Description="Verilog"

-- recognize stuff like 5'b0 as number
Digits=[[ (?:0x|0X)[0-9a-fA-F]+|\d*[\.\_]?[\d+\'](?:[eE][\-\+]\d+)?[lLuUbfdm]* ]]

Keywords={
  { Id=1,
    List={"always", "and", "assign", "attribute", "begin", "buf", "bufif0", 
            "bufif1", "case", "casex", "casez", "cmos", "deassign", "default", "defparam", 
            "disable", "edge", "else", "end", "endattribute", "endcase", "endmodule", 
            "endfunction", "endprimitive", "endspecify", "endtable", "endtask", "event", 
            "for", "force", "forever", "fork", "function", "highz0", "highz1", "if", 
            "initial", "inout", "input", "integer", "join", "large", "macromodule", 
            "medium", "module", "nand", "negedge", "nmos", "nor", "not", "notif0", "notif1", 
            "or", "output", "parameter", "pmos", "posedge", "primitive", "pull0", "pull1", 
            "pullup", "pulldown", "rcmos", "reg", "release", "repeat", "rnmos", "rpmos", 
            "rtran", "rtranif0", "rtranif1", "scalared", "small", "specify", "specparam", 
            "strength", "strong0", "strong1", "supply0", "supply1", "table", "task", "time", 
            "tran", "tranif0", "tranif1", "tri", "tri0", "tri1", "triand", "trior", 
            "trireg", "use", "vectored", "wait", "wand", "weak0", "weak1", "while", "wire", 
            "wor", "xnor", "xor"},
  },
  { Id=2,
    Regex=[[\$\w+]],
  },
  { Id=3,
    Regex=[[#\d+]],
  },
  { Id=4,
    Regex=[[(\w+)\s*\(]],
  },
}

Strings={
  Delimiter=[["|']],
}

IgnoreCase=false

Comments={
  { Block=false,
    Delimiter= { [[\/\/]] },
  },
  { Block=true,
    Nested=false,
    Delimiter= { [[\/\*]],[[\*\/]],}
  }
}

PreProcessor={
  Prefix=[[`]],
}

Operators=[[\(|\)|\[|\]|\{|\}|\,|\;|\:|\&|<|>|\!|\=|\/|\*|\%|\+|\-|\~|\@]]

-- resolve issue with ]] close delimiter which ends comments and strings
function OnStateChange(oldState, newState, token)

   if token=="'" and oldState==HL_NUMBER and newState==HL_STRING then
      return HL_NUMBER
   end
   return newState
end