How to use

org.mozilla.javascript.NodeTransformer

constructor

 public static ScriptNode parseVariables( Context cx, Scriptable scope, String source, String sourceName,
  int lineno, Object securityDomain ) {
  // Interpreter compiler = new Interpreter();
  CompilerEnvirons evn = new CompilerEnvirons();
  // evn.setLanguageVersion(Context.VERSION_1_5);
  evn.setOptimizationLevel( -1 );
  evn.setGeneratingSource( true );
  evn.setGenerateDebugInfo( true );
  ErrorReporter errorReporter = new ToolErrorReporter( false );
  Parser p = new Parser( evn, errorReporter );
  ScriptNode tree = p.parse( source, "", 0 ); // IOException
  new NodeTransformer().transform( tree );
  // Script result = (Script)compiler.compile(scope, evn, tree, p.getEncodedSource(),false, null);
  return tree;
 }
}

 public static ScriptNode parseVariables( Context cx, Scriptable scope, String source, String sourceName,
  int lineno, Object securityDomain ) {
  // Interpreter compiler = new Interpreter();
  CompilerEnvirons evn = new CompilerEnvirons();
  // evn.setLanguageVersion(Context.VERSION_1_5);
  evn.setOptimizationLevel( -1 );
  evn.setGeneratingSource( true );
  evn.setGenerateDebugInfo( true );
  ErrorReporter errorReporter = new ToolErrorReporter( false );
  Parser p = new Parser( evn, errorReporter );
  ScriptNode tree = p.parse( source, "", 0 ); // IOException
  new NodeTransformer().transform( tree );
  // Script result = (Script)compiler.compile(scope, evn, tree, p.getEncodedSource(),false, null);
  return tree;
 }
}

public Object compile(CompilerEnvirons compilerEnv,
           ScriptOrFnNode tree,
           String encodedSource,
           boolean returnFunction)
{
  this.compilerEnv = compilerEnv;
  new NodeTransformer().transform(tree);
  if (Token.printTrees) {
    System.out.println(tree.toStringTree(tree));
  }
  if (returnFunction) {
    tree = tree.getFunctionNode(0);
  }
  scriptOrFn = tree;
  itsData = new InterpreterData(compilerEnv.getLanguageVersion(),
                 scriptOrFn.getSourceName(),
                 encodedSource);
  itsData.topLevel = true;
  if (returnFunction) {
    generateFunctionICode();
  } else {
    generateICodeFromTree(scriptOrFn);
  }
  return itsData;
}

public Object compile(CompilerEnvirons compilerEnv,
           ScriptOrFnNode tree,
           String encodedSource,
           boolean returnFunction)
{
  this.compilerEnv = compilerEnv;
  new NodeTransformer().transform(tree);
  if (Token.printTrees) {
    System.out.println(tree.toStringTree(tree));
  }
  if (returnFunction) {
    tree = tree.getFunctionNode(0);
  }
  scriptOrFn = tree;
  itsData = new InterpreterData(compilerEnv.getLanguageVersion(),
                 scriptOrFn.getSourceName(),
                 encodedSource);
  itsData.topLevel = true;
  if (returnFunction) {
    generateFunctionICode();
  } else {
    generateICodeFromTree(scriptOrFn);
  }
  return itsData;
}

new NodeTransformer().transform(tree);

new NodeTransformer().transform(tree);

new NodeTransformer().transform(tree);

new NodeTransformer().transform(tree);