1 files changed, 0 insertions, 127 deletions
diff --git a/examples/objc/PrenotCalculator/CalculatorViewController.m b/examples/objc/PrenotCalculator/CalculatorViewController.m
deleted file mode 100644
index 6e755a9ad5..0000000000
--- a/examples/objc/PrenotCalculator/CalculatorViewController.m
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2015 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#import "CalculatorViewController.h"
-
-#import "CalculatedValues.h"
-#import "CoreData.h"
-#import "Equation.h"
-#import "Expression.h"
-#import "Literal.h"
-
-@interface CalculatorViewController ()
-- (void)updateEnabledViews;
-- (void)updateButtonColor:(UIButton *)button;
-@end
-
-@implementation CalculatorViewController {
-  NSMutableArray *_locationStack;
-  NSMutableString *_currentNumber;
-}
-
-- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
-  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
-  if (self) {
-    self.title = @"Calculator";
-    CoreData *coreData = [[CoreData alloc] init];
-    [coreData verify];
-  }
-  return self;
-}
-
-- (void)viewDidLoad {
-  [super viewDidLoad];
-  _locationStack = [NSMutableArray array];
-  _currentNumber = [NSMutableString stringWithString:@""];
-  [self updateEnabledViews];
-}
-
-- (IBAction)enterDigit:(id)sender {
-  UIButton *button = (UIButton *)sender;
-  [_currentNumber appendString:button.titleLabel.text];
-  self.resultLabel.text = _currentNumber;
-  [self updateEnabledViews];
-}
-
-- (IBAction)finish:(id)sender {
-  if (![_locationStack count]) {
-    _currentNumber = [NSMutableString stringWithString:@""];
-    self.resultLabel.text = @"hello";
-  }
-  if (![_locationStack count]) {
-    _currentNumber = [NSMutableString stringWithString:@""];
-  } else if ([_currentNumber length]) {
-    Equation *last = [_locationStack lastObject];
-    [last addExpressionAsChild:[[Literal alloc] initWithDouble:
-        atof([_currentNumber cStringUsingEncoding:NSUTF8StringEncoding])]];
-    _currentNumber = [NSMutableString stringWithString:@""];
-    self.resultLabel.text = [NSString stringWithFormat:@"%@", last];
-  } else {
-    Equation *popped = [_locationStack lastObject];
-    [_locationStack removeLastObject];
-    [[CalculatedValues sharedInstance] addEquation:popped];
-    self.resultLabel.text =
-        [NSString stringWithFormat:@"%lf", [popped calculate]];
-  }
-  [self updateEnabledViews];
-}
-
-- (IBAction)operate:(id)sender {
-  Operation operation;
-  if ([_currentNumber length]) {
-    // finish the current number first automatically:
-    [self finish:nil];
-  }
-  if (sender == self.multiplyButton) {
-    operation = kMultiply;
-  } else if (sender == self.plusButton) {
-    operation = kAdd;
-  } else if (sender == self.divideButton) {
-    operation = kDivide;
-  } else if (sender == self.minusButton) {
-    operation = kSubtract;
-  } else {
-    // Shouldn't happen
-    operation = kAdd;
-  }
-  Equation *newEquation = [[Equation alloc] initWithOperation:operation];
-  if ([_locationStack count]) {
-    [[_locationStack lastObject] addExpressionAsChild:newEquation];
-  }
-  [_locationStack addObject:newEquation];
-  self.resultLabel.text = [NSString stringWithFormat:@"%@", _locationStack[0]];
-  [self updateEnabledViews];
-}
-
-#pragma mark - Private
-
-
-- (void)updateEnabledViews {
-  self.finishButton.enabled = [_locationStack count] || [_currentNumber length];
-  [self updateButtonColor:self.finishButton];
-  self.zeroButton.enabled = self.finishButton.enabled;
-  [self updateButtonColor:self.zeroButton];
-  BOOL enableNonZeroDigits = ![_currentNumber isEqualToString:@"0"];
-  for (UIButton *digit in self.nonZeroDigitButtons) {
-    digit.enabled = enableNonZeroDigits;
-    [self updateButtonColor:digit];
-  }
-}
-
-- (void)updateButtonColor:(UIButton *)button {
-  button.backgroundColor = button.enabled ?
-      [UIColor whiteColor] : [UIColor grayColor];
-}
-
-@end