add extra acronyms for objc property names

[Wizard]

Summary

This is to support general acronyms in Objective-C like 2G/3G/4G/... and coordinates X, Y, Z and W.

[benhamilton]

clang-tidy/objc/PropertyDeclarationCheck.cpp

42

Probably should just make this:

"\\d+G"

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

21

enbale -> enable

[Wizard]

resolve comments

clang-tidy/objc/PropertyDeclarationCheck.cpp

42

It seems llvm::Regex does not recognize \d somehow. I tried \\d+ does not work for the test. Will keep [2-9]G for now.

clang-tidy/objc/PropertyDeclarationCheck.cpp

enum NamingStyle {
   CategoryProperty = 2,
 };
 
 /// The acronyms are from
 /// https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CodingGuidelines/Articles/APIAbbreviations.html#//apple_ref/doc/uid/20001285-BCIHCGAE
 ///
 /// Keep this list sorted.
 constexpr llvm::StringLiteral DefaultSpecialAcronyms[] = {
+    "[2-9]G",
     "ACL",
     "API",
     "ARGB",
     "ASCII",
     "BGRA",
     "CMYK",
     "DNS",
     "FPS",
constexpr llvm::StringLiteral DefaultSpecialAcronyms[] = {
     "UI",
     "URI",
     "URL",
     "UUID",
     "VC",
     "VOIP",
     "VPN",
     "VR",
+    "W",
     "WAN",
+    "X",
     "XML",
+    "Y",
+    "Z",
 };
 
 /// For now we will only fix 'CamelCase' or 'abc_CamelCase' property to
 /// 'camelCase' or 'abc_camelCase'. For other cases the users need to
 /// come up with a proper name by their own.
 /// FIXME: provide fix for snake_case to snakeCase
 FixItHint generateFixItHint(const ObjCPropertyDecl *Decl, NamingStyle Style) {
   auto Name = Decl->getName();

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

 @property(strong, nonatomic) NSString *bundleID;
 @property(strong, nonatomic) NSData *RGBABytes;
 @property(strong, nonatomic) UIViewController *notificationsVC;
 @property(strong, nonatomic) NSString *URL_string;
 // CHECK-MESSAGES: :[[@LINE-1]]:40: warning: property name 'URL_string' not using lowerCamelCase style or not prefixed in a category, according to the Apple Coding Guidelines [objc-property-declaration]
 @property(strong, nonatomic) NSString *supportURLsCamelCase;
 @property(strong, nonatomic) NSString *supportURLCamelCase;
 @property(strong, nonatomic) NSString *VCsPluralToAdd;
+@property(assign, nonatomic) int centerX;
+@property(assign, nonatomic) int enbale2GBackgroundFetch;
 @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
 No newline at end of file