com.oracle.truffle.js.nodes.access.HasOnlyShapePropertiesNodeGen Maven / Gradle / Ivy

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// CheckStyle: start generated
package com.oracle.truffle.js.nodes.access;

import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.dsl.DSLSupport;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.dsl.NeverDefault;
import com.oracle.truffle.api.dsl.DSLSupport.SpecializationDataNode;
import com.oracle.truffle.api.dsl.InlineSupport.ReferenceField;
import com.oracle.truffle.api.dsl.InlineSupport.UnsafeAccessedField;
import com.oracle.truffle.api.nodes.DenyReplace;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.js.runtime.JSConfig;
import com.oracle.truffle.js.runtime.JSContext;
import com.oracle.truffle.js.runtime.builtins.JSClass;
import com.oracle.truffle.js.runtime.objects.JSDynamicObject;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import java.util.Objects;

/**
 * Debug Info:  *   Specialization {@link HasOnlyShapePropertiesNode#doCached}
 *     Activation probability: 0.48333
 *     With/without class size: 13/4 bytes
 *   Specialization {@link HasOnlyShapePropertiesNode#doObjectPrototype}
 *     Activation probability: 0.33333
 *     With/without class size: 9/4 bytes
 *   Specialization {@link HasOnlyShapePropertiesNode#doUncached}
 *     Activation probability: 0.18333
 *     With/without class size: 6/0 bytes
 * 
 */
@GeneratedBy(HasOnlyShapePropertiesNode.class)
@SuppressWarnings("javadoc")
public final class HasOnlyShapePropertiesNodeGen extends HasOnlyShapePropertiesNode {

    static final ReferenceField CACHED_CACHE_UPDATER = ReferenceField.create(MethodHandles.lookup(), "cached_cache", CachedData.class);

    /**
     * State Info:      *   0: SpecializationActive {@link HasOnlyShapePropertiesNode#doCached}
     *   1: SpecializationActive {@link HasOnlyShapePropertiesNode#doUncached}
     *   2: SpecializationActive {@link HasOnlyShapePropertiesNode#doObjectPrototype}
     * 
     */
    @CompilationFinal private int state_0_;
    @UnsafeAccessedField @CompilationFinal private CachedData cached_cache;
    /**
     * Source Info:      *   Specialization: {@link HasOnlyShapePropertiesNode#doObjectPrototype}
     *   Parameter: {@link JSContext} context
     */
    @CompilationFinal private JSContext objectPrototype_context_;

    private HasOnlyShapePropertiesNodeGen() {
    }

    @ExplodeLoop
    @Override
    public boolean execute(JSDynamicObject arg0Value, JSClass arg1Value) {
        int state_0 = this.state_0_;
        if (state_0 != 0 /* is SpecializationActive[HasOnlyShapePropertiesNode.doCached(JSDynamicObject, JSClass, JSClass)] || SpecializationActive[HasOnlyShapePropertiesNode.doObjectPrototype(JSDynamicObject, JSClass, JSContext)] || SpecializationActive[HasOnlyShapePropertiesNode.doUncached(JSDynamicObject, JSClass)] */) {
            if ((state_0 & 0b1) != 0 /* is SpecializationActive[HasOnlyShapePropertiesNode.doCached(JSDynamicObject, JSClass, JSClass)] */) {
                CachedData s0_ = this.cached_cache;
                while (s0_ != null) {
                    if ((arg1Value == s0_.cachedJSClass_)) {
                        assert DSLSupport.assertIdempotence((!(HasOnlyShapePropertiesNode.isJSObjectPrototype(s0_.cachedJSClass_))));
                        return HasOnlyShapePropertiesNode.doCached(arg0Value, arg1Value, s0_.cachedJSClass_);
                    }
                    s0_ = s0_.next_;
                }
            }
            if ((state_0 & 0b100) != 0 /* is SpecializationActive[HasOnlyShapePropertiesNode.doObjectPrototype(JSDynamicObject, JSClass, JSContext)] */) {
                {
                    JSContext context__ = this.objectPrototype_context_;
                    if (context__ != null) {
                        if ((HasOnlyShapePropertiesNode.isJSObjectPrototype(arg1Value))) {
                            return HasOnlyShapePropertiesNode.doObjectPrototype(arg0Value, arg1Value, context__);
                        }
                    }
                }
            }
            if ((state_0 & 0b10) != 0 /* is SpecializationActive[HasOnlyShapePropertiesNode.doUncached(JSDynamicObject, JSClass)] */) {
                return HasOnlyShapePropertiesNode.doUncached(arg0Value, arg1Value);
            }
        }
        CompilerDirectives.transferToInterpreterAndInvalidate();
        return executeAndSpecialize(arg0Value, arg1Value);
    }

    private boolean executeAndSpecialize(JSDynamicObject arg0Value, JSClass arg1Value) {
        int state_0 = this.state_0_;
        if (((state_0 & 0b10)) == 0 /* is-not SpecializationActive[HasOnlyShapePropertiesNode.doUncached(JSDynamicObject, JSClass)] */) {
            while (true) {
                int count0_ = 0;
                CachedData s0_ = CACHED_CACHE_UPDATER.getVolatile(this);
                CachedData s0_original = s0_;
                while (s0_ != null) {
                    if ((arg1Value == s0_.cachedJSClass_)) {
                        assert DSLSupport.assertIdempotence((!(HasOnlyShapePropertiesNode.isJSObjectPrototype(s0_.cachedJSClass_))));
                        break;
                    }
                    count0_++;
                    s0_ = s0_.next_;
                }
                if (s0_ == null) {
                    {
                        JSClass cachedJSClass__ = (arg1Value);
                        // assert (arg1Value == s0_.cachedJSClass_);
                        if ((!(HasOnlyShapePropertiesNode.isJSObjectPrototype(cachedJSClass__))) && count0_ < (JSConfig.InteropLibraryLimit)) {
                            s0_ = new CachedData(s0_original);
                            s0_.cachedJSClass_ = cachedJSClass__;
                            if (!CACHED_CACHE_UPDATER.compareAndSet(this, s0_original, s0_)) {
                                continue;
                            }
                            state_0 = state_0 | 0b1 /* add SpecializationActive[HasOnlyShapePropertiesNode.doCached(JSDynamicObject, JSClass, JSClass)] */;
                            this.state_0_ = state_0;
                        }
                    }
                }
                if (s0_ != null) {
                    return HasOnlyShapePropertiesNode.doCached(arg0Value, arg1Value, s0_.cachedJSClass_);
                }
                break;
            }
        }
        if (((state_0 & 0b10)) == 0 /* is-not SpecializationActive[HasOnlyShapePropertiesNode.doUncached(JSDynamicObject, JSClass)] */) {
            if ((HasOnlyShapePropertiesNode.isJSObjectPrototype(arg1Value))) {
                JSContext context__ = (getLanguage().getJSContext());
                Objects.requireNonNull(context__, "A specialization cache returned a default value. The cache initializer must never return a default value for this cache. Use @Cached(neverDefault=false) to allow default values for this cached value or make sure the cache initializer never returns the default value.");
                VarHandle.storeStoreFence();
                this.objectPrototype_context_ = context__;
                state_0 = state_0 | 0b100 /* add SpecializationActive[HasOnlyShapePropertiesNode.doObjectPrototype(JSDynamicObject, JSClass, JSContext)] */;
                this.state_0_ = state_0;
                return HasOnlyShapePropertiesNode.doObjectPrototype(arg0Value, arg1Value, context__);
            }
        }
        this.cached_cache = null;
        this.objectPrototype_context_ = null;
        state_0 = state_0 & 0xfffffffa /* remove SpecializationActive[HasOnlyShapePropertiesNode.doCached(JSDynamicObject, JSClass, JSClass)], SpecializationActive[HasOnlyShapePropertiesNode.doObjectPrototype(JSDynamicObject, JSClass, JSContext)] */;
        state_0 = state_0 | 0b10 /* add SpecializationActive[HasOnlyShapePropertiesNode.doUncached(JSDynamicObject, JSClass)] */;
        this.state_0_ = state_0;
        return HasOnlyShapePropertiesNode.doUncached(arg0Value, arg1Value);
    }

    @NeverDefault
    public static HasOnlyShapePropertiesNode create() {
        return new HasOnlyShapePropertiesNodeGen();
    }

    @GeneratedBy(HasOnlyShapePropertiesNode.class)
    @DenyReplace
    private static final class CachedData implements SpecializationDataNode {

        @CompilationFinal final CachedData next_;
        /**
         * Source Info:          *   Specialization: {@link HasOnlyShapePropertiesNode#doCached}
         *   Parameter: {@link JSClass} cachedJSClass
         */
        @CompilationFinal JSClass cachedJSClass_;

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

    }
}