This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Okay, here's your official unofficial closure leak patch
[perl5.git] / dump.c
CommitLineData
a0d0e21e 1/* dump.c
a687059c 2 *
a0d0e21e 3 * Copyright (c) 1991-1994, Larry Wall
a687059c 4 *
6e21c824
LW
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.
8d063cd8 7 *
a0d0e21e
LW
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.'"
8d063cd8
LW
13 */
14
8d063cd8 15#include "EXTERN.h"
8d063cd8
LW
16#include "perl.h"
17
2304df62
AD
18#ifndef DEBUGGING
19void
20dump_all()
21{
22}
23#else /* Rest of file is for DEBUGGING */
8d063cd8 24
8adcabd8
LW
25static void dump();
26
27void
93a17b20 28dump_all()
79072805 29{
2304df62 30#ifdef HAS_SETLINEBUF
93a17b20 31 setlinebuf(stderr);
2304df62
AD
32#else
33 setvbuf(stderr, Nullch, _IOLBF, 0);
34#endif
93a17b20
LW
35 if (main_root)
36 dump_op(main_root);
463ee0b2
LW
37 dump_packsubs(defstash);
38}
39
40void
41dump_packsubs(stash)
42HV* stash;
43{
a0d0e21e 44 I32 i;
463ee0b2
LW
45 HE *entry;
46
8990e307
LW
47 if (!HvARRAY(stash))
48 return;
a0d0e21e 49 for (i = 0; i <= (I32) HvMAX(stash); i++) {
463ee0b2
LW
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);
85e6fe83
LW
55 if (GvFORM(gv))
56 dump_form(gv);
a0d0e21e
LW
57 if (entry->hent_key[entry->hent_klen-1] == ':' &&
58 (hv = GvHV(gv)) && HvNAME(hv) && hv != defstash)
463ee0b2
LW
59 dump_packsubs(hv); /* nested package */
60 }
79072805
LW
61 }
62}
63
64void
93a17b20
LW
65dump_sub(gv)
66GV* gv;
a687059c 67{
8990e307 68 SV *sv = sv_newmortal();
85e6fe83
LW
69
70 gv_fullname(sv,gv);
71 dump("\nSUB %s = ", SvPVX(sv));
a0d0e21e 72 if (CvXSUB(GvCV(gv)))
85e6fe83 73 dump("(xsub 0x%x %d)\n",
a0d0e21e
LW
74 (long)CvXSUB(GvCV(gv)),
75 CvXSUBANY(GvCV(gv)).any_i32);
85e6fe83
LW
76 else if (CvROOT(GvCV(gv)))
77 dump_op(CvROOT(GvCV(gv)));
78 else
79 dump("<undef>\n");
80}
81
82void
83dump_form(gv)
84GV* 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");
a687059c
LW
94}
95
8adcabd8 96void
79072805 97dump_eval()
8d063cd8 98{
79072805
LW
99 dump_op(eval_root);
100}
101
102void
103dump_op(op)
104register OP *op;
105{
106 SV *tmpsv;
107
79072805 108 dump("{\n");
93a17b20
LW
109 if (op->op_seq)
110 fprintf(stderr, "%-4d", op->op_seq);
111 else
112 fprintf(stderr, " ");
79072805 113 dump("TYPE = %s ===> ", op_name[op->op_type]);
93a17b20
LW
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 }
79072805
LW
120 else
121 fprintf(stderr, "DONE\n");
122 dumplvl++;
8990e307
LW
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 }
748a9306 129#ifdef DUMPADDR
79072805
LW
130 dump("ADDR = 0x%lx => 0x%lx\n",op, op->op_next);
131#endif
132 if (op->op_flags) {
8d063cd8 133 *buf = '\0';
79072805
LW
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,");
a0d0e21e
LW
148 if (op->op_flags & OPf_REF)
149 (void)strcat(buf,"REF,");
150 if (op->op_flags & OPf_MOD)
151 (void)strcat(buf,"MOD,");
79072805
LW
152 if (op->op_flags & OPf_SPECIAL)
153 (void)strcat(buf,"SPECIAL,");
8d063cd8
LW
154 if (*buf)
155 buf[strlen(buf)-1] = '\0';
79072805
LW
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,");
8d063cd8 163 }
a0d0e21e
LW
164 else if (op->op_type == OP_SASSIGN) {
165 if (op->op_private & OPpASSIGN_BACKWARDS)
166 (void)strcat(buf,"BACKWARDS,");
167 }
79072805
LW
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,");
8d063cd8 175 }
79072805
LW
176 else if (op->op_type == OP_REPEAT) {
177 if (op->op_private & OPpREPEAT_DOLIST)
178 (void)strcat(buf,"DOLIST,");
8d063cd8 179 }
a0d0e21e 180 else if (op->op_type == OP_ENTERSUB ||
85e6fe83
LW
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 & OPpDEREF_DB)
79072805 189 (void)strcat(buf,"DB,");
85e6fe83
LW
190 if (op->op_private & OPpDEREF_AV)
191 (void)strcat(buf,"AV,");
192 if (op->op_private & OPpDEREF_HV)
193 (void)strcat(buf,"HV,");
194 if (op->op_private & HINT_STRICT_REFS)
195 (void)strcat(buf,"STRICT_REFS,");
8d063cd8 196 }
79072805
LW
197 else if (op->op_type == OP_CONST) {
198 if (op->op_private & OPpCONST_BARE)
199 (void)strcat(buf,"BARE,");
200 }
201 else if (op->op_type == OP_FLIP) {
202 if (op->op_private & OPpFLIP_LINENUM)
203 (void)strcat(buf,"LINENUM,");
204 }
205 else if (op->op_type == OP_FLOP) {
206 if (op->op_private & OPpFLIP_LINENUM)
207 (void)strcat(buf,"LINENUM,");
208 }
a0d0e21e
LW
209 if (op->op_flags & OPf_MOD && op->op_private & OPpLVAL_INTRO)
210 (void)strcat(buf,"INTRO,");
79072805
LW
211 if (*buf) {
212 buf[strlen(buf)-1] = '\0';
213 dump("PRIVATE = (%s)\n",buf);
8d063cd8 214 }
8d063cd8 215 }
8d063cd8 216
79072805 217 switch (op->op_type) {
93a17b20 218 case OP_GVSV:
79072805
LW
219 case OP_GV:
220 if (cGVOP->op_gv) {
8990e307 221 ENTER;
79072805 222 tmpsv = NEWSV(0,0);
8990e307 223 SAVEFREESV(tmpsv);
79072805 224 gv_fullname(tmpsv,cGVOP->op_gv);
463ee0b2 225 dump("GV = %s\n", SvPV(tmpsv, na));
8990e307 226 LEAVE;
378cc40b 227 }
79072805
LW
228 else
229 dump("GV = NULL\n");
230 break;
231 case OP_CONST:
232 dump("SV = %s\n", SvPEEK(cSVOP->op_sv));
233 break;
93a17b20
LW
234 case OP_NEXTSTATE:
235 case OP_DBSTATE:
79072805
LW
236 if (cCOP->cop_line)
237 dump("LINE = %d\n",cCOP->cop_line);
238 if (cCOP->cop_label)
239 dump("LABEL = \"%s\"\n",cCOP->cop_label);
240 break;
241 case OP_ENTERLOOP:
242 dump("REDO ===> ");
93a17b20 243 if (cLOOP->op_redoop)
79072805 244 fprintf(stderr, "%d\n", cLOOP->op_redoop->op_seq);
79072805
LW
245 else
246 fprintf(stderr, "DONE\n");
247 dump("NEXT ===> ");
93a17b20 248 if (cLOOP->op_nextop)
79072805 249 fprintf(stderr, "%d\n", cLOOP->op_nextop->op_seq);
79072805
LW
250 else
251 fprintf(stderr, "DONE\n");
252 dump("LAST ===> ");
93a17b20 253 if (cLOOP->op_lastop)
79072805 254 fprintf(stderr, "%d\n", cLOOP->op_lastop->op_seq);
79072805
LW
255 else
256 fprintf(stderr, "DONE\n");
257 break;
258 case OP_COND_EXPR:
259 dump("TRUE ===> ");
93a17b20 260 if (cCONDOP->op_true)
79072805 261 fprintf(stderr, "%d\n", cCONDOP->op_true->op_seq);
79072805
LW
262 else
263 fprintf(stderr, "DONE\n");
264 dump("FALSE ===> ");
93a17b20 265 if (cCONDOP->op_false)
79072805 266 fprintf(stderr, "%d\n", cCONDOP->op_false->op_seq);
79072805
LW
267 else
268 fprintf(stderr, "DONE\n");
269 break;
a0d0e21e 270 case OP_MAPWHILE:
79072805
LW
271 case OP_GREPWHILE:
272 case OP_OR:
273 case OP_AND:
79072805 274 dump("OTHER ===> ");
93a17b20 275 if (cLOGOP->op_other)
79072805 276 fprintf(stderr, "%d\n", cLOGOP->op_other->op_seq);
79072805
LW
277 else
278 fprintf(stderr, "DONE\n");
279 break;
280 case OP_PUSHRE:
281 case OP_MATCH:
282 case OP_SUBST:
463ee0b2 283 dump_pm((PMOP*)op);
79072805 284 break;
a0d0e21e
LW
285 default:
286 break;
79072805
LW
287 }
288 if (op->op_flags & OPf_KIDS) {
289 OP *kid;
290 for (kid = cUNOP->op_first; kid; kid = kid->op_sibling)
291 dump_op(kid);
8d063cd8
LW
292 }
293 dumplvl--;
294 dump("}\n");
295}
296
8adcabd8 297void
79072805
LW
298dump_gv(gv)
299register GV *gv;
378cc40b 300{
79072805 301 SV *sv;
378cc40b 302
79072805 303 if (!gv) {
378cc40b
LW
304 fprintf(stderr,"{}\n");
305 return;
306 }
8990e307 307 sv = sv_newmortal();
8d063cd8
LW
308 dumplvl++;
309 fprintf(stderr,"{\n");
79072805 310 gv_fullname(sv,gv);
463ee0b2 311 dump("GV_NAME = %s", SvPVX(sv));
79072805
LW
312 if (gv != GvEGV(gv)) {
313 gv_efullname(sv,GvEGV(gv));
463ee0b2 314 dump("-> %s", SvPVX(sv));
8adcabd8
LW
315 }
316 dump("\n");
8d063cd8
LW
317 dumplvl--;
318 dump("}\n");
319}
320
8adcabd8 321void
79072805
LW
322dump_pm(pm)
323register PMOP *pm;
8d063cd8
LW
324{
325 char ch;
326
79072805
LW
327 if (!pm) {
328 dump("{}\n");
378cc40b
LW
329 return;
330 }
79072805 331 dump("{\n");
8d063cd8 332 dumplvl++;
79072805
LW
333 if (pm->op_pmflags & PMf_ONCE)
334 ch = '?';
335 else
336 ch = '/';
337 if (pm->op_pmregexp)
338 dump("PMf_PRE %c%s%c\n",ch,pm->op_pmregexp->precomp,ch);
339 if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
340 dump("PMf_REPL = ");
341 dump_op(pm->op_pmreplroot);
8d063cd8 342 }
79072805
LW
343 if (pm->op_pmshort) {
344 dump("PMf_SHORT = %s\n",SvPEEK(pm->op_pmshort));
8d063cd8 345 }
79072805
LW
346 if (pm->op_pmflags) {
347 *buf = '\0';
348 if (pm->op_pmflags & PMf_USED)
349 (void)strcat(buf,"USED,");
350 if (pm->op_pmflags & PMf_ONCE)
351 (void)strcat(buf,"ONCE,");
352 if (pm->op_pmflags & PMf_SCANFIRST)
353 (void)strcat(buf,"SCANFIRST,");
354 if (pm->op_pmflags & PMf_ALL)
355 (void)strcat(buf,"ALL,");
356 if (pm->op_pmflags & PMf_SKIPWHITE)
357 (void)strcat(buf,"SKIPWHITE,");
358 if (pm->op_pmflags & PMf_FOLD)
359 (void)strcat(buf,"FOLD,");
360 if (pm->op_pmflags & PMf_CONST)
361 (void)strcat(buf,"CONST,");
362 if (pm->op_pmflags & PMf_KEEP)
363 (void)strcat(buf,"KEEP,");
364 if (pm->op_pmflags & PMf_GLOBAL)
365 (void)strcat(buf,"GLOBAL,");
366 if (pm->op_pmflags & PMf_RUNTIME)
367 (void)strcat(buf,"RUNTIME,");
368 if (pm->op_pmflags & PMf_EVAL)
369 (void)strcat(buf,"EVAL,");
370 if (*buf)
371 buf[strlen(buf)-1] = '\0';
372 dump("PMFLAGS = (%s)\n",buf);
378cc40b 373 }
79072805 374
8d063cd8
LW
375 dumplvl--;
376 dump("}\n");
377}
378
378cc40b 379/* VARARGS1 */
8adcabd8 380static void dump(arg1,arg2,arg3,arg4,arg5)
378cc40b
LW
381char *arg1;
382long arg2, arg3, arg4, arg5;
8d063cd8 383{
79072805 384 I32 i;
8d063cd8
LW
385
386 for (i = dumplvl*4; i; i--)
a687059c 387 (void)putc(' ',stderr);
8d063cd8
LW
388 fprintf(stderr,arg1, arg2, arg3, arg4, arg5);
389}
390#endif