| // [The "BSD licence"] |
| // Copyright (c) 2006-2007 Kay Roepke |
| // 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. |
| |
| #import "ANTLRDebugTreeNodeStream.h" |
| |
| |
| @implementation ANTLRDebugTreeNodeStream |
| |
| - (id) initWithTreeNodeStream:(id<ANTLRTreeNodeStream>)theStream debugListener:(id<ANTLRDebugEventListener>)debugger |
| { |
| self = [super init]; |
| if (self) { |
| [self setDebugListener:debugger]; |
| [self setTreeAdaptor:[theStream treeAdaptor]]; |
| [self setInput:theStream]; |
| } |
| return self; |
| } |
| |
| - (void) dealloc |
| { |
| [self setDebugListener: nil]; |
| [self setTreeAdaptor: nil]; |
| input = nil; |
| [super dealloc]; |
| } |
| |
| - (id<ANTLRDebugEventListener>) debugListener |
| { |
| return debugListener; |
| } |
| |
| - (void) setDebugListener: (id<ANTLRDebugEventListener>) aDebugListener |
| { |
| if (debugListener != aDebugListener) { |
| [(id<ANTLRDebugEventListener,NSObject>)aDebugListener retain]; |
| [(id<ANTLRDebugEventListener,NSObject>)debugListener release]; |
| debugListener = aDebugListener; |
| } |
| } |
| |
| |
| - (id<ANTLRTreeAdaptor>) getTreeAdaptor |
| { |
| return treeAdaptor; |
| } |
| |
| - (void) setTreeAdaptor: (id<ANTLRTreeAdaptor>) aTreeAdaptor |
| { |
| if (treeAdaptor != aTreeAdaptor) { |
| [(id<ANTLRTreeAdaptor,NSObject>)aTreeAdaptor retain]; |
| [(id<ANTLRTreeAdaptor,NSObject>)treeAdaptor release]; |
| treeAdaptor = aTreeAdaptor; |
| } |
| } |
| |
| |
| - (id<ANTLRTreeNodeStream>) input |
| { |
| return input; |
| } |
| |
| - (void) setInput:(id<ANTLRTreeNodeStream>) aTreeNodeStream |
| { |
| if (input != aTreeNodeStream) { |
| [input release]; |
| [(id<ANTLRTreeNodeStream,NSObject>)aTreeNodeStream retain]; |
| } |
| input = aTreeNodeStream; |
| } |
| |
| |
| #pragma mark ANTLRTreeNodeStream conformance |
| |
| - (id) LT:(NSInteger)k |
| { |
| id node = [input LT:k]; |
| unsigned hash = [treeAdaptor uniqueIdForTree:node]; |
| NSString *text = [treeAdaptor textForNode:node]; |
| int type = [treeAdaptor tokenTypeForNode:node]; |
| [debugListener LT:k foundNode:hash ofType:type text:text]; |
| return node; |
| } |
| |
| - (void) setUniqueNavigationNodes:(BOOL)flag |
| { |
| [input setUniqueNavigationNodes:flag]; |
| } |
| |
| #pragma mark ANTLRIntStream conformance |
| - (void) consume |
| { |
| id node = [input LT:1]; |
| [input consume]; |
| unsigned hash = [treeAdaptor uniqueIdForTree:node]; |
| NSString *theText = [treeAdaptor textForNode:node]; |
| int aType = [treeAdaptor tokenTypeForNode:node]; |
| [debugListener consumeNode:hash ofType:aType text:theText]; |
| } |
| |
| - (NSInteger) LA:(NSUInteger) i |
| { |
| id<ANTLRBaseTree> node = [self LT:1]; |
| return node.type; |
| } |
| |
| - (NSUInteger) mark |
| { |
| unsigned lastMarker = [input mark]; |
| [debugListener mark:lastMarker]; |
| return lastMarker; |
| } |
| |
| - (NSUInteger) getIndex |
| { |
| return input.index; |
| } |
| |
| - (void) rewind:(NSUInteger) marker |
| { |
| [input rewind:marker]; |
| [debugListener rewind:marker]; |
| } |
| |
| - (void) rewind |
| { |
| [input rewind]; |
| [debugListener rewind]; |
| } |
| |
| - (void) release:(NSUInteger) marker |
| { |
| [input release:marker]; |
| } |
| |
| - (void) seek:(NSUInteger) index |
| { |
| [input seek:index]; |
| // todo: seek missing in debug protocol |
| } |
| |
| - (NSUInteger) size |
| { |
| return [input size]; |
| } |
| |
| - (NSString *) toStringFromToken:(id)startNode ToToken:(id)stopNode |
| { |
| return [input toStringFromToken:(id<ANTLRToken>)startNode ToToken:(id<ANTLRToken>)stopNode]; |
| } |
| |
| @end |