com.oracle.truffle.api.debug.SetThreadSuspensionEnabledNodeGen Maven / Gradle / Ivy

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// CheckStyle: start generated
package com.oracle.truffle.api.debug;

import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.debug.DebuggerSession.ThreadSuspension;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.api.nodes.NodeCost;
import com.oracle.truffle.api.nodes.ExplodeLoop.LoopExplosionKind;
import java.util.concurrent.locks.Lock;

@GeneratedBy(SetThreadSuspensionEnabledNode.class)
final class SetThreadSuspensionEnabledNodeGen extends SetThreadSuspensionEnabledNode {

    @CompilationFinal private int state_;
    @CompilationFinal private int exclude_;
    @CompilationFinal private ExecuteCachedData executeCached_cache;

    private SetThreadSuspensionEnabledNodeGen() {
    }

    @ExplodeLoop(kind = LoopExplosionKind.FULL_EXPLODE_UNTIL_RETURN)
    @Override
    protected void execute(boolean arg0Value, DebuggerSession[] arg1Value, long arg2Value) {
        int state = state_;
        if (state != 0 /* is-active executeCached(boolean, DebuggerSession[], long, long, ThreadSuspension) || executeGeneric(boolean, DebuggerSession[], long) */) {
            if ((state & 0b1) != 0 /* is-active executeCached(boolean, DebuggerSession[], long, long, ThreadSuspension) */ && (arg1Value.length == 1)) {
                ExecuteCachedData s1_ = this.executeCached_cache;
                while (s1_ != null) {
                    if ((arg2Value == s1_.currentThreadId_)) {
                        executeCached(arg0Value, arg1Value, arg2Value, s1_.currentThreadId_, s1_.threadSuspension_);
                        return;
                    }
                    s1_ = s1_.next_;
                }
            }
            if ((state & 0b10) != 0 /* is-active executeGeneric(boolean, DebuggerSession[], long) */) {
                executeGeneric(arg0Value, arg1Value, arg2Value);
                return;
            }
        }
        CompilerDirectives.transferToInterpreterAndInvalidate();
        executeAndSpecialize(arg0Value, arg1Value, arg2Value);
        return;
    }

    private void executeAndSpecialize(boolean arg0Value, DebuggerSession[] arg1Value, long arg2Value) {
        Lock lock = getLock();
        boolean hasLock = true;
        lock.lock();
        int state = state_;
        int exclude = exclude_;
        try {
            if ((exclude) == 0 /* is-not-excluded executeCached(boolean, DebuggerSession[], long, long, ThreadSuspension) */ && (arg1Value.length == 1)) {
                int count1_ = 0;
                ExecuteCachedData s1_ = this.executeCached_cache;
                if ((state & 0b1) != 0 /* is-active executeCached(boolean, DebuggerSession[], long, long, ThreadSuspension) */) {
                    while (s1_ != null) {
                        if ((arg2Value == s1_.currentThreadId_)) {
                            break;
                        }
                        s1_ = s1_.next_;
                        count1_++;
                    }
                }
                if (s1_ == null) {
                    {
                        long currentThreadId__ = (SetThreadSuspensionEnabledNode.currentThreadId());
                        if ((arg2Value == currentThreadId__) && count1_ < (SetThreadSuspensionEnabledNode.CACHE_LIMIT)) {
                            s1_ = new ExecuteCachedData(executeCached_cache);
                            s1_.currentThreadId_ = currentThreadId__;
                            s1_.threadSuspension_ = (getThreadSuspension(arg1Value));
                            this.executeCached_cache = s1_;
                            this.state_ = state = state | 0b1 /* add-active executeCached(boolean, DebuggerSession[], long, long, ThreadSuspension) */;
                        }
                    }
                }
                if (s1_ != null) {
                    lock.unlock();
                    hasLock = false;
                    executeCached(arg0Value, arg1Value, arg2Value, s1_.currentThreadId_, s1_.threadSuspension_);
                    return;
                }
            }
            this.exclude_ = exclude = exclude | 0b1 /* add-excluded executeCached(boolean, DebuggerSession[], long, long, ThreadSuspension) */;
            this.executeCached_cache = null;
            state = state & 0xfffffffe /* remove-active executeCached(boolean, DebuggerSession[], long, long, ThreadSuspension) */;
            this.state_ = state = state | 0b10 /* add-active executeGeneric(boolean, DebuggerSession[], long) */;
            lock.unlock();
            hasLock = false;
            executeGeneric(arg0Value, arg1Value, arg2Value);
            return;
        } finally {
            if (hasLock) {
                lock.unlock();
            }
        }
    }

    @Override
    public NodeCost getCost() {
        int state = state_;
        if (state == 0b0) {
            return NodeCost.UNINITIALIZED;
        } else if ((state & (state - 1)) == 0 /* is-single-active  */) {
            ExecuteCachedData s1_ = this.executeCached_cache;
            if ((s1_ == null || s1_.next_ == null)) {
                return NodeCost.MONOMORPHIC;
            }
        }
        return NodeCost.POLYMORPHIC;
    }

    public static SetThreadSuspensionEnabledNode create() {
        return new SetThreadSuspensionEnabledNodeGen();
    }

    @GeneratedBy(SetThreadSuspensionEnabledNode.class)
    private static final class ExecuteCachedData {

        @CompilationFinal ExecuteCachedData next_;
        @CompilationFinal long currentThreadId_;
        @CompilationFinal ThreadSuspension threadSuspension_;

        ExecuteCachedData(ExecuteCachedData next_) {
            this.next_ = next_;
        }

    }
}