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

Example 31 with AbstractElement

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

the class AbstractFormattingConfig method getAbstractElements.

protected List<AbstractElement> getAbstractElements(EObject obj) {
    if (obj instanceof AbstractElement)
        return Collections.singletonList((AbstractElement) obj);
    if (obj instanceof AbstractRule) {
        AbstractRule rule = (AbstractRule) obj;
        if (rule.getType().getClassifier() instanceof EClass)
            return Collections.singletonList(rule.getAlternatives());
        List<AbstractElement> result = Lists.newArrayList();
        for (RuleCall rc : grammarAccess.findRuleCalls(rule)) {
            CrossReference cr = GrammarUtil.containingCrossReference(rc);
            result.add(cr == null ? rc : cr);
        }
        return result;
    }
    return null;
}

Example 32 with AbstractElement

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

the class FormattingConfigBasedStream method collectLocators.

protected Set<ElementLocator> collectLocators(EObject ele) {
    Set<ElementLocator> result = Sets.newHashSet(activeRangeLocators);
    Collection<ElementLocator> loc = Sets.newHashSet();
    if (ele instanceof AbstractElement)
        for (ElementPattern pattern : matcher.matchNext((AbstractElement) ele)) loc.add(pattern.getLocator());
    if ((last instanceof AbstractRule && hiddenTokenHelper.isComment((AbstractRule) last)) || (ele instanceof AbstractRule && hiddenTokenHelper.isComment((AbstractRule) ele)))
        loc = collectLocatorsForComments(loc, last, ele);
    last = ele;
    for (ElementLocator locator : loc) if (locator.getType() == LocatorType.RANGE && !activeRangeLocators.add(locator))
        activeRangeLocators.remove(locator);
    result.addAll(loc);
    for (ElementLocator locator : result) {
        if (locator instanceof IndentationLocatorStart)
            indentationLevel++;
        else if (locator instanceof IndentationLocatorEnd)
            indentationLevel--;
    }
    return result;
}

Example 33 with AbstractElement

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

the class GrammarUtilTest method testGetReference.

@Test
public void testGetReference() throws Exception {
    this.with(LangATestLanguageStandaloneSetup.class);
    XtextResource resource = this.getResourceFromStringAndExpect("type A extends B", 1);
    Assignment asExtends = this.<LangATestLanguageGrammarAccess>get(LangATestLanguageGrammarAccess.class).getTypeAccess().getExtendsAssignment_2_1();
    AbstractElement _terminal = asExtends.getTerminal();
    CrossReference xref = ((CrossReference) _terminal);
    EObject _model = this.getModel(resource);
    Main model = ((Main) _model);
    EObject typeA = model.getTypes().get(0);
    EReference ref = GrammarUtil.getReference(xref, typeA.eClass());
    Assert.assertNotNull(ref);
    Assert.assertEquals("extends", ref.getName());
    Assert.assertFalse(ref.isMany());
    Assert.assertEquals(typeA.eClass(), ref.getEReferenceType());
}

Example 34 with AbstractElement

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

the class GrammarUtilTest method testFindCurrentType_01.

@Test
public void testFindCurrentType_01() 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;");
    _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("Rule", currentType.getName());
}

Example 35 with AbstractElement

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

the class GrammarUtilTest method testFindCurrentType_06.

@Test
public void testFindCurrentType_06() 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 returns Rule:");
    _builder.newLine();
    _builder.append("    ");
    _builder.append("name=ID Fragment?");
    _builder.newLine();
    _builder.append(";");
    _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>last(grammar.getRules());
    AbstractElement _alternatives = rule.getAlternatives();
    final AbstractElement fragmentCall = IterableExtensions.<AbstractElement>last(((Group) _alternatives).getElements());
    final EClassifier currentType = GrammarUtil.findCurrentType(fragmentCall);
    Assert.assertEquals("Rule", currentType.getName());
}