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

Example 11 with Assignment

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

the class GrammarParserTest method testAssignment.

@Test
public void testAssignment() throws Exception {
    Assignment assignment = (Assignment) getModel("name=ID");
    assertNotNull(assignment);
    assertEquals("ID", ((RuleCall) assignment.getTerminal()).getRule().getName());
}

Example 12 with Assignment

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

the class XtextValidationTest method testCheckRuleCallInUnorderedGroup_05.

@Test
public void testCheckRuleCallInUnorderedGroup_05() throws Exception {
    XtextValidator validator = get(XtextValidator.class);
    UnorderedGroup unorderedGroup = XtextFactory.eINSTANCE.createUnorderedGroup();
    RuleCall ruleCall = XtextFactory.eINSTANCE.createRuleCall();
    TypeRef typeRef = XtextFactory.eINSTANCE.createTypeRef();
    typeRef.setClassifier(EcorePackage.Literals.EOBJECT);
    ParserRule parserRule = XtextFactory.eINSTANCE.createParserRule();
    parserRule.setType(typeRef);
    ruleCall.setRule(parserRule);
    Assignment assignment = XtextFactory.eINSTANCE.createAssignment();
    assignment.setTerminal(ruleCall);
    unorderedGroup.getElements().add(assignment);
    ValidatingMessageAcceptor messageAcceptor = new ValidatingMessageAcceptor(null, false, false);
    validator.setMessageAcceptor(messageAcceptor);
    validator.checkRuleCallInUnorderedGroup(ruleCall);
    messageAcceptor.validate();
}

Example 13 with Assignment

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

the class XtextValidationTest method testKeywordWithSpaces.

@Test
public void testKeywordWithSpaces() throws Exception {
    String grammarAsText = "grammar test with org.eclipse.xtext.common.Terminals\n" + "generate test 'http://test'\n" + "A: foo='a b c'; B: bar='x\ty'; terminal C: ' ';";
    Grammar grammar = (Grammar) getModel(grammarAsText);
    XtextValidator validator = get(XtextValidator.class);
    ValidatingMessageAcceptor messageAcceptor = new ValidatingMessageAcceptor(null, false, true);
    Assignment valueAssignment = (Assignment) grammar.getRules().get(0).getAlternatives();
    Assignment valueAssignment2 = (Assignment) grammar.getRules().get(1).getAlternatives();
    messageAcceptor.expectedContext(valueAssignment.getTerminal());
    configureValidator(validator, messageAcceptor, valueAssignment);
    validator.checkKeywordNoSpaces((Keyword) valueAssignment.getTerminal());
    messageAcceptor.validate();
    messageAcceptor = new ValidatingMessageAcceptor(null, false, true);
    messageAcceptor.expectedContext(valueAssignment2.getTerminal());
    configureValidator(validator, messageAcceptor, valueAssignment2);
    validator.checkKeywordNoSpaces((Keyword) valueAssignment2.getTerminal());
    messageAcceptor.validate();
    messageAcceptor = new ValidatingMessageAcceptor(null, false, false);
    configureValidator(validator, messageAcceptor, valueAssignment2);
    validator.checkKeywordNoSpaces((Keyword) grammar.getRules().get(2).getAlternatives());
    messageAcceptor.validate();
}

Example 14 with Assignment

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

the class NodeModelUtils method findActualSemanticObjectFor.

/**
 * Returns the semantic object that is really associated with the actual container node of the given node. It
 * handles the structural semantics that results from {@link Action Actions} and {@link RuleCall unassigned rule
 * calls}.
 *
 * @return the semantic object that is really associated with the actual container node of the given node.
 */
/* @Nullable */
public static EObject findActualSemanticObjectFor(/* @Nullable */
INode node) {
    if (node == null)
        return null;
    if (node.hasDirectSemanticElement())
        return node.getSemanticElement();
    EObject grammarElement = node.getGrammarElement();
    ICompositeNode parent = node.getParent();
    if (grammarElement == null)
        return findActualSemanticObjectFor(parent);
    Assignment assignment = GrammarUtil.containingAssignment(grammarElement);
    if (assignment != null) {
        if (GrammarUtil.isEObjectFragmentRule(GrammarUtil.containingRule(assignment))) {
            EObject result = findActualSemanticObjectInChildren(node, grammarElement);
            if (result != null)
                return result;
        }
        if (parent.hasDirectSemanticElement())
            return findActualSemanticObjectFor(parent);
        INode sibling = parent.getFirstChild();
        while (!sibling.equals(node)) {
            EObject siblingGrammarElement = sibling.getGrammarElement();
            if (siblingGrammarElement != null && GrammarUtil.containingAssignment(siblingGrammarElement) == null) {
                if (GrammarUtil.isEObjectRuleCall(siblingGrammarElement)) {
                    return findActualSemanticObjectFor(sibling);
                }
                if (siblingGrammarElement.eClass() == XtextPackage.Literals.ACTION) {
                    return findActualSemanticObjectFor(sibling);
                }
            }
            sibling = sibling.getNextSibling();
        }
    } else if (!GrammarUtil.isEObjectFragmentRuleCall(grammarElement)) {
        EObject result = findActualSemanticObjectInChildren(node, grammarElement);
        if (result != null)
            return result;
    }
    return findActualSemanticObjectFor(parent);
}

Example 15 with Assignment

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

the class TreeConstructionReportImpl method getDiagnosticMessage.

protected String getDiagnosticMessage(AssignmentToken token) {
    Assignment ass = (Assignment) token.getGrammarElement();
    Object value = token.getEObjectConsumer().getConsumable(ass.getFeature(), false);
    if (value == null) {
        EStructuralFeature f = token.getEObjectConsumer().getEObject().eClass().getEStructuralFeature(ass.getFeature());
        if (f == null)
            return "The current object of type '" + token.getEObjectConsumer().getEObject().eClass().getName() + "' does not have a feature named '" + ass.getFeature() + "'";
        String cls = f.getEContainingClass() == token.getEObjectConsumer().getEObject().eClass() ? f.getEContainingClass().getName() : f.getEContainingClass().getName() + "(" + token.getEObjectConsumer().getEObject().eClass().getName() + ")";
        String feat = cls + "." + f.getName();
        if (f.isMany()) {
            int size = ((List<?>) token.getEObjectConsumer().getEObject().eGet(f)).size();
            return "All " + size + " values of " + feat + " have been consumed. " + "More are needed to continue here.";
        } else
            return feat + " is not set.";
    } else {
        ErrorAcceptor err = new ErrorAcceptor();
        for (RuleCall ruleCall : GrammarUtil.containedRuleCalls(token.getGrammarElement())) {
            if (ruleCall.getRule() instanceof EnumRule) {
                if (enumSerializer.isValid(token.getEObject(), ruleCall, value, err))
                    return null;
            } else if (ruleCall.getRule().getType().getClassifier() instanceof EDataType) {
                if (valueSerializer.isValid(token.getEObject(), ruleCall, value, err))
                    return null;
            }
        }
        return err.getMessage();
    }
}