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

Example 11 with IParseResult

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

the class EmptyModelTest method assertEmptyModel.

private void assertEmptyModel(String model) throws Exception {
    IParseResult parseResult = getResource(new StringInputStream(model)).getParseResult();
    assertNull(parseResult.getRootASTElement());
    ICompositeNode rootNode = parseResult.getRootNode();
    assertNotNull(rootNode);
    assertEquals(model, rootNode.getText());
}

Example 12 with IParseResult

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

the class AbstractAntlrParser method parse.

@Override
public IParseResult parse(RuleCall ruleCall, Reader reader, int initialLookAhead) {
    try {
        NodeModelBuilder builder = nodeModelBuilder.get();
        builder.setForcedFirstGrammarElement(ruleCall);
        IParseResult parseResult = doParse(ruleCall.getRule().getName(), new ANTLRReaderStream(reader), builder, initialLookAhead);
        return parseResult;
    } catch (IOException e) {
        throw new WrappedException(e);
    }
}

Example 13 with IParseResult

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

the class SyntheticLinkingLeafNode method getParent.

/**
 * @since 2.10
 */
protected CompositeNode getParent(EObject obj, EReference eRef, String crossRefString, int offset, int length) {
    ICompositeNode node = NodeModelUtils.getNode(obj);
    if (node != null) {
        ICompositeNode rootNode = node.getRootNode();
        if (rootNode instanceof CompositeNode)
            return (CompositeNode) rootNode;
    }
    Resource resource = obj.eResource();
    if (resource instanceof XtextResource) {
        IParseResult parseResult = ((XtextResource) resource).getParseResult();
        if (parseResult != null) {
            ICompositeNode rootNode = parseResult.getRootNode();
            if (rootNode instanceof CompositeNode)
                return (CompositeNode) rootNode;
        }
    }
    return null;
}

Example 14 with IParseResult

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

the class XtextResourceTest method testUnload.

@Test
public void testUnload() throws Exception {
    resource.reparse(simpleModel);
    IParseResult parseResult = resource.getParseResult();
    resource.unload();
    assertNull(resource.getParseResult());
    assertTrue(parseResult.getRootASTElement().eIsProxy());
}

Example 15 with IParseResult

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

the class XtextResourceTest method testInitialState.

@Test
public void testInitialState() throws Exception {
    assertNotNull(resource);
    assertTrue(resource.isLoaded());
    assertFalse("resource.isTrackingModification()", resource.isTrackingModification());
    assertFalse(resource.isModified());
    assertTrue(resource.getErrors().isEmpty());
    assertTrue(resource.getWarnings().isEmpty());
    IParseResult parseResult = resource.getParseResult();
    assertNotNull("parseResult", parseResult);
    assertNotNull(parseResult.getRootNode());
    assertEquals(0, Iterables.size(parseResult.getSyntaxErrors()));
    assertEquals(0, parseResult.getRootNode().getTotalLength());
    assertNull(parseResult.getRootASTElement());
}