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505
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1 require "config"
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2
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3 function trim(l) return l:gsub("^%s+",""):gsub("%s+$","") end
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4 function mkcase(id,sig)
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5 local nargs = string.len(sig) - 2 -- @@@STRUCT wrong, b/c ignores callconv prefixes
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6 local rtype = string.sub(sig, nargs + 2, nargs + 2)
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7 local s = "F" .. nargs .. "(f" .. id .. "," .. rtype
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8 for i = 1, nargs do
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9 local type = string.sub(sig, i, i)
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10 s = s .. "," .. type
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11 end
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12 s = s .. ")\n"
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13 return s
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14 end
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15
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16 -- @@@STRUCT same as in call_suite{,_aggrs}, share?
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17 function mkfuntab(n)
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18 local s = { "funptr G_funtab[] = {\n"}
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19 for i = 0, n-1 do
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20 s[#s+1] = "\t&f"..i..",\n"
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21 end
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22 s[#s+1] = "};\n"
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23 return table.concat(s,"")
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24 end
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25
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26 -- @@@STRUCT same as in call_suite{,_aggrs}, share?
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27 function mksigtab(sigs)
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28 local s = { "const char * G_sigtab[] = {\n"}
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29 for k,v in pairs(sigs) do
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30 s[#s+1] = '\t"'..v..'",\n'
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31 end
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32 s[#s+1] = "};\n"
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33 return table.concat(s,"")
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34 end
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35
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36 function mkall()
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37 -- force minargs for ordered mode @@@STRUCT why?
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38 if mode == "ordered" then
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39 minargs = 0
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40 end
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41
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42 -- case macros
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43 local i
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44 for i = minargs, maxargs do
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45 local line = "#define F" .. i .. "(ID,R"
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46 local argdef = ""
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47 local argset = ""
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48 if i > 0 then
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49 line = line .. ","
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50 local j
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51 for j = 0, i-1 do
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52 if j > 0 then
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53 argdef = argdef .. ","
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54 argset = argset .. ","
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55 end
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56 argdef = argdef .. "M" .. j
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57 argset = argset .. "M[" .. j .. "].M" .. j
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58 end
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59 end
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60 line = line .. argdef .. ") void ID(void* addr) { Result.R = ((CONFIG_API R(*)(" .. argdef .. "))addr)(" .. argset .. ");}\n"
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61 io.write(line)
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62 end
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63
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64 -- cases
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65 local lineno = 0
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66 local sigtab = { }
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67 local cases = ''
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68 for line in io.lines() do
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69 local sig = trim(line)
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70 cases = cases..mkcase(lineno,sig)
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71 sigtab[#sigtab+1] = sig
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72 lineno = lineno + 1
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73 end
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74
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75 io.write(cases)
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76 io.write(mkfuntab(lineno))
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77 io.write(mksigtab(sigtab))
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78 io.write("int G_maxargs = "..maxargs..";\n")
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79 end
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80
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81 mkall()
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82
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