| 1 | /* dump.c |
| 2 | * |
| 3 | * Copyright (c) 1991-1994, 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 | */ |
| 9 | |
| 10 | /* |
| 11 | * "'You have talked long in your sleep, Frodo,' said Gandalf gently, 'and |
| 12 | * it has not been hard for me to read your mind and memory.'" |
| 13 | */ |
| 14 | |
| 15 | #include "EXTERN.h" |
| 16 | #include "perl.h" |
| 17 | |
| 18 | #ifndef DEBUGGING |
| 19 | void |
| 20 | dump_all() |
| 21 | { |
| 22 | } |
| 23 | #else /* Rest of file is for DEBUGGING */ |
| 24 | |
| 25 | static void dump(); |
| 26 | |
| 27 | void |
| 28 | dump_all() |
| 29 | { |
| 30 | #ifdef HAS_SETLINEBUF |
| 31 | setlinebuf(stderr); |
| 32 | #else |
| 33 | setvbuf(stderr, Nullch, _IOLBF, 0); |
| 34 | #endif |
| 35 | if (main_root) |
| 36 | dump_op(main_root); |
| 37 | dump_packsubs(defstash); |
| 38 | } |
| 39 | |
| 40 | void |
| 41 | dump_packsubs(stash) |
| 42 | HV* stash; |
| 43 | { |
| 44 | I32 i; |
| 45 | HE *entry; |
| 46 | |
| 47 | if (!HvARRAY(stash)) |
| 48 | return; |
| 49 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
| 50 | for (entry = HvARRAY(stash)[i]; entry; entry = entry->hent_next) { |
| 51 | GV *gv = (GV*)entry->hent_val; |
| 52 | HV *hv; |
| 53 | if (GvCV(gv)) |
| 54 | dump_sub(gv); |
| 55 | if (GvFORM(gv)) |
| 56 | dump_form(gv); |
| 57 | if (entry->hent_key[entry->hent_klen-1] == ':' && |
| 58 | (hv = GvHV(gv)) && HvNAME(hv) && hv != defstash) |
| 59 | dump_packsubs(hv); /* nested package */ |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | void |
| 65 | dump_sub(gv) |
| 66 | GV* gv; |
| 67 | { |
| 68 | SV *sv = sv_newmortal(); |
| 69 | |
| 70 | gv_fullname(sv,gv); |
| 71 | dump("\nSUB %s = ", SvPVX(sv)); |
| 72 | if (CvXSUB(GvCV(gv))) |
| 73 | dump("(xsub 0x%x %d)\n", |
| 74 | (long)CvXSUB(GvCV(gv)), |
| 75 | CvXSUBANY(GvCV(gv)).any_i32); |
| 76 | else if (CvROOT(GvCV(gv))) |
| 77 | dump_op(CvROOT(GvCV(gv))); |
| 78 | else |
| 79 | dump("<undef>\n"); |
| 80 | } |
| 81 | |
| 82 | void |
| 83 | dump_form(gv) |
| 84 | GV* gv; |
| 85 | { |
| 86 | SV *sv = sv_newmortal(); |
| 87 | |
| 88 | gv_fullname(sv,gv); |
| 89 | dump("\nFORMAT %s = ", SvPVX(sv)); |
| 90 | if (CvROOT(GvFORM(gv))) |
| 91 | dump_op(CvROOT(GvFORM(gv))); |
| 92 | else |
| 93 | dump("<undef>\n"); |
| 94 | } |
| 95 | |
| 96 | void |
| 97 | dump_eval() |
| 98 | { |
| 99 | dump_op(eval_root); |
| 100 | } |
| 101 | |
| 102 | void |
| 103 | dump_op(op) |
| 104 | register OP *op; |
| 105 | { |
| 106 | SV *tmpsv; |
| 107 | |
| 108 | dump("{\n"); |
| 109 | if (op->op_seq) |
| 110 | fprintf(stderr, "%-4d", op->op_seq); |
| 111 | else |
| 112 | fprintf(stderr, " "); |
| 113 | dump("TYPE = %s ===> ", op_name[op->op_type]); |
| 114 | if (op->op_next) { |
| 115 | if (op->op_seq) |
| 116 | fprintf(stderr, "%d\n", op->op_next->op_seq); |
| 117 | else |
| 118 | fprintf(stderr, "(%d)\n", op->op_next->op_seq); |
| 119 | } |
| 120 | else |
| 121 | fprintf(stderr, "DONE\n"); |
| 122 | dumplvl++; |
| 123 | if (op->op_targ) { |
| 124 | if (op->op_type == OP_NULL) |
| 125 | dump(" (was %s)\n", op_name[op->op_targ]); |
| 126 | else |
| 127 | dump("TARG = %d\n", op->op_targ); |
| 128 | } |
| 129 | #ifdef DUMPADDR |
| 130 | dump("ADDR = 0x%lx => 0x%lx\n",op, op->op_next); |
| 131 | #endif |
| 132 | if (op->op_flags) { |
| 133 | *buf = '\0'; |
| 134 | if (op->op_flags & OPf_KNOW) { |
| 135 | if (op->op_flags & OPf_LIST) |
| 136 | (void)strcat(buf,"LIST,"); |
| 137 | else |
| 138 | (void)strcat(buf,"SCALAR,"); |
| 139 | } |
| 140 | else |
| 141 | (void)strcat(buf,"UNKNOWN,"); |
| 142 | if (op->op_flags & OPf_KIDS) |
| 143 | (void)strcat(buf,"KIDS,"); |
| 144 | if (op->op_flags & OPf_PARENS) |
| 145 | (void)strcat(buf,"PARENS,"); |
| 146 | if (op->op_flags & OPf_STACKED) |
| 147 | (void)strcat(buf,"STACKED,"); |
| 148 | if (op->op_flags & OPf_REF) |
| 149 | (void)strcat(buf,"REF,"); |
| 150 | if (op->op_flags & OPf_MOD) |
| 151 | (void)strcat(buf,"MOD,"); |
| 152 | if (op->op_flags & OPf_SPECIAL) |
| 153 | (void)strcat(buf,"SPECIAL,"); |
| 154 | if (*buf) |
| 155 | buf[strlen(buf)-1] = '\0'; |
| 156 | dump("FLAGS = (%s)\n",buf); |
| 157 | } |
| 158 | if (op->op_private) { |
| 159 | *buf = '\0'; |
| 160 | if (op->op_type == OP_AASSIGN) { |
| 161 | if (op->op_private & OPpASSIGN_COMMON) |
| 162 | (void)strcat(buf,"COMMON,"); |
| 163 | } |
| 164 | else if (op->op_type == OP_SASSIGN) { |
| 165 | if (op->op_private & OPpASSIGN_BACKWARDS) |
| 166 | (void)strcat(buf,"BACKWARDS,"); |
| 167 | } |
| 168 | else if (op->op_type == OP_TRANS) { |
| 169 | if (op->op_private & OPpTRANS_SQUASH) |
| 170 | (void)strcat(buf,"SQUASH,"); |
| 171 | if (op->op_private & OPpTRANS_DELETE) |
| 172 | (void)strcat(buf,"DELETE,"); |
| 173 | if (op->op_private & OPpTRANS_COMPLEMENT) |
| 174 | (void)strcat(buf,"COMPLEMENT,"); |
| 175 | } |
| 176 | else if (op->op_type == OP_REPEAT) { |
| 177 | if (op->op_private & OPpREPEAT_DOLIST) |
| 178 | (void)strcat(buf,"DOLIST,"); |
| 179 | } |
| 180 | else if (op->op_type == OP_ENTERSUB || |
| 181 | op->op_type == OP_RV2SV || |
| 182 | op->op_type == OP_RV2AV || |
| 183 | op->op_type == OP_RV2HV || |
| 184 | op->op_type == OP_RV2GV || |
| 185 | op->op_type == OP_AELEM || |
| 186 | op->op_type == OP_HELEM ) |
| 187 | { |
| 188 | if (op->op_private & OPpENTERSUB_AMPER) |
| 189 | (void)strcat(buf,"AMPER,"); |
| 190 | if (op->op_private & OPpENTERSUB_DB) |
| 191 | (void)strcat(buf,"DB,"); |
| 192 | if (op->op_private & OPpDEREF_AV) |
| 193 | (void)strcat(buf,"AV,"); |
| 194 | if (op->op_private & OPpDEREF_HV) |
| 195 | (void)strcat(buf,"HV,"); |
| 196 | if (op->op_private & HINT_STRICT_REFS) |
| 197 | (void)strcat(buf,"STRICT_REFS,"); |
| 198 | } |
| 199 | else if (op->op_type == OP_CONST) { |
| 200 | if (op->op_private & OPpCONST_BARE) |
| 201 | (void)strcat(buf,"BARE,"); |
| 202 | } |
| 203 | else if (op->op_type == OP_FLIP) { |
| 204 | if (op->op_private & OPpFLIP_LINENUM) |
| 205 | (void)strcat(buf,"LINENUM,"); |
| 206 | } |
| 207 | else if (op->op_type == OP_FLOP) { |
| 208 | if (op->op_private & OPpFLIP_LINENUM) |
| 209 | (void)strcat(buf,"LINENUM,"); |
| 210 | } |
| 211 | if (op->op_flags & OPf_MOD && op->op_private & OPpLVAL_INTRO) |
| 212 | (void)strcat(buf,"INTRO,"); |
| 213 | if (*buf) { |
| 214 | buf[strlen(buf)-1] = '\0'; |
| 215 | dump("PRIVATE = (%s)\n",buf); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | switch (op->op_type) { |
| 220 | case OP_GVSV: |
| 221 | case OP_GV: |
| 222 | if (cGVOP->op_gv) { |
| 223 | ENTER; |
| 224 | tmpsv = NEWSV(0,0); |
| 225 | SAVEFREESV(tmpsv); |
| 226 | gv_fullname(tmpsv,cGVOP->op_gv); |
| 227 | dump("GV = %s\n", SvPV(tmpsv, na)); |
| 228 | LEAVE; |
| 229 | } |
| 230 | else |
| 231 | dump("GV = NULL\n"); |
| 232 | break; |
| 233 | case OP_CONST: |
| 234 | dump("SV = %s\n", SvPEEK(cSVOP->op_sv)); |
| 235 | break; |
| 236 | case OP_NEXTSTATE: |
| 237 | case OP_DBSTATE: |
| 238 | if (cCOP->cop_line) |
| 239 | dump("LINE = %d\n",cCOP->cop_line); |
| 240 | if (cCOP->cop_label) |
| 241 | dump("LABEL = \"%s\"\n",cCOP->cop_label); |
| 242 | break; |
| 243 | case OP_ENTERLOOP: |
| 244 | dump("REDO ===> "); |
| 245 | if (cLOOP->op_redoop) |
| 246 | fprintf(stderr, "%d\n", cLOOP->op_redoop->op_seq); |
| 247 | else |
| 248 | fprintf(stderr, "DONE\n"); |
| 249 | dump("NEXT ===> "); |
| 250 | if (cLOOP->op_nextop) |
| 251 | fprintf(stderr, "%d\n", cLOOP->op_nextop->op_seq); |
| 252 | else |
| 253 | fprintf(stderr, "DONE\n"); |
| 254 | dump("LAST ===> "); |
| 255 | if (cLOOP->op_lastop) |
| 256 | fprintf(stderr, "%d\n", cLOOP->op_lastop->op_seq); |
| 257 | else |
| 258 | fprintf(stderr, "DONE\n"); |
| 259 | break; |
| 260 | case OP_COND_EXPR: |
| 261 | dump("TRUE ===> "); |
| 262 | if (cCONDOP->op_true) |
| 263 | fprintf(stderr, "%d\n", cCONDOP->op_true->op_seq); |
| 264 | else |
| 265 | fprintf(stderr, "DONE\n"); |
| 266 | dump("FALSE ===> "); |
| 267 | if (cCONDOP->op_false) |
| 268 | fprintf(stderr, "%d\n", cCONDOP->op_false->op_seq); |
| 269 | else |
| 270 | fprintf(stderr, "DONE\n"); |
| 271 | break; |
| 272 | case OP_MAPWHILE: |
| 273 | case OP_GREPWHILE: |
| 274 | case OP_OR: |
| 275 | case OP_AND: |
| 276 | dump("OTHER ===> "); |
| 277 | if (cLOGOP->op_other) |
| 278 | fprintf(stderr, "%d\n", cLOGOP->op_other->op_seq); |
| 279 | else |
| 280 | fprintf(stderr, "DONE\n"); |
| 281 | break; |
| 282 | case OP_PUSHRE: |
| 283 | case OP_MATCH: |
| 284 | case OP_SUBST: |
| 285 | dump_pm((PMOP*)op); |
| 286 | break; |
| 287 | default: |
| 288 | break; |
| 289 | } |
| 290 | if (op->op_flags & OPf_KIDS) { |
| 291 | OP *kid; |
| 292 | for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) |
| 293 | dump_op(kid); |
| 294 | } |
| 295 | dumplvl--; |
| 296 | dump("}\n"); |
| 297 | } |
| 298 | |
| 299 | void |
| 300 | dump_gv(gv) |
| 301 | register GV *gv; |
| 302 | { |
| 303 | SV *sv; |
| 304 | |
| 305 | if (!gv) { |
| 306 | fprintf(stderr,"{}\n"); |
| 307 | return; |
| 308 | } |
| 309 | sv = sv_newmortal(); |
| 310 | dumplvl++; |
| 311 | fprintf(stderr,"{\n"); |
| 312 | gv_fullname(sv,gv); |
| 313 | dump("GV_NAME = %s", SvPVX(sv)); |
| 314 | if (gv != GvEGV(gv)) { |
| 315 | gv_efullname(sv,GvEGV(gv)); |
| 316 | dump("-> %s", SvPVX(sv)); |
| 317 | } |
| 318 | dump("\n"); |
| 319 | dumplvl--; |
| 320 | dump("}\n"); |
| 321 | } |
| 322 | |
| 323 | void |
| 324 | dump_pm(pm) |
| 325 | register PMOP *pm; |
| 326 | { |
| 327 | char ch; |
| 328 | |
| 329 | if (!pm) { |
| 330 | dump("{}\n"); |
| 331 | return; |
| 332 | } |
| 333 | dump("{\n"); |
| 334 | dumplvl++; |
| 335 | if (pm->op_pmflags & PMf_ONCE) |
| 336 | ch = '?'; |
| 337 | else |
| 338 | ch = '/'; |
| 339 | if (pm->op_pmregexp) |
| 340 | dump("PMf_PRE %c%s%c\n",ch,pm->op_pmregexp->precomp,ch); |
| 341 | if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) { |
| 342 | dump("PMf_REPL = "); |
| 343 | dump_op(pm->op_pmreplroot); |
| 344 | } |
| 345 | if (pm->op_pmshort) { |
| 346 | dump("PMf_SHORT = %s\n",SvPEEK(pm->op_pmshort)); |
| 347 | } |
| 348 | if (pm->op_pmflags) { |
| 349 | *buf = '\0'; |
| 350 | if (pm->op_pmflags & PMf_USED) |
| 351 | (void)strcat(buf,"USED,"); |
| 352 | if (pm->op_pmflags & PMf_ONCE) |
| 353 | (void)strcat(buf,"ONCE,"); |
| 354 | if (pm->op_pmflags & PMf_SCANFIRST) |
| 355 | (void)strcat(buf,"SCANFIRST,"); |
| 356 | if (pm->op_pmflags & PMf_ALL) |
| 357 | (void)strcat(buf,"ALL,"); |
| 358 | if (pm->op_pmflags & PMf_SKIPWHITE) |
| 359 | (void)strcat(buf,"SKIPWHITE,"); |
| 360 | if (pm->op_pmflags & PMf_FOLD) |
| 361 | (void)strcat(buf,"FOLD,"); |
| 362 | if (pm->op_pmflags & PMf_CONST) |
| 363 | (void)strcat(buf,"CONST,"); |
| 364 | if (pm->op_pmflags & PMf_KEEP) |
| 365 | (void)strcat(buf,"KEEP,"); |
| 366 | if (pm->op_pmflags & PMf_GLOBAL) |
| 367 | (void)strcat(buf,"GLOBAL,"); |
| 368 | if (pm->op_pmflags & PMf_RUNTIME) |
| 369 | (void)strcat(buf,"RUNTIME,"); |
| 370 | if (pm->op_pmflags & PMf_EVAL) |
| 371 | (void)strcat(buf,"EVAL,"); |
| 372 | if (*buf) |
| 373 | buf[strlen(buf)-1] = '\0'; |
| 374 | dump("PMFLAGS = (%s)\n",buf); |
| 375 | } |
| 376 | |
| 377 | dumplvl--; |
| 378 | dump("}\n"); |
| 379 | } |
| 380 | |
| 381 | /* VARARGS1 */ |
| 382 | static void dump(arg1,arg2,arg3,arg4,arg5) |
| 383 | char *arg1; |
| 384 | long arg2, arg3, arg4, arg5; |
| 385 | { |
| 386 | I32 i; |
| 387 | |
| 388 | for (i = dumplvl*4; i; i--) |
| 389 | (void)putc(' ',stderr); |
| 390 | fprintf(stderr,arg1, arg2, arg3, arg4, arg5); |
| 391 | } |
| 392 | #endif |