diff options
Diffstat (limited to 'src/common/common_funcs.h')
| -rw-r--r-- | src/common/common_funcs.h | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h index 367b6bf6e..4ace2cd33 100644 --- a/src/common/common_funcs.h +++ b/src/common/common_funcs.h @@ -24,10 +24,10 @@ #define INSERT_PADDING_WORDS(num_words) \ std::array<u32, num_words> CONCAT2(pad, __LINE__) {} -/// These are similar to the INSERT_PADDING_* macros, but are needed for padding unions. This is -/// because unions can only be initialized by one member. -#define INSERT_UNION_PADDING_BYTES(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__) -#define INSERT_UNION_PADDING_WORDS(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__) +/// These are similar to the INSERT_PADDING_* macros but do not zero-initialize the contents. +/// This keeps the structure trivial to construct. +#define INSERT_PADDING_BYTES_NOINIT(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__) +#define INSERT_PADDING_WORDS_NOINIT(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__) #ifndef _MSC_VER @@ -52,9 +52,13 @@ __declspec(dllimport) void __stdcall DebugBreak(void); // Generic function to get last error message. // Call directly after the command or use the error num. // This function might change the error code. -// Defined in Misc.cpp. +// Defined in misc.cpp. [[nodiscard]] std::string GetLastErrorMsg(); +// Like GetLastErrorMsg(), but passing an explicit error code. +// Defined in misc.cpp. +[[nodiscard]] std::string NativeErrorToString(int e); + #define DECLARE_ENUM_FLAG_OPERATORS(type) \ [[nodiscard]] constexpr type operator|(type a, type b) noexcept { \ using T = std::underlying_type_t<type>; \ @@ -93,6 +97,31 @@ __declspec(dllimport) void __stdcall DebugBreak(void); return static_cast<T>(key) == 0; \ } +/// 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; \ + } \ + } + +#define R_SUCCEEDED(res) (res.IsSuccess()) + +/// 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; \ + } \ + } + +/// Evaluates a boolean expression, and succeeds if that expression is true. +#define R_SUCCEED_IF(expr) R_UNLESS(!(expr), RESULT_SUCCESS) + namespace Common { [[nodiscard]] constexpr u32 MakeMagic(char a, char b, char c, char d) { |