diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/core/lombok/EqualsAndHashCode.java | 23 | ||||
-rwxr-xr-x | src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java | 105 | ||||
-rw-r--r-- | src/core/lombok/javac/handlers/HandleEqualsAndHashCode.java | 68 | ||||
-rwxr-xr-x | src/delombok/lombok/delombok/Delombok.java | 8 | ||||
-rw-r--r-- | src/stubs/com/sun/tools/javac/main/Arguments.java | 3 |
5 files changed, 190 insertions, 17 deletions
diff --git a/src/core/lombok/EqualsAndHashCode.java b/src/core/lombok/EqualsAndHashCode.java index 6805d214..279e6e3d 100644 --- a/src/core/lombok/EqualsAndHashCode.java +++ b/src/core/lombok/EqualsAndHashCode.java @@ -71,6 +71,14 @@ public @interface EqualsAndHashCode { * @return If {@code true}, always use direct field access instead of calling the getter method. */ boolean doNotUseGetters() default false; + + /** + * Determines how the result of the {@code hashCode} method will be cached. + * <strong>default: {@link CacheStrategy#NEVER}</strong> + * + * @return The {@code hashCode} cache strategy to be used. + */ + CacheStrategy cacheStrategy() default CacheStrategy.NEVER; /** * Any annotations listed here are put on the generated parameter of {@code equals} and {@code canEqual}. @@ -132,4 +140,19 @@ public @interface EqualsAndHashCode { */ int rank() default 0; } + + public enum CacheStrategy { + /** + * Never cache. Perform the calculation every time the method is called. + */ + NEVER, + /** + * Cache the result of the first invocation of {@code hashCode} and use it for subsequent invocations. + * This can improve performance if all fields used for calculating the {@code hashCode} are immutable + * and thus every invocation of {@code hashCode} will always return the same value. + * <strong>Do not use this if there's <em>any</em> chance that different invocations of {@code hashCode} + * might return different values.</strong> + */ + LAZY + } } diff --git a/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java b/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java index 7147343e..deb19c00 100755 --- a/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java +++ b/src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java @@ -36,6 +36,7 @@ import java.util.Set; import lombok.AccessLevel; import lombok.ConfigurationKeys; import lombok.EqualsAndHashCode; +import lombok.EqualsAndHashCode.CacheStrategy; import lombok.core.AST.Kind; import lombok.core.handlers.HandlerUtil; import lombok.core.handlers.InclusionExclusionUtils; @@ -59,6 +60,8 @@ import org.eclipse.jdt.internal.compiler.ast.ConditionalExpression; import org.eclipse.jdt.internal.compiler.ast.EqualExpression; import org.eclipse.jdt.internal.compiler.ast.Expression; import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; +import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration; +import org.eclipse.jdt.internal.compiler.ast.FieldReference; import org.eclipse.jdt.internal.compiler.ast.IfStatement; import org.eclipse.jdt.internal.compiler.ast.InstanceOfExpression; import org.eclipse.jdt.internal.compiler.ast.IntLiteral; @@ -94,6 +97,9 @@ import org.mangosdk.spi.ProviderFor; @ProviderFor(EclipseAnnotationHandler.class) public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndHashCode> { + private static final String HASH_CODE_CACHE_NAME = "$hashCodeCache"; + + private final char[] HASH_CODE_CACHE_NAME_ARR = HASH_CODE_CACHE_NAME.toCharArray(); private final char[] PRIME = "PRIME".toCharArray(); private final char[] RESULT = "result".toCharArray(); @@ -116,7 +122,9 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH boolean doNotUseGetters = annotation.isExplicit("doNotUseGetters") || doNotUseGettersConfiguration == null ? ann.doNotUseGetters() : doNotUseGettersConfiguration; FieldAccess fieldAccess = doNotUseGetters ? FieldAccess.PREFER_FIELD : FieldAccess.GETTER; - generateMethods(annotationNode.up(), annotationNode, members, callSuper, true, fieldAccess, onParam); + boolean cacheHashCode = ann.cacheStrategy() == CacheStrategy.LAZY; + + generateMethods(annotationNode.up(), annotationNode, members, callSuper, true, cacheHashCode, fieldAccess, onParam); } public void generateEqualsAndHashCodeForType(EclipseNode typeNode, EclipseNode errorNode) { @@ -130,11 +138,11 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH Boolean doNotUseGettersConfiguration = typeNode.getAst().readConfiguration(ConfigurationKeys.EQUALS_AND_HASH_CODE_DO_NOT_USE_GETTERS); FieldAccess access = doNotUseGettersConfiguration == null || !doNotUseGettersConfiguration ? FieldAccess.GETTER : FieldAccess.PREFER_FIELD; - generateMethods(typeNode, errorNode, members, null, false, access, new ArrayList<Annotation>()); + generateMethods(typeNode, errorNode, members, null, false, false, access, new ArrayList<Annotation>()); } public void generateMethods(EclipseNode typeNode, EclipseNode errorNode, List<Included<EclipseNode, EqualsAndHashCode.Include>> members, - Boolean callSuper, boolean whineIfExists, FieldAccess fieldAccess, List<Annotation> onParam) { + Boolean callSuper, boolean whineIfExists, boolean cacheHashCode, FieldAccess fieldAccess, List<Annotation> onParam) { TypeDeclaration typeDecl = null; @@ -222,12 +230,33 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH injectMethod(typeNode, canEqualMethod); } - MethodDeclaration hashCodeMethod = createHashCode(typeNode, members, callSuper, errorNode.get(), fieldAccess); + if (cacheHashCode){ + if (fieldExists(HASH_CODE_CACHE_NAME, typeNode) != MemberExistsResult.NOT_EXISTS) { + String msg = String.format("Not caching the result of hashCode: A field named %s already exists.", HASH_CODE_CACHE_NAME); + errorNode.addWarning(msg); + cacheHashCode = false; + } else { + createHashCodeCacheField(typeNode, errorNode.get()); + } + } + + MethodDeclaration hashCodeMethod = createHashCode(typeNode, members, callSuper, cacheHashCode, errorNode.get(), fieldAccess); hashCodeMethod.traverse(new SetGeneratedByVisitor(errorNode.get()), ((TypeDeclaration)typeNode.get()).scope); injectMethod(typeNode, hashCodeMethod); } + + private void createHashCodeCacheField(EclipseNode typeNode, ASTNode source) { + FieldDeclaration hashCodeCacheDecl = new FieldDeclaration(HASH_CODE_CACHE_NAME_ARR, 0, 0); + hashCodeCacheDecl.modifiers = ClassFileConstants.AccPrivate | ClassFileConstants.AccTransient; + hashCodeCacheDecl.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG; + hashCodeCacheDecl.type = TypeReference.baseTypeReference(TypeIds.T_int, 0); + hashCodeCacheDecl.declarationSourceEnd = -1; + injectFieldAndMarkGenerated(typeNode, hashCodeCacheDecl); + setGeneratedBy(hashCodeCacheDecl, source); + setGeneratedBy(hashCodeCacheDecl.type, source); + } - public MethodDeclaration createHashCode(EclipseNode type, Collection<Included<EclipseNode, EqualsAndHashCode.Include>> members, boolean callSuper, ASTNode source, FieldAccess fieldAccess) { + public MethodDeclaration createHashCode(EclipseNode type, Collection<Included<EclipseNode, EqualsAndHashCode.Include>> members, boolean callSuper, boolean cacheHashCode, ASTNode source, FieldAccess fieldAccess) { int pS = source.sourceStart, pE = source.sourceEnd; long p = (long) pS << 32 | pE; @@ -238,7 +267,10 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH method.returnType = TypeReference.baseTypeReference(TypeIds.T_int, 0); setGeneratedBy(method.returnType, source); Annotation overrideAnnotation = makeMarkerAnnotation(TypeConstants.JAVA_LANG_OVERRIDE, source); - if (getCheckerFrameworkVersion(type).generateSideEffectFree()) { + CheckerFrameworkVersion checkerFramework = getCheckerFrameworkVersion(type); + if (cacheHashCode && checkerFramework.generatePure()) { + method.annotations = new Annotation[] { overrideAnnotation, generateNamedAnnotation(source, CheckerFrameworkVersion.NAME__PURE) }; + } else if (checkerFramework.generateSideEffectFree()) { method.annotations = new Annotation[] { overrideAnnotation, generateNamedAnnotation(source, CheckerFrameworkVersion.NAME__SIDE_EFFECT_FREE) }; } else { method.annotations = new Annotation[] { overrideAnnotation }; @@ -262,6 +294,22 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH } } + /* if (this.$hashCodeCache != 0) return this.$hashCodeCache; */ { + if (cacheHashCode) { + FieldReference hashCodeCacheRef = new FieldReference(HASH_CODE_CACHE_NAME_ARR, p); + hashCodeCacheRef.receiver = new ThisReference(pS, pE); + setGeneratedBy(hashCodeCacheRef, source); + setGeneratedBy(hashCodeCacheRef.receiver, source); + EqualExpression cacheNotZero = new EqualExpression(hashCodeCacheRef, makeIntLiteral("0".toCharArray(), source), OperatorIds.NOT_EQUAL); + setGeneratedBy(cacheNotZero, source); + ReturnStatement returnCache = new ReturnStatement(hashCodeCacheRef, pS, pE); + setGeneratedBy(returnCache, source); + IfStatement ifStatement = new IfStatement(cacheNotZero, returnCache, pS, pE); + setGeneratedBy(ifStatement, source); + statements.add(ifStatement); + } + } + /* final int PRIME = X; */ { /* Without members, PRIME isn't used, as that would trigger a 'local variable not used' warning. */ if (!isEmpty) { @@ -296,7 +344,7 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH resultDecl.initialization = init; resultDecl.type = TypeReference.baseTypeReference(TypeIds.T_int, 0); resultDecl.type.sourceStart = pS; resultDecl.type.sourceEnd = pE; - if (isEmpty) resultDecl.modifiers |= Modifier.FINAL; + if (isEmpty && !cacheHashCode) resultDecl.modifiers |= Modifier.FINAL; setGeneratedBy(resultDecl.type, source); statements.add(resultDecl); } @@ -391,6 +439,49 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH } } + /* + * if (result == 0) result = Integer.MIN_VALUE; + * this.$hashCodeCache = result; + * + */ { + if (cacheHashCode) { + SingleNameReference resultRef = new SingleNameReference(RESULT, p); + setGeneratedBy(resultRef, source); + + EqualExpression resultIsZero = new EqualExpression(resultRef, makeIntLiteral("0".toCharArray(), source), OperatorIds.EQUAL_EQUAL); + setGeneratedBy(resultIsZero, source); + + resultRef = new SingleNameReference(RESULT, p); + setGeneratedBy(resultRef, source); + + FieldReference integerMinValue = new FieldReference("MIN_VALUE".toCharArray(), p); + integerMinValue.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA_LANG_INTEGER); + setGeneratedBy(integerMinValue, source); + + Assignment newResult = new Assignment(resultRef, integerMinValue, pE); + newResult.sourceStart = pS; newResult.statementEnd = newResult.sourceEnd = pE; + setGeneratedBy(newResult, source); + + IfStatement ifStatement = new IfStatement(resultIsZero, newResult, pS, pE); + setGeneratedBy(ifStatement, source); + statements.add(ifStatement); + + + FieldReference hashCodeCacheRef = new FieldReference(HASH_CODE_CACHE_NAME_ARR, p); + hashCodeCacheRef.receiver = new ThisReference(pS, pE); + setGeneratedBy(hashCodeCacheRef, source); + setGeneratedBy(hashCodeCacheRef.receiver, source); + + resultRef = new SingleNameReference(RESULT, p); + setGeneratedBy(resultRef, source); + + Assignment cacheResult = new Assignment(hashCodeCacheRef, resultRef, pE); + cacheResult.sourceStart = pS; cacheResult.statementEnd = cacheResult.sourceEnd = pE; + setGeneratedBy(cacheResult, source); + statements.add(cacheResult); + } + } + /* return result; */ { SingleNameReference resultRef = new SingleNameReference(RESULT, p); setGeneratedBy(resultRef, source); diff --git a/src/core/lombok/javac/handlers/HandleEqualsAndHashCode.java b/src/core/lombok/javac/handlers/HandleEqualsAndHashCode.java index 3935ab4e..c65fa491 100644 --- a/src/core/lombok/javac/handlers/HandleEqualsAndHashCode.java +++ b/src/core/lombok/javac/handlers/HandleEqualsAndHashCode.java @@ -42,6 +42,8 @@ import com.sun.tools.javac.tree.JCTree.JCBlock; import com.sun.tools.javac.tree.JCTree.JCClassDecl; import com.sun.tools.javac.tree.JCTree.JCExpression; import com.sun.tools.javac.tree.JCTree.JCExpressionStatement; +import com.sun.tools.javac.tree.JCTree.JCFieldAccess; +import com.sun.tools.javac.tree.JCTree.JCIdent; import com.sun.tools.javac.tree.JCTree.JCMethodDecl; import com.sun.tools.javac.tree.JCTree.JCMethodInvocation; import com.sun.tools.javac.tree.JCTree.JCModifiers; @@ -56,6 +58,7 @@ import com.sun.tools.javac.util.Name; import lombok.ConfigurationKeys; import lombok.EqualsAndHashCode; +import lombok.EqualsAndHashCode.CacheStrategy; import lombok.core.AST.Kind; import lombok.core.AnnotationValues; import lombok.core.configuration.CallSuperType; @@ -76,11 +79,13 @@ import lombok.javac.handlers.JavacHandlerUtil.MemberExistsResult; public class HandleEqualsAndHashCode extends JavacAnnotationHandler<EqualsAndHashCode> { private static final String RESULT_NAME = "result"; private static final String PRIME_NAME = "PRIME"; + private static final String HASH_CODE_CACHE_NAME = "$hashCodeCache"; @Override public void handle(AnnotationValues<EqualsAndHashCode> annotation, JCAnnotation ast, JavacNode annotationNode) { handleFlagUsage(annotationNode, ConfigurationKeys.EQUALS_AND_HASH_CODE_FLAG_USAGE, "@EqualsAndHashCode"); deleteAnnotationIfNeccessary(annotationNode, EqualsAndHashCode.class); + deleteImportFromCompilationUnit(annotationNode, CacheStrategy.class.getName()); EqualsAndHashCode ann = annotation.getInstance(); java.util.List<Included<JavacNode, EqualsAndHashCode.Include>> members = InclusionExclusionUtils.handleEqualsAndHashCodeMarking(annotationNode.up(), annotation, annotationNode); JavacNode typeNode = annotationNode.up(); @@ -92,8 +97,10 @@ public class HandleEqualsAndHashCode extends JavacAnnotationHandler<EqualsAndHas Boolean doNotUseGettersConfiguration = annotationNode.getAst().readConfiguration(ConfigurationKeys.EQUALS_AND_HASH_CODE_DO_NOT_USE_GETTERS); boolean doNotUseGetters = annotation.isExplicit("doNotUseGetters") || doNotUseGettersConfiguration == null ? ann.doNotUseGetters() : doNotUseGettersConfiguration; FieldAccess fieldAccess = doNotUseGetters ? FieldAccess.PREFER_FIELD : FieldAccess.GETTER; - - generateMethods(typeNode, annotationNode, members, callSuper, true, fieldAccess, onParam); + + boolean cacheHashCode = ann.cacheStrategy() == CacheStrategy.LAZY; + + generateMethods(typeNode, annotationNode, members, callSuper, true, cacheHashCode, fieldAccess, onParam); } public void generateEqualsAndHashCodeForType(JavacNode typeNode, JavacNode source) { @@ -107,11 +114,11 @@ public class HandleEqualsAndHashCode extends JavacAnnotationHandler<EqualsAndHas java.util.List<Included<JavacNode, EqualsAndHashCode.Include>> members = InclusionExclusionUtils.handleEqualsAndHashCodeMarking(typeNode, null, null); - generateMethods(typeNode, source, members, null, false, access, List.<JCAnnotation>nil()); + generateMethods(typeNode, source, members, null, false, false, access, List.<JCAnnotation>nil()); } public void generateMethods(JavacNode typeNode, JavacNode source, java.util.List<Included<JavacNode, EqualsAndHashCode.Include>> members, - Boolean callSuper, boolean whineIfExists, FieldAccess fieldAccess, List<JCAnnotation> onParam) { + Boolean callSuper, boolean whineIfExists, boolean cacheHashCode, FieldAccess fieldAccess, List<JCAnnotation> onParam) { boolean notAClass = true; if (typeNode.get() instanceof JCClassDecl) { @@ -196,17 +203,39 @@ public class HandleEqualsAndHashCode extends JavacAnnotationHandler<EqualsAndHas injectMethod(typeNode, canEqualMethod); } - JCMethodDecl hashCodeMethod = createHashCode(typeNode, members, callSuper, fieldAccess, source.get()); + if (cacheHashCode){ + if (fieldExists(HASH_CODE_CACHE_NAME, typeNode) != MemberExistsResult.NOT_EXISTS) { + String msg = String.format("Not caching the result of hashCode: A field named %s already exists.", HASH_CODE_CACHE_NAME); + source.addWarning(msg); + cacheHashCode = false; + } else { + createHashCodeCacheField(typeNode, source.get()); + } + } + + JCMethodDecl hashCodeMethod = createHashCode(typeNode, members, callSuper, cacheHashCode, fieldAccess, source.get()); injectMethod(typeNode, hashCodeMethod); } + + private void createHashCodeCacheField(JavacNode typeNode, JCTree source) { + JavacTreeMaker maker = typeNode.getTreeMaker(); + JCModifiers mods = maker.Modifiers(Flags.PRIVATE | Flags.TRANSIENT); + JCVariableDecl hashCodeCacheField = maker.VarDef(mods, typeNode.toName(HASH_CODE_CACHE_NAME), maker.TypeIdent(CTC_INT), null); + injectFieldAndMarkGenerated(typeNode, hashCodeCacheField); + recursiveSetGeneratedBy(hashCodeCacheField, source, typeNode.getContext()); + } - public JCMethodDecl createHashCode(JavacNode typeNode, java.util.List<Included<JavacNode, EqualsAndHashCode.Include>> members, boolean callSuper, FieldAccess fieldAccess, JCTree source) { + public JCMethodDecl createHashCode(JavacNode typeNode, java.util.List<Included<JavacNode, EqualsAndHashCode.Include>> members, boolean callSuper, boolean cacheHashCode, FieldAccess fieldAccess, JCTree source) { JavacTreeMaker maker = typeNode.getTreeMaker(); JCAnnotation overrideAnnotation = maker.Annotation(genJavaLangTypeRef(typeNode, "Override"), List.<JCExpression>nil()); List<JCAnnotation> annsOnMethod = List.of(overrideAnnotation); CheckerFrameworkVersion checkerFramework = getCheckerFrameworkVersion(typeNode); - if (checkerFramework.generateSideEffectFree()) annsOnMethod = annsOnMethod.prepend(maker.Annotation(genTypeRef(typeNode, CheckerFrameworkVersion.NAME__SIDE_EFFECT_FREE), List.<JCExpression>nil())); + if (cacheHashCode && checkerFramework.generatePure()) { + annsOnMethod = annsOnMethod.prepend(maker.Annotation(genTypeRef(typeNode, CheckerFrameworkVersion.NAME__PURE), List.<JCExpression>nil())); + } else if (checkerFramework.generateSideEffectFree()) { + annsOnMethod = annsOnMethod.prepend(maker.Annotation(genTypeRef(typeNode, CheckerFrameworkVersion.NAME__SIDE_EFFECT_FREE), List.<JCExpression>nil())); + } JCModifiers mods = maker.Modifiers(Flags.PUBLIC, annsOnMethod); JCExpression returnType = maker.TypeIdent(CTC_INT); ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>(); @@ -217,6 +246,15 @@ public class HandleEqualsAndHashCode extends JavacAnnotationHandler<EqualsAndHas boolean isEmpty = members.isEmpty(); + /* if (this.$hashCodeCache != 0) return this.$hashCodeCache; */ { + if (cacheHashCode) { + JCIdent receiver = maker.Ident(typeNode.toName("this")); + JCFieldAccess cacheHashCodeFieldAccess = maker.Select(receiver, typeNode.toName(HASH_CODE_CACHE_NAME)); + JCExpression cacheNotZero = maker.Binary(CTC_NOT_EQUAL, cacheHashCodeFieldAccess, maker.Literal(CTC_INT, 0)); + statements.append(maker.If(cacheNotZero, maker.Return(cacheHashCodeFieldAccess), null)); + } + } + /* final int PRIME = X; */ { if (!isEmpty) { statements.append(maker.VarDef(maker.Modifiers(finalFlag), primeName, maker.TypeIdent(CTC_INT), maker.Literal(HandlerUtil.primeForHashcode()))); @@ -234,7 +272,7 @@ public class HandleEqualsAndHashCode extends JavacAnnotationHandler<EqualsAndHas /* ... 1; */ init = maker.Literal(1); } - statements.append(maker.VarDef(maker.Modifiers(isEmpty ? finalFlag : 0L), resultName, maker.TypeIdent(CTC_INT), init)); + statements.append(maker.VarDef(maker.Modifiers(isEmpty && !cacheHashCode ? finalFlag : 0L), resultName, maker.TypeIdent(CTC_INT), init)); } for (Included<JavacNode, EqualsAndHashCode.Include> member : members) { @@ -306,6 +344,20 @@ public class HandleEqualsAndHashCode extends JavacAnnotationHandler<EqualsAndHas } } + /* + * if (result == 0) result = Integer.MIN_VALUE; + * this.$hashCodeCache = result; + * + */ { + if (cacheHashCode) { + statements.append(maker.If(maker.Binary(CTC_EQUAL, maker.Ident(resultName), maker.Literal(CTC_INT, 0)), + maker.Exec(maker.Assign(maker.Ident(resultName), genJavaLangTypeRef(typeNode, "Integer", "MIN_VALUE"))), null)); + + JCFieldAccess cacheHashCodeFieldAccess = maker.Select(maker.Ident(typeNode.toName("this")), typeNode.toName(HASH_CODE_CACHE_NAME)); + statements.append(maker.Exec(maker.Assign(cacheHashCodeFieldAccess, maker.Ident(resultName)))); + } + } + /* return result; */ { statements.append(maker.Return(maker.Ident(resultName))); } diff --git a/src/delombok/lombok/delombok/Delombok.java b/src/delombok/lombok/delombok/Delombok.java index a1fd0e56..6c15068a 100755 --- a/src/delombok/lombok/delombok/Delombok.java +++ b/src/delombok/lombok/delombok/Delombok.java @@ -701,8 +701,12 @@ public class Delombok { if (!disablePreview && Javac.getJavaCompilerVersion() >= 11) argsList.add("--enable-preview"); - String[] argv = argsList.toArray(new String[0]); - args.init("javac", argv); + if (Javac.getJavaCompilerVersion() < 15) { + String[] argv = argsList.toArray(new String[0]); + args.init("javac", argv); + } else { + args.init("javac", argsList); + } options.put("diags.legacy", "TRUE"); options.put("allowStringFolding", "FALSE"); } else { diff --git a/src/stubs/com/sun/tools/javac/main/Arguments.java b/src/stubs/com/sun/tools/javac/main/Arguments.java index ea866b6e..3d91734c 100644 --- a/src/stubs/com/sun/tools/javac/main/Arguments.java +++ b/src/stubs/com/sun/tools/javac/main/Arguments.java @@ -10,4 +10,7 @@ public class Arguments { public void init(String ownName, String... argv) {} public Map<Option, String> getDeferredFileManagerOptions() { return null; } public boolean validate() { return false; } + + // JDK15 + public void init(String ownName, Iterable<String> args) {} } |