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-rw-r--r--include/clang/Basic/DiagnosticGroups.td2
-rw-r--r--include/clang/Basic/DiagnosticSemaKinds.td2
-rw-r--r--include/clang/Sema/Sema.h6
3 files changed, 10 insertions, 0 deletions
diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td
index f48eee416a..fdafb99109 100644
--- a/include/clang/Basic/DiagnosticGroups.td
+++ b/include/clang/Basic/DiagnosticGroups.td
@@ -230,6 +230,7 @@ def UnusedComparison : DiagGroup<"unused-comparison">;
def UnusedExceptionParameter : DiagGroup<"unused-exception-parameter">;
def UnneededInternalDecl : DiagGroup<"unneeded-internal-declaration">;
def UnneededMemberFunction : DiagGroup<"unneeded-member-function">;
+def UnusedPrivateField : DiagGroup<"unused-private-field">;
def UnusedFunction : DiagGroup<"unused-function", [UnneededInternalDecl]>;
def UnusedMemberFunction : DiagGroup<"unused-member-function",
[UnneededMemberFunction]>;
@@ -311,6 +312,7 @@ def Unused : DiagGroup<"unused",
[UnusedArgument, UnusedFunction, UnusedLabel,
// UnusedParameter, (matches GCC's behavior)
// UnusedMemberFunction, (clean-up llvm before enabling)
+ // UnusedPrivateField, (clean-up llvm before enabling)
UnusedValue, UnusedVariable]>,
DiagCategory<"Unused Entity Issue">;
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index 7ed00e6b52..3dc03fa802 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -173,6 +173,8 @@ def warn_unneeded_internal_decl : Warning<
def warn_unneeded_member_function : Warning<
"member function %0 is not needed and will not be emitted">,
InGroup<UnneededMemberFunction>, DefaultIgnore;
+def warn_unused_private_field: Warning<"private field %0 is not used">,
+ InGroup<UnusedPrivateField>, DefaultIgnore;
def warn_parameter_size: Warning<
"%0 is a large (%1 bytes) pass-by-value argument; "
diff --git a/include/clang/Sema/Sema.h b/include/clang/Sema/Sema.h
index d7bc2bfe19..f0d3213bd3 100644
--- a/include/clang/Sema/Sema.h
+++ b/include/clang/Sema/Sema.h
@@ -37,6 +37,7 @@
#include "clang/Basic/ExpressionTraits.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include <deque>
@@ -267,6 +268,11 @@ public:
/// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes.
OwningPtr<CXXFieldCollector> FieldCollector;
+ typedef llvm::SmallSetVector<const NamedDecl*, 16> NamedDeclSetType;
+
+ /// \brief Set containing all declared private fields that are not used.
+ NamedDeclSetType UnusedPrivateFields;
+
typedef llvm::SmallPtrSet<const CXXRecordDecl*, 8> RecordDeclSetTy;
/// PureVirtualClassDiagSet - a set of class declarations which we have