Examples with ILanguageImpl org.metaborg.core.language.ILanguageImpl used on opensource projects

Example 16 with ILanguageImpl

use of org.metaborg.core.language.ILanguageImpl in project spoofax by metaborg.

the class SpoofaxContext method parse.

@Nullable
public IStrategoTerm parse(File file) throws IOException, ParseException {
    final FileObject resource = resourceService.resolve(file);
    final ILanguageImpl language = languageIdentifierService.identify(resource);
    if (language == null) {
        return null;
    }
    final String text = sourceTextService.text(resource);
    final ISpoofaxInputUnit inputUnit = unitService.inputUnit(resource, text, language, null);
    final ISpoofaxParseUnit result = syntaxService.parse(inputUnit);
    if (!result.valid() || !result.success()) {
        return null;
    }
    final IStrategoTerm term = result.ast();
    return term;
}

Example 17 with ILanguageImpl

use of org.metaborg.core.language.ILanguageImpl in project spoofax by metaborg.

the class LanguageServiceTest method activeHigherVersion.

/**
 * Add an implementation with a higher version number, assert that the newer implementation becomes active.
 */
@Test
public void activeHigherVersion() throws Exception {
    final String id = "org.metaborg.lang.entity";
    final LanguageVersion version1 = version(0, 0, 1);
    final LanguageVersion version2 = version(0, 1, 0);
    final LanguageIdentifier identifier1 = new LanguageIdentifier(groupId, id, version1);
    final LanguageIdentifier identifier2 = new LanguageIdentifier(groupId, id, version2);
    final FileObject location1 = createDir("ram:///Entity1");
    final FileObject location2 = createDir("ram:///Entity2");
    final String name = "Entity";
    final ILanguageComponent component1 = language(identifier1, location1, name);
    final ILanguageImpl impl1 = Iterables.get(component1.contributesTo(), 0);
    final ILanguage lang = impl1.belongsTo();
    assertSame(component1, languageService.getComponent(location1.getName()));
    assertSame(impl1, languageService.getImpl(identifier1));
    assertSame(impl1, lang.activeImpl());
    assertSame(lang, languageService.getLanguage(name));
    final ILanguageComponent component2 = language(identifier2, location2, name);
    final ILanguageImpl impl2 = Iterables.get(component2.contributesTo(), 0);
    // Language 2 with higher version number becomes active.
    assertSame(component1, languageService.getComponent(location1.getName()));
    assertSame(component2, languageService.getComponent(location2.getName()));
    assertSame(impl1, languageService.getImpl(identifier1));
    assertSame(impl2, languageService.getImpl(identifier2));
    assertSame(impl2, lang.activeImpl());
    assertSame(lang, languageService.getLanguage(name));
    assertSize(1, impl1.components());
    assertSize(1, impl2.components());
    assertSize(2, lang.impls());
    assertSize(2, languageService.getAllComponents());
    assertSize(2, languageService.getAllImpls());
    assertSize(1, languageService.getAllLanguages());
}

Example 18 with ILanguageImpl

use of org.metaborg.core.language.ILanguageImpl in project spoofax by metaborg.

the class LanguageServiceTest method reloadComponent.

/**
 * Reload a single component, assert that it was reloaded and its implementations and language stays the same.
 */
@Test
public void reloadComponent() throws Exception {
    final String id = "org.metaborg.lang.entity";
    final LanguageVersion version = version(0, 0, 1);
    final FileObject location = createDir("ram:///");
    final String name = "Entity";
    // GTODO: test multiple contributing components
    final ILanguageComponent componentBefore = language(groupId, id, version, location, name);
    final ILanguageImpl implBefore = Iterables.get(componentBefore.contributesTo(), 0);
    final ILanguage langBefore = implBefore.belongsTo();
    assertSame(componentBefore, languageService.getComponent(location.getName()));
    final ILanguageComponent componentAfter = language(groupId, id, version, location, name);
    final ILanguageImpl implAfter = Iterables.get(componentAfter.contributesTo(), 0);
    final ILanguage langAfter = implAfter.belongsTo();
    // Before components are equal, but not the same object, since they are re-created.
    assertEquals(componentBefore, languageService.getComponent(location.getName()));
    assertNotSame(componentBefore, languageService.getComponent(location.getName()));
    assertEquals(componentBefore, componentAfter);
    assertNotSame(componentBefore, componentAfter);
    assertSame(componentAfter, languageService.getComponent(location.getName()));
    assertSame(implBefore, implAfter);
    assertSame(langBefore, langAfter);
}

Example 19 with ILanguageImpl

use of org.metaborg.core.language.ILanguageImpl in project spoofax by metaborg.

the class LanguageServiceTest method languageChanges.

/**
 * Add/reload/remove components, assert change events correctness.
 */
@Test
public void languageChanges() throws Exception {
    final String id1 = "org.metaborg.lang.entity.component1";
    final String id2 = "org.metaborg.lang.entity.component2";
    final String id3 = "org.metaborg.lang.entity.component3";
    final LanguageVersion version = version(0, 0, 1);
    final LanguageIdentifier identifier1 = new LanguageIdentifier(groupId, id1, version);
    final LanguageIdentifier identifier2 = new LanguageIdentifier(groupId, id2, version);
    final LanguageIdentifier identifier3 = new LanguageIdentifier(groupId, id3, version);
    final FileObject location1 = createDir("ram:///Entity1");
    final FileObject location2 = createDir("ram:///Entity2");
    final FileObject location3 = createDir("ram:///Entity3");
    final String implId1 = "org.metaborg.lang.entity.impl1";
    final String implId2 = "org.metaborg.lang.entity.impl2";
    final String implId3 = "org.metaborg.lang.entity.impl3";
    final String name = "Entity";
    final LanguageIdentifier implIdentifier1 = new LanguageIdentifier(groupId, implId1, version);
    final LanguageIdentifier implIdentifier2 = new LanguageIdentifier(groupId, implId2, version);
    final LanguageIdentifier implIdentifier3 = new LanguageIdentifier(groupId, implId3, version);
    final LanguageContributionIdentifier requestIdentifier1 = new LanguageContributionIdentifier(implIdentifier1, name);
    final LanguageContributionIdentifier requestIdentifier2 = new LanguageContributionIdentifier(implIdentifier2, name);
    final LanguageContributionIdentifier requestIdentifier3 = new LanguageContributionIdentifier(implIdentifier3, name);
    final ITestableObserver<LanguageComponentChange> compObs = new TestableObserver<LanguageComponentChange>();
    languageService.componentChanges().subscribe(compObs);
    final ITestableObserver<LanguageImplChange> implObs = new TestableObserver<LanguageImplChange>();
    languageService.implChanges().subscribe(implObs);
    // Add component1 to impl1, expect component add, impl add
    final ILanguageComponent component1 = language(identifier1, location1, requestIdentifier1);
    final ILanguageImpl impl1 = languageService.getImpl(implIdentifier1);
    assertOnNext(new LanguageComponentChange(LanguageComponentChange.Kind.Add, null, component1), compObs);
    assertOnNext(new LanguageImplChange(LanguageImplChange.Kind.Add, impl1), implObs);
    // Add component2 to impl1, expect component2 add, impl1 reload
    final ILanguageComponent component2 = language(identifier2, location2, requestIdentifier1);
    assertOnNext(new LanguageComponentChange(LanguageComponentChange.Kind.Add, null, component2), compObs);
    assertOnNext(new LanguageImplChange(LanguageImplChange.Kind.Reload, impl1), implObs);
    // Add component3 to impl1, impl2, impl3, expect component add, [impl1 reload, impl2 add, impl3 add] (order
    // unknown)
    final ILanguageComponent component3 = language(identifier3, location3, requestIdentifier1, requestIdentifier2, requestIdentifier3);
    final ILanguageImpl impl2 = languageService.getImpl(implIdentifier2);
    final ILanguageImpl impl3 = languageService.getImpl(implIdentifier3);
    assertOnNext(new LanguageComponentChange(LanguageComponentChange.Kind.Add, null, component3), compObs);
    {
        final Iterable<LanguageImplChange> changes = Iterables2.from(new LanguageImplChange(LanguageImplChange.Kind.Reload, impl1), new LanguageImplChange(LanguageImplChange.Kind.Add, impl2), new LanguageImplChange(LanguageImplChange.Kind.Add, impl3));
        assertOnNext(changes, implObs);
        assertOnNext(changes, implObs);
        assertOnNext(changes, implObs);
    }
    // Remove component1, expect component1 remove, impl1 reload
    languageService.remove(component1);
    assertOnNext(new LanguageComponentChange(LanguageComponentChange.Kind.Remove, component1, null), compObs);
    assertOnNext(new LanguageImplChange(LanguageImplChange.Kind.Reload, impl1), implObs);
    // Reload component2, contribute to impl2 now, expect component2 reload, [impl1 reload, impl2 reload] (order
    // unknown)
    final ILanguageComponent component2Reload = language(identifier2, location2, requestIdentifier2);
    assertOnNext(new LanguageComponentChange(LanguageComponentChange.Kind.Reload, component2, component2Reload), compObs);
    {
        final Iterable<LanguageImplChange> changes = Iterables2.from(new LanguageImplChange(LanguageImplChange.Kind.Reload, impl1), new LanguageImplChange(LanguageImplChange.Kind.Reload, impl2));
        assertOnNext(changes, implObs);
        assertOnNext(changes, implObs);
    }
    // Remove component3, expect component3 remove, [impl1 remove, impl2 reload, impl3 remove] (order unknown)
    languageService.remove(component3);
    assertOnNext(new LanguageComponentChange(LanguageComponentChange.Kind.Remove, component3, null), compObs);
    {
        final Iterable<LanguageImplChange> changes = Iterables2.from(new LanguageImplChange(LanguageImplChange.Kind.Remove, impl3), new LanguageImplChange(LanguageImplChange.Kind.Reload, impl2), new LanguageImplChange(LanguageImplChange.Kind.Remove, impl1));
        assertOnNext(changes, implObs);
        assertOnNext(changes, implObs);
        assertOnNext(changes, implObs);
    }
    // Remove component2, expect component2 remove, impl2 remove
    languageService.remove(component2);
    assertOnNext(new LanguageComponentChange(LanguageComponentChange.Kind.Remove, component2, null), compObs);
    assertOnNext(new LanguageImplChange(LanguageImplChange.Kind.Remove, impl2), implObs);
    assertEmpty(compObs);
    assertEmpty(implObs);
}

Example 20 with ILanguageImpl

use of org.metaborg.core.language.ILanguageImpl in project spoofax by metaborg.

the class Builder method identifyResources.

private void identifyResources(Iterable<ResourceChange> changes, BuildInput input, Multimap<ILanguageImpl, IdentifiedResourceChange> identifiedChanges, ICancel cancel) throws InterruptedException {
    final Iterable<ILanguageImpl> languages = input.buildOrder.languages();
    final FileSelector selector = input.selector;
    final FileObject location = input.project.location();
    for (ResourceChange change : changes) {
        cancel.throwIfCancelled();
        final FileObject resource = change.resource;
        if (selector != null) {
            try {
                if (!FileSelectorUtils.include(selector, resource, location)) {
                    continue;
                }
            } catch (FileSystemException e) {
                logger.error("Error determining if {} should be ignored from the build, including it", e, resource);
            }
        }
        final IdentifiedResource identifiedResource = languageIdentifier.identifyToResource(resource, languages);
        if (identifiedResource != null) {
            final IdentifiedResourceChange identifiedChange = new IdentifiedResourceChange(change, identifiedResource);
            identifiedChanges.put(identifiedChange.language, identifiedChange);
        }
    }
}