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annotate test/callback_suite/make-signatures.lua @ 0:3e629dc19168

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initial from svn dyncall-1745
author Daniel Adler
date Thu, 19 Mar 2015 22:24:28 +0100
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children 45ac093ca822
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1 require "config"
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2 require "math"
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3 require "string"
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4
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5 local nargtypes = string.len(argtypes)
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6 local nrettypes = string.len(rettypes)
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7 local argrange = maxargs - minargs
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8 math.randomseed(seed)
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9
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10 function randomSignatures(nsigs)
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11 local i
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12 for i = 1, nsigs do
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13 local nargs = minargs + math.random(argrange+1) - 1
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14 local signature = ""
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15 for j = 1, nargs do
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16 local typeindex = math.random(nargtypes)
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17 signature = signature .. string.sub(argtypes, typeindex, typeindex)
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18 end
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19 local rtypeindex = math.random(nrettypes)
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20 signature = signature .. ")" .. string.sub(rettypes, rtypeindex, rtypeindex)
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21 io.write(signature .. "\n")
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22 end
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23 end
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24
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25 function orderedSignature(x)
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26 local signature = ""
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27 local typeindex
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28 while true do
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29 if x < nargtypes then break end
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30 typeindex = 1 + math.mod(x, nargtypes)
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31 signature = signature .. string.sub(argtypes, typeindex, typeindex)
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32 x = math.floor( x / nargtypes )
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33 end
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34 typeindex = 1 + x
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35 signature = signature .. ")" .. string.sub(argtypes, typeindex, typeindex)
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36 return signature
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37 end
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38
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39 function orderedSignatures(nsigs)
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40 local i
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41 for i = 1, nsigs do
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42 io.write( orderedSignature(offset+i*step) .. "\n" )
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43 end
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44 end
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45
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46 function designedSignatures()
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47 for line in io.lines(designfile) do
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48 io.write( line )
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49 io.write( "\n" )
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50 end
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51 end
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52
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53 if mode == "random" then
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54 randomSignatures(nsigs)
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55 elseif mode == "ordered" then
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56 orderedSignatures(nsigs)
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57 elseif mode == "designed" then
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58 designedSignatures()
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59 else
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60 error("'mode' must be 'random' or 'ordered'")
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61 end
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62
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63 io.flush()
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64