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

Example 1 with MetaborgException

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

the class LanguageComponentFactory method esvTerm.

private IStrategoAppl esvTerm(FileObject location, FileObject esvFile) throws ParseError, IOException, MetaborgException {
    final TermReader reader = new TermReader(termFactoryService.getGeneric().getFactoryWithStorageType(IStrategoTerm.MUTABLE));
    final IStrategoTerm term = reader.parseFromStream(esvFile.getContent().getInputStream());
    if (term.getTermType() != IStrategoTerm.APPL) {
        final String message = logger.format("Cannot discover language at {}, ESV file at {} does not contain a valid ESV term", location, esvFile);
        throw new MetaborgException(message);
    }
    return (IStrategoAppl) term;
}

Example 2 with MetaborgException

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

the class LanguageComponentFactory method requestFromArchive.

@Override
public IComponentCreationConfigRequest requestFromArchive(FileObject archiveFile) throws MetaborgException {
    try {
        if (!archiveFile.exists()) {
            throw new MetaborgException(logger.format("Cannot request component creation from archive file {}, it does not exist", archiveFile));
        }
        if (!archiveFile.isFile()) {
            throw new MetaborgException(logger.format("Cannot request component creation from archive file {}, it is not a file", archiveFile));
        }
        final String archiveFileUri = archiveFile.getName().getURI();
        final FileObject archiveContents = resourceService.resolve("zip:" + archiveFileUri + "!/");
        if (!archiveContents.exists() || !archiveContents.isFolder()) {
            throw new MetaborgException(logger.format("Cannot request component creation from archive file {}, it is not a zip archive", archiveFile));
        }
        if (!componentConfigService.available(archiveContents)) {
            throw new MetaborgException(logger.format("Cannot request component creation from archive file {}, there is no component config file inside the archive", archiveFile));
        }
        return request(archiveContents);
    } catch (IOException e) {
        throw new MetaborgException(logger.format("Cannot request component creation from archive file {}, unexpected I/O error", archiveFile), e);
    }
}

Example 3 with MetaborgException

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

the class LanguageComponentFactory method createConfig.

@Override
public ComponentCreationConfig createConfig(IComponentCreationConfigRequest configRequest) throws MetaborgException {
    final ComponentFactoryRequest request = (ComponentFactoryRequest) configRequest;
    final FileObject location = request.location();
    if (!request.valid()) {
        throw new MetaborgException(request.toString());
    }
    final ILanguageComponentConfig componentConfig = request.config();
    logger.debug("Creating language component for {}", location);
    final LanguageIdentifier identifier = componentConfig.identifier();
    final Collection<LanguageContributionIdentifier> langContribs = request.config().langContribs();
    if (langContribs.isEmpty()) {
        langContribs.add(new LanguageContributionIdentifier(identifier, componentConfig.name()));
    }
    final ComponentCreationConfig config = new ComponentCreationConfig(identifier, location, langContribs, componentConfig);
    final SyntaxFacet syntaxFacet;
    if (componentConfig.sdfEnabled()) {
        syntaxFacet = request.syntaxFacet();
        if (syntaxFacet != null) {
            config.addFacet(syntaxFacet);
        }
    } else {
        syntaxFacet = null;
    }
    final StrategoRuntimeFacet strategoRuntimeFacet = request.strategoRuntimeFacet();
    if (strategoRuntimeFacet != null) {
        config.addFacet(strategoRuntimeFacet);
    }
    final IStrategoAppl esvTerm = request.esvTerm();
    if (esvTerm != null) {
        final String[] extensions = extensions(esvTerm);
        if (extensions.length != 0) {
            final Iterable<String> extensionsIterable = Iterables2.from(extensions);
            final IdentificationFacet identificationFacet = new IdentificationFacet(new ResourceExtensionsIdentifier(extensionsIterable));
            config.addFacet(identificationFacet);
            final ResourceExtensionFacet resourceExtensionsFacet = new ResourceExtensionFacet(extensionsIterable);
            config.addFacet(resourceExtensionsFacet);
        }
        if (ParseFacetFromESV.hasParser(esvTerm)) {
            config.addFacet(ParseFacetFromESV.create(esvTerm));
        } else if (syntaxFacet != null) {
            config.addFacet(new ParseFacet("jsglr"));
        }
        final boolean hasContext = ContextFacetFromESV.hasContext(esvTerm);
        final boolean hasAnalysis = AnalysisFacetFromESV.hasAnalysis(esvTerm);
        final IContextFactory contextFactory;
        final ISpoofaxAnalyzer analyzer;
        final AnalysisFacet analysisFacet;
        if (hasAnalysis) {
            final String analysisType = AnalysisFacetFromESV.type(esvTerm);
            assert analysisType != null : "Analyzer type cannot be null because hasAnalysis is true, no null check is needed.";
            analyzer = analyzers.get(analysisType);
            analysisFacet = AnalysisFacetFromESV.create(esvTerm);
            final String contextType = hasContext ? ContextFacetFromESV.type(esvTerm) : null;
            if (hasContext && contextType == null) {
                contextFactory = null;
            } else {
                final String analysisContextType;
                switch(analysisType) {
                    default:
                    case StrategoAnalyzer.name:
                        analysisContextType = LegacyContextFactory.name;
                        break;
                    case TaskEngineAnalyzer.name:
                        analysisContextType = IndexTaskContextFactory.name;
                        break;
                    case ConstraintSingleFileAnalyzer.name:
                        analysisContextType = SingleFileScopeGraphContextFactory.name;
                        break;
                    case ConstraintMultiFileAnalyzer.name:
                        analysisContextType = MultiFileScopeGraphContextFactory.name;
                        break;
                }
                if (hasContext && !analysisContextType.equals(contextType)) {
                    logger.warn("Ignoring explicit context type {}, because it is incompatible with analysis {}.", contextType, analysisType);
                }
                contextFactory = contextFactory(analysisContextType);
            }
        } else if (hasContext) {
            final String type = ContextFacetFromESV.type(esvTerm);
            contextFactory = contextFactory(type);
            analyzer = null;
            analysisFacet = null;
        } else {
            contextFactory = contextFactory(LegacyContextFactory.name);
            analyzer = null;
            analysisFacet = null;
        }
        if (contextFactory != null) {
            final IContextStrategy contextStrategy = contextStrategy(ProjectContextStrategy.name);
            config.addFacet(new ContextFacet(contextFactory, contextStrategy));
        }
        if (analyzer != null) {
            config.addFacet(new AnalyzerFacet<>(analyzer));
        }
        if (analysisFacet != null) {
            config.addFacet(analysisFacet);
        }
        final ActionFacet menusFacet = ActionFacetFromESV.create(esvTerm);
        if (menusFacet != null) {
            config.addFacet(menusFacet);
        }
        final StylerFacet stylerFacet = StylerFacetFromESV.create(esvTerm);
        if (stylerFacet != null) {
            config.addFacet(stylerFacet);
        }
        final ResolverFacet resolverFacet = ResolverFacetFromESV.createResolver(esvTerm);
        if (resolverFacet != null) {
            config.addFacet(resolverFacet);
        }
        final HoverFacet hoverFacet = ResolverFacetFromESV.createHover(esvTerm);
        if (hoverFacet != null) {
            config.addFacet(hoverFacet);
        }
        final OutlineFacet outlineFacet = OutlineFacetFromESV.create(esvTerm);
        if (outlineFacet != null) {
            config.addFacet(outlineFacet);
        }
        final ShellFacet shellFacet = ShellFacetFromESV.create(esvTerm);
        if (shellFacet != null) {
            config.addFacet(shellFacet);
        }
    }
    return config;
}

Example 4 with MetaborgException

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

the class DialectIdentifier method identify.

@Override
public IdentifiedDialect identify(FileObject resource) throws MetaborgException {
    final ILanguage strategoLanguage = languageService.getLanguage(SpoofaxConstants.LANG_STRATEGO_NAME);
    if (strategoLanguage == null) {
        final String message = logger.format("Could not find Stratego language, Stratego dialects cannot be identified for resource: {}", resource);
        throw new MetaborgRuntimeException(message);
    }
    // GTODO: use identifier service instead, but that introduces a cyclic dependency. Could use a provider.
    final ILanguageImpl strategoImpl = strategoLanguage.activeImpl();
    if (strategoImpl == null) {
        return null;
    }
    // HACK: assuming single identification facet
    final IdentificationFacet facet = strategoImpl.facet(IdentificationFacet.class);
    if (facet == null || !facet.identify(resource)) {
        return null;
    }
    try {
        final FileObject metaResource = metaResource(resource);
        if (metaResource == null) {
            return null;
        }
        final TermReader termReader = new TermReader(termFactoryService.getGeneric());
        final IStrategoTerm term = termReader.parseFromStream(metaResource.getContent().getInputStream());
        final String name = getSyntaxName(term.getSubterm(0));
        if (name == null) {
            return null;
        }
        final ILanguageImpl dialect = dialectService.getDialect(name);
        if (dialect == null) {
            final String message = String.format("Resource %s requires dialect %s, but that dialect does not exist", resource, name);
            throw new MetaborgException(message);
        }
        final ILanguageImpl base = dialectService.getBase(dialect);
        return new IdentifiedDialect(dialect, base);
    } catch (ParseError | IOException e) {
        throw new MetaborgException("Unable to open or parse .meta file", e);
    }
}

Example 5 with MetaborgException

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

the class CallStrategyPrimitive method call.

@Override
protected IStrategoTerm call(IStrategoTerm current, Strategy[] svars, IStrategoTerm[] tvars, ITermFactory factory, IContext currentContext) throws MetaborgException {
    final String languageName = Tools.asJavaString(tvars[0]);
    final String strategyName = Tools.asJavaString(tvars[1]);
    final Iterable<ILanguageComponent> compileDeps = dependencyService.compileDeps(currentContext.project());
    final Iterable<ILanguageImpl> impls = LanguageUtils.toImpls(compileDeps);
    final List<ILanguageImpl> selectedImpls = Lists.newArrayList();
    for (ILanguageImpl impl : impls) {
        if (impl.belongsTo().name().equals(languageName)) {
            selectedImpls.add(impl);
        }
    }
    if (selectedImpls.isEmpty()) {
        final String message = logger.format("Stratego strategy call of '{}' into language '{}' failed, no language implementation found", strategyName, languageName);
        throw new MetaborgException(message);
    } else if (selectedImpls.size() > 1) {
        final String message = logger.format("Stratego strategy call of '{}' into language '{}' failed, multiple language implementations found: {}", strategyName, languageName, Joiner.on(", ").join(selectedImpls));
        throw new MetaborgException(message);
    }
    final ILanguageImpl impl = selectedImpls.get(0);
    final IContext context = contextService.get(currentContext.location(), currentContext.project(), impl);
    return common.invoke(impl, context, current, strategyName);
}