private static JCExpression cloneType0(TreeMaker maker, JCTree in) { if (in == null) return null; if (in instanceof JCPrimitiveTypeTree) return (JCExpression) in; if (in instanceof JCIdent) { return maker.Ident(((JCIdent) in).name); } if (in instanceof JCFieldAccess) { JCFieldAccess fa = (JCFieldAccess) in; return maker.Select(cloneType0(maker, fa.selected), fa.name); } if (in instanceof JCArrayTypeTree) { JCArrayTypeTree att = (JCArrayTypeTree) in; return maker.TypeArray(cloneType0(maker, att.elemtype)); } if (in instanceof JCTypeApply) { JCTypeApply ta = (JCTypeApply) in; ListBuffer<JCExpression> lb = ListBuffer.lb(); for (JCExpression typeArg : ta.arguments) { lb.append(cloneType0(maker, typeArg)); } return maker.TypeApply(cloneType0(maker, ta.clazz), lb.toList()); } if (in instanceof JCWildcard) { JCWildcard w = (JCWildcard) in; JCExpression newInner = cloneType0(maker, w.inner); TypeBoundKind newKind; switch (w.getKind()) { case SUPER_WILDCARD: newKind = maker.TypeBoundKind(BoundKind.SUPER); break; case EXTENDS_WILDCARD: newKind = maker.TypeBoundKind(BoundKind.EXTENDS); break; default: case UNBOUNDED_WILDCARD: newKind = maker.TypeBoundKind(BoundKind.UNBOUND); break; } return maker.Wildcard(newKind, newInner); } // This is somewhat unsafe, but it's better than outright throwing an exception here. Returning // null will just cause an exception down the pipeline. return (JCExpression) in; }
public static JCExpression cloneSelfType(JavacNode field) { JavacNode typeNode = field; TreeMaker maker = field.getTreeMaker(); while (typeNode != null && typeNode.getKind() != Kind.TYPE) typeNode = typeNode.up(); if (typeNode != null && typeNode.get() instanceof JCClassDecl) { JCClassDecl type = (JCClassDecl) typeNode.get(); ListBuffer<JCExpression> typeArgs = ListBuffer.lb(); if (!type.typarams.isEmpty()) { for (JCTypeParameter tp : type.typarams) { typeArgs.append(maker.Ident(tp.name)); } return maker.TypeApply(maker.Ident(type.name), typeArgs.toList()); } else { return maker.Ident(type.name); } } else { return null; } }