1/* 2 * Copyright (c) 1994, 2003, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package sun.tools.tree; 27 28import sun.tools.java.*; 29import sun.tools.asm.Assembler; 30 31/** 32 * WARNING: The contents of this source file are not part of any 33 * supported API. Code that depends on them does so at its own risk: 34 * they are subject to change or removal without notice. 35 */ 36public 37class PositiveExpression extends UnaryExpression { 38 /** 39 * Constructor 40 */ 41 public PositiveExpression(long where, Expression right) { 42 super(POS, where, right.type, right); 43 } 44 45 /** 46 * Select the type of the expression 47 */ 48 void selectType(Environment env, Context ctx, int tm) { 49 if ((tm & TM_DOUBLE) != 0) { 50 type = Type.tDouble; 51 } else if ((tm & TM_FLOAT) != 0) { 52 type = Type.tFloat; 53 } else if ((tm & TM_LONG) != 0) { 54 type = Type.tLong; 55 } else { 56 type = Type.tInt; 57 } 58 right = convert(env, ctx, type, right); 59 } 60 61 /** 62 * Simplify 63 */ 64 Expression simplify() { 65 return right; 66 } 67} 68