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Apply REPEAT, RREPEAT, and loop macros (#16757)

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This commit is contained in:
Scott Lahteine
2020-02-01 21:00:53 -06:00
committed by GitHub
parent 0e72c315a0
commit 4716dac874
10 changed files with 82 additions and 221 deletions
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18
Marlin/src/core/macros.h
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@ -457,3 +457,21 @@
// Repeat a macro passing 0...N-1 plus additional arguments.
#define REPEAT2_S(S,N,OP,V...) EVAL(_REPEAT2(S,SUB##S(N),OP,V))
#define REPEAT2(N,OP,V...) REPEAT2_S(0,N,OP,V)
// Use RREPEAT macros with REPEAT macros for nesting
#define _RREPEAT(_RPT_I,_RPT_N,_RPT_OP) \
_RPT_OP(_RPT_I) \
IF_ELSE(SUB1(_RPT_N)) \
( DEFER2(__RREPEAT)()(ADD1(_RPT_I),SUB1(_RPT_N),_RPT_OP) ) \
( /* Do nothing */ )
#define __RREPEAT() _RREPEAT
#define _RREPEAT2(_RPT_I,_RPT_N,_RPT_OP,V...) \
_RPT_OP(_RPT_I,V) \
IF_ELSE(SUB1(_RPT_N)) \
( DEFER2(__RREPEAT2)()(ADD1(_RPT_I),SUB1(_RPT_N),_RPT_OP,V) ) \
( /* Do nothing */ )
#define __RREPEAT2() _RREPEAT2
#define RREPEAT_S(S,N,OP) EVAL(_RREPEAT(S,SUB##S(N),OP))
#define RREPEAT(N,OP) RREPEAT_S(0,N,OP)
#define RREPEAT2_S(S,N,OP,V...) EVAL(_RREPEAT2(S,SUB##S(N),OP,V))
#define RREPEAT2(N,OP,V...) RREPEAT2_S(0,N,OP,V)