Add a method to query whether or not a class has a default constructor declared.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131255 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 1 deletions

diff --git a/include/clang/AST/DeclCXX.h b/include/clang/AST/DeclCXX.h
index 47308b4ccd..b193b9a18e 100644
--- a/include/clang/AST/DeclCXX.h
+++ b/include/clang/AST/DeclCXX.h
@@ -437,7 +437,7 @@ class CXXRecordDecl : public RecordDecl {
     bool ComputedVisibleConversions : 1;
 
     /// \brief Whether we have a C++0x user-provided default constructor (not
-    /// explicitly deleted or defaulted.
+    /// explicitly deleted or defaulted).
     bool UserProvidedDefaultConstructor : 1;
 
     /// \brief Whether we have already declared the default constructor.
@@ -684,6 +684,12 @@ public:
            !data().DeclaredDefaultConstructor;
   }
 
+  /// hasDeclaredDefaultConstructor - Whether this class's default constructor
+  /// has been declared (either explicitly or implicitly).
+  bool hasDeclaredDefaultConstructor() const {
+    return data().DeclaredDefaultConstructor;
+  }
+
   /// hasConstCopyConstructor - Determines whether this class has a
   /// copy constructor that accepts a const-qualified argument.
   bool hasConstCopyConstructor(const ASTContext &Context) const;