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616915dd | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
77d37419 | 3 | ** Copyright (C) 1994-2002 University of Virginia, |
616915dd | 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 |
616915dd | 23 | */ |
24 | /* | |
25 | ** sRefTable.c | |
26 | ** | |
27 | ** based on table_template.c | |
28 | ** | |
29 | ** where T has T_equal (or change this) and T_unparse | |
30 | */ | |
31 | ||
1b8ae690 | 32 | # include "splintMacros.nf" |
616915dd | 33 | # include "basic.h" |
34 | # include "sRefTable.h" | |
35 | ||
36 | static /*@notnull@*/ /*@only@*/ sRefTable | |
37 | sRefTable_new (void) | |
38 | { | |
39 | sRefTable s = (sRefTable) dmalloc (sizeof (*s)); | |
40 | ||
41 | s->entries = 0; | |
42 | s->nspace = sRefTableBASESIZE; | |
43 | s->elements = (sRef *) dmalloc (sizeof (*s->elements) * sRefTableBASESIZE); | |
44 | ||
45 | return (s); | |
46 | } | |
47 | ||
48 | static void | |
49 | sRefTable_grow (/*@notnull@*/ sRefTable s) | |
50 | { | |
51 | int i; | |
52 | sRef *newelements; | |
53 | ||
54 | s->nspace = sRefTableBASESIZE; | |
55 | newelements = (sRef *) dmalloc (sizeof (*newelements) * (s->entries + s->nspace)); | |
56 | ||
57 | for (i = 0; i < s->entries; i++) | |
58 | { | |
59 | newelements[i] = s->elements[i]; | |
60 | } | |
61 | ||
62 | sfree (s->elements); | |
63 | s->elements = newelements; | |
64 | } | |
65 | ||
66 | sRefTable | |
67 | sRefTable_add (sRefTable s, /*@owned@*/ sRef el) | |
68 | { | |
69 | if (sRefTable_isNull (s)) | |
70 | { | |
71 | s = sRefTable_new (); | |
72 | } | |
73 | ||
74 | if (s->nspace <= 0) | |
75 | { | |
76 | sRefTable_grow (s); | |
77 | } | |
78 | ||
79 | s->nspace--; | |
80 | ||
81 | llassert (s->elements != NULL); | |
82 | s->elements[s->entries] = el; | |
28bf4b0b | 83 | DPRINTF (("Adding to sRef table: [%p]", el)); |
616915dd | 84 | |
85 | s->entries++; | |
616915dd | 86 | return s; |
87 | } | |
88 | ||
89 | void | |
90 | sRefTable_clear (sRefTable s) | |
91 | { | |
92 | if (sRefTable_isDefined (s)) | |
93 | { | |
94 | int i; | |
95 | ||
96 | for (i = 0; i < s->entries; i++) | |
97 | { | |
28bf4b0b | 98 | DPRINTF (("Table clear: [%p] %s", s->elements[i], sRef_unparseDebug (s->elements[i]))); |
99 | /* sRef_checkValid (s->elements[i]); */ | |
100 | sRef_free (s->elements[i]); | |
616915dd | 101 | } |
28bf4b0b | 102 | |
616915dd | 103 | s->nspace += s->entries; |
104 | s->entries = 0; | |
105 | } | |
106 | } | |
107 | ||
108 | static int sRefTable_size (sRefTable s) | |
109 | { | |
110 | if (sRefTable_isNull (s)) return 0; | |
111 | return s->entries; | |
112 | } | |
113 | ||
114 | /*@only@*/ cstring | |
115 | sRefTable_unparse (sRefTable s) | |
116 | { | |
117 | int i; | |
118 | cstring st = cstring_undefined; | |
119 | ||
120 | if (sRefTable_isDefined (s)) | |
121 | { | |
122 | for (i = 0; i < sRefTable_size (s); i++) | |
123 | { | |
124 | if (i == 0) | |
125 | st = message ("%4d. %q\n", i, sRef_unparse (s->elements[i])); | |
126 | else | |
127 | st = message ("%q%4d. %q\n", st, i, sRef_unparse (s->elements[i])); | |
128 | } | |
129 | } | |
130 | return st; | |
131 | } | |
132 | ||
133 | void | |
134 | sRefTable_free (/*@only@*/ sRefTable s) | |
135 | { | |
136 | if (sRefTable_isDefined (s)) | |
137 | { | |
138 | int i; | |
139 | ||
140 | for (i = 0; i < s->entries; i++) | |
141 | { | |
28bf4b0b | 142 | DPRINTF (("Table free: [%p] %s", s->elements[i], sRef_unparse (s->elements[i]))); |
616915dd | 143 | sRef_free (s->elements[i]); |
144 | } | |
145 | ||
146 | sfree (s->elements); | |
147 | sfree (s); | |
148 | } | |
149 | } | |
150 |