diff options
Diffstat (limited to 'src/lombok/javac/handlers/HandleData.java')
-rw-r--r-- | src/lombok/javac/handlers/HandleData.java | 70 |
1 files changed, 65 insertions, 5 deletions
diff --git a/src/lombok/javac/handlers/HandleData.java b/src/lombok/javac/handlers/HandleData.java index 5d1cc913..8ab50812 100644 --- a/src/lombok/javac/handlers/HandleData.java +++ b/src/lombok/javac/handlers/HandleData.java @@ -16,12 +16,17 @@ import com.sun.tools.javac.code.Flags; import com.sun.tools.javac.tree.TreeMaker; import com.sun.tools.javac.tree.JCTree.JCAnnotation; import com.sun.tools.javac.tree.JCTree.JCAssign; +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.JCFieldAccess; +import com.sun.tools.javac.tree.JCTree.JCIdent; import com.sun.tools.javac.tree.JCTree.JCMethodDecl; import com.sun.tools.javac.tree.JCTree.JCModifiers; +import com.sun.tools.javac.tree.JCTree.JCReturn; import com.sun.tools.javac.tree.JCTree.JCStatement; +import com.sun.tools.javac.tree.JCTree.JCTypeApply; +import com.sun.tools.javac.tree.JCTree.JCTypeParameter; import com.sun.tools.javac.tree.JCTree.JCVariableDecl; import com.sun.tools.javac.util.List; @@ -55,10 +60,18 @@ public class HandleData implements JavacAnnotationHandler<Data> { } String staticConstructorName = annotation.getInstance().staticConstructor(); - JCMethodDecl constructor = createConstructor(staticConstructorName.equals(""), typeNode, nodesForConstructorAndToString); - injectMethod(typeNode, constructor); - //TODO generate static constructors, hashCode, equals, toString. + if ( constructorExists(typeNode) == MethodExistsResult.NOT_EXISTS ) { + JCMethodDecl constructor = createConstructor(staticConstructorName.equals(""), typeNode, nodesForConstructorAndToString); + injectMethod(typeNode, constructor); + } + + if ( !staticConstructorName.isEmpty() && methodExists("of", typeNode) == MethodExistsResult.NOT_EXISTS ) { + JCMethodDecl staticConstructor = createStaticConstructor(staticConstructorName, typeNode, nodesForConstructorAndToString); + injectMethod(typeNode, staticConstructor); + } + + //TODO hashCode, equals, toString. return true; } @@ -79,7 +92,54 @@ public class HandleData implements JavacAnnotationHandler<Data> { } JCModifiers mods = maker.Modifiers(isPublic ? Modifier.PUBLIC : Modifier.PRIVATE); - return maker.MethodDef(mods, - typeNode.toName("<init>"), null, type.typarams, params, List.<JCExpression>nil(), maker.Block(0L, assigns), null); + return maker.MethodDef(mods, typeNode.toName("<init>"), + null, type.typarams, params, List.<JCExpression>nil(), maker.Block(0L, assigns), null); + } + + private JCMethodDecl createStaticConstructor(String name, Node typeNode, List<Node> fields) { + TreeMaker maker = typeNode.getTreeMaker(); + JCClassDecl type = (JCClassDecl) typeNode.get(); + + JCModifiers mods = maker.Modifiers(Flags.STATIC); + + JCExpression returnType, constructorType; + + List<JCTypeParameter> typeParams = List.nil(); + List<JCVariableDecl> params = List.nil(); + List<JCExpression> typeArgs1 = List.nil(); + List<JCExpression> typeArgs2 = List.nil(); + List<JCExpression> args = List.nil(); + + if ( !type.typarams.isEmpty() ) { + for ( JCTypeParameter param : type.typarams ) { + typeArgs1 = typeArgs1.append(maker.Ident(param.name)); + typeArgs2 = typeArgs2.append(maker.Ident(param.name)); + typeParams = typeParams.append(maker.TypeParameter(param.name, param.bounds)); + } + returnType = maker.TypeApply(maker.Ident(type.name), typeArgs1); + constructorType = maker.TypeApply(maker.Ident(type.name), typeArgs2); + } else { + returnType = maker.Ident(type.name); + constructorType = maker.Ident(type.name); + } + + for ( Node fieldNode : fields ) { + JCVariableDecl field = (JCVariableDecl) fieldNode.get(); + JCExpression pType; + if ( field.vartype instanceof JCIdent ) pType = maker.Ident(((JCIdent)field.vartype).name); + else if ( field.vartype instanceof JCTypeApply ) { + JCTypeApply typeApply = (JCTypeApply) field.vartype; + List<JCExpression> tArgs = List.nil(); + 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); + params = params.append(param); + args = args.append(maker.Ident(field.name)); + } + JCReturn returnStatement = maker.Return(maker.NewClass(null, List.<JCExpression>nil(), constructorType, args, null)); + JCBlock body = maker.Block(0, List.<JCStatement>of(returnStatement)); + + return maker.MethodDef(mods, typeNode.toName(name), returnType, typeParams, params, List.<JCExpression>nil(), body, null); } } |