version 1.11, 2002/12/04 16:56:31
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version 1.18, 2012/02/13 22:26:50
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\ assertions |
\ assertions |
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\ Copyright (C) 1995,1996,1997,1999 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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require source.fs |
require source.fs |
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Line 24 variable assert-level ( -- a-addr ) \ gf
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Line 23 variable assert-level ( -- a-addr ) \ gf
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\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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: (end-assert) ( flag nfile nline -- ) \ gforth-internal |
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rot if |
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2drop |
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else |
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.sourcepos ." : failed assertion" |
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true abort" assertion failed" \ !! or use a new throw code? |
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then ; |
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: assert) ( -- ) |
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compile-sourcepos POSTPONE (end-assert) ; |
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6 Constant assert-canary |
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: 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 ( |
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else |
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['] assert) assert-canary |
then ; |
then ; |
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: ) ( -- ) \ gforth close-paren |
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\G End an assertion. Generic end, can be used for other similar purposes |
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assert-canary <> abort" unmatched assertion" |
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execute ; immediate |
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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 @code{assert1(} |
\G Equivalent to @code{assert1(} |
POSTPONE assert1( ; immediate |
POSTPONE assert1( ; immediate compile-only |
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: (end-assert) ( flag nfile nline -- ) \ gforth-internal |
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rot if |
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2drop |
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else |
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.sourcepos ." : failed assertion" |
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true abort" assertion failed" \ !! or use a new throw code? |
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then ; |
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: ) ( -- ) \ gforth close-paren |
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\G End an assertion. |
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compile-sourcepos POSTPONE (end-assert) ; immediate |
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