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

Example 1 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-eclipse by eclipse.

the class RefactoringCrossReferenceSerializerTest method testSerializer.

@Test
public void testSerializer() throws Exception {
    RefactoringCrossReferenceSerializer.RefTextEvaluator evaluator = new RefactoringCrossReferenceSerializer.RefTextEvaluator() {

        @Override
        public boolean isValid(IEObjectDescription target) {
            return true;
        }

        @Override
        public boolean isBetterThan(String newText, String currentText) {
            return newText.length() < currentText.length();
        }
    };
    String model = "bar { ref foo } foo";
    String wsRelativePath = "test/test." + getCurrentFileExtension();
    IFile file = createFile(wsRelativePath, model);
    Main main = (Main) getModel(file.getContents());
    XtextResource resource = (XtextResource) main.eResource();
    resource.setURI(URI.createPlatformResourceURI(wsRelativePath, true));
    Element bar = (Element) main.getElements().get(0);
    Element foo = bar.getReferenced().get(0);
    assertEquals("foo", foo.getName());
    CrossReference crossref = GrammarUtil.containedCrossReferences(grammarAccess.getElementRule()).get(0);
    TextRegion linkTextRegion = new TextRegion(model.lastIndexOf("foo"), 3);
    String linkText = facade.getCrossRefText(bar, crossref, foo, evaluator, linkTextRegion, status);
    assertEquals(linkText, "foo");
    assertTrue(status.getRefactoringStatus().isOK());
    foo.setName("fooBar");
    resource.getCache().clear(resource);
    String linkText1 = facade.getCrossRefText(bar, crossref, foo, evaluator, linkTextRegion, status);
    assertEquals(linkText1, "fooBar");
    assertTrue(status.getRefactoringStatus().isOK());
    assertEquals(foo, ((Main) resource.getContents().get(0)).getElements().get(1));
    foo.setName("bar");
    resource.getCache().clear(resource);
    assertNull(facade.getCrossRefText(bar, crossref, foo, evaluator, linkTextRegion, status));
}

Example 2 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-eclipse by eclipse.

the class XbaseProposalProvider method getConcreteSyntaxRuleName.

protected String getConcreteSyntaxRuleName(Assignment assignment) {
    AbstractElement terminal = assignment.getTerminal();
    if (terminal instanceof CrossReference) {
        return getConcreteSyntaxRuleName((CrossReference) terminal);
    }
    String ruleName = null;
    if (terminal instanceof RuleCall) {
        ruleName = getConcreteSyntaxRuleName((RuleCall) terminal);
    }
    return ruleName;
}

Example 3 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-eclipse by eclipse.

the class XbaseWithAnnotationsProposalProvider method completeXAnnotationElementValuePair_Element.

@Override
public void completeXAnnotationElementValuePair_Element(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
    XAnnotation annotationReference = null;
    if (model instanceof XAnnotationElementValuePair) {
        annotationReference = (XAnnotation) model.eContainer();
    } else if (model instanceof XAnnotation) {
        annotationReference = (XAnnotation) model;
    }
    if (annotationReference != null) {
        JvmType annotationType = annotationReference.getAnnotationType();
        if (annotationType != null && !annotationType.eIsProxy() && annotationType instanceof JvmAnnotationType) {
            // do not propose features like #toString, #hashCode etc
            JvmAnnotationType casted = (JvmAnnotationType) annotationType;
            final Set<JvmOperation> operations = Sets.newHashSet(casted.getDeclaredOperations());
            Predicate<IEObjectDescription> predicate = Predicates.and(new Predicate<IEObjectDescription>() {

                @Override
                public boolean apply(IEObjectDescription in) {
                    return operations.contains(in.getEObjectOrProxy());
                }
            }, getFeatureDescriptionPredicate(context));
            lookupCrossReference(((CrossReference) assignment.getTerminal()), context, acceptor, predicate);
        }
    }
}

Example 4 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-eclipse by eclipse.

the class XtextLabelProvider method text.

String text(Assignment object) {
    StringBuffer label = new StringBuffer();
    label.append(object.getFeature()).append(" ").append(object.getOperator()).append(" ");
    AbstractElement terminal = object.getTerminal();
    if (terminal instanceof RuleCall) {
        RuleCall ruleCall = (RuleCall) terminal;
        String string = NodeModelUtils.getNode(ruleCall).getText();
        label.append(string);
    } else if (terminal instanceof Keyword) {
        Keyword keyword = (Keyword) terminal;
        String value = "'" + keyword.getValue() + "'";
        label.append(value);
    } else if (terminal instanceof CrossReference) {
        CrossReference crossReference = (CrossReference) terminal;
        label.append(getLabel(crossReference));
    } else {
        label.append("(..)");
    }
    String cardinality = object.getCardinality();
    label.append(cardinality != null ? cardinality : "");
    return label.toString();
}

Example 5 with CrossReference

use of org.eclipse.xtext.CrossReference in project xtext-eclipse by eclipse.

the class XtextProposalProvider method completeRuleCall.

private void completeRuleCall(EObject model, Assignment assignment, final ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
    final Assignment containingAssignment = GrammarUtil.containingAssignment(model);
    CrossReference crossReference = (CrossReference) assignment.getTerminal();
    lookupCrossReference(crossReference, context, acceptor, new Predicate<IEObjectDescription>() {

        @Override
        public boolean apply(IEObjectDescription input) {
            if (input.getEClass() == XtextPackage.Literals.TERMINAL_RULE) {
                EObject object = resolve(input, context);
                if (object instanceof TerminalRule) {
                    return !((TerminalRule) object).isFragment();
                }
            }
            if (containingAssignment != null && input.getEClass() == XtextPackage.Literals.PARSER_RULE) {
                EObject object = resolve(input, context);
                if (object instanceof ParserRule) {
                    return !((ParserRule) object).isFragment();
                }
            }
            return true;
        }
    });
}