+ initial revision

compiler/cresstr.pas

@@ -0,0 +1,108 @@
+{
+    $Id$
+    Copyright (c) 1999 by the Free Pascal development team
+
+    Handles resourcestrings
+
+    This program 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 of the License, or
+    (at your option) any later version.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ ****************************************************************************
+}
+unit cresstr;
+
+  interface
+
+    procedure insertresourcestrings;
+    procedure registerresourcestring(p : pchar;len : longint);
+    function calc_resstring_hashvalue(p : pchar;len : longint) : longint;
+
+  implementation
+
+    uses
+       aasm,verbose,files;
+
+    const
+       { we can use a static constant because we compile a program only once }
+       { per compiler call                                                   }
+       resstrcount : longint = 0;
+
+    { calcs the hash value for a give resourcestring, len is }
+    { necessary because the resourcestring can contain #0    }
+    function calc_resstring_hashvalue(p : pchar;len : longint) : longint;
+
+      begin
+         calc_resstring_hashvalue:=12345678;
+      end;
+
+    procedure insertresourcestrings;
+
+      begin
+         if not(assigned(resourcestringlist)) then
+           resourcestringlist:=new(paasmoutput,init);
+         resourcestringlist^.insert(new(pai_const,init_32bit(resstrcount)));
+         resourcestringlist^.insert(new(pai_symbol,initname_global('RESOURCESTRINGLIST')));
+      end;
+
+    procedure registerresourcestring(p : pchar;len : longint);
+
+      var
+         l1 : pasmlabel;
+         s : pchar;
+
+      begin
+         { shall we generate a po file? }
+         { !!!!!! not yet implemented   }
+
+         { we don't need to generate consts in units }
+         if current_module^.is_unit then
+           exit;
+
+         if not(assigned(resourcestringlist)) then
+           resourcestringlist:=new(paasmoutput,init);
+
+         inc(resstrcount);
+
+         { an empty ansi string is nil! }
+         if (p=nil) or (len=0) then
+           resourcestringlist^.concat(new(pai_const,init_32bit(0)))
+         else
+           begin
+              getdatalabel(l1);
+              resourcestringlist^.concat(new(pai_const_symbol,init(l1)));
+              { first write the maximum size }
+              consts^.concat(new(pai_const,init_32bit(len)));
+              { second write the real length }
+              consts^.concat(new(pai_const,init_32bit(len)));
+              { redondent with maxlength but who knows ... (PM) }
+              { third write use count (set to -1 for safety ) }
+              consts^.concat(new(pai_const,init_32bit(-1)));
+              consts^.concat(new(pai_label,init(l1)));
+              getmem(s,len+1);
+              move(p^,s^,len);
+              s[len]:=#0;
+              consts^.concat(new(pai_string,init_length_pchar(s,len)));
+              consts^.concat(new(pai_const,init_8bit(0)));
+           end;
+         resourcestringlist^.concat(new(pai_const,init_32bit(0)));
+         resourcestringlist^.concat(new(pai_const,init_32bit(
+           calc_resstring_hashvalue(p,len))));
+      end;
+
+end.
+{
+  $Log$
+  Revision 1.1  1999-07-22 09:34:04  florian
+    + initial revision
+
+}