- Add "AV" as new default acronym. - Add support for "I" and "A" in lowerCamelCase pattern

[Wizard]

Summary

Now we can support property names like "hasADog" correctly.

clang-tidy/objc/PropertyDeclarationCheck.cpp

 /// Keep this list sorted.
 constexpr llvm::StringLiteral DefaultSpecialAcronyms[] = {
     "[2-9]G",
     "ACL",
     "API",
     "AR",
     "ARGB",
     "ASCII",
+    "AV",
     "BGRA",
     "CA",
     "CF",
     "CG",
     "CI",
     "CV",
     "CMYK",
     "DNS",
std::string validPropertyNameRegex(llvm::ArrayRef<std::string> EscapedAcronyms,
   // url
   // urlString
   // URL
   // URLString
   // bundleID
   std::string StartMatcher = UsedInMatcher ? "::" : "^";
   std::string AcronymsMatcher = AcronymsGroupRegex(EscapedAcronyms);
   return StartMatcher + "(" + AcronymsMatcher + "[A-Z]?)?[a-z]+[a-z0-9]*(" +
-         AcronymsMatcher + "|([A-Z][a-z0-9]+))*$";
+         AcronymsMatcher + "|([A-Z][a-z0-9]+)|A|I)*$";
 }
 
 bool hasCategoryPropertyPrefix(llvm::StringRef PropertyName) {
   auto RegexExp = llvm::Regex("^[a-zA-Z]+_[a-zA-Z0-9][a-zA-Z0-9_]+$");
   return RegexExp.match(PropertyName);
 }
 
 bool prefixedPropertyNameValid(llvm::StringRef PropertyName,

test/clang-tidy/objc-property-declaration.m

 @property(strong, nonatomic) NSString *supportURLsCamelCase;
 @property(strong, nonatomic) NSString *supportURLCamelCase;
 @property(strong, nonatomic) NSString *VCsPluralToAdd;
 @property(assign, nonatomic) int centerX;
 @property(assign, nonatomic) int enable2GBackgroundFetch;
 @property(assign, nonatomic) int shouldUseCFPreferences;
 @property(assign, nonatomic) int enableGLAcceleration;
 @property(assign, nonatomic) int ID;
+@property(assign, nonatomic) int hasADog;
 @end
 
 @interface Foo (Bar)
 @property(assign, nonatomic) int abc_NotCamelCase;
 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: property name 'abc_NotCamelCase' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 @property(assign, nonatomic) int abCD_camelCase;
 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: property name 'abCD_camelCase' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 // CHECK-FIXES: @property(assign, nonatomic) int abcd_camelCase;
 @property(assign, nonatomic) int abCD_NotCamelCase;
 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: property name 'abCD_NotCamelCase' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 // CHECK-FIXES: @property(assign, nonatomic) int abcd_notCamelCase;
 @property(assign, nonatomic) int wrongFormat_;
 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: property name 'wrongFormat_' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 @property(strong, nonatomic) NSString *URLStr;
 @property(assign, nonatomic) int abc_camelCase;
 @end
 
 @interface Foo ()
 @property(assign, nonatomic) int abc_inClassExtension;
 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: property name 'abc_inClassExtension' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 @end
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