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() {
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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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 JDK_11("11");
80
81
82 private static final Context.Key<Source> sourceKey = new Context.Key<>();
83
84 public static Source instance(Context context) {
85 Source instance = context.get(sourceKey);
86 if (instance == null) {
87 Options options = Options.instance(context);
88 String sourceString = options.get(SOURCE);
89 if (sourceString != null) instance = lookup(sourceString);
90 if (instance == null) instance = DEFAULT;
91 context.put(sourceKey, instance);
92 }
93 return instance;
94 }
95
96 public final String name;
97
98 private static final Map<String,Source> tab = new HashMap<>();
99 static {
100 for (Source s : values()) {
101 tab.put(s.name, s);
102 }
103 tab.put("5", JDK1_5); // Make 5 an alias for 1.5
104 tab.put("6", JDK1_6); // Make 6 an alias for 1.6
105 tab.put("7", JDK1_7); // Make 7 an alias for 1.7
106 tab.put("8", JDK1_8); // Make 8 an alias for 1.8
107 tab.put("9", JDK1_9); // Make 9 an alias for 1.9
108 tab.put("10", JDK1_10); // Make 10 an alias for 1.10
109 tab.put("11", JDK_11);
110 }
111
112 private Source(String name) {
113 this.name = name;
114 }
115
116 public static final Source MIN = Source.JDK1_6;
117
118 private static final Source MAX = values()[values().length - 1];
119
120 public static final Source DEFAULT = JDK1_10; // MAX; - FIXME later
121
122 public static Source lookup(String name) {
123 return tab.get(name);
124 }
125
126 public Target requiredTarget() {
127 if (this.compareTo(JDK_11) >= 0) return Target.JDK_11;
128 if (this.compareTo(JDK1_10) >= 0) return Target.JDK1_10;
129 if (this.compareTo(JDK1_9) >= 0) return Target.JDK1_9;
130 if (this.compareTo(JDK1_8) >= 0) return Target.JDK1_8;
131 if (this.compareTo(JDK1_7) >= 0) return Target.JDK1_7;
132 if (this.compareTo(JDK1_6) >= 0) return Target.JDK1_6;
133 if (this.compareTo(JDK1_5) >= 0) return Target.JDK1_5;
134 if (this.compareTo(JDK1_4) >= 0) return Target.JDK1_4;
135 return Target.JDK1_1;
136 }
137
138 public boolean allowDiamond() {
139 return compareTo(JDK1_7) >= 0;
140 }
141 public boolean allowMulticatch() {
142 return compareTo(JDK1_7) >= 0;
143 }
144 public boolean allowImprovedRethrowAnalysis() {
145 return compareTo(JDK1_7) >= 0;
146 }
147 public boolean allowImprovedCatchAnalysis() {
235 public static SourceVersion toSourceVersion(Source source) {
236 switch(source) {
237 case JDK1_2:
238 return RELEASE_2;
239 case JDK1_3:
240 return RELEASE_3;
241 case JDK1_4:
242 return RELEASE_4;
243 case JDK1_5:
244 return RELEASE_5;
245 case JDK1_6:
246 return RELEASE_6;
247 case JDK1_7:
248 return RELEASE_7;
249 case JDK1_8:
250 return RELEASE_8;
251 case JDK1_9:
252 return RELEASE_9;
253 case JDK1_10:
254 return RELEASE_10;
255 case JDK_11:
256 return RELEASE_11;
257 default:
258 return null;
259 }
260 }
261 }
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