et_c.awk revision 65f0aab98b20b5994a726ab90d355248bcddfffd
1BEGIN { 2if ( length(outfn) == 0) { 3 outfn = outfile 4} 5char_shift=64 6## "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_"; 7c2n["A"]=1 8c2n["B"]=2 9c2n["C"]=3 10c2n["D"]=4 11c2n["E"]=5 12c2n["F"]=6 13c2n["G"]=7 14c2n["H"]=8 15c2n["I"]=9 16c2n["J"]=10 17c2n["K"]=11 18c2n["L"]=12 19c2n["M"]=13 20c2n["N"]=14 21c2n["O"]=15 22c2n["P"]=16 23c2n["Q"]=17 24c2n["R"]=18 25c2n["S"]=19 26c2n["T"]=20 27c2n["U"]=21 28c2n["V"]=22 29c2n["W"]=23 30c2n["X"]=24 31c2n["Y"]=25 32c2n["Z"]=26 33c2n["a"]=27 34c2n["b"]=28 35c2n["c"]=29 36c2n["d"]=30 37c2n["e"]=31 38c2n["f"]=32 39c2n["g"]=33 40c2n["h"]=34 41c2n["i"]=35 42c2n["j"]=36 43c2n["k"]=37 44c2n["l"]=38 45c2n["m"]=39 46c2n["n"]=40 47c2n["o"]=41 48c2n["p"]=42 49c2n["q"]=43 50c2n["r"]=44 51c2n["s"]=45 52c2n["t"]=46 53c2n["u"]=47 54c2n["v"]=48 55c2n["w"]=49 56c2n["x"]=50 57c2n["y"]=51 58c2n["z"]=52 59c2n["0"]=53 60c2n["1"]=54 61c2n["2"]=55 62c2n["3"]=56 63c2n["4"]=57 64c2n["5"]=58 65c2n["6"]=59 66c2n["7"]=60 67c2n["8"]=61 68c2n["9"]=62 69c2n["_"]=63 70} 71/^#/ { next } 72/^[ \t]*(error_table|et)[ \t]+[a-zA-Z][a-zA-Z0-9_]+/ { 73 table_number = 0 74 mod_base = 1000000 75 if (NF > 2) { 76 table_name = $3 77 base_name = $2 78 } else { 79 table_name = $2 80 base_name = table_name 81 } 82 for(i=1; i<=length(base_name); i++) { 83 table_number=(table_number*char_shift)+c2n[substr(base_name,i,1)] 84 } 85 86 # We start playing *_high, *low games here because the some 87 # awk programs do not have the necessary precision (sigh) 88 tab_base_low = table_number % mod_base 89 if (tab_base_low < 0) { 90 # Work around stupid bug in the ARM libm 91 tab_base_low = tab_base_low + mod_base 92 } 93 tab_base_high = int(table_number / mod_base) 94 tab_base_sign = 1; 95 96 # figure out: table_number_base=table_number*256 97 tab_base_low = tab_base_low * 256 98 tab_base_high = (tab_base_high * 256) + \ 99 int(tab_base_low / mod_base) 100 tab_base_low = tab_base_low % mod_base 101 if (tab_base_low < 0) { 102 # Work around stupid bug in the ARM libm 103 tab_base_low = tab_base_low + mod_base 104 } 105 106 if (table_number > 128*256*256) { 107 # figure out: table_number_base -= 256*256*256*256 108 # sub_high, sub_low is 256*256*256*256 109 sub_low = 256*256*256 % mod_base 110 sub_high = int(256*256*256 / mod_base) 111 112 sub_low = sub_low * 256 113 sub_high = (sub_high * 256) + int(sub_low / mod_base) 114 sub_low = sub_low % mod_base 115 116 tab_base_low = sub_low - tab_base_low; 117 tab_base_high = sub_high - tab_base_high; 118 tab_base_sign = -1; 119 if (tab_base_low < 0) { 120 tab_base_low = tab_base_low + mod_base 121 tab_base_high-- 122 } 123 } 124 print "/*" > outfile 125 print " * " outfn ":" > outfile 126 print " * This file is automatically generated; please do not edit it." > outfile 127 print " */" > outfile 128 129 print "" > outfile 130 print "#include <stdlib.h>" > outfile 131 print "" > outfile 132 print "static const char * const text[] = {" > outfile 133 table_item_count = 0 134} 135 136(continuation == 1) && ($0 ~ /\\[ \t]*$/) { 137 text=substr($0,1,length($0)-1); 138# printf "\t\t\"%s\"\n", text > outfile 139 cont_buf=cont_buf text; 140} 141 142(continuation == 1) && ($0 ~ /"[ \t]*$/) { 143# printf "\t\t\"%s,\n", $0 > outfile 144 printf "\t%s,\n", cont_buf $0 > outfile 145 continuation = 0; 146} 147 148/^[ \t]*(error_code|ec)[ \t]+[A-Z_0-9]+,[^ \t]/ { 149 # Be tolerant to missing whitespace after `,' ... 150 sub(/,/, ", ") 151} 152 153/^[ \t]*(error_code|ec)[ \t]+[A-Z_0-9]+,[ \t]*$/ { 154 table_item_count++ 155 skipone=1 156 next 157} 158 159/^[ \t]*(error_code|ec)[ \t]+[A-Z_0-9]+,[ \t]*".*"[ \t]*$/ { 160 text="" 161 for (i=3; i<=NF; i++) { 162 text = text FS $i 163 } 164 text=substr(text,2,length(text)-1); 165 printf "\t%s,\n", text > outfile 166 table_item_count++ 167} 168 169/^[ \t]*(error_code|ec)[ \t]+[A-Z_0-9]+,[ \t]*".*\\[ \t]*$/ { 170 text="" 171 for (i=3; i<=NF; i++) { 172 text = text FS $i 173 } 174 text=substr(text,2,length(text)-2); 175# printf "\t%s\"\n", text > outfile 176 cont_buf=text 177 table_item_count++ 178 continuation++; 179} 180 181/^[ \t]*".*\\[ \t]*$/ { 182 if (skipone) { 183 text=substr($0,1,length($0)-1); 184# printf "\t%s\"\n", text > outfile 185 cont_buf=text 186 continuation++; 187 } 188 skipone=0 189} 190 191{ 192 if (skipone) { 193 printf "\t%s,\n", $0 > outfile 194 } 195 skipone=0 196} 197 198/^[ \t]*(prefix)$/ { 199 prefix_str = "" 200} 201 202/^[ \t]*(prefix)[ \t]+[A-Z_0-9]+/ { 203 prefix_str = $2 "_" 204} 205 206/^[ \t]*(index)[ \t]+[A-Z_0-9]+/ { 207 new_idx = $2 208 for (i = table_item_count ; i < new_idx; i++) { 209 printf "\t\"Reserved %s error (%d)\",\n", \ 210 table_name, table_item_count++ > outfile 211 } 212} 213 214END { 215 print " 0" > outfile 216 print "};" > outfile 217 print "" > outfile 218 print "struct error_table {" > outfile 219 print " char const * const * msgs;" > outfile 220 print " long base;" > outfile 221 print " int n_msgs;" > outfile 222 print "};" > outfile 223 print "struct et_list {" > outfile 224 print " struct et_list *next;" > outfile 225 print " const struct error_table * table;" > outfile 226 print "};" > outfile 227 print "extern struct et_list *_et_list;" > outfile 228 print "" > outfile 229 if (tab_base_high == 0) { 230 print "const struct error_table et_" table_name "_error_table = { text, " \ 231 sprintf("%dL, %d };", tab_base_sign*tab_base_low, \ 232 table_item_count) > outfile 233 } else { 234 print "const struct error_table et_" table_name "_error_table = { text, " \ 235 sprintf("%d%06dL, %d };", tab_base_sign*tab_base_high, \ 236 tab_base_low, table_item_count) > outfile 237 } 238 print "" > outfile 239 print "static struct et_list link = { 0, 0 };" > outfile 240 print "" > outfile 241 print "void initialize_" table_name "_error_table_r(struct et_list **list);" > outfile 242 print "void initialize_" table_name "_error_table(void);" > outfile 243 print "" > outfile 244 print "void initialize_" table_name "_error_table(void) {" > outfile 245 print " initialize_" table_name "_error_table_r(&_et_list);" > outfile 246 print "}" > outfile 247 print "" > outfile 248 print "/* For Heimdal compatibility */" > outfile 249 print "void initialize_" table_name "_error_table_r(struct et_list **list)" > outfile 250 print "{" > outfile 251 print " struct et_list *et, **end;" > outfile 252 print "" > outfile 253 print " for (end = list, et = *list; et; end = &et->next, et = et->next)" > outfile 254 print " if (et->table->msgs == text)" > outfile 255 print " return;" > outfile 256 print " et = malloc(sizeof(struct et_list));" > outfile 257 print " if (et == 0) {" > outfile 258 print " if (!link.table)" > outfile 259 print " et = &link;" > outfile 260 print " else" > outfile 261 print " return;" > outfile 262 print " }" > outfile 263 print " et->table = &et_" table_name "_error_table;" > outfile 264 print " et->next = 0;" > outfile 265 print " *end = et;" > outfile 266 print "}" > outfile 267} 268