mirror of
https://github.com/wiiu-env/libnotifications.git
synced 2026-05-18 18:51:31 -05:00
146 lines
7.8 KiB
C++
146 lines
7.8 KiB
C++
#ifndef NOTIFICATIONS_TYPECHECK_GCC_H
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#define NOTIFICATIONS_TYPECHECK_GCC_H
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#ifdef __cplusplus
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#include <cstddef> /* For std::nullptr_t */
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#include <type_traits>
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#else
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#include <stddef.h> /* For NULL */
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#endif
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/* =========================================================================
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* Warning generators (Common to C and C++)
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* ========================================================================= */
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#define _NM_WARNING(id, message) \
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static void __attribute__((__warning__(message))) \
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__attribute__((__unused__)) __attribute__((__noinline__)) \
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id(void) { __asm__(""); }
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#ifdef __cplusplus
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extern "C" {
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#endif
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_NM_WARNING(_nm_warn_NMColor, "NotificationModule_SetDefaultValue expects 'NMColor' for this option.")
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_NM_WARNING(_nm_warn_float, "NotificationModule_SetDefaultValue expects 'float' or 'double' for this option.")
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_NM_WARNING(_nm_warn_callback, "NotificationModule_SetDefaultValue expects 'NotificationModuleNotificationFinishedCallback' for this option.")
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_NM_WARNING(_nm_warn_context, "NotificationModule_SetDefaultValue expects 'void*' for this option.")
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_NM_WARNING(_nm_warn_bool, "NotificationModule_SetDefaultValue expects 'bool' (or 'int') for this option.")
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#ifdef __cplusplus
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}
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#endif
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/* =========================================================================
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* IMPLEMENTATION SELECTION
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* ========================================================================= */
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#if defined(__cplusplus)
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/* ---------------------------------------------------------
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* C++ IMPLEMENTATION
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* --------------------------------------------------------- */
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#if __cplusplus >= 201703L
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namespace NM_Check {
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template<typename Actual>
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using Decayed = std::decay_t<Actual>;
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/* Strict matching: Must be the NMColor type or a raw integer (for hex literals) */
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template<typename Actual>
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constexpr bool is_NMColor = std::is_same_v<NMColor, Decayed<Actual>> || std::is_integral_v<Decayed<Actual>>;
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/* Strict matching: Float or Double only (Rejects implicit ints/pointers) */
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template<typename Actual>
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constexpr bool is_float = std::is_same_v<float, Decayed<Actual>> || std::is_same_v<double, Decayed<Actual>>;
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/* Strict matching: Bool or Int only (Rejects implicit pointers) */
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template<typename Actual>
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constexpr bool is_bool = std::is_same_v<bool, Decayed<Actual>> || std::is_same_v<int, Decayed<Actual>>;
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/* Strict matching: Callback type, void*, nullptr, or 0 */
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template<typename Actual>
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constexpr bool is_callback =
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std::is_same_v<NotificationModuleNotificationFinishedCallback, Decayed<Actual>> ||
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std::is_same_v<void *, Decayed<Actual>> ||
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std::is_same_v<std::nullptr_t, Decayed<Actual>> ||
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std::is_integral_v<Decayed<Actual>>;
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/* Strict matching: void*, nullptr, or 0 */
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template<typename Actual>
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constexpr bool is_context =
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std::is_same_v<void *, Decayed<Actual>> ||
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std::is_same_v<std::nullptr_t, Decayed<Actual>> ||
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std::is_integral_v<Decayed<Actual>>;
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/* Compile-time option router */
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template<int Option, typename Actual>
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inline void check_option() {
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if constexpr (Option == NOTIFICATION_MODULE_DEFAULT_OPTION_BACKGROUND_COLOR ||
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Option == NOTIFICATION_MODULE_DEFAULT_OPTION_TEXT_COLOR) {
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if constexpr (!is_NMColor<Actual>) _nm_warn_NMColor();
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} else if constexpr (Option == NOTIFICATION_MODULE_DEFAULT_OPTION_DURATION_BEFORE_FADE_OUT) {
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if constexpr (!is_float<Actual>) _nm_warn_float();
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} else if constexpr (Option == NOTIFICATION_MODULE_DEFAULT_OPTION_FINISH_FUNCTION) {
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if constexpr (!is_callback<Actual>) _nm_warn_callback();
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} else if constexpr (Option == NOTIFICATION_MODULE_DEFAULT_OPTION_FINISH_FUNCTION_CONTEXT) {
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if constexpr (!is_context<Actual>) _nm_warn_context();
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} else if constexpr (Option == NOTIFICATION_MODULE_DEFAULT_OPTION_KEEP_UNTIL_SHOWN) {
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if constexpr (!is_bool<Actual>) _nm_warn_bool();
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}
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}
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} // namespace NM_Check
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/* C++17 Macro (Uses if constexpr) */
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#define NotificationModule_SetDefaultValue(type, option, value) \
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__extension__({ \
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NM_Check::check_option<__builtin_constant_p(option) ? (option) : -1, decltype(value)>(); \
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(NotificationModule_SetDefaultValue)(type, option, value); \
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})
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#else
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/* Fallback for old C++ (Checks disabled) */
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#define NotificationModule_SetDefaultValue(type, option, value) \
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(NotificationModule_SetDefaultValue)(type, option, value)
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#endif
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#else
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/* ---------------------------------------------------------
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* C IMPLEMENTATION
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* --------------------------------------------------------- */
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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/* C11 Implementation */
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#define _nm_is_NMColor(x) _Generic((x), NMColor : 1, default : 0)
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#define _nm_is_float(x) _Generic((x), float : 1, double : 1, default : 0)
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#define _nm_is_bool(x) _Generic((x), _Bool : 1, int : 1, default : 0)
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#define _nm_is_callback(x) _Generic((x), NotificationModuleNotificationFinishedCallback : 1, void * : 1, default : 0)
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#define _nm_is_context(x) _Generic((x), void * : 1, default : 0)
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#else
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/* Legacy C Implementation */
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#define _nm_is_type(x, type) __builtin_types_compatible_p(__typeof__(x), type)
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#define _nm_is_NMColor(x) (1)
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#define _nm_is_callback(x) (1)
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#define _nm_is_context(x) (1)
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#define _nm_is_float(x) (_nm_is_type(x, float) || _nm_is_type(x, double))
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#define _nm_is_bool(x) (_nm_is_type(x, int) || _nm_is_type(x, _Bool))
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#endif /* C11 Check */
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/* Unified C Macro (C-only) */
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#define NotificationModule_SetDefaultValue(type, option, value) \
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__extension__({ \
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if (__builtin_constant_p(option)) { \
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if ((option == NOTIFICATION_MODULE_DEFAULT_OPTION_BACKGROUND_COLOR) && !_nm_is_NMColor(value)) \
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_nm_warn_NMColor(); \
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else if ((option == NOTIFICATION_MODULE_DEFAULT_OPTION_TEXT_COLOR) && !_nm_is_NMColor(value)) \
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_nm_warn_NMColor(); \
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else if ((option == NOTIFICATION_MODULE_DEFAULT_OPTION_DURATION_BEFORE_FADE_OUT) && !_nm_is_float(value)) \
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_nm_warn_float(); \
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else if ((option == NOTIFICATION_MODULE_DEFAULT_OPTION_FINISH_FUNCTION) && !_nm_is_callback(value)) \
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_nm_warn_callback(); \
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else if ((option == NOTIFICATION_MODULE_DEFAULT_OPTION_FINISH_FUNCTION_CONTEXT) && !_nm_is_context(value)) \
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_nm_warn_context(); \
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else if ((option == NOTIFICATION_MODULE_DEFAULT_OPTION_KEEP_UNTIL_SHOWN) && !_nm_is_bool(value)) \
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_nm_warn_bool(); \
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} \
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(NotificationModule_SetDefaultValue)(type, option, value); \
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})
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#endif
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#endif /* NOTIFICATIONS_TYPECHECK_GCC_H */ |