53
54 /** 1.3 is the same language as 1.2. */
55 JDK1_3("1.3"),
56
57 /** 1.4 introduced assert. */
58 JDK1_4("1.4"),
59
60 /** 1.5 introduced generics, attributes, foreach, boxing, static import,
61 * covariant return, enums, varargs, et al. */
62 JDK1_5("1.5"),
63
64 /** 1.6 reports encoding problems as errors instead of warnings. */
65 JDK1_6("1.6"),
66
67 /** 1.7 introduced try-with-resources, multi-catch, string switch, etc. */
68 JDK1_7("1.7"),
69
70 /** 1.8 lambda expressions and default methods. */
71 JDK1_8("1.8"),
72
73 /** 1.9 covers the to be determined language features that will be added in JDK 9. */
74 JDK1_9("1.9");
75
76 private static final Context.Key<Source> sourceKey = new Context.Key<>();
77
78 public static Source instance(Context context) {
79 Source instance = context.get(sourceKey);
80 if (instance == null) {
81 Options options = Options.instance(context);
82 String sourceString = options.get(SOURCE);
83 if (sourceString != null) instance = lookup(sourceString);
84 if (instance == null) instance = DEFAULT;
85 context.put(sourceKey, instance);
86 }
87 return instance;
88 }
89
90 public final String name;
91
92 private static final Map<String,Source> tab = new HashMap<>();
93 static {
94 for (Source s : values()) {
95 tab.put(s.name, s);
96 }
97 tab.put("5", JDK1_5); // Make 5 an alias for 1.5
98 tab.put("6", JDK1_6); // Make 6 an alias for 1.6
99 tab.put("7", JDK1_7); // Make 7 an alias for 1.7
100 tab.put("8", JDK1_8); // Make 8 an alias for 1.8
101 tab.put("9", JDK1_9); // Make 9 an alias for 1.9
102 }
103
104 private Source(String name) {
105 this.name = name;
106 }
107
108 public static final Source MIN = Source.JDK1_6;
109
110 private static final Source MAX = values()[values().length - 1];
111
112 public static final Source DEFAULT = MAX;
113
114 public static Source lookup(String name) {
115 return tab.get(name);
116 }
117
118 public Target requiredTarget() {
119 if (this.compareTo(JDK1_9) >= 0) return Target.JDK1_9;
120 if (this.compareTo(JDK1_8) >= 0) return Target.JDK1_8;
121 if (this.compareTo(JDK1_7) >= 0) return Target.JDK1_7;
122 if (this.compareTo(JDK1_6) >= 0) return Target.JDK1_6;
123 if (this.compareTo(JDK1_5) >= 0) return Target.JDK1_5;
124 if (this.compareTo(JDK1_4) >= 0) return Target.JDK1_4;
125 return Target.JDK1_1;
126 }
127
128 public boolean allowDiamond() {
129 return compareTo(JDK1_7) >= 0;
130 }
131 public boolean allowMulticatch() {
132 return compareTo(JDK1_7) >= 0;
133 }
134 public boolean allowImprovedRethrowAnalysis() {
135 return compareTo(JDK1_7) >= 0;
136 }
137 public boolean allowImprovedCatchAnalysis() {
138 return compareTo(JDK1_7) >= 0;
223 }
224 public boolean allowPrivateInterfaceMethods() { return compareTo(JDK1_9) >= 0; }
225 public static SourceVersion toSourceVersion(Source source) {
226 switch(source) {
227 case JDK1_2:
228 return RELEASE_2;
229 case JDK1_3:
230 return RELEASE_3;
231 case JDK1_4:
232 return RELEASE_4;
233 case JDK1_5:
234 return RELEASE_5;
235 case JDK1_6:
236 return RELEASE_6;
237 case JDK1_7:
238 return RELEASE_7;
239 case JDK1_8:
240 return RELEASE_8;
241 case JDK1_9:
242 return RELEASE_9;
243 default:
244 return null;
245 }
246 }
247 }
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53
54 /** 1.3 is the same language as 1.2. */
55 JDK1_3("1.3"),
56
57 /** 1.4 introduced assert. */
58 JDK1_4("1.4"),
59
60 /** 1.5 introduced generics, attributes, foreach, boxing, static import,
61 * covariant return, enums, varargs, et al. */
62 JDK1_5("1.5"),
63
64 /** 1.6 reports encoding problems as errors instead of warnings. */
65 JDK1_6("1.6"),
66
67 /** 1.7 introduced try-with-resources, multi-catch, string switch, etc. */
68 JDK1_7("1.7"),
69
70 /** 1.8 lambda expressions and default methods. */
71 JDK1_8("1.8"),
72
73 /** 1.9 modularity. */
74 JDK1_9("1.9"),
75
76 /** 1.10 covers the to be determined language features that will be added in JDK 10. */
77 JDK1_10("1.10");
78
79 private static final Context.Key<Source> sourceKey = new Context.Key<>();
80
81 public static Source instance(Context context) {
82 Source instance = context.get(sourceKey);
83 if (instance == null) {
84 Options options = Options.instance(context);
85 String sourceString = options.get(SOURCE);
86 if (sourceString != null) instance = lookup(sourceString);
87 if (instance == null) instance = DEFAULT;
88 context.put(sourceKey, instance);
89 }
90 return instance;
91 }
92
93 public final String name;
94
95 private static final Map<String,Source> tab = new HashMap<>();
96 static {
97 for (Source s : values()) {
98 tab.put(s.name, s);
99 }
100 tab.put("5", JDK1_5); // Make 5 an alias for 1.5
101 tab.put("6", JDK1_6); // Make 6 an alias for 1.6
102 tab.put("7", JDK1_7); // Make 7 an alias for 1.7
103 tab.put("8", JDK1_8); // Make 8 an alias for 1.8
104 tab.put("9", JDK1_9); // Make 9 an alias for 1.9
105 tab.put("10", JDK1_10); // Make 10 an alias for 1.10
106 }
107
108 private Source(String name) {
109 this.name = name;
110 }
111
112 public static final Source MIN = Source.JDK1_6;
113
114 private static final Source MAX = values()[values().length - 1];
115
116 public static final Source DEFAULT = MAX;
117
118 public static Source lookup(String name) {
119 return tab.get(name);
120 }
121
122 public Target requiredTarget() {
123 if (this.compareTo(JDK1_10) >= 0) return Target.JDK1_10;
124 if (this.compareTo(JDK1_9) >= 0) return Target.JDK1_9;
125 if (this.compareTo(JDK1_8) >= 0) return Target.JDK1_8;
126 if (this.compareTo(JDK1_7) >= 0) return Target.JDK1_7;
127 if (this.compareTo(JDK1_6) >= 0) return Target.JDK1_6;
128 if (this.compareTo(JDK1_5) >= 0) return Target.JDK1_5;
129 if (this.compareTo(JDK1_4) >= 0) return Target.JDK1_4;
130 return Target.JDK1_1;
131 }
132
133 public boolean allowDiamond() {
134 return compareTo(JDK1_7) >= 0;
135 }
136 public boolean allowMulticatch() {
137 return compareTo(JDK1_7) >= 0;
138 }
139 public boolean allowImprovedRethrowAnalysis() {
140 return compareTo(JDK1_7) >= 0;
141 }
142 public boolean allowImprovedCatchAnalysis() {
143 return compareTo(JDK1_7) >= 0;
228 }
229 public boolean allowPrivateInterfaceMethods() { return compareTo(JDK1_9) >= 0; }
230 public static SourceVersion toSourceVersion(Source source) {
231 switch(source) {
232 case JDK1_2:
233 return RELEASE_2;
234 case JDK1_3:
235 return RELEASE_3;
236 case JDK1_4:
237 return RELEASE_4;
238 case JDK1_5:
239 return RELEASE_5;
240 case JDK1_6:
241 return RELEASE_6;
242 case JDK1_7:
243 return RELEASE_7;
244 case JDK1_8:
245 return RELEASE_8;
246 case JDK1_9:
247 return RELEASE_9;
248 case JDK1_10:
249 return RELEASE_10;
250 default:
251 return null;
252 }
253 }
254 }
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