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-rw-r--r--include/clang/Parse/Parser.h2
-rw-r--r--lib/Parse/ParseDecl.cpp9
-rw-r--r--lib/Parse/ParseObjc.cpp7
-rw-r--r--test/Parser/placeholder-recovery.m12
4 files changed, 21 insertions, 9 deletions
diff --git a/include/clang/Parse/Parser.h b/include/clang/Parse/Parser.h
index f8ca18afa8..e94225813e 100644
--- a/include/clang/Parse/Parser.h
+++ b/include/clang/Parse/Parser.h
@@ -951,7 +951,7 @@ private:
bool WarnOnDeclarations,
SourceLocation &LAngleLoc,
SourceLocation &EndProtoLoc);
- void ParseObjCProtocolQualifiers(DeclSpec &DS);
+ bool ParseObjCProtocolQualifiers(DeclSpec &DS);
void ParseObjCInterfaceDeclList(Decl *interfaceDecl,
tok::ObjCKeywordKind contextKey);
Decl *ParseObjCAtProtocolDeclaration(SourceLocation atLoc,
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index ed58a92323..121289696d 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -1434,11 +1434,10 @@ void Parser::ParseDeclarationSpecifiers(DeclSpec &DS,
if (DS.hasTypeSpecifier() || !getLang().ObjC1)
goto DoneWithDeclSpec;
- ParseObjCProtocolQualifiers(DS);
-
- Diag(Loc, diag::warn_objc_protocol_qualifier_missing_id)
- << FixItHint::CreateInsertion(Loc, "id")
- << SourceRange(Loc, DS.getSourceRange().getEnd());
+ if (!ParseObjCProtocolQualifiers(DS))
+ Diag(Loc, diag::warn_objc_protocol_qualifier_missing_id)
+ << FixItHint::CreateInsertion(Loc, "id")
+ << SourceRange(Loc, DS.getSourceRange().getEnd());
// Need to support trailing type qualifiers (e.g. "id<p> const").
// If a type specifier follows, it will be diagnosed elsewhere.
diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index c01bea9cb5..456c9c7282 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -1038,18 +1038,19 @@ ParseObjCProtocolReferences(llvm::SmallVectorImpl<Decl *> &Protocols,
/// \brief Parse the Objective-C protocol qualifiers that follow a typename
/// in a decl-specifier-seq, starting at the '<'.
-void Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) {
+bool Parser::ParseObjCProtocolQualifiers(DeclSpec &DS) {
assert(Tok.is(tok::less) && "Protocol qualifiers start with '<'");
assert(getLang().ObjC1 && "Protocol qualifiers only exist in Objective-C");
SourceLocation LAngleLoc, EndProtoLoc;
llvm::SmallVector<Decl *, 8> ProtocolDecl;
llvm::SmallVector<SourceLocation, 8> ProtocolLocs;
- ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false,
- LAngleLoc, EndProtoLoc);
+ bool Result = ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false,
+ LAngleLoc, EndProtoLoc);
DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(),
ProtocolLocs.data(), LAngleLoc);
if (EndProtoLoc.isValid())
DS.SetRangeEnd(EndProtoLoc);
+ return Result;
}
diff --git a/test/Parser/placeholder-recovery.m b/test/Parser/placeholder-recovery.m
new file mode 100644
index 0000000000..1fc154955d
--- /dev/null
+++ b/test/Parser/placeholder-recovery.m
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// FIXME: We could do much better with this, if we recognized
+// placeholders somehow. However, we're content with not generating
+// bogus 'archaic' warnings with bad location info.
+@protocol <#protocol name#> <NSObject> // expected-error 2{{expected identifier}} \
+// expected-error{{cannot find protocol declaration for 'NSObject'}} \
+// expected-warning{{protocol qualifiers without 'id'}}
+
+<#methods#> // expected-error{{expected identifier}}
+
+@end // expected-error{{prefix attribute}}