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79072805 |
1 | /* $RCSfile: walk.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:31 $ |
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2 | * |
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3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, |
4 | * 2000, 2001, 2002, by Larry Wall and others |
a687059c |
5 | * |
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6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. |
8d063cd8 |
8 | * |
9 | * $Log: walk.c,v $ |
8d063cd8 |
10 | */ |
11 | |
8d063cd8 |
12 | #include "EXTERN.h" |
8d063cd8 |
13 | #include "a2p.h" |
9c8d0b29 |
14 | #include "util.h" |
8d063cd8 |
15 | |
16 | bool exitval = FALSE; |
17 | bool realexit = FALSE; |
378cc40b |
18 | bool saw_getline = FALSE; |
a687059c |
19 | bool subretnum = FALSE; |
20 | bool saw_FNR = FALSE; |
21 | bool saw_argv0 = FALSE; |
d48672a2 |
22 | bool saw_fh = FALSE; |
8d063cd8 |
23 | int maxtmp = 0; |
378cc40b |
24 | char *lparen; |
25 | char *rparen; |
55204971 |
26 | char *limit; |
a687059c |
27 | STR *subs; |
28 | STR *curargs = Nullstr; |
8d063cd8 |
29 | |
20ce7b12 |
30 | static void addsemi ( STR *str ); |
31 | static void emit_split ( STR *str, int level ); |
32 | static void fixtab ( STR *str, int lvl ); |
33 | static void numericize ( int node ); |
34 | static void tab ( STR *str, int lvl ); |
56febc5e |
35 | |
20ce7b12 |
36 | int prewalk ( int numit, int level, int node, int *numericptr ); |
37 | STR * walk ( int useval, int level, int node, int *numericptr, int minprec ); |
011f1a1a |
38 | #ifdef NETWARE |
39 | char *savestr(char *str); |
40 | char *cpytill(register char *to, register char *from, register int delim); |
41 | char *instr(char *big, char *little); |
42 | #endif |
9c8d0b29 |
43 | |
8d063cd8 |
44 | STR * |
f0f333f4 |
45 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
46 | |
47 | |
48 | |
49 | |
50 | /* minimum precedence without parens */ |
8d063cd8 |
51 | { |
52 | register int len; |
53 | register STR *str; |
54 | register int type; |
55 | register int i; |
56 | register STR *tmpstr; |
57 | STR *tmp2str; |
a687059c |
58 | STR *tmp3str; |
8d063cd8 |
59 | char *t; |
0335b3e4 |
60 | char *d, *s; |
8d063cd8 |
61 | int numarg; |
62 | int numeric = FALSE; |
63 | STR *fstr; |
a687059c |
64 | int prec = P_MAX; /* assume no parens needed */ |
8d063cd8 |
65 | |
66 | if (!node) { |
67 | *numericptr = 0; |
68 | return str_make(""); |
69 | } |
70 | type = ops[node].ival; |
71 | len = type >> 8; |
72 | type &= 255; |
73 | switch (type) { |
74 | case OPROG: |
d48672a2 |
75 | arymax = 0; |
76 | if (namelist) { |
3f939f22 |
77 | while (isALPHA(*namelist)) { |
d48672a2 |
78 | for (d = tokenbuf,s=namelist; |
3f939f22 |
79 | isALPHA(*s) || isDIGIT(*s) || *s == '_'; |
d48672a2 |
80 | *d++ = *s++) ; |
81 | *d = '\0'; |
3f939f22 |
82 | while (*s && !isALPHA(*s)) s++; |
d48672a2 |
83 | namelist = s; |
84 | nameary[++arymax] = savestr(tokenbuf); |
85 | } |
86 | } |
87 | if (maxfld < arymax) |
88 | maxfld = arymax; |
8d063cd8 |
89 | opens = str_new(0); |
a687059c |
90 | subs = str_new(0); |
91 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
92 | if (do_split && need_entire && !absmaxfld) |
93 | split_to_array = TRUE; |
94 | if (do_split && split_to_array) |
95 | set_array_base = TRUE; |
96 | if (set_array_base) { |
97 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); |
98 | } |
99 | if (fswitch && !const_FS) |
100 | const_FS = fswitch; |
101 | if (saw_FS > 1 || saw_RS) |
102 | const_FS = 0; |
103 | if (saw_ORS && need_entire) |
104 | do_chop = TRUE; |
105 | if (fswitch) { |
106 | str_cat(str,"$FS = '"); |
a0d0e21e |
107 | if (strchr("*+?.[]()|^$\\",fswitch)) |
8d063cd8 |
108 | str_cat(str,"\\"); |
109 | sprintf(tokenbuf,"%c",fswitch); |
110 | str_cat(str,tokenbuf); |
111 | str_cat(str,"';\t\t# field separator from -F switch\n"); |
112 | } |
113 | else if (saw_FS && !const_FS) { |
9bb9d9f7 |
114 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
8d063cd8 |
115 | } |
116 | if (saw_OFS) { |
a559c259 |
117 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
8d063cd8 |
118 | } |
119 | if (saw_ORS) { |
a559c259 |
120 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
8d063cd8 |
121 | } |
a687059c |
122 | if (saw_argv0) { |
123 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); |
124 | } |
8d063cd8 |
125 | if (str->str_cur > 20) |
126 | str_cat(str,"\n"); |
127 | if (ops[node+2].ival) { |
a687059c |
128 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
129 | str_free(fstr); |
130 | str_cat(str,"\n\n"); |
131 | } |
a687059c |
132 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
133 | if (*fstr->str_ptr) { |
134 | if (saw_line_op) |
135 | str_cat(str,"line: "); |
136 | str_cat(str,"while (<>) {\n"); |
137 | tab(str,++level); |
138 | if (saw_FS && !const_FS) |
139 | do_chop = TRUE; |
140 | if (do_chop) { |
7bdaec8a |
141 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
142 | tab(str,level); |
8d063cd8 |
143 | } |
a687059c |
144 | if (do_split) |
145 | emit_split(str,level); |
146 | str_scat(str,fstr); |
147 | str_free(fstr); |
148 | fixtab(str,--level); |
149 | str_cat(str,"}\n"); |
150 | if (saw_FNR) |
151 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); |
8d063cd8 |
152 | } |
a5571d59 |
153 | else if (old_awk) |
ae986130 |
154 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
8d063cd8 |
155 | if (ops[node+4].ival) { |
156 | realexit = TRUE; |
157 | str_cat(str,"\n"); |
158 | tab(str,level); |
a687059c |
159 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
160 | str_free(fstr); |
161 | str_cat(str,"\n"); |
162 | } |
163 | if (exitval) |
9f68db38 |
164 | str_cat(str,"exit $ExitValue;\n"); |
a687059c |
165 | if (subs->str_ptr) { |
166 | str_cat(str,"\n"); |
167 | str_scat(str,subs); |
168 | } |
378cc40b |
169 | if (saw_getline) { |
a687059c |
170 | for (len = 0; len < 4; len++) { |
171 | if (saw_getline & (1 << len)) { |
172 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); |
173 | str_cat(str, tokenbuf); |
174 | if (len & 2) { |
175 | if (do_fancy_opens) |
176 | str_cat(str," &Pick('',@_);\n"); |
177 | else |
178 | str_cat(str," ($fh) = @_;\n"); |
179 | } |
180 | else { |
181 | if (saw_FNR) |
182 | str_cat(str," $FNRbase = $. if eof;\n"); |
183 | } |
184 | if (len & 1) |
62b28dd9 |
185 | str_cat(str," local($_);\n"); |
a687059c |
186 | if (len & 2) |
187 | str_cat(str, |
188 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); |
189 | else |
190 | str_cat(str, |
191 | " if ($getline_ok = (($_ = <>) ne ''))"); |
192 | str_cat(str, " {\n"); |
193 | level += 2; |
194 | tab(str,level); |
195 | i = 0; |
196 | if (do_chop) { |
197 | i++; |
7bdaec8a |
198 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
199 | tab(str,level); |
200 | } |
201 | if (do_split && !(len & 1)) { |
202 | i++; |
203 | emit_split(str,level); |
204 | } |
205 | if (!i) |
206 | str_cat(str,";\n"); |
207 | fixtab(str,--level); |
208 | str_cat(str,"}\n $_;\n}\n"); |
209 | --level; |
210 | } |
378cc40b |
211 | } |
378cc40b |
212 | } |
8d063cd8 |
213 | if (do_fancy_opens) { |
214 | str_cat(str,"\n\ |
215 | sub Pick {\n\ |
a687059c |
216 | local($mode,$name,$pipe) = @_;\n\ |
7c0587c8 |
217 | $fh = $name;\n\ |
218 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ |
8d063cd8 |
219 | }\n\ |
220 | "); |
221 | } |
222 | break; |
223 | case OHUNKS: |
a687059c |
224 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
225 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
226 | str_free(fstr); |
227 | if (len == 3) { |
a687059c |
228 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
229 | str_free(fstr); |
230 | } |
231 | else { |
232 | } |
233 | break; |
234 | case ORANGE: |
a687059c |
235 | prec = P_DOTDOT; |
236 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
237 | str_cat(str," .. "); |
a687059c |
238 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
239 | str_free(fstr); |
240 | break; |
241 | case OPAT: |
242 | goto def; |
243 | case OREGEX: |
244 | str = str_new(0); |
245 | str_set(str,"/"); |
a687059c |
246 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
247 | /* translate \nnn to [\nnn] */ |
248 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { |
3f939f22 |
249 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){ |
8d063cd8 |
250 | *d++ = '['; |
251 | *d++ = *s++; |
252 | *d++ = *s++; |
253 | *d++ = *s++; |
254 | *d++ = *s; |
255 | *d = ']'; |
256 | } |
257 | else |
258 | *d = *s; |
259 | } |
260 | *d = '\0'; |
378cc40b |
261 | for (d=tokenbuf; *d; d++) |
c5cf9ec2 |
262 | *d += (char)128; |
8d063cd8 |
263 | str_cat(str,tokenbuf); |
264 | str_free(tmpstr); |
265 | str_cat(str,"/"); |
266 | break; |
267 | case OHUNK: |
268 | if (len == 1) { |
269 | str = str_new(0); |
a687059c |
270 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
8d063cd8 |
271 | str_cat(str," if "); |
a687059c |
272 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
273 | str_free(fstr); |
274 | str_cat(str,";"); |
275 | } |
276 | else { |
a687059c |
277 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
278 | if (*tmpstr->str_ptr) { |
279 | str = str_new(0); |
280 | str_set(str,"if ("); |
281 | str_scat(str,tmpstr); |
282 | str_cat(str,") {\n"); |
283 | tab(str,++level); |
a687059c |
284 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
285 | str_free(fstr); |
286 | fixtab(str,--level); |
287 | str_cat(str,"}\n"); |
288 | tab(str,level); |
289 | } |
290 | else { |
a687059c |
291 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
292 | } |
293 | } |
294 | break; |
295 | case OPPAREN: |
296 | str = str_new(0); |
297 | str_set(str,"("); |
a687059c |
298 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
299 | str_free(fstr); |
300 | str_cat(str,")"); |
301 | break; |
302 | case OPANDAND: |
a687059c |
303 | prec = P_ANDAND; |
304 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
305 | str_cat(str," && "); |
a687059c |
306 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
307 | str_free(fstr); |
308 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
309 | str_free(fstr); |
310 | break; |
311 | case OPOROR: |
a687059c |
312 | prec = P_OROR; |
313 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
314 | str_cat(str," || "); |
a687059c |
315 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
316 | str_free(fstr); |
317 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
318 | str_free(fstr); |
319 | break; |
320 | case OPNOT: |
a687059c |
321 | prec = P_UNARY; |
8d063cd8 |
322 | str = str_new(0); |
323 | str_set(str,"!"); |
a687059c |
324 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
325 | str_free(fstr); |
326 | break; |
62b28dd9 |
327 | case OCOND: |
328 | prec = P_COND; |
329 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
330 | str_cat(str," ? "); |
331 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
332 | str_free(fstr); |
333 | str_cat(str," : "); |
334 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
335 | str_free(fstr); |
336 | break; |
8d063cd8 |
337 | case OCPAREN: |
338 | str = str_new(0); |
339 | str_set(str,"("); |
a687059c |
340 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
341 | str_free(fstr); |
342 | numeric |= numarg; |
343 | str_cat(str,")"); |
344 | break; |
345 | case OCANDAND: |
a687059c |
346 | prec = P_ANDAND; |
347 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
348 | numeric = 1; |
349 | str_cat(str," && "); |
a687059c |
350 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
351 | str_free(fstr); |
352 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
353 | str_free(fstr); |
354 | break; |
355 | case OCOROR: |
a687059c |
356 | prec = P_OROR; |
357 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
358 | numeric = 1; |
359 | str_cat(str," || "); |
a687059c |
360 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
361 | str_free(fstr); |
362 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
363 | str_free(fstr); |
364 | break; |
365 | case OCNOT: |
a687059c |
366 | prec = P_UNARY; |
8d063cd8 |
367 | str = str_new(0); |
368 | str_set(str,"!"); |
a687059c |
369 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
370 | str_free(fstr); |
371 | numeric = 1; |
372 | break; |
373 | case ORELOP: |
a687059c |
374 | prec = P_REL; |
375 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
376 | numeric |= numarg; |
a687059c |
377 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
378 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); |
8d063cd8 |
379 | numeric |= numarg; |
a687059c |
380 | if (!numeric || |
381 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { |
8d063cd8 |
382 | t = tmpstr->str_ptr; |
383 | if (strEQ(t,"==")) |
384 | str_set(tmpstr,"eq"); |
385 | else if (strEQ(t,"!=")) |
386 | str_set(tmpstr,"ne"); |
387 | else if (strEQ(t,"<")) |
388 | str_set(tmpstr,"lt"); |
389 | else if (strEQ(t,"<=")) |
390 | str_set(tmpstr,"le"); |
391 | else if (strEQ(t,">")) |
392 | str_set(tmpstr,"gt"); |
393 | else if (strEQ(t,">=")) |
394 | str_set(tmpstr,"ge"); |
a0d0e21e |
395 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
396 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) |
8d063cd8 |
397 | numeric |= 2; |
398 | } |
399 | if (numeric & 2) { |
400 | if (numeric & 1) /* numeric is very good guess */ |
401 | str_cat(str," "); |
402 | else |
403 | str_cat(str,"\377"); |
404 | numeric = 1; |
405 | } |
406 | else |
407 | str_cat(str," "); |
408 | str_scat(str,tmpstr); |
409 | str_free(tmpstr); |
410 | str_cat(str," "); |
411 | str_scat(str,tmp2str); |
412 | str_free(tmp2str); |
413 | numeric = 1; |
414 | break; |
415 | case ORPAREN: |
416 | str = str_new(0); |
417 | str_set(str,"("); |
a687059c |
418 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
419 | str_free(fstr); |
420 | numeric |= numarg; |
421 | str_cat(str,")"); |
422 | break; |
423 | case OMATCHOP: |
a687059c |
424 | prec = P_MATCH; |
425 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
426 | str_cat(str," "); |
a687059c |
427 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
428 | if (strEQ(tmpstr->str_ptr,"~")) |
429 | str_cat(str,"=~"); |
430 | else { |
431 | str_scat(str,tmpstr); |
432 | str_free(tmpstr); |
433 | } |
434 | str_cat(str," "); |
a687059c |
435 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
436 | str_free(fstr); |
437 | numeric = 1; |
438 | break; |
439 | case OMPAREN: |
440 | str = str_new(0); |
441 | str_set(str,"("); |
a687059c |
442 | str_scat(str, |
443 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
444 | str_free(fstr); |
445 | numeric |= numarg; |
446 | str_cat(str,")"); |
447 | break; |
448 | case OCONCAT: |
a687059c |
449 | prec = P_ADD; |
450 | type = ops[ops[node+1].ival].ival & 255; |
451 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); |
8d063cd8 |
452 | str_cat(str," . "); |
a687059c |
453 | type = ops[ops[node+2].ival].ival & 255; |
454 | str_scat(str, |
455 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); |
8d063cd8 |
456 | str_free(fstr); |
457 | break; |
458 | case OASSIGN: |
a687059c |
459 | prec = P_ASSIGN; |
460 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
461 | str_cat(str," "); |
a687059c |
462 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
463 | str_scat(str,tmpstr); |
464 | if (str_len(tmpstr) > 1) |
465 | numeric = 1; |
466 | str_free(tmpstr); |
467 | str_cat(str," "); |
a687059c |
468 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
8d063cd8 |
469 | str_free(fstr); |
470 | numeric |= numarg; |
7c0587c8 |
471 | if (strEQ(str->str_ptr,"$/ = ''")) |
472 | str_set(str, "$/ = \"\\n\\n\""); |
8d063cd8 |
473 | break; |
474 | case OADD: |
a687059c |
475 | prec = P_ADD; |
476 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
477 | str_cat(str," + "); |
a687059c |
478 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
479 | str_free(fstr); |
480 | numeric = 1; |
481 | break; |
a687059c |
482 | case OSUBTRACT: |
483 | prec = P_ADD; |
484 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
485 | str_cat(str," - "); |
a687059c |
486 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
487 | str_free(fstr); |
488 | numeric = 1; |
489 | break; |
490 | case OMULT: |
a687059c |
491 | prec = P_MUL; |
492 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
493 | str_cat(str," * "); |
a687059c |
494 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
495 | str_free(fstr); |
496 | numeric = 1; |
497 | break; |
498 | case ODIV: |
a687059c |
499 | prec = P_MUL; |
500 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
501 | str_cat(str," / "); |
a687059c |
502 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
503 | str_free(fstr); |
504 | numeric = 1; |
505 | break; |
506 | case OPOW: |
507 | prec = P_POW; |
508 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
509 | str_cat(str," ** "); |
510 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); |
8d063cd8 |
511 | str_free(fstr); |
512 | numeric = 1; |
513 | break; |
514 | case OMOD: |
a687059c |
515 | prec = P_MUL; |
516 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
517 | str_cat(str," % "); |
a687059c |
518 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
519 | str_free(fstr); |
520 | numeric = 1; |
521 | break; |
522 | case OPOSTINCR: |
a687059c |
523 | prec = P_AUTO; |
524 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
525 | str_cat(str,"++"); |
526 | numeric = 1; |
527 | break; |
528 | case OPOSTDECR: |
a687059c |
529 | prec = P_AUTO; |
530 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
531 | str_cat(str,"--"); |
532 | numeric = 1; |
533 | break; |
534 | case OPREINCR: |
a687059c |
535 | prec = P_AUTO; |
8d063cd8 |
536 | str = str_new(0); |
537 | str_set(str,"++"); |
a687059c |
538 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
539 | str_free(fstr); |
540 | numeric = 1; |
541 | break; |
542 | case OPREDECR: |
a687059c |
543 | prec = P_AUTO; |
8d063cd8 |
544 | str = str_new(0); |
545 | str_set(str,"--"); |
a687059c |
546 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
547 | str_free(fstr); |
548 | numeric = 1; |
549 | break; |
550 | case OUMINUS: |
a687059c |
551 | prec = P_UNARY; |
8d063cd8 |
552 | str = str_new(0); |
553 | str_set(str,"-"); |
a687059c |
554 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
555 | str_free(fstr); |
556 | numeric = 1; |
557 | break; |
558 | case OUPLUS: |
559 | numeric = 1; |
560 | goto def; |
561 | case OPAREN: |
562 | str = str_new(0); |
563 | str_set(str,"("); |
a687059c |
564 | str_scat(str, |
565 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
566 | str_free(fstr); |
567 | str_cat(str,")"); |
568 | numeric |= numarg; |
569 | break; |
570 | case OGETLINE: |
571 | str = str_new(0); |
a687059c |
572 | if (useval) |
573 | str_cat(str,"("); |
574 | if (len > 0) { |
a687059c |
575 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
576 | if (!*fstr->str_ptr) { |
7c0587c8 |
577 | str_cat(str,"$_"); |
a687059c |
578 | len = 2; /* a legal fiction */ |
579 | } |
580 | str_free(fstr); |
581 | } |
582 | else |
583 | str_cat(str,"$_"); |
584 | if (len > 1) { |
585 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
586 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
587 | if (!do_fancy_opens) { |
588 | t = tmpstr->str_ptr; |
589 | if (*t == '"' || *t == '\'') |
590 | t = cpytill(tokenbuf,t+1,*t); |
591 | else |
592 | fatal("Internal error: OGETLINE %s", t); |
593 | d = savestr(t); |
594 | s = savestr(tokenbuf); |
595 | for (t = tokenbuf; *t; t++) { |
596 | *t &= 127; |
3f939f22 |
597 | if (isLOWER(*t)) |
598 | *t = toUPPER(*t); |
599 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
600 | *t = '_'; |
601 | } |
a0d0e21e |
602 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
603 | strcpy(t,"_FH"); |
a687059c |
604 | tmp3str = hfetch(symtab,tokenbuf); |
605 | if (!tmp3str) { |
606 | do_opens = TRUE; |
607 | str_cat(opens,"open("); |
608 | str_cat(opens,tokenbuf); |
609 | str_cat(opens,", "); |
610 | d[1] = '\0'; |
611 | str_cat(opens,d); |
612 | str_cat(opens,tmpstr->str_ptr+1); |
613 | opens->str_cur--; |
614 | if (*fstr->str_ptr == '|') |
615 | str_cat(opens,"|"); |
616 | str_cat(opens,d); |
617 | if (*fstr->str_ptr == '|') |
618 | str_cat(opens,") || die 'Cannot pipe from \""); |
619 | else |
620 | str_cat(opens,") || die 'Cannot open file \""); |
621 | if (*d == '"') |
622 | str_cat(opens,"'.\""); |
623 | str_cat(opens,s); |
624 | if (*d == '"') |
625 | str_cat(opens,"\".'"); |
626 | str_cat(opens,"\".';\n"); |
627 | hstore(symtab,tokenbuf,str_make("x")); |
628 | } |
629 | safefree(s); |
630 | safefree(d); |
631 | str_set(tmpstr,"'"); |
632 | str_cat(tmpstr,tokenbuf); |
633 | str_cat(tmpstr,"'"); |
634 | } |
635 | if (*fstr->str_ptr == '|') |
636 | str_cat(tmpstr,", '|'"); |
637 | str_free(fstr); |
638 | } |
639 | else |
640 | tmpstr = str_make(""); |
641 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); |
642 | str_cat(str,tokenbuf); |
643 | str_free(tmpstr); |
644 | if (useval) |
645 | str_cat(str,",$getline_ok)"); |
646 | saw_getline |= 1 << len; |
8d063cd8 |
647 | break; |
648 | case OSPRINTF: |
649 | str = str_new(0); |
650 | str_set(str,"sprintf("); |
a687059c |
651 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
652 | str_free(fstr); |
653 | str_cat(str,")"); |
654 | break; |
655 | case OSUBSTR: |
656 | str = str_new(0); |
657 | str_set(str,"substr("); |
a687059c |
658 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
659 | str_free(fstr); |
660 | str_cat(str,", "); |
a687059c |
661 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
662 | str_free(fstr); |
663 | str_cat(str,", "); |
664 | if (len == 3) { |
a687059c |
665 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
666 | str_free(fstr); |
667 | } |
668 | else |
669 | str_cat(str,"999999"); |
670 | str_cat(str,")"); |
671 | break; |
672 | case OSTRING: |
673 | str = str_new(0); |
674 | str_set(str,ops[node+1].cval); |
675 | break; |
676 | case OSPLIT: |
677 | str = str_new(0); |
55204971 |
678 | limit = ", 9999)"; |
8d063cd8 |
679 | numeric = 1; |
a687059c |
680 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
681 | if (useval) |
682 | str_set(str,"(@"); |
683 | else |
684 | str_set(str,"@"); |
685 | str_scat(str,tmpstr); |
686 | str_cat(str," = split("); |
687 | if (len == 3) { |
a687059c |
688 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
8d063cd8 |
689 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
690 | i = fstr->str_ptr[1] & 127; |
a0d0e21e |
691 | if (strchr("*+?.[]()|^$\\",i)) |
8d063cd8 |
692 | sprintf(tokenbuf,"/\\%c/",i); |
20188a90 |
693 | else if (i == ' ') |
62b28dd9 |
694 | sprintf(tokenbuf,"' '"); |
8d063cd8 |
695 | else |
696 | sprintf(tokenbuf,"/%c/",i); |
697 | str_cat(str,tokenbuf); |
698 | } |
699 | else |
700 | str_scat(str,fstr); |
701 | str_free(fstr); |
702 | } |
703 | else if (const_FS) { |
704 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); |
705 | str_cat(str,tokenbuf); |
706 | } |
707 | else if (saw_FS) |
708 | str_cat(str,"$FS"); |
55204971 |
709 | else { |
9bb9d9f7 |
710 | str_cat(str,"' '"); |
55204971 |
711 | limit = ")"; |
712 | } |
8d063cd8 |
713 | str_cat(str,", "); |
a687059c |
714 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
715 | str_free(fstr); |
55204971 |
716 | str_cat(str,limit); |
8d063cd8 |
717 | if (useval) { |
718 | str_cat(str,")"); |
719 | } |
720 | str_free(tmpstr); |
721 | break; |
722 | case OINDEX: |
723 | str = str_new(0); |
724 | str_set(str,"index("); |
a687059c |
725 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
726 | str_free(fstr); |
727 | str_cat(str,", "); |
a687059c |
728 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
729 | str_free(fstr); |
730 | str_cat(str,")"); |
731 | numeric = 1; |
732 | break; |
a687059c |
733 | case OMATCH: |
734 | str = str_new(0); |
735 | prec = P_ANDAND; |
736 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); |
737 | str_free(fstr); |
738 | str_cat(str," =~ "); |
739 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); |
740 | str_free(fstr); |
741 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); |
742 | numeric = 1; |
743 | break; |
744 | case OUSERDEF: |
745 | str = str_new(0); |
746 | subretnum = FALSE; |
747 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); |
748 | curargs = str_new(0); |
749 | str_sset(curargs,fstr); |
750 | str_cat(curargs,","); |
751 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); |
752 | str_free(curargs); |
753 | curargs = Nullstr; |
754 | level--; |
755 | subretnum |= numarg; |
756 | s = Nullch; |
757 | t = tmp2str->str_ptr; |
b7953727 |
758 | while ((t = instr(t,"return "))) |
a687059c |
759 | s = t++; |
760 | if (s) { |
761 | i = 0; |
762 | for (t = s+7; *t; t++) { |
763 | if (*t == ';' || *t == '}') |
764 | i++; |
765 | } |
766 | if (i == 1) { |
767 | strcpy(s,s+7); |
768 | tmp2str->str_cur -= 7; |
769 | } |
770 | } |
771 | str_set(str,"\n"); |
772 | tab(str,level); |
773 | str_cat(str,"sub "); |
774 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
775 | str_cat(str," {\n"); |
776 | tab(str,++level); |
777 | if (fstr->str_cur) { |
778 | str_cat(str,"local("); |
779 | str_scat(str,fstr); |
780 | str_cat(str,") = @_;"); |
781 | } |
782 | str_free(fstr); |
783 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
784 | str_free(fstr); |
785 | fixtab(str,level); |
786 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); |
787 | str_free(fstr); |
788 | fixtab(str,level); |
789 | str_scat(str,tmp2str); |
790 | str_free(tmp2str); |
791 | fixtab(str,--level); |
792 | str_cat(str,"}\n"); |
793 | tab(str,level); |
794 | str_scat(subs,str); |
795 | str_set(str,""); |
796 | str_cat(tmpstr,"("); |
797 | tmp2str = str_new(0); |
798 | if (subretnum) |
799 | str_set(tmp2str,"1"); |
800 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
801 | str_free(tmpstr); |
802 | level++; |
803 | break; |
804 | case ORETURN: |
805 | str = str_new(0); |
806 | if (len > 0) { |
807 | str_cat(str,"return "); |
808 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); |
809 | str_free(fstr); |
810 | if (numarg) |
811 | subretnum = TRUE; |
812 | } |
813 | else |
814 | str_cat(str,"return"); |
815 | break; |
816 | case OUSERFUN: |
817 | str = str_new(0); |
818 | str_set(str,"&"); |
819 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
820 | str_free(fstr); |
821 | str_cat(str,"("); |
822 | tmpstr = hfetch(symtab,str->str_ptr+3); |
823 | if (tmpstr && tmpstr->str_ptr) |
824 | numeric |= atoi(tmpstr->str_ptr); |
825 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
826 | str_free(fstr); |
827 | str_cat(str,")"); |
828 | break; |
829 | case OGSUB: |
0335b3e4 |
830 | case OSUB: { |
831 | int gsub = type == OGSUB ? 1 : 0; |
a687059c |
832 | str = str_new(0); |
833 | tmpstr = str_new(0); |
834 | i = 0; |
835 | if (len == 3) { |
836 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); |
837 | if (strNE(tmpstr->str_ptr,"$_")) { |
838 | str_cat(tmpstr, " =~ s"); |
839 | i++; |
840 | } |
841 | else |
842 | str_set(tmpstr, "s"); |
843 | } |
844 | else |
845 | str_set(tmpstr, "s"); |
846 | type = ops[ops[node+2].ival].ival; |
847 | len = type >> 8; |
848 | type &= 255; |
849 | tmp3str = str_new(0); |
850 | if (type == OSTR) { |
851 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
852 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { |
853 | if (*t == '&') |
c5cf9ec2 |
854 | *d++ = '$' + (char)128; |
a687059c |
855 | else if (*t == '$') |
c5cf9ec2 |
856 | *d++ = '\\' + (char)128; |
a687059c |
857 | *d = *t + 128; |
858 | } |
859 | *d = '\0'; |
860 | str_set(tmp2str,tokenbuf); |
0335b3e4 |
861 | s = gsub ? "/g" : "/"; |
a687059c |
862 | } |
863 | else { |
864 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
865 | str_set(tmp3str,"($s_ = '\"'.("); |
866 | str_scat(tmp3str,tmp2str); |
867 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); |
868 | str_set(tmp2str,"eval $s_"); |
0335b3e4 |
869 | s = gsub ? "/ge" : "/e"; |
a687059c |
870 | i++; |
871 | } |
0335b3e4 |
872 | str_cat(tmp2str,s); |
a687059c |
873 | type = ops[ops[node+1].ival].ival; |
874 | len = type >> 8; |
875 | type &= 255; |
876 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
877 | if (type == OREGEX) { |
878 | if (useval && i) |
879 | str_cat(str,"("); |
880 | str_scat(str,tmp3str); |
881 | str_scat(str,tmpstr); |
882 | str_scat(str,fstr); |
883 | str_scat(str,tmp2str); |
a687059c |
884 | } |
885 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { |
886 | if (useval && i) |
887 | str_cat(str,"("); |
888 | str_scat(str,tmp3str); |
889 | str_scat(str,tmpstr); |
890 | str_cat(str,"/"); |
891 | str_scat(str,fstr); |
892 | str_cat(str,"/"); |
893 | str_scat(str,tmp2str); |
a687059c |
894 | } |
895 | else { |
896 | i++; |
897 | if (useval) |
898 | str_cat(str,"("); |
899 | str_cat(str,"$s = "); |
900 | str_scat(str,fstr); |
901 | str_cat(str,", "); |
902 | str_scat(str,tmp3str); |
903 | str_scat(str,tmpstr); |
904 | str_cat(str,"/$s/"); |
905 | str_scat(str,tmp2str); |
a687059c |
906 | } |
907 | if (useval && i) |
908 | str_cat(str,")"); |
909 | str_free(fstr); |
910 | str_free(tmpstr); |
911 | str_free(tmp2str); |
912 | str_free(tmp3str); |
913 | numeric = 1; |
0335b3e4 |
914 | break; } |
8d063cd8 |
915 | case ONUM: |
a687059c |
916 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
917 | numeric = 1; |
918 | break; |
919 | case OSTR: |
a687059c |
920 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
921 | s = "'"; |
378cc40b |
922 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
923 | if (*t == '\'') |
924 | s = "\""; |
925 | else if (*t == '\\') { |
8d063cd8 |
926 | s = "\""; |
378cc40b |
927 | *d++ = *t++ + 128; |
928 | switch (*t) { |
fe14fcc3 |
929 | case '\\': case '"': case 'n': case 't': case '$': |
378cc40b |
930 | break; |
931 | default: /* hide this from perl */ |
c5cf9ec2 |
932 | *d++ = '\\' + (char)128; |
378cc40b |
933 | } |
934 | } |
935 | *d = *t + 128; |
8d063cd8 |
936 | } |
378cc40b |
937 | *d = '\0'; |
8d063cd8 |
938 | str = str_new(0); |
939 | str_set(str,s); |
378cc40b |
940 | str_cat(str,tokenbuf); |
8d063cd8 |
941 | str_free(tmpstr); |
942 | str_cat(str,s); |
943 | break; |
a687059c |
944 | case ODEFINED: |
945 | prec = P_UNI; |
946 | str = str_new(0); |
947 | str_set(str,"defined $"); |
948 | goto addvar; |
949 | case ODELETE: |
950 | str = str_new(0); |
951 | str_set(str,"delete $"); |
952 | goto addvar; |
953 | case OSTAR: |
954 | str = str_new(0); |
955 | str_set(str,"*"); |
956 | goto addvar; |
8d063cd8 |
957 | case OVAR: |
958 | str = str_new(0); |
959 | str_set(str,"$"); |
a687059c |
960 | addvar: |
961 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
962 | if (len == 1) { |
963 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
964 | if (tmp2str && atoi(tmp2str->str_ptr)) |
965 | numeric = 2; |
a687059c |
966 | if (strEQ(str->str_ptr,"$FNR")) { |
967 | numeric = 1; |
968 | saw_FNR++; |
969 | str_set(str,"($.-$FNRbase)"); |
970 | } |
971 | else if (strEQ(str->str_ptr,"$NR")) { |
8d063cd8 |
972 | numeric = 1; |
973 | str_set(str,"$."); |
974 | } |
975 | else if (strEQ(str->str_ptr,"$NF")) { |
976 | numeric = 1; |
977 | str_set(str,"$#Fld"); |
978 | } |
979 | else if (strEQ(str->str_ptr,"$0")) |
980 | str_set(str,"$_"); |
a687059c |
981 | else if (strEQ(str->str_ptr,"$ARGC")) |
982 | str_set(str,"($#ARGV+1)"); |
8d063cd8 |
983 | } |
984 | else { |
a687059c |
985 | #ifdef NOTDEF |
986 | if (curargs) { |
987 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); |
988 | ??? if (instr(curargs->str_ptr,tokenbuf)) |
989 | str_cat(str,"\377"); /* can't translate yet */ |
990 | } |
991 | #endif |
8d063cd8 |
992 | str_cat(tmpstr,"[]"); |
993 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
994 | if (tmp2str && atoi(tmp2str->str_ptr)) |
995 | str_cat(str,"["); |
996 | else |
997 | str_cat(str,"{"); |
a687059c |
998 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
999 | str_free(fstr); |
a687059c |
1000 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
1001 | str_set(str,"$ARGV0"); |
1002 | saw_argv0++; |
1003 | } |
1004 | else { |
1005 | if (tmp2str && atoi(tmp2str->str_ptr)) |
1006 | strcpy(tokenbuf,"]"); |
1007 | else |
1008 | strcpy(tokenbuf,"}"); |
c5cf9ec2 |
1009 | *tokenbuf += (char)128; |
a687059c |
1010 | str_cat(str,tokenbuf); |
1011 | } |
8d063cd8 |
1012 | } |
1013 | str_free(tmpstr); |
1014 | break; |
1015 | case OFLD: |
1016 | str = str_new(0); |
1017 | if (split_to_array) { |
1018 | str_set(str,"$Fld"); |
1019 | str_cat(str,"["); |
a687059c |
1020 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1021 | str_free(fstr); |
1022 | str_cat(str,"]"); |
1023 | } |
1024 | else { |
a687059c |
1025 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
8d063cd8 |
1026 | if (i <= arymax) |
1027 | sprintf(tokenbuf,"$%s",nameary[i]); |
1028 | else |
1029 | sprintf(tokenbuf,"$Fld%d",i); |
1030 | str_set(str,tokenbuf); |
1031 | } |
1032 | break; |
1033 | case OVFLD: |
1034 | str = str_new(0); |
1035 | str_set(str,"$Fld["); |
1036 | i = ops[node+1].ival; |
1037 | if ((ops[i].ival & 255) == OPAREN) |
1038 | i = ops[i+1].ival; |
a687059c |
1039 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
8d063cd8 |
1040 | str_scat(str,tmpstr); |
1041 | str_free(tmpstr); |
1042 | str_cat(str,"]"); |
1043 | break; |
1044 | case OJUNK: |
1045 | goto def; |
1046 | case OSNEWLINE: |
1047 | str = str_new(2); |
1048 | str_set(str,";\n"); |
1049 | tab(str,level); |
1050 | break; |
1051 | case ONEWLINE: |
1052 | str = str_new(1); |
1053 | str_set(str,"\n"); |
1054 | tab(str,level); |
1055 | break; |
1056 | case OSCOMMENT: |
1057 | str = str_new(0); |
1058 | str_set(str,";"); |
a687059c |
1059 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1060 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
c5cf9ec2 |
1061 | *s += (char)128; |
8d063cd8 |
1062 | str_scat(str,tmpstr); |
1063 | str_free(tmpstr); |
1064 | tab(str,level); |
1065 | break; |
1066 | case OCOMMENT: |
1067 | str = str_new(0); |
a687059c |
1068 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1069 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
c5cf9ec2 |
1070 | *s += (char)128; |
8d063cd8 |
1071 | str_scat(str,tmpstr); |
1072 | str_free(tmpstr); |
1073 | tab(str,level); |
1074 | break; |
1075 | case OCOMMA: |
a687059c |
1076 | prec = P_COMMA; |
1077 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
1078 | str_cat(str,", "); |
a687059c |
1079 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
1080 | str_free(fstr); |
1081 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
1082 | str_free(fstr); |
1083 | break; |
1084 | case OSEMICOLON: |
1085 | str = str_new(1); |
a687059c |
1086 | str_set(str,";\n"); |
1087 | tab(str,level); |
8d063cd8 |
1088 | break; |
1089 | case OSTATES: |
a687059c |
1090 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1091 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1092 | str_free(fstr); |
1093 | break; |
1094 | case OSTATE: |
1095 | str = str_new(0); |
1096 | if (len >= 1) { |
a687059c |
1097 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1098 | str_free(fstr); |
1099 | if (len >= 2) { |
a687059c |
1100 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1101 | if (*tmpstr->str_ptr == ';') { |
1102 | addsemi(str); |
1103 | str_cat(str,tmpstr->str_ptr+1); |
1104 | } |
1105 | str_free(tmpstr); |
1106 | } |
1107 | } |
1108 | break; |
a687059c |
1109 | case OCLOSE: |
1110 | str = str_make("close("); |
1111 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
1112 | if (!do_fancy_opens) { |
1113 | t = tmpstr->str_ptr; |
1114 | if (*t == '"' || *t == '\'') |
1115 | t = cpytill(tokenbuf,t+1,*t); |
1116 | else |
1117 | fatal("Internal error: OCLOSE %s",t); |
1118 | s = savestr(tokenbuf); |
1119 | for (t = tokenbuf; *t; t++) { |
1120 | *t &= 127; |
3f939f22 |
1121 | if (isLOWER(*t)) |
1122 | *t = toUPPER(*t); |
1123 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
1124 | *t = '_'; |
1125 | } |
a0d0e21e |
1126 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1127 | strcpy(t,"_FH"); |
a687059c |
1128 | str_free(tmpstr); |
1129 | safefree(s); |
1130 | str_set(str,"close "); |
1131 | str_cat(str,tokenbuf); |
1132 | } |
1133 | else { |
7c0587c8 |
1134 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
1135 | tmpstr->str_ptr, tmpstr->str_ptr); |
a687059c |
1136 | str_free(tmpstr); |
1137 | str_set(str,tokenbuf); |
1138 | } |
1139 | break; |
8d063cd8 |
1140 | case OPRINTF: |
1141 | case OPRINT: |
378cc40b |
1142 | lparen = ""; /* set to parens if necessary */ |
1143 | rparen = ""; |
8d063cd8 |
1144 | str = str_new(0); |
1145 | if (len == 3) { /* output redirection */ |
a687059c |
1146 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
1147 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1148 | if (!do_fancy_opens) { |
1149 | t = tmpstr->str_ptr; |
1150 | if (*t == '"' || *t == '\'') |
1151 | t = cpytill(tokenbuf,t+1,*t); |
1152 | else |
1153 | fatal("Internal error: OPRINT"); |
1154 | d = savestr(t); |
1155 | s = savestr(tokenbuf); |
1156 | for (t = tokenbuf; *t; t++) { |
1157 | *t &= 127; |
3f939f22 |
1158 | if (isLOWER(*t)) |
1159 | *t = toUPPER(*t); |
1160 | if (!isALPHA(*t) && !isDIGIT(*t)) |
8d063cd8 |
1161 | *t = '_'; |
1162 | } |
a0d0e21e |
1163 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1164 | strcpy(t,"_FH"); |
a687059c |
1165 | tmp3str = hfetch(symtab,tokenbuf); |
1166 | if (!tmp3str) { |
1167 | str_cat(opens,"open("); |
1168 | str_cat(opens,tokenbuf); |
1169 | str_cat(opens,", "); |
1170 | d[1] = '\0'; |
1171 | str_cat(opens,d); |
1172 | str_scat(opens,tmp2str); |
1173 | str_cat(opens,tmpstr->str_ptr+1); |
1174 | if (*tmp2str->str_ptr == '|') |
1175 | str_cat(opens,") || die 'Cannot pipe to \""); |
1176 | else |
1177 | str_cat(opens,") || die 'Cannot create file \""); |
1178 | if (*d == '"') |
1179 | str_cat(opens,"'.\""); |
1180 | str_cat(opens,s); |
1181 | if (*d == '"') |
1182 | str_cat(opens,"\".'"); |
1183 | str_cat(opens,"\".';\n"); |
1184 | hstore(symtab,tokenbuf,str_make("x")); |
1185 | } |
8d063cd8 |
1186 | str_free(tmpstr); |
1187 | str_free(tmp2str); |
1188 | safefree(s); |
1189 | safefree(d); |
1190 | } |
1191 | else { |
a687059c |
1192 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
8d063cd8 |
1193 | tmp2str->str_ptr, tmpstr->str_ptr); |
1194 | str_cat(str,tokenbuf); |
1195 | tab(str,level+1); |
a687059c |
1196 | strcpy(tokenbuf,"$fh"); |
8d063cd8 |
1197 | str_free(tmpstr); |
1198 | str_free(tmp2str); |
378cc40b |
1199 | lparen = "("; |
1200 | rparen = ")"; |
8d063cd8 |
1201 | } |
1202 | } |
1203 | else |
a687059c |
1204 | strcpy(tokenbuf,""); |
378cc40b |
1205 | str_cat(str,lparen); /* may be null */ |
8d063cd8 |
1206 | if (type == OPRINTF) |
1207 | str_cat(str,"printf"); |
1208 | else |
1209 | str_cat(str,"print"); |
d48672a2 |
1210 | saw_fh = 0; |
8d063cd8 |
1211 | if (len == 3 || do_fancy_opens) { |
d48672a2 |
1212 | if (*tokenbuf) { |
8d063cd8 |
1213 | str_cat(str," "); |
d48672a2 |
1214 | saw_fh = 1; |
1215 | } |
8d063cd8 |
1216 | str_cat(str,tokenbuf); |
1217 | } |
a687059c |
1218 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1219 | if (!*tmpstr->str_ptr && lval_field) { |
2b260de0 |
1220 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1221 | if (split_to_array) { |
1222 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1223 | str_cat(tmpstr,tokenbuf); |
1224 | } |
1225 | else { |
1226 | for (i = 1; i < maxfld; i++) { |
1227 | if (i <= arymax) |
1228 | sprintf(tokenbuf,"$%s, ",nameary[i]); |
1229 | else |
1230 | sprintf(tokenbuf,"$Fld%d, ",i); |
1231 | str_cat(tmpstr,tokenbuf); |
1232 | } |
1233 | if (maxfld <= arymax) |
1234 | sprintf(tokenbuf,"$%s",nameary[maxfld]); |
1235 | else |
1236 | sprintf(tokenbuf,"$Fld%d",maxfld); |
1237 | str_cat(tmpstr,tokenbuf); |
1238 | } |
1239 | } |
1240 | if (*tmpstr->str_ptr) { |
1241 | str_cat(str," "); |
d48672a2 |
1242 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
1243 | str_cat(str,"("); |
1244 | str_scat(str,tmpstr); |
1245 | str_cat(str,")"); |
1246 | } |
1247 | else |
1248 | str_scat(str,tmpstr); |
8d063cd8 |
1249 | } |
1250 | else { |
1251 | str_cat(str," $_"); |
1252 | } |
378cc40b |
1253 | str_cat(str,rparen); /* may be null */ |
8d063cd8 |
1254 | str_free(tmpstr); |
1255 | break; |
a687059c |
1256 | case ORAND: |
1257 | str = str_make("rand(1)"); |
1258 | break; |
1259 | case OSRAND: |
1260 | str = str_make("srand("); |
1261 | goto maybe0; |
1262 | case OATAN2: |
1263 | str = str_make("atan2("); |
1264 | goto maybe0; |
1265 | case OSIN: |
1266 | str = str_make("sin("); |
1267 | goto maybe0; |
1268 | case OCOS: |
1269 | str = str_make("cos("); |
1270 | goto maybe0; |
1271 | case OSYSTEM: |
1272 | str = str_make("system("); |
1273 | goto maybe0; |
8d063cd8 |
1274 | case OLENGTH: |
1275 | str = str_make("length("); |
1276 | goto maybe0; |
1277 | case OLOG: |
1278 | str = str_make("log("); |
1279 | goto maybe0; |
1280 | case OEXP: |
1281 | str = str_make("exp("); |
1282 | goto maybe0; |
1283 | case OSQRT: |
1284 | str = str_make("sqrt("); |
1285 | goto maybe0; |
1286 | case OINT: |
1287 | str = str_make("int("); |
1288 | maybe0: |
1289 | numeric = 1; |
1290 | if (len > 0) |
a687059c |
1291 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1292 | else |
db7c17d7 |
1293 | tmpstr = str_new(0); |
fe14fcc3 |
1294 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
8d063cd8 |
1295 | if (lval_field) { |
2b260de0 |
1296 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1297 | if (split_to_array) { |
1298 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1299 | str_cat(tmpstr,tokenbuf); |
1300 | } |
1301 | else { |
1302 | sprintf(tokenbuf,"join(%s, ",t); |
1303 | str_cat(tmpstr,tokenbuf); |
1304 | for (i = 1; i < maxfld; i++) { |
1305 | if (i <= arymax) |
1306 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1307 | else |
1308 | sprintf(tokenbuf,"$Fld%d,",i); |
1309 | str_cat(tmpstr,tokenbuf); |
1310 | } |
1311 | if (maxfld <= arymax) |
1312 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1313 | else |
1314 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1315 | str_cat(tmpstr,tokenbuf); |
1316 | } |
1317 | } |
1318 | else |
1319 | str_cat(tmpstr,"$_"); |
1320 | } |
1321 | if (strEQ(tmpstr->str_ptr,"$_")) { |
1322 | if (type == OLENGTH && !do_chop) { |
1323 | str = str_make("(length("); |
1324 | str_cat(tmpstr,") - 1"); |
1325 | } |
1326 | } |
1327 | str_scat(str,tmpstr); |
1328 | str_free(tmpstr); |
1329 | str_cat(str,")"); |
1330 | break; |
1331 | case OBREAK: |
1332 | str = str_new(0); |
1333 | str_set(str,"last"); |
1334 | break; |
1335 | case ONEXT: |
1336 | str = str_new(0); |
1337 | str_set(str,"next line"); |
1338 | break; |
1339 | case OEXIT: |
1340 | str = str_new(0); |
1341 | if (realexit) { |
a687059c |
1342 | prec = P_UNI; |
8d063cd8 |
1343 | str_set(str,"exit"); |
1344 | if (len == 1) { |
1345 | str_cat(str," "); |
1346 | exitval = TRUE; |
a687059c |
1347 | str_scat(str, |
1348 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
1349 | str_free(fstr); |
1350 | } |
1351 | } |
1352 | else { |
1353 | if (len == 1) { |
9f68db38 |
1354 | str_set(str,"$ExitValue = "); |
8d063cd8 |
1355 | exitval = TRUE; |
a687059c |
1356 | str_scat(str, |
1357 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); |
8d063cd8 |
1358 | str_free(fstr); |
1359 | str_cat(str,"; "); |
1360 | } |
1361 | str_cat(str,"last line"); |
1362 | } |
1363 | break; |
1364 | case OCONTINUE: |
1365 | str = str_new(0); |
1366 | str_set(str,"next"); |
1367 | break; |
1368 | case OREDIR: |
1369 | goto def; |
1370 | case OIF: |
1371 | str = str_new(0); |
1372 | str_set(str,"if ("); |
a687059c |
1373 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1374 | str_free(fstr); |
1375 | str_cat(str,") "); |
a687059c |
1376 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1377 | str_free(fstr); |
1378 | if (len == 3) { |
1379 | i = ops[node+3].ival; |
1380 | if (i) { |
1381 | if ((ops[i].ival & 255) == OBLOCK) { |
1382 | i = ops[i+1].ival; |
1383 | if (i) { |
1384 | if ((ops[i].ival & 255) != OIF) |
1385 | i = 0; |
1386 | } |
1387 | } |
1388 | else |
1389 | i = 0; |
1390 | } |
1391 | if (i) { |
1392 | str_cat(str,"els"); |
a687059c |
1393 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
8d063cd8 |
1394 | str_free(fstr); |
1395 | } |
1396 | else { |
1397 | str_cat(str,"else "); |
a687059c |
1398 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1399 | str_free(fstr); |
1400 | } |
1401 | } |
1402 | break; |
1403 | case OWHILE: |
1404 | str = str_new(0); |
1405 | str_set(str,"while ("); |
a687059c |
1406 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1407 | str_free(fstr); |
1408 | str_cat(str,") "); |
a687059c |
1409 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1410 | str_free(fstr); |
1411 | break; |
7c0587c8 |
1412 | case ODO: |
1413 | str = str_new(0); |
1414 | str_set(str,"do "); |
1415 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
1416 | str_free(fstr); |
1417 | if (str->str_ptr[str->str_cur - 1] == '\n') |
db7c17d7 |
1418 | --str->str_cur; |
7c0587c8 |
1419 | str_cat(str," while ("); |
1420 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1421 | str_free(fstr); |
1422 | str_cat(str,");"); |
1423 | break; |
8d063cd8 |
1424 | case OFOR: |
1425 | str = str_new(0); |
1426 | str_set(str,"for ("); |
a687059c |
1427 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1428 | i = numarg; |
1429 | if (i) { |
1430 | t = s = tmpstr->str_ptr; |
3f939f22 |
1431 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_') |
8d063cd8 |
1432 | t++; |
1433 | i = t - s; |
1434 | if (i < 2) |
1435 | i = 0; |
1436 | } |
1437 | str_cat(str,"; "); |
a687059c |
1438 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
a0d0e21e |
1439 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
8d063cd8 |
1440 | if (strnEQ(fstr->str_ptr,s,i)) |
1441 | *t = ' '; |
1442 | } |
1443 | str_scat(str,fstr); |
1444 | str_free(fstr); |
1445 | str_free(tmpstr); |
1446 | str_cat(str,"; "); |
a687059c |
1447 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1448 | str_free(fstr); |
1449 | str_cat(str,") "); |
a687059c |
1450 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
1451 | str_free(fstr); |
1452 | break; |
1453 | case OFORIN: |
a687059c |
1454 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
a0d0e21e |
1455 | d = strchr(tmpstr->str_ptr,'$'); |
a687059c |
1456 | if (!d) |
1457 | fatal("Illegal for loop: %s",tmpstr->str_ptr); |
a0d0e21e |
1458 | s = strchr(d,'{'); |
a687059c |
1459 | if (!s) |
a0d0e21e |
1460 | s = strchr(d,'['); |
a687059c |
1461 | if (!s) |
1462 | fatal("Illegal for loop: %s",d); |
1463 | *s++ = '\0'; |
b7953727 |
1464 | for (t = s; (i = *t); t++) { |
ffed7fef |
1465 | i &= 127; |
1466 | if (i == '}' || i == ']') |
1467 | break; |
1468 | } |
1469 | if (*t) |
a687059c |
1470 | *t = '\0'; |
8d063cd8 |
1471 | str = str_new(0); |
a687059c |
1472 | str_set(str,d+1); |
8d063cd8 |
1473 | str_cat(str,"[]"); |
1474 | tmp2str = hfetch(symtab,str->str_ptr); |
1475 | if (tmp2str && atoi(tmp2str->str_ptr)) { |
8d063cd8 |
1476 | sprintf(tokenbuf, |
62b28dd9 |
1477 | "foreach %s ($[ .. $#%s) ", |
a687059c |
1478 | s, |
1479 | d+1); |
8d063cd8 |
1480 | } |
1481 | else { |
a687059c |
1482 | sprintf(tokenbuf, |
1483 | "foreach %s (keys %%%s) ", |
1484 | s, |
1485 | d+1); |
8d063cd8 |
1486 | } |
a687059c |
1487 | str_set(str,tokenbuf); |
1488 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1489 | str_free(fstr); |
8d063cd8 |
1490 | str_free(tmpstr); |
1491 | break; |
1492 | case OBLOCK: |
1493 | str = str_new(0); |
1494 | str_set(str,"{"); |
378cc40b |
1495 | if (len >= 2 && ops[node+2].ival) { |
a687059c |
1496 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1497 | str_free(fstr); |
1498 | } |
1499 | fixtab(str,++level); |
a687059c |
1500 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1501 | str_free(fstr); |
1502 | addsemi(str); |
1503 | fixtab(str,--level); |
1504 | str_cat(str,"}\n"); |
1505 | tab(str,level); |
378cc40b |
1506 | if (len >= 3) { |
a687059c |
1507 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
378cc40b |
1508 | str_free(fstr); |
1509 | } |
8d063cd8 |
1510 | break; |
1511 | default: |
1512 | def: |
1513 | if (len) { |
1514 | if (len > 5) |
1515 | fatal("Garbage length in walk"); |
a687059c |
1516 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1517 | for (i = 2; i<= len; i++) { |
a687059c |
1518 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
8d063cd8 |
1519 | str_free(fstr); |
1520 | } |
1521 | } |
1522 | else { |
1523 | str = Nullstr; |
1524 | } |
1525 | break; |
1526 | } |
1527 | if (!str) |
1528 | str = str_new(0); |
a687059c |
1529 | |
1530 | if (useval && prec < minprec) { /* need parens? */ |
1531 | fstr = str_new(str->str_cur+2); |
1532 | str_nset(fstr,"(",1); |
1533 | str_scat(fstr,str); |
1534 | str_ncat(fstr,")",1); |
1535 | str_free(str); |
1536 | str = fstr; |
1537 | } |
1538 | |
8d063cd8 |
1539 | *numericptr = numeric; |
1540 | #ifdef DEBUGGING |
1541 | if (debug & 4) { |
1542 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); |
1543 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) |
1544 | if (*t == '\n') |
1545 | printf("\\n"); |
1546 | else if (*t == '\t') |
1547 | printf("\\t"); |
1548 | else |
1549 | putchar(*t); |
1550 | putchar('\n'); |
1551 | } |
1552 | #endif |
1553 | return str; |
1554 | } |
1555 | |
748a9306 |
1556 | static void |
f0f333f4 |
1557 | tab(register STR *str, register int lvl) |
8d063cd8 |
1558 | { |
1559 | while (lvl > 1) { |
1560 | str_cat(str,"\t"); |
1561 | lvl -= 2; |
1562 | } |
1563 | if (lvl) |
1564 | str_cat(str," "); |
1565 | } |
1566 | |
748a9306 |
1567 | static void |
f0f333f4 |
1568 | fixtab(register STR *str, register int lvl) |
8d063cd8 |
1569 | { |
1570 | register char *s; |
1571 | |
1572 | /* strip trailing white space */ |
1573 | |
1574 | s = str->str_ptr+str->str_cur - 1; |
a687059c |
1575 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
8d063cd8 |
1576 | s--; |
1577 | s[1] = '\0'; |
1578 | str->str_cur = s + 1 - str->str_ptr; |
1579 | if (s >= str->str_ptr && *s != '\n') |
1580 | str_cat(str,"\n"); |
1581 | |
1582 | tab(str,lvl); |
1583 | } |
1584 | |
748a9306 |
1585 | static void |
f0f333f4 |
1586 | addsemi(register STR *str) |
8d063cd8 |
1587 | { |
1588 | register char *s; |
1589 | |
1590 | s = str->str_ptr+str->str_cur - 1; |
1591 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
1592 | s--; |
1593 | if (s >= str->str_ptr && *s != ';' && *s != '}') |
1594 | str_cat(str,";"); |
1595 | } |
1596 | |
56febc5e |
1597 | static void |
f0f333f4 |
1598 | emit_split(register STR *str, int level) |
8d063cd8 |
1599 | { |
1600 | register int i; |
1601 | |
1602 | if (split_to_array) |
1603 | str_cat(str,"@Fld"); |
1604 | else { |
1605 | str_cat(str,"("); |
1606 | for (i = 1; i < maxfld; i++) { |
1607 | if (i <= arymax) |
1608 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1609 | else |
1610 | sprintf(tokenbuf,"$Fld%d,",i); |
1611 | str_cat(str,tokenbuf); |
1612 | } |
1613 | if (maxfld <= arymax) |
1614 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1615 | else |
1616 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1617 | str_cat(str,tokenbuf); |
1618 | } |
1619 | if (const_FS) { |
62b28dd9 |
1620 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
8d063cd8 |
1621 | str_cat(str,tokenbuf); |
1622 | } |
1623 | else if (saw_FS) |
62b28dd9 |
1624 | str_cat(str," = split($FS, $_, 9999);\n"); |
8d063cd8 |
1625 | else |
62b28dd9 |
1626 | str_cat(str," = split(' ', $_, 9999);\n"); |
8d063cd8 |
1627 | tab(str,level); |
1628 | } |
1629 | |
9c8d0b29 |
1630 | int |
f0f333f4 |
1631 | prewalk(int numit, int level, register int node, int *numericptr) |
8d063cd8 |
1632 | { |
1633 | register int len; |
1634 | register int type; |
1635 | register int i; |
8d063cd8 |
1636 | int numarg; |
1637 | int numeric = FALSE; |
a687059c |
1638 | STR *tmpstr; |
1639 | STR *tmp2str; |
8d063cd8 |
1640 | |
1641 | if (!node) { |
1642 | *numericptr = 0; |
1643 | return 0; |
1644 | } |
1645 | type = ops[node].ival; |
1646 | len = type >> 8; |
1647 | type &= 255; |
1648 | switch (type) { |
1649 | case OPROG: |
1650 | prewalk(0,level,ops[node+1].ival,&numarg); |
1651 | if (ops[node+2].ival) { |
1652 | prewalk(0,level,ops[node+2].ival,&numarg); |
1653 | } |
1654 | ++level; |
1655 | prewalk(0,level,ops[node+3].ival,&numarg); |
1656 | --level; |
1657 | if (ops[node+3].ival) { |
1658 | prewalk(0,level,ops[node+4].ival,&numarg); |
1659 | } |
1660 | break; |
1661 | case OHUNKS: |
1662 | prewalk(0,level,ops[node+1].ival,&numarg); |
1663 | prewalk(0,level,ops[node+2].ival,&numarg); |
1664 | if (len == 3) { |
1665 | prewalk(0,level,ops[node+3].ival,&numarg); |
1666 | } |
1667 | break; |
1668 | case ORANGE: |
1669 | prewalk(1,level,ops[node+1].ival,&numarg); |
1670 | prewalk(1,level,ops[node+2].ival,&numarg); |
1671 | break; |
1672 | case OPAT: |
1673 | goto def; |
1674 | case OREGEX: |
1675 | prewalk(0,level,ops[node+1].ival,&numarg); |
1676 | break; |
1677 | case OHUNK: |
1678 | if (len == 1) { |
1679 | prewalk(0,level,ops[node+1].ival,&numarg); |
1680 | } |
1681 | else { |
1682 | i = prewalk(0,level,ops[node+1].ival,&numarg); |
1683 | if (i) { |
1684 | ++level; |
1685 | prewalk(0,level,ops[node+2].ival,&numarg); |
1686 | --level; |
1687 | } |
1688 | else { |
1689 | prewalk(0,level,ops[node+2].ival,&numarg); |
1690 | } |
1691 | } |
1692 | break; |
1693 | case OPPAREN: |
1694 | prewalk(0,level,ops[node+1].ival,&numarg); |
1695 | break; |
1696 | case OPANDAND: |
1697 | prewalk(0,level,ops[node+1].ival,&numarg); |
1698 | prewalk(0,level,ops[node+2].ival,&numarg); |
1699 | break; |
1700 | case OPOROR: |
1701 | prewalk(0,level,ops[node+1].ival,&numarg); |
1702 | prewalk(0,level,ops[node+2].ival,&numarg); |
1703 | break; |
1704 | case OPNOT: |
1705 | prewalk(0,level,ops[node+1].ival,&numarg); |
1706 | break; |
1707 | case OCPAREN: |
1708 | prewalk(0,level,ops[node+1].ival,&numarg); |
1709 | numeric |= numarg; |
1710 | break; |
1711 | case OCANDAND: |
1712 | prewalk(0,level,ops[node+1].ival,&numarg); |
1713 | numeric = 1; |
1714 | prewalk(0,level,ops[node+2].ival,&numarg); |
1715 | break; |
1716 | case OCOROR: |
1717 | prewalk(0,level,ops[node+1].ival,&numarg); |
1718 | numeric = 1; |
1719 | prewalk(0,level,ops[node+2].ival,&numarg); |
1720 | break; |
1721 | case OCNOT: |
1722 | prewalk(0,level,ops[node+1].ival,&numarg); |
1723 | numeric = 1; |
1724 | break; |
1725 | case ORELOP: |
1726 | prewalk(0,level,ops[node+2].ival,&numarg); |
1727 | numeric |= numarg; |
1728 | prewalk(0,level,ops[node+1].ival,&numarg); |
1729 | prewalk(0,level,ops[node+3].ival,&numarg); |
1730 | numeric |= numarg; |
1731 | numeric = 1; |
1732 | break; |
1733 | case ORPAREN: |
1734 | prewalk(0,level,ops[node+1].ival,&numarg); |
1735 | numeric |= numarg; |
1736 | break; |
1737 | case OMATCHOP: |
1738 | prewalk(0,level,ops[node+2].ival,&numarg); |
1739 | prewalk(0,level,ops[node+1].ival,&numarg); |
1740 | prewalk(0,level,ops[node+3].ival,&numarg); |
1741 | numeric = 1; |
1742 | break; |
1743 | case OMPAREN: |
1744 | prewalk(0,level,ops[node+1].ival,&numarg); |
1745 | numeric |= numarg; |
1746 | break; |
1747 | case OCONCAT: |
1748 | prewalk(0,level,ops[node+1].ival,&numarg); |
1749 | prewalk(0,level,ops[node+2].ival,&numarg); |
1750 | break; |
1751 | case OASSIGN: |
1752 | prewalk(0,level,ops[node+2].ival,&numarg); |
1753 | prewalk(0,level,ops[node+1].ival,&numarg); |
1754 | prewalk(0,level,ops[node+3].ival,&numarg); |
75f92628 |
1755 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
8d063cd8 |
1756 | numericize(ops[node+2].ival); |
1757 | if (!numarg) |
1758 | numericize(ops[node+3].ival); |
1759 | } |
1760 | numeric |= numarg; |
1761 | break; |
1762 | case OADD: |
1763 | prewalk(1,level,ops[node+1].ival,&numarg); |
1764 | prewalk(1,level,ops[node+2].ival,&numarg); |
1765 | numeric = 1; |
1766 | break; |
a687059c |
1767 | case OSUBTRACT: |
8d063cd8 |
1768 | prewalk(1,level,ops[node+1].ival,&numarg); |
1769 | prewalk(1,level,ops[node+2].ival,&numarg); |
1770 | numeric = 1; |
1771 | break; |
1772 | case OMULT: |
1773 | prewalk(1,level,ops[node+1].ival,&numarg); |
1774 | prewalk(1,level,ops[node+2].ival,&numarg); |
1775 | numeric = 1; |
1776 | break; |
1777 | case ODIV: |
1778 | prewalk(1,level,ops[node+1].ival,&numarg); |
1779 | prewalk(1,level,ops[node+2].ival,&numarg); |
1780 | numeric = 1; |
1781 | break; |
a687059c |
1782 | case OPOW: |
1783 | prewalk(1,level,ops[node+1].ival,&numarg); |
1784 | prewalk(1,level,ops[node+2].ival,&numarg); |
1785 | numeric = 1; |
1786 | break; |
8d063cd8 |
1787 | case OMOD: |
1788 | prewalk(1,level,ops[node+1].ival,&numarg); |
1789 | prewalk(1,level,ops[node+2].ival,&numarg); |
1790 | numeric = 1; |
1791 | break; |
1792 | case OPOSTINCR: |
1793 | prewalk(1,level,ops[node+1].ival,&numarg); |
1794 | numeric = 1; |
1795 | break; |
1796 | case OPOSTDECR: |
1797 | prewalk(1,level,ops[node+1].ival,&numarg); |
1798 | numeric = 1; |
1799 | break; |
1800 | case OPREINCR: |
1801 | prewalk(1,level,ops[node+1].ival,&numarg); |
1802 | numeric = 1; |
1803 | break; |
1804 | case OPREDECR: |
1805 | prewalk(1,level,ops[node+1].ival,&numarg); |
1806 | numeric = 1; |
1807 | break; |
1808 | case OUMINUS: |
1809 | prewalk(1,level,ops[node+1].ival,&numarg); |
1810 | numeric = 1; |
1811 | break; |
1812 | case OUPLUS: |
1813 | prewalk(1,level,ops[node+1].ival,&numarg); |
1814 | numeric = 1; |
1815 | break; |
1816 | case OPAREN: |
1817 | prewalk(0,level,ops[node+1].ival,&numarg); |
1818 | numeric |= numarg; |
1819 | break; |
1820 | case OGETLINE: |
1821 | break; |
1822 | case OSPRINTF: |
1823 | prewalk(0,level,ops[node+1].ival,&numarg); |
1824 | break; |
1825 | case OSUBSTR: |
1826 | prewalk(0,level,ops[node+1].ival,&numarg); |
1827 | prewalk(1,level,ops[node+2].ival,&numarg); |
1828 | if (len == 3) { |
1829 | prewalk(1,level,ops[node+3].ival,&numarg); |
1830 | } |
1831 | break; |
1832 | case OSTRING: |
1833 | break; |
1834 | case OSPLIT: |
1835 | numeric = 1; |
1836 | prewalk(0,level,ops[node+2].ival,&numarg); |
1837 | if (len == 3) |
1838 | prewalk(0,level,ops[node+3].ival,&numarg); |
1839 | prewalk(0,level,ops[node+1].ival,&numarg); |
1840 | break; |
1841 | case OINDEX: |
1842 | prewalk(0,level,ops[node+1].ival,&numarg); |
1843 | prewalk(0,level,ops[node+2].ival,&numarg); |
1844 | numeric = 1; |
1845 | break; |
a687059c |
1846 | case OMATCH: |
1847 | prewalk(0,level,ops[node+1].ival,&numarg); |
1848 | prewalk(0,level,ops[node+2].ival,&numarg); |
1849 | numeric = 1; |
1850 | break; |
1851 | case OUSERDEF: |
1852 | subretnum = FALSE; |
1853 | --level; |
1854 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1855 | ++level; |
1856 | prewalk(0,level,ops[node+2].ival,&numarg); |
1857 | prewalk(0,level,ops[node+4].ival,&numarg); |
1858 | prewalk(0,level,ops[node+5].ival,&numarg); |
1859 | --level; |
1860 | str_cat(tmpstr,"("); |
1861 | tmp2str = str_new(0); |
1862 | if (subretnum || numarg) |
1863 | str_set(tmp2str,"1"); |
1864 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
1865 | str_free(tmpstr); |
1866 | level++; |
1867 | break; |
1868 | case ORETURN: |
1869 | if (len > 0) { |
1870 | prewalk(0,level,ops[node+1].ival,&numarg); |
1871 | if (numarg) |
1872 | subretnum = TRUE; |
1873 | } |
1874 | break; |
1875 | case OUSERFUN: |
1876 | tmp2str = str_new(0); |
1877 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
663a0e37 |
1878 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
a687059c |
1879 | str_free(tmpstr); |
1880 | str_cat(tmp2str,"("); |
1881 | tmpstr = hfetch(symtab,tmp2str->str_ptr); |
1882 | if (tmpstr && tmpstr->str_ptr) |
1883 | numeric |= atoi(tmpstr->str_ptr); |
1884 | prewalk(0,level,ops[node+2].ival,&numarg); |
1885 | str_free(tmp2str); |
1886 | break; |
1887 | case OGSUB: |
1888 | case OSUB: |
1889 | if (len >= 3) |
1890 | prewalk(0,level,ops[node+3].ival,&numarg); |
1891 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); |
1892 | prewalk(0,level,ops[node+1].ival,&numarg); |
1893 | numeric = 1; |
1894 | break; |
8d063cd8 |
1895 | case ONUM: |
1896 | prewalk(0,level,ops[node+1].ival,&numarg); |
1897 | numeric = 1; |
1898 | break; |
1899 | case OSTR: |
1900 | prewalk(0,level,ops[node+1].ival,&numarg); |
1901 | break; |
a687059c |
1902 | case ODEFINED: |
1903 | case ODELETE: |
1904 | case OSTAR: |
8d063cd8 |
1905 | case OVAR: |
1906 | prewalk(0,level,ops[node+1].ival,&numarg); |
1907 | if (len == 1) { |
1908 | if (numit) |
1909 | numericize(node); |
1910 | } |
1911 | else { |
1912 | prewalk(0,level,ops[node+2].ival,&numarg); |
1913 | } |
1914 | break; |
1915 | case OFLD: |
1916 | prewalk(0,level,ops[node+1].ival,&numarg); |
1917 | break; |
1918 | case OVFLD: |
1919 | i = ops[node+1].ival; |
1920 | prewalk(0,level,i,&numarg); |
1921 | break; |
1922 | case OJUNK: |
1923 | goto def; |
1924 | case OSNEWLINE: |
1925 | break; |
1926 | case ONEWLINE: |
1927 | break; |
1928 | case OSCOMMENT: |
1929 | break; |
1930 | case OCOMMENT: |
1931 | break; |
1932 | case OCOMMA: |
1933 | prewalk(0,level,ops[node+1].ival,&numarg); |
1934 | prewalk(0,level,ops[node+2].ival,&numarg); |
a687059c |
1935 | prewalk(0,level,ops[node+3].ival,&numarg); |
8d063cd8 |
1936 | break; |
1937 | case OSEMICOLON: |
1938 | break; |
1939 | case OSTATES: |
1940 | prewalk(0,level,ops[node+1].ival,&numarg); |
1941 | prewalk(0,level,ops[node+2].ival,&numarg); |
1942 | break; |
1943 | case OSTATE: |
1944 | if (len >= 1) { |
1945 | prewalk(0,level,ops[node+1].ival,&numarg); |
1946 | if (len >= 2) { |
1947 | prewalk(0,level,ops[node+2].ival,&numarg); |
1948 | } |
1949 | } |
1950 | break; |
a687059c |
1951 | case OCLOSE: |
1952 | prewalk(0,level,ops[node+1].ival,&numarg); |
1953 | break; |
8d063cd8 |
1954 | case OPRINTF: |
1955 | case OPRINT: |
1956 | if (len == 3) { /* output redirection */ |
1957 | prewalk(0,level,ops[node+3].ival,&numarg); |
1958 | prewalk(0,level,ops[node+2].ival,&numarg); |
1959 | } |
1960 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); |
1961 | break; |
a687059c |
1962 | case ORAND: |
1963 | break; |
1964 | case OSRAND: |
1965 | goto maybe0; |
1966 | case OATAN2: |
1967 | goto maybe0; |
1968 | case OSIN: |
1969 | goto maybe0; |
1970 | case OCOS: |
1971 | goto maybe0; |
1972 | case OSYSTEM: |
1973 | goto maybe0; |
8d063cd8 |
1974 | case OLENGTH: |
1975 | goto maybe0; |
1976 | case OLOG: |
1977 | goto maybe0; |
1978 | case OEXP: |
1979 | goto maybe0; |
1980 | case OSQRT: |
1981 | goto maybe0; |
1982 | case OINT: |
1983 | maybe0: |
1984 | numeric = 1; |
1985 | if (len > 0) |
a687059c |
1986 | prewalk(type != OLENGTH && type != OSYSTEM, |
1987 | level,ops[node+1].ival,&numarg); |
8d063cd8 |
1988 | break; |
1989 | case OBREAK: |
1990 | break; |
1991 | case ONEXT: |
1992 | break; |
1993 | case OEXIT: |
1994 | if (len == 1) { |
1995 | prewalk(1,level,ops[node+1].ival,&numarg); |
1996 | } |
1997 | break; |
1998 | case OCONTINUE: |
1999 | break; |
2000 | case OREDIR: |
2001 | goto def; |
2002 | case OIF: |
2003 | prewalk(0,level,ops[node+1].ival,&numarg); |
2004 | prewalk(0,level,ops[node+2].ival,&numarg); |
2005 | if (len == 3) { |
2006 | prewalk(0,level,ops[node+3].ival,&numarg); |
2007 | } |
2008 | break; |
2009 | case OWHILE: |
2010 | prewalk(0,level,ops[node+1].ival,&numarg); |
2011 | prewalk(0,level,ops[node+2].ival,&numarg); |
2012 | break; |
2013 | case OFOR: |
2014 | prewalk(0,level,ops[node+1].ival,&numarg); |
2015 | prewalk(0,level,ops[node+2].ival,&numarg); |
2016 | prewalk(0,level,ops[node+3].ival,&numarg); |
2017 | prewalk(0,level,ops[node+4].ival,&numarg); |
2018 | break; |
2019 | case OFORIN: |
2020 | prewalk(0,level,ops[node+2].ival,&numarg); |
2021 | prewalk(0,level,ops[node+1].ival,&numarg); |
8d063cd8 |
2022 | break; |
2023 | case OBLOCK: |
2024 | if (len == 2) { |
2025 | prewalk(0,level,ops[node+2].ival,&numarg); |
2026 | } |
2027 | ++level; |
2028 | prewalk(0,level,ops[node+1].ival,&numarg); |
2029 | --level; |
2030 | break; |
2031 | default: |
2032 | def: |
2033 | if (len) { |
2034 | if (len > 5) |
2035 | fatal("Garbage length in prewalk"); |
2036 | prewalk(0,level,ops[node+1].ival,&numarg); |
2037 | for (i = 2; i<= len; i++) { |
2038 | prewalk(0,level,ops[node+i].ival,&numarg); |
2039 | } |
2040 | } |
2041 | break; |
2042 | } |
2043 | *numericptr = numeric; |
2044 | return 1; |
2045 | } |
2046 | |
748a9306 |
2047 | static void |
f0f333f4 |
2048 | numericize(register int node) |
8d063cd8 |
2049 | { |
2050 | register int len; |
2051 | register int type; |
8d063cd8 |
2052 | STR *tmpstr; |
2053 | STR *tmp2str; |
2054 | int numarg; |
2055 | |
2056 | type = ops[node].ival; |
2057 | len = type >> 8; |
2058 | type &= 255; |
2059 | if (type == OVAR && len == 1) { |
a687059c |
2060 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
2061 | tmp2str = str_make("1"); |
2062 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
2063 | } |
2064 | } |