1// 2// ANTLRBaseRecognizer.m 3// ANTLR 4// 5// Created by Alan Condit on 6/16/10. 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#define SUCCESS (0) 33#define FAILURE (-1) 34 35#import "ANTLRBaseStack.h" 36#import "ANTLRTree.h" 37 38/* 39 * Start of ANTLRBaseStack 40 */ 41@implementation ANTLRBaseStack 42 43@synthesize LastHash; 44 45+(ANTLRBaseStack *)newANTLRBaseStack 46{ 47 return [[ANTLRBaseStack alloc] init]; 48} 49 50+(ANTLRBaseStack *)newANTLRBaseStackWithLen:(NSInteger)cnt 51{ 52 return [[ANTLRBaseStack alloc] initWithLen:cnt]; 53} 54 55-(id)init 56{ 57 self = [super initWithLen:HASHSIZE]; 58 if ( self != nil ) { 59 } 60 return( self ); 61} 62 63-(id)initWithLen:(NSInteger)cnt 64{ 65 self = [super initWithLen:cnt]; 66 if ( self != nil ) { 67 } 68 return( self ); 69} 70 71- (void)dealloc 72{ 73#ifdef DEBUG_DEALLOC 74 NSLog( @"called dealloc in ANTLRBaseStack" ); 75#endif 76 [super dealloc]; 77} 78 79- (id) copyWithZone:(NSZone *)aZone 80{ 81 ANTLRBaseStack *copy; 82 83 copy = [super copyWithZone:aZone]; 84 return copy; 85} 86 87- (NSUInteger)count 88{ 89 NSUInteger aCnt = 0; 90 91 for (int i = 0; i < BuffSize; i++) { 92 if (ptrBuffer[i] != nil) { 93 aCnt++; 94 } 95 } 96 return aCnt; 97} 98 99- (NSUInteger) size 100{ 101 return BuffSize; 102} 103 104-(void)deleteANTLRBaseStack:(ANTLRBaseStack *)np 105{ 106 id tmp, rtmp; 107 NSInteger idx; 108 109 if ( self.fNext != nil ) { 110 for( idx = 0; idx < BuffSize; idx++ ) { 111 tmp = (ANTLRLinkBase *)ptrBuffer[idx]; 112 while ( tmp ) { 113 rtmp = tmp; 114 tmp = [tmp getfNext]; 115 [rtmp release]; 116 } 117 } 118 } 119} 120 121- (NSInteger)getLastHash 122{ 123 return LastHash; 124} 125 126- (void)setLastHash:(NSInteger)aVal 127{ 128 LastHash = aVal; 129} 130 131@end 132