196 }
197
198 private Source(String name) {
199 this.name = name;
200 }
201
202 public static final Source MIN = Source.JDK8;
203
204 private static final Source MAX = values()[values().length - 1];
205
206 public static final Source DEFAULT = MAX;
207
208 public static Source lookup(String name) {
209 return tab.get(name);
210 }
211
212 public boolean isSupported() {
213 return this.compareTo(MIN) >= 0;
214 }
215
216 public Target requiredTarget() {
217 return switch(this) {
218 case JDK27 -> Target.JDK1_27;
219 case JDK26 -> Target.JDK1_26;
220 case JDK25 -> Target.JDK1_25;
221 case JDK24 -> Target.JDK1_24;
222 case JDK23 -> Target.JDK1_23;
223 case JDK22 -> Target.JDK1_22;
224 case JDK21 -> Target.JDK1_21;
225 case JDK20 -> Target.JDK1_20;
226 case JDK19 -> Target.JDK1_19;
227 case JDK18 -> Target.JDK1_18;
228 case JDK17 -> Target.JDK1_17;
229 case JDK16 -> Target.JDK1_16;
230 case JDK15 -> Target.JDK1_15;
231 case JDK14 -> Target.JDK1_14;
232 case JDK13 -> Target.JDK1_13;
233 case JDK12 -> Target.JDK1_12;
234 case JDK11 -> Target.JDK1_11;
235 case JDK10 -> Target.JDK1_10;
262 IMPORT_ON_DEMAND_OBSERVABLE_PACKAGES(JDK1_2, JDK8),
263 SWITCH_MULTIPLE_CASE_LABELS(JDK14, Fragments.FeatureMultipleCaseLabels, DiagKind.PLURAL),
264 SWITCH_RULE(JDK14, Fragments.FeatureSwitchRules, DiagKind.PLURAL),
265 SWITCH_EXPRESSION(JDK14, Fragments.FeatureSwitchExpressions, DiagKind.PLURAL),
266 NO_TARGET_ANNOTATION_APPLICABILITY(JDK14),
267 TEXT_BLOCKS(JDK15, Fragments.FeatureTextBlocks, DiagKind.PLURAL),
268 PATTERN_MATCHING_IN_INSTANCEOF(JDK16, Fragments.FeaturePatternMatchingInstanceof, DiagKind.NORMAL),
269 REIFIABLE_TYPES_INSTANCEOF(JDK16, Fragments.FeatureReifiableTypesInstanceof, DiagKind.PLURAL),
270 RECORDS(JDK16, Fragments.FeatureRecords, DiagKind.PLURAL),
271 SEALED_CLASSES(JDK17, Fragments.FeatureSealedClasses, DiagKind.PLURAL),
272 CASE_NULL(JDK21, Fragments.FeatureCaseNull, DiagKind.NORMAL),
273 PATTERN_SWITCH(JDK21, Fragments.FeaturePatternSwitch, DiagKind.PLURAL),
274 REDUNDANT_STRICTFP(JDK17),
275 TYPE_ANNOTATIONS_ON_VAR_LAMBDA_PARAMETER(MIN, JDK19),
276 UNCONDITIONAL_PATTERN_IN_INSTANCEOF(JDK21, Fragments.FeatureUnconditionalPatternsInInstanceof, DiagKind.PLURAL),
277 RECORD_PATTERNS(JDK21, Fragments.FeatureDeconstructionPatterns, DiagKind.PLURAL),
278 IMPLICIT_CLASSES(JDK25, Fragments.FeatureImplicitClasses, DiagKind.PLURAL),
279 WARN_ON_ILLEGAL_UTF8(MIN, JDK21),
280 UNNAMED_VARIABLES(JDK22, Fragments.FeatureUnnamedVariables, DiagKind.PLURAL),
281 PRIMITIVE_PATTERNS(JDK23, Fragments.FeaturePrimitivePatterns, DiagKind.PLURAL),
282 FLEXIBLE_CONSTRUCTORS(JDK25, Fragments.FeatureFlexibleConstructors, DiagKind.NORMAL),
283 MODULE_IMPORTS(JDK25, Fragments.FeatureModuleImports, DiagKind.PLURAL),
284 JAVA_BASE_TRANSITIVE(JDK25, Fragments.FeatureJavaBaseTransitive, DiagKind.PLURAL),
285 PRIVATE_MEMBERS_IN_PERMITS_CLAUSE(JDK19),
286 ERASE_POLY_SIG_RETURN_TYPE(JDK24),
287 CAPTURE_MREF_RETURN_TYPE(JDK26),
288 ;
289
290 enum DiagKind {
291 NORMAL,
292 PLURAL;
293 }
294
295 private final Source minLevel;
296 private final Source maxLevel;
297 private final Fragment optFragment;
298 private final DiagKind optKind;
299
300 Feature(Source minLevel) {
301 this(minLevel, null, null);
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196 }
197
198 private Source(String name) {
199 this.name = name;
200 }
201
202 public static final Source MIN = Source.JDK8;
203
204 private static final Source MAX = values()[values().length - 1];
205
206 public static final Source DEFAULT = MAX;
207
208 public static Source lookup(String name) {
209 return tab.get(name);
210 }
211
212 public boolean isSupported() {
213 return this.compareTo(MIN) >= 0;
214 }
215
216 public static boolean isSupported(Feature feature, int majorVersion) {
217 Source source = null;
218 for (Target target : Target.values()) {
219 if (majorVersion == target.majorVersion) {
220 source = lookup(target.name);
221 }
222 }
223 if (source != null) {
224 return feature.allowedInSource(source);
225 }
226 return false;
227 }
228
229 public Target requiredTarget() {
230 return switch(this) {
231 case JDK27 -> Target.JDK1_27;
232 case JDK26 -> Target.JDK1_26;
233 case JDK25 -> Target.JDK1_25;
234 case JDK24 -> Target.JDK1_24;
235 case JDK23 -> Target.JDK1_23;
236 case JDK22 -> Target.JDK1_22;
237 case JDK21 -> Target.JDK1_21;
238 case JDK20 -> Target.JDK1_20;
239 case JDK19 -> Target.JDK1_19;
240 case JDK18 -> Target.JDK1_18;
241 case JDK17 -> Target.JDK1_17;
242 case JDK16 -> Target.JDK1_16;
243 case JDK15 -> Target.JDK1_15;
244 case JDK14 -> Target.JDK1_14;
245 case JDK13 -> Target.JDK1_13;
246 case JDK12 -> Target.JDK1_12;
247 case JDK11 -> Target.JDK1_11;
248 case JDK10 -> Target.JDK1_10;
275 IMPORT_ON_DEMAND_OBSERVABLE_PACKAGES(JDK1_2, JDK8),
276 SWITCH_MULTIPLE_CASE_LABELS(JDK14, Fragments.FeatureMultipleCaseLabels, DiagKind.PLURAL),
277 SWITCH_RULE(JDK14, Fragments.FeatureSwitchRules, DiagKind.PLURAL),
278 SWITCH_EXPRESSION(JDK14, Fragments.FeatureSwitchExpressions, DiagKind.PLURAL),
279 NO_TARGET_ANNOTATION_APPLICABILITY(JDK14),
280 TEXT_BLOCKS(JDK15, Fragments.FeatureTextBlocks, DiagKind.PLURAL),
281 PATTERN_MATCHING_IN_INSTANCEOF(JDK16, Fragments.FeaturePatternMatchingInstanceof, DiagKind.NORMAL),
282 REIFIABLE_TYPES_INSTANCEOF(JDK16, Fragments.FeatureReifiableTypesInstanceof, DiagKind.PLURAL),
283 RECORDS(JDK16, Fragments.FeatureRecords, DiagKind.PLURAL),
284 SEALED_CLASSES(JDK17, Fragments.FeatureSealedClasses, DiagKind.PLURAL),
285 CASE_NULL(JDK21, Fragments.FeatureCaseNull, DiagKind.NORMAL),
286 PATTERN_SWITCH(JDK21, Fragments.FeaturePatternSwitch, DiagKind.PLURAL),
287 REDUNDANT_STRICTFP(JDK17),
288 TYPE_ANNOTATIONS_ON_VAR_LAMBDA_PARAMETER(MIN, JDK19),
289 UNCONDITIONAL_PATTERN_IN_INSTANCEOF(JDK21, Fragments.FeatureUnconditionalPatternsInInstanceof, DiagKind.PLURAL),
290 RECORD_PATTERNS(JDK21, Fragments.FeatureDeconstructionPatterns, DiagKind.PLURAL),
291 IMPLICIT_CLASSES(JDK25, Fragments.FeatureImplicitClasses, DiagKind.PLURAL),
292 WARN_ON_ILLEGAL_UTF8(MIN, JDK21),
293 UNNAMED_VARIABLES(JDK22, Fragments.FeatureUnnamedVariables, DiagKind.PLURAL),
294 PRIMITIVE_PATTERNS(JDK23, Fragments.FeaturePrimitivePatterns, DiagKind.PLURAL),
295 VALUE_CLASSES(JDK22, Fragments.FeatureValueClasses, DiagKind.PLURAL),
296 FLEXIBLE_CONSTRUCTORS(JDK25, Fragments.FeatureFlexibleConstructors, DiagKind.NORMAL),
297 MODULE_IMPORTS(JDK25, Fragments.FeatureModuleImports, DiagKind.PLURAL),
298 JAVA_BASE_TRANSITIVE(JDK25, Fragments.FeatureJavaBaseTransitive, DiagKind.PLURAL),
299 PRIVATE_MEMBERS_IN_PERMITS_CLAUSE(JDK19),
300 ERASE_POLY_SIG_RETURN_TYPE(JDK24),
301 CAPTURE_MREF_RETURN_TYPE(JDK26),
302 ;
303
304 enum DiagKind {
305 NORMAL,
306 PLURAL;
307 }
308
309 private final Source minLevel;
310 private final Source maxLevel;
311 private final Fragment optFragment;
312 private final DiagKind optKind;
313
314 Feature(Source minLevel) {
315 this(minLevel, null, null);
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