Examples with Meta com.oracle.truffle.espresso.meta.Meta used on opensource projects

Example 76 with Meta

use of com.oracle.truffle.espresso.meta.Meta in project graal by oracle.

the class EspressoInterop method fitsInFloat.

@ExportMessage
static boolean fitsInFloat(StaticObject receiver) {
    receiver.checkNotForeign();
    if (isNull(receiver)) {
        return false;
    }
    Klass klass = receiver.getKlass();
    if (isAtMostFloat(klass)) {
        return true;
    }
    Meta meta = klass.getMeta();
    /*
         * We might lose precision when we convert an int or a long to a float, however, we still
         * perform the conversion. This is consistent with Truffle interop, see GR-22718 for more
         * details.
         */
    if (klass == meta.java_lang_Integer) {
        int content = meta.java_lang_Integer_value.getInt(receiver);
        float floatContent = content;
        return (int) floatContent == content;
    }
    if (klass == meta.java_lang_Long) {
        long content = meta.java_lang_Long_value.getLong(receiver);
        float floatContent = content;
        return (long) floatContent == content;
    }
    if (klass == meta.java_lang_Double) {
        double content = meta.java_lang_Double_value.getDouble(receiver);
        return !Double.isFinite(content) || (float) content == content;
    }
    return false;
}

Example 77 with Meta

use of com.oracle.truffle.espresso.meta.Meta in project graal by oracle.

the class EspressoInterop method isDate.

// endregion ### Members
// region ### Date/time conversions
@ExportMessage
static boolean isDate(StaticObject receiver) {
    receiver.checkNotForeign();
    if (isNull(receiver)) {
        return false;
    }
    Meta meta = receiver.getKlass().getMeta();
    return instanceOf(receiver, meta.java_time_LocalDate) || instanceOf(receiver, meta.java_time_LocalDateTime) || instanceOf(receiver, meta.java_time_Instant) || instanceOf(receiver, meta.java_time_ZonedDateTime) || instanceOf(receiver, meta.java_util_Date);
}

Example 78 with Meta

use of com.oracle.truffle.espresso.meta.Meta in project graal by oracle.

the class MapEntryInterop method writeArrayElement.

@ExportMessage
public static void writeArrayElement(StaticObject receiver, long index, Object value, @Cached.Exclusive @Cached InvokeEspressoNode invoke) throws InvalidArrayIndexException {
    if (index != 1) {
        throw InvalidArrayIndexException.create(index);
    }
    Meta meta = receiver.getKlass().getMeta();
    Method m = doLookup(receiver, meta.java_util_Map_Entry, meta.java_util_Map_Entry_setValue);
    try {
        invoke.execute(m, receiver, new Object[] { value });
    } catch (ArityException | UnsupportedTypeException e) {
        throw EspressoError.shouldNotReachHere(e);
    }
}

Example 79 with Meta

use of com.oracle.truffle.espresso.meta.Meta in project graal by oracle.

the class MapInterop method containsKey.

private static boolean containsKey(StaticObject receiver, Object key, InvokeEspressoNode invokeContains) {
    Meta meta = receiver.getKlass().getMeta();
    Method containsKey = getInteropKlass(receiver).itableLookup(meta.java_util_Map, meta.java_util_Map_containsKey.getITableIndex());
    try {
        return (boolean) invokeContains.execute(containsKey, receiver, new Object[] { key });
    } catch (UnsupportedTypeException | ArityException e) {
        throw EspressoError.shouldNotReachHere(e);
    }
}

Example 80 with Meta

use of com.oracle.truffle.espresso.meta.Meta in project graal by oracle.

the class MapInterop method writeHashEntry.

@ExportMessage
public static void writeHashEntry(StaticObject receiver, Object key, Object value, @Cached.Exclusive @Cached InvokeEspressoNode invoke) throws UnknownKeyException {
    Meta meta = receiver.getKlass().getMeta();
    Method put = getInteropKlass(receiver).itableLookup(meta.java_util_Map, meta.java_util_Map_put.getITableIndex());
    try {
        invoke.execute(put, receiver, new Object[] { key, value });
    } catch (UnsupportedTypeException e) {
        throw UnknownKeyException.create(key);
    } catch (ArityException e) {
        throw EspressoError.shouldNotReachHere(e);
    }
}