1579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/* 2579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Copyright (C) 2008 The Android Open Source Project 3579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 4579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Licensed under the Apache License, Version 2.0 (the "License"); 5579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * you may not use this file except in compliance with the License. 6579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * You may obtain a copy of the License at 7579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 8579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 9579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 10579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Unless required by applicable law or agreed to in writing, software 11579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 12579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * See the License for the specific language governing permissions and 14579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * limitations under the License. 15579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 16579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 17579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpackage com.android.dx.rop.cst; 18579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 19579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.type.Type; 20579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 21579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/** 22579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constant type to represent a reference to a particular constant 23579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * value of an enumerated type. 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic final class CstEnumRef extends CstMemberRef { 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code null-ok;} the corresponding field ref, lazily initialized */ 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson private CstFieldRef fieldRef; 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constructs an instance. 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param nat {@code non-null;} the name-and-type; the defining class is derived 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * from this 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public CstEnumRef(CstNat nat) { 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson super(new CstType(nat.getFieldType()), nat); 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson fieldRef = null; 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String typeName() { 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "enum"; 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * {@inheritDoc} 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * <b>Note:</b> This returns the enumerated type. 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public Type getType() { 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return getDefiningClass().getClassType(); 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Get a {@link CstFieldRef} that corresponds with this instance. 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return {@code non-null;} the corresponding field reference 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public CstFieldRef getFieldRef() { 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson if (fieldRef == null) { 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson fieldRef = new CstFieldRef(getDefiningClass(), getNat()); 64579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 65579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 66579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return fieldRef; 67579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 68579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 69