C++1y: Allow aggregates to have default initializers.
Add a CXXDefaultInitExpr, analogous to CXXDefaultArgExpr, and use it both in
CXXCtorInitializers and in InitListExprs to represent a default initializer.
There's an additional complication here: because the default initializer can
refer to the initialized object via its 'this' pointer, we need to make sure
that 'this' points to the right thing within the evaluation.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179958 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTReaderStmt.cpp b/lib/Serialization/ASTReaderStmt.cpp
index b18114f..c7748b7 100644
--- a/lib/Serialization/ASTReaderStmt.cpp
+++ b/lib/Serialization/ASTReaderStmt.cpp
@@ -1230,6 +1230,12 @@
E->Loc = ReadSourceLocation(Record, Idx);
}
+void ASTStmtReader::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
+ VisitExpr(E);
+ E->Field = ReadDeclAs<FieldDecl>(Record, Idx);
+ E->Loc = ReadSourceLocation(Record, Idx);
+}
+
void ASTStmtReader::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
VisitExpr(E);
E->setTemporary(Reader.ReadCXXTemporary(F, Record, Idx));
@@ -2111,6 +2117,9 @@
S = new (Context) CXXDefaultArgExpr(Empty);
break;
}
+ case EXPR_CXX_DEFAULT_INIT:
+ S = new (Context) CXXDefaultInitExpr(Empty);
+ break;
case EXPR_CXX_BIND_TEMPORARY:
S = new (Context) CXXBindTemporaryExpr(Empty);
break;
diff --git a/lib/Serialization/ASTWriterStmt.cpp b/lib/Serialization/ASTWriterStmt.cpp
index 61ddec0..5c8e213 100644
--- a/lib/Serialization/ASTWriterStmt.cpp
+++ b/lib/Serialization/ASTWriterStmt.cpp
@@ -1223,6 +1223,13 @@
Code = serialization::EXPR_CXX_DEFAULT_ARG;
}
+void ASTStmtWriter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
+ VisitExpr(E);
+ Writer.AddDeclRef(E->getField(), Record);
+ Writer.AddSourceLocation(E->getExprLoc(), Record);
+ Code = serialization::EXPR_CXX_DEFAULT_INIT;
+}
+
void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
VisitExpr(E);
Writer.AddCXXTemporary(E->getTemporary(), Record);