//
//  MPTokenStream.h
//  MathPad
//
//  Created by Kim Wittenburg on 20.09.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "MPToken.h"

@interface MPTokenStream : NSObject

- (instancetype)initWithTokens:(NSArray *)tokens;

@property (nonatomic, copy) NSArray *tokens;

- (void)beginIgnoringWhitespaceTokens;
- (void)beginAcceptingWhitespaceTokens;
- (void)endIgnoringOrAcceptingWhitespaceTokens;

- (BOOL)hasMoreTokens;

- (MPToken *)currentToken;
- (MPToken *)peekNextToken;
- (void)currentTokenConsumed;

@end