Add the logiPat plugin to the distribution.
diff --git a/runtime/plugin/logiPat.vim b/runtime/plugin/logiPat.vim
new file mode 100644
index 0000000..a75d0ee
--- /dev/null
+++ b/runtime/plugin/logiPat.vim
@@ -0,0 +1,335 @@
+" LogiPat:
+" Author: Charles E. Campbell
+" Date: Mar 13, 2013
+" Version: 3
+" Purpose: to do Boolean-logic based regular expression pattern matching
+" Copyright: Copyright (C) 1999-2011 Charles E. Campbell {{{1
+" Permission is hereby granted to use and distribute this code,
+" with or without modifications, provided that this copyright
+" notice is copied with it. Like most anything else that's free,
+" LogiPat.vim is provided *as is* and comes with no warranty
+" of any kind, either expressed or implied. By using this
+" plugin, you agree that in no event will the copyright
+" holder be liable for any damages resulting from the use
+" of this software.
+"
+" Usage: {{{1
+" :LogiPat ...
+"
+" Boolean logic supported:
+" () grouping operators
+" ! not the following pattern
+" | logical or
+" & logical and
+" "..pattern.."
+" Example: {{{1
+" :LogiPat !("january"|"february")
+" would match all strings not containing the strings january
+" or february
+" GetLatestVimScripts: 1290 1 :AutoInstall: LogiPat.vim
+"
+" Behold, you will conceive in your womb, and bring forth a son, {{{1
+" and will call his name Jesus. He will be great, and will be
+" called the Son of the Most High. The Lord God will give him the
+" throne of his father, David, and he will reign over the house of
+" Jacob forever. There will be no end to his kingdom. (Luke 1:31-33 WEB)
+
+" ---------------------------------------------------------------------
+" Load Once: {{{1
+if &cp || exists("loaded_logipat")
+ finish
+endif
+let g:loaded_LogiPat = "v3"
+let s:keepcpo = &cpo
+set cpo&vim
+"DechoRemOn
+
+" ---------------------------------------------------------------------
+" Public Interface: {{{1
+com! -nargs=* LogiPat call LogiPat(<q-args>,1)
+silent! com -nargs=* LP call LogiPat(<q-args>,1)
+com! -nargs=+ ELP echomsg LogiPat(<q-args>)
+com! -nargs=+ LogiPatFlags let s:LogiPatFlags="<args>"
+silent! com -nargs=+ LPF let s:LogiPatFlags="<args>"
+
+" =====================================================================
+" Functions: {{{1
+
+" ---------------------------------------------------------------------
+" LogiPat: this function interprets the boolean-logic pattern {{{2
+fun! LogiPat(pat,...)
+" call Dfunc("LogiPat(pat<".a:pat.">)")
+
+ " LogiPat(pat,dosearch)
+ if a:0 > 0
+ let dosearch= a:1
+ else
+ let dosearch= 0
+ endif
+
+ let s:npatstack = 0
+ let s:nopstack = 0
+ let s:preclvl = 0
+ let expr = a:pat
+
+ " Lexer/Parser
+ while expr != ""
+" call Decho("expr<".expr.">")
+
+ if expr =~ '^"'
+ " push a Pattern; accept "" as a single " in the pattern
+ let expr = substitute(expr,'^\s*"','','')
+ let pat = substitute(expr,'^\(\%([^"]\|\"\"\)\{-}\)"\([^"].*$\|$\)','\1','')
+ let pat = substitute(pat,'""','"','g')
+ let expr = substitute(expr,'^\(\%([^"]\|\"\"\)\{-}\)"\([^"].*$\|$\)','\2','')
+ let expr = substitute(expr,'^\s*','','')
+" call Decho("pat<".pat."> expr<".expr.">")
+
+ call s:LP_PatPush('.*'.pat.'.*')
+
+ elseif expr =~ '^[!()|&]'
+ " push an operator
+ let op = strpart(expr,0,1)
+ let expr = strpart(expr,strlen(op))
+ " allow for those who can't resist doubling their and/or operators
+ if op =~ '[|&]' && expr[0] == op
+ let expr = strpart(expr,strlen(op))
+ endif
+ call s:LP_OpPush(op)
+
+ elseif expr =~ '^\s'
+ " skip whitespace
+ let expr= strpart(expr,1)
+
+ else
+ echoerr "operator<".strpart(expr,0,1)."> not supported (yet)"
+ let expr= strpart(expr,1)
+ endif
+
+ endwhile
+
+ " Final Execution
+ call s:LP_OpPush('Z')
+
+ let result= s:LP_PatPop(1)
+" call Decho("result=".result)
+
+ " sanity checks and cleanup
+ if s:npatstack > 0
+ echoerr s:npatstack." patterns left on stack!"
+ let s:npatstack= 0
+ endif
+ if s:nopstack > 0
+ echoerr s:nopstack." operators left on stack!"
+ let s:nopstack= 0
+ endif
+
+ " perform the indicated search
+ if dosearch
+ if exists("s:LogiPatFlags")
+" call Decho("search(result<".result."> LogiPatFlags<".s:LogiPatFlags.">)")
+ call search(result,s:LogiPatFlags)
+ else
+" call Decho("search(result<".result.">)")
+ call search(result)
+ endif
+ let @/= result
+ endif
+
+" call Dret("LogiPat ".result)
+ return result
+endfun
+
+" ---------------------------------------------------------------------
+" s:String: Vim6.4 doesn't have string() {{{2
+func! s:String(str)
+ return "'".escape(a:str, '"')."'"
+endfunc
+
+" ---------------------------------------------------------------------
+" LP_PatPush: {{{2
+fun! s:LP_PatPush(pat)
+" call Dfunc("LP_PatPush(pat<".a:pat.">)")
+ let s:npatstack = s:npatstack + 1
+ let s:patstack_{s:npatstack} = a:pat
+" call s:StackLook("patpush") "Decho
+" call Dret("LP_PatPush : npatstack=".s:npatstack)
+endfun
+
+" ---------------------------------------------------------------------
+" LP_PatPop: pop a number/variable from LogiPat's pattern stack {{{2
+fun! s:LP_PatPop(lookup)
+" call Dfunc("LP_PatPop(lookup=".a:lookup.")")
+ if s:npatstack > 0
+ let ret = s:patstack_{s:npatstack}
+ let s:npatstack = s:npatstack - 1
+ else
+ let ret= "---error---"
+ echoerr "(LogiPat) invalid expression"
+ endif
+" call s:StackLook("patpop") "Decho
+" call Dret("LP_PatPop ".ret)
+ return ret
+endfun
+
+" ---------------------------------------------------------------------
+" LP_OpPush: {{{2
+fun! s:LP_OpPush(op)
+" call Dfunc("LP_OpPush(op<".a:op.">)")
+
+ " determine new operator's precedence level
+ if a:op == '('
+ let s:preclvl= s:preclvl + 10
+ let preclvl = s:preclvl
+ elseif a:op == ')'
+ let s:preclvl= s:preclvl - 10
+ if s:preclvl < 0
+ let s:preclvl= 0
+ echoerr "too many )s"
+ endif
+ let preclvl= s:preclvl
+ elseif a:op =~ '|'
+ let preclvl= s:preclvl + 2
+ elseif a:op =~ '&'
+ let preclvl= s:preclvl + 4
+ elseif a:op == '!'
+ let preclvl= s:preclvl + 6
+ elseif a:op == 'Z'
+ let preclvl= -1
+ else
+ echoerr "expr<".expr."> not supported (yet)"
+ let preclvl= s:preclvl
+ endif
+" call Decho("new operator<".a:op."> preclvl=".preclvl)
+
+ " execute higher-precdence operators
+" call Decho("execute higher-precedence operators")
+ call s:LP_Execute(preclvl)
+
+ " push new operator onto operator-stack
+" call Decho("push new operator<".a:op."> onto stack with preclvl=".preclvl." at nopstack=".(s:nopstack+1))
+ if a:op =~ '!'
+ let s:nopstack = s:nopstack + 1
+ let s:opprec_{s:nopstack} = preclvl
+ let s:opstack_{s:nopstack} = a:op
+ elseif a:op =~ '|'
+ let s:nopstack = s:nopstack + 1
+ let s:opprec_{s:nopstack} = preclvl
+ let s:opstack_{s:nopstack} = a:op
+ elseif a:op == '&'
+ let s:nopstack = s:nopstack + 1
+ let s:opprec_{s:nopstack} = preclvl
+ let s:opstack_{s:nopstack} = a:op
+ endif
+
+" call s:StackLook("oppush") "Decho
+" call Dret("LP_OpPush : s:preclvl=".s:preclvl)
+endfun
+
+" ---------------------------------------------------------------------
+" LP_Execute: execute operators from opstack using pattern stack {{{2
+fun! s:LP_Execute(preclvl)
+" call Dfunc("LP_Execute(preclvl=".a:preclvl.") npatstack=".s:npatstack." nopstack=".s:nopstack)
+
+ " execute all higher precedence operators
+ while s:nopstack > 0 && a:preclvl < s:opprec_{s:nopstack}
+ let op= s:opstack_{s:nopstack}
+" call Decho("op<".op."> nop=".s:nopstack." [preclvl=".a:preclvl."] < [opprec_".s:nopstack."=".s:opprec_{s:nopstack}."]")
+
+ let s:nopstack = s:nopstack - 1
+
+ if op == '!'
+ let n1= s:LP_PatPop(1)
+ call s:LP_PatPush(s:LP_Not(n1))
+
+ elseif op == '|'
+ let n1= s:LP_PatPop(1)
+ let n2= s:LP_PatPop(1)
+ call s:LP_PatPush(s:LP_Or(n2,n1))
+
+ elseif op =~ '&'
+ let n1= s:LP_PatPop(1)
+ let n2= s:LP_PatPop(1)
+ call s:LP_PatPush(s:LP_And(n2,n1))
+ endif
+
+" call s:StackLook("execute") "Decho
+ endwhile
+
+" call Dret("LP_Execute")
+endfun
+
+" ---------------------------------------------------------------------
+" LP_Not: writes a logical-not for a pattern {{{2
+fun! s:LP_Not(pat)
+" call Dfunc("LP_Not(pat<".a:pat.">)")
+ if a:pat =~ '^\.\*' && a:pat =~ '\.\*$'
+ let pat= substitute(a:pat,'^\.\*\(.*\)\.\*$','\1','')
+ let ret= '^\%(\%('.pat.'\)\@!.\)*$'
+ else
+ let ret= '^\%(\%('.a:pat.'\)\@!.\)*$'
+ endif
+" call Dret("LP_Not ".ret)
+ return ret
+endfun
+
+" ---------------------------------------------------------------------
+" LP_Or: writes a logical-or branch using two patterns {{{2
+fun! s:LP_Or(pat1,pat2)
+" call Dfunc("LP_Or(pat1<".a:pat1."> pat2<".a:pat2.">)")
+ let ret= '\%('.a:pat1.'\|'.a:pat2.'\)'
+" call Dret("LP_Or ".ret)
+ return ret
+endfun
+
+" ---------------------------------------------------------------------
+" LP_And: writes a logical-and concat using two patterns {{{2
+fun! s:LP_And(pat1,pat2)
+" call Dfunc("LP_And(pat1<".a:pat1."> pat2<".a:pat2.">)")
+ let ret= '\%('.a:pat1.'\&'.a:pat2.'\)'
+" call Dret("LP_And ".ret)
+ return ret
+endfun
+
+" ---------------------------------------------------------------------
+" StackLook: {{{2
+fun! s:StackLook(description)
+" call Dfunc("StackLook(description<".a:description.">)")
+ let iop = 1
+ let ifp = 1
+" call Decho("Pattern Operator")
+
+ " print both pattern and operator
+ while ifp <= s:npatstack && iop <= s:nopstack
+ let fp = s:patstack_{ifp}
+ let op = s:opstack_{iop}." (P".s:opprec_{s:nopstack}.')'
+ let fplen= strlen(fp)
+ if fplen < 30
+ let fp= fp.strpart(" ",1,30-fplen)
+ endif
+" call Decho(fp.op)
+ let ifp = ifp + 1
+ let iop = iop + 1
+ endwhile
+
+ " print just pattern
+ while ifp <= s:npatstack
+ let fp = s:patstack_{ifp}
+" call Decho(fp)
+ let ifp = ifp + 1
+ endwhile
+
+ " print just operator
+ while iop <= s:nopstack
+ let op = s:opstack_{iop}." (P".s:opprec_{s:nopstack}.')'
+" call Decho(" ".op)
+ let iop = iop + 1
+ endwhile
+" call Dret("StackLook")
+endfun
+
+" ---------------------------------------------------------------------
+" Cleanup And Modeline: {{{1
+let &cpo= s:keepcpo
+unlet s:keepcpo
+" vim: ts=4 fdm=marker