1 files changed, 60 insertions, 0 deletions
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionHelper.h b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionHelper.h
new file mode 100644
index 0000000000000..48da5abb91261
--- /dev/null
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionHelper.h
@@ -0,0 +1,60 @@
+//===-- ClangExpressionHelper.h ---------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ClangExpression_h_
+#define liblldb_ClangExpression_h_
+
+#include <map>
+#include <string>
+#include <vector>
+
+
+#include "lldb/Core/ClangForward.h"
+#include "lldb/Expression/ExpressionTypeSystemHelper.h"
+#include "lldb/lldb-forward.h"
+#include "lldb/lldb-private.h"
+
+namespace lldb_private {
+
+class RecordingMemoryManager;
+
+// ClangExpressionHelper
+class ClangExpressionHelper : public ExpressionTypeSystemHelper {
+public:
+  static bool classof(const ExpressionTypeSystemHelper *ts) {
+    return ts->getKind() == eKindClangHelper;
+  }
+
+  ClangExpressionHelper()
+      : ExpressionTypeSystemHelper(
+            ExpressionTypeSystemHelper::LLVMCastKind::eKindClangHelper) {}
+
+  /// Destructor
+  virtual ~ClangExpressionHelper() {}
+
+  /// Return the object that the parser should use when resolving external
+  /// values.  May be NULL if everything should be self-contained.
+  virtual ClangExpressionDeclMap *DeclMap() = 0;
+
+  /// Return the object that the parser should allow to access ASTs.
+  /// May be NULL if the ASTs do not need to be transformed.
+  ///
+  /// \param[in] passthrough
+  ///     The ASTConsumer that the returned transformer should send
+  ///     the ASTs to after transformation.
+  virtual clang::ASTConsumer *
+  ASTTransformer(clang::ASTConsumer *passthrough) = 0;
+
+  virtual void CommitPersistentDecls() {}
+
+protected:
+};
+
+} // namespace lldb_private
+
+#endif // liblldb_ClangExpression_h_