mdw@git.distorted.org.uk Git - fwd/blob - grammar

   1 Basic syntax
   2         FILE ::= EMPTY | FILE STMT [`;']
   3         STMT ::= OPTION-STMT | FW-STMT
   4         FW-STMT ::= `fw' SOURCE OPTIONS [`to'|`->'] TARGET OPTIONS
   5         OPTIONS ::= `{' OPTION-SEQ `}'
   6         OPTION-SEQ ::= EMPTY | OPTION-STMT [`;'] OPTION-SEQ
   7
   8 Option syntax
   9         OPTION-STMT ::= Q-OPTION
  10         Q-OPTION ::= OPTION
  11              | PREFIX `.' Q-OPTION
  12              | PREFIX `{' OPTION-SEQ `}'
  13         PREFIX ::= WORD
  14
  15 File source and target
  16         SOURCE ::= FILE
  17         TARGET ::= FILE
  18         FILE ::= `file' [`.'] FSPEC [`,' FSPEC]
  19         FSPEC ::= FD-SPEC | NAME-SPEC | NULL-SPEC
  20         FD-SPEC ::= [[`:']`fd'[`:']] NUMBER|`stdin'|`stdout'
  21         NAME-SPEC ::= [[`:']`file'[`:']] FILE-NAME
  22         FILE-NAME ::= PATH-SEQ | [ PATH-SEQ ]
  23         PATH-SEQ ::= PATH-ELT | PATH-SEQ PATH-ELT
  24         PATH-ELT ::= `/' | WORD
  25         NULL-SPEC ::= [`:']`null'[`:']
  26
  27 Exec source and target
  28         SOURCE ::= EXEC
  29         TARGET ::= EXEC
  30         EXEC ::= `exec' [`.'] CMD-SPEC
  31         CMD-SPEC ::= SHELL-CMD | [PROG-NAME] `[' ARGV0 ARG-SEQ `]'
  32         ARG-SEQ ::= WORD | ARG-SEQ WORD
  33         SHELL-CMD ::= WORD
  34         ARGV0 ::= WORD
  35
  36 Socket source and target
  37         SOURCE ::= SOCKET-SOURCE
  38         TARGET ::= SOCKET-TARGET
  39         SOCKET-SOURCE ::= [`socket'[`.']] [[`:']ADDR-TYPE[`:']] SOURCE-ADDR
  40         SOCKET-TARGET ::= [`socket'[`.']] [[`:']ADDR-TYPE[`:']] TARGET-ADDR
  41
  42         INET-SOURCE-ADDR ::= [`port'] PORT
  43         INET-TARGET-ADDR ::= ADDRESS [`:'] PORT
  44         ADDRESS ::= ADDR-ELT | ADDRESS ADDR-ELT
  45         ADDR-ELT ::= `.' | WORD
  46
  47         UNIX-SOURCE-ADDR ::= FILE-NAME
  48         UNIX-TARGET-ADDR ::= FILE-NAME
  49
  50 File attributes (`fattr')
  51         PREFIX.fattr.mode [=] MODE
  52         PREFIX.fattr.owner [=] USER
  53         PREFIX.fattr.group [=] GROUP
  54
  55 File options
  56         file.create [=] yes|no
  57         file.open [=] no|truncate|append
  58         file.fattr.*
  59
  60 Exec options
  61         exec.logging [=] yes|no
  62         exec.dir [=] FILE-NAME
  63         exec.root [=] FILE-NAME
  64         exec.user [=] USER
  65         exec.group [=] GROUP
  66         exec.rlimit.LIMIT[.hard|.soft] [=] VALUE
  67         exec.env.clear
  68         exec.env.unset VAR
  69         exec.env.[set] VAR [=] VALUE
  70
  71 Socket options
  72         socket.conn [=] NUMBER|unlimited|one-shot
  73         socket.logging [=] yes|no
  74
  75         socket.inet.source.[allow|deny] priv-port
  76         socket.inet.source.[allow|deny] [host] ADDR [/ ADDR]
  77         socket.inet.source.addr [=] any|ADDR
  78         socket.inet.dest.addr [=] any|ADDR
  79         oscket.inet.dest.priv-port [=] yes|no
  80
  81         socket.unix.source.fattr.*