Merge pull request #403 from pebble8888/fix_xcode5

Fix crash typing '100' in Xcode5
XVimProject · Jul 5, 2013 · 069dc31 · 069dc31
2 parents 42dac3e + 8049839
commit 069dc31
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/XVim/XVimEvaluatorContext.m b/XVim/XVimEvaluatorContext.m
@@ -71,12 +71,14 @@ - (NSUInteger)numericArg
 - (void)pushEmptyNumericArgHead
 {
 	_numericArgTail = [self numericArg];
+    [_numericArgHead release];
 	_numericArgHead = nil;
 }
 
 - (void)setNumericArgHead:(NSUInteger)numericArg
 {
-	_numericArgHead = [NSNumber numberWithUnsignedInteger:numericArg];
+    [_numericArgHead release];
+	_numericArgHead = [[NSNumber numberWithUnsignedInteger:numericArg] retain];
 }
 
 - (NSNumber*)numericArgHead
@@ -91,13 +93,16 @@ - (NSString*)argumentString
 
 - (XVimEvaluatorContext*)setArgumentString:(NSString*)argument
 {
+    [_argumentString release];
 	_argumentString = [argument copy];
 	return self;
 }
 
 - (XVimEvaluatorContext*)appendArgument:(NSString*)argument
 {
-	_argumentString = [_argumentString stringByAppendingString:argument];
+    NSString* str = [_argumentString stringByAppendingString:argument];
+    [_argumentString release];
+    _argumentString = [str retain];
 	return self;
 }
 
@@ -112,4 +117,4 @@ - (XVimEvaluatorContext*)copy
 	return instance;
 }
 
-@end
+@end