JDK 11 jdk.compiler.jmod - Compiler Tool

JDK 11 jdk.compiler.jmod is the JMOD file for JDK 11 Compiler tool, which can be invoked by the "javac" command.

JDK 11 Compiler tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.compiler.jmod.

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

JDK 11 Compiler source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.compiler.

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

✍: FYIcenter

com/sun/tools/javac/util/Constants.java

/*
 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.tools.javac.util;

import com.sun.tools.javac.code.Type;

/**
 * Utilities for operating on constant values.
 *
 * <p><b>This is NOT part of any supported API.
 * If you write code that depends on this, you do so at your own risk.
 * This code and its internal interfaces are subject to change or
 * deletion without notice.</b>
 */
public class Constants {

    /**
     * Converts a constant in internal representation (in which
     * boolean, char, byte, short, and int are each represented by an
     * Integer) into standard representation.  Other values (including
     * null) are returned unchanged.
     */
    public static Object decode(Object value, Type type) {
        if (value instanceof Integer) {
            int i = (Integer) value;
            switch (type.getTag()) {
            case BOOLEAN:  return i != 0;
            case CHAR:     return (char) i;
            case BYTE:     return (byte) i;
            case SHORT:    return (short) i;
            }
        }
        return value;
    }

    /**
     * Returns a string representation of a constant value (given in
     * internal representation), quoted and formatted as in Java source.
     */
    public static String format(Object value, Type type) {
        value = decode(value, type);
        switch (type.getTag()) {
        case BYTE:      return formatByte((Byte) value);
        case LONG:      return formatLong((Long) value);
        case FLOAT:     return formatFloat((Float) value);
        case DOUBLE:    return formatDouble((Double) value);
        case CHAR:      return formatChar((Character) value);
        }
        if (value instanceof String)
            return formatString((String) value);
        return value + "";
    }

    /**
     * Returns a string representation of a constant value (given in
     * standard wrapped representation), quoted and formatted as in
     * Java source.
     */
    public static String format(Object value) {
        if (value instanceof Byte)      return formatByte((Byte) value);
        if (value instanceof Short)     return formatShort((Short) value);
        if (value instanceof Long)      return formatLong((Long) value);
        if (value instanceof Float)     return formatFloat((Float) value);
        if (value instanceof Double)    return formatDouble((Double) value);
        if (value instanceof Character) return formatChar((Character) value);
        if (value instanceof String)    return formatString((String) value);
        if (value instanceof Integer ||
            value instanceof Boolean)   return value.toString();
        else
            throw new IllegalArgumentException("Argument is not a primitive type or a string; it " +
                                               ((value == null) ?
                                                "is a null value." :
                                                "has class " +
                                                value.getClass().getName()) + "." );
    }

    private static String formatByte(byte b) {
        return String.format("(byte)0x%02x", b);
    }

    private static String formatShort(short s) {
        return String.format("(short)%d", s);
    }

    private static String formatLong(long lng) {
        return lng + "L";
    }

    private static String formatFloat(float f) {
        if (Float.isNaN(f))
            return "0.0f/0.0f";
        else if (Float.isInfinite(f))
            return (f < 0) ? "-1.0f/0.0f" : "1.0f/0.0f";
        else
            return f + "f";
    }

    private static String formatDouble(double d) {
        if (Double.isNaN(d))
            return "0.0/0.0";
        else if (Double.isInfinite(d))
            return (d < 0) ? "-1.0/0.0" : "1.0/0.0";
        else
            return d + "";
    }

    private static String formatChar(char c) {
        return '\'' + Convert.quote(c) + '\'';
    }

    private static String formatString(String s) {
        return '"' + Convert.quote(s) + '"';
    }
}

com/sun/tools/javac/util/Constants.java

 

Or download all of them as a single archive file:

File name: jdk.compiler-11.0.1-src.zip
File size: 1347269 bytes
Release date: 2018-11-04
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