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

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  50 
  51     /** JDK 5, codename Tiger. */
  52     JDK1_5("1.5", 49, 0),
  53 
  54     /** JDK 6. */
  55     JDK1_6("1.6", 50, 0),
  56 
  57     /** JDK 7. */
  58     JDK1_7("1.7", 51, 0),
  59 
  60     /** JDK 8. */
  61     JDK1_8("1.8", 52, 0),
  62 
  63     /** JDK 9. */
  64     JDK1_9("1.9", 53, 0),
  65 
  66     /** JDK 10. */
  67     JDK1_10("1.10", 54, 0),
  68 
  69     /** JDK 11. */
  70     JDK1_11("11", 55, 0);



  71 
  72     private static final Context.Key<Target> targetKey = new Context.Key<>();
  73 
  74     public static Target instance(Context context) {
  75         Target instance = context.get(targetKey);
  76         if (instance == null) {
  77             Options options = Options.instance(context);
  78             String targetString = options.get(TARGET);
  79             if (targetString != null) instance = lookup(targetString);
  80             if (instance == null) instance = DEFAULT;
  81             context.put(targetKey, instance);
  82         }
  83         return instance;
  84     }
  85 
  86     public static final Target MIN = Target.JDK1_6;
  87 
  88     private static final Target MAX = values()[values().length - 1];
  89 
  90     private static final Map<String,Target> tab = new HashMap<>();
  91     static {
  92         for (Target t : values()) {
  93             tab.put(t.name, t);
  94         }
  95         tab.put("5", JDK1_5);
  96         tab.put("6", JDK1_6);
  97         tab.put("7", JDK1_7);
  98         tab.put("8", JDK1_8);
  99         tab.put("9", JDK1_9);
 100         tab.put("10", JDK1_10);
 101         tab.put("11", JDK1_11);

 102     }
 103 
 104     public final String name;
 105     public final int majorVersion;
 106     public final int minorVersion;
 107     private Target(String name, int majorVersion, int minorVersion) {
 108         this.name = name;
 109         this.majorVersion = majorVersion;
 110         this.minorVersion = minorVersion;
 111     }
 112 
 113     public static final Target DEFAULT = values()[values().length - 1];
 114 
 115     public static Target lookup(String name) {
 116         return tab.get(name);
 117     }
 118 
 119     /** Return the character to be used in constructing synthetic
 120      *  identifiers, where not specified by the JLS.
 121      */




  50 
  51     /** JDK 5, codename Tiger. */
  52     JDK1_5("1.5", 49, 0),
  53 
  54     /** JDK 6. */
  55     JDK1_6("1.6", 50, 0),
  56 
  57     /** JDK 7. */
  58     JDK1_7("1.7", 51, 0),
  59 
  60     /** JDK 8. */
  61     JDK1_8("1.8", 52, 0),
  62 
  63     /** JDK 9. */
  64     JDK1_9("1.9", 53, 0),
  65 
  66     /** JDK 10. */
  67     JDK1_10("1.10", 54, 0),
  68 
  69     /** JDK 11. */
  70     JDK1_11("11", 55, 0),
  71 
  72     /** JDK 12. */
  73     JDK1_12("12", 56, 0);
  74 
  75     private static final Context.Key<Target> targetKey = new Context.Key<>();
  76 
  77     public static Target instance(Context context) {
  78         Target instance = context.get(targetKey);
  79         if (instance == null) {
  80             Options options = Options.instance(context);
  81             String targetString = options.get(TARGET);
  82             if (targetString != null) instance = lookup(targetString);
  83             if (instance == null) instance = DEFAULT;
  84             context.put(targetKey, instance);
  85         }
  86         return instance;
  87     }
  88 
  89     public static final Target MIN = Target.JDK1_6;
  90 
  91     private static final Target MAX = values()[values().length - 1];
  92 
  93     private static final Map<String,Target> tab = new HashMap<>();
  94     static {
  95         for (Target t : values()) {
  96             tab.put(t.name, t);
  97         }
  98         tab.put("5", JDK1_5);
  99         tab.put("6", JDK1_6);
 100         tab.put("7", JDK1_7);
 101         tab.put("8", JDK1_8);
 102         tab.put("9", JDK1_9);
 103         tab.put("10", JDK1_10);
 104         tab.put("11", JDK1_11);
 105         tab.put("12", JDK1_12);
 106     }
 107 
 108     public final String name;
 109     public final int majorVersion;
 110     public final int minorVersion;
 111     private Target(String name, int majorVersion, int minorVersion) {
 112         this.name = name;
 113         this.majorVersion = majorVersion;
 114         this.minorVersion = minorVersion;
 115     }
 116 
 117     public static final Target DEFAULT = values()[values().length - 1];
 118 
 119     public static Target lookup(String name) {
 120         return tab.get(name);
 121     }
 122 
 123     /** Return the character to be used in constructing synthetic
 124      *  identifiers, where not specified by the JLS.
 125      */


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