[ASTImporter] Add support for import of CXXInheritedCtorInitExpr.

Reviewers: a.sidorin, martong

Reviewed By: martong

Subscribers: rnkovacs, a_sidorin, martong, cfe-commits

Differential Revision: https://reviews.llvm.org/D49293

llvm-svn: 337898

clang/lib/AST/ASTImporter.cpp

@@ -460,6 +460,7 @@ namespace clang {
     Expr *VisitLambdaExpr(LambdaExpr *LE);
     Expr *VisitInitListExpr(InitListExpr *E);
     Expr *VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E);
+    Expr *VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *E);
     Expr *VisitArrayInitLoopExpr(ArrayInitLoopExpr *E);
     Expr *VisitArrayInitIndexExpr(ArrayInitIndexExpr *E);
     Expr *VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E);
@@ -6772,6 +6773,22 @@ Expr *ASTNodeImporter::VisitCXXStdInitializerListExpr(
   return new (Importer.getToContext()) CXXStdInitializerListExpr(T, SE);
 }
 
+Expr *ASTNodeImporter::VisitCXXInheritedCtorInitExpr(
+    CXXInheritedCtorInitExpr *E) {
+  QualType T = Importer.Import(E->getType());
+  if (T.isNull())
+    return nullptr;
+
+  auto *Ctor = cast_or_null<CXXConstructorDecl>(Importer.Import(
+      E->getConstructor()));
+  if (!Ctor)
+    return nullptr;
+
+  return new (Importer.getToContext()) CXXInheritedCtorInitExpr(
+      Importer.Import(E->getLocation()), T, Ctor,
+      E->constructsVBase(), E->inheritedFromVBase());
+}
+
 Expr *ASTNodeImporter::VisitArrayInitLoopExpr(ArrayInitLoopExpr *E) {
   QualType ToType = Importer.Import(E->getType());
   if (ToType.isNull())

clang/test/Import/inherited-ctor-init-expr/Inputs/A.cpp

@@ -0,0 +1,11 @@
+class A {
+public:
+  A(int a) : a(a) {}
+  int a;
+};
+class B : public A {
+  using A::A;
+};
+class C : public B {
+  C() : B(1) {}
+};

clang/test/Import/inherited-ctor-init-expr/test.cpp

@@ -0,0 +1,6 @@
+// RUN: clang-import-test -dump-ast -expression=%s -import=%S/Inputs/A.cpp | FileCheck %s
+// CHECK: | | | `-CXXInheritedCtorInitExpr
+
+void foo() {
+  C c;
+}