Package net.sf.saxon.expr

Examples of net.sf.saxon.expr.UserFunctionCall

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            return null;
        }
        if (fn.isOverriding() != overriding) {
            return null;
        }
        UserFunctionCall fc = new UserFunctionCall();
        fn.registerReference(fc);
        fc.setFunctionName(functionName);
        fc.setArguments(staticArgs);
        fc.setConfirmed(true);
        return fc;
    }
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    public Expression bind(StructuredQName functionName, Expression[] arguments, StaticContext env) throws XPathException {
        String functionKey = XQueryFunction.getIdentificationKey(
                functionName, arguments.length);
        XQueryFunction fd = (XQueryFunction)functions.get(functionKey);
        if (fd != null) {
            UserFunctionCall ufc = new UserFunctionCall();
            ufc.setFunctionName(fd.getFunctionName());
            ufc.setArguments(arguments);
            ufc.setStaticType(fd.getResultType());
            UserFunction fn = fd.getUserFunction();
            if (fn == null) {
                // not yet compiled
                fd.registerReference(ufc);
                ufc.setConfirmed(true);
            } else {
                ufc.setFunction(fn);
                ExpressionVisitor visitor = ExpressionVisitor.make(fd.getStaticContext());
                visitor.setExecutable(fd.getExecutable());
                ufc.checkFunctionCall(fn, visitor);
            }
            return ufc;
        } else {
            return null;
        }
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        UserFunction fn = (UserFunction)functions.get(makeKey(functionName, staticArgs.length));
        if (fn == null) {
            return null;
        }
        ExpressionVisitor visitor = ExpressionVisitor.make(env);
        UserFunctionCall fc = new UserFunctionCall();
        fc.setFunctionName(functionName);
        fc.setArguments(staticArgs);
        fc.setFunction(fn);
        fc.checkFunctionCall(fn, visitor);
        fc.setStaticType(fn.getResultType(config.getTypeHierarchy()));
        return fc;
    }
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    public Expression bind(StructuredQName functionName, Expression[] arguments, StaticContext env) throws XPathException {
        if (resolving) {
            return null;
        }
        UserFunctionCall ufc = new UserFunctionCall();
        ufc.setFunctionName(functionName);
        ufc.setArguments(arguments);
        unboundFunctionCalls.add(ufc);
        correspondingStaticContext.add(env);
        return ufc;
    }
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     */

    public void bindUnboundFunctionCalls(XQueryFunctionBinder lib, Configuration config) throws XPathException {
        resolving = true;
        for (int i=0; i<unboundFunctionCalls.size(); i++) {
            UserFunctionCall ufc = (UserFunctionCall)unboundFunctionCalls.get(i);
            QueryModule importingModule = (QueryModule)correspondingStaticContext.get(i);
            correspondingStaticContext.set(i, null);    // for garbage collection purposes
            // The original UserFunctionCall is effectively a dummy: we weren't able to find a function
            // definition at the time. So we try again.
            final StructuredQName q = ufc.getFunctionName();
            final int arity = ufc.getNumberOfArguments();

            XQueryFunction fd = lib.getDeclaration(q, ufc.getArguments());
            if (fd != null) {
                fd.registerReference(ufc);
                ufc.setStaticType(fd.getResultType());
                ufc.setConfirmed(true);
                // Check that the result type and all the argument types are in the static context of the
                // calling module
                importingModule.checkImportedFunctionSignature(fd);
            } else {
                String msg = "Cannot find a matching " + arity +
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Related Classes of net.sf.saxon.expr.UserFunctionCall

  • net.sf.saxon.event.SequenceReceiver
  • net.sf.saxon.functions.ExecutableFunctionLibrary
  • net.sf.saxon.instruct.Executable
  • net.sf.saxon.instruct.InstructionDetails
  • net.sf.saxon.om.Item
  • net.sf.saxon.om.SequenceIterator
  • net.sf.saxon.om.StructuredQName
  • net.sf.saxon.om.ValueRepresentation
  • net.sf.saxon.query.UnboundFunctionLibrary
  • net.sf.saxon.query.XQueryFunctionLibrary
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