diff options
Diffstat (limited to 'src/core/hle/result.h')
| -rw-r--r-- | src/core/hle/result.h | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/src/core/hle/result.h b/src/core/hle/result.h index 43968386f..605236552 100644 --- a/src/core/hle/result.h +++ b/src/core/hle/result.h @@ -144,7 +144,7 @@ constexpr bool operator!=(const ResultCode& a, const ResultCode& b) { // Convenience functions for creating some common kinds of errors: /// The default success `ResultCode`. -constexpr ResultCode RESULT_SUCCESS(0); +constexpr ResultCode ResultSuccess(0); /** * Placeholder result code used for unknown error codes. @@ -152,7 +152,7 @@ constexpr ResultCode RESULT_SUCCESS(0); * @note This should only be used when a particular error code * is not known yet. */ -constexpr ResultCode RESULT_UNKNOWN(UINT32_MAX); +constexpr ResultCode ResultUnknown(UINT32_MAX); /** * This is an optional value type. It holds a `ResultCode` and, if that code is a success code, @@ -191,7 +191,7 @@ class ResultVal { public: /// Constructs an empty `ResultVal` with the given error code. The code must not be a success /// code. - ResultVal(ResultCode error_code = RESULT_UNKNOWN) : result_code(error_code) { + ResultVal(ResultCode error_code = ResultUnknown) : result_code(error_code) { ASSERT(error_code.IsError()); } @@ -321,7 +321,7 @@ private: */ template <typename T, typename... Args> ResultVal<T> MakeResult(Args&&... args) { - return ResultVal<T>::WithCode(RESULT_SUCCESS, std::forward<Args>(args)...); + return ResultVal<T>::WithCode(ResultSuccess, std::forward<Args>(args)...); } /** @@ -330,8 +330,7 @@ ResultVal<T> MakeResult(Args&&... args) { */ template <typename Arg> ResultVal<std::remove_reference_t<Arg>> MakeResult(Arg&& arg) { - return ResultVal<std::remove_reference_t<Arg>>::WithCode(RESULT_SUCCESS, - std::forward<Arg>(arg)); + return ResultVal<std::remove_reference_t<Arg>>::WithCode(ResultSuccess, std::forward<Arg>(arg)); } /** @@ -358,3 +357,28 @@ ResultVal<std::remove_reference_t<Arg>> MakeResult(Arg&& arg) { return CONCAT2(check_result_L, __LINE__); \ } \ } while (false) + +#define R_SUCCEEDED(res) (res.IsSuccess()) + +/// Evaluates a boolean expression, and succeeds if that expression is true. +#define R_SUCCEED_IF(expr) R_UNLESS(!(expr), ResultSuccess) + +/// Evaluates a boolean expression, and returns a result unless that expression is true. +#define R_UNLESS(expr, res) \ + { \ + if (!(expr)) { \ + if (res.IsError()) { \ + LOG_ERROR(Kernel, "Failed with result: {}", res.raw); \ + } \ + return res; \ + } \ + } + +/// Evaluates an expression that returns a result, and returns the result if it would fail. +#define R_TRY(res_expr) \ + { \ + const auto _tmp_r_try_rc = (res_expr); \ + if (_tmp_r_try_rc.IsError()) { \ + return _tmp_r_try_rc; \ + } \ + } |