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/*
* $Id: UnparsedEntityUriCall.java,v 1.10 2010-11-01 04:34:18 joehw Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler;
import java.util.Vector;
import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
import com.sun.org.apache.bcel.internal.generic.InstructionList;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.StringType;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
* @author Morten Jorgensen
*/
final class UnparsedEntityUriCall extends FunctionCall {
private Expression _entity;
public UnparsedEntityUriCall(QName fname, Vector arguments) {
super(fname, arguments);
_entity = argument();
}
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type entity = _entity.typeCheck(stable);
if (entity instanceof StringType == false) {
_entity = new CastExpr(_entity, Type.String);
}
return _type = Type.String;
}
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Feck the this pointer on the stack...
il.append(methodGen.loadDOM());
// ...then the entity name...
_entity.translate(classGen, methodGen);
// ...to get the URI from the DOM object.
il.append(new INVOKEINTERFACE(
cpg.addInterfaceMethodref(DOM_INTF,
GET_UNPARSED_ENTITY_URI,
GET_UNPARSED_ENTITY_URI_SIG),
2));
}
}