Examples with Nullable org.checkerframework.checker.nullness.qual.Nullable used on opensource projects

Example 96 with Nullable

use of org.checkerframework.checker.nullness.qual.Nullable in project SpongeCommon by SpongePowered.

the class SpongeBlockEntityArchetype method apply.

@Override
public Optional<BlockEntity> apply(final ServerLocation location) {
    final BlockState currentState = location.block();
    final Block currentBlock = ((net.minecraft.world.level.block.state.BlockState) currentState).getBlock();
    final Block newBlock = ((net.minecraft.world.level.block.state.BlockState) this.blockState).getBlock();
    final Level minecraftWorld = (net.minecraft.world.level.Level) location.world();
    final BlockPos blockpos = VecHelper.toBlockPos(location);
    if (currentBlock != newBlock) {
        ((org.spongepowered.api.world.World) minecraftWorld).setBlock(blockpos.getX(), blockpos.getY(), blockpos.getZ(), this.blockState, BlockChangeFlags.ALL);
    }
    final CompoundTag compound = this.compound.copy();
    final net.minecraft.world.level.block.entity.@Nullable BlockEntity tileEntity = minecraftWorld.getBlockEntity(blockpos);
    if (tileEntity == null) {
        return Optional.empty();
    }
    compound.putInt(Constants.TileEntity.X_POS, blockpos.getX());
    compound.putInt(Constants.TileEntity.Y_POS, blockpos.getY());
    compound.putInt(Constants.TileEntity.Z_POS, blockpos.getZ());
    tileEntity.load((net.minecraft.world.level.block.state.BlockState) currentState, compound);
    tileEntity.clearCache();
    return Optional.of((org.spongepowered.api.block.entity.BlockEntity) tileEntity);
}

Example 97 with Nullable

use of org.checkerframework.checker.nullness.qual.Nullable in project SpongeCommon by SpongePowered.

the class SpongeEventManager method createRegistration.

@SuppressWarnings({ "unchecked", "rawtypes" })
private static <T extends Event> RegisteredListener<T> createRegistration(final PluginContainer plugin, final Type eventType, final Order order, final boolean beforeModifications, final EventListener<? super T> handler) {
    @Nullable Type genericType = null;
    final Class<?> erased = GenericTypeReflector.erase(eventType);
    if (GenericEvent.class.isAssignableFrom(erased)) {
        genericType = TypeTokenUtil.typeArgumentFromSupertype(eventType, GenericEvent.class, 0);
    }
    return new RegisteredListener(plugin, new EventType(erased, genericType), order, handler, beforeModifications);
}

Example 98 with Nullable

use of org.checkerframework.checker.nullness.qual.Nullable in project SpongeCommon by SpongePowered.

the class PhaseTracker method popCauseFrame.

@Override
public void popCauseFrame(final StackFrame oldFrame) {
    checkNotNull(oldFrame, "oldFrame");
    this.enforceMainThread();
    @Nullable final SpongeCauseStackFrame frame = this.frames.peek();
    if (frame != oldFrame) {
        // If the given frame is not the top frame then some form of
        // corruption of the stack has occurred and we do our best to correct
        // it.
        // If the target frame is still in the stack then we can pop frames
        // off the stack until we reach it, otherwise we have no choice but
        // to simply throw an error.
        int offset = -1;
        int i = 0;
        for (final SpongeCauseStackFrame f : this.frames) {
            if (f == oldFrame) {
                offset = i;
                break;
            }
            i++;
        }
        if (!PhaseTracker.DEBUG_CAUSE_FRAMES && offset == -1) {
            // that was erroneously popped.
            throw new IllegalStateException("Cause Stack Frame Corruption! Attempted to pop a frame that was not on the stack.");
        }
        final PrettyPrinter printer = new PrettyPrinter(100).add("Cause Stack Frame Corruption!").centre().hr().add("Found %d frames left on the stack. Clearing them all.", new Object[] { offset + 1 });
        if (!PhaseTracker.DEBUG_CAUSE_FRAMES) {
            printer.add().add("Please add -Dsponge.debugcauseframes=true to your startup flags to enable further debugging output.");
            SpongeCommon.logger().warn("  Add -Dsponge.debugcauseframes to your startup flags to enable further debugging output.");
        } else {
            printer.add().add("Attempting to pop frame:").add(frame.stackDebug).add().add("Frames being popped are:").add(((SpongeCauseStackFrame) oldFrame).stackDebug);
        }
        while (offset >= 0) {
            @Nullable final SpongeCauseStackFrame f = this.frames.peek();
            if (PhaseTracker.DEBUG_CAUSE_FRAMES && offset > 0) {
                printer.add("   Stack frame in position %d :", new Object[] { offset });
                printer.add(f.stackDebug);
            }
            this.popCauseFrame(f);
            offset--;
        }
        printer.trace(System.err, SpongeCommon.logger(), Level.ERROR);
        if (offset == -1) {
            // so we throw an exception.
            throw new IllegalStateException("Cause Stack Frame Corruption! Attempted to pop a frame that was not on the stack.");
        }
        return;
    }
    this.frames.pop();
    // Remove new values
    for (final Map.Entry<EventContextKey<?>, Object> entry : frame.getOriginalContextDelta().entrySet()) {
        this.cached_ctx = null;
        if (entry.getValue() == null) {
            // wasn't present before, remove
            this.ctx.remove(entry.getKey());
        } else {
            // was there, replace
            this.ctx.put(entry.getKey(), entry.getValue());
        }
    }
    // If there were any objects left on the stack then we pop them off
    while (this.cause.size() > this.min_depth) {
        final int index = this.cause.size();
        // there was a duplicate cause pushed prior to the frame being popped.
        if (this.duplicateCauses.length > index) {
            // At this point, we now need to "clean" the duplicate causes array of duplicates
            // to avoid potentially pruning earlier frame's potentially duplicate causes.
            // And of course, reset the number of duplicates in the entry.
            this.duplicateCauses[index] = 0;
        }
        this.cause.pop();
        // and clear the cached causes
        this.cached_cause = null;
    }
    this.min_depth = frame.old_min_depth;
    final int size = this.cause.size();
    if (this.duplicateCauses.length > size) {
        // Then set the last cause index to whatever the size of the entry was at the time.
        this.duplicateCauses[size] = frame.lastCauseSize;
    }
    // finally, return the frame to the pool
    if (this.framePool.size() < PhaseTracker.MAX_POOL_SIZE) {
        // cache it, but also call clear so we remove references to
        // other objects that may go out of scope
        frame.clear();
        this.framePool.push(frame);
    }
}

Example 99 with Nullable

use of org.checkerframework.checker.nullness.qual.Nullable in project SpongeCommon by SpongePowered.

the class PhaseTracker method completePhase.

@SuppressWarnings({ "rawtypes", "unused", "try" })
void completePhase(final PhaseContext<?> context) {
    if (context.createdTracker != this && Thread.currentThread() != this.getSidedThread()) {
        // lol no, report the block change properly
        new PrettyPrinter(60).add("Illegal Async PhaseTracker Access").centre().hr().addWrapped(PhasePrinter.ASYNC_TRACKER_ACCESS).add().add(new Exception("Async Block Change Detected")).log(SpongeCommon.logger(), Level.ERROR);
        return;
    }
    final PhaseContext<?> currentContext = this.stack.peek();
    final IPhaseState<?> state = currentContext.state;
    final boolean isEmpty = this.stack.isEmpty();
    if (isEmpty) {
        // The random occurrence that we're told to complete a phase
        // while a world is being changed unknowingly.
        PhasePrinter.printEmptyStackOnCompletion(currentContext);
        return;
    }
    if (context.state != state) {
        PhasePrinter.printIncorrectPhaseCompletion(this.stack, context.state, state);
        // The phase on the top of the stack was most likely never completed.
        // Since we don't know when and where completePhase was intended to be called for it,
        // we simply pop it to allow processing to continue (somewhat) as normal
        this.stack.pop();
        return;
    }
    if (SpongeConfigs.getCommon().get().phaseTracker.verbose) {
        if (this.stack.checkForRunaways(GeneralPhase.Post.UNWINDING, null)) {
            // This printing is to detect possibilities of a phase not being cleared properly
            // and resulting in a "runaway" phase state accumulation.
            PhasePrinter.printRunAwayPhaseCompletion(this.stack, state);
        }
    }
    final boolean hasCaptures = currentContext.hasCaptures();
    try (@Nullable final UnwindingPhaseContext unwinding = UnwindingPhaseContext.unwind(currentContext, hasCaptures)) {
        // a new list of capture lists
        try {
            // loss of objects
            if (hasCaptures) {
                ((IPhaseState) state).unwind(currentContext);
            }
        } catch (final Exception e) {
            PhasePrinter.printMessageWithCaughtException(this.stack, "Exception Exiting Phase", "Something happened when trying to unwind", state, currentContext, e);
        }
    } catch (final Exception e) {
        PhasePrinter.printMessageWithCaughtException(this.stack, "Exception Post Dispatching Phase", "Something happened when trying to post dispatch state", state, currentContext, e);
    }
    this.checkPhaseContextProcessed(state, currentContext);
    // If pop is called, the Deque will already throw an exception if there is no element
    // so it's an error properly handled.
    this.stack.pop();
}

Example 100 with Nullable

use of org.checkerframework.checker.nullness.qual.Nullable in project SpongeCommon by SpongePowered.

the class PhaseTracker method validateBlockForNeighborNotification.

public static Block validateBlockForNeighborNotification(final ServerLevel worldServer, final BlockPos pos, @Nullable Block blockIn, final BlockPos otherPos, final LevelChunk chunk) {
    if (blockIn == null) {
        // If the block is null, check with the PhaseState to see if it can perform a safe way
        final PhaseContext<?> currentContext = PhaseTracker.getInstance().getPhaseContext();
        final PhaseTrackerCategory trackerConfig = SpongeConfigs.getCommon().get().phaseTracker;
        if (currentContext.state == TickPhase.Tick.TILE_ENTITY) {
            // Try to save ourselves
            @Nullable final BlockEntity source = (BlockEntity) currentContext.getSource();
            @Nullable final BlockEntityType<?> type = Optional.ofNullable(source).map(BlockEntity::getType).orElse(null);
            if (type != null) {
                @Nullable ResourceLocation id = BlockEntityType.getKey(type);
                if (id == null) {
                    id = new ResourceLocation(source.getClass().getCanonicalName());
                }
                final Map<String, Boolean> autoFixedTiles = trackerConfig.autoFixNullSourceBlockProvidingBlockEntities;
                final boolean contained = autoFixedTiles.containsKey(type.toString());
                // based on whether the source is the same as the TileEntity.
                if (!contained) {
                    autoFixedTiles.put(id.toString(), pos.equals(source.getBlockPos()));
                }
                final boolean useTile = contained && autoFixedTiles.get(id.toString());
                if (useTile) {
                    blockIn = source.getBlockState().getBlock();
                } else {
                    blockIn = (pos.getX() >> 4 == chunk.getPos().x && pos.getZ() >> 4 == chunk.getPos().z) ? chunk.getBlockState(pos).getBlock() : worldServer.getBlockState(pos).getBlock();
                }
                if (!contained && trackerConfig.reportNullSourceBlocksOnNeighborNotifications) {
                    PhasePrinter.printNullSourceBlockWithTile(pos, blockIn, otherPos, id, useTile, new NullPointerException("Null Source Block For TileEntity Neighbor Notification"));
                }
            } else {
                blockIn = (pos.getX() >> 4 == chunk.getPos().x && pos.getZ() >> 4 == chunk.getPos().z) ? chunk.getBlockState(pos).getBlock() : worldServer.getBlockState(pos).getBlock();
                if (trackerConfig.reportNullSourceBlocksOnNeighborNotifications) {
                    PhasePrinter.printNullSourceBlockNeighborNotificationWithNoTileSource(pos, blockIn, otherPos, new NullPointerException("Null Source Block For Neighbor Notification"));
                }
            }
        } else {
            blockIn = (pos.getX() >> 4 == chunk.getPos().x && pos.getZ() >> 4 == chunk.getPos().z) ? chunk.getBlockState(pos).getBlock() : worldServer.getBlockState(pos).getBlock();
            if (trackerConfig.reportNullSourceBlocksOnNeighborNotifications) {
                PhasePrinter.printNullSourceForBlock(worldServer, pos, blockIn, otherPos, new NullPointerException("Null Source Block For Neighbor Notification"));
            }
        }
    }
    return blockIn;
}