Cleaned Code

2014-10-21 15:06:57 +02:00
parent 5592128926
commit 91e7dbe9f2
20 changed files with 126 additions and 92 deletions
--- a/MathPad/MPProduct.m
+++ b/MathPad/MPProduct.m
@@ -46,11 +46,18 @@

 - (BOOL)validate:(MPParseError *__autoreleasing *)error
 {
+    if (_factors.count == 0) {
+        if (error) {
+            *error = MPParseError(_range, @"Expected Value");
+        }
+        return NO;
+    }
    MPFactor *factor = _factors[0];
    if (factor.hasMultiplicationSymbol) {
        if (error) {
            *error = MPParseError(factor.multiplicationSymbolRange, @"Unexpected Symbol.");
        }
+        return NO;
    }
    if (![factor.value validate:error]) {
        return NO;