Examples with IParseResult org.eclipse.xtext.parser.IParseResult used on opensource projects

Example 51 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-core by eclipse.

the class PartialParserTest method testInsertSlashInSecondNode.

@Test
public void testInsertSlashInSecondNode() throws Exception {
    IParseResult parseResult = resource.getParser().reparse(this.parseResult, new ReplaceRegion(model.indexOf('6'), 0, "/"));
    assertFalse(parseResult.hasSyntaxErrors());
    assertEquals(0, parseResult.getRootNode().getTotalOffset());
    assertSame(resource.getParseResult().getRootNode(), parseResult.getRootNode());
    String newModel = "a.b.c.d: 123;\n" + "e.f.g.h: 45/6;";
    EmfAssert.assertEObjectsEqual(getModel(newModel), resource.getParseResult().getRootASTElement());
}

Example 52 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-core by eclipse.

the class AbstractPackratParser method parse.

protected final IParseResult parse(INonTerminalConsumer consumer) {
    if (activeMarker != null)
        throw new IllegalStateException("cannot parse now. Active marker is already assigned.");
    IMarker rootMarker = mark();
    IRootConsumerListener listener = new RootConsumerListener();
    try {
        consumer.consumeAsRoot(listener);
        IParseResult result = getParseResultFactory().createParseResult(activeMarker, input);
        rootMarker.commit();
        if (activeMarker != null)
            throw new IllegalStateException("cannot finish parse: active marker is still present.");
        return result;
    } catch (Exception e) {
        throw new WrappedException(e);
    }
}

Example 53 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-core by eclipse.

the class MultiLineJavaDocTypeReferenceProvider method computeEObjectReferencedInComment.

/**
 * {@inheritDoc}
 */
@Override
public EObjectInComment computeEObjectReferencedInComment(XtextResource resource, int offset) {
    IParseResult parseResult = resource.getParseResult();
    if (parseResult != null) {
        INode rootNode = parseResult.getRootNode();
        INode node = NodeModelUtils.findLeafNodeAtOffset(rootNode, offset);
        EObject semanticObject = NodeModelUtils.findActualSemanticObjectFor(node);
        if (semanticObject != null) {
            EReference reference = getEReference(semanticObject, node, offset);
            if (reference != null) {
                IScope scope = getScope(semanticObject, reference, node, offset);
                List<ReplaceRegion> eObjectReferences = computeTypeRefRegions(node);
                for (ReplaceRegion eObjectReference : eObjectReferences) {
                    if (eObjectReference.getOffset() <= offset && offset <= eObjectReference.getEndOffset()) {
                        String eObjectReferenceText = eObjectReference.getText();
                        if (!Strings.isNullOrEmpty(eObjectReferenceText)) {
                            ITextRegion region = new TextRegion(eObjectReference.getOffset(), eObjectReference.getLength());
                            IEObjectDescription candidate = getElementFromScope(scope, node, region, eObjectReferenceText);
                            if (candidate != null) {
                                EObject eObject = candidate.getEObjectOrProxy();
                                if (eObject != null) {
                                    return new EObjectInComment(eObject, region);
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    return null;
}

Example 54 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-core by eclipse.

the class Bug419429Test method replaceAndReparse.

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);
}

Example 55 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-core by eclipse.

the class DefaultTaskFinder method findTasks.

@Override
public List<Task> findTasks(Resource resource) {
    TaskTags taskTags = taskTagProvider.getTaskTags(resource);
    if (isEmpty(taskTags) || !(resource instanceof XtextResource)) {
        return emptyList();
    }
    IParseResult parseResult = ((XtextResource) resource).getParseResult();
    if (parseResult == null || parseResult.getRootNode() == null) {
        return emptyList();
    }
    List<Task> tasks = findTasks(parseResult.getRootNode(), taskTags);
    return unmodifiableList(tasks);
}