Examples with AbstractElement org.eclipse.xtext.AbstractElement used on opensource projects

Example 36 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class GrammarUtilTest method testFindCurrentType_03.

@Test
public void testFindCurrentType_03() throws Exception {
    this.with(XtextStandaloneSetup.class);
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar myLang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate g \'http://1\'");
    _builder.newLine();
    _builder.append("Rule:");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("Fragment;");
    _builder.newLine();
    _builder.append("fragment Fragment: name=ID SecondFragment;");
    _builder.newLine();
    _builder.append("fragment SecondFragment: {SubRule.named=current} value=ID;");
    _builder.newLine();
    String model = _builder.toString();
    final XtextResource r = this.getResourceFromString(model);
    EObject _get = r.getContents().get(0);
    final Grammar grammar = ((Grammar) _get);
    final AbstractRule rule = IterableExtensions.<AbstractRule>head(grammar.getRules());
    final AbstractElement fragmentCall = rule.getAlternatives();
    final EClassifier currentType = GrammarUtil.findCurrentType(fragmentCall);
    Assert.assertEquals("SubRule", currentType.getName());
}

Example 37 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class GrammarAccessExtensions method gaTypeAccessor.

/**
 * Returns the invocation of an element or rule accessor, including the .getType() call.
 * Example1: getFooRule().getType()
 * Example2: getBarRule().getFooAction().getType()
 */
public String gaTypeAccessor(final TypeRef ele) {
    String _switchResult = null;
    EObject _eContainer = ele.eContainer();
    final EObject cnt = _eContainer;
    boolean _matched = false;
    if (cnt instanceof AbstractElement) {
        _matched = true;
        String _gaRuleElementAccessor = this.gaRuleElementAccessor(((AbstractElement) cnt));
        _switchResult = (_gaRuleElementAccessor + ".getType()");
    }
    if (!_matched) {
        if (cnt instanceof AbstractRule) {
            _matched = true;
            String _gaRuleAccessor = this.gaRuleAccessor(((AbstractRule) cnt));
            _switchResult = (_gaRuleAccessor + ".getType()");
        }
    }
    if (!_matched) {
        String _name = ele.eContainer().eClass().getName();
        String _plus = ("<error: unknown type " + _name);
        _switchResult = (_plus + ">");
    }
    return _switchResult;
}

Example 38 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class AntlrGrammarGenUtil method doGetPredicatedElement.

private static AbstractElement doGetPredicatedElement(final AbstractElement element) {
    if (element instanceof Alternatives || element instanceof Group) {
        EcoreUtil.Copier copier = new EcoreUtil.Copier(true, true) {

            private static final long serialVersionUID = 1L;

            @Override
            public EObject copy(EObject eObject) {
                if (eObject instanceof AbstractElement) {
                    if (((AbstractElement) eObject).isFirstSetPredicated() && isLastInGroup(eObject)) {
                        Collection<AbstractElement> firstSet = EcoreUtil.copyAll(getFirstSet((AbstractElement) eObject));
                        if (firstSet.size() == 1) {
                            AbstractElement result = firstSet.iterator().next();
                            result.setCardinality(((AbstractElement) eObject).getCardinality());
                            return result;
                        }
                        Alternatives result = XtextFactory.eINSTANCE.createAlternatives();
                        for (AbstractElement firstElement : firstSet) {
                            firstElement.setCardinality(null);
                        }
                        result.getElements().addAll(firstSet);
                        result.setCardinality(((AbstractElement) eObject).getCardinality());
                        return result;
                    }
                }
                return super.copy(eObject);
            }

            private boolean isLastInGroup(EObject eObject) {
                if (eObject == element) {
                    return true;
                }
                EObject container = eObject.eContainer();
                if (container instanceof Group) {
                    List<AbstractElement> siblings = ((Group) container).getElements();
                    if (siblings.get(siblings.size() - 1) == eObject) {
                        return isLastInGroup(container);
                    }
                }
                if (container instanceof Alternatives) {
                    return isLastInGroup(container);
                }
                return false;
            }
        };
        AbstractElement clone = (AbstractElement) copier.copy(element);
        copier.copyReferences();
        return clone;
    }
    return element;
}

Example 39 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class AbstractNegatedTokenImpl method basicSetTerminal.

/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public NotificationChain basicSetTerminal(AbstractElement newTerminal, NotificationChain msgs) {
    AbstractElement oldTerminal = terminal;
    terminal = newTerminal;
    if (eNotificationRequired()) {
        ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, XtextPackage.ABSTRACT_NEGATED_TOKEN__TERMINAL, oldTerminal, newTerminal);
        if (msgs == null)
            msgs = notification;
        else
            msgs.add(notification);
    }
    return msgs;
}

Example 40 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class AbstractRuleImpl method basicSetAlternatives.

/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public NotificationChain basicSetAlternatives(AbstractElement newAlternatives, NotificationChain msgs) {
    AbstractElement oldAlternatives = alternatives;
    alternatives = newAlternatives;
    if (eNotificationRequired()) {
        ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, XtextPackage.ABSTRACT_RULE__ALTERNATIVES, oldAlternatives, newAlternatives);
        if (msgs == null)
            msgs = notification;
        else
            msgs.add(notification);
    }
    return msgs;
}