jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/code/Source.java@005bec70ca27 (annotated)

src/share/classes/com/sun/tools/javac/code/Source.java@005bec70ca27 (annotated)

src/share/classes/com/sun/tools/javac/code/Source.java

Fri, 18 Jun 2010 15:12:04 -0700

author: jrose
date: Fri, 18 Jun 2010 15:12:04 -0700
changeset 573: 005bec70ca27
parent 554: 9d9f26857129
parent 571: f0e3ec1f9d9f
child 591: d1d7595fa824
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2002, 2006, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.javac.code;
 import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.jvm.Target;
 import javax.lang.model.SourceVersion;
 import static javax.lang.model.SourceVersion.*;
 import java.util.*;
 /** The source language version accepted.
  *
  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  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 Source {
     /** 1.0 had no inner classes, and so could not pass the JCK. */
     // public static final Source JDK1_0 =              new Source("1.0");
     /** 1.1 did not have strictfp, and so could not pass the JCK. */
     // public static final Source JDK1_1 =              new Source("1.1");
     /** 1.2 introduced strictfp. */
     JDK1_2("1.2"),
     /** 1.3 is the same language as 1.2. */
     JDK1_3("1.3"),
     /** 1.4 introduced assert. */
     JDK1_4("1.4"),
     /** 1.5 introduced generics, attributes, foreach, boxing, static import,
      *  covariant return, enums, varargs, et al. */
     JDK1_5("1.5"),
     /** 1.6 reports encoding problems as errors instead of warnings. */
     JDK1_6("1.6"),
     /** 1.7 covers the to be determined language features that will be added in JDK 7. */
     JDK1_7("1.7");
     private static final Context.Key<Source> sourceKey
         = new Context.Key<Source>();
     public static Source instance(Context context) {
         Source instance = context.get(sourceKey);
         if (instance == null) {
             Options options = Options.instance(context);
             String sourceString = options.get("-source");
             if (sourceString != null) instance = lookup(sourceString);
             if (instance == null) instance = DEFAULT;
             context.put(sourceKey, instance);
         }
         return instance;
     }
     public final String name;
     private static Map<String,Source> tab = new HashMap<String,Source>();
     static {
         for (Source s : values()) {
             tab.put(s.name, s);
         }
         tab.put("5", JDK1_5); // Make 5 an alias for 1.5
         tab.put("6", JDK1_6); // Make 6 an alias for 1.6
         tab.put("7", JDK1_7); // Make 7 an alias for 1.7
     }
     private Source(String name) {
         this.name = name;
     }
     public static final Source DEFAULT = JDK1_7;
     public static Source lookup(String name) {
         return tab.get(name);
     }
     public Target requiredTarget() {
         if (this.compareTo(JDK1_7) >= 0) return Target.JDK1_7;
         if (this.compareTo(JDK1_6) >= 0) return Target.JDK1_6;
         if (this.compareTo(JDK1_5) >= 0) return Target.JDK1_5;
         if (this.compareTo(JDK1_4) >= 0) return Target.JDK1_4;
         return Target.JDK1_1;
     }
     /** Allow encoding errors, giving only warnings. */
     public boolean allowEncodingErrors() {
         return compareTo(JDK1_6) < 0;
     }
     public boolean allowAsserts() {
         return compareTo(JDK1_4) >= 0;
     }
     public boolean allowCovariantReturns() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowGenerics() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowDiamond() {
         return compareTo(JDK1_7) >= 0;
     }
     public boolean allowMulticatch() {
         return compareTo(JDK1_7) >= 0;
     }
     public boolean allowEnums() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowForeach() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowStaticImport() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowBoxing() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowVarargs() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowAnnotations() {
         return compareTo(JDK1_5) >= 0;
     }
     // hex floating-point literals supported?
     public boolean allowHexFloats() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowAnonOuterThis() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean addBridges() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean enforceMandatoryWarnings() {
         return compareTo(JDK1_5) >= 0;
     }
     public boolean allowTypeAnnotations() {
         return compareTo(JDK1_7) >= 0;
     }
     public boolean allowBinaryLiterals() {
         return compareTo(JDK1_7) >= 0;
     }
     public boolean allowUnderscoresInLiterals() {
         return compareTo(JDK1_7) >= 0;
     }
     public boolean allowStringsInSwitch() {
         return compareTo(JDK1_7) >= 0;
     }
     // JSR 292: recognize @PolymorphicSignature on java/dyn names
     public boolean allowPolymorphicSignature() {
         return compareTo(JDK1_7) >= 0;
     }
     public static SourceVersion toSourceVersion(Source source) {
         switch(source) {
         case JDK1_2:
             return RELEASE_2;
         case JDK1_3:
             return RELEASE_3;
         case JDK1_4:
             return RELEASE_4;
         case JDK1_5:
             return RELEASE_5;
         case JDK1_6:
             return RELEASE_6;
         case JDK1_7:
             return RELEASE_7;
         default:
             return null;
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javac/code/Source.java@005bec70ca27 (annotated)

src/share/classes/com/sun/tools/javac/code/Source.java