mkproto.awk

   1 #!/usr/bin/awk -f
   2
   3 BEGIN {
   4     while ((getline i < "proto.h") > 0) old_protos = old_protos ? old_protos "\n" i : i
   5     close("proto.h")
   6     protos = "/* This file is automatically generated with \"make proto\". DO NOT EDIT */\n"
   7 }
   8
   9 inheader {
  10     protos = protos "\n" ((inheader = /\)[ \t]*$/ ? 0 : 1) ? $0 : $0 ";")
  11     next
  12 }
  13
  14 /^FN_(LOCAL|GLOBAL)_[^(]+\([^,()]+/ {
  15     local = /^FN_LOCAL/
  16     gsub(/^FN_(LOC|GLOB)AL_|,.*$/, "")
  17     sub(/^BOOL\(/, "BOOL ")
  18     sub(/^CHAR\(/, "char ")
  19     sub(/^INTEGER\(/, "int ")
  20     sub(/^STRING\(/, "char *")
  21     protos = protos "\n" $0 (local ? "(int module_id);" : "(void);")
  22     next
  23 }
  24
  25 /^static|^extern|;/||!/^[A-Za-z][A-Za-z0-9_]* / { next }
  26
  27 /\(.*\)[ \t]*$/ {
  28     protos = protos "\n" $0 ";"
  29     next
  30 }
  31
  32 /\(/ {
  33     inheader = 1
  34     protos = protos "\n" $0
  35 }
  36
  37 END {
  38     if (old_protos != protos) print protos > "proto.h"
  39     system("touch proto.h-tstamp")
  40 }