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annotate runtime/plugin/logiPat.vim @ 34538:c865c2f93a04 v9.1.0171

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patch 9.1.0171: Small split-move related improvements Commit: https://github.com/vim/vim/commit/5cac1a9bee0798d70a7fd80363a1f697759638e8 Author: Sean Dewar <6256228+seandewar@users.noreply.github.com> Date: Tue Mar 12 21:11:39 2024 +0100 patch 9.1.0171: Small split-move related improvements Problem: small improvements can be made to split-move related functions. Solution: apply them (Sean Dewar): - Improve some doc comments (frame_flatten should still work for non-current tabpages, despite the topframe check, which looks benign, though I'm unsure if it's still needed; see #2467). - f_win_splitmove should check_split_disallowed on wp, not targetwin, as that's what win_splitmove checks (though it's probably unnecessary to check b_locked_split at all; see #14109, which I hope to get around to finishing at some point). - Make winframe_restore restore window positions for the altframe, which winframe_remove changes. This doesn't affect the prior behaviour, as we called win_comp_pos after, but as win_comp_pos only works for curtab, and winframe_remove supports non-current tabpages, we should undo it. Regardless, this should mean we don't need win_comp_pos anymore; adjust tests to check that window positions remain unchanged. I'm not sure win_comp_pos is needed after last_status anyway if it doesn't steal rows from another frame to make room for a new statusline, which shouldn't be the case after winframe_remove? To be safe, I'll leave it as is. closes: #14185 Signed-off-by: Sean Dewar <6256228+seandewar@users.noreply.github.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Tue, 12 Mar 2024 21:15:03 +0100
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children
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1 " LogiPat: Boolean logical pattern matcher
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2 " Maintainer: This runtime file is looking for a new maintainer.
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3 " Original Author: Charles E. Campbell
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4 " Date: Apr 04, 2016
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5 " Version: 4
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6 " Purpose: to do Boolean-logic based regular expression pattern matching
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7 " Copyright: Copyright (C) 1999-2011 Charles E. Campbell {{{1
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8 " Permission is hereby granted to use and distribute this code,
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9 " with or without modifications, provided that this copyright
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10 " notice is copied with it. Like most anything else that's free,
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11 " LogiPat.vim is provided *as is* and comes with no warranty
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12 " of any kind, either expressed or implied. By using this
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13 " plugin, you agree that in no event will the copyright
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14 " holder be liable for any damages resulting from the use
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15 " of this software.
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16 "
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17 " Usage: {{{1
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18 " :LogiPat ...
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19 "
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20 " Boolean logic supported:
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21 " () grouping operators
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22 " ! not the following pattern
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23 " | logical or
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24 " & logical and
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25 " "..pattern.."
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26 " Example: {{{1
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27 " :LogiPat !("january"|"february")
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28 " would match all strings not containing the strings january
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29 " or february
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30 " GetLatestVimScripts: 1290 1 :AutoInstall: LogiPat.vim
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31 "
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32 " Behold, you will conceive in your womb, and bring forth a son, {{{1
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33 " and will call his name Jesus. He will be great, and will be
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34 " called the Son of the Most High. The Lord God will give him the
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35 " throne of his father, David, and he will reign over the house of
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36 " Jacob forever. There will be no end to his kingdom. (Luke 1:31-33 WEB)
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37
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38 " ---------------------------------------------------------------------
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39 " Load Once: {{{1
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40 if &cp || exists("loaded_logiPat")
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41 finish
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42 endif
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43 let g:loaded_logiPat = "v4"
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44 let s:keepcpo = &cpo
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45 set cpo&vim
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46 "DechoRemOn
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47
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48 " ---------------------------------------------------------------------
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49 " Public Interface: {{{1
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50 com! -nargs=* LogiPat call LogiPat(<q-args>,1)
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51 sil! com -nargs=* LP call LogiPat(<q-args>,1)
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52 sil! com -nargs=* LPR call LogiPat(<q-args>,1,"r")
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53 com! -nargs=+ LPE echomsg LogiPat(<q-args>)
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54 com! -nargs=+ LogiPatFlags let s:LogiPatFlags="<args>"
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55 sil! com -nargs=+ LPF let s:LogiPatFlags="<args>"
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56
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57 " =====================================================================
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58 " Functions: {{{1
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59
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60 " ---------------------------------------------------------------------
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61 " LogiPat: this function interprets the boolean-logic pattern {{{2
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62 fun! LogiPat(pat,...)
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63 " call Dfunc("LogiPat(pat<".a:pat.">)")
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64
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65 " LogiPat(pat,dosearch)
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66 if a:0 > 0
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67 let dosearch= a:1
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68 else
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69 let dosearch= 0
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70 endif
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71 if a:0 >= 3
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72 let s:LogiPatFlags= a:3
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73 endif
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74
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75 let s:npatstack = 0
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76 let s:nopstack = 0
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77 let s:preclvl = 0
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78 let expr = a:pat
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79
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80 " Lexer/Parser
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81 while expr != ""
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82 " call Decho("expr<".expr.">")
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83
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84 if expr =~ '^"'
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85 " push a Pattern; accept "" as a single " in the pattern
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86 let expr = substitute(expr,'^\s*"','','')
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87 let pat = substitute(expr,'^\(\%([^"]\|\"\"\)\{-}\)"\([^"].*$\|$\)','\1','')
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88 let pat = substitute(pat,'""','"','g')
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89 let expr = substitute(expr,'^\(\%([^"]\|\"\"\)\{-}\)"\([^"].*$\|$\)','\2','')
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90 let expr = substitute(expr,'^\s*','','')
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91 " call Decho("pat<".pat."> expr<".expr.">")
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92
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93 call s:LP_PatPush('.*'.pat.'.*')
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94
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95 elseif expr =~ '^[!()|&]'
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96 " push an operator
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97 let op = strpart(expr,0,1)
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98 let expr = strpart(expr,strlen(op))
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99 " allow for those who can't resist doubling their and/or operators
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100 if op =~ '[|&]' && expr[0] == op
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101 let expr = strpart(expr,strlen(op))
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102 endif
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103 call s:LP_OpPush(op)
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104
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105 elseif expr =~ '^\s'
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106 " skip whitespace
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107 let expr= strpart(expr,1)
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108
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109 else
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110 echoerr "operator<".strpart(expr,0,1)."> not supported (yet)"
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111 let expr= strpart(expr,1)
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112 endif
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113
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114 endwhile
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115
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116 " Final Execution
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117 call s:LP_OpPush('Z')
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118
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119 let result= s:LP_PatPop(1)
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120 " call Decho("result=".result)
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121
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122 " sanity checks and cleanup
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123 if s:npatstack > 0
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124 echoerr s:npatstack." patterns left on stack!"
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125 let s:npatstack= 0
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126 endif
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127 if s:nopstack > 0
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128 echoerr s:nopstack." operators left on stack!"
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129 let s:nopstack= 0
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130 endif
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131
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132 " perform the indicated search
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133 if dosearch
8869
b73f9ed65072 commit https://github.com/vim/vim/commit/939a1abe935a539f2d4c90a56cb0682cbaf3bbb0
Christian Brabandt <cb@256bit.org>
parents: 6855
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134 if exists("s:LogiPatFlags") && s:LogiPatFlags != ""
6855
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135 " call Decho("search(result<".result."> LogiPatFlags<".s:LogiPatFlags.">)")
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136 call search(result,s:LogiPatFlags)
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137 else
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138 " call Decho("search(result<".result.">)")
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139 call search(result)
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140 endif
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141 let @/= result
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142 endif
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143
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144 " call Dret("LogiPat ".result)
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145 return result
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146 endfun
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147
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148 " ---------------------------------------------------------------------
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149 " s:String: Vim6.4 doesn't have string() {{{2
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150 func! s:String(str)
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151 return "'".escape(a:str, '"')."'"
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152 endfunc
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153
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154 " ---------------------------------------------------------------------
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155 " LP_PatPush: {{{2
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156 fun! s:LP_PatPush(pat)
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157 " call Dfunc("LP_PatPush(pat<".a:pat.">)")
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158 let s:npatstack = s:npatstack + 1
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159 let s:patstack_{s:npatstack} = a:pat
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160 " call s:StackLook("patpush") "Decho
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161 " call Dret("LP_PatPush : npatstack=".s:npatstack)
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162 endfun
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163
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164 " ---------------------------------------------------------------------
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165 " LP_PatPop: pop a number/variable from LogiPat's pattern stack {{{2
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166 fun! s:LP_PatPop(lookup)
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167 " call Dfunc("LP_PatPop(lookup=".a:lookup.")")
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168 if s:npatstack > 0
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169 let ret = s:patstack_{s:npatstack}
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170 let s:npatstack = s:npatstack - 1
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171 else
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172 let ret= "---error---"
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173 echoerr "(LogiPat) invalid expression"
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174 endif
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175 " call s:StackLook("patpop") "Decho
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176 " call Dret("LP_PatPop ".ret)
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177 return ret
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178 endfun
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179
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180 " ---------------------------------------------------------------------
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181 " LP_OpPush: {{{2
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182 fun! s:LP_OpPush(op)
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183 " call Dfunc("LP_OpPush(op<".a:op.">)")
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184
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185 " determine new operator's precedence level
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186 if a:op == '('
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187 let s:preclvl= s:preclvl + 10
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188 let preclvl = s:preclvl
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189 elseif a:op == ')'
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190 let s:preclvl= s:preclvl - 10
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191 if s:preclvl < 0
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192 let s:preclvl= 0
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193 echoerr "too many )s"
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194 endif
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195 let preclvl= s:preclvl
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196 elseif a:op =~ '|'
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197 let preclvl= s:preclvl + 2
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198 elseif a:op =~ '&'
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199 let preclvl= s:preclvl + 4
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200 elseif a:op == '!'
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201 let preclvl= s:preclvl + 6
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202 elseif a:op == 'Z'
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203 let preclvl= -1
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204 else
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205 echoerr "expr<".expr."> not supported (yet)"
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206 let preclvl= s:preclvl
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207 endif
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208 " call Decho("new operator<".a:op."> preclvl=".preclvl)
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209
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210 " execute higher-precdence operators
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211 " call Decho("execute higher-precedence operators")
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212 call s:LP_Execute(preclvl)
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213
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214 " push new operator onto operator-stack
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215 " call Decho("push new operator<".a:op."> onto stack with preclvl=".preclvl." at nopstack=".(s:nopstack+1))
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216 if a:op =~ '!'
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217 let s:nopstack = s:nopstack + 1
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218 let s:opprec_{s:nopstack} = preclvl
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219 let s:opstack_{s:nopstack} = a:op
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220 elseif a:op =~ '|'
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221 let s:nopstack = s:nopstack + 1
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222 let s:opprec_{s:nopstack} = preclvl
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223 let s:opstack_{s:nopstack} = a:op
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224 elseif a:op == '&'
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225 let s:nopstack = s:nopstack + 1
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226 let s:opprec_{s:nopstack} = preclvl
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227 let s:opstack_{s:nopstack} = a:op
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228 endif
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229
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230 " call s:StackLook("oppush") "Decho
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231 " call Dret("LP_OpPush : s:preclvl=".s:preclvl)
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232 endfun
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233
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234 " ---------------------------------------------------------------------
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235 " LP_Execute: execute operators from opstack using pattern stack {{{2
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236 fun! s:LP_Execute(preclvl)
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237 " call Dfunc("LP_Execute(preclvl=".a:preclvl.") npatstack=".s:npatstack." nopstack=".s:nopstack)
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238
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239 " execute all higher precedence operators
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240 while s:nopstack > 0 && a:preclvl < s:opprec_{s:nopstack}
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241 let op= s:opstack_{s:nopstack}
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242 " call Decho("op<".op."> nop=".s:nopstack." [preclvl=".a:preclvl."] < [opprec_".s:nopstack."=".s:opprec_{s:nopstack}."]")
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243
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244 let s:nopstack = s:nopstack - 1
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245
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246 if op == '!'
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247 let n1= s:LP_PatPop(1)
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248 call s:LP_PatPush(s:LP_Not(n1))
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249
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250 elseif op == '|'
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251 let n1= s:LP_PatPop(1)
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252 let n2= s:LP_PatPop(1)
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253 call s:LP_PatPush(s:LP_Or(n2,n1))
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254
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255 elseif op =~ '&'
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256 let n1= s:LP_PatPop(1)
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257 let n2= s:LP_PatPop(1)
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258 call s:LP_PatPush(s:LP_And(n2,n1))
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259 endif
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260
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261 " call s:StackLook("execute") "Decho
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262 endwhile
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263
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264 " call Dret("LP_Execute")
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265 endfun
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266
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267 " ---------------------------------------------------------------------
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268 " LP_Not: writes a logical-not for a pattern {{{2
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269 fun! s:LP_Not(pat)
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270 " call Dfunc("LP_Not(pat<".a:pat.">)")
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271 if a:pat =~ '^\.\*' && a:pat =~ '\.\*$'
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272 let pat= substitute(a:pat,'^\.\*\(.*\)\.\*$','\1','')
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273 let ret= '^\%(\%('.pat.'\)\@!.\)*$'
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274 else
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275 let ret= '^\%(\%('.a:pat.'\)\@!.\)*$'
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276 endif
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277 " call Dret("LP_Not ".ret)
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278 return ret
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279 endfun
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280
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281 " ---------------------------------------------------------------------
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282 " LP_Or: writes a logical-or branch using two patterns {{{2
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283 fun! s:LP_Or(pat1,pat2)
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284 " call Dfunc("LP_Or(pat1<".a:pat1."> pat2<".a:pat2.">)")
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285 let ret= '\%('.a:pat1.'\|'.a:pat2.'\)'
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286 " call Dret("LP_Or ".ret)
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287 return ret
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288 endfun
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289
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290 " ---------------------------------------------------------------------
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291 " LP_And: writes a logical-and concat using two patterns {{{2
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292 fun! s:LP_And(pat1,pat2)
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293 " call Dfunc("LP_And(pat1<".a:pat1."> pat2<".a:pat2.">)")
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294 let ret= '\%('.a:pat1.'\&'.a:pat2.'\)'
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295 " call Dret("LP_And ".ret)
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296 return ret
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297 endfun
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298
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299 " ---------------------------------------------------------------------
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300 " StackLook: {{{2
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301 fun! s:StackLook(description)
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302 " call Dfunc("StackLook(description<".a:description.">)")
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303 let iop = 1
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304 let ifp = 1
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305 " call Decho("Pattern Operator")
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306
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307 " print both pattern and operator
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308 while ifp <= s:npatstack && iop <= s:nopstack
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309 let fp = s:patstack_{ifp}
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310 let op = s:opstack_{iop}." (P".s:opprec_{s:nopstack}.')'
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311 let fplen= strlen(fp)
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312 if fplen < 30
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313 let fp= fp.strpart(" ",1,30-fplen)
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314 endif
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315 " call Decho(fp.op)
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316 let ifp = ifp + 1
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317 let iop = iop + 1
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318 endwhile
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319
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320 " print just pattern
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321 while ifp <= s:npatstack
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322 let fp = s:patstack_{ifp}
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323 " call Decho(fp)
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324 let ifp = ifp + 1
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325 endwhile
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326
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327 " print just operator
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328 while iop <= s:nopstack
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329 let op = s:opstack_{iop}." (P".s:opprec_{s:nopstack}.')'
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330 " call Decho(" ".op)
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331 let iop = iop + 1
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332 endwhile
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333 " call Dret("StackLook")
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334 endfun
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335
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336 " ---------------------------------------------------------------------
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337 " Cleanup And Modeline: {{{1
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338 let &cpo= s:keepcpo
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339 unlet s:keepcpo
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340 " vim: ts=4 fdm=marker