popl/pretty_print_popl.ml

   1 open Format
   2 module Past = Ast_popl
   3
   4 let start_block str =
   5   force_newline(); print_string "  "; open_box 0
   6
   7 let end_block str =
   8   close_box(); force_newline ()
   9
  10 (* --------------------------------------------------------------------- *)
  11
  12 let rec print_sequence = function
  13     Past.Seq(e,seq) -> print_element e; force_newline(); print_sequence seq
  14   | Past.Empty -> ()
  15   | Past.SExists((_,v),seq) -> print_string "exists "; print_string v;
  16       print_string " ."; force_newline(); print_sequence seq
  17
  18 and print_element = function
  19     Past.Term(term) -> Pretty_print_cocci.rule_elem "" term
  20   | Past.Or(seq1,seq2) ->
  21       force_newline(); print_string "("; force_newline(); print_sequence seq1;
  22       print_string "|"; force_newline(); print_sequence seq2; print_string ")"
  23   | Past.DInfo(dots,bef,aft) ->
  24       start_block();
  25       List.iter
  26         (function b -> print_string ">>>"; print_element b; force_newline())
  27         bef;
  28       print_dots dots;
  29       List.iter
  30         (function b -> force_newline(); print_string "<<<"; print_element b)
  31         aft;
  32       end_block()
  33   | Past.EExists((_,v),elem) -> print_string "exists "; print_string v;
  34       print_string " ."; force_newline(); print_element elem
  35
  36 and print_dots = function
  37     Past.Dots -> print_string "..."
  38   | Past.Nest(seq)-> print_string "<..."; start_block(); print_sequence seq;
  39       end_block(); print_string "...>"
  40   | Past.When(dots,seq) -> print_dots dots; print_string " when != ";
  41       open_box 0; print_sequence seq; close_box()
  42   | Past.DExists((_,v),dots) -> print_string "exists "; print_string v;
  43       print_string " ."; force_newline(); print_dots dots
  44
  45 (* --------------------------------------------------------------------- *)
  46
  47 let pretty_print_e e =
  48   print_element e;
  49   print_newline()
  50
  51 let pretty_print sl =
  52   print_sequence sl;
  53   print_newline()
  54