Examples of org.eclipse.jdt.core.dom.CompilationUnit

org.eclipse.jdt.core.dom.CompilationUnit
Java compilation unit AST node type. This is the type of the root of an AST.
The source range for this type of node is ordinarily the entire source file, including leading and trailing whitespace and comments.
For JLS2:
```
 CompilationUnit: [ PackageDeclaration ] { ImportDeclaration } { TypeDeclaration | ; } 
```
For JLS3, the kinds of type declarations grew to include enum and annotation type declarations:
```
 CompilationUnit: [ PackageDeclaration ] { ImportDeclaration } { TypeDeclaration | EnumDeclaration | AnnotationTypeDeclaration | ; } 
```
@since 2.0 @noinstantiate This class is not intended to be instantiated by clients.

        return markers;
    }


    List<MarkerData> generateRemovedMethodMarker(IJavaProject javaProject, final String className, final String methodName, final Delta requiresDelta) throws JavaModelException {
        final List<MarkerData> markers = new LinkedList<MarkerData>();
        final CompilationUnit ast = createAST(javaProject, className);
        ast.accept(new ASTVisitor() {
            @Override
            public boolean visit(TypeDeclaration typeDecl) {
                ITypeBinding typeBinding = typeDecl.resolveBinding();
                if (typeBinding != null) {
                    if (typeBinding.getBinaryName().equals(className)) {
                        Map<String,Object> attribs = new HashMap<String,Object>();
                        SimpleName nameNode = typeDecl.getName();
                        attribs.put(IMarker.CHAR_START, nameNode.getStartPosition());
                        attribs.put(IMarker.CHAR_END, nameNode.getStartPosition() + nameNode.getLength());


                        String message = String.format("The method '%s' was removed, which requires a %s change to the package.", methodName, requiresDelta);
                        attribs.put(IMarker.MESSAGE, message);


                        markers.add(new MarkerData(ast.getJavaElement().getResource(), attribs, false));
                        return false;
                    }
                }
                return true;
            }

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        return (CompilationUnit) parser.createAST(null);
    }


    List<MarkerData> generateAddedMethodMarker(IJavaProject javaProject, String className, final String methodName, final Delta requiresDelta) throws JavaModelException {
        final List<MarkerData> markers = new LinkedList<MarkerData>();
        final CompilationUnit ast = createAST(javaProject, className);
        ast.accept(new ASTVisitor() {
            @Override
            public boolean visit(MethodDeclaration methodDecl) {
                String signature = ASTUtil.buildMethodSignature(methodDecl);
                if (signature.equals(methodName)) {
                    // Create the marker attribs here
                    Map<String,Object> attribs = new HashMap<String,Object>();
                    attribs.put(IMarker.CHAR_START, methodDecl.getStartPosition());
                    attribs.put(IMarker.CHAR_END, methodDecl.getStartPosition() + methodDecl.getLength());


                    String message = String.format("This method was added, which requires a %s change to the package.", requiresDelta);
                    attribs.put(IMarker.MESSAGE, message);


                    markers.add(new MarkerData(ast.getJavaElement().getResource(), attribs, false));
                }


                return false;
            }
        });

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        return markers;
    }


    List<MarkerData> generateRemovedMethodMarker(IJavaProject javaProject, final String className, final String methodName, final Delta requiresDelta) throws JavaModelException {
        final List<MarkerData> markers = new LinkedList<MarkerData>();
        final CompilationUnit ast = createAST(javaProject, className);
        ast.accept(new ASTVisitor() {
            @Override
            public boolean visit(TypeDeclaration typeDecl) {
                ITypeBinding typeBinding = typeDecl.resolveBinding();
                if (typeBinding != null) {
                    if (typeBinding.getBinaryName().equals(className)) {
                        Map<String,Object> attribs = new HashMap<String,Object>();
                        SimpleName nameNode = typeDecl.getName();
                        attribs.put(IMarker.CHAR_START, nameNode.getStartPosition());
                        attribs.put(IMarker.CHAR_END, nameNode.getStartPosition() + nameNode.getLength());


                        String message = String.format("The method '%s' was removed, which requires a %s change to the package.", methodName, requiresDelta);
                        attribs.put(IMarker.MESSAGE, message);


                        markers.add(new MarkerData(ast.getJavaElement().getResource(), attribs, false));
                        return false;
                    }
                }
                return true;
            }

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    public void analyseFile(final IFile file, final ICompilationUnit cunit, final IProgressMonitor mon)
        throws JavaModelException, CoreException
    {
      if ( cunit != null && cunit.exists() && cunit.isStructureKnown() )
      {
        CompilationUnit cu = ASTUtil.getAstOrParse(cunit, mon);


        MockASTVisitor visitor = new MockASTVisitor(cunit);
        cu.accept(visitor);


        CategorizedProblem[] probs = visitor.getProblems();
        file.deleteMarkers(MARKER, true, IResource.DEPTH_INFINITE);


        for (CategorizedProblem prob : probs) //f.recordNewProblems(probs);

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      final ImportRewrite importRw) throws CoreException, BadLocationException
  {
    try
    {
      Document recoveredDocument = new Document();
      CompilationUnit unit = getRecoveredAST(document, offset, recoveredDocument);
      initContext(offset, importRw, unit);


      ASTNode node = NodeFinder.perform(unit, offset, 1);
      AST ast = unit.getAST();
      ASTRewrite rewrite = ASTRewrite.create(ast);


      CodeGenerationSettings settings = getCodeGenSettings();


      MethodDeclaration stub = createMockMethodStub(ast, rewrite, settings);

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  }


  private CompilationUnit getRecoveredAST(final IDocument document, final int offset,
      final Document recoveredDocument)
  {
    CompilationUnit ast = SharedASTProvider.getAST(fCompilationUnit, SharedASTProvider.WAIT_ACTIVE_ONLY, null);
    if (ast != null)
    {
      recoveredDocument.set(document.get());
      return ast;
    }

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  public final List<ICompletionProposal> computeCompletionProposals(final ContentAssistInvocationContext context,
      final IProgressMonitor mon)
  {
    ITypeBinding mockType = null, paramType = null;
    ICompilationUnit cunit = getCompilationUnit(context);
    CompilationUnit astRoot = null;


    if (cunit != null)
    {
      astRoot = ASTUtil.getAstOrParse(cunit, mon);


      if( astRoot != null )
      {
        ASTNode node = NodeFinder.perform(astRoot, context.getInvocationOffset(), 1);


        mockType = MockUtil.getMockType(node);
        paramType = findMockedTypeFromNode(node);
      }
    }


    if ( paramType != null && mockType != null )
    {
      try
      {
        return getProposals(context, paramType, cunit, mockType, astRoot.getAST());
      }
      catch (Exception e)
      {
        fErrorMessage = e.getMessage();
        Activator.log(e);

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    return null;
  }


  public static CompilationUnit getAstOrParse(final ITypeRoot iTypeRoot, final IProgressMonitor mon)
  {
    CompilationUnit cu = SharedASTProvider.getAST(iTypeRoot, SharedASTProvider.WAIT_NO, mon);


    if( cu == null && (mon == null || !mon.isCanceled()) )
    {
      cu = parse(iTypeRoot, mon);
    }

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    ITypeBinding paramType = null;
    IRegion wordRegion = null;
    IMethodBinding mockMethod = null, realMethod = null;


    CompilationUnit astRoot = ASTUtil.getAstOrParse(input, null);
    if( astRoot == null )
    {
      return null;
    }


    ASTNode node = NodeFinder.perform(astRoot, region.getOffset(), 1);


    if( node instanceof SimpleName && node.getParent() instanceof MethodDeclaration )
    {
      MethodDeclaration mdec = (MethodDeclaration) node.getParent();
      mockMethod = mdec.resolveBinding();


      paramType = MockUtil.findMockedType(mdec, mockMethod);


      wordRegion = new Region(node.getStartPosition(), node.getLength());


      if( paramType != null && mockMethod != null )
      {
        realMethod = MockUtil.findRealMethodInType(paramType, mockMethod, astRoot.getAST());
      }


    }


    if ( realMethod != null && wordRegion != null )

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            }
            String typeDeclaration = "class " + typeNameWithParameters + " {}"; //$NON-NLS-1$//$NON-NLS-2$
            ASTParser parser = ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
            parser.setSource(typeDeclaration.toCharArray());
            parser.setProject(project);
            CompilationUnit compilationUnit = (CompilationUnit) parser.createAST(null);
            IProblem[] problems = compilationUnit.getProblems();
            if (problems.length > 0) {
                status.setError(Messages.format(NewWizardMessages.NewTypeWizardPage_error_InvalidTypeName, problems[0].getMessage()));
                return status;
            }
        }

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