1// 2// ANTLRTreeRuleReturnScope.m 3// ANTLR 4// 5// Created by Alan Condit on 6/17/10. 6// [The "BSD licence"] 7// Copyright (c) 2010 Alan Condit 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#import "ANTLRTreeRuleReturnScope.h" 33 34 35@implementation ANTLRTreeRuleReturnScope 36@synthesize start; 37 38+ (id) newReturnScope 39{ 40 return [[ANTLRTreeRuleReturnScope alloc] init]; 41} 42 43- (id) init 44{ 45 self = [super init]; 46 return self; 47} 48 49- (void) dealloc 50{ 51#ifdef DEBUG_DEALLOC 52 NSLog( @"called dealloc in ANTLRTreeRuleReturnScope" ); 53#endif 54 if ( start ) [start release]; 55 [super dealloc]; 56} 57 58- (ANTLRCommonTree *)getStart 59{ 60 return start; 61} 62 63- (void)setStart:(ANTLRCommonTree *)aStart 64{ 65 if ( start != aStart ) { 66 if ( start ) [start release]; 67 [aStart retain]; 68 } 69 start = aStart; 70} 71 72// create a copy, including the text if available 73// the input stream is *not* copied! 74- (id) copyWithZone:(NSZone *)theZone 75{ 76 ANTLRTreeRuleReturnScope *copy = [super copyWithZone:theZone]; 77 copy.start = start; 78 return copy; 79} 80 81@end 82