private static void addSuppressWarningsAll( JCModifiers mods, JavacNode node, int pos, JCTree source) { TreeMaker maker = node.getTreeMaker(); JCExpression suppressWarningsType = chainDots(node, "java", "lang", "SuppressWarnings"); JCLiteral allLiteral = maker.Literal("all"); suppressWarningsType.pos = pos; allLiteral.pos = pos; JCAnnotation annotation = recursiveSetGeneratedBy( maker.Annotation(suppressWarningsType, List.<JCExpression>of(allLiteral)), source); annotation.pos = pos; mods.annotations = mods.annotations.append(annotation); }
/** * Process a single compound annotation, returning its Attribute. Used from MemberEnter for * attaching the attributes to the annotated symbol. */ Attribute.Compound enterAnnotation(JCAnnotation a, Type expected, Env<AttrContext> env) { // The annotation might have had its type attributed (but not checked) // by attr.attribAnnotationTypes during MemberEnter, in which case we do not // need to do it again. Type at = (a.annotationType.type != null ? a.annotationType.type : attr.attribType(a.annotationType, env)); a.type = chk.checkType(a.annotationType.pos(), at, expected); if (a.type.isErroneous()) return new Attribute.Compound(a.type, List.<Pair<MethodSymbol, Attribute>>nil()); if ((a.type.tsym.flags() & Flags.ANNOTATION) == 0) { log.error(a.annotationType.pos(), "not.annotation.type", a.type.toString()); return new Attribute.Compound(a.type, List.<Pair<MethodSymbol, Attribute>>nil()); } List<JCExpression> args = a.args; if (args.length() == 1 && args.head.getTag() != JCTree.ASSIGN) { // special case: elided "value=" assumed args.head = make.at(args.head.pos).Assign(make.Ident(names.value), args.head); } ListBuffer<Pair<MethodSymbol, Attribute>> buf = new ListBuffer<Pair<MethodSymbol, Attribute>>(); for (List<JCExpression> tl = args; tl.nonEmpty(); tl = tl.tail) { JCExpression t = tl.head; if (t.getTag() != JCTree.ASSIGN) { log.error(t.pos(), "annotation.value.must.be.name.value"); continue; } JCAssign assign = (JCAssign) t; if (assign.lhs.getTag() != JCTree.IDENT) { log.error(t.pos(), "annotation.value.must.be.name.value"); continue; } JCIdent left = (JCIdent) assign.lhs; Symbol method = rs.resolveQualifiedMethod(left.pos(), env, a.type, left.name, List.<Type>nil(), null); left.sym = method; left.type = method.type; if (method.owner != a.type.tsym) log.error(left.pos(), "no.annotation.member", left.name, a.type); Type result = method.type.getReturnType(); Attribute value = enterAttributeValue(result, assign.rhs, env); if (!method.type.isErroneous()) buf.append(new Pair<MethodSymbol, Attribute>((MethodSymbol) method, value)); t.type = result; } return new Attribute.Compound(a.type, buf.toList()); }
public void visitAnnotation(JCAnnotation tree) { try { print("@"); printExpr(tree.annotationType); if (tree.args.nonEmpty()) { print("("); if (tree.args.length() == 1 && tree.args.get(0) instanceof JCAssign) { JCExpression lhs = ((JCAssign) tree.args.get(0)).lhs; if (lhs instanceof JCIdent && ((JCIdent) lhs).name.toString().equals("value")) tree.args = List.of(((JCAssign) tree.args.get(0)).rhs); } printExprs(tree.args); print(")"); } } catch (IOException e) { throw new UncheckedIOException(e); } }
static List<JCAnnotation> unboxAndRemoveAnnotationParameter( JCAnnotation ast, String parameterName, String errorName, JavacNode errorNode) { ListBuffer<JCExpression> params = ListBuffer.lb(); ListBuffer<JCAnnotation> result = ListBuffer.lb(); errorNode.removeDeferredErrors(); outer: for (JCExpression param : ast.args) { String nameOfParam = "value"; JCExpression valueOfParam = null; if (param instanceof JCAssign) { JCAssign assign = (JCAssign) param; if (assign.lhs instanceof JCIdent) { JCIdent ident = (JCIdent) assign.lhs; nameOfParam = ident.name.toString(); } valueOfParam = assign.rhs; } if (!parameterName.equals(nameOfParam)) { params.append(param); continue outer; } if (valueOfParam instanceof JCAnnotation) { String dummyAnnotationName = ((JCAnnotation) valueOfParam).annotationType.toString(); dummyAnnotationName = dummyAnnotationName.replace("_", ""); if (dummyAnnotationName.length() > 0) { errorNode.addError( "The correct format is " + errorName + "@_({@SomeAnnotation, @SomeOtherAnnotation}))"); continue outer; } for (JCExpression expr : ((JCAnnotation) valueOfParam).args) { if (expr instanceof JCAssign && ((JCAssign) expr).lhs instanceof JCIdent) { JCIdent id = (JCIdent) ((JCAssign) expr).lhs; if ("value".equals(id.name.toString())) { expr = ((JCAssign) expr).rhs; } else { errorNode.addError( "The correct format is " + errorName + "@_({@SomeAnnotation, @SomeOtherAnnotation}))"); continue outer; } } if (expr instanceof JCAnnotation) { result.append((JCAnnotation) expr); } else if (expr instanceof JCNewArray) { for (JCExpression expr2 : ((JCNewArray) expr).elems) { if (expr2 instanceof JCAnnotation) { result.append((JCAnnotation) expr2); } else { errorNode.addError( "The correct format is " + errorName + "@_({@SomeAnnotation, @SomeOtherAnnotation}))"); continue outer; } } } else { errorNode.addError( "The correct format is " + errorName + "@_({@SomeAnnotation, @SomeOtherAnnotation}))"); continue outer; } } } else { if (valueOfParam instanceof JCNewArray && ((JCNewArray) valueOfParam).elems.isEmpty()) { // Then we just remove it and move on (it's onMethod={} for example). } else { errorNode.addError( "The correct format is " + errorName + "@_({@SomeAnnotation, @SomeOtherAnnotation}))"); } } } ast.args = params.toList(); return result.toList(); }
/** * Creates an instance of {@code AnnotationValues} for the provided AST Node. * * @param type An annotation class type, such as {@code lombok.Getter.class}. * @param node A Lombok AST node representing an annotation in source code. */ public static <A extends Annotation> AnnotationValues<A> createAnnotation( Class<A> type, final JavacNode node) { Map<String, AnnotationValue> values = new HashMap<String, AnnotationValue>(); JCAnnotation anno = (JCAnnotation) node.get(); List<JCExpression> arguments = anno.getArguments(); for (Method m : type.getDeclaredMethods()) { if (!Modifier.isPublic(m.getModifiers())) continue; String name = m.getName(); java.util.List<String> raws = new ArrayList<String>(); java.util.List<Object> guesses = new ArrayList<Object>(); java.util.List<Object> expressions = new ArrayList<Object>(); final java.util.List<DiagnosticPosition> positions = new ArrayList<DiagnosticPosition>(); boolean isExplicit = false; for (JCExpression arg : arguments) { String mName; JCExpression rhs; if (arg instanceof JCAssign) { JCAssign assign = (JCAssign) arg; mName = assign.lhs.toString(); rhs = assign.rhs; } else { rhs = arg; mName = "value"; } if (!mName.equals(name)) continue; isExplicit = true; if (rhs instanceof JCNewArray) { List<JCExpression> elems = ((JCNewArray) rhs).elems; for (JCExpression inner : elems) { raws.add(inner.toString()); expressions.add(inner); guesses.add(calculateGuess(inner)); positions.add(inner.pos()); } } else { raws.add(rhs.toString()); expressions.add(rhs); guesses.add(calculateGuess(rhs)); positions.add(rhs.pos()); } } values.put( name, new AnnotationValue(node, raws, expressions, guesses, isExplicit) { @Override public void setError(String message, int valueIdx) { if (valueIdx < 0) node.addError(message); else node.addError(message, positions.get(valueIdx)); } @Override public void setWarning(String message, int valueIdx) { if (valueIdx < 0) node.addWarning(message); else node.addWarning(message, positions.get(valueIdx)); } }); } return new AnnotationValues<A>(type, values, node); }