Implemented Expression Evaluation/Parsing with Proper Error Handling

2014-09-11 22:17:29 +02:00
parent f791213127
commit 245468a559
16 changed files with 670 additions and 330 deletions
--- a/MathPad/MPSumFunctionLayout.m
+++ b/MathPad/MPSumFunctionLayout.m
@@ -33,6 +33,14 @@
    return 2;
 }

+- (NSUInteger)indexOfChildAfterChildAtIndex:(NSUInteger)index
+{
+    if (index != 2) {
+        return 2;
+    }
+    return [super indexOfChildAfterChildAtIndex:index];
+}
+
 - (CTLineRef)line
 {
    CTLineRef line = [self lineForPrivateCacheIndex:0 generator:^CTLineRef{