| // |
| // ANTLRSymbolStack.m |
| // ANTLR |
| // |
| // Created by Alan Condit on 6/9/10. |
| // [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. |
| |
| #define SUCCESS (0) |
| #define FAILURE (-1) |
| |
| #import "ANTLRSymbolStack.h" |
| #import "ANTLRTree.h" |
| |
| |
| @implementation ANTLRSymbolsScope |
| |
| + (ANTLRSymbolsScope *)newANTLRSymbolsScope |
| { |
| return( [[ANTLRSymbolsScope alloc] init] ); |
| } |
| |
| - (id)init |
| { |
| if ((self = [super init]) != nil) { |
| } |
| return (self); |
| } |
| |
| @end |
| |
| /* |
| * Start of ANTLRSymbolStack |
| */ |
| @implementation ANTLRSymbolStack |
| |
| +(ANTLRSymbolStack *)newANTLRSymbolStack |
| { |
| return [[ANTLRSymbolStack alloc] initWithLen:30]; |
| } |
| |
| +(ANTLRSymbolStack *)newANTLRSymbolStackWithLen:(NSInteger)cnt |
| { |
| return [[ANTLRSymbolStack alloc] initWithLen:cnt]; |
| } |
| |
| -(id)init |
| { |
| if ((self = [super init]) != nil) { |
| } |
| return( self ); |
| } |
| |
| -(id)initWithLen:(NSInteger)cnt |
| { |
| if ((self = [super initWithLen:cnt]) != nil) { |
| } |
| return( self ); |
| } |
| |
| -(void)dealloc |
| { |
| #ifdef DEBUG_DEALLOC |
| NSLog( @"called dealloc in ANTLRSymbolStack" ); |
| #endif |
| [super dealloc]; |
| } |
| |
| - (id) copyWithZone:(NSZone *)aZone |
| { |
| return [super copyWithZone:aZone]; |
| } |
| |
| -(ANTLRSymbolsScope *)getHashMapEntry:(NSInteger)idx |
| { |
| return( (ANTLRSymbolsScope *)[super objectAtIndex:idx] ); |
| } |
| |
| -(ANTLRSymbolsScope **)getHashMap |
| { |
| return( (ANTLRSymbolsScope **)ptrBuffer ); |
| } |
| |
| -(ANTLRSymbolsScope *) pop |
| { |
| return (ANTLRSymbolsScope *)[super pop]; |
| } |
| |
| - (void) insertObject:(ANTLRSymbolsScope *)aRule atIndex:(NSInteger)idx |
| { |
| if ( aRule != ptrBuffer[idx] ) { |
| if ( ptrBuffer[idx] ) [ptrBuffer[idx] release]; |
| [aRule retain]; |
| } |
| ptrBuffer[idx] = aRule; |
| } |
| |
| - (ANTLRSymbolsScope *)objectAtIndex:(NSInteger)idx |
| { |
| return (ANTLRSymbolsScope *)[super objectAtIndex:idx]; |
| } |
| |
| @end |