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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 | ** lltok.c | |
26 | */ | |
27 | ||
28 | # include "lclintMacros.nf" | |
29 | # include "basic.h" | |
30 | ||
31 | # include "cgrammar.h" | |
32 | # include "cgrammar_tokens.h" | |
33 | ||
34 | bool | |
35 | lltok_isSemi (lltok tok) | |
36 | { | |
37 | return (tok.tok == TSEMI); | |
38 | } | |
39 | ||
40 | bool | |
41 | lltok_isMult (lltok tok) | |
42 | { | |
43 | return (tok.tok == TMULT); | |
44 | } | |
45 | ||
46 | bool lltok_isInc_Op (lltok tok) | |
47 | { | |
48 | return (tok.tok == INC_OP); | |
49 | } | |
50 | ||
51 | bool lltok_isDec_Op (lltok tok) | |
52 | { | |
53 | return (tok.tok == DEC_OP); | |
54 | } | |
55 | ||
56 | ||
57 | /* DRL added this function 10/23/2000 for boolean stuff */ | |
58 | bool lltok_isEq_Op (lltok tok) | |
59 | { | |
60 | return (tok.tok == EQ_OP); | |
61 | } | |
62 | ||
63 | /* DRL added this function 10/25/2000 for boolean stuff */ | |
64 | bool lltok_isAnd_Op (lltok tok) | |
65 | { | |
66 | return (tok.tok == AND_OP); | |
67 | } | |
68 | ||
69 | bool lltok_isOr_Op (lltok tok) | |
70 | { | |
71 | return (tok.tok == OR_OP); | |
72 | } | |
73 | ||
74 | bool lltok_isNot_Op (lltok tok) | |
75 | { | |
76 | return (tok.tok == TEXCL); | |
77 | } | |
78 | /*drl7x added this function 11/20/00 */ | |
79 | ||
80 | bool lltok_isLt_Op (lltok tok) | |
81 | { | |
82 | return (tok.tok == TLT); | |
83 | } | |
84 | ||
85 | bool lltok_isGt_Op (lltok tok) | |
86 | { | |
87 | return (tok.tok == TGT); | |
88 | } | |
89 | ||
90 | bool lltok_isGe_Op (lltok tok) | |
91 | { | |
92 | return (tok.tok == GE_OP); | |
93 | } | |
94 | ||
95 | bool lltok_isLe_Op (lltok tok) | |
96 | { | |
97 | return (tok.tok == LE_OP); | |
98 | } | |
99 | ||
100 | /* end drl7x added */ | |
101 | ||
102 | ||
103 | /*drl7x added 11 30 2000*/ | |
104 | bool lltok_isPlus_Op (lltok tok) | |
105 | { | |
106 | return (tok.tok == TPLUS); | |
107 | } | |
108 | ||
109 | bool lltok_isMinus_Op (lltok tok) | |
110 | { | |
111 | return (tok.tok == TMINUS); | |
112 | } | |
113 | ||
114 | /*drl7x added 6 6 2001 */ | |
115 | ||
116 | ||
117 | bool lltok_isAmpersand_Op (lltok tok) | |
118 | { | |
119 | return (tok.tok == TAMPERSAND); | |
120 | } | |
121 | ||
122 | /*end drl added */ | |
123 | ||
124 | /*drl7x added 6 15 2001 */ | |
125 | ||
126 | bool lltok_isExcl_Op (lltok tok) | |
127 | { | |
128 | return (tok.tok == TEXCL); | |
129 | } | |
130 | ||
131 | bool lltok_isTilde_Op (lltok tok) | |
132 | { | |
133 | return (tok.tok == TTILDE); | |
134 | } | |
135 | /*end drl added */ | |
136 | ||
137 | ||
138 | bool lltok_isEnsures (lltok tok) | |
139 | { | |
140 | return (tok.tok == QPOSTCLAUSE); | |
141 | } | |
142 | ||
143 | bool lltok_isRequires (lltok tok) | |
144 | { | |
145 | return (tok.tok == QPRECLAUSE); | |
146 | } | |
147 | ||
148 | cstring | |
149 | lltok_unparse (lltok tok) | |
150 | { | |
151 | char *lit; | |
152 | ||
153 | switch (tok.tok) | |
154 | { | |
155 | case BREAK: lit = "break"; break; | |
156 | case CASE: lit = "case"; break; | |
157 | case CONTINUE: lit = "continue"; break; | |
158 | case DEFAULT: lit = "default"; break; | |
159 | case DO: lit = "do"; break; | |
160 | case CDOUBLE: lit = "double"; break; | |
161 | case CELSE: lit = "else"; break; | |
162 | case CFOR: lit = "for"; break; | |
163 | case GOTO: lit = "goto"; break; | |
164 | case CIF: lit = "if"; break; | |
165 | case RETURN: lit = "return"; break; | |
166 | case CSIZEOF: lit = "sizeof"; break; | |
167 | case SWITCH: lit = "switch"; break; | |
168 | case WHILE: lit = "while"; break; | |
169 | case CSTRUCT: lit = "struct"; break; | |
170 | case CTYPEDEF: lit = "typedef"; break; | |
171 | case CUNION: lit = "union"; break; | |
172 | case CENUM: lit = "enum"; break; | |
173 | case QEXTERN: lit = "extern"; break; | |
174 | case QAUTO: lit = "auto"; break; | |
175 | case QSTATIC: lit = "static"; break; | |
176 | case RIGHT_ASSIGN: lit = ">>="; break; | |
177 | case LEFT_ASSIGN: lit = "<<="; break; | |
178 | case ADD_ASSIGN: lit = "+="; break; | |
179 | case SUB_ASSIGN: lit = "-="; break; | |
180 | case MUL_ASSIGN: lit = "*="; break; | |
181 | case DIV_ASSIGN: lit = "/="; break; | |
182 | case MOD_ASSIGN: lit = "%="; break; | |
183 | case AND_ASSIGN: lit = "&="; break; | |
184 | case XOR_ASSIGN: lit = "^="; break; | |
185 | case OR_ASSIGN: lit = "|="; break; | |
186 | case RIGHT_OP: lit = ">>"; break; | |
187 | case LEFT_OP: lit = "<<"; break; | |
188 | case INC_OP: lit = "++"; break; | |
189 | case DEC_OP: lit = "--"; break; | |
190 | case ARROW_OP: lit = "->"; break; | |
191 | case AND_OP: lit = "&&"; break; | |
192 | case OR_OP: lit = "||"; break; | |
193 | case LE_OP: lit = "<="; break; | |
194 | case GE_OP: lit = ">="; break; | |
195 | case EQ_OP: lit = "=="; break; | |
196 | case NE_OP: lit = "!="; break; | |
197 | case TSEMI: lit = ";"; break; | |
198 | case TLBRACE: lit = "{"; break; | |
199 | case TRBRACE: lit = "}"; break; | |
200 | case TCOMMA: lit = ","; break; | |
201 | case TCOLON: lit = ":"; break; | |
202 | case TASSIGN: lit = "="; break; | |
203 | case TLPAREN: lit = "("; break; | |
204 | case TRPAREN: lit = ")"; break; | |
205 | case TLSQBR: lit = "["; break; | |
206 | case TRSQBR: lit = "]"; break; | |
207 | case TDOT: lit = "."; break; | |
208 | case TAMPERSAND: lit = "&"; break; | |
209 | case TEXCL: lit = "!"; break; | |
210 | case TTILDE: lit = "~"; break; | |
211 | case TMINUS: lit = "-"; break; | |
212 | case TPLUS: lit = "+"; break; | |
213 | case TMULT: lit = "*"; break; | |
214 | case TDIV: lit = "/"; break; | |
215 | case TPERCENT: lit = "%"; break; | |
216 | case TLT: lit = "<"; break; | |
217 | case TGT: lit = ">"; break; | |
218 | case TCIRC: lit = "^"; break; | |
219 | case TBAR: lit = "|"; break; | |
220 | case TQUEST: lit = "?"; break; | |
221 | case QOUT: lit = "out"; break; | |
222 | case QONLY: lit = "only"; break; | |
223 | case QKEEP: lit = "keep"; break; | |
224 | case QKEPT: lit = "kept"; break; | |
225 | case QTEMP: lit = "temp"; break; | |
226 | case QSHARED: lit = "shared"; break; | |
227 | case QUNIQUE: lit = "unique"; break; | |
228 | case QREF: lit = "ref"; break; | |
229 | case QCHECKED: lit = "checked"; break; | |
230 | case QCHECKEDSTRICT: lit = "checkedstrict"; break; | |
231 | case QCHECKMOD: lit = "checkmod"; break; | |
232 | case QUNCHECKED: lit = "unchecked"; break; | |
233 | case QPRECLAUSE: lit = "requires"; break; | |
234 | case QPOSTCLAUSE: lit = "ensures"; break; | |
235 | case QTRUENULL: lit = "truenull"; break; | |
236 | case QFALSENULL: lit = "falsenull"; break; | |
237 | case QRETURNED: lit = "returned"; break; | |
238 | case QEXPOSED: lit = "exposed"; break; | |
239 | case QNULL: lit = "null"; break; | |
240 | case QRELNULL: lit = "refnull"; break; | |
241 | case QOBSERVER: lit = "observer"; break; | |
242 | case QPARTIAL: lit = "partial"; break; | |
243 | case QSPECIAL: lit = "special"; break; | |
244 | case QUSES: lit = "uses"; break; | |
245 | case QDEFINES: lit = "defines"; break; | |
246 | case QALLOCATES: lit = "allocates"; break; | |
247 | case QSETS: lit = "sets"; break; | |
248 | case QRELEASES: lit = "releases"; break; | |
249 | case QSETBUFFERSIZE: lit = "setBufferSize"; break; | |
250 | case QSETSTRINGLENGTH: lit = "setStringLength"; break; | |
251 | BADDEFAULT; | |
252 | } | |
253 | ||
254 | return cstring_makeLiteralTemp (lit); | |
255 | } | |
256 | ||
257 | lltok | |
258 | lltok_create (int tok, fileloc loc) | |
259 | { | |
260 | lltok l; | |
261 | ||
262 | l.tok = tok; | |
263 | l.loc = loc; | |
264 | ||
265 | return (l); | |
266 | } | |
267 | ||
268 | void lltok_release (lltok t) | |
269 | { | |
270 | fileloc_free (t.loc); | |
271 | } | |
272 | ||
273 | fileloc lltok_stealLoc (lltok t) | |
274 | { | |
275 | fileloc res = t.loc; | |
276 | t.loc = fileloc_undefined; | |
277 | return res; | |
278 | } |