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

public QuickfixTestBuilder assertModelAfterQuickfix(final CharSequence expectedModel) {
  QuickfixTestBuilder _xblockexpression = null;
  {
    final Function1<Issue, List<IssueResolution>> _function = (Issue it) -> {
      return this._issueResolutionProvider.getResolutions(it);
    };
    final List<IssueResolution> resolutions = IterableExtensions.<IssueResolution>toList(Iterables.<IssueResolution>concat(IterableExtensions.<Issue, List<IssueResolution>>map(this.getIssuesAtCaret(), _function)));
    final String originalModel = this.editor.getDocument().get();
    final IssueResolution resolution = IterableExtensions.<IssueResolution>head(resolutions);
    Assert.assertNotNull(resolution);
    resolution.apply();
    Assert.assertEquals(expectedModel.toString(), this.editor.getDocument().get());
    this.editor.getDocument().set(originalModel);
    this._syncUtil.waitForReconciler(this.editor);
    _xblockexpression = this;
  }
  return _xblockexpression;
}
 

@Test
public void testParentChild() {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("parent");
  _builder.newLine();
  _builder.append("\t");
  _builder.append("child");
  _builder.newLine();
  final Tree tree = this.parse(_builder);
  Assert.assertNotNull(tree);
  Assert.assertEquals(1, tree.getNodes().size());
  Assert.assertEquals("parent", IterableExtensions.<TreeNode>head(tree.getNodes()).getName());
  Assert.assertEquals("child", IterableExtensions.<TreeNode>head(IterableExtensions.<TreeNode>head(tree.getNodes()).getChildren()).getName());
  StringConcatenation _builder_1 = new StringConcatenation();
  _builder_1.append("parent");
  _builder_1.newLine();
  _builder_1.append("\t");
  _builder_1.append("child");
  _builder_1.newLine();
  Assert.assertEquals(_builder_1.toString(), this.asText(tree));
}
 

@Test
public void testDiagnosticAtEndOfLineIncludingNewline() {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("type");
  _builder.newLine();
  this.writeFile("MyType1.testlang", Strings.toUnixLineSeparator(_builder));
  this.initialize();
  final List<Diagnostic> problems = IterableExtensions.<Map.Entry<String, List<Diagnostic>>>head(this.getDiagnostics().entrySet()).getValue();
  String _join = IterableExtensions.join(problems, "\n");
  String _plus = ("problems found:\n" + _join);
  Assert.assertEquals(_plus, 1, problems.size());
  final Diagnostic problem = IterableExtensions.<Diagnostic>head(problems);
  this.assertEquals("mismatched input \'<EOF>\' expecting RULE_ID", problem.getMessage());
  Assert.assertEquals(org.eclipse.xtext.diagnostics.Diagnostic.SYNTAX_DIAGNOSTIC, problem.getCode().get());
  final Range range = problem.getRange();
  Assert.assertEquals(0, range.getStart().getLine());
  Assert.assertEquals(4, range.getStart().getCharacter());
  Assert.assertEquals(1, range.getEnd().getLine());
  Assert.assertEquals(0, range.getEnd().getCharacter());
}
 

public static void main(final String[] args) {
  ArrayList<Integer> result = CollectionLiterals.<Integer>newArrayList();
  IntegerRange _upTo = new IntegerRange(2, 20);
  for (final Integer i : _upTo) {
    {
      Integer j = i;
      for (final Integer k : result) {
        if ((((j).intValue() % (k).intValue()) == 0)) {
          j = Integer.valueOf(((j).intValue() / (k).intValue()));
        }
      }
      if (((j).intValue() != 1)) {
        result.add(j);
      }
    }
  }
  final Function2<Integer, Integer, Integer> _function = (Integer m1, Integer m2) -> {
    return Integer.valueOf(((m1).intValue() * (m2).intValue()));
  };
  InputOutput.<Integer>println(IterableExtensions.<Integer>reduce(result, _function));
}
 

private void assertNumberOfErrorAnnotations(final XtextEditor editor, final int expectedNumber) {
  final Function0<Boolean> _function = () -> {
    int _size = this.getErrorAnnotations(editor).size();
    return Boolean.valueOf((_size == expectedNumber));
  };
  this.helper.awaitUIUpdate(_function, DirtyStateEditorValidationTest.VALIDATION_TIMEOUT);
  final List<Annotation> errors = this.getErrorAnnotations(editor);
  final Function1<Annotation, String> _function_1 = (Annotation it) -> {
    String _text = it.getText();
    String _plus = (_text + "(");
    boolean _isPersistent = it.isPersistent();
    String _plus_1 = (_plus + Boolean.valueOf(_isPersistent));
    return (_plus_1 + ")");
  };
  Assert.assertEquals(IterableExtensions.join(ListExtensions.<Annotation, String>map(errors, _function_1), ", "), expectedNumber, errors.size());
}
 

@Test
public void testOperatorDeclaration_typeParam() {
  try {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("class A {");
    _builder.newLine();
    {
      Set<QualifiedName> _operators = this.operatorMapping.getOperators();
      for(final QualifiedName op : _operators) {
        _builder.append("\t");
        _builder.append("def <T> ");
        _builder.append(op, "\t");
        _builder.append("() { return null }");
        _builder.newLineIfNotEmpty();
      }
    }
    _builder.append("}");
    _builder.newLine();
    final XtendFile file = this._parseHelper.parse(_builder);
    Assert.assertTrue(IterableExtensions.join(file.eResource().getErrors(), "\n"), file.eResource().getErrors().isEmpty());
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

@Test
public void testInterfaceReference() {
  try {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package testPackage");
    _builder.newLine();
    _builder.append("class Bar implements Foo {");
    _builder.newLine();
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    _builder.append("interface Foo { }");
    _builder.newLine();
    final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
    XtendTypeDeclaration _head = IterableExtensions.<XtendTypeDeclaration>head(xtendFile.getXtendTypes());
    final JvmType in = IterableExtensions.<JvmTypeReference>head(((XtendClass) _head).getImplements()).getType();
    Assert.assertEquals("Foo", this.signatureProvider.getSignature(in));
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

private Map<String, EPackage> findEPackagesInGenPackages(final Collection<String> packageNsURIs, final ResourceSet resourceSet) {
  final HashMap<String, EPackage> result = CollectionLiterals.<String, EPackage>newHashMap();
  for (final String nsURI : packageNsURIs) {
    {
      final Resource resource = GenModelUtil2.getGenModelResource(null, nsURI, resourceSet);
      if ((resource != null)) {
        final GenModel loadedGenModel = IterableExtensions.<GenModel>head(Iterables.<GenModel>filter(resource.getContents(), GenModel.class));
        if ((loadedGenModel != null)) {
          final GenPackage genPackage = this.findGenPackageByNsURI(loadedGenModel, nsURI);
          result.put(nsURI, genPackage.getEcorePackage());
        }
      }
    }
  }
  return result;
}
 

@Test
public void testDiscouragedTypeUsageInnernClass() {
  try {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("class Foo {");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("def bar(org.eclipse.xtend.core.tests.internal.InternalClass$InnerInternalClass x){}");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    final XtendFile xtendFile = this.testHelper.xtendFile("Clazz.xtend", _builder.toString());
    XtendMember _head = IterableExtensions.<XtendMember>head(IterableExtensions.<XtendClass>head(Iterables.<XtendClass>filter(xtendFile.getXtendTypes(), XtendClass.class)).getMembers());
    final XtendFunction function = ((XtendFunction) _head);
    this.helper.assertWarning(function.getParameters().get(0), TypesPackage.Literals.JVM_TYPE_REFERENCE, org.eclipse.xtext.xbase.validation.IssueCodes.DISCOURAGED_REFERENCE);
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

public JavaConverter.ConversionResult converToXtend(final String unitName, final String javaCode) {
  try {
    final JavaConverter j2x = this.javaConverter.get();
    JavaConverter.ConversionResult result = j2x.toXtend(unitName, javaCode);
    int _size = IterableExtensions.size(result.getProblems());
    boolean _equals = (_size == 0);
    if (_equals) {
      try {
        this.file(result.getXtendCode(), true);
      } catch (final Throwable _t) {
        if (_t instanceof AssertionError) {
          result = j2x.useRobustSyntax().toXtend(unitName, javaCode);
        } else {
          throw Exceptions.sneakyThrow(_t);
        }
      }
    }
    return result;
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

/**
 * @since 2.18
 */
protected void mergeWithUnreportedDeltas(List<IResourceDescription.Delta> newDeltas) {
	if (unreportedDeltas.isEmpty()) {
		unreportedDeltas.addAll(newDeltas);
	} else {
		Map<URI, IResourceDescription.Delta> unreportedByUri = IterableExtensions.toMap(unreportedDeltas,
				IResourceDescription.Delta::getUri);
		for(IResourceDescription.Delta newDelta: newDeltas) {
			IResourceDescription.Delta unreportedDelta = unreportedByUri.get(newDelta.getUri());
			if (unreportedDelta == null) {
				unreportedDeltas.add(newDelta);
			} else {
				unreportedDeltas.remove(unreportedDelta);
				IResourceDescription oldDescription = unreportedDelta.getOld();
				IResourceDescription newDescription = newDelta.getNew();
				unreportedDeltas.add(new DefaultResourceDescriptionDelta(oldDescription, newDescription));
			}
		}
	}
}
 

protected Iterable<XExpression> explicitParams(final List<XExpression> params) {
  Iterable<XExpression> _xblockexpression = null;
  {
    final XClosure builder = this.builder(params);
    Iterable<XExpression> _xifexpression = null;
    if ((builder != null)) {
      int _size = params.size();
      int _minus = (_size - 1);
      _xifexpression = IterableExtensions.<XExpression>take(params, _minus);
    } else {
      _xifexpression = params;
    }
    _xblockexpression = _xifexpression;
  }
  return _xblockexpression;
}
 

protected void buildDispatchers(final JvmDeclaredType inferredType, final JvmDeclaredType baseType, final IXtendOutlineContext context) {
  final Function1<JvmOperation, Boolean> _function = (JvmOperation it) -> {
    return Boolean.valueOf(this.dispatchHelper.isDispatcherFunction(it));
  };
  Iterable<JvmOperation> _filter = IterableExtensions.<JvmOperation>filter(inferredType.getDeclaredOperations(), _function);
  for (final JvmOperation dispatcher : _filter) {
    {
      final List<JvmOperation> dispatchCases = this.getDispatchCases(dispatcher, baseType, context);
      final IXtendOutlineContext dispatcherContext = this.xtendOutlineNodeBuilder.buildDispatcherNode(baseType, dispatcher, dispatchCases, context).markAsProcessed(dispatcher);
      for (final JvmOperation dispatchCase : dispatchCases) {
        EObject _elvis = null;
        XtendFunction _xtendFunction = this._iXtendJvmAssociations.getXtendFunction(dispatchCase);
        if (_xtendFunction != null) {
          _elvis = _xtendFunction;
        } else {
          _elvis = dispatchCase;
        }
        this.buildFeature(baseType, dispatchCase, _elvis, dispatcherContext).markAsProcessed(dispatchCase);
      }
    }
  }
}
 

@Test
public void testCodeLens() {
  final Procedure1<AbstractLanguageServerTest.TestCodeLensConfiguration> _function = (AbstractLanguageServerTest.TestCodeLensConfiguration it) -> {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("type Foo {}");
    _builder.newLine();
    _builder.append("type Bar {");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("Foo foo");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    it.setModel(_builder.toString());
    final Procedure1<List<? extends CodeLens>> _function_1 = (List<? extends CodeLens> it_1) -> {
      this.assertEquals("Do Awesome Stuff(RESOLVED)", IterableExtensions.head(it_1).getCommand().getTitle());
      Object _data = IterableExtensions.head(it_1).getData();
      Assert.assertEquals(1, ((Position) _data).getLine());
    };
    it.setAssertCodeLenses(_function_1);
  };
  this.testCodeLens(_function);
}
 

@Test public void testBug_340611_02() throws Exception {
	XtendFile xtendFile = file(
			"class Bug340611 {\n" + 
			"    def dispatch foo(String string) {\n" + 
			"        string\n" + 
			"    }\n" + 
			"    def dispatch foo(CharSequence charSeq) {\n" + 
			"        charSeq\n" + 
			"    }\n" + 
			"}", false);
	
	JvmGenericType inferredType = getInferredType(xtendFile);
	assertEquals(3, IterableExtensions.size(inferredType.getDeclaredOperations()));
	
	// one main dispatch
	Iterable<JvmOperation> operations = inferredType.getDeclaredOperations();
	JvmOperation dispatch = findByNameAndFirstParameterType(operations, "foo", CharSequence.class);
	assertEquals("java.lang.CharSequence", dispatch.getReturnType().getIdentifier());

	// two internal case methods
	JvmOperation stringParam = findByNameAndFirstParameterType(operations, "_foo", String.class);
	assertEquals("java.lang.CharSequence", stringParam.getReturnType().getIdentifier());
	
	JvmOperation objectParam = findByNameAndFirstParameterType(operations, "_foo", CharSequence.class);
	assertEquals("java.lang.CharSequence", objectParam.getReturnType().getIdentifier());
}
 

public List<String> initialHiddenTokens(final Grammar it) {
  List<String> _xblockexpression = null;
  {
    boolean _isDefinesHiddenTokens = it.isDefinesHiddenTokens();
    if (_isDefinesHiddenTokens) {
      final Function1<AbstractRule, String> _function = (AbstractRule it_1) -> {
        return this.ruleName(it_1);
      };
      return IterableExtensions.<String>toList(ListExtensions.<AbstractRule, String>map(it.getHiddenTokens(), _function));
    }
    int _size = it.getUsedGrammars().size();
    boolean _equals = (_size == 1);
    if (_equals) {
      return this.initialHiddenTokens(IterableExtensions.<Grammar>head(it.getUsedGrammars()));
    }
    _xblockexpression = CollectionLiterals.<String>emptyList();
  }
  return _xblockexpression;
}
 

protected String _toExpectation(final Command it) {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("command : ");
  String _command = it.getCommand();
  _builder.append(_command);
  _builder.newLineIfNotEmpty();
  _builder.append("title : ");
  String _title = it.getTitle();
  _builder.append(_title);
  _builder.newLineIfNotEmpty();
  _builder.append("args : ");
  _builder.newLine();
  _builder.append("\t");
  final Function1<Object, CharSequence> _function = (Object it_1) -> {
    return this.toExpectation(it_1);
  };
  String _join = IterableExtensions.<Object>join(it.getArguments(), ",", _function);
  _builder.append(_join, "\t");
  _builder.newLineIfNotEmpty();
  return _builder.toString();
}
 

public static boolean isAbundant(final int input) {
  final int sqrt = Double.valueOf(Math.floor(Math.sqrt(input))).intValue();
  final Function1<Integer, Boolean> _function = (Integer div) -> {
    return Boolean.valueOf((((div).intValue() != input) && ((input % (div).intValue()) == 0)));
  };
  final Function2<Integer, Integer, Integer> _function_1 = (Integer i1, Integer i2) -> {
    int _xblockexpression = (int) 0;
    {
      final int other = (input / (i2).intValue());
      int _xifexpression = (int) 0;
      if (((other != (i2).intValue()) && (other != input))) {
        _xifexpression = (((i1).intValue() + (i2).intValue()) + other);
      } else {
        _xifexpression = ((i1).intValue() + (i2).intValue());
      }
      _xblockexpression = _xifexpression;
    }
    return Integer.valueOf(_xblockexpression);
  };
  final Integer sumOfDivisors = IterableExtensions.<Integer, Integer>fold(IterableExtensions.<Integer>filter(new IntegerRange(2, sqrt), _function), Integer.valueOf(1), _function_1);
  return ((sumOfDivisors).intValue() > input);
}
 

@Test
public void testStubGeneration_02() {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("public interface MyTest {");
  _builder.newLine();
  _builder.append("\t");
  _builder.append("public String helloWorld();");
  _builder.newLine();
  _builder.append("}");
  _builder.newLine();
  final Procedure1<IResourceDescription> _function = (IResourceDescription it) -> {
    Assert.assertEquals("MyTest", IterableExtensions.<IEObjectDescription>head(it.getExportedObjects()).getQualifiedName().toString());
    EObject _eObjectOrProxy = IterableExtensions.<IEObjectDescription>head(it.getExportedObjects()).getEObjectOrProxy();
    Assert.assertTrue(((JvmGenericType) _eObjectOrProxy).isInterface());
    Assert.assertEquals(1, IterableExtensions.size(it.getExportedObjects()));
  };
  this.resultsIn(_builder, _function);
}
 

@Check
public void checkOperationNamesAreUnique(Entity entity) {
	JvmGenericType inferredJavaClass = IterableExtensions
			.head(Iterables.filter(jvmModelAssociations.getJvmElements(entity), JvmGenericType.class));
	Multimap<String, JvmOperation> signature2Declarations = HashMultimap.create();
	overrideHelper.getResolvedFeatures(inferredJavaClass).getDeclaredOperations().forEach((it) -> {
		signature2Declarations.put(it.getResolvedErasureSignature(), it.getDeclaration());
	});
	signature2Declarations.asMap().values().forEach((jvmOperations) -> {
		if (jvmOperations.size() > 1) {
			Iterables
					.filter(IterableExtensions.map(jvmOperations,
							(op) -> jvmModelAssociations.getPrimarySourceElement(op)), Operation.class)
					.forEach((op) -> {
						error("Duplicate operation " + op.getName(), op, DomainmodelPackage.Literals.FEATURE__NAME, IssueCodes.DUPLICATE_OPERATION);
					});
		}
	});
}
 

public boolean hasValidSignature(final MethodDeclaration it) {
  boolean _switchResult = false;
  final Function1<ParameterDeclaration, TypeReference> _function = (ParameterDeclaration it_1) -> {
    return it_1.getType();
  };
  List<TypeReference> _list = IterableExtensions.<TypeReference>toList(IterableExtensions.map(it.getParameters(), _function));
  boolean _matched = false;
  if (Objects.equal(_list, Collections.<Object>unmodifiableList(CollectionLiterals.<Object>newArrayList()))) {
    _matched=true;
  }
  if (!_matched) {
    TypeReference _string = this.context.getString();
    if (Objects.equal(_list, Collections.<TypeReference>unmodifiableList(CollectionLiterals.<TypeReference>newArrayList(_string)))) {
      _matched=true;
    }
  }
  if (!_matched) {
    TypeReference _string_1 = this.context.getString();
    TypeReference _newArrayTypeReference = this.context.newArrayTypeReference(this.context.newTypeReference(Class.class, this.context.newWildcardTypeReference()));
    TypeReference _newArrayTypeReference_1 = this.context.newArrayTypeReference(this.context.getObject());
    if (Objects.equal(_list, Collections.<TypeReference>unmodifiableList(CollectionLiterals.<TypeReference>newArrayList(_string_1, _newArrayTypeReference, _newArrayTypeReference_1)))) {
      _matched=true;
    }
  }
  if (_matched) {
    _switchResult = true;
  }
  if (!_matched) {
    boolean _xblockexpression = false;
    {
      this.context.addError(it, "Not a valid delegate signature, use () or (String methodName) or (String methodName, Class<?>[] argumentTypes, Object[] arguments)");
      _xblockexpression = false;
    }
    _switchResult = _xblockexpression;
  }
  return _switchResult;
}
 

public FieldDeclaration findDeclaredField(final String name) {
  final Function1<FieldDeclaration, Boolean> _function = (FieldDeclaration field) -> {
    String _simpleName = field.getSimpleName();
    return Boolean.valueOf(Objects.equal(_simpleName, name));
  };
  return IterableExtensions.findFirst(this.getDeclaredFields(), _function);
}
 

/**
 * @since 2.14
 */
protected List<AbstractRule> getDeprecatedRulesFromGrammar() {
  final HashSet<EClassifier> alreadyCollected = CollectionLiterals.<EClassifier>newHashSet();
  final Function1<AbstractRule, Boolean> _function = (AbstractRule it) -> {
    return Boolean.valueOf((this.isDeprecated(it) && alreadyCollected.add(it.getType().getClassifier())));
  };
  return IterableExtensions.<AbstractRule>toList(IterableExtensions.<AbstractRule>filter(this.getGrammar().getRules(), _function));
}
 

@Override
public CompilationResult compile(Iterable<String> sourceRoots, File outputClassDirectory) {
	Iterable<String> validSourceRoots = IterableExtensions.filter(sourceRoots, new EmptyOrMissingFilter());
	if (!containsJavaFiles(validSourceRoots)) {
		return CompilationResult.SKIPPED;
	}
	List<String> commandLine = Lists.newArrayList();
	if (configuration.isVerbose()) {
		commandLine.add("-verbose");
	}
	if (configuration.isSkipAnnotationProcessing()) {
		commandLine.add("-proc:none");
	}
	if (configuration.isPreserveInformationAboutFormalParameters()) {
		commandLine.add("-parameters");
	}
	if (classPath != null) {
		Iterable<String> validClasspath = IterableExtensions.filter(classPath, new EmptyOrMissingFilter());
		if (validClasspath.iterator().hasNext()) {
			commandLine.add("-cp \"" + concat(File.pathSeparator, Lists.newArrayList(validClasspath)) + "\"");
		}
	}
	commandLine.add("-d \"" + outputClassDirectory.toString() + "\"");
	commandLine.add("-source " + configuration.getSourceLevel());
	commandLine.add("-target " + configuration.getTargetLevel());
	commandLine.add("-proceedOnError");
	for (String src : validSourceRoots) {
		commandLine.add("\"" + src + "\"");
	}
	String cmdLine = concat(" ", commandLine);
	debugLog("invoke batch compiler with '" + cmdLine + "'");
	boolean result = BatchCompiler.compile(cmdLine, new PrintWriter(getOutputWriter()), new PrintWriter(
			getErrorWriter()), null);
	return result ? CompilationResult.SUCCEEDED : CompilationResult.FAILED;
}
 

/**
 * Create a clone of the original grammar. The clone will not refer to a node model.
 */
private Grammar cloneGrammarIntoNewResourceSet(final Grammar original) {
  final Resource originalResource = original.eResource();
  XtextResourceSet _xtextResourceSet = new XtextResourceSet();
  final XtextResourceSet clonedResourceSet = EcoreUtil2.<XtextResourceSet>clone(_xtextResourceSet, originalResource.getResourceSet());
  final Resource clonedResource = clonedResourceSet.getResource(originalResource.getURI(), false);
  EObject _head = IterableExtensions.<EObject>head(clonedResource.getContents());
  return ((Grammar) _head);
}
 

@Test
public void testActiveAnnotatons2() {
  this.batchCompiler.setSourcePath("./batch-compiler-data/activeAnnotations2");
  Assert.assertTrue(this.batchCompiler.compile());
  final FilenameFilter _function = (File dir, String name) -> {
    return name.endsWith(".java");
  };
  final String javaFiles = IterableExtensions.join(((Iterable<?>)Conversions.doWrapArray(new File((TestBatchCompiler.OUTPUT_DIRECTORY + "/mypackage")).list(_function))), ",");
  Assert.assertEquals("Client.java", javaFiles);
  final File txtFile = new File((TestBatchCompiler.OUTPUT_DIRECTORY + "/Test.txt"));
  Assert.assertTrue(txtFile.exists());
}
 

private void addTypeCastToExplicitReceiver(XAbstractFeatureCall featureCall, IModificationContext context,
		JvmType declaringType, EReference structuralFeature) throws BadLocationException {
	List<INode> nodes = NodeModelUtils.findNodesForFeature(featureCall, structuralFeature);
	if (nodes.isEmpty())
		return;
	INode firstNode = IterableExtensions.head(nodes);
	INode lastNode = IterableExtensions.last(nodes);
	int offset = firstNode.getOffset();
	int length = lastNode.getEndOffset() - offset;
	ReplacingAppendable appendable = appendableFactory.create(context.getXtextDocument(),
			(XtextResource) featureCall.eResource(), offset, length);
	appendable.append("(");
	ListIterator<INode> nodeIter = nodes.listIterator();
	while (nodeIter.hasNext()) {
		String text = nodeIter.next().getText();
		if (nodeIter.previousIndex() == 0)
			appendable.append(Strings.removeLeadingWhitespace(text));
		else if (nodeIter.nextIndex() == nodes.size())
			appendable.append(Strings.trimTrailingLineBreak(text));
		else
			appendable.append(text);
	}
	appendable.append(" as ");
	appendable.append(declaringType);
	appendable.append(")");
	appendable.commitChanges();
}
 

private String issuesToSortedString(Iterable<String> issues, String indent) {
	if (Iterables.isEmpty(issues)) {
		return indent + "<none>";
	}
	return IterableExtensions.sort(issues).stream()
			.map(issue -> issue.replace("\n", "\n" + indent))
			.collect(Collectors.joining("\n" + indent));
}
 

public List<ISemanticSequencerNfaProvider.ISemState> getLinearListOfMandatoryAssignments(final IGrammarConstraintProvider.IConstraint constraint) {
  final Nfa<ISemanticSequencerNfaProvider.ISemState> nfa = constraint.getNfa();
  ISemanticSequencerNfaProvider.ISemState state = nfa.getStart();
  final List<ISemanticSequencerNfaProvider.ISemState> result = CollectionLiterals.<ISemanticSequencerNfaProvider.ISemState>newArrayList();
  final Set<EStructuralFeature> features = CollectionLiterals.<EStructuralFeature>newHashSet();
  while ((state != null)) {
    {
      ISemanticSequencerNfaProvider.ISemState _stop = nfa.getStop();
      boolean _tripleEquals = (state == _stop);
      if (_tripleEquals) {
        List<ISemanticSequencerNfaProvider.ISemState> _xifexpression = null;
        boolean _isEmpty = result.isEmpty();
        if (_isEmpty) {
          _xifexpression = null;
        } else {
          _xifexpression = result;
        }
        return _xifexpression;
      }
      int _size = state.getFollowers().size();
      boolean _tripleNotEquals = (_size != 1);
      if (_tripleNotEquals) {
        return null;
      }
      ISemanticSequencerNfaProvider.ISemState _start = nfa.getStart();
      boolean _tripleNotEquals_1 = (state != _start);
      if (_tripleNotEquals_1) {
        final EStructuralFeature feature = state.getFeature();
        if ((((feature == null) || feature.isMany()) || (!features.add(feature)))) {
          return null;
        }
        result.add(state);
      }
      state = IterableExtensions.<ISemanticSequencerNfaProvider.ISemState>head(state.getFollowers());
    }
  }
  return null;
}
 

@Before
public void setUp() {
  try {
    WorkspaceConfig _workspaceConfig = new WorkspaceConfig();
    this.workspaceConfig = _workspaceConfig;
    ProjectConfig _projectConfig = new ProjectConfig("foo", this.workspaceConfig);
    this.fooProject = _projectConfig;
    ProjectConfig _projectConfig_1 = new ProjectConfig("bar", this.workspaceConfig);
    this.barProject = _projectConfig_1;
    final XtextResourceSet rs0 = this.resourceSetProvider.get();
    this.fooURI = IterableExtensions.<SourceFolder>head(this.fooProject.getSourceFolders()).getPath().trimSegments(1).appendSegment("foo.livecontainertestlanguage");
    this.barURI = IterableExtensions.<SourceFolder>head(this.barProject.getSourceFolders()).getPath().trimSegments(1).appendSegment("bar.livecontainertestlanguage");
    ResourceDescriptionsData _createResourceDescriptionData = this.createResourceDescriptionData(this._parseHelper.parse("foo", this.fooURI, rs0).eResource());
    Pair<String, ResourceDescriptionsData> _mappedTo = Pair.<String, ResourceDescriptionsData>of("foo", _createResourceDescriptionData);
    ResourceDescriptionsData _createResourceDescriptionData_1 = this.createResourceDescriptionData(this._parseHelper.parse("bar", this.barURI, rs0).eResource());
    Pair<String, ResourceDescriptionsData> _mappedTo_1 = Pair.<String, ResourceDescriptionsData>of("bar", _createResourceDescriptionData_1);
    final Map<String, ResourceDescriptionsData> chunks = Collections.<String, ResourceDescriptionsData>unmodifiableMap(CollectionLiterals.<String, ResourceDescriptionsData>newHashMap(_mappedTo, _mappedTo_1));
    this.rs1 = this.resourceSetProvider.get();
    new ChunkedResourceDescriptions(chunks, this.rs1);
    ProjectConfigAdapter.install(this.rs1, this.fooProject);
    this.liveShadowedChunkedResourceDescriptions = this.provider.get();
    this.liveShadowedChunkedResourceDescriptions.setContext(this.rs1);
    LiveShadowedChunkedContainer _liveShadowedChunkedContainer = new LiveShadowedChunkedContainer(this.liveShadowedChunkedResourceDescriptions, "foo");
    this.fooContainer = _liveShadowedChunkedContainer;
    LiveShadowedChunkedContainer _liveShadowedChunkedContainer_1 = new LiveShadowedChunkedContainer(this.liveShadowedChunkedResourceDescriptions, "bar");
    this.barContainer = _liveShadowedChunkedContainer_1;
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}