https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| 79072805 | 1 | /* $RCSfile: walk.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:31 $ |
| a687059c | 2 | * |
| 9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
| a687059c | 4 | * |
| d48672a2 LW |
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 LW |
7 | * |
| 8 | * $Log: walk.c,v $ | |
| 8d063cd8 LW |
9 | */ |
| 10 | ||
| 8d063cd8 | 11 | #include "EXTERN.h" |
| 8d063cd8 | 12 | #include "a2p.h" |
| 9c8d0b29 | 13 | #include "util.h" |
| 8d063cd8 LW |
14 | |
| 15 | bool exitval = FALSE; | |
| 16 | bool realexit = FALSE; | |
| 378cc40b | 17 | bool saw_getline = FALSE; |
| a687059c LW |
18 | bool subretnum = FALSE; |
| 19 | bool saw_FNR = FALSE; | |
| 20 | bool saw_argv0 = FALSE; | |
| d48672a2 | 21 | bool saw_fh = FALSE; |
| 8d063cd8 | 22 | int maxtmp = 0; |
| 378cc40b LW |
23 | char *lparen; |
| 24 | char *rparen; | |
| 55204971 | 25 | char *limit; |
| a687059c LW |
26 | STR *subs; |
| 27 | STR *curargs = Nullstr; | |
| 8d063cd8 | 28 | |
| 20ce7b12 GS |
29 | static void addsemi ( STR *str ); |
| 30 | static void emit_split ( STR *str, int level ); | |
| 31 | static void fixtab ( STR *str, int lvl ); | |
| 32 | static void numericize ( int node ); | |
| 33 | static void tab ( STR *str, int lvl ); | |
| 56febc5e | 34 | |
| 20ce7b12 GS |
35 | int prewalk ( int numit, int level, int node, int *numericptr ); |
| 36 | STR * walk ( int useval, int level, int node, int *numericptr, int minprec ); | |
| 9c8d0b29 AD |
37 | |
| 38 | ||
| 8d063cd8 | 39 | STR * |
| f0f333f4 NIS |
40 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
| 41 | ||
| 42 | ||
| 43 | ||
| 44 | ||
| 45 | /* minimum precedence without parens */ | |
| 8d063cd8 LW |
46 | { |
| 47 | register int len; | |
| 48 | register STR *str; | |
| 49 | register int type; | |
| 50 | register int i; | |
| 51 | register STR *tmpstr; | |
| 52 | STR *tmp2str; | |
| a687059c | 53 | STR *tmp3str; |
| 8d063cd8 LW |
54 | char *t; |
| 55 | char *d, *s; | |
| 56 | int numarg; | |
| 57 | int numeric = FALSE; | |
| 58 | STR *fstr; | |
| a687059c | 59 | int prec = P_MAX; /* assume no parens needed */ |
| 8d063cd8 LW |
60 | |
| 61 | if (!node) { | |
| 62 | *numericptr = 0; | |
| 63 | return str_make(""); | |
| 64 | } | |
| 65 | type = ops[node].ival; | |
| 66 | len = type >> 8; | |
| 67 | type &= 255; | |
| 68 | switch (type) { | |
| 69 | case OPROG: | |
| d48672a2 LW |
70 | arymax = 0; |
| 71 | if (namelist) { | |
| 72 | while (isalpha(*namelist)) { | |
| 73 | for (d = tokenbuf,s=namelist; | |
| 74 | isalpha(*s) || isdigit(*s) || *s == '_'; | |
| 75 | *d++ = *s++) ; | |
| 76 | *d = '\0'; | |
| 77 | while (*s && !isalpha(*s)) s++; | |
| 78 | namelist = s; | |
| 79 | nameary[++arymax] = savestr(tokenbuf); | |
| 80 | } | |
| 81 | } | |
| 82 | if (maxfld < arymax) | |
| 83 | maxfld = arymax; | |
| 8d063cd8 | 84 | opens = str_new(0); |
| a687059c LW |
85 | subs = str_new(0); |
| 86 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
87 | if (do_split && need_entire && !absmaxfld) |
| 88 | split_to_array = TRUE; | |
| 89 | if (do_split && split_to_array) | |
| 90 | set_array_base = TRUE; | |
| 91 | if (set_array_base) { | |
| 92 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); | |
| 93 | } | |
| 94 | if (fswitch && !const_FS) | |
| 95 | const_FS = fswitch; | |
| 96 | if (saw_FS > 1 || saw_RS) | |
| 97 | const_FS = 0; | |
| 98 | if (saw_ORS && need_entire) | |
| 99 | do_chop = TRUE; | |
| 100 | if (fswitch) { | |
| 101 | str_cat(str,"$FS = '"); | |
| a0d0e21e | 102 | if (strchr("*+?.[]()|^$\\",fswitch)) |
| 8d063cd8 LW |
103 | str_cat(str,"\\"); |
| 104 | sprintf(tokenbuf,"%c",fswitch); | |
| 105 | str_cat(str,tokenbuf); | |
| 106 | str_cat(str,"';\t\t# field separator from -F switch\n"); | |
| 107 | } | |
| 108 | else if (saw_FS && !const_FS) { | |
| 9bb9d9f7 | 109 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
| 8d063cd8 LW |
110 | } |
| 111 | if (saw_OFS) { | |
| a559c259 | 112 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
| 8d063cd8 LW |
113 | } |
| 114 | if (saw_ORS) { | |
| a559c259 | 115 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
| 8d063cd8 | 116 | } |
| a687059c LW |
117 | if (saw_argv0) { |
| 118 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); | |
| 119 | } | |
| 8d063cd8 LW |
120 | if (str->str_cur > 20) |
| 121 | str_cat(str,"\n"); | |
| 122 | if (ops[node+2].ival) { | |
| a687059c | 123 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
124 | str_free(fstr); |
| 125 | str_cat(str,"\n\n"); | |
| 126 | } | |
| a687059c LW |
127 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
| 128 | if (*fstr->str_ptr) { | |
| 129 | if (saw_line_op) | |
| 130 | str_cat(str,"line: "); | |
| 131 | str_cat(str,"while (<>) {\n"); | |
| 132 | tab(str,++level); | |
| 133 | if (saw_FS && !const_FS) | |
| 134 | do_chop = TRUE; | |
| 135 | if (do_chop) { | |
| 7bdaec8a | 136 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c | 137 | tab(str,level); |
| 8d063cd8 | 138 | } |
| a687059c LW |
139 | if (do_split) |
| 140 | emit_split(str,level); | |
| 141 | str_scat(str,fstr); | |
| 142 | str_free(fstr); | |
| 143 | fixtab(str,--level); | |
| 144 | str_cat(str,"}\n"); | |
| 145 | if (saw_FNR) | |
| 146 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); | |
| 8d063cd8 | 147 | } |
| a5571d59 | 148 | else if (old_awk) |
| ae986130 | 149 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
| 8d063cd8 LW |
150 | if (ops[node+4].ival) { |
| 151 | realexit = TRUE; | |
| 152 | str_cat(str,"\n"); | |
| 153 | tab(str,level); | |
| a687059c | 154 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
155 | str_free(fstr); |
| 156 | str_cat(str,"\n"); | |
| 157 | } | |
| 158 | if (exitval) | |
| 9f68db38 | 159 | str_cat(str,"exit $ExitValue;\n"); |
| a687059c LW |
160 | if (subs->str_ptr) { |
| 161 | str_cat(str,"\n"); | |
| 162 | str_scat(str,subs); | |
| 163 | } | |
| 378cc40b | 164 | if (saw_getline) { |
| a687059c LW |
165 | for (len = 0; len < 4; len++) { |
| 166 | if (saw_getline & (1 << len)) { | |
| 167 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); | |
| 168 | str_cat(str, tokenbuf); | |
| 169 | if (len & 2) { | |
| 170 | if (do_fancy_opens) | |
| 171 | str_cat(str," &Pick('',@_);\n"); | |
| 172 | else | |
| 173 | str_cat(str," ($fh) = @_;\n"); | |
| 174 | } | |
| 175 | else { | |
| 176 | if (saw_FNR) | |
| 177 | str_cat(str," $FNRbase = $. if eof;\n"); | |
| 178 | } | |
| 179 | if (len & 1) | |
| 62b28dd9 | 180 | str_cat(str," local($_);\n"); |
| a687059c LW |
181 | if (len & 2) |
| 182 | str_cat(str, | |
| 183 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); | |
| 184 | else | |
| 185 | str_cat(str, | |
| 186 | " if ($getline_ok = (($_ = <>) ne ''))"); | |
| 187 | str_cat(str, " {\n"); | |
| 188 | level += 2; | |
| 189 | tab(str,level); | |
| 190 | i = 0; | |
| 191 | if (do_chop) { | |
| 192 | i++; | |
| 7bdaec8a | 193 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c LW |
194 | tab(str,level); |
| 195 | } | |
| 196 | if (do_split && !(len & 1)) { | |
| 197 | i++; | |
| 198 | emit_split(str,level); | |
| 199 | } | |
| 200 | if (!i) | |
| 201 | str_cat(str,";\n"); | |
| 202 | fixtab(str,--level); | |
| 203 | str_cat(str,"}\n $_;\n}\n"); | |
| 204 | --level; | |
| 205 | } | |
| 378cc40b | 206 | } |
| 378cc40b | 207 | } |
| 8d063cd8 LW |
208 | if (do_fancy_opens) { |
| 209 | str_cat(str,"\n\ | |
| 210 | sub Pick {\n\ | |
| a687059c | 211 | local($mode,$name,$pipe) = @_;\n\ |
| 7c0587c8 LW |
212 | $fh = $name;\n\ |
| 213 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ | |
| 8d063cd8 LW |
214 | }\n\ |
| 215 | "); | |
| 216 | } | |
| 217 | break; | |
| 218 | case OHUNKS: | |
| a687059c LW |
219 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 220 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
221 | str_free(fstr); |
| 222 | if (len == 3) { | |
| a687059c | 223 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
224 | str_free(fstr); |
| 225 | } | |
| 226 | else { | |
| 227 | } | |
| 228 | break; | |
| 229 | case ORANGE: | |
| a687059c LW |
230 | prec = P_DOTDOT; |
| 231 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 | 232 | str_cat(str," .. "); |
| a687059c | 233 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
234 | str_free(fstr); |
| 235 | break; | |
| 236 | case OPAT: | |
| 237 | goto def; | |
| 238 | case OREGEX: | |
| 239 | str = str_new(0); | |
| 240 | str_set(str,"/"); | |
| a687059c | 241 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
242 | /* translate \nnn to [\nnn] */ |
| 243 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { | |
| a687059c | 244 | if (*s == '\\' && isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])){ |
| 8d063cd8 LW |
245 | *d++ = '['; |
| 246 | *d++ = *s++; | |
| 247 | *d++ = *s++; | |
| 248 | *d++ = *s++; | |
| 249 | *d++ = *s; | |
| 250 | *d = ']'; | |
| 251 | } | |
| 252 | else | |
| 253 | *d = *s; | |
| 254 | } | |
| 255 | *d = '\0'; | |
| 378cc40b LW |
256 | for (d=tokenbuf; *d; d++) |
| 257 | *d += 128; | |
| 8d063cd8 LW |
258 | str_cat(str,tokenbuf); |
| 259 | str_free(tmpstr); | |
| 260 | str_cat(str,"/"); | |
| 261 | break; | |
| 262 | case OHUNK: | |
| 263 | if (len == 1) { | |
| 264 | str = str_new(0); | |
| a687059c | 265 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
| 8d063cd8 | 266 | str_cat(str," if "); |
| a687059c | 267 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
268 | str_free(fstr); |
| 269 | str_cat(str,";"); | |
| 270 | } | |
| 271 | else { | |
| a687059c | 272 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
273 | if (*tmpstr->str_ptr) { |
| 274 | str = str_new(0); | |
| 275 | str_set(str,"if ("); | |
| 276 | str_scat(str,tmpstr); | |
| 277 | str_cat(str,") {\n"); | |
| 278 | tab(str,++level); | |
| a687059c | 279 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
280 | str_free(fstr); |
| 281 | fixtab(str,--level); | |
| 282 | str_cat(str,"}\n"); | |
| 283 | tab(str,level); | |
| 284 | } | |
| 285 | else { | |
| a687059c | 286 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
287 | } |
| 288 | } | |
| 289 | break; | |
| 290 | case OPPAREN: | |
| 291 | str = str_new(0); | |
| 292 | str_set(str,"("); | |
| a687059c | 293 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
294 | str_free(fstr); |
| 295 | str_cat(str,")"); | |
| 296 | break; | |
| 297 | case OPANDAND: | |
| a687059c LW |
298 | prec = P_ANDAND; |
| 299 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 300 | str_cat(str," && "); |
| a687059c LW |
301 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 302 | str_free(fstr); | |
| 303 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
304 | str_free(fstr); |
| 305 | break; | |
| 306 | case OPOROR: | |
| a687059c LW |
307 | prec = P_OROR; |
| 308 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 309 | str_cat(str," || "); |
| a687059c LW |
310 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 311 | str_free(fstr); | |
| 312 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
313 | str_free(fstr); |
| 314 | break; | |
| 315 | case OPNOT: | |
| a687059c | 316 | prec = P_UNARY; |
| 8d063cd8 LW |
317 | str = str_new(0); |
| 318 | str_set(str,"!"); | |
| a687059c | 319 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
320 | str_free(fstr); |
| 321 | break; | |
| 62b28dd9 LW |
322 | case OCOND: |
| 323 | prec = P_COND; | |
| 324 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 325 | str_cat(str," ? "); | |
| 326 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); | |
| 327 | str_free(fstr); | |
| 328 | str_cat(str," : "); | |
| 329 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 330 | str_free(fstr); | |
| 331 | break; | |
| 8d063cd8 LW |
332 | case OCPAREN: |
| 333 | str = str_new(0); | |
| 334 | str_set(str,"("); | |
| a687059c | 335 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
336 | str_free(fstr); |
| 337 | numeric |= numarg; | |
| 338 | str_cat(str,")"); | |
| 339 | break; | |
| 340 | case OCANDAND: | |
| a687059c LW |
341 | prec = P_ANDAND; |
| 342 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
343 | numeric = 1; |
| 344 | str_cat(str," && "); | |
| a687059c LW |
345 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 346 | str_free(fstr); | |
| 347 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
348 | str_free(fstr); |
| 349 | break; | |
| 350 | case OCOROR: | |
| a687059c LW |
351 | prec = P_OROR; |
| 352 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
353 | numeric = 1; |
| 354 | str_cat(str," || "); | |
| a687059c LW |
355 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 356 | str_free(fstr); | |
| 357 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
358 | str_free(fstr); |
| 359 | break; | |
| 360 | case OCNOT: | |
| a687059c | 361 | prec = P_UNARY; |
| 8d063cd8 LW |
362 | str = str_new(0); |
| 363 | str_set(str,"!"); | |
| a687059c | 364 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
365 | str_free(fstr); |
| 366 | numeric = 1; | |
| 367 | break; | |
| 368 | case ORELOP: | |
| a687059c LW |
369 | prec = P_REL; |
| 370 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 371 | numeric |= numarg; |
| a687059c LW |
372 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 373 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); | |
| 8d063cd8 | 374 | numeric |= numarg; |
| a687059c LW |
375 | if (!numeric || |
| 376 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { | |
| 8d063cd8 LW |
377 | t = tmpstr->str_ptr; |
| 378 | if (strEQ(t,"==")) | |
| 379 | str_set(tmpstr,"eq"); | |
| 380 | else if (strEQ(t,"!=")) | |
| 381 | str_set(tmpstr,"ne"); | |
| 382 | else if (strEQ(t,"<")) | |
| 383 | str_set(tmpstr,"lt"); | |
| 384 | else if (strEQ(t,"<=")) | |
| 385 | str_set(tmpstr,"le"); | |
| 386 | else if (strEQ(t,">")) | |
| 387 | str_set(tmpstr,"gt"); | |
| 388 | else if (strEQ(t,">=")) | |
| 389 | str_set(tmpstr,"ge"); | |
| a0d0e21e LW |
390 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
| 391 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) | |
| 8d063cd8 LW |
392 | numeric |= 2; |
| 393 | } | |
| 394 | if (numeric & 2) { | |
| 395 | if (numeric & 1) /* numeric is very good guess */ | |
| 396 | str_cat(str," "); | |
| 397 | else | |
| 398 | str_cat(str,"\377"); | |
| 399 | numeric = 1; | |
| 400 | } | |
| 401 | else | |
| 402 | str_cat(str," "); | |
| 403 | str_scat(str,tmpstr); | |
| 404 | str_free(tmpstr); | |
| 405 | str_cat(str," "); | |
| 406 | str_scat(str,tmp2str); | |
| 407 | str_free(tmp2str); | |
| 408 | numeric = 1; | |
| 409 | break; | |
| 410 | case ORPAREN: | |
| 411 | str = str_new(0); | |
| 412 | str_set(str,"("); | |
| a687059c | 413 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
414 | str_free(fstr); |
| 415 | numeric |= numarg; | |
| 416 | str_cat(str,")"); | |
| 417 | break; | |
| 418 | case OMATCHOP: | |
| a687059c LW |
419 | prec = P_MATCH; |
| 420 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 421 | str_cat(str," "); |
| a687059c | 422 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
423 | if (strEQ(tmpstr->str_ptr,"~")) |
| 424 | str_cat(str,"=~"); | |
| 425 | else { | |
| 426 | str_scat(str,tmpstr); | |
| 427 | str_free(tmpstr); | |
| 428 | } | |
| 429 | str_cat(str," "); | |
| a687059c | 430 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
431 | str_free(fstr); |
| 432 | numeric = 1; | |
| 433 | break; | |
| 434 | case OMPAREN: | |
| 435 | str = str_new(0); | |
| 436 | str_set(str,"("); | |
| a687059c LW |
437 | str_scat(str, |
| 438 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
439 | str_free(fstr); |
| 440 | numeric |= numarg; | |
| 441 | str_cat(str,")"); | |
| 442 | break; | |
| 443 | case OCONCAT: | |
| a687059c LW |
444 | prec = P_ADD; |
| 445 | type = ops[ops[node+1].ival].ival & 255; | |
| 446 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); | |
| 8d063cd8 | 447 | str_cat(str," . "); |
| a687059c LW |
448 | type = ops[ops[node+2].ival].ival & 255; |
| 449 | str_scat(str, | |
| 450 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); | |
| 8d063cd8 LW |
451 | str_free(fstr); |
| 452 | break; | |
| 453 | case OASSIGN: | |
| a687059c LW |
454 | prec = P_ASSIGN; |
| 455 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 456 | str_cat(str," "); |
| a687059c | 457 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
458 | str_scat(str,tmpstr); |
| 459 | if (str_len(tmpstr) > 1) | |
| 460 | numeric = 1; | |
| 461 | str_free(tmpstr); | |
| 462 | str_cat(str," "); | |
| a687059c | 463 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
| 8d063cd8 LW |
464 | str_free(fstr); |
| 465 | numeric |= numarg; | |
| 7c0587c8 LW |
466 | if (strEQ(str->str_ptr,"$/ = ''")) |
| 467 | str_set(str, "$/ = \"\\n\\n\""); | |
| 8d063cd8 LW |
468 | break; |
| 469 | case OADD: | |
| a687059c LW |
470 | prec = P_ADD; |
| 471 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 472 | str_cat(str," + "); |
| a687059c | 473 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
474 | str_free(fstr); |
| 475 | numeric = 1; | |
| 476 | break; | |
| a687059c LW |
477 | case OSUBTRACT: |
| 478 | prec = P_ADD; | |
| 479 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 480 | str_cat(str," - "); |
| a687059c | 481 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
482 | str_free(fstr); |
| 483 | numeric = 1; | |
| 484 | break; | |
| 485 | case OMULT: | |
| a687059c LW |
486 | prec = P_MUL; |
| 487 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 488 | str_cat(str," * "); |
| a687059c | 489 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
490 | str_free(fstr); |
| 491 | numeric = 1; | |
| 492 | break; | |
| 493 | case ODIV: | |
| a687059c LW |
494 | prec = P_MUL; |
| 495 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 496 | str_cat(str," / "); |
| a687059c LW |
497 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 498 | str_free(fstr); | |
| 499 | numeric = 1; | |
| 500 | break; | |
| 501 | case OPOW: | |
| 502 | prec = P_POW; | |
| 503 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 504 | str_cat(str," ** "); | |
| 505 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); | |
| 8d063cd8 LW |
506 | str_free(fstr); |
| 507 | numeric = 1; | |
| 508 | break; | |
| 509 | case OMOD: | |
| a687059c LW |
510 | prec = P_MUL; |
| 511 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 512 | str_cat(str," % "); |
| a687059c | 513 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
514 | str_free(fstr); |
| 515 | numeric = 1; | |
| 516 | break; | |
| 517 | case OPOSTINCR: | |
| a687059c LW |
518 | prec = P_AUTO; |
| 519 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
520 | str_cat(str,"++"); |
| 521 | numeric = 1; | |
| 522 | break; | |
| 523 | case OPOSTDECR: | |
| a687059c LW |
524 | prec = P_AUTO; |
| 525 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
526 | str_cat(str,"--"); |
| 527 | numeric = 1; | |
| 528 | break; | |
| 529 | case OPREINCR: | |
| a687059c | 530 | prec = P_AUTO; |
| 8d063cd8 LW |
531 | str = str_new(0); |
| 532 | str_set(str,"++"); | |
| a687059c | 533 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
534 | str_free(fstr); |
| 535 | numeric = 1; | |
| 536 | break; | |
| 537 | case OPREDECR: | |
| a687059c | 538 | prec = P_AUTO; |
| 8d063cd8 LW |
539 | str = str_new(0); |
| 540 | str_set(str,"--"); | |
| a687059c | 541 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
542 | str_free(fstr); |
| 543 | numeric = 1; | |
| 544 | break; | |
| 545 | case OUMINUS: | |
| a687059c | 546 | prec = P_UNARY; |
| 8d063cd8 LW |
547 | str = str_new(0); |
| 548 | str_set(str,"-"); | |
| a687059c | 549 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
550 | str_free(fstr); |
| 551 | numeric = 1; | |
| 552 | break; | |
| 553 | case OUPLUS: | |
| 554 | numeric = 1; | |
| 555 | goto def; | |
| 556 | case OPAREN: | |
| 557 | str = str_new(0); | |
| 558 | str_set(str,"("); | |
| a687059c LW |
559 | str_scat(str, |
| 560 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
561 | str_free(fstr); |
| 562 | str_cat(str,")"); | |
| 563 | numeric |= numarg; | |
| 564 | break; | |
| 565 | case OGETLINE: | |
| 566 | str = str_new(0); | |
| a687059c LW |
567 | if (useval) |
| 568 | str_cat(str,"("); | |
| 569 | if (len > 0) { | |
| a687059c LW |
570 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 571 | if (!*fstr->str_ptr) { | |
| 7c0587c8 | 572 | str_cat(str,"$_"); |
| a687059c LW |
573 | len = 2; /* a legal fiction */ |
| 574 | } | |
| 575 | str_free(fstr); | |
| 576 | } | |
| 577 | else | |
| 578 | str_cat(str,"$_"); | |
| 579 | if (len > 1) { | |
| 580 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); | |
| 581 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 582 | if (!do_fancy_opens) { | |
| 583 | t = tmpstr->str_ptr; | |
| 584 | if (*t == '"' || *t == '\'') | |
| 585 | t = cpytill(tokenbuf,t+1,*t); | |
| 586 | else | |
| 587 | fatal("Internal error: OGETLINE %s", t); | |
| 588 | d = savestr(t); | |
| 589 | s = savestr(tokenbuf); | |
| 590 | for (t = tokenbuf; *t; t++) { | |
| 591 | *t &= 127; | |
| d48672a2 LW |
592 | if (islower(*t)) |
| 593 | *t = toupper(*t); | |
| a687059c LW |
594 | if (!isalpha(*t) && !isdigit(*t)) |
| 595 | *t = '_'; | |
| 596 | } | |
| a0d0e21e | 597 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 598 | strcpy(t,"_FH"); |
| a687059c LW |
599 | tmp3str = hfetch(symtab,tokenbuf); |
| 600 | if (!tmp3str) { | |
| 601 | do_opens = TRUE; | |
| 602 | str_cat(opens,"open("); | |
| 603 | str_cat(opens,tokenbuf); | |
| 604 | str_cat(opens,", "); | |
| 605 | d[1] = '\0'; | |
| 606 | str_cat(opens,d); | |
| 607 | str_cat(opens,tmpstr->str_ptr+1); | |
| 608 | opens->str_cur--; | |
| 609 | if (*fstr->str_ptr == '|') | |
| 610 | str_cat(opens,"|"); | |
| 611 | str_cat(opens,d); | |
| 612 | if (*fstr->str_ptr == '|') | |
| 613 | str_cat(opens,") || die 'Cannot pipe from \""); | |
| 614 | else | |
| 615 | str_cat(opens,") || die 'Cannot open file \""); | |
| 616 | if (*d == '"') | |
| 617 | str_cat(opens,"'.\""); | |
| 618 | str_cat(opens,s); | |
| 619 | if (*d == '"') | |
| 620 | str_cat(opens,"\".'"); | |
| 621 | str_cat(opens,"\".';\n"); | |
| 622 | hstore(symtab,tokenbuf,str_make("x")); | |
| 623 | } | |
| 624 | safefree(s); | |
| 625 | safefree(d); | |
| 626 | str_set(tmpstr,"'"); | |
| 627 | str_cat(tmpstr,tokenbuf); | |
| 628 | str_cat(tmpstr,"'"); | |
| 629 | } | |
| 630 | if (*fstr->str_ptr == '|') | |
| 631 | str_cat(tmpstr,", '|'"); | |
| 632 | str_free(fstr); | |
| 633 | } | |
| 634 | else | |
| 635 | tmpstr = str_make(""); | |
| 636 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); | |
| 637 | str_cat(str,tokenbuf); | |
| 638 | str_free(tmpstr); | |
| 639 | if (useval) | |
| 640 | str_cat(str,",$getline_ok)"); | |
| 641 | saw_getline |= 1 << len; | |
| 8d063cd8 LW |
642 | break; |
| 643 | case OSPRINTF: | |
| 644 | str = str_new(0); | |
| 645 | str_set(str,"sprintf("); | |
| a687059c | 646 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
647 | str_free(fstr); |
| 648 | str_cat(str,")"); | |
| 649 | break; | |
| 650 | case OSUBSTR: | |
| 651 | str = str_new(0); | |
| 652 | str_set(str,"substr("); | |
| a687059c | 653 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
654 | str_free(fstr); |
| 655 | str_cat(str,", "); | |
| a687059c | 656 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
657 | str_free(fstr); |
| 658 | str_cat(str,", "); | |
| 659 | if (len == 3) { | |
| a687059c | 660 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
661 | str_free(fstr); |
| 662 | } | |
| 663 | else | |
| 664 | str_cat(str,"999999"); | |
| 665 | str_cat(str,")"); | |
| 666 | break; | |
| 667 | case OSTRING: | |
| 668 | str = str_new(0); | |
| 669 | str_set(str,ops[node+1].cval); | |
| 670 | break; | |
| 671 | case OSPLIT: | |
| 672 | str = str_new(0); | |
| 55204971 | 673 | limit = ", 9999)"; |
| 8d063cd8 | 674 | numeric = 1; |
| a687059c | 675 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
676 | if (useval) |
| 677 | str_set(str,"(@"); | |
| 678 | else | |
| 679 | str_set(str,"@"); | |
| 680 | str_scat(str,tmpstr); | |
| 681 | str_cat(str," = split("); | |
| 682 | if (len == 3) { | |
| a687059c | 683 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
| 8d063cd8 LW |
684 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
| 685 | i = fstr->str_ptr[1] & 127; | |
| a0d0e21e | 686 | if (strchr("*+?.[]()|^$\\",i)) |
| 8d063cd8 | 687 | sprintf(tokenbuf,"/\\%c/",i); |
| 20188a90 | 688 | else if (i == ' ') |
| 62b28dd9 | 689 | sprintf(tokenbuf,"' '"); |
| 8d063cd8 LW |
690 | else |
| 691 | sprintf(tokenbuf,"/%c/",i); | |
| 692 | str_cat(str,tokenbuf); | |
| 693 | } | |
| 694 | else | |
| 695 | str_scat(str,fstr); | |
| 696 | str_free(fstr); | |
| 697 | } | |
| 698 | else if (const_FS) { | |
| 699 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); | |
| 700 | str_cat(str,tokenbuf); | |
| 701 | } | |
| 702 | else if (saw_FS) | |
| 703 | str_cat(str,"$FS"); | |
| 55204971 | 704 | else { |
| 9bb9d9f7 | 705 | str_cat(str,"' '"); |
| 55204971 LW |
706 | limit = ")"; |
| 707 | } | |
| 8d063cd8 | 708 | str_cat(str,", "); |
| a687059c | 709 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 | 710 | str_free(fstr); |
| 55204971 | 711 | str_cat(str,limit); |
| 8d063cd8 LW |
712 | if (useval) { |
| 713 | str_cat(str,")"); | |
| 714 | } | |
| 715 | str_free(tmpstr); | |
| 716 | break; | |
| 717 | case OINDEX: | |
| 718 | str = str_new(0); | |
| 719 | str_set(str,"index("); | |
| a687059c | 720 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
721 | str_free(fstr); |
| 722 | str_cat(str,", "); | |
| a687059c | 723 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
724 | str_free(fstr); |
| 725 | str_cat(str,")"); | |
| 726 | numeric = 1; | |
| 727 | break; | |
| a687059c LW |
728 | case OMATCH: |
| 729 | str = str_new(0); | |
| 730 | prec = P_ANDAND; | |
| 731 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); | |
| 732 | str_free(fstr); | |
| 733 | str_cat(str," =~ "); | |
| 734 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); | |
| 735 | str_free(fstr); | |
| 736 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); | |
| 737 | numeric = 1; | |
| 738 | break; | |
| 739 | case OUSERDEF: | |
| 740 | str = str_new(0); | |
| 741 | subretnum = FALSE; | |
| 742 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); | |
| 743 | curargs = str_new(0); | |
| 744 | str_sset(curargs,fstr); | |
| 745 | str_cat(curargs,","); | |
| 746 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); | |
| 747 | str_free(curargs); | |
| 748 | curargs = Nullstr; | |
| 749 | level--; | |
| 750 | subretnum |= numarg; | |
| 751 | s = Nullch; | |
| 752 | t = tmp2str->str_ptr; | |
| 753 | while (t = instr(t,"return ")) | |
| 754 | s = t++; | |
| 755 | if (s) { | |
| 756 | i = 0; | |
| 757 | for (t = s+7; *t; t++) { | |
| 758 | if (*t == ';' || *t == '}') | |
| 759 | i++; | |
| 760 | } | |
| 761 | if (i == 1) { | |
| 762 | strcpy(s,s+7); | |
| 763 | tmp2str->str_cur -= 7; | |
| 764 | } | |
| 765 | } | |
| 766 | str_set(str,"\n"); | |
| 767 | tab(str,level); | |
| 768 | str_cat(str,"sub "); | |
| 769 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 770 | str_cat(str," {\n"); | |
| 771 | tab(str,++level); | |
| 772 | if (fstr->str_cur) { | |
| 773 | str_cat(str,"local("); | |
| 774 | str_scat(str,fstr); | |
| 775 | str_cat(str,") = @_;"); | |
| 776 | } | |
| 777 | str_free(fstr); | |
| 778 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); | |
| 779 | str_free(fstr); | |
| 780 | fixtab(str,level); | |
| 781 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); | |
| 782 | str_free(fstr); | |
| 783 | fixtab(str,level); | |
| 784 | str_scat(str,tmp2str); | |
| 785 | str_free(tmp2str); | |
| 786 | fixtab(str,--level); | |
| 787 | str_cat(str,"}\n"); | |
| 788 | tab(str,level); | |
| 789 | str_scat(subs,str); | |
| 790 | str_set(str,""); | |
| 791 | str_cat(tmpstr,"("); | |
| 792 | tmp2str = str_new(0); | |
| 793 | if (subretnum) | |
| 794 | str_set(tmp2str,"1"); | |
| 795 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 796 | str_free(tmpstr); | |
| 797 | level++; | |
| 798 | break; | |
| 799 | case ORETURN: | |
| 800 | str = str_new(0); | |
| 801 | if (len > 0) { | |
| 802 | str_cat(str,"return "); | |
| 803 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); | |
| 804 | str_free(fstr); | |
| 805 | if (numarg) | |
| 806 | subretnum = TRUE; | |
| 807 | } | |
| 808 | else | |
| 809 | str_cat(str,"return"); | |
| 810 | break; | |
| 811 | case OUSERFUN: | |
| 812 | str = str_new(0); | |
| 813 | str_set(str,"&"); | |
| 814 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 815 | str_free(fstr); | |
| 816 | str_cat(str,"("); | |
| 817 | tmpstr = hfetch(symtab,str->str_ptr+3); | |
| 818 | if (tmpstr && tmpstr->str_ptr) | |
| 819 | numeric |= atoi(tmpstr->str_ptr); | |
| 820 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 821 | str_free(fstr); | |
| 822 | str_cat(str,")"); | |
| 823 | break; | |
| 824 | case OGSUB: | |
| 825 | case OSUB: | |
| 826 | if (type == OGSUB) | |
| 827 | s = "g"; | |
| 828 | else | |
| 829 | s = ""; | |
| 830 | str = str_new(0); | |
| 831 | tmpstr = str_new(0); | |
| 832 | i = 0; | |
| 833 | if (len == 3) { | |
| 834 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); | |
| 835 | if (strNE(tmpstr->str_ptr,"$_")) { | |
| 836 | str_cat(tmpstr, " =~ s"); | |
| 837 | i++; | |
| 838 | } | |
| 839 | else | |
| 840 | str_set(tmpstr, "s"); | |
| 841 | } | |
| 842 | else | |
| 843 | str_set(tmpstr, "s"); | |
| 844 | type = ops[ops[node+2].ival].ival; | |
| 845 | len = type >> 8; | |
| 846 | type &= 255; | |
| 847 | tmp3str = str_new(0); | |
| 848 | if (type == OSTR) { | |
| 849 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); | |
| 850 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { | |
| 851 | if (*t == '&') | |
| 852 | *d++ = '$' + 128; | |
| 853 | else if (*t == '$') | |
| 854 | *d++ = '\\' + 128; | |
| 855 | *d = *t + 128; | |
| 856 | } | |
| 857 | *d = '\0'; | |
| 858 | str_set(tmp2str,tokenbuf); | |
| 859 | } | |
| 860 | else { | |
| 861 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 862 | str_set(tmp3str,"($s_ = '\"'.("); | |
| 863 | str_scat(tmp3str,tmp2str); | |
| 864 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); | |
| 865 | str_set(tmp2str,"eval $s_"); | |
| 866 | s = (*s == 'g' ? "ge" : "e"); | |
| 867 | i++; | |
| 868 | } | |
| 869 | type = ops[ops[node+1].ival].ival; | |
| 870 | len = type >> 8; | |
| 871 | type &= 255; | |
| 872 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 873 | if (type == OREGEX) { | |
| 874 | if (useval && i) | |
| 875 | str_cat(str,"("); | |
| 876 | str_scat(str,tmp3str); | |
| 877 | str_scat(str,tmpstr); | |
| 878 | str_scat(str,fstr); | |
| 879 | str_scat(str,tmp2str); | |
| 880 | str_cat(str,"/"); | |
| 881 | str_cat(str,s); | |
| 882 | } | |
| 883 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { | |
| 884 | if (useval && i) | |
| 885 | str_cat(str,"("); | |
| 886 | str_scat(str,tmp3str); | |
| 887 | str_scat(str,tmpstr); | |
| 888 | str_cat(str,"/"); | |
| 889 | str_scat(str,fstr); | |
| 890 | str_cat(str,"/"); | |
| 891 | str_scat(str,tmp2str); | |
| 892 | str_cat(str,"/"); | |
| 893 | str_cat(str,s); | |
| 894 | } | |
| 895 | else { | |
| 896 | i++; | |
| 897 | if (useval) | |
| 898 | str_cat(str,"("); | |
| 899 | str_cat(str,"$s = "); | |
| 900 | str_scat(str,fstr); | |
| 901 | str_cat(str,", "); | |
| 902 | str_scat(str,tmp3str); | |
| 903 | str_scat(str,tmpstr); | |
| 904 | str_cat(str,"/$s/"); | |
| 905 | str_scat(str,tmp2str); | |
| 906 | str_cat(str,"/"); | |
| 907 | str_cat(str,s); | |
| 908 | } | |
| 909 | if (useval && i) | |
| 910 | str_cat(str,")"); | |
| 911 | str_free(fstr); | |
| 912 | str_free(tmpstr); | |
| 913 | str_free(tmp2str); | |
| 914 | str_free(tmp3str); | |
| 915 | numeric = 1; | |
| 916 | break; | |
| 8d063cd8 | 917 | case ONUM: |
| a687059c | 918 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
919 | numeric = 1; |
| 920 | break; | |
| 921 | case OSTR: | |
| a687059c | 922 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 923 | s = "'"; |
| 378cc40b LW |
924 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
| 925 | if (*t == '\'') | |
| 926 | s = "\""; | |
| 927 | else if (*t == '\\') { | |
| 8d063cd8 | 928 | s = "\""; |
| 378cc40b LW |
929 | *d++ = *t++ + 128; |
| 930 | switch (*t) { | |
| fe14fcc3 | 931 | case '\\': case '"': case 'n': case 't': case '$': |
| 378cc40b LW |
932 | break; |
| 933 | default: /* hide this from perl */ | |
| 934 | *d++ = '\\' + 128; | |
| 935 | } | |
| 936 | } | |
| 937 | *d = *t + 128; | |
| 8d063cd8 | 938 | } |
| 378cc40b | 939 | *d = '\0'; |
| 8d063cd8 LW |
940 | str = str_new(0); |
| 941 | str_set(str,s); | |
| 378cc40b | 942 | str_cat(str,tokenbuf); |
| 8d063cd8 LW |
943 | str_free(tmpstr); |
| 944 | str_cat(str,s); | |
| 945 | break; | |
| a687059c LW |
946 | case ODEFINED: |
| 947 | prec = P_UNI; | |
| 948 | str = str_new(0); | |
| 949 | str_set(str,"defined $"); | |
| 950 | goto addvar; | |
| 951 | case ODELETE: | |
| 952 | str = str_new(0); | |
| 953 | str_set(str,"delete $"); | |
| 954 | goto addvar; | |
| 955 | case OSTAR: | |
| 956 | str = str_new(0); | |
| 957 | str_set(str,"*"); | |
| 958 | goto addvar; | |
| 8d063cd8 LW |
959 | case OVAR: |
| 960 | str = str_new(0); | |
| 961 | str_set(str,"$"); | |
| a687059c LW |
962 | addvar: |
| 963 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
964 | if (len == 1) { |
| 965 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 966 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 967 | numeric = 2; | |
| a687059c LW |
968 | if (strEQ(str->str_ptr,"$FNR")) { |
| 969 | numeric = 1; | |
| 970 | saw_FNR++; | |
| 971 | str_set(str,"($.-$FNRbase)"); | |
| 972 | } | |
| 973 | else if (strEQ(str->str_ptr,"$NR")) { | |
| 8d063cd8 LW |
974 | numeric = 1; |
| 975 | str_set(str,"$."); | |
| 976 | } | |
| 977 | else if (strEQ(str->str_ptr,"$NF")) { | |
| 978 | numeric = 1; | |
| 979 | str_set(str,"$#Fld"); | |
| 980 | } | |
| 981 | else if (strEQ(str->str_ptr,"$0")) | |
| 982 | str_set(str,"$_"); | |
| a687059c LW |
983 | else if (strEQ(str->str_ptr,"$ARGC")) |
| 984 | str_set(str,"($#ARGV+1)"); | |
| 8d063cd8 LW |
985 | } |
| 986 | else { | |
| a687059c LW |
987 | #ifdef NOTDEF |
| 988 | if (curargs) { | |
| 989 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); | |
| 990 | ??? if (instr(curargs->str_ptr,tokenbuf)) | |
| 991 | str_cat(str,"\377"); /* can't translate yet */ | |
| 992 | } | |
| 993 | #endif | |
| 8d063cd8 LW |
994 | str_cat(tmpstr,"[]"); |
| 995 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 996 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 997 | str_cat(str,"["); | |
| 998 | else | |
| 999 | str_cat(str,"{"); | |
| a687059c | 1000 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 | 1001 | str_free(fstr); |
| a687059c LW |
1002 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
| 1003 | str_set(str,"$ARGV0"); | |
| 1004 | saw_argv0++; | |
| 1005 | } | |
| 1006 | else { | |
| 1007 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 1008 | strcpy(tokenbuf,"]"); | |
| 1009 | else | |
| 1010 | strcpy(tokenbuf,"}"); | |
| 1011 | *tokenbuf += 128; | |
| 1012 | str_cat(str,tokenbuf); | |
| 1013 | } | |
| 8d063cd8 LW |
1014 | } |
| 1015 | str_free(tmpstr); | |
| 1016 | break; | |
| 1017 | case OFLD: | |
| 1018 | str = str_new(0); | |
| 1019 | if (split_to_array) { | |
| 1020 | str_set(str,"$Fld"); | |
| 1021 | str_cat(str,"["); | |
| a687059c | 1022 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1023 | str_free(fstr); |
| 1024 | str_cat(str,"]"); | |
| 1025 | } | |
| 1026 | else { | |
| a687059c | 1027 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
| 8d063cd8 LW |
1028 | if (i <= arymax) |
| 1029 | sprintf(tokenbuf,"$%s",nameary[i]); | |
| 1030 | else | |
| 1031 | sprintf(tokenbuf,"$Fld%d",i); | |
| 1032 | str_set(str,tokenbuf); | |
| 1033 | } | |
| 1034 | break; | |
| 1035 | case OVFLD: | |
| 1036 | str = str_new(0); | |
| 1037 | str_set(str,"$Fld["); | |
| 1038 | i = ops[node+1].ival; | |
| 1039 | if ((ops[i].ival & 255) == OPAREN) | |
| 1040 | i = ops[i+1].ival; | |
| a687059c | 1041 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
| 8d063cd8 LW |
1042 | str_scat(str,tmpstr); |
| 1043 | str_free(tmpstr); | |
| 1044 | str_cat(str,"]"); | |
| 1045 | break; | |
| 1046 | case OJUNK: | |
| 1047 | goto def; | |
| 1048 | case OSNEWLINE: | |
| 1049 | str = str_new(2); | |
| 1050 | str_set(str,";\n"); | |
| 1051 | tab(str,level); | |
| 1052 | break; | |
| 1053 | case ONEWLINE: | |
| 1054 | str = str_new(1); | |
| 1055 | str_set(str,"\n"); | |
| 1056 | tab(str,level); | |
| 1057 | break; | |
| 1058 | case OSCOMMENT: | |
| 1059 | str = str_new(0); | |
| 1060 | str_set(str,";"); | |
| a687059c | 1061 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
1062 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| 1063 | *s += 128; | |
| 1064 | str_scat(str,tmpstr); | |
| 1065 | str_free(tmpstr); | |
| 1066 | tab(str,level); | |
| 1067 | break; | |
| 1068 | case OCOMMENT: | |
| 1069 | str = str_new(0); | |
| a687059c | 1070 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
1071 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| 1072 | *s += 128; | |
| 1073 | str_scat(str,tmpstr); | |
| 1074 | str_free(tmpstr); | |
| 1075 | tab(str,level); | |
| 1076 | break; | |
| 1077 | case OCOMMA: | |
| a687059c LW |
1078 | prec = P_COMMA; |
| 1079 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 1080 | str_cat(str,", "); |
| a687059c LW |
1081 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 1082 | str_free(fstr); | |
| 1083 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1084 | str_free(fstr); |
| 1085 | break; | |
| 1086 | case OSEMICOLON: | |
| 1087 | str = str_new(1); | |
| a687059c LW |
1088 | str_set(str,";\n"); |
| 1089 | tab(str,level); | |
| 8d063cd8 LW |
1090 | break; |
| 1091 | case OSTATES: | |
| a687059c LW |
1092 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 1093 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
1094 | str_free(fstr); |
| 1095 | break; | |
| 1096 | case OSTATE: | |
| 1097 | str = str_new(0); | |
| 1098 | if (len >= 1) { | |
| a687059c | 1099 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1100 | str_free(fstr); |
| 1101 | if (len >= 2) { | |
| a687059c | 1102 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
1103 | if (*tmpstr->str_ptr == ';') { |
| 1104 | addsemi(str); | |
| 1105 | str_cat(str,tmpstr->str_ptr+1); | |
| 1106 | } | |
| 1107 | str_free(tmpstr); | |
| 1108 | } | |
| 1109 | } | |
| 1110 | break; | |
| a687059c LW |
1111 | case OCLOSE: |
| 1112 | str = str_make("close("); | |
| 1113 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1114 | if (!do_fancy_opens) { | |
| 1115 | t = tmpstr->str_ptr; | |
| 1116 | if (*t == '"' || *t == '\'') | |
| 1117 | t = cpytill(tokenbuf,t+1,*t); | |
| 1118 | else | |
| 1119 | fatal("Internal error: OCLOSE %s",t); | |
| 1120 | s = savestr(tokenbuf); | |
| 1121 | for (t = tokenbuf; *t; t++) { | |
| 1122 | *t &= 127; | |
| d48672a2 LW |
1123 | if (islower(*t)) |
| 1124 | *t = toupper(*t); | |
| a687059c LW |
1125 | if (!isalpha(*t) && !isdigit(*t)) |
| 1126 | *t = '_'; | |
| 1127 | } | |
| a0d0e21e | 1128 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1129 | strcpy(t,"_FH"); |
| a687059c LW |
1130 | str_free(tmpstr); |
| 1131 | safefree(s); | |
| 1132 | str_set(str,"close "); | |
| 1133 | str_cat(str,tokenbuf); | |
| 1134 | } | |
| 1135 | else { | |
| 7c0587c8 LW |
1136 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
| 1137 | tmpstr->str_ptr, tmpstr->str_ptr); | |
| a687059c LW |
1138 | str_free(tmpstr); |
| 1139 | str_set(str,tokenbuf); | |
| 1140 | } | |
| 1141 | break; | |
| 8d063cd8 LW |
1142 | case OPRINTF: |
| 1143 | case OPRINT: | |
| 378cc40b LW |
1144 | lparen = ""; /* set to parens if necessary */ |
| 1145 | rparen = ""; | |
| 8d063cd8 LW |
1146 | str = str_new(0); |
| 1147 | if (len == 3) { /* output redirection */ | |
| a687059c LW |
1148 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
| 1149 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
1150 | if (!do_fancy_opens) { |
| 1151 | t = tmpstr->str_ptr; | |
| 1152 | if (*t == '"' || *t == '\'') | |
| 1153 | t = cpytill(tokenbuf,t+1,*t); | |
| 1154 | else | |
| 1155 | fatal("Internal error: OPRINT"); | |
| 1156 | d = savestr(t); | |
| 1157 | s = savestr(tokenbuf); | |
| 1158 | for (t = tokenbuf; *t; t++) { | |
| 1159 | *t &= 127; | |
| d48672a2 LW |
1160 | if (islower(*t)) |
| 1161 | *t = toupper(*t); | |
| 8d063cd8 LW |
1162 | if (!isalpha(*t) && !isdigit(*t)) |
| 1163 | *t = '_'; | |
| 1164 | } | |
| a0d0e21e | 1165 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1166 | strcpy(t,"_FH"); |
| a687059c LW |
1167 | tmp3str = hfetch(symtab,tokenbuf); |
| 1168 | if (!tmp3str) { | |
| 1169 | str_cat(opens,"open("); | |
| 1170 | str_cat(opens,tokenbuf); | |
| 1171 | str_cat(opens,", "); | |
| 1172 | d[1] = '\0'; | |
| 1173 | str_cat(opens,d); | |
| 1174 | str_scat(opens,tmp2str); | |
| 1175 | str_cat(opens,tmpstr->str_ptr+1); | |
| 1176 | if (*tmp2str->str_ptr == '|') | |
| 1177 | str_cat(opens,") || die 'Cannot pipe to \""); | |
| 1178 | else | |
| 1179 | str_cat(opens,") || die 'Cannot create file \""); | |
| 1180 | if (*d == '"') | |
| 1181 | str_cat(opens,"'.\""); | |
| 1182 | str_cat(opens,s); | |
| 1183 | if (*d == '"') | |
| 1184 | str_cat(opens,"\".'"); | |
| 1185 | str_cat(opens,"\".';\n"); | |
| 1186 | hstore(symtab,tokenbuf,str_make("x")); | |
| 1187 | } | |
| 8d063cd8 LW |
1188 | str_free(tmpstr); |
| 1189 | str_free(tmp2str); | |
| 1190 | safefree(s); | |
| 1191 | safefree(d); | |
| 1192 | } | |
| 1193 | else { | |
| a687059c | 1194 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
| 8d063cd8 LW |
1195 | tmp2str->str_ptr, tmpstr->str_ptr); |
| 1196 | str_cat(str,tokenbuf); | |
| 1197 | tab(str,level+1); | |
| a687059c | 1198 | strcpy(tokenbuf,"$fh"); |
| 8d063cd8 LW |
1199 | str_free(tmpstr); |
| 1200 | str_free(tmp2str); | |
| 378cc40b LW |
1201 | lparen = "("; |
| 1202 | rparen = ")"; | |
| 8d063cd8 LW |
1203 | } |
| 1204 | } | |
| 1205 | else | |
| a687059c | 1206 | strcpy(tokenbuf,""); |
| 378cc40b | 1207 | str_cat(str,lparen); /* may be null */ |
| 8d063cd8 LW |
1208 | if (type == OPRINTF) |
| 1209 | str_cat(str,"printf"); | |
| 1210 | else | |
| 1211 | str_cat(str,"print"); | |
| d48672a2 | 1212 | saw_fh = 0; |
| 8d063cd8 | 1213 | if (len == 3 || do_fancy_opens) { |
| d48672a2 | 1214 | if (*tokenbuf) { |
| 8d063cd8 | 1215 | str_cat(str," "); |
| d48672a2 LW |
1216 | saw_fh = 1; |
| 1217 | } | |
| 8d063cd8 LW |
1218 | str_cat(str,tokenbuf); |
| 1219 | } | |
| a687059c | 1220 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
1221 | if (!*tmpstr->str_ptr && lval_field) { |
| 1222 | t = saw_OFS ? "$," : "' '"; | |
| 1223 | if (split_to_array) { | |
| 1224 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1225 | str_cat(tmpstr,tokenbuf); | |
| 1226 | } | |
| 1227 | else { | |
| 1228 | for (i = 1; i < maxfld; i++) { | |
| 1229 | if (i <= arymax) | |
| 1230 | sprintf(tokenbuf,"$%s, ",nameary[i]); | |
| 1231 | else | |
| 1232 | sprintf(tokenbuf,"$Fld%d, ",i); | |
| 1233 | str_cat(tmpstr,tokenbuf); | |
| 1234 | } | |
| 1235 | if (maxfld <= arymax) | |
| 1236 | sprintf(tokenbuf,"$%s",nameary[maxfld]); | |
| 1237 | else | |
| 1238 | sprintf(tokenbuf,"$Fld%d",maxfld); | |
| 1239 | str_cat(tmpstr,tokenbuf); | |
| 1240 | } | |
| 1241 | } | |
| 1242 | if (*tmpstr->str_ptr) { | |
| 1243 | str_cat(str," "); | |
| d48672a2 LW |
1244 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
| 1245 | str_cat(str,"("); | |
| 1246 | str_scat(str,tmpstr); | |
| 1247 | str_cat(str,")"); | |
| 1248 | } | |
| 1249 | else | |
| 1250 | str_scat(str,tmpstr); | |
| 8d063cd8 LW |
1251 | } |
| 1252 | else { | |
| 1253 | str_cat(str," $_"); | |
| 1254 | } | |
| 378cc40b | 1255 | str_cat(str,rparen); /* may be null */ |
| 8d063cd8 LW |
1256 | str_free(tmpstr); |
| 1257 | break; | |
| a687059c LW |
1258 | case ORAND: |
| 1259 | str = str_make("rand(1)"); | |
| 1260 | break; | |
| 1261 | case OSRAND: | |
| 1262 | str = str_make("srand("); | |
| 1263 | goto maybe0; | |
| 1264 | case OATAN2: | |
| 1265 | str = str_make("atan2("); | |
| 1266 | goto maybe0; | |
| 1267 | case OSIN: | |
| 1268 | str = str_make("sin("); | |
| 1269 | goto maybe0; | |
| 1270 | case OCOS: | |
| 1271 | str = str_make("cos("); | |
| 1272 | goto maybe0; | |
| 1273 | case OSYSTEM: | |
| 1274 | str = str_make("system("); | |
| 1275 | goto maybe0; | |
| 8d063cd8 LW |
1276 | case OLENGTH: |
| 1277 | str = str_make("length("); | |
| 1278 | goto maybe0; | |
| 1279 | case OLOG: | |
| 1280 | str = str_make("log("); | |
| 1281 | goto maybe0; | |
| 1282 | case OEXP: | |
| 1283 | str = str_make("exp("); | |
| 1284 | goto maybe0; | |
| 1285 | case OSQRT: | |
| 1286 | str = str_make("sqrt("); | |
| 1287 | goto maybe0; | |
| 1288 | case OINT: | |
| 1289 | str = str_make("int("); | |
| 1290 | maybe0: | |
| 1291 | numeric = 1; | |
| 1292 | if (len > 0) | |
| a687059c | 1293 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1294 | else |
| db7c17d7 | 1295 | tmpstr = str_new(0); |
| fe14fcc3 | 1296 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
| 8d063cd8 LW |
1297 | if (lval_field) { |
| 1298 | t = saw_OFS ? "$," : "' '"; | |
| 1299 | if (split_to_array) { | |
| 1300 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1301 | str_cat(tmpstr,tokenbuf); | |
| 1302 | } | |
| 1303 | else { | |
| 1304 | sprintf(tokenbuf,"join(%s, ",t); | |
| 1305 | str_cat(tmpstr,tokenbuf); | |
| 1306 | for (i = 1; i < maxfld; i++) { | |
| 1307 | if (i <= arymax) | |
| 1308 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1309 | else | |
| 1310 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1311 | str_cat(tmpstr,tokenbuf); | |
| 1312 | } | |
| 1313 | if (maxfld <= arymax) | |
| 1314 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1315 | else | |
| 1316 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1317 | str_cat(tmpstr,tokenbuf); | |
| 1318 | } | |
| 1319 | } | |
| 1320 | else | |
| 1321 | str_cat(tmpstr,"$_"); | |
| 1322 | } | |
| 1323 | if (strEQ(tmpstr->str_ptr,"$_")) { | |
| 1324 | if (type == OLENGTH && !do_chop) { | |
| 1325 | str = str_make("(length("); | |
| 1326 | str_cat(tmpstr,") - 1"); | |
| 1327 | } | |
| 1328 | } | |
| 1329 | str_scat(str,tmpstr); | |
| 1330 | str_free(tmpstr); | |
| 1331 | str_cat(str,")"); | |
| 1332 | break; | |
| 1333 | case OBREAK: | |
| 1334 | str = str_new(0); | |
| 1335 | str_set(str,"last"); | |
| 1336 | break; | |
| 1337 | case ONEXT: | |
| 1338 | str = str_new(0); | |
| 1339 | str_set(str,"next line"); | |
| 1340 | break; | |
| 1341 | case OEXIT: | |
| 1342 | str = str_new(0); | |
| 1343 | if (realexit) { | |
| a687059c | 1344 | prec = P_UNI; |
| 8d063cd8 LW |
1345 | str_set(str,"exit"); |
| 1346 | if (len == 1) { | |
| 1347 | str_cat(str," "); | |
| 1348 | exitval = TRUE; | |
| a687059c LW |
1349 | str_scat(str, |
| 1350 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1351 | str_free(fstr); |
| 1352 | } | |
| 1353 | } | |
| 1354 | else { | |
| 1355 | if (len == 1) { | |
| 9f68db38 | 1356 | str_set(str,"$ExitValue = "); |
| 8d063cd8 | 1357 | exitval = TRUE; |
| a687059c LW |
1358 | str_scat(str, |
| 1359 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); | |
| 8d063cd8 LW |
1360 | str_free(fstr); |
| 1361 | str_cat(str,"; "); | |
| 1362 | } | |
| 1363 | str_cat(str,"last line"); | |
| 1364 | } | |
| 1365 | break; | |
| 1366 | case OCONTINUE: | |
| 1367 | str = str_new(0); | |
| 1368 | str_set(str,"next"); | |
| 1369 | break; | |
| 1370 | case OREDIR: | |
| 1371 | goto def; | |
| 1372 | case OIF: | |
| 1373 | str = str_new(0); | |
| 1374 | str_set(str,"if ("); | |
| a687059c | 1375 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1376 | str_free(fstr); |
| 1377 | str_cat(str,") "); | |
| a687059c | 1378 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1379 | str_free(fstr); |
| 1380 | if (len == 3) { | |
| 1381 | i = ops[node+3].ival; | |
| 1382 | if (i) { | |
| 1383 | if ((ops[i].ival & 255) == OBLOCK) { | |
| 1384 | i = ops[i+1].ival; | |
| 1385 | if (i) { | |
| 1386 | if ((ops[i].ival & 255) != OIF) | |
| 1387 | i = 0; | |
| 1388 | } | |
| 1389 | } | |
| 1390 | else | |
| 1391 | i = 0; | |
| 1392 | } | |
| 1393 | if (i) { | |
| 1394 | str_cat(str,"els"); | |
| a687059c | 1395 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
| 8d063cd8 LW |
1396 | str_free(fstr); |
| 1397 | } | |
| 1398 | else { | |
| 1399 | str_cat(str,"else "); | |
| a687059c | 1400 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1401 | str_free(fstr); |
| 1402 | } | |
| 1403 | } | |
| 1404 | break; | |
| 1405 | case OWHILE: | |
| 1406 | str = str_new(0); | |
| 1407 | str_set(str,"while ("); | |
| a687059c | 1408 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1409 | str_free(fstr); |
| 1410 | str_cat(str,") "); | |
| a687059c | 1411 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1412 | str_free(fstr); |
| 1413 | break; | |
| 7c0587c8 LW |
1414 | case ODO: |
| 1415 | str = str_new(0); | |
| 1416 | str_set(str,"do "); | |
| 1417 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 1418 | str_free(fstr); | |
| 1419 | if (str->str_ptr[str->str_cur - 1] == '\n') | |
| db7c17d7 | 1420 | --str->str_cur; |
| 7c0587c8 LW |
1421 | str_cat(str," while ("); |
| 1422 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1423 | str_free(fstr); | |
| 1424 | str_cat(str,");"); | |
| 1425 | break; | |
| 8d063cd8 LW |
1426 | case OFOR: |
| 1427 | str = str_new(0); | |
| 1428 | str_set(str,"for ("); | |
| a687059c | 1429 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1430 | i = numarg; |
| 1431 | if (i) { | |
| 1432 | t = s = tmpstr->str_ptr; | |
| 1433 | while (isalpha(*t) || isdigit(*t) || *t == '$' || *t == '_') | |
| 1434 | t++; | |
| 1435 | i = t - s; | |
| 1436 | if (i < 2) | |
| 1437 | i = 0; | |
| 1438 | } | |
| 1439 | str_cat(str,"; "); | |
| a687059c | 1440 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| a0d0e21e | 1441 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
| 8d063cd8 LW |
1442 | if (strnEQ(fstr->str_ptr,s,i)) |
| 1443 | *t = ' '; | |
| 1444 | } | |
| 1445 | str_scat(str,fstr); | |
| 1446 | str_free(fstr); | |
| 1447 | str_free(tmpstr); | |
| 1448 | str_cat(str,"; "); | |
| a687059c | 1449 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1450 | str_free(fstr); |
| 1451 | str_cat(str,") "); | |
| a687059c | 1452 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1453 | str_free(fstr); |
| 1454 | break; | |
| 1455 | case OFORIN: | |
| a687059c | 1456 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| a0d0e21e | 1457 | d = strchr(tmpstr->str_ptr,'$'); |
| a687059c LW |
1458 | if (!d) |
| 1459 | fatal("Illegal for loop: %s",tmpstr->str_ptr); | |
| a0d0e21e | 1460 | s = strchr(d,'{'); |
| a687059c | 1461 | if (!s) |
| a0d0e21e | 1462 | s = strchr(d,'['); |
| a687059c LW |
1463 | if (!s) |
| 1464 | fatal("Illegal for loop: %s",d); | |
| 1465 | *s++ = '\0'; | |
| ffed7fef LW |
1466 | for (t = s; i = *t; t++) { |
| 1467 | i &= 127; | |
| 1468 | if (i == '}' || i == ']') | |
| 1469 | break; | |
| 1470 | } | |
| 1471 | if (*t) | |
| a687059c | 1472 | *t = '\0'; |
| 8d063cd8 | 1473 | str = str_new(0); |
| a687059c | 1474 | str_set(str,d+1); |
| 8d063cd8 LW |
1475 | str_cat(str,"[]"); |
| 1476 | tmp2str = hfetch(symtab,str->str_ptr); | |
| 1477 | if (tmp2str && atoi(tmp2str->str_ptr)) { | |
| 8d063cd8 | 1478 | sprintf(tokenbuf, |
| 62b28dd9 | 1479 | "foreach %s ($[ .. $#%s) ", |
| a687059c LW |
1480 | s, |
| 1481 | d+1); | |
| 8d063cd8 LW |
1482 | } |
| 1483 | else { | |
| a687059c LW |
1484 | sprintf(tokenbuf, |
| 1485 | "foreach %s (keys %%%s) ", | |
| 1486 | s, | |
| 1487 | d+1); | |
| 8d063cd8 | 1488 | } |
| a687059c LW |
1489 | str_set(str,tokenbuf); |
| 1490 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1491 | str_free(fstr); | |
| 8d063cd8 LW |
1492 | str_free(tmpstr); |
| 1493 | break; | |
| 1494 | case OBLOCK: | |
| 1495 | str = str_new(0); | |
| 1496 | str_set(str,"{"); | |
| 378cc40b | 1497 | if (len >= 2 && ops[node+2].ival) { |
| a687059c | 1498 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1499 | str_free(fstr); |
| 1500 | } | |
| 1501 | fixtab(str,++level); | |
| a687059c | 1502 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1503 | str_free(fstr); |
| 1504 | addsemi(str); | |
| 1505 | fixtab(str,--level); | |
| 1506 | str_cat(str,"}\n"); | |
| 1507 | tab(str,level); | |
| 378cc40b | 1508 | if (len >= 3) { |
| a687059c | 1509 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 378cc40b LW |
1510 | str_free(fstr); |
| 1511 | } | |
| 8d063cd8 LW |
1512 | break; |
| 1513 | default: | |
| 1514 | def: | |
| 1515 | if (len) { | |
| 1516 | if (len > 5) | |
| 1517 | fatal("Garbage length in walk"); | |
| a687059c | 1518 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1519 | for (i = 2; i<= len; i++) { |
| a687059c | 1520 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1521 | str_free(fstr); |
| 1522 | } | |
| 1523 | } | |
| 1524 | else { | |
| 1525 | str = Nullstr; | |
| 1526 | } | |
| 1527 | break; | |
| 1528 | } | |
| 1529 | if (!str) | |
| 1530 | str = str_new(0); | |
| a687059c LW |
1531 | |
| 1532 | if (useval && prec < minprec) { /* need parens? */ | |
| 1533 | fstr = str_new(str->str_cur+2); | |
| 1534 | str_nset(fstr,"(",1); | |
| 1535 | str_scat(fstr,str); | |
| 1536 | str_ncat(fstr,")",1); | |
| 1537 | str_free(str); | |
| 1538 | str = fstr; | |
| 1539 | } | |
| 1540 | ||
| 8d063cd8 LW |
1541 | *numericptr = numeric; |
| 1542 | #ifdef DEBUGGING | |
| 1543 | if (debug & 4) { | |
| 1544 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); | |
| 1545 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) | |
| 1546 | if (*t == '\n') | |
| 1547 | printf("\\n"); | |
| 1548 | else if (*t == '\t') | |
| 1549 | printf("\\t"); | |
| 1550 | else | |
| 1551 | putchar(*t); | |
| 1552 | putchar('\n'); | |
| 1553 | } | |
| 1554 | #endif | |
| 1555 | return str; | |
| 1556 | } | |
| 1557 | ||
| 748a9306 | 1558 | static void |
| f0f333f4 | 1559 | tab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1560 | { |
| 1561 | while (lvl > 1) { | |
| 1562 | str_cat(str,"\t"); | |
| 1563 | lvl -= 2; | |
| 1564 | } | |
| 1565 | if (lvl) | |
| 1566 | str_cat(str," "); | |
| 1567 | } | |
| 1568 | ||
| 748a9306 | 1569 | static void |
| f0f333f4 | 1570 | fixtab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1571 | { |
| 1572 | register char *s; | |
| 1573 | ||
| 1574 | /* strip trailing white space */ | |
| 1575 | ||
| 1576 | s = str->str_ptr+str->str_cur - 1; | |
| a687059c | 1577 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
| 8d063cd8 LW |
1578 | s--; |
| 1579 | s[1] = '\0'; | |
| 1580 | str->str_cur = s + 1 - str->str_ptr; | |
| 1581 | if (s >= str->str_ptr && *s != '\n') | |
| 1582 | str_cat(str,"\n"); | |
| 1583 | ||
| 1584 | tab(str,lvl); | |
| 1585 | } | |
| 1586 | ||
| 748a9306 | 1587 | static void |
| f0f333f4 | 1588 | addsemi(register STR *str) |
| 8d063cd8 LW |
1589 | { |
| 1590 | register char *s; | |
| 1591 | ||
| 1592 | s = str->str_ptr+str->str_cur - 1; | |
| 1593 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) | |
| 1594 | s--; | |
| 1595 | if (s >= str->str_ptr && *s != ';' && *s != '}') | |
| 1596 | str_cat(str,";"); | |
| 1597 | } | |
| 1598 | ||
| 56febc5e | 1599 | static void |
| f0f333f4 | 1600 | emit_split(register STR *str, int level) |
| 8d063cd8 LW |
1601 | { |
| 1602 | register int i; | |
| 1603 | ||
| 1604 | if (split_to_array) | |
| 1605 | str_cat(str,"@Fld"); | |
| 1606 | else { | |
| 1607 | str_cat(str,"("); | |
| 1608 | for (i = 1; i < maxfld; i++) { | |
| 1609 | if (i <= arymax) | |
| 1610 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1611 | else | |
| 1612 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1613 | str_cat(str,tokenbuf); | |
| 1614 | } | |
| 1615 | if (maxfld <= arymax) | |
| 1616 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1617 | else | |
| 1618 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1619 | str_cat(str,tokenbuf); | |
| 1620 | } | |
| 1621 | if (const_FS) { | |
| 62b28dd9 | 1622 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
| 8d063cd8 LW |
1623 | str_cat(str,tokenbuf); |
| 1624 | } | |
| 1625 | else if (saw_FS) | |
| 62b28dd9 | 1626 | str_cat(str," = split($FS, $_, 9999);\n"); |
| 8d063cd8 | 1627 | else |
| 62b28dd9 | 1628 | str_cat(str," = split(' ', $_, 9999);\n"); |
| 8d063cd8 LW |
1629 | tab(str,level); |
| 1630 | } | |
| 1631 | ||
| 9c8d0b29 | 1632 | int |
| f0f333f4 | 1633 | prewalk(int numit, int level, register int node, int *numericptr) |
| 8d063cd8 LW |
1634 | { |
| 1635 | register int len; | |
| 1636 | register int type; | |
| 1637 | register int i; | |
| 8d063cd8 LW |
1638 | int numarg; |
| 1639 | int numeric = FALSE; | |
| a687059c LW |
1640 | STR *tmpstr; |
| 1641 | STR *tmp2str; | |
| 8d063cd8 LW |
1642 | |
| 1643 | if (!node) { | |
| 1644 | *numericptr = 0; | |
| 1645 | return 0; | |
| 1646 | } | |
| 1647 | type = ops[node].ival; | |
| 1648 | len = type >> 8; | |
| 1649 | type &= 255; | |
| 1650 | switch (type) { | |
| 1651 | case OPROG: | |
| 1652 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1653 | if (ops[node+2].ival) { | |
| 1654 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1655 | } | |
| 1656 | ++level; | |
| 1657 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1658 | --level; | |
| 1659 | if (ops[node+3].ival) { | |
| 1660 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1661 | } | |
| 1662 | break; | |
| 1663 | case OHUNKS: | |
| 1664 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1665 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1666 | if (len == 3) { | |
| 1667 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1668 | } | |
| 1669 | break; | |
| 1670 | case ORANGE: | |
| 1671 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1672 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1673 | break; | |
| 1674 | case OPAT: | |
| 1675 | goto def; | |
| 1676 | case OREGEX: | |
| 1677 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1678 | break; | |
| 1679 | case OHUNK: | |
| 1680 | if (len == 1) { | |
| 1681 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1682 | } | |
| 1683 | else { | |
| 1684 | i = prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1685 | if (i) { | |
| 1686 | ++level; | |
| 1687 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1688 | --level; | |
| 1689 | } | |
| 1690 | else { | |
| 1691 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1692 | } | |
| 1693 | } | |
| 1694 | break; | |
| 1695 | case OPPAREN: | |
| 1696 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1697 | break; | |
| 1698 | case OPANDAND: | |
| 1699 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1700 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1701 | break; | |
| 1702 | case OPOROR: | |
| 1703 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1704 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1705 | break; | |
| 1706 | case OPNOT: | |
| 1707 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1708 | break; | |
| 1709 | case OCPAREN: | |
| 1710 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1711 | numeric |= numarg; | |
| 1712 | break; | |
| 1713 | case OCANDAND: | |
| 1714 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1715 | numeric = 1; | |
| 1716 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1717 | break; | |
| 1718 | case OCOROR: | |
| 1719 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1720 | numeric = 1; | |
| 1721 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1722 | break; | |
| 1723 | case OCNOT: | |
| 1724 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1725 | numeric = 1; | |
| 1726 | break; | |
| 1727 | case ORELOP: | |
| 1728 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1729 | numeric |= numarg; | |
| 1730 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1731 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1732 | numeric |= numarg; | |
| 1733 | numeric = 1; | |
| 1734 | break; | |
| 1735 | case ORPAREN: | |
| 1736 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1737 | numeric |= numarg; | |
| 1738 | break; | |
| 1739 | case OMATCHOP: | |
| 1740 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1741 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1742 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1743 | numeric = 1; | |
| 1744 | break; | |
| 1745 | case OMPAREN: | |
| 1746 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1747 | numeric |= numarg; | |
| 1748 | break; | |
| 1749 | case OCONCAT: | |
| 1750 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1751 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1752 | break; | |
| 1753 | case OASSIGN: | |
| 1754 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1755 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1756 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 75f92628 | 1757 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
| 8d063cd8 LW |
1758 | numericize(ops[node+2].ival); |
| 1759 | if (!numarg) | |
| 1760 | numericize(ops[node+3].ival); | |
| 1761 | } | |
| 1762 | numeric |= numarg; | |
| 1763 | break; | |
| 1764 | case OADD: | |
| 1765 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1766 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1767 | numeric = 1; | |
| 1768 | break; | |
| a687059c | 1769 | case OSUBTRACT: |
| 8d063cd8 LW |
1770 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1771 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1772 | numeric = 1; | |
| 1773 | break; | |
| 1774 | case OMULT: | |
| 1775 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1776 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1777 | numeric = 1; | |
| 1778 | break; | |
| 1779 | case ODIV: | |
| 1780 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1781 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1782 | numeric = 1; | |
| 1783 | break; | |
| a687059c LW |
1784 | case OPOW: |
| 1785 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1786 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1787 | numeric = 1; | |
| 1788 | break; | |
| 8d063cd8 LW |
1789 | case OMOD: |
| 1790 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1791 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1792 | numeric = 1; | |
| 1793 | break; | |
| 1794 | case OPOSTINCR: | |
| 1795 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1796 | numeric = 1; | |
| 1797 | break; | |
| 1798 | case OPOSTDECR: | |
| 1799 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1800 | numeric = 1; | |
| 1801 | break; | |
| 1802 | case OPREINCR: | |
| 1803 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1804 | numeric = 1; | |
| 1805 | break; | |
| 1806 | case OPREDECR: | |
| 1807 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1808 | numeric = 1; | |
| 1809 | break; | |
| 1810 | case OUMINUS: | |
| 1811 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1812 | numeric = 1; | |
| 1813 | break; | |
| 1814 | case OUPLUS: | |
| 1815 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1816 | numeric = 1; | |
| 1817 | break; | |
| 1818 | case OPAREN: | |
| 1819 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1820 | numeric |= numarg; | |
| 1821 | break; | |
| 1822 | case OGETLINE: | |
| 1823 | break; | |
| 1824 | case OSPRINTF: | |
| 1825 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1826 | break; | |
| 1827 | case OSUBSTR: | |
| 1828 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1829 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1830 | if (len == 3) { | |
| 1831 | prewalk(1,level,ops[node+3].ival,&numarg); | |
| 1832 | } | |
| 1833 | break; | |
| 1834 | case OSTRING: | |
| 1835 | break; | |
| 1836 | case OSPLIT: | |
| 1837 | numeric = 1; | |
| 1838 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1839 | if (len == 3) | |
| 1840 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1841 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1842 | break; | |
| 1843 | case OINDEX: | |
| 1844 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1845 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1846 | numeric = 1; | |
| 1847 | break; | |
| a687059c LW |
1848 | case OMATCH: |
| 1849 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1850 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1851 | numeric = 1; | |
| 1852 | break; | |
| 1853 | case OUSERDEF: | |
| 1854 | subretnum = FALSE; | |
| 1855 | --level; | |
| 1856 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1857 | ++level; | |
| 1858 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1859 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1860 | prewalk(0,level,ops[node+5].ival,&numarg); | |
| 1861 | --level; | |
| 1862 | str_cat(tmpstr,"("); | |
| 1863 | tmp2str = str_new(0); | |
| 1864 | if (subretnum || numarg) | |
| 1865 | str_set(tmp2str,"1"); | |
| 1866 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 1867 | str_free(tmpstr); | |
| 1868 | level++; | |
| 1869 | break; | |
| 1870 | case ORETURN: | |
| 1871 | if (len > 0) { | |
| 1872 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1873 | if (numarg) | |
| 1874 | subretnum = TRUE; | |
| 1875 | } | |
| 1876 | break; | |
| 1877 | case OUSERFUN: | |
| 1878 | tmp2str = str_new(0); | |
| 1879 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 663a0e37 | 1880 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
| a687059c LW |
1881 | str_free(tmpstr); |
| 1882 | str_cat(tmp2str,"("); | |
| 1883 | tmpstr = hfetch(symtab,tmp2str->str_ptr); | |
| 1884 | if (tmpstr && tmpstr->str_ptr) | |
| 1885 | numeric |= atoi(tmpstr->str_ptr); | |
| 1886 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1887 | str_free(tmp2str); | |
| 1888 | break; | |
| 1889 | case OGSUB: | |
| 1890 | case OSUB: | |
| 1891 | if (len >= 3) | |
| 1892 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1893 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); | |
| 1894 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1895 | numeric = 1; | |
| 1896 | break; | |
| 8d063cd8 LW |
1897 | case ONUM: |
| 1898 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1899 | numeric = 1; | |
| 1900 | break; | |
| 1901 | case OSTR: | |
| 1902 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1903 | break; | |
| a687059c LW |
1904 | case ODEFINED: |
| 1905 | case ODELETE: | |
| 1906 | case OSTAR: | |
| 8d063cd8 LW |
1907 | case OVAR: |
| 1908 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1909 | if (len == 1) { | |
| 1910 | if (numit) | |
| 1911 | numericize(node); | |
| 1912 | } | |
| 1913 | else { | |
| 1914 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1915 | } | |
| 1916 | break; | |
| 1917 | case OFLD: | |
| 1918 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1919 | break; | |
| 1920 | case OVFLD: | |
| 1921 | i = ops[node+1].ival; | |
| 1922 | prewalk(0,level,i,&numarg); | |
| 1923 | break; | |
| 1924 | case OJUNK: | |
| 1925 | goto def; | |
| 1926 | case OSNEWLINE: | |
| 1927 | break; | |
| 1928 | case ONEWLINE: | |
| 1929 | break; | |
| 1930 | case OSCOMMENT: | |
| 1931 | break; | |
| 1932 | case OCOMMENT: | |
| 1933 | break; | |
| 1934 | case OCOMMA: | |
| 1935 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1936 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| a687059c | 1937 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 8d063cd8 LW |
1938 | break; |
| 1939 | case OSEMICOLON: | |
| 1940 | break; | |
| 1941 | case OSTATES: | |
| 1942 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1943 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1944 | break; | |
| 1945 | case OSTATE: | |
| 1946 | if (len >= 1) { | |
| 1947 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1948 | if (len >= 2) { | |
| 1949 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1950 | } | |
| 1951 | } | |
| 1952 | break; | |
| a687059c LW |
1953 | case OCLOSE: |
| 1954 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1955 | break; | |
| 8d063cd8 LW |
1956 | case OPRINTF: |
| 1957 | case OPRINT: | |
| 1958 | if (len == 3) { /* output redirection */ | |
| 1959 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1960 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1961 | } | |
| 1962 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); | |
| 1963 | break; | |
| a687059c LW |
1964 | case ORAND: |
| 1965 | break; | |
| 1966 | case OSRAND: | |
| 1967 | goto maybe0; | |
| 1968 | case OATAN2: | |
| 1969 | goto maybe0; | |
| 1970 | case OSIN: | |
| 1971 | goto maybe0; | |
| 1972 | case OCOS: | |
| 1973 | goto maybe0; | |
| 1974 | case OSYSTEM: | |
| 1975 | goto maybe0; | |
| 8d063cd8 LW |
1976 | case OLENGTH: |
| 1977 | goto maybe0; | |
| 1978 | case OLOG: | |
| 1979 | goto maybe0; | |
| 1980 | case OEXP: | |
| 1981 | goto maybe0; | |
| 1982 | case OSQRT: | |
| 1983 | goto maybe0; | |
| 1984 | case OINT: | |
| 1985 | maybe0: | |
| 1986 | numeric = 1; | |
| 1987 | if (len > 0) | |
| a687059c LW |
1988 | prewalk(type != OLENGTH && type != OSYSTEM, |
| 1989 | level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
1990 | break; |
| 1991 | case OBREAK: | |
| 1992 | break; | |
| 1993 | case ONEXT: | |
| 1994 | break; | |
| 1995 | case OEXIT: | |
| 1996 | if (len == 1) { | |
| 1997 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1998 | } | |
| 1999 | break; | |
| 2000 | case OCONTINUE: | |
| 2001 | break; | |
| 2002 | case OREDIR: | |
| 2003 | goto def; | |
| 2004 | case OIF: | |
| 2005 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2006 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2007 | if (len == 3) { | |
| 2008 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 2009 | } | |
| 2010 | break; | |
| 2011 | case OWHILE: | |
| 2012 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2013 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2014 | break; | |
| 2015 | case OFOR: | |
| 2016 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2017 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2018 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 2019 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 2020 | break; | |
| 2021 | case OFORIN: | |
| 2022 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2023 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
2024 | break; |
| 2025 | case OBLOCK: | |
| 2026 | if (len == 2) { | |
| 2027 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2028 | } | |
| 2029 | ++level; | |
| 2030 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2031 | --level; | |
| 2032 | break; | |
| 2033 | default: | |
| 2034 | def: | |
| 2035 | if (len) { | |
| 2036 | if (len > 5) | |
| 2037 | fatal("Garbage length in prewalk"); | |
| 2038 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2039 | for (i = 2; i<= len; i++) { | |
| 2040 | prewalk(0,level,ops[node+i].ival,&numarg); | |
| 2041 | } | |
| 2042 | } | |
| 2043 | break; | |
| 2044 | } | |
| 2045 | *numericptr = numeric; | |
| 2046 | return 1; | |
| 2047 | } | |
| 2048 | ||
| 748a9306 | 2049 | static void |
| f0f333f4 | 2050 | numericize(register int node) |
| 8d063cd8 LW |
2051 | { |
| 2052 | register int len; | |
| 2053 | register int type; | |
| 8d063cd8 LW |
2054 | STR *tmpstr; |
| 2055 | STR *tmp2str; | |
| 2056 | int numarg; | |
| 2057 | ||
| 2058 | type = ops[node].ival; | |
| 2059 | len = type >> 8; | |
| 2060 | type &= 255; | |
| 2061 | if (type == OVAR && len == 1) { | |
| a687059c | 2062 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
2063 | tmp2str = str_make("1"); |
| 2064 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 2065 | } | |
| 2066 | } |