org.eclipse.xtext.parser.antlr.IReferableElementsUnloader Java Examples

@Override
protected void configure() {
	bind(Resource.Factory.class).to(JavaResource.Factory.class);
	bind(IResourceValidator.class).toInstance(IResourceValidator.NULL);
	bind(IGenerator.class).to(IGenerator.NullGenerator.class);
	bind(IEncodingProvider.class).to(IEncodingProvider.Runtime.class);
	bind(IResourceServiceProvider.class).to(JavaResourceServiceProvider.class);
	bind(IContainer.Manager.class).to(SimpleResourceDescriptionsBasedContainerManager.class);
	bind(IResourceDescription.Manager.class).to(JavaResourceDescriptionManager.class);
	bind(IQualifiedNameProvider.class).to(JvmIdentifiableQualifiedNameProvider.class);
	bind(String.class).annotatedWith(Names.named(Constants.FILE_EXTENSIONS)).toInstance("java");
	bind(String.class).annotatedWith(Names.named(Constants.LANGUAGE_NAME))
			.toInstance("org.eclipse.xtext.java.Java");
	bind(IJvmTypeProvider.Factory.class).to(ClasspathTypeProviderFactory.class);
	bind(ClassLoader.class).toInstance(JavaSourceLanguageRuntimeModule.class.getClassLoader());
	bind(IReferableElementsUnloader.class).to(IReferableElementsUnloader.GenericUnloader.class);
	bind(IResourceDescriptionsProvider.class)
			.toInstance((ResourceSet rs) -> ChunkedResourceDescriptions.findInEmfObject(rs));
}
 

protected void replaceAndReparse(String model, int offset, int length, String change, String expectedReparseRegion)
		throws Exception {
	IParseResult parseResult = getParseResult(model);
	PartialParsingPointers parsingPointers = getPartialParser().calculatePartialParsingPointers(parseResult, offset,
			length);
	String reparseRegion = getPartialParser().insertChangeIntoReplaceRegion(parsingPointers
			.getDefaultReplaceRootNode(), new ReplaceRegion(offset, length, change));
	assertEquals(expectedReparseRegion, reparseRegion);
	final Wrapper<Boolean> unloaded = Wrapper.wrap(Boolean.FALSE);
	getPartialParser().setUnloader(new IReferableElementsUnloader() {
		@Override
		public void unloadRoot(EObject root) {
			unloaded.set(Boolean.TRUE);
		}
	});
	IParseResult partiallyReparse = reparse(parseResult, offset, length, change);
	assertTrue("unloaded", unloaded.get());
	assertFalse(partiallyReparse.getRootNode().getText(), partiallyReparse.hasSyntaxErrors());
	String expectedReparseModel = model.substring(0, offset) + change + model.substring(offset + length);
	assertEquals(expectedReparseModel, partiallyReparse.getRootNode().getText());
}
 

protected void replaceAndReparse(String model, int offset, int length, String inserted, boolean expectSameRoot) throws Exception {
	final XtextResource resource = getResourceFromString(model);
	resource.setUnloader(new IReferableElementsUnloader() {
		@Override
		public void unloadRoot(EObject root) {
			InternalEObject internalEObject = (InternalEObject) root;
			internalEObject.eSetProxyURI(resource.getURI().appendFragment(resource.getURIFragment(internalEObject)));
		    internalEObject.eAdapters().clear();
		}});
	assertEquals(1, resource.getContents().size());
	EObject wasObject = resource.getContents().get(0);
	assertNotNull(wasObject.eContainer());
	assertNotSame(wasObject.eResource(), wasObject.eContainer().eResource());
	resource.update(offset, length, inserted);
	assertEquals(1, resource.getContents().size());
	EObject newRoot = resource.getContents().get(0);
	assertEquals(expectSameRoot, wasObject == newRoot);
	if (!expectSameRoot) {
		assertTrue(((InternalEObject)wasObject).eIsProxy());
		assertNotSame(resource, wasObject.eResource());
	}
	assertSame(resource, newRoot.eResource());
}
 

protected void replaceAndReparse(String model, int offset, int length, String change, String expectedReparseRegion)
		throws Exception {
	IParseResult parseResult = getParseResultAndExpect(model, UNKNOWN_EXPECTATION);
	PartialParsingPointers parsingPointers = getPartialParser().calculatePartialParsingPointers(parseResult, offset,
			length);
	String reparseRegion = getPartialParser().insertChangeIntoReplaceRegion(parsingPointers
			.getDefaultReplaceRootNode(), new ReplaceRegion(offset, length, change));
	assertEquals(expectedReparseRegion, reparseRegion);
	final Wrapper<Boolean> unloaded = Wrapper.wrap(Boolean.FALSE);
	getPartialParser().setUnloader(new IReferableElementsUnloader() {
		@Override
		public void unloadRoot(EObject root) {
			unloaded.set(Boolean.TRUE);
		}
	});
	IParseResult partiallyReparse = reparse(parseResult, offset, length, change);
	assertTrue("unloaded", unloaded.get());
	String expectedReparseModel = model.substring(0, offset) + change + model.substring(offset + length);
	assertEquals(expectedReparseModel, partiallyReparse.getRootNode().getText());
	
	compareWithFullParse(model, offset, length, change);
}
 

@Test public void testUnloadReferables() throws Exception {
	resource.reparse(simpleModel);
	final Wrapper<Boolean> unloaded = Wrapper.wrap(Boolean.FALSE);
	resource.setUnloader(new IReferableElementsUnloader() {
		@Override
		public void unloadRoot(EObject root) {
			unloaded.set(Boolean.TRUE);
		}
	});
	resource.reparse(simpleModel);
	assertTrue("unloaded", unloaded.get());
}
 

public void setUnloader(IReferableElementsUnloader unloader) {
	this.unloader = unloader;
}
 

public IReferableElementsUnloader getUnloader() {
	return unloader;
}
 

public void setUnloader(IReferableElementsUnloader unloader) {
	this.unloader = unloader;
}
 

public IReferableElementsUnloader getUnloader() {
	return unloader;
}
 

public void setUnloader(IReferableElementsUnloader unloader) {
	this.unloader = unloader;
}
 

public IReferableElementsUnloader getUnloader() {
	return unloader;
}
 

public Class<? extends IReferableElementsUnloader> bindIReferableElementsUnloader() {
	return XtextReferableElementsUnloader.class;
}
 

public void setUnloader(final IReferableElementsUnloader unloader) {
  this.unloader = unloader;
}
 

public IReferableElementsUnloader getUnloader() {
  return unloader;
}
 

/**
 * Unloads type model instances.
 *
 * @return Class<{@link N4JSUnloader}>
 */
public Class<? extends IReferableElementsUnloader> bindIReferableElementsUnloader() {
	return N4JSUnloader.class;
}