--          This file is part of SmallEiffel The GNU Eiffel Compiler.
--          Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
--            Dominique COLNET and Suzanne COLLIN - colnet@loria.fr 
--                       http://www.loria.fr/SmallEiffel
-- SmallEiffel 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. SmallEiffel 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  SmallEiffel;  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_REQUIRE
   --
   -- To store a `require' clause.
   --
   
inherit ASSERTION_LIST;
         
creation make, make_runnable

feature 
   
   is_require_else: BOOLEAN;
		    
feature

   name: STRING is
      do
	 if is_require_else then
	    Result := "require else";
	 else
	    Result := "require";
	 end;
      end;
   
   short(h1,r1: STRING) is
      local
	 i: INTEGER;
      do
	 short_print.hook_or(h1,r1);
	 if header_comment = Void then
	    short_print.hook_or("hook412","");
	 else
	    short_print.hook_or("hook413","");
	    header_comment.short("hook414","         -- ","hook415","%N");
	    short_print.hook_or("hook416","");
	 end;
	 if list = Void then
	    short_print.hook_or("hook417","");
	 else
	    short_print.hook_or("hook418","");
	    from  
	       i := 1;
	    until
	       i = list.upper		  
	    loop
	       list.item(i).short("hook419","         ", -- before each assertion
				  "hook420","", -- no tag
				  "hook421","", -- before tag
				  "hook422",": ", -- after tag
				  "hook423","", -- no expression
				  "hook424","", -- before expression
				  "hook425",";", -- after expression except last
				  "hook426","%N", -- no comment
				  "hook427","", -- before comment
				  "hook428"," -- ", -- comment begin line
				  "hook429","%N", -- comment end of line
				  "hook430","", -- after comment
				  "hook431",""); -- end of each assertion

	       i := i + 1;
	    end;
	    list.item(i).short("hook419","         ", -- before each assertion
			       "hook420","", -- no tag
			       "hook421","", -- before tag
			       "hook422",": ", -- after tag
			       "hook423","", -- no expression
			       "hook424","", -- before expression
			       "hook432","", -- after expression except last
			       "hook426","%N", -- no comment
			       "hook427","", -- before comment
			       "hook428"," -- ", -- comment begin line
			       "hook429","%N", -- comment end of line
			       "hook430","", -- after comment
			       "hook431","");
	    short_print.hook_or("hook433","");
	 end;
	 short_print.hook_or("hook434","");
      ensure
	 fmt.indent_level = old fmt.indent_level;
      end;

feature {TMP_FEATURE}

   set_require_else is
      do
	 is_require_else := true;
      end;
      
feature {NONE}
   
   check_assertion_mode: STRING is
      do
	 Result := "req";
      end;
      
end -- E_REQUIRE