popl/pretty_print_popl.ml

   1 (*
   2  * Copyright 2010, INRIA, University of Copenhagen
   3  * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
   4  * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
   5  * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
   6  * This file is part of Coccinelle.
   7  *
   8  * Coccinelle is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation, according to version 2 of the License.
  11  *
  12  * Coccinelle is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Coccinelle.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  * The authors reserve the right to distribute this or future versions of
  21  * Coccinelle under other licenses.
  22  *)
  23
  24
  25 open Format
  26 module Past = Ast_popl
  27
  28 let start_block str =
  29   force_newline(); print_string "  "; open_box 0
  30
  31 let end_block str =
  32   close_box(); force_newline ()
  33
  34 (* --------------------------------------------------------------------- *)
  35
  36 let rec print_sequence = function
  37     Past.Seq(e,seq) -> print_element e; force_newline(); print_sequence seq
  38   | Past.Empty -> ()
  39   | Past.SExists((_,v),seq) -> print_string "exists "; print_string v;
  40       print_string " ."; force_newline(); print_sequence seq
  41
  42 and print_element = function
  43     Past.Term(term) -> Pretty_print_cocci.rule_elem "" term
  44   | Past.Or(seq1,seq2) ->
  45       force_newline(); print_string "("; force_newline(); print_sequence seq1;
  46       print_string "|"; force_newline(); print_sequence seq2; print_string ")"
  47   | Past.DInfo(dots,bef,aft) ->
  48       start_block();
  49       List.iter
  50         (function b -> print_string ">>>"; print_element b; force_newline())
  51         bef;
  52       print_dots dots;
  53       List.iter
  54         (function b -> force_newline(); print_string "<<<"; print_element b)
  55         aft;
  56       end_block()
  57   | Past.EExists((_,v),elem) -> print_string "exists "; print_string v;
  58       print_string " ."; force_newline(); print_element elem
  59
  60 and print_dots = function
  61     Past.Dots -> print_string "..."
  62   | Past.Nest(seq)-> print_string "<..."; start_block(); print_sequence seq;
  63       end_block(); print_string "...>"
  64   | Past.When(dots,seq) -> print_dots dots; print_string " when != ";
  65       open_box 0; print_sequence seq; close_box()
  66   | Past.DExists((_,v),dots) -> print_string "exists "; print_string v;
  67       print_string " ."; force_newline(); print_dots dots
  68
  69 (* --------------------------------------------------------------------- *)
  70
  71 let pretty_print_e e =
  72   print_element e;
  73   print_newline()
  74
  75 let pretty_print sl =
  76   print_sequence sl;
  77   print_newline()
  78