import com.sun.tools.javac.tree.DCTree.DCParam; //导入依赖的package包/类
private Symbol attributeParamIdentifier(TreePath path, DCParam ptag) {
    Symbol javadocSymbol = getElement(path);
    if (javadocSymbol == null)
        return null;
    ElementKind kind = javadocSymbol.getKind();
    List<? extends Symbol> params = List.nil();
    if (kind == ElementKind.METHOD || kind == ElementKind.CONSTRUCTOR) {
        MethodSymbol ee = (MethodSymbol) javadocSymbol;
        params = ptag.isTypeParameter()
                ? ee.getTypeParameters()
                : ee.getParameters();
    } else if (kind.isClass() || kind.isInterface()) {
        ClassSymbol te = (ClassSymbol) javadocSymbol;
        params = te.getTypeParameters();
    }

    for (Symbol param : params) {
        if (param.getSimpleName() == ptag.getName().getName()) {
            return param;
        }
    }
    return null;
}
 

import com.sun.tools.javac.tree.DCTree.DCParam; //导入依赖的package包/类
private int diffParam(DCDocComment doc, DCParam oldT, DCParam newT, int[] elementBounds) {
    int localpointer;
    if(oldT.isTypeParameter != newT.isTypeParameter) {
        if(oldT.isTypeParameter) {
            localpointer = getOldPos(oldT.name, doc);
            copyTo(elementBounds[0], localpointer - 1);
        } else {
            localpointer = getOldPos(oldT.name, doc);
            copyTo(elementBounds[0], localpointer);
            printer.print("<");
        }
    } else {
        localpointer = getOldPos(oldT.name, doc);
        copyTo(elementBounds[0], localpointer);
    }
    int nameEnd = endPos(oldT.name, doc);
    localpointer = diffDocTree(doc, oldT.name, newT.name, new int[] {localpointer, nameEnd});
    if(localpointer < nameEnd) {
        copyTo(localpointer, localpointer = nameEnd);
    }
    if(oldT.isTypeParameter) {
        localpointer++;
    }
    if(newT.isTypeParameter) {
        printer.print(">");
    }
    localpointer = diffList(doc, oldT.description, newT.description, localpointer, Measure.TAGS);
    if(localpointer < elementBounds[1]) {
        copyTo(localpointer, elementBounds[1]);
    }
    return elementBounds[1];
}
 

import com.sun.tools.javac.tree.DCTree.DCParam; //导入依赖的package包/类
@Override
public Element getElement(DocTreePath path) {
    DocTree forTree = path.getLeaf();
    if (forTree instanceof DCReference)
        return attributeDocReference(path.getTreePath(), ((DCReference) forTree));
    if (forTree instanceof DCIdentifier) {
        if (path.getParentPath().getLeaf() instanceof DCParam) {
            return attributeParamIdentifier(path.getTreePath(), (DCParam) path.getParentPath().getLeaf());
        }
    }
    return null;
}
 

import com.sun.tools.javac.tree.DCTree.DCParam; //导入依赖的package包/类
@Override @DefinedBy(Api.COMPILER_TREE)
public Element getElement(DocTreePath path) {
    DocTree forTree = path.getLeaf();
    if (forTree instanceof DCReference)
        return attributeDocReference(path.getTreePath(), ((DCReference) forTree));
    if (forTree instanceof DCIdentifier) {
        if (path.getParentPath().getLeaf() instanceof DCParam) {
            return attributeParamIdentifier(path.getTreePath(), (DCParam) path.getParentPath().getLeaf());
        }
    }
    return null;
}
 

import com.sun.tools.javac.tree.DCTree.DCParam; //导入依赖的package包/类
@Override @DefinedBy(Api.COMPILER_TREE)
public DCParam newParamTree(boolean isTypeParameter, IdentifierTree name, List<? extends DocTree> description) {
    DCParam tree = new DCParam(isTypeParameter, (DCIdentifier) name, cast(description));
    tree.pos = pos;
    return tree;
}