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; |
aab39148 |
22 | const char *lparen; |
23 | const char *rparen; |
24 | const char *limit; |
a687059c |
25 | STR *subs; |
d34ed59f |
26 | STR *curargs = NULL; |
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); |
aab39148 |
39 | char *instr(char *big, const char *little); |
011f1a1a |
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; |
8d063cd8 |
87 | if (fswitch && !const_FS) |
88 | const_FS = fswitch; |
89 | if (saw_FS > 1 || saw_RS) |
90 | const_FS = 0; |
91 | if (saw_ORS && need_entire) |
92 | do_chop = TRUE; |
93 | if (fswitch) { |
94 | str_cat(str,"$FS = '"); |
a0d0e21e |
95 | if (strchr("*+?.[]()|^$\\",fswitch)) |
8d063cd8 |
96 | str_cat(str,"\\"); |
97 | sprintf(tokenbuf,"%c",fswitch); |
98 | str_cat(str,tokenbuf); |
99 | str_cat(str,"';\t\t# field separator from -F switch\n"); |
100 | } |
101 | else if (saw_FS && !const_FS) { |
9bb9d9f7 |
102 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
8d063cd8 |
103 | } |
104 | if (saw_OFS) { |
a559c259 |
105 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
8d063cd8 |
106 | } |
107 | if (saw_ORS) { |
a559c259 |
108 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
8d063cd8 |
109 | } |
a687059c |
110 | if (saw_argv0) { |
111 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); |
112 | } |
8d063cd8 |
113 | if (str->str_cur > 20) |
114 | str_cat(str,"\n"); |
115 | if (ops[node+2].ival) { |
a687059c |
116 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
117 | str_free(fstr); |
118 | str_cat(str,"\n\n"); |
119 | } |
a687059c |
120 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
121 | if (*fstr->str_ptr) { |
122 | if (saw_line_op) |
123 | str_cat(str,"line: "); |
124 | str_cat(str,"while (<>) {\n"); |
125 | tab(str,++level); |
126 | if (saw_FS && !const_FS) |
127 | do_chop = TRUE; |
128 | if (do_chop) { |
7bdaec8a |
129 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
130 | tab(str,level); |
8d063cd8 |
131 | } |
a687059c |
132 | if (do_split) |
133 | emit_split(str,level); |
134 | str_scat(str,fstr); |
135 | str_free(fstr); |
136 | fixtab(str,--level); |
137 | str_cat(str,"}\n"); |
138 | if (saw_FNR) |
139 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); |
8d063cd8 |
140 | } |
a5571d59 |
141 | else if (old_awk) |
ae986130 |
142 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
8d063cd8 |
143 | if (ops[node+4].ival) { |
144 | realexit = TRUE; |
145 | str_cat(str,"\n"); |
146 | tab(str,level); |
a687059c |
147 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
148 | str_free(fstr); |
149 | str_cat(str,"\n"); |
150 | } |
151 | if (exitval) |
9f68db38 |
152 | str_cat(str,"exit $ExitValue;\n"); |
a687059c |
153 | if (subs->str_ptr) { |
154 | str_cat(str,"\n"); |
155 | str_scat(str,subs); |
156 | } |
378cc40b |
157 | if (saw_getline) { |
a687059c |
158 | for (len = 0; len < 4; len++) { |
159 | if (saw_getline & (1 << len)) { |
160 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); |
161 | str_cat(str, tokenbuf); |
162 | if (len & 2) { |
163 | if (do_fancy_opens) |
164 | str_cat(str," &Pick('',@_);\n"); |
165 | else |
166 | str_cat(str," ($fh) = @_;\n"); |
167 | } |
168 | else { |
169 | if (saw_FNR) |
170 | str_cat(str," $FNRbase = $. if eof;\n"); |
171 | } |
172 | if (len & 1) |
62b28dd9 |
173 | str_cat(str," local($_);\n"); |
a687059c |
174 | if (len & 2) |
175 | str_cat(str, |
176 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); |
177 | else |
178 | str_cat(str, |
179 | " if ($getline_ok = (($_ = <>) ne ''))"); |
180 | str_cat(str, " {\n"); |
181 | level += 2; |
182 | tab(str,level); |
183 | i = 0; |
184 | if (do_chop) { |
185 | i++; |
7bdaec8a |
186 | str_cat(str,"chomp;\t# strip record separator\n"); |
a687059c |
187 | tab(str,level); |
188 | } |
189 | if (do_split && !(len & 1)) { |
190 | i++; |
191 | emit_split(str,level); |
192 | } |
193 | if (!i) |
194 | str_cat(str,";\n"); |
195 | fixtab(str,--level); |
196 | str_cat(str,"}\n $_;\n}\n"); |
197 | --level; |
198 | } |
378cc40b |
199 | } |
378cc40b |
200 | } |
8d063cd8 |
201 | if (do_fancy_opens) { |
202 | str_cat(str,"\n\ |
203 | sub Pick {\n\ |
a687059c |
204 | local($mode,$name,$pipe) = @_;\n\ |
7c0587c8 |
205 | $fh = $name;\n\ |
206 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ |
8d063cd8 |
207 | }\n\ |
208 | "); |
209 | } |
210 | break; |
211 | case OHUNKS: |
a687059c |
212 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
213 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
214 | str_free(fstr); |
215 | if (len == 3) { |
a687059c |
216 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
217 | str_free(fstr); |
218 | } |
219 | else { |
220 | } |
221 | break; |
222 | case ORANGE: |
a687059c |
223 | prec = P_DOTDOT; |
224 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
225 | str_cat(str," .. "); |
a687059c |
226 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
227 | str_free(fstr); |
228 | break; |
229 | case OPAT: |
230 | goto def; |
231 | case OREGEX: |
232 | str = str_new(0); |
233 | str_set(str,"/"); |
a687059c |
234 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
235 | /* translate \nnn to [\nnn] */ |
236 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { |
3f939f22 |
237 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){ |
8d063cd8 |
238 | *d++ = '['; |
239 | *d++ = *s++; |
240 | *d++ = *s++; |
241 | *d++ = *s++; |
242 | *d++ = *s; |
243 | *d = ']'; |
244 | } |
245 | else |
246 | *d = *s; |
247 | } |
248 | *d = '\0'; |
378cc40b |
249 | for (d=tokenbuf; *d; d++) |
c5cf9ec2 |
250 | *d += (char)128; |
8d063cd8 |
251 | str_cat(str,tokenbuf); |
252 | str_free(tmpstr); |
253 | str_cat(str,"/"); |
254 | break; |
255 | case OHUNK: |
256 | if (len == 1) { |
257 | str = str_new(0); |
a687059c |
258 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
8d063cd8 |
259 | str_cat(str," if "); |
a687059c |
260 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
261 | str_free(fstr); |
262 | str_cat(str,";"); |
263 | } |
264 | else { |
a687059c |
265 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
266 | if (*tmpstr->str_ptr) { |
267 | str = str_new(0); |
268 | str_set(str,"if ("); |
269 | str_scat(str,tmpstr); |
270 | str_cat(str,") {\n"); |
271 | tab(str,++level); |
a687059c |
272 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
273 | str_free(fstr); |
274 | fixtab(str,--level); |
275 | str_cat(str,"}\n"); |
276 | tab(str,level); |
277 | } |
278 | else { |
a687059c |
279 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
280 | } |
281 | } |
282 | break; |
283 | case OPPAREN: |
284 | str = str_new(0); |
285 | str_set(str,"("); |
a687059c |
286 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
287 | str_free(fstr); |
288 | str_cat(str,")"); |
289 | break; |
290 | case OPANDAND: |
a687059c |
291 | prec = P_ANDAND; |
292 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
293 | str_cat(str," && "); |
a687059c |
294 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
295 | str_free(fstr); |
296 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
297 | str_free(fstr); |
298 | break; |
299 | case OPOROR: |
a687059c |
300 | prec = P_OROR; |
301 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
302 | str_cat(str," || "); |
a687059c |
303 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
304 | str_free(fstr); |
305 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
306 | str_free(fstr); |
307 | break; |
308 | case OPNOT: |
a687059c |
309 | prec = P_UNARY; |
8d063cd8 |
310 | str = str_new(0); |
311 | str_set(str,"!"); |
a687059c |
312 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
313 | str_free(fstr); |
314 | break; |
62b28dd9 |
315 | case OCOND: |
316 | prec = P_COND; |
317 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
318 | str_cat(str," ? "); |
319 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
320 | str_free(fstr); |
321 | str_cat(str," : "); |
322 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
323 | str_free(fstr); |
324 | break; |
8d063cd8 |
325 | case OCPAREN: |
326 | str = str_new(0); |
327 | str_set(str,"("); |
a687059c |
328 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
329 | str_free(fstr); |
330 | numeric |= numarg; |
331 | str_cat(str,")"); |
332 | break; |
333 | case OCANDAND: |
a687059c |
334 | prec = P_ANDAND; |
335 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
336 | numeric = 1; |
337 | str_cat(str," && "); |
a687059c |
338 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
339 | str_free(fstr); |
340 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
341 | str_free(fstr); |
342 | break; |
343 | case OCOROR: |
a687059c |
344 | prec = P_OROR; |
345 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
346 | numeric = 1; |
347 | str_cat(str," || "); |
a687059c |
348 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
349 | str_free(fstr); |
350 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
351 | str_free(fstr); |
352 | break; |
353 | case OCNOT: |
a687059c |
354 | prec = P_UNARY; |
8d063cd8 |
355 | str = str_new(0); |
356 | str_set(str,"!"); |
a687059c |
357 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
358 | str_free(fstr); |
359 | numeric = 1; |
360 | break; |
361 | case ORELOP: |
a687059c |
362 | prec = P_REL; |
363 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
364 | numeric |= numarg; |
a687059c |
365 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
366 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); |
8d063cd8 |
367 | numeric |= numarg; |
a687059c |
368 | if (!numeric || |
369 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { |
8d063cd8 |
370 | t = tmpstr->str_ptr; |
371 | if (strEQ(t,"==")) |
372 | str_set(tmpstr,"eq"); |
373 | else if (strEQ(t,"!=")) |
374 | str_set(tmpstr,"ne"); |
375 | else if (strEQ(t,"<")) |
376 | str_set(tmpstr,"lt"); |
377 | else if (strEQ(t,"<=")) |
378 | str_set(tmpstr,"le"); |
379 | else if (strEQ(t,">")) |
380 | str_set(tmpstr,"gt"); |
381 | else if (strEQ(t,">=")) |
382 | str_set(tmpstr,"ge"); |
a0d0e21e |
383 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
384 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) |
8d063cd8 |
385 | numeric |= 2; |
386 | } |
387 | if (numeric & 2) { |
388 | if (numeric & 1) /* numeric is very good guess */ |
389 | str_cat(str," "); |
390 | else |
391 | str_cat(str,"\377"); |
392 | numeric = 1; |
393 | } |
394 | else |
395 | str_cat(str," "); |
396 | str_scat(str,tmpstr); |
397 | str_free(tmpstr); |
398 | str_cat(str," "); |
399 | str_scat(str,tmp2str); |
400 | str_free(tmp2str); |
401 | numeric = 1; |
402 | break; |
403 | case ORPAREN: |
404 | str = str_new(0); |
405 | str_set(str,"("); |
a687059c |
406 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
407 | str_free(fstr); |
408 | numeric |= numarg; |
409 | str_cat(str,")"); |
410 | break; |
411 | case OMATCHOP: |
a687059c |
412 | prec = P_MATCH; |
413 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
414 | str_cat(str," "); |
a687059c |
415 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
416 | if (strEQ(tmpstr->str_ptr,"~")) |
417 | str_cat(str,"=~"); |
418 | else { |
419 | str_scat(str,tmpstr); |
420 | str_free(tmpstr); |
421 | } |
422 | str_cat(str," "); |
a687059c |
423 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
424 | str_free(fstr); |
425 | numeric = 1; |
426 | break; |
427 | case OMPAREN: |
428 | str = str_new(0); |
429 | str_set(str,"("); |
a687059c |
430 | str_scat(str, |
431 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
432 | str_free(fstr); |
433 | numeric |= numarg; |
434 | str_cat(str,")"); |
435 | break; |
436 | case OCONCAT: |
a687059c |
437 | prec = P_ADD; |
438 | type = ops[ops[node+1].ival].ival & 255; |
439 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); |
8d063cd8 |
440 | str_cat(str," . "); |
a687059c |
441 | type = ops[ops[node+2].ival].ival & 255; |
442 | str_scat(str, |
443 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); |
8d063cd8 |
444 | str_free(fstr); |
445 | break; |
446 | case OASSIGN: |
a687059c |
447 | prec = P_ASSIGN; |
448 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); |
8d063cd8 |
449 | str_cat(str," "); |
a687059c |
450 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
451 | str_scat(str,tmpstr); |
452 | if (str_len(tmpstr) > 1) |
453 | numeric = 1; |
454 | str_free(tmpstr); |
455 | str_cat(str," "); |
a687059c |
456 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
8d063cd8 |
457 | str_free(fstr); |
458 | numeric |= numarg; |
7c0587c8 |
459 | if (strEQ(str->str_ptr,"$/ = ''")) |
460 | str_set(str, "$/ = \"\\n\\n\""); |
8d063cd8 |
461 | break; |
462 | case OADD: |
a687059c |
463 | prec = P_ADD; |
464 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
465 | str_cat(str," + "); |
a687059c |
466 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
467 | str_free(fstr); |
468 | numeric = 1; |
469 | break; |
a687059c |
470 | case OSUBTRACT: |
471 | prec = P_ADD; |
472 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
473 | str_cat(str," - "); |
a687059c |
474 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
475 | str_free(fstr); |
476 | numeric = 1; |
477 | break; |
478 | case OMULT: |
a687059c |
479 | prec = P_MUL; |
480 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
481 | str_cat(str," * "); |
a687059c |
482 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
483 | str_free(fstr); |
484 | numeric = 1; |
485 | break; |
486 | case ODIV: |
a687059c |
487 | prec = P_MUL; |
488 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
489 | str_cat(str," / "); |
a687059c |
490 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
491 | str_free(fstr); |
492 | numeric = 1; |
493 | break; |
494 | case OPOW: |
495 | prec = P_POW; |
496 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
497 | str_cat(str," ** "); |
498 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); |
8d063cd8 |
499 | str_free(fstr); |
500 | numeric = 1; |
501 | break; |
502 | case OMOD: |
a687059c |
503 | prec = P_MUL; |
504 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
505 | str_cat(str," % "); |
a687059c |
506 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
8d063cd8 |
507 | str_free(fstr); |
508 | numeric = 1; |
509 | break; |
510 | case OPOSTINCR: |
a687059c |
511 | prec = P_AUTO; |
512 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
513 | str_cat(str,"++"); |
514 | numeric = 1; |
515 | break; |
516 | case OPOSTDECR: |
a687059c |
517 | prec = P_AUTO; |
518 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
8d063cd8 |
519 | str_cat(str,"--"); |
520 | numeric = 1; |
521 | break; |
522 | case OPREINCR: |
a687059c |
523 | prec = P_AUTO; |
8d063cd8 |
524 | str = str_new(0); |
525 | str_set(str,"++"); |
a687059c |
526 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
527 | str_free(fstr); |
528 | numeric = 1; |
529 | break; |
530 | case OPREDECR: |
a687059c |
531 | prec = P_AUTO; |
8d063cd8 |
532 | str = str_new(0); |
533 | str_set(str,"--"); |
a687059c |
534 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
535 | str_free(fstr); |
536 | numeric = 1; |
537 | break; |
538 | case OUMINUS: |
a687059c |
539 | prec = P_UNARY; |
8d063cd8 |
540 | str = str_new(0); |
541 | str_set(str,"-"); |
a687059c |
542 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
8d063cd8 |
543 | str_free(fstr); |
544 | numeric = 1; |
545 | break; |
546 | case OUPLUS: |
547 | numeric = 1; |
548 | goto def; |
549 | case OPAREN: |
550 | str = str_new(0); |
551 | str_set(str,"("); |
a687059c |
552 | str_scat(str, |
553 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
554 | str_free(fstr); |
555 | str_cat(str,")"); |
556 | numeric |= numarg; |
557 | break; |
558 | case OGETLINE: |
559 | str = str_new(0); |
a687059c |
560 | if (useval) |
561 | str_cat(str,"("); |
562 | if (len > 0) { |
a687059c |
563 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
564 | if (!*fstr->str_ptr) { |
7c0587c8 |
565 | str_cat(str,"$_"); |
a687059c |
566 | len = 2; /* a legal fiction */ |
567 | } |
568 | str_free(fstr); |
569 | } |
570 | else |
571 | str_cat(str,"$_"); |
572 | if (len > 1) { |
573 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
574 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
575 | if (!do_fancy_opens) { |
576 | t = tmpstr->str_ptr; |
577 | if (*t == '"' || *t == '\'') |
578 | t = cpytill(tokenbuf,t+1,*t); |
579 | else |
580 | fatal("Internal error: OGETLINE %s", t); |
581 | d = savestr(t); |
582 | s = savestr(tokenbuf); |
583 | for (t = tokenbuf; *t; t++) { |
584 | *t &= 127; |
3f939f22 |
585 | if (isLOWER(*t)) |
586 | *t = toUPPER(*t); |
587 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
588 | *t = '_'; |
589 | } |
a0d0e21e |
590 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
591 | strcpy(t,"_FH"); |
a687059c |
592 | tmp3str = hfetch(symtab,tokenbuf); |
593 | if (!tmp3str) { |
594 | do_opens = TRUE; |
595 | str_cat(opens,"open("); |
596 | str_cat(opens,tokenbuf); |
597 | str_cat(opens,", "); |
598 | d[1] = '\0'; |
599 | str_cat(opens,d); |
600 | str_cat(opens,tmpstr->str_ptr+1); |
601 | opens->str_cur--; |
602 | if (*fstr->str_ptr == '|') |
603 | str_cat(opens,"|"); |
604 | str_cat(opens,d); |
605 | if (*fstr->str_ptr == '|') |
606 | str_cat(opens,") || die 'Cannot pipe from \""); |
607 | else |
608 | str_cat(opens,") || die 'Cannot open file \""); |
609 | if (*d == '"') |
610 | str_cat(opens,"'.\""); |
611 | str_cat(opens,s); |
612 | if (*d == '"') |
613 | str_cat(opens,"\".'"); |
614 | str_cat(opens,"\".';\n"); |
615 | hstore(symtab,tokenbuf,str_make("x")); |
616 | } |
617 | safefree(s); |
618 | safefree(d); |
619 | str_set(tmpstr,"'"); |
620 | str_cat(tmpstr,tokenbuf); |
621 | str_cat(tmpstr,"'"); |
622 | } |
623 | if (*fstr->str_ptr == '|') |
624 | str_cat(tmpstr,", '|'"); |
625 | str_free(fstr); |
626 | } |
627 | else |
628 | tmpstr = str_make(""); |
629 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); |
630 | str_cat(str,tokenbuf); |
631 | str_free(tmpstr); |
632 | if (useval) |
633 | str_cat(str,",$getline_ok)"); |
634 | saw_getline |= 1 << len; |
8d063cd8 |
635 | break; |
636 | case OSPRINTF: |
637 | str = str_new(0); |
638 | str_set(str,"sprintf("); |
a687059c |
639 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
640 | str_free(fstr); |
641 | str_cat(str,")"); |
642 | break; |
643 | case OSUBSTR: |
644 | str = str_new(0); |
645 | str_set(str,"substr("); |
a687059c |
646 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
647 | str_free(fstr); |
19720b39 |
648 | str_cat(str,", ("); |
a687059c |
649 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
650 | str_free(fstr); |
19720b39 |
651 | str_cat(str,")-1"); |
8d063cd8 |
652 | if (len == 3) { |
4cec2b33 |
653 | str_cat(str,", "); |
a687059c |
654 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
655 | str_free(fstr); |
656 | } |
8d063cd8 |
657 | str_cat(str,")"); |
658 | break; |
659 | case OSTRING: |
660 | str = str_new(0); |
661 | str_set(str,ops[node+1].cval); |
662 | break; |
663 | case OSPLIT: |
664 | str = str_new(0); |
4cec2b33 |
665 | limit = ", -1)"; |
8d063cd8 |
666 | numeric = 1; |
a687059c |
667 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
668 | if (useval) |
669 | str_set(str,"(@"); |
670 | else |
671 | str_set(str,"@"); |
672 | str_scat(str,tmpstr); |
673 | str_cat(str," = split("); |
674 | if (len == 3) { |
a687059c |
675 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
8d063cd8 |
676 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
677 | i = fstr->str_ptr[1] & 127; |
a0d0e21e |
678 | if (strchr("*+?.[]()|^$\\",i)) |
8d063cd8 |
679 | sprintf(tokenbuf,"/\\%c/",i); |
20188a90 |
680 | else if (i == ' ') |
62b28dd9 |
681 | sprintf(tokenbuf,"' '"); |
8d063cd8 |
682 | else |
683 | sprintf(tokenbuf,"/%c/",i); |
684 | str_cat(str,tokenbuf); |
685 | } |
686 | else |
687 | str_scat(str,fstr); |
688 | str_free(fstr); |
689 | } |
690 | else if (const_FS) { |
691 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); |
692 | str_cat(str,tokenbuf); |
693 | } |
694 | else if (saw_FS) |
695 | str_cat(str,"$FS"); |
55204971 |
696 | else { |
9bb9d9f7 |
697 | str_cat(str,"' '"); |
55204971 |
698 | limit = ")"; |
699 | } |
8d063cd8 |
700 | str_cat(str,", "); |
a687059c |
701 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
702 | str_free(fstr); |
55204971 |
703 | str_cat(str,limit); |
8d063cd8 |
704 | if (useval) { |
705 | str_cat(str,")"); |
706 | } |
707 | str_free(tmpstr); |
708 | break; |
709 | case OINDEX: |
710 | str = str_new(0); |
19720b39 |
711 | str_set(str,"(1+index("); |
a687059c |
712 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
713 | str_free(fstr); |
714 | str_cat(str,", "); |
a687059c |
715 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
8d063cd8 |
716 | str_free(fstr); |
19720b39 |
717 | str_cat(str,"))"); |
8d063cd8 |
718 | numeric = 1; |
719 | break; |
a687059c |
720 | case OMATCH: |
721 | str = str_new(0); |
722 | prec = P_ANDAND; |
723 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); |
724 | str_free(fstr); |
725 | str_cat(str," =~ "); |
726 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); |
727 | str_free(fstr); |
6cf72385 |
728 | str_cat(str," ? scalar($RLENGTH = length($&), $RSTART = length($`)+1) : 0"); |
a687059c |
729 | numeric = 1; |
730 | break; |
731 | case OUSERDEF: |
732 | str = str_new(0); |
733 | subretnum = FALSE; |
734 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); |
735 | curargs = str_new(0); |
736 | str_sset(curargs,fstr); |
737 | str_cat(curargs,","); |
738 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); |
739 | str_free(curargs); |
d34ed59f |
740 | curargs = NULL; |
a687059c |
741 | level--; |
742 | subretnum |= numarg; |
d34ed59f |
743 | s = NULL; |
a687059c |
744 | t = tmp2str->str_ptr; |
b7953727 |
745 | while ((t = instr(t,"return "))) |
a687059c |
746 | s = t++; |
747 | if (s) { |
748 | i = 0; |
749 | for (t = s+7; *t; t++) { |
750 | if (*t == ';' || *t == '}') |
751 | i++; |
752 | } |
753 | if (i == 1) { |
754 | strcpy(s,s+7); |
755 | tmp2str->str_cur -= 7; |
756 | } |
757 | } |
758 | str_set(str,"\n"); |
759 | tab(str,level); |
760 | str_cat(str,"sub "); |
761 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
762 | str_cat(str," {\n"); |
763 | tab(str,++level); |
764 | if (fstr->str_cur) { |
765 | str_cat(str,"local("); |
766 | str_scat(str,fstr); |
767 | str_cat(str,") = @_;"); |
768 | } |
769 | str_free(fstr); |
770 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
771 | str_free(fstr); |
772 | fixtab(str,level); |
773 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); |
774 | str_free(fstr); |
775 | fixtab(str,level); |
776 | str_scat(str,tmp2str); |
777 | str_free(tmp2str); |
778 | fixtab(str,--level); |
779 | str_cat(str,"}\n"); |
780 | tab(str,level); |
781 | str_scat(subs,str); |
782 | str_set(str,""); |
783 | str_cat(tmpstr,"("); |
784 | tmp2str = str_new(0); |
785 | if (subretnum) |
786 | str_set(tmp2str,"1"); |
787 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
788 | str_free(tmpstr); |
789 | level++; |
790 | break; |
791 | case ORETURN: |
792 | str = str_new(0); |
793 | if (len > 0) { |
794 | str_cat(str,"return "); |
795 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); |
796 | str_free(fstr); |
797 | if (numarg) |
798 | subretnum = TRUE; |
799 | } |
800 | else |
801 | str_cat(str,"return"); |
802 | break; |
803 | case OUSERFUN: |
804 | str = str_new(0); |
805 | str_set(str,"&"); |
806 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
807 | str_free(fstr); |
808 | str_cat(str,"("); |
809 | tmpstr = hfetch(symtab,str->str_ptr+3); |
810 | if (tmpstr && tmpstr->str_ptr) |
811 | numeric |= atoi(tmpstr->str_ptr); |
812 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
813 | str_free(fstr); |
814 | str_cat(str,")"); |
815 | break; |
816 | case OGSUB: |
0335b3e4 |
817 | case OSUB: { |
818 | int gsub = type == OGSUB ? 1 : 0; |
a687059c |
819 | str = str_new(0); |
820 | tmpstr = str_new(0); |
821 | i = 0; |
822 | if (len == 3) { |
823 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); |
824 | if (strNE(tmpstr->str_ptr,"$_")) { |
825 | str_cat(tmpstr, " =~ s"); |
826 | i++; |
827 | } |
828 | else |
829 | str_set(tmpstr, "s"); |
830 | } |
831 | else |
832 | str_set(tmpstr, "s"); |
833 | type = ops[ops[node+2].ival].ival; |
834 | len = type >> 8; |
835 | type &= 255; |
836 | tmp3str = str_new(0); |
aab39148 |
837 | { |
838 | const char *s; |
839 | if (type == OSTR) { |
a687059c |
840 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
841 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { |
842 | if (*t == '&') |
c5cf9ec2 |
843 | *d++ = '$' + (char)128; |
72a2bbbf |
844 | else if (*t == '$' || *t == '/') |
c5cf9ec2 |
845 | *d++ = '\\' + (char)128; |
a687059c |
846 | *d = *t + 128; |
847 | } |
848 | *d = '\0'; |
849 | str_set(tmp2str,tokenbuf); |
aab39148 |
850 | s = (gsub ? "/g" : "/"); |
851 | } |
852 | else { |
a687059c |
853 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
854 | str_set(tmp3str,"($s_ = '\"'.("); |
855 | str_scat(tmp3str,tmp2str); |
856 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); |
857 | str_set(tmp2str,"eval $s_"); |
aab39148 |
858 | s = (gsub ? "/ge" : "/e"); |
a687059c |
859 | i++; |
aab39148 |
860 | } |
861 | str_cat(tmp2str,s); |
a687059c |
862 | } |
863 | type = ops[ops[node+1].ival].ival; |
864 | len = type >> 8; |
865 | type &= 255; |
866 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
867 | if (type == OREGEX) { |
868 | if (useval && i) |
869 | str_cat(str,"("); |
870 | str_scat(str,tmp3str); |
871 | str_scat(str,tmpstr); |
872 | str_scat(str,fstr); |
873 | str_scat(str,tmp2str); |
a687059c |
874 | } |
875 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { |
876 | if (useval && i) |
877 | str_cat(str,"("); |
878 | str_scat(str,tmp3str); |
879 | str_scat(str,tmpstr); |
880 | str_cat(str,"/"); |
881 | str_scat(str,fstr); |
882 | str_cat(str,"/"); |
883 | str_scat(str,tmp2str); |
a687059c |
884 | } |
885 | else { |
886 | i++; |
887 | if (useval) |
888 | str_cat(str,"("); |
889 | str_cat(str,"$s = "); |
890 | str_scat(str,fstr); |
891 | str_cat(str,", "); |
892 | str_scat(str,tmp3str); |
893 | str_scat(str,tmpstr); |
894 | str_cat(str,"/$s/"); |
895 | str_scat(str,tmp2str); |
a687059c |
896 | } |
897 | if (useval && i) |
898 | str_cat(str,")"); |
899 | str_free(fstr); |
900 | str_free(tmpstr); |
901 | str_free(tmp2str); |
902 | str_free(tmp3str); |
903 | numeric = 1; |
0335b3e4 |
904 | break; } |
8d063cd8 |
905 | case ONUM: |
a687059c |
906 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
907 | numeric = 1; |
908 | break; |
909 | case OSTR: |
a687059c |
910 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
aab39148 |
911 | { |
912 | const char *s = "'"; |
913 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
378cc40b |
914 | if (*t == '\'') |
915 | s = "\""; |
916 | else if (*t == '\\') { |
8d063cd8 |
917 | s = "\""; |
378cc40b |
918 | *d++ = *t++ + 128; |
919 | switch (*t) { |
fe14fcc3 |
920 | case '\\': case '"': case 'n': case 't': case '$': |
378cc40b |
921 | break; |
922 | default: /* hide this from perl */ |
c5cf9ec2 |
923 | *d++ = '\\' + (char)128; |
378cc40b |
924 | } |
925 | } |
926 | *d = *t + 128; |
aab39148 |
927 | } |
928 | *d = '\0'; |
929 | str = str_new(0); |
930 | str_set(str,s); |
931 | str_cat(str,tokenbuf); |
932 | str_free(tmpstr); |
933 | str_cat(str,s); |
8d063cd8 |
934 | } |
8d063cd8 |
935 | break; |
a687059c |
936 | case ODEFINED: |
937 | prec = P_UNI; |
938 | str = str_new(0); |
939 | str_set(str,"defined $"); |
940 | goto addvar; |
941 | case ODELETE: |
942 | str = str_new(0); |
943 | str_set(str,"delete $"); |
944 | goto addvar; |
945 | case OSTAR: |
946 | str = str_new(0); |
947 | str_set(str,"*"); |
948 | goto addvar; |
8d063cd8 |
949 | case OVAR: |
950 | str = str_new(0); |
951 | str_set(str,"$"); |
a687059c |
952 | addvar: |
953 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
954 | if (len == 1) { |
955 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
956 | if (tmp2str && atoi(tmp2str->str_ptr)) |
957 | numeric = 2; |
a687059c |
958 | if (strEQ(str->str_ptr,"$FNR")) { |
959 | numeric = 1; |
960 | saw_FNR++; |
961 | str_set(str,"($.-$FNRbase)"); |
962 | } |
963 | else if (strEQ(str->str_ptr,"$NR")) { |
8d063cd8 |
964 | numeric = 1; |
965 | str_set(str,"$."); |
966 | } |
967 | else if (strEQ(str->str_ptr,"$NF")) { |
968 | numeric = 1; |
19720b39 |
969 | str_set(str,"($#Fld+1)"); |
8d063cd8 |
970 | } |
971 | else if (strEQ(str->str_ptr,"$0")) |
972 | str_set(str,"$_"); |
a687059c |
973 | else if (strEQ(str->str_ptr,"$ARGC")) |
19720b39 |
974 | str_set(str,"($#ARGV+2)"); |
8d063cd8 |
975 | } |
976 | else { |
a687059c |
977 | #ifdef NOTDEF |
978 | if (curargs) { |
979 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); |
980 | ??? if (instr(curargs->str_ptr,tokenbuf)) |
981 | str_cat(str,"\377"); /* can't translate yet */ |
982 | } |
983 | #endif |
8d063cd8 |
984 | str_cat(tmpstr,"[]"); |
985 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
986 | if (tmp2str && atoi(tmp2str->str_ptr)) |
19720b39 |
987 | str_cat(str,"[("); |
8d063cd8 |
988 | else |
989 | str_cat(str,"{"); |
a687059c |
990 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
991 | str_free(fstr); |
a687059c |
992 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
993 | str_set(str,"$ARGV0"); |
994 | saw_argv0++; |
995 | } |
996 | else { |
997 | if (tmp2str && atoi(tmp2str->str_ptr)) |
19720b39 |
998 | strcpy(tokenbuf,")-1]"); |
a687059c |
999 | else |
1000 | strcpy(tokenbuf,"}"); |
c5cf9ec2 |
1001 | *tokenbuf += (char)128; |
a687059c |
1002 | str_cat(str,tokenbuf); |
1003 | } |
8d063cd8 |
1004 | } |
1005 | str_free(tmpstr); |
1006 | break; |
1007 | case OFLD: |
1008 | str = str_new(0); |
1009 | if (split_to_array) { |
1010 | str_set(str,"$Fld"); |
19720b39 |
1011 | str_cat(str,"[("); |
a687059c |
1012 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1013 | str_free(fstr); |
19720b39 |
1014 | str_cat(str,")-1]"); |
8d063cd8 |
1015 | } |
1016 | else { |
a687059c |
1017 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
8d063cd8 |
1018 | if (i <= arymax) |
1019 | sprintf(tokenbuf,"$%s",nameary[i]); |
1020 | else |
1021 | sprintf(tokenbuf,"$Fld%d",i); |
1022 | str_set(str,tokenbuf); |
1023 | } |
1024 | break; |
1025 | case OVFLD: |
1026 | str = str_new(0); |
1027 | str_set(str,"$Fld["); |
1028 | i = ops[node+1].ival; |
1029 | if ((ops[i].ival & 255) == OPAREN) |
1030 | i = ops[i+1].ival; |
a687059c |
1031 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
8d063cd8 |
1032 | str_scat(str,tmpstr); |
1033 | str_free(tmpstr); |
1034 | str_cat(str,"]"); |
1035 | break; |
1036 | case OJUNK: |
1037 | goto def; |
1038 | case OSNEWLINE: |
1039 | str = str_new(2); |
1040 | str_set(str,";\n"); |
1041 | tab(str,level); |
1042 | break; |
1043 | case ONEWLINE: |
1044 | str = str_new(1); |
1045 | str_set(str,"\n"); |
1046 | tab(str,level); |
1047 | break; |
1048 | case OSCOMMENT: |
1049 | str = str_new(0); |
1050 | str_set(str,";"); |
a687059c |
1051 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1052 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
c5cf9ec2 |
1053 | *s += (char)128; |
8d063cd8 |
1054 | str_scat(str,tmpstr); |
1055 | str_free(tmpstr); |
1056 | tab(str,level); |
1057 | break; |
1058 | case OCOMMENT: |
1059 | str = str_new(0); |
a687059c |
1060 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1061 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
c5cf9ec2 |
1062 | *s += (char)128; |
8d063cd8 |
1063 | str_scat(str,tmpstr); |
1064 | str_free(tmpstr); |
1065 | tab(str,level); |
1066 | break; |
1067 | case OCOMMA: |
a687059c |
1068 | prec = P_COMMA; |
1069 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
8d063cd8 |
1070 | str_cat(str,", "); |
a687059c |
1071 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
1072 | str_free(fstr); |
1073 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
8d063cd8 |
1074 | str_free(fstr); |
1075 | break; |
1076 | case OSEMICOLON: |
1077 | str = str_new(1); |
a687059c |
1078 | str_set(str,";\n"); |
1079 | tab(str,level); |
8d063cd8 |
1080 | break; |
1081 | case OSTATES: |
a687059c |
1082 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1083 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1084 | str_free(fstr); |
1085 | break; |
1086 | case OSTATE: |
1087 | str = str_new(0); |
1088 | if (len >= 1) { |
a687059c |
1089 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1090 | str_free(fstr); |
1091 | if (len >= 2) { |
a687059c |
1092 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1093 | if (*tmpstr->str_ptr == ';') { |
1094 | addsemi(str); |
1095 | str_cat(str,tmpstr->str_ptr+1); |
1096 | } |
1097 | str_free(tmpstr); |
1098 | } |
1099 | } |
1100 | break; |
a687059c |
1101 | case OCLOSE: |
1102 | str = str_make("close("); |
1103 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
1104 | if (!do_fancy_opens) { |
1105 | t = tmpstr->str_ptr; |
1106 | if (*t == '"' || *t == '\'') |
1107 | t = cpytill(tokenbuf,t+1,*t); |
1108 | else |
1109 | fatal("Internal error: OCLOSE %s",t); |
1110 | s = savestr(tokenbuf); |
1111 | for (t = tokenbuf; *t; t++) { |
1112 | *t &= 127; |
3f939f22 |
1113 | if (isLOWER(*t)) |
1114 | *t = toUPPER(*t); |
1115 | if (!isALPHA(*t) && !isDIGIT(*t)) |
a687059c |
1116 | *t = '_'; |
1117 | } |
a0d0e21e |
1118 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1119 | strcpy(t,"_FH"); |
a687059c |
1120 | str_free(tmpstr); |
1121 | safefree(s); |
1122 | str_set(str,"close "); |
1123 | str_cat(str,tokenbuf); |
1124 | } |
1125 | else { |
7c0587c8 |
1126 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
1127 | tmpstr->str_ptr, tmpstr->str_ptr); |
a687059c |
1128 | str_free(tmpstr); |
1129 | str_set(str,tokenbuf); |
1130 | } |
1131 | break; |
8d063cd8 |
1132 | case OPRINTF: |
1133 | case OPRINT: |
378cc40b |
1134 | lparen = ""; /* set to parens if necessary */ |
1135 | rparen = ""; |
8d063cd8 |
1136 | str = str_new(0); |
1137 | if (len == 3) { /* output redirection */ |
a687059c |
1138 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
1139 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
8d063cd8 |
1140 | if (!do_fancy_opens) { |
1141 | t = tmpstr->str_ptr; |
1142 | if (*t == '"' || *t == '\'') |
1143 | t = cpytill(tokenbuf,t+1,*t); |
1144 | else |
1145 | fatal("Internal error: OPRINT"); |
1146 | d = savestr(t); |
1147 | s = savestr(tokenbuf); |
1148 | for (t = tokenbuf; *t; t++) { |
1149 | *t &= 127; |
3f939f22 |
1150 | if (isLOWER(*t)) |
1151 | *t = toUPPER(*t); |
1152 | if (!isALPHA(*t) && !isDIGIT(*t)) |
8d063cd8 |
1153 | *t = '_'; |
1154 | } |
a0d0e21e |
1155 | if (!strchr(tokenbuf,'_')) |
d48672a2 |
1156 | strcpy(t,"_FH"); |
a687059c |
1157 | tmp3str = hfetch(symtab,tokenbuf); |
1158 | if (!tmp3str) { |
1159 | str_cat(opens,"open("); |
1160 | str_cat(opens,tokenbuf); |
1161 | str_cat(opens,", "); |
1162 | d[1] = '\0'; |
1163 | str_cat(opens,d); |
1164 | str_scat(opens,tmp2str); |
1165 | str_cat(opens,tmpstr->str_ptr+1); |
1166 | if (*tmp2str->str_ptr == '|') |
1167 | str_cat(opens,") || die 'Cannot pipe to \""); |
1168 | else |
1169 | str_cat(opens,") || die 'Cannot create file \""); |
1170 | if (*d == '"') |
1171 | str_cat(opens,"'.\""); |
1172 | str_cat(opens,s); |
1173 | if (*d == '"') |
1174 | str_cat(opens,"\".'"); |
1175 | str_cat(opens,"\".';\n"); |
1176 | hstore(symtab,tokenbuf,str_make("x")); |
1177 | } |
8d063cd8 |
1178 | str_free(tmpstr); |
1179 | str_free(tmp2str); |
1180 | safefree(s); |
1181 | safefree(d); |
1182 | } |
1183 | else { |
a687059c |
1184 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
8d063cd8 |
1185 | tmp2str->str_ptr, tmpstr->str_ptr); |
1186 | str_cat(str,tokenbuf); |
1187 | tab(str,level+1); |
a687059c |
1188 | strcpy(tokenbuf,"$fh"); |
8d063cd8 |
1189 | str_free(tmpstr); |
1190 | str_free(tmp2str); |
378cc40b |
1191 | lparen = "("; |
1192 | rparen = ")"; |
8d063cd8 |
1193 | } |
1194 | } |
1195 | else |
a687059c |
1196 | strcpy(tokenbuf,""); |
378cc40b |
1197 | str_cat(str,lparen); /* may be null */ |
8d063cd8 |
1198 | if (type == OPRINTF) |
1199 | str_cat(str,"printf"); |
1200 | else |
1201 | str_cat(str,"print"); |
d48672a2 |
1202 | saw_fh = 0; |
8d063cd8 |
1203 | if (len == 3 || do_fancy_opens) { |
d48672a2 |
1204 | if (*tokenbuf) { |
8d063cd8 |
1205 | str_cat(str," "); |
d48672a2 |
1206 | saw_fh = 1; |
1207 | } |
8d063cd8 |
1208 | str_cat(str,tokenbuf); |
1209 | } |
a687059c |
1210 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1211 | if (!*tmpstr->str_ptr && lval_field) { |
aab39148 |
1212 | const char *t = (saw_OFS ? "$," : "' '"); |
8d063cd8 |
1213 | if (split_to_array) { |
1214 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1215 | str_cat(tmpstr,tokenbuf); |
1216 | } |
1217 | else { |
1218 | for (i = 1; i < maxfld; i++) { |
1219 | if (i <= arymax) |
1220 | sprintf(tokenbuf,"$%s, ",nameary[i]); |
1221 | else |
1222 | sprintf(tokenbuf,"$Fld%d, ",i); |
1223 | str_cat(tmpstr,tokenbuf); |
1224 | } |
1225 | if (maxfld <= arymax) |
1226 | sprintf(tokenbuf,"$%s",nameary[maxfld]); |
1227 | else |
1228 | sprintf(tokenbuf,"$Fld%d",maxfld); |
1229 | str_cat(tmpstr,tokenbuf); |
1230 | } |
1231 | } |
1232 | if (*tmpstr->str_ptr) { |
1233 | str_cat(str," "); |
d48672a2 |
1234 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
1235 | str_cat(str,"("); |
1236 | str_scat(str,tmpstr); |
1237 | str_cat(str,")"); |
1238 | } |
1239 | else |
1240 | str_scat(str,tmpstr); |
8d063cd8 |
1241 | } |
1242 | else { |
1243 | str_cat(str," $_"); |
1244 | } |
378cc40b |
1245 | str_cat(str,rparen); /* may be null */ |
8d063cd8 |
1246 | str_free(tmpstr); |
1247 | break; |
a687059c |
1248 | case ORAND: |
1249 | str = str_make("rand(1)"); |
1250 | break; |
1251 | case OSRAND: |
1252 | str = str_make("srand("); |
1253 | goto maybe0; |
1254 | case OATAN2: |
1255 | str = str_make("atan2("); |
1256 | goto maybe0; |
1257 | case OSIN: |
1258 | str = str_make("sin("); |
1259 | goto maybe0; |
1260 | case OCOS: |
1261 | str = str_make("cos("); |
1262 | goto maybe0; |
1263 | case OSYSTEM: |
1264 | str = str_make("system("); |
1265 | goto maybe0; |
8d063cd8 |
1266 | case OLENGTH: |
1267 | str = str_make("length("); |
1268 | goto maybe0; |
1269 | case OLOG: |
1270 | str = str_make("log("); |
1271 | goto maybe0; |
1272 | case OEXP: |
1273 | str = str_make("exp("); |
1274 | goto maybe0; |
1275 | case OSQRT: |
1276 | str = str_make("sqrt("); |
1277 | goto maybe0; |
1278 | case OINT: |
1279 | str = str_make("int("); |
1280 | maybe0: |
1281 | numeric = 1; |
1282 | if (len > 0) |
a687059c |
1283 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1284 | else |
db7c17d7 |
1285 | tmpstr = str_new(0); |
fe14fcc3 |
1286 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
8d063cd8 |
1287 | if (lval_field) { |
aab39148 |
1288 | const char *t = (saw_OFS ? "$," : "' '"); |
8d063cd8 |
1289 | if (split_to_array) { |
1290 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
1291 | str_cat(tmpstr,tokenbuf); |
1292 | } |
1293 | else { |
1294 | sprintf(tokenbuf,"join(%s, ",t); |
1295 | str_cat(tmpstr,tokenbuf); |
1296 | for (i = 1; i < maxfld; i++) { |
1297 | if (i <= arymax) |
1298 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1299 | else |
1300 | sprintf(tokenbuf,"$Fld%d,",i); |
1301 | str_cat(tmpstr,tokenbuf); |
1302 | } |
1303 | if (maxfld <= arymax) |
1304 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1305 | else |
1306 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1307 | str_cat(tmpstr,tokenbuf); |
1308 | } |
1309 | } |
1310 | else |
1311 | str_cat(tmpstr,"$_"); |
1312 | } |
1313 | if (strEQ(tmpstr->str_ptr,"$_")) { |
1314 | if (type == OLENGTH && !do_chop) { |
1315 | str = str_make("(length("); |
1316 | str_cat(tmpstr,") - 1"); |
1317 | } |
1318 | } |
1319 | str_scat(str,tmpstr); |
1320 | str_free(tmpstr); |
1321 | str_cat(str,")"); |
1322 | break; |
1323 | case OBREAK: |
1324 | str = str_new(0); |
1325 | str_set(str,"last"); |
1326 | break; |
1327 | case ONEXT: |
1328 | str = str_new(0); |
1329 | str_set(str,"next line"); |
1330 | break; |
1331 | case OEXIT: |
1332 | str = str_new(0); |
1333 | if (realexit) { |
a687059c |
1334 | prec = P_UNI; |
8d063cd8 |
1335 | str_set(str,"exit"); |
1336 | if (len == 1) { |
1337 | str_cat(str," "); |
1338 | exitval = TRUE; |
a687059c |
1339 | str_scat(str, |
1340 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
8d063cd8 |
1341 | str_free(fstr); |
1342 | } |
1343 | } |
1344 | else { |
1345 | if (len == 1) { |
9f68db38 |
1346 | str_set(str,"$ExitValue = "); |
8d063cd8 |
1347 | exitval = TRUE; |
a687059c |
1348 | str_scat(str, |
1349 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); |
8d063cd8 |
1350 | str_free(fstr); |
1351 | str_cat(str,"; "); |
1352 | } |
1353 | str_cat(str,"last line"); |
1354 | } |
1355 | break; |
1356 | case OCONTINUE: |
1357 | str = str_new(0); |
1358 | str_set(str,"next"); |
1359 | break; |
1360 | case OREDIR: |
1361 | goto def; |
1362 | case OIF: |
1363 | str = str_new(0); |
1364 | str_set(str,"if ("); |
a687059c |
1365 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1366 | str_free(fstr); |
1367 | str_cat(str,") "); |
a687059c |
1368 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1369 | str_free(fstr); |
1370 | if (len == 3) { |
1371 | i = ops[node+3].ival; |
1372 | if (i) { |
1373 | if ((ops[i].ival & 255) == OBLOCK) { |
1374 | i = ops[i+1].ival; |
1375 | if (i) { |
1376 | if ((ops[i].ival & 255) != OIF) |
1377 | i = 0; |
1378 | } |
1379 | } |
1380 | else |
1381 | i = 0; |
1382 | } |
1383 | if (i) { |
1384 | str_cat(str,"els"); |
a687059c |
1385 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
8d063cd8 |
1386 | str_free(fstr); |
1387 | } |
1388 | else { |
1389 | str_cat(str,"else "); |
a687059c |
1390 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1391 | str_free(fstr); |
1392 | } |
1393 | } |
1394 | break; |
1395 | case OWHILE: |
1396 | str = str_new(0); |
1397 | str_set(str,"while ("); |
a687059c |
1398 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1399 | str_free(fstr); |
1400 | str_cat(str,") "); |
a687059c |
1401 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1402 | str_free(fstr); |
1403 | break; |
7c0587c8 |
1404 | case ODO: |
1405 | str = str_new(0); |
1406 | str_set(str,"do "); |
1407 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
1408 | str_free(fstr); |
1409 | if (str->str_ptr[str->str_cur - 1] == '\n') |
db7c17d7 |
1410 | --str->str_cur; |
7c0587c8 |
1411 | str_cat(str," while ("); |
1412 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1413 | str_free(fstr); |
1414 | str_cat(str,");"); |
1415 | break; |
8d063cd8 |
1416 | case OFOR: |
1417 | str = str_new(0); |
1418 | str_set(str,"for ("); |
a687059c |
1419 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1420 | i = numarg; |
1421 | if (i) { |
1422 | t = s = tmpstr->str_ptr; |
3f939f22 |
1423 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_') |
8d063cd8 |
1424 | t++; |
1425 | i = t - s; |
1426 | if (i < 2) |
1427 | i = 0; |
1428 | } |
1429 | str_cat(str,"; "); |
a687059c |
1430 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
a0d0e21e |
1431 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
8d063cd8 |
1432 | if (strnEQ(fstr->str_ptr,s,i)) |
1433 | *t = ' '; |
1434 | } |
1435 | str_scat(str,fstr); |
1436 | str_free(fstr); |
1437 | str_free(tmpstr); |
1438 | str_cat(str,"; "); |
a687059c |
1439 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
8d063cd8 |
1440 | str_free(fstr); |
1441 | str_cat(str,") "); |
a687059c |
1442 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
8d063cd8 |
1443 | str_free(fstr); |
1444 | break; |
1445 | case OFORIN: |
a687059c |
1446 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
a0d0e21e |
1447 | d = strchr(tmpstr->str_ptr,'$'); |
a687059c |
1448 | if (!d) |
1449 | fatal("Illegal for loop: %s",tmpstr->str_ptr); |
a0d0e21e |
1450 | s = strchr(d,'{'); |
a687059c |
1451 | if (!s) |
a0d0e21e |
1452 | s = strchr(d,'['); |
a687059c |
1453 | if (!s) |
1454 | fatal("Illegal for loop: %s",d); |
1455 | *s++ = '\0'; |
b7953727 |
1456 | for (t = s; (i = *t); t++) { |
ffed7fef |
1457 | i &= 127; |
1458 | if (i == '}' || i == ']') |
1459 | break; |
1460 | } |
1461 | if (*t) |
a687059c |
1462 | *t = '\0'; |
8d063cd8 |
1463 | str = str_new(0); |
a687059c |
1464 | str_set(str,d+1); |
8d063cd8 |
1465 | str_cat(str,"[]"); |
1466 | tmp2str = hfetch(symtab,str->str_ptr); |
1467 | if (tmp2str && atoi(tmp2str->str_ptr)) { |
8d063cd8 |
1468 | sprintf(tokenbuf, |
19720b39 |
1469 | "foreach %s (0 .. $#%s) ", |
a687059c |
1470 | s, |
1471 | d+1); |
8d063cd8 |
1472 | } |
1473 | else { |
a687059c |
1474 | sprintf(tokenbuf, |
1475 | "foreach %s (keys %%%s) ", |
1476 | s, |
1477 | d+1); |
8d063cd8 |
1478 | } |
a687059c |
1479 | str_set(str,tokenbuf); |
1480 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
1481 | str_free(fstr); |
8d063cd8 |
1482 | str_free(tmpstr); |
1483 | break; |
1484 | case OBLOCK: |
1485 | str = str_new(0); |
1486 | str_set(str,"{"); |
378cc40b |
1487 | if (len >= 2 && ops[node+2].ival) { |
a687059c |
1488 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
8d063cd8 |
1489 | str_free(fstr); |
1490 | } |
1491 | fixtab(str,++level); |
a687059c |
1492 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
8d063cd8 |
1493 | str_free(fstr); |
1494 | addsemi(str); |
1495 | fixtab(str,--level); |
1496 | str_cat(str,"}\n"); |
1497 | tab(str,level); |
378cc40b |
1498 | if (len >= 3) { |
a687059c |
1499 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
378cc40b |
1500 | str_free(fstr); |
1501 | } |
8d063cd8 |
1502 | break; |
1503 | default: |
1504 | def: |
1505 | if (len) { |
1506 | if (len > 5) |
1507 | fatal("Garbage length in walk"); |
a687059c |
1508 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
1509 | for (i = 2; i<= len; i++) { |
a687059c |
1510 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
8d063cd8 |
1511 | str_free(fstr); |
1512 | } |
1513 | } |
1514 | else { |
d34ed59f |
1515 | str = NULL; |
8d063cd8 |
1516 | } |
1517 | break; |
1518 | } |
1519 | if (!str) |
1520 | str = str_new(0); |
a687059c |
1521 | |
1522 | if (useval && prec < minprec) { /* need parens? */ |
1523 | fstr = str_new(str->str_cur+2); |
1524 | str_nset(fstr,"(",1); |
1525 | str_scat(fstr,str); |
1526 | str_ncat(fstr,")",1); |
1527 | str_free(str); |
1528 | str = fstr; |
1529 | } |
1530 | |
8d063cd8 |
1531 | *numericptr = numeric; |
1532 | #ifdef DEBUGGING |
1533 | if (debug & 4) { |
1534 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); |
1535 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) |
1536 | if (*t == '\n') |
1537 | printf("\\n"); |
1538 | else if (*t == '\t') |
1539 | printf("\\t"); |
1540 | else |
1541 | putchar(*t); |
1542 | putchar('\n'); |
1543 | } |
1544 | #endif |
1545 | return str; |
1546 | } |
1547 | |
748a9306 |
1548 | static void |
f0f333f4 |
1549 | tab(register STR *str, register int lvl) |
8d063cd8 |
1550 | { |
1551 | while (lvl > 1) { |
1552 | str_cat(str,"\t"); |
1553 | lvl -= 2; |
1554 | } |
1555 | if (lvl) |
1556 | str_cat(str," "); |
1557 | } |
1558 | |
748a9306 |
1559 | static void |
f0f333f4 |
1560 | fixtab(register STR *str, register int lvl) |
8d063cd8 |
1561 | { |
1562 | register char *s; |
1563 | |
1564 | /* strip trailing white space */ |
1565 | |
1566 | s = str->str_ptr+str->str_cur - 1; |
a687059c |
1567 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
8d063cd8 |
1568 | s--; |
1569 | s[1] = '\0'; |
1570 | str->str_cur = s + 1 - str->str_ptr; |
1571 | if (s >= str->str_ptr && *s != '\n') |
1572 | str_cat(str,"\n"); |
1573 | |
1574 | tab(str,lvl); |
1575 | } |
1576 | |
748a9306 |
1577 | static void |
f0f333f4 |
1578 | addsemi(register STR *str) |
8d063cd8 |
1579 | { |
1580 | register char *s; |
1581 | |
1582 | s = str->str_ptr+str->str_cur - 1; |
1583 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
1584 | s--; |
1585 | if (s >= str->str_ptr && *s != ';' && *s != '}') |
1586 | str_cat(str,";"); |
1587 | } |
1588 | |
56febc5e |
1589 | static void |
f0f333f4 |
1590 | emit_split(register STR *str, int level) |
8d063cd8 |
1591 | { |
1592 | register int i; |
1593 | |
1594 | if (split_to_array) |
1595 | str_cat(str,"@Fld"); |
1596 | else { |
1597 | str_cat(str,"("); |
1598 | for (i = 1; i < maxfld; i++) { |
1599 | if (i <= arymax) |
1600 | sprintf(tokenbuf,"$%s,",nameary[i]); |
1601 | else |
1602 | sprintf(tokenbuf,"$Fld%d,",i); |
1603 | str_cat(str,tokenbuf); |
1604 | } |
1605 | if (maxfld <= arymax) |
1606 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
1607 | else |
1608 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
1609 | str_cat(str,tokenbuf); |
1610 | } |
1611 | if (const_FS) { |
4cec2b33 |
1612 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, -1);\n",const_FS); |
8d063cd8 |
1613 | str_cat(str,tokenbuf); |
1614 | } |
1615 | else if (saw_FS) |
4cec2b33 |
1616 | str_cat(str," = split($FS, $_, -1);\n"); |
8d063cd8 |
1617 | else |
4cec2b33 |
1618 | str_cat(str," = split(' ', $_, -1);\n"); |
8d063cd8 |
1619 | tab(str,level); |
1620 | } |
1621 | |
9c8d0b29 |
1622 | int |
f0f333f4 |
1623 | prewalk(int numit, int level, register int node, int *numericptr) |
8d063cd8 |
1624 | { |
1625 | register int len; |
1626 | register int type; |
1627 | register int i; |
8d063cd8 |
1628 | int numarg; |
1629 | int numeric = FALSE; |
a687059c |
1630 | STR *tmpstr; |
1631 | STR *tmp2str; |
8d063cd8 |
1632 | |
1633 | if (!node) { |
1634 | *numericptr = 0; |
1635 | return 0; |
1636 | } |
1637 | type = ops[node].ival; |
1638 | len = type >> 8; |
1639 | type &= 255; |
1640 | switch (type) { |
1641 | case OPROG: |
1642 | prewalk(0,level,ops[node+1].ival,&numarg); |
1643 | if (ops[node+2].ival) { |
1644 | prewalk(0,level,ops[node+2].ival,&numarg); |
1645 | } |
1646 | ++level; |
1647 | prewalk(0,level,ops[node+3].ival,&numarg); |
1648 | --level; |
1649 | if (ops[node+3].ival) { |
1650 | prewalk(0,level,ops[node+4].ival,&numarg); |
1651 | } |
1652 | break; |
1653 | case OHUNKS: |
1654 | prewalk(0,level,ops[node+1].ival,&numarg); |
1655 | prewalk(0,level,ops[node+2].ival,&numarg); |
1656 | if (len == 3) { |
1657 | prewalk(0,level,ops[node+3].ival,&numarg); |
1658 | } |
1659 | break; |
1660 | case ORANGE: |
1661 | prewalk(1,level,ops[node+1].ival,&numarg); |
1662 | prewalk(1,level,ops[node+2].ival,&numarg); |
1663 | break; |
1664 | case OPAT: |
1665 | goto def; |
1666 | case OREGEX: |
1667 | prewalk(0,level,ops[node+1].ival,&numarg); |
1668 | break; |
1669 | case OHUNK: |
1670 | if (len == 1) { |
1671 | prewalk(0,level,ops[node+1].ival,&numarg); |
1672 | } |
1673 | else { |
1674 | i = prewalk(0,level,ops[node+1].ival,&numarg); |
1675 | if (i) { |
1676 | ++level; |
1677 | prewalk(0,level,ops[node+2].ival,&numarg); |
1678 | --level; |
1679 | } |
1680 | else { |
1681 | prewalk(0,level,ops[node+2].ival,&numarg); |
1682 | } |
1683 | } |
1684 | break; |
1685 | case OPPAREN: |
1686 | prewalk(0,level,ops[node+1].ival,&numarg); |
1687 | break; |
1688 | case OPANDAND: |
1689 | prewalk(0,level,ops[node+1].ival,&numarg); |
1690 | prewalk(0,level,ops[node+2].ival,&numarg); |
1691 | break; |
1692 | case OPOROR: |
1693 | prewalk(0,level,ops[node+1].ival,&numarg); |
1694 | prewalk(0,level,ops[node+2].ival,&numarg); |
1695 | break; |
1696 | case OPNOT: |
1697 | prewalk(0,level,ops[node+1].ival,&numarg); |
1698 | break; |
1699 | case OCPAREN: |
1700 | prewalk(0,level,ops[node+1].ival,&numarg); |
1701 | numeric |= numarg; |
1702 | break; |
1703 | case OCANDAND: |
1704 | prewalk(0,level,ops[node+1].ival,&numarg); |
1705 | numeric = 1; |
1706 | prewalk(0,level,ops[node+2].ival,&numarg); |
1707 | break; |
1708 | case OCOROR: |
1709 | prewalk(0,level,ops[node+1].ival,&numarg); |
1710 | numeric = 1; |
1711 | prewalk(0,level,ops[node+2].ival,&numarg); |
1712 | break; |
1713 | case OCNOT: |
1714 | prewalk(0,level,ops[node+1].ival,&numarg); |
1715 | numeric = 1; |
1716 | break; |
1717 | case ORELOP: |
1718 | prewalk(0,level,ops[node+2].ival,&numarg); |
1719 | numeric |= numarg; |
1720 | prewalk(0,level,ops[node+1].ival,&numarg); |
1721 | prewalk(0,level,ops[node+3].ival,&numarg); |
1722 | numeric |= numarg; |
1723 | numeric = 1; |
1724 | break; |
1725 | case ORPAREN: |
1726 | prewalk(0,level,ops[node+1].ival,&numarg); |
1727 | numeric |= numarg; |
1728 | break; |
1729 | case OMATCHOP: |
1730 | prewalk(0,level,ops[node+2].ival,&numarg); |
1731 | prewalk(0,level,ops[node+1].ival,&numarg); |
1732 | prewalk(0,level,ops[node+3].ival,&numarg); |
1733 | numeric = 1; |
1734 | break; |
1735 | case OMPAREN: |
1736 | prewalk(0,level,ops[node+1].ival,&numarg); |
1737 | numeric |= numarg; |
1738 | break; |
1739 | case OCONCAT: |
1740 | prewalk(0,level,ops[node+1].ival,&numarg); |
1741 | prewalk(0,level,ops[node+2].ival,&numarg); |
1742 | break; |
1743 | case OASSIGN: |
1744 | prewalk(0,level,ops[node+2].ival,&numarg); |
1745 | prewalk(0,level,ops[node+1].ival,&numarg); |
1746 | prewalk(0,level,ops[node+3].ival,&numarg); |
75f92628 |
1747 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
8d063cd8 |
1748 | numericize(ops[node+2].ival); |
1749 | if (!numarg) |
1750 | numericize(ops[node+3].ival); |
1751 | } |
1752 | numeric |= numarg; |
1753 | break; |
1754 | case OADD: |
1755 | prewalk(1,level,ops[node+1].ival,&numarg); |
1756 | prewalk(1,level,ops[node+2].ival,&numarg); |
1757 | numeric = 1; |
1758 | break; |
a687059c |
1759 | case OSUBTRACT: |
8d063cd8 |
1760 | prewalk(1,level,ops[node+1].ival,&numarg); |
1761 | prewalk(1,level,ops[node+2].ival,&numarg); |
1762 | numeric = 1; |
1763 | break; |
1764 | case OMULT: |
1765 | prewalk(1,level,ops[node+1].ival,&numarg); |
1766 | prewalk(1,level,ops[node+2].ival,&numarg); |
1767 | numeric = 1; |
1768 | break; |
1769 | case ODIV: |
1770 | prewalk(1,level,ops[node+1].ival,&numarg); |
1771 | prewalk(1,level,ops[node+2].ival,&numarg); |
1772 | numeric = 1; |
1773 | break; |
a687059c |
1774 | case OPOW: |
1775 | prewalk(1,level,ops[node+1].ival,&numarg); |
1776 | prewalk(1,level,ops[node+2].ival,&numarg); |
1777 | numeric = 1; |
1778 | break; |
8d063cd8 |
1779 | case OMOD: |
1780 | prewalk(1,level,ops[node+1].ival,&numarg); |
1781 | prewalk(1,level,ops[node+2].ival,&numarg); |
1782 | numeric = 1; |
1783 | break; |
1784 | case OPOSTINCR: |
1785 | prewalk(1,level,ops[node+1].ival,&numarg); |
1786 | numeric = 1; |
1787 | break; |
1788 | case OPOSTDECR: |
1789 | prewalk(1,level,ops[node+1].ival,&numarg); |
1790 | numeric = 1; |
1791 | break; |
1792 | case OPREINCR: |
1793 | prewalk(1,level,ops[node+1].ival,&numarg); |
1794 | numeric = 1; |
1795 | break; |
1796 | case OPREDECR: |
1797 | prewalk(1,level,ops[node+1].ival,&numarg); |
1798 | numeric = 1; |
1799 | break; |
1800 | case OUMINUS: |
1801 | prewalk(1,level,ops[node+1].ival,&numarg); |
1802 | numeric = 1; |
1803 | break; |
1804 | case OUPLUS: |
1805 | prewalk(1,level,ops[node+1].ival,&numarg); |
1806 | numeric = 1; |
1807 | break; |
1808 | case OPAREN: |
1809 | prewalk(0,level,ops[node+1].ival,&numarg); |
1810 | numeric |= numarg; |
1811 | break; |
1812 | case OGETLINE: |
1813 | break; |
1814 | case OSPRINTF: |
1815 | prewalk(0,level,ops[node+1].ival,&numarg); |
1816 | break; |
1817 | case OSUBSTR: |
1818 | prewalk(0,level,ops[node+1].ival,&numarg); |
1819 | prewalk(1,level,ops[node+2].ival,&numarg); |
1820 | if (len == 3) { |
1821 | prewalk(1,level,ops[node+3].ival,&numarg); |
1822 | } |
1823 | break; |
1824 | case OSTRING: |
1825 | break; |
1826 | case OSPLIT: |
1827 | numeric = 1; |
1828 | prewalk(0,level,ops[node+2].ival,&numarg); |
1829 | if (len == 3) |
1830 | prewalk(0,level,ops[node+3].ival,&numarg); |
1831 | prewalk(0,level,ops[node+1].ival,&numarg); |
1832 | break; |
1833 | case OINDEX: |
1834 | prewalk(0,level,ops[node+1].ival,&numarg); |
1835 | prewalk(0,level,ops[node+2].ival,&numarg); |
1836 | numeric = 1; |
1837 | break; |
a687059c |
1838 | case OMATCH: |
1839 | prewalk(0,level,ops[node+1].ival,&numarg); |
1840 | prewalk(0,level,ops[node+2].ival,&numarg); |
1841 | numeric = 1; |
1842 | break; |
1843 | case OUSERDEF: |
1844 | subretnum = FALSE; |
1845 | --level; |
1846 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
1847 | ++level; |
1848 | prewalk(0,level,ops[node+2].ival,&numarg); |
1849 | prewalk(0,level,ops[node+4].ival,&numarg); |
1850 | prewalk(0,level,ops[node+5].ival,&numarg); |
1851 | --level; |
1852 | str_cat(tmpstr,"("); |
1853 | tmp2str = str_new(0); |
1854 | if (subretnum || numarg) |
1855 | str_set(tmp2str,"1"); |
1856 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
1857 | str_free(tmpstr); |
1858 | level++; |
1859 | break; |
1860 | case ORETURN: |
1861 | if (len > 0) { |
1862 | prewalk(0,level,ops[node+1].ival,&numarg); |
1863 | if (numarg) |
1864 | subretnum = TRUE; |
1865 | } |
1866 | break; |
1867 | case OUSERFUN: |
1868 | tmp2str = str_new(0); |
1869 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
663a0e37 |
1870 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
a687059c |
1871 | str_free(tmpstr); |
1872 | str_cat(tmp2str,"("); |
1873 | tmpstr = hfetch(symtab,tmp2str->str_ptr); |
1874 | if (tmpstr && tmpstr->str_ptr) |
1875 | numeric |= atoi(tmpstr->str_ptr); |
1876 | prewalk(0,level,ops[node+2].ival,&numarg); |
1877 | str_free(tmp2str); |
1878 | break; |
1879 | case OGSUB: |
1880 | case OSUB: |
1881 | if (len >= 3) |
1882 | prewalk(0,level,ops[node+3].ival,&numarg); |
1883 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); |
1884 | prewalk(0,level,ops[node+1].ival,&numarg); |
1885 | numeric = 1; |
1886 | break; |
8d063cd8 |
1887 | case ONUM: |
1888 | prewalk(0,level,ops[node+1].ival,&numarg); |
1889 | numeric = 1; |
1890 | break; |
1891 | case OSTR: |
1892 | prewalk(0,level,ops[node+1].ival,&numarg); |
1893 | break; |
a687059c |
1894 | case ODEFINED: |
1895 | case ODELETE: |
1896 | case OSTAR: |
8d063cd8 |
1897 | case OVAR: |
1898 | prewalk(0,level,ops[node+1].ival,&numarg); |
1899 | if (len == 1) { |
1900 | if (numit) |
1901 | numericize(node); |
1902 | } |
1903 | else { |
1904 | prewalk(0,level,ops[node+2].ival,&numarg); |
1905 | } |
1906 | break; |
1907 | case OFLD: |
1908 | prewalk(0,level,ops[node+1].ival,&numarg); |
1909 | break; |
1910 | case OVFLD: |
1911 | i = ops[node+1].ival; |
1912 | prewalk(0,level,i,&numarg); |
1913 | break; |
1914 | case OJUNK: |
1915 | goto def; |
1916 | case OSNEWLINE: |
1917 | break; |
1918 | case ONEWLINE: |
1919 | break; |
1920 | case OSCOMMENT: |
1921 | break; |
1922 | case OCOMMENT: |
1923 | break; |
1924 | case OCOMMA: |
1925 | prewalk(0,level,ops[node+1].ival,&numarg); |
1926 | prewalk(0,level,ops[node+2].ival,&numarg); |
a687059c |
1927 | prewalk(0,level,ops[node+3].ival,&numarg); |
8d063cd8 |
1928 | break; |
1929 | case OSEMICOLON: |
1930 | break; |
1931 | case OSTATES: |
1932 | prewalk(0,level,ops[node+1].ival,&numarg); |
1933 | prewalk(0,level,ops[node+2].ival,&numarg); |
1934 | break; |
1935 | case OSTATE: |
1936 | if (len >= 1) { |
1937 | prewalk(0,level,ops[node+1].ival,&numarg); |
1938 | if (len >= 2) { |
1939 | prewalk(0,level,ops[node+2].ival,&numarg); |
1940 | } |
1941 | } |
1942 | break; |
a687059c |
1943 | case OCLOSE: |
1944 | prewalk(0,level,ops[node+1].ival,&numarg); |
1945 | break; |
8d063cd8 |
1946 | case OPRINTF: |
1947 | case OPRINT: |
1948 | if (len == 3) { /* output redirection */ |
1949 | prewalk(0,level,ops[node+3].ival,&numarg); |
1950 | prewalk(0,level,ops[node+2].ival,&numarg); |
1951 | } |
1952 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); |
1953 | break; |
a687059c |
1954 | case ORAND: |
1955 | break; |
1956 | case OSRAND: |
1957 | goto maybe0; |
1958 | case OATAN2: |
1959 | goto maybe0; |
1960 | case OSIN: |
1961 | goto maybe0; |
1962 | case OCOS: |
1963 | goto maybe0; |
1964 | case OSYSTEM: |
1965 | goto maybe0; |
8d063cd8 |
1966 | case OLENGTH: |
1967 | goto maybe0; |
1968 | case OLOG: |
1969 | goto maybe0; |
1970 | case OEXP: |
1971 | goto maybe0; |
1972 | case OSQRT: |
1973 | goto maybe0; |
1974 | case OINT: |
1975 | maybe0: |
1976 | numeric = 1; |
1977 | if (len > 0) |
a687059c |
1978 | prewalk(type != OLENGTH && type != OSYSTEM, |
1979 | level,ops[node+1].ival,&numarg); |
8d063cd8 |
1980 | break; |
1981 | case OBREAK: |
1982 | break; |
1983 | case ONEXT: |
1984 | break; |
1985 | case OEXIT: |
1986 | if (len == 1) { |
1987 | prewalk(1,level,ops[node+1].ival,&numarg); |
1988 | } |
1989 | break; |
1990 | case OCONTINUE: |
1991 | break; |
1992 | case OREDIR: |
1993 | goto def; |
1994 | case OIF: |
1995 | prewalk(0,level,ops[node+1].ival,&numarg); |
1996 | prewalk(0,level,ops[node+2].ival,&numarg); |
1997 | if (len == 3) { |
1998 | prewalk(0,level,ops[node+3].ival,&numarg); |
1999 | } |
2000 | break; |
2001 | case OWHILE: |
2002 | prewalk(0,level,ops[node+1].ival,&numarg); |
2003 | prewalk(0,level,ops[node+2].ival,&numarg); |
2004 | break; |
2005 | case OFOR: |
2006 | prewalk(0,level,ops[node+1].ival,&numarg); |
2007 | prewalk(0,level,ops[node+2].ival,&numarg); |
2008 | prewalk(0,level,ops[node+3].ival,&numarg); |
2009 | prewalk(0,level,ops[node+4].ival,&numarg); |
2010 | break; |
2011 | case OFORIN: |
2012 | prewalk(0,level,ops[node+2].ival,&numarg); |
2013 | prewalk(0,level,ops[node+1].ival,&numarg); |
8d063cd8 |
2014 | break; |
2015 | case OBLOCK: |
2016 | if (len == 2) { |
2017 | prewalk(0,level,ops[node+2].ival,&numarg); |
2018 | } |
2019 | ++level; |
2020 | prewalk(0,level,ops[node+1].ival,&numarg); |
2021 | --level; |
2022 | break; |
2023 | default: |
2024 | def: |
2025 | if (len) { |
2026 | if (len > 5) |
2027 | fatal("Garbage length in prewalk"); |
2028 | prewalk(0,level,ops[node+1].ival,&numarg); |
2029 | for (i = 2; i<= len; i++) { |
2030 | prewalk(0,level,ops[node+i].ival,&numarg); |
2031 | } |
2032 | } |
2033 | break; |
2034 | } |
2035 | *numericptr = numeric; |
2036 | return 1; |
2037 | } |
2038 | |
748a9306 |
2039 | static void |
f0f333f4 |
2040 | numericize(register int node) |
8d063cd8 |
2041 | { |
2042 | register int len; |
2043 | register int type; |
8d063cd8 |
2044 | STR *tmpstr; |
2045 | STR *tmp2str; |
2046 | int numarg; |
2047 | |
2048 | type = ops[node].ival; |
2049 | len = type >> 8; |
2050 | type &= 255; |
2051 | if (type == OVAR && len == 1) { |
a687059c |
2052 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
8d063cd8 |
2053 | tmp2str = str_make("1"); |
2054 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
2055 | } |
2056 | } |