[ http://issues.apache.org/jira/browse/XALANJ-2127?page=all ]
Henry Zongaro updated XALANJ-2127:
----------------------------------
reviewer: [EMAIL PROTECTED]
> Add support to dynamicly invoke methods if required.
> ----------------------------------------------------
>
> Key: XALANJ-2127
> URL: http://issues.apache.org/jira/browse/XALANJ-2127
> Project: XalanJ2
> Type: Improvement
> Components: XSLTC
> Versions: CurrentCVS
> Reporter: Nick Van den Bleeken
> Attachments: CallFunction.patch, foo.xml, testcase.xsl
>
> In some cases functions needs to be reolved dynamicly. This functionality was
> introduced on 2/23/2004 (on org.apache.xalan.xsltc.compiler.FunctionCall
> revision 1.38) but removed after the release of 2.6. I know there was a
> problem with it in certain cases, but if you changed the code in the patch in
> typeCheckExternal(SymbolTable stable) to :
> else if(firstArgType instanceof ReferenceType){
> hasThisArgument = true;
> _thisArgument = (Expression) _arguments.elementAt(0);
> _arguments.remove(0); nArgs--;
> resolveDynamic = true;
> typeCheckArgs(stable);
> return _type = Type.String
> }
> The dynamic calling seems to work in 'more' cases ...
> The commit comments of the revert of this patch (revision 1.39) states
> 'Reverting latest patch by Arun. There are some problems with the new code to
> invoke functions dynamically (e.g. docbook reports a compile-time type check
> error). The approach taken to determine when to invoke methods dynamically
> needs to be revisted.'
> Can someone help me with what the exact problems are with 'The approach taken
> to determine when to invoke methods dynamically needs to be revisted.'.
> I'm willing to free some time to fix this problem, but I need some extra
> information because I don't understand what is wrong the riginal check if
> dynamic invoction of the method is required.
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