mirror of
https://github.com/zeldaret/ss
synced 2026-05-23 15:01:38 -04:00
robojumper
112 lines
3.0 KiB
C
112 lines
3.0 KiB
C
#ifndef DECOMP_H
|
|
#define DECOMP_H
|
|
|
|
/*******************************************************************************
|
|
* headers
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
* Macro helpers
|
|
*/
|
|
|
|
#define DF_CONCAT3_(a, b, c) a ## b ## c
|
|
#define DF_CONCAT3(a, b, c) DF_CONCAT3_(a, b, c)
|
|
|
|
#define DF_UNIQUE_IDENT(ident_) DF_CONCAT3(ident_, _, __LINE__)
|
|
|
|
#define DF_TYPEOF typeof
|
|
|
|
#define DF_SWALLOW_SEMICOLON() static_assert(1, "")
|
|
|
|
#if defined(__clang__)
|
|
|
|
# define DF_SUPPRESS_WARNINGS() \
|
|
_Pragma("clang diagnostic push") \
|
|
_Pragma("clang diagnostic ignored \"-Wnull-dereference\"")
|
|
# define DF_UNSUPPRESS_WARNINGS() \
|
|
_Pragma("clang diagnostic pop")
|
|
|
|
#elif defined(__MWERKS__)
|
|
|
|
# pragma section RX ".decomp"
|
|
|
|
# define DF_SUPPRESS_WARNINGS() __attribute__((section(".decomp")))
|
|
# define DF_UNSUPPRESS_WARNINGS()
|
|
|
|
#else
|
|
|
|
# define DF_SUPPRESS_WARNINGS()
|
|
# define DF_UNSUPPRESS_WARNINGS()
|
|
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
* DECOMP_FORCE macro internals
|
|
*/
|
|
|
|
#define DF_FUNCTION_DECLARATOR_WITH_PROTO(ident_) \
|
|
extern void (ident_)(void); \
|
|
extern void (ident_)(void)
|
|
|
|
// this is done to prevent default promotion of arguments to variadic functions
|
|
#define DF_FUNCTION_CALL(ident_, arg_) \
|
|
extern void (ident_)(DF_TYPEOF(arg_)); \
|
|
(ident_)(arg_)
|
|
|
|
/*******************************************************************************
|
|
* DECOMP_FORCE macros
|
|
*/
|
|
|
|
/* Forcefully generate orphaned data, early references, or other shenanigans.
|
|
* Only works at file or namespace scope.
|
|
*
|
|
* Examples:
|
|
* DECOMP_FORCE(1.0f);
|
|
* DECOMP_FORCE("I am a string");
|
|
* DECOMP_FORCE(UI2D_CONSTANT);
|
|
*/
|
|
|
|
#define DECOMP_FORCE(arg_) \
|
|
DF_SUPPRESS_WARNINGS() \
|
|
DF_FUNCTION_DECLARATOR_WITH_PROTO(DF_UNIQUE_IDENT(DECOMP_FORCE)) \
|
|
{ \
|
|
DF_FUNCTION_CALL(DF_UNIQUE_IDENT(DECOMP_FORCE_CALL), arg_); \
|
|
} \
|
|
DF_UNSUPPRESS_WARNINGS() \
|
|
DF_SWALLOW_SEMICOLON()
|
|
|
|
/* Forcefully instantiate a class's method. For method_, write it as you would
|
|
* an actual function call.
|
|
* Only works at file or namespace scope.
|
|
*
|
|
* If class_ uses commas outside of nested parentheses, you must enclose the
|
|
* entire argument in DF_TYPEOF(). If method_ uses commas outside of nested
|
|
* parentheses, they are handled via __VA_ARGS__.
|
|
*
|
|
* Examples:
|
|
* DECOMP_FORCE_CLASS_METHOD(Class1, ~Class1());
|
|
* DECOMP_FORCE_CLASS_METHOD(DF_TYPEOF(Class2<int, 1>), func<long, int>(2, 3));
|
|
* DECOMP_FORCE_CLASS_METHOD(Class3, operator ,(4));
|
|
*/
|
|
|
|
#if defined(__cplusplus)
|
|
# define DECOMP_FORCE_CLASS_METHOD(class_, ...) \
|
|
DECOMP_FORCE(((void)(static_cast<DF_TYPEOF(class_) *>(0)->__VA_ARGS__), 0))
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
* DECOMP_FORCE helpers
|
|
*/
|
|
|
|
// Conversion constants from integer to floating-point
|
|
|
|
extern signed int DECOMP_SI;
|
|
extern unsigned int DECOMP_UI;
|
|
|
|
#define SI2D_CONSTANT ((float)(DECOMP_SI))
|
|
#define UI2D_CONSTANT ((float)(DECOMP_UI))
|
|
|
|
// clang-format on
|
|
|
|
#endif // DECOMP_H
|