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//
// ANTLRBufferedTreeNodeStream.h
// ANTLR
//
// [The "BSD licence"]
// Copyright (c) 2010 Ian Michell 2010 Alan Condit
// 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 <Cocoa/Cocoa.h>
#import "ANTLRTree.h"
#import "ANTLRCommonTreeAdaptor.h"
#import "ANTLRTokenStream.h"
#import "ANTLRCommonTreeNodeStream.h"
#import "ANTLRLookaheadStream.h"
#import "ANTLRTreeIterator.h"
#import "ANTLRIntArray.h"
#import "AMutableArray.h"
#define DEFAULT_INITIAL_BUFFER_SIZE 100
#define INITIAL_CALL_STACK_SIZE 10
#ifdef DONTUSENOMO
@interface ANTLRStreamIterator : ANTLRTreeIterator
{
NSInteger idx;
__strong ANTLRBufferedTreeNodeStream *input;
__strong AMutableArray *nodes;
}
+ (id) newANTLRStreamIterator:(ANTLRBufferedTreeNodeStream *) theStream;
- (id) initWithStream:(ANTLRBufferedTreeNodeStream *) theStream;
- (BOOL) hasNext;
- (id) next;
- (void) remove;
@end
#endif
@interface ANTLRBufferedTreeNodeStream : NSObject <ANTLRTreeNodeStream>
{
id up;
id down;
id eof;
AMutableArray *nodes;
id root; // root
id<ANTLRTokenStream> tokens;
ANTLRCommonTreeAdaptor *adaptor;
BOOL uniqueNavigationNodes;
NSInteger index;
NSInteger lastMarker;
ANTLRIntArray *calls;
NSEnumerator *e;
id currentSymbol;
}
@property (retain, getter=getUp, setter=setUp:) id up;
@property (retain, getter=getDown, setter=setDown:) id down;
@property (retain, getter=eof, setter=setEof:) id eof;
@property (retain, getter=getNodes, setter=setNodes:) AMutableArray *nodes;
@property (retain, getter=getTreeSource, setter=setTreeSource:) id root;
@property (retain, getter=getTokenStream, setter=setTokenStream:) id<ANTLRTokenStream> tokens;
@property (retain, getter=getAdaptor, setter=setAdaptor:) ANTLRCommonTreeAdaptor *adaptor;
@property (assign, getter=getUniqueNavigationNodes, setter=setUniqueNavigationNodes:) BOOL uniqueNavigationNodes;
@property (assign) NSInteger index;
@property (assign, getter=getLastMarker, setter=setLastMarker:) NSInteger lastMarker;
@property (retain, getter=getCalls, setter=setCalls:) ANTLRIntArray *calls;
@property (retain, getter=getEnum, setter=setEnum:) NSEnumerator *e;
@property (retain, getter=getCurrentSymbol, setter=setCurrentSymbol:) id currentSymbol;
+ (ANTLRBufferedTreeNodeStream *) newANTLRBufferedTreeNodeStream:(ANTLRCommonTree *)tree;
+ (ANTLRBufferedTreeNodeStream *) newANTLRBufferedTreeNodeStream:(id<ANTLRTreeAdaptor>)adaptor Tree:(ANTLRCommonTree *)tree;
+ (ANTLRBufferedTreeNodeStream *) newANTLRBufferedTreeNodeStream:(id<ANTLRTreeAdaptor>)adaptor Tree:(ANTLRCommonTree *)tree withBufferSize:(NSInteger)initialBufferSize;
#pragma mark Constructor
- (id) initWithTree:(ANTLRCommonTree *)tree;
- (id) initWithTreeAdaptor:(ANTLRCommonTreeAdaptor *)anAdaptor Tree:(ANTLRCommonTree *)tree;
- (id) initWithTreeAdaptor:(ANTLRCommonTreeAdaptor *)anAdaptor Tree:(ANTLRCommonTree *)tree WithBufferSize:(NSInteger)bufferSize;
- (void)dealloc;
- (id) copyWithZone:(NSZone *)aZone;
// protected methods. DO NOT USE
#pragma mark Protected Methods
- (void) fillBuffer;
- (void) fillBufferWithTree:(ANTLRCommonTree *) tree;
- (NSInteger) getNodeIndex:(ANTLRCommonTree *) node;
- (void) addNavigationNode:(NSInteger) type;
- (id) getNode:(NSUInteger) i;
- (id) LT:(NSInteger) k;
- (id) getCurrentSymbol;
- (id) LB:(NSInteger) i;
#pragma mark General Methods
- (NSString *) getSourceName;
- (id<ANTLRTokenStream>) getTokenStream;
- (void) setTokenStream:(id<ANTLRTokenStream>) tokens;
- (id<ANTLRTreeAdaptor>) getTreeAdaptor;
- (void) setTreeAdaptor:(id<ANTLRTreeAdaptor>) anAdaptor;
- (BOOL)getUniqueNavigationNodes;
- (void) setUniqueNavigationNodes:(BOOL)aVal;
- (void) consume;
- (NSInteger) LA:(NSInteger) i;
- (NSInteger) mark;
- (void) release:(NSInteger) marker;
- (void) rewind:(NSInteger) marker;
- (void) rewind;
- (void) seek:(NSInteger) idx;
- (void) push:(NSInteger) i;
- (NSInteger) pop;
- (void) reset;
- (NSUInteger) count;
- (NSEnumerator *) objectEnumerator;
- (void) replaceChildren:(id)parent From:(NSInteger)startChildIndex To:(NSInteger)stopChildIndex With:(id) t;
- (NSString *) toTokenTypeString;
- (NSString *) toTokenString:(NSInteger)aStart ToEnd:(NSInteger)aStop;
- (NSString *) toStringFromNode:(id)aStart ToNode:(id)aStop;
// getters and setters
- (AMutableArray *) getNodes;
- (id) eof;
- (void)setEof:(id)anEOF;
@end
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