1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package com.sun.tools.jextract.tree;
  24 
  25 import java.util.Optional;
  26 import jdk.internal.clang.Cursor;
  27 import jdk.internal.clang.CursorKind;
  28 
  29 public class FieldTree extends Tree {
  30     FieldTree(Cursor c) {
  31         this(c, c.spelling());
  32     }
  33 
  34     private FieldTree(Cursor c, String name) {
  35         super(c, name);
  36     }
  37 
  38     @Override
  39     public FieldTree withName(String newName) {
  40         return name().equals(newName)? this : new FieldTree(cursor(), newName);
  41     }
  42 
  43     @Override
  44     public <R,D> R accept(TreeVisitor<R,D> visitor, D data) {
  45         return visitor.visitField(this, data);
  46     }
  47 
  48     public boolean isBitField() {
  49         return cursor().isBitField();
  50     }
  51 
  52     public Optional<Integer> bitFieldWidth() {
  53         return isBitField()? Optional.of(cursor().getBitFieldWidth()) : Optional.empty();
  54     }
  55 
  56     public boolean isEnumConstant() {
  57         return cursor().kind() == CursorKind.EnumConstantDecl;
  58     }
  59 
  60     public Optional<Long> enumConstant() {
  61         return isEnumConstant()? Optional.of(cursor().getEnumConstantValue()) : Optional.empty();
  62     }
  63 }