JDK 11 jdk.scripting.nashorn.jmod is the JMOD file for JDK 11 Scripting Nashorn module.

JDK 11 Scripting Nashorn module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.scripting.nashorn.jmod.

JDK 11 Scripting Nashorn module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Scripting Nashorn module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.scripting.nashorn.

You can click and view the content of each source code file in the list below.

⏎ jdk/nashorn/internal/ir/OptimisticLexicalContext.java

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package jdk.nashorn.internal.ir;

import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Deque;
import java.util.List;
import jdk.nashorn.internal.codegen.types.Type;

/**
 * Lexical context that keeps track of optimistic assumptions (if any)
 * made during code generation. Used from Attr and FinalizeTypes
 */
public class OptimisticLexicalContext extends LexicalContext {

    private final boolean isEnabled;

    class Assumption {
        Symbol symbol;
        Type   type;

        Assumption(final Symbol symbol, final Type type) {
            this.symbol = symbol;
            this.type   = type;
        }
        @Override
        public String toString() {
            return symbol.getName() + "=" + type;
        }
    }

    /** Optimistic assumptions that could be made per function */
    private final Deque<List<Assumption>> optimisticAssumptions = new ArrayDeque<>();

    /**
     * Constructor
     * @param isEnabled are optimistic types enabled?
     */
    public OptimisticLexicalContext(final boolean isEnabled) {
        super();
        this.isEnabled = isEnabled;
    }

    /**
     * Are optimistic types enabled
     * @return true if optimistic types
     */
    public boolean isEnabled() {
        return isEnabled;
    }

    /**
     * Log an optimistic assumption during codegen
     * TODO : different parameters and more info about the assumption for future profiling
     * needs
     * @param symbol symbol
     * @param type   type
     */
    public void logOptimisticAssumption(final Symbol symbol, final Type type) {
        if (isEnabled) {
            final List<Assumption> peek = optimisticAssumptions.peek();
            peek.add(new Assumption(symbol, type));
        }
    }

    /**
     * Get the list of optimistic assumptions made
     * @return optimistic assumptions
     */
    public List<Assumption> getOptimisticAssumptions() {
        return Collections.unmodifiableList(optimisticAssumptions.peek());
    }

    /**
     * Does this method have optimistic assumptions made during codegen?
     * @return true if optimistic assumptions were made
     */
    public boolean hasOptimisticAssumptions() {
        return !optimisticAssumptions.isEmpty() && !getOptimisticAssumptions().isEmpty();
    }

    @Override
    public <T extends LexicalContextNode> T push(final T node) {
        if (isEnabled) {
            if(node instanceof FunctionNode) {
                optimisticAssumptions.push(new ArrayList<Assumption>());
            }
        }

        return super.push(node);
    }

    @Override
    public <T extends Node> T pop(final T node) {
        final T popped = super.pop(node);
        if (isEnabled) {
            if(node instanceof FunctionNode) {
                optimisticAssumptions.pop();
            }
        }
        return popped;
    }

}

⏎ jdk/nashorn/internal/ir/OptimisticLexicalContext.java

Or download all of them as a single archive file:

File name: jdk.scripting.nashorn-11.0.1-src.zip
File size: 1390965 bytes
Release date: 2018-11-04
Download 

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