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 "ANTLRDebugTreeParser.h" 28 29 30@implementation ANTLRDebugTreeParser 31 32- (id) initWithTreeNodeStream:(id<ANTLRTreeNodeStream>)theStream 33{ 34 return [self initWithTreeNodeStream:theStream debugListener:nil debuggerPort:-1]; 35} 36 37- (id) initWithTreeNodeStream:(id<ANTLRTreeNodeStream>)theStream 38 debuggerPort:(NSInteger)portNumber 39{ 40 return [self initWithTreeNodeStream:theStream debugListener:nil debuggerPort:portNumber]; 41} 42 43- (id) initWithTreeNodeStream:(id<ANTLRTreeNodeStream>)theStream 44 debugListener:(id<ANTLRDebugEventListener>)theDebugListener 45 debuggerPort:(NSInteger)portNumber 46{ 47 id<ANTLRDebugEventListener,NSObject> debugger = nil; 48 id<ANTLRTreeNodeStream> treeNodeStream = nil; 49 if (theDebugListener) { 50 debugger = (id<ANTLRDebugEventListener>)theDebugListener; 51 } else { 52 debugger = [[ANTLRDebugEventProxy alloc] initWithGrammarName:[self grammarFileName] debuggerPort:portNumber]; 53 } 54 if (theStream && ![theStream isKindOfClass:[ANTLRDebugTreeNodeStream class]]) { 55 treeNodeStream = [[ANTLRDebugTreeNodeStream alloc] initWithTreeNodeStream:theStream debugListener:debugger]; 56 } else { 57 treeNodeStream = theStream; 58 } 59 self = [super initWithStream:treeNodeStream]; 60 if ( self ) { 61 [self setDebugListener:debugger]; 62 //[debugger release]; 63 //[treeNodeStream release]; 64 [debugListener waitForDebuggerConnection]; 65 } 66 return self; 67} 68 69- (void) dealloc 70{ 71 [self setDebugListener: nil]; 72 [super dealloc]; 73} 74 75- (id<ANTLRDebugEventListener>) debugListener 76{ 77 return debugListener; 78} 79 80- (void) setDebugListener: (id<ANTLRDebugEventListener>) aDebugListener 81{ 82 if (debugListener != aDebugListener) { 83 [(id<ANTLRDebugEventListener,NSObject>)aDebugListener retain]; 84 [(id<ANTLRDebugEventListener,NSObject>)debugListener release]; 85 debugListener = aDebugListener; 86 } 87} 88 89#pragma mark - 90#pragma mark Overrides 91 92- (void) beginResync 93{ 94 [debugListener beginResync]; 95} 96 97- (void) endResync 98{ 99 [debugListener endResync]; 100} 101- (void)beginBacktracking:(NSInteger)level 102{ 103 [debugListener beginBacktrack:level]; 104} 105 106- (void)endBacktracking:(NSInteger)level wasSuccessful:(BOOL)successful 107{ 108 [debugListener endBacktrack:level wasSuccessful:successful]; 109} 110 111- (void) recoverFromMismatchedToken:(id<ANTLRIntStream>)inputStream 112 exception:(NSException *)e 113 tokenType:(ANTLRTokenType)ttype 114 follow:(ANTLRBitSet *)follow 115{ 116#warning TODO: recoverFromMismatchedToken in debugger 117 [self recoverFromMismatchedToken:inputStream exception:e follow:follow]; 118} 119 120- (void) recoverFromMismatchedSet:(id<ANTLRIntStream>)inputStream 121 exception:(NSException *)e 122 follow:(ANTLRBitSet *)follow 123{ 124#warning TODO: recoverFromMismatchedSet in debugger 125 [super recoverFromMismatchedSet:inputStream]; 126} 127 128@end 129