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-rw-r--r--include/clang/Parse/Action.h13
-rw-r--r--lib/Parse/ParseObjc.cpp6
-rw-r--r--lib/Sema/Sema.h2
-rw-r--r--lib/Sema/SemaCodeComplete.cpp46
-rw-r--r--test/Index/complete-member-access.m4
-rw-r--r--test/Index/complete-property-list.m16
6 files changed, 85 insertions, 2 deletions
diff --git a/include/clang/Parse/Action.h b/include/clang/Parse/Action.h
index d1f241ea70..ee852ff95c 100644
--- a/include/clang/Parse/Action.h
+++ b/include/clang/Parse/Action.h
@@ -2352,6 +2352,19 @@ public:
/// \param S the scope in which the operator keyword occurs.
/// \param Receiver an expression for the receiver of the message.
virtual void CodeCompleteObjCInstanceMessage(Scope *S, ExprTy *Receiver) { }
+
+ /// \brief Code completion for a list of protocol references in Objective-C,
+ /// such as P1 and P2 in \c id<P1,P2>.
+ ///
+ /// This code completion action is invoked prior to each identifier
+ /// in the protocol list.
+ ///
+ /// \param Protocols the set of protocols that have already been parsed.
+ ///
+ /// \param NumProtocols the number of protocols that have already been
+ /// parsed.
+ virtual void CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols,
+ unsigned NumProtocols) { }
//@}
};
diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index f0b1e9f3ef..dc173eaf4d 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -834,6 +834,12 @@ ParseObjCProtocolReferences(llvm::SmallVectorImpl<Action::DeclPtrTy> &Protocols,
llvm::SmallVector<IdentifierLocPair, 8> ProtocolIdents;
while (1) {
+ if (Tok.is(tok::code_completion)) {
+ Actions.CodeCompleteObjCProtocolReferences(ProtocolIdents.data(),
+ ProtocolIdents.size());
+ ConsumeToken();
+ }
+
if (Tok.isNot(tok::identifier)) {
Diag(Tok, diag::err_expected_ident);
SkipUntil(tok::greater);
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 35a7d782f1..333cc00069 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -4015,6 +4015,8 @@ public:
virtual void CodeCompleteObjCClassMessage(Scope *S, IdentifierInfo *FName,
SourceLocation FNameLoc);
virtual void CodeCompleteObjCInstanceMessage(Scope *S, ExprTy *Receiver);
+ virtual void CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols,
+ unsigned NumProtocols);
//@}
//===--------------------------------------------------------------------===//
diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index ebd860b692..be1ddddd69 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -95,6 +95,9 @@ namespace {
/// \brief Exit from the current scope.
void ExitScope();
+ /// \brief Ignore this declaration, if it is seen again.
+ void Ignore(Decl *D) { AllDeclsFound.insert(D->getCanonicalDecl()); }
+
/// \name Name lookup predicates
///
/// These predicates can be passed to the name lookup functions to filter the
@@ -1823,3 +1826,46 @@ void Sema::CodeCompleteObjCInstanceMessage(Scope *S, ExprTy *Receiver) {
Results.ExitScope();
HandleCodeCompleteResults(this, CodeCompleter, Results.data(),Results.size());
}
+
+/// \brief Add all of the protocol declarations that we find in the given
+/// (translation unit) context.
+static void AddProtocolResults(DeclContext *Ctx, DeclContext *CurContext,
+ ResultBuilder &Results) {
+ typedef CodeCompleteConsumer::Result Result;
+
+ for (DeclContext::decl_iterator D = Ctx->decls_begin(),
+ DEnd = Ctx->decls_end();
+ D != DEnd; ++D) {
+ // Record any protocols we find.
+ if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*D))
+ Results.MaybeAddResult(Result(Proto, 0), CurContext);
+
+ // Record any forward-declared protocols we find.
+ if (ObjCForwardProtocolDecl *Forward
+ = dyn_cast<ObjCForwardProtocolDecl>(*D)) {
+ for (ObjCForwardProtocolDecl::protocol_iterator
+ P = Forward->protocol_begin(),
+ PEnd = Forward->protocol_end();
+ P != PEnd; ++P)
+ Results.MaybeAddResult(Result(*P, 0), CurContext);
+ }
+ }
+}
+
+void Sema::CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols,
+ unsigned NumProtocols) {
+ ResultBuilder Results(*this);
+ Results.EnterNewScope();
+
+ // Tell the result set to ignore all of the protocols we have
+ // already seen.
+ for (unsigned I = 0; I != NumProtocols; ++I)
+ if (ObjCProtocolDecl *Protocol = LookupProtocol(Protocols[I].first))
+ Results.Ignore(Protocol);
+
+ // Add all protocols.
+ AddProtocolResults(Context.getTranslationUnitDecl(), CurContext, Results);
+
+ Results.ExitScope();
+ HandleCodeCompleteResults(this, CodeCompleter, Results.data(),Results.size());
+}
diff --git a/test/Index/complete-member-access.m b/test/Index/complete-member-access.m
index 94ba8e60c7..9202d0522f 100644
--- a/test/Index/complete-member-access.m
+++ b/test/Index/complete-member-access.m
@@ -1,5 +1,5 @@
-// Note: the RUN lines are near the end of the file, since line/column
-// matter for this test.
+/* Note: the RUN lines are near the end of the file, since line/column
+ matter for this test. */
@protocol MyProtocol
@property float ProtoProp;
diff --git a/test/Index/complete-property-list.m b/test/Index/complete-property-list.m
new file mode 100644
index 0000000000..f84b6248b8
--- /dev/null
+++ b/test/Index/complete-property-list.m
@@ -0,0 +1,16 @@
+/* Note: the RUN lines are near the end of the file, since line/column
+ matter for this test. */
+
+@protocol Protocol1
+@end
+
+@protocol Protocol2;
+
+void f(id<Protocol1,Protocol2>);
+
+// RUN: c-index-test -code-completion-at=%s:9:11 %s | FileCheck -check-prefix=CHECK-CC1 %s
+// CHECK-CC1: ObjCProtocolDecl:{TypedText Protocol1}
+// CHECK-CC1: ObjCProtocolDecl:{TypedText Protocol2}
+// RUN: c-index-test -code-completion-at=%s:9:21 %s | FileCheck -check-prefix=CHECK-CC2 %s
+// CHECK-CC2-NOT: ObjCProtocolDecl:{TypedText Protocol1}
+// CHECK-CC2: ObjCProtocolDecl:{TypedText Protocol2}