# iPXE scripts (http://ipxe.org/)

vardef VAR = '\$\{[^\}]+\}'
vardef SEP = ';|&&|\|\|'
vardef ID = '[-/:\w]+'
vardef KW = "autoboot|boot|chain|choose|colour|config|console|cpair|cpuid",
            "dhcp|echo|exit|fcels|fcstat|gdbstub|help|ifclose|ifconf|ifopen",
            "ifstat|imgargs|imgexec|imgfetch|imgfree|imgload|imgselect|imgstat",
            "imgtrust|imgverify|initrd|ipstat|iseq|isset|item|kernel|login",
            "lotest|menu|module|nslookup|nstat|param|params|pciscan|ping|poweroff",
            "profstat|prompt|pxebs|read|reboot|route|sanboot|sanhook|sanunhook",
            "shell|sleep|sync|time|vcreate|vdestroy"

# comments
environment comment start "#"
begin
  include "url.lang"
end

# labels and goto
label start '^\s*:'
(keyword, normal, variable) = `(\bgoto)(\s+)(\$\{[^\}]+\})`
(keyword, normal, label) = `(\bgoto)(\s+)([-/:\w]+)`

# variables
(keyword, normal, variable) = `(\b(?:clear|inc|show))(\s+)([-/:\w]+)`
state keyword = "set"
begin
   state variable = $ID
   begin
     include "number.lang"
     variable = $VAR
     symbol = $SEP         exitall
     normal = '$'          exitall
   end
end

# keywords and statements
state keyword = $KW
begin
   include "number.lang"
   variable = $VAR
   symbol = $SEP         exit
   normal = '$'          exit
end

symbol = $SEP