//
//  MPExpressionTokenizer.h
//  MathPad
//
//  Created by Kim Wittenburg on 19.09.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//



@class MPExpressionTokenizer, MPExpression;


/*!
    @class      MPExpressionTokenizer
    @brief      The expression tokenizer class convers an @c MPExpression
                instance into an array of tokens.
 */
@interface MPExpressionTokenizer : NSObject


/*!
    @method     tokenizeExpression:
    @brief      Converts an @c MPExpression instance into an array of tokens.
 
    @discussion The objects in the returned array all conform to the @c MPToken
                protocol. Function tokens are not copied from the @c expression
                so they can still be mutated.
 
    @param      expression
                The expression to be tokenized.
 
    @return     An array of objects that conform to the @c MPToken protocol.
 */
+ (NSArray *)tokenizeExpression:(MPExpression *)expression;

@end