Commit | Line | Data |
8665f9e4 |
1 | /* walk.c |
a687059c |
2 | * |
4bb101f2 |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, |
07409e01 |
4 | * 2000, 2001, 2002, 2005 by Larry Wall and others |
a687059c |
5 | * |
d48672a2 |
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 | |
8d063cd8 |
10 | #include "EXTERN.h" |
8d063cd8 |
11 | #include "a2p.h" |
9c8d0b29 |
12 | #include "util.h" |
8d063cd8 |
13 | |
14 | bool exitval = FALSE; |
15 | bool realexit = FALSE; |
378cc40b |
16 | bool saw_getline = FALSE; |
a687059c |
17 | bool subretnum = FALSE; |
18 | bool saw_FNR = FALSE; |
19 | bool saw_argv0 = FALSE; |
d48672a2 |
20 | bool saw_fh = FALSE; |
8d063cd8 |
21 | int maxtmp = 0; |
378cc40b |
22 | char *lparen; |
23 | char *rparen; |
55204971 |
24 | char *limit; |
a687059c |
25 | STR *subs; |
26 | STR *curargs = Nullstr; |
8d063cd8 |
27 | |
20ce7b12 |
28 | static void addsemi ( STR *str ); |
29 | static void emit_split ( STR *str, int level ); |
30 | static void fixtab ( STR *str, int lvl ); |
31 | static void numericize ( int node ); |
32 | static void tab ( STR *str, int lvl ); |
56febc5e |
33 | |
20ce7b12 |
34 | int prewalk ( int numit, int level, int node, int *numericptr ); |
35 | STR * walk ( int useval, int level, int node, int *numericptr, int minprec ); |
011f1a1a |
36 | #ifdef NETWARE |
37 | char *savestr(char *str); |
38 | char *cpytill(register char *to, register char *from, register int delim); |
39 | char *instr(char *big, char *little); |
40 | #endif |
9c8d0b29 |
41 | |
8d063cd8 |
42 | STR * |
f0f333f4 |
43 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
8d063cd8 |
44 | { |
45 | register int len; |
46 | register STR *str; |
47 | register int type; |
48 | register int i; |
49 | register STR *tmpstr; |
50 | STR *tmp2str; |
a687059c |
51 | STR *tmp3str; |
8d063cd8 |
52 | char *t; |
0335b3e4 |
53 | char *d, *s; |
8d063cd8 |
54 | int numarg; |
55 | int numeric = FALSE; |
56 | STR *fstr; |
a687059c |
57 | int prec = P_MAX; /* assume no parens needed */ |
8d063cd8 |
58 | |
59 | if (!node) { |
60 | *numericptr = 0; |
61 | return str_make(""); |
62 | } |
63 | type = ops[node].ival; |
64 | len = type >> 8; |
65 | type &= 255; |
66 | switch (type) { |
67 | case OPROG: |
d48672a2 |
68 | arymax = 0; |
69 | if (namelist) { |
3f939f22 |
70 | while (isALPHA(*namelist)) { |
d48672a2 |
71 | for (d = tokenbuf,s=namelist; |
3f939f22 |
72 | isALPHA(*s) || isDIGIT(*s) || *s == '_'; |
d48672a2 |
73 | *d++ = *s++) ; |
74 | *d = '\0'; |
3f939f22 |
75 | while (*s && !isALPHA(*s)) s++; |
d48672a2 |
76 | namelist = s; |
77 | nameary[++arymax] = savestr(tokenbuf); |
78 | } |
79 | } |
80 | if (maxfld < arymax) |
81 | maxfld = arymax; |
8d063cd8 |
82 | opens = str_new(0); |
a687059c |
83 | subs = str_new(0); |
84 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
85 | if (do_split && need_entire && !absmaxfld) |
86 | split_to_array = TRUE; |
87 | if (do_split && split_to_array) |
88 | set_array_base = TRUE; |
89 | if (set_array_base) { |
90 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); |
91 | } |
92 | if (fswitch && !const_FS) |
93 | const_FS = fswitch; |
94 | if (saw_FS > 1 || saw_RS) |
95 | const_FS = 0; |
96 | if (saw_ORS && need_entire) |
97 | do_chop = TRUE; |
98 | if (fswitch) { |
99 | str_cat(str,"$FS = '"); |
a0d0e21e |
100 | if (strchr("*+?.[]()|^$\\",fswitch)) |
8d063cd8 |
101 | str_cat(str,"\\"); |
102 | sprintf(tokenbuf,"%c",fswitch); |
103 | str_cat(str,tokenbuf); |
104 | str_cat(str,"';\t\t# field separator from -F switch\n"); |
105 | } |
106 | else if (saw_FS && !const_FS) { |
9bb9d9f7 |
107 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
8d063cd8 |
108 | } |
109 | if (saw_OFS) { |
a559c259 |
110 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
8d063cd8 |
111 | } |
112 | if (saw_ORS) { |
a559c259 |
113 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
8d063cd8 |
114 | } |
a687059c |
115 | if (saw_argv0) { |
116 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); |
117 | } |
8d063cd8 |
118 | if (str->str_cur > 20) |
119 | str_cat(str,"\n"); |
120 | if (ops[node+2].ival) { |
a687059c |
121 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
122 | str_free(fstr); |
123 | str_cat(str,"\n\n"); |
124 | } |
a687059c |
125 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
126 | if (*fstr->str_ptr) { |
127 | if (saw_line_op) |
128 | str_cat(str,"line: "); |
129 | str_cat(str,"while (<>) {\n"); |
130 | tab(str,++level); |
131 | if (saw_FS && !const_FS) |
132 | do_chop = TRUE; |
133 | if (do_chop) { |
7bdaec8a |
134 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
135 | tab(str,level); |
8d063cd8 |
136 | } |
a687059c |
137 | if (do_split) |
138 | emit_split(str,level); |
139 | str_scat(str,fstr); |
140 | str_free(fstr); |
141 | fixtab(str,--level); |
142 | str_cat(str,"}\n"); |
143 | if (saw_FNR) |
144 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); |
8d063cd8 |
145 | } |
a5571d59 |
146 | else if (old_awk) |
ae986130 |
147 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
8d063cd8 |
148 | if (ops[node+4].ival) { |
149 | realexit = TRUE; |
150 | str_cat(str,"\n"); |
151 | tab(str,level); |
a687059c |
152 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
153 | str_free(fstr); |
154 | str_cat(str,"\n"); |
155 | } |
156 | if (exitval) |
9f68db38 |
157 | str_cat(str,"exit $ExitValue;\n"); |
a687059c |
158 | if (subs->str_ptr) { |
159 | str_cat(str,"\n"); |
160 | str_scat(str,subs); |
161 | } |
378cc40b |
162 | if (saw_getline) { |
a687059c |
163 | for (len = 0; len < 4; len++) { |
164 | if (saw_getline & (1 << len)) { |
165 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); |
166 | str_cat(str, tokenbuf); |
167 | if (len & 2) { |
168 | if (do_fancy_opens) |
169 | str_cat(str," &Pick('',@_);\n"); |
170 | else |
171 | str_cat(str," ($fh) = @_;\n"); |
172 | } |
173 | else { |
174 | if (saw_FNR) |
175 | str_cat(str," $FNRbase = $. if eof;\n"); |
176 | } |
177 | if (len & 1) |
62b28dd9 |
178 | str_cat(str," local($_);\n"); |
a687059c |
179 | if (len & 2) |
180 | str_cat(str, |
181 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); |
182 | else |
183 | str_cat(str, |
184 | " if ($getline_ok = (($_ = <>) ne ''))"); |
185 | str_cat(str, " {\n"); |
186 | level += 2; |
187 | tab(str,level); |
188 | i = 0; |
189 | if (do_chop) { |
190 | i++; |
7bdaec8a |
191 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
192 | tab(str,level); |
193 | } |
194 | if (do_split && !(len & 1)) { |
195 | i++; |
196 | emit_split(str,level); |
197 | } |
198 | if (!i) |
199 | str_cat(str,";\n"); |
200 | fixtab(str,--level); |
201 | str_cat(str,"}\n $_;\n}\n"); |
202 | --level; |
203 | } |
378cc40b |
204 | } |
378cc40b |
205 | } |
8d063cd8 |
206 | if (do_fancy_opens) { |
207 | str_cat(str,"\n\ |
208 | sub Pick {\n\ |
a687059c |
209 | local($mode,$name,$pipe) = @_;\n\ |
7c0587c8 |
210 | $fh = $name;\n\ |
211 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ |
8d063cd8 |
212 | }\n\ |
213 | "); |
214 | } |
215 | break; |
216 | case OHUNKS: |
a687059c |
217 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
218 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
219 | str_free(fstr); |
220 | if (len == 3) { |
a687059c |
221 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
222 | str_free(fstr); |
223 | } |
224 | else { |
225 | } |
226 | break; |
227 | case ORANGE: |
a687059c |
228 | prec = P_DOTDOT; |
229 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
230 | str_cat(str," .. "); |
a687059c |
231 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
232 | str_free(fstr); |
233 | break; |
234 | case OPAT: |
235 | goto def; |
236 | case OREGEX: |
237 | str = str_new(0); |
238 | str_set(str,"/"); |
a687059c |
239 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
240 | /* translate \nnn to [\nnn] */ |
241 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { |
3f939f22 |
242 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){ |
8d063cd8 |
243 | *d++ = '['; |
244 | *d++ = *s++; |
245 | *d++ = *s++; |
246 | *d++ = *s++; |
247 | *d++ = *s; |
248 | *d = ']'; |
249 | } |
250 | else |
251 | *d = *s; |
252 | } |
253 | *d = '\0'; |
378cc40b |
254 | for (d=tokenbuf; *d; d++) |
c5cf9ec2 |
255 | *d += (char)128; |
8d063cd8 |
256 | str_cat(str,tokenbuf); |
257 | str_free(tmpstr); |
258 | str_cat(str,"/"); |
259 | break; |
260 | case OHUNK: |
261 | if (len == 1) { |
262 | str = str_new(0); |
a687059c |
263 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
8d063cd8 |
264 | str_cat(str," if "); |
a687059c |
265 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
266 | str_free(fstr); |
267 | str_cat(str,";"); |
268 | } |
269 | else { |
a687059c |
270 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
271 | if (*tmpstr->str_ptr) { |
272 | str = str_new(0); |
273 | str_set(str,"if ("); |
274 | str_scat(str,tmpstr); |
275 | str_cat(str,") {\n"); |
276 | tab(str,++level); |
a687059c |
277 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
278 | str_free(fstr); |
279 | fixtab(str,--level); |
280 | str_cat(str,"}\n"); |
281 | tab(str,level); |
282 | } |
283 | else { |
a687059c |
284 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
285 | } |
286 | } |
287 | break; |
288 | case OPPAREN: |
289 | str = str_new(0); |
290 | str_set(str,"("); |
a687059c |
291 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
292 | str_free(fstr); |
293 | str_cat(str,")"); |
294 | break; |
295 | case OPANDAND: |
a687059c |
296 | prec = P_ANDAND; |
297 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
298 | str_cat(str," && "); |
a687059c |
299 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
300 | str_free(fstr); |
301 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
302 | str_free(fstr); |
303 | break; |
304 | case OPOROR: |
a687059c |
305 | prec = P_OROR; |
306 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
307 | str_cat(str," || "); |
a687059c |
308 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
309 | str_free(fstr); |
310 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
311 | str_free(fstr); |
312 | break; |
313 | case OPNOT: |
a687059c |
314 | prec = P_UNARY; |
8d063cd8 |
315 | str = str_new(0); |
316 | str_set(str,"!"); |
a687059c |
317 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
318 | str_free(fstr); |
319 | break; |
62b28dd9 |
320 | case OCOND: |
321 | prec = P_COND; |
322 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
323 | str_cat(str," ? "); |
324 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
325 | str_free(fstr); |
326 | str_cat(str," : "); |
327 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
328 | str_free(fstr); |
329 | break; |
8d063cd8 |
330 | case OCPAREN: |
331 | str = str_new(0); |
332 | str_set(str,"("); |
a687059c |
333 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
334 | str_free(fstr); |
335 | numeric |= numarg; |
336 | str_cat(str,")"); |
337 | break; |
338 | case OCANDAND: |
a687059c |
339 | prec = P_ANDAND; |
340 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
341 | numeric = 1; |
342 | str_cat(str," && "); |
a687059c |
343 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
344 | str_free(fstr); |
345 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
346 | str_free(fstr); |
347 | break; |
348 | case OCOROR: |
a687059c |
349 | prec = P_OROR; |
350 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
351 | numeric = 1; |
352 | str_cat(str," || "); |
a687059c |
353 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
354 | str_free(fstr); |
355 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
356 | str_free(fstr); |
357 | break; |
358 | case OCNOT: |
a687059c |
359 | prec = P_UNARY; |
8d063cd8 |
360 | str = str_new(0); |
361 | str_set(str,"!"); |
a687059c |
362 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
363 | str_free(fstr); |
364 | numeric = 1; |
365 | break; |
366 | case ORELOP: |
a687059c |
367 | prec = P_REL; |
368 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
369 | numeric |= numarg; |
a687059c |
370 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
371 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); |
8d063cd8 |
372 | numeric |= numarg; |
a687059c |
373 | if (!numeric || |
374 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { |
8d063cd8 |
375 | t = tmpstr->str_ptr; |
376 | if (strEQ(t,"==")) |
377 | str_set(tmpstr,"eq"); |
378 | else if (strEQ(t,"!=")) |
379 | str_set(tmpstr,"ne"); |
380 | else if (strEQ(t,"<")) |
381 | str_set(tmpstr,"lt"); |
382 | else if (strEQ(t,"<=")) |
383 | str_set(tmpstr,"le"); |
384 | else if (strEQ(t,">")) |
385 | str_set(tmpstr,"gt"); |
386 | else if (strEQ(t,">=")) |
387 | str_set(tmpstr,"ge"); |
a0d0e21e |
388 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
389 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) |
8d063cd8 |
390 | numeric |= 2; |
391 | } |
392 | if (numeric & 2) { |
393 | if (numeric & 1) /* numeric is very good guess */ |
394 | str_cat(str," "); |
395 | else |
396 | str_cat(str,"\377"); |
397 | numeric = 1; |
398 | } |
399 | else |
400 | str_cat(str," "); |
401 | str_scat(str,tmpstr); |
402 | str_free(tmpstr); |
403 | str_cat(str," "); |
404 | str_scat(str,tmp2str); |
405 | str_free(tmp2str); |
406 | numeric = 1; |
407 | break; |
408 | case ORPAREN: |
409 | str = str_new(0); |
410 | str_set(str,"("); |
a687059c |
411 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
412 | str_free(fstr); |
413 | numeric |= numarg; |
414 | str_cat(str,")"); |
415 | break; |
416 | case OMATCHOP: |
a687059c |
417 | prec = P_MATCH; |
418 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
419 | str_cat(str," "); |
a687059c |
420 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
421 | if (strEQ(tmpstr->str_ptr,"~")) |
422 | str_cat(str,"=~"); |
423 | else { |
424 | str_scat(str,tmpstr); |
425 | str_free(tmpstr); |
426 | } |
427 | str_cat(str," "); |
a687059c |
428 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
429 | str_free(fstr); |
430 | numeric = 1; |
431 | break; |
432 | case OMPAREN: |
433 | str = str_new(0); |
434 | str_set(str,"("); |
a687059c |
435 | str_scat(str, |
436 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
437 | str_free(fstr); |
438 | numeric |= numarg; |
439 | str_cat(str,")"); |
440 | break; |
441 | case OCONCAT: |
a687059c |
442 | prec = P_ADD; |
443 | type = ops[ops[node+1].ival].ival & 255; |
444 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); |
8d063cd8 |
445 | str_cat(str," . "); |
a687059c |
446 | type = ops[ops[node+2].ival].ival & 255; |
447 | str_scat(str, |
448 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); |
8d063cd8 |
449 | str_free(fstr); |
450 | break; |
451 | case OASSIGN: |
a687059c |
452 | prec = P_ASSIGN; |
453 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
454 | str_cat(str," "); |
a687059c |
455 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
456 | str_scat(str,tmpstr); |
457 | if (str_len(tmpstr) > 1) |
458 | numeric = 1; |
459 | str_free(tmpstr); |
460 | str_cat(str," "); |
a687059c |
461 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
8d063cd8 |
462 | str_free(fstr); |
463 | numeric |= numarg; |
7c0587c8 |
464 | if (strEQ(str->str_ptr,"$/ = ''")) |
465 | str_set(str, "$/ = \"\\n\\n\""); |
8d063cd8 |
466 | break; |
467 | case OADD: |
a687059c |
468 | prec = P_ADD; |
469 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
470 | str_cat(str," + "); |
a687059c |
471 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
472 | str_free(fstr); |
473 | numeric = 1; |
474 | break; |
a687059c |
475 | case OSUBTRACT: |
476 | prec = P_ADD; |
477 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
478 | str_cat(str," - "); |
a687059c |
479 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
480 | str_free(fstr); |
481 | numeric = 1; |
482 | break; |
483 | case OMULT: |
a687059c |
484 | prec = P_MUL; |
485 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
486 | str_cat(str," * "); |
a687059c |
487 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
488 | str_free(fstr); |
489 | numeric = 1; |
490 | break; |
491 | case ODIV: |
a687059c |
492 | prec = P_MUL; |
493 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
494 | str_cat(str," / "); |
a687059c |
495 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
496 | str_free(fstr); |
497 | numeric = 1; |
498 | break; |
499 | case OPOW: |
500 | prec = P_POW; |
501 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
502 | str_cat(str," ** "); |
503 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); |
8d063cd8 |
504 | str_free(fstr); |
505 | numeric = 1; |
506 | break; |
507 | case OMOD: |
a687059c |
508 | prec = P_MUL; |
509 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
510 | str_cat(str," % "); |
a687059c |
511 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
512 | str_free(fstr); |
513 | numeric = 1; |
514 | break; |
515 | case OPOSTINCR: |
a687059c |
516 | prec = P_AUTO; |
517 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
518 | str_cat(str,"++"); |
519 | numeric = 1; |
520 | break; |
521 | case OPOSTDECR: |
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 OPREINCR: |
a687059c |
528 | prec = P_AUTO; |
8d063cd8 |
529 | str = str_new(0); |
530 | str_set(str,"++"); |
a687059c |
531 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
532 | str_free(fstr); |
533 | numeric = 1; |
534 | break; |
535 | case OPREDECR: |
a687059c |
536 | prec = P_AUTO; |
8d063cd8 |
537 | str = str_new(0); |
538 | str_set(str,"--"); |
a687059c |
539 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
540 | str_free(fstr); |
541 | numeric = 1; |
542 | break; |
543 | case OUMINUS: |
a687059c |
544 | prec = P_UNARY; |
8d063cd8 |
545 | str = str_new(0); |
546 | str_set(str,"-"); |
a687059c |
547 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
548 | str_free(fstr); |
549 | numeric = 1; |
550 | break; |
551 | case OUPLUS: |
552 | numeric = 1; |
553 | goto def; |
554 | case OPAREN: |
555 | str = str_new(0); |
556 | str_set(str,"("); |
a687059c |
557 | str_scat(str, |
558 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
559 | str_free(fstr); |
560 | str_cat(str,")"); |
561 | numeric |= numarg; |
562 | break; |
563 | case OGETLINE: |
564 | str = str_new(0); |
a687059c |
565 | if (useval) |
566 | str_cat(str,"("); |
567 | if (len > 0) { |
a687059c |
568 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
569 | if (!*fstr->str_ptr) { |
7c0587c8 |
570 | str_cat(str,"$_"); |
a687059c |
571 | len = 2; /* a legal fiction */ |
572 | } |
573 | str_free(fstr); |
574 | } |
575 | else |
576 | str_cat(str,"$_"); |
577 | if (len > 1) { |
578 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
579 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
580 | if (!do_fancy_opens) { |
581 | t = tmpstr->str_ptr; |
582 | if (*t == '"' || *t == '\'') |
583 | t = cpytill(tokenbuf,t+1,*t); |
584 | else |
585 | fatal("Internal error: OGETLINE %s", t); |
586 | d = savestr(t); |
587 | s = savestr(tokenbuf); |
588 | for (t = tokenbuf; *t; t++) { |
589 | *t &= 127; |
3f939f22 |
590 | if (isLOWER(*t)) |
591 | *t = toUPPER(*t); |
592 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
593 | *t = '_'; |
594 | } |
a0d0e21e |
595 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
596 | strcpy(t,"_FH"); |
a687059c |
597 | tmp3str = hfetch(symtab,tokenbuf); |
598 | if (!tmp3str) { |
599 | do_opens = TRUE; |
600 | str_cat(opens,"open("); |
601 | str_cat(opens,tokenbuf); |
602 | str_cat(opens,", "); |
603 | d[1] = '\0'; |
604 | str_cat(opens,d); |
605 | str_cat(opens,tmpstr->str_ptr+1); |
606 | opens->str_cur--; |
607 | if (*fstr->str_ptr == '|') |
608 | str_cat(opens,"|"); |
609 | str_cat(opens,d); |
610 | if (*fstr->str_ptr == '|') |
611 | str_cat(opens,") || die 'Cannot pipe from \""); |
612 | else |
613 | str_cat(opens,") || die 'Cannot open file \""); |
614 | if (*d == '"') |
615 | str_cat(opens,"'.\""); |
616 | str_cat(opens,s); |
617 | if (*d == '"') |
618 | str_cat(opens,"\".'"); |
619 | str_cat(opens,"\".';\n"); |
620 | hstore(symtab,tokenbuf,str_make("x")); |
621 | } |
622 | safefree(s); |
623 | safefree(d); |
624 | str_set(tmpstr,"'"); |
625 | str_cat(tmpstr,tokenbuf); |
626 | str_cat(tmpstr,"'"); |
627 | } |
628 | if (*fstr->str_ptr == '|') |
629 | str_cat(tmpstr,", '|'"); |
630 | str_free(fstr); |
631 | } |
632 | else |
633 | tmpstr = str_make(""); |
634 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); |
635 | str_cat(str,tokenbuf); |
636 | str_free(tmpstr); |
637 | if (useval) |
638 | str_cat(str,",$getline_ok)"); |
639 | saw_getline |= 1 << len; |
8d063cd8 |
640 | break; |
641 | case OSPRINTF: |
642 | str = str_new(0); |
643 | str_set(str,"sprintf("); |
a687059c |
644 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
645 | str_free(fstr); |
646 | str_cat(str,")"); |
647 | break; |
648 | case OSUBSTR: |
649 | str = str_new(0); |
650 | str_set(str,"substr("); |
a687059c |
651 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
652 | str_free(fstr); |
653 | str_cat(str,", "); |
a687059c |
654 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
655 | str_free(fstr); |
8d063cd8 |
656 | if (len == 3) { |
4cec2b33 |
657 | str_cat(str,", "); |
a687059c |
658 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
659 | str_free(fstr); |
660 | } |
8d063cd8 |
661 | str_cat(str,")"); |
662 | break; |
663 | case OSTRING: |
664 | str = str_new(0); |
665 | str_set(str,ops[node+1].cval); |
666 | break; |
667 | case OSPLIT: |
668 | str = str_new(0); |
4cec2b33 |
669 | limit = ", -1)"; |
8d063cd8 |
670 | numeric = 1; |
a687059c |
671 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
672 | if (useval) |
673 | str_set(str,"(@"); |
674 | else |
675 | str_set(str,"@"); |
676 | str_scat(str,tmpstr); |
677 | str_cat(str," = split("); |
678 | if (len == 3) { |
a687059c |
679 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
8d063cd8 |
680 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
681 | i = fstr->str_ptr[1] & 127; |
a0d0e21e |
682 | if (strchr("*+?.[]()|^$\\",i)) |
8d063cd8 |
683 | sprintf(tokenbuf,"/\\%c/",i); |
20188a90 |
684 | else if (i == ' ') |
62b28dd9 |
685 | sprintf(tokenbuf,"' '"); |
8d063cd8 |
686 | else |
687 | sprintf(tokenbuf,"/%c/",i); |
688 | str_cat(str,tokenbuf); |
689 | } |
690 | else |
691 | str_scat(str,fstr); |
692 | str_free(fstr); |
693 | } |
694 | else if (const_FS) { |
695 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); |
696 | str_cat(str,tokenbuf); |
697 | } |
698 | else if (saw_FS) |
699 | str_cat(str,"$FS"); |
55204971 |
700 | else { |
9bb9d9f7 |
701 | str_cat(str,"' '"); |
55204971 |
702 | limit = ")"; |
703 | } |
8d063cd8 |
704 | str_cat(str,", "); |
a687059c |
705 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
706 | str_free(fstr); |
55204971 |
707 | str_cat(str,limit); |
8d063cd8 |
708 | if (useval) { |
709 | str_cat(str,")"); |
710 | } |
711 | str_free(tmpstr); |
712 | break; |
713 | case OINDEX: |
714 | str = str_new(0); |
715 | str_set(str,"index("); |
a687059c |
716 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
717 | str_free(fstr); |
718 | str_cat(str,", "); |
a687059c |
719 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
720 | str_free(fstr); |
721 | str_cat(str,")"); |
722 | numeric = 1; |
723 | break; |
a687059c |
724 | case OMATCH: |
725 | str = str_new(0); |
726 | prec = P_ANDAND; |
727 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); |
728 | str_free(fstr); |
729 | str_cat(str," =~ "); |
730 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); |
731 | str_free(fstr); |
732 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); |
733 | numeric = 1; |
734 | break; |
735 | case OUSERDEF: |
736 | str = str_new(0); |
737 | subretnum = FALSE; |
738 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); |
739 | curargs = str_new(0); |
740 | str_sset(curargs,fstr); |
741 | str_cat(curargs,","); |
742 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); |
743 | str_free(curargs); |
744 | curargs = Nullstr; |
745 | level--; |
746 | subretnum |= numarg; |
747 | s = Nullch; |
748 | t = tmp2str->str_ptr; |
b7953727 |
749 | while ((t = instr(t,"return "))) |
a687059c |
750 | s = t++; |
751 | if (s) { |
752 | i = 0; |
753 | for (t = s+7; *t; t++) { |
754 | if (*t == ';' || *t == '}') |
755 | i++; |
756 | } |
757 | if (i == 1) { |
758 | strcpy(s,s+7); |
759 | tmp2str->str_cur -= 7; |
760 | } |
761 | } |
762 | str_set(str,"\n"); |
763 | tab(str,level); |
764 | str_cat(str,"sub "); |
765 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
766 | str_cat(str," {\n"); |
767 | tab(str,++level); |
768 | if (fstr->str_cur) { |
769 | str_cat(str,"local("); |
770 | str_scat(str,fstr); |
771 | str_cat(str,") = @_;"); |
772 | } |
773 | str_free(fstr); |
774 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
775 | str_free(fstr); |
776 | fixtab(str,level); |
777 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); |
778 | str_free(fstr); |
779 | fixtab(str,level); |
780 | str_scat(str,tmp2str); |
781 | str_free(tmp2str); |
782 | fixtab(str,--level); |
783 | str_cat(str,"}\n"); |
784 | tab(str,level); |
785 | str_scat(subs,str); |
786 | str_set(str,""); |
787 | str_cat(tmpstr,"("); |
788 | tmp2str = str_new(0); |
789 | if (subretnum) |
790 | str_set(tmp2str,"1"); |
791 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
792 | str_free(tmpstr); |
793 | level++; |
794 | break; |
795 | case ORETURN: |
796 | str = str_new(0); |
797 | if (len > 0) { |
798 | str_cat(str,"return "); |
799 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); |
800 | str_free(fstr); |
801 | if (numarg) |
802 | subretnum = TRUE; |
803 | } |
804 | else |
805 | str_cat(str,"return"); |
806 | break; |
807 | case OUSERFUN: |
808 | str = str_new(0); |
809 | str_set(str,"&"); |
810 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
811 | str_free(fstr); |
812 | str_cat(str,"("); |
813 | tmpstr = hfetch(symtab,str->str_ptr+3); |
814 | if (tmpstr && tmpstr->str_ptr) |
815 | numeric |= atoi(tmpstr->str_ptr); |
816 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
817 | str_free(fstr); |
818 | str_cat(str,")"); |
819 | break; |
820 | case OGSUB: |
0335b3e4 |
821 | case OSUB: { |
822 | int gsub = type == OGSUB ? 1 : 0; |
a687059c |
823 | str = str_new(0); |
824 | tmpstr = str_new(0); |
825 | i = 0; |
826 | if (len == 3) { |
827 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); |
828 | if (strNE(tmpstr->str_ptr,"$_")) { |
829 | str_cat(tmpstr, " =~ s"); |
830 | i++; |
831 | } |
832 | else |
833 | str_set(tmpstr, "s"); |
834 | } |
835 | else |
836 | str_set(tmpstr, "s"); |
837 | type = ops[ops[node+2].ival].ival; |
838 | len = type >> 8; |
839 | type &= 255; |
840 | tmp3str = str_new(0); |
841 | if (type == OSTR) { |
842 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
843 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { |
844 | if (*t == '&') |
c5cf9ec2 |
845 | *d++ = '$' + (char)128; |
a687059c |
846 | else if (*t == '$') |
c5cf9ec2 |
847 | *d++ = '\\' + (char)128; |
a687059c |
848 | *d = *t + 128; |
849 | } |
850 | *d = '\0'; |
851 | str_set(tmp2str,tokenbuf); |
07409e01 |
852 | s = (char *) (gsub ? "/g" : "/"); |
a687059c |
853 | } |
854 | else { |
855 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
856 | str_set(tmp3str,"($s_ = '\"'.("); |
857 | str_scat(tmp3str,tmp2str); |
858 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); |
859 | str_set(tmp2str,"eval $s_"); |
07409e01 |
860 | s = (char *) (gsub ? "/ge" : "/e"); |
a687059c |
861 | i++; |
862 | } |
0335b3e4 |
863 | str_cat(tmp2str,s); |
a687059c |
864 | type = ops[ops[node+1].ival].ival; |
865 | len = type >> 8; |
866 | type &= 255; |
867 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
868 | if (type == OREGEX) { |
869 | if (useval && i) |
870 | str_cat(str,"("); |
871 | str_scat(str,tmp3str); |
872 | str_scat(str,tmpstr); |
873 | str_scat(str,fstr); |
874 | str_scat(str,tmp2str); |
a687059c |
875 | } |
876 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { |
877 | if (useval && i) |
878 | str_cat(str,"("); |
879 | str_scat(str,tmp3str); |
880 | str_scat(str,tmpstr); |
881 | str_cat(str,"/"); |
882 | str_scat(str,fstr); |
883 | str_cat(str,"/"); |
884 | str_scat(str,tmp2str); |
a687059c |
885 | } |
886 | else { |
887 | i++; |
888 | if (useval) |
889 | str_cat(str,"("); |
890 | str_cat(str,"$s = "); |
891 | str_scat(str,fstr); |
892 | str_cat(str,", "); |
893 | str_scat(str,tmp3str); |
894 | str_scat(str,tmpstr); |
895 | str_cat(str,"/$s/"); |
896 | str_scat(str,tmp2str); |
a687059c |
897 | } |
898 | if (useval && i) |
899 | str_cat(str,")"); |
900 | str_free(fstr); |
901 | str_free(tmpstr); |
902 | str_free(tmp2str); |
903 | str_free(tmp3str); |
904 | numeric = 1; |
0335b3e4 |
905 | break; } |
8d063cd8 |
906 | case ONUM: |
a687059c |
907 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
908 | numeric = 1; |
909 | break; |
910 | case OSTR: |
a687059c |
911 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
912 | s = "'"; |
378cc40b |
913 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
914 | if (*t == '\'') |
915 | s = "\""; |
916 | else if (*t == '\\') { |
8d063cd8 |
917 | s = "\""; |
378cc40b |
918 | *d++ = *t++ + 128; |
919 | switch (*t) { |
fe14fcc3 |
920 | case '\\': case '"': case 'n': case 't': case '$': |
378cc40b |
921 | break; |
922 | default: /* hide this from perl */ |
c5cf9ec2 |
923 | *d++ = '\\' + (char)128; |
378cc40b |
924 | } |
925 | } |
926 | *d = *t + 128; |
8d063cd8 |
927 | } |
378cc40b |
928 | *d = '\0'; |
8d063cd8 |
929 | str = str_new(0); |
930 | str_set(str,s); |
378cc40b |
931 | str_cat(str,tokenbuf); |
8d063cd8 |
932 | str_free(tmpstr); |
933 | str_cat(str,s); |
934 | break; |
a687059c |
935 | case ODEFINED: |
936 | prec = P_UNI; |
937 | str = str_new(0); |
938 | str_set(str,"defined $"); |
939 | goto addvar; |
940 | case ODELETE: |
941 | str = str_new(0); |
942 | str_set(str,"delete $"); |
943 | goto addvar; |
944 | case OSTAR: |
945 | str = str_new(0); |
946 | str_set(str,"*"); |
947 | goto addvar; |
8d063cd8 |
948 | case OVAR: |
949 | str = str_new(0); |
950 | str_set(str,"$"); |
a687059c |
951 | addvar: |
952 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
953 | if (len == 1) { |
954 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
955 | if (tmp2str && atoi(tmp2str->str_ptr)) |
956 | numeric = 2; |
a687059c |
957 | if (strEQ(str->str_ptr,"$FNR")) { |
958 | numeric = 1; |
959 | saw_FNR++; |
960 | str_set(str,"($.-$FNRbase)"); |
961 | } |
962 | else if (strEQ(str->str_ptr,"$NR")) { |
8d063cd8 |
963 | numeric = 1; |
964 | str_set(str,"$."); |
965 | } |
966 | else if (strEQ(str->str_ptr,"$NF")) { |
967 | numeric = 1; |
968 | str_set(str,"$#Fld"); |
969 | } |
970 | else if (strEQ(str->str_ptr,"$0")) |
971 | str_set(str,"$_"); |
a687059c |
972 | else if (strEQ(str->str_ptr,"$ARGC")) |
973 | str_set(str,"($#ARGV+1)"); |
8d063cd8 |
974 | } |
975 | else { |
a687059c |
976 | #ifdef NOTDEF |
977 | if (curargs) { |
978 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); |
979 | ??? if (instr(curargs->str_ptr,tokenbuf)) |
980 | str_cat(str,"\377"); /* can't translate yet */ |
981 | } |
982 | #endif |
8d063cd8 |
983 | str_cat(tmpstr,"[]"); |
984 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
985 | if (tmp2str && atoi(tmp2str->str_ptr)) |
986 | str_cat(str,"["); |
987 | else |
988 | str_cat(str,"{"); |
a687059c |
989 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
990 | str_free(fstr); |
a687059c |
991 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
992 | str_set(str,"$ARGV0"); |
993 | saw_argv0++; |
994 | } |
995 | else { |
996 | if (tmp2str && atoi(tmp2str->str_ptr)) |
997 | strcpy(tokenbuf,"]"); |
998 | else |
999 | strcpy(tokenbuf,"}"); |
c5cf9ec2 |
1000 | *tokenbuf += (char)128; |
a687059c |
1001 | str_cat(str,tokenbuf); |
1002 | } |
8d063cd8 |
1003 | } |
1004 | str_free(tmpstr); |
1005 | break; |
1006 | case OFLD: |
1007 | str = str_new(0); |
1008 | if (split_to_array) { |
1009 | str_set(str,"$Fld"); |
1010 | str_cat(str,"["); |
a687059c |
1011 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1012 | str_free(fstr); |
1013 | str_cat(str,"]"); |
1014 | } |
1015 | else { |
a687059c |
1016 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
8d063cd8 |
1017 | if (i <= arymax) |
1018 | sprintf(tokenbuf,"$%s",nameary[i]); |
1019 | else |
1020 | sprintf(tokenbuf,"$Fld%d",i); |
1021 | str_set(str,tokenbuf); |
1022 | } |
1023 | break; |
1024 | case OVFLD: |
1025 | str = str_new(0); |
1026 | str_set(str,"$Fld["); |
1027 | i = ops[node+1].ival; |
1028 | if ((ops[i].ival & 255) == OPAREN) |
1029 | i = ops[i+1].ival; |
a687059c |
1030 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
8d063cd8 |
1031 | str_scat(str,tmpstr); |
1032 | str_free(tmpstr); |
1033 | str_cat(str,"]"); |
1034 | break; |
1035 | case OJUNK: |
1036 | goto def; |
1037 | case OSNEWLINE: |
1038 | str = str_new(2); |
1039 | str_set(str,";\n"); |
1040 | tab(str,level); |
1041 | break; |
1042 | case ONEWLINE: |
1043 | str = str_new(1); |
1044 | str_set(str,"\n"); |
1045 | tab(str,level); |
1046 | break; |
1047 | case OSCOMMENT: |
1048 | str = str_new(0); |
1049 | str_set(str,";"); |
a687059c |
1050 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1051 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
c5cf9ec2 |
1052 | *s += (char)128; |
8d063cd8 |
1053 | str_scat(str,tmpstr); |
1054 | str_free(tmpstr); |
1055 | tab(str,level); |
1056 | break; |
1057 | case OCOMMENT: |
1058 | str = str_new(0); |
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 OCOMMA: |
a687059c |
1067 | prec = P_COMMA; |
1068 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
1069 | str_cat(str,", "); |
a687059c |
1070 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
1071 | str_free(fstr); |
1072 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
1073 | str_free(fstr); |
1074 | break; |
1075 | case OSEMICOLON: |
1076 | str = str_new(1); |
a687059c |
1077 | str_set(str,";\n"); |
1078 | tab(str,level); |
8d063cd8 |
1079 | break; |
1080 | case OSTATES: |
a687059c |
1081 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1082 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1083 | str_free(fstr); |
1084 | break; |
1085 | case OSTATE: |
1086 | str = str_new(0); |
1087 | if (len >= 1) { |
a687059c |
1088 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1089 | str_free(fstr); |
1090 | if (len >= 2) { |
a687059c |
1091 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1092 | if (*tmpstr->str_ptr == ';') { |
1093 | addsemi(str); |
1094 | str_cat(str,tmpstr->str_ptr+1); |
1095 | } |
1096 | str_free(tmpstr); |
1097 | } |
1098 | } |
1099 | break; |
a687059c |
1100 | case OCLOSE: |
1101 | str = str_make("close("); |
1102 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
1103 | if (!do_fancy_opens) { |
1104 | t = tmpstr->str_ptr; |
1105 | if (*t == '"' || *t == '\'') |
1106 | t = cpytill(tokenbuf,t+1,*t); |
1107 | else |
1108 | fatal("Internal error: OCLOSE %s",t); |
1109 | s = savestr(tokenbuf); |
1110 | for (t = tokenbuf; *t; t++) { |
1111 | *t &= 127; |
3f939f22 |
1112 | if (isLOWER(*t)) |
1113 | *t = toUPPER(*t); |
1114 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
1115 | *t = '_'; |
1116 | } |
a0d0e21e |
1117 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1118 | strcpy(t,"_FH"); |
a687059c |
1119 | str_free(tmpstr); |
1120 | safefree(s); |
1121 | str_set(str,"close "); |
1122 | str_cat(str,tokenbuf); |
1123 | } |
1124 | else { |
7c0587c8 |
1125 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
1126 | tmpstr->str_ptr, tmpstr->str_ptr); |
a687059c |
1127 | str_free(tmpstr); |
1128 | str_set(str,tokenbuf); |
1129 | } |
1130 | break; |
8d063cd8 |
1131 | case OPRINTF: |
1132 | case OPRINT: |
378cc40b |
1133 | lparen = ""; /* set to parens if necessary */ |
1134 | rparen = ""; |
8d063cd8 |
1135 | str = str_new(0); |
1136 | if (len == 3) { /* output redirection */ |
a687059c |
1137 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
1138 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1139 | if (!do_fancy_opens) { |
1140 | t = tmpstr->str_ptr; |
1141 | if (*t == '"' || *t == '\'') |
1142 | t = cpytill(tokenbuf,t+1,*t); |
1143 | else |
1144 | fatal("Internal error: OPRINT"); |
1145 | d = savestr(t); |
1146 | s = savestr(tokenbuf); |
1147 | for (t = tokenbuf; *t; t++) { |
1148 | *t &= 127; |
3f939f22 |
1149 | if (isLOWER(*t)) |
1150 | *t = toUPPER(*t); |
1151 | if (!isALPHA(*t) && !isDIGIT(*t)) |
8d063cd8 |
1152 | *t = '_'; |
1153 | } |
a0d0e21e |
1154 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1155 | strcpy(t,"_FH"); |
a687059c |
1156 | tmp3str = hfetch(symtab,tokenbuf); |
1157 | if (!tmp3str) { |
1158 | str_cat(opens,"open("); |
1159 | str_cat(opens,tokenbuf); |
1160 | str_cat(opens,", "); |
1161 | d[1] = '\0'; |
1162 | str_cat(opens,d); |
1163 | str_scat(opens,tmp2str); |
1164 | str_cat(opens,tmpstr->str_ptr+1); |
1165 | if (*tmp2str->str_ptr == '|') |
1166 | str_cat(opens,") || die 'Cannot pipe to \""); |
1167 | else |
1168 | str_cat(opens,") || die 'Cannot create file \""); |
1169 | if (*d == '"') |
1170 | str_cat(opens,"'.\""); |
1171 | str_cat(opens,s); |
1172 | if (*d == '"') |
1173 | str_cat(opens,"\".'"); |
1174 | str_cat(opens,"\".';\n"); |
1175 | hstore(symtab,tokenbuf,str_make("x")); |
1176 | } |
8d063cd8 |
1177 | str_free(tmpstr); |
1178 | str_free(tmp2str); |
1179 | safefree(s); |
1180 | safefree(d); |
1181 | } |
1182 | else { |
a687059c |
1183 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
8d063cd8 |
1184 | tmp2str->str_ptr, tmpstr->str_ptr); |
1185 | str_cat(str,tokenbuf); |
1186 | tab(str,level+1); |
a687059c |
1187 | strcpy(tokenbuf,"$fh"); |
8d063cd8 |
1188 | str_free(tmpstr); |
1189 | str_free(tmp2str); |
378cc40b |
1190 | lparen = "("; |
1191 | rparen = ")"; |
8d063cd8 |
1192 | } |
1193 | } |
1194 | else |
a687059c |
1195 | strcpy(tokenbuf,""); |
378cc40b |
1196 | str_cat(str,lparen); /* may be null */ |
8d063cd8 |
1197 | if (type == OPRINTF) |
1198 | str_cat(str,"printf"); |
1199 | else |
1200 | str_cat(str,"print"); |
d48672a2 |
1201 | saw_fh = 0; |
8d063cd8 |
1202 | if (len == 3 || do_fancy_opens) { |
d48672a2 |
1203 | if (*tokenbuf) { |
8d063cd8 |
1204 | str_cat(str," "); |
d48672a2 |
1205 | saw_fh = 1; |
1206 | } |
8d063cd8 |
1207 | str_cat(str,tokenbuf); |
1208 | } |
a687059c |
1209 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1210 | if (!*tmpstr->str_ptr && lval_field) { |
2b260de0 |
1211 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1212 | if (split_to_array) { |
1213 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1214 | str_cat(tmpstr,tokenbuf); |
1215 | } |
1216 | else { |
1217 | for (i = 1; i < maxfld; i++) { |
1218 | if (i <= arymax) |
1219 | sprintf(tokenbuf,"$%s, ",nameary[i]); |
1220 | else |
1221 | sprintf(tokenbuf,"$Fld%d, ",i); |
1222 | str_cat(tmpstr,tokenbuf); |
1223 | } |
1224 | if (maxfld <= arymax) |
1225 | sprintf(tokenbuf,"$%s",nameary[maxfld]); |
1226 | else |
1227 | sprintf(tokenbuf,"$Fld%d",maxfld); |
1228 | str_cat(tmpstr,tokenbuf); |
1229 | } |
1230 | } |
1231 | if (*tmpstr->str_ptr) { |
1232 | str_cat(str," "); |
d48672a2 |
1233 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
1234 | str_cat(str,"("); |
1235 | str_scat(str,tmpstr); |
1236 | str_cat(str,")"); |
1237 | } |
1238 | else |
1239 | str_scat(str,tmpstr); |
8d063cd8 |
1240 | } |
1241 | else { |
1242 | str_cat(str," $_"); |
1243 | } |
378cc40b |
1244 | str_cat(str,rparen); /* may be null */ |
8d063cd8 |
1245 | str_free(tmpstr); |
1246 | break; |
a687059c |
1247 | case ORAND: |
1248 | str = str_make("rand(1)"); |
1249 | break; |
1250 | case OSRAND: |
1251 | str = str_make("srand("); |
1252 | goto maybe0; |
1253 | case OATAN2: |
1254 | str = str_make("atan2("); |
1255 | goto maybe0; |
1256 | case OSIN: |
1257 | str = str_make("sin("); |
1258 | goto maybe0; |
1259 | case OCOS: |
1260 | str = str_make("cos("); |
1261 | goto maybe0; |
1262 | case OSYSTEM: |
1263 | str = str_make("system("); |
1264 | goto maybe0; |
8d063cd8 |
1265 | case OLENGTH: |
1266 | str = str_make("length("); |
1267 | goto maybe0; |
1268 | case OLOG: |
1269 | str = str_make("log("); |
1270 | goto maybe0; |
1271 | case OEXP: |
1272 | str = str_make("exp("); |
1273 | goto maybe0; |
1274 | case OSQRT: |
1275 | str = str_make("sqrt("); |
1276 | goto maybe0; |
1277 | case OINT: |
1278 | str = str_make("int("); |
1279 | maybe0: |
1280 | numeric = 1; |
1281 | if (len > 0) |
a687059c |
1282 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1283 | else |
db7c17d7 |
1284 | tmpstr = str_new(0); |
fe14fcc3 |
1285 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
8d063cd8 |
1286 | if (lval_field) { |
2b260de0 |
1287 | t = (char*)(saw_OFS ? "$," : "' '"); |
8d063cd8 |
1288 | if (split_to_array) { |
1289 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1290 | str_cat(tmpstr,tokenbuf); |
1291 | } |
1292 | else { |
1293 | sprintf(tokenbuf,"join(%s, ",t); |
1294 | str_cat(tmpstr,tokenbuf); |
1295 | for (i = 1; i < maxfld; i++) { |
1296 | if (i <= arymax) |
1297 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1298 | else |
1299 | sprintf(tokenbuf,"$Fld%d,",i); |
1300 | str_cat(tmpstr,tokenbuf); |
1301 | } |
1302 | if (maxfld <= arymax) |
1303 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1304 | else |
1305 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1306 | str_cat(tmpstr,tokenbuf); |
1307 | } |
1308 | } |
1309 | else |
1310 | str_cat(tmpstr,"$_"); |
1311 | } |
1312 | if (strEQ(tmpstr->str_ptr,"$_")) { |
1313 | if (type == OLENGTH && !do_chop) { |
1314 | str = str_make("(length("); |
1315 | str_cat(tmpstr,") - 1"); |
1316 | } |
1317 | } |
1318 | str_scat(str,tmpstr); |
1319 | str_free(tmpstr); |
1320 | str_cat(str,")"); |
1321 | break; |
1322 | case OBREAK: |
1323 | str = str_new(0); |
1324 | str_set(str,"last"); |
1325 | break; |
1326 | case ONEXT: |
1327 | str = str_new(0); |
1328 | str_set(str,"next line"); |
1329 | break; |
1330 | case OEXIT: |
1331 | str = str_new(0); |
1332 | if (realexit) { |
a687059c |
1333 | prec = P_UNI; |
8d063cd8 |
1334 | str_set(str,"exit"); |
1335 | if (len == 1) { |
1336 | str_cat(str," "); |
1337 | exitval = TRUE; |
a687059c |
1338 | str_scat(str, |
1339 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
1340 | str_free(fstr); |
1341 | } |
1342 | } |
1343 | else { |
1344 | if (len == 1) { |
9f68db38 |
1345 | str_set(str,"$ExitValue = "); |
8d063cd8 |
1346 | exitval = TRUE; |
a687059c |
1347 | str_scat(str, |
1348 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); |
8d063cd8 |
1349 | str_free(fstr); |
1350 | str_cat(str,"; "); |
1351 | } |
1352 | str_cat(str,"last line"); |
1353 | } |
1354 | break; |
1355 | case OCONTINUE: |
1356 | str = str_new(0); |
1357 | str_set(str,"next"); |
1358 | break; |
1359 | case OREDIR: |
1360 | goto def; |
1361 | case OIF: |
1362 | str = str_new(0); |
1363 | str_set(str,"if ("); |
a687059c |
1364 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1365 | str_free(fstr); |
1366 | str_cat(str,") "); |
a687059c |
1367 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1368 | str_free(fstr); |
1369 | if (len == 3) { |
1370 | i = ops[node+3].ival; |
1371 | if (i) { |
1372 | if ((ops[i].ival & 255) == OBLOCK) { |
1373 | i = ops[i+1].ival; |
1374 | if (i) { |
1375 | if ((ops[i].ival & 255) != OIF) |
1376 | i = 0; |
1377 | } |
1378 | } |
1379 | else |
1380 | i = 0; |
1381 | } |
1382 | if (i) { |
1383 | str_cat(str,"els"); |
a687059c |
1384 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
8d063cd8 |
1385 | str_free(fstr); |
1386 | } |
1387 | else { |
1388 | str_cat(str,"else "); |
a687059c |
1389 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1390 | str_free(fstr); |
1391 | } |
1392 | } |
1393 | break; |
1394 | case OWHILE: |
1395 | str = str_new(0); |
1396 | str_set(str,"while ("); |
a687059c |
1397 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1398 | str_free(fstr); |
1399 | str_cat(str,") "); |
a687059c |
1400 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1401 | str_free(fstr); |
1402 | break; |
7c0587c8 |
1403 | case ODO: |
1404 | str = str_new(0); |
1405 | str_set(str,"do "); |
1406 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
1407 | str_free(fstr); |
1408 | if (str->str_ptr[str->str_cur - 1] == '\n') |
db7c17d7 |
1409 | --str->str_cur; |
7c0587c8 |
1410 | str_cat(str," while ("); |
1411 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1412 | str_free(fstr); |
1413 | str_cat(str,");"); |
1414 | break; |
8d063cd8 |
1415 | case OFOR: |
1416 | str = str_new(0); |
1417 | str_set(str,"for ("); |
a687059c |
1418 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1419 | i = numarg; |
1420 | if (i) { |
1421 | t = s = tmpstr->str_ptr; |
3f939f22 |
1422 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_') |
8d063cd8 |
1423 | t++; |
1424 | i = t - s; |
1425 | if (i < 2) |
1426 | i = 0; |
1427 | } |
1428 | str_cat(str,"; "); |
a687059c |
1429 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
a0d0e21e |
1430 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
8d063cd8 |
1431 | if (strnEQ(fstr->str_ptr,s,i)) |
1432 | *t = ' '; |
1433 | } |
1434 | str_scat(str,fstr); |
1435 | str_free(fstr); |
1436 | str_free(tmpstr); |
1437 | str_cat(str,"; "); |
a687059c |
1438 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1439 | str_free(fstr); |
1440 | str_cat(str,") "); |
a687059c |
1441 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
1442 | str_free(fstr); |
1443 | break; |
1444 | case OFORIN: |
a687059c |
1445 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
a0d0e21e |
1446 | d = strchr(tmpstr->str_ptr,'$'); |
a687059c |
1447 | if (!d) |
1448 | fatal("Illegal for loop: %s",tmpstr->str_ptr); |
a0d0e21e |
1449 | s = strchr(d,'{'); |
a687059c |
1450 | if (!s) |
a0d0e21e |
1451 | s = strchr(d,'['); |
a687059c |
1452 | if (!s) |
1453 | fatal("Illegal for loop: %s",d); |
1454 | *s++ = '\0'; |
b7953727 |
1455 | for (t = s; (i = *t); t++) { |
ffed7fef |
1456 | i &= 127; |
1457 | if (i == '}' || i == ']') |
1458 | break; |
1459 | } |
1460 | if (*t) |
a687059c |
1461 | *t = '\0'; |
8d063cd8 |
1462 | str = str_new(0); |
a687059c |
1463 | str_set(str,d+1); |
8d063cd8 |
1464 | str_cat(str,"[]"); |
1465 | tmp2str = hfetch(symtab,str->str_ptr); |
1466 | if (tmp2str && atoi(tmp2str->str_ptr)) { |
8d063cd8 |
1467 | sprintf(tokenbuf, |
62b28dd9 |
1468 | "foreach %s ($[ .. $#%s) ", |
a687059c |
1469 | s, |
1470 | d+1); |
8d063cd8 |
1471 | } |
1472 | else { |
a687059c |
1473 | sprintf(tokenbuf, |
1474 | "foreach %s (keys %%%s) ", |
1475 | s, |
1476 | d+1); |
8d063cd8 |
1477 | } |
a687059c |
1478 | str_set(str,tokenbuf); |
1479 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1480 | str_free(fstr); |
8d063cd8 |
1481 | str_free(tmpstr); |
1482 | break; |
1483 | case OBLOCK: |
1484 | str = str_new(0); |
1485 | str_set(str,"{"); |
378cc40b |
1486 | if (len >= 2 && ops[node+2].ival) { |
a687059c |
1487 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1488 | str_free(fstr); |
1489 | } |
1490 | fixtab(str,++level); |
a687059c |
1491 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1492 | str_free(fstr); |
1493 | addsemi(str); |
1494 | fixtab(str,--level); |
1495 | str_cat(str,"}\n"); |
1496 | tab(str,level); |
378cc40b |
1497 | if (len >= 3) { |
a687059c |
1498 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
378cc40b |
1499 | str_free(fstr); |
1500 | } |
8d063cd8 |
1501 | break; |
1502 | default: |
1503 | def: |
1504 | if (len) { |
1505 | if (len > 5) |
1506 | fatal("Garbage length in walk"); |
a687059c |
1507 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1508 | for (i = 2; i<= len; i++) { |
a687059c |
1509 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
8d063cd8 |
1510 | str_free(fstr); |
1511 | } |
1512 | } |
1513 | else { |
1514 | str = Nullstr; |
1515 | } |
1516 | break; |
1517 | } |
1518 | if (!str) |
1519 | str = str_new(0); |
a687059c |
1520 | |
1521 | if (useval && prec < minprec) { /* need parens? */ |
1522 | fstr = str_new(str->str_cur+2); |
1523 | str_nset(fstr,"(",1); |
1524 | str_scat(fstr,str); |
1525 | str_ncat(fstr,")",1); |
1526 | str_free(str); |
1527 | str = fstr; |
1528 | } |
1529 | |
8d063cd8 |
1530 | *numericptr = numeric; |
1531 | #ifdef DEBUGGING |
1532 | if (debug & 4) { |
1533 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); |
1534 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) |
1535 | if (*t == '\n') |
1536 | printf("\\n"); |
1537 | else if (*t == '\t') |
1538 | printf("\\t"); |
1539 | else |
1540 | putchar(*t); |
1541 | putchar('\n'); |
1542 | } |
1543 | #endif |
1544 | return str; |
1545 | } |
1546 | |
748a9306 |
1547 | static void |
f0f333f4 |
1548 | tab(register STR *str, register int lvl) |
8d063cd8 |
1549 | { |
1550 | while (lvl > 1) { |
1551 | str_cat(str,"\t"); |
1552 | lvl -= 2; |
1553 | } |
1554 | if (lvl) |
1555 | str_cat(str," "); |
1556 | } |
1557 | |
748a9306 |
1558 | static void |
f0f333f4 |
1559 | fixtab(register STR *str, register int lvl) |
8d063cd8 |
1560 | { |
1561 | register char *s; |
1562 | |
1563 | /* strip trailing white space */ |
1564 | |
1565 | s = str->str_ptr+str->str_cur - 1; |
a687059c |
1566 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
8d063cd8 |
1567 | s--; |
1568 | s[1] = '\0'; |
1569 | str->str_cur = s + 1 - str->str_ptr; |
1570 | if (s >= str->str_ptr && *s != '\n') |
1571 | str_cat(str,"\n"); |
1572 | |
1573 | tab(str,lvl); |
1574 | } |
1575 | |
748a9306 |
1576 | static void |
f0f333f4 |
1577 | addsemi(register STR *str) |
8d063cd8 |
1578 | { |
1579 | register char *s; |
1580 | |
1581 | s = str->str_ptr+str->str_cur - 1; |
1582 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
1583 | s--; |
1584 | if (s >= str->str_ptr && *s != ';' && *s != '}') |
1585 | str_cat(str,";"); |
1586 | } |
1587 | |
56febc5e |
1588 | static void |
f0f333f4 |
1589 | emit_split(register STR *str, int level) |
8d063cd8 |
1590 | { |
1591 | register int i; |
1592 | |
1593 | if (split_to_array) |
1594 | str_cat(str,"@Fld"); |
1595 | else { |
1596 | str_cat(str,"("); |
1597 | for (i = 1; i < maxfld; i++) { |
1598 | if (i <= arymax) |
1599 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1600 | else |
1601 | sprintf(tokenbuf,"$Fld%d,",i); |
1602 | str_cat(str,tokenbuf); |
1603 | } |
1604 | if (maxfld <= arymax) |
1605 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1606 | else |
1607 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1608 | str_cat(str,tokenbuf); |
1609 | } |
1610 | if (const_FS) { |
4cec2b33 |
1611 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, -1);\n",const_FS); |
8d063cd8 |
1612 | str_cat(str,tokenbuf); |
1613 | } |
1614 | else if (saw_FS) |
4cec2b33 |
1615 | str_cat(str," = split($FS, $_, -1);\n"); |
8d063cd8 |
1616 | else |
4cec2b33 |
1617 | str_cat(str," = split(' ', $_, -1);\n"); |
8d063cd8 |
1618 | tab(str,level); |
1619 | } |
1620 | |
9c8d0b29 |
1621 | int |
f0f333f4 |
1622 | prewalk(int numit, int level, register int node, int *numericptr) |
8d063cd8 |
1623 | { |
1624 | register int len; |
1625 | register int type; |
1626 | register int i; |
8d063cd8 |
1627 | int numarg; |
1628 | int numeric = FALSE; |
a687059c |
1629 | STR *tmpstr; |
1630 | STR *tmp2str; |
8d063cd8 |
1631 | |
1632 | if (!node) { |
1633 | *numericptr = 0; |
1634 | return 0; |
1635 | } |
1636 | type = ops[node].ival; |
1637 | len = type >> 8; |
1638 | type &= 255; |
1639 | switch (type) { |
1640 | case OPROG: |
1641 | prewalk(0,level,ops[node+1].ival,&numarg); |
1642 | if (ops[node+2].ival) { |
1643 | prewalk(0,level,ops[node+2].ival,&numarg); |
1644 | } |
1645 | ++level; |
1646 | prewalk(0,level,ops[node+3].ival,&numarg); |
1647 | --level; |
1648 | if (ops[node+3].ival) { |
1649 | prewalk(0,level,ops[node+4].ival,&numarg); |
1650 | } |
1651 | break; |
1652 | case OHUNKS: |
1653 | prewalk(0,level,ops[node+1].ival,&numarg); |
1654 | prewalk(0,level,ops[node+2].ival,&numarg); |
1655 | if (len == 3) { |
1656 | prewalk(0,level,ops[node+3].ival,&numarg); |
1657 | } |
1658 | break; |
1659 | case ORANGE: |
1660 | prewalk(1,level,ops[node+1].ival,&numarg); |
1661 | prewalk(1,level,ops[node+2].ival,&numarg); |
1662 | break; |
1663 | case OPAT: |
1664 | goto def; |
1665 | case OREGEX: |
1666 | prewalk(0,level,ops[node+1].ival,&numarg); |
1667 | break; |
1668 | case OHUNK: |
1669 | if (len == 1) { |
1670 | prewalk(0,level,ops[node+1].ival,&numarg); |
1671 | } |
1672 | else { |
1673 | i = prewalk(0,level,ops[node+1].ival,&numarg); |
1674 | if (i) { |
1675 | ++level; |
1676 | prewalk(0,level,ops[node+2].ival,&numarg); |
1677 | --level; |
1678 | } |
1679 | else { |
1680 | prewalk(0,level,ops[node+2].ival,&numarg); |
1681 | } |
1682 | } |
1683 | break; |
1684 | case OPPAREN: |
1685 | prewalk(0,level,ops[node+1].ival,&numarg); |
1686 | break; |
1687 | case OPANDAND: |
1688 | prewalk(0,level,ops[node+1].ival,&numarg); |
1689 | prewalk(0,level,ops[node+2].ival,&numarg); |
1690 | break; |
1691 | case OPOROR: |
1692 | prewalk(0,level,ops[node+1].ival,&numarg); |
1693 | prewalk(0,level,ops[node+2].ival,&numarg); |
1694 | break; |
1695 | case OPNOT: |
1696 | prewalk(0,level,ops[node+1].ival,&numarg); |
1697 | break; |
1698 | case OCPAREN: |
1699 | prewalk(0,level,ops[node+1].ival,&numarg); |
1700 | numeric |= numarg; |
1701 | break; |
1702 | case OCANDAND: |
1703 | prewalk(0,level,ops[node+1].ival,&numarg); |
1704 | numeric = 1; |
1705 | prewalk(0,level,ops[node+2].ival,&numarg); |
1706 | break; |
1707 | case OCOROR: |
1708 | prewalk(0,level,ops[node+1].ival,&numarg); |
1709 | numeric = 1; |
1710 | prewalk(0,level,ops[node+2].ival,&numarg); |
1711 | break; |
1712 | case OCNOT: |
1713 | prewalk(0,level,ops[node+1].ival,&numarg); |
1714 | numeric = 1; |
1715 | break; |
1716 | case ORELOP: |
1717 | prewalk(0,level,ops[node+2].ival,&numarg); |
1718 | numeric |= numarg; |
1719 | prewalk(0,level,ops[node+1].ival,&numarg); |
1720 | prewalk(0,level,ops[node+3].ival,&numarg); |
1721 | numeric |= numarg; |
1722 | numeric = 1; |
1723 | break; |
1724 | case ORPAREN: |
1725 | prewalk(0,level,ops[node+1].ival,&numarg); |
1726 | numeric |= numarg; |
1727 | break; |
1728 | case OMATCHOP: |
1729 | prewalk(0,level,ops[node+2].ival,&numarg); |
1730 | prewalk(0,level,ops[node+1].ival,&numarg); |
1731 | prewalk(0,level,ops[node+3].ival,&numarg); |
1732 | numeric = 1; |
1733 | break; |
1734 | case OMPAREN: |
1735 | prewalk(0,level,ops[node+1].ival,&numarg); |
1736 | numeric |= numarg; |
1737 | break; |
1738 | case OCONCAT: |
1739 | prewalk(0,level,ops[node+1].ival,&numarg); |
1740 | prewalk(0,level,ops[node+2].ival,&numarg); |
1741 | break; |
1742 | case OASSIGN: |
1743 | prewalk(0,level,ops[node+2].ival,&numarg); |
1744 | prewalk(0,level,ops[node+1].ival,&numarg); |
1745 | prewalk(0,level,ops[node+3].ival,&numarg); |
75f92628 |
1746 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
8d063cd8 |
1747 | numericize(ops[node+2].ival); |
1748 | if (!numarg) |
1749 | numericize(ops[node+3].ival); |
1750 | } |
1751 | numeric |= numarg; |
1752 | break; |
1753 | case OADD: |
1754 | prewalk(1,level,ops[node+1].ival,&numarg); |
1755 | prewalk(1,level,ops[node+2].ival,&numarg); |
1756 | numeric = 1; |
1757 | break; |
a687059c |
1758 | case OSUBTRACT: |
8d063cd8 |
1759 | prewalk(1,level,ops[node+1].ival,&numarg); |
1760 | prewalk(1,level,ops[node+2].ival,&numarg); |
1761 | numeric = 1; |
1762 | break; |
1763 | case OMULT: |
1764 | prewalk(1,level,ops[node+1].ival,&numarg); |
1765 | prewalk(1,level,ops[node+2].ival,&numarg); |
1766 | numeric = 1; |
1767 | break; |
1768 | case ODIV: |
1769 | prewalk(1,level,ops[node+1].ival,&numarg); |
1770 | prewalk(1,level,ops[node+2].ival,&numarg); |
1771 | numeric = 1; |
1772 | break; |
a687059c |
1773 | case OPOW: |
1774 | prewalk(1,level,ops[node+1].ival,&numarg); |
1775 | prewalk(1,level,ops[node+2].ival,&numarg); |
1776 | numeric = 1; |
1777 | break; |
8d063cd8 |
1778 | case OMOD: |
1779 | prewalk(1,level,ops[node+1].ival,&numarg); |
1780 | prewalk(1,level,ops[node+2].ival,&numarg); |
1781 | numeric = 1; |
1782 | break; |
1783 | case OPOSTINCR: |
1784 | prewalk(1,level,ops[node+1].ival,&numarg); |
1785 | numeric = 1; |
1786 | break; |
1787 | case OPOSTDECR: |
1788 | prewalk(1,level,ops[node+1].ival,&numarg); |
1789 | numeric = 1; |
1790 | break; |
1791 | case OPREINCR: |
1792 | prewalk(1,level,ops[node+1].ival,&numarg); |
1793 | numeric = 1; |
1794 | break; |
1795 | case OPREDECR: |
1796 | prewalk(1,level,ops[node+1].ival,&numarg); |
1797 | numeric = 1; |
1798 | break; |
1799 | case OUMINUS: |
1800 | prewalk(1,level,ops[node+1].ival,&numarg); |
1801 | numeric = 1; |
1802 | break; |
1803 | case OUPLUS: |
1804 | prewalk(1,level,ops[node+1].ival,&numarg); |
1805 | numeric = 1; |
1806 | break; |
1807 | case OPAREN: |
1808 | prewalk(0,level,ops[node+1].ival,&numarg); |
1809 | numeric |= numarg; |
1810 | break; |
1811 | case OGETLINE: |
1812 | break; |
1813 | case OSPRINTF: |
1814 | prewalk(0,level,ops[node+1].ival,&numarg); |
1815 | break; |
1816 | case OSUBSTR: |
1817 | prewalk(0,level,ops[node+1].ival,&numarg); |
1818 | prewalk(1,level,ops[node+2].ival,&numarg); |
1819 | if (len == 3) { |
1820 | prewalk(1,level,ops[node+3].ival,&numarg); |
1821 | } |
1822 | break; |
1823 | case OSTRING: |
1824 | break; |
1825 | case OSPLIT: |
1826 | numeric = 1; |
1827 | prewalk(0,level,ops[node+2].ival,&numarg); |
1828 | if (len == 3) |
1829 | prewalk(0,level,ops[node+3].ival,&numarg); |
1830 | prewalk(0,level,ops[node+1].ival,&numarg); |
1831 | break; |
1832 | case OINDEX: |
1833 | prewalk(0,level,ops[node+1].ival,&numarg); |
1834 | prewalk(0,level,ops[node+2].ival,&numarg); |
1835 | numeric = 1; |
1836 | break; |
a687059c |
1837 | case OMATCH: |
1838 | prewalk(0,level,ops[node+1].ival,&numarg); |
1839 | prewalk(0,level,ops[node+2].ival,&numarg); |
1840 | numeric = 1; |
1841 | break; |
1842 | case OUSERDEF: |
1843 | subretnum = FALSE; |
1844 | --level; |
1845 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1846 | ++level; |
1847 | prewalk(0,level,ops[node+2].ival,&numarg); |
1848 | prewalk(0,level,ops[node+4].ival,&numarg); |
1849 | prewalk(0,level,ops[node+5].ival,&numarg); |
1850 | --level; |
1851 | str_cat(tmpstr,"("); |
1852 | tmp2str = str_new(0); |
1853 | if (subretnum || numarg) |
1854 | str_set(tmp2str,"1"); |
1855 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
1856 | str_free(tmpstr); |
1857 | level++; |
1858 | break; |
1859 | case ORETURN: |
1860 | if (len > 0) { |
1861 | prewalk(0,level,ops[node+1].ival,&numarg); |
1862 | if (numarg) |
1863 | subretnum = TRUE; |
1864 | } |
1865 | break; |
1866 | case OUSERFUN: |
1867 | tmp2str = str_new(0); |
1868 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
663a0e37 |
1869 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
a687059c |
1870 | str_free(tmpstr); |
1871 | str_cat(tmp2str,"("); |
1872 | tmpstr = hfetch(symtab,tmp2str->str_ptr); |
1873 | if (tmpstr && tmpstr->str_ptr) |
1874 | numeric |= atoi(tmpstr->str_ptr); |
1875 | prewalk(0,level,ops[node+2].ival,&numarg); |
1876 | str_free(tmp2str); |
1877 | break; |
1878 | case OGSUB: |
1879 | case OSUB: |
1880 | if (len >= 3) |
1881 | prewalk(0,level,ops[node+3].ival,&numarg); |
1882 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); |
1883 | prewalk(0,level,ops[node+1].ival,&numarg); |
1884 | numeric = 1; |
1885 | break; |
8d063cd8 |
1886 | case ONUM: |
1887 | prewalk(0,level,ops[node+1].ival,&numarg); |
1888 | numeric = 1; |
1889 | break; |
1890 | case OSTR: |
1891 | prewalk(0,level,ops[node+1].ival,&numarg); |
1892 | break; |
a687059c |
1893 | case ODEFINED: |
1894 | case ODELETE: |
1895 | case OSTAR: |
8d063cd8 |
1896 | case OVAR: |
1897 | prewalk(0,level,ops[node+1].ival,&numarg); |
1898 | if (len == 1) { |
1899 | if (numit) |
1900 | numericize(node); |
1901 | } |
1902 | else { |
1903 | prewalk(0,level,ops[node+2].ival,&numarg); |
1904 | } |
1905 | break; |
1906 | case OFLD: |
1907 | prewalk(0,level,ops[node+1].ival,&numarg); |
1908 | break; |
1909 | case OVFLD: |
1910 | i = ops[node+1].ival; |
1911 | prewalk(0,level,i,&numarg); |
1912 | break; |
1913 | case OJUNK: |
1914 | goto def; |
1915 | case OSNEWLINE: |
1916 | break; |
1917 | case ONEWLINE: |
1918 | break; |
1919 | case OSCOMMENT: |
1920 | break; |
1921 | case OCOMMENT: |
1922 | break; |
1923 | case OCOMMA: |
1924 | prewalk(0,level,ops[node+1].ival,&numarg); |
1925 | prewalk(0,level,ops[node+2].ival,&numarg); |
a687059c |
1926 | prewalk(0,level,ops[node+3].ival,&numarg); |
8d063cd8 |
1927 | break; |
1928 | case OSEMICOLON: |
1929 | break; |
1930 | case OSTATES: |
1931 | prewalk(0,level,ops[node+1].ival,&numarg); |
1932 | prewalk(0,level,ops[node+2].ival,&numarg); |
1933 | break; |
1934 | case OSTATE: |
1935 | if (len >= 1) { |
1936 | prewalk(0,level,ops[node+1].ival,&numarg); |
1937 | if (len >= 2) { |
1938 | prewalk(0,level,ops[node+2].ival,&numarg); |
1939 | } |
1940 | } |
1941 | break; |
a687059c |
1942 | case OCLOSE: |
1943 | prewalk(0,level,ops[node+1].ival,&numarg); |
1944 | break; |
8d063cd8 |
1945 | case OPRINTF: |
1946 | case OPRINT: |
1947 | if (len == 3) { /* output redirection */ |
1948 | prewalk(0,level,ops[node+3].ival,&numarg); |
1949 | prewalk(0,level,ops[node+2].ival,&numarg); |
1950 | } |
1951 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); |
1952 | break; |
a687059c |
1953 | case ORAND: |
1954 | break; |
1955 | case OSRAND: |
1956 | goto maybe0; |
1957 | case OATAN2: |
1958 | goto maybe0; |
1959 | case OSIN: |
1960 | goto maybe0; |
1961 | case OCOS: |
1962 | goto maybe0; |
1963 | case OSYSTEM: |
1964 | goto maybe0; |
8d063cd8 |
1965 | case OLENGTH: |
1966 | goto maybe0; |
1967 | case OLOG: |
1968 | goto maybe0; |
1969 | case OEXP: |
1970 | goto maybe0; |
1971 | case OSQRT: |
1972 | goto maybe0; |
1973 | case OINT: |
1974 | maybe0: |
1975 | numeric = 1; |
1976 | if (len > 0) |
a687059c |
1977 | prewalk(type != OLENGTH && type != OSYSTEM, |
1978 | level,ops[node+1].ival,&numarg); |
8d063cd8 |
1979 | break; |
1980 | case OBREAK: |
1981 | break; |
1982 | case ONEXT: |
1983 | break; |
1984 | case OEXIT: |
1985 | if (len == 1) { |
1986 | prewalk(1,level,ops[node+1].ival,&numarg); |
1987 | } |
1988 | break; |
1989 | case OCONTINUE: |
1990 | break; |
1991 | case OREDIR: |
1992 | goto def; |
1993 | case OIF: |
1994 | prewalk(0,level,ops[node+1].ival,&numarg); |
1995 | prewalk(0,level,ops[node+2].ival,&numarg); |
1996 | if (len == 3) { |
1997 | prewalk(0,level,ops[node+3].ival,&numarg); |
1998 | } |
1999 | break; |
2000 | case OWHILE: |
2001 | prewalk(0,level,ops[node+1].ival,&numarg); |
2002 | prewalk(0,level,ops[node+2].ival,&numarg); |
2003 | break; |
2004 | case OFOR: |
2005 | prewalk(0,level,ops[node+1].ival,&numarg); |
2006 | prewalk(0,level,ops[node+2].ival,&numarg); |
2007 | prewalk(0,level,ops[node+3].ival,&numarg); |
2008 | prewalk(0,level,ops[node+4].ival,&numarg); |
2009 | break; |
2010 | case OFORIN: |
2011 | prewalk(0,level,ops[node+2].ival,&numarg); |
2012 | prewalk(0,level,ops[node+1].ival,&numarg); |
8d063cd8 |
2013 | break; |
2014 | case OBLOCK: |
2015 | if (len == 2) { |
2016 | prewalk(0,level,ops[node+2].ival,&numarg); |
2017 | } |
2018 | ++level; |
2019 | prewalk(0,level,ops[node+1].ival,&numarg); |
2020 | --level; |
2021 | break; |
2022 | default: |
2023 | def: |
2024 | if (len) { |
2025 | if (len > 5) |
2026 | fatal("Garbage length in prewalk"); |
2027 | prewalk(0,level,ops[node+1].ival,&numarg); |
2028 | for (i = 2; i<= len; i++) { |
2029 | prewalk(0,level,ops[node+i].ival,&numarg); |
2030 | } |
2031 | } |
2032 | break; |
2033 | } |
2034 | *numericptr = numeric; |
2035 | return 1; |
2036 | } |
2037 | |
748a9306 |
2038 | static void |
f0f333f4 |
2039 | numericize(register int node) |
8d063cd8 |
2040 | { |
2041 | register int len; |
2042 | register int type; |
8d063cd8 |
2043 | STR *tmpstr; |
2044 | STR *tmp2str; |
2045 | int numarg; |
2046 | |
2047 | type = ops[node].ival; |
2048 | len = type >> 8; |
2049 | type &= 255; |
2050 | if (type == OVAR && len == 1) { |
a687059c |
2051 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
2052 | tmp2str = str_make("1"); |
2053 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
2054 | } |
2055 | } |