コード例 #1
0
  private void replaceExpressionsWithConstant() throws JavaScriptModelException {
    ASTRewrite astRewrite = fCuRewrite.getASTRewrite();
    AST ast = astRewrite.getAST();

    IASTFragment[] fragmentsToReplace = getFragmentsToReplace();
    for (int i = 0; i < fragmentsToReplace.length; i++) {
      IASTFragment fragment = fragmentsToReplace[i];

      SimpleName ref = ast.newSimpleName(fConstantName);
      Name replacement = ref;
      if (qualifyReferencesWithDeclaringClassName()) {
        replacement =
            ast.newQualifiedName(ast.newSimpleName(getContainingTypeBinding().getName()), ref);
      }
      TextEditGroup description =
          fCuRewrite.createGroupDescription(
              RefactoringCoreMessages.ExtractConstantRefactoring_replace);

      fragment.replace(astRewrite, replacement, description);
      if (fLinkedProposalModel != null)
        fLinkedProposalModel
            .getPositionGroup(KEY_NAME, true)
            .addPosition(astRewrite.track(ref), false);
    }
  }
コード例 #2
0
  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());
  }
コード例 #3
0
  public void testCommentAtEnd() throws Exception {

    IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("function E() \n");
    buf.append("{\n");
    buf.append("}//comment");
    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);

    ListRewrite listRewrite = rewrite.getListRewrite(astRoot, JavaScriptUnit.STATEMENTS_PROPERTY);
    FunctionDeclaration newFunction = ast.newFunctionDeclaration();
    newFunction.setName(ast.newSimpleName("B"));
    listRewrite.insertLast(newFunction, null);

    String preview = evaluateRewrite(cu, rewrite);

    buf = new StringBuffer();
    buf.append("function E() \n");
    buf.append("{\n");
    buf.append("}//comment\n");
    buf.append("\n");
    buf.append("function B() {\n");
    buf.append("}");
    assertEqualString(preview, buf.toString());
  }
 public boolean visit(ThrowStatement node) {
   if (matches(node.getExpression().resolveTypeBinding())) {
     SimpleName name = fAST.newSimpleName("xxxxx"); // $NON-NLS-1$
     name.setSourceRange(node.getStartPosition(), 5);
     fResult.add(name);
   }
   return super.visit(node);
 }
 public boolean visit(SuperConstructorInvocation node) {
   if (matches(node.resolveConstructorBinding())) {
     SimpleName name = fAST.newSimpleName("xxxxx"); // $NON-NLS-1$
     name.setSourceRange(node.getStartPosition(), 5);
     fResult.add(name);
   }
   return super.visit(node);
 }
コード例 #6
0
  /** @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());
  }
コード例 #7
0
  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());
  }
コード例 #8
0
  /** @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());
  }
コード例 #9
0
  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());
  }
コード例 #10
0
  // 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());
  }
コード例 #11
0
  /** @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());
  }
コード例 #12
0
  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());
  }
コード例 #13
0
  private void createConstantDeclaration() throws CoreException {
    Type type = getConstantType();

    IExpressionFragment fragment = getSelectedExpression();
    String initializerSource =
        fCu.getBuffer().getText(fragment.getStartPosition(), fragment.getLength());

    AST ast = fCuRewrite.getAST();
    VariableDeclarationFragment variableDeclarationFragment = ast.newVariableDeclarationFragment();
    variableDeclarationFragment.setName(ast.newSimpleName(fConstantName));
    variableDeclarationFragment.setInitializer(
        (Expression)
            fCuRewrite
                .getASTRewrite()
                .createStringPlaceholder(initializerSource, ASTNode.SIMPLE_NAME));

    FieldDeclaration fieldDeclaration = ast.newFieldDeclaration(variableDeclarationFragment);
    fieldDeclaration.setType(type);
    Modifier.ModifierKeyword accessModifier = Modifier.ModifierKeyword.toKeyword(fVisibility);
    if (accessModifier != null) fieldDeclaration.modifiers().add(ast.newModifier(accessModifier));
    fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.STATIC_KEYWORD));
    fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.FINAL_KEYWORD));

    boolean createComments =
        JavaPreferencesSettings.getCodeGenerationSettings(fCu.getJavaScriptProject())
            .createComments;
    if (createComments) {
      String comment =
          CodeGeneration.getFieldComment(
              fCu, getConstantTypeName(), fConstantName, StubUtility.getLineDelimiterUsed(fCu));
      if (comment != null && comment.length() > 0) {
        JSdoc doc =
            (JSdoc) fCuRewrite.getASTRewrite().createStringPlaceholder(comment, ASTNode.JSDOC);
        fieldDeclaration.setJavadoc(doc);
      }
    }

    AbstractTypeDeclaration parent = getContainingTypeDeclarationNode();
    ListRewrite listRewrite =
        fCuRewrite.getASTRewrite().getListRewrite(parent, parent.getBodyDeclarationsProperty());
    TextEditGroup msg =
        fCuRewrite.createGroupDescription(
            RefactoringCoreMessages.ExtractConstantRefactoring_declare_constant);
    if (insertFirst()) {
      listRewrite.insertFirst(fieldDeclaration, msg);
    } else {
      listRewrite.insertAfter(fieldDeclaration, getNodeToInsertConstantDeclarationAfter(), msg);
    }

    if (fLinkedProposalModel != null) {
      ASTRewrite rewrite = fCuRewrite.getASTRewrite();
      LinkedProposalPositionGroup nameGroup = fLinkedProposalModel.getPositionGroup(KEY_NAME, true);
      nameGroup.addPosition(rewrite.track(variableDeclarationFragment.getName()), true);

      String[] nameSuggestions = guessConstantNames();
      if (nameSuggestions.length > 0 && !nameSuggestions[0].equals(fConstantName)) {
        nameGroup.addProposal(fConstantName, null, nameSuggestions.length + 1);
      }
      for (int i = 0; i < nameSuggestions.length; i++) {
        nameGroup.addProposal(nameSuggestions[i], null, nameSuggestions.length - i);
      }

      LinkedProposalPositionGroup typeGroup = fLinkedProposalModel.getPositionGroup(KEY_TYPE, true);
      typeGroup.addPosition(rewrite.track(type), true);

      ITypeBinding typeBinding = fragment.getAssociatedExpression().resolveTypeBinding();
      if (typeBinding != null) {
        ITypeBinding[] relaxingTypes = ASTResolving.getNarrowingTypes(ast, typeBinding);
        for (int i = 0; i < relaxingTypes.length; i++) {
          typeGroup.addProposal(relaxingTypes[i], fCuRewrite.getCu(), relaxingTypes.length - i);
        }
      }
      ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(
          fLinkedProposalModel, rewrite, fieldDeclaration.modifiers(), false);
    }
  }
コード例 #14
0
  /** @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());
  }
コード例 #15
0
  /** @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());
  }