Cleaned Code by Removing Location Tracking for Errors

MathPad/MPPowerFunction.m

@@ -9,6 +9,8 @@
 #import "MPPowerFunction.h"
 #import "MPExpression.h"
 
+#import "MPExpressionTree.h"
+
 @implementation MPPowerFunction
 
 MPFunctionAccessorImplementation(ExponentExpression, _exponentExpression)
@@ -18,13 +20,13 @@ MPFunctionAccessorImplementation(ExponentExpression, _exponentExpression)
     return @[@"exponentExpression"];
 }
 
-- (BOOL)validate:(MPParseError *__autoreleasing *)error
+- (BOOL)validate:(NSError *__autoreleasing *)error
 {
     if (!self.baseValue) {
         if (error) {
-            *error = MPParseError(NSMakeRange([self.parent convertIndex:[self.parent indexOfElement:self]
-                                                     fromReferenceFrame:MPElementReferenceFrame
-                                                       toReferenceFrame:MPSymbolReferenceFrame], 0), @"No Base for Power");
+            *error = MPParseError(11,
+                                  NSLocalizedString(@"No Base For Power.", @"Error message. This is displayed when a power does not have a base value."),
+                                  nil);
         }
         return NO;
     }