src/lltok.c

   1 /*
   2 ** Splint - annotation-assisted static program checker
   3 ** Copyright (C) 1994-2003 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 ** lltok.c
  26 */
  27
  28 # include "splintMacros.nf"
  29 # include "basic.h"
  30
  31 # include "cgrammar.h"
  32
  33 bool
  34 lltok_isSemi (lltok tok)
  35 {
  36   return (tok->tok == TSEMI);
  37 }
  38
  39 bool
  40 lltok_isMult (lltok tok)
  41 {
  42   return (tok->tok == TMULT);
  43 }
  44
  45 bool lltok_isIncOp (lltok tok)
  46 {
  47   return (tok->tok == INC_OP);
  48 }
  49
  50 bool lltok_isDecOp  (lltok tok)
  51 {
  52   return (tok->tok == DEC_OP);
  53 }
  54
  55
  56 /* DRL added this function 10/23/2000 for boolean stuff */
  57 bool lltok_isEqOp (lltok tok)
  58 {
  59   return (tok->tok == EQ_OP);
  60 }
  61
  62 bool lltok_isNotEqOp (lltok tok)
  63 {
  64   return (tok->tok == NE_OP);
  65 }
  66
  67 /* DRL added this function 10/25/2000 for boolean stuff */
  68 bool lltok_isAndOp (lltok tok)
  69 {
  70   return (tok->tok == AND_OP);
  71 }
  72
  73 bool lltok_isOrOp (lltok tok)
  74 {
  75   return (tok->tok == OR_OP);
  76 }
  77
  78 bool lltok_isNotOp (lltok tok)
  79 {
  80   return (tok->tok ==  TEXCL);
  81 }
  82 /*drl7x added this function 11/20/00 */
  83
  84 bool lltok_isLt_Op (lltok tok)
  85 {
  86   return (tok->tok ==  TLT);
  87 }
  88
  89 bool lltok_isGt_Op (lltok tok)
  90 {
  91   return (tok->tok ==  TGT);
  92 }
  93
  94 bool lltok_isGe_Op (lltok tok)
  95 {
  96   return (tok->tok ==  GE_OP);
  97 }
  98
  99 bool lltok_isLe_Op (lltok tok)
 100 {
 101   return (tok->tok ==  LE_OP);
 102 }
 103
 104 /* end drl7x added */
 105
 106
 107 /*drl7x added 11 30 2000*/
 108 bool  lltok_isPlus_Op (lltok tok)
 109 {
 110   return (tok->tok ==  TPLUS);
 111 }
 112
 113 bool  lltok_isMinus_Op (lltok tok)
 114 {
 115   return (tok->tok ==  TMINUS);
 116 }
 117
 118 /*drl7x added 6 6 2001 */
 119
 120
 121 bool  lltok_isAmpersand_Op (lltok tok)
 122 {
 123   return (tok->tok == TAMPERSAND);
 124 }
 125
 126 /*end drl added */
 127
 128 /*drl7x added 6 15 2001 */
 129
 130 bool  lltok_isExcl_Op (lltok tok)
 131 {
 132   return (tok->tok == TEXCL);
 133 }
 134
 135 bool  lltok_isTilde_Op (lltok tok)
 136 {
 137   return (tok->tok == TTILDE);
 138 }
 139 /*end drl added */
 140
 141
 142 bool lltok_isEnsures (lltok tok)
 143 {
 144   return (tok->tok == QPOSTCLAUSE);
 145 }
 146
 147 bool lltok_isRequires (lltok tok)
 148 {
 149   return (tok->tok == QPRECLAUSE);
 150 }
 151
 152 cstring
 153 lltok_unparse (lltok tok)
 154 {
 155   char *lit;
 156
 157   switch (tok->tok)
 158     {
 159     case BREAK:      lit = "break"; break;
 160     case CASE:       lit = "case"; break;
 161     case CONTINUE:   lit = "continue"; break;
 162     case DEFAULT:    lit = "default"; break;
 163     case DO:         lit = "do"; break;
 164     case CDOUBLE:    lit = "double"; break;
 165     case CELSE:      lit = "else"; break;
 166     case CFOR:       lit = "for"; break;
 167     case GOTO:       lit = "goto"; break;
 168     case CIF:        lit = "if"; break;
 169     case RETURN:     lit = "return"; break;
 170     case CSIZEOF:    lit = "sizeof"; break;
 171     case SWITCH:     lit = "switch"; break;
 172     case WHILE:      lit = "while"; break;
 173     case CSTRUCT:    lit = "struct"; break;
 174     case CTYPEDEF:   lit = "typedef"; break;
 175     case CUNION:     lit = "union"; break;
 176     case CENUM:      lit = "enum"; break;
 177     case QEXTERN:     lit = "extern"; break;
 178     case QAUTO:       lit = "auto"; break;
 179     case QSTATIC:     lit = "static"; break;
 180     case RIGHT_ASSIGN: lit = ">>="; break;
 181     case LEFT_ASSIGN:  lit = "<<="; break;
 182     case ADD_ASSIGN: lit = "+="; break;
 183     case SUB_ASSIGN: lit = "-="; break;
 184     case MUL_ASSIGN: lit = "*="; break;
 185     case DIV_ASSIGN: lit = "/="; break;
 186     case MOD_ASSIGN: lit = "%="; break;
 187     case AND_ASSIGN: lit = "&="; break;
 188     case XOR_ASSIGN: lit = "^="; break;
 189     case OR_ASSIGN:  lit = "|="; break;
 190     case RIGHT_OP:   lit = ">>"; break;
 191     case LEFT_OP:    lit = "<<"; break;
 192     case INC_OP:     lit = "++"; break;
 193     case DEC_OP:     lit = "--"; break;
 194     case ARROW_OP:   lit = "->"; break;
 195     case AND_OP:     lit = "&&"; break;
 196     case OR_OP:      lit = "||"; break;
 197     case LE_OP:      lit = "<="; break;
 198     case GE_OP:      lit = ">="; break;
 199     case EQ_OP:      lit = "=="; break;
 200     case NE_OP:      lit = "!="; break;
 201     case TSEMI:      lit = ";"; break;
 202     case TLBRACE:    lit = "{"; break;
 203     case TRBRACE:    lit = "}"; break;
 204     case TCOMMA:     lit = ","; break;
 205     case TCOLON:     lit = ":"; break;
 206     case TASSIGN:    lit = "="; break;
 207     case TLPAREN:    lit = "("; break;
 208     case TRPAREN:    lit = ")"; break;
 209     case TLSQBR:     lit = "["; break;
 210     case TRSQBR:     lit = "]"; break;
 211     case TDOT:       lit = "."; break; /* evans 2003-05-31: Fix reported by psanzani. */
 212     case TAMPERSAND: lit = "&"; break;
 213     case TEXCL:      lit = "!"; break;
 214     case TTILDE:     lit = "~"; break;
 215     case TMINUS:     lit = "-"; break;
 216     case TPLUS:      lit = "+"; break;
 217     case TMULT:      lit = "*"; break;
 218     case TDIV:       lit = "/"; break;
 219     case TPERCENT:   lit = "%"; break;
 220     case TLT:        lit = "<"; break;
 221     case TGT:        lit = ">"; break;
 222     case TCIRC:      lit = "^"; break;
 223     case TBAR:       lit = "|"; break;
 224     case TQUEST:     lit = "?"; break;
 225     case QOUT:       lit = "out"; break;
 226     case QONLY:      lit = "only"; break;
 227     case QKEEP:      lit = "keep"; break;
 228     case QKEPT:      lit = "kept"; break;
 229     case QTEMP:      lit = "temp"; break;
 230     case QSHARED:    lit = "shared"; break;
 231     case QUNIQUE:    lit = "unique"; break;
 232     case QREF:       lit = "ref"; break;
 233     case QCHECKED:   lit = "checked"; break;
 234     case QCHECKEDSTRICT: lit = "checkedstrict"; break;
 235     case QCHECKMOD:  lit = "checkmod"; break;
 236     case QUNCHECKED: lit = "unchecked"; break;
 237     case QPRECLAUSE: lit = "requires"; break;
 238     case QPOSTCLAUSE: lit = "ensures"; break;
 239     case QTRUENULL:  lit = "truenull"; break;
 240     case QFALSENULL: lit = "falsenull"; break;
 241     case QRETURNED:  lit = "returned"; break;
 242     case QEXPOSED:   lit = "exposed"; break;
 243     case QNULL:      lit = "null"; break;
 244     case QRELNULL:   lit = "refnull"; break;
 245     case QOBSERVER:  lit = "observer"; break;
 246     case QPARTIAL:   lit = "partial"; break;
 247     case QSPECIAL:   lit = "special"; break;
 248     case QUSES:      lit = "uses"; break;
 249     case QDEFINES:   lit = "defines"; break;
 250     case QALLOCATES: lit = "allocates"; break;
 251     case QSETS:      lit = "sets"; break;
 252     case QRELEASES:  lit = "releases"; break;
 253     BADDEFAULT;
 254     }
 255
 256   return cstring_makeLiteralTemp (lit);
 257 }
 258
 259 lltok
 260 lltok_create (int tok, fileloc loc)
 261 {
 262   lltok l = (lltok) dmalloc (sizeof (*l));
 263
 264   l->tok = tok;
 265   l->loc = loc;
 266   DPRINTF (("Create: %s [%p]", lltok_unparse (l), loc));
 267   return (l);
 268 }
 269
 270 void lltok_free (lltok t)
 271 {
 272   fileloc_free (t->loc);
 273   sfree (t);
 274 }
 275
 276 void lltok_free2 (lltok t1, lltok t2)
 277 {
 278   lltok_free (t1);
 279   lltok_free (t2);
 280 }
 281
 282 void lltok_free3 (lltok t1, lltok t2, lltok t3)
 283 {
 284   lltok_free (t1);
 285   lltok_free (t2);
 286   lltok_free (t3);
 287 }
 288