| 1 | /* $RCSfile: dump.c,v $$Revision: 4.1 $$Date: 92/08/07 17:20:03 $ |
| 2 | * |
| 3 | * Copyright (c) 1991, Larry Wall |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | * $Log: dump.c,v $ |
| 9 | * Revision 4.1 92/08/07 17:20:03 lwall |
| 10 | * Stage 6 Snapshot |
| 11 | * |
| 12 | * Revision 4.0.1.2 92/06/08 13:14:22 lwall |
| 13 | * patch20: removed implicit int declarations on funcions |
| 14 | * patch20: fixed confusion between a *var's real name and its effective name |
| 15 | * |
| 16 | * Revision 4.0.1.1 91/06/07 10:58:44 lwall |
| 17 | * patch4: new copyright notice |
| 18 | * |
| 19 | * Revision 4.0 91/03/20 01:08:25 lwall |
| 20 | * 4.0 baseline. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include "EXTERN.h" |
| 25 | #include "perl.h" |
| 26 | |
| 27 | #ifdef DEBUGGING |
| 28 | |
| 29 | static void dump(); |
| 30 | |
| 31 | void |
| 32 | dump_all() |
| 33 | { |
| 34 | register I32 i; |
| 35 | register HE *entry; |
| 36 | |
| 37 | setlinebuf(stderr); |
| 38 | if (main_root) |
| 39 | dump_op(main_root); |
| 40 | for (i = 0; i <= 127; i++) { |
| 41 | for (entry = HvARRAY(defstash)[i]; entry; entry = entry->hent_next) |
| 42 | dump_sub((GV*)entry->hent_val); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | void |
| 47 | dump_sub(gv) |
| 48 | GV* gv; |
| 49 | { |
| 50 | SV *sv = sv_mortalcopy(&sv_undef); |
| 51 | if (GvCV(gv)) { |
| 52 | gv_fullname(sv,gv); |
| 53 | dump("\nSUB %s = ", SvPV(sv)); |
| 54 | if (CvUSERSUB(GvCV(gv))) |
| 55 | dump("(usersub 0x%x %d)\n", |
| 56 | (long)CvUSERSUB(GvCV(gv)), |
| 57 | CvUSERINDEX(GvCV(gv))); |
| 58 | else if (CvROOT(GvCV(gv))) |
| 59 | dump_op(CvROOT(GvCV(gv))); |
| 60 | else |
| 61 | dump("<undef>\n"); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | void |
| 66 | dump_eval() |
| 67 | { |
| 68 | register I32 i; |
| 69 | register GV *gv; |
| 70 | register HE *entry; |
| 71 | |
| 72 | dump_op(eval_root); |
| 73 | } |
| 74 | |
| 75 | void |
| 76 | dump_op(op) |
| 77 | register OP *op; |
| 78 | { |
| 79 | SV *tmpsv; |
| 80 | |
| 81 | dump("{\n"); |
| 82 | if (op->op_seq) |
| 83 | fprintf(stderr, "%-4d", op->op_seq); |
| 84 | else |
| 85 | fprintf(stderr, " "); |
| 86 | dump("TYPE = %s ===> ", op_name[op->op_type]); |
| 87 | if (op->op_next) { |
| 88 | if (op->op_seq) |
| 89 | fprintf(stderr, "%d\n", op->op_next->op_seq); |
| 90 | else |
| 91 | fprintf(stderr, "(%d)\n", op->op_next->op_seq); |
| 92 | } |
| 93 | else |
| 94 | fprintf(stderr, "DONE\n"); |
| 95 | dumplvl++; |
| 96 | if (op->op_targ) |
| 97 | dump("TARG = %d\n", op->op_targ); |
| 98 | #ifdef NOTDEF |
| 99 | dump("ADDR = 0x%lx => 0x%lx\n",op, op->op_next); |
| 100 | #endif |
| 101 | if (op->op_flags) { |
| 102 | *buf = '\0'; |
| 103 | if (op->op_flags & OPf_KNOW) { |
| 104 | if (op->op_flags & OPf_LIST) |
| 105 | (void)strcat(buf,"LIST,"); |
| 106 | else |
| 107 | (void)strcat(buf,"SCALAR,"); |
| 108 | } |
| 109 | else |
| 110 | (void)strcat(buf,"UNKNOWN,"); |
| 111 | if (op->op_flags & OPf_KIDS) |
| 112 | (void)strcat(buf,"KIDS,"); |
| 113 | if (op->op_flags & OPf_PARENS) |
| 114 | (void)strcat(buf,"PARENS,"); |
| 115 | if (op->op_flags & OPf_STACKED) |
| 116 | (void)strcat(buf,"STACKED,"); |
| 117 | if (op->op_flags & OPf_LVAL) |
| 118 | (void)strcat(buf,"LVAL,"); |
| 119 | if (op->op_flags & OPf_INTRO) |
| 120 | (void)strcat(buf,"INTRO,"); |
| 121 | if (op->op_flags & OPf_SPECIAL) |
| 122 | (void)strcat(buf,"SPECIAL,"); |
| 123 | if (*buf) |
| 124 | buf[strlen(buf)-1] = '\0'; |
| 125 | dump("FLAGS = (%s)\n",buf); |
| 126 | } |
| 127 | if (op->op_private) { |
| 128 | *buf = '\0'; |
| 129 | if (op->op_type == OP_AASSIGN) { |
| 130 | if (op->op_private & OPpASSIGN_COMMON) |
| 131 | (void)strcat(buf,"COMMON,"); |
| 132 | } |
| 133 | else if (op->op_type == OP_TRANS) { |
| 134 | if (op->op_private & OPpTRANS_SQUASH) |
| 135 | (void)strcat(buf,"SQUASH,"); |
| 136 | if (op->op_private & OPpTRANS_DELETE) |
| 137 | (void)strcat(buf,"DELETE,"); |
| 138 | if (op->op_private & OPpTRANS_COMPLEMENT) |
| 139 | (void)strcat(buf,"COMPLEMENT,"); |
| 140 | } |
| 141 | else if (op->op_type == OP_REPEAT) { |
| 142 | if (op->op_private & OPpREPEAT_DOLIST) |
| 143 | (void)strcat(buf,"DOLIST,"); |
| 144 | } |
| 145 | else if (op->op_type == OP_ENTERSUBR) { |
| 146 | if (op->op_private & OPpSUBR_DB) |
| 147 | (void)strcat(buf,"DB,"); |
| 148 | } |
| 149 | else if (op->op_type == OP_CONST) { |
| 150 | if (op->op_private & OPpCONST_BARE) |
| 151 | (void)strcat(buf,"BARE,"); |
| 152 | } |
| 153 | else if (op->op_type == OP_FLIP) { |
| 154 | if (op->op_private & OPpFLIP_LINENUM) |
| 155 | (void)strcat(buf,"LINENUM,"); |
| 156 | } |
| 157 | else if (op->op_type == OP_FLOP) { |
| 158 | if (op->op_private & OPpFLIP_LINENUM) |
| 159 | (void)strcat(buf,"LINENUM,"); |
| 160 | } |
| 161 | if (*buf) { |
| 162 | buf[strlen(buf)-1] = '\0'; |
| 163 | dump("PRIVATE = (%s)\n",buf); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | switch (op->op_type) { |
| 168 | case OP_GVSV: |
| 169 | case OP_GV: |
| 170 | if (cGVOP->op_gv) { |
| 171 | tmpsv = NEWSV(0,0); |
| 172 | gv_fullname(tmpsv,cGVOP->op_gv); |
| 173 | dump("GV = %s\n", SvPVn(tmpsv)); |
| 174 | sv_free(tmpsv); |
| 175 | } |
| 176 | else |
| 177 | dump("GV = NULL\n"); |
| 178 | break; |
| 179 | case OP_CONST: |
| 180 | dump("SV = %s\n", SvPEEK(cSVOP->op_sv)); |
| 181 | break; |
| 182 | case OP_NEXTSTATE: |
| 183 | case OP_DBSTATE: |
| 184 | if (cCOP->cop_line) |
| 185 | dump("LINE = %d\n",cCOP->cop_line); |
| 186 | if (cCOP->cop_label) |
| 187 | dump("LABEL = \"%s\"\n",cCOP->cop_label); |
| 188 | break; |
| 189 | case OP_ENTERLOOP: |
| 190 | dump("REDO ===> "); |
| 191 | if (cLOOP->op_redoop) |
| 192 | fprintf(stderr, "%d\n", cLOOP->op_redoop->op_seq); |
| 193 | else |
| 194 | fprintf(stderr, "DONE\n"); |
| 195 | dump("NEXT ===> "); |
| 196 | if (cLOOP->op_nextop) |
| 197 | fprintf(stderr, "%d\n", cLOOP->op_nextop->op_seq); |
| 198 | else |
| 199 | fprintf(stderr, "DONE\n"); |
| 200 | dump("LAST ===> "); |
| 201 | if (cLOOP->op_lastop) |
| 202 | fprintf(stderr, "%d\n", cLOOP->op_lastop->op_seq); |
| 203 | else |
| 204 | fprintf(stderr, "DONE\n"); |
| 205 | break; |
| 206 | case OP_COND_EXPR: |
| 207 | dump("TRUE ===> "); |
| 208 | if (cCONDOP->op_true) |
| 209 | fprintf(stderr, "%d\n", cCONDOP->op_true->op_seq); |
| 210 | else |
| 211 | fprintf(stderr, "DONE\n"); |
| 212 | dump("FALSE ===> "); |
| 213 | if (cCONDOP->op_false) |
| 214 | fprintf(stderr, "%d\n", cCONDOP->op_false->op_seq); |
| 215 | else |
| 216 | fprintf(stderr, "DONE\n"); |
| 217 | break; |
| 218 | case OP_GREPWHILE: |
| 219 | case OP_OR: |
| 220 | case OP_AND: |
| 221 | case OP_METHOD: |
| 222 | dump("OTHER ===> "); |
| 223 | if (cLOGOP->op_other) |
| 224 | fprintf(stderr, "%d\n", cLOGOP->op_other->op_seq); |
| 225 | else |
| 226 | fprintf(stderr, "DONE\n"); |
| 227 | break; |
| 228 | case OP_PUSHRE: |
| 229 | case OP_MATCH: |
| 230 | case OP_SUBST: |
| 231 | dump_pm(op); |
| 232 | break; |
| 233 | } |
| 234 | if (op->op_flags & OPf_KIDS) { |
| 235 | OP *kid; |
| 236 | for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) |
| 237 | dump_op(kid); |
| 238 | } |
| 239 | dumplvl--; |
| 240 | dump("}\n"); |
| 241 | } |
| 242 | |
| 243 | void |
| 244 | dump_gv(gv) |
| 245 | register GV *gv; |
| 246 | { |
| 247 | SV *sv; |
| 248 | |
| 249 | if (!gv) { |
| 250 | fprintf(stderr,"{}\n"); |
| 251 | return; |
| 252 | } |
| 253 | sv = sv_mortalcopy(&sv_undef); |
| 254 | dumplvl++; |
| 255 | fprintf(stderr,"{\n"); |
| 256 | gv_fullname(sv,gv); |
| 257 | dump("GV_NAME = %s", SvPV(sv)); |
| 258 | if (gv != GvEGV(gv)) { |
| 259 | gv_efullname(sv,GvEGV(gv)); |
| 260 | dump("-> %s", SvPV(sv)); |
| 261 | } |
| 262 | dump("\n"); |
| 263 | dumplvl--; |
| 264 | dump("}\n"); |
| 265 | } |
| 266 | |
| 267 | void |
| 268 | dump_pm(pm) |
| 269 | register PMOP *pm; |
| 270 | { |
| 271 | char ch; |
| 272 | |
| 273 | if (!pm) { |
| 274 | dump("{}\n"); |
| 275 | return; |
| 276 | } |
| 277 | dump("{\n"); |
| 278 | dumplvl++; |
| 279 | if (pm->op_pmflags & PMf_ONCE) |
| 280 | ch = '?'; |
| 281 | else |
| 282 | ch = '/'; |
| 283 | if (pm->op_pmregexp) |
| 284 | dump("PMf_PRE %c%s%c\n",ch,pm->op_pmregexp->precomp,ch); |
| 285 | if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) { |
| 286 | dump("PMf_REPL = "); |
| 287 | dump_op(pm->op_pmreplroot); |
| 288 | } |
| 289 | if (pm->op_pmshort) { |
| 290 | dump("PMf_SHORT = %s\n",SvPEEK(pm->op_pmshort)); |
| 291 | } |
| 292 | if (pm->op_pmflags) { |
| 293 | *buf = '\0'; |
| 294 | if (pm->op_pmflags & PMf_USED) |
| 295 | (void)strcat(buf,"USED,"); |
| 296 | if (pm->op_pmflags & PMf_ONCE) |
| 297 | (void)strcat(buf,"ONCE,"); |
| 298 | if (pm->op_pmflags & PMf_SCANFIRST) |
| 299 | (void)strcat(buf,"SCANFIRST,"); |
| 300 | if (pm->op_pmflags & PMf_ALL) |
| 301 | (void)strcat(buf,"ALL,"); |
| 302 | if (pm->op_pmflags & PMf_SKIPWHITE) |
| 303 | (void)strcat(buf,"SKIPWHITE,"); |
| 304 | if (pm->op_pmflags & PMf_FOLD) |
| 305 | (void)strcat(buf,"FOLD,"); |
| 306 | if (pm->op_pmflags & PMf_CONST) |
| 307 | (void)strcat(buf,"CONST,"); |
| 308 | if (pm->op_pmflags & PMf_KEEP) |
| 309 | (void)strcat(buf,"KEEP,"); |
| 310 | if (pm->op_pmflags & PMf_GLOBAL) |
| 311 | (void)strcat(buf,"GLOBAL,"); |
| 312 | if (pm->op_pmflags & PMf_RUNTIME) |
| 313 | (void)strcat(buf,"RUNTIME,"); |
| 314 | if (pm->op_pmflags & PMf_EVAL) |
| 315 | (void)strcat(buf,"EVAL,"); |
| 316 | if (*buf) |
| 317 | buf[strlen(buf)-1] = '\0'; |
| 318 | dump("PMFLAGS = (%s)\n",buf); |
| 319 | } |
| 320 | |
| 321 | dumplvl--; |
| 322 | dump("}\n"); |
| 323 | } |
| 324 | |
| 325 | /* VARARGS1 */ |
| 326 | static void dump(arg1,arg2,arg3,arg4,arg5) |
| 327 | char *arg1; |
| 328 | long arg2, arg3, arg4, arg5; |
| 329 | { |
| 330 | I32 i; |
| 331 | |
| 332 | for (i = dumplvl*4; i; i--) |
| 333 | (void)putc(' ',stderr); |
| 334 | fprintf(stderr,arg1, arg2, arg3, arg4, arg5); |
| 335 | } |
| 336 | #endif |