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#include "fud_assert.hpp"
#include "fud_array.hpp"
#include "fud_span.hpp"
#include "fud_string_view.hpp"
#include <climits>
#include <cstdio>
#include <format>
namespace fud {
void assertFormat(
const char* assertion,
const std::source_location sourceLocation,
Span<char, ASSERT_MSG_SIZE> buffer)
{
auto lengthResult = cStringLength(sourceLocation.file_name());
size_t filenameLength = 0;
auto badLength = lengthResult < 1 || lengthResult > SSIZE_MAX;
if (!badLength) {
filenameLength = static_cast<size_t>(lengthResult);
}
const char* filename = nullptr;
if (badLength) {
constexpr const char invalidFile[] = "INVALID FILE";
static_assert(sizeof(invalidFile) < MAX_FILE_CHARS);
filenameLength = sizeof(invalidFile);
filename = invalidFile;
} else if (filenameLength > MAX_LINE_CHARS) {
filename = sourceLocation.file_name() + filenameLength - MAX_LINE_CHARS;
filenameLength = MAX_FILE_CHARS;
}
// clang-format off
static_cast<void>(std::format_to_n(
buffer.data(), buffer.size() - 1U,
"{:.{}s}:{}: {:.{}s}: Assertion `{:.{}s}` failed\n",
filename, filenameLength,
sourceLocation.line(),
sourceLocation.function_name(), MAX_FUNCTION_CHARS,
assertion, MAX_ASSERT_CHARS));
// clang-format on
}
[[noreturn]] void assertFail(const char* assertion, const std::source_location sourceLocation)
{
Array<char, ASSERT_MSG_SIZE> buffer{};
assertFormat(assertion, sourceLocation, Span<char, ASSERT_MSG_SIZE>::make(buffer));
buffer[buffer.size() - 1] = '\0';
fputs(buffer.data(), stderr);
std::abort();
}
} // namespace fud
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