Java Code Examples for org.eclipse.xtext.nodemodel.INode#getSemanticElement()
The following examples show how to use
org.eclipse.xtext.nodemodel.INode#getSemanticElement() .
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Example 1
| Source File: SolidityHyperlinkHelper.java From solidity-ide with Eclipse Public License 1.0 | 6 votes |
|
protected void createImportedNamespacesHyperlinksByOffset(XtextResource resource, int offset,
IHyperlinkAcceptor acceptor) {
INode node = NodeModelUtils.findLeafNodeAtOffset(resource.getParseResult().getRootNode(), offset);
if (node != null) {
List<INode> importNodes = NodeModelUtils.findNodesForFeature(node.getSemanticElement(), SolidityPackage.Literals.IMPORT_DIRECTIVE__IMPORTED_NAMESPACE);
if (importNodes != null && !importNodes.isEmpty()) {
for (INode importNode : importNodes) {
ImportDirective importElement = (ImportDirective) importNode.getSemanticElement();
URI targetURI = getFileURIOfImport(importElement);
XtextHyperlink result = getHyperlinkProvider().get();
result.setURI(targetURI);
Region region = new Region(importNode.getOffset(), importNode.getLength());
result.setHyperlinkRegion(region);
result.setHyperlinkText(targetURI.toString());
acceptor.accept(result);
}
}
}
}
Example 2
| Source File: XbaseStratumBreakpointSupport.java From xtext-extras with Eclipse Public License 2.0 | 6 votes |
|
protected boolean isValidLineForBreakpoint(ICompositeNode node, int line) {
for (INode n : node.getChildren()) {
ITextRegionWithLineInformation textRegion = n.getTextRegionWithLineInformation();
if (textRegion.getLineNumber()<= line && textRegion.getEndLineNumber() >= line) {
EObject eObject = n.getSemanticElement();
if (eObject instanceof XExpression && !(eObject.eClass() == XbasePackage.Literals.XBLOCK_EXPRESSION)) {
return true;
}
if (n instanceof ICompositeNode && isValidLineForBreakpoint((ICompositeNode) n, line)) {
return true;
}
}
if (textRegion.getLineNumber() > line) {
return false;
}
}
return false;
}
Example 3
| Source File: PackageImportHyperlinkHelper.java From statecharts with Eclipse Public License 1.0 | 6 votes |
|
protected void createPackageImportHyperlinksByOffset(XtextResource resource, int offset,
IHyperlinkAcceptor acceptor) {
INode node = NodeModelUtils.findLeafNodeAtOffset(resource.getParseResult().getRootNode(), offset);
if (node != null && node.getGrammarElement() instanceof RuleCall
&& node.getSemanticElement() instanceof ImportScope) {
NodeModelUtils.findNodesForFeature(node.getSemanticElement(), TypesPackage.Literals.PACKAGE__IMPORT);
ImportScope importScope = (ImportScope) node.getSemanticElement();
EList<String> imports = importScope.getImports();
for (String pkgImport : imports) {
Optional<PackageImport> mappedImport = mapper.findPackageImport(resource, pkgImport);
if (mappedImport.isPresent()) {
acceptor.accept(createHyperlink(node, mappedImport.get()));
}
}
}
}
Example 4
| Source File: ParserBasedContentAssistContextFactory.java From xtext-eclipse with Eclipse Public License 2.0 | 6 votes |
|
@Override
protected void handleLastCompleteNodeIsAtEndOfDatatypeNode() throws BadLocationException {
String prefix = getPrefix(lastCompleteNode);
INode previousNode = getLastCompleteNodeByOffset(rootNode, lastCompleteNode.getOffset());
EObject previousModel = previousNode.getSemanticElement();
INode currentDatatypeNode = getContainingDatatypeRuleNode(currentNode);
Collection<FollowElement> followElements = parseFollowElements(lastCompleteNode.getOffset(), false);
int prevSize = contextBuilders.size();
doCreateContexts(previousNode, currentDatatypeNode, prefix, previousModel, followElements);
if (lastCompleteNode instanceof ILeafNode && lastCompleteNode.getGrammarElement() == null
&& contextBuilders.size() != prevSize) {
handleLastCompleteNodeHasNoGrammarElement(contextBuilders.subList(prevSize, contextBuilders.size()),
previousModel);
}
}
Example 5
| Source File: PartialContentAssistContextFactory.java From xtext-core with Eclipse Public License 2.0 | 6 votes |
|
@Override
protected void handleLastCompleteNodeIsAtEndOfDatatypeNode() {
String prefix = getPrefix(lastCompleteNode);
INode previousNode = getLastCompleteNodeByOffset(rootNode, lastCompleteNode.getOffset());
EObject previousModel = previousNode.getSemanticElement();
INode currentDatatypeNode = getContainingDatatypeRuleNode(currentNode);
Collection<FollowElement> followElements = parseFollowElements(lastCompleteNode.getOffset(), false);
int prevSize = contextBuilders.size();
doCreateContexts(previousNode, currentDatatypeNode, prefix, previousModel, followElements);
if (lastCompleteNode instanceof ILeafNode && lastCompleteNode.getGrammarElement() == null
&& contextBuilders.size() != prevSize) {
handleLastCompleteNodeHasNoGrammarElement(contextBuilders.subList(prevSize, contextBuilders.size()),
previousModel);
}
}
Example 6
| Source File: StyledTemplateProposal.java From n4js with Eclipse Public License 1.0 | 5 votes |
|
static private boolean hasTrailingComma(ContentAssistContext context) {
boolean trailingComma = false;
// add trailing comma, if the name-value pair is inserted in the middle of a
// list of existing pairs.
final INode currentNode = context.getCurrentNode();
if (currentNode.hasNextSibling()) {
final INode nextSibling = currentNode.getNextSibling();
if (nextSibling.getSemanticElement() instanceof NameValuePair) {
trailingComma = true;
}
}
return trailingComma;
}
Example 7
| Source File: ContentAssistContextFactory.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
protected void handleLastCompleteNodeIsAtEndOfDatatypeNode() {
String prefix = getPrefix(lastCompleteNode);
String completeInput = getInputToParse(lastCompleteNode);
INode previousNode = getLastCompleteNodeByOffset(rootNode, lastCompleteNode.getOffset());
EObject previousModel = previousNode.getSemanticElement();
INode currentDatatypeNode = getContainingDatatypeRuleNode(currentNode);
Collection<FollowElement> followElements = parser.getFollowElements(completeInput, false);
int prevSize = contextBuilders.size();
doCreateContexts(previousNode, currentDatatypeNode, prefix, previousModel, followElements);
if (lastCompleteNode instanceof ILeafNode && lastCompleteNode.getGrammarElement() == null && contextBuilders.size() != prevSize) {
handleLastCompleteNodeHasNoGrammarElement(contextBuilders.subList(prevSize, contextBuilders.size()), previousModel);
}
}
Example 8
| Source File: GH1462Test.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Test
public void test12a() throws Exception {
Root root = (Root) getModelAndExpect("#12 123 s", 1);
Rule12 rule12 = (Rule12) root.getElement();
assertEquals(123, rule12.getLeft());
// TODO (sza, cdi): This should be an invalid grammar instead
assertTrue(rule12.isRight());
INode featureNode = NodeModelUtils.findNodesForFeature(rule12, Gh1462TestPackage.Literals.RULE12__RIGHT).get(0);
assertEquals("", featureNode.getText());
assertTrue(featureNode.hasDirectSemanticElement());
EObject element = featureNode.getSemanticElement();
assertNull(element.eResource());
}
Example 9
| Source File: AbstractDiagnostic.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
public URI getUriToProblem() {
INode node = getNode();
if (node == null)
return null;
EObject eObject = node.getSemanticElement();
if (eObject==null || eObject.eResource()==null)
return null;
return EcoreUtil.getURI(eObject);
}
Example 10
| Source File: SemanticNodeIterator.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
protected EObject getEObjectNodeEObject(INode node) {
if (node.hasDirectSemanticElement())
return node.getSemanticElement();
Iterator<INode> i = node.getAsTreeIterable().iterator();
while (i.hasNext()) {
INode n = i.next();
if (n.hasDirectSemanticElement())
return n.getSemanticElement();
}
return null;
}
Example 11
| Source File: DefaultCommentAssociater.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
protected EObject getEObjectForRemainingComments(ICompositeNode rootNode) {
TreeIterator<INode> i = rootNode.getAsTreeIterable().iterator();
while (i.hasNext()) {
INode o = i.next();
if (o.hasDirectSemanticElement())
return o.getSemanticElement();
}
return null;
}
Example 12
| Source File: ParserBasedContentAssistContextFactory.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
protected void handleLastCompleteNodeIsAtEndOfDatatypeNode() throws BadLocationException {
String prefix = getPrefix(lastCompleteNode);
String completeInput = getInputToParse(lastCompleteNode);
INode previousNode = getLastCompleteNodeByOffset(rootNode, lastCompleteNode.getOffset());
EObject previousModel = previousNode.getSemanticElement();
INode currentDatatypeNode = getContainingDatatypeRuleNode(currentNode);
Collection<FollowElement> followElements = parser.getFollowElements(completeInput, false);
int prevSize = contextBuilders.size();
doCreateContexts(previousNode, currentDatatypeNode, prefix, previousModel, followElements);
if (lastCompleteNode instanceof ILeafNode && lastCompleteNode.getGrammarElement() == null && contextBuilders.size() != prevSize) {
handleLastCompleteNodeHasNoGrammarElement(contextBuilders.subList(prevSize, contextBuilders.size()), previousModel);
}
}
Example 13
| Source File: ReferenceResolutionFinder.java From n4js with Eclipse Public License 1.0 | 5 votes |
|
private EObject getParentImportElement(INode parseTreeNode) {
while (parseTreeNode != null) {
EObject semanticElement = parseTreeNode.getSemanticElement();
if (semanticElement instanceof ImportCallExpression
|| semanticElement instanceof ImportDeclaration) {
return semanticElement;
}
parseTreeNode = parseTreeNode.getParent();
}
return null;
}
Example 14
| Source File: PartialParsingHelper.java From xtext-core with Eclipse Public License 2.0 | 4 votes |
|
public void unloadNode(INode node) {
if (node != null) {
EObject semantic = node.getSemanticElement();
unloadSemanticObject(semantic);
}
}
Example 15
| Source File: DotSemanticHighlightingCalculator.java From gef with Eclipse Public License 2.0 | 4 votes |
|
@Override
public void doProvideHighlightingFor(XtextResource resource,
IHighlightedPositionAcceptor acceptor,
CancelIndicator cancelIndicator) {
// It gets a node model.
INode root = resource.getParseResult().getRootNode();
for (INode node : root.getAsTreeIterable()) {
EObject grammarElement = node.getGrammarElement();
if (grammarElement instanceof RuleCall) {
RuleCall rc = (RuleCall) grammarElement;
AbstractRule r = rc.getRule();
EObject c = grammarElement.eContainer();
// handle ID elements specifically
if (r.getName().equals("ID")) { //$NON-NLS-1$
EObject semanticElement = node.getSemanticElement();
switch (((Assignment) c).getFeature()) {
case "name": //$NON-NLS-1$
if (semanticElement instanceof DotGraph) {
acceptor.addPosition(node.getOffset(),
node.getLength(),
DotHighlightingConfiguration.GRAPH_NAME_ID);
} else if (semanticElement instanceof NodeStmt
|| semanticElement instanceof NodeId) {
acceptor.addPosition(node.getOffset(),
node.getLength(),
DotHighlightingConfiguration.NODE_NAME_ID);
} else if (semanticElement instanceof Attribute) {
acceptor.addPosition(node.getOffset(),
node.getLength(),
DotHighlightingConfiguration.ATTRIBUTE_NAME_ID);
} else if (semanticElement instanceof Port) {
acceptor.addPosition(node.getOffset(),
node.getLength(),
DotHighlightingConfiguration.PORT_NAME_ID);
}
break;
case "value": //$NON-NLS-1$
if (semanticElement instanceof Attribute) {
switch (((Attribute) semanticElement).getName()
.toValue()) {
case DotAttributes.ARROWHEAD__E:
case DotAttributes.ARROWTAIL__E:
provideHighlightingForArrowTypeString(node,
acceptor);
break;
}
}
break;
}
}
if (r.getName().equals("EdgeOp")) { //$NON-NLS-1$
acceptor.addPosition(node.getOffset(), node.getLength(),
DotHighlightingConfiguration.EDGE_OP_ID);
}
if (r.getName().equals("HTML_STRING")) { //$NON-NLS-1$
provideHighlightingForHtmlString(node, acceptor);
}
}
}
}
Example 16
| Source File: DotHtmlLabelSemanticHighlightingCalculator.java From gef with Eclipse Public License 2.0 | 4 votes |
|
@Override
public void doProvideHighlightingFor(XtextResource resource,
IHighlightedPositionAcceptor acceptor,
CancelIndicator cancelIndicator) {
// It gets a node model.
INode root = resource.getParseResult().getRootNode();
for (INode node : root.getAsTreeIterable()) {
EObject grammarElement = node.getGrammarElement();
if (grammarElement instanceof TerminalRule) {
if ("HTML_COMMENT" //$NON-NLS-1$
.equals(((TerminalRule) grammarElement).getName())) {
acceptor.addPosition(node.getOffset(), node.getLength(),
DotHighlightingConfiguration.HTML_COMMENT);
}
}
if (grammarElement instanceof RuleCall) {
RuleCall rc = (RuleCall) grammarElement;
AbstractRule r = rc.getRule();
String ruleName = r.getName();
switch (ruleName) {
case "ATTR_VALUE": //$NON-NLS-1$
acceptor.addPosition(node.getOffset(), node.getLength(),
DotHighlightingConfiguration.HTML_ATTRIBUTE_VALUE);
break;
case "TAG_START_CLOSE": //$NON-NLS-1$
case "TAG_START": //$NON-NLS-1$
case "TAG_END": //$NON-NLS-1$
case "TAG_END_CLOSE": //$NON-NLS-1$
acceptor.addPosition(node.getOffset(), node.getLength(),
DotHighlightingConfiguration.HTML_TAG);
break;
case "ASSIGN": //$NON-NLS-1$
acceptor.addPosition(node.getOffset(), node.getLength(),
DotHighlightingConfiguration.HTML_ATTRIBUTE_EQUAL_SIGN);
default:
EObject c = grammarElement.eContainer();
if (c instanceof Assignment) {
EObject semanticElement = node.getSemanticElement();
String feature = ((Assignment) c).getFeature();
if (r.getName().equals("ID")) { //$NON-NLS-1$
if (semanticElement instanceof HtmlAttr
&& "name".equals(feature)) { //$NON-NLS-1$
acceptor.addPosition(node.getOffset(),
node.getLength(),
DotHighlightingConfiguration.HTML_ATTRIBUTE_NAME);
} else if ("name".equals(feature) //$NON-NLS-1$
|| "closeName".equals(feature)) { //$NON-NLS-1$
acceptor.addPosition(node.getOffset(),
node.getLength(),
DotHighlightingConfiguration.HTML_TAG);
}
} else if (semanticElement instanceof HtmlContent
&& "text".equals(feature)) { //$NON-NLS-1$
acceptor.addPosition(node.getOffset(),
node.getLength(),
DotHighlightingConfiguration.HTML_CONTENT);
}
}
}
}
}
}
Example 17
| Source File: HiddenTokenSequencer.java From xtext-core with Eclipse Public License 2.0 | 4 votes |
|
protected boolean belongsToDeletedElement(INode node) {
return node instanceof ICompositeNode
&& node.getSemanticElement() != null
&& node.getSemanticElement().eResource() == null;
}
Example 18
| Source File: FixedPartialParsingHelper.java From dsl-devkit with Eclipse Public License 1.0 | 4 votes |
|
public void unloadNode(final INode node) {
if (node != null) {
EObject semantic = node.getSemanticElement();
unloadSemanticObject(semantic);
}
}
Example 19
| Source File: ResourceStorageTest.java From xtext-extras with Eclipse Public License 2.0 | 4 votes |
|
@Test
public void testWriteAndLoad() {
try {
StringConcatenation _builder = new StringConcatenation();
_builder.append("{");
_builder.newLine();
_builder.append("\t");
_builder.append("var x = \"Hello\"");
_builder.newLine();
_builder.append("\t");
_builder.append("var y = \"\"");
_builder.newLine();
_builder.append("\t");
_builder.append("val it = x");
_builder.newLine();
_builder.append("\t");
_builder.append("y = length.toString");
_builder.newLine();
_builder.append("\t");
_builder.append("println(x)");
_builder.newLine();
_builder.append("\t");
_builder.append("y = length.toString");
_builder.newLine();
_builder.append("\t");
_builder.append("println(x)");
_builder.newLine();
_builder.append("\t");
_builder.append("y = length.toString");
_builder.newLine();
_builder.append("\t");
_builder.append("println(x)");
_builder.newLine();
_builder.append("}");
_builder.newLine();
final String contents = _builder.toString();
final XExpression file = this.expression(contents);
final ByteArrayOutputStream bout = new ByteArrayOutputStream();
((ResourceStorageFacade) this.resourceStorageFacade).setStoreNodeModel(true);
Resource _eResource = file.eResource();
this.resourceStorageFacade.createResourceStorageWritable(bout).writeResource(((StorageAwareResource) _eResource));
byte[] _byteArray = bout.toByteArray();
ByteArrayInputStream _byteArrayInputStream = new ByteArrayInputStream(_byteArray);
final ResourceStorageLoadable in = this.resourceStorageFacade.createResourceStorageLoadable(_byteArrayInputStream);
Resource _createResource = file.eResource().getResourceSet().createResource(URI.createURI("synthetic:/Test.___xbase"));
final StorageAwareResource resource = ((StorageAwareResource) _createResource);
final ResourceStorageTest.InMemoryURIConverter converter = new ResourceStorageTest.InMemoryURIConverter();
converter.addModel(resource.getURI().toString(), contents);
ResourceSet _resourceSet = resource.getResourceSet();
_resourceSet.setURIConverter(converter);
EList<Resource> _resources = file.eResource().getResourceSet().getResources();
_resources.add(resource);
resource.loadFromStorage(in);
EObject _get = resource.getContents().get(0);
final XExpression root = ((XExpression) _get);
Assert.assertTrue((root instanceof XBlockExpression));
final BidiTreeIterator<INode> restoredNodes = NodeModelUtils.findActualNodeFor(IterableExtensions.<EObject>head(resource.getContents())).getAsTreeIterable().iterator();
final BidiTreeIterator<INode> originalNodes = NodeModelUtils.findActualNodeFor(file).getAsTreeIterable().iterator();
while (restoredNodes.hasNext()) {
{
final INode rest = restoredNodes.next();
final INode orig = originalNodes.next();
Assert.assertEquals(orig.getStartLine(), rest.getStartLine());
Assert.assertEquals(orig.getEndLine(), rest.getEndLine());
Assert.assertEquals(orig.getOffset(), rest.getOffset());
Assert.assertEquals(orig.getEndOffset(), rest.getEndOffset());
Assert.assertEquals(orig.getLength(), rest.getLength());
Assert.assertEquals(orig.getTotalStartLine(), rest.getTotalStartLine());
Assert.assertEquals(orig.getTotalEndLine(), rest.getTotalEndLine());
Assert.assertEquals(orig.getTotalOffset(), rest.getTotalOffset());
Assert.assertEquals(orig.getTotalEndOffset(), rest.getTotalEndOffset());
Assert.assertEquals(orig.getTotalLength(), rest.getTotalLength());
Assert.assertSame(orig.getGrammarElement(), rest.getGrammarElement());
Assert.assertTrue((((orig.getSemanticElement() != null) && (rest.getSemanticElement() != null)) || ((orig.getSemanticElement() == null) && (rest.getSemanticElement() == null))));
EObject _semanticElement = orig.getSemanticElement();
boolean _tripleNotEquals = (_semanticElement != null);
if (_tripleNotEquals) {
Assert.assertEquals(file.eResource().getURIFragment(orig.getSemanticElement()), resource.getURIFragment(rest.getSemanticElement()));
}
Assert.assertEquals(orig.getText(), rest.getText());
}
}
Assert.assertFalse(originalNodes.hasNext());
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}
Example 20
| Source File: N4JSSyntaxValidator.java From n4js with Eclipse Public License 1.0 | 4 votes |
|
/**
* Returns the first keyword with the given value, or null if no such keyword is found.
*/
private ILeafNode doFindLeafWithKeyword(EObject semanticElement, String stopAtKeyword, ICompositeNode node,
String keyWord,
boolean commaAlternative, int hitNumber) {
EObject grammarElement;
int foundHits = 0;
for (BidiTreeIterator<INode> iter = node.getAsTreeIterable().iterator(); iter.hasNext();) {
INode child = iter.next();
EObject childSemElement = child.getSemanticElement();
if (child != node && childSemElement != null && childSemElement != semanticElement) {
iter.prune();
} else if (child instanceof ILeafNode) {
ILeafNode leaf = (ILeafNode) child;
grammarElement = leaf.getGrammarElement();
if (grammarElement instanceof Keyword) {
String value = ((Keyword) grammarElement).getValue();
if (stopAtKeyword.equals(value)) {
return null;
}
if (keyWord.equals(value)) {
if (grammarElement.eContainer() instanceof Alternatives) {
AbstractElement first = ((Alternatives) (grammarElement.eContainer())).getElements().get(0);
boolean inCommaAlternative = (first instanceof Keyword && ",".equals(((Keyword) first)
.getValue()));
if (inCommaAlternative == commaAlternative) {
foundHits++;
if (foundHits >= hitNumber) {
return leaf;
}
}
} else {
if (!commaAlternative) {
foundHits++;
if (foundHits >= hitNumber) {
return leaf;
}
}
}
}
}
}
}
return null;
}
