//===-- ClangExpression.h ---------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef liblldb_ClangExpression_h_
#define liblldb_ClangExpression_h_

// C Includes
// C++ Includes
#include <string>
#include <map>
#include <vector>

// Other libraries and framework includes
// Project includes

#include "lldb/lldb-forward.h"
#include "lldb/lldb-private.h"
#include "lldb/Core/ClangForward.h"
#include "lldb/Expression/ExpressionTypeSystemHelper.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_
