UDQASTNode.hpp

/*
  Copyright 2019 Equinor ASA.
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef UDQASTNODE_HPP
#define UDQASTNODE_HPP
 
#include <opm/input/eclipse/Schedule/UDQ/UDQContext.hpp>
#include <opm/input/eclipse/Schedule/UDQ/UDQEnums.hpp>
#include <opm/input/eclipse/Schedule/UDQ/UDQSet.hpp>
 
#include <memory>
#include <set>
#include <string>
#include <unordered_set>
#include <variant>
#include <vector>
 
namespace Opm {
 
class UDQASTNode
{
public:
    UDQVarType var_type { UDQVarType::NONE };
 
    UDQASTNode();
    explicit UDQASTNode(UDQTokenType type_arg);
    explicit UDQASTNode(double scalar_value);
 
    UDQASTNode(UDQTokenType type_arg,
               const std::variant<std::string, double>& value_arg,
               const UDQASTNode& left_arg);
 
    UDQASTNode(UDQTokenType type_arg,
               const std::variant<std::string, double>& value_arg,
               const UDQASTNode& left,
               const UDQASTNode& right);
 
    UDQASTNode(UDQTokenType type_arg,
               const std::variant<std::string, double>& value_arg);
 
    UDQASTNode(UDQTokenType type_arg,
               const std::variant<std::string, double>& value_arg,
               const std::vector<std::string>& selector);
 
    static UDQASTNode serializationTestObject();
 
    UDQSet eval(UDQVarType eval_target, const UDQContext& context) const;
    bool valid() const;
    std::set<UDQTokenType> func_tokens() const;
 
    void update_type(const UDQASTNode& arg);
    void set_left(const UDQASTNode& arg);
    void set_right(const UDQASTNode& arg);
    void scale(double sign_factor);
 
    UDQASTNode* get_left() const;
    UDQASTNode* get_right() const;
    bool operator==(const UDQASTNode& data) const;
    void required_summary(std::unordered_set<std::string>& summary_keys) const;

    void requiredObjects(UDQ::RequisiteEvaluationObjects& objects) const;
 
    template <class Serializer>
    void serializeOp(Serializer& serializer)
    {
        serializer(var_type);
        serializer(type);
        serializer(value);
        serializer(sign);
        serializer(selector);
        serializer(left);
        serializer(right);
    }
 
private:
    UDQTokenType type;
 
    std::variant<std::string, double> value;
    double sign = 1.0;
    std::vector<std::string> selector;
    std::shared_ptr<UDQASTNode> left;
    std::shared_ptr<UDQASTNode> right;
 
    UDQSet eval_expression(const UDQContext& context) const;
 
    UDQSet eval_well_expression(const std::string& string_value,
                                const UDQContext&  context) const;
 
    UDQSet eval_group_expression(const std::string& string_value,
                                 const UDQContext&  context) const;
 
    UDQSet eval_segment_expression(const std::string& string_value,
                                   const UDQContext&  context) const;
 
    UDQSet eval_region_expression(const std::string& string_value,
                                  const UDQContext&  context) const;
 
    UDQSet eval_scalar_function(const UDQVarType  target_type,
                                const UDQContext& context) const;
 
    UDQSet eval_elemental_unary_function(const UDQVarType  target_type,
                                         const UDQContext& context) const;
 
    UDQSet eval_binary_function(const UDQVarType  target_type,
                                const UDQContext& context) const;
 
    UDQSet eval_number(const UDQVarType  target_type,
                       const UDQContext& context) const;
 
    UDQSet eval_table_lookup(const UDQVarType target_type,
                             const std::string& string_value,
                             const UDQContext& context) const;
 
    UDQSet eval_table_lookup_field(const std::string& string_value,
                                   const UDQContext& context) const;
    UDQSet eval_table_lookup_group(const std::string& string_value,
                                   const UDQContext& context) const;
    UDQSet eval_table_lookup_segment(const std::string& string_value,
                                     const UDQContext& context) const;
    UDQSet eval_table_lookup_well(const std::string& string_value,
                                  const UDQContext& context) const;
 
    void func_tokens(std::set<UDQTokenType>& tokens) const;

    void populateRequiredObjects(UDQ::RequisiteEvaluationObjects& objects) const;

    void populateRequiredGroupObjects(UDQ::RequisiteEvaluationObjects& objects) const;

    void populateRequiredRegionObjects(UDQ::RequisiteEvaluationObjects& objects) const;

    void populateRequiredSegmentObjects(UDQ::RequisiteEvaluationObjects& objects) const;

    void populateRequiredWellObjects(UDQ::RequisiteEvaluationObjects& objects) const;
};
 
UDQASTNode operator*(const UDQASTNode&lhs, double rhs);
UDQASTNode operator*(double lhs, const UDQASTNode& rhs);
 
} // namespace Opm
 
#endif // UDQASTNODE_HPP