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Created December 7, 2023 21:39
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TCC Preprocesssing issue
#define M_DEFERRED_COMMA ,
#define M_EAT(...)
#define M_APPLY(a, ...) a (__VA_ARGS__)
#define M_ID(...) __VA_ARGS__
#define M_C2I(a, ...) a ## __VA_ARGS__
#define M_C(a, ...) M_C2I(a, __VA_ARGS__)
#define M_C3I(a, b, ...) a ## b ## __VA_ARGS__
#define M_C3(a, b, ...) M_C3I(a ,b, __VA_ARGS__)
#define M_C4I(a, b, c, ...) a ## b ## c ## __VA_ARGS__
#define M_C4(a, b, c, ...) M_C4I(a ,b, c, __VA_ARGS__)
#define M_INVI_0 1
#define M_INVI_1 0
#define M_INV(x) M_C(M_INVI_, x)
#define M_ANDI_00 0
#define M_ANDI_01 0
#define M_ANDI_10 0
#define M_ANDI_11 1
#define M_AND(x,y) M_C3(M_ANDI_, x, y)
#define M_ANDI_000 0
#define M_ANDI_001 0
#define M_ANDI_010 0
#define M_ANDI_011 0
#define M_ANDI_100 0
#define M_ANDI_101 0
#define M_ANDI_110 0
#define M_ANDI_111 1
#define M_AND3(x,y,z) M_C4(M_ANDI_, x, y, z)
#define M_ORI_00 0
#define M_ORI_01 1
#define M_ORI_10 1
#define M_ORI_11 1
#define M_OR(x,y) M_C3(M_ORI_, x, y)
#define M_ORI_000 0
#define M_ORI_001 1
#define M_ORI_010 1
#define M_ORI_011 1
#define M_ORI_100 1
#define M_ORI_101 1
#define M_ORI_110 1
#define M_ORI_111 1
#define M_OR3(x,y,z) M_C4(M_ORI_, x, y, z)
#define M_RETI_ARG2(_1, _2, ...) _2
#define M_RET_ARG2(...) M_RETI_ARG2(__VA_ARGS__,)
#define M_RETI_ARG4(_1, _2, _3, _4, ...) _4
#define M_RET_ARG4(...) M_RETI_ARG4(__VA_ARGS__,)
#define M_TOBOOLI_0 1, 0,
#define M_BOOL(x) M_RET_ARG2(M_C(M_TOBOOLI_, x), 1, useless)
#define M_IFI_0(true_c, ...) __VA_ARGS__
#define M_IFI_1(true_c, ...) true_c
#define M_IF(c) M_C(M_IFI_, M_BOOL(c))
#define M_NARGS(...) M_RET_ARG4(__VA_ARGS__, 3, 2, 1, useless)
#define M_MAP(...) M_MAP_0(__VA_ARGS__)
#define M_MAP_0(f, ...) M_C(M_MAP_, M_NARGS(__VA_ARGS__))(f, __VA_ARGS__)
#define M_MAP_1(f, _1) f(_1)
#define M_MAP_2(f, _1, _2) f(_1) f(_2)
#define M_MAP_3(f, _1, _2, _3) f(_1) f(_2) f(_3)
#define M_MAP2(...) M_MAP2I_0(__VA_ARGS__)
#define M_MAP2I_0(f, d, ...) M_C(M_MAP2I_, M_NARGS(__VA_ARGS__))(f, d, __VA_ARGS__)
#define M_MAP2I_1(f, d, _1) f(d, _1)
#define M_MAP2I_2(f, d, _1, _2) f(d, _1) f(d, _2)
#define M_MAP2I_3(f, d, _1, _2, _3) f(d, _1) f(d, _2) f(d, _3)
#define M_CROSS_MAP(f, alist, blist) M_CROSSI_MAP1(f, alist, blist)
#define M_CROSSI_MAP1(f, alist, blist) M_C(M_CROSSI_MAP1_, M_NARGS alist)(f, blist, M_ID alist)
#define M_CROSSI_MAP1_1(...) M_CROSSI_MAP1_1b(__VA_ARGS__)
#define M_CROSSI_MAP1_1b(f, blist, a1) M_MAP2(f, a1, M_ID blist)
#define M_CROSSI_MAP1_2(...) M_CROSSI_MAP1_2b(__VA_ARGS__)
#define M_CROSSI_MAP1_2b(f, blist, a1, a2) M_MAP2(f, a1, M_ID blist) M_MAP2(f, a2, M_ID blist)
#define M_CROSSI_MAP1_3(...) M_CROSSI_MAP1_3b(__VA_ARGS__)
#define M_CROSSI_MAP1_3b(f, blist, a1, a2, a3) M_MAP2(f, a1, M_ID blist) M_MAP2(f, a2, M_ID blist) M_MAP2(f, a3, M_ID blist)
#define M_COMMA_P(...) M_RETI_ARG4(__VA_ARGS__, 1, 1, 0, useless)
#define M_PARENTHESISI_DETECT1(...) ,
#define M_PARENTHESIS_P(...) \
M_AND3(M_COMMA_P(M_PARENTHESISI_DETECT1 __VA_ARGS__), \
M_INV(M_COMMA_P(__VA_ARGS__)), \
M_EMPTY_P(M_EAT __VA_ARGS__))
#define M_EMPTYI_DETECT(...) ,
#define M_EMPTYI_P_C1(...) M_COMMA_P(M_EMPTYI_DETECT __VA_ARGS__ () )
#define M_EMPTYI_P_C2(...) M_COMMA_P(M_EMPTYI_DETECT __VA_ARGS__)
#define M_EMPTYI_P_C3(...) M_COMMA_P(__VA_ARGS__ () )
#define M_EMPTY_P(...) M_AND(M_EMPTYI_P_C1(__VA_ARGS__), M_INV(M_OR3(M_EMPTYI_P_C2(__VA_ARGS__), M_COMMA_P(__VA_ARGS__),M_EMPTYI_P_C3(__VA_ARGS__))))
#define M_G3N_IS_PRESENT(num) \
M_IF(M_PARENTHESIS_P(M_C(M_GENERIC_ORG_, num)() ))(M_DEFERRED_COMMA M_ID M_C(M_GENERIC_ORG_, num)(), )
#define M_G3N_IS_PRESENT2(el1, num) \
M_IF(M_PARENTHESIS_P(M_C4(M_GENERIC_ORG_, el1, _COMP_, num)()))(M_DEFERRED_COMMA M_APPLY(M_C3, el1, _COMP_, M_ID M_C4(M_GENERIC_ORG_, el1, _COMP_, num)()), )
#define FLT1 (GENTYPE(float), TYPE(float) )
#define M_GENERIC_ORG_2() (USER)
#define M_GENERIC_ORG_USER_COMP_1() (CORE)
#define M_GENERIC_ORG_USER_COMP_CORE_OPLIST_6() FLT1
// Shall expand to ", USER"
M_MAP(M_G3N_IS_PRESENT, 1, 2, 3)
// Shall expand to ", USER_COMP_CORE"
M_CROSS_MAP(M_G3N_IS_PRESENT2, (MLIB , USER), ( 1, 2, 3 ) )
// Shall expand to ", USER_COMP_CORE" (composition of both) [fail]
M_CROSS_MAP(M_G3N_IS_PRESENT2, (MLIB M_MAP(M_G3N_IS_PRESENT, 1, 2, 3)), ( 1, 2, 3 ) )
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