/* (non-Javadoc)
  * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.MethodDeclaration)
  */
 @Override
 public boolean visit(MethodDeclaration node) {
   String[] specialMethods = {
     "initEvoSuiteFramework",
     "initializeClasses",
     "resetClasses",
     "setSystemProperties",
     "clearEvoSuiteFramework"
   };
   if (!ArrayUtil.contains(specialMethods, node.getName().toString())) {
     // System.out.println("Listing method to add:\n"+node.toString());
     result += node.toString();
     methods.add(node);
   }
   return super.visit(node);
 }
Пример #2
0
  /**
   * Add a method's data, words and its mappings to the database. This method is called externally
   * from {@link MyASTVisitor}.
   *
   * @param method A AST node of MethodDeclaration type
   */
  public void addMethodToDb(MethodDeclaration method) {
    System.out.println("Processing method: " + method.getName());

    CompilationUnit unit = (CompilationUnit) method.getRoot();
    IPath path = unit.getJavaElement().getResource().getLocation();

    dbManager.insertMethod(
        new MethodData(
            method.resolveBinding().getKey(), method.getName().toString(), path.toString()));

    // Gets camel case split words
    List<String> words = TFIDFIndex.getTokens(method.toString());

    for (String word : words) {
      addWordToDb(word, method.resolveBinding().getKey());
    }
  }
  private Example makeExample(
      MethodDeclaration node,
      Set<? extends Expression> envolvedInvocations,
      List<ApiMethod> envolvedApiMethods) {

    //  Visitor responsável por realizar o slicing de programas
    SlicingStatementVisitor visitor =
        new SlicingStatementVisitor(node, new HashSet<ASTNode>(envolvedInvocations));
    node.accept(visitor);

    Collection<Statement> relatedStatements = visitor.getSlicedStatements();

    ASTNode newAST =
        ASTUtil.copyStatements(node.getBody(), relatedStatements, AST.newAST(AST.JLS3));
    if (!relatedStatements.isEmpty()) {
      LOGGER.error("Some statements were not included!");
    }

    if (newAST == null) {
      LOGGER.error("Slicing process failed for node ");
      // TODO Se AST retornada for nula é porque faltou incluir statement(s)
      return null;
    } else if (((Block) newAST).statements().isEmpty()) {
      LOGGER.error("Slicing process failed for node ");
      // TODO Se o Block retornado for vazio é porque faltou incluir statement(s)
      return null;
    }

    ASTUtil.removeEmptyBlocks((Block) newAST);

    // Adiciona declarações de variáveis que não foram encontradas no escopo do método
    // Para facilitar, tipos iguais são declarados no mesmo Statement
    Set<String> additionalDeclarationLines = new HashSet<String>();
    Map<ITypeBinding, List<IVariableBinding>> typesMap =
        new HashMap<ITypeBinding, List<IVariableBinding>>();
    for (IVariableBinding ivb : visitor.getUndiscoveredDeclarations()) {
      if (!typesMap.containsKey(ivb.getType())) {
        typesMap.put(ivb.getType(), new ArrayList<IVariableBinding>(2));
      }
      typesMap.get(ivb.getType()).add(ivb);
    }

    for (ITypeBinding typeBinding : typesMap.keySet()) {
      List<IVariableBinding> variableBindings = typesMap.get(typeBinding);

      Stack<VariableDeclarationFragment> fragments = new Stack<VariableDeclarationFragment>();
      for (IVariableBinding ivb : variableBindings) {
        VariableDeclarationFragment declarationFragment =
            newAST.getAST().newVariableDeclarationFragment();
        declarationFragment.setName(newAST.getAST().newSimpleName(ivb.getName()));
        fragments.add(declarationFragment);
      }

      VariableDeclarationStatement statement =
          newAST.getAST().newVariableDeclarationStatement(fragments.pop());
      while (!fragments.isEmpty()) {
        statement.fragments().add(fragments.pop());
      }

      statement.setType(this.getType(typeBinding, newAST.getAST()));

      additionalDeclarationLines.add(statement.toString());
      ((Block) newAST).statements().add(0, statement);
    }

    Example example = new Example();
    example.setAttachment(this.attachmentMap.get(node.getRoot()));
    example.setApiMethods(new HashSet<ApiElement>(envolvedApiMethods));
    example.setImports(visitor.getImports());

    for (Expression seed : envolvedInvocations) {
      example.getSeeds().add(seed.toString());
    }

    example.setSourceMethod(node.toString());
    example.setAddedAt(new Date(System.currentTimeMillis()));

    try {
      IMethodBinding nodeBinding = node.resolveBinding();
      if (!this.methodMap.containsKey(nodeBinding)) {
        ApiClass newApiClass = new ApiClass(nodeBinding.getDeclaringClass().getQualifiedName());
        methodDeclarationHandler(node, newApiClass);
      }
      example.setSourceMethodCall(this.methodMap.get(nodeBinding).getFullName());
    } catch (Exception e) {
      LOGGER.error(e);
      if (example.getSourceMethodCall() == null) {
        example.setSourceMethodCall("?");
      }
    }

    String codeExample = newAST.toString();
    for (String line : additionalDeclarationLines) {
      codeExample =
          codeExample.replace(
              line,
              line.replace("\n", "").concat("  ").concat("//initialized previously").concat("\n"));
    }

    // FIXME
    codeExample = codeExample.replaceAll("(\\{\n)(\\s+)(\\})", "$1 //do something \n$3");

    try {
      example.setCodeExample(codeExample);
      example.setFormattedCodeExample(ASTUtil.codeFormatter(codeExample));
    } catch (Exception e) {
      LOGGER.error(e);
      if (example.getFormattedCodeExample() == null) {
        example.setFormattedCodeExample(codeExample);
      }
    }

    // TODO Obter métricas do exemplo
    example
        .getMetrics()
        .put(ExampleMetric.LOC.name(), example.getFormattedCodeExample().split("\n").length - 1);
    example.getMetrics().put(ExampleMetric.ARGUMENTS.name(), visitor.getNumberOfArguments());
    example
        .getMetrics()
        .put(ExampleMetric.DECISION_STATEMENTS.name(), visitor.getNumberOfDecisionStatements());
    example.getMetrics().put(ExampleMetric.INVOCATIONS.name(), visitor.getNumberOfInvocations());
    example
        .getMetrics()
        .put(ExampleMetric.NULL_ARGUMENTS.name(), visitor.getNumberOfNullArguments());
    example
        .getMetrics()
        .put(ExampleMetric.PRIMITIVE_ARGUMENTS.name(), visitor.getNumberOfPrimitiveArguments());
    example
        .getMetrics()
        .put(ExampleMetric.FIELD_ARGUMENTS.name(), visitor.getNumberOfFieldArguments());
    example
        .getMetrics()
        .put(
            ExampleMetric.UNDISCOVERED_DECLARATIONS.name(),
            visitor.getNumberOfUndiscoveredDeclarations());
    example
        .getMetrics()
        .put(ExampleMetric.UNHANDLED_EXCEPTIONS.name(), visitor.getNumberOfUnhandledExceptions());

    return example;
  }