When producing code completion results for the Objective-C property
implementation
@synthesize <property> =
also produce a completion for a to-be-synthesized ivar named
_<property>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129697 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index ab1eb05..fa76db4 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -5372,14 +5372,51 @@
// Add all of the instance variables in this class and its superclasses.
Results.EnterNewScope();
+ bool SawSimilarlyNamedIvar = false;
+ std::string NameWithPrefix;
+ NameWithPrefix += '_';
+ NameWithPrefix += PropertyName->getName().str();
+ std::string NameWithSuffix = PropertyName->getName().str();
+ NameWithSuffix += '_';
for(; Class; Class = Class->getSuperClass()) {
// FIXME: We could screen the type of each ivar for compatibility with
- // the property, but is that being too paternal?
- for (ObjCInterfaceDecl::ivar_iterator IVar = Class->ivar_begin(),
- IVarEnd = Class->ivar_end();
- IVar != IVarEnd; ++IVar)
- Results.AddResult(Result(*IVar, 0), CurContext, 0, false);
+ // the property, but is that being too paternal?
+ for (ObjCIvarDecl *Ivar = Class->all_declared_ivar_begin(); Ivar;
+ Ivar = Ivar->getNextIvar()) {
+ // Determine whether we've seen an ivar with a name similar to the
+ // property.
+ if (!SawSimilarlyNamedIvar &&
+ (PropertyName->getName() == Ivar->getName() ||
+ NameWithPrefix == Ivar->getName() ||
+ NameWithSuffix == Ivar->getName()))
+ SawSimilarlyNamedIvar = true;
+
+ Results.AddResult(Result(Ivar, 0), CurContext, 0, false);
+ }
}
+
+ if (!SawSimilarlyNamedIvar) {
+ // Create ivar result _propName, that the user can use to synthesize
+ // an ivar of the appropriate type.
+ QualType T = Context.getObjCIdType();
+
+ if (Class) {
+ if (ObjCPropertyDecl *Property
+ = Class->FindPropertyDeclaration(PropertyName))
+ T = Property->getType().getNonReferenceType().getUnqualifiedType();
+ }
+
+ unsigned Priority = CCP_MemberDeclaration;
+ typedef CodeCompletionResult Result;
+ CodeCompletionAllocator &Allocator = Results.getAllocator();
+ CodeCompletionBuilder Builder(Allocator, Priority,CXAvailability_Available);
+
+ Builder.AddResultTypeChunk(GetCompletionTypeString(T, Context, Allocator));
+ Builder.AddTypedTextChunk(Allocator.CopyString(NameWithPrefix));
+ Results.AddResult(Result(Builder.TakeString(), Priority,
+ CXCursor_ObjCIvarDecl));
+ }
+
Results.ExitScope();
HandleCodeCompleteResults(this, CodeCompleter,