--          This file is part of SmartEiffel The GNU Eiffel Compiler.
--       Copyright (C) 1994-2002 LORIA - INRIA - U.H.P. Nancy 1 - FRANCE
--          Dominique COLNET and Suzanne COLLIN - SmartEiffel@loria.fr
--                       http://SmartEiffel.loria.fr
-- SmartEiffel is  free  software;  you can  redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the Free
-- Software  Foundation;  either  version  2, or (at your option)  any  later
-- version. SmartEiffel is distributed in the hope that it will be useful,but
-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-- or  FITNESS FOR A PARTICULAR PURPOSE.   See the GNU General Public License
-- for  more  details.  You  should  have  received a copy of the GNU General
-- Public  License  along  with  SmartEiffel;  see the file COPYING.  If not,
-- write to the  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
class E_ENSURE
   --
   -- To store a `ensure' clause.
   --

inherit ASSERTION_LIST

creation make, make_runnable

feature

   is_require: BOOLEAN is false

   is_ensure_then: BOOLEAN

   name: STRING is
      do
         if is_ensure_then then
            Result := once "ensure then"
         else
            Result := once "ensure"
         end
      end

   short is
      local
         i: INTEGER
      do
         short_print.hook_or(once "hook511","      ensure%N")
         if header_comment = Void then
            short_print.hook_or(once "hook512",once "")
         else
            short_print.hook_or(once "hook513",once "")
            header_comment.short(once "hook514",once "         --",once "hook515",once "%N")
            short_print.hook_or(once "hook516",once "")
         end
         if list = Void then
            short_print.hook_or(once "hook517",once "")
         else
            short_print.hook_or(once "hook518",once "")
            from
               i := 1
            until
               i = list.upper
            loop
               list.item(i).short(once "hook519",once "         ", -- before each assertion
                                  once "hook520",once "", -- no tag
                                  once "hook521",once "", -- before tag
                                  once "hook522",once ": ", -- after tag
                                  once "hook523",once "", -- no expression
                                  once "hook524",once "", -- before expression
                                  once "hook525",once ";", -- after expression except last
                                  once "hook526",once "%N", -- no comment
                                  once "hook527",once "", -- before comment
                                  once "hook528",once " --", -- comment begin line
                                  once "hook529",once "%N", -- comment end of line
                                  once "hook530",once "", -- after comment
                                  once "hook531",once ""); -- end of each assertion

               i := i + 1
            end
            list.item(i).short(once "hook519",once "         ", -- before each assertion
                               once "hook520",once "", -- no tag
                               once "hook521",once "", -- before tag
                               once "hook522",once ": ", -- after tag
                               once "hook523",once "", -- no expression
                               once "hook524",once "", -- before expression
                               once "hook532",once "", -- after expression except last
                               once "hook526",once "%N", -- no comment
                               once "hook527",once "", -- before comment
                               once "hook528",once " --", -- comment begin line
                               once "hook529",once "%N", -- comment end of line
                               once "hook530",once "", -- after comment
                               once "hook531",once "")
            short_print.hook_or(once "hook533",once "")
         end
         short_print.hook_or(once "hook534",once "")
      end

feature {RUN_FEATURE}

   c_frame_descriptor(format, locals: STRING) is
      local
         i: INTEGER
      do
         if list /= Void then
            from
               i := list.lower
            until
               i > list.upper
            loop
               list.item(i).c_frame_descriptor(format,locals)
               i := i + 1
            end
         end
      end

feature {EIFFEL_PARSER}

   set_ensure_then is
      do
         is_ensure_then := true
      end


feature {NONE}

   check_assertion_mode: STRING is "ens"

end -- E_ENSURE