Objective-C SDK modernization tool. Use its own option

,-objcmt-migrate-property-dot-syntax, when migarting to use
property-dot syntax in place of messaging expression.
rdar://18839124


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221001 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Driver/Options.td

@@ -181,6 +181,8 @@ def objcmt_migrate_readonly_property : Flag<["-"], "objcmt-migrate-readonly-prop
   HelpText<"Enable migration to modern ObjC readonly property">;
 def objcmt_migrate_readwrite_property : Flag<["-"], "objcmt-migrate-readwrite-property">, Flags<[CC1Option]>,
   HelpText<"Enable migration to modern ObjC readwrite property">;
+def objcmt_migrate_property_dot_syntax : Flag<["-"], "objcmt-migrate-property-dot-syntax">, Flags<[CC1Option]>,
+  HelpText<"Enable migration of setter/getter messages to property-dot syntax">;
 def objcmt_migrate_annotation : Flag<["-"], "objcmt-migrate-annotation">, Flags<[CC1Option]>,
   HelpText<"Enable migration to property and method annotations">;
 def objcmt_migrate_instancetype : Flag<["-"], "objcmt-migrate-instancetype">, Flags<[CC1Option]>,

include/clang/Frontend/FrontendOptions.h

@@ -184,12 +184,15 @@ public:
     ObjCMT_NsAtomicIOSOnlyProperty = 0x400,
     /// \brief Enable inferring NS_DESIGNATED_INITIALIZER for ObjC methods.
     ObjCMT_DesignatedInitializer = 0x800,
+    /// \brief Enable converting setter/getter expressions to property-dot syntx.
+    ObjCMT_PropertyDotSyntax = 0x1000,
     ObjCMT_MigrateDecls = (ObjCMT_ReadonlyProperty | ObjCMT_ReadwriteProperty |
                            ObjCMT_Annotation | ObjCMT_Instancetype |
                            ObjCMT_NsMacros | ObjCMT_ProtocolConformance |
                            ObjCMT_NsAtomicIOSOnlyProperty |
                            ObjCMT_DesignatedInitializer),
-    ObjCMT_MigrateAll = (ObjCMT_Literals | ObjCMT_Subscripting | ObjCMT_MigrateDecls)
+    ObjCMT_MigrateAll = (ObjCMT_Literals | ObjCMT_Subscripting |
+                         ObjCMT_MigrateDecls | ObjCMT_PropertyDotSyntax)
   };
   unsigned ObjCMTAction;
   std::string ObjCMTWhiteListPath;

lib/ARCMigrate/ObjCMT.cpp

@@ -333,7 +333,7 @@ public:
       Consumer.Editor->commit(commit);
     }
 
-    if (Consumer.ASTMigrateActions & FrontendOptions::ObjCMT_Property) {
+    if (Consumer.ASTMigrateActions & FrontendOptions::ObjCMT_PropertyDotSyntax) {
       edit::Commit commit(*Consumer.Editor);
       rewriteToPropertyDotSyntax(E, Consumer.PP, *Consumer.NSAPIObj,
                                  commit, &PMap);

lib/Frontend/CompilerInvocation.cpp

@@ -886,6 +886,8 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
     Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals;
   if (Args.hasArg(OPT_objcmt_migrate_subscripting))
     Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting;
+  if (Args.hasArg(OPT_objcmt_migrate_property_dot_syntax))
+    Opts.ObjCMTAction |= FrontendOptions::ObjCMT_PropertyDotSyntax;
   if (Args.hasArg(OPT_objcmt_migrate_property))
     Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Property;
   if (Args.hasArg(OPT_objcmt_migrate_readonly_property))

test/ARCMT/objcmt-property-dot-syntax.m

@@ -1,5 +1,5 @@
 // RUN: rm -rf %t
-// RUN: %clang_cc1 -objcmt-migrate-property -mt-migrate-directory %t %s -x objective-c -fobjc-runtime-has-weak -fobjc-arc -triple x86_64-apple-darwin11
+// RUN: %clang_cc1 -objcmt-migrate-property-dot-syntax -mt-migrate-directory %t %s -x objective-c -fobjc-runtime-has-weak -fobjc-arc -triple x86_64-apple-darwin11
 // RUN: c-arcmt-test -mt-migrate-directory %t | arcmt-test -verify-transformed-files %s.result
 // RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c -fobjc-runtime-has-weak -fobjc-arc %s.result
 

test/ARCMT/objcmt-property-dot-syntax.m.result

@@ -1,5 +1,5 @@
 // RUN: rm -rf %t
-// RUN: %clang_cc1 -objcmt-migrate-property -mt-migrate-directory %t %s -x objective-c -fobjc-runtime-has-weak -fobjc-arc -triple x86_64-apple-darwin11
+// RUN: %clang_cc1 -objcmt-migrate-property-dot-syntax -mt-migrate-directory %t %s -x objective-c -fobjc-runtime-has-weak -fobjc-arc -triple x86_64-apple-darwin11
 // RUN: c-arcmt-test -mt-migrate-directory %t | arcmt-test -verify-transformed-files %s.result
 // RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c -fobjc-runtime-has-weak -fobjc-arc %s.result
 
@@ -13,7 +13,7 @@
 }
 @property int count;
 @property (copy) P* PropertyReturnsPObj;
-@property (nonatomic, readonly, strong) P *MethodReturnsPObj;
+- (P*) MethodReturnsPObj;
 @end
 
 P* fun();