Commit | Line | Data |
79072805 |
1 | /* $RCSfile: walk.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:31 $ |
a687059c |
2 | * |
be3c0a43 |
3 | * Copyright (c) 1991-2002, Larry Wall |
a687059c |
4 | * |
d48672a2 |
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 ); |
011f1a1a |
37 | #ifdef NETWARE |
38 | char *savestr(char *str); |
39 | char *cpytill(register char *to, register char *from, register int delim); |
40 | char *instr(char *big, char *little); |
41 | #endif |
9c8d0b29 |
42 | |
8d063cd8 |
43 | STR * |
f0f333f4 |
44 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
45 | |
46 | |
47 | |
48 | |
49 | /* minimum precedence without parens */ |
8d063cd8 |
50 | { |
51 | register int len; |
52 | register STR *str; |
53 | register int type; |
54 | register int i; |
55 | register STR *tmpstr; |
56 | STR *tmp2str; |
a687059c |
57 | STR *tmp3str; |
8d063cd8 |
58 | char *t; |
0335b3e4 |
59 | char *d, *s; |
8d063cd8 |
60 | int numarg; |
61 | int numeric = FALSE; |
62 | STR *fstr; |
a687059c |
63 | int prec = P_MAX; /* assume no parens needed */ |
8d063cd8 |
64 | |
65 | if (!node) { |
66 | *numericptr = 0; |
67 | return str_make(""); |
68 | } |
69 | type = ops[node].ival; |
70 | len = type >> 8; |
71 | type &= 255; |
72 | switch (type) { |
73 | case OPROG: |
d48672a2 |
74 | arymax = 0; |
75 | if (namelist) { |
3f939f22 |
76 | while (isALPHA(*namelist)) { |
d48672a2 |
77 | for (d = tokenbuf,s=namelist; |
3f939f22 |
78 | isALPHA(*s) || isDIGIT(*s) || *s == '_'; |
d48672a2 |
79 | *d++ = *s++) ; |
80 | *d = '\0'; |
3f939f22 |
81 | while (*s && !isALPHA(*s)) s++; |
d48672a2 |
82 | namelist = s; |
83 | nameary[++arymax] = savestr(tokenbuf); |
84 | } |
85 | } |
86 | if (maxfld < arymax) |
87 | maxfld = arymax; |
8d063cd8 |
88 | opens = str_new(0); |
a687059c |
89 | subs = str_new(0); |
90 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
91 | if (do_split && need_entire && !absmaxfld) |
92 | split_to_array = TRUE; |
93 | if (do_split && split_to_array) |
94 | set_array_base = TRUE; |
95 | if (set_array_base) { |
96 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); |
97 | } |
98 | if (fswitch && !const_FS) |
99 | const_FS = fswitch; |
100 | if (saw_FS > 1 || saw_RS) |
101 | const_FS = 0; |
102 | if (saw_ORS && need_entire) |
103 | do_chop = TRUE; |
104 | if (fswitch) { |
105 | str_cat(str,"$FS = '"); |
a0d0e21e |
106 | if (strchr("*+?.[]()|^$\\",fswitch)) |
8d063cd8 |
107 | str_cat(str,"\\"); |
108 | sprintf(tokenbuf,"%c",fswitch); |
109 | str_cat(str,tokenbuf); |
110 | str_cat(str,"';\t\t# field separator from -F switch\n"); |
111 | } |
112 | else if (saw_FS && !const_FS) { |
9bb9d9f7 |
113 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
8d063cd8 |
114 | } |
115 | if (saw_OFS) { |
a559c259 |
116 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
8d063cd8 |
117 | } |
118 | if (saw_ORS) { |
a559c259 |
119 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
8d063cd8 |
120 | } |
a687059c |
121 | if (saw_argv0) { |
122 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); |
123 | } |
8d063cd8 |
124 | if (str->str_cur > 20) |
125 | str_cat(str,"\n"); |
126 | if (ops[node+2].ival) { |
a687059c |
127 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
128 | str_free(fstr); |
129 | str_cat(str,"\n\n"); |
130 | } |
a687059c |
131 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
132 | if (*fstr->str_ptr) { |
133 | if (saw_line_op) |
134 | str_cat(str,"line: "); |
135 | str_cat(str,"while (<>) {\n"); |
136 | tab(str,++level); |
137 | if (saw_FS && !const_FS) |
138 | do_chop = TRUE; |
139 | if (do_chop) { |
7bdaec8a |
140 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
141 | tab(str,level); |
8d063cd8 |
142 | } |
a687059c |
143 | if (do_split) |
144 | emit_split(str,level); |
145 | str_scat(str,fstr); |
146 | str_free(fstr); |
147 | fixtab(str,--level); |
148 | str_cat(str,"}\n"); |
149 | if (saw_FNR) |
150 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); |
8d063cd8 |
151 | } |
a5571d59 |
152 | else if (old_awk) |
ae986130 |
153 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
8d063cd8 |
154 | if (ops[node+4].ival) { |
155 | realexit = TRUE; |
156 | str_cat(str,"\n"); |
157 | tab(str,level); |
a687059c |
158 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
159 | str_free(fstr); |
160 | str_cat(str,"\n"); |
161 | } |
162 | if (exitval) |
9f68db38 |
163 | str_cat(str,"exit $ExitValue;\n"); |
a687059c |
164 | if (subs->str_ptr) { |
165 | str_cat(str,"\n"); |
166 | str_scat(str,subs); |
167 | } |
378cc40b |
168 | if (saw_getline) { |
a687059c |
169 | for (len = 0; len < 4; len++) { |
170 | if (saw_getline & (1 << len)) { |
171 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); |
172 | str_cat(str, tokenbuf); |
173 | if (len & 2) { |
174 | if (do_fancy_opens) |
175 | str_cat(str," &Pick('',@_);\n"); |
176 | else |
177 | str_cat(str," ($fh) = @_;\n"); |
178 | } |
179 | else { |
180 | if (saw_FNR) |
181 | str_cat(str," $FNRbase = $. if eof;\n"); |
182 | } |
183 | if (len & 1) |
62b28dd9 |
184 | str_cat(str," local($_);\n"); |
a687059c |
185 | if (len & 2) |
186 | str_cat(str, |
187 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); |
188 | else |
189 | str_cat(str, |
190 | " if ($getline_ok = (($_ = <>) ne ''))"); |
191 | str_cat(str, " {\n"); |
192 | level += 2; |
193 | tab(str,level); |
194 | i = 0; |
195 | if (do_chop) { |
196 | i++; |
7bdaec8a |
197 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
198 | tab(str,level); |
199 | } |
200 | if (do_split && !(len & 1)) { |
201 | i++; |
202 | emit_split(str,level); |
203 | } |
204 | if (!i) |
205 | str_cat(str,";\n"); |
206 | fixtab(str,--level); |
207 | str_cat(str,"}\n $_;\n}\n"); |
208 | --level; |
209 | } |
378cc40b |
210 | } |
378cc40b |
211 | } |
8d063cd8 |
212 | if (do_fancy_opens) { |
213 | str_cat(str,"\n\ |
214 | sub Pick {\n\ |
a687059c |
215 | local($mode,$name,$pipe) = @_;\n\ |
7c0587c8 |
216 | $fh = $name;\n\ |
217 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ |
8d063cd8 |
218 | }\n\ |
219 | "); |
220 | } |
221 | break; |
222 | case OHUNKS: |
a687059c |
223 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
224 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
225 | str_free(fstr); |
226 | if (len == 3) { |
a687059c |
227 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
228 | str_free(fstr); |
229 | } |
230 | else { |
231 | } |
232 | break; |
233 | case ORANGE: |
a687059c |
234 | prec = P_DOTDOT; |
235 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
236 | str_cat(str," .. "); |
a687059c |
237 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
238 | str_free(fstr); |
239 | break; |
240 | case OPAT: |
241 | goto def; |
242 | case OREGEX: |
243 | str = str_new(0); |
244 | str_set(str,"/"); |
a687059c |
245 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
246 | /* translate \nnn to [\nnn] */ |
247 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { |
3f939f22 |
248 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){ |
8d063cd8 |
249 | *d++ = '['; |
250 | *d++ = *s++; |
251 | *d++ = *s++; |
252 | *d++ = *s++; |
253 | *d++ = *s; |
254 | *d = ']'; |
255 | } |
256 | else |
257 | *d = *s; |
258 | } |
259 | *d = '\0'; |
378cc40b |
260 | for (d=tokenbuf; *d; d++) |
c5cf9ec2 |
261 | *d += (char)128; |
8d063cd8 |
262 | str_cat(str,tokenbuf); |
263 | str_free(tmpstr); |
264 | str_cat(str,"/"); |
265 | break; |
266 | case OHUNK: |
267 | if (len == 1) { |
268 | str = str_new(0); |
a687059c |
269 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
8d063cd8 |
270 | str_cat(str," if "); |
a687059c |
271 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
272 | str_free(fstr); |
273 | str_cat(str,";"); |
274 | } |
275 | else { |
a687059c |
276 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
277 | if (*tmpstr->str_ptr) { |
278 | str = str_new(0); |
279 | str_set(str,"if ("); |
280 | str_scat(str,tmpstr); |
281 | str_cat(str,") {\n"); |
282 | tab(str,++level); |
a687059c |
283 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
284 | str_free(fstr); |
285 | fixtab(str,--level); |
286 | str_cat(str,"}\n"); |
287 | tab(str,level); |
288 | } |
289 | else { |
a687059c |
290 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
291 | } |
292 | } |
293 | break; |
294 | case OPPAREN: |
295 | str = str_new(0); |
296 | str_set(str,"("); |
a687059c |
297 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
298 | str_free(fstr); |
299 | str_cat(str,")"); |
300 | break; |
301 | case OPANDAND: |
a687059c |
302 | prec = P_ANDAND; |
303 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
304 | str_cat(str," && "); |
a687059c |
305 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
306 | str_free(fstr); |
307 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
308 | str_free(fstr); |
309 | break; |
310 | case OPOROR: |
a687059c |
311 | prec = P_OROR; |
312 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
313 | str_cat(str," || "); |
a687059c |
314 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
315 | str_free(fstr); |
316 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
317 | str_free(fstr); |
318 | break; |
319 | case OPNOT: |
a687059c |
320 | prec = P_UNARY; |
8d063cd8 |
321 | str = str_new(0); |
322 | str_set(str,"!"); |
a687059c |
323 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
324 | str_free(fstr); |
325 | break; |
62b28dd9 |
326 | case OCOND: |
327 | prec = P_COND; |
328 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
329 | str_cat(str," ? "); |
330 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
331 | str_free(fstr); |
332 | str_cat(str," : "); |
333 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
334 | str_free(fstr); |
335 | break; |
8d063cd8 |
336 | case OCPAREN: |
337 | str = str_new(0); |
338 | str_set(str,"("); |
a687059c |
339 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
340 | str_free(fstr); |
341 | numeric |= numarg; |
342 | str_cat(str,")"); |
343 | break; |
344 | case OCANDAND: |
a687059c |
345 | prec = P_ANDAND; |
346 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
347 | numeric = 1; |
348 | str_cat(str," && "); |
a687059c |
349 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
350 | str_free(fstr); |
351 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
352 | str_free(fstr); |
353 | break; |
354 | case OCOROR: |
a687059c |
355 | prec = P_OROR; |
356 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
357 | numeric = 1; |
358 | str_cat(str," || "); |
a687059c |
359 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
360 | str_free(fstr); |
361 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
362 | str_free(fstr); |
363 | break; |
364 | case OCNOT: |
a687059c |
365 | prec = P_UNARY; |
8d063cd8 |
366 | str = str_new(0); |
367 | str_set(str,"!"); |
a687059c |
368 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
369 | str_free(fstr); |
370 | numeric = 1; |
371 | break; |
372 | case ORELOP: |
a687059c |
373 | prec = P_REL; |
374 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
375 | numeric |= numarg; |
a687059c |
376 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
377 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); |
8d063cd8 |
378 | numeric |= numarg; |
a687059c |
379 | if (!numeric || |
380 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { |
8d063cd8 |
381 | t = tmpstr->str_ptr; |
382 | if (strEQ(t,"==")) |
383 | str_set(tmpstr,"eq"); |
384 | else if (strEQ(t,"!=")) |
385 | str_set(tmpstr,"ne"); |
386 | else if (strEQ(t,"<")) |
387 | str_set(tmpstr,"lt"); |
388 | else if (strEQ(t,"<=")) |
389 | str_set(tmpstr,"le"); |
390 | else if (strEQ(t,">")) |
391 | str_set(tmpstr,"gt"); |
392 | else if (strEQ(t,">=")) |
393 | str_set(tmpstr,"ge"); |
a0d0e21e |
394 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
395 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) |
8d063cd8 |
396 | numeric |= 2; |
397 | } |
398 | if (numeric & 2) { |
399 | if (numeric & 1) /* numeric is very good guess */ |
400 | str_cat(str," "); |
401 | else |
402 | str_cat(str,"\377"); |
403 | numeric = 1; |
404 | } |
405 | else |
406 | str_cat(str," "); |
407 | str_scat(str,tmpstr); |
408 | str_free(tmpstr); |
409 | str_cat(str," "); |
410 | str_scat(str,tmp2str); |
411 | str_free(tmp2str); |
412 | numeric = 1; |
413 | break; |
414 | case ORPAREN: |
415 | str = str_new(0); |
416 | str_set(str,"("); |
a687059c |
417 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
418 | str_free(fstr); |
419 | numeric |= numarg; |
420 | str_cat(str,")"); |
421 | break; |
422 | case OMATCHOP: |
a687059c |
423 | prec = P_MATCH; |
424 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
425 | str_cat(str," "); |
a687059c |
426 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
427 | if (strEQ(tmpstr->str_ptr,"~")) |
428 | str_cat(str,"=~"); |
429 | else { |
430 | str_scat(str,tmpstr); |
431 | str_free(tmpstr); |
432 | } |
433 | str_cat(str," "); |
a687059c |
434 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
435 | str_free(fstr); |
436 | numeric = 1; |
437 | break; |
438 | case OMPAREN: |
439 | str = str_new(0); |
440 | str_set(str,"("); |
a687059c |
441 | str_scat(str, |
442 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
443 | str_free(fstr); |
444 | numeric |= numarg; |
445 | str_cat(str,")"); |
446 | break; |
447 | case OCONCAT: |
a687059c |
448 | prec = P_ADD; |
449 | type = ops[ops[node+1].ival].ival & 255; |
450 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); |
8d063cd8 |
451 | str_cat(str," . "); |
a687059c |
452 | type = ops[ops[node+2].ival].ival & 255; |
453 | str_scat(str, |
454 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); |
8d063cd8 |
455 | str_free(fstr); |
456 | break; |
457 | case OASSIGN: |
a687059c |
458 | prec = P_ASSIGN; |
459 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
460 | str_cat(str," "); |
a687059c |
461 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
462 | str_scat(str,tmpstr); |
463 | if (str_len(tmpstr) > 1) |
464 | numeric = 1; |
465 | str_free(tmpstr); |
466 | str_cat(str," "); |
a687059c |
467 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
8d063cd8 |
468 | str_free(fstr); |
469 | numeric |= numarg; |
7c0587c8 |
470 | if (strEQ(str->str_ptr,"$/ = ''")) |
471 | str_set(str, "$/ = \"\\n\\n\""); |
8d063cd8 |
472 | break; |
473 | case OADD: |
a687059c |
474 | prec = P_ADD; |
475 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
476 | str_cat(str," + "); |
a687059c |
477 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
478 | str_free(fstr); |
479 | numeric = 1; |
480 | break; |
a687059c |
481 | case OSUBTRACT: |
482 | prec = P_ADD; |
483 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
484 | str_cat(str," - "); |
a687059c |
485 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
486 | str_free(fstr); |
487 | numeric = 1; |
488 | break; |
489 | case OMULT: |
a687059c |
490 | prec = P_MUL; |
491 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
492 | str_cat(str," * "); |
a687059c |
493 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
494 | str_free(fstr); |
495 | numeric = 1; |
496 | break; |
497 | case ODIV: |
a687059c |
498 | prec = P_MUL; |
499 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
500 | str_cat(str," / "); |
a687059c |
501 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
502 | str_free(fstr); |
503 | numeric = 1; |
504 | break; |
505 | case OPOW: |
506 | prec = P_POW; |
507 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
508 | str_cat(str," ** "); |
509 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); |
8d063cd8 |
510 | str_free(fstr); |
511 | numeric = 1; |
512 | break; |
513 | case OMOD: |
a687059c |
514 | prec = P_MUL; |
515 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
516 | str_cat(str," % "); |
a687059c |
517 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
518 | str_free(fstr); |
519 | numeric = 1; |
520 | break; |
521 | case OPOSTINCR: |
a687059c |
522 | prec = P_AUTO; |
523 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
524 | str_cat(str,"++"); |
525 | numeric = 1; |
526 | break; |
527 | case OPOSTDECR: |
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 OPREINCR: |
a687059c |
534 | prec = P_AUTO; |
8d063cd8 |
535 | str = str_new(0); |
536 | str_set(str,"++"); |
a687059c |
537 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
538 | str_free(fstr); |
539 | numeric = 1; |
540 | break; |
541 | case OPREDECR: |
a687059c |
542 | prec = P_AUTO; |
8d063cd8 |
543 | str = str_new(0); |
544 | str_set(str,"--"); |
a687059c |
545 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
546 | str_free(fstr); |
547 | numeric = 1; |
548 | break; |
549 | case OUMINUS: |
a687059c |
550 | prec = P_UNARY; |
8d063cd8 |
551 | str = str_new(0); |
552 | str_set(str,"-"); |
a687059c |
553 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
554 | str_free(fstr); |
555 | numeric = 1; |
556 | break; |
557 | case OUPLUS: |
558 | numeric = 1; |
559 | goto def; |
560 | case OPAREN: |
561 | str = str_new(0); |
562 | str_set(str,"("); |
a687059c |
563 | str_scat(str, |
564 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
565 | str_free(fstr); |
566 | str_cat(str,")"); |
567 | numeric |= numarg; |
568 | break; |
569 | case OGETLINE: |
570 | str = str_new(0); |
a687059c |
571 | if (useval) |
572 | str_cat(str,"("); |
573 | if (len > 0) { |
a687059c |
574 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
575 | if (!*fstr->str_ptr) { |
7c0587c8 |
576 | str_cat(str,"$_"); |
a687059c |
577 | len = 2; /* a legal fiction */ |
578 | } |
579 | str_free(fstr); |
580 | } |
581 | else |
582 | str_cat(str,"$_"); |
583 | if (len > 1) { |
584 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
585 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
586 | if (!do_fancy_opens) { |
587 | t = tmpstr->str_ptr; |
588 | if (*t == '"' || *t == '\'') |
589 | t = cpytill(tokenbuf,t+1,*t); |
590 | else |
591 | fatal("Internal error: OGETLINE %s", t); |
592 | d = savestr(t); |
593 | s = savestr(tokenbuf); |
594 | for (t = tokenbuf; *t; t++) { |
595 | *t &= 127; |
3f939f22 |
596 | if (isLOWER(*t)) |
597 | *t = toUPPER(*t); |
598 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
599 | *t = '_'; |
600 | } |
a0d0e21e |
601 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
602 | strcpy(t,"_FH"); |
a687059c |
603 | tmp3str = hfetch(symtab,tokenbuf); |
604 | if (!tmp3str) { |
605 | do_opens = TRUE; |
606 | str_cat(opens,"open("); |
607 | str_cat(opens,tokenbuf); |
608 | str_cat(opens,", "); |
609 | d[1] = '\0'; |
610 | str_cat(opens,d); |
611 | str_cat(opens,tmpstr->str_ptr+1); |
612 | opens->str_cur--; |
613 | if (*fstr->str_ptr == '|') |
614 | str_cat(opens,"|"); |
615 | str_cat(opens,d); |
616 | if (*fstr->str_ptr == '|') |
617 | str_cat(opens,") || die 'Cannot pipe from \""); |
618 | else |
619 | str_cat(opens,") || die 'Cannot open file \""); |
620 | if (*d == '"') |
621 | str_cat(opens,"'.\""); |
622 | str_cat(opens,s); |
623 | if (*d == '"') |
624 | str_cat(opens,"\".'"); |
625 | str_cat(opens,"\".';\n"); |
626 | hstore(symtab,tokenbuf,str_make("x")); |
627 | } |
628 | safefree(s); |
629 | safefree(d); |
630 | str_set(tmpstr,"'"); |
631 | str_cat(tmpstr,tokenbuf); |
632 | str_cat(tmpstr,"'"); |
633 | } |
634 | if (*fstr->str_ptr == '|') |
635 | str_cat(tmpstr,", '|'"); |
636 | str_free(fstr); |
637 | } |
638 | else |
639 | tmpstr = str_make(""); |
640 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); |
641 | str_cat(str,tokenbuf); |
642 | str_free(tmpstr); |
643 | if (useval) |
644 | str_cat(str,",$getline_ok)"); |
645 | saw_getline |= 1 << len; |
8d063cd8 |
646 | break; |
647 | case OSPRINTF: |
648 | str = str_new(0); |
649 | str_set(str,"sprintf("); |
a687059c |
650 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
651 | str_free(fstr); |
652 | str_cat(str,")"); |
653 | break; |
654 | case OSUBSTR: |
655 | str = str_new(0); |
656 | str_set(str,"substr("); |
a687059c |
657 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
658 | str_free(fstr); |
659 | str_cat(str,", "); |
a687059c |
660 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
661 | str_free(fstr); |
662 | str_cat(str,", "); |
663 | if (len == 3) { |
a687059c |
664 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
665 | str_free(fstr); |
666 | } |
667 | else |
668 | str_cat(str,"999999"); |
669 | str_cat(str,")"); |
670 | break; |
671 | case OSTRING: |
672 | str = str_new(0); |
673 | str_set(str,ops[node+1].cval); |
674 | break; |
675 | case OSPLIT: |
676 | str = str_new(0); |
55204971 |
677 | limit = ", 9999)"; |
8d063cd8 |
678 | numeric = 1; |
a687059c |
679 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
680 | if (useval) |
681 | str_set(str,"(@"); |
682 | else |
683 | str_set(str,"@"); |
684 | str_scat(str,tmpstr); |
685 | str_cat(str," = split("); |
686 | if (len == 3) { |
a687059c |
687 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
8d063cd8 |
688 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
689 | i = fstr->str_ptr[1] & 127; |
a0d0e21e |
690 | if (strchr("*+?.[]()|^$\\",i)) |
8d063cd8 |
691 | sprintf(tokenbuf,"/\\%c/",i); |
20188a90 |
692 | else if (i == ' ') |
62b28dd9 |
693 | sprintf(tokenbuf,"' '"); |
8d063cd8 |
694 | else |
695 | sprintf(tokenbuf,"/%c/",i); |
696 | str_cat(str,tokenbuf); |
697 | } |
698 | else |
699 | str_scat(str,fstr); |
700 | str_free(fstr); |
701 | } |
702 | else if (const_FS) { |
703 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); |
704 | str_cat(str,tokenbuf); |
705 | } |
706 | else if (saw_FS) |
707 | str_cat(str,"$FS"); |
55204971 |
708 | else { |
9bb9d9f7 |
709 | str_cat(str,"' '"); |
55204971 |
710 | limit = ")"; |
711 | } |
8d063cd8 |
712 | str_cat(str,", "); |
a687059c |
713 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
714 | str_free(fstr); |
55204971 |
715 | str_cat(str,limit); |
8d063cd8 |
716 | if (useval) { |
717 | str_cat(str,")"); |
718 | } |
719 | str_free(tmpstr); |
720 | break; |
721 | case OINDEX: |
722 | str = str_new(0); |
723 | str_set(str,"index("); |
a687059c |
724 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
725 | str_free(fstr); |
726 | str_cat(str,", "); |
a687059c |
727 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
728 | str_free(fstr); |
729 | str_cat(str,")"); |
730 | numeric = 1; |
731 | break; |
a687059c |
732 | case OMATCH: |
733 | str = str_new(0); |
734 | prec = P_ANDAND; |
735 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); |
736 | str_free(fstr); |
737 | str_cat(str," =~ "); |
738 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); |
739 | str_free(fstr); |
740 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); |
741 | numeric = 1; |
742 | break; |
743 | case OUSERDEF: |
744 | str = str_new(0); |
745 | subretnum = FALSE; |
746 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); |
747 | curargs = str_new(0); |
748 | str_sset(curargs,fstr); |
749 | str_cat(curargs,","); |
750 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); |
751 | str_free(curargs); |
752 | curargs = Nullstr; |
753 | level--; |
754 | subretnum |= numarg; |
755 | s = Nullch; |
756 | t = tmp2str->str_ptr; |
b7953727 |
757 | while ((t = instr(t,"return "))) |
a687059c |
758 | s = t++; |
759 | if (s) { |
760 | i = 0; |
761 | for (t = s+7; *t; t++) { |
762 | if (*t == ';' || *t == '}') |
763 | i++; |
764 | } |
765 | if (i == 1) { |
766 | strcpy(s,s+7); |
767 | tmp2str->str_cur -= 7; |
768 | } |
769 | } |
770 | str_set(str,"\n"); |
771 | tab(str,level); |
772 | str_cat(str,"sub "); |
773 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
774 | str_cat(str," {\n"); |
775 | tab(str,++level); |
776 | if (fstr->str_cur) { |
777 | str_cat(str,"local("); |
778 | str_scat(str,fstr); |
779 | str_cat(str,") = @_;"); |
780 | } |
781 | str_free(fstr); |
782 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
783 | str_free(fstr); |
784 | fixtab(str,level); |
785 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); |
786 | str_free(fstr); |
787 | fixtab(str,level); |
788 | str_scat(str,tmp2str); |
789 | str_free(tmp2str); |
790 | fixtab(str,--level); |
791 | str_cat(str,"}\n"); |
792 | tab(str,level); |
793 | str_scat(subs,str); |
794 | str_set(str,""); |
795 | str_cat(tmpstr,"("); |
796 | tmp2str = str_new(0); |
797 | if (subretnum) |
798 | str_set(tmp2str,"1"); |
799 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
800 | str_free(tmpstr); |
801 | level++; |
802 | break; |
803 | case ORETURN: |
804 | str = str_new(0); |
805 | if (len > 0) { |
806 | str_cat(str,"return "); |
807 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); |
808 | str_free(fstr); |
809 | if (numarg) |
810 | subretnum = TRUE; |
811 | } |
812 | else |
813 | str_cat(str,"return"); |
814 | break; |
815 | case OUSERFUN: |
816 | str = str_new(0); |
817 | str_set(str,"&"); |
818 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
819 | str_free(fstr); |
820 | str_cat(str,"("); |
821 | tmpstr = hfetch(symtab,str->str_ptr+3); |
822 | if (tmpstr && tmpstr->str_ptr) |
823 | numeric |= atoi(tmpstr->str_ptr); |
824 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
825 | str_free(fstr); |
826 | str_cat(str,")"); |
827 | break; |
828 | case OGSUB: |
0335b3e4 |
829 | case OSUB: { |
830 | int gsub = type == OGSUB ? 1 : 0; |
a687059c |
831 | str = str_new(0); |
832 | tmpstr = str_new(0); |
833 | i = 0; |
834 | if (len == 3) { |
835 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); |
836 | if (strNE(tmpstr->str_ptr,"$_")) { |
837 | str_cat(tmpstr, " =~ s"); |
838 | i++; |
839 | } |
840 | else |
841 | str_set(tmpstr, "s"); |
842 | } |
843 | else |
844 | str_set(tmpstr, "s"); |
845 | type = ops[ops[node+2].ival].ival; |
846 | len = type >> 8; |
847 | type &= 255; |
848 | tmp3str = str_new(0); |
849 | if (type == OSTR) { |
850 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
851 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { |
852 | if (*t == '&') |
c5cf9ec2 |
853 | *d++ = '$' + (char)128; |
a687059c |
854 | else if (*t == '$') |
c5cf9ec2 |
855 | *d++ = '\\' + (char)128; |
a687059c |
856 | *d = *t + 128; |
857 | } |
858 | *d = '\0'; |
859 | str_set(tmp2str,tokenbuf); |
0335b3e4 |
860 | s = gsub ? "/g" : "/"; |
a687059c |
861 | } |
862 | else { |
863 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
864 | str_set(tmp3str,"($s_ = '\"'.("); |
865 | str_scat(tmp3str,tmp2str); |
866 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); |
867 | str_set(tmp2str,"eval $s_"); |
0335b3e4 |
868 | s = gsub ? "/ge" : "/e"; |
a687059c |
869 | i++; |
870 | } |
0335b3e4 |
871 | str_cat(tmp2str,s); |
a687059c |
872 | type = ops[ops[node+1].ival].ival; |
873 | len = type >> 8; |
874 | type &= 255; |
875 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
876 | if (type == OREGEX) { |
877 | if (useval && i) |
878 | str_cat(str,"("); |
879 | str_scat(str,tmp3str); |
880 | str_scat(str,tmpstr); |
881 | str_scat(str,fstr); |
882 | str_scat(str,tmp2str); |
a687059c |
883 | } |
884 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { |
885 | if (useval && i) |
886 | str_cat(str,"("); |
887 | str_scat(str,tmp3str); |
888 | str_scat(str,tmpstr); |
889 | str_cat(str,"/"); |
890 | str_scat(str,fstr); |
891 | str_cat(str,"/"); |
892 | str_scat(str,tmp2str); |
a687059c |
893 | } |
894 | else { |
895 | i++; |
896 | if (useval) |
897 | str_cat(str,"("); |
898 | str_cat(str,"$s = "); |
899 | str_scat(str,fstr); |
900 | str_cat(str,", "); |
901 | str_scat(str,tmp3str); |
902 | str_scat(str,tmpstr); |
903 | str_cat(str,"/$s/"); |
904 | str_scat(str,tmp2str); |
a687059c |
905 | } |
906 | if (useval && i) |
907 | str_cat(str,")"); |
908 | str_free(fstr); |
909 | str_free(tmpstr); |
910 | str_free(tmp2str); |
911 | str_free(tmp3str); |
912 | numeric = 1; |
0335b3e4 |
913 | break; } |
8d063cd8 |
914 | case ONUM: |
a687059c |
915 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
916 | numeric = 1; |
917 | break; |
918 | case OSTR: |
a687059c |
919 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
920 | s = "'"; |
378cc40b |
921 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
922 | if (*t == '\'') |
923 | s = "\""; |
924 | else if (*t == '\\') { |
8d063cd8 |
925 | s = "\""; |
378cc40b |
926 | *d++ = *t++ + 128; |
927 | switch (*t) { |
fe14fcc3 |
928 | case '\\': case '"': case 'n': case 't': case '$': |
378cc40b |
929 | break; |
930 | default: /* hide this from perl */ |
c5cf9ec2 |
931 | *d++ = '\\' + (char)128; |
378cc40b |
932 | } |
933 | } |
934 | *d = *t + 128; |
8d063cd8 |
935 | } |
378cc40b |
936 | *d = '\0'; |
8d063cd8 |
937 | str = str_new(0); |
938 | str_set(str,s); |
378cc40b |
939 | str_cat(str,tokenbuf); |
8d063cd8 |
940 | str_free(tmpstr); |
941 | str_cat(str,s); |
942 | break; |
a687059c |
943 | case ODEFINED: |
944 | prec = P_UNI; |
945 | str = str_new(0); |
946 | str_set(str,"defined $"); |
947 | goto addvar; |
948 | case ODELETE: |
949 | str = str_new(0); |
950 | str_set(str,"delete $"); |
951 | goto addvar; |
952 | case OSTAR: |
953 | str = str_new(0); |
954 | str_set(str,"*"); |
955 | goto addvar; |
8d063cd8 |
956 | case OVAR: |
957 | str = str_new(0); |
958 | str_set(str,"$"); |
a687059c |
959 | addvar: |
960 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
961 | if (len == 1) { |
962 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
963 | if (tmp2str && atoi(tmp2str->str_ptr)) |
964 | numeric = 2; |
a687059c |
965 | if (strEQ(str->str_ptr,"$FNR")) { |
966 | numeric = 1; |
967 | saw_FNR++; |
968 | str_set(str,"($.-$FNRbase)"); |
969 | } |
970 | else if (strEQ(str->str_ptr,"$NR")) { |
8d063cd8 |
971 | numeric = 1; |
972 | str_set(str,"$."); |
973 | } |
974 | else if (strEQ(str->str_ptr,"$NF")) { |
975 | numeric = 1; |
976 | str_set(str,"$#Fld"); |
977 | } |
978 | else if (strEQ(str->str_ptr,"$0")) |
979 | str_set(str,"$_"); |
a687059c |
980 | else if (strEQ(str->str_ptr,"$ARGC")) |
981 | str_set(str,"($#ARGV+1)"); |
8d063cd8 |
982 | } |
983 | else { |
a687059c |
984 | #ifdef NOTDEF |
985 | if (curargs) { |
986 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); |
987 | ??? if (instr(curargs->str_ptr,tokenbuf)) |
988 | str_cat(str,"\377"); /* can't translate yet */ |
989 | } |
990 | #endif |
8d063cd8 |
991 | str_cat(tmpstr,"[]"); |
992 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
993 | if (tmp2str && atoi(tmp2str->str_ptr)) |
994 | str_cat(str,"["); |
995 | else |
996 | str_cat(str,"{"); |
a687059c |
997 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
998 | str_free(fstr); |
a687059c |
999 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
1000 | str_set(str,"$ARGV0"); |
1001 | saw_argv0++; |
1002 | } |
1003 | else { |
1004 | if (tmp2str && atoi(tmp2str->str_ptr)) |
1005 | strcpy(tokenbuf,"]"); |
1006 | else |
1007 | strcpy(tokenbuf,"}"); |
c5cf9ec2 |
1008 | *tokenbuf += (char)128; |
a687059c |
1009 | str_cat(str,tokenbuf); |
1010 | } |
8d063cd8 |
1011 | } |
1012 | str_free(tmpstr); |
1013 | break; |
1014 | case OFLD: |
1015 | str = str_new(0); |
1016 | if (split_to_array) { |
1017 | str_set(str,"$Fld"); |
1018 | str_cat(str,"["); |
a687059c |
1019 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1020 | str_free(fstr); |
1021 | str_cat(str,"]"); |
1022 | } |
1023 | else { |
a687059c |
1024 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
8d063cd8 |
1025 | if (i <= arymax) |
1026 | sprintf(tokenbuf,"$%s",nameary[i]); |
1027 | else |
1028 | sprintf(tokenbuf,"$Fld%d",i); |
1029 | str_set(str,tokenbuf); |
1030 | } |
1031 | break; |
1032 | case OVFLD: |
1033 | str = str_new(0); |
1034 | str_set(str,"$Fld["); |
1035 | i = ops[node+1].ival; |
1036 | if ((ops[i].ival & 255) == OPAREN) |
1037 | i = ops[i+1].ival; |
a687059c |
1038 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
8d063cd8 |
1039 | str_scat(str,tmpstr); |
1040 | str_free(tmpstr); |
1041 | str_cat(str,"]"); |
1042 | break; |
1043 | case OJUNK: |
1044 | goto def; |
1045 | case OSNEWLINE: |
1046 | str = str_new(2); |
1047 | str_set(str,";\n"); |
1048 | tab(str,level); |
1049 | break; |
1050 | case ONEWLINE: |
1051 | str = str_new(1); |
1052 | str_set(str,"\n"); |
1053 | tab(str,level); |
1054 | break; |
1055 | case OSCOMMENT: |
1056 | str = str_new(0); |
1057 | str_set(str,";"); |
a687059c |
1058 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1059 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
c5cf9ec2 |
1060 | *s += (char)128; |
8d063cd8 |
1061 | str_scat(str,tmpstr); |
1062 | str_free(tmpstr); |
1063 | tab(str,level); |
1064 | break; |
1065 | case OCOMMENT: |
1066 | str = str_new(0); |
a687059c |
1067 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1068 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
c5cf9ec2 |
1069 | *s += (char)128; |
8d063cd8 |
1070 | str_scat(str,tmpstr); |
1071 | str_free(tmpstr); |
1072 | tab(str,level); |
1073 | break; |
1074 | case OCOMMA: |
a687059c |
1075 | prec = P_COMMA; |
1076 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
1077 | str_cat(str,", "); |
a687059c |
1078 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
1079 | str_free(fstr); |
1080 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
1081 | str_free(fstr); |
1082 | break; |
1083 | case OSEMICOLON: |
1084 | str = str_new(1); |
a687059c |
1085 | str_set(str,";\n"); |
1086 | tab(str,level); |
8d063cd8 |
1087 | break; |
1088 | case OSTATES: |
a687059c |
1089 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1090 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1091 | str_free(fstr); |
1092 | break; |
1093 | case OSTATE: |
1094 | str = str_new(0); |
1095 | if (len >= 1) { |
a687059c |
1096 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1097 | str_free(fstr); |
1098 | if (len >= 2) { |
a687059c |
1099 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1100 | if (*tmpstr->str_ptr == ';') { |
1101 | addsemi(str); |
1102 | str_cat(str,tmpstr->str_ptr+1); |
1103 | } |
1104 | str_free(tmpstr); |
1105 | } |
1106 | } |
1107 | break; |
a687059c |
1108 | case OCLOSE: |
1109 | str = str_make("close("); |
1110 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
1111 | if (!do_fancy_opens) { |
1112 | t = tmpstr->str_ptr; |
1113 | if (*t == '"' || *t == '\'') |
1114 | t = cpytill(tokenbuf,t+1,*t); |
1115 | else |
1116 | fatal("Internal error: OCLOSE %s",t); |
1117 | s = savestr(tokenbuf); |
1118 | for (t = tokenbuf; *t; t++) { |
1119 | *t &= 127; |
3f939f22 |
1120 | if (isLOWER(*t)) |
1121 | *t = toUPPER(*t); |
1122 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
1123 | *t = '_'; |
1124 | } |
a0d0e21e |
1125 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1126 | strcpy(t,"_FH"); |
a687059c |
1127 | str_free(tmpstr); |
1128 | safefree(s); |
1129 | str_set(str,"close "); |
1130 | str_cat(str,tokenbuf); |
1131 | } |
1132 | else { |
7c0587c8 |
1133 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
1134 | tmpstr->str_ptr, tmpstr->str_ptr); |
a687059c |
1135 | str_free(tmpstr); |
1136 | str_set(str,tokenbuf); |
1137 | } |
1138 | break; |
8d063cd8 |
1139 | case OPRINTF: |
1140 | case OPRINT: |
378cc40b |
1141 | lparen = ""; /* set to parens if necessary */ |
1142 | rparen = ""; |
8d063cd8 |
1143 | str = str_new(0); |
1144 | if (len == 3) { /* output redirection */ |
a687059c |
1145 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
1146 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1147 | if (!do_fancy_opens) { |
1148 | t = tmpstr->str_ptr; |
1149 | if (*t == '"' || *t == '\'') |
1150 | t = cpytill(tokenbuf,t+1,*t); |
1151 | else |
1152 | fatal("Internal error: OPRINT"); |
1153 | d = savestr(t); |
1154 | s = savestr(tokenbuf); |
1155 | for (t = tokenbuf; *t; t++) { |
1156 | *t &= 127; |
3f939f22 |
1157 | if (isLOWER(*t)) |
1158 | *t = toUPPER(*t); |
1159 | if (!isALPHA(*t) && !isDIGIT(*t)) |
8d063cd8 |
1160 | *t = '_'; |
1161 | } |
a0d0e21e |
1162 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1163 | strcpy(t,"_FH"); |
a687059c |
1164 | tmp3str = hfetch(symtab,tokenbuf); |
1165 | if (!tmp3str) { |
1166 | str_cat(opens,"open("); |
1167 | str_cat(opens,tokenbuf); |
1168 | str_cat(opens,", "); |
1169 | d[1] = '\0'; |
1170 | str_cat(opens,d); |
1171 | str_scat(opens,tmp2str); |
1172 | str_cat(opens,tmpstr->str_ptr+1); |
1173 | if (*tmp2str->str_ptr == '|') |
1174 | str_cat(opens,") || die 'Cannot pipe to \""); |
1175 | else |
1176 | str_cat(opens,") || die 'Cannot create file \""); |
1177 | if (*d == '"') |
1178 | str_cat(opens,"'.\""); |
1179 | str_cat(opens,s); |
1180 | if (*d == '"') |
1181 | str_cat(opens,"\".'"); |
1182 | str_cat(opens,"\".';\n"); |
1183 | hstore(symtab,tokenbuf,str_make("x")); |
1184 | } |
8d063cd8 |
1185 | str_free(tmpstr); |
1186 | str_free(tmp2str); |
1187 | safefree(s); |
1188 | safefree(d); |
1189 | } |
1190 | else { |
a687059c |
1191 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
8d063cd8 |
1192 | tmp2str->str_ptr, tmpstr->str_ptr); |
1193 | str_cat(str,tokenbuf); |
1194 | tab(str,level+1); |
a687059c |
1195 | strcpy(tokenbuf,"$fh"); |
8d063cd8 |
1196 | str_free(tmpstr); |
1197 | str_free(tmp2str); |
378cc40b |
1198 | lparen = "("; |
1199 | rparen = ")"; |
8d063cd8 |
1200 | } |
1201 | } |
1202 | else |
a687059c |
1203 | strcpy(tokenbuf,""); |
378cc40b |
1204 | str_cat(str,lparen); /* may be null */ |
8d063cd8 |
1205 | if (type == OPRINTF) |
1206 | str_cat(str,"printf"); |
1207 | else |
1208 | str_cat(str,"print"); |
d48672a2 |
1209 | saw_fh = 0; |
8d063cd8 |
1210 | if (len == 3 || do_fancy_opens) { |
d48672a2 |
1211 | if (*tokenbuf) { |
8d063cd8 |
1212 | str_cat(str," "); |
d48672a2 |
1213 | saw_fh = 1; |
1214 | } |
8d063cd8 |
1215 | str_cat(str,tokenbuf); |
1216 | } |
a687059c |
1217 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1218 | if (!*tmpstr->str_ptr && lval_field) { |
2b260de0 |
1219 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1220 | if (split_to_array) { |
1221 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1222 | str_cat(tmpstr,tokenbuf); |
1223 | } |
1224 | else { |
1225 | for (i = 1; i < maxfld; i++) { |
1226 | if (i <= arymax) |
1227 | sprintf(tokenbuf,"$%s, ",nameary[i]); |
1228 | else |
1229 | sprintf(tokenbuf,"$Fld%d, ",i); |
1230 | str_cat(tmpstr,tokenbuf); |
1231 | } |
1232 | if (maxfld <= arymax) |
1233 | sprintf(tokenbuf,"$%s",nameary[maxfld]); |
1234 | else |
1235 | sprintf(tokenbuf,"$Fld%d",maxfld); |
1236 | str_cat(tmpstr,tokenbuf); |
1237 | } |
1238 | } |
1239 | if (*tmpstr->str_ptr) { |
1240 | str_cat(str," "); |
d48672a2 |
1241 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
1242 | str_cat(str,"("); |
1243 | str_scat(str,tmpstr); |
1244 | str_cat(str,")"); |
1245 | } |
1246 | else |
1247 | str_scat(str,tmpstr); |
8d063cd8 |
1248 | } |
1249 | else { |
1250 | str_cat(str," $_"); |
1251 | } |
378cc40b |
1252 | str_cat(str,rparen); /* may be null */ |
8d063cd8 |
1253 | str_free(tmpstr); |
1254 | break; |
a687059c |
1255 | case ORAND: |
1256 | str = str_make("rand(1)"); |
1257 | break; |
1258 | case OSRAND: |
1259 | str = str_make("srand("); |
1260 | goto maybe0; |
1261 | case OATAN2: |
1262 | str = str_make("atan2("); |
1263 | goto maybe0; |
1264 | case OSIN: |
1265 | str = str_make("sin("); |
1266 | goto maybe0; |
1267 | case OCOS: |
1268 | str = str_make("cos("); |
1269 | goto maybe0; |
1270 | case OSYSTEM: |
1271 | str = str_make("system("); |
1272 | goto maybe0; |
8d063cd8 |
1273 | case OLENGTH: |
1274 | str = str_make("length("); |
1275 | goto maybe0; |
1276 | case OLOG: |
1277 | str = str_make("log("); |
1278 | goto maybe0; |
1279 | case OEXP: |
1280 | str = str_make("exp("); |
1281 | goto maybe0; |
1282 | case OSQRT: |
1283 | str = str_make("sqrt("); |
1284 | goto maybe0; |
1285 | case OINT: |
1286 | str = str_make("int("); |
1287 | maybe0: |
1288 | numeric = 1; |
1289 | if (len > 0) |
a687059c |
1290 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1291 | else |
db7c17d7 |
1292 | tmpstr = str_new(0); |
fe14fcc3 |
1293 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
8d063cd8 |
1294 | if (lval_field) { |
2b260de0 |
1295 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1296 | if (split_to_array) { |
1297 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1298 | str_cat(tmpstr,tokenbuf); |
1299 | } |
1300 | else { |
1301 | sprintf(tokenbuf,"join(%s, ",t); |
1302 | str_cat(tmpstr,tokenbuf); |
1303 | for (i = 1; i < maxfld; i++) { |
1304 | if (i <= arymax) |
1305 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1306 | else |
1307 | sprintf(tokenbuf,"$Fld%d,",i); |
1308 | str_cat(tmpstr,tokenbuf); |
1309 | } |
1310 | if (maxfld <= arymax) |
1311 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1312 | else |
1313 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1314 | str_cat(tmpstr,tokenbuf); |
1315 | } |
1316 | } |
1317 | else |
1318 | str_cat(tmpstr,"$_"); |
1319 | } |
1320 | if (strEQ(tmpstr->str_ptr,"$_")) { |
1321 | if (type == OLENGTH && !do_chop) { |
1322 | str = str_make("(length("); |
1323 | str_cat(tmpstr,") - 1"); |
1324 | } |
1325 | } |
1326 | str_scat(str,tmpstr); |
1327 | str_free(tmpstr); |
1328 | str_cat(str,")"); |
1329 | break; |
1330 | case OBREAK: |
1331 | str = str_new(0); |
1332 | str_set(str,"last"); |
1333 | break; |
1334 | case ONEXT: |
1335 | str = str_new(0); |
1336 | str_set(str,"next line"); |
1337 | break; |
1338 | case OEXIT: |
1339 | str = str_new(0); |
1340 | if (realexit) { |
a687059c |
1341 | prec = P_UNI; |
8d063cd8 |
1342 | str_set(str,"exit"); |
1343 | if (len == 1) { |
1344 | str_cat(str," "); |
1345 | exitval = TRUE; |
a687059c |
1346 | str_scat(str, |
1347 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
1348 | str_free(fstr); |
1349 | } |
1350 | } |
1351 | else { |
1352 | if (len == 1) { |
9f68db38 |
1353 | str_set(str,"$ExitValue = "); |
8d063cd8 |
1354 | exitval = TRUE; |
a687059c |
1355 | str_scat(str, |
1356 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); |
8d063cd8 |
1357 | str_free(fstr); |
1358 | str_cat(str,"; "); |
1359 | } |
1360 | str_cat(str,"last line"); |
1361 | } |
1362 | break; |
1363 | case OCONTINUE: |
1364 | str = str_new(0); |
1365 | str_set(str,"next"); |
1366 | break; |
1367 | case OREDIR: |
1368 | goto def; |
1369 | case OIF: |
1370 | str = str_new(0); |
1371 | str_set(str,"if ("); |
a687059c |
1372 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1373 | str_free(fstr); |
1374 | str_cat(str,") "); |
a687059c |
1375 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1376 | str_free(fstr); |
1377 | if (len == 3) { |
1378 | i = ops[node+3].ival; |
1379 | if (i) { |
1380 | if ((ops[i].ival & 255) == OBLOCK) { |
1381 | i = ops[i+1].ival; |
1382 | if (i) { |
1383 | if ((ops[i].ival & 255) != OIF) |
1384 | i = 0; |
1385 | } |
1386 | } |
1387 | else |
1388 | i = 0; |
1389 | } |
1390 | if (i) { |
1391 | str_cat(str,"els"); |
a687059c |
1392 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
8d063cd8 |
1393 | str_free(fstr); |
1394 | } |
1395 | else { |
1396 | str_cat(str,"else "); |
a687059c |
1397 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1398 | str_free(fstr); |
1399 | } |
1400 | } |
1401 | break; |
1402 | case OWHILE: |
1403 | str = str_new(0); |
1404 | str_set(str,"while ("); |
a687059c |
1405 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1406 | str_free(fstr); |
1407 | str_cat(str,") "); |
a687059c |
1408 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1409 | str_free(fstr); |
1410 | break; |
7c0587c8 |
1411 | case ODO: |
1412 | str = str_new(0); |
1413 | str_set(str,"do "); |
1414 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
1415 | str_free(fstr); |
1416 | if (str->str_ptr[str->str_cur - 1] == '\n') |
db7c17d7 |
1417 | --str->str_cur; |
7c0587c8 |
1418 | str_cat(str," while ("); |
1419 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1420 | str_free(fstr); |
1421 | str_cat(str,");"); |
1422 | break; |
8d063cd8 |
1423 | case OFOR: |
1424 | str = str_new(0); |
1425 | str_set(str,"for ("); |
a687059c |
1426 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1427 | i = numarg; |
1428 | if (i) { |
1429 | t = s = tmpstr->str_ptr; |
3f939f22 |
1430 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_') |
8d063cd8 |
1431 | t++; |
1432 | i = t - s; |
1433 | if (i < 2) |
1434 | i = 0; |
1435 | } |
1436 | str_cat(str,"; "); |
a687059c |
1437 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
a0d0e21e |
1438 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
8d063cd8 |
1439 | if (strnEQ(fstr->str_ptr,s,i)) |
1440 | *t = ' '; |
1441 | } |
1442 | str_scat(str,fstr); |
1443 | str_free(fstr); |
1444 | str_free(tmpstr); |
1445 | str_cat(str,"; "); |
a687059c |
1446 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1447 | str_free(fstr); |
1448 | str_cat(str,") "); |
a687059c |
1449 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
1450 | str_free(fstr); |
1451 | break; |
1452 | case OFORIN: |
a687059c |
1453 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
a0d0e21e |
1454 | d = strchr(tmpstr->str_ptr,'$'); |
a687059c |
1455 | if (!d) |
1456 | fatal("Illegal for loop: %s",tmpstr->str_ptr); |
a0d0e21e |
1457 | s = strchr(d,'{'); |
a687059c |
1458 | if (!s) |
a0d0e21e |
1459 | s = strchr(d,'['); |
a687059c |
1460 | if (!s) |
1461 | fatal("Illegal for loop: %s",d); |
1462 | *s++ = '\0'; |
b7953727 |
1463 | for (t = s; (i = *t); t++) { |
ffed7fef |
1464 | i &= 127; |
1465 | if (i == '}' || i == ']') |
1466 | break; |
1467 | } |
1468 | if (*t) |
a687059c |
1469 | *t = '\0'; |
8d063cd8 |
1470 | str = str_new(0); |
a687059c |
1471 | str_set(str,d+1); |
8d063cd8 |
1472 | str_cat(str,"[]"); |
1473 | tmp2str = hfetch(symtab,str->str_ptr); |
1474 | if (tmp2str && atoi(tmp2str->str_ptr)) { |
8d063cd8 |
1475 | sprintf(tokenbuf, |
62b28dd9 |
1476 | "foreach %s ($[ .. $#%s) ", |
a687059c |
1477 | s, |
1478 | d+1); |
8d063cd8 |
1479 | } |
1480 | else { |
a687059c |
1481 | sprintf(tokenbuf, |
1482 | "foreach %s (keys %%%s) ", |
1483 | s, |
1484 | d+1); |
8d063cd8 |
1485 | } |
a687059c |
1486 | str_set(str,tokenbuf); |
1487 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1488 | str_free(fstr); |
8d063cd8 |
1489 | str_free(tmpstr); |
1490 | break; |
1491 | case OBLOCK: |
1492 | str = str_new(0); |
1493 | str_set(str,"{"); |
378cc40b |
1494 | if (len >= 2 && ops[node+2].ival) { |
a687059c |
1495 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1496 | str_free(fstr); |
1497 | } |
1498 | fixtab(str,++level); |
a687059c |
1499 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1500 | str_free(fstr); |
1501 | addsemi(str); |
1502 | fixtab(str,--level); |
1503 | str_cat(str,"}\n"); |
1504 | tab(str,level); |
378cc40b |
1505 | if (len >= 3) { |
a687059c |
1506 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
378cc40b |
1507 | str_free(fstr); |
1508 | } |
8d063cd8 |
1509 | break; |
1510 | default: |
1511 | def: |
1512 | if (len) { |
1513 | if (len > 5) |
1514 | fatal("Garbage length in walk"); |
a687059c |
1515 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1516 | for (i = 2; i<= len; i++) { |
a687059c |
1517 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
8d063cd8 |
1518 | str_free(fstr); |
1519 | } |
1520 | } |
1521 | else { |
1522 | str = Nullstr; |
1523 | } |
1524 | break; |
1525 | } |
1526 | if (!str) |
1527 | str = str_new(0); |
a687059c |
1528 | |
1529 | if (useval && prec < minprec) { /* need parens? */ |
1530 | fstr = str_new(str->str_cur+2); |
1531 | str_nset(fstr,"(",1); |
1532 | str_scat(fstr,str); |
1533 | str_ncat(fstr,")",1); |
1534 | str_free(str); |
1535 | str = fstr; |
1536 | } |
1537 | |
8d063cd8 |
1538 | *numericptr = numeric; |
1539 | #ifdef DEBUGGING |
1540 | if (debug & 4) { |
1541 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); |
1542 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) |
1543 | if (*t == '\n') |
1544 | printf("\\n"); |
1545 | else if (*t == '\t') |
1546 | printf("\\t"); |
1547 | else |
1548 | putchar(*t); |
1549 | putchar('\n'); |
1550 | } |
1551 | #endif |
1552 | return str; |
1553 | } |
1554 | |
748a9306 |
1555 | static void |
f0f333f4 |
1556 | tab(register STR *str, register int lvl) |
8d063cd8 |
1557 | { |
1558 | while (lvl > 1) { |
1559 | str_cat(str,"\t"); |
1560 | lvl -= 2; |
1561 | } |
1562 | if (lvl) |
1563 | str_cat(str," "); |
1564 | } |
1565 | |
748a9306 |
1566 | static void |
f0f333f4 |
1567 | fixtab(register STR *str, register int lvl) |
8d063cd8 |
1568 | { |
1569 | register char *s; |
1570 | |
1571 | /* strip trailing white space */ |
1572 | |
1573 | s = str->str_ptr+str->str_cur - 1; |
a687059c |
1574 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
8d063cd8 |
1575 | s--; |
1576 | s[1] = '\0'; |
1577 | str->str_cur = s + 1 - str->str_ptr; |
1578 | if (s >= str->str_ptr && *s != '\n') |
1579 | str_cat(str,"\n"); |
1580 | |
1581 | tab(str,lvl); |
1582 | } |
1583 | |
748a9306 |
1584 | static void |
f0f333f4 |
1585 | addsemi(register STR *str) |
8d063cd8 |
1586 | { |
1587 | register char *s; |
1588 | |
1589 | s = str->str_ptr+str->str_cur - 1; |
1590 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
1591 | s--; |
1592 | if (s >= str->str_ptr && *s != ';' && *s != '}') |
1593 | str_cat(str,";"); |
1594 | } |
1595 | |
56febc5e |
1596 | static void |
f0f333f4 |
1597 | emit_split(register STR *str, int level) |
8d063cd8 |
1598 | { |
1599 | register int i; |
1600 | |
1601 | if (split_to_array) |
1602 | str_cat(str,"@Fld"); |
1603 | else { |
1604 | str_cat(str,"("); |
1605 | for (i = 1; i < maxfld; i++) { |
1606 | if (i <= arymax) |
1607 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1608 | else |
1609 | sprintf(tokenbuf,"$Fld%d,",i); |
1610 | str_cat(str,tokenbuf); |
1611 | } |
1612 | if (maxfld <= arymax) |
1613 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1614 | else |
1615 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1616 | str_cat(str,tokenbuf); |
1617 | } |
1618 | if (const_FS) { |
62b28dd9 |
1619 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
8d063cd8 |
1620 | str_cat(str,tokenbuf); |
1621 | } |
1622 | else if (saw_FS) |
62b28dd9 |
1623 | str_cat(str," = split($FS, $_, 9999);\n"); |
8d063cd8 |
1624 | else |
62b28dd9 |
1625 | str_cat(str," = split(' ', $_, 9999);\n"); |
8d063cd8 |
1626 | tab(str,level); |
1627 | } |
1628 | |
9c8d0b29 |
1629 | int |
f0f333f4 |
1630 | prewalk(int numit, int level, register int node, int *numericptr) |
8d063cd8 |
1631 | { |
1632 | register int len; |
1633 | register int type; |
1634 | register int i; |
8d063cd8 |
1635 | int numarg; |
1636 | int numeric = FALSE; |
a687059c |
1637 | STR *tmpstr; |
1638 | STR *tmp2str; |
8d063cd8 |
1639 | |
1640 | if (!node) { |
1641 | *numericptr = 0; |
1642 | return 0; |
1643 | } |
1644 | type = ops[node].ival; |
1645 | len = type >> 8; |
1646 | type &= 255; |
1647 | switch (type) { |
1648 | case OPROG: |
1649 | prewalk(0,level,ops[node+1].ival,&numarg); |
1650 | if (ops[node+2].ival) { |
1651 | prewalk(0,level,ops[node+2].ival,&numarg); |
1652 | } |
1653 | ++level; |
1654 | prewalk(0,level,ops[node+3].ival,&numarg); |
1655 | --level; |
1656 | if (ops[node+3].ival) { |
1657 | prewalk(0,level,ops[node+4].ival,&numarg); |
1658 | } |
1659 | break; |
1660 | case OHUNKS: |
1661 | prewalk(0,level,ops[node+1].ival,&numarg); |
1662 | prewalk(0,level,ops[node+2].ival,&numarg); |
1663 | if (len == 3) { |
1664 | prewalk(0,level,ops[node+3].ival,&numarg); |
1665 | } |
1666 | break; |
1667 | case ORANGE: |
1668 | prewalk(1,level,ops[node+1].ival,&numarg); |
1669 | prewalk(1,level,ops[node+2].ival,&numarg); |
1670 | break; |
1671 | case OPAT: |
1672 | goto def; |
1673 | case OREGEX: |
1674 | prewalk(0,level,ops[node+1].ival,&numarg); |
1675 | break; |
1676 | case OHUNK: |
1677 | if (len == 1) { |
1678 | prewalk(0,level,ops[node+1].ival,&numarg); |
1679 | } |
1680 | else { |
1681 | i = prewalk(0,level,ops[node+1].ival,&numarg); |
1682 | if (i) { |
1683 | ++level; |
1684 | prewalk(0,level,ops[node+2].ival,&numarg); |
1685 | --level; |
1686 | } |
1687 | else { |
1688 | prewalk(0,level,ops[node+2].ival,&numarg); |
1689 | } |
1690 | } |
1691 | break; |
1692 | case OPPAREN: |
1693 | prewalk(0,level,ops[node+1].ival,&numarg); |
1694 | break; |
1695 | case OPANDAND: |
1696 | prewalk(0,level,ops[node+1].ival,&numarg); |
1697 | prewalk(0,level,ops[node+2].ival,&numarg); |
1698 | break; |
1699 | case OPOROR: |
1700 | prewalk(0,level,ops[node+1].ival,&numarg); |
1701 | prewalk(0,level,ops[node+2].ival,&numarg); |
1702 | break; |
1703 | case OPNOT: |
1704 | prewalk(0,level,ops[node+1].ival,&numarg); |
1705 | break; |
1706 | case OCPAREN: |
1707 | prewalk(0,level,ops[node+1].ival,&numarg); |
1708 | numeric |= numarg; |
1709 | break; |
1710 | case OCANDAND: |
1711 | prewalk(0,level,ops[node+1].ival,&numarg); |
1712 | numeric = 1; |
1713 | prewalk(0,level,ops[node+2].ival,&numarg); |
1714 | break; |
1715 | case OCOROR: |
1716 | prewalk(0,level,ops[node+1].ival,&numarg); |
1717 | numeric = 1; |
1718 | prewalk(0,level,ops[node+2].ival,&numarg); |
1719 | break; |
1720 | case OCNOT: |
1721 | prewalk(0,level,ops[node+1].ival,&numarg); |
1722 | numeric = 1; |
1723 | break; |
1724 | case ORELOP: |
1725 | prewalk(0,level,ops[node+2].ival,&numarg); |
1726 | numeric |= numarg; |
1727 | prewalk(0,level,ops[node+1].ival,&numarg); |
1728 | prewalk(0,level,ops[node+3].ival,&numarg); |
1729 | numeric |= numarg; |
1730 | numeric = 1; |
1731 | break; |
1732 | case ORPAREN: |
1733 | prewalk(0,level,ops[node+1].ival,&numarg); |
1734 | numeric |= numarg; |
1735 | break; |
1736 | case OMATCHOP: |
1737 | prewalk(0,level,ops[node+2].ival,&numarg); |
1738 | prewalk(0,level,ops[node+1].ival,&numarg); |
1739 | prewalk(0,level,ops[node+3].ival,&numarg); |
1740 | numeric = 1; |
1741 | break; |
1742 | case OMPAREN: |
1743 | prewalk(0,level,ops[node+1].ival,&numarg); |
1744 | numeric |= numarg; |
1745 | break; |
1746 | case OCONCAT: |
1747 | prewalk(0,level,ops[node+1].ival,&numarg); |
1748 | prewalk(0,level,ops[node+2].ival,&numarg); |
1749 | break; |
1750 | case OASSIGN: |
1751 | prewalk(0,level,ops[node+2].ival,&numarg); |
1752 | prewalk(0,level,ops[node+1].ival,&numarg); |
1753 | prewalk(0,level,ops[node+3].ival,&numarg); |
75f92628 |
1754 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
8d063cd8 |
1755 | numericize(ops[node+2].ival); |
1756 | if (!numarg) |
1757 | numericize(ops[node+3].ival); |
1758 | } |
1759 | numeric |= numarg; |
1760 | break; |
1761 | case OADD: |
1762 | prewalk(1,level,ops[node+1].ival,&numarg); |
1763 | prewalk(1,level,ops[node+2].ival,&numarg); |
1764 | numeric = 1; |
1765 | break; |
a687059c |
1766 | case OSUBTRACT: |
8d063cd8 |
1767 | prewalk(1,level,ops[node+1].ival,&numarg); |
1768 | prewalk(1,level,ops[node+2].ival,&numarg); |
1769 | numeric = 1; |
1770 | break; |
1771 | case OMULT: |
1772 | prewalk(1,level,ops[node+1].ival,&numarg); |
1773 | prewalk(1,level,ops[node+2].ival,&numarg); |
1774 | numeric = 1; |
1775 | break; |
1776 | case ODIV: |
1777 | prewalk(1,level,ops[node+1].ival,&numarg); |
1778 | prewalk(1,level,ops[node+2].ival,&numarg); |
1779 | numeric = 1; |
1780 | break; |
a687059c |
1781 | case OPOW: |
1782 | prewalk(1,level,ops[node+1].ival,&numarg); |
1783 | prewalk(1,level,ops[node+2].ival,&numarg); |
1784 | numeric = 1; |
1785 | break; |
8d063cd8 |
1786 | case OMOD: |
1787 | prewalk(1,level,ops[node+1].ival,&numarg); |
1788 | prewalk(1,level,ops[node+2].ival,&numarg); |
1789 | numeric = 1; |
1790 | break; |
1791 | case OPOSTINCR: |
1792 | prewalk(1,level,ops[node+1].ival,&numarg); |
1793 | numeric = 1; |
1794 | break; |
1795 | case OPOSTDECR: |
1796 | prewalk(1,level,ops[node+1].ival,&numarg); |
1797 | numeric = 1; |
1798 | break; |
1799 | case OPREINCR: |
1800 | prewalk(1,level,ops[node+1].ival,&numarg); |
1801 | numeric = 1; |
1802 | break; |
1803 | case OPREDECR: |
1804 | prewalk(1,level,ops[node+1].ival,&numarg); |
1805 | numeric = 1; |
1806 | break; |
1807 | case OUMINUS: |
1808 | prewalk(1,level,ops[node+1].ival,&numarg); |
1809 | numeric = 1; |
1810 | break; |
1811 | case OUPLUS: |
1812 | prewalk(1,level,ops[node+1].ival,&numarg); |
1813 | numeric = 1; |
1814 | break; |
1815 | case OPAREN: |
1816 | prewalk(0,level,ops[node+1].ival,&numarg); |
1817 | numeric |= numarg; |
1818 | break; |
1819 | case OGETLINE: |
1820 | break; |
1821 | case OSPRINTF: |
1822 | prewalk(0,level,ops[node+1].ival,&numarg); |
1823 | break; |
1824 | case OSUBSTR: |
1825 | prewalk(0,level,ops[node+1].ival,&numarg); |
1826 | prewalk(1,level,ops[node+2].ival,&numarg); |
1827 | if (len == 3) { |
1828 | prewalk(1,level,ops[node+3].ival,&numarg); |
1829 | } |
1830 | break; |
1831 | case OSTRING: |
1832 | break; |
1833 | case OSPLIT: |
1834 | numeric = 1; |
1835 | prewalk(0,level,ops[node+2].ival,&numarg); |
1836 | if (len == 3) |
1837 | prewalk(0,level,ops[node+3].ival,&numarg); |
1838 | prewalk(0,level,ops[node+1].ival,&numarg); |
1839 | break; |
1840 | case OINDEX: |
1841 | prewalk(0,level,ops[node+1].ival,&numarg); |
1842 | prewalk(0,level,ops[node+2].ival,&numarg); |
1843 | numeric = 1; |
1844 | break; |
a687059c |
1845 | case OMATCH: |
1846 | prewalk(0,level,ops[node+1].ival,&numarg); |
1847 | prewalk(0,level,ops[node+2].ival,&numarg); |
1848 | numeric = 1; |
1849 | break; |
1850 | case OUSERDEF: |
1851 | subretnum = FALSE; |
1852 | --level; |
1853 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1854 | ++level; |
1855 | prewalk(0,level,ops[node+2].ival,&numarg); |
1856 | prewalk(0,level,ops[node+4].ival,&numarg); |
1857 | prewalk(0,level,ops[node+5].ival,&numarg); |
1858 | --level; |
1859 | str_cat(tmpstr,"("); |
1860 | tmp2str = str_new(0); |
1861 | if (subretnum || numarg) |
1862 | str_set(tmp2str,"1"); |
1863 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
1864 | str_free(tmpstr); |
1865 | level++; |
1866 | break; |
1867 | case ORETURN: |
1868 | if (len > 0) { |
1869 | prewalk(0,level,ops[node+1].ival,&numarg); |
1870 | if (numarg) |
1871 | subretnum = TRUE; |
1872 | } |
1873 | break; |
1874 | case OUSERFUN: |
1875 | tmp2str = str_new(0); |
1876 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
663a0e37 |
1877 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
a687059c |
1878 | str_free(tmpstr); |
1879 | str_cat(tmp2str,"("); |
1880 | tmpstr = hfetch(symtab,tmp2str->str_ptr); |
1881 | if (tmpstr && tmpstr->str_ptr) |
1882 | numeric |= atoi(tmpstr->str_ptr); |
1883 | prewalk(0,level,ops[node+2].ival,&numarg); |
1884 | str_free(tmp2str); |
1885 | break; |
1886 | case OGSUB: |
1887 | case OSUB: |
1888 | if (len >= 3) |
1889 | prewalk(0,level,ops[node+3].ival,&numarg); |
1890 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); |
1891 | prewalk(0,level,ops[node+1].ival,&numarg); |
1892 | numeric = 1; |
1893 | break; |
8d063cd8 |
1894 | case ONUM: |
1895 | prewalk(0,level,ops[node+1].ival,&numarg); |
1896 | numeric = 1; |
1897 | break; |
1898 | case OSTR: |
1899 | prewalk(0,level,ops[node+1].ival,&numarg); |
1900 | break; |
a687059c |
1901 | case ODEFINED: |
1902 | case ODELETE: |
1903 | case OSTAR: |
8d063cd8 |
1904 | case OVAR: |
1905 | prewalk(0,level,ops[node+1].ival,&numarg); |
1906 | if (len == 1) { |
1907 | if (numit) |
1908 | numericize(node); |
1909 | } |
1910 | else { |
1911 | prewalk(0,level,ops[node+2].ival,&numarg); |
1912 | } |
1913 | break; |
1914 | case OFLD: |
1915 | prewalk(0,level,ops[node+1].ival,&numarg); |
1916 | break; |
1917 | case OVFLD: |
1918 | i = ops[node+1].ival; |
1919 | prewalk(0,level,i,&numarg); |
1920 | break; |
1921 | case OJUNK: |
1922 | goto def; |
1923 | case OSNEWLINE: |
1924 | break; |
1925 | case ONEWLINE: |
1926 | break; |
1927 | case OSCOMMENT: |
1928 | break; |
1929 | case OCOMMENT: |
1930 | break; |
1931 | case OCOMMA: |
1932 | prewalk(0,level,ops[node+1].ival,&numarg); |
1933 | prewalk(0,level,ops[node+2].ival,&numarg); |
a687059c |
1934 | prewalk(0,level,ops[node+3].ival,&numarg); |
8d063cd8 |
1935 | break; |
1936 | case OSEMICOLON: |
1937 | break; |
1938 | case OSTATES: |
1939 | prewalk(0,level,ops[node+1].ival,&numarg); |
1940 | prewalk(0,level,ops[node+2].ival,&numarg); |
1941 | break; |
1942 | case OSTATE: |
1943 | if (len >= 1) { |
1944 | prewalk(0,level,ops[node+1].ival,&numarg); |
1945 | if (len >= 2) { |
1946 | prewalk(0,level,ops[node+2].ival,&numarg); |
1947 | } |
1948 | } |
1949 | break; |
a687059c |
1950 | case OCLOSE: |
1951 | prewalk(0,level,ops[node+1].ival,&numarg); |
1952 | break; |
8d063cd8 |
1953 | case OPRINTF: |
1954 | case OPRINT: |
1955 | if (len == 3) { /* output redirection */ |
1956 | prewalk(0,level,ops[node+3].ival,&numarg); |
1957 | prewalk(0,level,ops[node+2].ival,&numarg); |
1958 | } |
1959 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); |
1960 | break; |
a687059c |
1961 | case ORAND: |
1962 | break; |
1963 | case OSRAND: |
1964 | goto maybe0; |
1965 | case OATAN2: |
1966 | goto maybe0; |
1967 | case OSIN: |
1968 | goto maybe0; |
1969 | case OCOS: |
1970 | goto maybe0; |
1971 | case OSYSTEM: |
1972 | goto maybe0; |
8d063cd8 |
1973 | case OLENGTH: |
1974 | goto maybe0; |
1975 | case OLOG: |
1976 | goto maybe0; |
1977 | case OEXP: |
1978 | goto maybe0; |
1979 | case OSQRT: |
1980 | goto maybe0; |
1981 | case OINT: |
1982 | maybe0: |
1983 | numeric = 1; |
1984 | if (len > 0) |
a687059c |
1985 | prewalk(type != OLENGTH && type != OSYSTEM, |
1986 | level,ops[node+1].ival,&numarg); |
8d063cd8 |
1987 | break; |
1988 | case OBREAK: |
1989 | break; |
1990 | case ONEXT: |
1991 | break; |
1992 | case OEXIT: |
1993 | if (len == 1) { |
1994 | prewalk(1,level,ops[node+1].ival,&numarg); |
1995 | } |
1996 | break; |
1997 | case OCONTINUE: |
1998 | break; |
1999 | case OREDIR: |
2000 | goto def; |
2001 | case OIF: |
2002 | prewalk(0,level,ops[node+1].ival,&numarg); |
2003 | prewalk(0,level,ops[node+2].ival,&numarg); |
2004 | if (len == 3) { |
2005 | prewalk(0,level,ops[node+3].ival,&numarg); |
2006 | } |
2007 | break; |
2008 | case OWHILE: |
2009 | prewalk(0,level,ops[node+1].ival,&numarg); |
2010 | prewalk(0,level,ops[node+2].ival,&numarg); |
2011 | break; |
2012 | case OFOR: |
2013 | prewalk(0,level,ops[node+1].ival,&numarg); |
2014 | prewalk(0,level,ops[node+2].ival,&numarg); |
2015 | prewalk(0,level,ops[node+3].ival,&numarg); |
2016 | prewalk(0,level,ops[node+4].ival,&numarg); |
2017 | break; |
2018 | case OFORIN: |
2019 | prewalk(0,level,ops[node+2].ival,&numarg); |
2020 | prewalk(0,level,ops[node+1].ival,&numarg); |
8d063cd8 |
2021 | break; |
2022 | case OBLOCK: |
2023 | if (len == 2) { |
2024 | prewalk(0,level,ops[node+2].ival,&numarg); |
2025 | } |
2026 | ++level; |
2027 | prewalk(0,level,ops[node+1].ival,&numarg); |
2028 | --level; |
2029 | break; |
2030 | default: |
2031 | def: |
2032 | if (len) { |
2033 | if (len > 5) |
2034 | fatal("Garbage length in prewalk"); |
2035 | prewalk(0,level,ops[node+1].ival,&numarg); |
2036 | for (i = 2; i<= len; i++) { |
2037 | prewalk(0,level,ops[node+i].ival,&numarg); |
2038 | } |
2039 | } |
2040 | break; |
2041 | } |
2042 | *numericptr = numeric; |
2043 | return 1; |
2044 | } |
2045 | |
748a9306 |
2046 | static void |
f0f333f4 |
2047 | numericize(register int node) |
8d063cd8 |
2048 | { |
2049 | register int len; |
2050 | register int type; |
8d063cd8 |
2051 | STR *tmpstr; |
2052 | STR *tmp2str; |
2053 | int numarg; |
2054 | |
2055 | type = ops[node].ival; |
2056 | len = type >> 8; |
2057 | type &= 255; |
2058 | if (type == OVAR && len == 1) { |
a687059c |
2059 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
2060 | tmp2str = str_make("1"); |
2061 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
2062 | } |
2063 | } |