version 1.2, 1995/01/12 18:37:48
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version 1.15, 2007/12/31 19:02:24
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\ assertions |
\ assertions |
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\ !! factor out line number printing, share with debugging.fs |
\ Copyright (C) 1995,1996,1997,1999,2002,2003,2007 Free Software Foundation, Inc. |
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variable assert-level \ all assertions above this level are turned off |
\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation, either version 3 |
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\ 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, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program. If not, see http://www.gnu.org/licenses/. |
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require source.fs |
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variable assert-level ( -- a-addr ) \ gforth |
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\G All assertions above this level are turned off. |
1 assert-level ! |
1 assert-level ! |
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: assertn ( 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 ( |
then ; |
then ; |
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: assert0( ( -- ) |
: assert0( ( -- ) \ gforth assert-zero |
\ important assertions that should always be turned on |
\G Important assertions that should always be turned on. |
0 assertn ; immediate |
0 assertn ; immediate |
: assert1( ( -- ) |
: assert1( ( -- ) \ gforth assert-one |
\ normal assertions; turned on by default |
\G Normal assertions; turned on by default. |
1 assertn ; immediate |
1 assertn ; immediate |
: assert2( ( -- ) |
: assert2( ( -- ) \ gforth assert-two |
\ debugging assertions |
\G Debugging assertions. |
2 assertn ; immediate |
2 assertn ; immediate |
: assert3( ( -- ) |
: assert3( ( -- ) \ gforth assert-three |
\ 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; |
\ 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 |
: assert( ( -- ) |
: assert( ( -- ) \ gforth |
\ equivalent to assert1( |
\G Equivalent to @code{assert1(} |
POSTPONE assert1( ; immediate |
POSTPONE assert1( ; immediate |
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: (endassert) ( flag -- ) |
: (end-assert) ( flag nfile nline -- ) \ gforth-internal |
\ three inline arguments |
rot if |
if |
2drop |
r> 3 cells + >r EXIT |
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else |
else |
r> |
.sourcepos ." : failed assertion" |
dup 2@ type ." :" cell+ cell+ |
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@ 0 .r ." : failed assertion" |
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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 |
POSTPONE (endassert) loadfilename 2@ 2, loadline @ , ; immediate |
\G End an assertion. |
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compile-sourcepos POSTPONE (end-assert) ; immediate |