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1 | /* dump.c |
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2 | * |
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3 | * Copyright (c) 1991-1994, Larry Wall |
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4 | * |
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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. |
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7 | * |
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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.'" |
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13 | */ |
14 | |
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15 | #include "EXTERN.h" |
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16 | #include "perl.h" |
17 | |
2304df62 |
18 | #ifndef DEBUGGING |
19 | void |
20 | dump_all() |
21 | { |
22 | } |
23 | #else /* Rest of file is for DEBUGGING */ |
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24 | |
8adcabd8 |
25 | static void dump(); |
26 | |
27 | void |
93a17b20 |
28 | dump_all() |
79072805 |
29 | { |
2304df62 |
30 | #ifdef HAS_SETLINEBUF |
93a17b20 |
31 | setlinebuf(stderr); |
2304df62 |
32 | #else |
33 | setvbuf(stderr, Nullch, _IOLBF, 0); |
34 | #endif |
93a17b20 |
35 | if (main_root) |
36 | dump_op(main_root); |
463ee0b2 |
37 | dump_packsubs(defstash); |
38 | } |
39 | |
40 | void |
41 | dump_packsubs(stash) |
42 | HV* stash; |
43 | { |
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44 | I32 i; |
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45 | HE *entry; |
46 | |
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47 | if (!HvARRAY(stash)) |
48 | return; |
a0d0e21e |
49 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
463ee0b2 |
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 |
55 | if (GvFORM(gv)) |
56 | dump_form(gv); |
a0d0e21e |
57 | if (entry->hent_key[entry->hent_klen-1] == ':' && |
58 | (hv = GvHV(gv)) && HvNAME(hv) && hv != defstash) |
463ee0b2 |
59 | dump_packsubs(hv); /* nested package */ |
60 | } |
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61 | } |
62 | } |
63 | |
64 | void |
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65 | dump_sub(gv) |
66 | GV* gv; |
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67 | { |
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68 | SV *sv = sv_newmortal(); |
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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 |
74 | (long)CvXSUB(GvCV(gv)), |
75 | CvXSUBANY(GvCV(gv)).any_i32); |
85e6fe83 |
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"); |
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94 | } |
95 | |
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96 | void |
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97 | dump_eval() |
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98 | { |
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99 | dump_op(eval_root); |
100 | } |
101 | |
102 | void |
103 | dump_op(op) |
104 | register OP *op; |
105 | { |
106 | SV *tmpsv; |
107 | |
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108 | dump("{\n"); |
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109 | if (op->op_seq) |
110 | fprintf(stderr, "%-4d", op->op_seq); |
111 | else |
112 | fprintf(stderr, " "); |
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113 | dump("TYPE = %s ===> ", op_name[op->op_type]); |
93a17b20 |
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 | } |
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120 | else |
121 | fprintf(stderr, "DONE\n"); |
122 | dumplvl++; |
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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 | } |
79072805 |
129 | #ifdef NOTDEF |
130 | dump("ADDR = 0x%lx => 0x%lx\n",op, op->op_next); |
131 | #endif |
132 | if (op->op_flags) { |
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133 | *buf = '\0'; |
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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,"); |
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148 | if (op->op_flags & OPf_REF) |
149 | (void)strcat(buf,"REF,"); |
150 | if (op->op_flags & OPf_MOD) |
151 | (void)strcat(buf,"MOD,"); |
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152 | if (op->op_flags & OPf_SPECIAL) |
153 | (void)strcat(buf,"SPECIAL,"); |
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154 | if (*buf) |
155 | buf[strlen(buf)-1] = '\0'; |
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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 |
164 | else if (op->op_type == OP_SASSIGN) { |
165 | if (op->op_private & OPpASSIGN_BACKWARDS) |
166 | (void)strcat(buf,"BACKWARDS,"); |
167 | } |
79072805 |
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 |
176 | else if (op->op_type == OP_REPEAT) { |
177 | if (op->op_private & OPpREPEAT_DOLIST) |
178 | (void)strcat(buf,"DOLIST,"); |
8d063cd8 |
179 | } |
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180 | else if (op->op_type == OP_ENTERSUB || |
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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) |
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189 | (void)strcat(buf,"DB,"); |
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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,"); |
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196 | } |
79072805 |
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 | } |
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209 | if (op->op_flags & OPf_MOD && op->op_private & OPpLVAL_INTRO) |
210 | (void)strcat(buf,"INTRO,"); |
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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 |
219 | case OP_GV: |
220 | if (cGVOP->op_gv) { |
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221 | ENTER; |
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222 | tmpsv = NEWSV(0,0); |
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223 | SAVEFREESV(tmpsv); |
79072805 |
224 | gv_fullname(tmpsv,cGVOP->op_gv); |
463ee0b2 |
225 | dump("GV = %s\n", SvPV(tmpsv, na)); |
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226 | LEAVE; |
378cc40b |
227 | } |
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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 |
234 | case OP_NEXTSTATE: |
235 | case OP_DBSTATE: |
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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) |
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244 | fprintf(stderr, "%d\n", cLOOP->op_redoop->op_seq); |
79072805 |
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 |
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); |
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255 | else |
256 | fprintf(stderr, "DONE\n"); |
257 | break; |
258 | case OP_COND_EXPR: |
259 | dump("TRUE ===> "); |
93a17b20 |
260 | if (cCONDOP->op_true) |
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261 | fprintf(stderr, "%d\n", cCONDOP->op_true->op_seq); |
79072805 |
262 | else |
263 | fprintf(stderr, "DONE\n"); |
264 | dump("FALSE ===> "); |
93a17b20 |
265 | if (cCONDOP->op_false) |
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266 | fprintf(stderr, "%d\n", cCONDOP->op_false->op_seq); |
79072805 |
267 | else |
268 | fprintf(stderr, "DONE\n"); |
269 | break; |
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270 | case OP_MAPWHILE: |
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271 | case OP_GREPWHILE: |
272 | case OP_OR: |
273 | case OP_AND: |
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274 | dump("OTHER ===> "); |
93a17b20 |
275 | if (cLOGOP->op_other) |
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276 | fprintf(stderr, "%d\n", cLOGOP->op_other->op_seq); |
79072805 |
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; |
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285 | default: |
286 | break; |
79072805 |
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 |
292 | } |
293 | dumplvl--; |
294 | dump("}\n"); |
295 | } |
296 | |
8adcabd8 |
297 | void |
79072805 |
298 | dump_gv(gv) |
299 | register GV *gv; |
378cc40b |
300 | { |
79072805 |
301 | SV *sv; |
378cc40b |
302 | |
79072805 |
303 | if (!gv) { |
378cc40b |
304 | fprintf(stderr,"{}\n"); |
305 | return; |
306 | } |
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307 | sv = sv_newmortal(); |
8d063cd8 |
308 | dumplvl++; |
309 | fprintf(stderr,"{\n"); |
79072805 |
310 | gv_fullname(sv,gv); |
463ee0b2 |
311 | dump("GV_NAME = %s", SvPVX(sv)); |
79072805 |
312 | if (gv != GvEGV(gv)) { |
313 | gv_efullname(sv,GvEGV(gv)); |
463ee0b2 |
314 | dump("-> %s", SvPVX(sv)); |
8adcabd8 |
315 | } |
316 | dump("\n"); |
8d063cd8 |
317 | dumplvl--; |
318 | dump("}\n"); |
319 | } |
320 | |
8adcabd8 |
321 | void |
79072805 |
322 | dump_pm(pm) |
323 | register PMOP *pm; |
8d063cd8 |
324 | { |
325 | char ch; |
326 | |
79072805 |
327 | if (!pm) { |
328 | dump("{}\n"); |
378cc40b |
329 | return; |
330 | } |
79072805 |
331 | dump("{\n"); |
8d063cd8 |
332 | dumplvl++; |
79072805 |
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 |
343 | if (pm->op_pmshort) { |
344 | dump("PMf_SHORT = %s\n",SvPEEK(pm->op_pmshort)); |
8d063cd8 |
345 | } |
79072805 |
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 |
375 | dumplvl--; |
376 | dump("}\n"); |
377 | } |
378 | |
378cc40b |
379 | /* VARARGS1 */ |
8adcabd8 |
380 | static void dump(arg1,arg2,arg3,arg4,arg5) |
378cc40b |
381 | char *arg1; |
382 | long arg2, arg3, arg4, arg5; |
8d063cd8 |
383 | { |
79072805 |
384 | I32 i; |
8d063cd8 |
385 | |
386 | for (i = dumplvl*4; i; i--) |
a687059c |
387 | (void)putc(' ',stderr); |
8d063cd8 |
388 | fprintf(stderr,arg1, arg2, arg3, arg4, arg5); |
389 | } |
390 | #endif |