expression.h

/*******************************************************************************
 * Copyright (C) 2015-2021 Commissariat a l'energie atomique et aux energies alternatives (CEA)
 * Copyright (C) 2020-2021 Institute of Bioorganic Chemistry Polish Academy of Science (PSNC)
 * All rights reserved.
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#ifndef PDI_EXPRESSION_H_
#define PDI_EXPRESSION_H_
 
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
 
#include <pdi/paraconf_wrapper.h>
 
#include <pdi/pdi_fwd.h>
 
namespace PDI {
 
class PDI_EXPORT Expression
{
    struct PDI_NO_EXPORT Impl;
    
    std::unique_ptr<Impl> m_impl;
    
    Expression(std::unique_ptr<Impl>);
    
public:
    Expression();
    
    Expression(const Expression& expr);
    
    Expression(Expression&& expr);
    
    Expression(const char* expr);
    
    Expression(const std::string& expr);
    
    Expression(long expr);
    
    Expression(double expr);
    
    Expression(PC_tree_t expr);
    
    ~Expression();
    
    Expression& operator=(const Expression& expr);
    
    Expression& operator=(Expression&& expr);
    
    Expression operator+(const Expression& expr) const;
    
    Expression operator*(const Expression& expr) const;
    
    Expression operator-(const Expression& expr) const;
    
    Expression operator/(const Expression& expr) const;
    
    Expression operator%(const Expression& expr) const;
    
    operator bool () const;
    
    long to_long(Context& ctx) const;
    
    double to_double(Context& ctx) const;
    
    std::string to_string(Context& ctx) const;
    
    Ref to_ref(Context& ctx) const;
    
    Ref to_ref(Context& ctx, Datatype_sptr type) const;
    
    static std::pair<Expression, long> parse_reference(const char* reference_str);
};
 
} // namespace PDI
 
#endif // PDI_EXPRESSION_H_