Examples with N4JSResource org.eclipse.n4js.resource.N4JSResource used on opensource projects

Example 11 with N4JSResource

use of org.eclipse.n4js.resource.N4JSResource in project n4js by eclipse.

the class EcmaScriptSubGenerator method getCompileResultAsText.

// note: following method is only used for testing
@Override
public String getCompileResultAsText(Script root, GeneratorOption[] options) {
    final Resource resource = root.eResource();
    if (!(resource instanceof N4JSResource)) {
        throw new IllegalArgumentException("given script must be contained in an N4JSResource");
    }
    final N4JSResource resourceCasted = (N4JSResource) resource;
    final Writer buffCode = new StringWriter();
    getTranspiler().transpile(resourceCasted, options, buffCode, Optional.absent());
    return buffCode.toString();
}

Example 12 with N4JSResource

use of org.eclipse.n4js.resource.N4JSResource in project n4js by eclipse.

the class PrettyPrinter method print.

/**
 * Serialize the intermediate model in the given transpiler state to <code>outCode</code> and emit source maps to
 * <code>optSourceMapData</code>.
 *
 * @param optPreamble
 *            an optional preamble that will be prepended to the output code. Use '\n' as line separator. If absent,
 *            no preamble will be prepended.<br>
 *            If present, a single line break will be used to separate the preamble from the main output, but
 *            additional line feed characters may be added at the end of the preamble string if empty lines are
 *            desired between preamble and main output.
 */
public void print(TranspilerState state, Writer outCode, Optional<String> optPreamble, Optional<SourceMapInfo> optSourceMapInfo) throws IOException {
    final boolean emitSourceMaps = optSourceMapInfo.isPresent();
    final SourceMapAwareAppendable out = new SourceMapAwareAppendable(outCode, INDENT, emitSourceMaps);
    if (optPreamble.isPresent()) {
        // #append(CharSequence) will convert '\n' to correct line separator
        out.append(optPreamble.get());
        out.newLine();
    }
    PrettyPrinterSwitch.append(out, state);
    if (emitSourceMaps) {
        final SourceMapInfo sourceMapInfo = optSourceMapInfo.get();
        final SourceMapGenerator generator = new SourceMapGeneratorDummy();
        // append link to source maps to outCode
        out.newLine();
        out.append("//# sourceMappingURL=" + sourceMapInfo.simpleSourceMapFileName);
        out.newLine();
        // get the mappings collected by SourceMapAwareAppendable
        final List<SourceOutputMapping> mappings = new ArrayList<>(out.getSourceMapData());
        // perform some tweaks on the mappings (TEMPORARY)
        removeCatchAllMapping(mappings);
        sortMappings(mappings);
        // Convert the source/output mappings produced by SourceMapAwareAppendable to the API of the
        // Google Closure compiler source map library and add them to our SourceMapGenerator 'generator'
        final PositionProvider positionProvider = PositionProvider.from(state.resource);
        for (SourceOutputMapping m : mappings) {
            final EObject originalASTNode = state.tracer.getOriginalASTNode(m.elementInIM);
            if (// it's ok if this is null
            originalASTNode != null && originalASTNode.eResource() instanceof N4JSResource) {
                final ITextRegion region = locationInFileProvider.getSignificantTextRegion(originalASTNode);
                // get the resource and compute the path.
                final String path = sourceMapInfo.resolve((N4JSResource) originalASTNode.eResource());
                final FilePosition sourceStartPosition = positionProvider.toPosition(region.getOffset());
                generator.addMapping(path, // TODO source maps: support for original symbol name
                null, sourceStartPosition, m.outputStart, m.outputEnd);
            }
        }
        // append actual source maps to the buffer passed in via 'sourceMapInfo'
        generator.appendTo(sourceMapInfo.sourceMapBuff, sourceMapInfo.simpleCompiledFileName);
    }
}

Example 13 with N4JSResource

use of org.eclipse.n4js.resource.N4JSResource in project n4js by eclipse.

the class PreparationStep method prepare.

/**
 * Creates and initializes the transpiler state. In particular, this will create the intermediate model as a copy of
 * the original AST with some modifications (esp. rewiring of cross-references to ensure intermediate model is
 * self-contained).
 *
 * @param options
 *            the {@link GeneratorOption generator options} to use during generation.
 */
public TranspilerState prepare(Script script, GeneratorOption[] options) {
    final N4JSResource resource = (N4JSResource) script.eResource();
    final ContainerTypesHelper.MemberCollector memberCollector = containerTypesHelper.fromContext(resource);
    final Tracer tracer = new Tracer();
    final InformationRegistry info = new InformationRegistry();
    final STECache steCache = createIM(script, tracer, info);
    return new TranspilerState(resource, options, memberCollector, steCache.im, steCache, tracer, info);
}

Example 14 with N4JSResource

use of org.eclipse.n4js.resource.N4JSResource in project n4js by eclipse.

the class N4IDEXpectFileSetup method createThisResource.

/**
 * Creates {@link N4JSResource} in new {@link ResourceSet}. Created resource has uri of processed xt file and its
 * context. During creation resource factory is obtained dynamically to preserve bindings created by XPECT (see
 * {@link org.eclipse.xpect.xtext.lib.tests.ValidationTestModuleSetup#configure})
 */
@Creates(ThisResource.class)
public XtextResource createThisResource() throws IOException, CoreException {
    Entry<IFile, IProject> file2project = findTestResources();
    IFile xpectFile = file2project.getKey();
    IProject userProject = file2project.getValue();
    ResourceSet resourceSet = resourceSetProvider.get(userProject);
    URI xpectFilePlatformURI = URI.createPlatformResourceURI(xpectFile.getFullPath().toString(), ENCODE_PLATFORM_RESOURCE_URIS);
    Injector injector = IXtInjectorProvider.INSTANCE.getInjector(ctx.get(XpectJavaModel.class), xpectFilePlatformURI);
    Resource resource = injector.getInstance(IResourceFactory.class).createResource(xpectFilePlatformURI);
    resourceSet.getResources().add(resource);
    InputStream input = xpectFile.getContents();
    try {
        resource.load(input, null);
    } finally {
        if (input != null)
            input.close();
    }
    return (XtextResource) resource;
}

Example 15 with N4JSResource

use of org.eclipse.n4js.resource.N4JSResource in project n4js by eclipse.

the class ConcreteSyntaxAwareReferenceFinder method findReferences.

@Override
public void findReferences(Predicate<URI> targetURIs, Resource resource, Acceptor acceptor, IProgressMonitor monitor) {
    // make sure data is present
    keys.getData((TargetURIs) targetURIs, new SimpleResourceAccess(resource.getResourceSet()));
    EList<EObject> astContents;
    if (resource instanceof N4JSResource) {
        // In case of N4JSResource, we search only in the AST but NOT in TModule tree!
        Script script = (Script) ((N4JSResource) resource).getContents().get(0);
        astContents = new BasicEList<>();
        astContents.add(script);
    } else {
        astContents = resource.getContents();
    }
    for (EObject content : astContents) {
        findReferences(targetURIs, content, acceptor, monitor);
    }
}