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

Example 11 with NamedArgument

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

the class XtextLinkerTest method testNamedParameterAdjustment.

@Test
public void testNamedParameterAdjustment() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Root<MyParam>: rule=Rule<true>;");
    _builder.newLine();
    _builder.append("Rule<MyParam>: name=ID child=Root<false>?;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    EObject _model = this.getModel(grammarAsString);
    final Grammar grammar = ((Grammar) _model);
    final ResourceSet resourceSet = grammar.eResource().getResourceSet();
    final Resource otherResource = resourceSet.createResource(URI.createURI("other.xtext"));
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("grammar test.SubLang with test.Lang");
    _builder_1.newLine();
    _builder_1.append("import \'http://test\'");
    _builder_1.newLine();
    _builder_1.append("Root<MyParam>: rule=super::Rule<true>;");
    _builder_1.newLine();
    LazyStringInputStream _lazyStringInputStream = new LazyStringInputStream(_builder_1.toString());
    otherResource.load(_lazyStringInputStream, null);
    EObject _head = IterableExtensions.<EObject>head(otherResource.getContents());
    final Grammar subGrammar = ((Grammar) _head);
    AbstractRule _head_1 = IterableExtensions.<AbstractRule>head(subGrammar.getRules());
    final ParserRule rootRule = ((ParserRule) _head_1);
    AbstractRule _last = IterableExtensions.<AbstractRule>last(grammar.getRules());
    final ParserRule parentRule = ((ParserRule) _last);
    AbstractElement _alternatives = parentRule.getAlternatives();
    AbstractElement _last_1 = IterableExtensions.<AbstractElement>last(((Group) _alternatives).getElements());
    final Assignment lastAssignment = ((Assignment) _last_1);
    AbstractElement _terminal = lastAssignment.getTerminal();
    final RuleCall ruleCall = ((RuleCall) _terminal);
    final NamedArgument argument = IterableExtensions.<NamedArgument>head(ruleCall.getArguments());
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), argument.getParameter());
    Condition _value = argument.getValue();
    Assert.assertFalse(((LiteralCondition) _value).isTrue());
}

Example 12 with NamedArgument

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

the class XtextLinkerTest method testImplicitNamedParameterLinking_01.

@Test
public void testImplicitNamedParameterLinking_01() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Root<MyParam>: rule=Rule<MyParam>;");
    _builder.newLine();
    _builder.append("Rule<MyParam>: name=ID child=Root<MyParam>?;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    EObject _model = this.getModel(grammarAsString);
    final Grammar grammar = ((Grammar) _model);
    AbstractRule _head = IterableExtensions.<AbstractRule>head(grammar.getRules());
    final ParserRule rootRule = ((ParserRule) _head);
    AbstractRule _last = IterableExtensions.<AbstractRule>last(grammar.getRules());
    final ParserRule lastRule = ((ParserRule) _last);
    AbstractElement _alternatives = lastRule.getAlternatives();
    AbstractElement _last_1 = IterableExtensions.<AbstractElement>last(((Group) _alternatives).getElements());
    final Assignment lastAssignment = ((Assignment) _last_1);
    AbstractElement _terminal = lastAssignment.getTerminal();
    final RuleCall ruleCall = ((RuleCall) _terminal);
    final NamedArgument argument = IterableExtensions.<NamedArgument>head(ruleCall.getArguments());
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), argument.getParameter());
    Condition _value = argument.getValue();
    Assert.assertEquals(IterableExtensions.<Parameter>head(lastRule.getParameters()), ((ParameterReference) _value).getParameter());
}

Example 13 with NamedArgument

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

the class AntlrGrammarGenUtil method getPredicatedElement.

/**
 * @since 2.9
 */
public static AbstractElement getPredicatedElement(AbstractElement element) {
    if (element.isPredicated()) {
        return doGetPredicatedElement(element);
    }
    if (element instanceof Assignment) {
        return getPredicatedElement(((Assignment) element).getTerminal());
    }
    if (element instanceof RuleCall) {
        final RuleCall ruleCall = (RuleCall) element;
        final AbstractRule calledRule = ruleCall.getRule();
        Group group = (Group) calledRule.getAlternatives();
        AbstractElement first = group.getElements().get(0);
        AbstractElement result = getPredicatedElement(first);
        if (ruleCall.getArguments().isEmpty()) {
            return result;
        }
        EcoreUtil.Copier copier = new EcoreUtil.Copier() {

            private static final long serialVersionUID = 1L;

            @Override
            public EObject copy(EObject eObject) {
                if (eObject instanceof ParameterReference) {
                    ParameterReference paramRef = (ParameterReference) eObject;
                    Parameter parameter = paramRef.getParameter();
                    if (calledRule == GrammarUtil.containingRule(parameter)) {
                        for (NamedArgument givenArgument : ruleCall.getArguments()) {
                            if (givenArgument.getParameter() == parameter) {
                                EObject result = copy(givenArgument.getValue());
                                return result;
                            }
                        }
                        throw new IllegalStateException();
                    }
                }
                return super.copy(eObject);
            }
        };
        AbstractElement clone = (AbstractElement) copier.copy(result);
        copier.copyReferences();
        return clone;
    }
    return doGetPredicatedElement(element);
}