//
//  MPParenthesisFunction.m
//  MathPad
//
//  Created by Kim Wittenburg on 17.09.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//

#import "MPParenthesisFunction.h"

#import "MPExpressionTree.h"

@implementation MPParenthesisFunction

MPFunctionAccessorImplementation(Expression, _expression)

- (NSArray *)childrenAccessors
{
    return @[@"expression"];
}

- (BOOL)validate:(NSError *__autoreleasing *)error
{
    return [[self.expression parse] validate:error];
}

- (NSDecimalNumber *)evaluate
{
    return [[self.expression parse] evaluate];
}

- (NSString *)description
{
    return [NSString stringWithFormat:@"(%@)", self.expression.description];
}

@end