/*
  * @see ASTVisitor#visit(FunctionDeclaration)
  */
 public boolean visit(FunctionDeclaration node) {
   if (node.getJavadoc() != null) {
     node.getJavadoc().accept(this);
   }
   if (node.getAST().apiLevel() == AST.JLS2) {
     printModifiers(node.getModifiers());
   }
   if (node.getAST().apiLevel() >= AST.JLS3) {
     printModifiers(node.modifiers());
   }
   //		if (!node.isConstructor()) {
   //			if (node.getAST().apiLevel() == AST.JLS2) {
   //				node.getReturnType().accept(this);
   //			} else {
   //				if (node.getReturnType2() != null) {
   //					node.getReturnType2().accept(this);
   //				} else {
   //					// methods really ought to have a return type
   //					this.fBuffer.append("void");//$NON-NLS-1$
   //				}
   //			}
   //			this.fBuffer.append(" ");//$NON-NLS-1$
   //		}
   if (node.getName() != null) node.getName().accept(this);
   this.fBuffer.append("("); // $NON-NLS-1$
   for (Iterator it = node.parameters().iterator(); it.hasNext(); ) {
     SingleVariableDeclaration v = (SingleVariableDeclaration) it.next();
     v.accept(this);
     if (it.hasNext()) {
       this.fBuffer.append(","); // $NON-NLS-1$
     }
   }
   this.fBuffer.append(")"); // $NON-NLS-1$
   for (int i = 0; i < node.getExtraDimensions(); i++) {
     this.fBuffer.append("[]"); // $NON-NLS-1$
   }
   if (!node.thrownExceptions().isEmpty()) {
     this.fBuffer.append(" throws "); // $NON-NLS-1$
     for (Iterator it = node.thrownExceptions().iterator(); it.hasNext(); ) {
       Name n = (Name) it.next();
       n.accept(this);
       if (it.hasNext()) {
         this.fBuffer.append(", "); // $NON-NLS-1$
       }
     }
     this.fBuffer.append(" "); // $NON-NLS-1$
   }
   if (node.getBody() == null) {
     this.fBuffer.append(";"); // $NON-NLS-1$
   } else {
     node.getBody().accept(this);
   }
   return false;
 }
  public void testBug128818() throws Exception {

    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("  if (true) {\n");
    buf.append("  } // comment\n");
    buf.append("  else\n");
    buf.append("    return;\n");
    buf.append("}\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST3(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    FunctionDeclaration function = findMethodDeclaration(astRoot, "foo");
    IfStatement statement = (IfStatement) function.getBody().statements().get(0);

    rewrite.set(statement, IfStatement.ELSE_STATEMENT_PROPERTY, ast.newBlock(), null);

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("  if (true) {\n");
    buf.append("  } // comment\n");
    buf.append(" else {\n");
    buf.append("}\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testCharacterLiteral() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        return 'x';\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");

    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // replace number
      ReturnStatement returnStatement = (ReturnStatement) statements.get(0);

      StringLiteral literal = (StringLiteral) returnStatement.getExpression();
      rewrite.set(literal, StringLiteral.ESCAPED_VALUE_PROPERTY, "'y'", null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        return 'y';\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testSimpleName() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo(hello) {\n");
    buf.append("        return hello;\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");

    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // replace identifier
      ReturnStatement returnStatement = (ReturnStatement) statements.get(0);

      SimpleName simpleName = (SimpleName) returnStatement.getExpression();
      rewrite.set(simpleName, SimpleName.IDENTIFIER_PROPERTY, "changed", null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo(hello) {\n");
    buf.append("        return changed;\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
 public String initialize(JavaScriptUnit root, ASTNode node) {
   fAST = root.getAST();
   if (!(node instanceof Name)) {
     return SearchMessages.ExceptionOccurrencesFinder_no_exception;
   }
   fSelectedName = ASTNodes.getTopMostName((Name) node);
   ASTNode parent = fSelectedName.getParent();
   FunctionDeclaration decl = resolveMethodDeclaration(parent);
   if (decl != null && methodThrowsException(decl, fSelectedName)) {
     fException = fSelectedName.resolveTypeBinding();
     fStart = decl.getBody();
   } else if (parent instanceof Type) {
     parent = parent.getParent();
     if (parent instanceof SingleVariableDeclaration
         && parent.getParent() instanceof CatchClause) {
       CatchClause catchClause = (CatchClause) parent.getParent();
       TryStatement tryStatement = (TryStatement) catchClause.getParent();
       if (tryStatement != null) {
         IVariableBinding var = catchClause.getException().resolveBinding();
         if (var != null && var.getType() != null) {
           fException = var.getType();
           fStart = tryStatement.getBody();
         }
       }
     }
   }
   if (fException == null || fStart == null)
     return SearchMessages.ExceptionOccurrencesFinder_no_exception;
   return null;
 }
  public void testAssignment() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("    var i, j;\n");
    buf.append("    i= 0;\n");
    buf.append("    i-= j= 3;\n");
    buf.append("}\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 3", statements.size() == 3);
    { // change left side & right side
      ExpressionStatement stmt = (ExpressionStatement) statements.get(1);
      Assignment assignment = (Assignment) stmt.getExpression();

      SimpleName name = ast.newSimpleName("j");
      rewrite.replace(assignment.getLeftHandSide(), name, null);

      FunctionInvocation invocation = ast.newFunctionInvocation();
      invocation.setName(ast.newSimpleName("goo"));
      invocation.setExpression(ast.newSimpleName("other"));

      rewrite.replace(assignment.getRightHandSide(), invocation, null);
    }
    { // change operator and operator of inner
      ExpressionStatement stmt = (ExpressionStatement) statements.get(2);
      Assignment assignment = (Assignment) stmt.getExpression();

      rewrite.set(
          assignment, Assignment.OPERATOR_PROPERTY, Assignment.Operator.DIVIDE_ASSIGN, null);

      Assignment inner = (Assignment) assignment.getRightHandSide();

      rewrite.set(
          inner,
          Assignment.OPERATOR_PROPERTY,
          Assignment.Operator.RIGHT_SHIFT_UNSIGNED_ASSIGN,
          null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("    var i, j;\n");
    buf.append("    j= other.goo();\n");
    buf.append("    i/= j>>>= 3;\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
  }
  public void testCatchClause() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("    try {\n");
    buf.append("    } catch (e) {\n");
    buf.append("    }\n");
    buf.append("}\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 3", statements.size() == 1);
    List catchClauses = ((TryStatement) statements.get(0)).catchClauses();
    assertTrue("Number of catchClauses not 1", catchClauses.size() == 1);
    { // change exception type
      CatchClause clause = (CatchClause) catchClauses.get(0);

      SingleVariableDeclaration exception = clause.getException();

      SingleVariableDeclaration newException = ast.newSingleVariableDeclaration();

      newException.setName(ast.newSimpleName("ex"));

      rewrite.replace(exception, newException, null);
    }
    { // change body
      CatchClause clause = (CatchClause) catchClauses.get(0);
      Block body = clause.getBody();

      Block newBody = ast.newBlock();
      ReturnStatement returnStatement = ast.newReturnStatement();
      newBody.statements().add(returnStatement);

      rewrite.replace(body, newBody, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("    try {\n");
    buf.append("    } catch (ex) {\n");
    buf.append("        return;\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testMethodInvocation1() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        foo(foo(1, 2), 3);\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // remove expression, add param, change name
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();

      List arguments = invocation.arguments();
      FunctionInvocation first = (FunctionInvocation) arguments.get(0);
      ASTNode second = (ASTNode) arguments.get(1);

      ASTNode placeholder1 = rewrite.createCopyTarget(first);
      ASTNode placeholder2 = rewrite.createCopyTarget(second);

      rewrite.replace(first, placeholder2, null);
      rewrite.replace(second, placeholder1, null);

      List innerArguments = first.arguments();
      ASTNode innerFirst = (ASTNode) innerArguments.get(0);
      ASTNode innerSecond = (ASTNode) innerArguments.get(1);

      ASTNode innerPlaceholder1 = rewrite.createCopyTarget(innerFirst);
      ASTNode innerPlaceholder2 = rewrite.createCopyTarget(innerSecond);

      rewrite.replace(innerFirst, innerPlaceholder2, null);
      rewrite.replace(innerSecond, innerPlaceholder1, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        foo(3, foo(2, 1));\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testConditionalExpression() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= (k == 0) ? 1 : 2;\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // change compare expression, then expression & else expression
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      Assignment assignment = (Assignment) stmt.getExpression();
      ConditionalExpression condExpression = (ConditionalExpression) assignment.getRightHandSide();

      BooleanLiteral literal = ast.newBooleanLiteral(true);
      rewrite.replace(condExpression.getExpression(), literal, null);

      SimpleName newThenExpre = ast.newSimpleName("x");
      rewrite.replace(condExpression.getThenExpression(), newThenExpre, null);

      InfixExpression infixExpression = ast.newInfixExpression();
      infixExpression.setLeftOperand(ast.newNumberLiteral("1"));
      infixExpression.setRightOperand(ast.newNumberLiteral("2"));
      infixExpression.setOperator(InfixExpression.Operator.PLUS);

      rewrite.replace(condExpression.getElseExpression(), infixExpression, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= true ? x : 1 + 2;\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  // TODO fix
  public void XtestThisExpression() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("    return this;\n");
    buf.append("    return Outer.this;\n");
    buf.append("}\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);

    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 2", statements.size() == 2);
    { // add qualifier
      ReturnStatement returnStatement = (ReturnStatement) statements.get(0);

      ThisExpression thisExpression = (ThisExpression) returnStatement.getExpression();

      SimpleName newExpression = ast.newSimpleName("X");
      rewrite.set(thisExpression, ThisExpression.QUALIFIER_PROPERTY, newExpression, null);
    }
    { // remove qualifier
      ReturnStatement returnStatement = (ReturnStatement) statements.get(1);

      ThisExpression thisExpression = (ThisExpression) returnStatement.getExpression();

      rewrite.remove(thisExpression.getQualifier(), null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        return X.this;\n");
    buf.append("        return this;\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  public void testArrayAccess() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("function foo(o) {\n");
    buf.append("	o[3 /* comment*/ - 1]= this.o[3 - 1];\n");
    buf.append("}\n");
    buf.append("");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // replace left hand side index, replace right hand side index by left side index
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      Assignment assignment = (Assignment) stmt.getExpression();

      ArrayAccess left = (ArrayAccess) assignment.getLeftHandSide();
      ArrayAccess right = (ArrayAccess) assignment.getRightHandSide();

      NumberLiteral name = ast.newNumberLiteral("1");
      rewrite.replace(left.getIndex(), name, null);

      ASTNode placeHolder = rewrite.createCopyTarget(left.getIndex());
      rewrite.replace(right.getIndex(), placeHolder, null);

      SimpleName newName = ast.newSimpleName("o");
      rewrite.replace(right.getArray(), newName, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("function foo(o) {\n");
    buf.append("	o[1]= o[3 /* comment*/ - 1];\n");
    buf.append("}\n");

    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testFieldAccess() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        foo().i= goo().i;\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // replace field expression, replace field name
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      Assignment assignment = (Assignment) stmt.getExpression();
      FieldAccess leftFieldAccess = (FieldAccess) assignment.getLeftHandSide();
      FieldAccess rightFieldAccess = (FieldAccess) assignment.getRightHandSide();

      FunctionInvocation invocation = ast.newFunctionInvocation();
      invocation.setName(ast.newSimpleName("xoo"));
      rewrite.replace(leftFieldAccess.getExpression(), invocation, null);

      SimpleName newName = ast.newSimpleName("x");
      rewrite.replace(leftFieldAccess.getName(), newName, null);

      SimpleName rightHand = ast.newSimpleName("b");
      rewrite.replace(rightFieldAccess.getExpression(), rightHand, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        xoo().x= b.i;\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testPostfixExpression() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= x--;\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // modify operand and operation
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      Assignment assignment = (Assignment) stmt.getExpression();

      PostfixExpression postExpression = (PostfixExpression) assignment.getRightHandSide();

      NumberLiteral newOperation = ast.newNumberLiteral("10");
      rewrite.replace(postExpression.getOperand(), newOperation, null);

      rewrite.set(
          postExpression,
          PostfixExpression.OPERATOR_PROPERTY,
          PostfixExpression.Operator.INCREMENT,
          null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= 10++;\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testParenthesizedExpression() throws Exception {
    // System.out.println(getClass().getName()+"::" + getName() +" disabled (bug 23362)");

    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= (1 + 2) * 3;\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    { // replace expression
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      Assignment assignment = (Assignment) stmt.getExpression();

      InfixExpression multiplication = (InfixExpression) assignment.getRightHandSide();

      ParenthesizedExpression parenthesizedExpression =
          (ParenthesizedExpression) multiplication.getLeftOperand();

      SimpleName name = ast.newSimpleName("x");
      rewrite.replace(parenthesizedExpression.getExpression(), name, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= (x) * 3;\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  public void testBug95839() throws Exception {

    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("  object.method(\n");
    buf.append("    param1, // text about param1\n");
    buf.append("    param2  // text about param2\n");
    buf.append("  );\n");
    buf.append("}\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST3(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    FunctionDeclaration function = findMethodDeclaration(astRoot, "foo");
    ExpressionStatement statement = (ExpressionStatement) function.getBody().statements().get(0);
    FunctionInvocation inv = (FunctionInvocation) statement.getExpression();

    ListRewrite listRewrite = rewrite.getListRewrite(inv, FunctionInvocation.ARGUMENTS_PROPERTY);
    listRewrite.insertLast(ast.newSimpleName("param3"), null);

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("function foo() {\n");
    buf.append("  object.method(\n");
    buf.append("    param1, // text about param1\n");
    buf.append("    param2  // text about param2\n");
    buf.append(", param3\n");
    buf.append("  );\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testInfixExpression() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= 1 + 2;\n");
    buf.append("        j= 1 + 2 + 3 + 4 + 5;\n");
    buf.append("        k= 1 + 2 + 3 + 4 + 5;\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 3", statements.size() == 3);
    { // change left side & right side & operand
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      Assignment assignment = (Assignment) stmt.getExpression();
      InfixExpression expr = (InfixExpression) assignment.getRightHandSide();

      SimpleName leftOp = ast.newSimpleName("k");
      rewrite.replace(expr.getLeftOperand(), leftOp, null);

      SimpleName rightOp = ast.newSimpleName("j");
      rewrite.replace(expr.getRightOperand(), rightOp, null);

      // change operand
      rewrite.set(expr, InfixExpression.OPERATOR_PROPERTY, InfixExpression.Operator.MINUS, null);
    }

    { // remove an ext. operand, add one and replace one
      ExpressionStatement stmt = (ExpressionStatement) statements.get(1);
      Assignment assignment = (Assignment) stmt.getExpression();
      InfixExpression expr = (InfixExpression) assignment.getRightHandSide();

      List extendedOperands = expr.extendedOperands();
      assertTrue("Number of extendedOperands not 3", extendedOperands.size() == 3);

      rewrite.remove((ASTNode) extendedOperands.get(0), null);

      SimpleName newOp1 = ast.newSimpleName("k");
      rewrite.replace((ASTNode) extendedOperands.get(1), newOp1, null);

      SimpleName newOp2 = ast.newSimpleName("n");
      rewrite
          .getListRewrite(expr, InfixExpression.EXTENDED_OPERANDS_PROPERTY)
          .insertLast(newOp2, null);
    }

    { // change operand
      ExpressionStatement stmt = (ExpressionStatement) statements.get(2);
      Assignment assignment = (Assignment) stmt.getExpression();
      InfixExpression expr = (InfixExpression) assignment.getRightHandSide();

      rewrite.set(expr, InfixExpression.OPERATOR_PROPERTY, InfixExpression.Operator.TIMES, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        i= k - j;\n");
    buf.append("        j= 1 + 2 + k + 5 + n;\n");
    buf.append("        k= 1 * 2 * 3 * 4 * 5;\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testMethodParamsRenameReorder() throws Exception {
    if (true) return;
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function m( y,  a) {\n");
    buf.append("        m(y, a);\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "m");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 1", statements.size() == 1);
    {
      // params
      List params = methodDecl.parameters();
      SingleVariableDeclaration firstParam = (SingleVariableDeclaration) params.get(0);
      SingleVariableDeclaration secondParam = (SingleVariableDeclaration) params.get(1);

      // args
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();
      List arguments = invocation.arguments();
      SimpleName first = (SimpleName) arguments.get(0);
      SimpleName second = (SimpleName) arguments.get(1);

      // rename args
      SimpleName newFirstArg = methodDecl.getAST().newSimpleName("yyy");
      SimpleName newSecondArg = methodDecl.getAST().newSimpleName("bb");
      rewrite.replace(first, newFirstArg, null);
      rewrite.replace(second, newSecondArg, null);

      // rename params
      SimpleName newFirstName = methodDecl.getAST().newSimpleName("yyy");
      SimpleName newSecondName = methodDecl.getAST().newSimpleName("bb");
      rewrite.replace(firstParam.getName(), newFirstName, null);
      rewrite.replace(secondParam.getName(), newSecondName, null);

      // reoder params
      ASTNode paramplaceholder1 = rewrite.createCopyTarget(firstParam);
      ASTNode paramplaceholder2 = rewrite.createCopyTarget(secondParam);

      rewrite.replace(firstParam, paramplaceholder2, null);
      rewrite.replace(secondParam, paramplaceholder1, null);

      // reorder args
      ASTNode placeholder1 = rewrite.createCopyTarget(first);
      ASTNode placeholder2 = rewrite.createCopyTarget(second);

      rewrite.replace(first, placeholder2, null);
      rewrite.replace(second, placeholder1, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function m(bb, yyy) {\n");
    buf.append("        m(bb, yyy);\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }
  /** @deprecated using deprecated code */
  public void testMethodInvocation() throws Exception {
    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        foo(1, 2).goo();\n");
    buf.append("        foo(1, 2).goo();\n");
    buf.append("        foo(1, 2).goo();\n");
    buf.append("    }\n");
    IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);

    JavaScriptUnit astRoot = createAST(cu);
    ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

    AST ast = astRoot.getAST();

    assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
    //		TypeDeclaration type= findTypeDeclaration(astRoot, "E");
    FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
    Block block = methodDecl.getBody();
    List statements = block.statements();
    assertTrue("Number of statements not 3", statements.size() == 3);
    { // remove expression, add param, change name
      ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
      FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();

      rewrite.remove(invocation.getExpression(), null);

      SimpleName name = ast.newSimpleName("x");
      rewrite.replace(invocation.getName(), name, null);

      ASTNode arg = ast.newNumberLiteral("1");
      rewrite
          .getListRewrite(invocation, FunctionInvocation.ARGUMENTS_PROPERTY)
          .insertLast(arg, null);
    }
    { // insert expression, delete params
      ExpressionStatement stmt = (ExpressionStatement) statements.get(1);
      FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();

      FunctionInvocation leftInvocation = (FunctionInvocation) invocation.getExpression();

      SimpleName newExpression = ast.newSimpleName("x");
      rewrite.set(leftInvocation, FunctionInvocation.EXPRESSION_PROPERTY, newExpression, null);

      List args = leftInvocation.arguments();
      rewrite.remove((ASTNode) args.get(0), null);
      rewrite.remove((ASTNode) args.get(1), null);
    }
    { // remove expression, add it as parameter
      ExpressionStatement stmt = (ExpressionStatement) statements.get(2);
      FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();

      ASTNode placeHolder = rewrite.createCopyTarget(invocation.getExpression());

      rewrite.set(invocation, FunctionInvocation.EXPRESSION_PROPERTY, null, null);

      rewrite
          .getListRewrite(invocation, FunctionInvocation.ARGUMENTS_PROPERTY)
          .insertLast(placeHolder, null);
    }

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("    function foo() {\n");
    buf.append("        x(1);\n");
    buf.append("        x.foo().goo();\n");
    buf.append("        goo(foo(1, 2));\n");
    buf.append("    }\n");
    assertEqualString(preview, buf.toString());
  }