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1 | /* $RCSfile: dump.c,v $$Revision: 4.1 $$Date: 92/08/07 17:20:03 $ |
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2 | * |
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3 | * Copyright (c) 1991, 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 | * |
8 | * $Log: dump.c,v $ |
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9 | * Revision 4.1 92/08/07 17:20:03 lwall |
10 | * Stage 6 Snapshot |
11 | * |
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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 | * |
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16 | * Revision 4.0.1.1 91/06/07 10:58:44 lwall |
17 | * patch4: new copyright notice |
18 | * |
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19 | * Revision 4.0 91/03/20 01:08:25 lwall |
20 | * 4.0 baseline. |
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21 | * |
22 | */ |
23 | |
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24 | #include "EXTERN.h" |
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25 | #include "perl.h" |
26 | |
27 | #ifdef DEBUGGING |
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28 | |
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29 | static void dump(); |
30 | |
31 | void |
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32 | dump_all() |
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33 | { |
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34 | setlinebuf(stderr); |
35 | if (main_root) |
36 | dump_op(main_root); |
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37 | dump_packsubs(defstash); |
38 | } |
39 | |
40 | void |
41 | dump_packsubs(stash) |
42 | HV* stash; |
43 | { |
44 | U32 i; |
45 | HE *entry; |
46 | |
47 | for (i = 0; i <= HvMAX(stash); i++) { |
48 | for (entry = HvARRAY(stash)[i]; entry; entry = entry->hent_next) { |
49 | GV *gv = (GV*)entry->hent_val; |
50 | HV *hv; |
51 | if (GvCV(gv)) |
52 | dump_sub(gv); |
53 | if (*entry->hent_key == '_' && (hv = GvHV(gv)) && HvNAME(hv) && |
54 | hv != defstash) |
55 | dump_packsubs(hv); /* nested package */ |
56 | } |
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57 | } |
58 | } |
59 | |
60 | void |
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61 | dump_sub(gv) |
62 | GV* gv; |
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63 | { |
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64 | SV *sv = sv_mortalcopy(&sv_undef); |
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65 | if (GvCV(gv)) { |
66 | gv_fullname(sv,gv); |
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67 | dump("\nSUB %s = ", SvPVX(sv)); |
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68 | if (CvUSERSUB(GvCV(gv))) |
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69 | dump("(xsub 0x%x %d)\n", |
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70 | (long)CvUSERSUB(GvCV(gv)), |
71 | CvUSERINDEX(GvCV(gv))); |
72 | else if (CvROOT(GvCV(gv))) |
73 | dump_op(CvROOT(GvCV(gv))); |
74 | else |
75 | dump("<undef>\n"); |
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76 | } |
77 | } |
78 | |
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79 | void |
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80 | dump_eval() |
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81 | { |
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82 | register I32 i; |
83 | register GV *gv; |
84 | register HE *entry; |
85 | |
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86 | dump_op(eval_root); |
87 | } |
88 | |
89 | void |
90 | dump_op(op) |
91 | register OP *op; |
92 | { |
93 | SV *tmpsv; |
94 | |
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95 | dump("{\n"); |
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96 | if (op->op_seq) |
97 | fprintf(stderr, "%-4d", op->op_seq); |
98 | else |
99 | fprintf(stderr, " "); |
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100 | dump("TYPE = %s ===> ", op_name[op->op_type]); |
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101 | if (op->op_next) { |
102 | if (op->op_seq) |
103 | fprintf(stderr, "%d\n", op->op_next->op_seq); |
104 | else |
105 | fprintf(stderr, "(%d)\n", op->op_next->op_seq); |
106 | } |
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107 | else |
108 | fprintf(stderr, "DONE\n"); |
109 | dumplvl++; |
110 | if (op->op_targ) |
111 | dump("TARG = %d\n", op->op_targ); |
112 | #ifdef NOTDEF |
113 | dump("ADDR = 0x%lx => 0x%lx\n",op, op->op_next); |
114 | #endif |
115 | if (op->op_flags) { |
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116 | *buf = '\0'; |
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117 | if (op->op_flags & OPf_KNOW) { |
118 | if (op->op_flags & OPf_LIST) |
119 | (void)strcat(buf,"LIST,"); |
120 | else |
121 | (void)strcat(buf,"SCALAR,"); |
122 | } |
123 | else |
124 | (void)strcat(buf,"UNKNOWN,"); |
125 | if (op->op_flags & OPf_KIDS) |
126 | (void)strcat(buf,"KIDS,"); |
127 | if (op->op_flags & OPf_PARENS) |
128 | (void)strcat(buf,"PARENS,"); |
129 | if (op->op_flags & OPf_STACKED) |
130 | (void)strcat(buf,"STACKED,"); |
131 | if (op->op_flags & OPf_LVAL) |
132 | (void)strcat(buf,"LVAL,"); |
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133 | if (op->op_flags & OPf_INTRO) |
134 | (void)strcat(buf,"INTRO,"); |
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135 | if (op->op_flags & OPf_SPECIAL) |
136 | (void)strcat(buf,"SPECIAL,"); |
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137 | if (*buf) |
138 | buf[strlen(buf)-1] = '\0'; |
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139 | dump("FLAGS = (%s)\n",buf); |
140 | } |
141 | if (op->op_private) { |
142 | *buf = '\0'; |
143 | if (op->op_type == OP_AASSIGN) { |
144 | if (op->op_private & OPpASSIGN_COMMON) |
145 | (void)strcat(buf,"COMMON,"); |
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146 | } |
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147 | else if (op->op_type == OP_TRANS) { |
148 | if (op->op_private & OPpTRANS_SQUASH) |
149 | (void)strcat(buf,"SQUASH,"); |
150 | if (op->op_private & OPpTRANS_DELETE) |
151 | (void)strcat(buf,"DELETE,"); |
152 | if (op->op_private & OPpTRANS_COMPLEMENT) |
153 | (void)strcat(buf,"COMPLEMENT,"); |
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154 | } |
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155 | else if (op->op_type == OP_REPEAT) { |
156 | if (op->op_private & OPpREPEAT_DOLIST) |
157 | (void)strcat(buf,"DOLIST,"); |
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158 | } |
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159 | else if (op->op_type == OP_ENTERSUBR) { |
160 | if (op->op_private & OPpSUBR_DB) |
161 | (void)strcat(buf,"DB,"); |
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162 | } |
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163 | else if (op->op_type == OP_CONST) { |
164 | if (op->op_private & OPpCONST_BARE) |
165 | (void)strcat(buf,"BARE,"); |
166 | } |
167 | else if (op->op_type == OP_FLIP) { |
168 | if (op->op_private & OPpFLIP_LINENUM) |
169 | (void)strcat(buf,"LINENUM,"); |
170 | } |
171 | else if (op->op_type == OP_FLOP) { |
172 | if (op->op_private & OPpFLIP_LINENUM) |
173 | (void)strcat(buf,"LINENUM,"); |
174 | } |
175 | if (*buf) { |
176 | buf[strlen(buf)-1] = '\0'; |
177 | dump("PRIVATE = (%s)\n",buf); |
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178 | } |
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179 | } |
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180 | |
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181 | switch (op->op_type) { |
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182 | case OP_GVSV: |
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183 | case OP_GV: |
184 | if (cGVOP->op_gv) { |
185 | tmpsv = NEWSV(0,0); |
186 | gv_fullname(tmpsv,cGVOP->op_gv); |
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187 | dump("GV = %s\n", SvPV(tmpsv, na)); |
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188 | sv_free(tmpsv); |
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189 | } |
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190 | else |
191 | dump("GV = NULL\n"); |
192 | break; |
193 | case OP_CONST: |
194 | dump("SV = %s\n", SvPEEK(cSVOP->op_sv)); |
195 | break; |
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196 | case OP_NEXTSTATE: |
197 | case OP_DBSTATE: |
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198 | if (cCOP->cop_line) |
199 | dump("LINE = %d\n",cCOP->cop_line); |
200 | if (cCOP->cop_label) |
201 | dump("LABEL = \"%s\"\n",cCOP->cop_label); |
202 | break; |
203 | case OP_ENTERLOOP: |
204 | dump("REDO ===> "); |
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205 | if (cLOOP->op_redoop) |
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206 | fprintf(stderr, "%d\n", cLOOP->op_redoop->op_seq); |
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207 | else |
208 | fprintf(stderr, "DONE\n"); |
209 | dump("NEXT ===> "); |
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210 | if (cLOOP->op_nextop) |
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211 | fprintf(stderr, "%d\n", cLOOP->op_nextop->op_seq); |
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212 | else |
213 | fprintf(stderr, "DONE\n"); |
214 | dump("LAST ===> "); |
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215 | if (cLOOP->op_lastop) |
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216 | fprintf(stderr, "%d\n", cLOOP->op_lastop->op_seq); |
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217 | else |
218 | fprintf(stderr, "DONE\n"); |
219 | break; |
220 | case OP_COND_EXPR: |
221 | dump("TRUE ===> "); |
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222 | if (cCONDOP->op_true) |
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223 | fprintf(stderr, "%d\n", cCONDOP->op_true->op_seq); |
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224 | else |
225 | fprintf(stderr, "DONE\n"); |
226 | dump("FALSE ===> "); |
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227 | if (cCONDOP->op_false) |
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228 | fprintf(stderr, "%d\n", cCONDOP->op_false->op_seq); |
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229 | else |
230 | fprintf(stderr, "DONE\n"); |
231 | break; |
232 | case OP_GREPWHILE: |
233 | case OP_OR: |
234 | case OP_AND: |
235 | case OP_METHOD: |
236 | dump("OTHER ===> "); |
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237 | if (cLOGOP->op_other) |
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238 | fprintf(stderr, "%d\n", cLOGOP->op_other->op_seq); |
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239 | else |
240 | fprintf(stderr, "DONE\n"); |
241 | break; |
242 | case OP_PUSHRE: |
243 | case OP_MATCH: |
244 | case OP_SUBST: |
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245 | dump_pm((PMOP*)op); |
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246 | break; |
247 | } |
248 | if (op->op_flags & OPf_KIDS) { |
249 | OP *kid; |
250 | for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) |
251 | dump_op(kid); |
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252 | } |
253 | dumplvl--; |
254 | dump("}\n"); |
255 | } |
256 | |
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257 | void |
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258 | dump_gv(gv) |
259 | register GV *gv; |
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260 | { |
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261 | SV *sv; |
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262 | |
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263 | if (!gv) { |
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264 | fprintf(stderr,"{}\n"); |
265 | return; |
266 | } |
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267 | sv = sv_mortalcopy(&sv_undef); |
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268 | dumplvl++; |
269 | fprintf(stderr,"{\n"); |
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270 | gv_fullname(sv,gv); |
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271 | dump("GV_NAME = %s", SvPVX(sv)); |
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272 | if (gv != GvEGV(gv)) { |
273 | gv_efullname(sv,GvEGV(gv)); |
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274 | dump("-> %s", SvPVX(sv)); |
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275 | } |
276 | dump("\n"); |
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277 | dumplvl--; |
278 | dump("}\n"); |
279 | } |
280 | |
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281 | void |
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282 | dump_pm(pm) |
283 | register PMOP *pm; |
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284 | { |
285 | char ch; |
286 | |
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287 | if (!pm) { |
288 | dump("{}\n"); |
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289 | return; |
290 | } |
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291 | dump("{\n"); |
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292 | dumplvl++; |
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293 | if (pm->op_pmflags & PMf_ONCE) |
294 | ch = '?'; |
295 | else |
296 | ch = '/'; |
297 | if (pm->op_pmregexp) |
298 | dump("PMf_PRE %c%s%c\n",ch,pm->op_pmregexp->precomp,ch); |
299 | if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) { |
300 | dump("PMf_REPL = "); |
301 | dump_op(pm->op_pmreplroot); |
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302 | } |
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303 | if (pm->op_pmshort) { |
304 | dump("PMf_SHORT = %s\n",SvPEEK(pm->op_pmshort)); |
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305 | } |
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306 | if (pm->op_pmflags) { |
307 | *buf = '\0'; |
308 | if (pm->op_pmflags & PMf_USED) |
309 | (void)strcat(buf,"USED,"); |
310 | if (pm->op_pmflags & PMf_ONCE) |
311 | (void)strcat(buf,"ONCE,"); |
312 | if (pm->op_pmflags & PMf_SCANFIRST) |
313 | (void)strcat(buf,"SCANFIRST,"); |
314 | if (pm->op_pmflags & PMf_ALL) |
315 | (void)strcat(buf,"ALL,"); |
316 | if (pm->op_pmflags & PMf_SKIPWHITE) |
317 | (void)strcat(buf,"SKIPWHITE,"); |
318 | if (pm->op_pmflags & PMf_FOLD) |
319 | (void)strcat(buf,"FOLD,"); |
320 | if (pm->op_pmflags & PMf_CONST) |
321 | (void)strcat(buf,"CONST,"); |
322 | if (pm->op_pmflags & PMf_KEEP) |
323 | (void)strcat(buf,"KEEP,"); |
324 | if (pm->op_pmflags & PMf_GLOBAL) |
325 | (void)strcat(buf,"GLOBAL,"); |
326 | if (pm->op_pmflags & PMf_RUNTIME) |
327 | (void)strcat(buf,"RUNTIME,"); |
328 | if (pm->op_pmflags & PMf_EVAL) |
329 | (void)strcat(buf,"EVAL,"); |
330 | if (*buf) |
331 | buf[strlen(buf)-1] = '\0'; |
332 | dump("PMFLAGS = (%s)\n",buf); |
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333 | } |
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334 | |
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335 | dumplvl--; |
336 | dump("}\n"); |
337 | } |
338 | |
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339 | /* VARARGS1 */ |
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340 | static void dump(arg1,arg2,arg3,arg4,arg5) |
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341 | char *arg1; |
342 | long arg2, arg3, arg4, arg5; |
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343 | { |
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344 | I32 i; |
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345 | |
346 | for (i = dumplvl*4; i; i--) |
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347 | (void)putc(' ',stderr); |
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348 | fprintf(stderr,arg1, arg2, arg3, arg4, arg5); |
349 | } |
350 | #endif |