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

Example 6 with N4JSResource

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

the class AbstractN4JSCore method loadModuleFromIndex.

@Override
public TModule loadModuleFromIndex(final ResourceSet resourceSet, final IResourceDescription resourceDescription, boolean allowFullLoad) {
    final URI resourceURI = resourceDescription.getURI();
    Resource resource = resourceSet.getResource(resourceURI, false);
    if (resource instanceof N4JSResource) {
        final N4JSResource resourceCasted = (N4JSResource) resource;
        final Script existingScript = resourceCasted.getScript();
        final TModule existingModule = resourceCasted.getModule();
        if (existingModule != null) {
            // -> simply return that
            return existingModule;
        } else if (existingScript != null && !existingScript.eIsProxy()) {
            // resource exists already and it already has its AST loaded (though no TModule yet)
            // -> we have to create the TModule from that AST instead of loading it from index
            // trigger installation of derived state (i.e. types builder)
            resourceCasted.installDerivedState(false);
            return resourceCasted.getModule();
        }
    }
    if (resource == null) {
        resource = resourceSet.createResource(resourceURI);
    }
    if (resource instanceof N4JSResource) {
        if (resource.getContents().isEmpty()) {
            final N4JSResource casted = (N4JSResource) resource;
            try {
                if (casted.loadFromDescription(resourceDescription)) {
                    casted.performPostProcessing();
                    return casted.getModule();
                } else if (allowFullLoad) {
                    casted.unload();
                    casted.load(resourceSet.getLoadOptions());
                    casted.installDerivedState(false);
                    return casted.getModule();
                }
            } catch (final Exception e) {
                casted.unload();
                return null;
            }
        }
    }
    return null;
}

Example 7 with N4JSResource

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

the class N4JSPostProcessor method performPostProcessing.

@Override
public void performPostProcessing(PostProcessingAwareResource resource, CancelIndicator cancelIndicator) {
    final N4JSResource resourceCasted = (N4JSResource) resource;
    final ASTMetaInfoCache cache = createASTMetaInfoCache(resourceCasted);
    try {
        postProcessN4JSResource(resourceCasted, cancelIndicator);
    } catch (Throwable th) {
        operationCanceledManager.propagateIfCancelException(th);
        if (cache.hasBrokenAST()) {
        // swallow exception, AST is broken due to parse error anyway
        } else {
            // make sure this error is being reported, even if exception will be suppressed by calling code!
            UtilN4.reportError("exception while post-processing resource " + resource.getURI(), th);
            throw th;
        }
    } finally {
        cache.clearTemporaryData();
    }
}

Example 8 with N4JSResource

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

the class ResourceLoadingStatistics method countN4JSResourcesLoadedFromAST.

private int countN4JSResourcesLoadedFromAST(ResourceSet resSet) {
    int n = 0;
    for (Resource res : resSet.getResources()) {
        if (!isBuiltInResource(res)) {
            if (res instanceof N4JSResource) {
                final N4JSResource resCasted = (N4JSResource) res;
                final Script script = resCasted.getScript();
                if (script != null && !script.eIsProxy()) {
                    n++;
                }
            }
        }
    }
    return n;
}

Example 9 with N4JSResource

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

the class ResourceLoadingStatistics method investigate.

private FileLoadInfo investigate(IN4JSProject project, URI fileURI, IProgressMonitor monitor) {
    final CancelIndicator cancelIndicator = new MonitorBasedCancelIndicator(monitor);
    operationCanceledManager.checkCanceled(cancelIndicator);
    final ResourceSet resSet = n4jsCore.createResourceSet(Optional.of(project));
    final N4JSResource res = (N4JSResource) resSet.createResource(fileURI);
    try {
        res.load(Collections.emptyMap());
    } catch (IOException e) {
        e.printStackTrace();
    }
    // trigger loading of AST
    res.getContents();
    res.resolveLazyCrossReferences(cancelIndicator);
    // now start counting what was loaded incidentally ...
    return investigate(resSet);
}

Example 10 with N4JSResource

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

the class ResourceLoadingStatistics method countN4JSResourcesLoadedFromIndex.

private int countN4JSResourcesLoadedFromIndex(ResourceSet resSet) {
    int n = 0;
    for (Resource res : resSet.getResources()) {
        if (!isBuiltInResource(res)) {
            if (res instanceof N4JSResource) {
                final N4JSResource resCasted = (N4JSResource) res;
                final Script script = resCasted.getScript();
                final TModule module = resCasted.getModule();
                if (script != null && script.eIsProxy() && module != null && !module.eIsProxy()) {
                    n++;
                }
            }
        }
    }
    return n;
}