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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) 1991-2001, Larry Wall |
a687059c |
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 $ |
8d063cd8 |
9 | */ |
10 | |
8d063cd8 |
11 | #include "EXTERN.h" |
8d063cd8 |
12 | #include "a2p.h" |
9c8d0b29 |
13 | #include "util.h" |
8d063cd8 |
14 | |
15 | bool exitval = FALSE; |
16 | bool realexit = FALSE; |
378cc40b |
17 | bool saw_getline = FALSE; |
a687059c |
18 | bool subretnum = FALSE; |
19 | bool saw_FNR = FALSE; |
20 | bool saw_argv0 = FALSE; |
d48672a2 |
21 | bool saw_fh = FALSE; |
8d063cd8 |
22 | int maxtmp = 0; |
378cc40b |
23 | char *lparen; |
24 | char *rparen; |
55204971 |
25 | char *limit; |
a687059c |
26 | STR *subs; |
27 | STR *curargs = Nullstr; |
8d063cd8 |
28 | |
20ce7b12 |
29 | static void addsemi ( STR *str ); |
30 | static void emit_split ( STR *str, int level ); |
31 | static void fixtab ( STR *str, int lvl ); |
32 | static void numericize ( int node ); |
33 | static void tab ( STR *str, int lvl ); |
56febc5e |
34 | |
20ce7b12 |
35 | int prewalk ( int numit, int level, int node, int *numericptr ); |
36 | STR * walk ( int useval, int level, int node, int *numericptr, int minprec ); |
9c8d0b29 |
37 | |
38 | |
8d063cd8 |
39 | STR * |
f0f333f4 |
40 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
41 | |
42 | |
43 | |
44 | |
45 | /* minimum precedence without parens */ |
8d063cd8 |
46 | { |
47 | register int len; |
48 | register STR *str; |
49 | register int type; |
50 | register int i; |
51 | register STR *tmpstr; |
52 | STR *tmp2str; |
a687059c |
53 | STR *tmp3str; |
8d063cd8 |
54 | char *t; |
b7953727 |
55 | char *d, *s = 0; |
8d063cd8 |
56 | int numarg; |
57 | int numeric = FALSE; |
58 | STR *fstr; |
a687059c |
59 | int prec = P_MAX; /* assume no parens needed */ |
8d063cd8 |
60 | |
61 | if (!node) { |
62 | *numericptr = 0; |
63 | return str_make(""); |
64 | } |
65 | type = ops[node].ival; |
66 | len = type >> 8; |
67 | type &= 255; |
68 | switch (type) { |
69 | case OPROG: |
d48672a2 |
70 | arymax = 0; |
71 | if (namelist) { |
72 | while (isalpha(*namelist)) { |
73 | for (d = tokenbuf,s=namelist; |
74 | isalpha(*s) || isdigit(*s) || *s == '_'; |
75 | *d++ = *s++) ; |
76 | *d = '\0'; |
77 | while (*s && !isalpha(*s)) s++; |
78 | namelist = s; |
79 | nameary[++arymax] = savestr(tokenbuf); |
80 | } |
81 | } |
82 | if (maxfld < arymax) |
83 | maxfld = arymax; |
8d063cd8 |
84 | opens = str_new(0); |
a687059c |
85 | subs = str_new(0); |
86 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
87 | if (do_split && need_entire && !absmaxfld) |
88 | split_to_array = TRUE; |
89 | if (do_split && split_to_array) |
90 | set_array_base = TRUE; |
91 | if (set_array_base) { |
92 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); |
93 | } |
94 | if (fswitch && !const_FS) |
95 | const_FS = fswitch; |
96 | if (saw_FS > 1 || saw_RS) |
97 | const_FS = 0; |
98 | if (saw_ORS && need_entire) |
99 | do_chop = TRUE; |
100 | if (fswitch) { |
101 | str_cat(str,"$FS = '"); |
a0d0e21e |
102 | if (strchr("*+?.[]()|^$\\",fswitch)) |
8d063cd8 |
103 | str_cat(str,"\\"); |
104 | sprintf(tokenbuf,"%c",fswitch); |
105 | str_cat(str,tokenbuf); |
106 | str_cat(str,"';\t\t# field separator from -F switch\n"); |
107 | } |
108 | else if (saw_FS && !const_FS) { |
9bb9d9f7 |
109 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
8d063cd8 |
110 | } |
111 | if (saw_OFS) { |
a559c259 |
112 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
8d063cd8 |
113 | } |
114 | if (saw_ORS) { |
a559c259 |
115 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
8d063cd8 |
116 | } |
a687059c |
117 | if (saw_argv0) { |
118 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); |
119 | } |
8d063cd8 |
120 | if (str->str_cur > 20) |
121 | str_cat(str,"\n"); |
122 | if (ops[node+2].ival) { |
a687059c |
123 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
124 | str_free(fstr); |
125 | str_cat(str,"\n\n"); |
126 | } |
a687059c |
127 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
128 | if (*fstr->str_ptr) { |
129 | if (saw_line_op) |
130 | str_cat(str,"line: "); |
131 | str_cat(str,"while (<>) {\n"); |
132 | tab(str,++level); |
133 | if (saw_FS && !const_FS) |
134 | do_chop = TRUE; |
135 | if (do_chop) { |
7bdaec8a |
136 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
137 | tab(str,level); |
8d063cd8 |
138 | } |
a687059c |
139 | if (do_split) |
140 | emit_split(str,level); |
141 | str_scat(str,fstr); |
142 | str_free(fstr); |
143 | fixtab(str,--level); |
144 | str_cat(str,"}\n"); |
145 | if (saw_FNR) |
146 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); |
8d063cd8 |
147 | } |
a5571d59 |
148 | else if (old_awk) |
ae986130 |
149 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
8d063cd8 |
150 | if (ops[node+4].ival) { |
151 | realexit = TRUE; |
152 | str_cat(str,"\n"); |
153 | tab(str,level); |
a687059c |
154 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
155 | str_free(fstr); |
156 | str_cat(str,"\n"); |
157 | } |
158 | if (exitval) |
9f68db38 |
159 | str_cat(str,"exit $ExitValue;\n"); |
a687059c |
160 | if (subs->str_ptr) { |
161 | str_cat(str,"\n"); |
162 | str_scat(str,subs); |
163 | } |
378cc40b |
164 | if (saw_getline) { |
a687059c |
165 | for (len = 0; len < 4; len++) { |
166 | if (saw_getline & (1 << len)) { |
167 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); |
168 | str_cat(str, tokenbuf); |
169 | if (len & 2) { |
170 | if (do_fancy_opens) |
171 | str_cat(str," &Pick('',@_);\n"); |
172 | else |
173 | str_cat(str," ($fh) = @_;\n"); |
174 | } |
175 | else { |
176 | if (saw_FNR) |
177 | str_cat(str," $FNRbase = $. if eof;\n"); |
178 | } |
179 | if (len & 1) |
62b28dd9 |
180 | str_cat(str," local($_);\n"); |
a687059c |
181 | if (len & 2) |
182 | str_cat(str, |
183 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); |
184 | else |
185 | str_cat(str, |
186 | " if ($getline_ok = (($_ = <>) ne ''))"); |
187 | str_cat(str, " {\n"); |
188 | level += 2; |
189 | tab(str,level); |
190 | i = 0; |
191 | if (do_chop) { |
192 | i++; |
7bdaec8a |
193 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
194 | tab(str,level); |
195 | } |
196 | if (do_split && !(len & 1)) { |
197 | i++; |
198 | emit_split(str,level); |
199 | } |
200 | if (!i) |
201 | str_cat(str,";\n"); |
202 | fixtab(str,--level); |
203 | str_cat(str,"}\n $_;\n}\n"); |
204 | --level; |
205 | } |
378cc40b |
206 | } |
378cc40b |
207 | } |
8d063cd8 |
208 | if (do_fancy_opens) { |
209 | str_cat(str,"\n\ |
210 | sub Pick {\n\ |
a687059c |
211 | local($mode,$name,$pipe) = @_;\n\ |
7c0587c8 |
212 | $fh = $name;\n\ |
213 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ |
8d063cd8 |
214 | }\n\ |
215 | "); |
216 | } |
217 | break; |
218 | case OHUNKS: |
a687059c |
219 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
220 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
221 | str_free(fstr); |
222 | if (len == 3) { |
a687059c |
223 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
224 | str_free(fstr); |
225 | } |
226 | else { |
227 | } |
228 | break; |
229 | case ORANGE: |
a687059c |
230 | prec = P_DOTDOT; |
231 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
232 | str_cat(str," .. "); |
a687059c |
233 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
234 | str_free(fstr); |
235 | break; |
236 | case OPAT: |
237 | goto def; |
238 | case OREGEX: |
239 | str = str_new(0); |
240 | str_set(str,"/"); |
a687059c |
241 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
242 | /* translate \nnn to [\nnn] */ |
243 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { |
a687059c |
244 | if (*s == '\\' && isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])){ |
8d063cd8 |
245 | *d++ = '['; |
246 | *d++ = *s++; |
247 | *d++ = *s++; |
248 | *d++ = *s++; |
249 | *d++ = *s; |
250 | *d = ']'; |
251 | } |
252 | else |
253 | *d = *s; |
254 | } |
255 | *d = '\0'; |
378cc40b |
256 | for (d=tokenbuf; *d; d++) |
257 | *d += 128; |
8d063cd8 |
258 | str_cat(str,tokenbuf); |
259 | str_free(tmpstr); |
260 | str_cat(str,"/"); |
261 | break; |
262 | case OHUNK: |
263 | if (len == 1) { |
264 | str = str_new(0); |
a687059c |
265 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
8d063cd8 |
266 | str_cat(str," if "); |
a687059c |
267 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
268 | str_free(fstr); |
269 | str_cat(str,";"); |
270 | } |
271 | else { |
a687059c |
272 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
273 | if (*tmpstr->str_ptr) { |
274 | str = str_new(0); |
275 | str_set(str,"if ("); |
276 | str_scat(str,tmpstr); |
277 | str_cat(str,") {\n"); |
278 | tab(str,++level); |
a687059c |
279 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
280 | str_free(fstr); |
281 | fixtab(str,--level); |
282 | str_cat(str,"}\n"); |
283 | tab(str,level); |
284 | } |
285 | else { |
a687059c |
286 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
287 | } |
288 | } |
289 | break; |
290 | case OPPAREN: |
291 | str = str_new(0); |
292 | str_set(str,"("); |
a687059c |
293 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
294 | str_free(fstr); |
295 | str_cat(str,")"); |
296 | break; |
297 | case OPANDAND: |
a687059c |
298 | prec = P_ANDAND; |
299 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
300 | str_cat(str," && "); |
a687059c |
301 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
302 | str_free(fstr); |
303 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
304 | str_free(fstr); |
305 | break; |
306 | case OPOROR: |
a687059c |
307 | prec = P_OROR; |
308 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
309 | str_cat(str," || "); |
a687059c |
310 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
311 | str_free(fstr); |
312 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
313 | str_free(fstr); |
314 | break; |
315 | case OPNOT: |
a687059c |
316 | prec = P_UNARY; |
8d063cd8 |
317 | str = str_new(0); |
318 | str_set(str,"!"); |
a687059c |
319 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
320 | str_free(fstr); |
321 | break; |
62b28dd9 |
322 | case OCOND: |
323 | prec = P_COND; |
324 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
325 | str_cat(str," ? "); |
326 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
327 | str_free(fstr); |
328 | str_cat(str," : "); |
329 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
330 | str_free(fstr); |
331 | break; |
8d063cd8 |
332 | case OCPAREN: |
333 | str = str_new(0); |
334 | str_set(str,"("); |
a687059c |
335 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
336 | str_free(fstr); |
337 | numeric |= numarg; |
338 | str_cat(str,")"); |
339 | break; |
340 | case OCANDAND: |
a687059c |
341 | prec = P_ANDAND; |
342 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
343 | numeric = 1; |
344 | str_cat(str," && "); |
a687059c |
345 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
346 | str_free(fstr); |
347 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
348 | str_free(fstr); |
349 | break; |
350 | case OCOROR: |
a687059c |
351 | prec = P_OROR; |
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 OCNOT: |
a687059c |
361 | prec = P_UNARY; |
8d063cd8 |
362 | str = str_new(0); |
363 | str_set(str,"!"); |
a687059c |
364 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
365 | str_free(fstr); |
366 | numeric = 1; |
367 | break; |
368 | case ORELOP: |
a687059c |
369 | prec = P_REL; |
370 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
371 | numeric |= numarg; |
a687059c |
372 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
373 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); |
8d063cd8 |
374 | numeric |= numarg; |
a687059c |
375 | if (!numeric || |
376 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { |
8d063cd8 |
377 | t = tmpstr->str_ptr; |
378 | if (strEQ(t,"==")) |
379 | str_set(tmpstr,"eq"); |
380 | else if (strEQ(t,"!=")) |
381 | str_set(tmpstr,"ne"); |
382 | else if (strEQ(t,"<")) |
383 | str_set(tmpstr,"lt"); |
384 | else if (strEQ(t,"<=")) |
385 | str_set(tmpstr,"le"); |
386 | else if (strEQ(t,">")) |
387 | str_set(tmpstr,"gt"); |
388 | else if (strEQ(t,">=")) |
389 | str_set(tmpstr,"ge"); |
a0d0e21e |
390 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
391 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) |
8d063cd8 |
392 | numeric |= 2; |
393 | } |
394 | if (numeric & 2) { |
395 | if (numeric & 1) /* numeric is very good guess */ |
396 | str_cat(str," "); |
397 | else |
398 | str_cat(str,"\377"); |
399 | numeric = 1; |
400 | } |
401 | else |
402 | str_cat(str," "); |
403 | str_scat(str,tmpstr); |
404 | str_free(tmpstr); |
405 | str_cat(str," "); |
406 | str_scat(str,tmp2str); |
407 | str_free(tmp2str); |
408 | numeric = 1; |
409 | break; |
410 | case ORPAREN: |
411 | str = str_new(0); |
412 | str_set(str,"("); |
a687059c |
413 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
414 | str_free(fstr); |
415 | numeric |= numarg; |
416 | str_cat(str,")"); |
417 | break; |
418 | case OMATCHOP: |
a687059c |
419 | prec = P_MATCH; |
420 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
421 | str_cat(str," "); |
a687059c |
422 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
423 | if (strEQ(tmpstr->str_ptr,"~")) |
424 | str_cat(str,"=~"); |
425 | else { |
426 | str_scat(str,tmpstr); |
427 | str_free(tmpstr); |
428 | } |
429 | str_cat(str," "); |
a687059c |
430 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
431 | str_free(fstr); |
432 | numeric = 1; |
433 | break; |
434 | case OMPAREN: |
435 | str = str_new(0); |
436 | str_set(str,"("); |
a687059c |
437 | str_scat(str, |
438 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
439 | str_free(fstr); |
440 | numeric |= numarg; |
441 | str_cat(str,")"); |
442 | break; |
443 | case OCONCAT: |
a687059c |
444 | prec = P_ADD; |
445 | type = ops[ops[node+1].ival].ival & 255; |
446 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); |
8d063cd8 |
447 | str_cat(str," . "); |
a687059c |
448 | type = ops[ops[node+2].ival].ival & 255; |
449 | str_scat(str, |
450 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); |
8d063cd8 |
451 | str_free(fstr); |
452 | break; |
453 | case OASSIGN: |
a687059c |
454 | prec = P_ASSIGN; |
455 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
456 | str_cat(str," "); |
a687059c |
457 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
458 | str_scat(str,tmpstr); |
459 | if (str_len(tmpstr) > 1) |
460 | numeric = 1; |
461 | str_free(tmpstr); |
462 | str_cat(str," "); |
a687059c |
463 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
8d063cd8 |
464 | str_free(fstr); |
465 | numeric |= numarg; |
7c0587c8 |
466 | if (strEQ(str->str_ptr,"$/ = ''")) |
467 | str_set(str, "$/ = \"\\n\\n\""); |
8d063cd8 |
468 | break; |
469 | case OADD: |
a687059c |
470 | prec = P_ADD; |
471 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
472 | str_cat(str," + "); |
a687059c |
473 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
474 | str_free(fstr); |
475 | numeric = 1; |
476 | break; |
a687059c |
477 | case OSUBTRACT: |
478 | prec = P_ADD; |
479 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
480 | str_cat(str," - "); |
a687059c |
481 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
482 | str_free(fstr); |
483 | numeric = 1; |
484 | break; |
485 | case OMULT: |
a687059c |
486 | prec = P_MUL; |
487 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
488 | str_cat(str," * "); |
a687059c |
489 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
490 | str_free(fstr); |
491 | numeric = 1; |
492 | break; |
493 | case ODIV: |
a687059c |
494 | prec = P_MUL; |
495 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
496 | str_cat(str," / "); |
a687059c |
497 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
498 | str_free(fstr); |
499 | numeric = 1; |
500 | break; |
501 | case OPOW: |
502 | prec = P_POW; |
503 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
504 | str_cat(str," ** "); |
505 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); |
8d063cd8 |
506 | str_free(fstr); |
507 | numeric = 1; |
508 | break; |
509 | case OMOD: |
a687059c |
510 | prec = P_MUL; |
511 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
512 | str_cat(str," % "); |
a687059c |
513 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
514 | str_free(fstr); |
515 | numeric = 1; |
516 | break; |
517 | case OPOSTINCR: |
a687059c |
518 | prec = P_AUTO; |
519 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
520 | str_cat(str,"++"); |
521 | numeric = 1; |
522 | break; |
523 | case OPOSTDECR: |
a687059c |
524 | prec = P_AUTO; |
525 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
526 | str_cat(str,"--"); |
527 | numeric = 1; |
528 | break; |
529 | case OPREINCR: |
a687059c |
530 | prec = P_AUTO; |
8d063cd8 |
531 | str = str_new(0); |
532 | str_set(str,"++"); |
a687059c |
533 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
534 | str_free(fstr); |
535 | numeric = 1; |
536 | break; |
537 | case OPREDECR: |
a687059c |
538 | prec = P_AUTO; |
8d063cd8 |
539 | str = str_new(0); |
540 | str_set(str,"--"); |
a687059c |
541 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
542 | str_free(fstr); |
543 | numeric = 1; |
544 | break; |
545 | case OUMINUS: |
a687059c |
546 | prec = P_UNARY; |
8d063cd8 |
547 | str = str_new(0); |
548 | str_set(str,"-"); |
a687059c |
549 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
550 | str_free(fstr); |
551 | numeric = 1; |
552 | break; |
553 | case OUPLUS: |
554 | numeric = 1; |
555 | goto def; |
556 | case OPAREN: |
557 | str = str_new(0); |
558 | str_set(str,"("); |
a687059c |
559 | str_scat(str, |
560 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
561 | str_free(fstr); |
562 | str_cat(str,")"); |
563 | numeric |= numarg; |
564 | break; |
565 | case OGETLINE: |
566 | str = str_new(0); |
a687059c |
567 | if (useval) |
568 | str_cat(str,"("); |
569 | if (len > 0) { |
a687059c |
570 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
571 | if (!*fstr->str_ptr) { |
7c0587c8 |
572 | str_cat(str,"$_"); |
a687059c |
573 | len = 2; /* a legal fiction */ |
574 | } |
575 | str_free(fstr); |
576 | } |
577 | else |
578 | str_cat(str,"$_"); |
579 | if (len > 1) { |
580 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
581 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
582 | if (!do_fancy_opens) { |
583 | t = tmpstr->str_ptr; |
584 | if (*t == '"' || *t == '\'') |
585 | t = cpytill(tokenbuf,t+1,*t); |
586 | else |
587 | fatal("Internal error: OGETLINE %s", t); |
588 | d = savestr(t); |
589 | s = savestr(tokenbuf); |
590 | for (t = tokenbuf; *t; t++) { |
591 | *t &= 127; |
d48672a2 |
592 | if (islower(*t)) |
593 | *t = toupper(*t); |
a687059c |
594 | if (!isalpha(*t) && !isdigit(*t)) |
595 | *t = '_'; |
596 | } |
a0d0e21e |
597 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
598 | strcpy(t,"_FH"); |
a687059c |
599 | tmp3str = hfetch(symtab,tokenbuf); |
600 | if (!tmp3str) { |
601 | do_opens = TRUE; |
602 | str_cat(opens,"open("); |
603 | str_cat(opens,tokenbuf); |
604 | str_cat(opens,", "); |
605 | d[1] = '\0'; |
606 | str_cat(opens,d); |
607 | str_cat(opens,tmpstr->str_ptr+1); |
608 | opens->str_cur--; |
609 | if (*fstr->str_ptr == '|') |
610 | str_cat(opens,"|"); |
611 | str_cat(opens,d); |
612 | if (*fstr->str_ptr == '|') |
613 | str_cat(opens,") || die 'Cannot pipe from \""); |
614 | else |
615 | str_cat(opens,") || die 'Cannot open file \""); |
616 | if (*d == '"') |
617 | str_cat(opens,"'.\""); |
618 | str_cat(opens,s); |
619 | if (*d == '"') |
620 | str_cat(opens,"\".'"); |
621 | str_cat(opens,"\".';\n"); |
622 | hstore(symtab,tokenbuf,str_make("x")); |
623 | } |
624 | safefree(s); |
625 | safefree(d); |
626 | str_set(tmpstr,"'"); |
627 | str_cat(tmpstr,tokenbuf); |
628 | str_cat(tmpstr,"'"); |
629 | } |
630 | if (*fstr->str_ptr == '|') |
631 | str_cat(tmpstr,", '|'"); |
632 | str_free(fstr); |
633 | } |
634 | else |
635 | tmpstr = str_make(""); |
636 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); |
637 | str_cat(str,tokenbuf); |
638 | str_free(tmpstr); |
639 | if (useval) |
640 | str_cat(str,",$getline_ok)"); |
641 | saw_getline |= 1 << len; |
8d063cd8 |
642 | break; |
643 | case OSPRINTF: |
644 | str = str_new(0); |
645 | str_set(str,"sprintf("); |
a687059c |
646 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
647 | str_free(fstr); |
648 | str_cat(str,")"); |
649 | break; |
650 | case OSUBSTR: |
651 | str = str_new(0); |
652 | str_set(str,"substr("); |
a687059c |
653 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
654 | str_free(fstr); |
655 | str_cat(str,", "); |
a687059c |
656 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
657 | str_free(fstr); |
658 | str_cat(str,", "); |
659 | if (len == 3) { |
a687059c |
660 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
661 | str_free(fstr); |
662 | } |
663 | else |
664 | str_cat(str,"999999"); |
665 | str_cat(str,")"); |
666 | break; |
667 | case OSTRING: |
668 | str = str_new(0); |
669 | str_set(str,ops[node+1].cval); |
670 | break; |
671 | case OSPLIT: |
672 | str = str_new(0); |
55204971 |
673 | limit = ", 9999)"; |
8d063cd8 |
674 | numeric = 1; |
a687059c |
675 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
676 | if (useval) |
677 | str_set(str,"(@"); |
678 | else |
679 | str_set(str,"@"); |
680 | str_scat(str,tmpstr); |
681 | str_cat(str," = split("); |
682 | if (len == 3) { |
a687059c |
683 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
8d063cd8 |
684 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
685 | i = fstr->str_ptr[1] & 127; |
a0d0e21e |
686 | if (strchr("*+?.[]()|^$\\",i)) |
8d063cd8 |
687 | sprintf(tokenbuf,"/\\%c/",i); |
20188a90 |
688 | else if (i == ' ') |
62b28dd9 |
689 | sprintf(tokenbuf,"' '"); |
8d063cd8 |
690 | else |
691 | sprintf(tokenbuf,"/%c/",i); |
692 | str_cat(str,tokenbuf); |
693 | } |
694 | else |
695 | str_scat(str,fstr); |
696 | str_free(fstr); |
697 | } |
698 | else if (const_FS) { |
699 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); |
700 | str_cat(str,tokenbuf); |
701 | } |
702 | else if (saw_FS) |
703 | str_cat(str,"$FS"); |
55204971 |
704 | else { |
9bb9d9f7 |
705 | str_cat(str,"' '"); |
55204971 |
706 | limit = ")"; |
707 | } |
8d063cd8 |
708 | str_cat(str,", "); |
a687059c |
709 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
710 | str_free(fstr); |
55204971 |
711 | str_cat(str,limit); |
8d063cd8 |
712 | if (useval) { |
713 | str_cat(str,")"); |
714 | } |
715 | str_free(tmpstr); |
716 | break; |
717 | case OINDEX: |
718 | str = str_new(0); |
719 | str_set(str,"index("); |
a687059c |
720 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
721 | str_free(fstr); |
722 | str_cat(str,", "); |
a687059c |
723 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
724 | str_free(fstr); |
725 | str_cat(str,")"); |
726 | numeric = 1; |
727 | break; |
a687059c |
728 | case OMATCH: |
729 | str = str_new(0); |
730 | prec = P_ANDAND; |
731 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); |
732 | str_free(fstr); |
733 | str_cat(str," =~ "); |
734 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); |
735 | str_free(fstr); |
736 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); |
737 | numeric = 1; |
738 | break; |
739 | case OUSERDEF: |
740 | str = str_new(0); |
741 | subretnum = FALSE; |
742 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); |
743 | curargs = str_new(0); |
744 | str_sset(curargs,fstr); |
745 | str_cat(curargs,","); |
746 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); |
747 | str_free(curargs); |
748 | curargs = Nullstr; |
749 | level--; |
750 | subretnum |= numarg; |
751 | s = Nullch; |
752 | t = tmp2str->str_ptr; |
b7953727 |
753 | while ((t = instr(t,"return "))) |
a687059c |
754 | s = t++; |
755 | if (s) { |
756 | i = 0; |
757 | for (t = s+7; *t; t++) { |
758 | if (*t == ';' || *t == '}') |
759 | i++; |
760 | } |
761 | if (i == 1) { |
762 | strcpy(s,s+7); |
763 | tmp2str->str_cur -= 7; |
764 | } |
765 | } |
766 | str_set(str,"\n"); |
767 | tab(str,level); |
768 | str_cat(str,"sub "); |
769 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
770 | str_cat(str," {\n"); |
771 | tab(str,++level); |
772 | if (fstr->str_cur) { |
773 | str_cat(str,"local("); |
774 | str_scat(str,fstr); |
775 | str_cat(str,") = @_;"); |
776 | } |
777 | str_free(fstr); |
778 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
779 | str_free(fstr); |
780 | fixtab(str,level); |
781 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); |
782 | str_free(fstr); |
783 | fixtab(str,level); |
784 | str_scat(str,tmp2str); |
785 | str_free(tmp2str); |
786 | fixtab(str,--level); |
787 | str_cat(str,"}\n"); |
788 | tab(str,level); |
789 | str_scat(subs,str); |
790 | str_set(str,""); |
791 | str_cat(tmpstr,"("); |
792 | tmp2str = str_new(0); |
793 | if (subretnum) |
794 | str_set(tmp2str,"1"); |
795 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
796 | str_free(tmpstr); |
797 | level++; |
798 | break; |
799 | case ORETURN: |
800 | str = str_new(0); |
801 | if (len > 0) { |
802 | str_cat(str,"return "); |
803 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); |
804 | str_free(fstr); |
805 | if (numarg) |
806 | subretnum = TRUE; |
807 | } |
808 | else |
809 | str_cat(str,"return"); |
810 | break; |
811 | case OUSERFUN: |
812 | str = str_new(0); |
813 | str_set(str,"&"); |
814 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
815 | str_free(fstr); |
816 | str_cat(str,"("); |
817 | tmpstr = hfetch(symtab,str->str_ptr+3); |
818 | if (tmpstr && tmpstr->str_ptr) |
819 | numeric |= atoi(tmpstr->str_ptr); |
820 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
821 | str_free(fstr); |
822 | str_cat(str,")"); |
823 | break; |
824 | case OGSUB: |
825 | case OSUB: |
826 | if (type == OGSUB) |
827 | s = "g"; |
828 | else |
829 | s = ""; |
830 | str = str_new(0); |
831 | tmpstr = str_new(0); |
832 | i = 0; |
833 | if (len == 3) { |
834 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); |
835 | if (strNE(tmpstr->str_ptr,"$_")) { |
836 | str_cat(tmpstr, " =~ s"); |
837 | i++; |
838 | } |
839 | else |
840 | str_set(tmpstr, "s"); |
841 | } |
842 | else |
843 | str_set(tmpstr, "s"); |
844 | type = ops[ops[node+2].ival].ival; |
845 | len = type >> 8; |
846 | type &= 255; |
847 | tmp3str = str_new(0); |
848 | if (type == OSTR) { |
849 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
850 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { |
851 | if (*t == '&') |
852 | *d++ = '$' + 128; |
853 | else if (*t == '$') |
854 | *d++ = '\\' + 128; |
855 | *d = *t + 128; |
856 | } |
857 | *d = '\0'; |
858 | str_set(tmp2str,tokenbuf); |
859 | } |
860 | else { |
861 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
862 | str_set(tmp3str,"($s_ = '\"'.("); |
863 | str_scat(tmp3str,tmp2str); |
864 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); |
865 | str_set(tmp2str,"eval $s_"); |
2b260de0 |
866 | s = (char*)(*s == 'g' ? "ge" : "e"); |
a687059c |
867 | i++; |
868 | } |
869 | type = ops[ops[node+1].ival].ival; |
870 | len = type >> 8; |
871 | type &= 255; |
872 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
873 | if (type == OREGEX) { |
874 | if (useval && i) |
875 | str_cat(str,"("); |
876 | str_scat(str,tmp3str); |
877 | str_scat(str,tmpstr); |
878 | str_scat(str,fstr); |
879 | str_scat(str,tmp2str); |
880 | str_cat(str,"/"); |
881 | str_cat(str,s); |
882 | } |
883 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { |
884 | if (useval && i) |
885 | str_cat(str,"("); |
886 | str_scat(str,tmp3str); |
887 | str_scat(str,tmpstr); |
888 | str_cat(str,"/"); |
889 | str_scat(str,fstr); |
890 | str_cat(str,"/"); |
891 | str_scat(str,tmp2str); |
892 | str_cat(str,"/"); |
893 | str_cat(str,s); |
894 | } |
895 | else { |
896 | i++; |
897 | if (useval) |
898 | str_cat(str,"("); |
899 | str_cat(str,"$s = "); |
900 | str_scat(str,fstr); |
901 | str_cat(str,", "); |
902 | str_scat(str,tmp3str); |
903 | str_scat(str,tmpstr); |
904 | str_cat(str,"/$s/"); |
905 | str_scat(str,tmp2str); |
906 | str_cat(str,"/"); |
907 | str_cat(str,s); |
908 | } |
909 | if (useval && i) |
910 | str_cat(str,")"); |
911 | str_free(fstr); |
912 | str_free(tmpstr); |
913 | str_free(tmp2str); |
914 | str_free(tmp3str); |
915 | numeric = 1; |
916 | break; |
8d063cd8 |
917 | case ONUM: |
a687059c |
918 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
919 | numeric = 1; |
920 | break; |
921 | case OSTR: |
a687059c |
922 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
923 | s = "'"; |
378cc40b |
924 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
925 | if (*t == '\'') |
926 | s = "\""; |
927 | else if (*t == '\\') { |
8d063cd8 |
928 | s = "\""; |
378cc40b |
929 | *d++ = *t++ + 128; |
930 | switch (*t) { |
fe14fcc3 |
931 | case '\\': case '"': case 'n': case 't': case '$': |
378cc40b |
932 | break; |
933 | default: /* hide this from perl */ |
934 | *d++ = '\\' + 128; |
935 | } |
936 | } |
937 | *d = *t + 128; |
8d063cd8 |
938 | } |
378cc40b |
939 | *d = '\0'; |
8d063cd8 |
940 | str = str_new(0); |
941 | str_set(str,s); |
378cc40b |
942 | str_cat(str,tokenbuf); |
8d063cd8 |
943 | str_free(tmpstr); |
944 | str_cat(str,s); |
945 | break; |
a687059c |
946 | case ODEFINED: |
947 | prec = P_UNI; |
948 | str = str_new(0); |
949 | str_set(str,"defined $"); |
950 | goto addvar; |
951 | case ODELETE: |
952 | str = str_new(0); |
953 | str_set(str,"delete $"); |
954 | goto addvar; |
955 | case OSTAR: |
956 | str = str_new(0); |
957 | str_set(str,"*"); |
958 | goto addvar; |
8d063cd8 |
959 | case OVAR: |
960 | str = str_new(0); |
961 | str_set(str,"$"); |
a687059c |
962 | addvar: |
963 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
964 | if (len == 1) { |
965 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
966 | if (tmp2str && atoi(tmp2str->str_ptr)) |
967 | numeric = 2; |
a687059c |
968 | if (strEQ(str->str_ptr,"$FNR")) { |
969 | numeric = 1; |
970 | saw_FNR++; |
971 | str_set(str,"($.-$FNRbase)"); |
972 | } |
973 | else if (strEQ(str->str_ptr,"$NR")) { |
8d063cd8 |
974 | numeric = 1; |
975 | str_set(str,"$."); |
976 | } |
977 | else if (strEQ(str->str_ptr,"$NF")) { |
978 | numeric = 1; |
979 | str_set(str,"$#Fld"); |
980 | } |
981 | else if (strEQ(str->str_ptr,"$0")) |
982 | str_set(str,"$_"); |
a687059c |
983 | else if (strEQ(str->str_ptr,"$ARGC")) |
984 | str_set(str,"($#ARGV+1)"); |
8d063cd8 |
985 | } |
986 | else { |
a687059c |
987 | #ifdef NOTDEF |
988 | if (curargs) { |
989 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); |
990 | ??? if (instr(curargs->str_ptr,tokenbuf)) |
991 | str_cat(str,"\377"); /* can't translate yet */ |
992 | } |
993 | #endif |
8d063cd8 |
994 | str_cat(tmpstr,"[]"); |
995 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
996 | if (tmp2str && atoi(tmp2str->str_ptr)) |
997 | str_cat(str,"["); |
998 | else |
999 | str_cat(str,"{"); |
a687059c |
1000 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1001 | str_free(fstr); |
a687059c |
1002 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
1003 | str_set(str,"$ARGV0"); |
1004 | saw_argv0++; |
1005 | } |
1006 | else { |
1007 | if (tmp2str && atoi(tmp2str->str_ptr)) |
1008 | strcpy(tokenbuf,"]"); |
1009 | else |
1010 | strcpy(tokenbuf,"}"); |
1011 | *tokenbuf += 128; |
1012 | str_cat(str,tokenbuf); |
1013 | } |
8d063cd8 |
1014 | } |
1015 | str_free(tmpstr); |
1016 | break; |
1017 | case OFLD: |
1018 | str = str_new(0); |
1019 | if (split_to_array) { |
1020 | str_set(str,"$Fld"); |
1021 | str_cat(str,"["); |
a687059c |
1022 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1023 | str_free(fstr); |
1024 | str_cat(str,"]"); |
1025 | } |
1026 | else { |
a687059c |
1027 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
8d063cd8 |
1028 | if (i <= arymax) |
1029 | sprintf(tokenbuf,"$%s",nameary[i]); |
1030 | else |
1031 | sprintf(tokenbuf,"$Fld%d",i); |
1032 | str_set(str,tokenbuf); |
1033 | } |
1034 | break; |
1035 | case OVFLD: |
1036 | str = str_new(0); |
1037 | str_set(str,"$Fld["); |
1038 | i = ops[node+1].ival; |
1039 | if ((ops[i].ival & 255) == OPAREN) |
1040 | i = ops[i+1].ival; |
a687059c |
1041 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
8d063cd8 |
1042 | str_scat(str,tmpstr); |
1043 | str_free(tmpstr); |
1044 | str_cat(str,"]"); |
1045 | break; |
1046 | case OJUNK: |
1047 | goto def; |
1048 | case OSNEWLINE: |
1049 | str = str_new(2); |
1050 | str_set(str,";\n"); |
1051 | tab(str,level); |
1052 | break; |
1053 | case ONEWLINE: |
1054 | str = str_new(1); |
1055 | str_set(str,"\n"); |
1056 | tab(str,level); |
1057 | break; |
1058 | case OSCOMMENT: |
1059 | str = str_new(0); |
1060 | str_set(str,";"); |
a687059c |
1061 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1062 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
1063 | *s += 128; |
1064 | str_scat(str,tmpstr); |
1065 | str_free(tmpstr); |
1066 | tab(str,level); |
1067 | break; |
1068 | case OCOMMENT: |
1069 | str = str_new(0); |
a687059c |
1070 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1071 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
1072 | *s += 128; |
1073 | str_scat(str,tmpstr); |
1074 | str_free(tmpstr); |
1075 | tab(str,level); |
1076 | break; |
1077 | case OCOMMA: |
a687059c |
1078 | prec = P_COMMA; |
1079 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
1080 | str_cat(str,", "); |
a687059c |
1081 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
1082 | str_free(fstr); |
1083 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
1084 | str_free(fstr); |
1085 | break; |
1086 | case OSEMICOLON: |
1087 | str = str_new(1); |
a687059c |
1088 | str_set(str,";\n"); |
1089 | tab(str,level); |
8d063cd8 |
1090 | break; |
1091 | case OSTATES: |
a687059c |
1092 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1093 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1094 | str_free(fstr); |
1095 | break; |
1096 | case OSTATE: |
1097 | str = str_new(0); |
1098 | if (len >= 1) { |
a687059c |
1099 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1100 | str_free(fstr); |
1101 | if (len >= 2) { |
a687059c |
1102 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1103 | if (*tmpstr->str_ptr == ';') { |
1104 | addsemi(str); |
1105 | str_cat(str,tmpstr->str_ptr+1); |
1106 | } |
1107 | str_free(tmpstr); |
1108 | } |
1109 | } |
1110 | break; |
a687059c |
1111 | case OCLOSE: |
1112 | str = str_make("close("); |
1113 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
1114 | if (!do_fancy_opens) { |
1115 | t = tmpstr->str_ptr; |
1116 | if (*t == '"' || *t == '\'') |
1117 | t = cpytill(tokenbuf,t+1,*t); |
1118 | else |
1119 | fatal("Internal error: OCLOSE %s",t); |
1120 | s = savestr(tokenbuf); |
1121 | for (t = tokenbuf; *t; t++) { |
1122 | *t &= 127; |
d48672a2 |
1123 | if (islower(*t)) |
1124 | *t = toupper(*t); |
a687059c |
1125 | if (!isalpha(*t) && !isdigit(*t)) |
1126 | *t = '_'; |
1127 | } |
a0d0e21e |
1128 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1129 | strcpy(t,"_FH"); |
a687059c |
1130 | str_free(tmpstr); |
1131 | safefree(s); |
1132 | str_set(str,"close "); |
1133 | str_cat(str,tokenbuf); |
1134 | } |
1135 | else { |
7c0587c8 |
1136 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
1137 | tmpstr->str_ptr, tmpstr->str_ptr); |
a687059c |
1138 | str_free(tmpstr); |
1139 | str_set(str,tokenbuf); |
1140 | } |
1141 | break; |
8d063cd8 |
1142 | case OPRINTF: |
1143 | case OPRINT: |
378cc40b |
1144 | lparen = ""; /* set to parens if necessary */ |
1145 | rparen = ""; |
8d063cd8 |
1146 | str = str_new(0); |
1147 | if (len == 3) { /* output redirection */ |
a687059c |
1148 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
1149 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1150 | if (!do_fancy_opens) { |
1151 | t = tmpstr->str_ptr; |
1152 | if (*t == '"' || *t == '\'') |
1153 | t = cpytill(tokenbuf,t+1,*t); |
1154 | else |
1155 | fatal("Internal error: OPRINT"); |
1156 | d = savestr(t); |
1157 | s = savestr(tokenbuf); |
1158 | for (t = tokenbuf; *t; t++) { |
1159 | *t &= 127; |
d48672a2 |
1160 | if (islower(*t)) |
1161 | *t = toupper(*t); |
8d063cd8 |
1162 | if (!isalpha(*t) && !isdigit(*t)) |
1163 | *t = '_'; |
1164 | } |
a0d0e21e |
1165 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1166 | strcpy(t,"_FH"); |
a687059c |
1167 | tmp3str = hfetch(symtab,tokenbuf); |
1168 | if (!tmp3str) { |
1169 | str_cat(opens,"open("); |
1170 | str_cat(opens,tokenbuf); |
1171 | str_cat(opens,", "); |
1172 | d[1] = '\0'; |
1173 | str_cat(opens,d); |
1174 | str_scat(opens,tmp2str); |
1175 | str_cat(opens,tmpstr->str_ptr+1); |
1176 | if (*tmp2str->str_ptr == '|') |
1177 | str_cat(opens,") || die 'Cannot pipe to \""); |
1178 | else |
1179 | str_cat(opens,") || die 'Cannot create file \""); |
1180 | if (*d == '"') |
1181 | str_cat(opens,"'.\""); |
1182 | str_cat(opens,s); |
1183 | if (*d == '"') |
1184 | str_cat(opens,"\".'"); |
1185 | str_cat(opens,"\".';\n"); |
1186 | hstore(symtab,tokenbuf,str_make("x")); |
1187 | } |
8d063cd8 |
1188 | str_free(tmpstr); |
1189 | str_free(tmp2str); |
1190 | safefree(s); |
1191 | safefree(d); |
1192 | } |
1193 | else { |
a687059c |
1194 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
8d063cd8 |
1195 | tmp2str->str_ptr, tmpstr->str_ptr); |
1196 | str_cat(str,tokenbuf); |
1197 | tab(str,level+1); |
a687059c |
1198 | strcpy(tokenbuf,"$fh"); |
8d063cd8 |
1199 | str_free(tmpstr); |
1200 | str_free(tmp2str); |
378cc40b |
1201 | lparen = "("; |
1202 | rparen = ")"; |
8d063cd8 |
1203 | } |
1204 | } |
1205 | else |
a687059c |
1206 | strcpy(tokenbuf,""); |
378cc40b |
1207 | str_cat(str,lparen); /* may be null */ |
8d063cd8 |
1208 | if (type == OPRINTF) |
1209 | str_cat(str,"printf"); |
1210 | else |
1211 | str_cat(str,"print"); |
d48672a2 |
1212 | saw_fh = 0; |
8d063cd8 |
1213 | if (len == 3 || do_fancy_opens) { |
d48672a2 |
1214 | if (*tokenbuf) { |
8d063cd8 |
1215 | str_cat(str," "); |
d48672a2 |
1216 | saw_fh = 1; |
1217 | } |
8d063cd8 |
1218 | str_cat(str,tokenbuf); |
1219 | } |
a687059c |
1220 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1221 | if (!*tmpstr->str_ptr && lval_field) { |
2b260de0 |
1222 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1223 | if (split_to_array) { |
1224 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1225 | str_cat(tmpstr,tokenbuf); |
1226 | } |
1227 | else { |
1228 | for (i = 1; i < maxfld; i++) { |
1229 | if (i <= arymax) |
1230 | sprintf(tokenbuf,"$%s, ",nameary[i]); |
1231 | else |
1232 | sprintf(tokenbuf,"$Fld%d, ",i); |
1233 | str_cat(tmpstr,tokenbuf); |
1234 | } |
1235 | if (maxfld <= arymax) |
1236 | sprintf(tokenbuf,"$%s",nameary[maxfld]); |
1237 | else |
1238 | sprintf(tokenbuf,"$Fld%d",maxfld); |
1239 | str_cat(tmpstr,tokenbuf); |
1240 | } |
1241 | } |
1242 | if (*tmpstr->str_ptr) { |
1243 | str_cat(str," "); |
d48672a2 |
1244 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
1245 | str_cat(str,"("); |
1246 | str_scat(str,tmpstr); |
1247 | str_cat(str,")"); |
1248 | } |
1249 | else |
1250 | str_scat(str,tmpstr); |
8d063cd8 |
1251 | } |
1252 | else { |
1253 | str_cat(str," $_"); |
1254 | } |
378cc40b |
1255 | str_cat(str,rparen); /* may be null */ |
8d063cd8 |
1256 | str_free(tmpstr); |
1257 | break; |
a687059c |
1258 | case ORAND: |
1259 | str = str_make("rand(1)"); |
1260 | break; |
1261 | case OSRAND: |
1262 | str = str_make("srand("); |
1263 | goto maybe0; |
1264 | case OATAN2: |
1265 | str = str_make("atan2("); |
1266 | goto maybe0; |
1267 | case OSIN: |
1268 | str = str_make("sin("); |
1269 | goto maybe0; |
1270 | case OCOS: |
1271 | str = str_make("cos("); |
1272 | goto maybe0; |
1273 | case OSYSTEM: |
1274 | str = str_make("system("); |
1275 | goto maybe0; |
8d063cd8 |
1276 | case OLENGTH: |
1277 | str = str_make("length("); |
1278 | goto maybe0; |
1279 | case OLOG: |
1280 | str = str_make("log("); |
1281 | goto maybe0; |
1282 | case OEXP: |
1283 | str = str_make("exp("); |
1284 | goto maybe0; |
1285 | case OSQRT: |
1286 | str = str_make("sqrt("); |
1287 | goto maybe0; |
1288 | case OINT: |
1289 | str = str_make("int("); |
1290 | maybe0: |
1291 | numeric = 1; |
1292 | if (len > 0) |
a687059c |
1293 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1294 | else |
db7c17d7 |
1295 | tmpstr = str_new(0); |
fe14fcc3 |
1296 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
8d063cd8 |
1297 | if (lval_field) { |
2b260de0 |
1298 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1299 | if (split_to_array) { |
1300 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1301 | str_cat(tmpstr,tokenbuf); |
1302 | } |
1303 | else { |
1304 | sprintf(tokenbuf,"join(%s, ",t); |
1305 | str_cat(tmpstr,tokenbuf); |
1306 | for (i = 1; i < maxfld; i++) { |
1307 | if (i <= arymax) |
1308 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1309 | else |
1310 | sprintf(tokenbuf,"$Fld%d,",i); |
1311 | str_cat(tmpstr,tokenbuf); |
1312 | } |
1313 | if (maxfld <= arymax) |
1314 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1315 | else |
1316 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1317 | str_cat(tmpstr,tokenbuf); |
1318 | } |
1319 | } |
1320 | else |
1321 | str_cat(tmpstr,"$_"); |
1322 | } |
1323 | if (strEQ(tmpstr->str_ptr,"$_")) { |
1324 | if (type == OLENGTH && !do_chop) { |
1325 | str = str_make("(length("); |
1326 | str_cat(tmpstr,") - 1"); |
1327 | } |
1328 | } |
1329 | str_scat(str,tmpstr); |
1330 | str_free(tmpstr); |
1331 | str_cat(str,")"); |
1332 | break; |
1333 | case OBREAK: |
1334 | str = str_new(0); |
1335 | str_set(str,"last"); |
1336 | break; |
1337 | case ONEXT: |
1338 | str = str_new(0); |
1339 | str_set(str,"next line"); |
1340 | break; |
1341 | case OEXIT: |
1342 | str = str_new(0); |
1343 | if (realexit) { |
a687059c |
1344 | prec = P_UNI; |
8d063cd8 |
1345 | str_set(str,"exit"); |
1346 | if (len == 1) { |
1347 | str_cat(str," "); |
1348 | exitval = TRUE; |
a687059c |
1349 | str_scat(str, |
1350 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
1351 | str_free(fstr); |
1352 | } |
1353 | } |
1354 | else { |
1355 | if (len == 1) { |
9f68db38 |
1356 | str_set(str,"$ExitValue = "); |
8d063cd8 |
1357 | exitval = TRUE; |
a687059c |
1358 | str_scat(str, |
1359 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); |
8d063cd8 |
1360 | str_free(fstr); |
1361 | str_cat(str,"; "); |
1362 | } |
1363 | str_cat(str,"last line"); |
1364 | } |
1365 | break; |
1366 | case OCONTINUE: |
1367 | str = str_new(0); |
1368 | str_set(str,"next"); |
1369 | break; |
1370 | case OREDIR: |
1371 | goto def; |
1372 | case OIF: |
1373 | str = str_new(0); |
1374 | str_set(str,"if ("); |
a687059c |
1375 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1376 | str_free(fstr); |
1377 | str_cat(str,") "); |
a687059c |
1378 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1379 | str_free(fstr); |
1380 | if (len == 3) { |
1381 | i = ops[node+3].ival; |
1382 | if (i) { |
1383 | if ((ops[i].ival & 255) == OBLOCK) { |
1384 | i = ops[i+1].ival; |
1385 | if (i) { |
1386 | if ((ops[i].ival & 255) != OIF) |
1387 | i = 0; |
1388 | } |
1389 | } |
1390 | else |
1391 | i = 0; |
1392 | } |
1393 | if (i) { |
1394 | str_cat(str,"els"); |
a687059c |
1395 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
8d063cd8 |
1396 | str_free(fstr); |
1397 | } |
1398 | else { |
1399 | str_cat(str,"else "); |
a687059c |
1400 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1401 | str_free(fstr); |
1402 | } |
1403 | } |
1404 | break; |
1405 | case OWHILE: |
1406 | str = str_new(0); |
1407 | str_set(str,"while ("); |
a687059c |
1408 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1409 | str_free(fstr); |
1410 | str_cat(str,") "); |
a687059c |
1411 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1412 | str_free(fstr); |
1413 | break; |
7c0587c8 |
1414 | case ODO: |
1415 | str = str_new(0); |
1416 | str_set(str,"do "); |
1417 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
1418 | str_free(fstr); |
1419 | if (str->str_ptr[str->str_cur - 1] == '\n') |
db7c17d7 |
1420 | --str->str_cur; |
7c0587c8 |
1421 | str_cat(str," while ("); |
1422 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1423 | str_free(fstr); |
1424 | str_cat(str,");"); |
1425 | break; |
8d063cd8 |
1426 | case OFOR: |
1427 | str = str_new(0); |
1428 | str_set(str,"for ("); |
a687059c |
1429 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1430 | i = numarg; |
1431 | if (i) { |
1432 | t = s = tmpstr->str_ptr; |
1433 | while (isalpha(*t) || isdigit(*t) || *t == '$' || *t == '_') |
1434 | t++; |
1435 | i = t - s; |
1436 | if (i < 2) |
1437 | i = 0; |
1438 | } |
1439 | str_cat(str,"; "); |
a687059c |
1440 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
a0d0e21e |
1441 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
8d063cd8 |
1442 | if (strnEQ(fstr->str_ptr,s,i)) |
1443 | *t = ' '; |
1444 | } |
1445 | str_scat(str,fstr); |
1446 | str_free(fstr); |
1447 | str_free(tmpstr); |
1448 | str_cat(str,"; "); |
a687059c |
1449 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1450 | str_free(fstr); |
1451 | str_cat(str,") "); |
a687059c |
1452 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
1453 | str_free(fstr); |
1454 | break; |
1455 | case OFORIN: |
a687059c |
1456 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
a0d0e21e |
1457 | d = strchr(tmpstr->str_ptr,'$'); |
a687059c |
1458 | if (!d) |
1459 | fatal("Illegal for loop: %s",tmpstr->str_ptr); |
a0d0e21e |
1460 | s = strchr(d,'{'); |
a687059c |
1461 | if (!s) |
a0d0e21e |
1462 | s = strchr(d,'['); |
a687059c |
1463 | if (!s) |
1464 | fatal("Illegal for loop: %s",d); |
1465 | *s++ = '\0'; |
b7953727 |
1466 | for (t = s; (i = *t); t++) { |
ffed7fef |
1467 | i &= 127; |
1468 | if (i == '}' || i == ']') |
1469 | break; |
1470 | } |
1471 | if (*t) |
a687059c |
1472 | *t = '\0'; |
8d063cd8 |
1473 | str = str_new(0); |
a687059c |
1474 | str_set(str,d+1); |
8d063cd8 |
1475 | str_cat(str,"[]"); |
1476 | tmp2str = hfetch(symtab,str->str_ptr); |
1477 | if (tmp2str && atoi(tmp2str->str_ptr)) { |
8d063cd8 |
1478 | sprintf(tokenbuf, |
62b28dd9 |
1479 | "foreach %s ($[ .. $#%s) ", |
a687059c |
1480 | s, |
1481 | d+1); |
8d063cd8 |
1482 | } |
1483 | else { |
a687059c |
1484 | sprintf(tokenbuf, |
1485 | "foreach %s (keys %%%s) ", |
1486 | s, |
1487 | d+1); |
8d063cd8 |
1488 | } |
a687059c |
1489 | str_set(str,tokenbuf); |
1490 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1491 | str_free(fstr); |
8d063cd8 |
1492 | str_free(tmpstr); |
1493 | break; |
1494 | case OBLOCK: |
1495 | str = str_new(0); |
1496 | str_set(str,"{"); |
378cc40b |
1497 | if (len >= 2 && ops[node+2].ival) { |
a687059c |
1498 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1499 | str_free(fstr); |
1500 | } |
1501 | fixtab(str,++level); |
a687059c |
1502 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1503 | str_free(fstr); |
1504 | addsemi(str); |
1505 | fixtab(str,--level); |
1506 | str_cat(str,"}\n"); |
1507 | tab(str,level); |
378cc40b |
1508 | if (len >= 3) { |
a687059c |
1509 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
378cc40b |
1510 | str_free(fstr); |
1511 | } |
8d063cd8 |
1512 | break; |
1513 | default: |
1514 | def: |
1515 | if (len) { |
1516 | if (len > 5) |
1517 | fatal("Garbage length in walk"); |
a687059c |
1518 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1519 | for (i = 2; i<= len; i++) { |
a687059c |
1520 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
8d063cd8 |
1521 | str_free(fstr); |
1522 | } |
1523 | } |
1524 | else { |
1525 | str = Nullstr; |
1526 | } |
1527 | break; |
1528 | } |
1529 | if (!str) |
1530 | str = str_new(0); |
a687059c |
1531 | |
1532 | if (useval && prec < minprec) { /* need parens? */ |
1533 | fstr = str_new(str->str_cur+2); |
1534 | str_nset(fstr,"(",1); |
1535 | str_scat(fstr,str); |
1536 | str_ncat(fstr,")",1); |
1537 | str_free(str); |
1538 | str = fstr; |
1539 | } |
1540 | |
8d063cd8 |
1541 | *numericptr = numeric; |
1542 | #ifdef DEBUGGING |
1543 | if (debug & 4) { |
1544 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); |
1545 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) |
1546 | if (*t == '\n') |
1547 | printf("\\n"); |
1548 | else if (*t == '\t') |
1549 | printf("\\t"); |
1550 | else |
1551 | putchar(*t); |
1552 | putchar('\n'); |
1553 | } |
1554 | #endif |
1555 | return str; |
1556 | } |
1557 | |
748a9306 |
1558 | static void |
f0f333f4 |
1559 | tab(register STR *str, register int lvl) |
8d063cd8 |
1560 | { |
1561 | while (lvl > 1) { |
1562 | str_cat(str,"\t"); |
1563 | lvl -= 2; |
1564 | } |
1565 | if (lvl) |
1566 | str_cat(str," "); |
1567 | } |
1568 | |
748a9306 |
1569 | static void |
f0f333f4 |
1570 | fixtab(register STR *str, register int lvl) |
8d063cd8 |
1571 | { |
1572 | register char *s; |
1573 | |
1574 | /* strip trailing white space */ |
1575 | |
1576 | s = str->str_ptr+str->str_cur - 1; |
a687059c |
1577 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
8d063cd8 |
1578 | s--; |
1579 | s[1] = '\0'; |
1580 | str->str_cur = s + 1 - str->str_ptr; |
1581 | if (s >= str->str_ptr && *s != '\n') |
1582 | str_cat(str,"\n"); |
1583 | |
1584 | tab(str,lvl); |
1585 | } |
1586 | |
748a9306 |
1587 | static void |
f0f333f4 |
1588 | addsemi(register STR *str) |
8d063cd8 |
1589 | { |
1590 | register char *s; |
1591 | |
1592 | s = str->str_ptr+str->str_cur - 1; |
1593 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
1594 | s--; |
1595 | if (s >= str->str_ptr && *s != ';' && *s != '}') |
1596 | str_cat(str,";"); |
1597 | } |
1598 | |
56febc5e |
1599 | static void |
f0f333f4 |
1600 | emit_split(register STR *str, int level) |
8d063cd8 |
1601 | { |
1602 | register int i; |
1603 | |
1604 | if (split_to_array) |
1605 | str_cat(str,"@Fld"); |
1606 | else { |
1607 | str_cat(str,"("); |
1608 | for (i = 1; i < maxfld; i++) { |
1609 | if (i <= arymax) |
1610 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1611 | else |
1612 | sprintf(tokenbuf,"$Fld%d,",i); |
1613 | str_cat(str,tokenbuf); |
1614 | } |
1615 | if (maxfld <= arymax) |
1616 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1617 | else |
1618 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1619 | str_cat(str,tokenbuf); |
1620 | } |
1621 | if (const_FS) { |
62b28dd9 |
1622 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
8d063cd8 |
1623 | str_cat(str,tokenbuf); |
1624 | } |
1625 | else if (saw_FS) |
62b28dd9 |
1626 | str_cat(str," = split($FS, $_, 9999);\n"); |
8d063cd8 |
1627 | else |
62b28dd9 |
1628 | str_cat(str," = split(' ', $_, 9999);\n"); |
8d063cd8 |
1629 | tab(str,level); |
1630 | } |
1631 | |
9c8d0b29 |
1632 | int |
f0f333f4 |
1633 | prewalk(int numit, int level, register int node, int *numericptr) |
8d063cd8 |
1634 | { |
1635 | register int len; |
1636 | register int type; |
1637 | register int i; |
8d063cd8 |
1638 | int numarg; |
1639 | int numeric = FALSE; |
a687059c |
1640 | STR *tmpstr; |
1641 | STR *tmp2str; |
8d063cd8 |
1642 | |
1643 | if (!node) { |
1644 | *numericptr = 0; |
1645 | return 0; |
1646 | } |
1647 | type = ops[node].ival; |
1648 | len = type >> 8; |
1649 | type &= 255; |
1650 | switch (type) { |
1651 | case OPROG: |
1652 | prewalk(0,level,ops[node+1].ival,&numarg); |
1653 | if (ops[node+2].ival) { |
1654 | prewalk(0,level,ops[node+2].ival,&numarg); |
1655 | } |
1656 | ++level; |
1657 | prewalk(0,level,ops[node+3].ival,&numarg); |
1658 | --level; |
1659 | if (ops[node+3].ival) { |
1660 | prewalk(0,level,ops[node+4].ival,&numarg); |
1661 | } |
1662 | break; |
1663 | case OHUNKS: |
1664 | prewalk(0,level,ops[node+1].ival,&numarg); |
1665 | prewalk(0,level,ops[node+2].ival,&numarg); |
1666 | if (len == 3) { |
1667 | prewalk(0,level,ops[node+3].ival,&numarg); |
1668 | } |
1669 | break; |
1670 | case ORANGE: |
1671 | prewalk(1,level,ops[node+1].ival,&numarg); |
1672 | prewalk(1,level,ops[node+2].ival,&numarg); |
1673 | break; |
1674 | case OPAT: |
1675 | goto def; |
1676 | case OREGEX: |
1677 | prewalk(0,level,ops[node+1].ival,&numarg); |
1678 | break; |
1679 | case OHUNK: |
1680 | if (len == 1) { |
1681 | prewalk(0,level,ops[node+1].ival,&numarg); |
1682 | } |
1683 | else { |
1684 | i = prewalk(0,level,ops[node+1].ival,&numarg); |
1685 | if (i) { |
1686 | ++level; |
1687 | prewalk(0,level,ops[node+2].ival,&numarg); |
1688 | --level; |
1689 | } |
1690 | else { |
1691 | prewalk(0,level,ops[node+2].ival,&numarg); |
1692 | } |
1693 | } |
1694 | break; |
1695 | case OPPAREN: |
1696 | prewalk(0,level,ops[node+1].ival,&numarg); |
1697 | break; |
1698 | case OPANDAND: |
1699 | prewalk(0,level,ops[node+1].ival,&numarg); |
1700 | prewalk(0,level,ops[node+2].ival,&numarg); |
1701 | break; |
1702 | case OPOROR: |
1703 | prewalk(0,level,ops[node+1].ival,&numarg); |
1704 | prewalk(0,level,ops[node+2].ival,&numarg); |
1705 | break; |
1706 | case OPNOT: |
1707 | prewalk(0,level,ops[node+1].ival,&numarg); |
1708 | break; |
1709 | case OCPAREN: |
1710 | prewalk(0,level,ops[node+1].ival,&numarg); |
1711 | numeric |= numarg; |
1712 | break; |
1713 | case OCANDAND: |
1714 | prewalk(0,level,ops[node+1].ival,&numarg); |
1715 | numeric = 1; |
1716 | prewalk(0,level,ops[node+2].ival,&numarg); |
1717 | break; |
1718 | case OCOROR: |
1719 | prewalk(0,level,ops[node+1].ival,&numarg); |
1720 | numeric = 1; |
1721 | prewalk(0,level,ops[node+2].ival,&numarg); |
1722 | break; |
1723 | case OCNOT: |
1724 | prewalk(0,level,ops[node+1].ival,&numarg); |
1725 | numeric = 1; |
1726 | break; |
1727 | case ORELOP: |
1728 | prewalk(0,level,ops[node+2].ival,&numarg); |
1729 | numeric |= numarg; |
1730 | prewalk(0,level,ops[node+1].ival,&numarg); |
1731 | prewalk(0,level,ops[node+3].ival,&numarg); |
1732 | numeric |= numarg; |
1733 | numeric = 1; |
1734 | break; |
1735 | case ORPAREN: |
1736 | prewalk(0,level,ops[node+1].ival,&numarg); |
1737 | numeric |= numarg; |
1738 | break; |
1739 | case OMATCHOP: |
1740 | prewalk(0,level,ops[node+2].ival,&numarg); |
1741 | prewalk(0,level,ops[node+1].ival,&numarg); |
1742 | prewalk(0,level,ops[node+3].ival,&numarg); |
1743 | numeric = 1; |
1744 | break; |
1745 | case OMPAREN: |
1746 | prewalk(0,level,ops[node+1].ival,&numarg); |
1747 | numeric |= numarg; |
1748 | break; |
1749 | case OCONCAT: |
1750 | prewalk(0,level,ops[node+1].ival,&numarg); |
1751 | prewalk(0,level,ops[node+2].ival,&numarg); |
1752 | break; |
1753 | case OASSIGN: |
1754 | prewalk(0,level,ops[node+2].ival,&numarg); |
1755 | prewalk(0,level,ops[node+1].ival,&numarg); |
1756 | prewalk(0,level,ops[node+3].ival,&numarg); |
75f92628 |
1757 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
8d063cd8 |
1758 | numericize(ops[node+2].ival); |
1759 | if (!numarg) |
1760 | numericize(ops[node+3].ival); |
1761 | } |
1762 | numeric |= numarg; |
1763 | break; |
1764 | case OADD: |
1765 | prewalk(1,level,ops[node+1].ival,&numarg); |
1766 | prewalk(1,level,ops[node+2].ival,&numarg); |
1767 | numeric = 1; |
1768 | break; |
a687059c |
1769 | case OSUBTRACT: |
8d063cd8 |
1770 | prewalk(1,level,ops[node+1].ival,&numarg); |
1771 | prewalk(1,level,ops[node+2].ival,&numarg); |
1772 | numeric = 1; |
1773 | break; |
1774 | case OMULT: |
1775 | prewalk(1,level,ops[node+1].ival,&numarg); |
1776 | prewalk(1,level,ops[node+2].ival,&numarg); |
1777 | numeric = 1; |
1778 | break; |
1779 | case ODIV: |
1780 | prewalk(1,level,ops[node+1].ival,&numarg); |
1781 | prewalk(1,level,ops[node+2].ival,&numarg); |
1782 | numeric = 1; |
1783 | break; |
a687059c |
1784 | case OPOW: |
1785 | prewalk(1,level,ops[node+1].ival,&numarg); |
1786 | prewalk(1,level,ops[node+2].ival,&numarg); |
1787 | numeric = 1; |
1788 | break; |
8d063cd8 |
1789 | case OMOD: |
1790 | prewalk(1,level,ops[node+1].ival,&numarg); |
1791 | prewalk(1,level,ops[node+2].ival,&numarg); |
1792 | numeric = 1; |
1793 | break; |
1794 | case OPOSTINCR: |
1795 | prewalk(1,level,ops[node+1].ival,&numarg); |
1796 | numeric = 1; |
1797 | break; |
1798 | case OPOSTDECR: |
1799 | prewalk(1,level,ops[node+1].ival,&numarg); |
1800 | numeric = 1; |
1801 | break; |
1802 | case OPREINCR: |
1803 | prewalk(1,level,ops[node+1].ival,&numarg); |
1804 | numeric = 1; |
1805 | break; |
1806 | case OPREDECR: |
1807 | prewalk(1,level,ops[node+1].ival,&numarg); |
1808 | numeric = 1; |
1809 | break; |
1810 | case OUMINUS: |
1811 | prewalk(1,level,ops[node+1].ival,&numarg); |
1812 | numeric = 1; |
1813 | break; |
1814 | case OUPLUS: |
1815 | prewalk(1,level,ops[node+1].ival,&numarg); |
1816 | numeric = 1; |
1817 | break; |
1818 | case OPAREN: |
1819 | prewalk(0,level,ops[node+1].ival,&numarg); |
1820 | numeric |= numarg; |
1821 | break; |
1822 | case OGETLINE: |
1823 | break; |
1824 | case OSPRINTF: |
1825 | prewalk(0,level,ops[node+1].ival,&numarg); |
1826 | break; |
1827 | case OSUBSTR: |
1828 | prewalk(0,level,ops[node+1].ival,&numarg); |
1829 | prewalk(1,level,ops[node+2].ival,&numarg); |
1830 | if (len == 3) { |
1831 | prewalk(1,level,ops[node+3].ival,&numarg); |
1832 | } |
1833 | break; |
1834 | case OSTRING: |
1835 | break; |
1836 | case OSPLIT: |
1837 | numeric = 1; |
1838 | prewalk(0,level,ops[node+2].ival,&numarg); |
1839 | if (len == 3) |
1840 | prewalk(0,level,ops[node+3].ival,&numarg); |
1841 | prewalk(0,level,ops[node+1].ival,&numarg); |
1842 | break; |
1843 | case OINDEX: |
1844 | prewalk(0,level,ops[node+1].ival,&numarg); |
1845 | prewalk(0,level,ops[node+2].ival,&numarg); |
1846 | numeric = 1; |
1847 | break; |
a687059c |
1848 | case OMATCH: |
1849 | prewalk(0,level,ops[node+1].ival,&numarg); |
1850 | prewalk(0,level,ops[node+2].ival,&numarg); |
1851 | numeric = 1; |
1852 | break; |
1853 | case OUSERDEF: |
1854 | subretnum = FALSE; |
1855 | --level; |
1856 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1857 | ++level; |
1858 | prewalk(0,level,ops[node+2].ival,&numarg); |
1859 | prewalk(0,level,ops[node+4].ival,&numarg); |
1860 | prewalk(0,level,ops[node+5].ival,&numarg); |
1861 | --level; |
1862 | str_cat(tmpstr,"("); |
1863 | tmp2str = str_new(0); |
1864 | if (subretnum || numarg) |
1865 | str_set(tmp2str,"1"); |
1866 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
1867 | str_free(tmpstr); |
1868 | level++; |
1869 | break; |
1870 | case ORETURN: |
1871 | if (len > 0) { |
1872 | prewalk(0,level,ops[node+1].ival,&numarg); |
1873 | if (numarg) |
1874 | subretnum = TRUE; |
1875 | } |
1876 | break; |
1877 | case OUSERFUN: |
1878 | tmp2str = str_new(0); |
1879 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
663a0e37 |
1880 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
a687059c |
1881 | str_free(tmpstr); |
1882 | str_cat(tmp2str,"("); |
1883 | tmpstr = hfetch(symtab,tmp2str->str_ptr); |
1884 | if (tmpstr && tmpstr->str_ptr) |
1885 | numeric |= atoi(tmpstr->str_ptr); |
1886 | prewalk(0,level,ops[node+2].ival,&numarg); |
1887 | str_free(tmp2str); |
1888 | break; |
1889 | case OGSUB: |
1890 | case OSUB: |
1891 | if (len >= 3) |
1892 | prewalk(0,level,ops[node+3].ival,&numarg); |
1893 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); |
1894 | prewalk(0,level,ops[node+1].ival,&numarg); |
1895 | numeric = 1; |
1896 | break; |
8d063cd8 |
1897 | case ONUM: |
1898 | prewalk(0,level,ops[node+1].ival,&numarg); |
1899 | numeric = 1; |
1900 | break; |
1901 | case OSTR: |
1902 | prewalk(0,level,ops[node+1].ival,&numarg); |
1903 | break; |
a687059c |
1904 | case ODEFINED: |
1905 | case ODELETE: |
1906 | case OSTAR: |
8d063cd8 |
1907 | case OVAR: |
1908 | prewalk(0,level,ops[node+1].ival,&numarg); |
1909 | if (len == 1) { |
1910 | if (numit) |
1911 | numericize(node); |
1912 | } |
1913 | else { |
1914 | prewalk(0,level,ops[node+2].ival,&numarg); |
1915 | } |
1916 | break; |
1917 | case OFLD: |
1918 | prewalk(0,level,ops[node+1].ival,&numarg); |
1919 | break; |
1920 | case OVFLD: |
1921 | i = ops[node+1].ival; |
1922 | prewalk(0,level,i,&numarg); |
1923 | break; |
1924 | case OJUNK: |
1925 | goto def; |
1926 | case OSNEWLINE: |
1927 | break; |
1928 | case ONEWLINE: |
1929 | break; |
1930 | case OSCOMMENT: |
1931 | break; |
1932 | case OCOMMENT: |
1933 | break; |
1934 | case OCOMMA: |
1935 | prewalk(0,level,ops[node+1].ival,&numarg); |
1936 | prewalk(0,level,ops[node+2].ival,&numarg); |
a687059c |
1937 | prewalk(0,level,ops[node+3].ival,&numarg); |
8d063cd8 |
1938 | break; |
1939 | case OSEMICOLON: |
1940 | break; |
1941 | case OSTATES: |
1942 | prewalk(0,level,ops[node+1].ival,&numarg); |
1943 | prewalk(0,level,ops[node+2].ival,&numarg); |
1944 | break; |
1945 | case OSTATE: |
1946 | if (len >= 1) { |
1947 | prewalk(0,level,ops[node+1].ival,&numarg); |
1948 | if (len >= 2) { |
1949 | prewalk(0,level,ops[node+2].ival,&numarg); |
1950 | } |
1951 | } |
1952 | break; |
a687059c |
1953 | case OCLOSE: |
1954 | prewalk(0,level,ops[node+1].ival,&numarg); |
1955 | break; |
8d063cd8 |
1956 | case OPRINTF: |
1957 | case OPRINT: |
1958 | if (len == 3) { /* output redirection */ |
1959 | prewalk(0,level,ops[node+3].ival,&numarg); |
1960 | prewalk(0,level,ops[node+2].ival,&numarg); |
1961 | } |
1962 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); |
1963 | break; |
a687059c |
1964 | case ORAND: |
1965 | break; |
1966 | case OSRAND: |
1967 | goto maybe0; |
1968 | case OATAN2: |
1969 | goto maybe0; |
1970 | case OSIN: |
1971 | goto maybe0; |
1972 | case OCOS: |
1973 | goto maybe0; |
1974 | case OSYSTEM: |
1975 | goto maybe0; |
8d063cd8 |
1976 | case OLENGTH: |
1977 | goto maybe0; |
1978 | case OLOG: |
1979 | goto maybe0; |
1980 | case OEXP: |
1981 | goto maybe0; |
1982 | case OSQRT: |
1983 | goto maybe0; |
1984 | case OINT: |
1985 | maybe0: |
1986 | numeric = 1; |
1987 | if (len > 0) |
a687059c |
1988 | prewalk(type != OLENGTH && type != OSYSTEM, |
1989 | level,ops[node+1].ival,&numarg); |
8d063cd8 |
1990 | break; |
1991 | case OBREAK: |
1992 | break; |
1993 | case ONEXT: |
1994 | break; |
1995 | case OEXIT: |
1996 | if (len == 1) { |
1997 | prewalk(1,level,ops[node+1].ival,&numarg); |
1998 | } |
1999 | break; |
2000 | case OCONTINUE: |
2001 | break; |
2002 | case OREDIR: |
2003 | goto def; |
2004 | case OIF: |
2005 | prewalk(0,level,ops[node+1].ival,&numarg); |
2006 | prewalk(0,level,ops[node+2].ival,&numarg); |
2007 | if (len == 3) { |
2008 | prewalk(0,level,ops[node+3].ival,&numarg); |
2009 | } |
2010 | break; |
2011 | case OWHILE: |
2012 | prewalk(0,level,ops[node+1].ival,&numarg); |
2013 | prewalk(0,level,ops[node+2].ival,&numarg); |
2014 | break; |
2015 | case OFOR: |
2016 | prewalk(0,level,ops[node+1].ival,&numarg); |
2017 | prewalk(0,level,ops[node+2].ival,&numarg); |
2018 | prewalk(0,level,ops[node+3].ival,&numarg); |
2019 | prewalk(0,level,ops[node+4].ival,&numarg); |
2020 | break; |
2021 | case OFORIN: |
2022 | prewalk(0,level,ops[node+2].ival,&numarg); |
2023 | prewalk(0,level,ops[node+1].ival,&numarg); |
8d063cd8 |
2024 | break; |
2025 | case OBLOCK: |
2026 | if (len == 2) { |
2027 | prewalk(0,level,ops[node+2].ival,&numarg); |
2028 | } |
2029 | ++level; |
2030 | prewalk(0,level,ops[node+1].ival,&numarg); |
2031 | --level; |
2032 | break; |
2033 | default: |
2034 | def: |
2035 | if (len) { |
2036 | if (len > 5) |
2037 | fatal("Garbage length in prewalk"); |
2038 | prewalk(0,level,ops[node+1].ival,&numarg); |
2039 | for (i = 2; i<= len; i++) { |
2040 | prewalk(0,level,ops[node+i].ival,&numarg); |
2041 | } |
2042 | } |
2043 | break; |
2044 | } |
2045 | *numericptr = numeric; |
2046 | return 1; |
2047 | } |
2048 | |
748a9306 |
2049 | static void |
f0f333f4 |
2050 | numericize(register int node) |
8d063cd8 |
2051 | { |
2052 | register int len; |
2053 | register int type; |
8d063cd8 |
2054 | STR *tmpstr; |
2055 | STR *tmp2str; |
2056 | int numarg; |
2057 | |
2058 | type = ops[node].ival; |
2059 | len = type >> 8; |
2060 | type &= 255; |
2061 | if (type == OVAR && len == 1) { |
a687059c |
2062 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
2063 | tmp2str = str_make("1"); |
2064 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
2065 | } |
2066 | } |