Examples with MetaborgException org.metaborg.core.MetaborgException used on opensource projects

Example 16 with MetaborgException

use of org.metaborg.core.MetaborgException in project spoofax by metaborg.

the class LanguageSpecificationPrimitive method call.

@Override
protected IStrategoTerm call(IStrategoTerm current, Strategy[] svars, IStrategoTerm[] tvars, ITermFactory factory, IContext context) throws MetaborgException {
    final IProject project = context.project();
    if (project == null) {
        return null;
    }
    if (languageSpecServiceProvider == null) {
        // Indicates that meta-Spoofax is not available (ISpoofaxLanguageSpecService cannot be injected), but this
        // should never happen because this primitive is inside meta-Spoofax. Check for null just in case.
        logger.error("Language specification service is not available; static injection failed");
        return null;
    }
    final ISpoofaxLanguageSpecService languageSpecService = languageSpecServiceProvider.get();
    if (!languageSpecService.available(project)) {
        return null;
    }
    final ISpoofaxLanguageSpec languageSpec;
    try {
        languageSpec = languageSpecService.get(project);
    } catch (ConfigException e) {
        throw new MetaborgException("Unable to get language specification configuration for " + project, e);
    }
    if (languageSpec == null) {
        return null;
    }
    final IStrategoString nameTerm = factory.makeString(languageSpec.config().name());
    final LanguageIdentifier id = languageSpec.config().identifier();
    final IStrategoString groupIdTerm = factory.makeString(id.groupId);
    final IStrategoString idTerm = factory.makeString(id.id);
    final IStrategoString versionTerm = factory.makeString(id.version.toString());
    final IStrategoString locationTerm = factory.makeString(languageSpec.location().getName().getURI());
    return factory.makeTuple(nameTerm, groupIdTerm, idTerm, versionTerm, locationTerm);
}

Example 17 with MetaborgException

use of org.metaborg.core.MetaborgException in project spoofax by metaborg.

the class LegacyLanguageSpecNamePrimitive method call.

@Override
protected IStrategoTerm call(IStrategoTerm current, Strategy[] svars, IStrategoTerm[] tvars, ITermFactory factory, IContext context) throws MetaborgException {
    final FileObject location = context.location();
    final IProject project = projectService.get(location);
    if (project == null) {
        return null;
    }
    if (languageSpecServiceProvider == null) {
        // Indicates that meta-Spoofax is not available (ISpoofaxLanguageSpecService cannot be injected), but this
        // should never happen because this primitive is inside meta-Spoofax. Check for null just in case.
        logger.debug("Language specification service is not available; static injection failed");
        return null;
    }
    final ISpoofaxLanguageSpecService languageSpecService = languageSpecServiceProvider.get();
    if (!languageSpecService.available(project)) {
        return null;
    }
    final ISpoofaxLanguageSpec languageSpec;
    try {
        languageSpec = languageSpecService.get(project);
    } catch (ConfigException e) {
        throw new MetaborgException("Unable to get language specification name for " + location, e);
    }
    if (languageSpec == null) {
        return null;
    }
    return factory.makeString(languageSpec.config().name());
}

Example 18 with MetaborgException

use of org.metaborg.core.MetaborgException in project spoofax by metaborg.

the class LanguageIdentifierService method identifyToResource.

@Override
@Nullable
public IdentifiedResource identifyToResource(FileObject resource, Iterable<? extends ILanguageImpl> impls) {
    // Ignore directories.
    try {
        if (resource.getType() == FileType.FOLDER) {
            return null;
        }
    } catch (FileSystemException e) {
        logger.error("Cannot identify {}, cannot determine its file type", e, resource);
        return null;
    }
    // Try to identify using the dialect identifier first.
    try {
        final IdentifiedDialect dialect = dialectIdentifier.identify(resource);
        if (dialect != null) {
            return new IdentifiedResource(resource, dialect);
        }
    } catch (MetaborgException e) {
        logger.error("Cannot identify dialect of {}", e, resource);
        return null;
    } catch (MetaborgRuntimeException e) {
    // Ignore
    }
    // Identify using identification facet.
    final Set<ILanguage> identifiedLanguages = Sets.newLinkedHashSet();
    ILanguageImpl identifiedImpl = null;
    for (ILanguageImpl impl : impls) {
        if (identify(resource, impl)) {
            identifiedLanguages.add(impl.belongsTo());
            identifiedImpl = impl;
        }
    }
    if (identifiedLanguages.size() > 1) {
        throw new IllegalStateException("Resource " + resource + " identifies to multiple languages: " + Joiner.on(", ").join(identifiedLanguages));
    }
    if (identifiedImpl == null) {
        return null;
    }
    return new IdentifiedResource(resource, null, identifiedImpl);
}

Example 19 with MetaborgException

use of org.metaborg.core.MetaborgException in project spoofax by metaborg.

the class Menu method action.

@Override
@Nullable
public IAction action(String name) throws MetaborgException {
    final List<IAction> actions = Lists.newLinkedList();
    for (IMenuItem item : items) {
        if (item instanceof IMenuAction && name.equals(item.name())) {
            final IMenuAction menuAction = (IMenuAction) item;
            final IAction action = menuAction.action();
            actions.add(action);
        }
    }
    final int size = actions.size();
    if (size == 0) {
        return null;
    } else if (size > 1) {
        final String message = String.format("Found multiple actions with name %s: %s", name, Joiner.on(", ").join(actions));
        throw new MetaborgException(message);
    }
    return actions.get(0);
}

Example 20 with MetaborgException

use of org.metaborg.core.MetaborgException in project spoofax by metaborg.

the class ServiceModulePluginLoader method modules.

@Override
public Iterable<Module> modules() throws MetaborgException {
    try {
        final ServiceLoader<T> modulePlugins = ServiceLoader.load(serviceClass);
        final Collection<Module> modules = Lists.newLinkedList();
        for (T plugin : modulePlugins) {
            Iterables.addAll(modules, plugin.modules());
        }
        return modules;
    } catch (Exception e) {
        throw new MetaborgException("Unhandled exception while loading module plugins with Java's ServiceLoader", e);
    }
}