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28bf4b0b | 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 | ** metaStateInfo.c | |
26 | */ | |
27 | ||
28 | # include "lclintMacros.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)); | |
12f2ffe9 | 40 | int i; |
28bf4b0b | 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; | |
12f2ffe9 | 49 | |
50 | for (i = 0; i < MTC_NUMCONTEXTS; i++) | |
51 | { | |
52 | res->defaultValue[i] = stateValue_error; | |
53 | } | |
28bf4b0b | 54 | |
55 | llassert (stateCombinationTable_size (res->sctable) | |
56 | == cstringList_size (res->valueNames)); | |
12f2ffe9 | 57 | |
28bf4b0b | 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 | sfree (msinfo); | |
71 | } | |
72 | } | |
73 | ||
74 | cstring metaStateInfo_unparse (metaStateInfo info) | |
75 | { | |
76 | llassert (metaStateInfo_isDefined (info)); | |
77 | return message ("%s: %q\n%q", info->name, | |
78 | cstringList_unparse (info->valueNames), | |
79 | stateCombinationTable_unparse (info->sctable)); | |
80 | } | |
81 | ||
82 | cstring metaStateInfo_unparseValue (metaStateInfo info, int value) | |
83 | { | |
84 | llassert (metaStateInfo_isDefined (info)); | |
85 | ||
86 | DPRINTF (("unparse value: %s / %d", | |
87 | metaStateInfo_unparse (info), value)); | |
88 | ||
89 | if (value < 0) | |
90 | { | |
91 | llassert (value == stateValue_error); | |
92 | return cstring_makeLiteralTemp ("error"); | |
93 | } | |
94 | ||
95 | llassert (value < cstringList_size (info->valueNames)); | |
96 | return cstringList_get (info->valueNames, value); | |
97 | } | |
98 | ||
99 | /*@observer@*/ mtContextNode metaStateInfo_getContext (metaStateInfo info) | |
100 | { | |
101 | llassert (metaStateInfo_isDefined (info)); | |
102 | return info->context; | |
103 | } | |
104 | ||
105 | /*@observer@*/ cstring metaStateInfo_getName (metaStateInfo info) | |
106 | { | |
107 | llassert (metaStateInfo_isDefined (info)); | |
108 | return info->name; | |
109 | } | |
110 | ||
111 | /*@observer@*/ fileloc metaStateInfo_getLoc (metaStateInfo info) | |
112 | { | |
113 | llassert (metaStateInfo_isDefined (info)); | |
114 | return info->loc; | |
115 | } | |
116 | ||
117 | extern /*@exposed@*/ stateCombinationTable | |
118 | metaStateInfo_getTransferTable (metaStateInfo info) /*@*/ | |
119 | { | |
120 | llassert (metaStateInfo_isDefined (info)); | |
121 | return info->sctable; | |
122 | } | |
123 | ||
124 | extern /*@exposed@*/ stateCombinationTable | |
125 | metaStateInfo_getMergeTable (metaStateInfo info) /*@*/ | |
126 | { | |
127 | llassert (metaStateInfo_isDefined (info)); | |
128 | return info->mergetable; | |
129 | } | |
130 | ||
12f2ffe9 | 131 | /*@+enumindex@*/ /* allow context kinds to reference array */ |
132 | extern int metaStateInfo_getDefaultValueContext (metaStateInfo info, mtContextKind context) | |
133 | { | |
134 | llassert (metaStateInfo_isDefined (info)); | |
135 | return info->defaultValue [context]; | |
136 | } | |
137 | ||
28bf4b0b | 138 | extern int metaStateInfo_getDefaultValue (metaStateInfo info, sRef s) |
139 | { | |
140 | llassert (metaStateInfo_isDefined (info)); | |
28bf4b0b | 141 | |
12f2ffe9 | 142 | if (sRef_isParam (s) |
143 | && (info->defaultValue [MTC_PARAM] != stateValue_error)) | |
144 | { | |
145 | return info->defaultValue [MTC_PARAM]; | |
146 | } | |
147 | else if (sRef_isResult (s) | |
148 | && (info->defaultValue [MTC_RESULT] != stateValue_error)) | |
28bf4b0b | 149 | { |
12f2ffe9 | 150 | return info->defaultValue [MTC_RESULT]; |
28bf4b0b | 151 | } |
12f2ffe9 | 152 | else if (sRef_isConst (s) |
153 | && (info->defaultValue [MTC_LITERAL] != stateValue_error)) | |
b072092f | 154 | { |
12f2ffe9 | 155 | return info->defaultValue [MTC_LITERAL]; |
b072092f | 156 | } |
28bf4b0b | 157 | else |
158 | { | |
b072092f | 159 | llassert (mtContextNode_matchesRef (metaStateInfo_getContext (info), s)); |
12f2ffe9 | 160 | return info->defaultValue [MTC_REFERENCE]; |
28bf4b0b | 161 | } |
162 | } | |
163 | ||
164 | extern int metaStateInfo_getDefaultGlobalValue (metaStateInfo info) | |
165 | { | |
166 | llassert (metaStateInfo_isDefined (info)); | |
12f2ffe9 | 167 | return info->defaultValue [MTC_REFERENCE]; |
28bf4b0b | 168 | } |
169 | ||
12f2ffe9 | 170 | void metaStateInfo_setDefaultValueContext (metaStateInfo info, mtContextKind context, int val) |
28bf4b0b | 171 | { |
172 | llassert (metaStateInfo_isDefined (info)); | |
12f2ffe9 | 173 | /*@-type@*/ llassert (context >= 0 && context < MTC_NUMCONTEXTS); /*@=type@*/ |
174 | llassert (metaStateInfo_getDefaultValueContext (info, context) == stateValue_error); | |
175 | info->defaultValue [context] = val; | |
176 | } | |
177 | /*@=enumindex@*/ | |
178 | \ | |
179 | void metaStateInfo_setDefaultRefValue (metaStateInfo info, int val) | |
180 | { | |
181 | metaStateInfo_setDefaultValueContext (info, MTC_REFERENCE, val); | |
28bf4b0b | 182 | } |
183 | ||
b072092f | 184 | void metaStateInfo_setDefaultResultValue (metaStateInfo info, int val) |
185 | { | |
12f2ffe9 | 186 | metaStateInfo_setDefaultValueContext (info, MTC_RESULT, val); |
b072092f | 187 | } |
188 | ||
28bf4b0b | 189 | void metaStateInfo_setDefaultParamValue (metaStateInfo info, int val) |
190 | { | |
12f2ffe9 | 191 | metaStateInfo_setDefaultValueContext (info, MTC_PARAM, val); |
28bf4b0b | 192 | } |
193 | ||
194 | int metaStateInfo_getDefaultRefValue (metaStateInfo info) | |
195 | { | |
12f2ffe9 | 196 | return metaStateInfo_getDefaultValueContext (info, MTC_REFERENCE); |
28bf4b0b | 197 | } |
198 | ||
b072092f | 199 | int metaStateInfo_getDefaultResultValue (metaStateInfo info) |
200 | { | |
12f2ffe9 | 201 | return metaStateInfo_getDefaultValueContext (info, MTC_RESULT); |
b072092f | 202 | } |
203 | ||
28bf4b0b | 204 | int metaStateInfo_getDefaultParamValue (metaStateInfo info) |
205 | { | |
12f2ffe9 | 206 | return metaStateInfo_getDefaultValueContext (info, MTC_PARAM); |
28bf4b0b | 207 | } |
12f2ffe9 | 208 |