1/* 2 * [The "BSD licence"] 3 * Copyright (c) 2011 Terence Parr 4 * All rights reserved. 5 * 6 * Conversion to C#: 7 * Copyright (c) 2011 Sam Harwell, Pixel Mine, Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33namespace Antlr.Runtime 34{ 35 using CLSCompliant = System.CLSCompliantAttribute; 36 37 /** <summary> 38 * Rules that return more than a single value must return an object 39 * containing all the values. Besides the properties defined in 40 * RuleLabelScope.predefinedRulePropertiesScope there may be user-defined 41 * return values. This class simply defines the minimum properties that 42 * are always defined and methods to access the others that might be 43 * available depending on output option such as template and tree. 44 * </summary> 45 * 46 * <remarks> 47 * Note text is not an actual property of the return value, it is computed 48 * from start and stop using the input stream's toString() method. I 49 * could add a ctor to this so that we can pass in and store the input 50 * stream, but I'm not sure we want to do that. It would seem to be undefined 51 * to get the .text property anyway if the rule matches tokens from multiple 52 * input streams. 53 * 54 * I do not use getters for fields of objects that are used simply to 55 * group values such as this aggregate. The getters/setters are there to 56 * satisfy the superclass interface. 57 * </remarks> 58 */ 59 public class ParserRuleReturnScope<TToken> : IRuleReturnScope<TToken> 60 { 61 private TToken _start; 62 private TToken _stop; 63 64 public TToken Start 65 { 66 get 67 { 68 return _start; 69 } 70 71 set 72 { 73 _start = value; 74 } 75 } 76 77 public TToken Stop 78 { 79 get 80 { 81 return _stop; 82 } 83 84 set 85 { 86 _stop = value; 87 } 88 } 89 90 object IRuleReturnScope.Start 91 { 92 get 93 { 94 return Start; 95 } 96 } 97 98 object IRuleReturnScope.Stop 99 { 100 get 101 { 102 return Stop; 103 } 104 } 105 } 106} 107