Examples of org.aspectj.org.eclipse.jdt.core.dom.AST

Package org.aspectj.org.eclipse.jdt.core.dom

Examples of org.aspectj.org.eclipse.jdt.core.dom.AST

org.aspectj.org.eclipse.jdt.core.dom.AST
import declaration at end TextEdit edits = cu.rewrite(document, null); UndoEdit undo = edits.apply(document); See also {@link org.aspectj.org.eclipse.jdt.core.dom.rewrite.ASTRewrite} foran alternative way to describe and serialize changes to a read-only AST.

Clients may create instances of this class using {@link #newAST(int)}, but this class is not intended to be subclassed.
@see ASTParser @see ASTNode @since 2.0

    CompilationUnit astCU = (CompilationUnit) this.parser.createAST(this.progressMonitor);
    ASTNode node = ((JavaElement) elementToRemove).findNode(astCU);
    if (node == null) 
      Assert.isTrue(false, "Failed to locate " + elementToRemove.getElementName() + " in " + cu.getElementName()); //$NON-NLS-1$//$NON-NLS-2$
    IDocument document = getDocument(cu);
    AST ast = astCU.getAST();
    ASTRewrite rewriter = ASTRewrite.create(ast);
    rewriter.remove(node, null);
     TextEdit edits = rewriter.rewriteAST(document, null);
     try {
       edits.apply(document);

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      this.creationOccurred = false;
      return null;
    }
  }
  
  AST ast = this.cuAST.getAST();
  ImportDeclaration importDeclaration = ast.newImportDeclaration();
  importDeclaration.setStatic(Flags.isStatic(this.flags));
  // split import name into individual fragments, checking for on demand imports
  char[][] charFragments = CharOperation.splitOn('.', importActualName.toCharArray(), 0, importActualName.length());
  int length = charFragments.length;
  String[] strFragments = new String[length];
  for (int i = 0; i < length; i++) {
    strFragments[i] = String.valueOf(charFragments[i]);
  }
  Name name = ast.newName(strFragments);
  importDeclaration.setName(name);
  if (onDemand) importDeclaration.setOnDemand(true);
  return importDeclaration;
}

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            // we only consider potential compilation units
            ICompilationUnit cu = newFrag.getCompilationUnit(resourceName);
            if (Util.isExcluded(cu.getPath(), inclusionPatterns, exclusionPatterns, false/*not a folder*/)) continue;
            this.parser.setSource(cu);
            CompilationUnit astCU = (CompilationUnit) this.parser.createAST(this.progressMonitor);
            AST ast = astCU.getAST();
            ASTRewrite rewrite = ASTRewrite.create(ast);
            updatePackageStatement(astCU, newFragName, rewrite);
            IDocument document = getDocument(cu);
            TextEdit edits = rewrite.rewriteAST(document, null);
            try {

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    } else {
      // ensure cu is consistent (noop if already consistent)
      cu.makeConsistent(this.progressMonitor);
      this.parser.setSource(cu);
      CompilationUnit astCU = (CompilationUnit) this.parser.createAST(this.progressMonitor);
      AST ast = astCU.getAST();
      ASTRewrite rewrite = ASTRewrite.create(ast);
      updateTypeName(cu, astCU, cu.getElementName(), newName, rewrite);
      updatePackageStatement(astCU, destPackageName, rewrite);
      return rewrite;
    }

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      return rewrite;
    }
  }
  private void updatePackageStatement(CompilationUnit astCU, String[] pkgName, ASTRewrite rewriter) throws JavaModelException {
    boolean defaultPackage = pkgName.length == 0;
    AST ast = astCU.getAST();
    if (defaultPackage) {
      // remove existing package statement
      if (astCU.getPackage() != null)
        rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, null, null);
    } else {
      org.aspectj.org.eclipse.jdt.core.dom.PackageDeclaration pkg = astCU.getPackage();
      if (pkg != null) {
        // rename package statement
        Name name = ast.newName(pkgName);
        rewriter.set(pkg, PackageDeclaration.NAME_PROPERTY, name, null);
      } else {
        // create new package statement
        pkg = ast.newPackageDeclaration();
        pkg.setName(ast.newName(pkgName));
        rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, pkg, null);
      }
    }
  }

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     */
    private void updateTypeName(ICompilationUnit cu, CompilationUnit astCU, String oldName, String newName, ASTRewrite rewriter) throws JavaModelException {
      if (newName != null) {
        String oldTypeName= Util.getNameWithoutJavaLikeExtension(oldName);
        String newTypeName= Util.getNameWithoutJavaLikeExtension(newName);
        AST ast = astCU.getAST();
        // update main type name
        IType[] types = cu.getTypes();
        for (int i = 0, max = types.length; i < max; i++) {
          IType currentType = types[i];
          if (currentType.getElementName().equals(oldTypeName)) {
            AbstractTypeDeclaration typeNode = (AbstractTypeDeclaration) ((JavaElement) currentType).findNode(astCU);
            if (typeNode != null) {
              // rename type
              rewriter.replace(typeNode.getName(), ast.newSimpleName(newTypeName), null);
              // rename constructors
              Iterator bodyDeclarations = typeNode.bodyDeclarations().iterator();
              while (bodyDeclarations.hasNext()) {
                Object bodyDeclaration = bodyDeclarations.next();
                if (bodyDeclaration instanceof MethodDeclaration) {
                  MethodDeclaration methodDeclaration = (MethodDeclaration) bodyDeclaration;
                  if (methodDeclaration.isConstructor()) {
                    SimpleName methodName = methodDeclaration.getName();
                    if (methodName.getIdentifier().equals(oldTypeName)) {
                      rewriter.replace(methodName, ast.newSimpleName(newTypeName), null);
                    }
                  }
                }
              }
            }

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      //equivalent package declaration already exists
      this.creationOccurred = false;
      return null;
    }
  }
  AST ast = this.cuAST.getAST();
  PackageDeclaration pkgDeclaration = ast.newPackageDeclaration();
  Name astName = ast.newName(this.name);
  pkgDeclaration.setName(astName);
  return pkgDeclaration;
}

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   * Generates a new AST for this operation and applies it to the given cu
   */
  protected void generateNewCompilationUnitAST(ICompilationUnit cu) throws JavaModelException {
    this.cuAST = parse(cu);
    
    AST ast = this.cuAST.getAST();
    ASTRewrite rewriter = ASTRewrite.create(ast);
    IDocument document = getDocument(cu);
    ASTNode child = generateElementAST(rewriter, document, cu);
    if (child != null) {
      ASTNode parent = ((JavaElement) getParentElement()).findNode(this.cuAST);

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