import com.sun.tools.javac.tree.DocCommentTable; //导入依赖的package包/类
static void attach(final JCTree node, String docCommentContent, Object map_) {
	final String docCommentContent_ = docCommentContent;
	((DocCommentTable) map_).putComment(node, new Comment() {
		@Override public String getText() {
			return docCommentContent_;
		}
		
		@Override public int getSourcePos(int index) {
			return -1;
		}
		
		@Override public CommentStyle getStyle() {
			return CommentStyle.JAVADOC;
		}
		
		@Override public boolean isDeprecated() {
			return JavacHandlerUtil.nodeHasDeprecatedFlag(node);
		}
	});
}
 

import com.sun.tools.javac.tree.DocCommentTable; //导入依赖的package包/类
@SuppressWarnings({"unchecked", "rawtypes"})
public PrettyPrinter(Writer out, JCCompilationUnit cu, List<CommentInfo> comments, FormatPreferences preferences) {
	this.out = out;
	this.comments = comments;
	this.compilationUnit = cu;
	this.formatPreferences = preferences;
	
	/* load doc comments */ {
		Object dc = getDocComments(compilationUnit);
		if (dc instanceof Map<?, ?>) {
			this.docComments = (Map) dc;
			this.docTable = null;
		} else if (dc instanceof DocCommentTable) {
			this.docComments = null;
			this.docTable = (DocCommentTable) dc;
		} else {
			this.docComments = null;
			this.docTable = null;
		}
	}
}
 

import com.sun.tools.javac.tree.DocCommentTable; //导入依赖的package包/类
static void copyJavadoc(JavacNode from, JCTree to, CopyJavadoc copyMode, Object dc) {
	DocCommentTable dct = (DocCommentTable) dc;
	Comment javadoc = dct.getComment(from.get());
	
	if (javadoc != null) {
		String[] filtered = copyMode.split(javadoc.getText());
		if (copyMode == CopyJavadoc.SETTER && shouldReturnThis(from)) {
			filtered[0] = addReturnsThisIfNeeded(filtered[0]);
		}
		dct.putComment(to, createJavadocComment(filtered[0], from));
		dct.putComment(from.get(), createJavadocComment(filtered[1], from));
	}
}
 

import com.sun.tools.javac.tree.DocCommentTable; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void loadDocCommentsTable(Object dc) {
	if (dc instanceof Map<?, ?>) this.docComments = (Map) dc;
	else if (dc instanceof DocCommentTable) this.docTable = (DocCommentTable) dc;
}