From dd593a3af08d9fd300ecd3a11a3551507aa35b6f Mon Sep 17 00:00:00 2001 From: Roel Spilker Date: Sat, 1 Aug 2009 02:38:56 +0200 Subject: The constructors will now also add non-final fields if they have a NonNull annotation The constructor will test for null-values The constructor and static constructor will copy the NonNull annotations from the fields --- src/lombok/eclipse/handlers/HandleData.java | 22 +++++++++++++++++++--- src/lombok/javac/handlers/HandleData.java | 17 +++++++++++++---- 2 files changed, 32 insertions(+), 7 deletions(-) diff --git a/src/lombok/eclipse/handlers/HandleData.java b/src/lombok/eclipse/handlers/HandleData.java index f1623e39..0296d5e4 100644 --- a/src/lombok/eclipse/handlers/HandleData.java +++ b/src/lombok/eclipse/handlers/HandleData.java @@ -89,7 +89,8 @@ public class HandleData implements EclipseAnnotationHandler { //Skip static fields. if ( (fieldDecl.modifiers & ClassFileConstants.AccStatic) != 0 ) continue; boolean isFinal = (fieldDecl.modifiers & ClassFileConstants.AccFinal) != 0; - if ( isFinal && fieldDecl.initialization == null ) nodesForConstructor.add(child); + boolean isNonNull = findNonNullAnnotations(fieldDecl).length != 0; + if ( (isFinal || isNonNull) && fieldDecl.initialization == null ) nodesForConstructor.add(child); new HandleGetter().generateGetterForField(child, annotationNode.get()); if ( !isFinal ) new HandleSetter().generateSetterForField(child, annotationNode.get()); } @@ -139,18 +140,27 @@ public class HandleData implements EclipseAnnotationHandler { List args = new ArrayList(); List assigns = new ArrayList(); + List nullChecks = new ArrayList(); for ( Node fieldNode : fields ) { FieldDeclaration field = (FieldDeclaration) fieldNode.get(); FieldReference thisX = new FieldReference(("this." + new String(field.name)).toCharArray(), p); thisX.receiver = new ThisReference((int)(p >> 32), (int)p); thisX.token = field.name; + assigns.add(new Assignment(thisX, new SingleNameReference(field.name, p), (int)p)); long fieldPos = (((long)field.sourceStart) << 32) | field.sourceEnd; - args.add(new Argument(field.name, fieldPos, copyType(field.type), 0)); + Argument argument = new Argument(field.name, fieldPos, copyType(field.type), 0); + Annotation[] nonNulls = findNonNullAnnotations(field); + if (nonNulls.length != 0) { + nullChecks.add(generateNullCheck(field)); + argument.annotations = copyAnnotations(nonNulls); + } + args.add(argument); } - constructor.statements = assigns.isEmpty() ? null : assigns.toArray(new Statement[assigns.size()]); + nullChecks.addAll(assigns); + constructor.statements = nullChecks.isEmpty() ? null : nullChecks.toArray(new Statement[nullChecks.size()]); constructor.arguments = args.isEmpty() ? null : args.toArray(new Argument[args.size()]); return constructor; } @@ -188,6 +198,12 @@ public class HandleData implements EclipseAnnotationHandler { FieldDeclaration field = (FieldDeclaration) fieldNode.get(); long fieldPos = (((long)field.sourceStart) << 32) | field.sourceEnd; assigns.add(new SingleNameReference(field.name, fieldPos)); + + Argument argument = new Argument(field.name, fieldPos, copyType(field.type), 0); + Annotation[] nonNulls = findNonNullAnnotations(field); + if (nonNulls.length != 0) { + argument.annotations = copyAnnotations(nonNulls); + } args.add(new Argument(field.name, fieldPos, copyType(field.type), 0)); } diff --git a/src/lombok/javac/handlers/HandleData.java b/src/lombok/javac/handlers/HandleData.java index 003b8808..e65462d8 100644 --- a/src/lombok/javac/handlers/HandleData.java +++ b/src/lombok/javac/handlers/HandleData.java @@ -79,7 +79,8 @@ public class HandleData implements JavacAnnotationHandler { if ( (fieldFlags & Flags.STATIC) != 0 ) continue; if ( (fieldFlags & Flags.TRANSIENT) == 0 ) nodesForEquality = nodesForEquality.append(child); boolean isFinal = (fieldFlags & Flags.FINAL) != 0; - if ( isFinal && fieldDecl.init == null ) nodesForConstructor = nodesForConstructor.append(child); + boolean isNonNull = !findNonNullAnnotations(child).isEmpty(); + if ( (isFinal || isNonNull) && fieldDecl.init == null ) nodesForConstructor = nodesForConstructor.append(child); new HandleGetter().generateGetterForField(child, annotationNode.get()); if ( !isFinal ) new HandleSetter().generateSetterForField(child, annotationNode.get()); } @@ -106,21 +107,29 @@ public class HandleData implements JavacAnnotationHandler { TreeMaker maker = typeNode.getTreeMaker(); JCClassDecl type = (JCClassDecl) typeNode.get(); + List nullChecks = List.nil(); List assigns = List.nil(); List params = List.nil(); for ( Node fieldNode : fields ) { JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCVariableDecl param = maker.VarDef(maker.Modifiers(0), field.name, field.vartype, null); + + List nonNulls = findNonNullAnnotations(fieldNode); + JCVariableDecl param = maker.VarDef(maker.Modifiers(0, nonNulls), field.name, field.vartype, null); + params = params.append(param); JCFieldAccess thisX = maker.Select(maker.Ident(fieldNode.toName("this")), field.name); JCAssign assign = maker.Assign(thisX, maker.Ident(field.name)); assigns = assigns.append(maker.Exec(assign)); + + if (!nonNulls.isEmpty()) { + nullChecks = nullChecks.append(generateNullCheck(maker, fieldNode)); + } } JCModifiers mods = maker.Modifiers(isPublic ? Modifier.PUBLIC : Modifier.PRIVATE); return maker.MethodDef(mods, typeNode.toName(""), - null, type.typarams, params, List.nil(), maker.Block(0L, assigns), null); + null, type.typarams, params, List.nil(), maker.Block(0L, nullChecks.appendList(assigns)), null); } private JCMethodDecl createStaticConstructor(String name, Node typeNode, List fields) { @@ -160,7 +169,7 @@ public class HandleData implements JavacAnnotationHandler { for ( JCExpression arg : typeApply.arguments ) tArgs = tArgs.append(arg); pType = maker.TypeApply(typeApply.clazz, tArgs); } else pType = field.vartype; - JCVariableDecl param = maker.VarDef(maker.Modifiers(0), field.name, pType, null); + JCVariableDecl param = maker.VarDef(maker.Modifiers(0, findNonNullAnnotations(fieldNode)), field.name, pType, null); params = params.append(param); args = args.append(maker.Ident(field.name)); } -- cgit