File:
[gforth] /
gforth /
assert.fs
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1.3:
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Mon Mar 13 09:17:23 1995 UTC (29 years ago) by
anton
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MAIN
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Added stuff for documenting Forth source and integrating it into the texi file
changed checks for DOMAINOS to checks for apollo (which is defined on apollos)
changed "-evaluate" (which did not work anyway) to "--evaluate"
added debugging.fs and assert.fs to startup.fs
1: \ assertions
2:
3: \ !! factor out line number printing, share with debugging.fs
4:
5: variable assert-level ( -- a-addr ) \ new
6: \G all assertions above this level are turned off
7: 1 assert-level !
8:
9: : assertn ( n -- ) \ new
10: \ this is internal (it is not immediate)
11: assert-level @ >
12: if
13: POSTPONE (
14: then ;
15:
16: : assert0( ( -- ) \ new
17: \G important assertions that should always be turned on
18: 0 assertn ; immediate
19: : assert1( ( -- ) \ new
20: \G normal assertions; turned on by default
21: 1 assertn ; immediate
22: : assert2( ( -- ) \ new
23: \G debugging assertions
24: 2 assertn ; immediate
25: : assert3( ( -- ) \ new
26: \G slow assertions that you may not want to turn on in normal debugging;
27: \G you would turn them on mainly for thorough checking
28: 3 assertn ; immediate
29: : assert( ( -- ) \ new
30: \G equivalent to assert1(
31: POSTPONE assert1( ; immediate
32:
33: : (endassert) ( flag -- ) \ new
34: \ three inline arguments
35: if
36: r> 3 cells + >r EXIT
37: else
38: r>
39: dup 2@ type ." :" cell+ cell+
40: @ 0 .r ." : failed assertion"
41: true abort" assertion failed" \ !! or use a new throw code?
42: then ;
43:
44: : ) ( -- ) \ new
45: POSTPONE (endassert) loadfilename 2@ 2, loadline @ , ; immediate
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