fake-gperf.awk revision 103591
1#!/usr/bin/awk -f 2# $FreeBSD: head/usr.bin/getconf/fake-gperf.awk 103591 2002-09-19 03:39:03Z wollman $ 3BEGIN { 4 state = 0; 5 struct_seen = ""; 6} 7/^%{$/ && state == 0 { 8 state = 1; 9 next; 10} 11/^%}$/ && state == 1 { 12 state = 0; 13 next; 14} 15state == 1 { print; next; } 16/^struct/ && state == 0 { 17 print; 18 struct_seen = $2; 19 next; 20} 21/^%%$/ && state == 0 { 22 state = 2; 23 print "#include <stddef.h>"; 24 print "#include <string.h>"; 25 if (struct_seen !~ /^$/) { 26 print "static const struct", struct_seen, "wordlist[] = {"; 27 } else { 28 print "static const struct map {"; 29 print "\tconst char *name;"; 30 print "\tint key;"; 31 print "\tint valid;"; 32 print "} wordlist[] = {"; 33 struct_seen = "map"; 34 } 35 next; 36} 37/^%%$/ && state == 2 { 38 state = 3; 39 print "\t{ NULL }"; 40 print "};"; 41 print "#define\tNWORDS\t(sizeof(wordlist)/sizeof(wordlist[0]) - 1)"; 42 print "static const struct map *"; 43 print "in_word_set(const char *word, unsigned int len)"; 44 print "{"; 45 print "\tconst struct", struct_seen, "*mp;"; 46 print ""; 47 print "\tfor (mp = wordlist; mp < &wordlist[NWORDS]; mp++) {"; 48 print "\t\tif (strcmp(word, mp->name) == 0)"; 49 print "\t\t\treturn (mp);"; 50 print "\t}"; 51 print "\treturn (NULL);"; 52 print "}"; 53 print ""; 54 next; 55} 56state == 2 && NF == 2 { 57 name = substr($1, 1, length($1) - 1); 58 printf "#ifdef %s\n", $2; 59 printf "\t{ \"%s\", %s, 1 },\n", name, $2; 60 print "#else"; 61 printf "\t{ \"%s\", 0, 0 },\n", name, $2; 62 print "#endif" 63 next; 64} 65state == 3 { print; next; } 66{ 67 # eat anything not matched. 68} 69