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1 | /* | |
2 | ** Splint - annotation-assisted static program checker | |
3 | ** Copyright (C) 1994-2002 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 splint: info@splint.org | |
21 | ** To report a bug: splint-bug@splint.org | |
22 | ** For more information: http://www.splint.org | |
23 | */ | |
24 | /* | |
25 | ** metaStateInfo.c | |
26 | */ | |
27 | ||
28 | # include "splintMacros.nf" | |
29 | # include "basic.h" | |
30 | ||
31 | /*@notnull@*/ metaStateInfo | |
32 | metaStateInfo_create (cstring name, | |
33 | cstringList valueNames, | |
34 | mtContextNode context, | |
35 | stateCombinationTable sctable, | |
36 | stateCombinationTable mergetable, | |
37 | fileloc loc) | |
38 | { | |
39 | metaStateInfo res = (metaStateInfo) dmalloc (sizeof (*res)); | |
40 | int i; | |
41 | ||
42 | res->name = name; | |
43 | res->valueNames = valueNames; | |
44 | res->context = context; | |
45 | ||
46 | res->sctable = sctable; | |
47 | res->mergetable = mergetable; | |
48 | res->loc = loc; | |
49 | ||
50 | for (i = 0; i < MTC_NUMCONTEXTS; i++) | |
51 | { | |
52 | res->defaultValue[i] = stateValue_error; | |
53 | } | |
54 | ||
55 | llassert (stateCombinationTable_size (res->sctable) | |
56 | == cstringList_size (res->valueNames)); | |
57 | ||
58 | return res; | |
59 | } | |
60 | ||
61 | void metaStateInfo_free (/*@only@*/ metaStateInfo msinfo) | |
62 | { | |
63 | if (metaStateInfo_isDefined (msinfo)) | |
64 | { | |
65 | cstring_free (msinfo->name); | |
66 | cstringList_free (msinfo->valueNames); | |
67 | stateCombinationTable_free (msinfo->sctable); | |
68 | stateCombinationTable_free (msinfo->mergetable); | |
69 | fileloc_free (msinfo->loc); | |
70 | mtContextNode_free (msinfo->context); /* evans 2002-01-03 */ | |
71 | sfree (msinfo); | |
72 | } | |
73 | } | |
74 | ||
75 | cstring metaStateInfo_unparse (metaStateInfo info) | |
76 | { | |
77 | llassert (metaStateInfo_isDefined (info)); | |
78 | return message ("%s: %q\n%q", info->name, | |
79 | cstringList_unparse (info->valueNames), | |
80 | stateCombinationTable_unparse (info->sctable)); | |
81 | } | |
82 | ||
83 | cstring metaStateInfo_unparseValue (metaStateInfo info, int value) | |
84 | { | |
85 | llassert (metaStateInfo_isDefined (info)); | |
86 | ||
87 | DPRINTF (("unparse value: %s / %d", | |
88 | metaStateInfo_unparse (info), value)); | |
89 | ||
90 | if (value < 0) | |
91 | { | |
92 | llassert (value == stateValue_error); | |
93 | return cstring_makeLiteralTemp ("error"); | |
94 | } | |
95 | ||
96 | llassert (value < cstringList_size (info->valueNames)); | |
97 | return cstringList_get (info->valueNames, value); | |
98 | } | |
99 | ||
100 | /*@observer@*/ mtContextNode metaStateInfo_getContext (metaStateInfo info) | |
101 | { | |
102 | llassert (metaStateInfo_isDefined (info)); | |
103 | return info->context; | |
104 | } | |
105 | ||
106 | /*@observer@*/ cstring metaStateInfo_getName (metaStateInfo info) | |
107 | { | |
108 | llassert (metaStateInfo_isDefined (info)); | |
109 | return info->name; | |
110 | } | |
111 | ||
112 | /*@observer@*/ fileloc metaStateInfo_getLoc (metaStateInfo info) | |
113 | { | |
114 | llassert (metaStateInfo_isDefined (info)); | |
115 | return info->loc; | |
116 | } | |
117 | ||
118 | extern /*@exposed@*/ stateCombinationTable | |
119 | metaStateInfo_getTransferTable (metaStateInfo info) /*@*/ | |
120 | { | |
121 | llassert (metaStateInfo_isDefined (info)); | |
122 | return info->sctable; | |
123 | } | |
124 | ||
125 | extern /*@exposed@*/ stateCombinationTable | |
126 | metaStateInfo_getMergeTable (metaStateInfo info) /*@*/ | |
127 | { | |
128 | llassert (metaStateInfo_isDefined (info)); | |
129 | return info->mergetable; | |
130 | } | |
131 | ||
132 | /*@+enumindex@*/ /* allow context kinds to reference array */ | |
133 | extern int metaStateInfo_getDefaultValueContext (metaStateInfo info, mtContextKind context) | |
134 | { | |
135 | llassert (metaStateInfo_isDefined (info)); | |
136 | return info->defaultValue [context]; | |
137 | } | |
138 | ||
139 | extern int metaStateInfo_getDefaultValue (metaStateInfo info, sRef s) | |
140 | { | |
141 | llassert (metaStateInfo_isDefined (info)); | |
142 | ||
143 | if (sRef_isParam (s) | |
144 | && (info->defaultValue [MTC_PARAM] != stateValue_error)) | |
145 | { | |
146 | return info->defaultValue [MTC_PARAM]; | |
147 | } | |
148 | else if (sRef_isResult (s) | |
149 | && (info->defaultValue [MTC_RESULT] != stateValue_error)) | |
150 | { | |
151 | return info->defaultValue [MTC_RESULT]; | |
152 | } | |
153 | else if (sRef_isConst (s) | |
154 | && (info->defaultValue [MTC_LITERAL] != stateValue_error)) | |
155 | { | |
156 | return info->defaultValue [MTC_LITERAL]; | |
157 | } | |
158 | else | |
159 | { | |
160 | llassert (mtContextNode_matchesRef (metaStateInfo_getContext (info), s)); | |
161 | return info->defaultValue [MTC_REFERENCE]; | |
162 | } | |
163 | } | |
164 | ||
165 | extern int metaStateInfo_getDefaultGlobalValue (metaStateInfo info) | |
166 | { | |
167 | llassert (metaStateInfo_isDefined (info)); | |
168 | return info->defaultValue [MTC_REFERENCE]; | |
169 | } | |
170 | ||
171 | void metaStateInfo_setDefaultValueContext (metaStateInfo info, mtContextKind context, int val) | |
172 | { | |
173 | llassert (metaStateInfo_isDefined (info)); | |
174 | /*@-type@*/ llassert (context >= 0 && context < MTC_NUMCONTEXTS); /*@=type@*/ | |
175 | llassert (metaStateInfo_getDefaultValueContext (info, context) == stateValue_error); | |
176 | info->defaultValue [context] = val; | |
177 | } | |
178 | /*@=enumindex@*/ | |
179 | \ | |
180 | void metaStateInfo_setDefaultRefValue (metaStateInfo info, int val) | |
181 | { | |
182 | metaStateInfo_setDefaultValueContext (info, MTC_REFERENCE, val); | |
183 | } | |
184 | ||
185 | void metaStateInfo_setDefaultResultValue (metaStateInfo info, int val) | |
186 | { | |
187 | metaStateInfo_setDefaultValueContext (info, MTC_RESULT, val); | |
188 | } | |
189 | ||
190 | void metaStateInfo_setDefaultParamValue (metaStateInfo info, int val) | |
191 | { | |
192 | metaStateInfo_setDefaultValueContext (info, MTC_PARAM, val); | |
193 | } | |
194 | ||
195 | int metaStateInfo_getDefaultRefValue (metaStateInfo info) | |
196 | { | |
197 | return metaStateInfo_getDefaultValueContext (info, MTC_REFERENCE); | |
198 | } | |
199 | ||
200 | int metaStateInfo_getDefaultResultValue (metaStateInfo info) | |
201 | { | |
202 | return metaStateInfo_getDefaultValueContext (info, MTC_RESULT); | |
203 | } | |
204 | ||
205 | int metaStateInfo_getDefaultParamValue (metaStateInfo info) | |
206 | { | |
207 | return metaStateInfo_getDefaultValueContext (info, MTC_PARAM); | |
208 | } | |
209 |