Java DCTree类代码示例

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
private void doAccept(DCTree t) {
//        int start = toString().length();

//        if (!handlePossibleOldTrees(Collections.singletonList(t), false)) {
            t.accept(this, null);
//        }

//        int end = toString().length();

//        System.err.println("t: " + t);
//        System.err.println("thr=" + System.identityHashCode(t));
//        Object tag = tree2Tag != null ? tree2Tag.get(t) : null;
//
//        if (tag != null) {
//            tag2Span.put(tag, new int[]{start + initialOffset, end + initialOffset});
//        }
    }
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitStartElement(StartElementTree node, Void p) {
    print("<");
    print(node.getName());
    java.util.List<? extends DocTree> attrs = node.getAttributes();
    if (!attrs.isEmpty()) {
        print(" ");
        for (DocTree docTree : attrs) {
            doAccept((DCTree)docTree);
        }
        DocTree last = attrs.get(attrs.size() - 1);
        if (node.isSelfClosing() && last instanceof AttributeTree
                && ((AttributeTree) last).getValueKind() == ValueKind.UNQUOTED)
            print(" ");
    }
    if (node.isSelfClosing())
        print("/");
    print(">");
    return null;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitParam(ParamTree node, Void p) {
    printTagName(node);
    needSpace();
    if(node.isTypeParameter()) {
       print('<');
    }
    doAccept((DCTree)node.getName());
    if(node.isTypeParameter()) {
       print('>');
    }
    if(!node.getDescription().isEmpty()) {
        needSpace();
    }
    for (DocTree docTree : node.getDescription()) {
        doAccept((DCTree)docTree);
    }
    return null;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
public DCDocComment parse() {
    String c = comment.getText();
    buf = new char[c.length() + 1];
    c.getChars(0, c.length(), buf, 0);
    buf[buf.length - 1] = EOI;
    buflen = buf.length - 1;
    bp = -1;
    nextChar();

    List<DCTree> body = blockContent();
    List<DCTree> tags = blockTags();
    int pos = !body.isEmpty()
            ? body.head.pos
            : !tags.isEmpty() ? tags.head.pos : Position.NOPOS;

    DCDocComment dc = m.at(pos).newDocCommentTree(comment, body, tags);
    return dc;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
/**
 * Fully qualifies a javadoc reference, e.g. for replacing {@code {@link List}} with {@code {@link
 * java.util.List}}
 *
 * @param fix the fix builder to add to
 * @param docPath the path to a {@link DCTree.DCReference} element
 */
public static void qualifyDocReference(
    SuggestedFix.Builder fix, DocTreePath docPath, VisitorState state) {

  DocTree leaf = docPath.getLeaf();
  checkArgument(
      leaf.getKind() == DocTree.Kind.REFERENCE,
      "expected a path to a reference, got %s instead",
      leaf.getKind());
  DCTree.DCReference reference = (DCTree.DCReference) leaf;

  Symbol sym = (Symbol) JavacTrees.instance(state.context).getElement(docPath);
  if (sym == null) {
    return;
  }
  String refString = reference.toString();
  String qualifiedName;
  int idx = refString.indexOf('#');
  if (idx >= 0) {
    qualifiedName = sym.owner.getQualifiedName() + refString.substring(idx, refString.length());
  } else {
    qualifiedName = sym.getQualifiedName().toString();
  }

  replaceDocTree(fix, docPath, qualifiedName);
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Description matchClass(ClassTree tree, final VisitorState state) {
  final DCTree.DCDocComment comment =
      ((JCTree.JCCompilationUnit) state.getPath().getCompilationUnit())
          .docComments.getCommentTree((JCTree) tree);
  if (comment == null) {
    return Description.NO_MATCH;
  }
  final SuggestedFix.Builder fix = SuggestedFix.builder();
  new DocTreePathScanner<Void, Void>() {
    @Override
    public Void visitLink(LinkTree node, Void aVoid) {
      SuggestedFixes.qualifyDocReference(
          fix, new DocTreePath(getCurrentPath(), node.getReference()), state);
      return null;
    }
  }.scan(new DocTreePath(state.getPath(), comment), null);
  if (fix.isEmpty()) {
    return Description.NO_MATCH;
  }
  return describeMatch(tree, fix.build());
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
protected final UnknownBlockTagTree rewriteChildren(UnknownBlockTagTree tree) {
    UnknownBlockTagTree value = tree;
    List<? extends DocTree> content = translateDoc(tree.getContent());
    if (content != tree.getContent()) {
        value = make.UnknownBlockTag(((DCTree.DCUnknownBlockTag) tree).name, tree.getContent());
    }
    return value;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
public void print(DCTree t, boolean noMarginAfter) {
    if (t == null) return;
    blankLines(t, true, false);
    toLeftMargin();
    doAccept(t);
    blankLines(t, false, noMarginAfter);
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
/**
 * The following tags are block-tags
 * <ul>
 * <li>@author (classes and interfaces only, required)</li>
 * <li>@version (classes and interfaces only, required. See footnote 1)</li>
 * <li>@param (methods and constructors only)</li>
 * <li>@return (methods only)</li>
 * <li>@exception (</li>
 * <li>@throws is a synonym added in Javadoc 1.2)</li>
 * <li>@see</li>
 * <li>@since</li>
 * <li>@serial (or @serialField or @serialData)</li>
 * <li>@deprecated (see How and When To Deprecate APIs)</li>
 * </ul>
 */
private void blankLines(DCTree tree, boolean before, boolean suppressMarginAfter) {
    if (tree == null) {
        return;
    }
    switch (tree.getKind()) {
        case AUTHOR:
        case DEPRECATED:
        case EXCEPTION:
        case PARAM:
        case RETURN:
        case SEE:
        case SERIAL:
        case SERIAL_DATA:
        case SERIAL_FIELD:
        case SINCE:
        case THROWS:
        case UNKNOWN_BLOCK_TAG:
        case VERSION:
            if(before) {
                newline();
                toLeftMargin();
                print(" * ");
            }
            break;
        case DOC_COMMENT:
            if(before) {
                blankline();
            } else {
                newline();
            }
            if (!suppressMarginAfter) {
                toLeftMargin();
            }
            break;
        default:
            break;
    }
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitAttribute(AttributeTree node, Void p) {
    print(node.getName());
    String quote;
    switch (node.getValueKind()) {
        case EMPTY:
            return null;
        case UNQUOTED:
            quote = "";
            break;
        case SINGLE:
            quote = "'";
            break;
        case DOUBLE:
            quote = "\"";
            break;
        default:
            throw new AssertionError();
    }
    print("=");
    print(quote);
    for (DocTree docTree : node.getValue()) {
        doAccept((DCTree)docTree);
    }
    print(quote);
    return null;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitAuthor(AuthorTree node, Void p) {
    printTagName(node);
    print(" ");
    for (DocTree docTree : node.getName()) {
        doAccept((DCTree)docTree);
    }
    return null;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitDeprecated(DeprecatedTree node, Void p) {
    printTagName(node);
    if (!node.getBody().isEmpty()) {
        needSpace();
        for (DocTree docTree : node.getBody()) {
            doAccept((DCTree)docTree);
        }
    }
    return null;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitHidden(HiddenTree node, Void p) {
    printTagName(node);
    if (!node.getBody().isEmpty()) {
        print(" ");
        for (DocTree docTree : node.getBody()) {
            doAccept((DCTree)docTree);
        }
    }
    return null;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitIndex(IndexTree node, Void p) {
    print("{");
    printTagName(node);
    print(" ");
    doAccept((DCTree)node.getSearchTerm());
    if (!node.getDescription().isEmpty()) {
        print(" ");
        for (DocTree docTree : node.getDescription()) {
            doAccept((DCTree)docTree);
        }
    }
    print("}");
    return null;
}
 

import com.sun.tools.javac.tree.DCTree; //导入依赖的package包/类
@Override
public Void visitLink(LinkTree node, Void p) {
    print("{");
    printTagName(node);
    print(" ");
    doAccept((DCTree)node.getReference());
    if (!node.getLabel().isEmpty()) {
        print(" ");
        for (DocTree docTree : node.getLabel()) {
            doAccept((DCTree)docTree);
        }
    }
    print("}");
    return null;
}