FileDocCategorySizeDatePackage
AbsoluteLocationPath.javaAPI DocJava SE 5 API3302Fri Aug 26 14:55:34 BST 2005com.sun.org.apache.xalan.internal.xsltc.compiler

AbsoluteLocationPath

public final class AbsoluteLocationPath extends Expression
author
Jacek Ambroziak
author
Santiago Pericas-Geertsen

Fields Summary
private Expression
_path
Constructors Summary
public AbsoluteLocationPath()

	_path = null;
public AbsoluteLocationPath(Expression path)

	_path = path;
	if (path != null) {
	    _path.setParent(this);
	}
Methods Summary
public com.sun.org.apache.xalan.internal.xsltc.compiler.ExpressiongetPath()

	return(_path);
public voidsetParser(com.sun.org.apache.xalan.internal.xsltc.compiler.Parser parser)

	super.setParser(parser);
	if (_path != null) {
	    _path.setParser(parser);
	}
public java.lang.StringtoString()

	return "AbsoluteLocationPath(" +
	    (_path != null ? _path.toString() : "null") + ')";
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();
	if (_path != null) {
	    final int initAI = cpg.addMethodref(ABSOLUTE_ITERATOR,
						"<init>",
						"("
						+ NODE_ITERATOR_SIG
						+ ")V");
	    // Create new AbsoluteIterator
	    il.append(new NEW(cpg.addClass(ABSOLUTE_ITERATOR)));
	    il.append(DUP);

	    // Compile relative path iterator(s)
	    _path.translate(classGen, methodGen);

	    // Initialize AbsoluteIterator with iterator from the stack
	    il.append(new INVOKESPECIAL(initAI));
	}
	else {
	    final int gitr = cpg.addInterfaceMethodref(DOM_INTF,
						       "getIterator",
						       "()"+NODE_ITERATOR_SIG);
	    il.append(methodGen.loadDOM());
	    il.append(new INVOKEINTERFACE(gitr, 1));
	}
public com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypetypeCheck(com.sun.org.apache.xalan.internal.xsltc.compiler.SymbolTable stable)

	if (_path != null) {
	    final Type ptype = _path.typeCheck(stable);
	    if (ptype instanceof NodeType) {		// promote to node-set
		_path = new CastExpr(_path, Type.NodeSet);
	    }
	}
	return _type = Type.NodeSet;