com.oracle.truffle.js.nodes.binary.JSConcatStringsNodeGen Maven / Gradle / Ivy

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

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.NeverDefault;
import com.oracle.truffle.api.dsl.InlineSupport.InlineTarget;
import com.oracle.truffle.api.dsl.InlineSupport.StateField;
import com.oracle.truffle.api.dsl.InlineSupport.UnsafeAccessedField;
import com.oracle.truffle.api.profiles.InlinedBranchProfile;
import com.oracle.truffle.api.strings.TruffleString;
import com.oracle.truffle.api.strings.TruffleString.ConcatNode;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import java.util.Objects;

/**
 * Debug Info:  *   Specialization {@link JSConcatStringsNode#doConcat}
 *     Activation probability: 1.00000
 *     With/without class size: 28/5 bytes
 * 
 */
@GeneratedBy(JSConcatStringsNode.class)
@SuppressWarnings("javadoc")
public final class JSConcatStringsNodeGen extends JSConcatStringsNode {

    private static final StateField STATE_0_JSConcatStringsNode_UPDATER = StateField.create(MethodHandles.lookup(), "state_0_");
    /**
     * Source Info:      *   Specialization: {@link JSConcatStringsNode#doConcat}
     *   Parameter: {@link InlinedBranchProfile} errorBranch
     *   Inline method: {@link InlinedBranchProfile#inline}
     */
    private static final InlinedBranchProfile INLINED_ERROR_BRANCH_ = InlinedBranchProfile.inline(InlineTarget.create(InlinedBranchProfile.class, STATE_0_JSConcatStringsNode_UPDATER.subUpdater(1, 1)));

    /**
     * State Info:      *   0: SpecializationActive {@link JSConcatStringsNode#doConcat}
     *   1: InlinedCache
     *        Specialization: {@link JSConcatStringsNode#doConcat}
     *        Parameter: {@link InlinedBranchProfile} errorBranch
     *        Inline method: {@link InlinedBranchProfile#inline}
     * 
     */
    @CompilationFinal @UnsafeAccessedField private int state_0_;
    /**
     * Source Info:      *   Specialization: {@link JSConcatStringsNode#doConcat}
     *   Parameter: {@link ConcatNode} concatNode
     */
    @Child private ConcatNode concatNode_;

    private JSConcatStringsNodeGen(int stringLengthLimit) {
        super(stringLengthLimit);
    }

    @Override
    public TruffleString executeTString(TruffleString arg0Value, TruffleString arg1Value) {
        int state_0 = this.state_0_;
        if ((state_0 & 0b1) != 0 /* is SpecializationActive[JSConcatStringsNode.doConcat(TruffleString, TruffleString, InlinedBranchProfile, ConcatNode)] */) {
            {
                ConcatNode concatNode__ = this.concatNode_;
                if (concatNode__ != null) {
                    return doConcat(arg0Value, arg1Value, INLINED_ERROR_BRANCH_, concatNode__);
                }
            }
        }
        CompilerDirectives.transferToInterpreterAndInvalidate();
        return executeAndSpecialize(arg0Value, arg1Value);
    }

    private TruffleString executeAndSpecialize(TruffleString arg0Value, TruffleString arg1Value) {
        int state_0 = this.state_0_;
        ConcatNode concatNode__ = this.insert((ConcatNode.create()));
        Objects.requireNonNull(concatNode__, "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.concatNode_ = concatNode__;
        state_0 = state_0 | 0b1 /* add SpecializationActive[JSConcatStringsNode.doConcat(TruffleString, TruffleString, InlinedBranchProfile, ConcatNode)] */;
        this.state_0_ = state_0;
        return doConcat(arg0Value, arg1Value, INLINED_ERROR_BRANCH_, concatNode__);
    }

    @NeverDefault
    public static JSConcatStringsNode create(int stringLengthLimit) {
        return new JSConcatStringsNodeGen(stringLengthLimit);
    }

}