Bug #3216: Error QNames are not ordered - SaxonJS - Saxonica Developer Community

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Bug #3216

closed

Error QNames are not ordered

Added by O'Neil Delpratt over 7 years ago. Updated over 7 years ago.

Status:

Closed

Priority:

Normal

Assignee:

Debbie Lockett

Category:

Sprint/Milestone:

Start date:

2017-05-11

Due date:

% Done:

100%

Estimated time:

Applies to JS Branch:

1.0

Fix Committed on JS Branch:

1.0

Fixed in JS Release:

Saxon-JS 1.0.1

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Description

The following XSLT snippet:

<xsl:when test="map:get($bindings,generate-id($in-node))=xs:QName('xs:date')">
                    <xsl:attribute name="type" select="'date'" />
                </xsl:when>

Produces the following error in the browser:

XError {name: "XError", message: "QNames are not ordered at file:/Users/ond1/work/de…xon-dev/licensing/src/JStool/xsltforms-js.xsl#166", code: "FORG0006", stack: "Error↵ at new XError (http://localhost:8000/JSt…(http://localhost:8000/JStool/SaxonJS.js:6824:20)", xsltLineNr: "166"…}

This relates to the Compare.gc(lhsIter, rhsArray, op, comparer) function in the Compare.js file.

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Updated by John Lumley over 7 years ago

Assignee set to John Lumley
Found in version set to 1.0.0
Applies to branch 9.7, 9.8 added

I don't have time just now to investigate in more depth (will do tomorrow) but the issue is tied up with an ordering comparison being used when an equality comparison is appropriate and may be in some portion of logic not being implemented correctly in Saxon-JS. (I've encountered this in the XPath compiler for xs:QName and use the EQC comparer for such cases, so I understand the issue.)

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Updated by O'Neil Delpratt over 7 years ago

As a workaround I am using the 'eq' operator which works fine.

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Updated by Debbie Lockett over 7 years ago

Status changed from New to Resolved
Assignee changed from John Lumley to Debbie Lockett

Fix in Compare.gc method, so that when suitable (i.e. op is '=' or '!='), the comparer.equals method is used for making the comparison, rather than always using comparer.compare.

This bug was only showing up in the particular case that we are using "GAC" (general) comparison. In various other cases, at compile time a more specific comparison is already assigned (e.g. "EQC"), and in this case there is no error.

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