1// [The "BSD licence"]
2// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit
3// All rights reserved.
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions
7// are met:
8// 1. Redistributions of source code must retain the above copyright
9//    notice, this list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright
11//    notice, this list of conditions and the following disclaimer in the
12//    documentation and/or other materials provided with the distribution.
13// 3. The name of the author may not be used to endorse or promote products
14//    derived from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27#import "ANTLRParserRuleReturnScope.h"
28
29
30@implementation ANTLRParserRuleReturnScope
31
32@synthesize start;
33@synthesize stopToken;
34
35- (void) dealloc
36{
37    [self setStart:nil];
38    [self setStop:nil];
39    [super dealloc];
40}
41
42- (id<ANTLRToken>) getStart
43{
44    return start; 
45}
46
47- (void) setStart: (id<ANTLRToken>) aStart
48{
49    if (start != aStart) {
50        [aStart retain];
51        if ( start ) [start release];
52        start = aStart;
53    }
54}
55
56- (id<ANTLRToken>) getStop
57{
58    return stopToken; 
59}
60
61- (void) setStop: (id<ANTLRToken>) aStop
62{
63    if (stopToken != aStop) {
64        [aStop retain];
65        if ( stopToken ) [stopToken release];
66        stopToken = aStop;
67    }
68}
69
70// create a copy, including the text if available
71// the input stream is *not* copied!
72- (id) copyWithZone:(NSZone *)theZone
73{
74    ANTLRParserRuleReturnScope *copy = [super copyWithZone:theZone];
75    copy.start = start;
76    copy.stopToken = stopToken;
77    return copy;
78}
79
80@end
81