/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: TopLevelElement.java,v 1.5 2005/09/28 13:48:17 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler;
import java.util.Vector;
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.ErrorMsg;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util;
class TopLevelElement extends SyntaxTreeNode {
/*
* List of dependencies with other variables, parameters or
* keys defined at the top level.
*/
protected Vector _dependencies = null;
/**
* Type check all the children of this node.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
return typeCheckContents(stable);
}
/**
* Translate this node into JVM bytecodes.
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
ErrorMsg msg = new ErrorMsg(ErrorMsg.NOT_IMPLEMENTED_ERR,
getClass(), this);
getParser().reportError(FATAL, msg);
}
/**
* Translate this node into a fresh instruction list.
* The original instruction list is saved and restored.
*/
public InstructionList compile(ClassGenerator classGen,
MethodGenerator methodGen) {
final InstructionList result, save = methodGen.getInstructionList();
methodGen.setInstructionList(result = new InstructionList());
translate(classGen, methodGen);
methodGen.setInstructionList(save);
return result;
}
public void display(int indent) {
indent(indent);
Util.println("TopLevelElement");
displayContents(indent + IndentIncrement);
}
/**
* Add a dependency with other top-level elements like
* variables, parameters or keys.
*/
public void addDependency(TopLevelElement other) {
if (_dependencies == null) {
_dependencies = new Vector();
}
if (!_dependencies.contains(other)) {
_dependencies.addElement(other);
}
}
/**
* Get the list of dependencies with other top-level elements
* like variables, parameteres or keys.
*/
public Vector getDependencies() {
return _dependencies;
}
}