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

version 1.8, 1999/03/23 20:24:16 version 1.18, 2012/02/13 22:26:50
Line 1 Line 1
 \ assertions  \ assertions
   
 \ Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1999,2002,2003,2007,2010 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.  
   
 require source.fs  require source.fs
   
Line 24  variable assert-level ( -- a-addr ) \ gf Line 23  variable assert-level ( -- a-addr ) \ gf
 \G All assertions above this level are turned off.  \G All assertions above this level are turned off.
 1 assert-level !  1 assert-level !
   
   : (end-assert) ( flag nfile nline -- ) \ gforth-internal
       rot if
           2drop
       else
           .sourcepos ." : failed assertion"
           true abort" assertion failed" \ !! or use a new throw code?
       then ;
   
   : assert) ( -- )
       compile-sourcepos POSTPONE (end-assert) ;
   
   6 Constant assert-canary
   
 : assertn ( n -- ) \ gforth assert-n  : assertn ( n -- ) \ gforth assert-n
     \ this is internal (it is not immediate)      \ this is internal (it is not immediate)
     assert-level @ >      assert-level @ >
     if      if
         POSTPONE (          POSTPONE (
       else
           ['] assert) assert-canary
     then ;      then ;
   
   : )  ( -- ) \ gforth    close-paren
       \G End an assertion. Generic end, can be used for other similar purposes
       assert-canary <> abort" unmatched assertion"
       execute ; immediate
   
 : assert0( ( -- ) \ gforth assert-zero  : assert0( ( -- ) \ gforth assert-zero
     \G Important assertions that should always be turned on.      \G Important assertions that should always be turned on.
     0 assertn ; immediate      0 assertn ; immediate compile-only
 : assert1( ( -- ) \ gforth assert-one  : assert1( ( -- ) \ gforth assert-one
     \G Normal assertions; turned on by default.      \G Normal assertions; turned on by default.
     1 assertn ; immediate      1 assertn ; immediate compile-only
 : assert2( ( -- ) \ gforth assert-two  : assert2( ( -- ) \ gforth assert-two
     \G Debugging assertions.      \G Debugging assertions.
     2 assertn ; immediate      2 assertn ; immediate compile-only
 : assert3( ( -- ) \ gforth assert-three  : assert3( ( -- ) \ gforth assert-three
     \G Slow assertions that you may not want to turn on in normal debugging;      \G Slow assertions that you may not want to turn on in normal debugging;
     \G you would turn them on mainly for thorough checking.      \G you would turn them on mainly for thorough checking.
     3 assertn ; immediate      3 assertn ; immediate compile-only
 : assert( ( -- ) \ gforth  : assert( ( -- ) \ gforth
     \G Equivalent to @code{assert1(}      \G Equivalent to @code{assert1(}
     POSTPONE assert1( ; immediate      POSTPONE assert1( ; immediate compile-only
   
 : (endassert) ( flag -- ) \ gforth-internal  
     \ inline argument sourcepos  
     if  
         r> sourcepos %size + >r EXIT  
     else  
         r> print-sourcepos ." : failed assertion"  
         true abort" assertion failed" \ !! or use a new throw code?  
     then ;  
   
 : ) ( -- ) \ gforth     close-paren  
     \G End an assertion.  
     POSTPONE (endassert) sourcepos, ; immediate  

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


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