JDK 11 jdk.scripting.nashorn.jmod - Scripting Nashorn Module

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.

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jdk/nashorn/internal/codegen/CompileUnit.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.codegen;

import java.io.Serializable;
import java.util.Collection;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.TreeSet;
import jdk.nashorn.internal.ir.CompileUnitHolder;
import jdk.nashorn.internal.ir.FunctionNode;
import jdk.nashorn.internal.runtime.RecompilableScriptFunctionData;

/**
  * Used to track split class compilation. Note that instances of the class are serializable, but all fields are
  * transient, making the serialized version of the class only useful for tracking the referential topology of other
  * AST nodes referencing the same or different compile units. We do want to preserve this topology though as
  * {@link CompileUnitHolder}s in a deserialized AST will undergo reinitialization.
  */
public final class CompileUnit implements Comparable<CompileUnit>, Serializable {
    private static final long serialVersionUID = 1L;

    /** Current class name */
    private transient final String className;

    /** Current class generator */
    private transient ClassEmitter classEmitter;

    private transient long weight;

    private transient Class<?> clazz;

    private final transient Map<FunctionNode, RecompilableScriptFunctionData> functions = new IdentityHashMap<>();

    private transient boolean isUsed;

    private static int emittedUnitCount;

    CompileUnit(final String className, final ClassEmitter classEmitter, final long initialWeight) {
        this.className    = className;
        this.weight       = initialWeight;
        this.classEmitter = classEmitter;
    }

    static Set<CompileUnit> createCompileUnitSet() {
        return new TreeSet<>();
    }

    static void increaseEmitCount() {
        emittedUnitCount++;
    }

    /**
     * Get the amount of emitted compile units so far in the system
     * @return emitted compile unit count
     */
    public static int getEmittedUnitCount() {
        return emittedUnitCount;
    }

    /**
     * Check if this compile unit is used
     * @return true if tagged as in use - i.e active code that needs to be generated
     */
    public boolean isUsed() {
        return isUsed;
    }

    /**
     * Check if a compile unit has code, not counting inits and clinits
     * @return true of if there is "real code" in the compile unit
     */
    public boolean hasCode() {
        return (classEmitter.getMethodCount() - classEmitter.getInitCount() - classEmitter.getClinitCount()) > 0;
    }

    /**
     * Tag this compile unit as used
     */
    public void setUsed() {
        this.isUsed = true;
    }

    /**
     * Return the class that contains the code for this unit, null if not
     * generated yet
     *
     * @return class with compile unit code
     */
    public Class<?> getCode() {
        return clazz;
    }

    /**
     * Set class when it exists. Only accessible from compiler
     * @param clazz class with code for this compile unit
     */
    void setCode(final Class<?> clazz) {
        this.clazz = Objects.requireNonNull(clazz);
        // Revisit this - refactor to avoid null-ed out non-final fields
        // null out emitter
        this.classEmitter = null;
    }

    void addFunctionInitializer(final RecompilableScriptFunctionData data, final FunctionNode functionNode) {
        functions.put(functionNode, data);
    }

    /**
     * Returns true if this compile unit is responsible for initializing the specified function data with specified
     * function node.
     * @param data the function data to check
     * @param functionNode the function node to check
     * @return true if this unit is responsible for initializing the function data with the function node, otherwise
     * false
     */
    public boolean isInitializing(final RecompilableScriptFunctionData data, final FunctionNode functionNode) {
        return functions.get(functionNode) == data;
    }

    void initializeFunctionsCode() {
        for(final Map.Entry<FunctionNode, RecompilableScriptFunctionData> entry : functions.entrySet()) {
            entry.getValue().initializeCode(entry.getKey());
        }
    }

    Collection<FunctionNode> getFunctionNodes() {
        return Collections.unmodifiableCollection(functions.keySet());
    }

    /**
     * Add weight to this compile unit
     * @param w weight to add
     */
    void addWeight(final long w) {
        this.weight += w;
    }

    /**
     * Check if this compile unit can hold {@code weight} more units of weight
     * @param w weight to check if can be added
     * @return true if weight fits in this compile unit
     */
    public boolean canHold(final long w) {
        return (this.weight + w) < Splitter.SPLIT_THRESHOLD;
    }

    /**
     * Get the class emitter for this compile unit
     * @return class emitter
     */
    public ClassEmitter getClassEmitter() {
        return classEmitter;
    }

    /**
     * Get the class name for this compile unit
     * @return the class name
     */
    public String getUnitClassName() {
        return className;
    }

    private static String shortName(final String name) {
        return name == null ? null : name.lastIndexOf('/') == -1 ? name : name.substring(name.lastIndexOf('/') + 1);
    }

    @Override
    public String toString() {
        final String methods = classEmitter != null ? classEmitter.getMethodNames().toString() : "<anon>";
        return "[CompileUnit className=" + shortName(className) + " weight=" + weight + '/' + Splitter.SPLIT_THRESHOLD + " hasCode=" + methods + ']';
    }

    @Override
    public int compareTo(final CompileUnit o) {
        return className.compareTo(o.className);
    }
}

jdk/nashorn/internal/codegen/CompileUnit.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 

 

JDK 11 jdk.scripting.nashorn.shell.jmod - Scripting Nashorn Shell Module

JDK 11 jdk.rmic.jmod - RMI Compiler Tool

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