Add support to dynamicly invoke methods if required.
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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: 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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