Examples of net.sf.saxon.functions.ExecutableFunctionLibrary

net.sf.saxon.functions.ExecutableFunctionLibrary
An ExecutableFunctionLibrary is a function library that contains definitions of functions for use at run-time. Normally functions are bound at compile-time; however there are various situations in which the information is needed dynamically, for example (a) to support the XSLT function-available() call (in the pathological case where the argument is not known statically), (b) to allow functions to be called from saxon:evaluate(), (c) to allow functions to be called from a debugging breakpoint. The objects actually held in the ExecutableFunctionLibrary are UserFunctionCall objects that have been prepared at compile time. These are function calls that do full dynamic type checking: that is, they are prepared on the basis that the static types of the arguments are all "item()*", meaning that full type checking is needed at run-time.

            fixupReferences(staticContext);


            // register this function with the function library available at run-time (e.g. for saxon:evaluate())


            if (executable.getFunctionLibrary() instanceof ExecutableFunctionLibrary) {
                ExecutableFunctionLibrary lib  = (ExecutableFunctionLibrary)executable.getFunctionLibrary();
                lib.addFunction(compiledFunction);
            } else {
//                throw new AssertionError("executable.getFunctionLibrary() is an instance of " +
//                        executable.getFunctionLibrary().getClass().getName());
            }

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            return;
        }


        try {
            XSLStylesheet top = getPrincipalStylesheet();
            getExecutable().setFunctionLibrary(new ExecutableFunctionLibrary(getConfiguration()));
                        // this is not actually used, but is needed to keep the XQuery processor happy
            StaticQueryContext importedModule = loadModule(moduleURI, href);


            // Do the importing

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            fixupReferences(env);


            // register this function with the function library available at run-time (e.g. for saxon:evaluate())


            if (executable.getFunctionLibrary() instanceof ExecutableFunctionLibrary) {
                ExecutableFunctionLibrary lib  = (ExecutableFunctionLibrary)executable.getFunctionLibrary();
                lib.addFunction(compiledFunction);
            } else {
                throw new AssertionError("executable.getFunctionLibrary() is a " +
                        executable.getFunctionLibrary().getClass());
            }

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            fixupReferences(staticContext);


            // register this function with the function library available at run-time (e.g. for saxon:evaluate())


            if (executable.getFunctionLibrary() instanceof ExecutableFunctionLibrary) {
                ExecutableFunctionLibrary lib  = (ExecutableFunctionLibrary)executable.getFunctionLibrary();
                lib.addFunction(compiledFunction);
            } else {
                throw new AssertionError("executable.getFunctionLibrary() is an instance of " +
                        executable.getFunctionLibrary().getClass().getName());
            }

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Related Classes of net.sf.saxon.functions.ExecutableFunctionLibrary

net.sf.saxon.expr.ExpressionVisitor

net.sf.saxon.expr.UserFunctionCall

net.sf.saxon.instruct.UserFunction

net.sf.saxon.om.FastStringBuffer

net.sf.saxon.query.XQueryFunction

net.sf.saxon.style.SaxonImportQuery

net.sf.saxon.xpath.StandaloneContext

java.util.HashMap

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