https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| 8665f9e4 | 1 | /* walk.c |
| a687059c | 2 | * |
| 4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, |
| 07409e01 | 4 | * 2000, 2001, 2002, 2005 by Larry Wall and others |
| a687059c | 5 | * |
| d48672a2 LW |
6 | * You may distribute under the terms of either the GNU General Public |
| 7 | * License or the Artistic License, as specified in the README file. | |
| 8d063cd8 LW |
8 | */ |
| 9 | ||
| 8d063cd8 | 10 | #include "EXTERN.h" |
| 8d063cd8 | 11 | #include "a2p.h" |
| 9c8d0b29 | 12 | #include "util.h" |
| 8d063cd8 LW |
13 | |
| 14 | bool exitval = FALSE; | |
| 15 | bool realexit = FALSE; | |
| 378cc40b | 16 | bool saw_getline = FALSE; |
| a687059c LW |
17 | bool subretnum = FALSE; |
| 18 | bool saw_FNR = FALSE; | |
| 19 | bool saw_argv0 = FALSE; | |
| d48672a2 | 20 | bool saw_fh = FALSE; |
| 8d063cd8 | 21 | int maxtmp = 0; |
| aab39148 RB |
22 | const char *lparen; |
| 23 | const char *rparen; | |
| 24 | const char *limit; | |
| a687059c | 25 | STR *subs; |
| d34ed59f | 26 | STR *curargs = NULL; |
| 8d063cd8 | 27 | |
| 20ce7b12 GS |
28 | static void addsemi ( STR *str ); |
| 29 | static void emit_split ( STR *str, int level ); | |
| 30 | static void fixtab ( STR *str, int lvl ); | |
| 31 | static void numericize ( int node ); | |
| 32 | static void tab ( STR *str, int lvl ); | |
| 56febc5e | 33 | |
| 20ce7b12 GS |
34 | int prewalk ( int numit, int level, int node, int *numericptr ); |
| 35 | STR * walk ( int useval, int level, int node, int *numericptr, int minprec ); | |
| 011f1a1a JH |
36 | #ifdef NETWARE |
| 37 | char *savestr(char *str); | |
| 38 | char *cpytill(register char *to, register char *from, register int delim); | |
| aab39148 | 39 | char *instr(char *big, const char *little); |
| 011f1a1a | 40 | #endif |
| 9c8d0b29 | 41 | |
| 8d063cd8 | 42 | STR * |
| f0f333f4 | 43 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
| 8d063cd8 LW |
44 | { |
| 45 | register int len; | |
| 46 | register STR *str; | |
| 47 | register int type; | |
| 48 | register int i; | |
| 49 | register STR *tmpstr; | |
| 50 | STR *tmp2str; | |
| a687059c | 51 | STR *tmp3str; |
| 8d063cd8 | 52 | char *t; |
| 0335b3e4 | 53 | char *d, *s; |
| 8d063cd8 LW |
54 | int numarg; |
| 55 | int numeric = FALSE; | |
| 56 | STR *fstr; | |
| a687059c | 57 | int prec = P_MAX; /* assume no parens needed */ |
| 8d063cd8 LW |
58 | |
| 59 | if (!node) { | |
| 60 | *numericptr = 0; | |
| 61 | return str_make(""); | |
| 62 | } | |
| 63 | type = ops[node].ival; | |
| 64 | len = type >> 8; | |
| 65 | type &= 255; | |
| 66 | switch (type) { | |
| 67 | case OPROG: | |
| d48672a2 LW |
68 | arymax = 0; |
| 69 | if (namelist) { | |
| 3f939f22 | 70 | while (isALPHA(*namelist)) { |
| d48672a2 | 71 | for (d = tokenbuf,s=namelist; |
| 3f939f22 | 72 | isALPHA(*s) || isDIGIT(*s) || *s == '_'; |
| d48672a2 LW |
73 | *d++ = *s++) ; |
| 74 | *d = '\0'; | |
| 3f939f22 | 75 | while (*s && !isALPHA(*s)) s++; |
| d48672a2 LW |
76 | namelist = s; |
| 77 | nameary[++arymax] = savestr(tokenbuf); | |
| 78 | } | |
| 79 | } | |
| 80 | if (maxfld < arymax) | |
| 81 | maxfld = arymax; | |
| 8d063cd8 | 82 | opens = str_new(0); |
| a687059c LW |
83 | subs = str_new(0); |
| 84 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
85 | if (do_split && need_entire && !absmaxfld) |
| 86 | split_to_array = TRUE; | |
| 8d063cd8 LW |
87 | if (fswitch && !const_FS) |
| 88 | const_FS = fswitch; | |
| 89 | if (saw_FS > 1 || saw_RS) | |
| 90 | const_FS = 0; | |
| 91 | if (saw_ORS && need_entire) | |
| 92 | do_chop = TRUE; | |
| 93 | if (fswitch) { | |
| 94 | str_cat(str,"$FS = '"); | |
| a0d0e21e | 95 | if (strchr("*+?.[]()|^$\\",fswitch)) |
| 8d063cd8 LW |
96 | str_cat(str,"\\"); |
| 97 | sprintf(tokenbuf,"%c",fswitch); | |
| 98 | str_cat(str,tokenbuf); | |
| 99 | str_cat(str,"';\t\t# field separator from -F switch\n"); | |
| 100 | } | |
| 101 | else if (saw_FS && !const_FS) { | |
| 9bb9d9f7 | 102 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
| 8d063cd8 LW |
103 | } |
| 104 | if (saw_OFS) { | |
| a559c259 | 105 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
| 8d063cd8 LW |
106 | } |
| 107 | if (saw_ORS) { | |
| a559c259 | 108 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
| 8d063cd8 | 109 | } |
| a687059c LW |
110 | if (saw_argv0) { |
| 111 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); | |
| 112 | } | |
| 8d063cd8 LW |
113 | if (str->str_cur > 20) |
| 114 | str_cat(str,"\n"); | |
| 115 | if (ops[node+2].ival) { | |
| a687059c | 116 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
117 | str_free(fstr); |
| 118 | str_cat(str,"\n\n"); | |
| 119 | } | |
| a687059c LW |
120 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
| 121 | if (*fstr->str_ptr) { | |
| 122 | if (saw_line_op) | |
| 123 | str_cat(str,"line: "); | |
| 124 | str_cat(str,"while (<>) {\n"); | |
| 125 | tab(str,++level); | |
| 126 | if (saw_FS && !const_FS) | |
| 127 | do_chop = TRUE; | |
| 128 | if (do_chop) { | |
| 7bdaec8a | 129 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c | 130 | tab(str,level); |
| 8d063cd8 | 131 | } |
| a687059c LW |
132 | if (do_split) |
| 133 | emit_split(str,level); | |
| 134 | str_scat(str,fstr); | |
| 135 | str_free(fstr); | |
| 136 | fixtab(str,--level); | |
| 137 | str_cat(str,"}\n"); | |
| 138 | if (saw_FNR) | |
| 139 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); | |
| 8d063cd8 | 140 | } |
| a5571d59 | 141 | else if (old_awk) |
| ae986130 | 142 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
| 8d063cd8 LW |
143 | if (ops[node+4].ival) { |
| 144 | realexit = TRUE; | |
| 145 | str_cat(str,"\n"); | |
| 146 | tab(str,level); | |
| a687059c | 147 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
148 | str_free(fstr); |
| 149 | str_cat(str,"\n"); | |
| 150 | } | |
| 151 | if (exitval) | |
| 9f68db38 | 152 | str_cat(str,"exit $ExitValue;\n"); |
| a687059c LW |
153 | if (subs->str_ptr) { |
| 154 | str_cat(str,"\n"); | |
| 155 | str_scat(str,subs); | |
| 156 | } | |
| 378cc40b | 157 | if (saw_getline) { |
| a687059c LW |
158 | for (len = 0; len < 4; len++) { |
| 159 | if (saw_getline & (1 << len)) { | |
| 160 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); | |
| 161 | str_cat(str, tokenbuf); | |
| 162 | if (len & 2) { | |
| 163 | if (do_fancy_opens) | |
| 164 | str_cat(str," &Pick('',@_);\n"); | |
| 165 | else | |
| 166 | str_cat(str," ($fh) = @_;\n"); | |
| 167 | } | |
| 168 | else { | |
| 169 | if (saw_FNR) | |
| 170 | str_cat(str," $FNRbase = $. if eof;\n"); | |
| 171 | } | |
| 172 | if (len & 1) | |
| 62b28dd9 | 173 | str_cat(str," local($_);\n"); |
| a687059c LW |
174 | if (len & 2) |
| 175 | str_cat(str, | |
| 176 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); | |
| 177 | else | |
| 178 | str_cat(str, | |
| 179 | " if ($getline_ok = (($_ = <>) ne ''))"); | |
| 180 | str_cat(str, " {\n"); | |
| 181 | level += 2; | |
| 182 | tab(str,level); | |
| 183 | i = 0; | |
| 184 | if (do_chop) { | |
| 185 | i++; | |
| 7bdaec8a | 186 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c LW |
187 | tab(str,level); |
| 188 | } | |
| 189 | if (do_split && !(len & 1)) { | |
| 190 | i++; | |
| 191 | emit_split(str,level); | |
| 192 | } | |
| 193 | if (!i) | |
| 194 | str_cat(str,";\n"); | |
| 195 | fixtab(str,--level); | |
| 196 | str_cat(str,"}\n $_;\n}\n"); | |
| 197 | --level; | |
| 198 | } | |
| 378cc40b | 199 | } |
| 378cc40b | 200 | } |
| 8d063cd8 LW |
201 | if (do_fancy_opens) { |
| 202 | str_cat(str,"\n\ | |
| 203 | sub Pick {\n\ | |
| a687059c | 204 | local($mode,$name,$pipe) = @_;\n\ |
| 7c0587c8 LW |
205 | $fh = $name;\n\ |
| 206 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ | |
| 8d063cd8 LW |
207 | }\n\ |
| 208 | "); | |
| 209 | } | |
| 210 | break; | |
| 211 | case OHUNKS: | |
| a687059c LW |
212 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 213 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
214 | str_free(fstr); |
| 215 | if (len == 3) { | |
| a687059c | 216 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
217 | str_free(fstr); |
| 218 | } | |
| 219 | else { | |
| 220 | } | |
| 221 | break; | |
| 222 | case ORANGE: | |
| a687059c LW |
223 | prec = P_DOTDOT; |
| 224 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 | 225 | str_cat(str," .. "); |
| a687059c | 226 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
227 | str_free(fstr); |
| 228 | break; | |
| 229 | case OPAT: | |
| 230 | goto def; | |
| 231 | case OREGEX: | |
| 232 | str = str_new(0); | |
| 233 | str_set(str,"/"); | |
| a687059c | 234 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
235 | /* translate \nnn to [\nnn] */ |
| 236 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { | |
| 3f939f22 | 237 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){ |
| 8d063cd8 LW |
238 | *d++ = '['; |
| 239 | *d++ = *s++; | |
| 240 | *d++ = *s++; | |
| 241 | *d++ = *s++; | |
| 242 | *d++ = *s; | |
| 243 | *d = ']'; | |
| 244 | } | |
| 245 | else | |
| 246 | *d = *s; | |
| 247 | } | |
| 248 | *d = '\0'; | |
| 378cc40b | 249 | for (d=tokenbuf; *d; d++) |
| c5cf9ec2 | 250 | *d += (char)128; |
| 8d063cd8 LW |
251 | str_cat(str,tokenbuf); |
| 252 | str_free(tmpstr); | |
| 253 | str_cat(str,"/"); | |
| 254 | break; | |
| 255 | case OHUNK: | |
| 256 | if (len == 1) { | |
| 257 | str = str_new(0); | |
| a687059c | 258 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
| 8d063cd8 | 259 | str_cat(str," if "); |
| a687059c | 260 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
261 | str_free(fstr); |
| 262 | str_cat(str,";"); | |
| 263 | } | |
| 264 | else { | |
| a687059c | 265 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
266 | if (*tmpstr->str_ptr) { |
| 267 | str = str_new(0); | |
| 268 | str_set(str,"if ("); | |
| 269 | str_scat(str,tmpstr); | |
| 270 | str_cat(str,") {\n"); | |
| 271 | tab(str,++level); | |
| a687059c | 272 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
273 | str_free(fstr); |
| 274 | fixtab(str,--level); | |
| 275 | str_cat(str,"}\n"); | |
| 276 | tab(str,level); | |
| 277 | } | |
| 278 | else { | |
| a687059c | 279 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
280 | } |
| 281 | } | |
| 282 | break; | |
| 283 | case OPPAREN: | |
| 284 | str = str_new(0); | |
| 285 | str_set(str,"("); | |
| a687059c | 286 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
287 | str_free(fstr); |
| 288 | str_cat(str,")"); | |
| 289 | break; | |
| 290 | case OPANDAND: | |
| a687059c LW |
291 | prec = P_ANDAND; |
| 292 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 293 | str_cat(str," && "); |
| a687059c LW |
294 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 295 | str_free(fstr); | |
| 296 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
297 | str_free(fstr); |
| 298 | break; | |
| 299 | case OPOROR: | |
| a687059c LW |
300 | prec = P_OROR; |
| 301 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 302 | str_cat(str," || "); |
| a687059c LW |
303 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 304 | str_free(fstr); | |
| 305 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
306 | str_free(fstr); |
| 307 | break; | |
| 308 | case OPNOT: | |
| a687059c | 309 | prec = P_UNARY; |
| 8d063cd8 LW |
310 | str = str_new(0); |
| 311 | str_set(str,"!"); | |
| a687059c | 312 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
313 | str_free(fstr); |
| 314 | break; | |
| 62b28dd9 LW |
315 | case OCOND: |
| 316 | prec = P_COND; | |
| 317 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 318 | str_cat(str," ? "); | |
| 319 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); | |
| 320 | str_free(fstr); | |
| 321 | str_cat(str," : "); | |
| 322 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 323 | str_free(fstr); | |
| 324 | break; | |
| 8d063cd8 LW |
325 | case OCPAREN: |
| 326 | str = str_new(0); | |
| 327 | str_set(str,"("); | |
| a687059c | 328 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
329 | str_free(fstr); |
| 330 | numeric |= numarg; | |
| 331 | str_cat(str,")"); | |
| 332 | break; | |
| 333 | case OCANDAND: | |
| a687059c LW |
334 | prec = P_ANDAND; |
| 335 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
336 | numeric = 1; |
| 337 | str_cat(str," && "); | |
| a687059c LW |
338 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 339 | str_free(fstr); | |
| 340 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
341 | str_free(fstr); |
| 342 | break; | |
| 343 | case OCOROR: | |
| a687059c LW |
344 | prec = P_OROR; |
| 345 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
346 | numeric = 1; |
| 347 | str_cat(str," || "); | |
| a687059c LW |
348 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 349 | str_free(fstr); | |
| 350 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
351 | str_free(fstr); |
| 352 | break; | |
| 353 | case OCNOT: | |
| a687059c | 354 | prec = P_UNARY; |
| 8d063cd8 LW |
355 | str = str_new(0); |
| 356 | str_set(str,"!"); | |
| a687059c | 357 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
358 | str_free(fstr); |
| 359 | numeric = 1; | |
| 360 | break; | |
| 361 | case ORELOP: | |
| a687059c LW |
362 | prec = P_REL; |
| 363 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 364 | numeric |= numarg; |
| a687059c LW |
365 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 366 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); | |
| 8d063cd8 | 367 | numeric |= numarg; |
| a687059c LW |
368 | if (!numeric || |
| 369 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { | |
| 8d063cd8 LW |
370 | t = tmpstr->str_ptr; |
| 371 | if (strEQ(t,"==")) | |
| 372 | str_set(tmpstr,"eq"); | |
| 373 | else if (strEQ(t,"!=")) | |
| 374 | str_set(tmpstr,"ne"); | |
| 375 | else if (strEQ(t,"<")) | |
| 376 | str_set(tmpstr,"lt"); | |
| 377 | else if (strEQ(t,"<=")) | |
| 378 | str_set(tmpstr,"le"); | |
| 379 | else if (strEQ(t,">")) | |
| 380 | str_set(tmpstr,"gt"); | |
| 381 | else if (strEQ(t,">=")) | |
| 382 | str_set(tmpstr,"ge"); | |
| a0d0e21e LW |
383 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
| 384 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) | |
| 8d063cd8 LW |
385 | numeric |= 2; |
| 386 | } | |
| 387 | if (numeric & 2) { | |
| 388 | if (numeric & 1) /* numeric is very good guess */ | |
| 389 | str_cat(str," "); | |
| 390 | else | |
| 391 | str_cat(str,"\377"); | |
| 392 | numeric = 1; | |
| 393 | } | |
| 394 | else | |
| 395 | str_cat(str," "); | |
| 396 | str_scat(str,tmpstr); | |
| 397 | str_free(tmpstr); | |
| 398 | str_cat(str," "); | |
| 399 | str_scat(str,tmp2str); | |
| 400 | str_free(tmp2str); | |
| 401 | numeric = 1; | |
| 402 | break; | |
| 403 | case ORPAREN: | |
| 404 | str = str_new(0); | |
| 405 | str_set(str,"("); | |
| a687059c | 406 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
407 | str_free(fstr); |
| 408 | numeric |= numarg; | |
| 409 | str_cat(str,")"); | |
| 410 | break; | |
| 411 | case OMATCHOP: | |
| a687059c LW |
412 | prec = P_MATCH; |
| 413 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 414 | str_cat(str," "); |
| a687059c | 415 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
416 | if (strEQ(tmpstr->str_ptr,"~")) |
| 417 | str_cat(str,"=~"); | |
| 418 | else { | |
| 419 | str_scat(str,tmpstr); | |
| 420 | str_free(tmpstr); | |
| 421 | } | |
| 422 | str_cat(str," "); | |
| a687059c | 423 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
424 | str_free(fstr); |
| 425 | numeric = 1; | |
| 426 | break; | |
| 427 | case OMPAREN: | |
| 428 | str = str_new(0); | |
| 429 | str_set(str,"("); | |
| a687059c LW |
430 | str_scat(str, |
| 431 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
432 | str_free(fstr); |
| 433 | numeric |= numarg; | |
| 434 | str_cat(str,")"); | |
| 435 | break; | |
| 436 | case OCONCAT: | |
| a687059c LW |
437 | prec = P_ADD; |
| 438 | type = ops[ops[node+1].ival].ival & 255; | |
| 439 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); | |
| 8d063cd8 | 440 | str_cat(str," . "); |
| a687059c LW |
441 | type = ops[ops[node+2].ival].ival & 255; |
| 442 | str_scat(str, | |
| 443 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); | |
| 8d063cd8 LW |
444 | str_free(fstr); |
| 445 | break; | |
| 446 | case OASSIGN: | |
| a687059c LW |
447 | prec = P_ASSIGN; |
| 448 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 449 | str_cat(str," "); |
| a687059c | 450 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
451 | str_scat(str,tmpstr); |
| 452 | if (str_len(tmpstr) > 1) | |
| 453 | numeric = 1; | |
| 454 | str_free(tmpstr); | |
| 455 | str_cat(str," "); | |
| a687059c | 456 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
| 8d063cd8 LW |
457 | str_free(fstr); |
| 458 | numeric |= numarg; | |
| 7c0587c8 LW |
459 | if (strEQ(str->str_ptr,"$/ = ''")) |
| 460 | str_set(str, "$/ = \"\\n\\n\""); | |
| 8d063cd8 LW |
461 | break; |
| 462 | case OADD: | |
| a687059c LW |
463 | prec = P_ADD; |
| 464 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 465 | str_cat(str," + "); |
| a687059c | 466 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
467 | str_free(fstr); |
| 468 | numeric = 1; | |
| 469 | break; | |
| a687059c LW |
470 | case OSUBTRACT: |
| 471 | prec = P_ADD; | |
| 472 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 473 | str_cat(str," - "); |
| a687059c | 474 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
475 | str_free(fstr); |
| 476 | numeric = 1; | |
| 477 | break; | |
| 478 | case OMULT: | |
| a687059c LW |
479 | prec = P_MUL; |
| 480 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 481 | str_cat(str," * "); |
| a687059c | 482 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
483 | str_free(fstr); |
| 484 | numeric = 1; | |
| 485 | break; | |
| 486 | case ODIV: | |
| a687059c LW |
487 | prec = P_MUL; |
| 488 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 489 | str_cat(str," / "); |
| a687059c LW |
490 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 491 | str_free(fstr); | |
| 492 | numeric = 1; | |
| 493 | break; | |
| 494 | case OPOW: | |
| 495 | prec = P_POW; | |
| 496 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 497 | str_cat(str," ** "); | |
| 498 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); | |
| 8d063cd8 LW |
499 | str_free(fstr); |
| 500 | numeric = 1; | |
| 501 | break; | |
| 502 | case OMOD: | |
| a687059c LW |
503 | prec = P_MUL; |
| 504 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 505 | str_cat(str," % "); |
| a687059c | 506 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
507 | str_free(fstr); |
| 508 | numeric = 1; | |
| 509 | break; | |
| 510 | case OPOSTINCR: | |
| a687059c LW |
511 | prec = P_AUTO; |
| 512 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
513 | str_cat(str,"++"); |
| 514 | numeric = 1; | |
| 515 | break; | |
| 516 | case OPOSTDECR: | |
| a687059c LW |
517 | prec = P_AUTO; |
| 518 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
519 | str_cat(str,"--"); |
| 520 | numeric = 1; | |
| 521 | break; | |
| 522 | case OPREINCR: | |
| a687059c | 523 | prec = P_AUTO; |
| 8d063cd8 LW |
524 | str = str_new(0); |
| 525 | str_set(str,"++"); | |
| a687059c | 526 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
527 | str_free(fstr); |
| 528 | numeric = 1; | |
| 529 | break; | |
| 530 | case OPREDECR: | |
| a687059c | 531 | prec = P_AUTO; |
| 8d063cd8 LW |
532 | str = str_new(0); |
| 533 | str_set(str,"--"); | |
| a687059c | 534 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
535 | str_free(fstr); |
| 536 | numeric = 1; | |
| 537 | break; | |
| 538 | case OUMINUS: | |
| a687059c | 539 | prec = P_UNARY; |
| 8d063cd8 LW |
540 | str = str_new(0); |
| 541 | str_set(str,"-"); | |
| a687059c | 542 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
543 | str_free(fstr); |
| 544 | numeric = 1; | |
| 545 | break; | |
| 546 | case OUPLUS: | |
| 547 | numeric = 1; | |
| 548 | goto def; | |
| 549 | case OPAREN: | |
| 550 | str = str_new(0); | |
| 551 | str_set(str,"("); | |
| a687059c LW |
552 | str_scat(str, |
| 553 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
554 | str_free(fstr); |
| 555 | str_cat(str,")"); | |
| 556 | numeric |= numarg; | |
| 557 | break; | |
| 558 | case OGETLINE: | |
| 559 | str = str_new(0); | |
| a687059c LW |
560 | if (useval) |
| 561 | str_cat(str,"("); | |
| 562 | if (len > 0) { | |
| a687059c LW |
563 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 564 | if (!*fstr->str_ptr) { | |
| 7c0587c8 | 565 | str_cat(str,"$_"); |
| a687059c LW |
566 | len = 2; /* a legal fiction */ |
| 567 | } | |
| 568 | str_free(fstr); | |
| 569 | } | |
| 570 | else | |
| 571 | str_cat(str,"$_"); | |
| 572 | if (len > 1) { | |
| 573 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); | |
| 574 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 575 | if (!do_fancy_opens) { | |
| 576 | t = tmpstr->str_ptr; | |
| 577 | if (*t == '"' || *t == '\'') | |
| 578 | t = cpytill(tokenbuf,t+1,*t); | |
| 579 | else | |
| 580 | fatal("Internal error: OGETLINE %s", t); | |
| 581 | d = savestr(t); | |
| 582 | s = savestr(tokenbuf); | |
| 583 | for (t = tokenbuf; *t; t++) { | |
| 584 | *t &= 127; | |
| 3f939f22 JH |
585 | if (isLOWER(*t)) |
| 586 | *t = toUPPER(*t); | |
| 587 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| a687059c LW |
588 | *t = '_'; |
| 589 | } | |
| a0d0e21e | 590 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 591 | strcpy(t,"_FH"); |
| a687059c LW |
592 | tmp3str = hfetch(symtab,tokenbuf); |
| 593 | if (!tmp3str) { | |
| 594 | do_opens = TRUE; | |
| 595 | str_cat(opens,"open("); | |
| 596 | str_cat(opens,tokenbuf); | |
| 597 | str_cat(opens,", "); | |
| 598 | d[1] = '\0'; | |
| 599 | str_cat(opens,d); | |
| 600 | str_cat(opens,tmpstr->str_ptr+1); | |
| 601 | opens->str_cur--; | |
| 602 | if (*fstr->str_ptr == '|') | |
| 603 | str_cat(opens,"|"); | |
| 604 | str_cat(opens,d); | |
| 605 | if (*fstr->str_ptr == '|') | |
| 606 | str_cat(opens,") || die 'Cannot pipe from \""); | |
| 607 | else | |
| 608 | str_cat(opens,") || die 'Cannot open file \""); | |
| 609 | if (*d == '"') | |
| 610 | str_cat(opens,"'.\""); | |
| 611 | str_cat(opens,s); | |
| 612 | if (*d == '"') | |
| 613 | str_cat(opens,"\".'"); | |
| 614 | str_cat(opens,"\".';\n"); | |
| 615 | hstore(symtab,tokenbuf,str_make("x")); | |
| 616 | } | |
| 617 | safefree(s); | |
| 618 | safefree(d); | |
| 619 | str_set(tmpstr,"'"); | |
| 620 | str_cat(tmpstr,tokenbuf); | |
| 621 | str_cat(tmpstr,"'"); | |
| 622 | } | |
| 623 | if (*fstr->str_ptr == '|') | |
| 624 | str_cat(tmpstr,", '|'"); | |
| 625 | str_free(fstr); | |
| 626 | } | |
| 627 | else | |
| 628 | tmpstr = str_make(""); | |
| 629 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); | |
| 630 | str_cat(str,tokenbuf); | |
| 631 | str_free(tmpstr); | |
| 632 | if (useval) | |
| 633 | str_cat(str,",$getline_ok)"); | |
| 634 | saw_getline |= 1 << len; | |
| 8d063cd8 LW |
635 | break; |
| 636 | case OSPRINTF: | |
| 637 | str = str_new(0); | |
| 638 | str_set(str,"sprintf("); | |
| a687059c | 639 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
640 | str_free(fstr); |
| 641 | str_cat(str,")"); | |
| 642 | break; | |
| 643 | case OSUBSTR: | |
| 644 | str = str_new(0); | |
| 645 | str_set(str,"substr("); | |
| a687059c | 646 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 | 647 | str_free(fstr); |
| 19720b39 | 648 | str_cat(str,", ("); |
| a687059c | 649 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 | 650 | str_free(fstr); |
| 19720b39 | 651 | str_cat(str,")-1"); |
| 8d063cd8 | 652 | if (len == 3) { |
| 4cec2b33 | 653 | str_cat(str,", "); |
| a687059c | 654 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
655 | str_free(fstr); |
| 656 | } | |
| 8d063cd8 LW |
657 | str_cat(str,")"); |
| 658 | break; | |
| 659 | case OSTRING: | |
| 660 | str = str_new(0); | |
| 661 | str_set(str,ops[node+1].cval); | |
| 662 | break; | |
| 663 | case OSPLIT: | |
| 664 | str = str_new(0); | |
| 4cec2b33 | 665 | limit = ", -1)"; |
| 8d063cd8 | 666 | numeric = 1; |
| a687059c | 667 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
668 | if (useval) |
| 669 | str_set(str,"(@"); | |
| 670 | else | |
| 671 | str_set(str,"@"); | |
| 672 | str_scat(str,tmpstr); | |
| 673 | str_cat(str," = split("); | |
| 674 | if (len == 3) { | |
| a687059c | 675 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
| 8d063cd8 LW |
676 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
| 677 | i = fstr->str_ptr[1] & 127; | |
| a0d0e21e | 678 | if (strchr("*+?.[]()|^$\\",i)) |
| 8d063cd8 | 679 | sprintf(tokenbuf,"/\\%c/",i); |
| 20188a90 | 680 | else if (i == ' ') |
| 62b28dd9 | 681 | sprintf(tokenbuf,"' '"); |
| 8d063cd8 LW |
682 | else |
| 683 | sprintf(tokenbuf,"/%c/",i); | |
| 684 | str_cat(str,tokenbuf); | |
| 685 | } | |
| 686 | else | |
| 687 | str_scat(str,fstr); | |
| 688 | str_free(fstr); | |
| 689 | } | |
| 690 | else if (const_FS) { | |
| 691 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); | |
| 692 | str_cat(str,tokenbuf); | |
| 693 | } | |
| 694 | else if (saw_FS) | |
| 695 | str_cat(str,"$FS"); | |
| 55204971 | 696 | else { |
| 9bb9d9f7 | 697 | str_cat(str,"' '"); |
| 55204971 LW |
698 | limit = ")"; |
| 699 | } | |
| 8d063cd8 | 700 | str_cat(str,", "); |
| a687059c | 701 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 | 702 | str_free(fstr); |
| 55204971 | 703 | str_cat(str,limit); |
| 8d063cd8 LW |
704 | if (useval) { |
| 705 | str_cat(str,")"); | |
| 706 | } | |
| 707 | str_free(tmpstr); | |
| 708 | break; | |
| 709 | case OINDEX: | |
| 710 | str = str_new(0); | |
| 19720b39 | 711 | str_set(str,"(1+index("); |
| a687059c | 712 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
713 | str_free(fstr); |
| 714 | str_cat(str,", "); | |
| a687059c | 715 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 | 716 | str_free(fstr); |
| 19720b39 | 717 | str_cat(str,"))"); |
| 8d063cd8 LW |
718 | numeric = 1; |
| 719 | break; | |
| a687059c LW |
720 | case OMATCH: |
| 721 | str = str_new(0); | |
| 722 | prec = P_ANDAND; | |
| 723 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); | |
| 724 | str_free(fstr); | |
| 725 | str_cat(str," =~ "); | |
| 726 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); | |
| 727 | str_free(fstr); | |
| 6cf72385 | 728 | str_cat(str," ? scalar($RLENGTH = length($&), $RSTART = length($`)+1) : 0"); |
| a687059c LW |
729 | numeric = 1; |
| 730 | break; | |
| 731 | case OUSERDEF: | |
| 732 | str = str_new(0); | |
| 733 | subretnum = FALSE; | |
| 734 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); | |
| 735 | curargs = str_new(0); | |
| 736 | str_sset(curargs,fstr); | |
| 737 | str_cat(curargs,","); | |
| 738 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); | |
| 739 | str_free(curargs); | |
| d34ed59f | 740 | curargs = NULL; |
| a687059c LW |
741 | level--; |
| 742 | subretnum |= numarg; | |
| d34ed59f | 743 | s = NULL; |
| a687059c | 744 | t = tmp2str->str_ptr; |
| b7953727 | 745 | while ((t = instr(t,"return "))) |
| a687059c LW |
746 | s = t++; |
| 747 | if (s) { | |
| 748 | i = 0; | |
| 749 | for (t = s+7; *t; t++) { | |
| 750 | if (*t == ';' || *t == '}') | |
| 751 | i++; | |
| 752 | } | |
| 753 | if (i == 1) { | |
| 754 | strcpy(s,s+7); | |
| 755 | tmp2str->str_cur -= 7; | |
| 756 | } | |
| 757 | } | |
| 758 | str_set(str,"\n"); | |
| 759 | tab(str,level); | |
| 760 | str_cat(str,"sub "); | |
| 761 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 762 | str_cat(str," {\n"); | |
| 763 | tab(str,++level); | |
| 764 | if (fstr->str_cur) { | |
| 765 | str_cat(str,"local("); | |
| 766 | str_scat(str,fstr); | |
| 767 | str_cat(str,") = @_;"); | |
| 768 | } | |
| 769 | str_free(fstr); | |
| 770 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); | |
| 771 | str_free(fstr); | |
| 772 | fixtab(str,level); | |
| 773 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); | |
| 774 | str_free(fstr); | |
| 775 | fixtab(str,level); | |
| 776 | str_scat(str,tmp2str); | |
| 777 | str_free(tmp2str); | |
| 778 | fixtab(str,--level); | |
| 779 | str_cat(str,"}\n"); | |
| 780 | tab(str,level); | |
| 781 | str_scat(subs,str); | |
| 782 | str_set(str,""); | |
| 783 | str_cat(tmpstr,"("); | |
| 784 | tmp2str = str_new(0); | |
| 785 | if (subretnum) | |
| 786 | str_set(tmp2str,"1"); | |
| 787 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 788 | str_free(tmpstr); | |
| 789 | level++; | |
| 790 | break; | |
| 791 | case ORETURN: | |
| 792 | str = str_new(0); | |
| 793 | if (len > 0) { | |
| 794 | str_cat(str,"return "); | |
| 795 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); | |
| 796 | str_free(fstr); | |
| 797 | if (numarg) | |
| 798 | subretnum = TRUE; | |
| 799 | } | |
| 800 | else | |
| 801 | str_cat(str,"return"); | |
| 802 | break; | |
| 803 | case OUSERFUN: | |
| 804 | str = str_new(0); | |
| 805 | str_set(str,"&"); | |
| 806 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 807 | str_free(fstr); | |
| 808 | str_cat(str,"("); | |
| 809 | tmpstr = hfetch(symtab,str->str_ptr+3); | |
| 810 | if (tmpstr && tmpstr->str_ptr) | |
| 811 | numeric |= atoi(tmpstr->str_ptr); | |
| 812 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 813 | str_free(fstr); | |
| 814 | str_cat(str,")"); | |
| 815 | break; | |
| 816 | case OGSUB: | |
| 0335b3e4 MB |
817 | case OSUB: { |
| 818 | int gsub = type == OGSUB ? 1 : 0; | |
| a687059c LW |
819 | str = str_new(0); |
| 820 | tmpstr = str_new(0); | |
| 821 | i = 0; | |
| 822 | if (len == 3) { | |
| 823 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); | |
| 824 | if (strNE(tmpstr->str_ptr,"$_")) { | |
| 825 | str_cat(tmpstr, " =~ s"); | |
| 826 | i++; | |
| 827 | } | |
| 828 | else | |
| 829 | str_set(tmpstr, "s"); | |
| 830 | } | |
| 831 | else | |
| 832 | str_set(tmpstr, "s"); | |
| 833 | type = ops[ops[node+2].ival].ival; | |
| 834 | len = type >> 8; | |
| 835 | type &= 255; | |
| 836 | tmp3str = str_new(0); | |
| aab39148 RB |
837 | { |
| 838 | const char *s; | |
| 839 | if (type == OSTR) { | |
| a687059c LW |
840 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); |
| 841 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { | |
| 842 | if (*t == '&') | |
| c5cf9ec2 | 843 | *d++ = '$' + (char)128; |
| 72a2bbbf | 844 | else if (*t == '$' || *t == '/') |
| c5cf9ec2 | 845 | *d++ = '\\' + (char)128; |
| a687059c LW |
846 | *d = *t + 128; |
| 847 | } | |
| 848 | *d = '\0'; | |
| 849 | str_set(tmp2str,tokenbuf); | |
| aab39148 RB |
850 | s = (gsub ? "/g" : "/"); |
| 851 | } | |
| 852 | else { | |
| a687059c LW |
853 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 854 | str_set(tmp3str,"($s_ = '\"'.("); | |
| 855 | str_scat(tmp3str,tmp2str); | |
| 856 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); | |
| 857 | str_set(tmp2str,"eval $s_"); | |
| aab39148 | 858 | s = (gsub ? "/ge" : "/e"); |
| a687059c | 859 | i++; |
| aab39148 RB |
860 | } |
| 861 | str_cat(tmp2str,s); | |
| a687059c LW |
862 | } |
| 863 | type = ops[ops[node+1].ival].ival; | |
| 864 | len = type >> 8; | |
| 865 | type &= 255; | |
| 866 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 867 | if (type == OREGEX) { | |
| 868 | if (useval && i) | |
| 869 | str_cat(str,"("); | |
| 870 | str_scat(str,tmp3str); | |
| 871 | str_scat(str,tmpstr); | |
| 872 | str_scat(str,fstr); | |
| 873 | str_scat(str,tmp2str); | |
| a687059c LW |
874 | } |
| 875 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { | |
| 876 | if (useval && i) | |
| 877 | str_cat(str,"("); | |
| 878 | str_scat(str,tmp3str); | |
| 879 | str_scat(str,tmpstr); | |
| 880 | str_cat(str,"/"); | |
| 881 | str_scat(str,fstr); | |
| 882 | str_cat(str,"/"); | |
| 883 | str_scat(str,tmp2str); | |
| a687059c LW |
884 | } |
| 885 | else { | |
| 886 | i++; | |
| 887 | if (useval) | |
| 888 | str_cat(str,"("); | |
| 889 | str_cat(str,"$s = "); | |
| 890 | str_scat(str,fstr); | |
| 891 | str_cat(str,", "); | |
| 892 | str_scat(str,tmp3str); | |
| 893 | str_scat(str,tmpstr); | |
| 894 | str_cat(str,"/$s/"); | |
| 895 | str_scat(str,tmp2str); | |
| a687059c LW |
896 | } |
| 897 | if (useval && i) | |
| 898 | str_cat(str,")"); | |
| 899 | str_free(fstr); | |
| 900 | str_free(tmpstr); | |
| 901 | str_free(tmp2str); | |
| 902 | str_free(tmp3str); | |
| 903 | numeric = 1; | |
| 0335b3e4 | 904 | break; } |
| 8d063cd8 | 905 | case ONUM: |
| a687059c | 906 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
907 | numeric = 1; |
| 908 | break; | |
| 909 | case OSTR: | |
| a687059c | 910 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| aab39148 RB |
911 | { |
| 912 | const char *s = "'"; | |
| 913 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { | |
| 378cc40b LW |
914 | if (*t == '\'') |
| 915 | s = "\""; | |
| 916 | else if (*t == '\\') { | |
| 8d063cd8 | 917 | s = "\""; |
| 378cc40b LW |
918 | *d++ = *t++ + 128; |
| 919 | switch (*t) { | |
| fe14fcc3 | 920 | case '\\': case '"': case 'n': case 't': case '$': |
| 378cc40b LW |
921 | break; |
| 922 | default: /* hide this from perl */ | |
| c5cf9ec2 | 923 | *d++ = '\\' + (char)128; |
| 378cc40b LW |
924 | } |
| 925 | } | |
| 926 | *d = *t + 128; | |
| aab39148 RB |
927 | } |
| 928 | *d = '\0'; | |
| 929 | str = str_new(0); | |
| 930 | str_set(str,s); | |
| 931 | str_cat(str,tokenbuf); | |
| 932 | str_free(tmpstr); | |
| 933 | str_cat(str,s); | |
| 8d063cd8 | 934 | } |
| 8d063cd8 | 935 | break; |
| a687059c LW |
936 | case ODEFINED: |
| 937 | prec = P_UNI; | |
| 938 | str = str_new(0); | |
| 939 | str_set(str,"defined $"); | |
| 940 | goto addvar; | |
| 941 | case ODELETE: | |
| 942 | str = str_new(0); | |
| 943 | str_set(str,"delete $"); | |
| 944 | goto addvar; | |
| 945 | case OSTAR: | |
| 946 | str = str_new(0); | |
| 947 | str_set(str,"*"); | |
| 948 | goto addvar; | |
| 8d063cd8 LW |
949 | case OVAR: |
| 950 | str = str_new(0); | |
| 951 | str_set(str,"$"); | |
| a687059c LW |
952 | addvar: |
| 953 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
954 | if (len == 1) { |
| 955 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 956 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 957 | numeric = 2; | |
| a687059c LW |
958 | if (strEQ(str->str_ptr,"$FNR")) { |
| 959 | numeric = 1; | |
| 960 | saw_FNR++; | |
| 961 | str_set(str,"($.-$FNRbase)"); | |
| 962 | } | |
| 963 | else if (strEQ(str->str_ptr,"$NR")) { | |
| 8d063cd8 LW |
964 | numeric = 1; |
| 965 | str_set(str,"$."); | |
| 966 | } | |
| 967 | else if (strEQ(str->str_ptr,"$NF")) { | |
| 968 | numeric = 1; | |
| 19720b39 | 969 | str_set(str,"($#Fld+1)"); |
| 8d063cd8 LW |
970 | } |
| 971 | else if (strEQ(str->str_ptr,"$0")) | |
| 972 | str_set(str,"$_"); | |
| a687059c | 973 | else if (strEQ(str->str_ptr,"$ARGC")) |
| 19720b39 | 974 | str_set(str,"($#ARGV+2)"); |
| 8d063cd8 LW |
975 | } |
| 976 | else { | |
| a687059c LW |
977 | #ifdef NOTDEF |
| 978 | if (curargs) { | |
| 979 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); | |
| 980 | ??? if (instr(curargs->str_ptr,tokenbuf)) | |
| 981 | str_cat(str,"\377"); /* can't translate yet */ | |
| 982 | } | |
| 983 | #endif | |
| 8d063cd8 LW |
984 | str_cat(tmpstr,"[]"); |
| 985 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 986 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 19720b39 | 987 | str_cat(str,"[("); |
| 8d063cd8 LW |
988 | else |
| 989 | str_cat(str,"{"); | |
| a687059c | 990 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 | 991 | str_free(fstr); |
| a687059c LW |
992 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
| 993 | str_set(str,"$ARGV0"); | |
| 994 | saw_argv0++; | |
| 995 | } | |
| 996 | else { | |
| 997 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 19720b39 | 998 | strcpy(tokenbuf,")-1]"); |
| a687059c LW |
999 | else |
| 1000 | strcpy(tokenbuf,"}"); | |
| c5cf9ec2 | 1001 | *tokenbuf += (char)128; |
| a687059c LW |
1002 | str_cat(str,tokenbuf); |
| 1003 | } | |
| 8d063cd8 LW |
1004 | } |
| 1005 | str_free(tmpstr); | |
| 1006 | break; | |
| 1007 | case OFLD: | |
| 1008 | str = str_new(0); | |
| 1009 | if (split_to_array) { | |
| 1010 | str_set(str,"$Fld"); | |
| 19720b39 | 1011 | str_cat(str,"[("); |
| a687059c | 1012 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 | 1013 | str_free(fstr); |
| 19720b39 | 1014 | str_cat(str,")-1]"); |
| 8d063cd8 LW |
1015 | } |
| 1016 | else { | |
| a687059c | 1017 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
| 8d063cd8 LW |
1018 | if (i <= arymax) |
| 1019 | sprintf(tokenbuf,"$%s",nameary[i]); | |
| 1020 | else | |
| 1021 | sprintf(tokenbuf,"$Fld%d",i); | |
| 1022 | str_set(str,tokenbuf); | |
| 1023 | } | |
| 1024 | break; | |
| 1025 | case OVFLD: | |
| 1026 | str = str_new(0); | |
| 1027 | str_set(str,"$Fld["); | |
| 1028 | i = ops[node+1].ival; | |
| 1029 | if ((ops[i].ival & 255) == OPAREN) | |
| 1030 | i = ops[i+1].ival; | |
| a687059c | 1031 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
| 8d063cd8 LW |
1032 | str_scat(str,tmpstr); |
| 1033 | str_free(tmpstr); | |
| 1034 | str_cat(str,"]"); | |
| 1035 | break; | |
| 1036 | case OJUNK: | |
| 1037 | goto def; | |
| 1038 | case OSNEWLINE: | |
| 1039 | str = str_new(2); | |
| 1040 | str_set(str,";\n"); | |
| 1041 | tab(str,level); | |
| 1042 | break; | |
| 1043 | case ONEWLINE: | |
| 1044 | str = str_new(1); | |
| 1045 | str_set(str,"\n"); | |
| 1046 | tab(str,level); | |
| 1047 | break; | |
| 1048 | case OSCOMMENT: | |
| 1049 | str = str_new(0); | |
| 1050 | str_set(str,";"); | |
| a687059c | 1051 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1052 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| c5cf9ec2 | 1053 | *s += (char)128; |
| 8d063cd8 LW |
1054 | str_scat(str,tmpstr); |
| 1055 | str_free(tmpstr); | |
| 1056 | tab(str,level); | |
| 1057 | break; | |
| 1058 | case OCOMMENT: | |
| 1059 | str = str_new(0); | |
| a687059c | 1060 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1061 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| c5cf9ec2 | 1062 | *s += (char)128; |
| 8d063cd8 LW |
1063 | str_scat(str,tmpstr); |
| 1064 | str_free(tmpstr); | |
| 1065 | tab(str,level); | |
| 1066 | break; | |
| 1067 | case OCOMMA: | |
| a687059c LW |
1068 | prec = P_COMMA; |
| 1069 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 1070 | str_cat(str,", "); |
| a687059c LW |
1071 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 1072 | str_free(fstr); | |
| 1073 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1074 | str_free(fstr); |
| 1075 | break; | |
| 1076 | case OSEMICOLON: | |
| 1077 | str = str_new(1); | |
| a687059c LW |
1078 | str_set(str,";\n"); |
| 1079 | tab(str,level); | |
| 8d063cd8 LW |
1080 | break; |
| 1081 | case OSTATES: | |
| a687059c LW |
1082 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 1083 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
1084 | str_free(fstr); |
| 1085 | break; | |
| 1086 | case OSTATE: | |
| 1087 | str = str_new(0); | |
| 1088 | if (len >= 1) { | |
| a687059c | 1089 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1090 | str_free(fstr); |
| 1091 | if (len >= 2) { | |
| a687059c | 1092 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
1093 | if (*tmpstr->str_ptr == ';') { |
| 1094 | addsemi(str); | |
| 1095 | str_cat(str,tmpstr->str_ptr+1); | |
| 1096 | } | |
| 1097 | str_free(tmpstr); | |
| 1098 | } | |
| 1099 | } | |
| 1100 | break; | |
| a687059c LW |
1101 | case OCLOSE: |
| 1102 | str = str_make("close("); | |
| 1103 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1104 | if (!do_fancy_opens) { | |
| 1105 | t = tmpstr->str_ptr; | |
| 1106 | if (*t == '"' || *t == '\'') | |
| 1107 | t = cpytill(tokenbuf,t+1,*t); | |
| 1108 | else | |
| 1109 | fatal("Internal error: OCLOSE %s",t); | |
| 1110 | s = savestr(tokenbuf); | |
| 1111 | for (t = tokenbuf; *t; t++) { | |
| 1112 | *t &= 127; | |
| 3f939f22 JH |
1113 | if (isLOWER(*t)) |
| 1114 | *t = toUPPER(*t); | |
| 1115 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| a687059c LW |
1116 | *t = '_'; |
| 1117 | } | |
| a0d0e21e | 1118 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1119 | strcpy(t,"_FH"); |
| a687059c LW |
1120 | str_free(tmpstr); |
| 1121 | safefree(s); | |
| 1122 | str_set(str,"close "); | |
| 1123 | str_cat(str,tokenbuf); | |
| 1124 | } | |
| 1125 | else { | |
| 7c0587c8 LW |
1126 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
| 1127 | tmpstr->str_ptr, tmpstr->str_ptr); | |
| a687059c LW |
1128 | str_free(tmpstr); |
| 1129 | str_set(str,tokenbuf); | |
| 1130 | } | |
| 1131 | break; | |
| 8d063cd8 LW |
1132 | case OPRINTF: |
| 1133 | case OPRINT: | |
| 378cc40b LW |
1134 | lparen = ""; /* set to parens if necessary */ |
| 1135 | rparen = ""; | |
| 8d063cd8 LW |
1136 | str = str_new(0); |
| 1137 | if (len == 3) { /* output redirection */ | |
| a687059c LW |
1138 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
| 1139 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
1140 | if (!do_fancy_opens) { |
| 1141 | t = tmpstr->str_ptr; | |
| 1142 | if (*t == '"' || *t == '\'') | |
| 1143 | t = cpytill(tokenbuf,t+1,*t); | |
| 1144 | else | |
| 1145 | fatal("Internal error: OPRINT"); | |
| 1146 | d = savestr(t); | |
| 1147 | s = savestr(tokenbuf); | |
| 1148 | for (t = tokenbuf; *t; t++) { | |
| 1149 | *t &= 127; | |
| 3f939f22 JH |
1150 | if (isLOWER(*t)) |
| 1151 | *t = toUPPER(*t); | |
| 1152 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| 8d063cd8 LW |
1153 | *t = '_'; |
| 1154 | } | |
| a0d0e21e | 1155 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1156 | strcpy(t,"_FH"); |
| a687059c LW |
1157 | tmp3str = hfetch(symtab,tokenbuf); |
| 1158 | if (!tmp3str) { | |
| 1159 | str_cat(opens,"open("); | |
| 1160 | str_cat(opens,tokenbuf); | |
| 1161 | str_cat(opens,", "); | |
| 1162 | d[1] = '\0'; | |
| 1163 | str_cat(opens,d); | |
| 1164 | str_scat(opens,tmp2str); | |
| 1165 | str_cat(opens,tmpstr->str_ptr+1); | |
| 1166 | if (*tmp2str->str_ptr == '|') | |
| 1167 | str_cat(opens,") || die 'Cannot pipe to \""); | |
| 1168 | else | |
| 1169 | str_cat(opens,") || die 'Cannot create file \""); | |
| 1170 | if (*d == '"') | |
| 1171 | str_cat(opens,"'.\""); | |
| 1172 | str_cat(opens,s); | |
| 1173 | if (*d == '"') | |
| 1174 | str_cat(opens,"\".'"); | |
| 1175 | str_cat(opens,"\".';\n"); | |
| 1176 | hstore(symtab,tokenbuf,str_make("x")); | |
| 1177 | } | |
| 8d063cd8 LW |
1178 | str_free(tmpstr); |
| 1179 | str_free(tmp2str); | |
| 1180 | safefree(s); | |
| 1181 | safefree(d); | |
| 1182 | } | |
| 1183 | else { | |
| a687059c | 1184 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
| 8d063cd8 LW |
1185 | tmp2str->str_ptr, tmpstr->str_ptr); |
| 1186 | str_cat(str,tokenbuf); | |
| 1187 | tab(str,level+1); | |
| a687059c | 1188 | strcpy(tokenbuf,"$fh"); |
| 8d063cd8 LW |
1189 | str_free(tmpstr); |
| 1190 | str_free(tmp2str); | |
| 378cc40b LW |
1191 | lparen = "("; |
| 1192 | rparen = ")"; | |
| 8d063cd8 LW |
1193 | } |
| 1194 | } | |
| 1195 | else | |
| a687059c | 1196 | strcpy(tokenbuf,""); |
| 378cc40b | 1197 | str_cat(str,lparen); /* may be null */ |
| 8d063cd8 LW |
1198 | if (type == OPRINTF) |
| 1199 | str_cat(str,"printf"); | |
| 1200 | else | |
| 1201 | str_cat(str,"print"); | |
| d48672a2 | 1202 | saw_fh = 0; |
| 8d063cd8 | 1203 | if (len == 3 || do_fancy_opens) { |
| d48672a2 | 1204 | if (*tokenbuf) { |
| 8d063cd8 | 1205 | str_cat(str," "); |
| d48672a2 LW |
1206 | saw_fh = 1; |
| 1207 | } | |
| 8d063cd8 LW |
1208 | str_cat(str,tokenbuf); |
| 1209 | } | |
| a687059c | 1210 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1211 | if (!*tmpstr->str_ptr && lval_field) { |
| aab39148 | 1212 | const char *t = (saw_OFS ? "$," : "' '"); |
| 8d063cd8 LW |
1213 | if (split_to_array) { |
| 1214 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1215 | str_cat(tmpstr,tokenbuf); | |
| 1216 | } | |
| 1217 | else { | |
| 1218 | for (i = 1; i < maxfld; i++) { | |
| 1219 | if (i <= arymax) | |
| 1220 | sprintf(tokenbuf,"$%s, ",nameary[i]); | |
| 1221 | else | |
| 1222 | sprintf(tokenbuf,"$Fld%d, ",i); | |
| 1223 | str_cat(tmpstr,tokenbuf); | |
| 1224 | } | |
| 1225 | if (maxfld <= arymax) | |
| 1226 | sprintf(tokenbuf,"$%s",nameary[maxfld]); | |
| 1227 | else | |
| 1228 | sprintf(tokenbuf,"$Fld%d",maxfld); | |
| 1229 | str_cat(tmpstr,tokenbuf); | |
| 1230 | } | |
| 1231 | } | |
| 1232 | if (*tmpstr->str_ptr) { | |
| 1233 | str_cat(str," "); | |
| d48672a2 LW |
1234 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
| 1235 | str_cat(str,"("); | |
| 1236 | str_scat(str,tmpstr); | |
| 1237 | str_cat(str,")"); | |
| 1238 | } | |
| 1239 | else | |
| 1240 | str_scat(str,tmpstr); | |
| 8d063cd8 LW |
1241 | } |
| 1242 | else { | |
| 1243 | str_cat(str," $_"); | |
| 1244 | } | |
| 378cc40b | 1245 | str_cat(str,rparen); /* may be null */ |
| 8d063cd8 LW |
1246 | str_free(tmpstr); |
| 1247 | break; | |
| a687059c LW |
1248 | case ORAND: |
| 1249 | str = str_make("rand(1)"); | |
| 1250 | break; | |
| 1251 | case OSRAND: | |
| 1252 | str = str_make("srand("); | |
| 1253 | goto maybe0; | |
| 1254 | case OATAN2: | |
| 1255 | str = str_make("atan2("); | |
| 1256 | goto maybe0; | |
| 1257 | case OSIN: | |
| 1258 | str = str_make("sin("); | |
| 1259 | goto maybe0; | |
| 1260 | case OCOS: | |
| 1261 | str = str_make("cos("); | |
| 1262 | goto maybe0; | |
| 1263 | case OSYSTEM: | |
| 1264 | str = str_make("system("); | |
| 1265 | goto maybe0; | |
| 8d063cd8 LW |
1266 | case OLENGTH: |
| 1267 | str = str_make("length("); | |
| 1268 | goto maybe0; | |
| 1269 | case OLOG: | |
| 1270 | str = str_make("log("); | |
| 1271 | goto maybe0; | |
| 1272 | case OEXP: | |
| 1273 | str = str_make("exp("); | |
| 1274 | goto maybe0; | |
| 1275 | case OSQRT: | |
| 1276 | str = str_make("sqrt("); | |
| 1277 | goto maybe0; | |
| 1278 | case OINT: | |
| 1279 | str = str_make("int("); | |
| 1280 | maybe0: | |
| 1281 | numeric = 1; | |
| 1282 | if (len > 0) | |
| a687059c | 1283 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1284 | else |
| db7c17d7 | 1285 | tmpstr = str_new(0); |
| fe14fcc3 | 1286 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
| 8d063cd8 | 1287 | if (lval_field) { |
| aab39148 | 1288 | const char *t = (saw_OFS ? "$," : "' '"); |
| 8d063cd8 LW |
1289 | if (split_to_array) { |
| 1290 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1291 | str_cat(tmpstr,tokenbuf); | |
| 1292 | } | |
| 1293 | else { | |
| 1294 | sprintf(tokenbuf,"join(%s, ",t); | |
| 1295 | str_cat(tmpstr,tokenbuf); | |
| 1296 | for (i = 1; i < maxfld; i++) { | |
| 1297 | if (i <= arymax) | |
| 1298 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1299 | else | |
| 1300 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1301 | str_cat(tmpstr,tokenbuf); | |
| 1302 | } | |
| 1303 | if (maxfld <= arymax) | |
| 1304 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1305 | else | |
| 1306 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1307 | str_cat(tmpstr,tokenbuf); | |
| 1308 | } | |
| 1309 | } | |
| 1310 | else | |
| 1311 | str_cat(tmpstr,"$_"); | |
| 1312 | } | |
| 1313 | if (strEQ(tmpstr->str_ptr,"$_")) { | |
| 1314 | if (type == OLENGTH && !do_chop) { | |
| 1315 | str = str_make("(length("); | |
| 1316 | str_cat(tmpstr,") - 1"); | |
| 1317 | } | |
| 1318 | } | |
| 1319 | str_scat(str,tmpstr); | |
| 1320 | str_free(tmpstr); | |
| 1321 | str_cat(str,")"); | |
| 1322 | break; | |
| 1323 | case OBREAK: | |
| 1324 | str = str_new(0); | |
| 1325 | str_set(str,"last"); | |
| 1326 | break; | |
| 1327 | case ONEXT: | |
| 1328 | str = str_new(0); | |
| 1329 | str_set(str,"next line"); | |
| 1330 | break; | |
| 1331 | case OEXIT: | |
| 1332 | str = str_new(0); | |
| 1333 | if (realexit) { | |
| a687059c | 1334 | prec = P_UNI; |
| 8d063cd8 LW |
1335 | str_set(str,"exit"); |
| 1336 | if (len == 1) { | |
| 1337 | str_cat(str," "); | |
| 1338 | exitval = TRUE; | |
| a687059c LW |
1339 | str_scat(str, |
| 1340 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1341 | str_free(fstr); |
| 1342 | } | |
| 1343 | } | |
| 1344 | else { | |
| 1345 | if (len == 1) { | |
| 9f68db38 | 1346 | str_set(str,"$ExitValue = "); |
| 8d063cd8 | 1347 | exitval = TRUE; |
| a687059c LW |
1348 | str_scat(str, |
| 1349 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); | |
| 8d063cd8 LW |
1350 | str_free(fstr); |
| 1351 | str_cat(str,"; "); | |
| 1352 | } | |
| 1353 | str_cat(str,"last line"); | |
| 1354 | } | |
| 1355 | break; | |
| 1356 | case OCONTINUE: | |
| 1357 | str = str_new(0); | |
| 1358 | str_set(str,"next"); | |
| 1359 | break; | |
| 1360 | case OREDIR: | |
| 1361 | goto def; | |
| 1362 | case OIF: | |
| 1363 | str = str_new(0); | |
| 1364 | str_set(str,"if ("); | |
| a687059c | 1365 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1366 | str_free(fstr); |
| 1367 | str_cat(str,") "); | |
| a687059c | 1368 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1369 | str_free(fstr); |
| 1370 | if (len == 3) { | |
| 1371 | i = ops[node+3].ival; | |
| 1372 | if (i) { | |
| 1373 | if ((ops[i].ival & 255) == OBLOCK) { | |
| 1374 | i = ops[i+1].ival; | |
| 1375 | if (i) { | |
| 1376 | if ((ops[i].ival & 255) != OIF) | |
| 1377 | i = 0; | |
| 1378 | } | |
| 1379 | } | |
| 1380 | else | |
| 1381 | i = 0; | |
| 1382 | } | |
| 1383 | if (i) { | |
| 1384 | str_cat(str,"els"); | |
| a687059c | 1385 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
| 8d063cd8 LW |
1386 | str_free(fstr); |
| 1387 | } | |
| 1388 | else { | |
| 1389 | str_cat(str,"else "); | |
| a687059c | 1390 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1391 | str_free(fstr); |
| 1392 | } | |
| 1393 | } | |
| 1394 | break; | |
| 1395 | case OWHILE: | |
| 1396 | str = str_new(0); | |
| 1397 | str_set(str,"while ("); | |
| a687059c | 1398 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1399 | str_free(fstr); |
| 1400 | str_cat(str,") "); | |
| a687059c | 1401 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1402 | str_free(fstr); |
| 1403 | break; | |
| 7c0587c8 LW |
1404 | case ODO: |
| 1405 | str = str_new(0); | |
| 1406 | str_set(str,"do "); | |
| 1407 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 1408 | str_free(fstr); | |
| 1409 | if (str->str_ptr[str->str_cur - 1] == '\n') | |
| db7c17d7 | 1410 | --str->str_cur; |
| 7c0587c8 LW |
1411 | str_cat(str," while ("); |
| 1412 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1413 | str_free(fstr); | |
| 1414 | str_cat(str,");"); | |
| 1415 | break; | |
| 8d063cd8 LW |
1416 | case OFOR: |
| 1417 | str = str_new(0); | |
| 1418 | str_set(str,"for ("); | |
| a687059c | 1419 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1420 | i = numarg; |
| 1421 | if (i) { | |
| 1422 | t = s = tmpstr->str_ptr; | |
| 3f939f22 | 1423 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_') |
| 8d063cd8 LW |
1424 | t++; |
| 1425 | i = t - s; | |
| 1426 | if (i < 2) | |
| 1427 | i = 0; | |
| 1428 | } | |
| 1429 | str_cat(str,"; "); | |
| a687059c | 1430 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| a0d0e21e | 1431 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
| 8d063cd8 LW |
1432 | if (strnEQ(fstr->str_ptr,s,i)) |
| 1433 | *t = ' '; | |
| 1434 | } | |
| 1435 | str_scat(str,fstr); | |
| 1436 | str_free(fstr); | |
| 1437 | str_free(tmpstr); | |
| 1438 | str_cat(str,"; "); | |
| a687059c | 1439 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1440 | str_free(fstr); |
| 1441 | str_cat(str,") "); | |
| a687059c | 1442 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1443 | str_free(fstr); |
| 1444 | break; | |
| 1445 | case OFORIN: | |
| a687059c | 1446 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| a0d0e21e | 1447 | d = strchr(tmpstr->str_ptr,'$'); |
| a687059c LW |
1448 | if (!d) |
| 1449 | fatal("Illegal for loop: %s",tmpstr->str_ptr); | |
| a0d0e21e | 1450 | s = strchr(d,'{'); |
| a687059c | 1451 | if (!s) |
| a0d0e21e | 1452 | s = strchr(d,'['); |
| a687059c LW |
1453 | if (!s) |
| 1454 | fatal("Illegal for loop: %s",d); | |
| 1455 | *s++ = '\0'; | |
| b7953727 | 1456 | for (t = s; (i = *t); t++) { |
| ffed7fef LW |
1457 | i &= 127; |
| 1458 | if (i == '}' || i == ']') | |
| 1459 | break; | |
| 1460 | } | |
| 1461 | if (*t) | |
| a687059c | 1462 | *t = '\0'; |
| 8d063cd8 | 1463 | str = str_new(0); |
| a687059c | 1464 | str_set(str,d+1); |
| 8d063cd8 LW |
1465 | str_cat(str,"[]"); |
| 1466 | tmp2str = hfetch(symtab,str->str_ptr); | |
| 1467 | if (tmp2str && atoi(tmp2str->str_ptr)) { | |
| 8d063cd8 | 1468 | sprintf(tokenbuf, |
| 19720b39 | 1469 | "foreach %s (0 .. $#%s) ", |
| a687059c LW |
1470 | s, |
| 1471 | d+1); | |
| 8d063cd8 LW |
1472 | } |
| 1473 | else { | |
| a687059c LW |
1474 | sprintf(tokenbuf, |
| 1475 | "foreach %s (keys %%%s) ", | |
| 1476 | s, | |
| 1477 | d+1); | |
| 8d063cd8 | 1478 | } |
| a687059c LW |
1479 | str_set(str,tokenbuf); |
| 1480 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1481 | str_free(fstr); | |
| 8d063cd8 LW |
1482 | str_free(tmpstr); |
| 1483 | break; | |
| 1484 | case OBLOCK: | |
| 1485 | str = str_new(0); | |
| 1486 | str_set(str,"{"); | |
| 378cc40b | 1487 | if (len >= 2 && ops[node+2].ival) { |
| a687059c | 1488 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1489 | str_free(fstr); |
| 1490 | } | |
| 1491 | fixtab(str,++level); | |
| a687059c | 1492 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1493 | str_free(fstr); |
| 1494 | addsemi(str); | |
| 1495 | fixtab(str,--level); | |
| 1496 | str_cat(str,"}\n"); | |
| 1497 | tab(str,level); | |
| 378cc40b | 1498 | if (len >= 3) { |
| a687059c | 1499 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 378cc40b LW |
1500 | str_free(fstr); |
| 1501 | } | |
| 8d063cd8 LW |
1502 | break; |
| 1503 | default: | |
| 1504 | def: | |
| 1505 | if (len) { | |
| 1506 | if (len > 5) | |
| 1507 | fatal("Garbage length in walk"); | |
| a687059c | 1508 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1509 | for (i = 2; i<= len; i++) { |
| a687059c | 1510 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1511 | str_free(fstr); |
| 1512 | } | |
| 1513 | } | |
| 1514 | else { | |
| d34ed59f | 1515 | str = NULL; |
| 8d063cd8 LW |
1516 | } |
| 1517 | break; | |
| 1518 | } | |
| 1519 | if (!str) | |
| 1520 | str = str_new(0); | |
| a687059c LW |
1521 | |
| 1522 | if (useval && prec < minprec) { /* need parens? */ | |
| 1523 | fstr = str_new(str->str_cur+2); | |
| 1524 | str_nset(fstr,"(",1); | |
| 1525 | str_scat(fstr,str); | |
| 1526 | str_ncat(fstr,")",1); | |
| 1527 | str_free(str); | |
| 1528 | str = fstr; | |
| 1529 | } | |
| 1530 | ||
| 8d063cd8 LW |
1531 | *numericptr = numeric; |
| 1532 | #ifdef DEBUGGING | |
| 1533 | if (debug & 4) { | |
| 1534 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); | |
| 1535 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) | |
| 1536 | if (*t == '\n') | |
| 1537 | printf("\\n"); | |
| 1538 | else if (*t == '\t') | |
| 1539 | printf("\\t"); | |
| 1540 | else | |
| 1541 | putchar(*t); | |
| 1542 | putchar('\n'); | |
| 1543 | } | |
| 1544 | #endif | |
| 1545 | return str; | |
| 1546 | } | |
| 1547 | ||
| 748a9306 | 1548 | static void |
| f0f333f4 | 1549 | tab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1550 | { |
| 1551 | while (lvl > 1) { | |
| 1552 | str_cat(str,"\t"); | |
| 1553 | lvl -= 2; | |
| 1554 | } | |
| 1555 | if (lvl) | |
| 1556 | str_cat(str," "); | |
| 1557 | } | |
| 1558 | ||
| 748a9306 | 1559 | static void |
| f0f333f4 | 1560 | fixtab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1561 | { |
| 1562 | register char *s; | |
| 1563 | ||
| 1564 | /* strip trailing white space */ | |
| 1565 | ||
| 1566 | s = str->str_ptr+str->str_cur - 1; | |
| a687059c | 1567 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
| 8d063cd8 LW |
1568 | s--; |
| 1569 | s[1] = '\0'; | |
| 1570 | str->str_cur = s + 1 - str->str_ptr; | |
| 1571 | if (s >= str->str_ptr && *s != '\n') | |
| 1572 | str_cat(str,"\n"); | |
| 1573 | ||
| 1574 | tab(str,lvl); | |
| 1575 | } | |
| 1576 | ||
| 748a9306 | 1577 | static void |
| f0f333f4 | 1578 | addsemi(register STR *str) |
| 8d063cd8 LW |
1579 | { |
| 1580 | register char *s; | |
| 1581 | ||
| 1582 | s = str->str_ptr+str->str_cur - 1; | |
| 1583 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) | |
| 1584 | s--; | |
| 1585 | if (s >= str->str_ptr && *s != ';' && *s != '}') | |
| 1586 | str_cat(str,";"); | |
| 1587 | } | |
| 1588 | ||
| 56febc5e | 1589 | static void |
| f0f333f4 | 1590 | emit_split(register STR *str, int level) |
| 8d063cd8 LW |
1591 | { |
| 1592 | register int i; | |
| 1593 | ||
| 1594 | if (split_to_array) | |
| 1595 | str_cat(str,"@Fld"); | |
| 1596 | else { | |
| 1597 | str_cat(str,"("); | |
| 1598 | for (i = 1; i < maxfld; i++) { | |
| 1599 | if (i <= arymax) | |
| 1600 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1601 | else | |
| 1602 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1603 | str_cat(str,tokenbuf); | |
| 1604 | } | |
| 1605 | if (maxfld <= arymax) | |
| 1606 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1607 | else | |
| 1608 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1609 | str_cat(str,tokenbuf); | |
| 1610 | } | |
| 1611 | if (const_FS) { | |
| 4cec2b33 | 1612 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, -1);\n",const_FS); |
| 8d063cd8 LW |
1613 | str_cat(str,tokenbuf); |
| 1614 | } | |
| 1615 | else if (saw_FS) | |
| 4cec2b33 | 1616 | str_cat(str," = split($FS, $_, -1);\n"); |
| 8d063cd8 | 1617 | else |
| 4cec2b33 | 1618 | str_cat(str," = split(' ', $_, -1);\n"); |
| 8d063cd8 LW |
1619 | tab(str,level); |
| 1620 | } | |
| 1621 | ||
| 9c8d0b29 | 1622 | int |
| f0f333f4 | 1623 | prewalk(int numit, int level, register int node, int *numericptr) |
| 8d063cd8 LW |
1624 | { |
| 1625 | register int len; | |
| 1626 | register int type; | |
| 1627 | register int i; | |
| 8d063cd8 LW |
1628 | int numarg; |
| 1629 | int numeric = FALSE; | |
| a687059c LW |
1630 | STR *tmpstr; |
| 1631 | STR *tmp2str; | |
| 8d063cd8 LW |
1632 | |
| 1633 | if (!node) { | |
| 1634 | *numericptr = 0; | |
| 1635 | return 0; | |
| 1636 | } | |
| 1637 | type = ops[node].ival; | |
| 1638 | len = type >> 8; | |
| 1639 | type &= 255; | |
| 1640 | switch (type) { | |
| 1641 | case OPROG: | |
| 1642 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1643 | if (ops[node+2].ival) { | |
| 1644 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1645 | } | |
| 1646 | ++level; | |
| 1647 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1648 | --level; | |
| 1649 | if (ops[node+3].ival) { | |
| 1650 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1651 | } | |
| 1652 | break; | |
| 1653 | case OHUNKS: | |
| 1654 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1655 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1656 | if (len == 3) { | |
| 1657 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1658 | } | |
| 1659 | break; | |
| 1660 | case ORANGE: | |
| 1661 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1662 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1663 | break; | |
| 1664 | case OPAT: | |
| 1665 | goto def; | |
| 1666 | case OREGEX: | |
| 1667 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1668 | break; | |
| 1669 | case OHUNK: | |
| 1670 | if (len == 1) { | |
| 1671 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1672 | } | |
| 1673 | else { | |
| 1674 | i = prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1675 | if (i) { | |
| 1676 | ++level; | |
| 1677 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1678 | --level; | |
| 1679 | } | |
| 1680 | else { | |
| 1681 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1682 | } | |
| 1683 | } | |
| 1684 | break; | |
| 1685 | case OPPAREN: | |
| 1686 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1687 | break; | |
| 1688 | case OPANDAND: | |
| 1689 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1690 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1691 | break; | |
| 1692 | case OPOROR: | |
| 1693 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1694 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1695 | break; | |
| 1696 | case OPNOT: | |
| 1697 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1698 | break; | |
| 1699 | case OCPAREN: | |
| 1700 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1701 | numeric |= numarg; | |
| 1702 | break; | |
| 1703 | case OCANDAND: | |
| 1704 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1705 | numeric = 1; | |
| 1706 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1707 | break; | |
| 1708 | case OCOROR: | |
| 1709 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1710 | numeric = 1; | |
| 1711 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1712 | break; | |
| 1713 | case OCNOT: | |
| 1714 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1715 | numeric = 1; | |
| 1716 | break; | |
| 1717 | case ORELOP: | |
| 1718 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1719 | numeric |= numarg; | |
| 1720 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1721 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1722 | numeric |= numarg; | |
| 1723 | numeric = 1; | |
| 1724 | break; | |
| 1725 | case ORPAREN: | |
| 1726 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1727 | numeric |= numarg; | |
| 1728 | break; | |
| 1729 | case OMATCHOP: | |
| 1730 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1731 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1732 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1733 | numeric = 1; | |
| 1734 | break; | |
| 1735 | case OMPAREN: | |
| 1736 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1737 | numeric |= numarg; | |
| 1738 | break; | |
| 1739 | case OCONCAT: | |
| 1740 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1741 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1742 | break; | |
| 1743 | case OASSIGN: | |
| 1744 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1745 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1746 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 75f92628 | 1747 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
| 8d063cd8 LW |
1748 | numericize(ops[node+2].ival); |
| 1749 | if (!numarg) | |
| 1750 | numericize(ops[node+3].ival); | |
| 1751 | } | |
| 1752 | numeric |= numarg; | |
| 1753 | break; | |
| 1754 | case OADD: | |
| 1755 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1756 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1757 | numeric = 1; | |
| 1758 | break; | |
| a687059c | 1759 | case OSUBTRACT: |
| 8d063cd8 LW |
1760 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1761 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1762 | numeric = 1; | |
| 1763 | break; | |
| 1764 | case OMULT: | |
| 1765 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1766 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1767 | numeric = 1; | |
| 1768 | break; | |
| 1769 | case ODIV: | |
| 1770 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1771 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1772 | numeric = 1; | |
| 1773 | break; | |
| a687059c LW |
1774 | case OPOW: |
| 1775 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1776 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1777 | numeric = 1; | |
| 1778 | break; | |
| 8d063cd8 LW |
1779 | case OMOD: |
| 1780 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1781 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1782 | numeric = 1; | |
| 1783 | break; | |
| 1784 | case OPOSTINCR: | |
| 1785 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1786 | numeric = 1; | |
| 1787 | break; | |
| 1788 | case OPOSTDECR: | |
| 1789 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1790 | numeric = 1; | |
| 1791 | break; | |
| 1792 | case OPREINCR: | |
| 1793 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1794 | numeric = 1; | |
| 1795 | break; | |
| 1796 | case OPREDECR: | |
| 1797 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1798 | numeric = 1; | |
| 1799 | break; | |
| 1800 | case OUMINUS: | |
| 1801 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1802 | numeric = 1; | |
| 1803 | break; | |
| 1804 | case OUPLUS: | |
| 1805 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1806 | numeric = 1; | |
| 1807 | break; | |
| 1808 | case OPAREN: | |
| 1809 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1810 | numeric |= numarg; | |
| 1811 | break; | |
| 1812 | case OGETLINE: | |
| 1813 | break; | |
| 1814 | case OSPRINTF: | |
| 1815 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1816 | break; | |
| 1817 | case OSUBSTR: | |
| 1818 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1819 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1820 | if (len == 3) { | |
| 1821 | prewalk(1,level,ops[node+3].ival,&numarg); | |
| 1822 | } | |
| 1823 | break; | |
| 1824 | case OSTRING: | |
| 1825 | break; | |
| 1826 | case OSPLIT: | |
| 1827 | numeric = 1; | |
| 1828 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1829 | if (len == 3) | |
| 1830 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1831 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1832 | break; | |
| 1833 | case OINDEX: | |
| 1834 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1835 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1836 | numeric = 1; | |
| 1837 | break; | |
| a687059c LW |
1838 | case OMATCH: |
| 1839 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1840 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1841 | numeric = 1; | |
| 1842 | break; | |
| 1843 | case OUSERDEF: | |
| 1844 | subretnum = FALSE; | |
| 1845 | --level; | |
| 1846 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1847 | ++level; | |
| 1848 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1849 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1850 | prewalk(0,level,ops[node+5].ival,&numarg); | |
| 1851 | --level; | |
| 1852 | str_cat(tmpstr,"("); | |
| 1853 | tmp2str = str_new(0); | |
| 1854 | if (subretnum || numarg) | |
| 1855 | str_set(tmp2str,"1"); | |
| 1856 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 1857 | str_free(tmpstr); | |
| 1858 | level++; | |
| 1859 | break; | |
| 1860 | case ORETURN: | |
| 1861 | if (len > 0) { | |
| 1862 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1863 | if (numarg) | |
| 1864 | subretnum = TRUE; | |
| 1865 | } | |
| 1866 | break; | |
| 1867 | case OUSERFUN: | |
| 1868 | tmp2str = str_new(0); | |
| 1869 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 663a0e37 | 1870 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
| a687059c LW |
1871 | str_free(tmpstr); |
| 1872 | str_cat(tmp2str,"("); | |
| 1873 | tmpstr = hfetch(symtab,tmp2str->str_ptr); | |
| 1874 | if (tmpstr && tmpstr->str_ptr) | |
| 1875 | numeric |= atoi(tmpstr->str_ptr); | |
| 1876 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1877 | str_free(tmp2str); | |
| 1878 | break; | |
| 1879 | case OGSUB: | |
| 1880 | case OSUB: | |
| 1881 | if (len >= 3) | |
| 1882 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1883 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); | |
| 1884 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1885 | numeric = 1; | |
| 1886 | break; | |
| 8d063cd8 LW |
1887 | case ONUM: |
| 1888 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1889 | numeric = 1; | |
| 1890 | break; | |
| 1891 | case OSTR: | |
| 1892 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1893 | break; | |
| a687059c LW |
1894 | case ODEFINED: |
| 1895 | case ODELETE: | |
| 1896 | case OSTAR: | |
| 8d063cd8 LW |
1897 | case OVAR: |
| 1898 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1899 | if (len == 1) { | |
| 1900 | if (numit) | |
| 1901 | numericize(node); | |
| 1902 | } | |
| 1903 | else { | |
| 1904 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1905 | } | |
| 1906 | break; | |
| 1907 | case OFLD: | |
| 1908 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1909 | break; | |
| 1910 | case OVFLD: | |
| 1911 | i = ops[node+1].ival; | |
| 1912 | prewalk(0,level,i,&numarg); | |
| 1913 | break; | |
| 1914 | case OJUNK: | |
| 1915 | goto def; | |
| 1916 | case OSNEWLINE: | |
| 1917 | break; | |
| 1918 | case ONEWLINE: | |
| 1919 | break; | |
| 1920 | case OSCOMMENT: | |
| 1921 | break; | |
| 1922 | case OCOMMENT: | |
| 1923 | break; | |
| 1924 | case OCOMMA: | |
| 1925 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1926 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| a687059c | 1927 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 8d063cd8 LW |
1928 | break; |
| 1929 | case OSEMICOLON: | |
| 1930 | break; | |
| 1931 | case OSTATES: | |
| 1932 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1933 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1934 | break; | |
| 1935 | case OSTATE: | |
| 1936 | if (len >= 1) { | |
| 1937 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1938 | if (len >= 2) { | |
| 1939 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1940 | } | |
| 1941 | } | |
| 1942 | break; | |
| a687059c LW |
1943 | case OCLOSE: |
| 1944 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1945 | break; | |
| 8d063cd8 LW |
1946 | case OPRINTF: |
| 1947 | case OPRINT: | |
| 1948 | if (len == 3) { /* output redirection */ | |
| 1949 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1950 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1951 | } | |
| 1952 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); | |
| 1953 | break; | |
| a687059c LW |
1954 | case ORAND: |
| 1955 | break; | |
| 1956 | case OSRAND: | |
| 1957 | goto maybe0; | |
| 1958 | case OATAN2: | |
| 1959 | goto maybe0; | |
| 1960 | case OSIN: | |
| 1961 | goto maybe0; | |
| 1962 | case OCOS: | |
| 1963 | goto maybe0; | |
| 1964 | case OSYSTEM: | |
| 1965 | goto maybe0; | |
| 8d063cd8 LW |
1966 | case OLENGTH: |
| 1967 | goto maybe0; | |
| 1968 | case OLOG: | |
| 1969 | goto maybe0; | |
| 1970 | case OEXP: | |
| 1971 | goto maybe0; | |
| 1972 | case OSQRT: | |
| 1973 | goto maybe0; | |
| 1974 | case OINT: | |
| 1975 | maybe0: | |
| 1976 | numeric = 1; | |
| 1977 | if (len > 0) | |
| a687059c LW |
1978 | prewalk(type != OLENGTH && type != OSYSTEM, |
| 1979 | level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
1980 | break; |
| 1981 | case OBREAK: | |
| 1982 | break; | |
| 1983 | case ONEXT: | |
| 1984 | break; | |
| 1985 | case OEXIT: | |
| 1986 | if (len == 1) { | |
| 1987 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1988 | } | |
| 1989 | break; | |
| 1990 | case OCONTINUE: | |
| 1991 | break; | |
| 1992 | case OREDIR: | |
| 1993 | goto def; | |
| 1994 | case OIF: | |
| 1995 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1996 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1997 | if (len == 3) { | |
| 1998 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1999 | } | |
| 2000 | break; | |
| 2001 | case OWHILE: | |
| 2002 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2003 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2004 | break; | |
| 2005 | case OFOR: | |
| 2006 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2007 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2008 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 2009 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 2010 | break; | |
| 2011 | case OFORIN: | |
| 2012 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2013 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
2014 | break; |
| 2015 | case OBLOCK: | |
| 2016 | if (len == 2) { | |
| 2017 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2018 | } | |
| 2019 | ++level; | |
| 2020 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2021 | --level; | |
| 2022 | break; | |
| 2023 | default: | |
| 2024 | def: | |
| 2025 | if (len) { | |
| 2026 | if (len > 5) | |
| 2027 | fatal("Garbage length in prewalk"); | |
| 2028 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2029 | for (i = 2; i<= len; i++) { | |
| 2030 | prewalk(0,level,ops[node+i].ival,&numarg); | |
| 2031 | } | |
| 2032 | } | |
| 2033 | break; | |
| 2034 | } | |
| 2035 | *numericptr = numeric; | |
| 2036 | return 1; | |
| 2037 | } | |
| 2038 | ||
| 748a9306 | 2039 | static void |
| f0f333f4 | 2040 | numericize(register int node) |
| 8d063cd8 LW |
2041 | { |
| 2042 | register int len; | |
| 2043 | register int type; | |
| 8d063cd8 LW |
2044 | STR *tmpstr; |
| 2045 | STR *tmp2str; | |
| 2046 | int numarg; | |
| 2047 | ||
| 2048 | type = ops[node].ival; | |
| 2049 | len = type >> 8; | |
| 2050 | type &= 255; | |
| 2051 | if (type == OVAR && len == 1) { | |
| a687059c | 2052 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
2053 | tmp2str = str_make("1"); |
| 2054 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 2055 | } | |
| 2056 | } |