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28bf4b0b | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
c59f5181 | 3 | ** Copyright (C) 1994-2003 University of Virginia, |
28bf4b0b | 4 | ** Massachusetts Institute of Technology |
5 | ** | |
6 | ** This program is free software; you can redistribute it and/or modify it | |
7 | ** under the terms of the GNU General Public License as published by the | |
8 | ** Free Software Foundation; either version 2 of the License, or (at your | |
9 | ** option) any later version. | |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, but | |
12 | ** WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ** General Public License for more details. | |
15 | ** | |
16 | ** The GNU General Public License is available from http://www.gnu.org/ or | |
17 | ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | ** MA 02111-1307, USA. | |
19 | ** | |
155af98d | 20 | ** For information on splint: info@splint.org |
21 | ** To report a bug: splint-bug@splint.org | |
11db3170 | 22 | ** For more information: http://www.splint.org |
28bf4b0b | 23 | */ |
24 | /* | |
25 | ** modifiesClause.c | |
26 | */ | |
27 | ||
1b8ae690 | 28 | # include "splintMacros.nf" |
28bf4b0b | 29 | # include "basic.h" |
30 | ||
31 | extern modifiesClause | |
32 | modifiesClause_createNoMods (lltok tok) | |
33 | { | |
34 | modifiesClause res = (modifiesClause) dmalloc (sizeof (*res)); | |
35 | ||
36 | res->isnomods = TRUE; | |
37 | res->srs = sRefSet_undefined; | |
38 | ||
39 | res->loc = fileloc_copy (lltok_getLoc (tok)); | |
80489f0a | 40 | lltok_free (tok); |
28bf4b0b | 41 | |
42 | return res; | |
43 | } | |
44 | ||
45 | extern modifiesClause | |
46 | modifiesClause_create (lltok tok, sRefSet rfs) | |
47 | { | |
48 | modifiesClause res = (modifiesClause) dmalloc (sizeof (*res)); | |
49 | ||
50 | res->isnomods = FALSE; | |
51 | res->srs = rfs; | |
52 | ||
53 | res->loc = fileloc_copy (lltok_getLoc (tok)); | |
80489f0a | 54 | lltok_free (tok); |
28bf4b0b | 55 | |
56 | return res; | |
57 | } | |
58 | ||
59 | extern void modifiesClause_free (modifiesClause mclause) | |
60 | { | |
61 | sRefSet_free (mclause->srs); | |
62 | fileloc_free (mclause->loc); | |
63 | sfree (mclause); | |
64 | } | |
65 | ||
66 | extern cstring modifiesClause_unparse (modifiesClause node) | |
67 | { | |
68 | if (node->isnomods) | |
69 | { | |
70 | return cstring_makeLiteral ("modifies nothing"); | |
71 | } | |
72 | else | |
73 | { | |
74 | return message ("modifies %q", sRefSet_unparse (node->srs)); | |
75 | } | |
76 | } | |
77 | ||
78 | extern sRefSet modifiesClause_getMods (modifiesClause m) | |
79 | { | |
80 | llassert (!m->isnomods); | |
81 | return m->srs; | |
82 | } | |
83 | ||
84 | extern sRefSet modifiesClause_takeMods (modifiesClause m) | |
85 | { | |
86 | sRefSet mods; | |
87 | llassert (!m->isnomods); | |
88 | mods = m->srs; | |
89 | m->srs = sRefSet_undefined; | |
90 | return mods; | |
91 | } |