| // |
| // ANTLRRuleMemo.m |
| // ANTLR |
| // |
| // Created by Alan Condit on 6/16/10. |
| // [The "BSD licence"] |
| // Copyright (c) 2010 Alan Condit |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // 1. Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // 2. Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in the |
| // documentation and/or other materials provided with the distribution. |
| // 3. The name of the author may not be used to endorse or promote products |
| // derived from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #import "ANTLRRuleMemo.h" |
| |
| |
| @implementation ANTLRRuleMemo |
| |
| @synthesize startIndex; |
| @synthesize stopIndex; |
| |
| + (ANTLRRuleMemo *)newANTLRRuleMemo |
| { |
| return [[ANTLRRuleMemo alloc] init]; |
| } |
| |
| + (ANTLRRuleMemo *)newANTLRRuleMemoWithStartIndex:(NSNumber *)anIndex StopIndex:(NSNumber *)aStopIndex |
| { |
| return [[ANTLRRuleMemo alloc] initWithStartIndex:anIndex StopIndex:aStopIndex]; |
| } |
| |
| - (id) init |
| { |
| if ((self = [super init]) != nil ) { |
| startIndex = nil; |
| stopIndex = nil; |
| } |
| return (self); |
| } |
| |
| - (id) initWithStartIndex:(NSNumber *)aStartIndex StopIndex:(NSNumber *)aStopIndex |
| { |
| if ((self = [super init]) != nil ) { |
| [aStartIndex retain]; |
| startIndex = aStartIndex; |
| [aStopIndex retain]; |
| stopIndex = aStopIndex; |
| } |
| return (self); |
| } |
| |
| - (id) copyWithZone:(NSZone *)aZone |
| { |
| ANTLRRuleMemo *copy; |
| |
| copy = [super copyWithZone:aZone]; |
| copy.startIndex = startIndex; |
| copy.stopIndex = stopIndex; |
| return( copy ); |
| } |
| |
| - (NSInteger)count |
| { |
| NSInteger aCnt = 0; |
| |
| if (startIndex != nil) aCnt++; |
| if (stopIndex != nil) aCnt++; |
| return aCnt; |
| } |
| |
| - (NSInteger) size |
| { |
| return (2 * sizeof(id)); |
| } |
| |
| - (ANTLRRuleMemo *)getRuleWithStartIndex:(NSInteger)aStartIndex |
| { |
| ANTLRRuleMemo *aMatchMemo = self; |
| do { |
| if (aStartIndex == [aMatchMemo.startIndex integerValue] ) { |
| return aMatchMemo; |
| } |
| aMatchMemo = aMatchMemo.fNext; |
| } while ( aMatchMemo != nil ); |
| return nil; |
| } |
| |
| - (NSNumber *)getStartIndex:(NSInteger)aStartIndex |
| { |
| ANTLRRuleMemo *aMatchMemo = self; |
| do { |
| if (aStartIndex == [aMatchMemo.startIndex integerValue] ) { |
| return aMatchMemo.stopIndex; |
| } |
| aMatchMemo = aMatchMemo.fNext; |
| } while ( aMatchMemo != nil ); |
| return nil; |
| } |
| |
| - (NSNumber *)getStopIndex:(NSInteger)aStartIndex |
| { |
| ANTLRRuleMemo *aMatchMemo = self; |
| do { |
| if (aStartIndex == [aMatchMemo.startIndex integerValue] ) { |
| return aMatchMemo.stopIndex; |
| } |
| aMatchMemo = aMatchMemo.fNext; |
| } while ( aMatchMemo != nil ); |
| return nil; |
| } |
| |
| - (NSNumber *)getStartIndex; |
| { |
| return startIndex; |
| } |
| |
| - (void)setStartIndex:(NSNumber *)aStartIndex |
| { |
| if ( aStartIndex != startIndex ) { |
| if ( startIndex ) [startIndex release]; |
| [aStartIndex retain]; |
| } |
| startIndex = aStartIndex; |
| } |
| |
| - (NSNumber *)getStopIndex; |
| { |
| return stopIndex; |
| } |
| |
| - (void)setStopIndex:(NSNumber *)aStopIndex |
| { |
| if ( aStopIndex != stopIndex ) { |
| if ( stopIndex ) [stopIndex release]; |
| [aStopIndex retain]; |
| } |
| stopIndex = aStopIndex; |
| } |
| |
| @end |