More macros

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Alex Voinea 2020-09-11 18:48:44 +03:00
parent c3abd4ffe6
commit 44b1b1c219
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2 changed files with 56 additions and 1 deletions

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@ -379,7 +379,7 @@ const unsigned int dropsegments=5; //everything with less than this number of st
/**
* Include capabilities in M115 output
*/
// #define EXTENDED_CAPABILITIES_REPORT
#define EXTENDED_CAPABILITIES_REPORT
//===========================================================================
//============================= Define Defines ============================

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@ -32,4 +32,59 @@
#define TBI(N,B) (N ^= _BV(B))
// Macros to chain up to 12 conditions
#define _DO_1(W,C,A) (_##W##_1(A))
#define _DO_2(W,C,A,B) (_##W##_1(A) C _##W##_1(B))
#define _DO_3(W,C,A,V...) (_##W##_1(A) C _DO_2(W,C,V))
#define _DO_4(W,C,A,V...) (_##W##_1(A) C _DO_3(W,C,V))
#define _DO_5(W,C,A,V...) (_##W##_1(A) C _DO_4(W,C,V))
#define _DO_6(W,C,A,V...) (_##W##_1(A) C _DO_5(W,C,V))
#define _DO_7(W,C,A,V...) (_##W##_1(A) C _DO_6(W,C,V))
#define _DO_8(W,C,A,V...) (_##W##_1(A) C _DO_7(W,C,V))
#define _DO_9(W,C,A,V...) (_##W##_1(A) C _DO_8(W,C,V))
#define _DO_10(W,C,A,V...) (_##W##_1(A) C _DO_9(W,C,V))
#define _DO_11(W,C,A,V...) (_##W##_1(A) C _DO_10(W,C,V))
#define _DO_12(W,C,A,V...) (_##W##_1(A) C _DO_11(W,C,V))
#define __DO_N(W,C,N,V...) _DO_##N(W,C,V)
#define _DO_N(W,C,N,V...) __DO_N(W,C,N,V)
#define DO(W,C,V...) _DO_N(W,C,NUM_ARGS(V),V)
// Macros to support option testing
#define _CAT(a,V...) a##V
#define CAT(a,V...) _CAT(a,V)
#define _ISENA_ ~,1
#define _ISENA_1 ~,1
#define _ISENA_0x1 ~,1
#define _ISENA_true ~,1
#define _ISENA(V...) IS_PROBE(V)
#define _ENA_1(O) _ISENA(CAT(_IS,CAT(ENA_, O)))
#define _DIS_1(O) NOT(_ENA_1(O))
#define ENABLED(V...) DO(ENA,&&,V)
#define DISABLED(V...) DO(DIS,&&,V)
#define TERN(O,A,B) _TERN(_ENA_1(O),B,A) // OPTION converted to '0' or '1'
#define TERN0(O,A) _TERN(_ENA_1(O),0,A) // OPTION converted to A or '0'
#define TERN1(O,A) _TERN(_ENA_1(O),1,A) // OPTION converted to A or '1'
#define TERN_(O,A) _TERN(_ENA_1(O),,A) // OPTION converted to A or '<nul>'
#define _TERN(E,V...) __TERN(_CAT(T_,E),V) // Prepend 'T_' to get 'T_0' or 'T_1'
#define __TERN(T,V...) ___TERN(_CAT(_NO,T),V) // Prepend '_NO' to get '_NOT_0' or '_NOT_1'
#define ___TERN(P,V...) THIRD(P,V) // If first argument has a comma, A. Else B.
// Use NUM_ARGS(__VA_ARGS__) to get the number of variadic arguments
#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)
//
// Primitives supporting precompiler REPEAT
//
#define FIRST(a,...) a
#define SECOND(a,b,...) b
#define THIRD(a,b,c,...) c
#define IS_PROBE(V...) SECOND(V, 0) // Get the second item passed, or 0
#define NOT(x) IS_PROBE(_CAT(_NOT_, x)) // NOT('0') gets '1'. Anything else gets '0'.
#endif //MACROS_H