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Additional TERN macros

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This commit is contained in:
Scott Lahteine 2020-03-31 12:50:30 -05:00
parent 96ab16a9dd
commit 528907cb16
1 changed files with 3 additions and 0 deletions
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Marlin/src/core/macros.h
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@ -194,6 +194,9 @@
#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.