org.eclipse.xtext.xbase.lib.Extension Java Examples

protected void translateParameter(JvmExecutable executable, XtendParameter parameter) {
	JvmFormalParameter jvmParam = typesFactory.createJvmFormalParameter();
	jvmParam.setName(parameter.getName());
	if (parameter.isVarArg()) {
		executable.setVarArgs(true);
		JvmGenericArrayTypeReference arrayType = typeReferences.createArrayType(jvmTypesBuilder
				.cloneWithProxies(parameter.getParameterType()));
		jvmParam.setParameterType(arrayType);
	} else {
		jvmParam.setParameterType(jvmTypesBuilder.cloneWithProxies(parameter.getParameterType()));
	}
	associator.associate(parameter, jvmParam);
	translateAnnotationsTo(parameter.getAnnotations(), jvmParam);
	if (parameter.isExtension() && typeReferences.findDeclaredType(Extension.class, parameter) != null) {
		jvmParam.getAnnotations().add(_annotationTypesBuilder.annotationRef(Extension.class));
	}
	executable.getParameters().add(jvmParam);
}
 

protected void testSymbol(final Procedure1<? super WorkspaceSymbolConfiguration> configurator) {
  try {
    @Extension
    final WorkspaceSymbolConfiguration configuration = new WorkspaceSymbolConfiguration();
    configuration.setFilePath(("MyModel." + this.fileExtension));
    configurator.apply(configuration);
    this.initializeContext(configuration);
    String _query = configuration.getQuery();
    WorkspaceSymbolParams _workspaceSymbolParams = new WorkspaceSymbolParams(_query);
    final List<? extends SymbolInformation> symbols = this.languageServer.symbol(_workspaceSymbolParams).get();
    Procedure1<? super List<? extends SymbolInformation>> _assertSymbols = configuration.getAssertSymbols();
    boolean _tripleNotEquals = (_assertSymbols != null);
    if (_tripleNotEquals) {
      configuration.getAssertSymbols().apply(symbols);
    } else {
      final String actualSymbols = this.toExpectation(symbols);
      this.assertEquals(configuration.getExpectedSymbols(), actualSymbols);
    }
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

@Override
public void doTransform(final MutableClassDeclaration annotatedClass, @Extension final TransformationContext context) {
  super.doTransform(annotatedClass, context);
  Type _findTypeGlobally = context.findTypeGlobally(this.generatedAnnotationName(annotatedClass));
  final MutableAnnotationTypeDeclaration annotationType = ((MutableAnnotationTypeDeclaration) _findTypeGlobally);
  final Procedure1<MutableAnnotationTypeElementDeclaration> _function = (MutableAnnotationTypeElementDeclaration it) -> {
    it.setDocComment("Best building strategy game ever");
    it.setType(context.newTypeReference(Integer.TYPE));
    boolean _booleanValue = annotatedClass.findAnnotation(context.findTypeGlobally(ToAnno.class)).getBooleanValue("defaultValue");
    if (_booleanValue) {
      StringConcatenationClient _client = new StringConcatenationClient() {
        @Override
        protected void appendTo(StringConcatenationClient.TargetStringConcatenation _builder) {
          _builder.append("1602");
        }
      };
      it.setDefaultValueExpression(_client);
    }
  };
  annotationType.addAnnotationTypeElement("anno", _function);
}
 

protected void _format(final XCollectionLiteral literal, @Extension final IFormattableDocument document) {
  final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
    it.noSpace();
  };
  document.append(this.textRegionExtensions.regionFor(literal).keyword("#"), _function);
  ISemanticRegion _elvis = null;
  ISemanticRegion _keyword = this.textRegionExtensions.regionFor(literal).keyword("[");
  if (_keyword != null) {
    _elvis = _keyword;
  } else {
    ISemanticRegion _keyword_1 = this.textRegionExtensions.regionFor(literal).keyword("{");
    _elvis = _keyword_1;
  }
  final ISemanticRegion open = _elvis;
  ISemanticRegion _elvis_1 = null;
  ISemanticRegion _keyword_2 = this.textRegionExtensions.regionFor(literal).keyword("]");
  if (_keyword_2 != null) {
    _elvis_1 = _keyword_2;
  } else {
    ISemanticRegion _keyword_3 = this.textRegionExtensions.regionFor(literal).keyword("}");
    _elvis_1 = _keyword_3;
  }
  final ISemanticRegion close = _elvis_1;
  this.formatCommaSeparatedList(literal.getElements(), open, close, document);
}
 

protected void testExecuteCommand(final Procedure1<? super CommandServiceTest.TestExecuteCommandConfiguration> configurator) {
  try {
    @Extension
    final CommandServiceTest.TestExecuteCommandConfiguration configuration = new CommandServiceTest.TestExecuteCommandConfiguration();
    configurator.apply(configuration);
    final String command = configuration.command;
    final List<Object> args = configuration.args;
    ExecuteCommandParams _executeCommandParams = new ExecuteCommandParams(command, args);
    final CompletableFuture<Object> result = this.languageServer.executeCommand(_executeCommandParams);
    if ((configuration.assertCommandResult != null)) {
      final Object value = result.get();
      configuration.assertCommandResult.accept(value);
    }
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

protected void testFormatting(final Procedure1<? super DocumentFormattingParams> paramsConfigurator, final Procedure1<? super FormattingConfiguration> configurator) {
  try {
    @Extension
    final FormattingConfiguration configuration = new FormattingConfiguration();
    configuration.setFilePath(("MyModel." + this.fileExtension));
    configurator.apply(configuration);
    final FileInfo fileInfo = this.initializeContext(configuration);
    DocumentFormattingParams _documentFormattingParams = new DocumentFormattingParams();
    final Procedure1<DocumentFormattingParams> _function = (DocumentFormattingParams it) -> {
      String _uri = fileInfo.getUri();
      TextDocumentIdentifier _textDocumentIdentifier = new TextDocumentIdentifier(_uri);
      it.setTextDocument(_textDocumentIdentifier);
      if ((paramsConfigurator != null)) {
        paramsConfigurator.apply(it);
      }
    };
    DocumentFormattingParams _doubleArrow = ObjectExtensions.<DocumentFormattingParams>operator_doubleArrow(_documentFormattingParams, _function);
    final CompletableFuture<List<? extends TextEdit>> changes = this.languageServer.formatting(_doubleArrow);
    String _contents = fileInfo.getContents();
    final Document result = new Document(Integer.valueOf(1), _contents).applyChanges(ListExtensions.<TextEdit>reverse(CollectionLiterals.<TextEdit>newArrayList(((TextEdit[])Conversions.unwrapArray(changes.get(), TextEdit.class)))));
    this.assertEqualsStricter(configuration.getExpectedText(), result.getContents());
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

@Override
public void doRegisterGlobals(final List<? extends ClassDeclaration> annotatedSourceElements, @Extension final RegisterGlobalsContext ctx) {
  final Consumer<ClassDeclaration> _function = (ClassDeclaration it) -> {
    String _qualifiedName = it.getQualifiedName();
    int _length = it.getQualifiedName().length();
    int _length_1 = it.getSimpleName().length();
    int _minus = (_length - _length_1);
    final String pkg = _qualifiedName.substring(0, _minus);
    String _simpleName = it.getSimpleName();
    final String PVersionName = ((pkg + "P") + _simpleName);
    String _simpleName_1 = it.getSimpleName();
    final String GVersionName = ((pkg + "G") + _simpleName_1);
    ctx.registerClass(PVersionName);
    ctx.registerClass(GVersionName);
  };
  annotatedSourceElements.forEach(_function);
}
 

@Override
public void doTransform(final MutableClassDeclaration annotatedClass, @Extension final TransformationContext context) {
  final MutableInterfaceDeclaration interfaceType = context.findInterface(this.getInterfaceName(annotatedClass));
  context.setPrimarySourceElement(interfaceType, annotatedClass);
  try {
    final EnumerationValueDeclaration value = annotatedClass.findAnnotation(context.findTypeGlobally(AnnotationWithNestedEnum.class)).getEnumValue("value");
    final Procedure1<AnnotationReferenceBuildContext> _function = (AnnotationReferenceBuildContext it) -> {
      it.setEnumValue("value", value);
    };
    final AnnotationReference ref = context.newAnnotationReference(AnnotationWithNestedEnum.class, _function);
    interfaceType.addAnnotation(ref);
  } catch (final Throwable _t) {
    if (_t instanceof Exception) {
      final Exception exc = (Exception)_t;
      String _message = exc.getMessage();
      String _plus = ("failed: " + _message);
      context.addError(annotatedClass, _plus);
    } else {
      throw Exceptions.sneakyThrow(_t);
    }
  }
}
 

protected void _format(final Unit unit, @Extension final IFormattableDocument document) {
  EList<SimpleTypeRef> _implements = unit.getImplements();
  for (final SimpleTypeRef simpleTypeRef : _implements) {
    document.<SimpleTypeRef>format(simpleTypeRef);
  }
  EList<ProvidedCapability> _providedCapabilities = unit.getProvidedCapabilities();
  for (final ProvidedCapability providedCapability : _providedCapabilities) {
    document.<ProvidedCapability>format(providedCapability);
  }
  EList<AliasedRequiredCapability> _requiredCapabilities = unit.getRequiredCapabilities();
  for (final AliasedRequiredCapability aliasedRequiredCapability : _requiredCapabilities) {
    document.<AliasedRequiredCapability>format(aliasedRequiredCapability);
  }
  EList<RequiredCapability> _metaRequiredCapabilities = unit.getMetaRequiredCapabilities();
  for (final RequiredCapability requiredCapability : _metaRequiredCapabilities) {
    document.<RequiredCapability>format(requiredCapability);
  }
  EList<Function> _functions = unit.getFunctions();
  for (final Function function : _functions) {
    document.<Function>format(function);
  }
}
 

@Override
public void doGenerateCode(final List<? extends ClassDeclaration> annotatedSourceElements, @Extension final CodeGenerationContext context) {
  for (final ClassDeclaration clazz : annotatedSourceElements) {
    {
      final Path filePath = clazz.getCompilationUnit().getFilePath();
      Path _targetFolder = context.getTargetFolder(filePath);
      String _replace = clazz.getQualifiedName().replace(".", "/");
      String _plus = (_replace + ".properties");
      final Path file = _targetFolder.append(_plus);
      StringConcatenation _builder = new StringConcatenation();
      {
        Iterable<? extends FieldDeclaration> _declaredFields = clazz.getDeclaredFields();
        for(final FieldDeclaration field : _declaredFields) {
          String _simpleName = field.getSimpleName();
          _builder.append(_simpleName);
          _builder.append(" = ");
          String _initializerAsString = this.getInitializerAsString(field);
          _builder.append(_initializerAsString);
          _builder.newLineIfNotEmpty();
        }
      }
      context.setContents(file, _builder);
    }
  }
}
 

@Override
public void doTransform(final MutableClassDeclaration annotatedClass, @Extension final TransformationContext context) {
  final Path path = annotatedClass.getCompilationUnit().getFilePath();
  final String contents = context.getContents(context.getProjectFolder(path).append("res/template.txt")).toString();
  final String[] segments = contents.trim().split(",");
  for (final String segment : segments) {
    final Procedure1<MutableFieldDeclaration> _function = (MutableFieldDeclaration it) -> {
      it.setType(context.getString());
    };
    annotatedClass.addField(segment, _function);
  }
}
 

protected void formatAnnotations(final XtendAnnotationTarget target, @Extension final IFormattableDocument document, final Procedure1<? super IHiddenRegionFormatter> configKey) {
  boolean _isEmpty = target.getAnnotations().isEmpty();
  if (_isEmpty) {
    return;
  }
  EList<XAnnotation> _annotations = target.getAnnotations();
  for (final XAnnotation a : _annotations) {
    {
      document.<XAnnotation>format(a);
      document.<XAnnotation>append(a, configKey);
    }
  }
}
 

@Override
public void doTransform(final MutableClassDeclaration it, @Extension final TransformationContext context) {
  AnnotationReference _findAnnotation = it.findAnnotation(context.findTypeGlobally(Data.class));
  boolean _tripleNotEquals = (_findAnnotation != null);
  if (_tripleNotEquals) {
    return;
  }
  @Extension
  final ToStringProcessor.Util util = new ToStringProcessor.Util(context);
  final AnnotationReference annotation = it.findAnnotation(context.findTypeGlobally(ToString.class));
  final ToStringConfiguration configuration = new ToStringConfiguration(annotation);
  boolean _hasToString = util.hasToString(it);
  if (_hasToString) {
    context.addWarning(annotation, "toString is already defined, this annotation has no effect.");
  } else {
    TypeReference _extendedClass = it.getExtendedClass();
    TypeReference _object = context.getObject();
    boolean _notEquals = (!Objects.equal(_extendedClass, _object));
    if (_notEquals) {
      util.addReflectiveToString(it, configuration);
    } else {
      final Function1<MutableFieldDeclaration, Boolean> _function = (MutableFieldDeclaration it_1) -> {
        return Boolean.valueOf(((context.isThePrimaryGeneratedJavaElement(it_1) && (!it_1.isStatic())) && (!it_1.isTransient())));
      };
      util.addToString(it, IterableExtensions.filter(it.getDeclaredFields(), _function), configuration);
    }
  }
}
 

protected void _format(final XExpression expr, @Extension final IFormattableDocument format) {
  EList<EObject> _eContents = expr.eContents();
  for (final EObject obj : _eContents) {
    boolean _matched = false;
    if (obj instanceof XExpression) {
      _matched=true;
      format.<XExpression>format(((XExpression)obj));
    }
  }
}
 

@Override
public void doTransform(final List<? extends MutableMemberDeclaration> elements, @Extension final TransformationContext context) {
  @Extension
  final DelegateProcessor.Util util = new DelegateProcessor.Util(context);
  final Consumer<MutableMemberDeclaration> _function = (MutableMemberDeclaration it) -> {
    boolean _isValidDelegate = util.isValidDelegate(it);
    if (_isValidDelegate) {
      final Consumer<ResolvedMethod> _function_1 = (ResolvedMethod method) -> {
        util.implementMethod(it, method);
      };
      util.getMethodsToImplement(it).forEach(_function_1);
    }
  };
  elements.forEach(_function);
}
 

protected void _format(final XImportSection section, @Extension final IFormattableDocument format) {
  EList<XImportDeclaration> _importDeclarations = section.getImportDeclarations();
  for (final XImportDeclaration imp : _importDeclarations) {
    {
      format.<XImportDeclaration>format(imp);
      XImportDeclaration _last = IterableExtensions.<XImportDeclaration>last(section.getImportDeclarations());
      boolean _notEquals = (!Objects.equal(imp, _last));
      if (_notEquals) {
        format.<XImportDeclaration>append(imp, XbaseFormatterPreferenceKeys.blankLinesBetweenImports);
      } else {
        format.<XImportDeclaration>append(imp, XbaseFormatterPreferenceKeys.blankLinesAfterImports);
      }
    }
  }
}
 

protected void _format(final XThrowExpression expr, @Extension final IFormattableDocument format) {
  final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
    it.oneSpace();
  };
  format.<XExpression>prepend(expr.getExpression(), _function);
  format.<XExpression>format(expr.getExpression());
}
 

protected void _format(final JvmTypeParameter ref, @Extension final IFormattableDocument document) {
  EList<JvmTypeConstraint> _constraints = ref.getConstraints();
  for (final JvmTypeConstraint c : _constraints) {
    {
      final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
        it.oneSpace();
      };
      document.<JvmTypeConstraint>prepend(c, _function);
      document.<JvmTypeConstraint>format(c);
    }
  }
}
 

protected void _format(final JvmWildcardTypeReference ref, @Extension final IFormattableDocument document) {
  boolean _isEmpty = ref.getConstraints().isEmpty();
  boolean _not = (!_isEmpty);
  if (_not) {
    final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
      it.oneSpace();
    };
    document.append(this.textRegionExtensions.regionFor(ref).keyword("?"), _function);
  }
  EList<JvmTypeConstraint> _constraints = ref.getConstraints();
  for (final JvmTypeConstraint c : _constraints) {
    document.<JvmTypeConstraint>format(c);
  }
}
 

@Override
public void doTransform(final MutableClassDeclaration annotatedClass, @Extension final TransformationContext context) {
  final MutableInterfaceDeclaration interfaceType = context.findInterface(this.getInterfaceName(annotatedClass));
  context.setPrimarySourceElement(interfaceType, annotatedClass);
  Iterable<? extends TypeReference> _implementedInterfaces = annotatedClass.getImplementedInterfaces();
  TypeReference _newTypeReference = context.newTypeReference(interfaceType);
  Iterable<TypeReference> _plus = Iterables.<TypeReference>concat(_implementedInterfaces, Collections.<TypeReference>unmodifiableList(CollectionLiterals.<TypeReference>newArrayList(_newTypeReference)));
  annotatedClass.setImplementedInterfaces(_plus);
  Iterable<? extends MutableMethodDeclaration> _declaredMethods = annotatedClass.getDeclaredMethods();
  for (final MutableMethodDeclaration method : _declaredMethods) {
    Visibility _visibility = method.getVisibility();
    boolean _equals = Objects.equal(_visibility, Visibility.PUBLIC);
    if (_equals) {
      final Procedure1<MutableMethodDeclaration> _function = (MutableMethodDeclaration it) -> {
        it.setDocComment(method.getDocComment());
        it.setReturnType(method.getReturnType());
        Iterable<? extends MutableParameterDeclaration> _parameters = method.getParameters();
        for (final MutableParameterDeclaration p : _parameters) {
          it.addParameter(p.getSimpleName(), p.getType());
        }
        it.setExceptions(((TypeReference[])Conversions.unwrapArray(method.getExceptions(), TypeReference.class)));
        context.setPrimarySourceElement(it, method);
      };
      interfaceType.addMethod(method.getSimpleName(), _function);
    }
  }
}
 

protected void generateProductionGrammar() {
  @Extension
  final GrammarNaming naming = this.productionNaming;
  final IXtextGeneratorFileSystemAccess fsa = this.getProjectConfig().getRuntime().getSrcGen();
  this.productionGenerator.generate(this.getGrammar(), this.getOptions(), fsa);
  this.runAntlr(naming.getParserGrammar(this.getGrammar()), naming.getLexerGrammar(this.getGrammar()), fsa);
  this.simplifyUnorderedGroupPredicatesIfRequired(this.getGrammar(), fsa, naming.getInternalParserClass(this.getGrammar()));
  this.splitParserAndLexerIfEnabled(fsa, naming.getInternalParserClass(this.getGrammar()), naming.getLexerClass(this.getGrammar()));
  this.normalizeTokens(fsa, naming.getLexerGrammar(this.getGrammar()).getTokensFileName());
  this.suppressWarnings(fsa, naming.getInternalParserClass(this.getGrammar()), naming.getLexerClass(this.getGrammar()));
  this.normalizeLineDelimiters(fsa, naming.getInternalParserClass(this.getGrammar()), naming.getLexerClass(this.getGrammar()));
}
 

@Override
protected void _format(final XVariableDeclaration expr, @Extension final IFormattableDocument format) {
  final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
    it.oneSpace();
  };
  format.append(this.textRegionExtensions.regionFor(expr).keyword("extension"), _function);
  super._format(expr, format);
}
 

protected void testDocumentSymbol(final Procedure1<? super DocumentSymbolConfiguraiton> configurator) {
  try {
    @Extension
    final DocumentSymbolConfiguraiton configuration = new DocumentSymbolConfiguraiton();
    configuration.setFilePath(("MyModel." + this.fileExtension));
    configurator.apply(configuration);
    final String fileUri = this.initializeContext(configuration).getUri();
    TextDocumentIdentifier _textDocumentIdentifier = new TextDocumentIdentifier(fileUri);
    DocumentSymbolParams _documentSymbolParams = new DocumentSymbolParams(_textDocumentIdentifier);
    final CompletableFuture<List<Either<SymbolInformation, DocumentSymbol>>> symbolsFuture = this.languageServer.documentSymbol(_documentSymbolParams);
    final List<Either<SymbolInformation, DocumentSymbol>> symbols = symbolsFuture.get();
    Procedure1<? super List<Either<SymbolInformation, DocumentSymbol>>> _assertSymbols = configuration.getAssertSymbols();
    boolean _tripleNotEquals = (_assertSymbols != null);
    if (_tripleNotEquals) {
      configuration.getAssertSymbols().apply(symbols);
    } else {
      final Function1<Either<SymbolInformation, DocumentSymbol>, Object> _function = (Either<SymbolInformation, DocumentSymbol> it) -> {
        Object _xifexpression = null;
        if (this.hierarchicalDocumentSymbolSupport) {
          _xifexpression = it.getRight();
        } else {
          _xifexpression = it.getLeft();
        }
        return _xifexpression;
      };
      final List<Object> unwrappedSymbols = ListExtensions.<Either<SymbolInformation, DocumentSymbol>, Object>map(symbols, _function);
      final String actualSymbols = this.toExpectation(unwrappedSymbols);
      this.assertEquals(configuration.getExpectedSymbols(), actualSymbols);
    }
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

protected void addEitherSetter(final MutableFieldDeclaration field, final String setterName, final EitherTypeArgument argument, @Extension final JsonRpcDataTransformationContext context) {
  final Procedure1<MutableMethodDeclaration> _function = (MutableMethodDeclaration method) -> {
    context.setPrimarySourceElement(method, context.getPrimarySourceElement(field));
    method.addParameter(field.getSimpleName(), argument.getType());
    method.setStatic(field.isStatic());
    method.setVisibility(Visibility.PUBLIC);
    method.setReturnType(context.getPrimitiveVoid());
    final CompilationStrategy _function_1 = (CompilationStrategy.CompilationContext ctx) -> {
      return this.compileEitherSetterBody(field, argument, field.getSimpleName(), ctx, context);
    };
    method.setBody(_function_1);
  };
  field.getDeclaringType().addMethod(setterName, _function);
}
 

protected void _format(final XtendAnnotationType annotationType, @Extension final IFormattableDocument format) {
  this.formatAnnotations(annotationType, format, XbaseFormatterPreferenceKeys.newLineAfterClassAnnotations);
  this.formatModifiers(annotationType, format);
  final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
    it.oneSpace();
  };
  format.append(this.textRegionExtensions.regionFor(annotationType).keyword("annotation"), _function);
  this.formatBody(annotationType, format);
}
 

/**
 * Always put existing modifiers into this fixed order
 */
protected void formatModifiers(final XtendMember member, @Extension final IFormattableDocument document) {
  final Consumer<ISemanticRegion> _function = (ISemanticRegion it) -> {
    final Procedure1<IHiddenRegionFormatter> _function_1 = (IHiddenRegionFormatter it_1) -> {
      it_1.oneSpace();
    };
    document.append(it, _function_1);
  };
  this.textRegionExtensions.regionFor(member).ruleCallsTo(this._xtendGrammarAccess.getCommonModifierRule(), this._xtendGrammarAccess.getMethodModifierRule(), this._xtendGrammarAccess.getFieldModifierRule()).forEach(_function);
}
 

protected void _format(final Property property, @Extension final IFormattableDocument document) {
  final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
    it.noSpace();
  };
  document.surround(this.textRegionExtensions.regionFor(property).keyword(":"), _function);
  document.<JvmTypeReference>format(property.getType());
}
 

@Override
public void doTransform(final MutableClassDeclaration it, @Extension final TransformationContext context) {
  AnnotationReference _findAnnotation = it.findAnnotation(context.findTypeGlobally(Data.class));
  boolean _tripleNotEquals = (_findAnnotation != null);
  if (_tripleNotEquals) {
    return;
  }
  @Extension
  final EqualsHashCodeProcessor.Util util = new EqualsHashCodeProcessor.Util(context);
  boolean _hasEquals = util.hasEquals(it);
  if (_hasEquals) {
    final AnnotationReference annotation = it.findAnnotation(context.findTypeGlobally(EqualsHashCode.class));
    context.addWarning(annotation, "equals is already defined, this annotation has no effect");
  } else {
    boolean _hasHashCode = util.hasHashCode(it);
    if (_hasHashCode) {
      context.addWarning(it, "hashCode is already defined, this annotation has no effect");
    } else {
      final Function1<MutableFieldDeclaration, Boolean> _function = (MutableFieldDeclaration it_1) -> {
        return Boolean.valueOf((((!it_1.isStatic()) && (!it_1.isTransient())) && context.isThePrimaryGeneratedJavaElement(it_1)));
      };
      final Iterable<? extends MutableFieldDeclaration> fields = IterableExtensions.filter(it.getDeclaredFields(), _function);
      util.addEquals(it, fields, util.hasSuperEquals(it));
      util.addHashCode(it, fields, util.hasSuperHashCode(it));
    }
  }
}
 

@Override
public void doTransform(final List<? extends MutableTypeParameterDeclarator> elements, @Extension final TransformationContext context) {
  final Consumer<MutableTypeParameterDeclarator> _function = (MutableTypeParameterDeclarator it) -> {
    this.transform(it, context);
  };
  elements.forEach(_function);
}
 

@Test
public void testExtractAnnotation() {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("@extract.Extract");
  _builder.newLine();
  _builder.append("class MyClass {");
  _builder.newLine();
  _builder.append("\t");
  _builder.append("override doStuff(String myParam) throws IllegalArgumentException {");
  _builder.newLine();
  _builder.append("\t\t");
  _builder.append("return myParam");
  _builder.newLine();
  _builder.append("\t");
  _builder.append("}");
  _builder.newLine();
  _builder.append("}");
  _builder.newLine();
  final IAcceptor<XtendCompilerTester.CompilationResult> _function = (XtendCompilerTester.CompilationResult it) -> {
    @Extension
    final TransformationContext ctx = it.getTransformationContext();
    final MutableInterfaceDeclaration interf = ctx.findInterface("MyClassInterface");
    final MutableClassDeclaration clazz = ctx.findClass("MyClass");
    Assert.assertEquals(IterableExtensions.head(clazz.getImplementedInterfaces()).getType(), interf);
    MutableMethodDeclaration _head = IterableExtensions.head(interf.getDeclaredMethods());
    final Procedure1<MutableMethodDeclaration> _function_1 = (MutableMethodDeclaration it_1) -> {
      Assert.assertEquals("doStuff", it_1.getSimpleName());
      Assert.assertEquals(ctx.getString(), it_1.getReturnType());
      Assert.assertEquals(ctx.newTypeReference(IllegalArgumentException.class), IterableExtensions.head(it_1.getExceptions()));
    };
    ObjectExtensions.<MutableMethodDeclaration>operator_doubleArrow(_head, _function_1);
  };
  this.compilerTester.compile(_builder, _function);
}