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 "ANTLRDebugTreeNodeStream.h" 28 29 30@implementation ANTLRDebugTreeNodeStream 31 32- (id) initWithTreeNodeStream:(id<ANTLRTreeNodeStream>)theStream debugListener:(id<ANTLRDebugEventListener>)debugger 33{ 34 self = [super init]; 35 if (self) { 36 [self setDebugListener:debugger]; 37 [self setTreeAdaptor:[theStream treeAdaptor]]; 38 [self setInput:theStream]; 39 } 40 return self; 41} 42 43- (void) dealloc 44{ 45 [self setDebugListener: nil]; 46 [self setTreeAdaptor: nil]; 47 input = nil; 48 [super dealloc]; 49} 50 51- (id<ANTLRDebugEventListener>) debugListener 52{ 53 return debugListener; 54} 55 56- (void) setDebugListener: (id<ANTLRDebugEventListener>) aDebugListener 57{ 58 if (debugListener != aDebugListener) { 59 [(id<ANTLRDebugEventListener,NSObject>)aDebugListener retain]; 60 [(id<ANTLRDebugEventListener,NSObject>)debugListener release]; 61 debugListener = aDebugListener; 62 } 63} 64 65 66- (id<ANTLRTreeAdaptor>) getTreeAdaptor 67{ 68 return treeAdaptor; 69} 70 71- (void) setTreeAdaptor: (id<ANTLRTreeAdaptor>) aTreeAdaptor 72{ 73 if (treeAdaptor != aTreeAdaptor) { 74 [(id<ANTLRTreeAdaptor,NSObject>)aTreeAdaptor retain]; 75 [(id<ANTLRTreeAdaptor,NSObject>)treeAdaptor release]; 76 treeAdaptor = aTreeAdaptor; 77 } 78} 79 80 81- (id<ANTLRTreeNodeStream>) input 82{ 83 return input; 84} 85 86- (void) setInput:(id<ANTLRTreeNodeStream>) aTreeNodeStream 87{ 88 if (input != aTreeNodeStream) { 89 [input release]; 90 [(id<ANTLRTreeNodeStream,NSObject>)aTreeNodeStream retain]; 91 } 92 input = aTreeNodeStream; 93} 94 95 96#pragma mark ANTLRTreeNodeStream conformance 97 98- (id) LT:(NSInteger)k 99{ 100 id node = [input LT:k]; 101 unsigned hash = [treeAdaptor uniqueIdForTree:node]; 102 NSString *text = [treeAdaptor textForNode:node]; 103 int type = [treeAdaptor tokenTypeForNode:node]; 104 [debugListener LT:k foundNode:hash ofType:type text:text]; 105 return node; 106} 107 108- (void) setUniqueNavigationNodes:(BOOL)flag 109{ 110 [input setUniqueNavigationNodes:flag]; 111} 112 113#pragma mark ANTLRIntStream conformance 114- (void) consume 115{ 116 id node = [input LT:1]; 117 [input consume]; 118 unsigned hash = [treeAdaptor uniqueIdForTree:node]; 119 NSString *theText = [treeAdaptor textForNode:node]; 120 int aType = [treeAdaptor tokenTypeForNode:node]; 121 [debugListener consumeNode:hash ofType:aType text:theText]; 122} 123 124- (NSInteger) LA:(NSUInteger) i 125{ 126 id<ANTLRBaseTree> node = [self LT:1]; 127 return node.type; 128} 129 130- (NSUInteger) mark 131{ 132 unsigned lastMarker = [input mark]; 133 [debugListener mark:lastMarker]; 134 return lastMarker; 135} 136 137- (NSUInteger) getIndex 138{ 139 return input.index; 140} 141 142- (void) rewind:(NSUInteger) marker 143{ 144 [input rewind:marker]; 145 [debugListener rewind:marker]; 146} 147 148- (void) rewind 149{ 150 [input rewind]; 151 [debugListener rewind]; 152} 153 154- (void) release:(NSUInteger) marker 155{ 156 [input release:marker]; 157} 158 159- (void) seek:(NSUInteger) index 160{ 161 [input seek:index]; 162 // todo: seek missing in debug protocol 163} 164 165- (NSUInteger) size 166{ 167 return [input size]; 168} 169 170- (NSString *) toStringFromToken:(id)startNode ToToken:(id)stopNode 171{ 172 return [input toStringFromToken:(id<ANTLRToken>)startNode ToToken:(id<ANTLRToken>)stopNode]; 173} 174 175@end 176