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src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java

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   1 /*
   2  * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 141      */
 142     public boolean hasMethodHandles() {
 143         return hasInvokedynamic();
 144     }
 145 
 146     /** Does the target JDK contain StringConcatFactory class?
 147      */
 148     public boolean hasStringConcatFactory() {
 149         return compareTo(JDK1_9) >= 0;
 150     }
 151 
 152     /** Value of platform release used to access multi-release jar files
 153      */
 154     public String multiReleaseValue() {
 155         return Integer.toString(this.ordinal() - Target.JDK1_1.ordinal() + 1);
 156     }
 157 
 158     /** Does the target VM support nestmate access?
 159      */
 160     public boolean hasNestmateAccess() {
 161         return compareTo(JDK1_10) >= 0;
 162     }
 163 
 164     /** Does the target VM support virtual private invocations?
 165      */
 166     public boolean hasVirtualPrivateInvoke() {
 167         return compareTo(JDK1_10) >= 0;
 168     }
 169 
 170 }
   1 /*
   2  * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 141      */
 142     public boolean hasMethodHandles() {
 143         return hasInvokedynamic();
 144     }
 145 
 146     /** Does the target JDK contain StringConcatFactory class?
 147      */
 148     public boolean hasStringConcatFactory() {
 149         return compareTo(JDK1_9) >= 0;
 150     }
 151 
 152     /** Value of platform release used to access multi-release jar files
 153      */
 154     public String multiReleaseValue() {
 155         return Integer.toString(this.ordinal() - Target.JDK1_1.ordinal() + 1);
 156     }
 157 
 158     /** Does the target VM support nestmate access?
 159      */
 160     public boolean hasNestmateAccess() {
 161         return compareTo(JDK1_11) >= 0;
 162     }
 163 
 164     /** Does the target VM support virtual private invocations?
 165      */
 166     public boolean hasVirtualPrivateInvoke() {
 167         return compareTo(JDK1_11) >= 0;
 168     }
 169 
 170 }
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