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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 | ** warnClause.c | |
26 | */ | |
27 | ||
28 | # include "lclintMacros.nf" | |
29 | # include "basic.h" | |
28bf4b0b | 30 | |
31 | static warnClause warnClause_createAux (/*@only@*/ fileloc loc, | |
32 | /*@only@*/ flagSpec flag, | |
33 | /*@only@*/ exprNode msg) | |
34 | { | |
35 | warnClause res = (warnClause) dmalloc (sizeof (*res)); | |
36 | ||
37 | res->loc = loc; | |
38 | res->flag = flag; | |
39 | res->msg = msg; | |
40 | ||
41 | return res; | |
42 | } | |
43 | ||
44 | extern warnClause warnClause_create (lltok tok, flagSpec flag, exprNode msg) | |
45 | { | |
46 | warnClause res; | |
47 | DPRINTF (("Create warn message: %s/ %s ", | |
48 | flagSpec_unparse (flag), exprNode_unparse(msg))); | |
49 | ||
50 | res = warnClause_createAux (lltok_stealLoc (tok), | |
51 | flag, msg); | |
52 | lltok_release (tok); | |
53 | return res; | |
54 | } | |
55 | ||
efd360a3 | 56 | warnClause warnClause_copy (warnClause w) |
57 | { | |
58 | if (warnClause_isDefined (w)) | |
59 | { | |
60 | return warnClause_createAux (fileloc_copy (w->loc), | |
61 | flagSpec_copy (w->flag), | |
ccf0a4a8 | 62 | w->msg); /*@i32 should exprNode_copy (w->msg)); */ |
efd360a3 | 63 | } |
64 | else | |
65 | { | |
66 | return warnClause_undefined; | |
67 | } | |
68 | } | |
69 | ||
28bf4b0b | 70 | extern flagSpec warnClause_getFlag (warnClause w) |
71 | { | |
72 | return w->flag; | |
73 | } | |
74 | ||
75 | extern cstring warnClause_unparse (warnClause w) | |
76 | { | |
77 | if (warnClause_isDefined (w)) | |
78 | { | |
79 | return message ("<%q> %s", | |
80 | flagSpec_unparse (w->flag), exprNode_unparse (w->msg)); | |
81 | } | |
82 | else | |
83 | { | |
84 | return cstring_undefined; | |
85 | } | |
86 | } | |
87 | ||
88 | extern bool warnClause_hasMessage (warnClause w) | |
89 | { | |
90 | return warnClause_isDefined (w) && exprNode_isDefined (w->msg) | |
91 | && cstring_isDefined (multiVal_forceString (exprNode_getValue (w->msg))); | |
92 | } | |
93 | ||
94 | extern /*@observer@*/ cstring warnClause_getMessage (warnClause w) | |
95 | { | |
96 | if (warnClause_isDefined (w) && exprNode_isDefined (w->msg)) { | |
97 | llassert (exprNode_knownStringValue (w->msg)); | |
98 | return multiVal_forceString (exprNode_getValue (w->msg)); | |
99 | } else { | |
100 | return cstring_undefined; | |
101 | } | |
102 | } | |
103 | ||
104 | ||
105 | extern void warnClause_free (warnClause w) | |
106 | { | |
107 | if (warnClause_isDefined (w)) | |
108 | { | |
109 | flagSpec_free (w->flag); | |
efd360a3 | 110 | /*@i43 should be copied! exprNode_free (w->msg); */ |
28bf4b0b | 111 | fileloc_free (w->loc); |
112 | sfree (w); | |
113 | } | |
114 | } | |
115 | ||
116 | /*@only@*/ cstring | |
117 | warnClause_dump (warnClause wc) | |
118 | { | |
119 | cstring st = cstring_undefined; | |
120 | ||
121 | llassert (!cstring_containsChar (warnClause_getMessage (wc), '#')); | |
2c88d156 | 122 | |
123 | if (warnClause_hasMessage (wc)) | |
124 | { | |
125 | llassert (cstring_firstChar (warnClause_getMessage (wc)) != '.'); | |
126 | st = message ("%q#%s#", flagSpec_dump (wc->flag), warnClause_getMessage (wc)); | |
127 | } | |
128 | else | |
129 | { | |
130 | st = message ("%q#.#", flagSpec_dump (wc->flag)); | |
131 | } | |
132 | ||
28bf4b0b | 133 | return st; |
134 | } | |
135 | ||
136 | warnClause | |
137 | warnClause_undump (char **s) | |
138 | { | |
139 | flagSpec flag; | |
140 | cstring msg; | |
141 | exprNode emsg; | |
142 | ||
2c88d156 | 143 | DPRINTF (("Undump: %s", *s)); |
28bf4b0b | 144 | flag = flagSpec_undump (s); |
2c88d156 | 145 | DPRINTF (("Here: %s", *s)); |
28bf4b0b | 146 | reader_checkChar (s, '#'); |
2c88d156 | 147 | DPRINTF (("Here: %s", *s)); |
148 | ||
149 | if (reader_optCheckChar (s, '.')) | |
150 | { | |
151 | msg = cstring_undefined; | |
152 | } | |
153 | else | |
154 | { | |
155 | msg = reader_readUntil (s, '#'); | |
156 | } | |
157 | ||
158 | DPRINTF (("Here: %s", *s)); | |
28bf4b0b | 159 | reader_checkChar (s, '#'); |
2c88d156 | 160 | |
28bf4b0b | 161 | emsg = exprNode_rawStringLiteral (msg, fileloc_copy (g_currentloc)); |
162 | ||
163 | return warnClause_createAux (fileloc_copy (g_currentloc), flag, emsg); | |
164 | } |