com.oracle.truffle.api.interop.java.WriteFieldNodeGen Maven / Gradle / Ivy

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

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

@GeneratedBy(WriteFieldNode.class)
final class WriteFieldNodeGen extends WriteFieldNode {

    @CompilationFinal private int state_;
    @CompilationFinal private int exclude_;
    @CompilationFinal private CachedData cached_cache;

    private WriteFieldNodeGen() {
    }

    @ExplodeLoop(kind = LoopExplosionKind.FULL_EXPLODE_UNTIL_RETURN)
    @Override
    public void execute(JavaFieldDesc arg0Value, JavaObject arg1Value, Object arg2Value) {
        int state = state_;
        if (state != 0 /* is-active doCached(SingleFieldDesc, JavaObject, Object, SingleFieldDesc) || doUncached(SingleFieldDesc, JavaObject, Object) */ && arg0Value instanceof SingleFieldDesc) {
            SingleFieldDesc arg0Value_ = (SingleFieldDesc) arg0Value;
            if ((state & 0b1) != 0 /* is-active doCached(SingleFieldDesc, JavaObject, Object, SingleFieldDesc) */) {
                CachedData s1_ = this.cached_cache;
                while (s1_ != null) {
                    if ((arg0Value_ == s1_.cachedField_)) {
                        doCached(arg0Value_, arg1Value, arg2Value, s1_.cachedField_);
                        return;
                    }
                    s1_ = s1_.next_;
                }
            }
            if ((state & 0b10) != 0 /* is-active doUncached(SingleFieldDesc, JavaObject, Object) */) {
                doUncached(arg0Value_, arg1Value, arg2Value);
                return;
            }
        }
        CompilerDirectives.transferToInterpreterAndInvalidate();
        executeAndSpecialize(arg0Value, arg1Value, arg2Value);
        return;
    }

    private void executeAndSpecialize(JavaFieldDesc arg0Value, JavaObject arg1Value, Object arg2Value) {
        Lock lock = getLock();
        boolean hasLock = true;
        lock.lock();
        int state = state_;
        int exclude = exclude_;
        try {
            if (arg0Value instanceof SingleFieldDesc) {
                SingleFieldDesc arg0Value_ = (SingleFieldDesc) arg0Value;
                if ((exclude) == 0 /* is-not-excluded doCached(SingleFieldDesc, JavaObject, Object, SingleFieldDesc) */) {
                    int count1_ = 0;
                    CachedData s1_ = this.cached_cache;
                    if ((state & 0b1) != 0 /* is-active doCached(SingleFieldDesc, JavaObject, Object, SingleFieldDesc) */) {
                        while (s1_ != null) {
                            if ((arg0Value_ == s1_.cachedField_)) {
                                break;
                            }
                            s1_ = s1_.next_;
                            count1_++;
                        }
                    }
                    if (s1_ == null) {
                        // assert (arg0Value_ == s1_.cachedField_);
                        if (count1_ < (WriteFieldNode.LIMIT)) {
                            s1_ = new CachedData(cached_cache);
                            s1_.cachedField_ = (arg0Value_);
                            this.cached_cache = s1_;
                            this.state_ = state = state | 0b1 /* add-active doCached(SingleFieldDesc, JavaObject, Object, SingleFieldDesc) */;
                        }
                    }
                    if (s1_ != null) {
                        lock.unlock();
                        hasLock = false;
                        doCached(arg0Value_, arg1Value, arg2Value, s1_.cachedField_);
                        return;
                    }
                }
                this.exclude_ = exclude = exclude | 0b1 /* add-excluded doCached(SingleFieldDesc, JavaObject, Object, SingleFieldDesc) */;
                this.cached_cache = null;
                state = state & 0xfffffffe /* remove-active doCached(SingleFieldDesc, JavaObject, Object, SingleFieldDesc) */;
                this.state_ = state = state | 0b10 /* add-active doUncached(SingleFieldDesc, JavaObject, Object) */;
                lock.unlock();
                hasLock = false;
                doUncached(arg0Value_, arg1Value, arg2Value);
                return;
            }
            CompilerDirectives.transferToInterpreterAndInvalidate();
            throw new UnsupportedSpecializationException(this, new Node[] {null, null, null}, arg0Value, arg1Value, arg2Value);
        } 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  */) {
            CachedData s1_ = this.cached_cache;
            if ((s1_ == null || s1_.next_ == null)) {
                return NodeCost.MONOMORPHIC;
            }
        }
        return NodeCost.POLYMORPHIC;
    }

    public static WriteFieldNode create() {
        return new WriteFieldNodeGen();
    }

    @GeneratedBy(WriteFieldNode.class)
    private static final class CachedData {

        @CompilationFinal CachedData next_;
        @CompilationFinal SingleFieldDesc cachedField_;

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

    }
}