Examples with AnnotationTree com.sun.source.tree.AnnotationTree used on opensource projects

Example 11 with AnnotationTree

use of com.sun.source.tree.AnnotationTree in project error-prone by google.

the class ImmutableAnnotationChecker method matchClass.

@Override
public Description matchClass(ClassTree tree, VisitorState state) {
    ClassSymbol symbol = getSymbol(tree);
    if (symbol == null || symbol.isAnnotationType() || !WellKnownMutability.isAnnotation(state, symbol.type)) {
        return NO_MATCH;
    }
    if (ASTHelpers.hasAnnotation(symbol, Immutable.class, state)) {
        AnnotationTree annotation = ASTHelpers.getAnnotationWithSimpleName(tree.getModifiers().getAnnotations(), "Immutable");
        if (annotation != null) {
            state.reportMatch(buildDescription(annotation).setMessage(ANNOTATED_ANNOTATION_MESSAGE).addFix(SuggestedFix.delete(annotation)).build());
        } else {
            state.reportMatch(buildDescription(tree).setMessage(ANNOTATED_ANNOTATION_MESSAGE).build());
        }
    }
    Violation info = new ImmutableAnalysis(this, state, "annotations should be immutable, and cannot have non-final fields", "annotations should be immutable").checkForImmutability(Optional.of(tree), ImmutableSet.of(), getType(tree));
    if (!info.isPresent()) {
        return NO_MATCH;
    }
    String message = "annotations should be immutable: " + info.message();
    return buildDescription(tree).setMessage(message).build();
}

Example 12 with AnnotationTree

use of com.sun.source.tree.AnnotationTree in project error-prone by google.

the class SuggestedFixes method addSuppressWarnings.

/**
   * Modifies {@code fixBuilder} to either create a new {@code @SuppressWarnings} element on the
   * closest suppressible node, or add {@code warningToSuppress} to that node if there's already a
   * {@code SuppressWarnings} annotation there.
   *
   * @see #addSuppressWarnings(VisitorState, String)
   */
public static void addSuppressWarnings(Builder fixBuilder, VisitorState state, String warningToSuppress) {
    // Find the nearest tree to add @SuppressWarnings to.
    Tree suppressibleNode = suppressibleNode(state.getPath());
    if (suppressibleNode == null) {
        return;
    }
    SuppressWarnings existingAnnotation = getAnnotation(suppressibleNode, SuppressWarnings.class);
    // If we have an existing @SuppressWarnings on the element, extend its value
    if (existingAnnotation != null) {
        // Add warning to the existing annotation
        String[] values = existingAnnotation.value();
        if (Arrays.asList(values).contains(warningToSuppress)) {
            // The nearest suppress warnings already contains this thing, so we can't add another thing
            return;
        }
        AnnotationTree suppressAnnotationTree = getAnnotationWithSimpleName(findAnnotationsTree(suppressibleNode), SuppressWarnings.class.getSimpleName());
        if (suppressAnnotationTree == null) {
            // This is weird, bail out
            return;
        }
        fixBuilder.merge(addValuesToAnnotationArgument(suppressAnnotationTree, "value", ImmutableList.of(state.getTreeMaker().Literal(CLASS, warningToSuppress).toString()), state));
    } else {
        // Otherwise, add a suppress annotation to the element
        fixBuilder.prefixWith(suppressibleNode, "@SuppressWarnings(\"" + warningToSuppress + "\")\n");
    }
}

Example 13 with AnnotationTree

use of com.sun.source.tree.AnnotationTree in project error-prone by google.

the class RequiredModifiersChecker method matchAnnotation.

@Override
public Description matchAnnotation(AnnotationTree tree, VisitorState state) {
    RequiredModifiers annotation = ASTHelpers.getAnnotation(tree, RequiredModifiers.class);
    if (annotation == null) {
        return Description.NO_MATCH;
    }
    Set<Modifier> requiredModifiers = ImmutableSet.copyOf(annotation.value());
    if (requiredModifiers.isEmpty()) {
        return Description.NO_MATCH;
    }
    Tree parent = state.getPath().getParentPath().getLeaf();
    if (!(parent instanceof ModifiersTree)) {
        // e.g. An annotated package name
        return Description.NO_MATCH;
    }
    Set<Modifier> missing = Sets.difference(requiredModifiers, ((ModifiersTree) parent).getFlags());
    if (missing.isEmpty()) {
        return Description.NO_MATCH;
    }
    String annotationName = ASTHelpers.getAnnotationName(tree);
    String nameString = annotationName != null ? String.format("The annotation '@%s'", annotationName) : "This annotation";
    String customMessage = String.format(MESSAGE_TEMPLATE, nameString, missing.toString());
    return buildDescription(tree).setMessage(customMessage).build();
}

Example 14 with AnnotationTree

use of com.sun.source.tree.AnnotationTree in project error-prone by google.

the class Util method makeConcreteClassAbstract.

/**
   * Returns a fix that changes a concrete class to an abstract class.
   *
   * <ul>
   * <li>Removes {@code final} if it was there.
   * <li>Adds {@code abstract} if it wasn't there.
   * <li>Adds a private empty constructor if the class was {@code final} and had only a default
   *     constructor.
   * </ul>
   */
static SuggestedFix.Builder makeConcreteClassAbstract(ClassTree classTree, VisitorState state) {
    Set<Modifier> flags = EnumSet.noneOf(Modifier.class);
    flags.addAll(classTree.getModifiers().getFlags());
    boolean wasFinal = flags.remove(FINAL);
    boolean wasAbstract = !flags.add(ABSTRACT);
    if (classTree.getKind().equals(INTERFACE) || (!wasFinal && wasAbstract)) {
        // no-op
        return SuggestedFix.builder();
    }
    ImmutableList.Builder<Object> modifiers = ImmutableList.builder();
    for (AnnotationTree annotation : classTree.getModifiers().getAnnotations()) {
        modifiers.add(state.getSourceForNode(annotation));
    }
    modifiers.addAll(flags);
    SuggestedFix.Builder makeAbstract = SuggestedFix.builder();
    if (((JCModifiers) classTree.getModifiers()).pos == -1) {
        makeAbstract.prefixWith(classTree, Joiner.on(' ').join(modifiers.build()));
    } else {
        makeAbstract.replace(classTree.getModifiers(), Joiner.on(' ').join(modifiers.build()));
    }
    if (wasFinal && HAS_GENERATED_CONSTRUCTOR.matches(classTree, state)) {
        makeAbstract.merge(addPrivateConstructor(classTree));
    }
    return makeAbstract;
}

Example 15 with AnnotationTree

use of com.sun.source.tree.AnnotationTree in project error-prone by google.

the class AutoFactoryAtInject method matchAnnotation.

@Override
public final Description matchAnnotation(AnnotationTree annotationTree, VisitorState state) {
    if (!IS_APPLICATION_OF_AT_INJECT.matches(annotationTree, state)) {
        return Description.NO_MATCH;
    }
    Tree annotatedTree = getCurrentlyAnnotatedNode(state);
    if (!annotatedTree.getKind().equals(METHOD) || !methodIsConstructor().matches((MethodTree) annotatedTree, state)) {
        return Description.NO_MATCH;
    }
    ClassTree classTree = findEnclosingNode(state.getPath(), ClassTree.class);
    ImmutableList<Tree> potentiallyAnnotatedTrees = new ImmutableList.Builder<Tree>().add(classTree).addAll(getConstructors(classTree)).build();
    for (Tree potentiallyAnnotatedTree : potentiallyAnnotatedTrees) {
        if (HAS_AUTO_FACTORY_ANNOTATION.matches(potentiallyAnnotatedTree, state)) {
            return describeMatch(annotationTree, SuggestedFix.delete(annotationTree));
        }
    }
    return Description.NO_MATCH;
}