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annotate test/common/ordered-sig.lua @ 517:f8856e29b512

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- tests: made "ordered" signature generation code shareable, and added possibility to specify return types, separately (mainly to include 'void')
author Tassilo Philipp
date Mon, 11 Apr 2022 14:50:35 +0200
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f8856e29b512 - tests: made "ordered" signature generation code shareable, and added possibility to specify return types, separately (mainly to include 'void')
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1 -- !does not generates sigs with aggregates!
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2
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3 -- following knobs control generation:
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4
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5 -- required to be defined by who is using this:
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6 -- ncases
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7 -- types
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8
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9 -- optional:
f8856e29b512 - tests: made "ordered" signature generation code shareable, and added possibility to specify return types, separately (mainly to include 'void')
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10 -- rtypes (if not set, it'll be 'v'..types)
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13 --------------------------------
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15 if rtypes == nil then
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16 rtypes = "v"..types
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17 end
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19 local i
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20 for i = 0, ncases-1 do
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21 local s = ""
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22 local typeindex
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23 local ntypes = #types
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24 local nrtypes = #rtypes
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25 local x = offset+i*step
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26 if x >= nrtypes then
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27 local y = math.floor(x / nrtypes) - 1
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28 while y >= ntypes do
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29 typeindex = 1 + (y % ntypes)
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30 s = s .. string.sub(types, typeindex, typeindex)
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31 y = math.floor(y / ntypes) - 1
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32 end
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33 typeindex = 1 + (y % ntypes)
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34 s = s .. string.sub(types, typeindex, typeindex)
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35 end
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36 typeindex = 1 + (x % nrtypes)
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37 io.write(s .. ")" .. string.sub(rtypes, typeindex, typeindex) .. "\n")
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38 end
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39