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annotate test/call_suite_aggrs/mk-cases.lua @ 485:0c68b3f91367

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- renamed suite_aggrs to call_suite_aggrs for consistency (callback version will be called callback_suite_aggrs)
author Tassilo Philipp
date Thu, 17 Mar 2022 15:41:26 +0100
parents test/suite_aggrs/mk-cases.lua@0f3b6898078d
children da5232da6270
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 require"config"
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2 require"math"
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3 local max_numargs = 0
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4
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5 local aggrs = { }
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6 local seen_aggrs = { }
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7
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8
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9 function canon_type(t)
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10 -- aggregate types start with special (closing) char
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11 c = ({ ['}'] = 'struct ', ['>'] = 'union ' })[t:sub(1,1)]
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12 if c ~= nil then
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13 return c..'A'..t:sub(2)
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14 end
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15 return t
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16 end
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17
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18 function trim(l) return l:gsub("^%s+",""):gsub("%s+$","") end
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19 function mkcase(id,sig)
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20 local sig = trim(sig)
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21 local h = { "/* ",id,":",sig," */ " }
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22 local t = { "" }
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23 local pos = 0
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24 local n_nest = 0
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25 local aggr = { }
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26 local aggr_sig = { }
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27 aggr[0] = { } -- non-sequential [0] collects all non-aggr types
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28 aggr_sig[0] = ''
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29 for i = 1, #sig do
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30 local name = "a"..pos
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31 local ch = sig:sub(i,i)
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32
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33
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34 -- aggregate nest level change?
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35 if ch == '{' or ch == '<' then
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36 n_nest = n_nest + 1
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37 aggr[n_nest] = { }
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38 aggr_sig[n_nest] = ''
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39 end
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40
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41 aggr_sig[n_nest] = aggr_sig[n_nest]..ch
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42
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43 -- array? Just append to name of member var from prev loop
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44 if ch:match('[%[%]0123456789]') ~= nil then
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45 aggr[n_nest][#aggr[n_nest]] = aggr[n_nest][#aggr[n_nest]]..ch
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46 else
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47
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48 if ch == '}' or ch == '>' then
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49 -- register yet unseen aggregates, key is sig, val is body and name
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50 if seen_aggrs[aggr_sig[n_nest]] == nil then
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51 aggrs[#aggrs+1] = aggr_sig[n_nest]
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52 ch = ch..#aggrs
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53 seen_aggrs[aggr_sig[n_nest]] = { aggr[n_nest], ch }
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54 end
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55 ch = seen_aggrs[aggr_sig[n_nest]][2]
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56
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57 n_nest = n_nest - 1
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58 aggr_sig[n_nest] = aggr_sig[n_nest]..aggr_sig[n_nest+1]
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59 end
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60
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61 if ch ~= '{' and ch ~= '}' and ch ~= '<' and ch ~= '>' then
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62 aggr[n_nest][#aggr[n_nest]+1] = canon_type(ch)
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63 aggr[n_nest][#aggr[n_nest]+1] = 'm'..(#aggr[n_nest] >> 1)
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64 end
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65
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66 -- no nesting (= actual func args), generate case code
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67 if n_nest == 0 then
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68 h[#h+1] = canon_type(ch)
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69 -- aggregate types have more than one
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70 if #h[#h] > 1 then
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71 if aggrcpsimple then
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72 t[#t+1] = '*('..h[#h]..'*)V_a['..pos.."]="..name..";"
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73 else
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74 t[#t+1] = 'f_cp'..h[#h]:sub(8)..'(V_a['..pos.."],&"..name..");"
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75 end
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76 if aggrmutabletest then
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77 t[#t] = t[#t]..'memset(&'..name..',0,sizeof('..name..'));'
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78 end
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79 else
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80 t[#t+1] = "V_"..ch.."["..pos.."]="..name..";"
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81 end
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82
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83 -- is return type or func arg?
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84 if pos == 0 then
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85 h[#h+1] = " f"..id.."("
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86 h[#h+1] = ''
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87 t[#t] = '' -- clear; aggr return type handled explicitly
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88 else
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89 h[#h+1] = ' '..name
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90 h[#h+1] = ","
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91 end
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92
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93 pos = pos + 1
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94 end
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95 end
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96 end
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97 max_numargs = math.max(max_numargs, pos-1)
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98 h[#h] = "){"
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99 if #h[6] == 1 then
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100 t[#t+1] = "ret_"..h[6].."("..(pos-1)..")}\n"
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101 else
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102 t[#t+1] = "ret_a("..(pos-1)..","..h[6]..")}\n"
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103 end
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104 return table.concat(h,"")..table.concat(t,"")
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105 end
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106
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107 function mkfuntab(n)
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108 local s = { "funptr G_funtab[] = {\n"}
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109 for i = 0, n-1 do
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110 s[#s+1] = "\t(funptr)&f"..i..",\n"
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111 end
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112 s[#s+1] = "};\n"
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113 return table.concat(s,"")
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114 end
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115
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116 function mksigtab(sigs)
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117 local s = { "char const * G_sigtab[] = {\n"}
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118 for k,v in pairs(sigs) do
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119 s[#s+1] = '\t"'..v..'",\n'
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120 end
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121 s[#s+1] = "};\n"
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122 return table.concat(s,"")
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123 end
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124
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125 function split_array_decl(s)
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126 local name = s
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127 local n = nil -- not an array
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128 local array_i = s:find('%[')
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129 if array_i ~= nil then
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130 name = name:sub(1, array_i-1)
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131 n = tonumber(s:sub(array_i):match('[0123456789]+'))
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132 end
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133 return { name, n }
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134 end
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135
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136 function mkall()
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137 local lineno = 0
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138 local sigtab = { }
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139 local cases = ''
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140 for line in io.lines() do
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141 local sig = trim(line)
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142 cases = cases..mkcase(lineno,sig)
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143 sigtab[#sigtab+1] = sig
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144 lineno = lineno + 1
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145 end
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146
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147 agg_sizes = {}
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148 agg_sigs = {}
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149 agg_names = {}
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150 for a = 1, #aggrs do
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151 local k = aggrs[a]
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152 local v = seen_aggrs[k]
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153 local at = canon_type(v[2]) -- aggregate type
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154 local am = v[1] -- aggregate members
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155
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156 agg_sizes[#agg_sizes + 1] = 'sizeof('..at..')'
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157 agg_sigs [#agg_sigs + 1] = k
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158 agg_names[#agg_names + 1] = at:sub(8)
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159
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160 -- aggregate def
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161 io.write('/* '..k..' */\n')
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162 if aggrpacking ~= 0 then
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163 local pack = aggrpacking
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164 if pack < 0 then
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165 pack = math.floor(math.pow(2,math.floor(math.log(math.random(math.abs(pack)),2))))
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166 end
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167 io.write('#pragma pack(push,'..pack..')\n')
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168 end
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169
462
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170 io.write(at..' { ')
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171 for i = 1, #am, 2 do
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172 io.write(am[i]..' '..am[i+1]..'; ')
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173 end
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174 io.write("};\n")
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175
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176 if aggrpacking ~= 0 then
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177 io.write('#pragma pack(pop)\n')
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178 end
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179
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180 -- aggregate cp and cmp funcs
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181 s = {
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182 'void f_cp'..at:sub(8)..'('..at..' *x, const '..at..' *y) { ',
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183 'int f_cmp'..at:sub(8)..'(const '..at..' *x, const '..at..' *y) { return '
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184 }
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185 o = { '=', '==', 'f_cp', 'f_cmp', '; ', ' && ', '', '1' }
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186 for t = 1, 2 do
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187 if t ~= 1 or aggrcpsimple == false then
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188 io.write(s[t])
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189 local b = {}
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190 for i = 1, #am, 2 do
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191 local m = split_array_decl(am[i+1])
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192 local fmt = ''
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193 if m[2] ~= nil then -- need array suffixes?
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194 fmt = '[%d]'
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195 else
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196 m[2] = 1
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197 end
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198
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199 for j = 1, m[2] do
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200 name = m[1]..string.format(fmt, j-1)
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201 if string.match(am[i], ' ') then -- aggregate canonical types contain at least one space
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202 b[#b+1] = o[t+2]..am[i]:sub(8)..'(&x->'..name..', &y->'..name..')'
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203 else
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204 b[#b+1] = 'x->'..name..' '..o[t]..' y->'..name
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205 end
462
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206 end
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207 end
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208 if #b == 0 then -- to handle empty aggregates
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209 b[1] = o[t+6]
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210 end
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211 io.write(table.concat(b,o[t+4]).."; };\n")
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212 end
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213 end
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214
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215 -- convenient dcnewstruct helper funcs
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216 io.write('DCaggr* f_touchdcst'..at:sub(8)..'() {\n\tstatic DCaggr* at = NULL;\n\tif(!at) {\n\t\tat = dcNewAggr('..(#am>>1)..', sizeof('..at..'), DC_TRUE);\n\t\t')
462
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217 for i = 1, #am, 2 do
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218 local m = split_array_decl(am[i+1])
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219 if m[2] == nil then -- need array suffixes?
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220 m[2] = 1
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221 end
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222 if string.match(am[i], ' ') then -- aggregate canonical types contain at least one space
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223 --io.write('dcAggrField(at, DC_SIGCHAR_AGGREGATE, offsetof('..at..', '..m[1]..'), '..m[2]..', f_touchdcst'..am[i]:sub(8)..'());\n\t\t')
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224 io.write("AFa("..at..','..m[1]..','..m[2]..','..am[i]:sub(8)..')\n\t\t')
462
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225 else
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226 --io.write("dcAggrField(at, '"..am[i].."', offsetof("..at..', '..m[1]..'), '..m[2]..');\n\t\t')
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227 io.write("AF('"..am[i].."',"..at..','..m[1]..','..m[2]..')\n\t\t')
462
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228 end
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229 end
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230 io.write("dcCloseAggr(at);\n\t}\n\treturn at;\n};\n")
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231 end
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232
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233 -- make table.concat work
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234 if #agg_names > 0 then
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235 table.insert(agg_names, 1, '')
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236 end
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237
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238 io.write(cases)
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239 io.write(mkfuntab(lineno))
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240 io.write(mksigtab(sigtab))
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241 io.write('const char* G_agg_sigs[] = {\n\t"'..table.concat(agg_sigs, '",\n\t"')..'"\n};\n')
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242 io.write('int G_agg_sizes[] = {\n\t'..table.concat(agg_sizes, ',\n\t')..'\n};\n')
438
b4ddad459690 suite_aggr;
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243 io.write('funptr G_agg_touchdcstfuncs[] = {'..string.sub(table.concat(agg_names, ',\n\t(funptr)&f_touchdcst'),2)..'\n};\n')
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244 io.write('funptr G_agg_cmpfuncs[] = {'..string.sub(table.concat(agg_names, ',\n\t(funptr)&f_cmp'),2)..'\n};\n')
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245 io.write("int G_maxargs = "..max_numargs..";\n")
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246 end
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247
482
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248 math.randomseed(seed)
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249 mkall()
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250