ANTLRBufferedTreeNodeStream.h revision 324c4644fee44b9898524c09511bd33c3f12e2df 
1//
2//  ANTLRBufferedTreeNodeStream.h
3//  ANTLR
4//
5// [The "BSD licence"]
6// Copyright (c) 2010 Ian Michell 2010 Alan Condit
7// All rights reserved.
8//
9// Redistribution and use in source and binary forms, with or without
10// modification, are permitted provided that the following conditions
11// are met:
12// 1. Redistributions of source code must retain the above copyright
13//    notice, this list of conditions and the following disclaimer.
14// 2. Redistributions in binary form must reproduce the above copyright
15//    notice, this list of conditions and the following disclaimer in the
16//    documentation and/or other materials provided with the distribution.
17// 3. The name of the author may not be used to endorse or promote products
18//    derived from this software without specific prior written permission.
19//
20// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31#import <Cocoa/Cocoa.h>
32#import "ANTLRTree.h"
33#import "ANTLRCommonTreeAdaptor.h"
34#import "ANTLRTokenStream.h"
35#import "ANTLRCommonTreeNodeStream.h"
36#import "ANTLRLookaheadStream.h"
37#import "ANTLRTreeIterator.h"
38#import "ANTLRIntArray.h"
39#import "AMutableArray.h"
40
41#define DEFAULT_INITIAL_BUFFER_SIZE 100
42#define INITIAL_CALL_STACK_SIZE 10
43
44#ifdef DONTUSENOMO
45@interface ANTLRStreamIterator : ANTLRTreeIterator
46{
47    NSInteger idx;
48    __strong ANTLRBufferedTreeNodeStream *input;
49    __strong AMutableArray *nodes;
50}
51
52+ (id) newANTLRStreamIterator:(ANTLRBufferedTreeNodeStream *) theStream;
53
54- (id) initWithStream:(ANTLRBufferedTreeNodeStream *) theStream;
55
56- (BOOL) hasNext;
57- (id) next;
58- (void) remove;
59@end
60#endif
61
62@interface ANTLRBufferedTreeNodeStream : NSObject <ANTLRTreeNodeStream>
63{
64	id up;
65	id down;
66	id eof;
67
68	AMutableArray *nodes;
69
70	id root; // root
71
72	id<ANTLRTokenStream> tokens;
73	ANTLRCommonTreeAdaptor *adaptor;
74
75	BOOL uniqueNavigationNodes;
76	NSInteger index;
77	NSInteger lastMarker;
78	ANTLRIntArray *calls;
79
80	NSEnumerator *e;
81    id currentSymbol;
82
83}
84
85@property (retain, getter=getUp, setter=setUp:) id up;
86@property (retain, getter=getDown, setter=setDown:) id down;
87@property (retain, getter=eof, setter=setEof:) id eof;
88@property (retain, getter=getNodes, setter=setNodes:) AMutableArray *nodes;
89@property (retain, getter=getTreeSource, setter=setTreeSource:) id root;
90@property (retain, getter=getTokenStream, setter=setTokenStream:) id<ANTLRTokenStream> tokens;
91@property (retain, getter=getAdaptor, setter=setAdaptor:) ANTLRCommonTreeAdaptor *adaptor;
92@property (assign, getter=getUniqueNavigationNodes, setter=setUniqueNavigationNodes:) BOOL uniqueNavigationNodes;
93@property (assign) NSInteger index;
94@property (assign, getter=getLastMarker, setter=setLastMarker:) NSInteger lastMarker;
95@property (retain, getter=getCalls, setter=setCalls:) ANTLRIntArray *calls;
96@property (retain, getter=getEnum, setter=setEnum:) NSEnumerator *e;
97@property (retain, getter=getCurrentSymbol, setter=setCurrentSymbol:) id currentSymbol;
98
99+ (ANTLRBufferedTreeNodeStream *) newANTLRBufferedTreeNodeStream:(ANTLRCommonTree *)tree;
100+ (ANTLRBufferedTreeNodeStream *) newANTLRBufferedTreeNodeStream:(id<ANTLRTreeAdaptor>)adaptor Tree:(ANTLRCommonTree *)tree;
101+ (ANTLRBufferedTreeNodeStream *) newANTLRBufferedTreeNodeStream:(id<ANTLRTreeAdaptor>)adaptor Tree:(ANTLRCommonTree *)tree withBufferSize:(NSInteger)initialBufferSize;
102
103#pragma mark Constructor
104- (id) initWithTree:(ANTLRCommonTree *)tree;
105- (id) initWithTreeAdaptor:(ANTLRCommonTreeAdaptor *)anAdaptor Tree:(ANTLRCommonTree *)tree;
106- (id) initWithTreeAdaptor:(ANTLRCommonTreeAdaptor *)anAdaptor Tree:(ANTLRCommonTree *)tree WithBufferSize:(NSInteger)bufferSize;
107
108- (void)dealloc;
109- (id) copyWithZone:(NSZone *)aZone;
110
111// protected methods. DO NOT USE
112#pragma mark Protected Methods
113- (void) fillBuffer;
114- (void) fillBufferWithTree:(ANTLRCommonTree *) tree;
115- (NSInteger) getNodeIndex:(ANTLRCommonTree *) node;
116- (void) addNavigationNode:(NSInteger) type;
117- (id) getNode:(NSUInteger) i;
118- (id) LT:(NSInteger) k;
119- (id) getCurrentSymbol;
120- (id) LB:(NSInteger) i;
121#pragma mark General Methods
122- (NSString *) getSourceName;
123
124- (id<ANTLRTokenStream>) getTokenStream;
125- (void) setTokenStream:(id<ANTLRTokenStream>) tokens;
126- (id<ANTLRTreeAdaptor>) getTreeAdaptor;
127- (void) setTreeAdaptor:(id<ANTLRTreeAdaptor>) anAdaptor;
128
129- (BOOL)getUniqueNavigationNodes;
130- (void) setUniqueNavigationNodes:(BOOL)aVal;
131
132- (void) consume;
133- (NSInteger) LA:(NSInteger) i;
134- (NSInteger) mark;
135- (void) release:(NSInteger) marker;
136- (void) rewind:(NSInteger) marker;
137- (void) rewind;
138- (void) seek:(NSInteger) idx;
139
140- (void) push:(NSInteger) i;
141- (NSInteger) pop;
142
143- (void) reset;
144- (NSUInteger) count;
145- (NSEnumerator *) objectEnumerator;
146- (void) replaceChildren:(id)parent From:(NSInteger)startChildIndex To:(NSInteger)stopChildIndex With:(id) t;
147
148- (NSString *) toTokenTypeString;
149- (NSString *) toTokenString:(NSInteger)aStart ToEnd:(NSInteger)aStop;
150- (NSString *) toStringFromNode:(id)aStart ToNode:(id)aStop;
151
152// getters and setters
153- (AMutableArray *) getNodes;
154- (id) eof;
155- (void)setEof:(id)anEOF;
156
157@end
158