diff options
Diffstat (limited to 'objectivec/GPBUtilities.m')
-rw-r--r-- | objectivec/GPBUtilities.m | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/objectivec/GPBUtilities.m b/objectivec/GPBUtilities.m index 1843478c..5029ec73 100644 --- a/objectivec/GPBUtilities.m +++ b/objectivec/GPBUtilities.m @@ -1893,6 +1893,25 @@ NSString *GPBDecodeTextFormatName(const uint8_t *decodeData, int32_t key, #pragma clang diagnostic pop +BOOL GPBClassHasSel(Class aClass, SEL sel) { + // NOTE: We have to use class_copyMethodList, all other runtime method + // lookups actually also resolve the method implementation and this + // is called from within those methods. + + BOOL result = NO; + unsigned int methodCount = 0; + Method *methodList = class_copyMethodList(aClass, &methodCount); + for (unsigned int i = 0; i < methodCount; ++i) { + SEL methodSelector = method_getName(methodList[i]); + if (methodSelector == sel) { + result = YES; + break; + } + } + free(methodList); + return result; +} + #pragma mark - GPBMessageSignatureProtocol // A series of selectors that are used solely to get @encoding values |