Check and throw errors for nil values/keys (like NSDictionary).

objectivec/GPBDictionary.m

@@ -601,7 +601,7 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%    _dictionary = [[NSMutableDictionary alloc] init];
 //%    if (count && VNAME##s && keys) {
 //%      for (NSUInteger i = 0; i < count; ++i) {
-//%        [_dictionary setObject:WRAPPED##VHELPER(VNAME##s[i]) forKey:WRAPPED##KHELPER(keys[i])];
+//%DICTIONARY_VALIDATE_VALUE_##VHELPER(VNAME##s[i], ______)##DICTIONARY_VALIDATE_KEY_##KHELPER(keys[i], ______)        [_dictionary setObject:WRAPPED##VHELPER(VNAME##s[i]) forKey:WRAPPED##KHELPER(keys[i])];
 //%      }
 //%    }
 //%  }
@@ -711,7 +711,7 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%    _validationFunc = (func != NULL ? func : DictDefault_IsValidValue);
 //%    if (count && rawValues && keys) {
 //%      for (NSUInteger i = 0; i < count; ++i) {
-//%        [_dictionary setObject:WRAPPED##VHELPER(rawValues[i]) forKey:WRAPPED##KHELPER(keys[i])];
+//%DICTIONARY_VALIDATE_KEY_##KHELPER(keys[i], ______)        [_dictionary setObject:WRAPPED##VHELPER(rawValues[i]) forKey:WRAPPED##KHELPER(keys[i])];
 //%      }
 //%    }
 //%  }
@@ -776,7 +776,7 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%DICTIONARY_MUTABLE_CORE(KEY_NAME, KEY_TYPE, KisP, VALUE_NAME, VALUE_TYPE, KHELPER, VHELPER, value, Raw)
 //%
 //%- (void)setValue:(VALUE_TYPE)value forKey:(KEY_TYPE##KisP$S##KisP)key {
-//%  if (!_validationFunc(value)) {
+//%DICTIONARY_VALIDATE_KEY_##KHELPER(key, )  if (!_validationFunc(value)) {
 //%    [NSException raise:NSInvalidArgumentException
 //%                format:@"GPB##KEY_NAME##VALUE_NAME##Dictionary: Attempt to set an unknown enum value (%d)",
 //%                       value];
@@ -900,7 +900,7 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%}
 //%
 //%- (void)set##ACCESSOR_NAME##VNAME$u##:(VALUE_TYPE)VNAME forKey:(KEY_TYPE##KisP$S##KisP)key {
-//%  [_dictionary setObject:WRAPPED##VHELPER(VNAME) forKey:WRAPPED##KHELPER(key)];
+//%DICTIONARY_VALIDATE_VALUE_##VHELPER(VNAME, )##DICTIONARY_VALIDATE_KEY_##KHELPER(key, )  [_dictionary setObject:WRAPPED##VHELPER(VNAME) forKey:WRAPPED##KHELPER(key)];
 //%  if (_autocreator) {
 //%    GPBAutocreatedDictionaryModified(_autocreator, self);
 //%  }
@@ -1171,6 +1171,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%
 //%PDDM-DEFINE GPBVALUE_POD(VALUE_NAME)
 //%value##VALUE_NAME
+//%PDDM-DEFINE DICTIONARY_VALIDATE_VALUE_POD(VALUE_NAME, EXTRA_INDENT)
+// Empty
+//%PDDM-DEFINE DICTIONARY_VALIDATE_KEY_POD(KEY_NAME, EXTRA_INDENT)
+// Empty
 
 //%PDDM-DEFINE BOOL_DICT_HAS_STORAGE_POD()
 //%  BOOL _valueSet[2];
@@ -1363,7 +1367,18 @@ void GPBDictionaryReadEntry(id mapDictionary,
 // Empty
 //%PDDM-DEFINE GPBVALUE_OBJECT(VALUE_NAME)
 //%valueString
-
+//%PDDM-DEFINE DICTIONARY_VALIDATE_VALUE_OBJECT(VALUE_NAME, EXTRA_INDENT)
+//%##EXTRA_INDENT$S##  if (!##VALUE_NAME) {
+//%##EXTRA_INDENT$S##    [NSException raise:NSInvalidArgumentException
+//%##EXTRA_INDENT$S##                format:@"Attempting to add nil object to a Dictionary"];
+//%##EXTRA_INDENT$S##  }
+//%
+//%PDDM-DEFINE DICTIONARY_VALIDATE_KEY_OBJECT(KEY_NAME, EXTRA_INDENT)
+//%##EXTRA_INDENT$S##  if (!##KEY_NAME) {
+//%##EXTRA_INDENT$S##    [NSException raise:NSInvalidArgumentException
+//%##EXTRA_INDENT$S##                format:@"Attempting to add nil key to a Dictionary"];
+//%##EXTRA_INDENT$S##  }
+//%
 
 //%PDDM-DEFINE BOOL_DICT_HAS_STORAGE_OBJECT()
 // Empty
@@ -1374,6 +1389,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%  self = [super init];
 //%  if (self) {
 //%    for (NSUInteger i = 0; i < count; ++i) {
+//%      if (!objects[i]) {
+//%        [NSException raise:NSInvalidArgumentException
+//%                    format:@"Attempting to add nil object to a Dictionary"];
+//%      }
 //%      int idx = keys[i] ? 1 : 0;
 //%      [_values[idx] release];
 //%      _values[idx] = (VALUE_TYPE)[objects[i] retain];
@@ -1433,6 +1452,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%}
 //%
 //%- (void)setObject:(VALUE_TYPE)object forKey:(BOOL)key {
+//%  if (!object) {
+//%    [NSException raise:NSInvalidArgumentException
+//%                format:@"Attempting to add nil object to a Dictionary"];
+//%  }
 //%  int idx = (key ? 1 : 0);
 //%  [_values[idx] release];
 //%  _values[idx] = [object retain];
@@ -3239,6 +3262,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && objects && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!objects[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil object to a Dictionary"];
+        }
         [_dictionary setObject:objects[i] forKey:@(keys[i])];
       }
     }
@@ -3397,6 +3424,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setObject:(id)object forKey:(uint32_t)key {
+  if (!object) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil object to a Dictionary"];
+  }
   [_dictionary setObject:object forKey:@(key)];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -5195,6 +5226,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && objects && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!objects[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil object to a Dictionary"];
+        }
         [_dictionary setObject:objects[i] forKey:@(keys[i])];
       }
     }
@@ -5353,6 +5388,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setObject:(id)object forKey:(int32_t)key {
+  if (!object) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil object to a Dictionary"];
+  }
   [_dictionary setObject:object forKey:@(key)];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -7151,6 +7190,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && objects && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!objects[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil object to a Dictionary"];
+        }
         [_dictionary setObject:objects[i] forKey:@(keys[i])];
       }
     }
@@ -7309,6 +7352,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setObject:(id)object forKey:(uint64_t)key {
+  if (!object) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil object to a Dictionary"];
+  }
   [_dictionary setObject:object forKey:@(key)];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -9107,6 +9154,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && objects && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!objects[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil object to a Dictionary"];
+        }
         [_dictionary setObject:objects[i] forKey:@(keys[i])];
       }
     }
@@ -9265,6 +9316,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setObject:(id)object forKey:(int64_t)key {
+  if (!object) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil object to a Dictionary"];
+  }
   [_dictionary setObject:object forKey:@(key)];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -9336,6 +9391,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && values && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(values[i]) forKey:keys[i]];
       }
     }
@@ -9474,6 +9533,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(uint32_t)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -9542,6 +9605,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && values && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(values[i]) forKey:keys[i]];
       }
     }
@@ -9680,6 +9747,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(int32_t)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -9748,6 +9819,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && values && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(values[i]) forKey:keys[i]];
       }
     }
@@ -9886,6 +9961,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(uint64_t)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -9954,6 +10033,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && values && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(values[i]) forKey:keys[i]];
       }
     }
@@ -10092,6 +10175,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(int64_t)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -10160,6 +10247,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && values && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(values[i]) forKey:keys[i]];
       }
     }
@@ -10298,6 +10389,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(BOOL)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -10366,6 +10461,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && values && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(values[i]) forKey:keys[i]];
       }
     }
@@ -10504,6 +10603,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(float)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -10572,6 +10675,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _dictionary = [[NSMutableDictionary alloc] init];
     if (count && values && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(values[i]) forKey:keys[i]];
       }
     }
@@ -10710,6 +10817,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(double)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -10802,6 +10913,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
     _validationFunc = (func != NULL ? func : DictDefault_IsValidValue);
     if (count && rawValues && keys) {
       for (NSUInteger i = 0; i < count; ++i) {
+        if (!keys[i]) {
+          [NSException raise:NSInvalidArgumentException
+                      format:@"Attempting to add nil key to a Dictionary"];
+        }
         [_dictionary setObject:@(rawValues[i]) forKey:keys[i]];
       }
     }
@@ -10982,6 +11097,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setRawValue:(int32_t)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   [_dictionary setObject:@(value) forKey:key];
   if (_autocreator) {
     GPBAutocreatedDictionaryModified(_autocreator, self);
@@ -10997,6 +11116,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setValue:(int32_t)value forKey:(NSString *)key {
+  if (!key) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil key to a Dictionary"];
+  }
   if (!_validationFunc(value)) {
     [NSException raise:NSInvalidArgumentException
                 format:@"GPBStringEnumDictionary: Attempt to set an unknown enum value (%d)",
@@ -12754,6 +12877,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
   self = [super init];
   if (self) {
     for (NSUInteger i = 0; i < count; ++i) {
+      if (!objects[i]) {
+        [NSException raise:NSInvalidArgumentException
+                    format:@"Attempting to add nil object to a Dictionary"];
+      }
       int idx = keys[i] ? 1 : 0;
       [_values[idx] release];
       _values[idx] = (id)[objects[i] retain];
@@ -12932,6 +13059,10 @@ void GPBDictionaryReadEntry(id mapDictionary,
 }
 
 - (void)setObject:(id)object forKey:(BOOL)key {
+  if (!object) {
+    [NSException raise:NSInvalidArgumentException
+                format:@"Attempting to add nil object to a Dictionary"];
+  }
   int idx = (key ? 1 : 0);
   [_values[idx] release];
   _values[idx] = [object retain];