53 lines
2.8 KiB
C++
53 lines
2.8 KiB
C++
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#pragma once
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namespace {
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// FOR_EACH macros up to 16 arguments:
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#define FOR_EACH_1(M, x1) M(x1)
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#define FOR_EACH_2(M, x1, x2) M(x1) M(x2)
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#define FOR_EACH_3(M, x1, x2, x3) M(x1) M(x2) M(x3)
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#define FOR_EACH_4(M, x1, x2, x3, x4) M(x1) M(x2) M(x3) M(x4)
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#define FOR_EACH_5(M, x1, x2, x3, x4, x5) M(x1) M(x2) M(x3) M(x4) M(x5)
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#define FOR_EACH_6(M, x1, x2, x3, x4, x5, x6) M(x1) M(x2) M(x3) M(x4) M(x5) M(x6)
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#define FOR_EACH_7(M, x1, x2, x3, x4, x5, x6, x7) M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7)
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#define FOR_EACH_8(M, x1, x2, x3, x4, x5, x6, x7, x8) M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8)
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#define FOR_EACH_9(M, x1, x2, x3, x4, x5, x6, x7, x8, x9) M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9)
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#define FOR_EACH_10(M, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10) \
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M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9) M(x10)
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#define FOR_EACH_11(M, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11) \
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M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9) M(x10) M(x11)
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#define FOR_EACH_12(M, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12) \
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M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9) M(x10) M(x11) M(x12)
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#define FOR_EACH_13(M, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13) \
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M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9) M(x10) M(x11) M(x12) M(x13)
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#define FOR_EACH_14(M, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14) \
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M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9) M(x10) M(x11) M(x12) M(x13) M(x14)
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#define FOR_EACH_15(M, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15) \
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M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9) M(x10) M(x11) M(x12) M(x13) M(x14) M(x15)
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#define FOR_EACH_16(M, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16) \
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M(x1) M(x2) M(x3) M(x4) M(x5) M(x6) M(x7) M(x8) M(x9) M(x10) M(x11) M(x12) M(x13) M(x14) M(x15) M(x16)
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#define GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, NAME, ...) NAME
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#define EXPAND(x) x
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#define FOR_EACH(M, ...) \
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EXPAND(GET_MACRO(__VA_ARGS__, \
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FOR_EACH_16, \
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FOR_EACH_15, \
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FOR_EACH_14, \
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FOR_EACH_13, \
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FOR_EACH_12, \
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FOR_EACH_11, \
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FOR_EACH_10, \
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FOR_EACH_9, \
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FOR_EACH_8, \
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FOR_EACH_7, \
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FOR_EACH_6, \
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FOR_EACH_5, \
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FOR_EACH_4, \
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FOR_EACH_3, \
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FOR_EACH_2, \
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FOR_EACH_1)(M, __VA_ARGS__))
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} // namespace
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