handlers.cpp
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#include "crucible/core/handlers.hpp"
#include <cstdlib>
#include <exception>
#include <iostream>
#include "crucible/core/backtrace.hpp"
#include "crucible/core/console.hpp"
#include "crucible/core/format.hpp"
#include "crucible/core/iterators.hpp"
#include "crucible/core/memory.hpp"
#include "crucible/core/string.hpp"
namespace crucible
{
namespace
{
auto handle_backtrace_failure(Backtrace_Error const &/* error */) -> void
{
console().format_err_line("BACKTRACE FAILED");
console().format_err_line("────────────────");
}
auto handle_backtrace_success(Immutable_View<Stack_Frame> const frames) -> void
{
auto print_detailed_stack_frame {
[i = 0](Stack_Frame const &frame) mutable {
console().format_err_line("• #{}: {}", i, frame);
++i;
}
};
console().format_err_line("BACKTRACE");
console().format_err_line("─────────");
iterate(frames)
.examine(print_detailed_stack_frame)
.consume();
console().format_err_line("");
}
}
auto handle_terminate() -> void
{
console().format_err_line("");
auto const exception { std::current_exception() };
try {
if (exception) {
std::rethrow_exception(exception);
}
} catch (std::exception const &e) {
String_View const what { e.what(), std::strlen(e.what()) };
console().format_err_line("UNCAUGHT EXCEPTION");
console().format_err_line("──────────────────");
console().format_err_line("• what(): {}", what);
console().format_err_line("");
}
backtrace()
.resolve(handle_backtrace_failure, handle_backtrace_success);
std::abort();
}
}