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1 | /* $RCSfile: walk.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:31 $ |
| a687059c |
2 | * |
| d48672a2 |
3 | * Copyright (c) 1991, Larry Wall |
| a687059c |
4 | * |
| d48672a2 |
5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 8d063cd8 |
7 | * |
| 8 | * $Log: walk.c,v $ |
| 8d063cd8 |
9 | */ |
| 10 | |
| 8d063cd8 |
11 | #include "EXTERN.h" |
| 8d063cd8 |
12 | #include "a2p.h" |
| 9c8d0b29 |
13 | #include "util.h" |
| 8d063cd8 |
14 | |
| 748a9306 |
15 | static void tab(); |
| 16 | static void fixtab(); |
| 17 | static void addsemi(); |
| 18 | static void emit_split(); |
| 19 | static void numericize(); |
| 20 | |
| 8d063cd8 |
21 | bool exitval = FALSE; |
| 22 | bool realexit = FALSE; |
| 378cc40b |
23 | bool saw_getline = FALSE; |
| a687059c |
24 | bool subretnum = FALSE; |
| 25 | bool saw_FNR = FALSE; |
| 26 | bool saw_argv0 = FALSE; |
| d48672a2 |
27 | bool saw_fh = FALSE; |
| 8d063cd8 |
28 | int maxtmp = 0; |
| 378cc40b |
29 | char *lparen; |
| 30 | char *rparen; |
| 55204971 |
31 | char *limit; |
| a687059c |
32 | STR *subs; |
| 33 | STR *curargs = Nullstr; |
| 8d063cd8 |
34 | |
| 9c8d0b29 |
35 | void addsemi _(( STR *str )); |
| 36 | void emit_split _(( STR *str, int level )); |
| 37 | void fixtab _(( STR *str, int lvl )); |
| 38 | void numericize _(( int node )); |
| 39 | int prewalk _(( int numit, int level, int node, int *numericptr )); |
| 40 | void tab _(( STR *str, int lvl )); |
| 41 | STR * walk _(( int useval, int level, int node, int *numericptr, int minprec )); |
| 42 | |
| 43 | |
| 8d063cd8 |
44 | STR * |
| a687059c |
45 | walk(useval,level,node,numericptr,minprec) |
| 8d063cd8 |
46 | int useval; |
| 47 | int level; |
| 48 | register int node; |
| 49 | int *numericptr; |
| a687059c |
50 | int minprec; /* minimum precedence without parens */ |
| 8d063cd8 |
51 | { |
| 52 | register int len; |
| 53 | register STR *str; |
| 54 | register int type; |
| 55 | register int i; |
| 56 | register STR *tmpstr; |
| 57 | STR *tmp2str; |
| a687059c |
58 | STR *tmp3str; |
| 8d063cd8 |
59 | char *t; |
| 60 | char *d, *s; |
| 61 | int numarg; |
| 62 | int numeric = FALSE; |
| 63 | STR *fstr; |
| a687059c |
64 | int prec = P_MAX; /* assume no parens needed */ |
| 8d063cd8 |
65 | |
| 66 | if (!node) { |
| 67 | *numericptr = 0; |
| 68 | return str_make(""); |
| 69 | } |
| 70 | type = ops[node].ival; |
| 71 | len = type >> 8; |
| 72 | type &= 255; |
| 73 | switch (type) { |
| 74 | case OPROG: |
| d48672a2 |
75 | arymax = 0; |
| 76 | if (namelist) { |
| 77 | while (isalpha(*namelist)) { |
| 78 | for (d = tokenbuf,s=namelist; |
| 79 | isalpha(*s) || isdigit(*s) || *s == '_'; |
| 80 | *d++ = *s++) ; |
| 81 | *d = '\0'; |
| 82 | while (*s && !isalpha(*s)) s++; |
| 83 | namelist = s; |
| 84 | nameary[++arymax] = savestr(tokenbuf); |
| 85 | } |
| 86 | } |
| 87 | if (maxfld < arymax) |
| 88 | maxfld = arymax; |
| 8d063cd8 |
89 | opens = str_new(0); |
| a687059c |
90 | subs = str_new(0); |
| 91 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
92 | if (do_split && need_entire && !absmaxfld) |
| 93 | split_to_array = TRUE; |
| 94 | if (do_split && split_to_array) |
| 95 | set_array_base = TRUE; |
| 96 | if (set_array_base) { |
| 97 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); |
| 98 | } |
| 99 | if (fswitch && !const_FS) |
| 100 | const_FS = fswitch; |
| 101 | if (saw_FS > 1 || saw_RS) |
| 102 | const_FS = 0; |
| 103 | if (saw_ORS && need_entire) |
| 104 | do_chop = TRUE; |
| 105 | if (fswitch) { |
| 106 | str_cat(str,"$FS = '"); |
| a0d0e21e |
107 | if (strchr("*+?.[]()|^$\\",fswitch)) |
| 8d063cd8 |
108 | str_cat(str,"\\"); |
| 109 | sprintf(tokenbuf,"%c",fswitch); |
| 110 | str_cat(str,tokenbuf); |
| 111 | str_cat(str,"';\t\t# field separator from -F switch\n"); |
| 112 | } |
| 113 | else if (saw_FS && !const_FS) { |
| 9bb9d9f7 |
114 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
| 8d063cd8 |
115 | } |
| 116 | if (saw_OFS) { |
| a559c259 |
117 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
| 8d063cd8 |
118 | } |
| 119 | if (saw_ORS) { |
| a559c259 |
120 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
| 8d063cd8 |
121 | } |
| a687059c |
122 | if (saw_argv0) { |
| 123 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); |
| 124 | } |
| 8d063cd8 |
125 | if (str->str_cur > 20) |
| 126 | str_cat(str,"\n"); |
| 127 | if (ops[node+2].ival) { |
| a687059c |
128 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
129 | str_free(fstr); |
| 130 | str_cat(str,"\n\n"); |
| 131 | } |
| a687059c |
132 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
| 133 | if (*fstr->str_ptr) { |
| 134 | if (saw_line_op) |
| 135 | str_cat(str,"line: "); |
| 136 | str_cat(str,"while (<>) {\n"); |
| 137 | tab(str,++level); |
| 138 | if (saw_FS && !const_FS) |
| 139 | do_chop = TRUE; |
| 140 | if (do_chop) { |
| 141 | str_cat(str,"chop;\t# strip record separator\n"); |
| 142 | tab(str,level); |
| 8d063cd8 |
143 | } |
| a687059c |
144 | if (do_split) |
| 145 | emit_split(str,level); |
| 146 | str_scat(str,fstr); |
| 147 | str_free(fstr); |
| 148 | fixtab(str,--level); |
| 149 | str_cat(str,"}\n"); |
| 150 | if (saw_FNR) |
| 151 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); |
| 8d063cd8 |
152 | } |
| a687059c |
153 | else |
| ae986130 |
154 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
| 8d063cd8 |
155 | if (ops[node+4].ival) { |
| 156 | realexit = TRUE; |
| 157 | str_cat(str,"\n"); |
| 158 | tab(str,level); |
| a687059c |
159 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 |
160 | str_free(fstr); |
| 161 | str_cat(str,"\n"); |
| 162 | } |
| 163 | if (exitval) |
| 9f68db38 |
164 | str_cat(str,"exit $ExitValue;\n"); |
| a687059c |
165 | if (subs->str_ptr) { |
| 166 | str_cat(str,"\n"); |
| 167 | str_scat(str,subs); |
| 168 | } |
| 378cc40b |
169 | if (saw_getline) { |
| a687059c |
170 | for (len = 0; len < 4; len++) { |
| 171 | if (saw_getline & (1 << len)) { |
| 172 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); |
| 173 | str_cat(str, tokenbuf); |
| 174 | if (len & 2) { |
| 175 | if (do_fancy_opens) |
| 176 | str_cat(str," &Pick('',@_);\n"); |
| 177 | else |
| 178 | str_cat(str," ($fh) = @_;\n"); |
| 179 | } |
| 180 | else { |
| 181 | if (saw_FNR) |
| 182 | str_cat(str," $FNRbase = $. if eof;\n"); |
| 183 | } |
| 184 | if (len & 1) |
| 62b28dd9 |
185 | str_cat(str," local($_);\n"); |
| a687059c |
186 | if (len & 2) |
| 187 | str_cat(str, |
| 188 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); |
| 189 | else |
| 190 | str_cat(str, |
| 191 | " if ($getline_ok = (($_ = <>) ne ''))"); |
| 192 | str_cat(str, " {\n"); |
| 193 | level += 2; |
| 194 | tab(str,level); |
| 195 | i = 0; |
| 196 | if (do_chop) { |
| 197 | i++; |
| 198 | str_cat(str,"chop;\t# strip record separator\n"); |
| 199 | tab(str,level); |
| 200 | } |
| 201 | if (do_split && !(len & 1)) { |
| 202 | i++; |
| 203 | emit_split(str,level); |
| 204 | } |
| 205 | if (!i) |
| 206 | str_cat(str,";\n"); |
| 207 | fixtab(str,--level); |
| 208 | str_cat(str,"}\n $_;\n}\n"); |
| 209 | --level; |
| 210 | } |
| 378cc40b |
211 | } |
| 378cc40b |
212 | } |
| 8d063cd8 |
213 | if (do_fancy_opens) { |
| 214 | str_cat(str,"\n\ |
| 215 | sub Pick {\n\ |
| a687059c |
216 | local($mode,$name,$pipe) = @_;\n\ |
| 7c0587c8 |
217 | $fh = $name;\n\ |
| 218 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ |
| 8d063cd8 |
219 | }\n\ |
| 220 | "); |
| 221 | } |
| 222 | break; |
| 223 | case OHUNKS: |
| a687059c |
224 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 225 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
226 | str_free(fstr); |
| 227 | if (len == 3) { |
| a687059c |
228 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 |
229 | str_free(fstr); |
| 230 | } |
| 231 | else { |
| 232 | } |
| 233 | break; |
| 234 | case ORANGE: |
| a687059c |
235 | prec = P_DOTDOT; |
| 236 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
| 8d063cd8 |
237 | str_cat(str," .. "); |
| a687059c |
238 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 |
239 | str_free(fstr); |
| 240 | break; |
| 241 | case OPAT: |
| 242 | goto def; |
| 243 | case OREGEX: |
| 244 | str = str_new(0); |
| 245 | str_set(str,"/"); |
| a687059c |
246 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
247 | /* translate \nnn to [\nnn] */ |
| 248 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { |
| a687059c |
249 | if (*s == '\\' && isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])){ |
| 8d063cd8 |
250 | *d++ = '['; |
| 251 | *d++ = *s++; |
| 252 | *d++ = *s++; |
| 253 | *d++ = *s++; |
| 254 | *d++ = *s; |
| 255 | *d = ']'; |
| 256 | } |
| 257 | else |
| 258 | *d = *s; |
| 259 | } |
| 260 | *d = '\0'; |
| 378cc40b |
261 | for (d=tokenbuf; *d; d++) |
| 262 | *d += 128; |
| 8d063cd8 |
263 | str_cat(str,tokenbuf); |
| 264 | str_free(tmpstr); |
| 265 | str_cat(str,"/"); |
| 266 | break; |
| 267 | case OHUNK: |
| 268 | if (len == 1) { |
| 269 | str = str_new(0); |
| a687059c |
270 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
| 8d063cd8 |
271 | str_cat(str," if "); |
| a687059c |
272 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
273 | str_free(fstr); |
| 274 | str_cat(str,";"); |
| 275 | } |
| 276 | else { |
| a687059c |
277 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
278 | if (*tmpstr->str_ptr) { |
| 279 | str = str_new(0); |
| 280 | str_set(str,"if ("); |
| 281 | str_scat(str,tmpstr); |
| 282 | str_cat(str,") {\n"); |
| 283 | tab(str,++level); |
| a687059c |
284 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
285 | str_free(fstr); |
| 286 | fixtab(str,--level); |
| 287 | str_cat(str,"}\n"); |
| 288 | tab(str,level); |
| 289 | } |
| 290 | else { |
| a687059c |
291 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 |
292 | } |
| 293 | } |
| 294 | break; |
| 295 | case OPPAREN: |
| 296 | str = str_new(0); |
| 297 | str_set(str,"("); |
| a687059c |
298 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
299 | str_free(fstr); |
| 300 | str_cat(str,")"); |
| 301 | break; |
| 302 | case OPANDAND: |
| a687059c |
303 | prec = P_ANDAND; |
| 304 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
305 | str_cat(str," && "); |
| a687059c |
306 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 307 | str_free(fstr); |
| 308 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 |
309 | str_free(fstr); |
| 310 | break; |
| 311 | case OPOROR: |
| a687059c |
312 | prec = P_OROR; |
| 313 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
314 | str_cat(str," || "); |
| a687059c |
315 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 316 | str_free(fstr); |
| 317 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 |
318 | str_free(fstr); |
| 319 | break; |
| 320 | case OPNOT: |
| a687059c |
321 | prec = P_UNARY; |
| 8d063cd8 |
322 | str = str_new(0); |
| 323 | str_set(str,"!"); |
| a687059c |
324 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 |
325 | str_free(fstr); |
| 326 | break; |
| 62b28dd9 |
327 | case OCOND: |
| 328 | prec = P_COND; |
| 329 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 330 | str_cat(str," ? "); |
| 331 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 332 | str_free(fstr); |
| 333 | str_cat(str," : "); |
| 334 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 335 | str_free(fstr); |
| 336 | break; |
| 8d063cd8 |
337 | case OCPAREN: |
| 338 | str = str_new(0); |
| 339 | str_set(str,"("); |
| a687059c |
340 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
341 | str_free(fstr); |
| 342 | numeric |= numarg; |
| 343 | str_cat(str,")"); |
| 344 | break; |
| 345 | case OCANDAND: |
| a687059c |
346 | prec = P_ANDAND; |
| 347 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
348 | numeric = 1; |
| 349 | str_cat(str," && "); |
| a687059c |
350 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 351 | str_free(fstr); |
| 352 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 |
353 | str_free(fstr); |
| 354 | break; |
| 355 | case OCOROR: |
| a687059c |
356 | prec = P_OROR; |
| 357 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
358 | numeric = 1; |
| 359 | str_cat(str," || "); |
| a687059c |
360 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 361 | str_free(fstr); |
| 362 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 |
363 | str_free(fstr); |
| 364 | break; |
| 365 | case OCNOT: |
| a687059c |
366 | prec = P_UNARY; |
| 8d063cd8 |
367 | str = str_new(0); |
| 368 | str_set(str,"!"); |
| a687059c |
369 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 |
370 | str_free(fstr); |
| 371 | numeric = 1; |
| 372 | break; |
| 373 | case ORELOP: |
| a687059c |
374 | prec = P_REL; |
| 375 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
| 8d063cd8 |
376 | numeric |= numarg; |
| a687059c |
377 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 378 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); |
| 8d063cd8 |
379 | numeric |= numarg; |
| a687059c |
380 | if (!numeric || |
| 381 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { |
| 8d063cd8 |
382 | t = tmpstr->str_ptr; |
| 383 | if (strEQ(t,"==")) |
| 384 | str_set(tmpstr,"eq"); |
| 385 | else if (strEQ(t,"!=")) |
| 386 | str_set(tmpstr,"ne"); |
| 387 | else if (strEQ(t,"<")) |
| 388 | str_set(tmpstr,"lt"); |
| 389 | else if (strEQ(t,"<=")) |
| 390 | str_set(tmpstr,"le"); |
| 391 | else if (strEQ(t,">")) |
| 392 | str_set(tmpstr,"gt"); |
| 393 | else if (strEQ(t,">=")) |
| 394 | str_set(tmpstr,"ge"); |
| a0d0e21e |
395 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
| 396 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) |
| 8d063cd8 |
397 | numeric |= 2; |
| 398 | } |
| 399 | if (numeric & 2) { |
| 400 | if (numeric & 1) /* numeric is very good guess */ |
| 401 | str_cat(str," "); |
| 402 | else |
| 403 | str_cat(str,"\377"); |
| 404 | numeric = 1; |
| 405 | } |
| 406 | else |
| 407 | str_cat(str," "); |
| 408 | str_scat(str,tmpstr); |
| 409 | str_free(tmpstr); |
| 410 | str_cat(str," "); |
| 411 | str_scat(str,tmp2str); |
| 412 | str_free(tmp2str); |
| 413 | numeric = 1; |
| 414 | break; |
| 415 | case ORPAREN: |
| 416 | str = str_new(0); |
| 417 | str_set(str,"("); |
| a687059c |
418 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
419 | str_free(fstr); |
| 420 | numeric |= numarg; |
| 421 | str_cat(str,")"); |
| 422 | break; |
| 423 | case OMATCHOP: |
| a687059c |
424 | prec = P_MATCH; |
| 425 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); |
| 8d063cd8 |
426 | str_cat(str," "); |
| a687059c |
427 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
428 | if (strEQ(tmpstr->str_ptr,"~")) |
| 429 | str_cat(str,"=~"); |
| 430 | else { |
| 431 | str_scat(str,tmpstr); |
| 432 | str_free(tmpstr); |
| 433 | } |
| 434 | str_cat(str," "); |
| a687059c |
435 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 |
436 | str_free(fstr); |
| 437 | numeric = 1; |
| 438 | break; |
| 439 | case OMPAREN: |
| 440 | str = str_new(0); |
| 441 | str_set(str,"("); |
| a687059c |
442 | str_scat(str, |
| 443 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
444 | str_free(fstr); |
| 445 | numeric |= numarg; |
| 446 | str_cat(str,")"); |
| 447 | break; |
| 448 | case OCONCAT: |
| a687059c |
449 | prec = P_ADD; |
| 450 | type = ops[ops[node+1].ival].ival & 255; |
| 451 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); |
| 8d063cd8 |
452 | str_cat(str," . "); |
| a687059c |
453 | type = ops[ops[node+2].ival].ival & 255; |
| 454 | str_scat(str, |
| 455 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); |
| 8d063cd8 |
456 | str_free(fstr); |
| 457 | break; |
| 458 | case OASSIGN: |
| a687059c |
459 | prec = P_ASSIGN; |
| 460 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); |
| 8d063cd8 |
461 | str_cat(str," "); |
| a687059c |
462 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
463 | str_scat(str,tmpstr); |
| 464 | if (str_len(tmpstr) > 1) |
| 465 | numeric = 1; |
| 466 | str_free(tmpstr); |
| 467 | str_cat(str," "); |
| a687059c |
468 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
| 8d063cd8 |
469 | str_free(fstr); |
| 470 | numeric |= numarg; |
| 7c0587c8 |
471 | if (strEQ(str->str_ptr,"$/ = ''")) |
| 472 | str_set(str, "$/ = \"\\n\\n\""); |
| 8d063cd8 |
473 | break; |
| 474 | case OADD: |
| a687059c |
475 | prec = P_ADD; |
| 476 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
477 | str_cat(str," + "); |
| a687059c |
478 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 |
479 | str_free(fstr); |
| 480 | numeric = 1; |
| 481 | break; |
| a687059c |
482 | case OSUBTRACT: |
| 483 | prec = P_ADD; |
| 484 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
485 | str_cat(str," - "); |
| a687059c |
486 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 |
487 | str_free(fstr); |
| 488 | numeric = 1; |
| 489 | break; |
| 490 | case OMULT: |
| a687059c |
491 | prec = P_MUL; |
| 492 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
493 | str_cat(str," * "); |
| a687059c |
494 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 |
495 | str_free(fstr); |
| 496 | numeric = 1; |
| 497 | break; |
| 498 | case ODIV: |
| a687059c |
499 | prec = P_MUL; |
| 500 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
501 | str_cat(str," / "); |
| a687059c |
502 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 503 | str_free(fstr); |
| 504 | numeric = 1; |
| 505 | break; |
| 506 | case OPOW: |
| 507 | prec = P_POW; |
| 508 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
| 509 | str_cat(str," ** "); |
| 510 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); |
| 8d063cd8 |
511 | str_free(fstr); |
| 512 | numeric = 1; |
| 513 | break; |
| 514 | case OMOD: |
| a687059c |
515 | prec = P_MUL; |
| 516 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
517 | str_cat(str," % "); |
| a687059c |
518 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 |
519 | str_free(fstr); |
| 520 | numeric = 1; |
| 521 | break; |
| 522 | case OPOSTINCR: |
| a687059c |
523 | prec = P_AUTO; |
| 524 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
| 8d063cd8 |
525 | str_cat(str,"++"); |
| 526 | numeric = 1; |
| 527 | break; |
| 528 | case OPOSTDECR: |
| a687059c |
529 | prec = P_AUTO; |
| 530 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); |
| 8d063cd8 |
531 | str_cat(str,"--"); |
| 532 | numeric = 1; |
| 533 | break; |
| 534 | case OPREINCR: |
| a687059c |
535 | prec = P_AUTO; |
| 8d063cd8 |
536 | str = str_new(0); |
| 537 | str_set(str,"++"); |
| a687059c |
538 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 |
539 | str_free(fstr); |
| 540 | numeric = 1; |
| 541 | break; |
| 542 | case OPREDECR: |
| a687059c |
543 | prec = P_AUTO; |
| 8d063cd8 |
544 | str = str_new(0); |
| 545 | str_set(str,"--"); |
| a687059c |
546 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 |
547 | str_free(fstr); |
| 548 | numeric = 1; |
| 549 | break; |
| 550 | case OUMINUS: |
| a687059c |
551 | prec = P_UNARY; |
| 8d063cd8 |
552 | str = str_new(0); |
| 553 | str_set(str,"-"); |
| a687059c |
554 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 |
555 | str_free(fstr); |
| 556 | numeric = 1; |
| 557 | break; |
| 558 | case OUPLUS: |
| 559 | numeric = 1; |
| 560 | goto def; |
| 561 | case OPAREN: |
| 562 | str = str_new(0); |
| 563 | str_set(str,"("); |
| a687059c |
564 | str_scat(str, |
| 565 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
566 | str_free(fstr); |
| 567 | str_cat(str,")"); |
| 568 | numeric |= numarg; |
| 569 | break; |
| 570 | case OGETLINE: |
| 571 | str = str_new(0); |
| a687059c |
572 | if (useval) |
| 573 | str_cat(str,"("); |
| 574 | if (len > 0) { |
| a687059c |
575 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 576 | if (!*fstr->str_ptr) { |
| 7c0587c8 |
577 | str_cat(str,"$_"); |
| a687059c |
578 | len = 2; /* a legal fiction */ |
| 579 | } |
| 580 | str_free(fstr); |
| 581 | } |
| 582 | else |
| 583 | str_cat(str,"$_"); |
| 584 | if (len > 1) { |
| 585 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
| 586 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 587 | if (!do_fancy_opens) { |
| 588 | t = tmpstr->str_ptr; |
| 589 | if (*t == '"' || *t == '\'') |
| 590 | t = cpytill(tokenbuf,t+1,*t); |
| 591 | else |
| 592 | fatal("Internal error: OGETLINE %s", t); |
| 593 | d = savestr(t); |
| 594 | s = savestr(tokenbuf); |
| 595 | for (t = tokenbuf; *t; t++) { |
| 596 | *t &= 127; |
| d48672a2 |
597 | if (islower(*t)) |
| 598 | *t = toupper(*t); |
| a687059c |
599 | if (!isalpha(*t) && !isdigit(*t)) |
| 600 | *t = '_'; |
| 601 | } |
| a0d0e21e |
602 | if (!strchr(tokenbuf,'_')) |
| d48672a2 |
603 | strcpy(t,"_FH"); |
| a687059c |
604 | tmp3str = hfetch(symtab,tokenbuf); |
| 605 | if (!tmp3str) { |
| 606 | do_opens = TRUE; |
| 607 | str_cat(opens,"open("); |
| 608 | str_cat(opens,tokenbuf); |
| 609 | str_cat(opens,", "); |
| 610 | d[1] = '\0'; |
| 611 | str_cat(opens,d); |
| 612 | str_cat(opens,tmpstr->str_ptr+1); |
| 613 | opens->str_cur--; |
| 614 | if (*fstr->str_ptr == '|') |
| 615 | str_cat(opens,"|"); |
| 616 | str_cat(opens,d); |
| 617 | if (*fstr->str_ptr == '|') |
| 618 | str_cat(opens,") || die 'Cannot pipe from \""); |
| 619 | else |
| 620 | str_cat(opens,") || die 'Cannot open file \""); |
| 621 | if (*d == '"') |
| 622 | str_cat(opens,"'.\""); |
| 623 | str_cat(opens,s); |
| 624 | if (*d == '"') |
| 625 | str_cat(opens,"\".'"); |
| 626 | str_cat(opens,"\".';\n"); |
| 627 | hstore(symtab,tokenbuf,str_make("x")); |
| 628 | } |
| 629 | safefree(s); |
| 630 | safefree(d); |
| 631 | str_set(tmpstr,"'"); |
| 632 | str_cat(tmpstr,tokenbuf); |
| 633 | str_cat(tmpstr,"'"); |
| 634 | } |
| 635 | if (*fstr->str_ptr == '|') |
| 636 | str_cat(tmpstr,", '|'"); |
| 637 | str_free(fstr); |
| 638 | } |
| 639 | else |
| 640 | tmpstr = str_make(""); |
| 641 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); |
| 642 | str_cat(str,tokenbuf); |
| 643 | str_free(tmpstr); |
| 644 | if (useval) |
| 645 | str_cat(str,",$getline_ok)"); |
| 646 | saw_getline |= 1 << len; |
| 8d063cd8 |
647 | break; |
| 648 | case OSPRINTF: |
| 649 | str = str_new(0); |
| 650 | str_set(str,"sprintf("); |
| a687059c |
651 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
652 | str_free(fstr); |
| 653 | str_cat(str,")"); |
| 654 | break; |
| 655 | case OSUBSTR: |
| 656 | str = str_new(0); |
| 657 | str_set(str,"substr("); |
| a687059c |
658 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 |
659 | str_free(fstr); |
| 660 | str_cat(str,", "); |
| a687059c |
661 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 |
662 | str_free(fstr); |
| 663 | str_cat(str,", "); |
| 664 | if (len == 3) { |
| a687059c |
665 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 |
666 | str_free(fstr); |
| 667 | } |
| 668 | else |
| 669 | str_cat(str,"999999"); |
| 670 | str_cat(str,")"); |
| 671 | break; |
| 672 | case OSTRING: |
| 673 | str = str_new(0); |
| 674 | str_set(str,ops[node+1].cval); |
| 675 | break; |
| 676 | case OSPLIT: |
| 677 | str = str_new(0); |
| 55204971 |
678 | limit = ", 9999)"; |
| 8d063cd8 |
679 | numeric = 1; |
| a687059c |
680 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 |
681 | if (useval) |
| 682 | str_set(str,"(@"); |
| 683 | else |
| 684 | str_set(str,"@"); |
| 685 | str_scat(str,tmpstr); |
| 686 | str_cat(str," = split("); |
| 687 | if (len == 3) { |
| a687059c |
688 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
| 8d063cd8 |
689 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
| 690 | i = fstr->str_ptr[1] & 127; |
| a0d0e21e |
691 | if (strchr("*+?.[]()|^$\\",i)) |
| 8d063cd8 |
692 | sprintf(tokenbuf,"/\\%c/",i); |
| 20188a90 |
693 | else if (i == ' ') |
| 62b28dd9 |
694 | sprintf(tokenbuf,"' '"); |
| 8d063cd8 |
695 | else |
| 696 | sprintf(tokenbuf,"/%c/",i); |
| 697 | str_cat(str,tokenbuf); |
| 698 | } |
| 699 | else |
| 700 | str_scat(str,fstr); |
| 701 | str_free(fstr); |
| 702 | } |
| 703 | else if (const_FS) { |
| 704 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); |
| 705 | str_cat(str,tokenbuf); |
| 706 | } |
| 707 | else if (saw_FS) |
| 708 | str_cat(str,"$FS"); |
| 55204971 |
709 | else { |
| 9bb9d9f7 |
710 | str_cat(str,"' '"); |
| 55204971 |
711 | limit = ")"; |
| 712 | } |
| 8d063cd8 |
713 | str_cat(str,", "); |
| a687059c |
714 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 |
715 | str_free(fstr); |
| 55204971 |
716 | str_cat(str,limit); |
| 8d063cd8 |
717 | if (useval) { |
| 718 | str_cat(str,")"); |
| 719 | } |
| 720 | str_free(tmpstr); |
| 721 | break; |
| 722 | case OINDEX: |
| 723 | str = str_new(0); |
| 724 | str_set(str,"index("); |
| a687059c |
725 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 |
726 | str_free(fstr); |
| 727 | str_cat(str,", "); |
| a687059c |
728 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 |
729 | str_free(fstr); |
| 730 | str_cat(str,")"); |
| 731 | numeric = 1; |
| 732 | break; |
| a687059c |
733 | case OMATCH: |
| 734 | str = str_new(0); |
| 735 | prec = P_ANDAND; |
| 736 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); |
| 737 | str_free(fstr); |
| 738 | str_cat(str," =~ "); |
| 739 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); |
| 740 | str_free(fstr); |
| 741 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); |
| 742 | numeric = 1; |
| 743 | break; |
| 744 | case OUSERDEF: |
| 745 | str = str_new(0); |
| 746 | subretnum = FALSE; |
| 747 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); |
| 748 | curargs = str_new(0); |
| 749 | str_sset(curargs,fstr); |
| 750 | str_cat(curargs,","); |
| 751 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); |
| 752 | str_free(curargs); |
| 753 | curargs = Nullstr; |
| 754 | level--; |
| 755 | subretnum |= numarg; |
| 756 | s = Nullch; |
| 757 | t = tmp2str->str_ptr; |
| 758 | while (t = instr(t,"return ")) |
| 759 | s = t++; |
| 760 | if (s) { |
| 761 | i = 0; |
| 762 | for (t = s+7; *t; t++) { |
| 763 | if (*t == ';' || *t == '}') |
| 764 | i++; |
| 765 | } |
| 766 | if (i == 1) { |
| 767 | strcpy(s,s+7); |
| 768 | tmp2str->str_cur -= 7; |
| 769 | } |
| 770 | } |
| 771 | str_set(str,"\n"); |
| 772 | tab(str,level); |
| 773 | str_cat(str,"sub "); |
| 774 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 775 | str_cat(str," {\n"); |
| 776 | tab(str,++level); |
| 777 | if (fstr->str_cur) { |
| 778 | str_cat(str,"local("); |
| 779 | str_scat(str,fstr); |
| 780 | str_cat(str,") = @_;"); |
| 781 | } |
| 782 | str_free(fstr); |
| 783 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
| 784 | str_free(fstr); |
| 785 | fixtab(str,level); |
| 786 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); |
| 787 | str_free(fstr); |
| 788 | fixtab(str,level); |
| 789 | str_scat(str,tmp2str); |
| 790 | str_free(tmp2str); |
| 791 | fixtab(str,--level); |
| 792 | str_cat(str,"}\n"); |
| 793 | tab(str,level); |
| 794 | str_scat(subs,str); |
| 795 | str_set(str,""); |
| 796 | str_cat(tmpstr,"("); |
| 797 | tmp2str = str_new(0); |
| 798 | if (subretnum) |
| 799 | str_set(tmp2str,"1"); |
| 800 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
| 801 | str_free(tmpstr); |
| 802 | level++; |
| 803 | break; |
| 804 | case ORETURN: |
| 805 | str = str_new(0); |
| 806 | if (len > 0) { |
| 807 | str_cat(str,"return "); |
| 808 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); |
| 809 | str_free(fstr); |
| 810 | if (numarg) |
| 811 | subretnum = TRUE; |
| 812 | } |
| 813 | else |
| 814 | str_cat(str,"return"); |
| 815 | break; |
| 816 | case OUSERFUN: |
| 817 | str = str_new(0); |
| 818 | str_set(str,"&"); |
| 819 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 820 | str_free(fstr); |
| 821 | str_cat(str,"("); |
| 822 | tmpstr = hfetch(symtab,str->str_ptr+3); |
| 823 | if (tmpstr && tmpstr->str_ptr) |
| 824 | numeric |= atoi(tmpstr->str_ptr); |
| 825 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 826 | str_free(fstr); |
| 827 | str_cat(str,")"); |
| 828 | break; |
| 829 | case OGSUB: |
| 830 | case OSUB: |
| 831 | if (type == OGSUB) |
| 832 | s = "g"; |
| 833 | else |
| 834 | s = ""; |
| 835 | str = str_new(0); |
| 836 | tmpstr = str_new(0); |
| 837 | i = 0; |
| 838 | if (len == 3) { |
| 839 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); |
| 840 | if (strNE(tmpstr->str_ptr,"$_")) { |
| 841 | str_cat(tmpstr, " =~ s"); |
| 842 | i++; |
| 843 | } |
| 844 | else |
| 845 | str_set(tmpstr, "s"); |
| 846 | } |
| 847 | else |
| 848 | str_set(tmpstr, "s"); |
| 849 | type = ops[ops[node+2].ival].ival; |
| 850 | len = type >> 8; |
| 851 | type &= 255; |
| 852 | tmp3str = str_new(0); |
| 853 | if (type == OSTR) { |
| 854 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
| 855 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { |
| 856 | if (*t == '&') |
| 857 | *d++ = '$' + 128; |
| 858 | else if (*t == '$') |
| 859 | *d++ = '\\' + 128; |
| 860 | *d = *t + 128; |
| 861 | } |
| 862 | *d = '\0'; |
| 863 | str_set(tmp2str,tokenbuf); |
| 864 | } |
| 865 | else { |
| 866 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 867 | str_set(tmp3str,"($s_ = '\"'.("); |
| 868 | str_scat(tmp3str,tmp2str); |
| 869 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); |
| 870 | str_set(tmp2str,"eval $s_"); |
| 871 | s = (*s == 'g' ? "ge" : "e"); |
| 872 | i++; |
| 873 | } |
| 874 | type = ops[ops[node+1].ival].ival; |
| 875 | len = type >> 8; |
| 876 | type &= 255; |
| 877 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 878 | if (type == OREGEX) { |
| 879 | if (useval && i) |
| 880 | str_cat(str,"("); |
| 881 | str_scat(str,tmp3str); |
| 882 | str_scat(str,tmpstr); |
| 883 | str_scat(str,fstr); |
| 884 | str_scat(str,tmp2str); |
| 885 | str_cat(str,"/"); |
| 886 | str_cat(str,s); |
| 887 | } |
| 888 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { |
| 889 | if (useval && i) |
| 890 | str_cat(str,"("); |
| 891 | str_scat(str,tmp3str); |
| 892 | str_scat(str,tmpstr); |
| 893 | str_cat(str,"/"); |
| 894 | str_scat(str,fstr); |
| 895 | str_cat(str,"/"); |
| 896 | str_scat(str,tmp2str); |
| 897 | str_cat(str,"/"); |
| 898 | str_cat(str,s); |
| 899 | } |
| 900 | else { |
| 901 | i++; |
| 902 | if (useval) |
| 903 | str_cat(str,"("); |
| 904 | str_cat(str,"$s = "); |
| 905 | str_scat(str,fstr); |
| 906 | str_cat(str,", "); |
| 907 | str_scat(str,tmp3str); |
| 908 | str_scat(str,tmpstr); |
| 909 | str_cat(str,"/$s/"); |
| 910 | str_scat(str,tmp2str); |
| 911 | str_cat(str,"/"); |
| 912 | str_cat(str,s); |
| 913 | } |
| 914 | if (useval && i) |
| 915 | str_cat(str,")"); |
| 916 | str_free(fstr); |
| 917 | str_free(tmpstr); |
| 918 | str_free(tmp2str); |
| 919 | str_free(tmp3str); |
| 920 | numeric = 1; |
| 921 | break; |
| 8d063cd8 |
922 | case ONUM: |
| a687059c |
923 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
924 | numeric = 1; |
| 925 | break; |
| 926 | case OSTR: |
| a687059c |
927 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
928 | s = "'"; |
| 378cc40b |
929 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
| 930 | if (*t == '\'') |
| 931 | s = "\""; |
| 932 | else if (*t == '\\') { |
| 8d063cd8 |
933 | s = "\""; |
| 378cc40b |
934 | *d++ = *t++ + 128; |
| 935 | switch (*t) { |
| fe14fcc3 |
936 | case '\\': case '"': case 'n': case 't': case '$': |
| 378cc40b |
937 | break; |
| 938 | default: /* hide this from perl */ |
| 939 | *d++ = '\\' + 128; |
| 940 | } |
| 941 | } |
| 942 | *d = *t + 128; |
| 8d063cd8 |
943 | } |
| 378cc40b |
944 | *d = '\0'; |
| 8d063cd8 |
945 | str = str_new(0); |
| 946 | str_set(str,s); |
| 378cc40b |
947 | str_cat(str,tokenbuf); |
| 8d063cd8 |
948 | str_free(tmpstr); |
| 949 | str_cat(str,s); |
| 950 | break; |
| a687059c |
951 | case ODEFINED: |
| 952 | prec = P_UNI; |
| 953 | str = str_new(0); |
| 954 | str_set(str,"defined $"); |
| 955 | goto addvar; |
| 956 | case ODELETE: |
| 957 | str = str_new(0); |
| 958 | str_set(str,"delete $"); |
| 959 | goto addvar; |
| 960 | case OSTAR: |
| 961 | str = str_new(0); |
| 962 | str_set(str,"*"); |
| 963 | goto addvar; |
| 8d063cd8 |
964 | case OVAR: |
| 965 | str = str_new(0); |
| 966 | str_set(str,"$"); |
| a687059c |
967 | addvar: |
| 968 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
969 | if (len == 1) { |
| 970 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
| 971 | if (tmp2str && atoi(tmp2str->str_ptr)) |
| 972 | numeric = 2; |
| a687059c |
973 | if (strEQ(str->str_ptr,"$FNR")) { |
| 974 | numeric = 1; |
| 975 | saw_FNR++; |
| 976 | str_set(str,"($.-$FNRbase)"); |
| 977 | } |
| 978 | else if (strEQ(str->str_ptr,"$NR")) { |
| 8d063cd8 |
979 | numeric = 1; |
| 980 | str_set(str,"$."); |
| 981 | } |
| 982 | else if (strEQ(str->str_ptr,"$NF")) { |
| 983 | numeric = 1; |
| 984 | str_set(str,"$#Fld"); |
| 985 | } |
| 986 | else if (strEQ(str->str_ptr,"$0")) |
| 987 | str_set(str,"$_"); |
| a687059c |
988 | else if (strEQ(str->str_ptr,"$ARGC")) |
| 989 | str_set(str,"($#ARGV+1)"); |
| 8d063cd8 |
990 | } |
| 991 | else { |
| a687059c |
992 | #ifdef NOTDEF |
| 993 | if (curargs) { |
| 994 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); |
| 995 | ??? if (instr(curargs->str_ptr,tokenbuf)) |
| 996 | str_cat(str,"\377"); /* can't translate yet */ |
| 997 | } |
| 998 | #endif |
| 8d063cd8 |
999 | str_cat(tmpstr,"[]"); |
| 1000 | tmp2str = hfetch(symtab,tmpstr->str_ptr); |
| 1001 | if (tmp2str && atoi(tmp2str->str_ptr)) |
| 1002 | str_cat(str,"["); |
| 1003 | else |
| 1004 | str_cat(str,"{"); |
| a687059c |
1005 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1006 | str_free(fstr); |
| a687059c |
1007 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
| 1008 | str_set(str,"$ARGV0"); |
| 1009 | saw_argv0++; |
| 1010 | } |
| 1011 | else { |
| 1012 | if (tmp2str && atoi(tmp2str->str_ptr)) |
| 1013 | strcpy(tokenbuf,"]"); |
| 1014 | else |
| 1015 | strcpy(tokenbuf,"}"); |
| 1016 | *tokenbuf += 128; |
| 1017 | str_cat(str,tokenbuf); |
| 1018 | } |
| 8d063cd8 |
1019 | } |
| 1020 | str_free(tmpstr); |
| 1021 | break; |
| 1022 | case OFLD: |
| 1023 | str = str_new(0); |
| 1024 | if (split_to_array) { |
| 1025 | str_set(str,"$Fld"); |
| 1026 | str_cat(str,"["); |
| a687059c |
1027 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1028 | str_free(fstr); |
| 1029 | str_cat(str,"]"); |
| 1030 | } |
| 1031 | else { |
| a687059c |
1032 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
| 8d063cd8 |
1033 | if (i <= arymax) |
| 1034 | sprintf(tokenbuf,"$%s",nameary[i]); |
| 1035 | else |
| 1036 | sprintf(tokenbuf,"$Fld%d",i); |
| 1037 | str_set(str,tokenbuf); |
| 1038 | } |
| 1039 | break; |
| 1040 | case OVFLD: |
| 1041 | str = str_new(0); |
| 1042 | str_set(str,"$Fld["); |
| 1043 | i = ops[node+1].ival; |
| 1044 | if ((ops[i].ival & 255) == OPAREN) |
| 1045 | i = ops[i+1].ival; |
| a687059c |
1046 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
| 8d063cd8 |
1047 | str_scat(str,tmpstr); |
| 1048 | str_free(tmpstr); |
| 1049 | str_cat(str,"]"); |
| 1050 | break; |
| 1051 | case OJUNK: |
| 1052 | goto def; |
| 1053 | case OSNEWLINE: |
| 1054 | str = str_new(2); |
| 1055 | str_set(str,";\n"); |
| 1056 | tab(str,level); |
| 1057 | break; |
| 1058 | case ONEWLINE: |
| 1059 | str = str_new(1); |
| 1060 | str_set(str,"\n"); |
| 1061 | tab(str,level); |
| 1062 | break; |
| 1063 | case OSCOMMENT: |
| 1064 | str = str_new(0); |
| 1065 | str_set(str,";"); |
| a687059c |
1066 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
1067 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| 1068 | *s += 128; |
| 1069 | str_scat(str,tmpstr); |
| 1070 | str_free(tmpstr); |
| 1071 | tab(str,level); |
| 1072 | break; |
| 1073 | case OCOMMENT: |
| 1074 | str = str_new(0); |
| a687059c |
1075 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
1076 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| 1077 | *s += 128; |
| 1078 | str_scat(str,tmpstr); |
| 1079 | str_free(tmpstr); |
| 1080 | tab(str,level); |
| 1081 | break; |
| 1082 | case OCOMMA: |
| a687059c |
1083 | prec = P_COMMA; |
| 1084 | str = walk(1,level,ops[node+1].ival,&numarg,prec); |
| 8d063cd8 |
1085 | str_cat(str,", "); |
| a687059c |
1086 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 1087 | str_free(fstr); |
| 1088 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 |
1089 | str_free(fstr); |
| 1090 | break; |
| 1091 | case OSEMICOLON: |
| 1092 | str = str_new(1); |
| a687059c |
1093 | str_set(str,";\n"); |
| 1094 | tab(str,level); |
| 8d063cd8 |
1095 | break; |
| 1096 | case OSTATES: |
| a687059c |
1097 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 1098 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1099 | str_free(fstr); |
| 1100 | break; |
| 1101 | case OSTATE: |
| 1102 | str = str_new(0); |
| 1103 | if (len >= 1) { |
| a687059c |
1104 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1105 | str_free(fstr); |
| 1106 | if (len >= 2) { |
| a687059c |
1107 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 |
1108 | if (*tmpstr->str_ptr == ';') { |
| 1109 | addsemi(str); |
| 1110 | str_cat(str,tmpstr->str_ptr+1); |
| 1111 | } |
| 1112 | str_free(tmpstr); |
| 1113 | } |
| 1114 | } |
| 1115 | break; |
| a687059c |
1116 | case OCLOSE: |
| 1117 | str = str_make("close("); |
| 1118 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 1119 | if (!do_fancy_opens) { |
| 1120 | t = tmpstr->str_ptr; |
| 1121 | if (*t == '"' || *t == '\'') |
| 1122 | t = cpytill(tokenbuf,t+1,*t); |
| 1123 | else |
| 1124 | fatal("Internal error: OCLOSE %s",t); |
| 1125 | s = savestr(tokenbuf); |
| 1126 | for (t = tokenbuf; *t; t++) { |
| 1127 | *t &= 127; |
| d48672a2 |
1128 | if (islower(*t)) |
| 1129 | *t = toupper(*t); |
| a687059c |
1130 | if (!isalpha(*t) && !isdigit(*t)) |
| 1131 | *t = '_'; |
| 1132 | } |
| a0d0e21e |
1133 | if (!strchr(tokenbuf,'_')) |
| d48672a2 |
1134 | strcpy(t,"_FH"); |
| a687059c |
1135 | str_free(tmpstr); |
| 1136 | safefree(s); |
| 1137 | str_set(str,"close "); |
| 1138 | str_cat(str,tokenbuf); |
| 1139 | } |
| 1140 | else { |
| 7c0587c8 |
1141 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
| 1142 | tmpstr->str_ptr, tmpstr->str_ptr); |
| a687059c |
1143 | str_free(tmpstr); |
| 1144 | str_set(str,tokenbuf); |
| 1145 | } |
| 1146 | break; |
| 8d063cd8 |
1147 | case OPRINTF: |
| 1148 | case OPRINT: |
| 378cc40b |
1149 | lparen = ""; /* set to parens if necessary */ |
| 1150 | rparen = ""; |
| 8d063cd8 |
1151 | str = str_new(0); |
| 1152 | if (len == 3) { /* output redirection */ |
| a687059c |
1153 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
| 1154 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 |
1155 | if (!do_fancy_opens) { |
| 1156 | t = tmpstr->str_ptr; |
| 1157 | if (*t == '"' || *t == '\'') |
| 1158 | t = cpytill(tokenbuf,t+1,*t); |
| 1159 | else |
| 1160 | fatal("Internal error: OPRINT"); |
| 1161 | d = savestr(t); |
| 1162 | s = savestr(tokenbuf); |
| 1163 | for (t = tokenbuf; *t; t++) { |
| 1164 | *t &= 127; |
| d48672a2 |
1165 | if (islower(*t)) |
| 1166 | *t = toupper(*t); |
| 8d063cd8 |
1167 | if (!isalpha(*t) && !isdigit(*t)) |
| 1168 | *t = '_'; |
| 1169 | } |
| a0d0e21e |
1170 | if (!strchr(tokenbuf,'_')) |
| d48672a2 |
1171 | strcpy(t,"_FH"); |
| a687059c |
1172 | tmp3str = hfetch(symtab,tokenbuf); |
| 1173 | if (!tmp3str) { |
| 1174 | str_cat(opens,"open("); |
| 1175 | str_cat(opens,tokenbuf); |
| 1176 | str_cat(opens,", "); |
| 1177 | d[1] = '\0'; |
| 1178 | str_cat(opens,d); |
| 1179 | str_scat(opens,tmp2str); |
| 1180 | str_cat(opens,tmpstr->str_ptr+1); |
| 1181 | if (*tmp2str->str_ptr == '|') |
| 1182 | str_cat(opens,") || die 'Cannot pipe to \""); |
| 1183 | else |
| 1184 | str_cat(opens,") || die 'Cannot create file \""); |
| 1185 | if (*d == '"') |
| 1186 | str_cat(opens,"'.\""); |
| 1187 | str_cat(opens,s); |
| 1188 | if (*d == '"') |
| 1189 | str_cat(opens,"\".'"); |
| 1190 | str_cat(opens,"\".';\n"); |
| 1191 | hstore(symtab,tokenbuf,str_make("x")); |
| 1192 | } |
| 8d063cd8 |
1193 | str_free(tmpstr); |
| 1194 | str_free(tmp2str); |
| 1195 | safefree(s); |
| 1196 | safefree(d); |
| 1197 | } |
| 1198 | else { |
| a687059c |
1199 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
| 8d063cd8 |
1200 | tmp2str->str_ptr, tmpstr->str_ptr); |
| 1201 | str_cat(str,tokenbuf); |
| 1202 | tab(str,level+1); |
| a687059c |
1203 | strcpy(tokenbuf,"$fh"); |
| 8d063cd8 |
1204 | str_free(tmpstr); |
| 1205 | str_free(tmp2str); |
| 378cc40b |
1206 | lparen = "("; |
| 1207 | rparen = ")"; |
| 8d063cd8 |
1208 | } |
| 1209 | } |
| 1210 | else |
| a687059c |
1211 | strcpy(tokenbuf,""); |
| 378cc40b |
1212 | str_cat(str,lparen); /* may be null */ |
| 8d063cd8 |
1213 | if (type == OPRINTF) |
| 1214 | str_cat(str,"printf"); |
| 1215 | else |
| 1216 | str_cat(str,"print"); |
| d48672a2 |
1217 | saw_fh = 0; |
| 8d063cd8 |
1218 | if (len == 3 || do_fancy_opens) { |
| d48672a2 |
1219 | if (*tokenbuf) { |
| 8d063cd8 |
1220 | str_cat(str," "); |
| d48672a2 |
1221 | saw_fh = 1; |
| 1222 | } |
| 8d063cd8 |
1223 | str_cat(str,tokenbuf); |
| 1224 | } |
| a687059c |
1225 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
1226 | if (!*tmpstr->str_ptr && lval_field) { |
| 1227 | t = saw_OFS ? "$," : "' '"; |
| 1228 | if (split_to_array) { |
| 1229 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
| 1230 | str_cat(tmpstr,tokenbuf); |
| 1231 | } |
| 1232 | else { |
| 1233 | for (i = 1; i < maxfld; i++) { |
| 1234 | if (i <= arymax) |
| 1235 | sprintf(tokenbuf,"$%s, ",nameary[i]); |
| 1236 | else |
| 1237 | sprintf(tokenbuf,"$Fld%d, ",i); |
| 1238 | str_cat(tmpstr,tokenbuf); |
| 1239 | } |
| 1240 | if (maxfld <= arymax) |
| 1241 | sprintf(tokenbuf,"$%s",nameary[maxfld]); |
| 1242 | else |
| 1243 | sprintf(tokenbuf,"$Fld%d",maxfld); |
| 1244 | str_cat(tmpstr,tokenbuf); |
| 1245 | } |
| 1246 | } |
| 1247 | if (*tmpstr->str_ptr) { |
| 1248 | str_cat(str," "); |
| d48672a2 |
1249 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
| 1250 | str_cat(str,"("); |
| 1251 | str_scat(str,tmpstr); |
| 1252 | str_cat(str,")"); |
| 1253 | } |
| 1254 | else |
| 1255 | str_scat(str,tmpstr); |
| 8d063cd8 |
1256 | } |
| 1257 | else { |
| 1258 | str_cat(str," $_"); |
| 1259 | } |
| 378cc40b |
1260 | str_cat(str,rparen); /* may be null */ |
| 8d063cd8 |
1261 | str_free(tmpstr); |
| 1262 | break; |
| a687059c |
1263 | case ORAND: |
| 1264 | str = str_make("rand(1)"); |
| 1265 | break; |
| 1266 | case OSRAND: |
| 1267 | str = str_make("srand("); |
| 1268 | goto maybe0; |
| 1269 | case OATAN2: |
| 1270 | str = str_make("atan2("); |
| 1271 | goto maybe0; |
| 1272 | case OSIN: |
| 1273 | str = str_make("sin("); |
| 1274 | goto maybe0; |
| 1275 | case OCOS: |
| 1276 | str = str_make("cos("); |
| 1277 | goto maybe0; |
| 1278 | case OSYSTEM: |
| 1279 | str = str_make("system("); |
| 1280 | goto maybe0; |
| 8d063cd8 |
1281 | case OLENGTH: |
| 1282 | str = str_make("length("); |
| 1283 | goto maybe0; |
| 1284 | case OLOG: |
| 1285 | str = str_make("log("); |
| 1286 | goto maybe0; |
| 1287 | case OEXP: |
| 1288 | str = str_make("exp("); |
| 1289 | goto maybe0; |
| 1290 | case OSQRT: |
| 1291 | str = str_make("sqrt("); |
| 1292 | goto maybe0; |
| 1293 | case OINT: |
| 1294 | str = str_make("int("); |
| 1295 | maybe0: |
| 1296 | numeric = 1; |
| 1297 | if (len > 0) |
| a687059c |
1298 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
1299 | else |
| 1300 | tmpstr = str_new(0);; |
| fe14fcc3 |
1301 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
| 8d063cd8 |
1302 | if (lval_field) { |
| 1303 | t = saw_OFS ? "$," : "' '"; |
| 1304 | if (split_to_array) { |
| 1305 | sprintf(tokenbuf,"join(%s,@Fld)",t); |
| 1306 | str_cat(tmpstr,tokenbuf); |
| 1307 | } |
| 1308 | else { |
| 1309 | sprintf(tokenbuf,"join(%s, ",t); |
| 1310 | str_cat(tmpstr,tokenbuf); |
| 1311 | for (i = 1; i < maxfld; i++) { |
| 1312 | if (i <= arymax) |
| 1313 | sprintf(tokenbuf,"$%s,",nameary[i]); |
| 1314 | else |
| 1315 | sprintf(tokenbuf,"$Fld%d,",i); |
| 1316 | str_cat(tmpstr,tokenbuf); |
| 1317 | } |
| 1318 | if (maxfld <= arymax) |
| 1319 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
| 1320 | else |
| 1321 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
| 1322 | str_cat(tmpstr,tokenbuf); |
| 1323 | } |
| 1324 | } |
| 1325 | else |
| 1326 | str_cat(tmpstr,"$_"); |
| 1327 | } |
| 1328 | if (strEQ(tmpstr->str_ptr,"$_")) { |
| 1329 | if (type == OLENGTH && !do_chop) { |
| 1330 | str = str_make("(length("); |
| 1331 | str_cat(tmpstr,") - 1"); |
| 1332 | } |
| 1333 | } |
| 1334 | str_scat(str,tmpstr); |
| 1335 | str_free(tmpstr); |
| 1336 | str_cat(str,")"); |
| 1337 | break; |
| 1338 | case OBREAK: |
| 1339 | str = str_new(0); |
| 1340 | str_set(str,"last"); |
| 1341 | break; |
| 1342 | case ONEXT: |
| 1343 | str = str_new(0); |
| 1344 | str_set(str,"next line"); |
| 1345 | break; |
| 1346 | case OEXIT: |
| 1347 | str = str_new(0); |
| 1348 | if (realexit) { |
| a687059c |
1349 | prec = P_UNI; |
| 8d063cd8 |
1350 | str_set(str,"exit"); |
| 1351 | if (len == 1) { |
| 1352 | str_cat(str," "); |
| 1353 | exitval = TRUE; |
| a687059c |
1354 | str_scat(str, |
| 1355 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 |
1356 | str_free(fstr); |
| 1357 | } |
| 1358 | } |
| 1359 | else { |
| 1360 | if (len == 1) { |
| 9f68db38 |
1361 | str_set(str,"$ExitValue = "); |
| 8d063cd8 |
1362 | exitval = TRUE; |
| a687059c |
1363 | str_scat(str, |
| 1364 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); |
| 8d063cd8 |
1365 | str_free(fstr); |
| 1366 | str_cat(str,"; "); |
| 1367 | } |
| 1368 | str_cat(str,"last line"); |
| 1369 | } |
| 1370 | break; |
| 1371 | case OCONTINUE: |
| 1372 | str = str_new(0); |
| 1373 | str_set(str,"next"); |
| 1374 | break; |
| 1375 | case OREDIR: |
| 1376 | goto def; |
| 1377 | case OIF: |
| 1378 | str = str_new(0); |
| 1379 | str_set(str,"if ("); |
| a687059c |
1380 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1381 | str_free(fstr); |
| 1382 | str_cat(str,") "); |
| a687059c |
1383 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1384 | str_free(fstr); |
| 1385 | if (len == 3) { |
| 1386 | i = ops[node+3].ival; |
| 1387 | if (i) { |
| 1388 | if ((ops[i].ival & 255) == OBLOCK) { |
| 1389 | i = ops[i+1].ival; |
| 1390 | if (i) { |
| 1391 | if ((ops[i].ival & 255) != OIF) |
| 1392 | i = 0; |
| 1393 | } |
| 1394 | } |
| 1395 | else |
| 1396 | i = 0; |
| 1397 | } |
| 1398 | if (i) { |
| 1399 | str_cat(str,"els"); |
| a687059c |
1400 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
| 8d063cd8 |
1401 | str_free(fstr); |
| 1402 | } |
| 1403 | else { |
| 1404 | str_cat(str,"else "); |
| a687059c |
1405 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1406 | str_free(fstr); |
| 1407 | } |
| 1408 | } |
| 1409 | break; |
| 1410 | case OWHILE: |
| 1411 | str = str_new(0); |
| 1412 | str_set(str,"while ("); |
| a687059c |
1413 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1414 | str_free(fstr); |
| 1415 | str_cat(str,") "); |
| a687059c |
1416 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1417 | str_free(fstr); |
| 1418 | break; |
| 7c0587c8 |
1419 | case ODO: |
| 1420 | str = str_new(0); |
| 1421 | str_set(str,"do "); |
| 1422 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 1423 | str_free(fstr); |
| 1424 | if (str->str_ptr[str->str_cur - 1] == '\n') |
| 1425 | --str->str_cur;; |
| 1426 | str_cat(str," while ("); |
| 1427 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 1428 | str_free(fstr); |
| 1429 | str_cat(str,");"); |
| 1430 | break; |
| 8d063cd8 |
1431 | case OFOR: |
| 1432 | str = str_new(0); |
| 1433 | str_set(str,"for ("); |
| a687059c |
1434 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1435 | i = numarg; |
| 1436 | if (i) { |
| 1437 | t = s = tmpstr->str_ptr; |
| 1438 | while (isalpha(*t) || isdigit(*t) || *t == '$' || *t == '_') |
| 1439 | t++; |
| 1440 | i = t - s; |
| 1441 | if (i < 2) |
| 1442 | i = 0; |
| 1443 | } |
| 1444 | str_cat(str,"; "); |
| a687059c |
1445 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| a0d0e21e |
1446 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
| 8d063cd8 |
1447 | if (strnEQ(fstr->str_ptr,s,i)) |
| 1448 | *t = ' '; |
| 1449 | } |
| 1450 | str_scat(str,fstr); |
| 1451 | str_free(fstr); |
| 1452 | str_free(tmpstr); |
| 1453 | str_cat(str,"; "); |
| a687059c |
1454 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1455 | str_free(fstr); |
| 1456 | str_cat(str,") "); |
| a687059c |
1457 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1458 | str_free(fstr); |
| 1459 | break; |
| 1460 | case OFORIN: |
| a687059c |
1461 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| a0d0e21e |
1462 | d = strchr(tmpstr->str_ptr,'$'); |
| a687059c |
1463 | if (!d) |
| 1464 | fatal("Illegal for loop: %s",tmpstr->str_ptr); |
| a0d0e21e |
1465 | s = strchr(d,'{'); |
| a687059c |
1466 | if (!s) |
| a0d0e21e |
1467 | s = strchr(d,'['); |
| a687059c |
1468 | if (!s) |
| 1469 | fatal("Illegal for loop: %s",d); |
| 1470 | *s++ = '\0'; |
| ffed7fef |
1471 | for (t = s; i = *t; t++) { |
| 1472 | i &= 127; |
| 1473 | if (i == '}' || i == ']') |
| 1474 | break; |
| 1475 | } |
| 1476 | if (*t) |
| a687059c |
1477 | *t = '\0'; |
| 8d063cd8 |
1478 | str = str_new(0); |
| a687059c |
1479 | str_set(str,d+1); |
| 8d063cd8 |
1480 | str_cat(str,"[]"); |
| 1481 | tmp2str = hfetch(symtab,str->str_ptr); |
| 1482 | if (tmp2str && atoi(tmp2str->str_ptr)) { |
| 8d063cd8 |
1483 | sprintf(tokenbuf, |
| 62b28dd9 |
1484 | "foreach %s ($[ .. $#%s) ", |
| a687059c |
1485 | s, |
| 1486 | d+1); |
| 8d063cd8 |
1487 | } |
| 1488 | else { |
| a687059c |
1489 | sprintf(tokenbuf, |
| 1490 | "foreach %s (keys %%%s) ", |
| 1491 | s, |
| 1492 | d+1); |
| 8d063cd8 |
1493 | } |
| a687059c |
1494 | str_set(str,tokenbuf); |
| 1495 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 1496 | str_free(fstr); |
| 8d063cd8 |
1497 | str_free(tmpstr); |
| 1498 | break; |
| 1499 | case OBLOCK: |
| 1500 | str = str_new(0); |
| 1501 | str_set(str,"{"); |
| 378cc40b |
1502 | if (len >= 2 && ops[node+2].ival) { |
| a687059c |
1503 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1504 | str_free(fstr); |
| 1505 | } |
| 1506 | fixtab(str,++level); |
| a687059c |
1507 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1508 | str_free(fstr); |
| 1509 | addsemi(str); |
| 1510 | fixtab(str,--level); |
| 1511 | str_cat(str,"}\n"); |
| 1512 | tab(str,level); |
| 378cc40b |
1513 | if (len >= 3) { |
| a687059c |
1514 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 378cc40b |
1515 | str_free(fstr); |
| 1516 | } |
| 8d063cd8 |
1517 | break; |
| 1518 | default: |
| 1519 | def: |
| 1520 | if (len) { |
| 1521 | if (len > 5) |
| 1522 | fatal("Garbage length in walk"); |
| a687059c |
1523 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
1524 | for (i = 2; i<= len; i++) { |
| a687059c |
1525 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
| 8d063cd8 |
1526 | str_free(fstr); |
| 1527 | } |
| 1528 | } |
| 1529 | else { |
| 1530 | str = Nullstr; |
| 1531 | } |
| 1532 | break; |
| 1533 | } |
| 1534 | if (!str) |
| 1535 | str = str_new(0); |
| a687059c |
1536 | |
| 1537 | if (useval && prec < minprec) { /* need parens? */ |
| 1538 | fstr = str_new(str->str_cur+2); |
| 1539 | str_nset(fstr,"(",1); |
| 1540 | str_scat(fstr,str); |
| 1541 | str_ncat(fstr,")",1); |
| 1542 | str_free(str); |
| 1543 | str = fstr; |
| 1544 | } |
| 1545 | |
| 8d063cd8 |
1546 | *numericptr = numeric; |
| 1547 | #ifdef DEBUGGING |
| 1548 | if (debug & 4) { |
| 1549 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); |
| 1550 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) |
| 1551 | if (*t == '\n') |
| 1552 | printf("\\n"); |
| 1553 | else if (*t == '\t') |
| 1554 | printf("\\t"); |
| 1555 | else |
| 1556 | putchar(*t); |
| 1557 | putchar('\n'); |
| 1558 | } |
| 1559 | #endif |
| 1560 | return str; |
| 1561 | } |
| 1562 | |
| 748a9306 |
1563 | static void |
| 8d063cd8 |
1564 | tab(str,lvl) |
| 1565 | register STR *str; |
| 1566 | register int lvl; |
| 1567 | { |
| 1568 | while (lvl > 1) { |
| 1569 | str_cat(str,"\t"); |
| 1570 | lvl -= 2; |
| 1571 | } |
| 1572 | if (lvl) |
| 1573 | str_cat(str," "); |
| 1574 | } |
| 1575 | |
| 748a9306 |
1576 | static void |
| 8d063cd8 |
1577 | fixtab(str,lvl) |
| 1578 | register STR *str; |
| 1579 | register int lvl; |
| 1580 | { |
| 1581 | register char *s; |
| 1582 | |
| 1583 | /* strip trailing white space */ |
| 1584 | |
| 1585 | s = str->str_ptr+str->str_cur - 1; |
| a687059c |
1586 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
| 8d063cd8 |
1587 | s--; |
| 1588 | s[1] = '\0'; |
| 1589 | str->str_cur = s + 1 - str->str_ptr; |
| 1590 | if (s >= str->str_ptr && *s != '\n') |
| 1591 | str_cat(str,"\n"); |
| 1592 | |
| 1593 | tab(str,lvl); |
| 1594 | } |
| 1595 | |
| 748a9306 |
1596 | static void |
| 8d063cd8 |
1597 | addsemi(str) |
| 1598 | register STR *str; |
| 1599 | { |
| 1600 | register char *s; |
| 1601 | |
| 1602 | s = str->str_ptr+str->str_cur - 1; |
| 1603 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
| 1604 | s--; |
| 1605 | if (s >= str->str_ptr && *s != ';' && *s != '}') |
| 1606 | str_cat(str,";"); |
| 1607 | } |
| 1608 | |
| 9c8d0b29 |
1609 | void |
| 8d063cd8 |
1610 | emit_split(str,level) |
| 1611 | register STR *str; |
| 1612 | int level; |
| 1613 | { |
| 1614 | register int i; |
| 1615 | |
| 1616 | if (split_to_array) |
| 1617 | str_cat(str,"@Fld"); |
| 1618 | else { |
| 1619 | str_cat(str,"("); |
| 1620 | for (i = 1; i < maxfld; i++) { |
| 1621 | if (i <= arymax) |
| 1622 | sprintf(tokenbuf,"$%s,",nameary[i]); |
| 1623 | else |
| 1624 | sprintf(tokenbuf,"$Fld%d,",i); |
| 1625 | str_cat(str,tokenbuf); |
| 1626 | } |
| 1627 | if (maxfld <= arymax) |
| 1628 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); |
| 1629 | else |
| 1630 | sprintf(tokenbuf,"$Fld%d)",maxfld); |
| 1631 | str_cat(str,tokenbuf); |
| 1632 | } |
| 1633 | if (const_FS) { |
| 62b28dd9 |
1634 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
| 8d063cd8 |
1635 | str_cat(str,tokenbuf); |
| 1636 | } |
| 1637 | else if (saw_FS) |
| 62b28dd9 |
1638 | str_cat(str," = split($FS, $_, 9999);\n"); |
| 8d063cd8 |
1639 | else |
| 62b28dd9 |
1640 | str_cat(str," = split(' ', $_, 9999);\n"); |
| 8d063cd8 |
1641 | tab(str,level); |
| 1642 | } |
| 1643 | |
| 9c8d0b29 |
1644 | int |
| 8d063cd8 |
1645 | prewalk(numit,level,node,numericptr) |
| 1646 | int numit; |
| 1647 | int level; |
| 1648 | register int node; |
| 1649 | int *numericptr; |
| 1650 | { |
| 1651 | register int len; |
| 1652 | register int type; |
| 1653 | register int i; |
| 8d063cd8 |
1654 | int numarg; |
| 1655 | int numeric = FALSE; |
| a687059c |
1656 | STR *tmpstr; |
| 1657 | STR *tmp2str; |
| 8d063cd8 |
1658 | |
| 1659 | if (!node) { |
| 1660 | *numericptr = 0; |
| 1661 | return 0; |
| 1662 | } |
| 1663 | type = ops[node].ival; |
| 1664 | len = type >> 8; |
| 1665 | type &= 255; |
| 1666 | switch (type) { |
| 1667 | case OPROG: |
| 1668 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1669 | if (ops[node+2].ival) { |
| 1670 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1671 | } |
| 1672 | ++level; |
| 1673 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 1674 | --level; |
| 1675 | if (ops[node+3].ival) { |
| 1676 | prewalk(0,level,ops[node+4].ival,&numarg); |
| 1677 | } |
| 1678 | break; |
| 1679 | case OHUNKS: |
| 1680 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1681 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1682 | if (len == 3) { |
| 1683 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 1684 | } |
| 1685 | break; |
| 1686 | case ORANGE: |
| 1687 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1688 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1689 | break; |
| 1690 | case OPAT: |
| 1691 | goto def; |
| 1692 | case OREGEX: |
| 1693 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1694 | break; |
| 1695 | case OHUNK: |
| 1696 | if (len == 1) { |
| 1697 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1698 | } |
| 1699 | else { |
| 1700 | i = prewalk(0,level,ops[node+1].ival,&numarg); |
| 1701 | if (i) { |
| 1702 | ++level; |
| 1703 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1704 | --level; |
| 1705 | } |
| 1706 | else { |
| 1707 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1708 | } |
| 1709 | } |
| 1710 | break; |
| 1711 | case OPPAREN: |
| 1712 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1713 | break; |
| 1714 | case OPANDAND: |
| 1715 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1716 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1717 | break; |
| 1718 | case OPOROR: |
| 1719 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1720 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1721 | break; |
| 1722 | case OPNOT: |
| 1723 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1724 | break; |
| 1725 | case OCPAREN: |
| 1726 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1727 | numeric |= numarg; |
| 1728 | break; |
| 1729 | case OCANDAND: |
| 1730 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1731 | numeric = 1; |
| 1732 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1733 | break; |
| 1734 | case OCOROR: |
| 1735 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1736 | numeric = 1; |
| 1737 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1738 | break; |
| 1739 | case OCNOT: |
| 1740 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1741 | numeric = 1; |
| 1742 | break; |
| 1743 | case ORELOP: |
| 1744 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1745 | numeric |= numarg; |
| 1746 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1747 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 1748 | numeric |= numarg; |
| 1749 | numeric = 1; |
| 1750 | break; |
| 1751 | case ORPAREN: |
| 1752 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1753 | numeric |= numarg; |
| 1754 | break; |
| 1755 | case OMATCHOP: |
| 1756 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1757 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1758 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 1759 | numeric = 1; |
| 1760 | break; |
| 1761 | case OMPAREN: |
| 1762 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1763 | numeric |= numarg; |
| 1764 | break; |
| 1765 | case OCONCAT: |
| 1766 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1767 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1768 | break; |
| 1769 | case OASSIGN: |
| 1770 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1771 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1772 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 75f92628 |
1773 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
| 8d063cd8 |
1774 | numericize(ops[node+2].ival); |
| 1775 | if (!numarg) |
| 1776 | numericize(ops[node+3].ival); |
| 1777 | } |
| 1778 | numeric |= numarg; |
| 1779 | break; |
| 1780 | case OADD: |
| 1781 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1782 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1783 | numeric = 1; |
| 1784 | break; |
| a687059c |
1785 | case OSUBTRACT: |
| 8d063cd8 |
1786 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1787 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1788 | numeric = 1; |
| 1789 | break; |
| 1790 | case OMULT: |
| 1791 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1792 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1793 | numeric = 1; |
| 1794 | break; |
| 1795 | case ODIV: |
| 1796 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1797 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1798 | numeric = 1; |
| 1799 | break; |
| a687059c |
1800 | case OPOW: |
| 1801 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1802 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1803 | numeric = 1; |
| 1804 | break; |
| 8d063cd8 |
1805 | case OMOD: |
| 1806 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1807 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1808 | numeric = 1; |
| 1809 | break; |
| 1810 | case OPOSTINCR: |
| 1811 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1812 | numeric = 1; |
| 1813 | break; |
| 1814 | case OPOSTDECR: |
| 1815 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1816 | numeric = 1; |
| 1817 | break; |
| 1818 | case OPREINCR: |
| 1819 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1820 | numeric = 1; |
| 1821 | break; |
| 1822 | case OPREDECR: |
| 1823 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1824 | numeric = 1; |
| 1825 | break; |
| 1826 | case OUMINUS: |
| 1827 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1828 | numeric = 1; |
| 1829 | break; |
| 1830 | case OUPLUS: |
| 1831 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1832 | numeric = 1; |
| 1833 | break; |
| 1834 | case OPAREN: |
| 1835 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1836 | numeric |= numarg; |
| 1837 | break; |
| 1838 | case OGETLINE: |
| 1839 | break; |
| 1840 | case OSPRINTF: |
| 1841 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1842 | break; |
| 1843 | case OSUBSTR: |
| 1844 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1845 | prewalk(1,level,ops[node+2].ival,&numarg); |
| 1846 | if (len == 3) { |
| 1847 | prewalk(1,level,ops[node+3].ival,&numarg); |
| 1848 | } |
| 1849 | break; |
| 1850 | case OSTRING: |
| 1851 | break; |
| 1852 | case OSPLIT: |
| 1853 | numeric = 1; |
| 1854 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1855 | if (len == 3) |
| 1856 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 1857 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1858 | break; |
| 1859 | case OINDEX: |
| 1860 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1861 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1862 | numeric = 1; |
| 1863 | break; |
| a687059c |
1864 | case OMATCH: |
| 1865 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1866 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1867 | numeric = 1; |
| 1868 | break; |
| 1869 | case OUSERDEF: |
| 1870 | subretnum = FALSE; |
| 1871 | --level; |
| 1872 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 1873 | ++level; |
| 1874 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1875 | prewalk(0,level,ops[node+4].ival,&numarg); |
| 1876 | prewalk(0,level,ops[node+5].ival,&numarg); |
| 1877 | --level; |
| 1878 | str_cat(tmpstr,"("); |
| 1879 | tmp2str = str_new(0); |
| 1880 | if (subretnum || numarg) |
| 1881 | str_set(tmp2str,"1"); |
| 1882 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
| 1883 | str_free(tmpstr); |
| 1884 | level++; |
| 1885 | break; |
| 1886 | case ORETURN: |
| 1887 | if (len > 0) { |
| 1888 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1889 | if (numarg) |
| 1890 | subretnum = TRUE; |
| 1891 | } |
| 1892 | break; |
| 1893 | case OUSERFUN: |
| 1894 | tmp2str = str_new(0); |
| 1895 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 663a0e37 |
1896 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
| a687059c |
1897 | str_free(tmpstr); |
| 1898 | str_cat(tmp2str,"("); |
| 1899 | tmpstr = hfetch(symtab,tmp2str->str_ptr); |
| 1900 | if (tmpstr && tmpstr->str_ptr) |
| 1901 | numeric |= atoi(tmpstr->str_ptr); |
| 1902 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1903 | str_free(tmp2str); |
| 1904 | break; |
| 1905 | case OGSUB: |
| 1906 | case OSUB: |
| 1907 | if (len >= 3) |
| 1908 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 1909 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); |
| 1910 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1911 | numeric = 1; |
| 1912 | break; |
| 8d063cd8 |
1913 | case ONUM: |
| 1914 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1915 | numeric = 1; |
| 1916 | break; |
| 1917 | case OSTR: |
| 1918 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1919 | break; |
| a687059c |
1920 | case ODEFINED: |
| 1921 | case ODELETE: |
| 1922 | case OSTAR: |
| 8d063cd8 |
1923 | case OVAR: |
| 1924 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1925 | if (len == 1) { |
| 1926 | if (numit) |
| 1927 | numericize(node); |
| 1928 | } |
| 1929 | else { |
| 1930 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1931 | } |
| 1932 | break; |
| 1933 | case OFLD: |
| 1934 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1935 | break; |
| 1936 | case OVFLD: |
| 1937 | i = ops[node+1].ival; |
| 1938 | prewalk(0,level,i,&numarg); |
| 1939 | break; |
| 1940 | case OJUNK: |
| 1941 | goto def; |
| 1942 | case OSNEWLINE: |
| 1943 | break; |
| 1944 | case ONEWLINE: |
| 1945 | break; |
| 1946 | case OSCOMMENT: |
| 1947 | break; |
| 1948 | case OCOMMENT: |
| 1949 | break; |
| 1950 | case OCOMMA: |
| 1951 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1952 | prewalk(0,level,ops[node+2].ival,&numarg); |
| a687059c |
1953 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 8d063cd8 |
1954 | break; |
| 1955 | case OSEMICOLON: |
| 1956 | break; |
| 1957 | case OSTATES: |
| 1958 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1959 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1960 | break; |
| 1961 | case OSTATE: |
| 1962 | if (len >= 1) { |
| 1963 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1964 | if (len >= 2) { |
| 1965 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1966 | } |
| 1967 | } |
| 1968 | break; |
| a687059c |
1969 | case OCLOSE: |
| 1970 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 1971 | break; |
| 8d063cd8 |
1972 | case OPRINTF: |
| 1973 | case OPRINT: |
| 1974 | if (len == 3) { /* output redirection */ |
| 1975 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 1976 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 1977 | } |
| 1978 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); |
| 1979 | break; |
| a687059c |
1980 | case ORAND: |
| 1981 | break; |
| 1982 | case OSRAND: |
| 1983 | goto maybe0; |
| 1984 | case OATAN2: |
| 1985 | goto maybe0; |
| 1986 | case OSIN: |
| 1987 | goto maybe0; |
| 1988 | case OCOS: |
| 1989 | goto maybe0; |
| 1990 | case OSYSTEM: |
| 1991 | goto maybe0; |
| 8d063cd8 |
1992 | case OLENGTH: |
| 1993 | goto maybe0; |
| 1994 | case OLOG: |
| 1995 | goto maybe0; |
| 1996 | case OEXP: |
| 1997 | goto maybe0; |
| 1998 | case OSQRT: |
| 1999 | goto maybe0; |
| 2000 | case OINT: |
| 2001 | maybe0: |
| 2002 | numeric = 1; |
| 2003 | if (len > 0) |
| a687059c |
2004 | prewalk(type != OLENGTH && type != OSYSTEM, |
| 2005 | level,ops[node+1].ival,&numarg); |
| 8d063cd8 |
2006 | break; |
| 2007 | case OBREAK: |
| 2008 | break; |
| 2009 | case ONEXT: |
| 2010 | break; |
| 2011 | case OEXIT: |
| 2012 | if (len == 1) { |
| 2013 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 2014 | } |
| 2015 | break; |
| 2016 | case OCONTINUE: |
| 2017 | break; |
| 2018 | case OREDIR: |
| 2019 | goto def; |
| 2020 | case OIF: |
| 2021 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 2022 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 2023 | if (len == 3) { |
| 2024 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 2025 | } |
| 2026 | break; |
| 2027 | case OWHILE: |
| 2028 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 2029 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 2030 | break; |
| 2031 | case OFOR: |
| 2032 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 2033 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 2034 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 2035 | prewalk(0,level,ops[node+4].ival,&numarg); |
| 2036 | break; |
| 2037 | case OFORIN: |
| 2038 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 2039 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 8d063cd8 |
2040 | break; |
| 2041 | case OBLOCK: |
| 2042 | if (len == 2) { |
| 2043 | prewalk(0,level,ops[node+2].ival,&numarg); |
| 2044 | } |
| 2045 | ++level; |
| 2046 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 2047 | --level; |
| 2048 | break; |
| 2049 | default: |
| 2050 | def: |
| 2051 | if (len) { |
| 2052 | if (len > 5) |
| 2053 | fatal("Garbage length in prewalk"); |
| 2054 | prewalk(0,level,ops[node+1].ival,&numarg); |
| 2055 | for (i = 2; i<= len; i++) { |
| 2056 | prewalk(0,level,ops[node+i].ival,&numarg); |
| 2057 | } |
| 2058 | } |
| 2059 | break; |
| 2060 | } |
| 2061 | *numericptr = numeric; |
| 2062 | return 1; |
| 2063 | } |
| 2064 | |
| 748a9306 |
2065 | static void |
| 8d063cd8 |
2066 | numericize(node) |
| 2067 | register int node; |
| 2068 | { |
| 2069 | register int len; |
| 2070 | register int type; |
| 8d063cd8 |
2071 | STR *tmpstr; |
| 2072 | STR *tmp2str; |
| 2073 | int numarg; |
| 2074 | |
| 2075 | type = ops[node].ival; |
| 2076 | len = type >> 8; |
| 2077 | type &= 255; |
| 2078 | if (type == OVAR && len == 1) { |
| a687059c |
2079 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 |
2080 | tmp2str = str_make("1"); |
| 2081 | hstore(symtab,tmpstr->str_ptr,tmp2str); |
| 2082 | } |
| 2083 | } |
projects / p5sagit/p5-mst-13.2.git / blame