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Added STL formatters for Stacktrace and Stackframe.

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This commit is contained in:
Patrick 2025-06-23 00:20:17 +02:00
parent 2b368c1d4f
commit 7284d3d15f
1 changed files with 63 additions and 0 deletions
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63
source/mijin/debug/stacktrace.hpp
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@ -5,6 +5,7 @@
#define MIJIN_DEBUG_STACKTRACE_HPP_INCLUDED 1
#include <cmath>
#include <format>
#include <iomanip>
#include <vector>
#if __has_include(<fmt/format.h>)
@ -87,6 +88,68 @@ TStream& operator<<(TStream& stream, const Stacktrace& stacktrace)
} // namespace mijin
template<typename TChar>
struct std::formatter<mijin::Stackframe, TChar>
{
using char_t = TChar;
template<typename TContext>
constexpr TContext::iterator parse(TContext& ctx)
{
auto it = ctx.begin();
auto end = ctx.end();
if (it != end && *it != MIJIN_SMART_QUOTE(char_t, '}'))
{
throw std::format_error("invalid format");
}
return it;
}
template<typename TContext>
TContext::iterator format(const mijin::Stackframe& stackframe, TContext& ctx) const
{
auto it = ctx.out();
it = std::format_to(it, MIJIN_SMART_QUOTE(char_t, "[{}] {}:{} in {}"), stackframe.address, stackframe.filename,
stackframe.lineNumber, mijin::demangleCPPIdentifier(stackframe.function.c_str()));
return it;
}
};
template<typename TChar>
struct std::formatter<mijin::Stacktrace, TChar>
{
using char_t = TChar;
template<class TContext>
constexpr TContext::iterator parse(TContext& ctx)
{
auto it = ctx.begin();
auto end = ctx.end();
if (it != end && *it != MIJIN_SMART_QUOTE(char_t, '}'))
{
throw std::format_error("invalid format");
}
return it;
}
template<typename TContext>
TContext::iterator format(const mijin::Stacktrace& stacktrace, TContext& ctx) const
{
const int numDigits = static_cast<int>(std::ceil(std::log10(stacktrace.getFrames().size())));
auto it = ctx.out();
it = std::format_to(it, MIJIN_SMART_QUOTE(char_t, "[{} frames]"), stacktrace.getFrames().size());
for (const auto& [idx, frame] : mijin::enumerate(stacktrace.getFrames()))
{
it = std::format_to(it, MIJIN_SMART_QUOTE(char_t, "\n #{:<{}} at {}"), idx, numDigits, frame);
}
return it;
}
};
#if __has_include(<fmt/format.h>)
template<>
struct fmt::formatter<mijin::Stackframe>