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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 | ** annotationInfo.c | |
26 | */ | |
27 | ||
28 | # include "lclintMacros.nf" | |
29 | # include "basic.h" | |
28bf4b0b | 30 | |
31 | annotationInfo annotationInfo_create (cstring name, | |
32 | metaStateInfo state, mtContextNode context, | |
33 | int value, fileloc loc) | |
34 | { | |
35 | annotationInfo res = (annotationInfo) dmalloc (sizeof (*res)); | |
36 | ||
37 | res->name = name; | |
38 | res->state = state; | |
39 | res->context = context; | |
40 | res->value = value; | |
41 | res->loc = loc; | |
42 | ||
43 | return res; | |
44 | } | |
45 | ||
46 | void annotationInfo_free (annotationInfo ainfo) | |
47 | { | |
48 | if (annotationInfo_isDefined (ainfo)) | |
49 | { | |
50 | cstring_free (ainfo->name); | |
51 | fileloc_free (ainfo->loc); | |
52 | sfree (ainfo); | |
53 | } | |
54 | } | |
55 | ||
56 | cstring annotationInfo_getName (annotationInfo ainfo) | |
57 | { | |
58 | llassert (annotationInfo_isDefined (ainfo)); | |
59 | return ainfo->name; | |
60 | } | |
61 | ||
62 | /*@observer@*/ cstring annotationInfo_unparse (annotationInfo ainfo) | |
63 | { | |
64 | return annotationInfo_getName (ainfo); | |
65 | } | |
66 | ||
67 | /*@observer@*/ metaStateInfo annotationInfo_getState (annotationInfo a) /*@*/ | |
68 | { | |
69 | llassert (annotationInfo_isDefined (a)); | |
70 | return a->state; | |
71 | } | |
72 | ||
73 | /*@observer@*/ fileloc annotationInfo_getLoc (annotationInfo ainfo) /*@*/ | |
74 | { | |
75 | llassert (annotationInfo_isDefined (ainfo)); | |
76 | return ainfo->loc; | |
77 | } | |
78 | ||
79 | int annotationInfo_getValue (annotationInfo a) /*@*/ | |
80 | { | |
81 | llassert (annotationInfo_isDefined (a)); | |
82 | return a->value; | |
83 | } | |
84 | ||
85 | ||
86 | bool annotationInfo_matchesContext (annotationInfo a, uentry ue) | |
87 | { | |
88 | /* | |
89 | ** Returns true iff the annotation context matches the uentry. | |
90 | */ | |
91 | ||
92 | mtContextNode mcontext; | |
93 | ||
94 | llassert (annotationInfo_isDefined (a)); | |
95 | mcontext = a->context; | |
96 | ||
97 | if (mtContextNode_matchesEntry (mcontext, ue)) | |
98 | { | |
99 | /* Matches annotation context, must also match meta state context. */ | |
100 | metaStateInfo minfo = a->state; | |
101 | ||
102 | if (mtContextNode_matchesEntry (metaStateInfo_getContext (minfo), ue)) | |
103 | { | |
104 | return TRUE; | |
105 | } | |
106 | else | |
107 | { | |
108 | return FALSE; | |
109 | } | |
110 | } | |
111 | else | |
112 | { | |
113 | return FALSE; | |
114 | } | |
115 | } | |
116 | ||
117 | bool annotationInfo_matchesContextRef (annotationInfo a, sRef sr) | |
118 | { | |
119 | /* | |
120 | ** Returns true iff the annotation context matches the uentry. | |
121 | */ | |
122 | ||
123 | mtContextNode mcontext; | |
124 | ||
125 | llassert (annotationInfo_isDefined (a)); | |
126 | mcontext = a->context; | |
127 | ||
128 | if (mtContextNode_matchesRef (mcontext, sr)) | |
129 | { | |
130 | /* Matches annotation context, must also match meta state context. */ | |
131 | metaStateInfo minfo = a->state; | |
132 | ||
133 | if (mtContextNode_matchesRef (metaStateInfo_getContext (minfo), sr)) | |
134 | { | |
135 | return TRUE; | |
136 | } | |
137 | else | |
138 | { | |
139 | return FALSE; | |
140 | } | |
141 | } | |
142 | else | |
143 | { | |
144 | return FALSE; | |
145 | } | |
146 | } | |
147 | ||
148 | cstring annotationInfo_dump (annotationInfo ainfo) | |
149 | { | |
150 | llassert (annotationInfo_isDefined (ainfo)); | |
151 | return ainfo->name; | |
152 | } | |
153 | ||
154 | /*@observer@*/ annotationInfo annotationInfo_undump (char **s) | |
155 | { | |
156 | cstring mname = reader_readUntil (s, '.'); | |
157 | annotationInfo ainfo; | |
158 | ||
159 | llassert (cstring_isDefined (mname)); | |
160 | ainfo = context_lookupAnnotation (mname); | |
161 | ||
162 | if (annotationInfo_isUndefined (ainfo)) | |
163 | { | |
164 | llfatalerrorLoc | |
165 | (message ("Library uses undefined annotation %s. Must use same -mts flags as when library was created.", | |
166 | mname)); | |
167 | } | |
168 | else | |
169 | { | |
170 | cstring_free (mname); | |
171 | return ainfo; | |
172 | } | |
173 | ||
8250fa4a | 174 | BADBRANCHRET (annotationInfo_undefined); |
28bf4b0b | 175 | } |
b7e84605 | 176 | |
177 | void annotationInfo_showContextRefError (annotationInfo a, sRef sr) | |
178 | { | |
179 | mtContextNode mcontext; | |
180 | llassert (!annotationInfo_matchesContextRef (a, sr)); | |
181 | llassert (annotationInfo_isDefined (a)); | |
182 | mcontext = a->context; | |
183 | ||
184 | if (mtContextNode_matchesRef (mcontext, sr)) | |
185 | { | |
186 | /* Matches annotation context, must also match meta state context. */ | |
187 | metaStateInfo minfo = a->state; | |
188 | ||
189 | if (mtContextNode_matchesRef (metaStateInfo_getContext (minfo), sr)) | |
190 | { | |
191 | BADBRANCH; | |
192 | } | |
193 | else | |
194 | { | |
195 | mtContextNode_showRefError (metaStateInfo_getContext (minfo), sr); | |
196 | } | |
197 | } | |
198 | else | |
199 | { | |
200 | mtContextNode_showRefError (mcontext, sr); | |
201 | } | |
202 | } |