configurer.h

/*******************************************************************************
 * Copyright 2017-2022 MINRES Technologies GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
 
#ifndef _SYSC_CONFIGURER_H_
#define _SYSC_CONFIGURER_H_
 
#include "report.h"
#include "utilities.h"
#include <cci_configuration>
#include <regex>
 
namespace scc {
 
bool init_cci(std::string name = "Global Broker");
class configurer : public sc_core::sc_module {
    struct ConfigHolder;
 
public:
    using base_type = sc_core::sc_module;
    using broker_t = cci::cci_broker_handle;
    using cci_param_cln = std::vector<std::pair<cci::cci_param_post_write_callback_untyped, std::unique_ptr<cci::cci_param_untyped>>>;
    enum { NEVER = 0, BEFORE_END_OF_ELABORATION = 1, END_OF_ELABORATION = 2, START_OF_SIMULATION = 4 };
    configurer(std::string const& filename, unsigned sc_attr_config_phases = BEFORE_END_OF_ELABORATION);
 
    configurer() = delete;
 
    configurer(const configurer&) = delete;
 
    configurer(configurer&&) = delete;
 
    ~configurer();
 
    configurer& operator=(const configurer&) = delete;
 
    configurer& operator=(configurer&&) = delete;
 
    void read_input_file(std::string const& filename);
    void configure();
    void dump_configuration(std::ostream& os = std::cout, bool as_yaml = true, bool with_description = false,
                            sc_core::sc_object* obj = nullptr);
    void dump_configuration(std::string const& file_name, bool with_description = false) {
        dump_file_name = file_name;
        this->with_description = with_description;
    }
    template <typename T> void set_value(std::string const& hier_name, T value) { set_value(hier_name, cci::cci_value(value)); }
    void set_configuration_value(sc_core::sc_attr_base* attr_base, sc_core::sc_object* owner);
    static configurer& get() {
        configurer* inst = dynamic_cast<configurer*>(sc_core::sc_find_object("$$$configurer$$$"));
        if(!inst)
            SCCFATAL() << "No configurer instantiated when using it";
        return *inst;
    }
 
protected:
    unsigned const config_phases;
    std::string dump_file_name{""};
    bool with_description{false};
    configurer(std::string const& filename, unsigned sc_attr_config_phases, sc_core::sc_module_name nm);
    void config_check();
    void before_end_of_elaboration() override {
        if(config_phases & BEFORE_END_OF_ELABORATION)
            configure();
    }
    void end_of_elaboration() override {
        if(config_phases & END_OF_ELABORATION)
            configure();
    }
    void start_of_simulation() override;
    broker_t cci_broker;
    void set_value(const std::string& hier_name, cci::cci_value value);
    cci_param_cln cci2sc_attr;
    cci::cci_originator cci_originator;
    std::unique_ptr<ConfigHolder> root;
};
 
} // namespace scc // end of scc-sysc
#endif    /* _SYSC_CONFIGURER_H_ */