Examples with Specialization com.oracle.truffle.api.dsl.Specialization used on opensource projects

Example 1 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project TrufflePascal by Aspect26.

the class ReadBuiltinNode method read.

@Specialization
public void read(Object[] arguments) {
    this.input = PascalLanguage.INSTANCE.findContext().getInput();
    if (arguments.length == 0) {
        readOne();
    }
    FileValue file = tryGetFileValue((Reference) arguments[0]);
    if (file != null) {
        read(file, Arrays.copyOfRange(arguments, 1, arguments.length));
    } else {
        read(null, arguments);
    }
}

Example 2 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project graal by oracle.

the class NodeParser method initializeFallbackReachability.

private static void initializeFallbackReachability(NodeData node) {
    List<SpecializationData> specializations = node.getSpecializations();
    SpecializationData fallback = null;
    for (int i = specializations.size() - 1; i >= 0; i--) {
        SpecializationData specialization = specializations.get(i);
        if (specialization.isFallback() && specialization.getMethod() != null) {
            fallback = specialization;
            break;
        }
    }
    if (fallback == null) {
        // no need to compute reachability
        return;
    }
    for (int index = 0; index < specializations.size(); index++) {
        SpecializationData specialization = specializations.get(index);
        SpecializationData lastReachable = specialization;
        for (int searchIndex = index + 1; searchIndex < specializations.size(); searchIndex++) {
            SpecializationData search = specializations.get(searchIndex);
            if (search == fallback) {
                // reached the end of the specialization
                break;
            }
            assert lastReachable != search;
            if (!lastReachable.isReachableAfter(search)) {
                lastReachable = search;
            } else if (search.getReplaces().contains(specialization)) {
                lastReachable = search;
            }
        }
        specialization.setReachesFallback(lastReachable == specialization);
        List<SpecializationData> failedSpecializations = null;
        if (specialization.isReachesFallback() && !specialization.getCaches().isEmpty() && !specialization.getGuards().isEmpty()) {
            boolean guardBoundByCache = false;
            for (GuardExpression guard : specialization.getGuards()) {
                if (specialization.isGuardBoundWithCache(guard)) {
                    guardBoundByCache = true;
                    break;
                }
            }
            if (guardBoundByCache && specialization.getMaximumNumberOfInstances() > 1) {
                if (failedSpecializations == null) {
                    failedSpecializations = new ArrayList<>();
                }
                failedSpecializations.add(specialization);
            }
        }
        if (failedSpecializations != null) {
            List<String> specializationIds = failedSpecializations.stream().map((e) -> e.getId()).collect(Collectors.toList());
            fallback.addError("Some guards for the following specializations could not be negated for the @%s specialization: %s. " + "Guards cannot be negated for the @%s when they bind @%s parameters and the specialization may consist of multiple instances. " + "To fix this limit the number of instances to '1' or " + "introduce a more generic specialization declared between this specialization and the fallback. " + "Alternatively the use of @%s can be avoided by declaring a @%s with manually specified negated guards.", Fallback.class.getSimpleName(), specializationIds, Fallback.class.getSimpleName(), Cached.class.getSimpleName(), Fallback.class.getSimpleName(), Specialization.class.getSimpleName());
        }
    }
}

Example 3 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project graal by oracle.

the class SlowPathSerializeArgumentNode method genericWithPrepare.

@Specialization(replaces = "cacheType", guards = { "value != null" })
protected Object genericWithPrepare(NativeArgumentBuffer buffer, LibFFIType type, TruffleObject value, @Cached("createUnbox()") Node unbox, @Cached("createIsExecutable()") Node isExecutable, @Cached("createAsPointer()") AsPointerNode asPointer, @Cached("createRecursive()") SlowPathSerializeArgumentNode recursive) {
    Object prepared = type.slowpathPrepareArgument(value);
    if (prepared == PrepareArgument.EXECUTABLE) {
        if (ForeignAccess.sendIsExecutable(isExecutable, value)) {
            prepared = value;
        } else {
            prepared = PrepareArgument.POINTER;
        }
    }
    if (prepared == PrepareArgument.POINTER) {
        prepared = asPointer.execute(value);
    } else if (prepared == PrepareArgument.UNBOX) {
        Object unboxed;
        try {
            unboxed = ForeignAccess.sendUnbox(unbox, value);
        } catch (UnsupportedMessageException ex) {
            throw UnsupportedTypeException.raise(ex, new Object[] { value });
        }
        return recursive.execute(buffer, type, unboxed);
    }
    slowPathSerialize(buffer, type, prepared);
    return null;
}

Example 4 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project graal by oracle.

the class SLDefineFunctionBuiltin method defineFunction.

@TruffleBoundary
@Specialization
public String defineFunction(String code) {
    // @formatter:off
    Source source = Source.newBuilder(code).name("[defineFunction]").mimeType(SLLanguage.MIME_TYPE).build();
    // @formatter:on
    /* The same parsing code as for parsing the initial source. */
    getContext().getFunctionRegistry().register(source);
    return code;
}

Example 5 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project graal by oracle.

the class SLHelloEqualsWorldBuiltin method change.

@Specialization
@TruffleBoundary
public String change() {
    FrameInstance frameInstance = Truffle.getRuntime().getCallerFrame();
    Frame frame = frameInstance.getFrame(FrameAccess.READ_WRITE);
    FrameSlot slot = frame.getFrameDescriptor().findOrAddFrameSlot("hello");
    frame.setObject(slot, "world");
    return "world";
}