@Override public Void visitTypeCast(TypeCastTree node, AnnotatedTypeMirror p) { if (!p.isAnnotated()) { // check if it is casting "this" if (TreeUtils.skipParens(node.getExpression()).toString().equals("this")) { annotateThis(p); } } return super.visitTypeCast(node, p); }
@Override public Void visitVariable(VariableTree node, AnnotatedTypeMirror p) { typeAnnotator.visit(p); VariableElement varElt = TreeUtils.elementFromDeclaration((VariableTree) node); if (!p.isAnnotated() && ElementUtils.isStatic(varElt)) { p.clearAnnotations(); Set<AnnotationMirror> set = AnnotationUtils.createAnnotationSet(); set.add(checker.ANY); set.add(checker.PEER); annotateConstants(p, set); } return super.visitVariable(node, p); }
@Override public boolean isAssignable(AnnotatedTypeMirror varType, Tree varTree) { if (varTree.getKind() == Tree.Kind.VARIABLE || varType.hasAnnotation(ASSIGNABLE)) return true; Element varElement = InternalUtils.symbol(varTree); if (varElement == null || !varElement.getKind().isField() || ElementUtils.isStatic(varElement)) return true; ExpressionTree expTree = (ExpressionTree) varTree; AnnotatedTypeMirror receiver = factory.getReceiver(expTree); boolean isAssignable = receiver.hasAnnotation(MUTABLE) || (receiver.hasAnnotation(ASSIGNS_FIELDS) && TreeUtils.isSelfAccess(expTree)); return isAssignable; }
@Override public AnnotatedTypeMirror getAnnotatedType(Tree tree) { AnnotatedTypeMirror type = super.getAnnotatedType(tree); if (tree instanceof ExpressionTree) tree = TreeUtils.skipParens((ExpressionTree) tree); Element elt = InternalUtils.symbol(tree); if (!checker.isChecking() /*&& !checker.isDefaultAnyType(type)*/ && type.isAnnotated() && !type.getKind().isPrimitive() && type.getKind() != TypeKind.NULL && (elt == null || !ElementUtils.isStatic(elt))) { // We don't want annotations on the following trees Kind kind = tree.getKind(); if (kind == Kind.METHOD_INVOCATION || kind == Kind.ARRAY_ACCESS || kind == Kind.MEMBER_SELECT || kind == Kind.CONDITIONAL_EXPRESSION) { type = type.getCopy(false); } } return type; }