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More useful ENABLED / DISABLED macros (#17054)

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This commit is contained in:
Scott Lahteine
2020-03-07 22:20:41 -06:00
committed by GitHub
parent 5eb6fb1c2f
commit 64d092935b
26 changed files with 636 additions and 766 deletions
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28
Marlin/src/core/macros.h
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@@ -177,18 +177,23 @@
// Macros to support option testing
#define _CAT(a,V...) a##V
#define CAT(a,V...) _CAT(a,V)
#define SWITCH_ENABLED_false 0
#define SWITCH_ENABLED_true 1
#define SWITCH_ENABLED_0 0
#define SWITCH_ENABLED_1 1
#define SWITCH_ENABLED_0x0 0
#define SWITCH_ENABLED_0x1 1
#define SWITCH_ENABLED_ 1
#define _ENA_1(O) _CAT(SWITCH_ENABLED_, O)
#define _DIS_1(O) !_ENA_1(O)
#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 to '0' or '1'
#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.
#define ANY(V...) !DISABLED(V)
#define NONE(V...) DISABLED(V)
#define ALL(V...) ENABLED(V)
@@ -390,8 +395,9 @@
//
// Primitives supporting precompiler REPEAT
//
#define FIRST(a,...) a
#define SECOND(a,b,...) b
#define FIRST(a,...) a
#define SECOND(a,b,...) b
#define THIRD(a,b,c,...) c
// Defer expansion
#define EMPTY()