version 1.6, 1997/07/31 16:17:06
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version 1.17, 2010/12/31 18:09:02
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\ assertions |
\ assertions |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1999,2002,2003,2007,2010 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ 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. |
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\ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
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\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
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\ 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. |
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require source.fs |
require source.fs |
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variable assert-level ( -- a-addr ) \ gforth |
variable assert-level ( -- a-addr ) \ gforth |
\G all assertions above this level are turned off |
\G All assertions above this level are turned off. |
1 assert-level ! |
1 assert-level ! |
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: assertn ( n -- ) \ gforth assert-n |
: assertn ( n -- ) \ gforth assert-n |
Line 32 variable assert-level ( -- a-addr ) \ gf
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Line 31 variable assert-level ( -- a-addr ) \ gf
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then ; |
then ; |
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: 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 assert1( |
\G Equivalent to @code{assert1(} |
POSTPONE assert1( ; immediate |
POSTPONE assert1( ; immediate compile-only |
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: (endassert) ( flag -- ) \ gforth-internal |
: (end-assert) ( flag nfile nline -- ) \ gforth-internal |
\ inline argument sourcepos |
rot if |
if |
2drop |
r> sourcepos %size + >r EXIT |
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else |
else |
r> print-sourcepos ." : failed assertion" |
.sourcepos ." : failed assertion" |
true abort" assertion failed" \ !! or use a new throw code? |
true abort" assertion failed" \ !! or use a new throw code? |
then ; |
then ; |
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: ) ( -- ) \ gforth close-paren |
: ) ( -- ) \ gforth close-paren |
\G end an assertion |
\G End an assertion. |
POSTPONE (endassert) sourcepos, ; immediate |
compile-sourcepos POSTPONE (end-assert) ; immediate |