Examples with XtextResource org.eclipse.xtext.resource.XtextResource used on opensource projects

Example 21 with XtextResource

use of org.eclipse.xtext.resource.XtextResource in project n4js by eclipse.

the class N4ContentAssistProcessorTestBuilderHelper method createTestBuilderForResource.

/**
 * @param resource
 *            the resource under test
 * @return the configured content assist test builder (resource set and resource content appended).
 * @throws Exception
 *             some exception
 */
public N4ContentAssistProcessorTestBuilder createTestBuilderForResource(XtextResource resource) throws Exception {
    N4ContentAssistProcessorTestBuilder fixture = testBuilder.create(new ResourceLoadHelper() {

        @Override
        public XtextResource getResourceFor(InputStream stream) {
            return XtextResourceCleanUtil.cleanXtextResource(resource);
        }
    });
    fixture = fixture.append(resource.getParseResult().getRootNode().getText());
    return fixture;
}

Example 22 with XtextResource

use of org.eclipse.xtext.resource.XtextResource in project n4js by eclipse.

the class JSDocCompletionProposalComputer method exec.

@SuppressWarnings("unchecked")
@Override
public ICompletionProposal[] exec(XtextResource xtextResource) throws Exception {
    ContentAssistContext[] contexts = processor.getContextFactory().create(viewer, offset, xtextResource);
    if (contexts.length > 0) {
        ArrayList<ICompletionProposal> proposals = new ArrayList<>();
        ContentAssistContext contentAssistContext = contexts[contexts.length - 1];
        INode currentNode = contentAssistContext.getCurrentNode();
        String content = currentNode.getText();
        int offsetInNode = contentAssistContext.getOffset() - currentNode.getOffset() - contentAssistContext.getPrefix().length();
        // String textInFront = content.substring(0, offsetInNode);
        // System.out.println(textInFront);
        N4JSDocletParser docletParser = processor.getDocletParser();
        Doclet doclet = docletParser.parse(content);
        Optional<String> lineTagPrefix = getLineTagTitlePrefix(content, offsetInNode);
        if (lineTagPrefix.isPresent()) {
            createLineTagProposal(lineTagPrefix.get(), docletParser, proposals);
        }
        Tag tag = JSDocletUtils.getTagAtOffset(doclet, offsetInNode);
        if (tag != null) {
            ITagDefinition tagDef = tag.getTagDefinition();
            JSDocCharScanner scanner = new JSDocCharScanner(content);
            ScannerState state = scanner.saveState();
            scanner.setNextOffset(offsetInNode);
            JSDocCompletionHint completionHint = tagDef.completionHint(scanner);
            scanner.restoreState(state);
            if (completionHint.kind != NOCOMPLETION) {
                int replacementOffset = offset - completionHint.prefix.length();
                if (completionHint.isTypeModelRef()) {
                    // get reference as far as it can be parsed:
                    FullMemberReference ref = completionHint.nodeAsFullMemberReference();
                    IContentAssistScopeProvider scopeProvider = (IContentAssistScopeProvider) processor.getScopeProvider();
                    IScope moduleSpecScope = scopeProvider.getScopeForContentAssist(// context for finding modules
                    xtextResource.getContents().get(0), N4JSPackage.Literals.IMPORT_DECLARATION__MODULE);
                    // complete module or type
                    if (!completionHint.isModuleNameCompleted()) {
                        for (IEObjectDescription moduleDescr : moduleSpecScope.getAllElements()) {
                            String moduleSpec = moduleDescr.getName().toString("/");
                            String moduleSimpleName = moduleDescr.getName().getLastSegment();
                            if (!moduleSpec.startsWith("#")) {
                                if (moduleSpec.startsWith(completionHint.prefix) || moduleSimpleName.startsWith(completionHint.prefix)) {
                                    if (moduleSpec.length() == completionHint.prefix.length()) {
                                        int replacementLength = 0;
                                        int cursorPosition = 1;
                                        ICompletionProposal proposal = new CompletionProposal(".", replacementOffset + completionHint.prefix.length(), replacementLength, cursorPosition);
                                        proposals.add(proposal);
                                    } else {
                                        int replacementLength = completionHint.prefix.length();
                                        int cursorPosition = moduleSpec.length();
                                        ICompletionProposal proposal = new CompletionProposal(moduleSpec, replacementOffset, replacementLength, cursorPosition);
                                        proposals.add(proposal);
                                    }
                                }
                            }
                        }
                    } else {
                        QualifiedName moduleQN = QualifiedName.create(ref.getModuleName().split("/"));
                        IEObjectDescription descr = moduleSpecScope.getSingleElement(moduleQN);
                        if (descr != null && descr.getEObjectOrProxy() instanceof TModule) {
                            TModule module = (TModule) descr.getEObjectOrProxy();
                            if (module.eIsProxy())
                                module = (TModule) EcoreUtil.resolve(module, xtextResource);
                            if (!completionHint.isTypeNameCompleted(false) && completionHint.kind != MODULESPEC) {
                                String typePrefix = ref.getTypeName();
                                for (Type t : module.getTopLevelTypes()) {
                                    String typeName = t.getName();
                                    if (typeName.startsWith(typePrefix)) {
                                        String completion = module.getModuleSpecifier() + "." + typeName;
                                        int replacementLength = completionHint.prefix.length();
                                        int cursorPosition = completion.length();
                                        ICompletionProposal proposal = new CompletionProposal(completion, replacementOffset, replacementLength, cursorPosition);
                                        proposals.add(proposal);
                                    }
                                }
                            } else {
                                // completionHint.kind == MEMBER
                                Optional<Type> optType = module.getTopLevelTypes().stream().filter(t -> t.getName().equals(ref.getTypeName())).findAny();
                                if (optType.isPresent()) {
                                    Type t = optType.get();
                                    if (t instanceof ContainerType) {
                                        String memberPrefix = ref.getMemberName();
                                        for (TMember m : ((ContainerType<? extends TMember>) t).getOwnedMembers()) {
                                            String memberName = m.getName();
                                            if (memberName.startsWith(memberPrefix)) {
                                                String completion = LineTagWithFullElementReference.createReferenceFromType(m).toString();
                                                int replacementLength = completionHint.prefix.length();
                                                int cursorPosition = completion.length();
                                                ICompletionProposal proposal = new CompletionProposal(completion, replacementOffset, replacementLength, cursorPosition);
                                                proposals.add(proposal);
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        ICompletionProposal[] result = new ICompletionProposal[proposals.size()];
        proposals.toArray(result);
        return result;
    }
    return null;
}

Example 23 with XtextResource

use of org.eclipse.xtext.resource.XtextResource in project n4js by eclipse.

the class N4JSDirtyStateEditorSupport method collectTransitivelyDependentResources.

private List<Resource> collectTransitivelyDependentResources(XtextResource resource, Set<URI> deltaURIs) {
    List<Resource> result = Lists.newArrayList();
    ResourceSet resourceSet = resource.getResourceSet();
    for (Resource candidate : resourceSet.getResources()) {
        if (candidate != resource) {
            URI uri = candidate.getURI();
            if (deltaURIs.contains(uri)) {
                // the candidate is contained in the delta list
                // schedule it for unloading
                result.add(candidate);
            } else if (candidate instanceof N4JSResource) {
                // schedule it for unloading
                if (canLoadFromDescriptionHelper.dependsOnAny(candidate, deltaURIs)) {
                    result.add(candidate);
                }
            }
        }
    }
    return result;
}

Example 24 with XtextResource

use of org.eclipse.xtext.resource.XtextResource in project n4js by eclipse.

the class AbstractN4JSContentAssistTest method getResourceFor.

@Override
public final XtextResource getResourceFor(InputStream stream) {
    try {
        XtextResource result = (XtextResource) getResourceSet().createResource(URI.createURI("platform:/resource/" + PROJECT_NAME + "/src/path/Test.n4js"));
        result.load(stream, null);
        return result;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 25 with XtextResource

use of org.eclipse.xtext.resource.XtextResource in project dsl-devkit by dsldevkit.

the class FormatQuickfixProvider method removeOverride.

/**
 * Semantic quickfix removing the override flag for a rule.
 *
 * @param issue
 *          the issue
 * @param acceptor
 *          the acceptor
 */
@Fix(FormatJavaValidator.OVERRIDE_ILLEGAL_CODE)
public void removeOverride(final Issue issue, final IssueResolutionAcceptor acceptor) {
    acceptor.accept(issue, "Remove override", "Remove override.", null, new IModification() {

        @Override
        public void apply(final IModificationContext context) throws BadLocationException {
            context.getXtextDocument().modify(new IUnitOfWork<Void, XtextResource>() {

                @Override
                public java.lang.Void exec(final XtextResource state) {
                    Rule rule = (Rule) state.getEObject(issue.getUriToProblem().fragment());
                    rule.setOverride(false);
                    return null;
                }
            });
        }
    });
}