Examples with TreePath com.sun.source.util.TreePath used on opensource projects

Example 76 with TreePath

use of com.sun.source.util.TreePath in project bazel by bazelbuild.

the class TreeUtils method enclosingOfClass.

/**
     * Gets the first enclosing tree in path, of the specified class
     *
     * @param path  the path defining the tree node
     * @param treeClass the class of the desired tree
     * @return the enclosing tree of the given type as given by the path
     */
public static <T extends Tree> T enclosingOfClass(final TreePath path, final Class<T> treeClass) {
    TreePath p = path;
    while (p != null) {
        Tree leaf = p.getLeaf();
        if (treeClass.isInstance(leaf))
            return treeClass.cast(leaf);
        p = p.getParentPath();
    }
    return null;
}

Example 77 with TreePath

use of com.sun.source.util.TreePath in project bazel by bazelbuild.

the class TreeUtils method enclosingTopLevelBlock.

public static /*@Nullable*/
BlockTree enclosingTopLevelBlock(TreePath path) {
    TreePath parpath = path.getParentPath();
    while (parpath != null && parpath.getLeaf().getKind() != Tree.Kind.CLASS) {
        path = parpath;
        parpath = parpath.getParentPath();
    }
    if (path.getLeaf().getKind() == Tree.Kind.BLOCK) {
        return (BlockTree) path.getLeaf();
    }
    return null;
}

Example 78 with TreePath

use of com.sun.source.util.TreePath in project bazel by bazelbuild.

the class TreeUtils method pathTillOfKind.

/**
     * Gets path to the the first enclosing tree with any one of the specified kinds.
     *
     * @param path  the path defining the tree node
     * @param kinds  the set of kinds of the desired tree
     * @return the path to the enclosing tree of the given type
     */
public static TreePath pathTillOfKind(final TreePath path, final Set<Tree.Kind> kinds) {
    TreePath p = path;
    while (p != null) {
        Tree leaf = p.getLeaf();
        assert leaf != null;
        /*nninvariant*/
        if (kinds.contains(leaf.getKind()))
            return p;
        p = p.getParentPath();
    }
    return null;
}

Example 79 with TreePath

use of com.sun.source.util.TreePath in project buck by facebook.

the class TreeBackedTreesTest method testGetTreeNullGetPathRoundtripTypeParameterElement.

@Test
public void testGetTreeNullGetPathRoundtripTypeParameterElement() throws IOException {
    compile("class Foo<T, U> { }");
    TypeParameterElement tElement = elements.getTypeElement("Foo").getTypeParameters().get(0);
    Tree tTree = trees.getTree(tElement);
    TreePath tPath = trees.getPath(tElement);
    // Odd behavior by javac, but we'll match it
    assertNull(tTree);
    assertSame(tElement, trees.getElement(tPath));
}

Example 80 with TreePath

use of com.sun.source.util.TreePath in project j2objc by google.

the class JavadocConverter method convertJavadoc.

/**
   * Returns an AST node for the javadoc comment of a specified class,
   * method, or field element.
   */
static Javadoc convertJavadoc(Element element, String source, JavacEnvironment env, boolean reportWarnings) {
    DocTrees docTrees = DocTrees.instance(env.task());
    TreePath path = docTrees.getPath(element);
    if (path == null) {
        throw new AssertionError("could not find tree path for element");
    }
    DCTree.DCDocComment docComment = (DCTree.DCDocComment) docTrees.getDocCommentTree(path);
    if (docComment == null) {
        // Declaration does not have a javadoc comment.
        return null;
    }
    JavadocConverter converter = new JavadocConverter(element, docComment, source, docTrees, path.getCompilationUnit(), reportWarnings);
    Javadoc result = new Javadoc();
    // First tag has no name.
    TagElement newTag = new TagElement();
    converter.scan(docComment.getFirstSentence(), newTag);
    converter.scan(docComment.getBody(), newTag);
    if (!newTag.getFragments().isEmpty()) {
        List<TreeNode> fragments = newTag.getFragments();
        int start = fragments.get(0).getStartPosition();
        TreeNode lastFragment = fragments.get(fragments.size() - 1);
        int end = start + lastFragment.getLength();
        converter.setPos(newTag, start, end);
        result.addTag(newTag);
    }
    for (DocTree tag : docComment.getBlockTags()) {
        if (tag.getKind() != DocTree.Kind.ERRONEOUS) {
            newTag = new TagElement();
            converter.scan(tag, newTag);
            result.addTag(newTag);
        }
    }
    return result;
}