boot.cpp
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#include "crucible/core/boot.hpp"
#include "crucible/core/environment.hpp"
#include "crucible/core/handlers.hpp"
#include "crucible/core/iterators.hpp"
#include <exception>
#include <type_traits>
#include <utility>
namespace crucible
{
auto boot_from_main(int argc, char **argv, Boot_Function const boot_function) -> int
{
// Very first thing: set the terminate handler so that we get a backtrace if anything crashes
std::set_terminate(handle_terminate);
// Parse environment variables
environment().initialize();
// Convert argv into Crucible data structures
auto const arguments {
iterate(argv, argc)
.map([](char const *argument) {
return String_View { argument, std::strlen(argument) };
})
.materialize<Heap_Buffer<String_View>>()
};
// Call into client code. If you're looking for where your program starts, it's here :)
Exit_Status const status { boot_function(arguments.view()) };
// Convert Exit_Status back into an int and finish up
static_assert(std::is_same_v<std::underlying_type_t<Exit_Status>, int>);
return static_cast<int>(status);
}
}