Diff for /gforth/errors.fs between versions 1.8 and 1.18

version 1.8, 1999/02/28 21:31:49 version 1.18, 2007/12/31 18:40:24
Line 1 Line 1
 \ Load in error strings  \ Load in error strings
   
 \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,1999,2003,2007 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
Line 15 Line 15
 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
   
 [IFUNDEF] linked \ defined by chains.fs?!  : linked ( addr -- )
 : linked        here over @ a, swap ! ;      here over @ a, swap ! ;
 [THEN]  
   
 : errstring ( addr u n -- )  : errstring ( addr u n -- )
     ErrLink linked      ErrLink linked
     ,      ,
     string, align ;      string, align ;
   
 variable next-exception -2048 next-exception !  
   
 : exception ( addr u -- n ) \ exception- gforth  
     \G @var{n} is a previously unused THROW value in the range  
     \G (-4095...-256). Consecutive calls to EXCEPTION return  
     \G consecutive decreasing numbers. Gforth uses the string  
     \G @var{addr u} as error message.  
     next-exception @ errstring  
     next-exception @  
     -1 next-exception +! ;  
   
 decimal  decimal
   
 -1 s" Aborted" rot errstring  -1 s" Aborted" rot errstring
Line 97  decimal Line 84  decimal
 -56 s" QUIT" rot errstring  -56 s" QUIT" rot errstring
 -57 s" Error in sending or receiving a character" rot errstring  -57 s" Error in sending or receiving a character" rot errstring
 -58 s" [IF], [ELSE], [THEN] error" rot errstring  -58 s" [IF], [ELSE], [THEN] error" rot errstring
   
   \ Gforth's errors:
   
   -2048 s" Cannot tick compile-only word (try COMP' ... DROP)" rot errstring
   -2049 s" Write to broken pipe" rot errstring
   
   variable next-exception -2050 next-exception !
   
   : exception ( addr u -- n ) \ exception- gforth
       \G @var{n} is a previously unused @code{throw} value in the range
       \G (-4095...-256). Consecutive calls to @code{exception} return
       \G consecutive decreasing numbers. Gforth uses the string
       \G @var{addr u} as an error message.
       next-exception @ errstring
       next-exception @
       -1 next-exception +! ;
   
   -2049 constant broken-pipe-error ( -- n ) \ gforth
   \G the error number for a broken pipe
   

Removed from v.1.8  
changed lines
  Added in v.1.18


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