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. package com.sun.org.apache.xalan.internal.xsltc.compiler;
  20. import com.sun.org.apache.bcel.internal.generic.InstructionList;
  21. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
  22. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
  23. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
  24. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
  25. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
  26. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util;
  27. class TopLevelElement extends SyntaxTreeNode {
  28. /**
  29. * Type check all the children of this node.
  30. */
  31. public Type typeCheck(SymbolTable stable) throws TypeCheckError {
  32. return typeCheckContents(stable);
  33. }
  34. /**
  35. * Translate this node into JVM bytecodes.
  36. */
  37. public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
  38. ErrorMsg msg = new ErrorMsg(ErrorMsg.NOT_IMPLEMENTED_ERR,
  39. getClass(), this);
  40. getParser().reportError(FATAL, msg);
  41. }
  42. /**
  43. * Translate this node into a fresh instruction list.
  44. * The original instruction list is saved and restored.
  45. */
  46. public InstructionList compile(ClassGenerator classGen,
  47. MethodGenerator methodGen) {
  48. final InstructionList result, save = methodGen.getInstructionList();
  49. methodGen.setInstructionList(result = new InstructionList());
  50. translate(classGen, methodGen);
  51. methodGen.setInstructionList(save);
  52. return result;
  53. }
  54. public void display(int indent) {
  55. indent(indent);
  56. Util.println("TopLevelElement");
  57. displayContents(indent + IndentIncrement);
  58. }
  59. }