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79072805 |
1 | /* $RCSfile: walk.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:31 $ |
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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. |
8d063cd8 |
7 | * |
8 | * $Log: walk.c,v $ |
79072805 |
9 | * Revision 4.1 92/08/07 18:29:31 lwall |
10 | * |
7c0587c8 |
11 | * Revision 4.0.1.3 92/06/08 17:33:46 lwall |
12 | * patch20: in a2p, simplified the filehandle model |
13 | * patch20: in a2p, made RS="" translate to $/ = "\n\n" |
14 | * patch20: in a2p, do {...} while ... was missing some reconstruction code |
15 | * patch20: in a2p, getline should allow variable to be array element |
16 | * |
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17 | * Revision 4.0.1.2 91/11/05 19:25:09 lwall |
18 | * patch11: in a2p, split on whitespace produced extra null field |
19 | * |
d48672a2 |
20 | * Revision 4.0.1.1 91/06/07 12:22:04 lwall |
21 | * patch4: new copyright notice |
22 | * patch4: a2p didn't correctly implement -n switch |
23 | * |
fe14fcc3 |
24 | * Revision 4.0 91/03/20 01:58:36 lwall |
25 | * 4.0 baseline. |
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26 | * |
27 | */ |
28 | |
29 | #include "handy.h" |
30 | #include "EXTERN.h" |
31 | #include "util.h" |
32 | #include "a2p.h" |
33 | |
34 | bool exitval = FALSE; |
35 | bool realexit = FALSE; |
378cc40b |
36 | bool saw_getline = FALSE; |
a687059c |
37 | bool subretnum = FALSE; |
38 | bool saw_FNR = FALSE; |
39 | bool saw_argv0 = FALSE; |
d48672a2 |
40 | bool saw_fh = FALSE; |
8d063cd8 |
41 | int maxtmp = 0; |
378cc40b |
42 | char *lparen; |
43 | char *rparen; |
55204971 |
44 | char *limit; |
a687059c |
45 | STR *subs; |
46 | STR *curargs = Nullstr; |
8d063cd8 |
47 | |
48 | STR * |
a687059c |
49 | walk(useval,level,node,numericptr,minprec) |
8d063cd8 |
50 | int useval; |
51 | int level; |
52 | register int node; |
53 | int *numericptr; |
a687059c |
54 | int minprec; /* minimum precedence without parens */ |
8d063cd8 |
55 | { |
56 | register int len; |
57 | register STR *str; |
58 | register int type; |
59 | register int i; |
60 | register STR *tmpstr; |
61 | STR *tmp2str; |
a687059c |
62 | STR *tmp3str; |
8d063cd8 |
63 | char *t; |
64 | char *d, *s; |
65 | int numarg; |
66 | int numeric = FALSE; |
67 | STR *fstr; |
a687059c |
68 | int prec = P_MAX; /* assume no parens needed */ |
8d063cd8 |
69 | char *index(); |
70 | |
71 | if (!node) { |
72 | *numericptr = 0; |
73 | return str_make(""); |
74 | } |
75 | type = ops[node].ival; |
76 | len = type >> 8; |
77 | type &= 255; |
78 | switch (type) { |
79 | case OPROG: |
d48672a2 |
80 | arymax = 0; |
81 | if (namelist) { |
82 | while (isalpha(*namelist)) { |
83 | for (d = tokenbuf,s=namelist; |
84 | isalpha(*s) || isdigit(*s) || *s == '_'; |
85 | *d++ = *s++) ; |
86 | *d = '\0'; |
87 | while (*s && !isalpha(*s)) s++; |
88 | namelist = s; |
89 | nameary[++arymax] = savestr(tokenbuf); |
90 | } |
91 | } |
92 | if (maxfld < arymax) |
93 | maxfld = arymax; |
8d063cd8 |
94 | opens = str_new(0); |
a687059c |
95 | subs = str_new(0); |
96 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
97 | if (do_split && need_entire && !absmaxfld) |
98 | split_to_array = TRUE; |
99 | if (do_split && split_to_array) |
100 | set_array_base = TRUE; |
101 | if (set_array_base) { |
102 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); |
103 | } |
104 | if (fswitch && !const_FS) |
105 | const_FS = fswitch; |
106 | if (saw_FS > 1 || saw_RS) |
107 | const_FS = 0; |
108 | if (saw_ORS && need_entire) |
109 | do_chop = TRUE; |
110 | if (fswitch) { |
111 | str_cat(str,"$FS = '"); |
112 | if (index("*+?.[]()|^$\\",fswitch)) |
113 | str_cat(str,"\\"); |
114 | sprintf(tokenbuf,"%c",fswitch); |
115 | str_cat(str,tokenbuf); |
116 | str_cat(str,"';\t\t# field separator from -F switch\n"); |
117 | } |
118 | else if (saw_FS && !const_FS) { |
9bb9d9f7 |
119 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
8d063cd8 |
120 | } |
121 | if (saw_OFS) { |
a559c259 |
122 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
8d063cd8 |
123 | } |
124 | if (saw_ORS) { |
a559c259 |
125 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
8d063cd8 |
126 | } |
a687059c |
127 | if (saw_argv0) { |
128 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); |
129 | } |
8d063cd8 |
130 | if (str->str_cur > 20) |
131 | str_cat(str,"\n"); |
132 | if (ops[node+2].ival) { |
a687059c |
133 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
134 | str_free(fstr); |
135 | str_cat(str,"\n\n"); |
136 | } |
a687059c |
137 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
138 | if (*fstr->str_ptr) { |
139 | if (saw_line_op) |
140 | str_cat(str,"line: "); |
141 | str_cat(str,"while (<>) {\n"); |
142 | tab(str,++level); |
143 | if (saw_FS && !const_FS) |
144 | do_chop = TRUE; |
145 | if (do_chop) { |
146 | str_cat(str,"chop;\t# strip record separator\n"); |
147 | tab(str,level); |
8d063cd8 |
148 | } |
a687059c |
149 | if (do_split) |
150 | emit_split(str,level); |
151 | str_scat(str,fstr); |
152 | str_free(fstr); |
153 | fixtab(str,--level); |
154 | str_cat(str,"}\n"); |
155 | if (saw_FNR) |
156 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); |
8d063cd8 |
157 | } |
a687059c |
158 | else |
ae986130 |
159 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
8d063cd8 |
160 | if (ops[node+4].ival) { |
161 | realexit = TRUE; |
162 | str_cat(str,"\n"); |
163 | tab(str,level); |
a687059c |
164 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
165 | str_free(fstr); |
166 | str_cat(str,"\n"); |
167 | } |
168 | if (exitval) |
9f68db38 |
169 | str_cat(str,"exit $ExitValue;\n"); |
a687059c |
170 | if (subs->str_ptr) { |
171 | str_cat(str,"\n"); |
172 | str_scat(str,subs); |
173 | } |
378cc40b |
174 | if (saw_getline) { |
a687059c |
175 | for (len = 0; len < 4; len++) { |
176 | if (saw_getline & (1 << len)) { |
177 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); |
178 | str_cat(str, tokenbuf); |
179 | if (len & 2) { |
180 | if (do_fancy_opens) |
181 | str_cat(str," &Pick('',@_);\n"); |
182 | else |
183 | str_cat(str," ($fh) = @_;\n"); |
184 | } |
185 | else { |
186 | if (saw_FNR) |
187 | str_cat(str," $FNRbase = $. if eof;\n"); |
188 | } |
189 | if (len & 1) |
62b28dd9 |
190 | str_cat(str," local($_);\n"); |
a687059c |
191 | if (len & 2) |
192 | str_cat(str, |
193 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); |
194 | else |
195 | str_cat(str, |
196 | " if ($getline_ok = (($_ = <>) ne ''))"); |
197 | str_cat(str, " {\n"); |
198 | level += 2; |
199 | tab(str,level); |
200 | i = 0; |
201 | if (do_chop) { |
202 | i++; |
203 | str_cat(str,"chop;\t# strip record separator\n"); |
204 | tab(str,level); |
205 | } |
206 | if (do_split && !(len & 1)) { |
207 | i++; |
208 | emit_split(str,level); |
209 | } |
210 | if (!i) |
211 | str_cat(str,";\n"); |
212 | fixtab(str,--level); |
213 | str_cat(str,"}\n $_;\n}\n"); |
214 | --level; |
215 | } |
378cc40b |
216 | } |
378cc40b |
217 | } |
8d063cd8 |
218 | if (do_fancy_opens) { |
219 | str_cat(str,"\n\ |
220 | sub Pick {\n\ |
a687059c |
221 | local($mode,$name,$pipe) = @_;\n\ |
7c0587c8 |
222 | $fh = $name;\n\ |
223 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ |
8d063cd8 |
224 | }\n\ |
225 | "); |
226 | } |
227 | break; |
228 | case OHUNKS: |
a687059c |
229 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
230 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
231 | str_free(fstr); |
232 | if (len == 3) { |
a687059c |
233 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
234 | str_free(fstr); |
235 | } |
236 | else { |
237 | } |
238 | break; |
239 | case ORANGE: |
a687059c |
240 | prec = P_DOTDOT; |
241 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
242 | str_cat(str," .. "); |
a687059c |
243 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
244 | str_free(fstr); |
245 | break; |
246 | case OPAT: |
247 | goto def; |
248 | case OREGEX: |
249 | str = str_new(0); |
250 | str_set(str,"/"); |
a687059c |
251 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
252 | /* translate \nnn to [\nnn] */ |
253 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { |
a687059c |
254 | if (*s == '\\' && isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])){ |
8d063cd8 |
255 | *d++ = '['; |
256 | *d++ = *s++; |
257 | *d++ = *s++; |
258 | *d++ = *s++; |
259 | *d++ = *s; |
260 | *d = ']'; |
261 | } |
262 | else |
263 | *d = *s; |
264 | } |
265 | *d = '\0'; |
378cc40b |
266 | for (d=tokenbuf; *d; d++) |
267 | *d += 128; |
8d063cd8 |
268 | str_cat(str,tokenbuf); |
269 | str_free(tmpstr); |
270 | str_cat(str,"/"); |
271 | break; |
272 | case OHUNK: |
273 | if (len == 1) { |
274 | str = str_new(0); |
a687059c |
275 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
8d063cd8 |
276 | str_cat(str," if "); |
a687059c |
277 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
278 | str_free(fstr); |
279 | str_cat(str,";"); |
280 | } |
281 | else { |
a687059c |
282 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
283 | if (*tmpstr->str_ptr) { |
284 | str = str_new(0); |
285 | str_set(str,"if ("); |
286 | str_scat(str,tmpstr); |
287 | str_cat(str,") {\n"); |
288 | tab(str,++level); |
a687059c |
289 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
290 | str_free(fstr); |
291 | fixtab(str,--level); |
292 | str_cat(str,"}\n"); |
293 | tab(str,level); |
294 | } |
295 | else { |
a687059c |
296 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
297 | } |
298 | } |
299 | break; |
300 | case OPPAREN: |
301 | str = str_new(0); |
302 | str_set(str,"("); |
a687059c |
303 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
304 | str_free(fstr); |
305 | str_cat(str,")"); |
306 | break; |
307 | case OPANDAND: |
a687059c |
308 | prec = P_ANDAND; |
309 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
310 | str_cat(str," && "); |
a687059c |
311 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
312 | str_free(fstr); |
313 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
314 | str_free(fstr); |
315 | break; |
316 | case OPOROR: |
a687059c |
317 | prec = P_OROR; |
318 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
319 | str_cat(str," || "); |
a687059c |
320 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
321 | str_free(fstr); |
322 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
323 | str_free(fstr); |
324 | break; |
325 | case OPNOT: |
a687059c |
326 | prec = P_UNARY; |
8d063cd8 |
327 | str = str_new(0); |
328 | str_set(str,"!"); |
a687059c |
329 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
330 | str_free(fstr); |
331 | break; |
62b28dd9 |
332 | case OCOND: |
333 | prec = P_COND; |
334 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
335 | str_cat(str," ? "); |
336 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
337 | str_free(fstr); |
338 | str_cat(str," : "); |
339 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
340 | str_free(fstr); |
341 | break; |
8d063cd8 |
342 | case OCPAREN: |
343 | str = str_new(0); |
344 | str_set(str,"("); |
a687059c |
345 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
346 | str_free(fstr); |
347 | numeric |= numarg; |
348 | str_cat(str,")"); |
349 | break; |
350 | case OCANDAND: |
a687059c |
351 | prec = P_ANDAND; |
352 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
353 | numeric = 1; |
354 | str_cat(str," && "); |
a687059c |
355 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
356 | str_free(fstr); |
357 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
358 | str_free(fstr); |
359 | break; |
360 | case OCOROR: |
a687059c |
361 | prec = P_OROR; |
362 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
363 | numeric = 1; |
364 | str_cat(str," || "); |
a687059c |
365 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
366 | str_free(fstr); |
367 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
368 | str_free(fstr); |
369 | break; |
370 | case OCNOT: |
a687059c |
371 | prec = P_UNARY; |
8d063cd8 |
372 | str = str_new(0); |
373 | str_set(str,"!"); |
a687059c |
374 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
375 | str_free(fstr); |
376 | numeric = 1; |
377 | break; |
378 | case ORELOP: |
a687059c |
379 | prec = P_REL; |
380 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
381 | numeric |= numarg; |
a687059c |
382 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
383 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); |
8d063cd8 |
384 | numeric |= numarg; |
a687059c |
385 | if (!numeric || |
386 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { |
8d063cd8 |
387 | t = tmpstr->str_ptr; |
388 | if (strEQ(t,"==")) |
389 | str_set(tmpstr,"eq"); |
390 | else if (strEQ(t,"!=")) |
391 | str_set(tmpstr,"ne"); |
392 | else if (strEQ(t,"<")) |
393 | str_set(tmpstr,"lt"); |
394 | else if (strEQ(t,"<=")) |
395 | str_set(tmpstr,"le"); |
396 | else if (strEQ(t,">")) |
397 | str_set(tmpstr,"gt"); |
398 | else if (strEQ(t,">=")) |
399 | str_set(tmpstr,"ge"); |
400 | if (!index(tmpstr->str_ptr,'\'') && !index(tmpstr->str_ptr,'"') && |
401 | !index(tmp2str->str_ptr,'\'') && !index(tmp2str->str_ptr,'"') ) |
402 | numeric |= 2; |
403 | } |
404 | if (numeric & 2) { |
405 | if (numeric & 1) /* numeric is very good guess */ |
406 | str_cat(str," "); |
407 | else |
408 | str_cat(str,"\377"); |
409 | numeric = 1; |
410 | } |
411 | else |
412 | str_cat(str," "); |
413 | str_scat(str,tmpstr); |
414 | str_free(tmpstr); |
415 | str_cat(str," "); |
416 | str_scat(str,tmp2str); |
417 | str_free(tmp2str); |
418 | numeric = 1; |
419 | break; |
420 | case ORPAREN: |
421 | str = str_new(0); |
422 | str_set(str,"("); |
a687059c |
423 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
424 | str_free(fstr); |
425 | numeric |= numarg; |
426 | str_cat(str,")"); |
427 | break; |
428 | case OMATCHOP: |
a687059c |
429 | prec = P_MATCH; |
430 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
431 | str_cat(str," "); |
a687059c |
432 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
433 | if (strEQ(tmpstr->str_ptr,"~")) |
434 | str_cat(str,"=~"); |
435 | else { |
436 | str_scat(str,tmpstr); |
437 | str_free(tmpstr); |
438 | } |
439 | str_cat(str," "); |
a687059c |
440 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
441 | str_free(fstr); |
442 | numeric = 1; |
443 | break; |
444 | case OMPAREN: |
445 | str = str_new(0); |
446 | str_set(str,"("); |
a687059c |
447 | str_scat(str, |
448 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
449 | str_free(fstr); |
450 | numeric |= numarg; |
451 | str_cat(str,")"); |
452 | break; |
453 | case OCONCAT: |
a687059c |
454 | prec = P_ADD; |
455 | type = ops[ops[node+1].ival].ival & 255; |
456 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); |
8d063cd8 |
457 | str_cat(str," . "); |
a687059c |
458 | type = ops[ops[node+2].ival].ival & 255; |
459 | str_scat(str, |
460 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); |
8d063cd8 |
461 | str_free(fstr); |
462 | break; |
463 | case OASSIGN: |
a687059c |
464 | prec = P_ASSIGN; |
465 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
466 | str_cat(str," "); |
a687059c |
467 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
468 | str_scat(str,tmpstr); |
469 | if (str_len(tmpstr) > 1) |
470 | numeric = 1; |
471 | str_free(tmpstr); |
472 | str_cat(str," "); |
a687059c |
473 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
8d063cd8 |
474 | str_free(fstr); |
475 | numeric |= numarg; |
7c0587c8 |
476 | if (strEQ(str->str_ptr,"$/ = ''")) |
477 | str_set(str, "$/ = \"\\n\\n\""); |
8d063cd8 |
478 | break; |
479 | case OADD: |
a687059c |
480 | prec = P_ADD; |
481 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
482 | str_cat(str," + "); |
a687059c |
483 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
484 | str_free(fstr); |
485 | numeric = 1; |
486 | break; |
a687059c |
487 | case OSUBTRACT: |
488 | prec = P_ADD; |
489 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
490 | str_cat(str," - "); |
a687059c |
491 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
492 | str_free(fstr); |
493 | numeric = 1; |
494 | break; |
495 | case OMULT: |
a687059c |
496 | prec = P_MUL; |
497 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
498 | str_cat(str," * "); |
a687059c |
499 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
500 | str_free(fstr); |
501 | numeric = 1; |
502 | break; |
503 | case ODIV: |
a687059c |
504 | prec = P_MUL; |
505 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
506 | str_cat(str," / "); |
a687059c |
507 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
508 | str_free(fstr); |
509 | numeric = 1; |
510 | break; |
511 | case OPOW: |
512 | prec = P_POW; |
513 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
514 | str_cat(str," ** "); |
515 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); |
8d063cd8 |
516 | str_free(fstr); |
517 | numeric = 1; |
518 | break; |
519 | case OMOD: |
a687059c |
520 | prec = P_MUL; |
521 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
522 | str_cat(str," % "); |
a687059c |
523 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
524 | str_free(fstr); |
525 | numeric = 1; |
526 | break; |
527 | case OPOSTINCR: |
a687059c |
528 | prec = P_AUTO; |
529 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
530 | str_cat(str,"++"); |
531 | numeric = 1; |
532 | break; |
533 | case OPOSTDECR: |
a687059c |
534 | prec = P_AUTO; |
535 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
536 | str_cat(str,"--"); |
537 | numeric = 1; |
538 | break; |
539 | case OPREINCR: |
a687059c |
540 | prec = P_AUTO; |
8d063cd8 |
541 | str = str_new(0); |
542 | str_set(str,"++"); |
a687059c |
543 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
544 | str_free(fstr); |
545 | numeric = 1; |
546 | break; |
547 | case OPREDECR: |
a687059c |
548 | prec = P_AUTO; |
8d063cd8 |
549 | str = str_new(0); |
550 | str_set(str,"--"); |
a687059c |
551 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
552 | str_free(fstr); |
553 | numeric = 1; |
554 | break; |
555 | case OUMINUS: |
a687059c |
556 | prec = P_UNARY; |
8d063cd8 |
557 | str = str_new(0); |
558 | str_set(str,"-"); |
a687059c |
559 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
560 | str_free(fstr); |
561 | numeric = 1; |
562 | break; |
563 | case OUPLUS: |
564 | numeric = 1; |
565 | goto def; |
566 | case OPAREN: |
567 | str = str_new(0); |
568 | str_set(str,"("); |
a687059c |
569 | str_scat(str, |
570 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
571 | str_free(fstr); |
572 | str_cat(str,")"); |
573 | numeric |= numarg; |
574 | break; |
575 | case OGETLINE: |
576 | str = str_new(0); |
a687059c |
577 | if (useval) |
578 | str_cat(str,"("); |
579 | if (len > 0) { |
a687059c |
580 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
581 | if (!*fstr->str_ptr) { |
7c0587c8 |
582 | str_cat(str,"$_"); |
a687059c |
583 | len = 2; /* a legal fiction */ |
584 | } |
585 | str_free(fstr); |
586 | } |
587 | else |
588 | str_cat(str,"$_"); |
589 | if (len > 1) { |
590 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
591 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
592 | if (!do_fancy_opens) { |
593 | t = tmpstr->str_ptr; |
594 | if (*t == '"' || *t == '\'') |
595 | t = cpytill(tokenbuf,t+1,*t); |
596 | else |
597 | fatal("Internal error: OGETLINE %s", t); |
598 | d = savestr(t); |
599 | s = savestr(tokenbuf); |
600 | for (t = tokenbuf; *t; t++) { |
601 | *t &= 127; |
d48672a2 |
602 | if (islower(*t)) |
603 | *t = toupper(*t); |
a687059c |
604 | if (!isalpha(*t) && !isdigit(*t)) |
605 | *t = '_'; |
606 | } |
607 | if (!index(tokenbuf,'_')) |
d48672a2 |
608 | strcpy(t,"_FH"); |
a687059c |
609 | tmp3str = hfetch(symtab,tokenbuf); |
610 | if (!tmp3str) { |
611 | do_opens = TRUE; |
612 | str_cat(opens,"open("); |
613 | str_cat(opens,tokenbuf); |
614 | str_cat(opens,", "); |
615 | d[1] = '\0'; |
616 | str_cat(opens,d); |
617 | str_cat(opens,tmpstr->str_ptr+1); |
618 | opens->str_cur--; |
619 | if (*fstr->str_ptr == '|') |
620 | str_cat(opens,"|"); |
621 | str_cat(opens,d); |
622 | if (*fstr->str_ptr == '|') |
623 | str_cat(opens,") || die 'Cannot pipe from \""); |
624 | else |
625 | str_cat(opens,") || die 'Cannot open file \""); |
626 | if (*d == '"') |
627 | str_cat(opens,"'.\""); |
628 | str_cat(opens,s); |
629 | if (*d == '"') |
630 | str_cat(opens,"\".'"); |
631 | str_cat(opens,"\".';\n"); |
632 | hstore(symtab,tokenbuf,str_make("x")); |
633 | } |
634 | safefree(s); |
635 | safefree(d); |
636 | str_set(tmpstr,"'"); |
637 | str_cat(tmpstr,tokenbuf); |
638 | str_cat(tmpstr,"'"); |
639 | } |
640 | if (*fstr->str_ptr == '|') |
641 | str_cat(tmpstr,", '|'"); |
642 | str_free(fstr); |
643 | } |
644 | else |
645 | tmpstr = str_make(""); |
646 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); |
647 | str_cat(str,tokenbuf); |
648 | str_free(tmpstr); |
649 | if (useval) |
650 | str_cat(str,",$getline_ok)"); |
651 | saw_getline |= 1 << len; |
8d063cd8 |
652 | break; |
653 | case OSPRINTF: |
654 | str = str_new(0); |
655 | str_set(str,"sprintf("); |
a687059c |
656 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
657 | str_free(fstr); |
658 | str_cat(str,")"); |
659 | break; |
660 | case OSUBSTR: |
661 | str = str_new(0); |
662 | str_set(str,"substr("); |
a687059c |
663 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
664 | str_free(fstr); |
665 | str_cat(str,", "); |
a687059c |
666 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
667 | str_free(fstr); |
668 | str_cat(str,", "); |
669 | if (len == 3) { |
a687059c |
670 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
671 | str_free(fstr); |
672 | } |
673 | else |
674 | str_cat(str,"999999"); |
675 | str_cat(str,")"); |
676 | break; |
677 | case OSTRING: |
678 | str = str_new(0); |
679 | str_set(str,ops[node+1].cval); |
680 | break; |
681 | case OSPLIT: |
682 | str = str_new(0); |
55204971 |
683 | limit = ", 9999)"; |
8d063cd8 |
684 | numeric = 1; |
a687059c |
685 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
686 | if (useval) |
687 | str_set(str,"(@"); |
688 | else |
689 | str_set(str,"@"); |
690 | str_scat(str,tmpstr); |
691 | str_cat(str," = split("); |
692 | if (len == 3) { |
a687059c |
693 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
8d063cd8 |
694 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
695 | i = fstr->str_ptr[1] & 127; |
696 | if (index("*+?.[]()|^$\\",i)) |
697 | sprintf(tokenbuf,"/\\%c/",i); |
20188a90 |
698 | else if (i == ' ') |
62b28dd9 |
699 | sprintf(tokenbuf,"' '"); |
8d063cd8 |
700 | else |
701 | sprintf(tokenbuf,"/%c/",i); |
702 | str_cat(str,tokenbuf); |
703 | } |
704 | else |
705 | str_scat(str,fstr); |
706 | str_free(fstr); |
707 | } |
708 | else if (const_FS) { |
709 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); |
710 | str_cat(str,tokenbuf); |
711 | } |
712 | else if (saw_FS) |
713 | str_cat(str,"$FS"); |
55204971 |
714 | else { |
9bb9d9f7 |
715 | str_cat(str,"' '"); |
55204971 |
716 | limit = ")"; |
717 | } |
8d063cd8 |
718 | str_cat(str,", "); |
a687059c |
719 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
720 | str_free(fstr); |
55204971 |
721 | str_cat(str,limit); |
8d063cd8 |
722 | if (useval) { |
723 | str_cat(str,")"); |
724 | } |
725 | str_free(tmpstr); |
726 | break; |
727 | case OINDEX: |
728 | str = str_new(0); |
729 | str_set(str,"index("); |
a687059c |
730 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
731 | str_free(fstr); |
732 | str_cat(str,", "); |
a687059c |
733 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
734 | str_free(fstr); |
735 | str_cat(str,")"); |
736 | numeric = 1; |
737 | break; |
a687059c |
738 | case OMATCH: |
739 | str = str_new(0); |
740 | prec = P_ANDAND; |
741 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); |
742 | str_free(fstr); |
743 | str_cat(str," =~ "); |
744 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); |
745 | str_free(fstr); |
746 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); |
747 | numeric = 1; |
748 | break; |
749 | case OUSERDEF: |
750 | str = str_new(0); |
751 | subretnum = FALSE; |
752 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); |
753 | curargs = str_new(0); |
754 | str_sset(curargs,fstr); |
755 | str_cat(curargs,","); |
756 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); |
757 | str_free(curargs); |
758 | curargs = Nullstr; |
759 | level--; |
760 | subretnum |= numarg; |
761 | s = Nullch; |
762 | t = tmp2str->str_ptr; |
763 | while (t = instr(t,"return ")) |
764 | s = t++; |
765 | if (s) { |
766 | i = 0; |
767 | for (t = s+7; *t; t++) { |
768 | if (*t == ';' || *t == '}') |
769 | i++; |
770 | } |
771 | if (i == 1) { |
772 | strcpy(s,s+7); |
773 | tmp2str->str_cur -= 7; |
774 | } |
775 | } |
776 | str_set(str,"\n"); |
777 | tab(str,level); |
778 | str_cat(str,"sub "); |
779 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
780 | str_cat(str," {\n"); |
781 | tab(str,++level); |
782 | if (fstr->str_cur) { |
783 | str_cat(str,"local("); |
784 | str_scat(str,fstr); |
785 | str_cat(str,") = @_;"); |
786 | } |
787 | str_free(fstr); |
788 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
789 | str_free(fstr); |
790 | fixtab(str,level); |
791 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); |
792 | str_free(fstr); |
793 | fixtab(str,level); |
794 | str_scat(str,tmp2str); |
795 | str_free(tmp2str); |
796 | fixtab(str,--level); |
797 | str_cat(str,"}\n"); |
798 | tab(str,level); |
799 | str_scat(subs,str); |
800 | str_set(str,""); |
801 | str_cat(tmpstr,"("); |
802 | tmp2str = str_new(0); |
803 | if (subretnum) |
804 | str_set(tmp2str,"1"); |
805 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
806 | str_free(tmpstr); |
807 | level++; |
808 | break; |
809 | case ORETURN: |
810 | str = str_new(0); |
811 | if (len > 0) { |
812 | str_cat(str,"return "); |
813 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); |
814 | str_free(fstr); |
815 | if (numarg) |
816 | subretnum = TRUE; |
817 | } |
818 | else |
819 | str_cat(str,"return"); |
820 | break; |
821 | case OUSERFUN: |
822 | str = str_new(0); |
823 | str_set(str,"&"); |
824 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
825 | str_free(fstr); |
826 | str_cat(str,"("); |
827 | tmpstr = hfetch(symtab,str->str_ptr+3); |
828 | if (tmpstr && tmpstr->str_ptr) |
829 | numeric |= atoi(tmpstr->str_ptr); |
830 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
831 | str_free(fstr); |
832 | str_cat(str,")"); |
833 | break; |
834 | case OGSUB: |
835 | case OSUB: |
836 | if (type == OGSUB) |
837 | s = "g"; |
838 | else |
839 | s = ""; |
840 | str = str_new(0); |
841 | tmpstr = str_new(0); |
842 | i = 0; |
843 | if (len == 3) { |
844 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); |
845 | if (strNE(tmpstr->str_ptr,"$_")) { |
846 | str_cat(tmpstr, " =~ s"); |
847 | i++; |
848 | } |
849 | else |
850 | str_set(tmpstr, "s"); |
851 | } |
852 | else |
853 | str_set(tmpstr, "s"); |
854 | type = ops[ops[node+2].ival].ival; |
855 | len = type >> 8; |
856 | type &= 255; |
857 | tmp3str = str_new(0); |
858 | if (type == OSTR) { |
859 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
860 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { |
861 | if (*t == '&') |
862 | *d++ = '$' + 128; |
863 | else if (*t == '$') |
864 | *d++ = '\\' + 128; |
865 | *d = *t + 128; |
866 | } |
867 | *d = '\0'; |
868 | str_set(tmp2str,tokenbuf); |
869 | } |
870 | else { |
871 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
872 | str_set(tmp3str,"($s_ = '\"'.("); |
873 | str_scat(tmp3str,tmp2str); |
874 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); |
875 | str_set(tmp2str,"eval $s_"); |
876 | s = (*s == 'g' ? "ge" : "e"); |
877 | i++; |
878 | } |
879 | type = ops[ops[node+1].ival].ival; |
880 | len = type >> 8; |
881 | type &= 255; |
882 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
883 | if (type == OREGEX) { |
884 | if (useval && i) |
885 | str_cat(str,"("); |
886 | str_scat(str,tmp3str); |
887 | str_scat(str,tmpstr); |
888 | str_scat(str,fstr); |
889 | str_scat(str,tmp2str); |
890 | str_cat(str,"/"); |
891 | str_cat(str,s); |
892 | } |
893 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { |
894 | if (useval && i) |
895 | str_cat(str,"("); |
896 | str_scat(str,tmp3str); |
897 | str_scat(str,tmpstr); |
898 | str_cat(str,"/"); |
899 | str_scat(str,fstr); |
900 | str_cat(str,"/"); |
901 | str_scat(str,tmp2str); |
902 | str_cat(str,"/"); |
903 | str_cat(str,s); |
904 | } |
905 | else { |
906 | i++; |
907 | if (useval) |
908 | str_cat(str,"("); |
909 | str_cat(str,"$s = "); |
910 | str_scat(str,fstr); |
911 | str_cat(str,", "); |
912 | str_scat(str,tmp3str); |
913 | str_scat(str,tmpstr); |
914 | str_cat(str,"/$s/"); |
915 | str_scat(str,tmp2str); |
916 | str_cat(str,"/"); |
917 | str_cat(str,s); |
918 | } |
919 | if (useval && i) |
920 | str_cat(str,")"); |
921 | str_free(fstr); |
922 | str_free(tmpstr); |
923 | str_free(tmp2str); |
924 | str_free(tmp3str); |
925 | numeric = 1; |
926 | break; |
8d063cd8 |
927 | case ONUM: |
a687059c |
928 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
929 | numeric = 1; |
930 | break; |
931 | case OSTR: |
a687059c |
932 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
933 | s = "'"; |
378cc40b |
934 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
935 | if (*t == '\'') |
936 | s = "\""; |
937 | else if (*t == '\\') { |
8d063cd8 |
938 | s = "\""; |
378cc40b |
939 | *d++ = *t++ + 128; |
940 | switch (*t) { |
fe14fcc3 |
941 | case '\\': case '"': case 'n': case 't': case '$': |
378cc40b |
942 | break; |
943 | default: /* hide this from perl */ |
944 | *d++ = '\\' + 128; |
945 | } |
946 | } |
947 | *d = *t + 128; |
8d063cd8 |
948 | } |
378cc40b |
949 | *d = '\0'; |
8d063cd8 |
950 | str = str_new(0); |
951 | str_set(str,s); |
378cc40b |
952 | str_cat(str,tokenbuf); |
8d063cd8 |
953 | str_free(tmpstr); |
954 | str_cat(str,s); |
955 | break; |
a687059c |
956 | case ODEFINED: |
957 | prec = P_UNI; |
958 | str = str_new(0); |
959 | str_set(str,"defined $"); |
960 | goto addvar; |
961 | case ODELETE: |
962 | str = str_new(0); |
963 | str_set(str,"delete $"); |
964 | goto addvar; |
965 | case OSTAR: |
966 | str = str_new(0); |
967 | str_set(str,"*"); |
968 | goto addvar; |
8d063cd8 |
969 | case OVAR: |
970 | str = str_new(0); |
971 | str_set(str,"$"); |
a687059c |
972 | addvar: |
973 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
974 | if (len == 1) { |
975 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
976 | if (tmp2str && atoi(tmp2str->str_ptr)) |
977 | numeric = 2; |
a687059c |
978 | if (strEQ(str->str_ptr,"$FNR")) { |
979 | numeric = 1; |
980 | saw_FNR++; |
981 | str_set(str,"($.-$FNRbase)"); |
982 | } |
983 | else if (strEQ(str->str_ptr,"$NR")) { |
8d063cd8 |
984 | numeric = 1; |
985 | str_set(str,"$."); |
986 | } |
987 | else if (strEQ(str->str_ptr,"$NF")) { |
988 | numeric = 1; |
989 | str_set(str,"$#Fld"); |
990 | } |
991 | else if (strEQ(str->str_ptr,"$0")) |
992 | str_set(str,"$_"); |
a687059c |
993 | else if (strEQ(str->str_ptr,"$ARGC")) |
994 | str_set(str,"($#ARGV+1)"); |
8d063cd8 |
995 | } |
996 | else { |
a687059c |
997 | #ifdef NOTDEF |
998 | if (curargs) { |
999 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); |
1000 | ??? if (instr(curargs->str_ptr,tokenbuf)) |
1001 | str_cat(str,"\377"); /* can't translate yet */ |
1002 | } |
1003 | #endif |
8d063cd8 |
1004 | str_cat(tmpstr,"[]"); |
1005 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
1006 | if (tmp2str && atoi(tmp2str->str_ptr)) |
1007 | str_cat(str,"["); |
1008 | else |
1009 | str_cat(str,"{"); |
a687059c |
1010 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1011 | str_free(fstr); |
a687059c |
1012 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
1013 | str_set(str,"$ARGV0"); |
1014 | saw_argv0++; |
1015 | } |
1016 | else { |
1017 | if (tmp2str && atoi(tmp2str->str_ptr)) |
1018 | strcpy(tokenbuf,"]"); |
1019 | else |
1020 | strcpy(tokenbuf,"}"); |
1021 | *tokenbuf += 128; |
1022 | str_cat(str,tokenbuf); |
1023 | } |
8d063cd8 |
1024 | } |
1025 | str_free(tmpstr); |
1026 | break; |
1027 | case OFLD: |
1028 | str = str_new(0); |
1029 | if (split_to_array) { |
1030 | str_set(str,"$Fld"); |
1031 | str_cat(str,"["); |
a687059c |
1032 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1033 | str_free(fstr); |
1034 | str_cat(str,"]"); |
1035 | } |
1036 | else { |
a687059c |
1037 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
8d063cd8 |
1038 | if (i <= arymax) |
1039 | sprintf(tokenbuf,"$%s",nameary[i]); |
1040 | else |
1041 | sprintf(tokenbuf,"$Fld%d",i); |
1042 | str_set(str,tokenbuf); |
1043 | } |
1044 | break; |
1045 | case OVFLD: |
1046 | str = str_new(0); |
1047 | str_set(str,"$Fld["); |
1048 | i = ops[node+1].ival; |
1049 | if ((ops[i].ival & 255) == OPAREN) |
1050 | i = ops[i+1].ival; |
a687059c |
1051 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
8d063cd8 |
1052 | str_scat(str,tmpstr); |
1053 | str_free(tmpstr); |
1054 | str_cat(str,"]"); |
1055 | break; |
1056 | case OJUNK: |
1057 | goto def; |
1058 | case OSNEWLINE: |
1059 | str = str_new(2); |
1060 | str_set(str,";\n"); |
1061 | tab(str,level); |
1062 | break; |
1063 | case ONEWLINE: |
1064 | str = str_new(1); |
1065 | str_set(str,"\n"); |
1066 | tab(str,level); |
1067 | break; |
1068 | case OSCOMMENT: |
1069 | str = str_new(0); |
1070 | str_set(str,";"); |
a687059c |
1071 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1072 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
1073 | *s += 128; |
1074 | str_scat(str,tmpstr); |
1075 | str_free(tmpstr); |
1076 | tab(str,level); |
1077 | break; |
1078 | case OCOMMENT: |
1079 | str = str_new(0); |
a687059c |
1080 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1081 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
1082 | *s += 128; |
1083 | str_scat(str,tmpstr); |
1084 | str_free(tmpstr); |
1085 | tab(str,level); |
1086 | break; |
1087 | case OCOMMA: |
a687059c |
1088 | prec = P_COMMA; |
1089 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
1090 | str_cat(str,", "); |
a687059c |
1091 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
1092 | str_free(fstr); |
1093 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
1094 | str_free(fstr); |
1095 | break; |
1096 | case OSEMICOLON: |
1097 | str = str_new(1); |
a687059c |
1098 | str_set(str,";\n"); |
1099 | tab(str,level); |
8d063cd8 |
1100 | break; |
1101 | case OSTATES: |
a687059c |
1102 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1103 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1104 | str_free(fstr); |
1105 | break; |
1106 | case OSTATE: |
1107 | str = str_new(0); |
1108 | if (len >= 1) { |
a687059c |
1109 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1110 | str_free(fstr); |
1111 | if (len >= 2) { |
a687059c |
1112 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1113 | if (*tmpstr->str_ptr == ';') { |
1114 | addsemi(str); |
1115 | str_cat(str,tmpstr->str_ptr+1); |
1116 | } |
1117 | str_free(tmpstr); |
1118 | } |
1119 | } |
1120 | break; |
a687059c |
1121 | case OCLOSE: |
1122 | str = str_make("close("); |
1123 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
1124 | if (!do_fancy_opens) { |
1125 | t = tmpstr->str_ptr; |
1126 | if (*t == '"' || *t == '\'') |
1127 | t = cpytill(tokenbuf,t+1,*t); |
1128 | else |
1129 | fatal("Internal error: OCLOSE %s",t); |
1130 | s = savestr(tokenbuf); |
1131 | for (t = tokenbuf; *t; t++) { |
1132 | *t &= 127; |
d48672a2 |
1133 | if (islower(*t)) |
1134 | *t = toupper(*t); |
a687059c |
1135 | if (!isalpha(*t) && !isdigit(*t)) |
1136 | *t = '_'; |
1137 | } |
1138 | if (!index(tokenbuf,'_')) |
d48672a2 |
1139 | strcpy(t,"_FH"); |
a687059c |
1140 | str_free(tmpstr); |
1141 | safefree(s); |
1142 | str_set(str,"close "); |
1143 | str_cat(str,tokenbuf); |
1144 | } |
1145 | else { |
7c0587c8 |
1146 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
1147 | tmpstr->str_ptr, tmpstr->str_ptr); |
a687059c |
1148 | str_free(tmpstr); |
1149 | str_set(str,tokenbuf); |
1150 | } |
1151 | break; |
8d063cd8 |
1152 | case OPRINTF: |
1153 | case OPRINT: |
378cc40b |
1154 | lparen = ""; /* set to parens if necessary */ |
1155 | rparen = ""; |
8d063cd8 |
1156 | str = str_new(0); |
1157 | if (len == 3) { /* output redirection */ |
a687059c |
1158 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
1159 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1160 | if (!do_fancy_opens) { |
1161 | t = tmpstr->str_ptr; |
1162 | if (*t == '"' || *t == '\'') |
1163 | t = cpytill(tokenbuf,t+1,*t); |
1164 | else |
1165 | fatal("Internal error: OPRINT"); |
1166 | d = savestr(t); |
1167 | s = savestr(tokenbuf); |
1168 | for (t = tokenbuf; *t; t++) { |
1169 | *t &= 127; |
d48672a2 |
1170 | if (islower(*t)) |
1171 | *t = toupper(*t); |
8d063cd8 |
1172 | if (!isalpha(*t) && !isdigit(*t)) |
1173 | *t = '_'; |
1174 | } |
1175 | if (!index(tokenbuf,'_')) |
d48672a2 |
1176 | strcpy(t,"_FH"); |
a687059c |
1177 | tmp3str = hfetch(symtab,tokenbuf); |
1178 | if (!tmp3str) { |
1179 | str_cat(opens,"open("); |
1180 | str_cat(opens,tokenbuf); |
1181 | str_cat(opens,", "); |
1182 | d[1] = '\0'; |
1183 | str_cat(opens,d); |
1184 | str_scat(opens,tmp2str); |
1185 | str_cat(opens,tmpstr->str_ptr+1); |
1186 | if (*tmp2str->str_ptr == '|') |
1187 | str_cat(opens,") || die 'Cannot pipe to \""); |
1188 | else |
1189 | str_cat(opens,") || die 'Cannot create file \""); |
1190 | if (*d == '"') |
1191 | str_cat(opens,"'.\""); |
1192 | str_cat(opens,s); |
1193 | if (*d == '"') |
1194 | str_cat(opens,"\".'"); |
1195 | str_cat(opens,"\".';\n"); |
1196 | hstore(symtab,tokenbuf,str_make("x")); |
1197 | } |
8d063cd8 |
1198 | str_free(tmpstr); |
1199 | str_free(tmp2str); |
1200 | safefree(s); |
1201 | safefree(d); |
1202 | } |
1203 | else { |
a687059c |
1204 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
8d063cd8 |
1205 | tmp2str->str_ptr, tmpstr->str_ptr); |
1206 | str_cat(str,tokenbuf); |
1207 | tab(str,level+1); |
a687059c |
1208 | strcpy(tokenbuf,"$fh"); |
8d063cd8 |
1209 | str_free(tmpstr); |
1210 | str_free(tmp2str); |
378cc40b |
1211 | lparen = "("; |
1212 | rparen = ")"; |
8d063cd8 |
1213 | } |
1214 | } |
1215 | else |
a687059c |
1216 | strcpy(tokenbuf,""); |
378cc40b |
1217 | str_cat(str,lparen); /* may be null */ |
8d063cd8 |
1218 | if (type == OPRINTF) |
1219 | str_cat(str,"printf"); |
1220 | else |
1221 | str_cat(str,"print"); |
d48672a2 |
1222 | saw_fh = 0; |
8d063cd8 |
1223 | if (len == 3 || do_fancy_opens) { |
d48672a2 |
1224 | if (*tokenbuf) { |
8d063cd8 |
1225 | str_cat(str," "); |
d48672a2 |
1226 | saw_fh = 1; |
1227 | } |
8d063cd8 |
1228 | str_cat(str,tokenbuf); |
1229 | } |
a687059c |
1230 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1231 | if (!*tmpstr->str_ptr && lval_field) { |
1232 | t = saw_OFS ? "$," : "' '"; |
1233 | if (split_to_array) { |
1234 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1235 | str_cat(tmpstr,tokenbuf); |
1236 | } |
1237 | else { |
1238 | for (i = 1; i < maxfld; i++) { |
1239 | if (i <= arymax) |
1240 | sprintf(tokenbuf,"$%s, ",nameary[i]); |
1241 | else |
1242 | sprintf(tokenbuf,"$Fld%d, ",i); |
1243 | str_cat(tmpstr,tokenbuf); |
1244 | } |
1245 | if (maxfld <= arymax) |
1246 | sprintf(tokenbuf,"$%s",nameary[maxfld]); |
1247 | else |
1248 | sprintf(tokenbuf,"$Fld%d",maxfld); |
1249 | str_cat(tmpstr,tokenbuf); |
1250 | } |
1251 | } |
1252 | if (*tmpstr->str_ptr) { |
1253 | str_cat(str," "); |
d48672a2 |
1254 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
1255 | str_cat(str,"("); |
1256 | str_scat(str,tmpstr); |
1257 | str_cat(str,")"); |
1258 | } |
1259 | else |
1260 | str_scat(str,tmpstr); |
8d063cd8 |
1261 | } |
1262 | else { |
1263 | str_cat(str," $_"); |
1264 | } |
378cc40b |
1265 | str_cat(str,rparen); /* may be null */ |
8d063cd8 |
1266 | str_free(tmpstr); |
1267 | break; |
a687059c |
1268 | case ORAND: |
1269 | str = str_make("rand(1)"); |
1270 | break; |
1271 | case OSRAND: |
1272 | str = str_make("srand("); |
1273 | goto maybe0; |
1274 | case OATAN2: |
1275 | str = str_make("atan2("); |
1276 | goto maybe0; |
1277 | case OSIN: |
1278 | str = str_make("sin("); |
1279 | goto maybe0; |
1280 | case OCOS: |
1281 | str = str_make("cos("); |
1282 | goto maybe0; |
1283 | case OSYSTEM: |
1284 | str = str_make("system("); |
1285 | goto maybe0; |
8d063cd8 |
1286 | case OLENGTH: |
1287 | str = str_make("length("); |
1288 | goto maybe0; |
1289 | case OLOG: |
1290 | str = str_make("log("); |
1291 | goto maybe0; |
1292 | case OEXP: |
1293 | str = str_make("exp("); |
1294 | goto maybe0; |
1295 | case OSQRT: |
1296 | str = str_make("sqrt("); |
1297 | goto maybe0; |
1298 | case OINT: |
1299 | str = str_make("int("); |
1300 | maybe0: |
1301 | numeric = 1; |
1302 | if (len > 0) |
a687059c |
1303 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1304 | else |
1305 | tmpstr = str_new(0);; |
fe14fcc3 |
1306 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
8d063cd8 |
1307 | if (lval_field) { |
1308 | t = saw_OFS ? "$," : "' '"; |
1309 | if (split_to_array) { |
1310 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1311 | str_cat(tmpstr,tokenbuf); |
1312 | } |
1313 | else { |
1314 | sprintf(tokenbuf,"join(%s, ",t); |
1315 | str_cat(tmpstr,tokenbuf); |
1316 | for (i = 1; i < maxfld; i++) { |
1317 | if (i <= arymax) |
1318 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1319 | else |
1320 | sprintf(tokenbuf,"$Fld%d,",i); |
1321 | str_cat(tmpstr,tokenbuf); |
1322 | } |
1323 | if (maxfld <= arymax) |
1324 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1325 | else |
1326 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1327 | str_cat(tmpstr,tokenbuf); |
1328 | } |
1329 | } |
1330 | else |
1331 | str_cat(tmpstr,"$_"); |
1332 | } |
1333 | if (strEQ(tmpstr->str_ptr,"$_")) { |
1334 | if (type == OLENGTH && !do_chop) { |
1335 | str = str_make("(length("); |
1336 | str_cat(tmpstr,") - 1"); |
1337 | } |
1338 | } |
1339 | str_scat(str,tmpstr); |
1340 | str_free(tmpstr); |
1341 | str_cat(str,")"); |
1342 | break; |
1343 | case OBREAK: |
1344 | str = str_new(0); |
1345 | str_set(str,"last"); |
1346 | break; |
1347 | case ONEXT: |
1348 | str = str_new(0); |
1349 | str_set(str,"next line"); |
1350 | break; |
1351 | case OEXIT: |
1352 | str = str_new(0); |
1353 | if (realexit) { |
a687059c |
1354 | prec = P_UNI; |
8d063cd8 |
1355 | str_set(str,"exit"); |
1356 | if (len == 1) { |
1357 | str_cat(str," "); |
1358 | exitval = TRUE; |
a687059c |
1359 | str_scat(str, |
1360 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
1361 | str_free(fstr); |
1362 | } |
1363 | } |
1364 | else { |
1365 | if (len == 1) { |
9f68db38 |
1366 | str_set(str,"$ExitValue = "); |
8d063cd8 |
1367 | exitval = TRUE; |
a687059c |
1368 | str_scat(str, |
1369 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); |
8d063cd8 |
1370 | str_free(fstr); |
1371 | str_cat(str,"; "); |
1372 | } |
1373 | str_cat(str,"last line"); |
1374 | } |
1375 | break; |
1376 | case OCONTINUE: |
1377 | str = str_new(0); |
1378 | str_set(str,"next"); |
1379 | break; |
1380 | case OREDIR: |
1381 | goto def; |
1382 | case OIF: |
1383 | str = str_new(0); |
1384 | str_set(str,"if ("); |
a687059c |
1385 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1386 | str_free(fstr); |
1387 | str_cat(str,") "); |
a687059c |
1388 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1389 | str_free(fstr); |
1390 | if (len == 3) { |
1391 | i = ops[node+3].ival; |
1392 | if (i) { |
1393 | if ((ops[i].ival & 255) == OBLOCK) { |
1394 | i = ops[i+1].ival; |
1395 | if (i) { |
1396 | if ((ops[i].ival & 255) != OIF) |
1397 | i = 0; |
1398 | } |
1399 | } |
1400 | else |
1401 | i = 0; |
1402 | } |
1403 | if (i) { |
1404 | str_cat(str,"els"); |
a687059c |
1405 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
8d063cd8 |
1406 | str_free(fstr); |
1407 | } |
1408 | else { |
1409 | str_cat(str,"else "); |
a687059c |
1410 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1411 | str_free(fstr); |
1412 | } |
1413 | } |
1414 | break; |
1415 | case OWHILE: |
1416 | str = str_new(0); |
1417 | str_set(str,"while ("); |
a687059c |
1418 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1419 | str_free(fstr); |
1420 | str_cat(str,") "); |
a687059c |
1421 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1422 | str_free(fstr); |
1423 | break; |
7c0587c8 |
1424 | case ODO: |
1425 | str = str_new(0); |
1426 | str_set(str,"do "); |
1427 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
1428 | str_free(fstr); |
1429 | if (str->str_ptr[str->str_cur - 1] == '\n') |
1430 | --str->str_cur;; |
1431 | str_cat(str," while ("); |
1432 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1433 | str_free(fstr); |
1434 | str_cat(str,");"); |
1435 | break; |
8d063cd8 |
1436 | case OFOR: |
1437 | str = str_new(0); |
1438 | str_set(str,"for ("); |
a687059c |
1439 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1440 | i = numarg; |
1441 | if (i) { |
1442 | t = s = tmpstr->str_ptr; |
1443 | while (isalpha(*t) || isdigit(*t) || *t == '$' || *t == '_') |
1444 | t++; |
1445 | i = t - s; |
1446 | if (i < 2) |
1447 | i = 0; |
1448 | } |
1449 | str_cat(str,"; "); |
a687059c |
1450 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1451 | if (i && (t = index(fstr->str_ptr,0377))) { |
1452 | if (strnEQ(fstr->str_ptr,s,i)) |
1453 | *t = ' '; |
1454 | } |
1455 | str_scat(str,fstr); |
1456 | str_free(fstr); |
1457 | str_free(tmpstr); |
1458 | str_cat(str,"; "); |
a687059c |
1459 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1460 | str_free(fstr); |
1461 | str_cat(str,") "); |
a687059c |
1462 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
1463 | str_free(fstr); |
1464 | break; |
1465 | case OFORIN: |
a687059c |
1466 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1467 | d = index(tmpstr->str_ptr,'$'); |
1468 | if (!d) |
1469 | fatal("Illegal for loop: %s",tmpstr->str_ptr); |
1470 | s = index(d,'{'); |
1471 | if (!s) |
1472 | s = index(d,'['); |
1473 | if (!s) |
1474 | fatal("Illegal for loop: %s",d); |
1475 | *s++ = '\0'; |
ffed7fef |
1476 | for (t = s; i = *t; t++) { |
1477 | i &= 127; |
1478 | if (i == '}' || i == ']') |
1479 | break; |
1480 | } |
1481 | if (*t) |
a687059c |
1482 | *t = '\0'; |
8d063cd8 |
1483 | str = str_new(0); |
a687059c |
1484 | str_set(str,d+1); |
8d063cd8 |
1485 | str_cat(str,"[]"); |
1486 | tmp2str = hfetch(symtab,str->str_ptr); |
1487 | if (tmp2str && atoi(tmp2str->str_ptr)) { |
8d063cd8 |
1488 | sprintf(tokenbuf, |
62b28dd9 |
1489 | "foreach %s ($[ .. $#%s) ", |
a687059c |
1490 | s, |
1491 | d+1); |
8d063cd8 |
1492 | } |
1493 | else { |
a687059c |
1494 | sprintf(tokenbuf, |
1495 | "foreach %s (keys %%%s) ", |
1496 | s, |
1497 | d+1); |
8d063cd8 |
1498 | } |
a687059c |
1499 | str_set(str,tokenbuf); |
1500 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1501 | str_free(fstr); |
8d063cd8 |
1502 | str_free(tmpstr); |
1503 | break; |
1504 | case OBLOCK: |
1505 | str = str_new(0); |
1506 | str_set(str,"{"); |
378cc40b |
1507 | if (len >= 2 && ops[node+2].ival) { |
a687059c |
1508 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1509 | str_free(fstr); |
1510 | } |
1511 | fixtab(str,++level); |
a687059c |
1512 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1513 | str_free(fstr); |
1514 | addsemi(str); |
1515 | fixtab(str,--level); |
1516 | str_cat(str,"}\n"); |
1517 | tab(str,level); |
378cc40b |
1518 | if (len >= 3) { |
a687059c |
1519 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
378cc40b |
1520 | str_free(fstr); |
1521 | } |
8d063cd8 |
1522 | break; |
1523 | default: |
1524 | def: |
1525 | if (len) { |
1526 | if (len > 5) |
1527 | fatal("Garbage length in walk"); |
a687059c |
1528 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1529 | for (i = 2; i<= len; i++) { |
a687059c |
1530 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
8d063cd8 |
1531 | str_free(fstr); |
1532 | } |
1533 | } |
1534 | else { |
1535 | str = Nullstr; |
1536 | } |
1537 | break; |
1538 | } |
1539 | if (!str) |
1540 | str = str_new(0); |
a687059c |
1541 | |
1542 | if (useval && prec < minprec) { /* need parens? */ |
1543 | fstr = str_new(str->str_cur+2); |
1544 | str_nset(fstr,"(",1); |
1545 | str_scat(fstr,str); |
1546 | str_ncat(fstr,")",1); |
1547 | str_free(str); |
1548 | str = fstr; |
1549 | } |
1550 | |
8d063cd8 |
1551 | *numericptr = numeric; |
1552 | #ifdef DEBUGGING |
1553 | if (debug & 4) { |
1554 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); |
1555 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) |
1556 | if (*t == '\n') |
1557 | printf("\\n"); |
1558 | else if (*t == '\t') |
1559 | printf("\\t"); |
1560 | else |
1561 | putchar(*t); |
1562 | putchar('\n'); |
1563 | } |
1564 | #endif |
1565 | return str; |
1566 | } |
1567 | |
1568 | tab(str,lvl) |
1569 | register STR *str; |
1570 | register int lvl; |
1571 | { |
1572 | while (lvl > 1) { |
1573 | str_cat(str,"\t"); |
1574 | lvl -= 2; |
1575 | } |
1576 | if (lvl) |
1577 | str_cat(str," "); |
1578 | } |
1579 | |
1580 | fixtab(str,lvl) |
1581 | register STR *str; |
1582 | register int lvl; |
1583 | { |
1584 | register char *s; |
1585 | |
1586 | /* strip trailing white space */ |
1587 | |
1588 | s = str->str_ptr+str->str_cur - 1; |
a687059c |
1589 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
8d063cd8 |
1590 | s--; |
1591 | s[1] = '\0'; |
1592 | str->str_cur = s + 1 - str->str_ptr; |
1593 | if (s >= str->str_ptr && *s != '\n') |
1594 | str_cat(str,"\n"); |
1595 | |
1596 | tab(str,lvl); |
1597 | } |
1598 | |
1599 | addsemi(str) |
1600 | register STR *str; |
1601 | { |
1602 | register char *s; |
1603 | |
1604 | s = str->str_ptr+str->str_cur - 1; |
1605 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
1606 | s--; |
1607 | if (s >= str->str_ptr && *s != ';' && *s != '}') |
1608 | str_cat(str,";"); |
1609 | } |
1610 | |
1611 | emit_split(str,level) |
1612 | register STR *str; |
1613 | int level; |
1614 | { |
1615 | register int i; |
1616 | |
1617 | if (split_to_array) |
1618 | str_cat(str,"@Fld"); |
1619 | else { |
1620 | str_cat(str,"("); |
1621 | for (i = 1; i < maxfld; i++) { |
1622 | if (i <= arymax) |
1623 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1624 | else |
1625 | sprintf(tokenbuf,"$Fld%d,",i); |
1626 | str_cat(str,tokenbuf); |
1627 | } |
1628 | if (maxfld <= arymax) |
1629 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1630 | else |
1631 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1632 | str_cat(str,tokenbuf); |
1633 | } |
1634 | if (const_FS) { |
62b28dd9 |
1635 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
8d063cd8 |
1636 | str_cat(str,tokenbuf); |
1637 | } |
1638 | else if (saw_FS) |
62b28dd9 |
1639 | str_cat(str," = split($FS, $_, 9999);\n"); |
8d063cd8 |
1640 | else |
62b28dd9 |
1641 | str_cat(str," = split(' ', $_, 9999);\n"); |
8d063cd8 |
1642 | tab(str,level); |
1643 | } |
1644 | |
1645 | prewalk(numit,level,node,numericptr) |
1646 | int numit; |
1647 | int level; |
1648 | register int node; |
1649 | int *numericptr; |
1650 | { |
1651 | register int len; |
1652 | register int type; |
1653 | register int i; |
1654 | char *t; |
1655 | char *d, *s; |
1656 | int numarg; |
1657 | int numeric = FALSE; |
a687059c |
1658 | STR *tmpstr; |
1659 | STR *tmp2str; |
8d063cd8 |
1660 | |
1661 | if (!node) { |
1662 | *numericptr = 0; |
1663 | return 0; |
1664 | } |
1665 | type = ops[node].ival; |
1666 | len = type >> 8; |
1667 | type &= 255; |
1668 | switch (type) { |
1669 | case OPROG: |
1670 | prewalk(0,level,ops[node+1].ival,&numarg); |
1671 | if (ops[node+2].ival) { |
1672 | prewalk(0,level,ops[node+2].ival,&numarg); |
1673 | } |
1674 | ++level; |
1675 | prewalk(0,level,ops[node+3].ival,&numarg); |
1676 | --level; |
1677 | if (ops[node+3].ival) { |
1678 | prewalk(0,level,ops[node+4].ival,&numarg); |
1679 | } |
1680 | break; |
1681 | case OHUNKS: |
1682 | prewalk(0,level,ops[node+1].ival,&numarg); |
1683 | prewalk(0,level,ops[node+2].ival,&numarg); |
1684 | if (len == 3) { |
1685 | prewalk(0,level,ops[node+3].ival,&numarg); |
1686 | } |
1687 | break; |
1688 | case ORANGE: |
1689 | prewalk(1,level,ops[node+1].ival,&numarg); |
1690 | prewalk(1,level,ops[node+2].ival,&numarg); |
1691 | break; |
1692 | case OPAT: |
1693 | goto def; |
1694 | case OREGEX: |
1695 | prewalk(0,level,ops[node+1].ival,&numarg); |
1696 | break; |
1697 | case OHUNK: |
1698 | if (len == 1) { |
1699 | prewalk(0,level,ops[node+1].ival,&numarg); |
1700 | } |
1701 | else { |
1702 | i = prewalk(0,level,ops[node+1].ival,&numarg); |
1703 | if (i) { |
1704 | ++level; |
1705 | prewalk(0,level,ops[node+2].ival,&numarg); |
1706 | --level; |
1707 | } |
1708 | else { |
1709 | prewalk(0,level,ops[node+2].ival,&numarg); |
1710 | } |
1711 | } |
1712 | break; |
1713 | case OPPAREN: |
1714 | prewalk(0,level,ops[node+1].ival,&numarg); |
1715 | break; |
1716 | case OPANDAND: |
1717 | prewalk(0,level,ops[node+1].ival,&numarg); |
1718 | prewalk(0,level,ops[node+2].ival,&numarg); |
1719 | break; |
1720 | case OPOROR: |
1721 | prewalk(0,level,ops[node+1].ival,&numarg); |
1722 | prewalk(0,level,ops[node+2].ival,&numarg); |
1723 | break; |
1724 | case OPNOT: |
1725 | prewalk(0,level,ops[node+1].ival,&numarg); |
1726 | break; |
1727 | case OCPAREN: |
1728 | prewalk(0,level,ops[node+1].ival,&numarg); |
1729 | numeric |= numarg; |
1730 | break; |
1731 | case OCANDAND: |
1732 | prewalk(0,level,ops[node+1].ival,&numarg); |
1733 | numeric = 1; |
1734 | prewalk(0,level,ops[node+2].ival,&numarg); |
1735 | break; |
1736 | case OCOROR: |
1737 | prewalk(0,level,ops[node+1].ival,&numarg); |
1738 | numeric = 1; |
1739 | prewalk(0,level,ops[node+2].ival,&numarg); |
1740 | break; |
1741 | case OCNOT: |
1742 | prewalk(0,level,ops[node+1].ival,&numarg); |
1743 | numeric = 1; |
1744 | break; |
1745 | case ORELOP: |
1746 | prewalk(0,level,ops[node+2].ival,&numarg); |
1747 | numeric |= numarg; |
1748 | prewalk(0,level,ops[node+1].ival,&numarg); |
1749 | prewalk(0,level,ops[node+3].ival,&numarg); |
1750 | numeric |= numarg; |
1751 | numeric = 1; |
1752 | break; |
1753 | case ORPAREN: |
1754 | prewalk(0,level,ops[node+1].ival,&numarg); |
1755 | numeric |= numarg; |
1756 | break; |
1757 | case OMATCHOP: |
1758 | prewalk(0,level,ops[node+2].ival,&numarg); |
1759 | prewalk(0,level,ops[node+1].ival,&numarg); |
1760 | prewalk(0,level,ops[node+3].ival,&numarg); |
1761 | numeric = 1; |
1762 | break; |
1763 | case OMPAREN: |
1764 | prewalk(0,level,ops[node+1].ival,&numarg); |
1765 | numeric |= numarg; |
1766 | break; |
1767 | case OCONCAT: |
1768 | prewalk(0,level,ops[node+1].ival,&numarg); |
1769 | prewalk(0,level,ops[node+2].ival,&numarg); |
1770 | break; |
1771 | case OASSIGN: |
1772 | prewalk(0,level,ops[node+2].ival,&numarg); |
1773 | prewalk(0,level,ops[node+1].ival,&numarg); |
1774 | prewalk(0,level,ops[node+3].ival,&numarg); |
1775 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > 1) { |
1776 | numericize(ops[node+2].ival); |
1777 | if (!numarg) |
1778 | numericize(ops[node+3].ival); |
1779 | } |
1780 | numeric |= numarg; |
1781 | break; |
1782 | case OADD: |
1783 | prewalk(1,level,ops[node+1].ival,&numarg); |
1784 | prewalk(1,level,ops[node+2].ival,&numarg); |
1785 | numeric = 1; |
1786 | break; |
a687059c |
1787 | case OSUBTRACT: |
8d063cd8 |
1788 | prewalk(1,level,ops[node+1].ival,&numarg); |
1789 | prewalk(1,level,ops[node+2].ival,&numarg); |
1790 | numeric = 1; |
1791 | break; |
1792 | case OMULT: |
1793 | prewalk(1,level,ops[node+1].ival,&numarg); |
1794 | prewalk(1,level,ops[node+2].ival,&numarg); |
1795 | numeric = 1; |
1796 | break; |
1797 | case ODIV: |
1798 | prewalk(1,level,ops[node+1].ival,&numarg); |
1799 | prewalk(1,level,ops[node+2].ival,&numarg); |
1800 | numeric = 1; |
1801 | break; |
a687059c |
1802 | case OPOW: |
1803 | prewalk(1,level,ops[node+1].ival,&numarg); |
1804 | prewalk(1,level,ops[node+2].ival,&numarg); |
1805 | numeric = 1; |
1806 | break; |
8d063cd8 |
1807 | case OMOD: |
1808 | prewalk(1,level,ops[node+1].ival,&numarg); |
1809 | prewalk(1,level,ops[node+2].ival,&numarg); |
1810 | numeric = 1; |
1811 | break; |
1812 | case OPOSTINCR: |
1813 | prewalk(1,level,ops[node+1].ival,&numarg); |
1814 | numeric = 1; |
1815 | break; |
1816 | case OPOSTDECR: |
1817 | prewalk(1,level,ops[node+1].ival,&numarg); |
1818 | numeric = 1; |
1819 | break; |
1820 | case OPREINCR: |
1821 | prewalk(1,level,ops[node+1].ival,&numarg); |
1822 | numeric = 1; |
1823 | break; |
1824 | case OPREDECR: |
1825 | prewalk(1,level,ops[node+1].ival,&numarg); |
1826 | numeric = 1; |
1827 | break; |
1828 | case OUMINUS: |
1829 | prewalk(1,level,ops[node+1].ival,&numarg); |
1830 | numeric = 1; |
1831 | break; |
1832 | case OUPLUS: |
1833 | prewalk(1,level,ops[node+1].ival,&numarg); |
1834 | numeric = 1; |
1835 | break; |
1836 | case OPAREN: |
1837 | prewalk(0,level,ops[node+1].ival,&numarg); |
1838 | numeric |= numarg; |
1839 | break; |
1840 | case OGETLINE: |
1841 | break; |
1842 | case OSPRINTF: |
1843 | prewalk(0,level,ops[node+1].ival,&numarg); |
1844 | break; |
1845 | case OSUBSTR: |
1846 | prewalk(0,level,ops[node+1].ival,&numarg); |
1847 | prewalk(1,level,ops[node+2].ival,&numarg); |
1848 | if (len == 3) { |
1849 | prewalk(1,level,ops[node+3].ival,&numarg); |
1850 | } |
1851 | break; |
1852 | case OSTRING: |
1853 | break; |
1854 | case OSPLIT: |
1855 | numeric = 1; |
1856 | prewalk(0,level,ops[node+2].ival,&numarg); |
1857 | if (len == 3) |
1858 | prewalk(0,level,ops[node+3].ival,&numarg); |
1859 | prewalk(0,level,ops[node+1].ival,&numarg); |
1860 | break; |
1861 | case OINDEX: |
1862 | prewalk(0,level,ops[node+1].ival,&numarg); |
1863 | prewalk(0,level,ops[node+2].ival,&numarg); |
1864 | numeric = 1; |
1865 | break; |
a687059c |
1866 | case OMATCH: |
1867 | prewalk(0,level,ops[node+1].ival,&numarg); |
1868 | prewalk(0,level,ops[node+2].ival,&numarg); |
1869 | numeric = 1; |
1870 | break; |
1871 | case OUSERDEF: |
1872 | subretnum = FALSE; |
1873 | --level; |
1874 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1875 | ++level; |
1876 | prewalk(0,level,ops[node+2].ival,&numarg); |
1877 | prewalk(0,level,ops[node+4].ival,&numarg); |
1878 | prewalk(0,level,ops[node+5].ival,&numarg); |
1879 | --level; |
1880 | str_cat(tmpstr,"("); |
1881 | tmp2str = str_new(0); |
1882 | if (subretnum || numarg) |
1883 | str_set(tmp2str,"1"); |
1884 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
1885 | str_free(tmpstr); |
1886 | level++; |
1887 | break; |
1888 | case ORETURN: |
1889 | if (len > 0) { |
1890 | prewalk(0,level,ops[node+1].ival,&numarg); |
1891 | if (numarg) |
1892 | subretnum = TRUE; |
1893 | } |
1894 | break; |
1895 | case OUSERFUN: |
1896 | tmp2str = str_new(0); |
1897 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
663a0e37 |
1898 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
a687059c |
1899 | str_free(tmpstr); |
1900 | str_cat(tmp2str,"("); |
1901 | tmpstr = hfetch(symtab,tmp2str->str_ptr); |
1902 | if (tmpstr && tmpstr->str_ptr) |
1903 | numeric |= atoi(tmpstr->str_ptr); |
1904 | prewalk(0,level,ops[node+2].ival,&numarg); |
1905 | str_free(tmp2str); |
1906 | break; |
1907 | case OGSUB: |
1908 | case OSUB: |
1909 | if (len >= 3) |
1910 | prewalk(0,level,ops[node+3].ival,&numarg); |
1911 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); |
1912 | prewalk(0,level,ops[node+1].ival,&numarg); |
1913 | numeric = 1; |
1914 | break; |
8d063cd8 |
1915 | case ONUM: |
1916 | prewalk(0,level,ops[node+1].ival,&numarg); |
1917 | numeric = 1; |
1918 | break; |
1919 | case OSTR: |
1920 | prewalk(0,level,ops[node+1].ival,&numarg); |
1921 | break; |
a687059c |
1922 | case ODEFINED: |
1923 | case ODELETE: |
1924 | case OSTAR: |
8d063cd8 |
1925 | case OVAR: |
1926 | prewalk(0,level,ops[node+1].ival,&numarg); |
1927 | if (len == 1) { |
1928 | if (numit) |
1929 | numericize(node); |
1930 | } |
1931 | else { |
1932 | prewalk(0,level,ops[node+2].ival,&numarg); |
1933 | } |
1934 | break; |
1935 | case OFLD: |
1936 | prewalk(0,level,ops[node+1].ival,&numarg); |
1937 | break; |
1938 | case OVFLD: |
1939 | i = ops[node+1].ival; |
1940 | prewalk(0,level,i,&numarg); |
1941 | break; |
1942 | case OJUNK: |
1943 | goto def; |
1944 | case OSNEWLINE: |
1945 | break; |
1946 | case ONEWLINE: |
1947 | break; |
1948 | case OSCOMMENT: |
1949 | break; |
1950 | case OCOMMENT: |
1951 | break; |
1952 | case OCOMMA: |
1953 | prewalk(0,level,ops[node+1].ival,&numarg); |
1954 | prewalk(0,level,ops[node+2].ival,&numarg); |
a687059c |
1955 | prewalk(0,level,ops[node+3].ival,&numarg); |
8d063cd8 |
1956 | break; |
1957 | case OSEMICOLON: |
1958 | break; |
1959 | case OSTATES: |
1960 | prewalk(0,level,ops[node+1].ival,&numarg); |
1961 | prewalk(0,level,ops[node+2].ival,&numarg); |
1962 | break; |
1963 | case OSTATE: |
1964 | if (len >= 1) { |
1965 | prewalk(0,level,ops[node+1].ival,&numarg); |
1966 | if (len >= 2) { |
1967 | prewalk(0,level,ops[node+2].ival,&numarg); |
1968 | } |
1969 | } |
1970 | break; |
a687059c |
1971 | case OCLOSE: |
1972 | prewalk(0,level,ops[node+1].ival,&numarg); |
1973 | break; |
8d063cd8 |
1974 | case OPRINTF: |
1975 | case OPRINT: |
1976 | if (len == 3) { /* output redirection */ |
1977 | prewalk(0,level,ops[node+3].ival,&numarg); |
1978 | prewalk(0,level,ops[node+2].ival,&numarg); |
1979 | } |
1980 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); |
1981 | break; |
a687059c |
1982 | case ORAND: |
1983 | break; |
1984 | case OSRAND: |
1985 | goto maybe0; |
1986 | case OATAN2: |
1987 | goto maybe0; |
1988 | case OSIN: |
1989 | goto maybe0; |
1990 | case OCOS: |
1991 | goto maybe0; |
1992 | case OSYSTEM: |
1993 | goto maybe0; |
8d063cd8 |
1994 | case OLENGTH: |
1995 | goto maybe0; |
1996 | case OLOG: |
1997 | goto maybe0; |
1998 | case OEXP: |
1999 | goto maybe0; |
2000 | case OSQRT: |
2001 | goto maybe0; |
2002 | case OINT: |
2003 | maybe0: |
2004 | numeric = 1; |
2005 | if (len > 0) |
a687059c |
2006 | prewalk(type != OLENGTH && type != OSYSTEM, |
2007 | level,ops[node+1].ival,&numarg); |
8d063cd8 |
2008 | break; |
2009 | case OBREAK: |
2010 | break; |
2011 | case ONEXT: |
2012 | break; |
2013 | case OEXIT: |
2014 | if (len == 1) { |
2015 | prewalk(1,level,ops[node+1].ival,&numarg); |
2016 | } |
2017 | break; |
2018 | case OCONTINUE: |
2019 | break; |
2020 | case OREDIR: |
2021 | goto def; |
2022 | case OIF: |
2023 | prewalk(0,level,ops[node+1].ival,&numarg); |
2024 | prewalk(0,level,ops[node+2].ival,&numarg); |
2025 | if (len == 3) { |
2026 | prewalk(0,level,ops[node+3].ival,&numarg); |
2027 | } |
2028 | break; |
2029 | case OWHILE: |
2030 | prewalk(0,level,ops[node+1].ival,&numarg); |
2031 | prewalk(0,level,ops[node+2].ival,&numarg); |
2032 | break; |
2033 | case OFOR: |
2034 | prewalk(0,level,ops[node+1].ival,&numarg); |
2035 | prewalk(0,level,ops[node+2].ival,&numarg); |
2036 | prewalk(0,level,ops[node+3].ival,&numarg); |
2037 | prewalk(0,level,ops[node+4].ival,&numarg); |
2038 | break; |
2039 | case OFORIN: |
2040 | prewalk(0,level,ops[node+2].ival,&numarg); |
2041 | prewalk(0,level,ops[node+1].ival,&numarg); |
8d063cd8 |
2042 | break; |
2043 | case OBLOCK: |
2044 | if (len == 2) { |
2045 | prewalk(0,level,ops[node+2].ival,&numarg); |
2046 | } |
2047 | ++level; |
2048 | prewalk(0,level,ops[node+1].ival,&numarg); |
2049 | --level; |
2050 | break; |
2051 | default: |
2052 | def: |
2053 | if (len) { |
2054 | if (len > 5) |
2055 | fatal("Garbage length in prewalk"); |
2056 | prewalk(0,level,ops[node+1].ival,&numarg); |
2057 | for (i = 2; i<= len; i++) { |
2058 | prewalk(0,level,ops[node+i].ival,&numarg); |
2059 | } |
2060 | } |
2061 | break; |
2062 | } |
2063 | *numericptr = numeric; |
2064 | return 1; |
2065 | } |
2066 | |
2067 | numericize(node) |
2068 | register int node; |
2069 | { |
2070 | register int len; |
2071 | register int type; |
2072 | register int i; |
2073 | STR *tmpstr; |
2074 | STR *tmp2str; |
2075 | int numarg; |
2076 | |
2077 | type = ops[node].ival; |
2078 | len = type >> 8; |
2079 | type &= 255; |
2080 | if (type == OVAR && len == 1) { |
a687059c |
2081 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
2082 | tmp2str = str_make("1"); |
2083 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
2084 | } |
2085 | } |