Rename ObjCMethodDecl::isSynthesized to isPropertyAccessor.

This more accurately reflects its use: this flag is set when a method
matches the getter or setter name for a property in the same class,
and does not actually specify whether or not the definition of the method
will be synthesized (either implicitly or explicitly with @synthesize).

This renames the setter and backing field as well, and changes the
(soon-to-be-obsolete?) XML dump format to use 'property_accessor'
instead of 'synthesized'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165626 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index adbcd70..38c05ff 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -1578,9 +1578,9 @@
          E = PDecl->instmeth_end(); I != E; ++I) {
       ObjCMethodDecl *method = *I;
       if (method->getImplementationControl() != ObjCMethodDecl::Optional &&
-          !method->isSynthesized() && !InsMap.count(method->getSelector()) &&
-          (!Super ||
-           !Super->lookupInstanceMethod(method->getSelector()))) {
+          !method->isPropertyAccessor() &&
+          !InsMap.count(method->getSelector()) &&
+          (!Super || !Super->lookupInstanceMethod(method->getSelector()))) {
             // If a method is not implemented in the category implementation but
             // has been declared in its primary class, superclass,
             // or in one of their protocols, no need to issue the warning. 
@@ -1593,7 +1593,7 @@
             if (ObjCMethodDecl *MethodInClass =
                   IDecl->lookupInstanceMethod(method->getSelector(), 
                                               true /*shallowCategoryLookup*/))
-              if (C || MethodInClass->isSynthesized())
+              if (C || MethodInClass->isPropertyAccessor())
                 continue;
             unsigned DIAG = diag::warn_unimplemented_protocol_method;
             if (Diags.getDiagnosticLevel(DIAG, ImpLoc)
@@ -1654,7 +1654,7 @@
     if (InsMapSeen.count((*I)->getSelector()))
         continue;
     InsMapSeen.insert((*I)->getSelector());
-    if (!(*I)->isSynthesized() &&
+    if (!(*I)->isPropertyAccessor() &&
         !InsMap.count((*I)->getSelector())) {
       if (ImmediateClass)
         WarnUndefinedMethod(IMPDecl->getLocation(), *I, IncompleteImpl,
@@ -1671,7 +1671,7 @@
         if (!WarnCategoryMethodImpl)
           WarnConflictingTypedMethods(ImpMethodDecl, MethodDecl,
                                       isa<ObjCProtocolDecl>(CDecl));
-        else if (!MethodDecl->isSynthesized())
+        else if (!MethodDecl->isPropertyAccessor())
           WarnExactTypedMethods(ImpMethodDecl, MethodDecl,
                                 isa<ObjCProtocolDecl>(CDecl));
       }
@@ -2372,11 +2372,11 @@
                CExtDecl; CExtDecl = CExtDecl->getNextClassExtension()) {
             if (ObjCMethodDecl *GetterMethod =
                 CExtDecl->getInstanceMethod(Property->getGetterName()))
-              GetterMethod->setSynthesized(true);
+              GetterMethod->setPropertyAccessor(true);
             if (!Property->isReadOnly())
               if (ObjCMethodDecl *SetterMethod =
                   CExtDecl->getInstanceMethod(Property->getSetterName()))
-                SetterMethod->setSynthesized(true);
+                SetterMethod->setPropertyAccessor(true);
           }        
         }
       }
@@ -2824,7 +2824,7 @@
                            ResultTInfo,
                            CurContext,
                            MethodType == tok::minus, isVariadic,
-                           /*isSynthesized=*/false,
+                           /*isPropertyAccessor=*/false,
                            /*isImplicitlyDeclared=*/false, /*isDefined=*/false,
                            MethodDeclKind == tok::objc_optional 
                              ? ObjCMethodDecl::Optional
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index f3ae25e..ec16bab 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -229,7 +229,7 @@
                                     S.NSNumberPointer, ResultTInfo,
                                     S.NSNumberDecl,
                                     /*isInstance=*/false, /*isVariadic=*/false,
-                                    /*isSynthesized=*/false,
+                                    /*isPropertyAccessor=*/false,
                                     /*isImplicitlyDeclared=*/true,
                                     /*isDefined=*/false,
                                     ObjCMethodDecl::Required,
@@ -477,7 +477,7 @@
                                    stringWithUTF8String, NSStringPointer,
                                    ResultTInfo, NSStringDecl,
                                    /*isInstance=*/false, /*isVariadic=*/false,
-                                   /*isSynthesized=*/false,
+                                   /*isPropertyAccessor=*/false,
                                    /*isImplicitlyDeclared=*/true,
                                    /*isDefined=*/false,
                                    ObjCMethodDecl::Required,
@@ -646,7 +646,7 @@
                            ResultTInfo,
                            Context.getTranslationUnitDecl(),
                            false /*Instance*/, false/*isVariadic*/,
-                           /*isSynthesized=*/false,
+                           /*isPropertyAccessor=*/false,
                            /*isImplicitlyDeclared=*/true, /*isDefined=*/false,
                            ObjCMethodDecl::Required,
                            false);
@@ -764,7 +764,7 @@
                            0 /*TypeSourceInfo */,
                            Context.getTranslationUnitDecl(),
                            false /*Instance*/, false/*isVariadic*/,
-                           /*isSynthesized=*/false,
+                           /*isPropertyAccessor=*/false,
                            /*isImplicitlyDeclared=*/true, /*isDefined=*/false,
                            ObjCMethodDecl::Required,
                            false);
@@ -1328,7 +1328,7 @@
     // See if receiver is a method which envokes a synthesized getter
     // backing a 'weak' property.
     ObjCMethodDecl *Method = ME->getMethodDecl();
-    if (Method && Method->isSynthesized()) {
+    if (Method && Method->isPropertyAccessor()) {
       Selector Sel = Method->getSelector();
       if (Sel.getNumArgs() == 0) {
         const DeclContext *Container = Method->getDeclContext();
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index f32376c..8364c07 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -1929,7 +1929,7 @@
     GetterMethod = ObjCMethodDecl::Create(Context, Loc, Loc,
                              property->getGetterName(),
                              property->getType(), 0, CD, /*isInstance=*/true,
-                             /*isVariadic=*/false, /*isSynthesized=*/true,
+                             /*isVariadic=*/false, /*isPropertyAccessor=*/true,
                              /*isImplicitlyDeclared=*/true, /*isDefined=*/false,
                              (property->getPropertyImplementation() ==
                               ObjCPropertyDecl::Optional) ?
@@ -1949,7 +1949,7 @@
   } else
     // A user declared getter will be synthesize when @synthesize of
     // the property with the same name is seen in the @implementation
-    GetterMethod->setSynthesized(true);
+    GetterMethod->setPropertyAccessor(true);
   property->setGetterMethodDecl(GetterMethod);
 
   // Skip setter if property is read-only.
@@ -1967,7 +1967,7 @@
         ObjCMethodDecl::Create(Context, Loc, Loc,
                                property->getSetterName(), Context.VoidTy, 0,
                                CD, /*isInstance=*/true, /*isVariadic=*/false,
-                               /*isSynthesized=*/true,
+                               /*isPropertyAccessor=*/true,
                                /*isImplicitlyDeclared=*/true,
                                /*isDefined=*/false,
                                (property->getPropertyImplementation() ==
@@ -1998,7 +1998,7 @@
     } else
       // A user declared setter will be synthesize when @synthesize of
       // the property with the same name is seen in the @implementation
-      SetterMethod->setSynthesized(true);
+      SetterMethod->setPropertyAccessor(true);
     property->setSetterMethodDecl(SetterMethod);
   }
   // Add any synthesized methods to the global pool. This allows us to
diff --git a/lib/Sema/SemaPseudoObject.cpp b/lib/Sema/SemaPseudoObject.cpp
index 22a24a9..37d9e77 100644
--- a/lib/Sema/SemaPseudoObject.cpp
+++ b/lib/Sema/SemaPseudoObject.cpp
@@ -552,7 +552,7 @@
   // Do a normal method lookup first.
   if (ObjCMethodDecl *setter =
         LookupMethodInReceiverType(S, SetterSelector, RefExpr)) {
-    if (setter->isSynthesized() && warn)
+    if (setter->isPropertyAccessor() && warn)
       if (const ObjCInterfaceDecl *IFace =
           dyn_cast<ObjCInterfaceDecl>(setter->getDeclContext())) {
         const StringRef thisPropertyName(prop->getName());
@@ -1068,7 +1068,7 @@
                            0 /*TypeSourceInfo */,
                            S.Context.getTranslationUnitDecl(),
                            true /*Instance*/, false/*isVariadic*/,
-                           /*isSynthesized=*/false,
+                           /*isPropertyAccessor=*/false,
                            /*isImplicitlyDeclared=*/true, /*isDefined=*/false,
                            ObjCMethodDecl::Required,
                            false);
@@ -1184,7 +1184,7 @@
                            ResultTInfo,
                            S.Context.getTranslationUnitDecl(),
                            true /*Instance*/, false/*isVariadic*/,
-                           /*isSynthesized=*/false,
+                           /*isPropertyAccessor=*/false,
                            /*isImplicitlyDeclared=*/true, /*isDefined=*/false,
                            ObjCMethodDecl::Required,
                            false);