xref: /aosp_15_r20/external/antlr/runtime/ObjC/Framework/StringStreamState.h (revision 16467b971bd3e2009fad32dd79016f2c7e421deb)

// [The "BSD licence"]
// Copyright (c) 2006-2007 Kay Roepke
// 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 "ANTLRCharStream.h"

// encapsulates a stream's state, so we can put it into an NSArray.
// No magic is happening here.

@interface ANTLRCharStreamState : NSObject <ANTLRCharStream>
{
	NSUInteger index;
	NSUInteger line;
	NSUInteger charPositionInLine;
}

+ newANTLRCharStreamState;

- (id) init;

- (NSUInteger) getIndex;
- (void) setIndex: (NSUInteger) anIndex;

- (NSUInteger) getLine;
- (void) setLine: (NSUInteger) aLine;

- (NSUInteger) getCharPositionInLine;
- (void) setCharPositionInLine: (NSUInteger) aCharPositionInLine;


@property (assign) NSUInteger index;
@property (assign) NSUInteger line;
@property (assign) NSUInteger charPositionInLine;

@end