1. /*

  2.  * Copyright 2001-2004 The Apache Software Foundation.

  3.  *

  4.  * Licensed under the Apache License, Version 2.0 (the "License");

  5.  * you may not use this file except in compliance with the License.

  6.  * You may obtain a copy of the License at

  7.  *

  8.  *     http://www.apache.org/licenses/LICENSE-2.0

  9.  *

  10.  * Unless required by applicable law or agreed to in writing, software

  11.  * distributed under the License is distributed on an "AS IS" BASIS,

  12.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  13.  * See the License for the specific language governing permissions and

  14.  * limitations under the License.

  15.  */

  16. /*

  17.  * $Id: TopLevelElement.java,v 1.7 2004/02/16 22:25:10 minchau Exp $

  18.  */

  19. 

  20. package com.sun.org.apache.xalan.internal.xsltc.compiler;

  21. 

  22. import com.sun.org.apache.bcel.internal.generic.InstructionList;

  23. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;

  24. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;

  25. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;

  26. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;

  27. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;

  28. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util;

  29. 

  30. class TopLevelElement extends SyntaxTreeNode {

  31. 

  32.     /**

  33.      * Type check all the children of this node.

  34.      */

  35.     public Type typeCheck(SymbolTable stable) throws TypeCheckError {

  36. 	return typeCheckContents(stable);

  37.     }

  38. 

  39.     /**

  40.      * Translate this node into JVM bytecodes.

  41.      */

  42.     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

  43. 	ErrorMsg msg = new ErrorMsg(ErrorMsg.NOT_IMPLEMENTED_ERR,

  44. 				    getClass(), this);

  45. 	getParser().reportError(FATAL, msg);

  46.     }

  47. 	

  48.     /**

  49.      * Translate this node into a fresh instruction list.

  50.      * The original instruction list is saved and restored.

  51.      */

  52.     public InstructionList compile(ClassGenerator classGen,

  53. 				   MethodGenerator methodGen) {

  54. 	final InstructionList result, save = methodGen.getInstructionList();

  55. 	methodGen.setInstructionList(result = new InstructionList());

  56. 	translate(classGen, methodGen);

  57. 	methodGen.setInstructionList(save);

  58. 	return result;

  59.     }

  60. 

  61.     public void display(int indent) {

  62. 	indent(indent);

  63. 	Util.println("TopLevelElement");

  64. 	displayContents(indent + IndentIncrement);

  65.     }

  66. }