (min (point) (mark t)))
|
|
|
1797 (while (< (point) limit)
|
|
|
1798 (end-of-line)
|
|
|
1799 (setq eol-mark (point-marker))
|
|
|
1800 (beginning-of-line)
|
|
|
1801 (if opt-g
|
|
|
1802 (progn
|
|
|
1803 (while (and (not (eolp))
|
|
|
1804 (re-search-forward pat eol-mark t))
|
|
|
1805 (if (or (not opt-c) (y-or-n-p "Replace? "))
|
|
|
1806 (progn
|
|
|
1807 (setq matched-pos (point))
|
|
|
1808 (if (not (stringp repl))
|
|
|
1809 (error "Can't perform Ex substitution: No previous replacement pattern"))
|
|
|
1810 (replace-match repl t))))
|
|
|
1811 (end-of-line)
|
|
|
1812 (vip-forward-char-carefully))
|
|
|
1813 (if (null pat)
|
|
|
1814 (error
|
|
|
1815 "Can't repeat Ex substitution: No previous regular expression"))
|
|
|
1816 (if (and (re-search-forward pat eol-mark t)
|
|
|
1817 (or (not opt-c) (y-or-n-p "Replace? ")))
|
|
|
1818 (progn
|
|
|
1819 (setq matched-pos (point))
|
|
|
1820 (if (not (stringp repl))
|
|
|
1821 (error "Can't perform Ex substitution: No previous replacement pattern"))
|
|
|
1822 (replace-match repl t)))
|
|
|
1823 (end-of-line)
|
|
|
1824 (vip-forward-char-carefully))))))
|
|
|
1825 (if matched-pos (goto-char matched-pos))
|
|
|
1826 (beginning-of-line)
|
|
|
1827 (if opt-c (message "done"))))
|
|
|
1828
|
|
|
1829 ;; Ex tag command
|
|
|
1830 (defun ex-tag ()
|
|
|
1831 (let (tag)
|
|
|
1832 (save-window-excursion
|
|
78
|
1833 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
1834 (set-buffer vip-ex-work-buf)
|
|
|
1835 (skip-chars-forward " \t")
|
|
|
1836 (set-mark (point))
|
|
|
1837 (skip-chars-forward "^ |\t\n")
|
|
|
1838 (setq tag (buffer-substring (mark t) (point))))
|
|
|
1839 (if (not (string= tag "")) (setq ex-tag tag))
|
|
|
1840 (vip-change-state-to-emacs)
|
|
|
1841 (condition-case conds
|
|
|
1842 (progn
|
|
|
1843 (if (string= tag "")
|
|
|
1844 (find-tag ex-tag t)
|
|
|
1845 (find-tag-other-window ex-tag))
|
|
|
1846 (vip-change-state-to-vi))
|
|
|
1847 (error
|
|
|
1848 (vip-change-state-to-vi)
|
|
|
1849 (vip-message-conditions conds)))))
|
|
|
1850
|
|
|
1851 ;; Ex write command
|
|
|
1852 (defun ex-write (q-flag)
|
|
|
1853 (vip-default-ex-addresses t)
|
|
|
1854 (vip-get-ex-file)
|
|
70
|
1855 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))
|
|
0
|
1856 temp-buf writing-same-file region
|
|
|
1857 file-exists writing-whole-file)
|
|
|
1858 (if (> beg end) (error vip-FirstAddrExceedsSecond))
|
|
|
1859 (if ex-cmdfile
|
|
|
1860 (progn
|
|
|
1861 (vip-enlarge-region beg end)
|
|
|
1862 (shell-command-on-region (point) (mark t) ex-file))
|
|
|
1863 (if (and (string= ex-file "") (not (buffer-file-name)))
|
|
|
1864 (setq ex-file
|
|
|
1865 (read-file-name
|
|
|
1866 (format "Buffer %s isn't visiting any file. File to save in: "
|
|
|
1867 (buffer-name)))))
|
|
|
1868
|
|
|
1869 (setq writing-whole-file (and (= (point-min) beg) (= (point-max) end))
|
|
|
1870 ex-file (if (string= ex-file "")
|
|
|
1871 (buffer-file-name)
|
|
|
1872 (expand-file-name ex-file)))
|
|
|
1873 ;; if ex-file is a directory use the file portion of the buffer file name
|
|
|
1874 (if (and (file-directory-p ex-file)
|
|
|
1875 buffer-file-name
|
|
|
1876 (not (file-directory-p buffer-file-name)))
|
|
|
1877 (setq ex-file
|
|
70
|
1878 (concat ex-file (file-name-nondirectory buffer-file-name))))
|
|
|
1879
|
|
0
|
1880 (setq file-exists (file-exists-p ex-file)
|
|
|
1881 writing-same-file (string= ex-file (buffer-file-name)))
|
|
|
1882
|
|
|
1883 (if (and writing-whole-file writing-same-file)
|
|
|
1884 (if (not (buffer-modified-p))
|
|
|
1885 (message "(No changes need to be saved)")
|
|
|
1886 (save-buffer)
|
|
70
|
1887 (ex-write-info file-exists ex-file beg end))
|
|
|
1888 ;; writing some other file or portion of the currents
|
|
|
1889 ;; file---create temp buffer for it
|
|
|
1890 ;; disable undo in that buffer, for efficiency
|
|
|
1891 (buffer-disable-undo (setq temp-buf (create-file-buffer ex-file)))
|
|
|
1892 (unwind-protect
|
|
|
1893 (save-excursion
|
|
|
1894 (if (and file-exists
|
|
|
1895 (not writing-same-file)
|
|
|
1896 (not (yes-or-no-p
|
|
|
1897 (format "File %s exists. Overwrite? " ex-file))))
|
|
|
1898 (error "Quit")
|
|
|
1899 (vip-enlarge-region beg end)
|
|
|
1900 (setq region (buffer-substring (point) (mark t)))
|
|
|
1901 (set-buffer temp-buf)
|
|
|
1902 (set-visited-file-name ex-file)
|
|
|
1903 (erase-buffer)
|
|
|
1904 (if (and file-exists ex-append)
|
|
|
1905 (insert-file-contents ex-file))
|
|
|
1906 (goto-char (point-max))
|
|
|
1907 (insert region)
|
|
|
1908 (save-buffer)
|
|
|
1909 (ex-write-info file-exists ex-file (point-min) (point-max))
|
|
|
1910 )
|
|
|
1911 (set-buffer temp-buf)
|
|
|
1912 (set-buffer-modified-p nil)
|
|
|
1913 (kill-buffer temp-buf)
|
|
16
|
1914 ))
|
|
70
|
1915 )
|
|
0
|
1916 ;; this prevents the loss of data if writing part of the buffer
|
|
|
1917 (if (and (buffer-file-name) writing-same-file)
|
|
|
1918 (set-visited-file-modtime))
|
|
|
1919 (or writing-whole-file
|
|
|
1920 (not writing-same-file)
|
|
|
1921 (set-buffer-modified-p t))
|
|
|
1922 (if q-flag
|
|
|
1923 (if (< vip-expert-level 2)
|
|
|
1924 (save-buffers-kill-emacs)
|
|
|
1925 (kill-buffer (current-buffer))))
|
|
|
1926 )))
|
|
|
1927
|
|
|
1928
|
|
|
1929 (defun ex-write-info (exists file-name beg end)
|
|
|
1930 (message "`%s'%s %d lines, %d characters"
|
|
|
1931 (vip-abbreviate-file-name file-name)
|
|
|
1932 (if exists "" " [New file]")
|
|
|
1933 (count-lines beg (min (1+ end) (point-max)))
|
|
|
1934 (- end beg)))
|
|
|
1935
|
|
|
1936 ;; Ex yank command
|
|
|
1937 (defun ex-yank ()
|
|
|
1938 (vip-default-ex-addresses)
|
|
|
1939 (vip-get-ex-buffer)
|
|
|
1940 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
|
|
1941 (if (> beg end) (error vip-FirstAddrExceedsSecond))
|
|
|
1942 (save-excursion
|
|
|
1943 (vip-enlarge-region beg end)
|
|
|
1944 (exchange-point-and-mark)
|
|
|
1945 (if (or ex-g-flag ex-g-variant)
|
|
|
1946 (error "Can't execute `yank' within `global'"))
|
|
|
1947 (if ex-count
|
|
|
1948 (progn
|
|
|
1949 (set-mark (point))
|
|
|
1950 (forward-line (1- ex-count)))
|
|
|
1951 (set-mark end))
|
|
|
1952 (vip-enlarge-region (point) (mark t))
|
|
|
1953 (if ex-flag (error "`yank': %s" vip-SpuriousText))
|
|
|
1954 (if ex-buffer
|
|
|
1955 (cond ((vip-valid-register ex-buffer '(Letter))
|
|
|
1956 (vip-append-to-register
|
|
|
1957 (downcase ex-buffer) (point) (mark t)))
|
|
|
1958 ((vip-valid-register ex-buffer)
|
|
|
1959 (copy-to-register ex-buffer (point) (mark t) nil))
|
|
|
1960 (t (error vip-InvalidRegister ex-buffer))))
|
|
|
1961 (copy-region-as-kill (point) (mark t)))))
|
|
|
1962
|
|
|
1963 ;; Execute shell command
|
|
|
1964 (defun ex-command ()
|
|
|
1965 (let (command)
|
|
|
1966 (save-window-excursion
|
|
78
|
1967 (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
|
|
0
|
1968 (set-buffer vip-ex-work-buf)
|
|
|
1969 (skip-chars-forward " \t")
|
|
|
1970 (setq command (buffer-substring (point) (point-max)))
|
|
|
1971 (end-of-line))
|
|
|
1972 (setq command (ex-expand-filsyms command (current-buffer)))
|
|
|
1973 (if (and (> (length command) 0) (string= "!" (substring command 0 1)))
|
|
|
1974 (if vip-ex-last-shell-com
|
|
|
1975 (setq command (concat vip-ex-last-shell-com (substring command 1)))
|
|
|
1976 (error "No previous shell command")))
|
|
|
1977 (setq vip-ex-last-shell-com command)
|
|
|
1978 (if (null ex-addresses)
|
|
|
1979 (shell-command command)
|
|
|
1980 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
|
|
|
1981 (if (null beg) (setq beg end))
|
|
|
1982 (save-excursion
|
|
|
1983 (goto-char beg)
|
|
|
1984 (set-mark end)
|
|
|
1985 (vip-enlarge-region (point) (mark t))
|
|
|
1986 (shell-command-on-region (point) (mark t) command t))
|
|
|
1987 (goto-char beg)))))
|
|
|
1988
|
|
|
1989 ;; Print line number
|
|
|
1990 (defun ex-line-no ()
|
|
|
1991 (message "%d"
|
|
|
1992 (1+ (count-lines
|
|
|
1993 (point-min)
|
|
|
1994 (if (null ex-addresses) (point-max) (car ex-addresses))))))
|
|
|
1995
|
|
|
1996 ;; Give information on the file visited by the current buffer
|
|
|
1997 (defun vip-info-on-file ()
|
|
|
1998 (interactive)
|
|
|
1999 (let ((pos1 (vip-line-pos 'start))
|
|
|
2000 (pos2 (vip-line-pos 'end))
|
|
|
2001 lines file info)
|
|
|
2002 (setq lines (count-lines (point-min) (vip-line-pos 'end))
|
|
|
2003 file (if (buffer-file-name)
|
|
|
2004 (concat (vip-abbreviate-file-name (buffer-file-name)) ":")
|
|
|
2005 (concat (buffer-name) " [Not visiting any file]:"))
|
|
|
2006 info (format "line=%d/%d pos=%d/%d col=%d %s"
|
|
|
2007 (if (= pos1 pos2)
|
|
|
2008 (1+ lines)
|
|
|
2009 lines)
|
|
|
2010 (count-lines (point-min) (point-max))
|
|
|
2011 (point) (1- (point-max))
|
|
|
2012 (1+ (current-column))
|
|
|
2013 (if (buffer-modified-p) "[Modified]" "[Unchanged]")))
|
|
|
2014 (if (< (+ 1 (length info) (length file))
|
|
|
2015 (window-width (minibuffer-window)))
|
|
|
2016 (message (concat file " " info))
|
|
|
2017 (save-window-excursion
|
|
|
2018 (with-output-to-temp-buffer " *vip-info*"
|
|
|
2019 (princ (concat "\n"
|
|
|
2020 file "\n\n\t" info
|
|
|
2021 "\n\n\nPress any key to continue...\n\n")))
|
|
|
2022 (vip-read-event)
|
|
|
2023 (kill-buffer " *vip-info*")))
|
|
|
2024 ))
|
|
|
2025
|
|
|
2026
|
|
70
|
2027 (provide 'viper-ex)
|
|
|
2028
|
|
0
|
2029 ;;; viper-ex.el ends here
|
