Java Code Examples for org.eclipse.xtext.resource.XtextResource#update()

The following examples show how to use org.eclipse.xtext.resource.XtextResource#update() . 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: PartialParserTest.java From xtext-core with Eclipse Public License 2.0

6 votes

@Test public void testPartialParseConcreteRuleFirstToken_01() throws Exception {
	with(PartialParserTestLanguageStandaloneSetup.class);
	String model = "container c1 {\n" +
			"  children {\n" +
			"    -> C ( ch1 )\n" +
			"  }" +
			"}";
	XtextResource resource = getResourceFromString(model);
	assertTrue(resource.getErrors().isEmpty());
	ICompositeNode root = resource.getParseResult().getRootNode();
	ILeafNode children = findLeafNodeByText(root, model, "children");
	resource.update(model.indexOf("n {") + 2, 1, "{");
	resource.update(model.indexOf("n {") + 2, 1, "{");
	assertSame(root, resource.getParseResult().getRootNode());
	assertSame(children, findLeafNodeByText(root, model, "children"));
}

Example 2

Source File: AbstractPartialParserCrossContainmentTest.java From xtext-core with Eclipse Public License 2.0

6 votes

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());
}

Example 3

Source File: PartialParserTest.java From xtext-core with Eclipse Public License 2.0

6 votes

@Test public void testPartialParseConcreteRuleInnermostToken_01() throws Exception {
	with(PartialParserTestLanguageStandaloneSetup.class);
	String model = 
			"container c1 {\n" +
			"  children {\n" +
			"    -> C ( ch1 )\n" +
			"  }" +
			"}";
	XtextResource resource = getResourceFromString(model);
	assertTrue(resource.getErrors().isEmpty());
	ICompositeNode root = resource.getParseResult().getRootNode();
	ILeafNode childrenLeaf = findLeafNodeByText(root, model, "children");
	ILeafNode ch1Leaf = findLeafNodeByText(root, model, "ch1");
	resource.update(model.indexOf("ch1") + 1, 1, "h");
	resource.update(model.indexOf("ch1") + 1, 1, "h");
	assertSame(root, resource.getParseResult().getRootNode());
	assertSame(childrenLeaf, findLeafNodeByText(root, model, "children"));
	assertSame(ch1Leaf, findLeafNodeByText(root, model, "ch1"));
}

Example 4

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

6 votes

@Test 
public void testAllGrammarElementsUniqueAfterReparse() throws Exception {
	String text = "class Foo { def m() { newArrayList() } }";
	XtendClass clazz = clazz(text);
	XtextResource resource = (XtextResource) clazz.eResource();
	resource.update(text.indexOf('m'), 0, "m");
	ICompositeNode root = resource.getParseResult().getRootNode();
	assertSame(root, root.getRootNode());
	Set<EObject> grammarElements = Sets.newHashSet();
	for(INode node: root.getAsTreeIterable()) {
		if (node instanceof ICompositeNode) {
			if (node.getGrammarElement() == null) {
				fail("node without grammar element");
			}
			if (!grammarElements.add(node.getGrammarElement())) {
				fail(node.getGrammarElement().toString());
			}
		}
	}
}

Example 5

Source File: ModelRepositoryImpl.java From smarthome with Eclipse Public License 2.0

6 votes

@Override
public void reloadAllModelsOfType(final String modelType) {
    synchronized (resourceSet) {
        // Make a copy to avoid ConcurrentModificationException
        List<Resource> resourceListCopy = new ArrayList<Resource>(resourceSet.getResources());
        for (Resource resource : resourceListCopy) {
            if (resource != null && resource.getURI().lastSegment().contains(".") && resource.isLoaded()) {
                if (modelType.equalsIgnoreCase(resource.getURI().fileExtension())) {
                    XtextResource xtextResource = (XtextResource) resource;
                    // It's not sufficient to discard the derived state.
                    // The quick & dirts solution is to reparse the whole resource.
                    // We trigger this by dummy updating the resource.
                    logger.debug("Refreshing resource '{}'", resource.getURI().lastSegment());
                    xtextResource.update(1, 0, "");
                    notifyListeners(resource.getURI().lastSegment(), EventType.MODIFIED);
                }
            }
        }
    }
}

Example 6

Source File: Bug419429Test.java From xtext-core with Eclipse Public License 2.0

6 votes

protected void compareWithFullParse(String model, int offset, int length, String newText) throws Exception {
	XtextResource resource = getResourceFromStringAndExpect(model, UNKNOWN_EXPECTATION);
	resource.update(offset, length, newText);
	String text = resource.getParseResult().getRootNode().getText();
	XtextResource newResource = getResourceFromStringAndExpect(text, UNKNOWN_EXPECTATION);
	assertEquals(text, resource.getContents().size(), newResource.getContents().size());
	EcoreUtil.resolveAll(resource);
	EcoreUtil.resolveAll(newResource);
	for(int i = 0; i < resource.getContents().size(); i++) {
		assertEquals(text, EmfFormatter.objToStr(newResource.getContents().get(i)), EmfFormatter.objToStr(resource.getContents().get(i)));
	}
	
	ICompositeNode rootNode = resource.getParseResult().getRootNode();
	ICompositeNode newRootNode = newResource.getParseResult().getRootNode();
	Iterator<INode> iterator = rootNode.getAsTreeIterable().iterator();
	Iterator<INode> newIterator = newRootNode.getAsTreeIterable().iterator();
	while(iterator.hasNext()) {
		assertTrue(newIterator.hasNext());
		assertEqualNodes(text, iterator.next(), newIterator.next());
	}
	assertFalse(iterator.hasNext());
	assertFalse(newIterator.hasNext());
}

Example 7

Source File: OffsetInformationTest.java From xtext-core with Eclipse Public License 2.0

6 votes

@Test public void testCheckParsing() throws Exception {
	String string = "spielplatz 34 'holla' {\n"
		+ "  kind (Horst 3)\n"
		+ "  erwachsener (Julia 45)\n"
		+ "  erwachsener (Herrmann 50)\n" 
		+ "  erwachsener (Herrmann 50)\n" 
		+ "  erwachsener (Herrmann 50)\n" 
		+ "  erwachsener (Herrmann 50)\n" 
		+ "  erwachsener (Herrmann 50)\n" 
		+ "}";
	XtextResource resource = getResource(new StringInputStream(string));
	ICompositeNode rootNode = resource.getParseResult().getRootNode();
	
	for (int i=0;i<string.length()/2;i++) {
		String substring = string.substring(i, string.length()-i);
		resource.update(i, substring.length(), substring);
		ICompositeNode model = resource.getParseResult().getRootNode();
		new InvariantChecker().checkInvariant(model);
		assertSameStructure(rootNode, model);
	}
	
}

Example 8

Source File: PartialParserTest.java From xtext-core with Eclipse Public License 2.0

6 votes

@Test public void testPartialParseConcreteRuleFirstInnerToken_02() throws Exception {
	with(PartialParserTestLanguageStandaloneSetup.class);
	String model = "container c1 {\n" +
			"  children {\n" +
			"    -> C ( ch1 )\n" +
			"  }" +
			"}";
	XtextResource resource = getResourceFromString(model);
	assertTrue(resource.getErrors().isEmpty());
	ICompositeNode root = resource.getParseResult().getRootNode();
	ILeafNode childrenLeaf = findLeafNodeByText(root, model, "children");
	ILeafNode arrowLeaf = findLeafNodeByText(root, model, "->");
	// change the model and undo the change
	resource.update(model.indexOf("->"), 2, "-> ");
	resource.update(model.indexOf("->"), 3, "->");
	assertSame(root, resource.getParseResult().getRootNode());
	assertSame(childrenLeaf, findLeafNodeByText(root, model, "children"));
	assertNotSame(arrowLeaf, findLeafNodeByText(root, model, "->"));
}

Example 9

Source File: ModelRepositoryImpl.java From openhab-core with Eclipse Public License 2.0

6 votes

@Override
public void reloadAllModelsOfType(final String modelType) {
    synchronized (resourceSet) {
        // Make a copy to avoid ConcurrentModificationException
        List<Resource> resourceListCopy = new ArrayList<>(resourceSet.getResources());
        for (Resource resource : resourceListCopy) {
            if (resource.getURI().lastSegment().contains(".") && resource.isLoaded()
                    && modelType.equalsIgnoreCase(resource.getURI().fileExtension())
                    && !resource.getURI().lastSegment().startsWith("tmp_")) {
                XtextResource xtextResource = (XtextResource) resource;
                // It's not sufficient to discard the derived state.
                // The quick & dirts solution is to reparse the whole resource.
                // We trigger this by dummy updating the resource.
                logger.debug("Refreshing resource '{}'", resource.getURI().lastSegment());
                xtextResource.update(1, 0, "");
                notifyListeners(resource.getURI().lastSegment(), EventType.MODIFIED);
            }
        }
    }
}

Example 10

Source File: LinkingWarningsTest.java From xtext-core with Eclipse Public License 2.0

5 votes

@Test public void testFixedLinkingProblem() throws Exception {
	String modelAsText = "type A extends B \n type B extends C";
	XtextResource resource = getResourceFromStringAndExpect(modelAsText, 0);
	assertTrue(resource.getErrors().isEmpty());
	assertEquals(1, resource.getWarnings().size());

	resource.update(modelAsText.indexOf('C'), 1, "A");
	
	assertTrue(resource.getErrors().isEmpty());
	assertTrue(resource.getWarnings().isEmpty());
}

Example 11

Source File: XtextLinkerTest.java From xtext-core with Eclipse Public License 2.0

5 votes

@Test
public void testExplicitRuleCallsAreTracked() throws Exception {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
  _builder.newLine();
  _builder.append("generate test \'http://test\'");
  _builder.newLine();
  _builder.append("Rule: name=super::ID name=ID;");
  _builder.newLine();
  _builder.append("terminal ID: super;");
  _builder.newLine();
  _builder.append("terminal _super: \'s\';");
  _builder.newLine();
  final String grammarAsString = _builder.toString();
  final XtextResource resource = this.getResourceFromString(grammarAsString);
  EObject _get = resource.getContents().get(0);
  Grammar grammar = ((Grammar) _get);
  final AbstractRule firstRule = IterableExtensions.<AbstractRule>head(grammar.getRules());
  final RuleCall firstRuleCall = IteratorExtensions.<RuleCall>head(Iterators.<RuleCall>filter(firstRule.eAllContents(), RuleCall.class));
  Assert.assertTrue(firstRuleCall.isExplicitlyCalled());
  final RuleCall secondRuleCall = IteratorExtensions.<RuleCall>last(Iterators.<RuleCall>filter(firstRule.eAllContents(), RuleCall.class));
  Assert.assertFalse(secondRuleCall.isExplicitlyCalled());
  final RuleCall thirdRuleCall = IteratorExtensions.<RuleCall>head(Iterators.<RuleCall>filter(grammar.getRules().get(1).eAllContents(), RuleCall.class));
  Assert.assertTrue(thirdRuleCall.isExplicitlyCalled());
  resource.update(grammarAsString.indexOf("_super"), 1, " ");
  Assert.assertEquals(resource, firstRuleCall.eResource());
  Assert.assertEquals(resource, secondRuleCall.eResource());
  Assert.assertEquals(resource, thirdRuleCall.eResource());
  resource.getContents();
  Assert.assertFalse(thirdRuleCall.isExplicitlyCalled());
  Assert.assertEquals(IterableExtensions.<AbstractRule>last(grammar.getRules()), thirdRuleCall.getRule());
}

Example 12

Source File: Bug480686Test.java From xtext-extras with Eclipse Public License 2.0

5 votes

@Test
public void testRemoveSpace() throws Exception {
	ContentAssistFragmentTestLanguageRoot result = parseHelper.parse(" newArrayList(1) ");
	XtextResource res = (XtextResource) result.eResource();
	res.update(0, 1, "");
	EObject first = Iterables.getFirst(res.getContents(), null);
	Assert.assertTrue(first instanceof ContentAssistFragmentTestLanguageRoot);
}

Example 13

Source File: IndentationAwarePartialParsingErrorTest.java From xtext-core with Eclipse Public License 2.0

5 votes

@Test
public void testResourceUpdate_02() {
  try {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("a");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("x");
    _builder.newLine();
    _builder.append("\t\t");
    _builder.append("b // two tabs");
    _builder.newLine();
    _builder.append("\t         ");
    _builder.append("// tab and 8 spaces (eq 2 tabs)");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("y");
    _builder.newLine();
    final String model = _builder.toString();
    final Tree tree = this.parseHelper.parse(model);
    Resource _eResource = tree.eResource();
    final XtextResource resource = ((XtextResource) _eResource);
    final int idx = model.indexOf(" // tab");
    resource.update(idx, 0, "c");
    EObject _head = IterableExtensions.<EObject>head(resource.getContents());
    final Tree reparsed = ((Tree) _head);
    Assert.assertNotSame(tree, reparsed);
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}

Example 14

Source File: XtextLinkerTest.java From xtext-core with Eclipse Public License 2.0

5 votes

private void checkRegisteredPackageNotUnloadedAfterGrammarChange(final String originalGrammar, final int offset, final int length, final String replacement) throws Exception {
  final XtextResource resource = this.getResourceFromString(originalGrammar);
  EObject _get = resource.getContents().get(0);
  final Grammar grammar = ((Grammar) _get);
  final AbstractMetamodelDeclaration generatedMetamodel = grammar.getMetamodelDeclarations().get(0);
  final EPackage ePackage = generatedMetamodel.getEPackage();
  Assert.assertNull(((InternalEObject) ePackage).eProxyURI());
  resource.update(offset, length, replacement);
  Assert.assertNull(((InternalEObject) ePackage).eProxyURI());
}

Example 15

Source File: PartialParserTest.java From xtext-core with Eclipse Public License 2.0

5 votes

public void performTest(String toBeDeleted) throws Exception {
	String grammarAsText = 
		"grammar TestLanguage with org.eclipse.xtext.common.Terminals\n" +
		"generate test 'myEcoreModel'\n" +
		"Root: value=Test;\n" +
		"Test: (" + toBeDeleted.trim() + " 'foo')*;";
	XtextResource resource = getResourceFromString(grammarAsText);
	Grammar g = (Grammar) resource.getContents().get(0);
	ParserRule rule = (ParserRule) g.getRules().get(1);
	assertEquals("*", rule.getAlternatives().getCardinality());
	resource.update(grammarAsText.indexOf(toBeDeleted), toBeDeleted.length(), "");
	// make sure we did a partial parse pass
	assertSame(rule, ((Grammar) resource.getContents().get(0)).getRules().get(1));
	assertEquals("*", rule.getAlternatives().getCardinality());
}

Example 16

Source File: PartialParserTest.java From xtext-core with Eclipse Public License 2.0

5 votes

@Test public void testParseIsPartial() throws Exception {
	with(ReferenceGrammarTestLanguageStandaloneSetup.class);
	String model = "spielplatz 1 {kind (k 1)\n}";
	XtextResource resource = getResourceFromString(model);
	ICompositeNode rootNode = resource.getParseResult().getRootNode();
	resource.update(model.indexOf("k 1"), 3, "l 2");
	assertSame(rootNode, resource.getParseResult().getRootNode());
}

Example 17

Source File: PartialParserTest.java From xtext-core with Eclipse Public License 2.0

5 votes

@Test public void testParseIsPartialTwice() throws Exception {
	with(ReferenceGrammarTestLanguageStandaloneSetup.class);
	String model = "spielplatz 1 {kind (k 1)\n}";
	XtextResource resource = getResourceFromString(model);
	ICompositeNode rootNode = resource.getParseResult().getRootNode();
	resource.update(model.indexOf("k 1"), 3, "l 2");
	resource.update(model.indexOf("k 1"), 3, "m 3");
	assertSame(rootNode, resource.getParseResult().getRootNode());
}

Example 18

Source File: Bug480686Test.java From xtext-extras with Eclipse Public License 2.0

5 votes

@Test
public void testBrokenInput_02() throws Exception {
	ContentAssistFragmentTestLanguageRoot result = parseHelper.parse("}} abc");
	XtextResource res = (XtextResource) result.eResource();
	InvariantChecker invariantChecker = new InvariantChecker();
	invariantChecker.checkInvariant(res.getParseResult().getRootNode());
	res.update(0, 0, "newArrayList()");
	invariantChecker.checkInvariant(res.getParseResult().getRootNode());
	EObject first = Iterables.getFirst(res.getContents(), null);
	Assert.assertTrue(first.eClass().getName(), first instanceof ContentAssistFragmentTestLanguageRoot);
	res.update("newArrayList(".length(), 0, "1");
	invariantChecker.checkInvariant(res.getParseResult().getRootNode());
	EObject second = Iterables.getFirst(res.getContents(), null);
	Assert.assertTrue(second.eClass().getName(), second instanceof ContentAssistFragmentTestLanguageRoot);
}

Example 19

Source File: Bug410560Test.java From xtext-core with Eclipse Public License 2.0

5 votes

@Test
public void testPartialParsingChangeIndent() throws Exception {
	String modelAsString = "({tworequired a b})";
	Model model = (Model) getModel(modelAsString);
	XtextResource res = ((XtextResource) model.eResource());
	res.update(modelAsString.indexOf("a"), 1, "b");
	Assert.assertSame(model, res.getContents().get(0));
}

Example 20

Source File: PartialParsingHelperIssue219Test.java From xtext-core with Eclipse Public License 2.0

5 votes

@Test
public void testIssue219() throws Exception {
	with(PartialParserTestLanguageStandaloneSetup.class);
	String model = "container c1 {\n" + "  children {\n" + "-> C ( ch1 )\n" + "  }" + "}";
	XtextResource resource = getResourceFromString(model);
	assertTrue(resource.getErrors().isEmpty());
	((PartialParsingHelper) ((AbstractAntlrParser) resource.getParser()).getPartialParser())
			.setTokenRegionProvider(null);
	resource.update(model.indexOf("ch1") + 1, 1, "x");
}