Examples with LanguageContext com.oracle.truffle.api.test.polyglot.LanguageSPITestLanguage.LanguageContext used on opensource projects

Example 1 with LanguageContext

use of com.oracle.truffle.api.test.polyglot.LanguageSPITestLanguage.LanguageContext in project graal by oracle.

the class LanguageSPITest method testPolyglotBindingsPreserveLanguage.

@Test
public void testPolyglotBindingsPreserveLanguage() {
    ProxyLanguage.setDelegate(new ProxyLanguage() {

        @Override
        protected CallTarget parse(ParsingRequest request) throws Exception {
            return Truffle.getRuntime().createCallTarget(new RootNode(languageInstance) {

                @Override
                public Object execute(VirtualFrame frame) {
                    Object bindings = getCurrentContext(ProxyLanguage.class).env.getPolyglotBindings();
                    try {
                        ForeignAccess.sendWrite(Message.WRITE.createNode(), (TruffleObject) bindings, "exportedValue", "convertOnToString");
                    } catch (UnknownIdentifierException | UnsupportedTypeException | UnsupportedMessageException e) {
                        throw new AssertionError(e);
                    }
                    return bindings;
                }
            });
        }

        @Override
        protected String toString(LanguageContext context, Object value) {
            if (value.equals("convertOnToString")) {
                return "myStringToString";
            }
            return super.toString(context, value);
        }
    });
    Context c = Context.create();
    c.eval(ProxyLanguage.ID, "");
    assertEquals("Make sure language specific toString was invoked.", "myStringToString", c.getPolyglotBindings().getMember("exportedValue").toString());
}

Example 2 with LanguageContext

use of com.oracle.truffle.api.test.polyglot.LanguageSPITestLanguage.LanguageContext in project graal by oracle.

the class LanguageSPITest method testExportSymbolInCreate.

@SuppressWarnings("deprecation")
@Test
public void testExportSymbolInCreate() {
    ProxyLanguage.setDelegate(new ProxyLanguage() {

        @Override
        protected LanguageContext createContext(com.oracle.truffle.api.TruffleLanguage.Env env) {
            env.exportSymbol("symbol", env.asGuestValue(env));
            return super.createContext(env);
        }
    });
    Context c = Context.create();
    c.initialize(ProxyLanguage.ID);
    assertTrue(c.importSymbol("symbol").isHostObject());
    c.close();
}

Example 3 with LanguageContext

use of com.oracle.truffle.api.test.polyglot.LanguageSPITestLanguage.LanguageContext in project graal by oracle.

the class LanguageSPITest method testErrorInFindMetaObject.

@Test
public void testErrorInFindMetaObject() {
    ProxyLanguage.setDelegate(new ProxyLanguage() {

        @Override
        protected Object findMetaObject(LanguageContext context, Object value) {
            throw new RuntimeException();
        }

        @Override
        protected CallTarget parse(com.oracle.truffle.api.TruffleLanguage.ParsingRequest request) throws Exception {
            return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(42));
        }
    });
    Context c = Context.create();
    Value v = c.eval(ProxyLanguage.ID, "");
    testFails(() -> v.getMetaObject());
    testFails(() -> v.getMetaObject());
    c.close();
}

Example 4 with LanguageContext

use of com.oracle.truffle.api.test.polyglot.LanguageSPITestLanguage.LanguageContext in project graal by oracle.

the class LanguageSPITest method testCloseInnerContextWithParent.

@Test
public void testCloseInnerContextWithParent() {
    Context context = Context.create();
    LanguageContext returnedInnerContext = eval(context, new Function<Env, Object>() {

        public Object apply(Env env) {
            TruffleContext innerContext = env.newContextBuilder().build();
            Object p = innerContext.enter();
            LanguageContext innerLangContext = LanguageSPITestLanguage.getContext();
            innerContext.leave(p);
            return innerLangContext;
        }
    }).asHostObject();
    context.close();
    // inner context automatically closed
    assertEquals(1, returnedInnerContext.disposeCalled);
}

Example 5 with LanguageContext

use of com.oracle.truffle.api.test.polyglot.LanguageSPITestLanguage.LanguageContext in project graal by oracle.

the class LanguageSPITest method testCreateThreadDuringDispose.

@Test
public void testCreateThreadDuringDispose() {
    AtomicBoolean contextOnFinalize = new AtomicBoolean(true);
    AtomicBoolean contextOnDispose = new AtomicBoolean(false);
    ProxyLanguage.setDelegate(new ProxyLanguage() {

        @Override
        protected LanguageContext createContext(Env env) {
            return new LanguageContext(env);
        }

        @Override
        protected void finalizeContext(LanguageContext context) {
            if (contextOnFinalize.get()) {
                context.env.createThread(() -> {
                }).start();
            }
        }

        @Override
        protected void disposeContext(LanguageContext context) {
            if (contextOnDispose.get()) {
                context.env.createThread(() -> {
                }).start();
            }
        }
    });
    Context c = Context.create();
    c.initialize(ProxyLanguage.ID);
    // Fails on finalize
    testFails(() -> {
        c.close();
    });
    contextOnFinalize.set(false);
    contextOnDispose.set(true);
    // Fails on dispose
    testFails(() -> {
        c.close();
    });
    // clean up the context
    contextOnDispose.set(false);
    c.close();
}