com.oracle.truffle.sl.builtins.SLReadlnBuiltinFactory Maven / Gradle / Ivy

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Truffle SL is an example language implemented using the Truffle API.
There is a newer version: 24.1.1
// CheckStyle: start generated
package com.oracle.truffle.sl.builtins;

import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.TruffleLanguage.ContextReference;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.dsl.NodeFactory;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.NodeCost;
import com.oracle.truffle.sl.SLLanguage;
import com.oracle.truffle.sl.nodes.SLExpressionNode;
import com.oracle.truffle.sl.runtime.SLContext;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.locks.Lock;

@GeneratedBy(SLReadlnBuiltin.class)
@SuppressWarnings("unused")
public final class SLReadlnBuiltinFactory implements NodeFactory {

    private static final SLReadlnBuiltinFactory INSTANCE = new SLReadlnBuiltinFactory();

    private SLReadlnBuiltinFactory() {
    }

    @Override
    public Class getNodeClass() {
        return SLReadlnBuiltin.class;
    }

    @Override
    public List> getExecutionSignature() {
        return Arrays.asList();
    }

    @Override
    public List>> getNodeSignatures() {
        return Arrays.asList(Arrays.asList(SLExpressionNode[].class));
    }

    @Override
    public SLReadlnBuiltin createNode(Object... arguments) {
        if (arguments.length == 1 && (arguments[0] == null || arguments[0] instanceof SLExpressionNode[])) {
            return create((SLExpressionNode[]) arguments[0]);
        } else {
            throw new IllegalArgumentException("Invalid create signature.");
        }
    }

    public static NodeFactory getInstance() {
        return INSTANCE;
    }

    public static SLReadlnBuiltin create(SLExpressionNode[] arguments) {
        return new SLReadlnBuiltinNodeGen(arguments);
    }

    @GeneratedBy(SLReadlnBuiltin.class)
    public static final class SLReadlnBuiltinNodeGen extends SLReadlnBuiltin {

        @CompilationFinal private volatile int state_;
        @CompilationFinal private ContextReference sLLanguageContextReference_;

        private SLReadlnBuiltinNodeGen(SLExpressionNode[] arguments) {
        }

        @Override
        protected Object execute(VirtualFrame frameValue) {
            int state = state_;
            if (state != 0 /* is-active readln(SLContext) */) {
                {
                    ContextReference sLLanguageContextReference__ = this.sLLanguageContextReference_;
                    SLContext context__ = sLLanguageContextReference__.get();
                    return readln(context__);
                }
            }
            CompilerDirectives.transferToInterpreterAndInvalidate();
            return executeAndSpecialize();
        }

        private String executeAndSpecialize() {
            Lock lock = getLock();
            boolean hasLock = true;
            lock.lock();
            int state = state_;
            try {
                {
                    SLContext context__ = null;
                    ContextReference sLLanguageContextReference__1 = this.sLLanguageContextReference_;
                    if (sLLanguageContextReference__1 == null) {
                        this.sLLanguageContextReference_ = sLLanguageContextReference__1 = super.lookupContextReference(SLLanguage.class);
                    }
                    context__ = sLLanguageContextReference__1.get();
                    this.state_ = state = state | 0b1 /* add-active readln(SLContext) */;
                    lock.unlock();
                    hasLock = false;
                    return readln(context__);
                }
            } finally {
                if (hasLock) {
                    lock.unlock();
                }
            }
        }

        @Override
        public NodeCost getCost() {
            int state = state_;
            if (state == 0b0) {
                return NodeCost.UNINITIALIZED;
            } else {
                return NodeCost.MONOMORPHIC;
            }
        }

    }
}