| // |
| // ANTLRTreePatternLexer.h |
| // ANTLR |
| // |
| // Created by Alan Condit on 6/18/10. |
| // [The "BSD licence"] |
| // Copyright (c) 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> |
| |
| typedef enum { |
| ANTLRLexerTokenTypeEOF = -1, |
| ANTLRLexerTokenTypeInvalid, |
| ANTLRLexerTokenTypeBEGIN, |
| ANTLRLexerTokenTypeEND, |
| ANTLRLexerTokenTypeID, |
| ANTLRLexerTokenTypeARG, |
| ANTLRLexerTokenTypePERCENT, |
| ANTLRLexerTokenTypeCOLON, |
| ANTLRLexerTokenTypeDOT, |
| } ANTLRLexerTokenType; |
| |
| |
| @interface ANTLRTreePatternLexer : NSObject { |
| |
| /** The tree pattern to lex like "(A B C)" */ |
| NSString *pattern; |
| |
| /** Index into input string */ |
| NSInteger p; |
| |
| /** Current char */ |
| NSInteger c; |
| |
| /** How long is the pattern in char? */ |
| NSInteger n; |
| |
| /** Set when token type is ID or ARG (name mimics Java's StreamTokenizer) */ |
| NSMutableData *sval; |
| char *data; |
| |
| BOOL error; |
| |
| } |
| |
| @property (retain, getter=getPattern, setter=setPattern:) NSString *pattern; |
| @property (getter=getP, setter=setP:) NSInteger p; |
| @property (getter=getC, setter=setC:) NSInteger c; |
| @property (getter=getN, setter=setN:) NSInteger n; |
| @property (retain, getter=getSval, setter=setSval:) NSMutableData *sval; |
| @property (assign, getter=getData, setter=setData:) char *data; |
| @property (getter=getError, setter=setError) BOOL error; |
| |
| + (ANTLRTreePatternLexer *)newANTLRTreePatternLexer:(NSString *)aPattern; |
| - (id) init; |
| - (id) initWithPattern:(NSString *)aPattern; |
| - (NSInteger) nextToken; |
| - (void) consume; |
| - (NSString *)toString; |
| |
| - (NSMutableData *)getSval; |
| - (void) setSval:(NSMutableData *)aSval; |
| |
| @end |