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.

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com/sun/tools/javac/code/TypeTag.java

/*
 * Copyright (c) 1999, 2014, 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.code;

import com.sun.source.tree.Tree.Kind;

import javax.lang.model.type.TypeKind;

import static com.sun.tools.javac.code.TypeTag.NumericClasses.*;

/** An interface for type tag values, which distinguish between different
 *  sorts of types.
 *
 *  <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 enum TypeTag {
    /** The tag of the basic type `byte'.
     */
    BYTE(BYTE_CLASS, BYTE_SUPERCLASSES, true),

    /** The tag of the basic type `char'.
     */
    CHAR(CHAR_CLASS, CHAR_SUPERCLASSES, true),

    /** The tag of the basic type `short'.
     */
    SHORT(SHORT_CLASS, SHORT_SUPERCLASSES, true),

    /** The tag of the basic type `long'.
     */
    LONG(LONG_CLASS, LONG_SUPERCLASSES, true),

    /** The tag of the basic type `float'.
     */
    FLOAT(FLOAT_CLASS, FLOAT_SUPERCLASSES, true),
    /** The tag of the basic type `int'.
     */
    INT(INT_CLASS, INT_SUPERCLASSES, true),
    /** The tag of the basic type `double'.
     */
    DOUBLE(DOUBLE_CLASS, DOUBLE_CLASS, true),
    /** The tag of the basic type `boolean'.
     */
    BOOLEAN(0, 0, true),

    /** The tag of the type `void'.
     */
    VOID,

    /** The tag of all class and interface types.
     */
    CLASS,

    /** The tag of all array types.
     */
    ARRAY,

    /** The tag of all (monomorphic) method types.
     */
    METHOD,

    /** The tag of all package "types".
     */
    PACKAGE,

    /** The tag of all module "types".
     */
    MODULE,

    /** The tag of all (source-level) type variables.
     */
    TYPEVAR,

    /** The tag of all type arguments.
     */
    WILDCARD,

    /** The tag of all polymorphic (method-) types.
     */
    FORALL,

    /** The tag of deferred expression types in method context
     */
    DEFERRED,

    /** The tag of the bottom type {@code <null>}.
     */
    BOT,

    /** The tag of a missing type.
     */
    NONE,

    /** The tag of the error type.
     */
    ERROR,

    /** The tag of an unknown type
     */
    UNKNOWN,

    /** The tag of all instantiatable type variables.
     */
    UNDETVAR,

    /** Pseudo-types, these are special tags
     */
    UNINITIALIZED_THIS,

    UNINITIALIZED_OBJECT;

    final int superClasses;
    final int numericClass;
    final boolean isPrimitive;

    private TypeTag() {
        this(0, 0, false);
    }

    private TypeTag(int numericClass, int superClasses, boolean isPrimitive) {
        this.superClasses = superClasses;
        this.numericClass = numericClass;
        this.isPrimitive = isPrimitive;
    }

    public static class NumericClasses {
        public static final int BYTE_CLASS = 1;
        public static final int CHAR_CLASS = 2;
        public static final int SHORT_CLASS = 4;
        public static final int INT_CLASS = 8;
        public static final int LONG_CLASS = 16;
        public static final int FLOAT_CLASS = 32;
        public static final int DOUBLE_CLASS = 64;

        static final int BYTE_SUPERCLASSES = BYTE_CLASS | SHORT_CLASS | INT_CLASS |
                LONG_CLASS | FLOAT_CLASS | DOUBLE_CLASS;

        static final int CHAR_SUPERCLASSES = CHAR_CLASS | INT_CLASS |
                LONG_CLASS | FLOAT_CLASS | DOUBLE_CLASS;

        static final int SHORT_SUPERCLASSES = SHORT_CLASS | INT_CLASS |
                LONG_CLASS | FLOAT_CLASS | DOUBLE_CLASS;

        static final int INT_SUPERCLASSES = INT_CLASS | LONG_CLASS | FLOAT_CLASS | DOUBLE_CLASS;

        static final int LONG_SUPERCLASSES = LONG_CLASS | FLOAT_CLASS | DOUBLE_CLASS;

        static final int FLOAT_SUPERCLASSES = FLOAT_CLASS | DOUBLE_CLASS;
    }

    public boolean isStrictSubRangeOf(TypeTag tag) {
        /*  Please don't change the implementation of this method to call method
         *  isSubRangeOf. Both methods are called from hotspot code, the current
         *  implementation is better performance-wise than the commented modification.
         */
        return (this.superClasses & tag.numericClass) != 0 && this != tag;
    }

    public boolean isSubRangeOf(TypeTag tag) {
        return (this.superClasses & tag.numericClass) != 0;
    }

    /** Returns the number of type tags.
     */
    public static int getTypeTagCount() {
        // last two tags are not included in the total as long as they are pseudo-types
        return (UNDETVAR.ordinal() + 1);
    }

    public Kind getKindLiteral() {
        switch (this) {
        case INT:
            return Kind.INT_LITERAL;
        case LONG:
            return Kind.LONG_LITERAL;
        case FLOAT:
            return Kind.FLOAT_LITERAL;
        case DOUBLE:
            return Kind.DOUBLE_LITERAL;
        case BOOLEAN:
            return Kind.BOOLEAN_LITERAL;
        case CHAR:
            return Kind.CHAR_LITERAL;
        case CLASS:
            return Kind.STRING_LITERAL;
        case BOT:
            return Kind.NULL_LITERAL;
        default:
            throw new AssertionError("unknown literal kind " + this);
        }
    }

    public TypeKind getPrimitiveTypeKind() {
        switch (this) {
        case BOOLEAN:
            return TypeKind.BOOLEAN;
        case BYTE:
            return TypeKind.BYTE;
        case SHORT:
            return TypeKind.SHORT;
        case INT:
            return TypeKind.INT;
        case LONG:
            return TypeKind.LONG;
        case CHAR:
            return TypeKind.CHAR;
        case FLOAT:
            return TypeKind.FLOAT;
        case DOUBLE:
            return TypeKind.DOUBLE;
        case VOID:
            return TypeKind.VOID;
        default:
            throw new AssertionError("unknown primitive type " + this);
        }
    }

    /** Returns true if the given value is within the allowed range for this type. */
    public boolean checkRange(int value) {
        switch (this) {
            case BOOLEAN:
                return 0 <= value && value <= 1;
            case BYTE:
                return Byte.MIN_VALUE <= value && value <= Byte.MAX_VALUE;
            case CHAR:
                return Character.MIN_VALUE <= value && value <= Character.MAX_VALUE;
            case SHORT:
                return Short.MIN_VALUE <= value && value <= Short.MAX_VALUE;
            case INT:
                return true;
            default:
                throw new AssertionError();
        }
    }
}

com/sun/tools/javac/code/TypeTag.java

 

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