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176 lines
4.3 KiB
176 lines
4.3 KiB
// [The "BSD licence"]
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// Copyright (c) 2006-2007 Kay Roepke
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#import "DebugTreeNodeStream.h"
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@implementation DebugTreeNodeStream
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- (id) initWithTreeNodeStream:(id<TreeNodeStream>)theStream debugListener:(id<DebugEventListener>)debugger
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{
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self = [super init];
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if (self) {
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[self setDebugListener:debugger];
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[self setTreeAdaptor:[theStream treeAdaptor]];
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[self setInput:theStream];
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}
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return self;
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}
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- (void) dealloc
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{
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[self setDebugListener: nil];
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[self setTreeAdaptor: nil];
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input = nil;
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[super dealloc];
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}
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- (id<DebugEventListener>) debugListener
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{
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return debugListener;
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}
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- (void) setDebugListener: (id<DebugEventListener>) aDebugListener
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{
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if (debugListener != aDebugListener) {
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[(id<DebugEventListener,NSObject>)aDebugListener retain];
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[(id<DebugEventListener,NSObject>)debugListener release];
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debugListener = aDebugListener;
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}
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}
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- (id<TreeAdaptor>) getTreeAdaptor
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{
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return treeAdaptor;
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}
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- (void) setTreeAdaptor: (id<TreeAdaptor>) aTreeAdaptor
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{
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if (treeAdaptor != aTreeAdaptor) {
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[(id<TreeAdaptor,NSObject>)aTreeAdaptor retain];
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[(id<TreeAdaptor,NSObject>)treeAdaptor release];
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treeAdaptor = aTreeAdaptor;
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}
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}
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- (id<TreeNodeStream>) input
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{
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return input;
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}
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- (void) setInput:(id<TreeNodeStream>) aTreeNodeStream
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{
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if (input != aTreeNodeStream) {
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[input release];
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[(id<TreeNodeStream,NSObject>)aTreeNodeStream retain];
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}
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input = aTreeNodeStream;
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}
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#pragma mark TreeNodeStream conformance
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- (id) LT:(NSInteger)k
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{
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id node = [input LT:k];
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unsigned hash = [treeAdaptor uniqueIdForTree:node];
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NSString *text = [treeAdaptor textForNode:node];
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int type = [treeAdaptor tokenTypeForNode:node];
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[debugListener LT:k foundNode:hash ofType:type text:text];
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return node;
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}
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- (void) setUniqueNavigationNodes:(BOOL)flag
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{
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[input setUniqueNavigationNodes:flag];
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}
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#pragma mark IntStream conformance
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- (void) consume
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{
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id node = [input LT:1];
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[input consume];
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unsigned hash = [treeAdaptor uniqueIdForTree:node];
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NSString *theText = [treeAdaptor textForNode:node];
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int aType = [treeAdaptor tokenTypeForNode:node];
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[debugListener consumeNode:hash ofType:aType text:theText];
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}
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- (NSInteger) LA:(NSUInteger) i
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{
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id<BaseTree> node = [self LT:1];
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return node.type;
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}
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- (NSUInteger) mark
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{
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unsigned lastMarker = [input mark];
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[debugListener mark:lastMarker];
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return lastMarker;
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}
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- (NSUInteger) getIndex
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{
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return input.index;
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}
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- (void) rewind:(NSUInteger) marker
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{
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[input rewind:marker];
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[debugListener rewind:marker];
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}
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- (void) rewind
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{
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[input rewind];
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[debugListener rewind];
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}
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- (void) release:(NSUInteger) marker
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{
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[input release:marker];
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}
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- (void) seek:(NSUInteger) index
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{
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[input seek:index];
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// todo: seek missing in debug protocol
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}
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- (NSUInteger) size
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{
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return [input size];
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}
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- (NSString *) toStringFromToken:(id)startNode ToToken:(id)stopNode
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{
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return [input toStringFromToken:(id<Token>)startNode ToToken:(id<Token>)stopNode];
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}
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@end
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