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[David Graf <david.graf@xxxxxxxxxx>]

Public bug reported:

Zorba destroys input stream produced by fetch:content too early if
optimization is on.

example query:

import module namespace fetch = "http://www.zorba-xquery.com/modules/fetch";;       
import module namespace parse-xml = "http://www.zorba-xquery.com/modules/xml";;  
import schema namespace opt = "http://www.zorba-xquery.com/modules/xml-options";;
                                                                                   
  let $xmlcontent := fetch:content("file.xml")                                     
  let $contents := parse-xml:parse(                                                
        $xmlcontent,                                                               
        <opt:options>                                                              
          <opt:parse-external-parsed-entity />                                     
        </opt:options>)                                                            
  return $contents       

file:xml:
any random xml file

executions:
$ ~/zorba/build/bin/zorba -q test.xq -f --optimization-level O0
<?xml version="1.0" encoding="UTF-8"?>
<a/>
$ ~/zorba/build/bin/zorba -q test.xq -f --optimization-level O1
<?xml version="1.0" encoding="UTF-8"?>
Segmentation fault (core dumped)

** Affects: zorba
     Importance: Undecided
     Assignee: Matthias Brantner (matthias-brantner)
         Status: New

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Coders, which is the registrant for Zorba.
https://bugs.launchpad.net/bugs/1015560

Title:
  segmentation fault when using fetch and parse in one flwor

Status in Zorba - The XQuery Processor:
  New

Bug description:
  Zorba destroys input stream produced by fetch:content too early if
  optimization is on.

  example query:

  import module namespace fetch = "http://www.zorba-xquery.com/modules/fetch";;       
  import module namespace parse-xml = "http://www.zorba-xquery.com/modules/xml";;  
  import schema namespace opt = "http://www.zorba-xquery.com/modules/xml-options";;
                                                                                     
    let $xmlcontent := fetch:content("file.xml")                                     
    let $contents := parse-xml:parse(                                                
          $xmlcontent,                                                               
          <opt:options>                                                              
            <opt:parse-external-parsed-entity />                                     
          </opt:options>)                                                            
    return $contents       

  file:xml:
  any random xml file

  executions:
  $ ~/zorba/build/bin/zorba -q test.xq -f --optimization-level O0
  <?xml version="1.0" encoding="UTF-8"?>
  <a/>
  $ ~/zorba/build/bin/zorba -q test.xq -f --optimization-level O1
  <?xml version="1.0" encoding="UTF-8"?>
  Segmentation fault (core dumped)

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