// [The "BSD licence"] // Copyright (c) 2006-2007 Kay Roepke 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 "ANTLRTokenSource.h" #import "ANTLRBaseRecognizer.h" #import "ANTLRRecognizerSharedState.h" #import "ANTLRCharStream.h" #import "ANTLRToken.h" #import "ANTLRCommonToken.h" #import "ANTLRRecognitionException.h" #import "ANTLRMismatchedTokenException.h" #import "ANTLRMismatchedRangeException.h" @interface ANTLRLexer : ANTLRBaseRecognizer <ANTLRTokenSource> { id<ANTLRCharStream> input; ///< The character stream we pull tokens out of. NSUInteger ruleNestingLevel; } @property (retain, getter=input, setter=setInput:) id<ANTLRCharStream> input; @property (getter=getRuleNestingLevel, setter=setRuleNestingLevel:) NSUInteger ruleNestingLevel; #pragma mark Initializer - (id) initWithCharStream:(id<ANTLRCharStream>) anInput; - (id) initWithCharStream:(id<ANTLRCharStream>)anInput State:(ANTLRRecognizerSharedState *)state; - (id) copyWithZone:(NSZone *)zone; - (void) reset; // - (ANTLRRecognizerSharedState *) state; #pragma mark Tokens - (id<ANTLRToken>)getToken; - (void) setToken: (id<ANTLRToken>) aToken; - (id<ANTLRToken>) nextToken; - (void) mTokens; // abstract, defined in generated sources - (void) skip; - (id<ANTLRCharStream>) input; - (void) setInput:(id<ANTLRCharStream>)aCharStream; - (void) emit; - (void) emit:(id<ANTLRToken>)aToken; #pragma mark Matching - (void) matchString:(NSString *)aString; - (void) matchAny; - (void) matchChar:(unichar) aChar; - (void) matchRangeFromChar:(unichar)fromChar to:(unichar)toChar; #pragma mark Informational - (NSUInteger) line; - (NSUInteger) charPositionInLine; - (NSInteger) index; - (NSString *) text; - (void) setText:(NSString *) theText; // error handling - (void) reportError:(ANTLRRecognitionException *)e; - (NSString *)getErrorMessage:(ANTLRRecognitionException *)e TokenNames:(AMutableArray *)tokenNames; - (NSString *)getCharErrorDisplay:(NSInteger)c; - (void) recover:(ANTLRRecognitionException *)e; - (void)traceIn:(NSString *)ruleName Index:(NSInteger)ruleIndex; - (void)traceOut:(NSString *)ruleName Index:(NSInteger)ruleIndex; @end