org.eclipse.xtext.common.types.access.TypeResource Java Examples

The following examples show how to use org.eclipse.xtext.common.types.access.TypeResource. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: RawResolvedFeatures.java From xtext-extras with Eclipse Public License 2.0

6 votes

/**
 * Registers the given listener to be notified on type changes, if (and only if) the type
 * if expected to be changeable.
 * 
 * @see IMirrorExtension#isSealed()
 */
protected static void requestNotificationOnChange(JvmType type, Runnable listener) {
	Resource resource = type.eResource();
	if (resource instanceof TypeResource) {
		IMirror mirror = ((TypeResource) resource).getMirror();
		if (mirror instanceof IMirrorExtension) {
			if (((IMirrorExtension) mirror).isSealed())
				return;
		}
	}
	Notifier notifier = type;
	if (resource != null) {
		if (resource.getResourceSet() != null)
			notifier = resource.getResourceSet();
		else
			notifier = resource;
	}
	JvmTypeChangeDispatcher dispatcher = JvmTypeChangeDispatcher.findResourceChangeDispatcher(notifier);
	dispatcher.requestNotificationOnChange(type, listener);
}

Example #2

Source File: JdtBasedTypeFactory.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

/**
 * @since 2.7
 */
@Override
public JvmDeclaredType createType(IType type, TypeResource resource, Map<?, ?> options) {
	if (resource == null) {
		return createType(type);
	}
	if (options != null) {
		IJavaProject javaProject = (IJavaProject) options.get(TypeResource.OPTION_CLASSPATH_CONTEXT);
		if (javaProject != null) {
			return createType(type, javaProject);
		}
	}
	ResourceSet resourceSet = resource.getResourceSet();
	if (resourceSet instanceof XtextResourceSet) {
		Object project = ((XtextResourceSet) resourceSet).getClasspathURIContext();
		if (project instanceof IJavaProject) {
			return createType(type, (IJavaProject) project);
		}
	}
	return createType(type);
}

Example #3

Source File: JdtTypeMirror.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

/**
 * @since 2.7
 */
@Override
public void initialize(TypeResource typeResource, Map<?, ?> options) {
	try {
		if (typeFactory instanceof ITypeFactory.OptionsAware<?, ?>) {
			JvmDeclaredType jvmType = ((ITypeFactory.OptionsAware<IType, JvmDeclaredType>) typeFactory).createType(mirroredType, typeResource, options);
			typeResource.getContents().add(jvmType);
		} else {
			typeResource.getContents().add(typeFactory.createType(mirroredType));
		}
	} catch (RuntimeException e) {
		if (typeResourceServices != null) {
			typeResourceServices.getOperationCanceledManager().propagateAsErrorIfCancelException(e);
		}
		LOG.error("Error initializing type "+typeResource.getURI(), e);
		throw e;
	}
	this.typeResource = typeResource;
}

Example #4

Source File: JdtTypeProvider.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

private JvmType findTypeBySignature(String signature, TypeResource resource, boolean traverseNestedTypes) {
	// TODO: Maybe iterate the resource without computing a fragment
	String fragment = typeUriHelper.getFragment(signature);
	JvmType result = (JvmType) resource.getEObject(fragment);
	if (result != null || !traverseNestedTypes)
		return result;
	List<EObject> contents = resource.getContents();
	if (contents.isEmpty()) {
		return null;
	}
	String rootTypeName = resource.getURI().segment(1);
	String nestedTypeName = fragment.substring(rootTypeName.length() + 1);
	List<String> segments = Strings.split(nestedTypeName, "$");
	EObject rootType = contents.get(0);
	if (rootType instanceof JvmDeclaredType) {
		result = findNestedType((JvmDeclaredType) rootType, segments, 0);
	}
	return result;
}

Example #5

Source File: ClasspathTypeProvider.java From xtext-extras with Eclipse Public License 2.0

6 votes

private JvmType findTypeByClass(BinaryClass clazz) {
	try {
		IndexedJvmTypeAccess indexedJvmTypeAccess = getIndexedJvmTypeAccess();
		URI resourceURI = clazz.getResourceURI();
		if (indexedJvmTypeAccess != null) {
			URI proxyURI = resourceURI.appendFragment(clazz.getURIFragment());
			EObject candidate = indexedJvmTypeAccess.getIndexedJvmType(proxyURI, getResourceSet());
			if (candidate instanceof JvmType)
				return (JvmType) candidate;
		}
		TypeResource result = (TypeResource) getResourceSet().getResource(resourceURI, true);
		return findTypeByClass(clazz, result);
	} catch(UnknownNestedTypeException e) {
		return null;
	}
}

Example #6

Source File: JdtTypeProvider.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

private boolean canLink(JvmType type) {
	Resource resource = type.eResource();
	if (resource instanceof TypeResource) {
		IMirror mirror = ((TypeResource) resource).getMirror();
		if (mirror instanceof JdtTypeMirror) {
			try {
				return canLink(((JdtTypeMirror) mirror).getMirroredType());
			} catch (JavaModelException e) {
				return false;
			}
		} else {
			return true;
		}
	}
	URI resourceURI = resource.getURI();
	if (resourceURI.isPlatformResource() && resourceURI.segment(1).equals(javaProject.getProject().getName())) {
		IndexedJvmTypeAccess indexedJvmTypeAccess = this.getIndexedJvmTypeAccess();
		if (indexedJvmTypeAccess != null && indexedJvmTypeAccess.isIndexingPhase(getResourceSet())) {
			return false;
		}
	}
	return true;
}

Example #7

Source File: JvmDeclaredTypeImplCustom.java From xtext-extras with Eclipse Public License 2.0

6 votes

protected void requestNotificationOnChange(Runnable listener) {
	Resource resource = eResource();
	if (resource instanceof TypeResource) {
		IMirror mirror = ((TypeResource) resource).getMirror();
		if (mirror instanceof IMirrorExtension) {
			if (((IMirrorExtension) mirror).isSealed())
				return;
		}
	}
	Notifier notifier = this;
	if (resource != null) {
		if (resource.getResourceSet() != null)
			notifier = resource.getResourceSet();
		else
			notifier = resource;
	}
	JvmTypeChangeDispatcher dispatcher = JvmTypeChangeDispatcher.findResourceChangeDispatcher(notifier);
	dispatcher.requestNotificationOnChange(this, listener);
}

Example #8

Source File: AbstractJvmTypeProvider.java From xtext-extras with Eclipse Public License 2.0

5 votes

@Override
public TypeResource createResource(URI uri) {
	TypeResource result = doCreateResource(uri);
	final IMirror createMirror = createMirror(uri);
	if (createMirror !=  null) 
		result.setMirror(createMirror);
	return result;
}

Example #9

Source File: ConstantExpressionsInterpreter.java From xtext-xtend with Eclipse Public License 2.0

5 votes

protected Object evaluateField(final XAbstractFeatureCall call, final JvmField field, final Context context) {
  if ((field.isSetConstant() || (field.eResource() instanceof TypeResource))) {
    boolean _isConstant = field.isConstant();
    if (_isConstant) {
      return field.getConstantValue();
    } else {
      String _simpleName = field.getDeclaringType().getSimpleName();
      String _plus = ("Field " + _simpleName);
      String _plus_1 = (_plus + ".");
      String _simpleName_1 = field.getSimpleName();
      String _plus_2 = (_plus_1 + _simpleName_1);
      String _plus_3 = (_plus_2 + " is not a constant");
      throw new ConstantExpressionEvaluationException(_plus_3);
    }
  }
  final XExpression expression = this.containerProvider.getAssociatedExpression(field);
  boolean _contains = context.getAlreadyEvaluating().contains(expression);
  if (_contains) {
    throw new ConstantExpressionEvaluationException("Endless recursive evaluation detected.");
  }
  try {
    final Map<String, JvmIdentifiableElement> visibleFeatures = this.findVisibleFeatures(expression);
    JvmTypeReference _type = field.getType();
    ClassFinder _classFinder = context.getClassFinder();
    Set<XExpression> _alreadyEvaluating = context.getAlreadyEvaluating();
    final Context ctx = new Context(_type, _classFinder, visibleFeatures, _alreadyEvaluating);
    return this.evaluate(expression, ctx);
  } catch (final Throwable _t) {
    if (_t instanceof ConstantExpressionEvaluationException) {
      final ConstantExpressionEvaluationException e = (ConstantExpressionEvaluationException)_t;
      throw new StackedConstantExpressionEvaluationException(call, field, e);
    } else {
      throw Exceptions.sneakyThrow(_t);
    }
  }
}

Example #10

Source File: ClasspathTypeProvider.java From xtext-extras with Eclipse Public License 2.0

5 votes

@Override
public TypeResource createResource(URI uri) {
	String qualifiedName = uri.lastSegment();
	if (qualifiedName.lastIndexOf('$') != -1) {
		String outermostClassName = new BinaryClass(qualifiedName, classLoader).getOutermostClassName();
		return super.createResource(URIHelperConstants.OBJECTS_URI.appendSegment(outermostClassName));
	}
	return super.createResource(uri);
}

Example #11

Source File: JvmDeclaredTypeSignatureHashProvider.java From xtext-extras with Eclipse Public License 2.0

5 votes

public String getHash(final JvmDeclaredType type) {
	if(type.eResource() instanceof TypeResource) {
		IMirror mirror = ((TypeResource)type.eResource()).getMirror();
		if(mirror instanceof IMirrorExtension && ((IMirrorExtension) mirror).isSealed())
			return type.getIdentifier();
	}
	return cache.get(Tuples.create(HASH_CACHE_KEY, type), type.eResource(), new Provider<String>() {
		@Override
		public String get() {
			return signatureBuilderProvider.get().appendSignature(type).hash();
		}
	});
}

Example #12