124 lines
3.1 KiB
C++
Vendored
124 lines
3.1 KiB
C++
Vendored
// https://github.com/kunitoki/LuaBridge3
|
|
// Copyright 2021, kunitoki
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
#pragma once
|
|
|
|
#include "Config.h"
|
|
|
|
#include <system_error>
|
|
|
|
namespace luabridge {
|
|
|
|
//=================================================================================================
|
|
namespace detail {
|
|
|
|
static inline constexpr char error_lua_stack_overflow[] = "stack overflow";
|
|
|
|
} // namespace detail
|
|
|
|
//=================================================================================================
|
|
/**
|
|
* @brief LuaBridge error codes.
|
|
*/
|
|
enum class ErrorCode
|
|
{
|
|
ClassNotRegistered = 1,
|
|
|
|
LuaStackOverflow,
|
|
|
|
LuaFunctionCallFailed,
|
|
|
|
IntegerDoesntFitIntoLuaInteger,
|
|
|
|
FloatingPointDoesntFitIntoLuaNumber,
|
|
|
|
InvalidTypeCast,
|
|
|
|
InvalidTableSizeInCast,
|
|
|
|
CoroutineYieldFromNonCoroutine,
|
|
|
|
CoroutineAlreadyDone
|
|
};
|
|
|
|
//=================================================================================================
|
|
namespace detail {
|
|
struct ErrorCategory : std::error_category
|
|
{
|
|
const char* name() const noexcept override
|
|
{
|
|
return "luabridge";
|
|
}
|
|
|
|
std::string message(int ev) const override
|
|
{
|
|
return errorString(ev);
|
|
}
|
|
|
|
static const char* errorString(int ev) noexcept
|
|
{
|
|
switch (static_cast<ErrorCode>(ev))
|
|
{
|
|
case ErrorCode::ClassNotRegistered:
|
|
return "The class is not registered in LuaBridge";
|
|
|
|
case ErrorCode::LuaStackOverflow:
|
|
return "The lua stack has overflow";
|
|
|
|
case ErrorCode::LuaFunctionCallFailed:
|
|
return "The lua function invocation raised an error";
|
|
|
|
case ErrorCode::IntegerDoesntFitIntoLuaInteger:
|
|
return "The native integer can't fit inside a lua integer";
|
|
|
|
case ErrorCode::FloatingPointDoesntFitIntoLuaNumber:
|
|
return "The native floating point can't fit inside a lua number";
|
|
|
|
case ErrorCode::InvalidTypeCast:
|
|
return "The lua object can't be cast to desired type";
|
|
|
|
case ErrorCode::InvalidTableSizeInCast:
|
|
return "The lua table has different size than expected";
|
|
|
|
case ErrorCode::CoroutineYieldFromNonCoroutine:
|
|
return "Cannot yield from a non-coroutine Lua state";
|
|
|
|
case ErrorCode::CoroutineAlreadyDone:
|
|
return "The Lua coroutine has already finished execution";
|
|
|
|
default:
|
|
return "Unknown error";
|
|
}
|
|
}
|
|
|
|
static const ErrorCategory& getInstance() noexcept
|
|
{
|
|
static ErrorCategory category;
|
|
return category;
|
|
}
|
|
};
|
|
} // namespace detail
|
|
|
|
//=================================================================================================
|
|
/**
|
|
* @brief Construct an error code from the error enum.
|
|
*/
|
|
inline std::error_code makeErrorCode(ErrorCode e)
|
|
{
|
|
return { static_cast<int>(e), detail::ErrorCategory::getInstance() };
|
|
}
|
|
|
|
/**
|
|
* @brief Supports std::error_code construction.
|
|
*/
|
|
inline std::error_code make_error_code(ErrorCode e)
|
|
{
|
|
return { static_cast<int>(e), detail::ErrorCategory::getInstance() };
|
|
}
|
|
} // namespace luabridge
|
|
|
|
namespace std {
|
|
template <> struct is_error_code_enum<luabridge::ErrorCode> : true_type {};
|
|
} // namespace std
|