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1 | /* | |
2 | ** LCLint - annotation-assisted static program checker | |
3 | ** Copyright (C) 1994-2001 University of Virginia, | |
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 | ** | |
20 | ** For information on lclint: lclint-request@cs.virginia.edu | |
21 | ** To report a bug: lclint-bug@cs.virginia.edu | |
22 | ** For more information: http://lclint.cs.virginia.edu | |
23 | */ | |
24 | /* | |
25 | ** metaStateExpression.c | |
26 | */ | |
27 | ||
28 | # include "lclintMacros.nf" | |
29 | # include "basic.h" | |
30 | ||
31 | metaStateExpression | |
32 | metaStateExpression_create (/*@only@*/ metaStateSpecifier spec) | |
33 | { | |
34 | metaStateExpression res = (metaStateExpression) dmalloc (sizeof (*res)); | |
35 | res->spec = spec; | |
36 | res->rest = NULL; | |
37 | return res; | |
38 | } | |
39 | ||
40 | metaStateExpression | |
41 | metaStateExpression_createMerge (/*@only@*/ metaStateSpecifier spec, /*@only@*/ metaStateExpression exp) | |
42 | { | |
43 | metaStateExpression res = (metaStateExpression) dmalloc (sizeof (*res)); | |
44 | res->spec = spec; | |
45 | res->rest = exp; | |
46 | return res; | |
47 | } | |
48 | ||
49 | cstring metaStateExpression_unparse (metaStateExpression m) | |
50 | { | |
51 | llassert (m != NULL); | |
52 | ||
53 | if (m->rest != NULL) | |
54 | { | |
55 | return message ("%q | %q", | |
56 | metaStateSpecifier_unparse (m->spec), | |
57 | metaStateExpression_unparse (m->rest)); | |
58 | ||
59 | } | |
60 | else | |
61 | { | |
62 | return metaStateSpecifier_unparse (m->spec); | |
63 | } | |
64 | } | |
65 | ||
66 | metaStateExpression metaStateExpression_copy (metaStateExpression m) | |
67 | { | |
68 | if (m == NULL) return NULL; | |
69 | ||
70 | if (m->rest != NULL) | |
71 | { | |
72 | return metaStateExpression_createMerge (metaStateSpecifier_copy (m->spec), | |
73 | metaStateExpression_copy (m->rest)); | |
74 | ||
75 | } | |
76 | else | |
77 | { | |
78 | return metaStateExpression_create (metaStateSpecifier_copy (m->spec)); | |
79 | } | |
80 | } | |
81 | ||
82 | metaStateSpecifier metaStateExpression_getSpecifier (metaStateExpression m) | |
83 | { | |
84 | llassert (m != NULL); | |
85 | return m->spec; | |
86 | } | |
87 | ||
88 | bool metaStateExpression_isMerge (metaStateExpression m) | |
89 | { | |
90 | return (metaStateExpression_isDefined (m) | |
91 | && metaStateExpression_isDefined (m->rest)); | |
92 | } | |
93 | ||
94 | /*@observer@*/ metaStateExpression metaStateExpression_getRest (metaStateExpression m) | |
95 | { | |
96 | llassert (m != NULL); | |
97 | return m->rest; | |
98 | } | |
99 | ||
100 | void metaStateExpression_free (/*@only@*/ metaStateExpression m) | |
101 | { | |
102 | llassert (m != NULL); | |
103 | ||
104 | metaStateSpecifier_free (m->spec); | |
105 | ||
106 | if (m->rest != NULL) { | |
107 | metaStateExpression_free (m->rest); | |
108 | } | |
109 | ||
110 | sfree (m); | |
111 | } | |
112 |