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Shorthand for __VA_ARGS__

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This commit is contained in:
Scott Lahteine
2019-09-27 04:30:48 -05:00
parent a18d16fb8b
commit dc65788511
4 changed files with 39 additions and 39 deletions
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48
Marlin/src/core/macros.h
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@ -295,8 +295,8 @@ typedef float feedRate_t;
#endif
// Use NUM_ARGS(__VA_ARGS__) to get the number of variadic arguments
#define _NUM_ARGS(_0,_24_,_23,_22,_21,_20,_19,_18,_17,_16,_15,_14,_13,_12,_11,_10,_9,_8,_7,_6,_5,_4,_3,_2,_1,N,...) N
#define NUM_ARGS(V...) _NUM_ARGS(0,V,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
#define _NUM_ARGS(_,Z,Y,X,W,V,U,T,S,R,Q,P,O,N,M,L,K,J,I,H,G,F,E,D,C,B,A,OUT,...) OUT
#define NUM_ARGS(V...) _NUM_ARGS(0,V,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
#ifdef __cplusplus
@ -322,29 +322,29 @@ typedef float feedRate_t;
#else
#define MIN_2(a,b) ((a)<(b)?(a):(b))
#define MIN_3(a,...) MIN_2(a,MIN_2(__VA_ARGS__))
#define MIN_4(a,...) MIN_2(a,MIN_3(__VA_ARGS__))
#define MIN_5(a,...) MIN_2(a,MIN_4(__VA_ARGS__))
#define MIN_6(a,...) MIN_2(a,MIN_5(__VA_ARGS__))
#define MIN_7(a,...) MIN_2(a,MIN_6(__VA_ARGS__))
#define MIN_8(a,...) MIN_2(a,MIN_7(__VA_ARGS__))
#define MIN_9(a,...) MIN_2(a,MIN_8(__VA_ARGS__))
#define MIN_10(a,...) MIN_2(a,MIN_9(__VA_ARGS__))
#define __MIN_N(N, ...) MIN_##N(__VA_ARGS__)
#define _MIN_N(N, ...) __MIN_N(N,__VA_ARGS__)
#define _MIN(...) _MIN_N(NUM_ARGS(__VA_ARGS__), __VA_ARGS__)
#define MIN_3(a,V...) MIN_2(a,MIN_2(V))
#define MIN_4(a,V...) MIN_2(a,MIN_3(V))
#define MIN_5(a,V...) MIN_2(a,MIN_4(V))
#define MIN_6(a,V...) MIN_2(a,MIN_5(V))
#define MIN_7(a,V...) MIN_2(a,MIN_6(V))
#define MIN_8(a,V...) MIN_2(a,MIN_7(V))
#define MIN_9(a,V...) MIN_2(a,MIN_8(V))
#define MIN_10(a,V...) MIN_2(a,MIN_9(V))
#define __MIN_N(N,V...) MIN_##N(V)
#define _MIN_N(N,V...) __MIN_N(N,V)
#define _MIN(V...) _MIN_N(NUM_ARGS(V), V)
#define MAX_2(a,b) ((a)>(b)?(a):(b))
#define MAX_3(a,...) MAX_2(a,MAX_2(__VA_ARGS__))
#define MAX_4(a,...) MAX_2(a,MAX_3(__VA_ARGS__))
#define MAX_5(a,...) MAX_2(a,MAX_4(__VA_ARGS__))
#define MAX_6(a,...) MAX_2(a,MAX_5(__VA_ARGS__))
#define MAX_7(a,...) MAX_2(a,MAX_6(__VA_ARGS__))
#define MAX_8(a,...) MAX_2(a,MAX_7(__VA_ARGS__))
#define MAX_9(a,...) MAX_2(a,MAX_8(__VA_ARGS__))
#define MAX_10(a,...) MAX_2(a,MAX_9(__VA_ARGS__))
#define __MAX_N(N, ...) MAX_##N(__VA_ARGS__)
#define _MAX_N(N, ...) __MAX_N(N,__VA_ARGS__)
#define _MAX(...) _MAX_N(NUM_ARGS(__VA_ARGS__), __VA_ARGS__)
#define MAX_3(a,V...) MAX_2(a,MAX_2(V))
#define MAX_4(a,V...) MAX_2(a,MAX_3(V))
#define MAX_5(a,V...) MAX_2(a,MAX_4(V))
#define MAX_6(a,V...) MAX_2(a,MAX_5(V))
#define MAX_7(a,V...) MAX_2(a,MAX_6(V))
#define MAX_8(a,V...) MAX_2(a,MAX_7(V))
#define MAX_9(a,V...) MAX_2(a,MAX_8(V))
#define MAX_10(a,V...) MAX_2(a,MAX_9(V))
#define __MAX_N(N,V...) MAX_##N(V)
#define _MAX_N(N,V...) __MAX_N(N,V)
#define _MAX(V...) _MAX_N(NUM_ARGS(V), V)
#endif

2
Marlin/src/core/utility.h
View File

@ -59,7 +59,7 @@ public:
inline void restore() { ref_ = val_; }
};
#define REMEMBER(N,X, ...) const restorer<typeof(X)> restorer_##N(X, ##__VA_ARGS__)
#define REMEMBER(N,X,V...) const restorer<typeof(X)> restorer_##N(X, ##V)
#define RESTORE(N) restorer_##N.restore()
// Converts from an uint8_t in the range of 0-255 to an uint8_t