Java Code Examples for com.sun.tools.javac.util.ListBuffer#addAll()

private void completeAutomaticModule(ModuleSymbol msym) throws CompletionFailure {
    ListBuffer<Directive> directives = new ListBuffer<>();

    directives.addAll(msym.directives);

    ListBuffer<RequiresDirective> requires = new ListBuffer<>();

    for (ModuleSymbol ms : allModules()) {
        if (ms == syms.unnamedModule || ms == msym)
            continue;
        Set<RequiresFlag> flags = (ms.flags_field & Flags.AUTOMATIC_MODULE) != 0 ?
                EnumSet.of(RequiresFlag.TRANSITIVE) : EnumSet.noneOf(RequiresFlag.class);
        RequiresDirective d = new RequiresDirective(ms, flags);
        directives.add(d);
        requires.add(d);
    }

    RequiresDirective requiresUnnamed = new RequiresDirective(syms.unnamedModule);
    directives.add(requiresUnnamed);
    requires.add(requiresUnnamed);

    msym.requires = requires.toList();
    msym.directives = directives.toList();
}
 

private void completeAutomaticModule(ModuleSymbol msym) throws CompletionFailure {
    ListBuffer<Directive> directives = new ListBuffer<>();

    directives.addAll(msym.directives);

    ListBuffer<RequiresDirective> requires = new ListBuffer<>();

    for (ModuleSymbol ms : allModules()) {
        if (ms == syms.unnamedModule || ms == msym)
            continue;
        Set<RequiresFlag> flags = (ms.flags_field & Flags.AUTOMATIC_MODULE) != 0 ?
                EnumSet.of(RequiresFlag.TRANSITIVE) : EnumSet.noneOf(RequiresFlag.class);
        RequiresDirective d = new RequiresDirective(ms, flags);
        directives.add(d);
        requires.add(d);
    }

    RequiresDirective requiresUnnamed = new RequiresDirective(syms.unnamedModule);
    directives.add(requiresUnnamed);
    requires.add(requiresUnnamed);

    msym.requires = requires.toList();
    msym.directives = directives.toList();
}
 

@Override
public void visitClassDef(JCClassDecl tree) {
    if ((tree.mods.flags & (INTERFACE | ENUM)) == 0 &&
            !tree.getMembers().stream()
            .anyMatch(t -> t.getKind() == Tree.Kind.METHOD &&
            ((MethodTree) t).getName() == tree.name.table.names.init)) {
        // Generate a default constructor, since
        // this is a regular class and there are no constructors
        ListBuffer<JCTree> ndefs = new ListBuffer<>();
        ndefs.addAll(tree.defs);
        ndefs.add(make.MethodDef(make.Modifiers(PUBLIC),
                tree.name.table.names.init,
                null, List.nil(), List.nil(), List.nil(),
                resolutionExceptionBlock(), null));
        tree.defs = ndefs.toList();
    }
    super.visitClassDef(tree);
}
 

@Override @DefinedBy(Api.COMPILER_TREE)
public DCDocComment newDocCommentTree(List<? extends DocTree> fullBody, List<? extends DocTree> tags) {
    ListBuffer<DCTree> lb = new ListBuffer<>();
    lb.addAll(cast(fullBody));
    List<DCTree> fBody = lb.toList();

    // A dummy comment to keep the diagnostics logic happy.
    Comment c = new Comment() {
        @Override
        public String getText() {
            return null;
        }

        @Override
        public int getSourcePos(int index) {
            return Position.NOPOS;
        }

        @Override
        public CommentStyle getStyle() {
            return CommentStyle.JAVADOC;
        }

        @Override
        public boolean isDeprecated() {
            return false;
        }
    };
    Pair<List<DCTree>, List<DCTree>> pair = splitBody(fullBody);
    DCDocComment tree = new DCDocComment(c, fBody, pair.fst, pair.snd, cast(tags));
    return tree;
}
 

/**
 * Performs speculative attribution of a lambda body and returns the speculative lambda tree,
 * in the absence of a target-type. Since {@link Attr#visitLambda(JCLambda)} cannot type-check
 * lambda bodies w/o a suitable target-type, this routine 'unrolls' the lambda by turning it
 * into a regular block, speculatively type-checks the block and then puts back the pieces.
 */
JCLambda attribSpeculativeLambda(JCLambda that, Env<AttrContext> env, ResultInfo resultInfo) {
    ListBuffer<JCStatement> stats = new ListBuffer<>();
    stats.addAll(that.params);
    if (that.getBodyKind() == JCLambda.BodyKind.EXPRESSION) {
        stats.add(make.Return((JCExpression)that.body));
    } else {
        stats.add((JCBlock)that.body);
    }
    JCBlock lambdaBlock = make.Block(0, stats.toList());
    Env<AttrContext> localEnv = attr.lambdaEnv(that, env);
    try {
        localEnv.info.returnResult = resultInfo;
        JCBlock speculativeTree = (JCBlock)attribSpeculative(lambdaBlock, localEnv, resultInfo);
        List<JCVariableDecl> args = StreamSupport.stream(speculativeTree.getStatements())
                .filter(s -> s.hasTag(Tag.VARDEF))
                .map(t -> (JCVariableDecl)t)
                .collect(List.collector());
        JCTree lambdaBody = speculativeTree.getStatements().last();
        if (lambdaBody.hasTag(Tag.RETURN)) {
            lambdaBody = ((JCReturn)lambdaBody).expr;
        }
        JCLambda speculativeLambda = make.Lambda(args, lambdaBody);
        attr.preFlow(speculativeLambda);
        flow.analyzeLambda(env, speculativeLambda, make, false);
        return speculativeLambda;
    } finally {
        localEnv.info.scope.leave();
    }
}
 

@Override @DefinedBy(Api.COMPILER_TREE)
public DCDocComment newDocCommentTree(List<? extends DocTree> fullBody, List<? extends DocTree> tags) {
    ListBuffer<DCTree> lb = new ListBuffer<>();
    lb.addAll(cast(fullBody));
    List<DCTree> fBody = lb.toList();

    // A dummy comment to keep the diagnostics logic happy.
    Comment c = new Comment() {
        @Override
        public String getText() {
            return null;
        }

        @Override
        public int getSourcePos(int index) {
            return Position.NOPOS;
        }

        @Override
        public CommentStyle getStyle() {
            return CommentStyle.JAVADOC;
        }

        @Override
        public boolean isDeprecated() {
            return false;
        }
    };
    Pair<List<DCTree>, List<DCTree>> pair = splitBody(fullBody);
    DCDocComment tree = new DCDocComment(c, fBody, pair.fst, pair.snd, cast(tags));
    return tree;
}
 

/**
 * Obtains a Javadoc root document object for the specified source path and package/Java names.
 * If the source path is null, then the working directory is assumed as the source path.
 *
 * <p>If a list of package names is provided, then Javadoc will run on these packages and all
 * their subpackages, based out of the specified source path.
 *
 * <p>If a list of file names is provided, then Javadoc will also run on these Java source files.
 * The specified source path is not considered in this case.
 *
 * @see <a href="http://relation.to/12969.lace">Testing Java doclets</a>
 * @see <a href="http://www.docjar.com/docs/api/com/sun/tools/javadoc/JavadocTool.html">JavadocTool</a>
 */
private static RootDoc createRootDoc(
    @Nullable String sourcePath,
    Collection<String> packageNames,
    Collection<String> fileNames,
    long visibilityMask,
    boolean quiet) throws IOException {
  // Create a context to hold settings for Javadoc.
  Context context = new Context();

  // Redirect Javadoc stdout/stderr to null writers, since otherwise the Java compiler
  // issues lots of errors for classes that are imported and visible to blaze but not
  // visible locally to the compiler.
  // TODO(b/19124943): Find a way to ignore those errors so we can show real ones?
  Messager.preRegister(
      context,
      JavadocWrapper.class.getName(),
      new PrintWriter(CharStreams.nullWriter()),     // For errors.
      new PrintWriter(CharStreams.nullWriter()),     // For warnings.
      new PrintWriter(CharStreams.nullWriter()));    // For notices.

  // Set source path option for Javadoc.
  try (JavacFileManager fileManager = new JavacFileManager(context, true, UTF_8)) {
    List<File> sourcePathFiles = new ArrayList<>();
    if (sourcePath != null) {
      for (String sourcePathEntry : Splitter.on(':').split(sourcePath)) {
        sourcePathFiles.add(new File(sourcePathEntry));
      }
    }
    fileManager.setLocation(StandardLocation.SOURCE_PATH, sourcePathFiles);

    // Create an instance of Javadoc.
    JavadocTool javadocTool = JavadocTool.make0(context);

    // Convert the package and file lists to a format Javadoc can understand.
    ListBuffer<String> subPackages = new ListBuffer<>();
    subPackages.addAll(packageNames);
    ListBuffer<String> javaNames = new ListBuffer<>();
    javaNames.addAll(fileNames);

    // Invoke Javadoc and ask it for a RootDoc containing the specified packages.
    return javadocTool.getRootDocImpl(
        Locale.US.toString(),                    // Javadoc comment locale
        UTF_8.name(),                            // Source character encoding
        new ModifierFilter(visibilityMask),      // Element visibility filter
        javaNames.toList(),                      // Included Java file names
        com.sun.tools.javac.util.List.nil(),     // Doclet options
        com.sun.tools.javac.util.List.nil(),     // Source files
        false,                                   // Don't use BreakIterator
        subPackages.toList(),                    // Included sub-package names
        com.sun.tools.javac.util.List.nil(),     // Excluded package names
        false,                                   // Read source files, not classes
        false,                                   // Don't run legacy doclet
        quiet);                                  // If asked, run Javadoc quietly
  }
}