Cleaned Code by Removing Location Tracking for Errors

MathPad/MPNumber.m

@@ -8,9 +8,7 @@
 
 #import "MPNumber.h"
 
-@implementation MPNumber {
-    NSRange _range;
-}
+@implementation MPNumber
 
 - (instancetype)init
 {
@@ -27,10 +25,11 @@
         [tokenStream beginIgnoringWhitespaceTokens];
         MPToken *token = tokenStream.currentToken;
         if (token.tokenType == MPNumberToken) {
-            self.number = [NSDecimalNumber decimalNumberWithString:token.stringValue locale:[NSLocale currentLocale]];
-            _range = token.range;
+            _number = [NSDecimalNumber decimalNumberWithString:token.stringValue locale:[NSLocale currentLocale]];
         } else {
-            @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:@"Expected Number" userInfo:nil];
+            @throw [NSException exceptionWithName:NSInternalInconsistencyException
+                                           reason:@"Expected Number"
+                                         userInfo:nil];
         }
         [tokenStream currentTokenConsumed];
         [tokenStream endIgnoringOrAcceptingWhitespaceTokens];
@@ -38,12 +37,7 @@
     return self;
 }
 
-- (NSRange)range
-{
-    return _range;
-}
-
-- (BOOL)validate:(MPParseError *__autoreleasing *)error
+- (BOOL)validate:(NSError *__autoreleasing *)error
 {
     return YES;
 }
@@ -53,9 +47,4 @@
     return self.number;
 }
 
-- (NSArray *)expressionElements
-{
-    return @[[self.number descriptionWithLocale:[NSLocale currentLocale]]];
-}
-
 @end