Examples with TruffleBoundary com.oracle.truffle.api.CompilerDirectives.TruffleBoundary used on opensource projects

Example 6 with TruffleBoundary

use of com.oracle.truffle.api.CompilerDirectives.TruffleBoundary in project graal by oracle.

the class ToJavaNode method asJavaObject.

@TruffleBoundary
private <T> T asJavaObject(TruffleObject truffleObject, Class<T> targetType, Type genericType, Object languageContext) {
    Objects.requireNonNull(truffleObject);
    Object obj;
    if (primitive.isNull(truffleObject)) {
        if (targetType.isPrimitive()) {
            throw JavaInteropErrors.nullCoercion(languageContext, truffleObject, targetType);
        }
        return null;
    } else if (JavaObject.isJavaInstance(targetType, truffleObject)) {
        obj = JavaObject.valueOf(truffleObject);
    } else if (targetType == Object.class) {
        obj = convertToObject(truffleObject, languageContext);
    } else if (languageContext == null && targetType.isInstance(truffleObject)) {
        // legacy support for cast rather than wrap
        return targetType.cast(truffleObject);
    } else if (targetType == List.class) {
        if (primitive.hasSize(truffleObject)) {
            boolean implementsFunction = shouldImplementFunction(truffleObject);
            TypeAndClass<?> elementType = getGenericParameterType(genericType, 0);
            obj = TruffleList.create(languageContext, truffleObject, implementsFunction, elementType.clazz, elementType.type);
        } else {
            throw JavaInteropErrors.cannotConvert(languageContext, truffleObject, targetType, "Value must have array elements.");
        }
    } else if (targetType == Map.class) {
        Class<?> keyClazz = getGenericParameterType(genericType, 0).clazz;
        TypeAndClass<?> valueType = getGenericParameterType(genericType, 1);
        if (!isSupportedMapKeyType(keyClazz)) {
            throw newInvalidKeyTypeException(keyClazz);
        }
        boolean hasSize = (Number.class.isAssignableFrom(keyClazz)) && primitive.hasSize(truffleObject);
        boolean hasKeys = (keyClazz == Object.class || keyClazz == String.class) && primitive.hasKeys(truffleObject);
        if (hasKeys || hasSize) {
            boolean implementsFunction = shouldImplementFunction(truffleObject);
            obj = TruffleMap.create(languageContext, truffleObject, implementsFunction, keyClazz, valueType.clazz, valueType.type);
        } else {
            throw JavaInteropErrors.cannotConvert(languageContext, truffleObject, targetType, "Value must have members or array elements.");
        }
    } else if (targetType == Function.class) {
        TypeAndClass<?> returnType = getGenericParameterType(genericType, 1);
        if (isExecutable(truffleObject) || isInstantiable(truffleObject)) {
            obj = TruffleFunction.create(languageContext, truffleObject, returnType.clazz, returnType.type);
        } else if (!TruffleOptions.AOT && ForeignAccess.sendHasKeys(hasKeysNode, truffleObject)) {
            obj = JavaInteropReflect.newProxyInstance(targetType, truffleObject, languageContext);
        } else {
            throw JavaInteropErrors.cannotConvert(languageContext, truffleObject, targetType, "Value must be executable or instantiable.");
        }
    } else if (targetType.isArray()) {
        if (primitive.hasSize(truffleObject)) {
            obj = truffleObjectToArray(truffleObject, targetType, genericType, languageContext);
        } else {
            throw JavaInteropErrors.cannotConvert(languageContext, truffleObject, targetType, "Value must have array elements.");
        }
    } else if (!TruffleOptions.AOT && targetType.isInterface()) {
        if (JavaInterop.isJavaFunctionInterface(targetType) && (isExecutable(truffleObject) || isInstantiable(truffleObject))) {
            obj = JavaInteropReflect.asJavaFunction(targetType, truffleObject, languageContext);
        } else if (ForeignAccess.sendHasKeys(hasKeysNode, truffleObject)) {
            obj = JavaInteropReflect.newProxyInstance(targetType, truffleObject, languageContext);
        } else {
            if (languageContext == null) {
                // legacy support
                obj = JavaInteropReflect.newProxyInstance(targetType, truffleObject, languageContext);
            } else {
                throw JavaInteropErrors.cannotConvert(languageContext, truffleObject, targetType, "Value must have members.");
            }
        }
    } else {
        throw JavaInteropErrors.cannotConvert(languageContext, truffleObject, targetType, "Unsupported target type.");
    }
    assert targetType.isInstance(obj);
    return targetType.cast(obj);
}

Example 7 with TruffleBoundary

use of com.oracle.truffle.api.CompilerDirectives.TruffleBoundary in project graal by oracle.

the class ShapeImpl method getPropertyList.

/**
 * @since 0.17 or earlier
 */
@TruffleBoundary
@Override
public final List<Property> getPropertyList() {
    Property[] props = new Property[getPropertyCount()];
    int i = props.length;
    for (Iterator<Property> it = this.propertyMap.reverseOrderedValueIterator(); it.hasNext(); ) {
        Property currentProperty = it.next();
        if (!currentProperty.isHidden()) {
            props[--i] = currentProperty;
        }
    }
    return Arrays.asList(props);
}

Example 8 with TruffleBoundary

use of com.oracle.truffle.api.CompilerDirectives.TruffleBoundary in project graal by oracle.

the class ShapeImpl method getKeyList.

/**
 * @since 0.17 or earlier
 */
@TruffleBoundary
@Override
public final List<Object> getKeyList() {
    Object[] props = new Object[getPropertyCount()];
    int i = props.length;
    for (Iterator<Property> it = this.propertyMap.reverseOrderedValueIterator(); it.hasNext(); ) {
        Property currentProperty = it.next();
        if (!currentProperty.isHidden()) {
            props[--i] = currentProperty.getKey();
        }
    }
    return Arrays.asList(props);
}

Example 9 with TruffleBoundary

use of com.oracle.truffle.api.CompilerDirectives.TruffleBoundary in project graal by oracle.

the class ShapeImpl method getPropertyListInternal.

/**
 * Returns all (also hidden) Property objects in this shape.
 *
 * @param ascending desired order
 * @since 0.17 or earlier
 */
@TruffleBoundary
@Override
public final List<Property> getPropertyListInternal(boolean ascending) {
    Property[] props = new Property[this.propertyMap.size()];
    int i = ascending ? props.length : 0;
    for (Iterator<Property> it = this.propertyMap.reverseOrderedValueIterator(); it.hasNext(); ) {
        Property current = it.next();
        if (ascending) {
            props[--i] = current;
        } else {
            props[i++] = current;
        }
    }
    return Arrays.asList(props);
}

Example 10 with TruffleBoundary

use of com.oracle.truffle.api.CompilerDirectives.TruffleBoundary in project graal by oracle.

the class ShapeImpl method changeType.

/**
 * @since 0.17 or earlier
 */
@Override
@TruffleBoundary
public final ShapeImpl changeType(ObjectType newOps) {
    ObjectTypeTransition transition = new ObjectTypeTransition(newOps);
    ShapeImpl cachedShape = queryTransition(transition);
    if (cachedShape != null) {
        return layout.getStrategy().ensureValid(cachedShape);
    }
    ShapeImpl newShape = createShape(layout, sharedData, this, newOps, propertyMap, transition, allocator(), id);
    addDirectTransition(transition, newShape);
    return newShape;
}