OperationDAGConverter.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
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    the rights to use, copy, modify, merge, publish, distribute, sublicense,
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    The above copyright notice and this permission notice shall be included in
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/**
 * @file OperationDAGConverter.hh
 *
 * Declaration of OperationDAGConverter class.
 *
 * @author Mikael Lepistö 2007 (mikael.lepisto-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_OPERATION_DAG_CONVERTER_HH
#define TTA_OPERATION_DAG_CONVERTER_HH
 
#include <string>
#include <set>
#include <map>
#include <vector>
 
#include <Operand.hh>
 
class OperationDAG;
class OperationDAGNode;
class OperationPimpl;
 
/**
 * Parser for creating Operation DAG from Operation DAG Language and
 * for writing Operation DAG back to language form.
 */
class OperationDAGConverter {
public:
    static OperationDAG* createDAG(const OperationPimpl& operation, std::string sourceCode);
    static std::string createOsalCode(const OperationDAG& dag);
    static std::string createSimulationCode(
        const OperationDAG& dag, 
        std::vector<std::string>* varReplacements = NULL);
 
private:
    typedef std::pair<const OperationDAGNode*,int> VariableKey;
 
    static std::string castedVar(
        std::string var, Operand::OperandType type);
    
    static bool writeNode(
        std::string& retVal,
        const OperationDAG& dag, const OperationDAGNode& node,
        std::map<VariableKey, std::string>& varBindings,
        std::set<const OperationDAGNode*>& alreadyHandled,
        int& tempVarCount,
        std::set<const OperationDAGNode*>& currentlyHandling,
        std::map<std::string, std::string>* opReplace = NULL,
        std::vector<std::string>* varReplacements = NULL);
};
 
#endif