1// [The "BSD licence"] 2// Copyright (c) 2006-2007 Kay Roepke 3// All rights reserved. 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions 7// are met: 8// 1. Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// 2. Redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution. 13// 3. The name of the author may not be used to endorse or promote products 14// derived from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27#import "ANTLRDebugParser.h" 28 29 30@implementation ANTLRDebugParser 31 32- (id) initWithTokenStream:(id<ANTLRTokenStream>)theStream 33{ 34 return [self initWithTokenStream:theStream debugListener:nil debuggerPort:-1]; 35} 36 37- (id) initWithTokenStream:(id<ANTLRTokenStream>)theStream 38 debuggerPort:(NSInteger)portNumber 39{ 40 return [self initWithTokenStream:theStream debugListener:nil debuggerPort:portNumber]; 41} 42 43- (id) initWithTokenStream:(id<ANTLRTokenStream>)theStream 44 debugListener:(id<ANTLRDebugEventListener>)theDebugListener 45 debuggerPort:(NSInteger)portNumber 46{ 47 id<ANTLRDebugEventListener,NSObject> debugger = nil; 48 id<ANTLRTokenStream> tokenStream = nil; 49 if (theDebugListener) { 50 debugger = [(id<ANTLRDebugEventListener,NSObject>)theDebugListener retain]; 51 debugger = theDebugListener; 52 } else { 53 debugger = [[ANTLRDebugEventProxy alloc] initWithGrammarName:[self grammarFileName] debuggerPort:portNumber]; 54 } 55 if (theStream && ![theStream isKindOfClass:[ANTLRDebugTokenStream class]]) { 56 tokenStream = [[ANTLRDebugTokenStream alloc] initWithTokenStream:theStream debugListener:debugger]; 57 } else { 58 tokenStream = [theStream retain]; 59 tokenStream = theStream; 60 } 61 self = [super initWithTokenStream:tokenStream]; 62 if (self) { 63 [self setDebugListener:debugger]; 64 [debugger release]; 65 [tokenStream release]; 66 [debugListener waitForDebuggerConnection]; 67 } 68 return self; 69} 70 71- (void) dealloc 72{ 73 [self setDebugListener: nil]; 74 [super dealloc]; 75} 76 77- (id<ANTLRDebugEventListener>) debugListener 78{ 79 return debugListener; 80} 81 82- (void) setDebugListener: (id<ANTLRDebugEventListener>) aDebugListener 83{ 84 if (debugListener != aDebugListener) { 85 [(id<ANTLRDebugEventListener,NSObject>)aDebugListener retain]; 86 [(id<ANTLRDebugEventListener,NSObject>)debugListener release]; 87 debugListener = aDebugListener; 88 } 89} 90 91#pragma mark - 92#pragma mark Overrides 93 94- (void) beginResync 95{ 96 [debugListener beginResync]; 97} 98 99- (void) endResync 100{ 101 [debugListener endResync]; 102} 103- (void)beginBacktracking:(NSInteger)level 104{ 105 [debugListener beginBacktrack:level]; 106} 107 108- (void)endBacktracking:(NSInteger)level wasSuccessful:(BOOL)successful 109{ 110 [debugListener endBacktrack:level wasSuccessful:successful]; 111} 112 113@end 114