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1 ;;; hippie-exp.el --- expand text trying various ways to find its expansion.
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2
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3 ;; Copyright (C) 1992 Free Software Foundation, Inc.
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4
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5 ;; Author: Anders Holst <aho@sans.kth.se>
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6 ;; Last change: 6 August 1995
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7 ;; Version: 1.4
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8 ;; Keywords: abbrev
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9
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10 ;; This file is part of GNU Emacs.
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11
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12 ;; GNU Emacs is free software; you can redistribute it and/or modify
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13 ;; it under the terms of the GNU General Public License as published by
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14 ;; the Free Software Foundation; either version 2, or (at your option)
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15 ;; any later version.
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16
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17 ;; GNU Emacs is distributed in the hope that it will be useful,
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18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 ;; GNU General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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25 ;; Boston, MA 02111-1307, USA.
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26
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27 ;;; Synched up with: Emacs/Mule zeta
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28
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29 ;;; Commentary:
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30
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31 ;; `hippie-expand' is a single function for a lot of different kinds
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32 ;; of completions and expansions. Called repeatedly it tries all
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33 ;; possible completions in succession.
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34 ;; Which kinds of completions to try, and in which order, is
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35 ;; determined by the contents of `hippie-expand-try-functions-list'.
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36 ;; Much customization of `hippie-expand' can be made by changing the
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37 ;; order of, removing, or inserting new functions in this list.
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38 ;; Given a positive numeric argument, `hippie-expand' jumps directly
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39 ;; ARG functions forward in this list. Given some other argument
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40 ;; (a negative argument or just Ctrl-U) it undoes the tried
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41 ;; completion.
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42 ;;
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43 ;; If the variable `hippie-expand-verbose' is non-nil, `hippie-expand'
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44 ;; outputs in a message which try-function in the list that is used
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45 ;; currently (ie. was used currently and will be tried first the next
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46 ;; time).
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47 ;; The variable `hippie-expand-max-buffers' determines in how many
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48 ;; buffers, apart from the current, to search for expansions in. It
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49 ;; is used by the try-functions named "-all-buffers".
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50 ;; The variable `hippie-expand-ignore-buffers' is a list of regexps
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51 ;; matching buffer names (as strings) or major modes (as atoms) of
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52 ;; buffers that should not be searched by the try-functions named
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53 ;; "-all-buffers".
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54 ;; See also the macro `make-hippie-expand-function' below.
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55 ;;
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56 ;; A short description of the current try-functions in this file:
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57 ;; `try-complete-file-name' : very convenient to have in any buffer,
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58 ;; and not just in the minibuffer or (some) shell-mode. It goes
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59 ;; through all possible completions instead of just completing as
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60 ;; much as is unique.
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61 ;; `try-complete-file-name-partially' : To insert in the list just
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62 ;; before `try-complete-file-name' for those who want first to get
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63 ;; a file name completed only as many characters as is unique.
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64 ;; `try-expand-all-abbrevs' : can be removed if you don't use abbrevs.
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65 ;; Otherwise it looks through all abbrev-tables, starting with
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66 ;; the local followed by the global.
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67 ;; `try-expand-line' : Searches the buffer for an entire line that
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68 ;; begins exactly as the current line. Convenient sometimes, for
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69 ;; example as a substitute for (or complement to) the history
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70 ;; list in shell-like buffers. At other times, only confusing.
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71 ;; `try-expand-line-all-buffers' : Like `try-expand-line' but searches
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72 ;; in all buffers (except the current). (This may be a little
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73 ;; slow, don't use it unless you are really fond of `hippie-expand'.)
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74 ;; `try-expand-list' : Tries to expand the text back to the nearest
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75 ;; open delimiter, to a whole list from the buffer. Convenient for
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76 ;; example when writing lisp or TeX.
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77 ;; `try-expand-list-all-buffers' : Like `try-expand-list' but searches
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78 ;; in all buffers (except the current).
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79 ;; `try-expand-dabbrev' : works exactly as dabbrev-expand (but of
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80 ;; course in a way compatible with the other try-functions).
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81 ;; `try-expand-dabbrev-all-buffers' : perhaps the most useful of them,
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82 ;; like `dabbrev-expand' but searches all Emacs buffers (except the
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83 ;; current) for matching words. (No, I don't find this one
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84 ;; particularly slow.)
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85 ;; `try-expand-dabbrev-visible': Searches the currently visible parts of
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86 ;; all windows. Can be put before `try-expand-dabbrev-all-buffers' to
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87 ;; first try the expansions you can see.
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88 ;; `try-expand-dabbrev-from-kill': Searches the kill ring for a suitable
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89 ;; completion of the word. Good to have, just in case the word was not
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90 ;; found elsewhere.
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91 ;; `try-expand-whole-kill' : Tries to complete text with a whole entry
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92 ;; from the kill ring. May be good if you don't know how far up in
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93 ;; the kill-ring the required entry is, and don't want to mess with
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94 ;; "Choose Next Paste".
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95 ;; `try-complete-lisp-symbol' : like `lisp-complete-symbol', but goes
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96 ;; through all possibilities instead of completing what is unique.
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97 ;; Might be tedious (usually a lot of possible completions) and
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98 ;; since its function is much like `lisp-complete-symbol', which
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99 ;; already has a key of its own, you might want to remove this.
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100 ;; `try-complete-lisp-symbol-partially' : To insert in the list just
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101 ;; before `try-complete-lisp-symbol' for those who first want to get
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102 ;; completion of what is unique in the name.
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103 ;;
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104 ;; Not all of the above functions are by default in
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105 ;; `hippie-expand-try-functions-list'. This variable is better set
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106 ;; in ".emacs" to make `hippie-expand' behave maximally convenient
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107 ;; according to personal taste. Also, instead of loading the
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108 ;; variable with all kinds of try-functions above, it might be an
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109 ;; idea to use `make-hippie-expand-function' to construct different
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110 ;; `hippie-expand'-like functions, with different try-lists and bound
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111 ;; to different keys. It is also possible to make
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112 ;; `hippie-expand-try-functions-list' a buffer local variable, and
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113 ;; let it depend on the mode (by setting it in the mode-hooks).
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114 ;;
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115 ;; To write new try-functions, consider the following:
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116 ;; Each try-function takes one argument OLD which is nil the first
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117 ;; time the function is called and true in succeeding calls for the
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118 ;; same string to complete. The first time the function has to
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119 ;; extract the string before point to complete, and substitute the
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120 ;; first completion alternative for it. On following calls it has to
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121 ;; substitute the next possible completion for the last tried string.
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122 ;; The try-function is to return t as long as it finds new
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123 ;; possible completions. When there are no more alternatives it has
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124 ;; to restore the text before point to its original contents, and
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125 ;; return nil (don't beep or message or anything).
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126 ;; The try-function can (should) use the following functions:
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127 ;; `he-init-string' : Initializes the text to substitute to the
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128 ;; contents of the region BEGIN to END. Also sets the variable
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129 ;; `he-search-string' to the text to expand.
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130 ;; `he-substitute-string' : substitutes STR into the region
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131 ;; initialized with `he-init-string'. (An optional second argument
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132 ;; TRANS-CASE non-nil, means transfer of case from the abbreviation
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133 ;; to the expansion is ok if that is enabled in the buffer.)
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134 ;; `he-reset-string' : Resets the initialized region to its original
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135 ;; contents.
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136 ;; There is also a variable: `he-tried-table' which is meant to contain
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137 ;; all tried expansions so far. The try-function can check this
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138 ;; variable to see whether an expansion has already been tried
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139 ;; (hint: `he-string-member').
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140 ;;
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141 ;; Known bugs
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142 ;;
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143 ;; It may happen that some completion suggestion occurs twice, in
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144 ;; spite of the use of `he-tried-table' to prevent that. This is
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145 ;; because different try-functions may try to complete different
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146 ;; lengths of text, and thus put different amounts of the
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147 ;; text in `he-tried-table'. Anyway this seems to occur seldom enough
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148 ;; not to be too disturbing. Also it should NOT be possible for the
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149 ;; opposite situation to occur, that `hippie-expand' misses some
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150 ;; suggestion because it thinks it has already tried it.
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151 ;;
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152 ;; Acknowledgement
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153 ;;
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154 ;; I want to thank Mikael Djurfeldt in discussions with whom the idea
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155 ;; of this function took form.
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156 ;; I am also grateful to all those who have given me suggestions on
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157 ;; how to improve it, and all those who helped to find and remove bugs.
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158 ;;
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159
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160 ;;; Code:
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161
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162 (defvar he-num -1)
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163
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164 (defvar he-string-beg (make-marker))
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165
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166 (defvar he-string-end (make-marker))
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167
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168 (defvar he-search-string ())
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169
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170 (defvar he-expand-list ())
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171
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172 (defvar he-tried-table ())
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173
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174 (defvar he-search-loc (make-marker))
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175
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176 (defvar he-search-loc2 ())
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177
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178 (defvar he-search-bw ())
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179
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180 (defvar he-search-bufs ())
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181
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182 (defvar he-searched-n-bufs ())
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183
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184 (defvar he-search-window ())
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185
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186 ;;;###autoload
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187 (defvar hippie-expand-try-functions-list '(try-complete-file-name-partially
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188 try-complete-file-name
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189 try-expand-all-abbrevs
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190 try-expand-list
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191 try-expand-line
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192 try-expand-dabbrev
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193 try-expand-dabbrev-all-buffers
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194 try-expand-dabbrev-from-kill
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195 try-complete-lisp-symbol-partially
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196 try-complete-lisp-symbol)
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197 "The list of expansion functions tried in order by `hippie-expand'.
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198 To change the behavior of `hippie-expand', remove, change the order of,
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199 or insert functions in this list.")
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200
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201 ;;;###autoload
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202 (defvar hippie-expand-verbose t
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203 "*Non-nil makes `hippie-expand' output which function it is trying.")
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204
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205 ;;;###autoload
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206 (defvar hippie-expand-max-buffers ()
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207 "*The maximum number of buffers (apart from the current) searched.
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208 If nil, all buffers are searched.")
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209
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210 ;;;###autoload
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211 (defvar hippie-expand-ignore-buffers '("^ \\*.*\\*$" dired-mode)
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212 "*A list specifying which buffers not to search (if not current).
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213 Can contain both regexps matching buffer names (as strings) and major modes
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214 \(as atoms)")
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215
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216 ;;;###autoload
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217 (defun hippie-expand (arg)
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218 "Try to expand text before point, using multiple methods.
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219 The expansion functions in `hippie-expand-try-functions-list' are
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220 tried in order, until a possible expansion is found. Repeated
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221 application of `hippie-expand' inserts successively possible
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222 expansions.
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223 With a positive numeric argument, jumps directly to the ARG next
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224 function in this list. With a negative argument or just \\[universal-argument],
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225 undoes the expansion."
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226 (interactive "P")
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227 (if (or (not arg)
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228 (and (integerp arg) (> arg 0)))
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229 (let ((first (or (= he-num -1)
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230 (not (equal this-command last-command)))))
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231 (if first
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232 (progn
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233 (setq he-num -1)
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234 (setq he-tried-table nil)))
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235 (if arg
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236 (if (not first) (he-reset-string))
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237 (setq arg 0))
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238 (let ((i (max (+ he-num arg) 0)))
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239 (while (not (or (>= i (length hippie-expand-try-functions-list))
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240 (apply (nth i hippie-expand-try-functions-list)
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241 (list (= he-num i)))))
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242 (setq i (1+ i)))
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243 (setq he-num i))
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244 (if (>= he-num (length hippie-expand-try-functions-list))
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245 (progn
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246 (setq he-num -1)
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247 (if first
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248 (message "No expansion found")
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249 (message "No further expansions found"))
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250 (ding))
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251 (if (and hippie-expand-verbose
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252 (not (window-minibuffer-p (selected-window))))
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253 (message "Using %s"
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254 (prin1-to-string (nth he-num
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255 hippie-expand-try-functions-list))))))
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256 (if (and (>= he-num 0)
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257 (eq (marker-buffer he-string-beg) (current-buffer)))
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258 (progn
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259 (setq he-num -1)
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260 (he-reset-string)
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261 (if (and hippie-expand-verbose
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262 (not (window-minibuffer-p (selected-window))))
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263 (message "Undoing expansions"))))))
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264
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265 ;; Initializes the region to expand (to between BEG and END).
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266 (defun he-init-string (beg end)
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267 (set-marker he-string-beg beg)
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268 (set-marker he-string-end end)
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269 (setq he-search-string (buffer-substring beg end)))
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270
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271 ;; Resets the expanded region to its original contents.
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272 (defun he-reset-string ()
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273 (let ((newpos (point-marker)))
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274 (goto-char he-string-beg)
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275 (insert he-search-string)
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276 (delete-region (point) he-string-end)
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277 (goto-char newpos)))
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278
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279 ;; Substitutes an expansion STR into the correct region (the region
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280 ;; initialized with `he-init-string').
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281 ;; An optional argument TRANS-CASE means that it is ok to transfer case
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282 ;; from the abbreviation to the expansion if that is possible, and is
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283 ;; enabled in the buffer.
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284 (defun he-substitute-string (str &optional trans-case)
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285 (let ((trans-case (and trans-case
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286 case-replace
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287 case-fold-search))
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288 (newpos (point-marker))
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289 (subst ()))
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290 (goto-char he-string-beg)
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291 (setq subst (if trans-case (he-transfer-case he-search-string str) str))
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292 (setq he-tried-table (cons subst he-tried-table))
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293 (insert subst)
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294 (delete-region (point) he-string-end)
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295 (goto-char newpos)))
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296
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297 (defun he-capitalize-first (str)
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298 (save-match-data
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299 (if (string-match "\\Sw*\\(\\sw\\).*" str)
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300 (let ((res (downcase str))
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301 (no (match-beginning 1)))
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302 (aset res no (upcase (aref str no)))
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303 res)
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304 str)))
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305
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306 (defun he-ordinary-case-p (str)
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307 (or (string= str (downcase str))
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308 (string= str (upcase str))
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309 (string= str (capitalize str))
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310 (string= str (he-capitalize-first str))))
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311
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312 (defun he-transfer-case (from-str to-str)
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313 (cond ((string= from-str (substring to-str 0 (min (length from-str)
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314 (length to-str))))
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315 to-str)
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316 ((not (he-ordinary-case-p to-str))
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317 to-str)
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318 ((string= from-str (downcase from-str))
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319 (downcase to-str))
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320 ((string= from-str (upcase from-str))
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321 (upcase to-str))
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322 ((string= from-str (he-capitalize-first from-str))
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323 (he-capitalize-first to-str))
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324 ((string= from-str (capitalize from-str))
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325 (capitalize to-str))
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326 (t
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327 to-str)))
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328
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329
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330 ;; Check if STR is a member of LST.
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331 ;; Transform to the final case if optional TRANS-CASE is non-NIL.
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332 (defun he-string-member (str lst &optional trans-case)
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333 (if str
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334 (member (if (and trans-case
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335 case-replace
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336 case-fold-search)
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337 (he-transfer-case he-search-string str)
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338 str)
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339 lst)))
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340
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341 ;; Check if STR matches any regexp in LST.
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342 ;; Ignore possible non-strings in LST.
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343 (defun he-regexp-member (str lst)
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344 (while (and lst
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345 (or (not (stringp (car lst)))
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346 (not (string-match (car lst) str))))
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347 (setq lst (cdr lst)))
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348 lst)
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349
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350 ;; For the real hippie-expand enthusiast: A macro that makes it
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351 ;; possible to use many functions like hippie-expand, but with
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352 ;; different try-functions-lists.
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353 ;; Usage is for example:
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354 ;; (fset 'my-complete-file (make-hippie-expand-function
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355 ;; '(try-complete-file-name-partially
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356 ;; try-complete-file-name)))
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357 ;; (fset 'my-complete-line (make-hippie-expand-function
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358 ;; '(try-expand-line
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359 ;; try-expand-line-all-buffers)))
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360 ;;
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361 ;;;###autoload
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362 (defmacro make-hippie-expand-function (try-list &optional verbose)
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363 "Construct a function similar to `hippie-expand'.
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364 Make it use the expansion functions in TRY-LIST. An optional second
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365 argument VERBOSE non-nil makes the function verbose."
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366 (` (function (lambda (arg)
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367 (, (concat
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368 "Try to expand text before point, using the following functions: \n"
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369 (mapconcat 'prin1-to-string (eval try-list) ", ")))
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370 (interactive "P")
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371 (let ((hippie-expand-try-functions-list (, try-list))
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372 (hippie-expand-verbose (, verbose)))
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373 (hippie-expand arg))))))
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374
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375
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376 ;;; Here follows the try-functions and their requisites:
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377
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378
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379 (defun try-complete-file-name (old)
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380 "Try to complete text as a file name.
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381 The argument OLD has to be nil the first call of this function, and t
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382 for subsequent calls (for further possible completions of the same
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383 string). It returns t if a new completion is found, nil otherwise."
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384 (if (not old)
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385 (progn
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386 (he-init-string (he-file-name-beg) (point))
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387 (let ((name-part (he-file-name-nondirectory he-search-string))
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388 (dir-part (expand-file-name (or (he-file-name-directory
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389 he-search-string) ""))))
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390 (if (not (he-string-member name-part he-tried-table))
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391 (setq he-tried-table (cons name-part he-tried-table)))
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392 (if (and (not (equal he-search-string ""))
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393 (he-file-directory-p dir-part))
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394 (setq he-expand-list (sort (file-name-all-completions
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395 name-part
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396 dir-part)
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397 'string-lessp))
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398 (setq he-expand-list ())))))
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399
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400 (while (and he-expand-list
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401 (he-string-member (car he-expand-list) he-tried-table))
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402 (setq he-expand-list (cdr he-expand-list)))
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403 (if (null he-expand-list)
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404 (progn
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405 (if old (he-reset-string))
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406 ())
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407 (let ((filename (he-concat-directory-file-name
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408 (he-file-name-directory he-search-string)
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409 (car he-expand-list))))
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410 (he-substitute-string filename)
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411 (setq he-tried-table (cons (car he-expand-list) (cdr he-tried-table)))
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412 (setq he-expand-list (cdr he-expand-list))
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413 t)))
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414
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415 (defun try-complete-file-name-partially (old)
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416 "Try to complete text as a file name, as many characters as unique.
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417 The argument OLD has to be nil the first call of this function. It
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418 returns t if a unique, possibly partial, completion is found, nil
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419 otherwise."
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420 (let ((expansion ()))
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421 (if (not old)
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422 (progn
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423 (he-init-string (he-file-name-beg) (point))
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424 (let ((name-part (he-file-name-nondirectory he-search-string))
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425 (dir-part (expand-file-name (or (he-file-name-directory
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426 he-search-string) ""))))
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427 (if (and (not (equal he-search-string ""))
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428 (he-file-directory-p dir-part))
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429 (setq expansion (file-name-completion name-part
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430 dir-part)))
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431 (if (or (eq expansion t)
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432 (string= expansion name-part)
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433 (he-string-member expansion he-tried-table))
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434 (setq expansion ())))))
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435
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436 (if (not expansion)
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437 (progn
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438 (if old (he-reset-string))
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439 ())
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440 (let ((filename (he-concat-directory-file-name
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441 (he-file-name-directory he-search-string)
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442 expansion)))
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443 (he-substitute-string filename)
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444 (setq he-tried-table (cons expansion (cdr he-tried-table)))
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445 t))))
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446
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447 (defvar he-file-name-chars
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448 (cond ((memq system-type '(vax-vms axp-vms))
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449 "-a-zA-Z0-9_/.,~^#$+=:\\[\\]")
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450 ((memq system-type '(ms-dos windows-nt))
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451 "-a-zA-Z0-9_/.,~^#$+=:\\\\")
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452 (t ;; More strange file formats ?
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453 "-a-zA-Z0-9_/.,~^#$+="))
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454 "Characters that are considered part of the file name to expand.")
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455
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456 (defun he-file-name-beg ()
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457 (save-excursion
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458 (skip-chars-backward he-file-name-chars)
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459 (point)))
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460
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461 ;; Thanks go to Richard Levitte <levitte@e.kth.se> who helped to make these
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462 ;; work under VMS, and to David Hughes <ukchugd@ukpmr.cs.philips.nl> who
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463 ;; helped to make it work on PC.
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464 (defun he-file-name-nondirectory (file)
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465 "Fix to make `file-name-nondirectory' work for hippie-expand under VMS."
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466 (if (memq system-type '(axp-vms vax-vms))
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467 (let ((n (file-name-nondirectory file)))
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468 (if (string-match "^\\(\\[.*\\)\\.\\([^\\.]*\\)$" n)
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469 (concat "[." (substring n (match-beginning 2) (match-end 2)))
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470 n))
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471 (file-name-nondirectory file)))
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472
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473 (defun he-file-name-directory (file)
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474 "Fix to make `file-name-directory' work for hippie-expand under VMS."
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475 (if (memq system-type '(axp-vms vax-vms))
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476 (let ((n (file-name-nondirectory file))
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477 (d (file-name-directory file)))
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478 (if (string-match "^\\(\\[.*\\)\\.\\([^\\.]*\\)$" n)
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479 (concat d (substring n (match-beginning 1) (match-end 1)) "]")
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480 d))
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481 (file-name-directory file)))
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482
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483 (defun he-file-directory-p (file)
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484 "Fix to make `file-directory-p' work for hippie-expand under VMS."
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485 (if (memq system-type '(vax-vms axp-vms))
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486 (or (file-directory-p file)
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487 (file-directory-p (concat file "[000000]")))
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488 (file-directory-p file)))
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489
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490 (defun he-concat-directory-file-name (dir-part name-part)
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491 "Try to slam together two parts of a file specification, system dependently."
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492 (cond ((null dir-part) name-part)
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493 ((memq system-type '(axp-vms vax-vms))
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494 (if (and (string= (substring dir-part -1) "]")
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495 (string= (substring name-part 0 2) "[."))
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496 (concat (substring dir-part 0 -1) (substring name-part 1))
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497 (concat dir-part name-part)))
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498 ((memq system-type '(ms-dos w32))
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499 (if (and (string-match "\\\\" dir-part)
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500 (not (string-match "/" dir-part))
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501 (= (aref name-part (1- (length name-part))) ?/))
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502 (aset name-part (1- (length name-part)) ?\\))
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503 (concat dir-part name-part))
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504 (t
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505 (concat dir-part name-part))))
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506
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507 (defun try-complete-lisp-symbol (old)
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508 "Try to complete word as an Emacs Lisp symbol.
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509 The argument OLD has to be nil the first call of this function, and t
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510 for subsequent calls (for further possible completions of the same
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511 string). It returns t if a new completion is found, nil otherwise."
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512 (if (not old)
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513 (progn
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514 (he-init-string (he-lisp-symbol-beg) (point))
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515 (if (not (he-string-member he-search-string he-tried-table))
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516 (setq he-tried-table (cons he-search-string he-tried-table)))
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517 (setq he-expand-list
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518 (and (not (equal he-search-string ""))
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|
519 (sort (all-completions he-search-string obarray
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520 (function (lambda (sym)
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521 (or (boundp sym)
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522 (fboundp sym)
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523 (symbol-plist sym)))))
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524 'string-lessp)))))
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525 (while (and he-expand-list
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526 (he-string-member (car he-expand-list) he-tried-table))
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527 (setq he-expand-list (cdr he-expand-list)))
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528 (if (null he-expand-list)
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529 (progn
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530 (if old (he-reset-string))
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531 ())
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532 (progn
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533 (he-substitute-string (car he-expand-list))
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534 (setq he-expand-list (cdr he-expand-list))
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535 t)))
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536
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537 (defun try-complete-lisp-symbol-partially (old)
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538 "Try to complete as an Emacs Lisp symbol, as many characters as unique.
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539 The argument OLD has to be nil the first call of this function. It
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540 returns t if a unique, possibly partial, completion is found, nil
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541 otherwise."
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|
542 (let ((expansion ()))
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543 (if (not old)
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|
544 (progn
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545 (he-init-string (he-lisp-symbol-beg) (point))
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546 (if (not (string= he-search-string ""))
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|
547 (setq expansion
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548 (try-completion he-search-string obarray
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549 (function (lambda (sym)
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550 (or (boundp sym)
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551 (fboundp sym)
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552 (symbol-plist sym)))))))
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553 (if (or (eq expansion t)
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554 (string= expansion he-search-string)
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555 (he-string-member expansion he-tried-table))
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556 (setq expansion ()))))
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557
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558 (if (not expansion)
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559 (progn
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560 (if old (he-reset-string))
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|
561 ())
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|
562 (progn
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|
563 (he-substitute-string expansion)
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564 t))))
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565
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566 (defun he-lisp-symbol-beg ()
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567 (let ((skips "-a-zA-Z0-9_."))
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568 (save-excursion
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569 (skip-chars-backward skips)
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570 (point))))
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571
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572 (defun try-expand-line (old)
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|
573 "Try to complete the current line to an entire line in the buffer.
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|
574 The argument OLD has to be nil the first call of this function, and t
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|
575 for subsequent calls (for further possible completions of the same
|
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|
576 string). It returns t if a new completion is found, nil otherwise."
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|
577 (let ((expansion ())
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578 (strip-prompt (and (get-buffer-process (current-buffer))
|
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|
579 comint-prompt-regexp)))
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|
580 (if (not old)
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|
581 (progn
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582 (he-init-string (he-line-beg strip-prompt) (point))
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|
583 (set-marker he-search-loc he-string-beg)
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|
584 (setq he-search-bw t)))
|
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|
585
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586 (if (not (equal he-search-string ""))
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|
587 (save-excursion
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|
588 ;; Try looking backward unless inhibited.
|
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|
589 (if he-search-bw
|
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|
590 (progn
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|
|
591 (goto-char he-search-loc)
|
|
|
592 (setq expansion (he-line-search he-search-string
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593 strip-prompt t))
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|
594 (set-marker he-search-loc (point))
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|
|
595 (if (not expansion)
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|
|
596 (progn
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|
597 (set-marker he-search-loc he-string-end)
|
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|
598 (setq he-search-bw ())))))
|
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|
599
|
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|
600 (if (not expansion) ; Then look forward.
|
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|
601 (progn
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|
602 (goto-char he-search-loc)
|
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|
603 (setq expansion (he-line-search he-search-string
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|
604 strip-prompt nil))
|
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|
605 (set-marker he-search-loc (point))))))
|
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|
606
|
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|
607 (if (not expansion)
|
|
|
608 (progn
|
|
|
609 (if old (he-reset-string))
|
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|
610 ())
|
|
|
611 (progn
|
|
|
612 (he-substitute-string expansion t)
|
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|
613 t))))
|
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|
614
|
|
|
615 (defun try-expand-line-all-buffers (old)
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|
|
616 "Try to complete the current line, searching all other buffers.
|
|
|
617 The argument OLD has to be nil the first call of this function, and t
|
|
|
618 for subsequent calls (for further possible completions of the same
|
|
|
619 string). It returns t if a new completion is found, nil otherwise."
|
|
|
620 (let ((expansion ())
|
|
|
621 (strip-prompt (and (get-buffer-process (current-buffer))
|
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|
622 comint-prompt-regexp))
|
|
|
623 (buf (current-buffer))
|
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|
624 (orig-case-fold-search case-fold-search))
|
|
|
625 (if (not old)
|
|
|
626 (progn
|
|
|
627 (he-init-string (he-line-beg strip-prompt) (point))
|
|
|
628 (setq he-search-bufs (buffer-list))
|
|
|
629 (setq he-searched-n-bufs 0)
|
|
|
630 (set-marker he-search-loc 1 (car he-search-bufs))))
|
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|
631
|
|
|
632 (if (not (equal he-search-string ""))
|
|
|
633 (while (and he-search-bufs
|
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|
634 (not expansion)
|
|
|
635 (or (not hippie-expand-max-buffers)
|
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|
636 (< he-searched-n-bufs hippie-expand-max-buffers)))
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|
637 (set-buffer (car he-search-bufs))
|
|
|
638 (if (and (not (eq (current-buffer) buf))
|
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|
639 (not (memq major-mode hippie-expand-ignore-buffers))
|
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|
640 (not (he-regexp-member (buffer-name)
|
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|
641 hippie-expand-ignore-buffers)))
|
|
|
642 (save-excursion
|
|
|
643 (goto-char he-search-loc)
|
|
|
644 (setq strip-prompt (and (get-buffer-process (current-buffer))
|
|
|
645 comint-prompt-regexp))
|
|
|
646 (setq expansion (let ((case-fold-search orig-case-fold-search))
|
|
|
647 (he-line-search he-search-string
|
|
|
648 strip-prompt nil)))
|
|
|
649 (set-marker he-search-loc (point))
|
|
|
650 (if (not expansion)
|
|
|
651 (progn
|
|
|
652 (setq he-search-bufs (cdr he-search-bufs))
|
|
|
653 (setq he-searched-n-bufs (1+ he-searched-n-bufs))
|
|
|
654 (set-marker he-search-loc 1 (car he-search-bufs)))))
|
|
|
655 (setq he-search-bufs (cdr he-search-bufs))
|
|
|
656 (set-marker he-search-loc 1 (car he-search-bufs)))))
|
|
|
657
|
|
|
658 (set-buffer buf)
|
|
|
659 (if (not expansion)
|
|
|
660 (progn
|
|
|
661 (if old (he-reset-string))
|
|
|
662 ())
|
|
|
663 (progn
|
|
|
664 (he-substitute-string expansion t)
|
|
|
665 t))))
|
|
|
666
|
|
|
667 (defun he-line-search (str strip-prompt reverse)
|
|
|
668 (let ((result ()))
|
|
|
669 (while (and (not result)
|
|
|
670 (if reverse
|
|
|
671 (re-search-backward
|
|
|
672 (he-line-search-regexp str strip-prompt)
|
|
|
673 nil t)
|
|
|
674 (re-search-forward
|
|
|
675 (he-line-search-regexp str strip-prompt)
|
|
|
676 nil t)))
|
|
|
677 (setq result (buffer-substring (match-beginning 2) (match-end 2)))
|
|
|
678 (if (he-string-member result he-tried-table t)
|
|
|
679 (setq result nil))) ; if already in table, ignore
|
|
|
680 result))
|
|
|
681
|
|
|
682 (defun he-line-beg (strip-prompt)
|
|
|
683 (save-excursion
|
|
|
684 (if (re-search-backward (he-line-search-regexp "" strip-prompt)
|
|
|
685 (save-excursion (beginning-of-line)
|
|
|
686 (point)) t)
|
|
|
687 (match-beginning 2)
|
|
|
688 (point))))
|
|
|
689
|
|
|
690 (defun he-line-search-regexp (pat strip-prompt)
|
|
|
691 (if strip-prompt
|
|
|
692 (concat "\\(" comint-prompt-regexp "\\|^\\s-*\\)\\("
|
|
|
693 (regexp-quote pat)
|
|
|
694 "[^\n]*[^ \t\n]\\)")
|
|
|
695 (concat "^\\(\\s-*\\)\\("
|
|
|
696 (regexp-quote pat)
|
|
|
697 "[^\n]*[^ \t\n]\\)")))
|
|
|
698
|
|
|
699 (defun try-expand-list (old)
|
|
|
700 "Try to complete the current beginning of a list.
|
|
|
701 The argument OLD has to be nil the first call of this function, and t
|
|
|
702 for subsequent calls (for further possible completions of the same
|
|
|
703 string). It returns t if a new completion is found, nil otherwise."
|
|
|
704 (let ((expansion ()))
|
|
|
705 (if (not old)
|
|
|
706 (progn
|
|
|
707 (he-init-string (he-list-beg) (point))
|
|
|
708 (set-marker he-search-loc he-string-beg)
|
|
|
709 (setq he-search-bw t)))
|
|
|
710
|
|
|
711 (if (not (equal he-search-string ""))
|
|
|
712 (save-excursion
|
|
|
713 ;; Try looking backward unless inhibited.
|
|
|
714 (if he-search-bw
|
|
|
715 (progn
|
|
|
716 (goto-char he-search-loc)
|
|
|
717 (setq expansion (he-list-search he-search-string t))
|
|
|
718 (set-marker he-search-loc (point))
|
|
|
719 (if (not expansion)
|
|
|
720 (progn
|
|
|
721 (set-marker he-search-loc he-string-end)
|
|
|
722 (setq he-search-bw ())))))
|
|
|
723
|
|
|
724 (if (not expansion) ; Then look forward.
|
|
|
725 (progn
|
|
|
726 (goto-char he-search-loc)
|
|
|
727 (setq expansion (he-list-search he-search-string nil))
|
|
|
728 (set-marker he-search-loc (point))))))
|
|
|
729
|
|
|
730 (if (not expansion)
|
|
|
731 (progn
|
|
|
732 (if old (he-reset-string))
|
|
|
733 ())
|
|
|
734 (progn
|
|
|
735 (he-substitute-string expansion t)
|
|
|
736 t))))
|
|
|
737
|
|
|
738 (defun try-expand-list-all-buffers (old)
|
|
|
739 "Try to complete the current list, searching all other buffers.
|
|
|
740 The argument OLD has to be nil the first call of this function, and t
|
|
|
741 for subsequent calls (for further possible completions of the same
|
|
|
742 string). It returns t if a new completion is found, nil otherwise."
|
|
|
743 (let ((expansion ())
|
|
|
744 (buf (current-buffer))
|
|
|
745 (orig-case-fold-search case-fold-search))
|
|
|
746 (if (not old)
|
|
|
747 (progn
|
|
|
748 (he-init-string (he-list-beg) (point))
|
|
|
749 (setq he-search-bufs (buffer-list))
|
|
|
750 (setq he-searched-n-bufs 0)
|
|
|
751 (set-marker he-search-loc 1 (car he-search-bufs))))
|
|
|
752
|
|
|
753 (if (not (equal he-search-string ""))
|
|
|
754 (while (and he-search-bufs
|
|
|
755 (not expansion)
|
|
|
756 (or (not hippie-expand-max-buffers)
|
|
|
757 (< he-searched-n-bufs hippie-expand-max-buffers)))
|
|
|
758 (set-buffer (car he-search-bufs))
|
|
|
759 (if (and (not (eq (current-buffer) buf))
|
|
|
760 (not (memq major-mode hippie-expand-ignore-buffers))
|
|
|
761 (not (he-regexp-member (buffer-name)
|
|
|
762 hippie-expand-ignore-buffers)))
|
|
|
763 (save-excursion
|
|
|
764 (goto-char he-search-loc)
|
|
|
765 (setq expansion (let ((case-fold-search orig-case-fold-search))
|
|
|
766 (he-list-search he-search-string nil)))
|
|
|
767 (set-marker he-search-loc (point))
|
|
|
768 (if (not expansion)
|
|
|
769 (progn
|
|
|
770 (setq he-search-bufs (cdr he-search-bufs))
|
|
|
771 (setq he-searched-n-bufs (1+ he-searched-n-bufs))
|
|
|
772 (set-marker he-search-loc 1 (car he-search-bufs)))))
|
|
|
773 (setq he-search-bufs (cdr he-search-bufs))
|
|
|
774 (set-marker he-search-loc 1 (car he-search-bufs)))))
|
|
|
775
|
|
|
776 (set-buffer buf)
|
|
|
777 (if (not expansion)
|
|
|
778 (progn
|
|
|
779 (if old (he-reset-string))
|
|
|
780 ())
|
|
|
781 (progn
|
|
|
782 (he-substitute-string expansion t)
|
|
|
783 t))))
|
|
|
784
|
|
|
785 (defun he-list-search (str reverse)
|
|
|
786 (let ((result ())
|
|
|
787 beg pos err)
|
|
|
788 (while (and (not result)
|
|
|
789 (if reverse
|
|
|
790 (search-backward str nil t)
|
|
|
791 (search-forward str nil t)))
|
|
|
792 (setq pos (point))
|
|
|
793 (setq beg (match-beginning 0))
|
|
|
794 (goto-char beg)
|
|
|
795 (setq err ())
|
|
|
796 (condition-case ()
|
|
|
797 (forward-list 1)
|
|
|
798 (error (setq err t)))
|
|
|
799 (if (and reverse
|
|
|
800 (> (point) he-string-beg))
|
|
|
801 (setq err t))
|
|
|
802 (if (not err)
|
|
|
803 (progn
|
|
|
804 (setq result (buffer-substring beg (point)))
|
|
|
805 (if (he-string-member result he-tried-table t)
|
|
|
806 (setq result nil)))) ; if already in table, ignore
|
|
|
807 (goto-char pos))
|
|
|
808 result))
|
|
|
809
|
|
|
810 (defun he-list-beg ()
|
|
|
811 (save-excursion
|
|
|
812 (condition-case ()
|
|
|
813 (backward-up-list 1)
|
|
|
814 (error ()))
|
|
|
815 (point)))
|
|
|
816
|
|
|
817 (defun try-expand-all-abbrevs (old)
|
|
|
818 "Try to expand word before point according to all abbrev tables.
|
|
|
819 The argument OLD has to be nil the first call of this function, and t
|
|
|
820 for subsequent calls (for further possible expansions of the same
|
|
|
821 string). It returns t if a new expansion is found, nil otherwise."
|
|
|
822 (if (not old)
|
|
|
823 (progn
|
|
|
824 (he-init-string (he-dabbrev-beg) (point))
|
|
|
825 (setq he-expand-list
|
|
|
826 (and (not (equal he-search-string ""))
|
|
|
827 (mapcar (function (lambda (sym)
|
|
|
828 (if (and (boundp sym) (vectorp (eval sym)))
|
|
|
829 (abbrev-expansion (downcase he-search-string)
|
|
|
830 (eval sym)))))
|
|
|
831 (append '(local-abbrev-table
|
|
|
832 global-abbrev-table)
|
|
|
833 abbrev-table-name-list))))))
|
|
|
834 (while (and he-expand-list
|
|
|
835 (or (not (car he-expand-list))
|
|
|
836 (he-string-member (car he-expand-list) he-tried-table t)))
|
|
|
837 (setq he-expand-list (cdr he-expand-list)))
|
|
|
838 (if (null he-expand-list)
|
|
|
839 (progn
|
|
|
840 (if old (he-reset-string))
|
|
|
841 ())
|
|
|
842 (progn
|
|
|
843 (he-substitute-string (car he-expand-list) t)
|
|
|
844 (setq he-expand-list (cdr he-expand-list))
|
|
|
845 t)))
|
|
|
846
|
|
|
847 (defun try-expand-dabbrev (old)
|
|
|
848 "Try to expand word \"dynamically\", searching the current buffer.
|
|
|
849 The argument OLD has to be nil the first call of this function, and t
|
|
|
850 for subsequent calls (for further possible expansions of the same
|
|
|
851 string). It returns t if a new expansion is found, nil otherwise."
|
|
|
852 (let ((expansion ()))
|
|
|
853 (if (not old)
|
|
|
854 (progn
|
|
|
855 (he-init-string (he-dabbrev-beg) (point))
|
|
|
856 (set-marker he-search-loc he-string-beg)
|
|
|
857 (setq he-search-bw t)))
|
|
|
858
|
|
|
859 (if (not (equal he-search-string ""))
|
|
|
860 (save-excursion
|
|
|
861 ;; Try looking backward unless inhibited.
|
|
|
862 (if he-search-bw
|
|
|
863 (progn
|
|
|
864 (goto-char he-search-loc)
|
|
|
865 (setq expansion (he-dabbrev-search he-search-string t))
|
|
|
866 (set-marker he-search-loc (point))
|
|
|
867 (if (not expansion)
|
|
|
868 (progn
|
|
|
869 (set-marker he-search-loc he-string-end)
|
|
|
870 (setq he-search-bw ())))))
|
|
|
871
|
|
|
872 (if (not expansion) ; Then look forward.
|
|
|
873 (progn
|
|
|
874 (goto-char he-search-loc)
|
|
|
875 (setq expansion (he-dabbrev-search he-search-string nil))
|
|
|
876 (set-marker he-search-loc (point))))))
|
|
|
877
|
|
|
878 (if (not expansion)
|
|
|
879 (progn
|
|
|
880 (if old (he-reset-string))
|
|
|
881 ())
|
|
|
882 (progn
|
|
|
883 (he-substitute-string expansion t)
|
|
|
884 t))))
|
|
|
885
|
|
|
886 (defun try-expand-dabbrev-all-buffers (old)
|
|
|
887 "Tries to expand word \"dynamically\", searching all other buffers.
|
|
|
888 The argument OLD has to be nil the first call of this function, and t
|
|
|
889 for subsequent calls (for further possible expansions of the same
|
|
|
890 string). It returns t if a new expansion is found, nil otherwise."
|
|
|
891 (let ((expansion ())
|
|
|
892 (buf (current-buffer))
|
|
|
893 (orig-case-fold-search case-fold-search))
|
|
|
894 (if (not old)
|
|
|
895 (progn
|
|
|
896 (he-init-string (he-dabbrev-beg) (point))
|
|
|
897 (setq he-search-bufs (buffer-list))
|
|
|
898 (setq he-searched-n-bufs 0)
|
|
|
899 (set-marker he-search-loc 1 (car he-search-bufs))))
|
|
|
900
|
|
|
901 (if (not (equal he-search-string ""))
|
|
|
902 (while (and he-search-bufs
|
|
|
903 (not expansion)
|
|
|
904 (or (not hippie-expand-max-buffers)
|
|
|
905 (< he-searched-n-bufs hippie-expand-max-buffers)))
|
|
|
906 (set-buffer (car he-search-bufs))
|
|
|
907 (if (and (not (eq (current-buffer) buf))
|
|
|
908 (not (memq major-mode hippie-expand-ignore-buffers))
|
|
|
909 (not (he-regexp-member (buffer-name)
|
|
|
910 hippie-expand-ignore-buffers)))
|
|
|
911 (save-excursion
|
|
|
912 (goto-char he-search-loc)
|
|
|
913 (setq expansion (let ((case-fold-search orig-case-fold-search))
|
|
|
914 (he-dabbrev-search he-search-string nil)))
|
|
|
915 (set-marker he-search-loc (point))
|
|
|
916 (if (not expansion)
|
|
|
917 (progn
|
|
|
918 (setq he-search-bufs (cdr he-search-bufs))
|
|
|
919 (setq he-searched-n-bufs (1+ he-searched-n-bufs))
|
|
|
920 (set-marker he-search-loc 1 (car he-search-bufs)))))
|
|
|
921 (setq he-search-bufs (cdr he-search-bufs))
|
|
|
922 (set-marker he-search-loc 1 (car he-search-bufs)))))
|
|
|
923
|
|
|
924 (set-buffer buf)
|
|
|
925 (if (not expansion)
|
|
|
926 (progn
|
|
|
927 (if old (he-reset-string))
|
|
|
928 ())
|
|
|
929 (progn
|
|
|
930 (he-substitute-string expansion t)
|
|
|
931 t))))
|
|
|
932
|
|
|
933 ;; Thanks go to Jeff Dairiki <dairiki@faraday.apl.washington.edu> who
|
|
|
934 ;; suggested this one.
|
|
|
935 (defun try-expand-dabbrev-visible (old)
|
|
|
936 "Try to expand word \"dynamically\", searching visible window parts.
|
|
|
937 The argument OLD has to be nil the first call of this function, and t
|
|
|
938 for subsequent calls (for further possible expansions of the same
|
|
|
939 string). It returns t if a new expansion is found, nil otherwise."
|
|
|
940 (let ((expansion ())
|
|
|
941 (buf (current-buffer))
|
|
|
942 (flag (if (frame-visible-p (window-frame (selected-window)))
|
|
|
943 'visible t)))
|
|
|
944 (if (not old)
|
|
|
945 (progn
|
|
|
946 (he-init-string (he-dabbrev-beg) (point))
|
|
|
947 (setq he-search-window (selected-window))
|
|
|
948 (set-marker he-search-loc
|
|
|
949 (window-start he-search-window)
|
|
|
950 (window-buffer he-search-window))))
|
|
|
951
|
|
|
952 (while (and (not (equal he-search-string ""))
|
|
|
953 (marker-position he-search-loc)
|
|
|
954 (not expansion))
|
|
|
955 (save-excursion
|
|
|
956 (set-buffer (marker-buffer he-search-loc))
|
|
|
957 (goto-char he-search-loc)
|
|
|
958 (setq expansion (he-dabbrev-search he-search-string ()
|
|
|
959 (window-end he-search-window)))
|
|
|
960 (if (and expansion
|
|
|
961 (eq (marker-buffer he-string-beg) (current-buffer))
|
|
|
962 (eq (marker-position he-string-beg) (match-beginning 0)))
|
|
|
963 (setq expansion (he-dabbrev-search he-search-string ()
|
|
|
964 (window-end he-search-window))))
|
|
|
965 (set-marker he-search-loc (point) (current-buffer)))
|
|
|
966 (if (not expansion)
|
|
|
967 (progn
|
|
|
968 (setq he-search-window (next-window he-search-window nil flag))
|
|
|
969 (if (eq he-search-window (selected-window))
|
|
|
970 (set-marker he-search-loc nil)
|
|
|
971 (set-marker he-search-loc (window-start he-search-window)
|
|
|
972 (window-buffer he-search-window))))))
|
|
|
973
|
|
|
974 (set-buffer buf)
|
|
|
975 (if (not expansion)
|
|
|
976 (progn
|
|
|
977 (if old (he-reset-string))
|
|
|
978 ())
|
|
|
979 (progn
|
|
|
980 (he-substitute-string expansion t)
|
|
|
981 t))))
|
|
|
982
|
|
|
983 (defun he-dabbrev-search (pattern &optional reverse limit)
|
|
|
984 (let ((result ())
|
|
|
985 (regpat (if (eq (char-syntax (aref pattern 0)) ?_)
|
|
|
986 (concat (regexp-quote pattern) "\\(\\sw\\|\\s_\\)+")
|
|
|
987 (concat "\\<" (regexp-quote pattern) "\\(\\sw\\|\\s_\\)+"))))
|
|
|
988 (while (and (not result)
|
|
|
989 (if reverse
|
|
|
990 (re-search-backward regpat limit t)
|
|
|
991 (re-search-forward regpat limit t)))
|
|
|
992 (setq result (buffer-substring (match-beginning 0) (match-end 0)))
|
|
|
993 (if (or (and (> (match-beginning 0) (point-min))
|
|
|
994 (memq (char-syntax (char-after (1- (match-beginning 0))))
|
|
|
995 '(?_ ?w)))
|
|
|
996 (he-string-member result he-tried-table t))
|
|
|
997 (setq result nil))) ; ignore if bad prefix or already in table
|
|
|
998 result))
|
|
|
999
|
|
|
1000 (defvar he-dabbrev-skip-space ()
|
|
|
1001 "Non-NIL means tolerate trailing spaces in the abbreviation to expand.")
|
|
|
1002
|
|
|
1003 (defun he-dabbrev-beg ()
|
|
|
1004 (let ((op (point)))
|
|
|
1005 (save-excursion
|
|
|
1006 (if he-dabbrev-skip-space
|
|
|
1007 (skip-syntax-backward ". "))
|
|
|
1008 (if (= (skip-syntax-backward "w_") 0)
|
|
|
1009 op
|
|
|
1010 (point)))))
|
|
|
1011
|
|
|
1012 (defun try-expand-dabbrev-from-kill (old)
|
|
|
1013 "Try to expand word \"dynamically\", searching the kill ring.
|
|
|
1014 The argument OLD has to be nil the first call of this function, and t
|
|
|
1015 for subsequent calls (for further possible completions of the same
|
|
|
1016 string). It returns t if a new completion is found, nil otherwise."
|
|
|
1017 (let ((expansion ()))
|
|
|
1018 (if (not old)
|
|
|
1019 (progn
|
|
|
1020 (he-init-string (he-dabbrev-beg) (point))
|
|
|
1021 (setq he-expand-list
|
|
|
1022 (if (not (equal he-search-string ""))
|
|
|
1023 kill-ring))
|
|
|
1024 (setq he-search-loc2 0)))
|
|
|
1025 (if (not (equal he-search-string ""))
|
|
|
1026 (setq expansion (he-dabbrev-kill-search he-search-string)))
|
|
|
1027 (if (not expansion)
|
|
|
1028 (progn
|
|
|
1029 (if old (he-reset-string))
|
|
|
1030 ())
|
|
|
1031 (progn
|
|
|
1032 (he-substitute-string expansion t)
|
|
|
1033 t))))
|
|
|
1034
|
|
|
1035 (defun he-dabbrev-kill-search (pattern)
|
|
|
1036 (let ((result ())
|
|
|
1037 (regpat (if (eq (char-syntax (aref pattern 0)) ?_)
|
|
|
1038 (concat (regexp-quote pattern) "\\(\\sw\\|\\s_\\)+")
|
|
|
1039 (concat "\\<" (regexp-quote pattern) "\\(\\sw\\|\\s_\\)+")))
|
|
|
1040 (killstr (car he-expand-list)))
|
|
|
1041 (while (and (not result)
|
|
|
1042 he-expand-list)
|
|
|
1043 (while (and (not result)
|
|
|
1044 (string-match regpat killstr he-search-loc2))
|
|
|
1045 (setq result (substring killstr (match-beginning 0) (match-end 0)))
|
|
|
1046 (setq he-search-loc2 (1+ (match-beginning 0)))
|
|
|
1047 (if (or (and (> (match-beginning 0) 0)
|
|
|
1048 (memq (char-syntax (aref killstr (1- (match-beginning 0))))
|
|
|
1049 '(?_ ?w)))
|
|
|
1050 (he-string-member result he-tried-table t))
|
|
|
1051 (setq result nil))) ; ignore if bad prefix or already in table
|
|
|
1052 (if (and (not result)
|
|
|
1053 he-expand-list)
|
|
|
1054 (progn
|
|
|
1055 (setq he-expand-list (cdr he-expand-list))
|
|
|
1056 (setq killstr (car he-expand-list))
|
|
|
1057 (setq he-search-loc2 0))))
|
|
|
1058 result))
|
|
|
1059
|
|
|
1060 (defun try-expand-whole-kill (old)
|
|
|
1061 "Try to complete text with something from the kill ring.
|
|
|
1062 The argument OLD has to be nil the first call of this function, and t
|
|
|
1063 for subsequent calls (for further possible completions of the same
|
|
|
1064 string). It returns t if a new completion is found, nil otherwise."
|
|
|
1065 (let ((expansion ()))
|
|
|
1066 (if (not old)
|
|
|
1067 (progn
|
|
|
1068 (he-init-string (he-kill-beg) (point))
|
|
|
1069 (if (not (he-string-member he-search-string he-tried-table))
|
|
|
1070 (setq he-tried-table (cons he-search-string he-tried-table)))
|
|
|
1071 (setq he-expand-list
|
|
|
1072 (if (not (equal he-search-string ""))
|
|
|
1073 kill-ring))
|
|
|
1074 (setq he-search-loc2 ())))
|
|
|
1075 (if (not (equal he-search-string ""))
|
|
|
1076 (setq expansion (he-whole-kill-search he-search-string)))
|
|
|
1077 (if (not expansion)
|
|
|
1078 (progn
|
|
|
1079 (if old (he-reset-string))
|
|
|
1080 ())
|
|
|
1081 (progn
|
|
|
1082 (he-substitute-string expansion)
|
|
|
1083 t))))
|
|
|
1084
|
|
|
1085 (defun he-whole-kill-search (str)
|
|
|
1086 (let ((case-fold-search ())
|
|
|
1087 (result ())
|
|
|
1088 (str (regexp-quote str))
|
|
|
1089 (killstr (car he-expand-list))
|
|
|
1090 (pos -1))
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1091 (while (and (not result)
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1092 he-expand-list)
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1093 (if (not he-search-loc2)
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1094 (while (setq pos (string-match str killstr (1+ pos)))
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1095 (setq he-search-loc2 (cons pos he-search-loc2))))
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1096 (while (and (not result)
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1097 he-search-loc2)
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1098 (setq pos (car he-search-loc2))
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1099 (setq he-search-loc2 (cdr he-search-loc2))
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1100 (save-excursion
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1101 (goto-char he-string-beg)
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1102 (if (and (>= (- (point) pos) (point-min)) ; avoid some string GC
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1103 (eq (char-after (- (point) pos)) (aref killstr 0))
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1104 (search-backward (substring killstr 0 pos)
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1105 (- (point) pos) t))
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|
|
1106 (setq result (substring killstr pos))))
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|
|
1107 (if (and result
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1108 (he-string-member result he-tried-table))
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|
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1109 (setq result nil))) ; ignore if already in table
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|
|
1110 (if (and (not result)
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1111 he-expand-list)
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|
|
1112 (progn
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|
|
1113 (setq he-expand-list (cdr he-expand-list))
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|
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1114 (setq killstr (car he-expand-list))
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|
|
1115 (setq pos -1))))
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|
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1116 result))
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|
1117
|
|
|
1118 (defun he-kill-beg ()
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|
|
1119 (let ((op (point)))
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|
|
1120 (save-excursion
|
|
|
1121 (skip-syntax-backward "^w_")
|
|
|
1122 (if (= (skip-syntax-backward "w_") 0)
|
|
|
1123 op
|
|
|
1124 (point)))))
|
|
|
1125
|
|
|
1126
|
|
|
1127 (provide 'hippie-exp)
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|
|
1128
|
|
|
1129 ;;; hippie-exp.el ends here
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