1// 2// ANTLRSymbolStack.m 3// ANTLR 4// 5// Created by Alan Condit on 6/9/10. 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 "ANTLRSymbolStack.h" 36#import "ANTLRTree.h" 37 38 39@implementation ANTLRSymbolsScope 40 41+ (ANTLRSymbolsScope *)newANTLRSymbolsScope 42{ 43 return( [[ANTLRSymbolsScope alloc] init] ); 44} 45 46- (id)init 47{ 48 if ((self = [super init]) != nil) { 49 } 50 return (self); 51} 52 53@end 54 55/* 56 * Start of ANTLRSymbolStack 57 */ 58@implementation ANTLRSymbolStack 59 60+(ANTLRSymbolStack *)newANTLRSymbolStack 61{ 62 return [[ANTLRSymbolStack alloc] init]; 63} 64 65+(ANTLRSymbolStack *)newANTLRSymbolStackWithLen:(NSInteger)cnt 66{ 67 return [[ANTLRSymbolStack alloc] initWithLen:cnt]; 68} 69 70-(id)init 71{ 72 if ((self = [super init]) != nil) { 73 } 74 return( self ); 75} 76 77-(id)initWithLen:(NSInteger)cnt 78{ 79 if ((self = [super initWithLen:cnt]) != nil) { 80 } 81 return( self ); 82} 83 84-(void)dealloc 85{ 86 [super dealloc]; 87} 88 89- (id) copyWithZone:(NSZone *)aZone 90{ 91 return [super copyWithZone:aZone]; 92} 93 94-(ANTLRSymbolsScope *)getHashMapEntry:(NSInteger)idx 95{ 96 return( (ANTLRSymbolsScope *)[super objectAtIndex:idx] ); 97} 98 99-(ANTLRSymbolsScope **)getHashMap 100{ 101 return( (ANTLRSymbolsScope **)ptrBuffer ); 102} 103 104-(ANTLRSymbolsScope *) pop 105{ 106 return (ANTLRSymbolsScope *)[super pop]; 107} 108 109- (void) insertObject:(ANTLRSymbolsScope *)aRule atIndex:(NSInteger)idx 110{ 111 if (aRule != ptrBuffer[idx]) { 112 if (ptrBuffer[idx] != nil) [ptrBuffer[idx] release]; 113 [aRule retain]; 114 } 115 ptrBuffer[idx] = aRule; 116} 117 118- (ANTLRSymbolsScope *)objectAtIndex:(NSInteger)idx 119{ 120 return (ANTLRSymbolsScope *)[super objectAtIndex:idx]; 121} 122 123@end 124