FileDocCategorySizeDatePackage
ParameterRef.javaAPI DocJava SE 6 API3600Tue Jun 10 00:22:28 BST 2008com.sun.org.apache.xalan.internal.xsltc.compiler

ParameterRef

public final class ParameterRef extends VariableRefBase
author
Jacek Ambroziak
author
Santiago Pericas-Geertsen
author
Morten Jorgensen
author
Erwin Bolwidt

Fields Summary
QName
_name
Name of param being referenced.
Constructors Summary
public ParameterRef(Param param)

    
       
	super(param);
        _name = param._name;
        
    
Methods Summary
public java.lang.StringtoString()

	return "parameter-ref("+_variable.getName()+'/"+_variable.getType()+')";
    
public voidtranslate(com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator classGen, com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator methodGen)

	final ConstantPoolGen cpg = classGen.getConstantPool();
	final InstructionList il = methodGen.getInstructionList();

        /*
         * To fix bug 24518 related to setting parameters of the form
         * {namespaceuri}localName, which will get mapped to an instance 
         * variable in the class.
         */
        final String name = BasisLibrary.mapQNameToJavaName (_name.toString());
	final String signature = _type.toSignature();

	if (_variable.isLocal()) {
	    if (classGen.isExternal()) {
		Closure variableClosure = _closure;
		while (variableClosure != null) {
		    if (variableClosure.inInnerClass()) break;
		    variableClosure = variableClosure.getParentClosure();
		}
	    
		if (variableClosure != null) {
		    il.append(ALOAD_0);
		    il.append(new GETFIELD(
			cpg.addFieldref(variableClosure.getInnerClassName(), 
			    name, signature)));
		}
		else {
		    il.append(_variable.loadInstruction());
		    _variable.removeReference(this);
		}
	    }
	    else {
		il.append(_variable.loadInstruction());
		_variable.removeReference(this);
	    }
	}
	else {
	    final String className = classGen.getClassName();
	    il.append(classGen.loadTranslet());
	    if (classGen.isExternal()) {
		il.append(new CHECKCAST(cpg.addClass(className)));
	    }
	    il.append(new GETFIELD(cpg.addFieldref(className,name,signature)));
	}

	if (_variable.getType() instanceof NodeSetType) {
	    // The method cloneIterator() also does resetting
	    final int clone = cpg.addInterfaceMethodref(NODE_ITERATOR,
						       "cloneIterator",
						       "()" + 
							NODE_ITERATOR_SIG);
	    il.append(new INVOKEINTERFACE(clone, 1));
	}