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