72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
//--------------------------------------------------------------------*- C++ -*-
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// CLING - the C++ LLVM-based InterpreterG :)
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// author: Vassil Vassilev <vvasilev@cern.ch>
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//
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// This file is dual-licensed: you can choose to license it under the University
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// of Illinois Open Source License or the GNU Lesser General Public License. See
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// LICENSE.TXT for details.
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//------------------------------------------------------------------------------
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#ifndef CLING_TRANSACTION_TRANSFORMER_H
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#define CLING_TRANSACTION_TRANSFORMER_H
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namespace clang {
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class Sema;
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}
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namespace cling {
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class Transaction;
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///\brief Inherit from that class if you want to change/analyse declarations
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/// from the last input before code is generated.
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///
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class TransactionTransformer {
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protected:
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clang::Sema* m_Sema;
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///\brief Transaction being transformed.
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Transaction* m_Transaction;
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public:
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///\brief Initializes a new transaction transformer.
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///
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///\param[in] S - The semantic analysis object.
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///
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TransactionTransformer(clang::Sema* S): m_Sema(S), m_Transaction(0) {}
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virtual ~TransactionTransformer();
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///\brief Retrieves a pointer to the semantic analysis object used for this
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/// transaction transform.
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///
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clang::Sema* getSemaPtr() const { return m_Sema; }
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///\brief Retreives the transaction being currently transformed.
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///
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Transaction* getTransaction() { return m_Transaction; }
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///\brief Retreives the transaction being currently transformed.
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///
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const Transaction* getTransaction() const { return m_Transaction; }
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void setTransaction(Transaction* T) { m_Transaction = T; }
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///\brief The method that does the transformation of a transaction into
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/// another. If forwards to the protected virtual Transform method, which
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/// does the actual transformation.
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///
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///\param[in] T - The transaction to be transformed.
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///\returns true on success.
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///
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bool TransformTransaction(Transaction& T);
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protected:
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///\brief Transforms the current transaction.
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///
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/// Subclasses may override it in order to provide the needed behavior.
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///
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virtual void Transform() = 0;
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};
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} // end namespace cling
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#endif // CLING_TRANSACTION_TRANSFORMER_H
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