installed_functions.h

#ifndef INSTALLED_FUNCTIONS_H
#define INSTALLED_FUNCTIONS_H

#include <vector>
#include <memory>
#include <iostream>
#include <chrono>
#include <functional>
#include <unordered_map>

#include "value.h"
#include "exc.h"

using namespace std;

inline void f_pause(const activation_record&, const vector<shared_ptr<value>>& args)
{
    auto parg = dynamic_cast<typed_value<chrono::seconds>*>(args[0].get());
    if (!parg)
        throw runtime_exception("argument type mismatch in function pause");
    auto duration = parg->value;
    cout << "pause: " << duration.count() << " seconds" << endl;
}

inline void f_click(const activation_record&, const vector<shared_ptr<value>>& args)
{
    auto parg1 = dynamic_cast<typed_value<int>*>(args[0].get());
    auto parg2 = dynamic_cast<typed_value<int>*>(args[1].get());
    if (!parg1 || !parg2)
        throw runtime_exception("argument type mismatch in function click");
    auto x = parg1->value;
    auto y = parg2->value;
    cout << "click: (" << x << ", " << y << ")" << endl;
}

inline void f_dump(const activation_record&, const vector<shared_ptr<value>>& args)
{
    cout << "dump: ";
    bool first = true;
    for (auto& arg : args)
    {
        auto parg = arg.get();
        if (!parg)
            throw runtime_exception("impossible: no arg value");
        if (!first)
            cout << ", ";
        auto pintarg = dynamic_cast<typed_value<int>*>(parg);
        if (pintarg)
            cout << pintarg->value << " (int)" << endl;
        auto ptimearg = dynamic_cast<typed_value<chrono::seconds>*>(parg);
        if (ptimearg)
            cout << ptimearg->value.count() << "s (time)" << endl;
        auto pboolarg = dynamic_cast<typed_value<bool>*>(parg);
        if (pboolarg)
            cout << boolalpha << pboolarg->value << " (bool)" << endl;
        first = false;
    }
}

#endif