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 | * |
| be3c0a43 | 3 | * Copyright (c) 1991-2002, 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 ); | |
| 011f1a1a JH |
37 | #ifdef NETWARE |
| 38 | char *savestr(char *str); | |
| 39 | char *cpytill(register char *to, register char *from, register int delim); | |
| 40 | char *instr(char *big, char *little); | |
| 41 | #endif | |
| 9c8d0b29 | 42 | |
| 8d063cd8 | 43 | STR * |
| f0f333f4 NIS |
44 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
| 45 | ||
| 46 | ||
| 47 | ||
| 48 | ||
| 49 | /* minimum precedence without parens */ | |
| 8d063cd8 LW |
50 | { |
| 51 | register int len; | |
| 52 | register STR *str; | |
| 53 | register int type; | |
| 54 | register int i; | |
| 55 | register STR *tmpstr; | |
| 56 | STR *tmp2str; | |
| a687059c | 57 | STR *tmp3str; |
| 8d063cd8 | 58 | char *t; |
| 0335b3e4 | 59 | char *d, *s; |
| 8d063cd8 LW |
60 | int numarg; |
| 61 | int numeric = FALSE; | |
| 62 | STR *fstr; | |
| a687059c | 63 | int prec = P_MAX; /* assume no parens needed */ |
| 8d063cd8 LW |
64 | |
| 65 | if (!node) { | |
| 66 | *numericptr = 0; | |
| 67 | return str_make(""); | |
| 68 | } | |
| 69 | type = ops[node].ival; | |
| 70 | len = type >> 8; | |
| 71 | type &= 255; | |
| 72 | switch (type) { | |
| 73 | case OPROG: | |
| d48672a2 LW |
74 | arymax = 0; |
| 75 | if (namelist) { | |
| 3f939f22 | 76 | while (isALPHA(*namelist)) { |
| d48672a2 | 77 | for (d = tokenbuf,s=namelist; |
| 3f939f22 | 78 | isALPHA(*s) || isDIGIT(*s) || *s == '_'; |
| d48672a2 LW |
79 | *d++ = *s++) ; |
| 80 | *d = '\0'; | |
| 3f939f22 | 81 | while (*s && !isALPHA(*s)) s++; |
| d48672a2 LW |
82 | namelist = s; |
| 83 | nameary[++arymax] = savestr(tokenbuf); | |
| 84 | } | |
| 85 | } | |
| 86 | if (maxfld < arymax) | |
| 87 | maxfld = arymax; | |
| 8d063cd8 | 88 | opens = str_new(0); |
| a687059c LW |
89 | subs = str_new(0); |
| 90 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
91 | if (do_split && need_entire && !absmaxfld) |
| 92 | split_to_array = TRUE; | |
| 93 | if (do_split && split_to_array) | |
| 94 | set_array_base = TRUE; | |
| 95 | if (set_array_base) { | |
| 96 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); | |
| 97 | } | |
| 98 | if (fswitch && !const_FS) | |
| 99 | const_FS = fswitch; | |
| 100 | if (saw_FS > 1 || saw_RS) | |
| 101 | const_FS = 0; | |
| 102 | if (saw_ORS && need_entire) | |
| 103 | do_chop = TRUE; | |
| 104 | if (fswitch) { | |
| 105 | str_cat(str,"$FS = '"); | |
| a0d0e21e | 106 | if (strchr("*+?.[]()|^$\\",fswitch)) |
| 8d063cd8 LW |
107 | str_cat(str,"\\"); |
| 108 | sprintf(tokenbuf,"%c",fswitch); | |
| 109 | str_cat(str,tokenbuf); | |
| 110 | str_cat(str,"';\t\t# field separator from -F switch\n"); | |
| 111 | } | |
| 112 | else if (saw_FS && !const_FS) { | |
| 9bb9d9f7 | 113 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
| 8d063cd8 LW |
114 | } |
| 115 | if (saw_OFS) { | |
| a559c259 | 116 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
| 8d063cd8 LW |
117 | } |
| 118 | if (saw_ORS) { | |
| a559c259 | 119 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
| 8d063cd8 | 120 | } |
| a687059c LW |
121 | if (saw_argv0) { |
| 122 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); | |
| 123 | } | |
| 8d063cd8 LW |
124 | if (str->str_cur > 20) |
| 125 | str_cat(str,"\n"); | |
| 126 | if (ops[node+2].ival) { | |
| a687059c | 127 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
128 | str_free(fstr); |
| 129 | str_cat(str,"\n\n"); | |
| 130 | } | |
| a687059c LW |
131 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
| 132 | if (*fstr->str_ptr) { | |
| 133 | if (saw_line_op) | |
| 134 | str_cat(str,"line: "); | |
| 135 | str_cat(str,"while (<>) {\n"); | |
| 136 | tab(str,++level); | |
| 137 | if (saw_FS && !const_FS) | |
| 138 | do_chop = TRUE; | |
| 139 | if (do_chop) { | |
| 7bdaec8a | 140 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c | 141 | tab(str,level); |
| 8d063cd8 | 142 | } |
| a687059c LW |
143 | if (do_split) |
| 144 | emit_split(str,level); | |
| 145 | str_scat(str,fstr); | |
| 146 | str_free(fstr); | |
| 147 | fixtab(str,--level); | |
| 148 | str_cat(str,"}\n"); | |
| 149 | if (saw_FNR) | |
| 150 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); | |
| 8d063cd8 | 151 | } |
| a5571d59 | 152 | else if (old_awk) |
| ae986130 | 153 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
| 8d063cd8 LW |
154 | if (ops[node+4].ival) { |
| 155 | realexit = TRUE; | |
| 156 | str_cat(str,"\n"); | |
| 157 | tab(str,level); | |
| a687059c | 158 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
159 | str_free(fstr); |
| 160 | str_cat(str,"\n"); | |
| 161 | } | |
| 162 | if (exitval) | |
| 9f68db38 | 163 | str_cat(str,"exit $ExitValue;\n"); |
| a687059c LW |
164 | if (subs->str_ptr) { |
| 165 | str_cat(str,"\n"); | |
| 166 | str_scat(str,subs); | |
| 167 | } | |
| 378cc40b | 168 | if (saw_getline) { |
| a687059c LW |
169 | for (len = 0; len < 4; len++) { |
| 170 | if (saw_getline & (1 << len)) { | |
| 171 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); | |
| 172 | str_cat(str, tokenbuf); | |
| 173 | if (len & 2) { | |
| 174 | if (do_fancy_opens) | |
| 175 | str_cat(str," &Pick('',@_);\n"); | |
| 176 | else | |
| 177 | str_cat(str," ($fh) = @_;\n"); | |
| 178 | } | |
| 179 | else { | |
| 180 | if (saw_FNR) | |
| 181 | str_cat(str," $FNRbase = $. if eof;\n"); | |
| 182 | } | |
| 183 | if (len & 1) | |
| 62b28dd9 | 184 | str_cat(str," local($_);\n"); |
| a687059c LW |
185 | if (len & 2) |
| 186 | str_cat(str, | |
| 187 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); | |
| 188 | else | |
| 189 | str_cat(str, | |
| 190 | " if ($getline_ok = (($_ = <>) ne ''))"); | |
| 191 | str_cat(str, " {\n"); | |
| 192 | level += 2; | |
| 193 | tab(str,level); | |
| 194 | i = 0; | |
| 195 | if (do_chop) { | |
| 196 | i++; | |
| 7bdaec8a | 197 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c LW |
198 | tab(str,level); |
| 199 | } | |
| 200 | if (do_split && !(len & 1)) { | |
| 201 | i++; | |
| 202 | emit_split(str,level); | |
| 203 | } | |
| 204 | if (!i) | |
| 205 | str_cat(str,";\n"); | |
| 206 | fixtab(str,--level); | |
| 207 | str_cat(str,"}\n $_;\n}\n"); | |
| 208 | --level; | |
| 209 | } | |
| 378cc40b | 210 | } |
| 378cc40b | 211 | } |
| 8d063cd8 LW |
212 | if (do_fancy_opens) { |
| 213 | str_cat(str,"\n\ | |
| 214 | sub Pick {\n\ | |
| a687059c | 215 | local($mode,$name,$pipe) = @_;\n\ |
| 7c0587c8 LW |
216 | $fh = $name;\n\ |
| 217 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ | |
| 8d063cd8 LW |
218 | }\n\ |
| 219 | "); | |
| 220 | } | |
| 221 | break; | |
| 222 | case OHUNKS: | |
| a687059c LW |
223 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 224 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
225 | str_free(fstr); |
| 226 | if (len == 3) { | |
| a687059c | 227 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
228 | str_free(fstr); |
| 229 | } | |
| 230 | else { | |
| 231 | } | |
| 232 | break; | |
| 233 | case ORANGE: | |
| a687059c LW |
234 | prec = P_DOTDOT; |
| 235 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 | 236 | str_cat(str," .. "); |
| a687059c | 237 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
238 | str_free(fstr); |
| 239 | break; | |
| 240 | case OPAT: | |
| 241 | goto def; | |
| 242 | case OREGEX: | |
| 243 | str = str_new(0); | |
| 244 | str_set(str,"/"); | |
| a687059c | 245 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
246 | /* translate \nnn to [\nnn] */ |
| 247 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { | |
| 3f939f22 | 248 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){ |
| 8d063cd8 LW |
249 | *d++ = '['; |
| 250 | *d++ = *s++; | |
| 251 | *d++ = *s++; | |
| 252 | *d++ = *s++; | |
| 253 | *d++ = *s; | |
| 254 | *d = ']'; | |
| 255 | } | |
| 256 | else | |
| 257 | *d = *s; | |
| 258 | } | |
| 259 | *d = '\0'; | |
| 378cc40b | 260 | for (d=tokenbuf; *d; d++) |
| c5cf9ec2 | 261 | *d += (char)128; |
| 8d063cd8 LW |
262 | str_cat(str,tokenbuf); |
| 263 | str_free(tmpstr); | |
| 264 | str_cat(str,"/"); | |
| 265 | break; | |
| 266 | case OHUNK: | |
| 267 | if (len == 1) { | |
| 268 | str = str_new(0); | |
| a687059c | 269 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
| 8d063cd8 | 270 | str_cat(str," if "); |
| a687059c | 271 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
272 | str_free(fstr); |
| 273 | str_cat(str,";"); | |
| 274 | } | |
| 275 | else { | |
| a687059c | 276 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
277 | if (*tmpstr->str_ptr) { |
| 278 | str = str_new(0); | |
| 279 | str_set(str,"if ("); | |
| 280 | str_scat(str,tmpstr); | |
| 281 | str_cat(str,") {\n"); | |
| 282 | tab(str,++level); | |
| a687059c | 283 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
284 | str_free(fstr); |
| 285 | fixtab(str,--level); | |
| 286 | str_cat(str,"}\n"); | |
| 287 | tab(str,level); | |
| 288 | } | |
| 289 | else { | |
| a687059c | 290 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
291 | } |
| 292 | } | |
| 293 | break; | |
| 294 | case OPPAREN: | |
| 295 | str = str_new(0); | |
| 296 | str_set(str,"("); | |
| a687059c | 297 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
298 | str_free(fstr); |
| 299 | str_cat(str,")"); | |
| 300 | break; | |
| 301 | case OPANDAND: | |
| a687059c LW |
302 | prec = P_ANDAND; |
| 303 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 304 | str_cat(str," && "); |
| a687059c LW |
305 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 306 | str_free(fstr); | |
| 307 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
308 | str_free(fstr); |
| 309 | break; | |
| 310 | case OPOROR: | |
| a687059c LW |
311 | prec = P_OROR; |
| 312 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 313 | str_cat(str," || "); |
| a687059c LW |
314 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 315 | str_free(fstr); | |
| 316 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
317 | str_free(fstr); |
| 318 | break; | |
| 319 | case OPNOT: | |
| a687059c | 320 | prec = P_UNARY; |
| 8d063cd8 LW |
321 | str = str_new(0); |
| 322 | str_set(str,"!"); | |
| a687059c | 323 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
324 | str_free(fstr); |
| 325 | break; | |
| 62b28dd9 LW |
326 | case OCOND: |
| 327 | prec = P_COND; | |
| 328 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 329 | str_cat(str," ? "); | |
| 330 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); | |
| 331 | str_free(fstr); | |
| 332 | str_cat(str," : "); | |
| 333 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 334 | str_free(fstr); | |
| 335 | break; | |
| 8d063cd8 LW |
336 | case OCPAREN: |
| 337 | str = str_new(0); | |
| 338 | str_set(str,"("); | |
| a687059c | 339 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
340 | str_free(fstr); |
| 341 | numeric |= numarg; | |
| 342 | str_cat(str,")"); | |
| 343 | break; | |
| 344 | case OCANDAND: | |
| a687059c LW |
345 | prec = P_ANDAND; |
| 346 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
347 | numeric = 1; |
| 348 | str_cat(str," && "); | |
| a687059c LW |
349 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 350 | str_free(fstr); | |
| 351 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
352 | str_free(fstr); |
| 353 | break; | |
| 354 | case OCOROR: | |
| a687059c LW |
355 | prec = P_OROR; |
| 356 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
357 | numeric = 1; |
| 358 | str_cat(str," || "); | |
| a687059c LW |
359 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 360 | str_free(fstr); | |
| 361 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
362 | str_free(fstr); |
| 363 | break; | |
| 364 | case OCNOT: | |
| a687059c | 365 | prec = P_UNARY; |
| 8d063cd8 LW |
366 | str = str_new(0); |
| 367 | str_set(str,"!"); | |
| a687059c | 368 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
369 | str_free(fstr); |
| 370 | numeric = 1; | |
| 371 | break; | |
| 372 | case ORELOP: | |
| a687059c LW |
373 | prec = P_REL; |
| 374 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 375 | numeric |= numarg; |
| a687059c LW |
376 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 377 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); | |
| 8d063cd8 | 378 | numeric |= numarg; |
| a687059c LW |
379 | if (!numeric || |
| 380 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { | |
| 8d063cd8 LW |
381 | t = tmpstr->str_ptr; |
| 382 | if (strEQ(t,"==")) | |
| 383 | str_set(tmpstr,"eq"); | |
| 384 | else if (strEQ(t,"!=")) | |
| 385 | str_set(tmpstr,"ne"); | |
| 386 | else if (strEQ(t,"<")) | |
| 387 | str_set(tmpstr,"lt"); | |
| 388 | else if (strEQ(t,"<=")) | |
| 389 | str_set(tmpstr,"le"); | |
| 390 | else if (strEQ(t,">")) | |
| 391 | str_set(tmpstr,"gt"); | |
| 392 | else if (strEQ(t,">=")) | |
| 393 | str_set(tmpstr,"ge"); | |
| a0d0e21e LW |
394 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
| 395 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) | |
| 8d063cd8 LW |
396 | numeric |= 2; |
| 397 | } | |
| 398 | if (numeric & 2) { | |
| 399 | if (numeric & 1) /* numeric is very good guess */ | |
| 400 | str_cat(str," "); | |
| 401 | else | |
| 402 | str_cat(str,"\377"); | |
| 403 | numeric = 1; | |
| 404 | } | |
| 405 | else | |
| 406 | str_cat(str," "); | |
| 407 | str_scat(str,tmpstr); | |
| 408 | str_free(tmpstr); | |
| 409 | str_cat(str," "); | |
| 410 | str_scat(str,tmp2str); | |
| 411 | str_free(tmp2str); | |
| 412 | numeric = 1; | |
| 413 | break; | |
| 414 | case ORPAREN: | |
| 415 | str = str_new(0); | |
| 416 | str_set(str,"("); | |
| a687059c | 417 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
418 | str_free(fstr); |
| 419 | numeric |= numarg; | |
| 420 | str_cat(str,")"); | |
| 421 | break; | |
| 422 | case OMATCHOP: | |
| a687059c LW |
423 | prec = P_MATCH; |
| 424 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 425 | str_cat(str," "); |
| a687059c | 426 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
427 | if (strEQ(tmpstr->str_ptr,"~")) |
| 428 | str_cat(str,"=~"); | |
| 429 | else { | |
| 430 | str_scat(str,tmpstr); | |
| 431 | str_free(tmpstr); | |
| 432 | } | |
| 433 | str_cat(str," "); | |
| a687059c | 434 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
435 | str_free(fstr); |
| 436 | numeric = 1; | |
| 437 | break; | |
| 438 | case OMPAREN: | |
| 439 | str = str_new(0); | |
| 440 | str_set(str,"("); | |
| a687059c LW |
441 | str_scat(str, |
| 442 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
443 | str_free(fstr); |
| 444 | numeric |= numarg; | |
| 445 | str_cat(str,")"); | |
| 446 | break; | |
| 447 | case OCONCAT: | |
| a687059c LW |
448 | prec = P_ADD; |
| 449 | type = ops[ops[node+1].ival].ival & 255; | |
| 450 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); | |
| 8d063cd8 | 451 | str_cat(str," . "); |
| a687059c LW |
452 | type = ops[ops[node+2].ival].ival & 255; |
| 453 | str_scat(str, | |
| 454 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); | |
| 8d063cd8 LW |
455 | str_free(fstr); |
| 456 | break; | |
| 457 | case OASSIGN: | |
| a687059c LW |
458 | prec = P_ASSIGN; |
| 459 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 460 | str_cat(str," "); |
| a687059c | 461 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
462 | str_scat(str,tmpstr); |
| 463 | if (str_len(tmpstr) > 1) | |
| 464 | numeric = 1; | |
| 465 | str_free(tmpstr); | |
| 466 | str_cat(str," "); | |
| a687059c | 467 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
| 8d063cd8 LW |
468 | str_free(fstr); |
| 469 | numeric |= numarg; | |
| 7c0587c8 LW |
470 | if (strEQ(str->str_ptr,"$/ = ''")) |
| 471 | str_set(str, "$/ = \"\\n\\n\""); | |
| 8d063cd8 LW |
472 | break; |
| 473 | case OADD: | |
| a687059c LW |
474 | prec = P_ADD; |
| 475 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 476 | str_cat(str," + "); |
| a687059c | 477 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
478 | str_free(fstr); |
| 479 | numeric = 1; | |
| 480 | break; | |
| a687059c LW |
481 | case OSUBTRACT: |
| 482 | prec = P_ADD; | |
| 483 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 484 | str_cat(str," - "); |
| a687059c | 485 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
486 | str_free(fstr); |
| 487 | numeric = 1; | |
| 488 | break; | |
| 489 | case OMULT: | |
| a687059c LW |
490 | prec = P_MUL; |
| 491 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 492 | str_cat(str," * "); |
| a687059c | 493 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
494 | str_free(fstr); |
| 495 | numeric = 1; | |
| 496 | break; | |
| 497 | case ODIV: | |
| a687059c LW |
498 | prec = P_MUL; |
| 499 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 500 | str_cat(str," / "); |
| a687059c LW |
501 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 502 | str_free(fstr); | |
| 503 | numeric = 1; | |
| 504 | break; | |
| 505 | case OPOW: | |
| 506 | prec = P_POW; | |
| 507 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 508 | str_cat(str," ** "); | |
| 509 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); | |
| 8d063cd8 LW |
510 | str_free(fstr); |
| 511 | numeric = 1; | |
| 512 | break; | |
| 513 | case OMOD: | |
| a687059c LW |
514 | prec = P_MUL; |
| 515 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 516 | str_cat(str," % "); |
| a687059c | 517 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
518 | str_free(fstr); |
| 519 | numeric = 1; | |
| 520 | break; | |
| 521 | case OPOSTINCR: | |
| a687059c LW |
522 | prec = P_AUTO; |
| 523 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
524 | str_cat(str,"++"); |
| 525 | numeric = 1; | |
| 526 | break; | |
| 527 | case OPOSTDECR: | |
| a687059c LW |
528 | prec = P_AUTO; |
| 529 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
530 | str_cat(str,"--"); |
| 531 | numeric = 1; | |
| 532 | break; | |
| 533 | case OPREINCR: | |
| a687059c | 534 | prec = P_AUTO; |
| 8d063cd8 LW |
535 | str = str_new(0); |
| 536 | str_set(str,"++"); | |
| a687059c | 537 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
538 | str_free(fstr); |
| 539 | numeric = 1; | |
| 540 | break; | |
| 541 | case OPREDECR: | |
| a687059c | 542 | prec = P_AUTO; |
| 8d063cd8 LW |
543 | str = str_new(0); |
| 544 | str_set(str,"--"); | |
| a687059c | 545 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
546 | str_free(fstr); |
| 547 | numeric = 1; | |
| 548 | break; | |
| 549 | case OUMINUS: | |
| a687059c | 550 | prec = P_UNARY; |
| 8d063cd8 LW |
551 | str = str_new(0); |
| 552 | str_set(str,"-"); | |
| a687059c | 553 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
554 | str_free(fstr); |
| 555 | numeric = 1; | |
| 556 | break; | |
| 557 | case OUPLUS: | |
| 558 | numeric = 1; | |
| 559 | goto def; | |
| 560 | case OPAREN: | |
| 561 | str = str_new(0); | |
| 562 | str_set(str,"("); | |
| a687059c LW |
563 | str_scat(str, |
| 564 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
565 | str_free(fstr); |
| 566 | str_cat(str,")"); | |
| 567 | numeric |= numarg; | |
| 568 | break; | |
| 569 | case OGETLINE: | |
| 570 | str = str_new(0); | |
| a687059c LW |
571 | if (useval) |
| 572 | str_cat(str,"("); | |
| 573 | if (len > 0) { | |
| a687059c LW |
574 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 575 | if (!*fstr->str_ptr) { | |
| 7c0587c8 | 576 | str_cat(str,"$_"); |
| a687059c LW |
577 | len = 2; /* a legal fiction */ |
| 578 | } | |
| 579 | str_free(fstr); | |
| 580 | } | |
| 581 | else | |
| 582 | str_cat(str,"$_"); | |
| 583 | if (len > 1) { | |
| 584 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); | |
| 585 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 586 | if (!do_fancy_opens) { | |
| 587 | t = tmpstr->str_ptr; | |
| 588 | if (*t == '"' || *t == '\'') | |
| 589 | t = cpytill(tokenbuf,t+1,*t); | |
| 590 | else | |
| 591 | fatal("Internal error: OGETLINE %s", t); | |
| 592 | d = savestr(t); | |
| 593 | s = savestr(tokenbuf); | |
| 594 | for (t = tokenbuf; *t; t++) { | |
| 595 | *t &= 127; | |
| 3f939f22 JH |
596 | if (isLOWER(*t)) |
| 597 | *t = toUPPER(*t); | |
| 598 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| a687059c LW |
599 | *t = '_'; |
| 600 | } | |
| a0d0e21e | 601 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 602 | strcpy(t,"_FH"); |
| a687059c LW |
603 | tmp3str = hfetch(symtab,tokenbuf); |
| 604 | if (!tmp3str) { | |
| 605 | do_opens = TRUE; | |
| 606 | str_cat(opens,"open("); | |
| 607 | str_cat(opens,tokenbuf); | |
| 608 | str_cat(opens,", "); | |
| 609 | d[1] = '\0'; | |
| 610 | str_cat(opens,d); | |
| 611 | str_cat(opens,tmpstr->str_ptr+1); | |
| 612 | opens->str_cur--; | |
| 613 | if (*fstr->str_ptr == '|') | |
| 614 | str_cat(opens,"|"); | |
| 615 | str_cat(opens,d); | |
| 616 | if (*fstr->str_ptr == '|') | |
| 617 | str_cat(opens,") || die 'Cannot pipe from \""); | |
| 618 | else | |
| 619 | str_cat(opens,") || die 'Cannot open file \""); | |
| 620 | if (*d == '"') | |
| 621 | str_cat(opens,"'.\""); | |
| 622 | str_cat(opens,s); | |
| 623 | if (*d == '"') | |
| 624 | str_cat(opens,"\".'"); | |
| 625 | str_cat(opens,"\".';\n"); | |
| 626 | hstore(symtab,tokenbuf,str_make("x")); | |
| 627 | } | |
| 628 | safefree(s); | |
| 629 | safefree(d); | |
| 630 | str_set(tmpstr,"'"); | |
| 631 | str_cat(tmpstr,tokenbuf); | |
| 632 | str_cat(tmpstr,"'"); | |
| 633 | } | |
| 634 | if (*fstr->str_ptr == '|') | |
| 635 | str_cat(tmpstr,", '|'"); | |
| 636 | str_free(fstr); | |
| 637 | } | |
| 638 | else | |
| 639 | tmpstr = str_make(""); | |
| 640 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); | |
| 641 | str_cat(str,tokenbuf); | |
| 642 | str_free(tmpstr); | |
| 643 | if (useval) | |
| 644 | str_cat(str,",$getline_ok)"); | |
| 645 | saw_getline |= 1 << len; | |
| 8d063cd8 LW |
646 | break; |
| 647 | case OSPRINTF: | |
| 648 | str = str_new(0); | |
| 649 | str_set(str,"sprintf("); | |
| a687059c | 650 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
651 | str_free(fstr); |
| 652 | str_cat(str,")"); | |
| 653 | break; | |
| 654 | case OSUBSTR: | |
| 655 | str = str_new(0); | |
| 656 | str_set(str,"substr("); | |
| a687059c | 657 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
658 | str_free(fstr); |
| 659 | str_cat(str,", "); | |
| a687059c | 660 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
661 | str_free(fstr); |
| 662 | str_cat(str,", "); | |
| 663 | if (len == 3) { | |
| a687059c | 664 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
665 | str_free(fstr); |
| 666 | } | |
| 667 | else | |
| 668 | str_cat(str,"999999"); | |
| 669 | str_cat(str,")"); | |
| 670 | break; | |
| 671 | case OSTRING: | |
| 672 | str = str_new(0); | |
| 673 | str_set(str,ops[node+1].cval); | |
| 674 | break; | |
| 675 | case OSPLIT: | |
| 676 | str = str_new(0); | |
| 55204971 | 677 | limit = ", 9999)"; |
| 8d063cd8 | 678 | numeric = 1; |
| a687059c | 679 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
680 | if (useval) |
| 681 | str_set(str,"(@"); | |
| 682 | else | |
| 683 | str_set(str,"@"); | |
| 684 | str_scat(str,tmpstr); | |
| 685 | str_cat(str," = split("); | |
| 686 | if (len == 3) { | |
| a687059c | 687 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
| 8d063cd8 LW |
688 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
| 689 | i = fstr->str_ptr[1] & 127; | |
| a0d0e21e | 690 | if (strchr("*+?.[]()|^$\\",i)) |
| 8d063cd8 | 691 | sprintf(tokenbuf,"/\\%c/",i); |
| 20188a90 | 692 | else if (i == ' ') |
| 62b28dd9 | 693 | sprintf(tokenbuf,"' '"); |
| 8d063cd8 LW |
694 | else |
| 695 | sprintf(tokenbuf,"/%c/",i); | |
| 696 | str_cat(str,tokenbuf); | |
| 697 | } | |
| 698 | else | |
| 699 | str_scat(str,fstr); | |
| 700 | str_free(fstr); | |
| 701 | } | |
| 702 | else if (const_FS) { | |
| 703 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); | |
| 704 | str_cat(str,tokenbuf); | |
| 705 | } | |
| 706 | else if (saw_FS) | |
| 707 | str_cat(str,"$FS"); | |
| 55204971 | 708 | else { |
| 9bb9d9f7 | 709 | str_cat(str,"' '"); |
| 55204971 LW |
710 | limit = ")"; |
| 711 | } | |
| 8d063cd8 | 712 | str_cat(str,", "); |
| a687059c | 713 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 | 714 | str_free(fstr); |
| 55204971 | 715 | str_cat(str,limit); |
| 8d063cd8 LW |
716 | if (useval) { |
| 717 | str_cat(str,")"); | |
| 718 | } | |
| 719 | str_free(tmpstr); | |
| 720 | break; | |
| 721 | case OINDEX: | |
| 722 | str = str_new(0); | |
| 723 | str_set(str,"index("); | |
| a687059c | 724 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
725 | str_free(fstr); |
| 726 | str_cat(str,", "); | |
| a687059c | 727 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
728 | str_free(fstr); |
| 729 | str_cat(str,")"); | |
| 730 | numeric = 1; | |
| 731 | break; | |
| a687059c LW |
732 | case OMATCH: |
| 733 | str = str_new(0); | |
| 734 | prec = P_ANDAND; | |
| 735 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); | |
| 736 | str_free(fstr); | |
| 737 | str_cat(str," =~ "); | |
| 738 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); | |
| 739 | str_free(fstr); | |
| 740 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); | |
| 741 | numeric = 1; | |
| 742 | break; | |
| 743 | case OUSERDEF: | |
| 744 | str = str_new(0); | |
| 745 | subretnum = FALSE; | |
| 746 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); | |
| 747 | curargs = str_new(0); | |
| 748 | str_sset(curargs,fstr); | |
| 749 | str_cat(curargs,","); | |
| 750 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); | |
| 751 | str_free(curargs); | |
| 752 | curargs = Nullstr; | |
| 753 | level--; | |
| 754 | subretnum |= numarg; | |
| 755 | s = Nullch; | |
| 756 | t = tmp2str->str_ptr; | |
| b7953727 | 757 | while ((t = instr(t,"return "))) |
| a687059c LW |
758 | s = t++; |
| 759 | if (s) { | |
| 760 | i = 0; | |
| 761 | for (t = s+7; *t; t++) { | |
| 762 | if (*t == ';' || *t == '}') | |
| 763 | i++; | |
| 764 | } | |
| 765 | if (i == 1) { | |
| 766 | strcpy(s,s+7); | |
| 767 | tmp2str->str_cur -= 7; | |
| 768 | } | |
| 769 | } | |
| 770 | str_set(str,"\n"); | |
| 771 | tab(str,level); | |
| 772 | str_cat(str,"sub "); | |
| 773 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 774 | str_cat(str," {\n"); | |
| 775 | tab(str,++level); | |
| 776 | if (fstr->str_cur) { | |
| 777 | str_cat(str,"local("); | |
| 778 | str_scat(str,fstr); | |
| 779 | str_cat(str,") = @_;"); | |
| 780 | } | |
| 781 | str_free(fstr); | |
| 782 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); | |
| 783 | str_free(fstr); | |
| 784 | fixtab(str,level); | |
| 785 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); | |
| 786 | str_free(fstr); | |
| 787 | fixtab(str,level); | |
| 788 | str_scat(str,tmp2str); | |
| 789 | str_free(tmp2str); | |
| 790 | fixtab(str,--level); | |
| 791 | str_cat(str,"}\n"); | |
| 792 | tab(str,level); | |
| 793 | str_scat(subs,str); | |
| 794 | str_set(str,""); | |
| 795 | str_cat(tmpstr,"("); | |
| 796 | tmp2str = str_new(0); | |
| 797 | if (subretnum) | |
| 798 | str_set(tmp2str,"1"); | |
| 799 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 800 | str_free(tmpstr); | |
| 801 | level++; | |
| 802 | break; | |
| 803 | case ORETURN: | |
| 804 | str = str_new(0); | |
| 805 | if (len > 0) { | |
| 806 | str_cat(str,"return "); | |
| 807 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); | |
| 808 | str_free(fstr); | |
| 809 | if (numarg) | |
| 810 | subretnum = TRUE; | |
| 811 | } | |
| 812 | else | |
| 813 | str_cat(str,"return"); | |
| 814 | break; | |
| 815 | case OUSERFUN: | |
| 816 | str = str_new(0); | |
| 817 | str_set(str,"&"); | |
| 818 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 819 | str_free(fstr); | |
| 820 | str_cat(str,"("); | |
| 821 | tmpstr = hfetch(symtab,str->str_ptr+3); | |
| 822 | if (tmpstr && tmpstr->str_ptr) | |
| 823 | numeric |= atoi(tmpstr->str_ptr); | |
| 824 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 825 | str_free(fstr); | |
| 826 | str_cat(str,")"); | |
| 827 | break; | |
| 828 | case OGSUB: | |
| 0335b3e4 MB |
829 | case OSUB: { |
| 830 | int gsub = type == OGSUB ? 1 : 0; | |
| a687059c LW |
831 | str = str_new(0); |
| 832 | tmpstr = str_new(0); | |
| 833 | i = 0; | |
| 834 | if (len == 3) { | |
| 835 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); | |
| 836 | if (strNE(tmpstr->str_ptr,"$_")) { | |
| 837 | str_cat(tmpstr, " =~ s"); | |
| 838 | i++; | |
| 839 | } | |
| 840 | else | |
| 841 | str_set(tmpstr, "s"); | |
| 842 | } | |
| 843 | else | |
| 844 | str_set(tmpstr, "s"); | |
| 845 | type = ops[ops[node+2].ival].ival; | |
| 846 | len = type >> 8; | |
| 847 | type &= 255; | |
| 848 | tmp3str = str_new(0); | |
| 849 | if (type == OSTR) { | |
| 850 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); | |
| 851 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { | |
| 852 | if (*t == '&') | |
| c5cf9ec2 | 853 | *d++ = '$' + (char)128; |
| a687059c | 854 | else if (*t == '$') |
| c5cf9ec2 | 855 | *d++ = '\\' + (char)128; |
| a687059c LW |
856 | *d = *t + 128; |
| 857 | } | |
| 858 | *d = '\0'; | |
| 859 | str_set(tmp2str,tokenbuf); | |
| 0335b3e4 | 860 | s = gsub ? "/g" : "/"; |
| a687059c LW |
861 | } |
| 862 | else { | |
| 863 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 864 | str_set(tmp3str,"($s_ = '\"'.("); | |
| 865 | str_scat(tmp3str,tmp2str); | |
| 866 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); | |
| 867 | str_set(tmp2str,"eval $s_"); | |
| 0335b3e4 | 868 | s = gsub ? "/ge" : "/e"; |
| a687059c LW |
869 | i++; |
| 870 | } | |
| 0335b3e4 | 871 | str_cat(tmp2str,s); |
| a687059c LW |
872 | type = ops[ops[node+1].ival].ival; |
| 873 | len = type >> 8; | |
| 874 | type &= 255; | |
| 875 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 876 | if (type == OREGEX) { | |
| 877 | if (useval && i) | |
| 878 | str_cat(str,"("); | |
| 879 | str_scat(str,tmp3str); | |
| 880 | str_scat(str,tmpstr); | |
| 881 | str_scat(str,fstr); | |
| 882 | str_scat(str,tmp2str); | |
| a687059c LW |
883 | } |
| 884 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { | |
| 885 | if (useval && i) | |
| 886 | str_cat(str,"("); | |
| 887 | str_scat(str,tmp3str); | |
| 888 | str_scat(str,tmpstr); | |
| 889 | str_cat(str,"/"); | |
| 890 | str_scat(str,fstr); | |
| 891 | str_cat(str,"/"); | |
| 892 | str_scat(str,tmp2str); | |
| a687059c LW |
893 | } |
| 894 | else { | |
| 895 | i++; | |
| 896 | if (useval) | |
| 897 | str_cat(str,"("); | |
| 898 | str_cat(str,"$s = "); | |
| 899 | str_scat(str,fstr); | |
| 900 | str_cat(str,", "); | |
| 901 | str_scat(str,tmp3str); | |
| 902 | str_scat(str,tmpstr); | |
| 903 | str_cat(str,"/$s/"); | |
| 904 | str_scat(str,tmp2str); | |
| a687059c LW |
905 | } |
| 906 | if (useval && i) | |
| 907 | str_cat(str,")"); | |
| 908 | str_free(fstr); | |
| 909 | str_free(tmpstr); | |
| 910 | str_free(tmp2str); | |
| 911 | str_free(tmp3str); | |
| 912 | numeric = 1; | |
| 0335b3e4 | 913 | break; } |
| 8d063cd8 | 914 | case ONUM: |
| a687059c | 915 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
916 | numeric = 1; |
| 917 | break; | |
| 918 | case OSTR: | |
| a687059c | 919 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 920 | s = "'"; |
| 378cc40b LW |
921 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
| 922 | if (*t == '\'') | |
| 923 | s = "\""; | |
| 924 | else if (*t == '\\') { | |
| 8d063cd8 | 925 | s = "\""; |
| 378cc40b LW |
926 | *d++ = *t++ + 128; |
| 927 | switch (*t) { | |
| fe14fcc3 | 928 | case '\\': case '"': case 'n': case 't': case '$': |
| 378cc40b LW |
929 | break; |
| 930 | default: /* hide this from perl */ | |
| c5cf9ec2 | 931 | *d++ = '\\' + (char)128; |
| 378cc40b LW |
932 | } |
| 933 | } | |
| 934 | *d = *t + 128; | |
| 8d063cd8 | 935 | } |
| 378cc40b | 936 | *d = '\0'; |
| 8d063cd8 LW |
937 | str = str_new(0); |
| 938 | str_set(str,s); | |
| 378cc40b | 939 | str_cat(str,tokenbuf); |
| 8d063cd8 LW |
940 | str_free(tmpstr); |
| 941 | str_cat(str,s); | |
| 942 | break; | |
| a687059c LW |
943 | case ODEFINED: |
| 944 | prec = P_UNI; | |
| 945 | str = str_new(0); | |
| 946 | str_set(str,"defined $"); | |
| 947 | goto addvar; | |
| 948 | case ODELETE: | |
| 949 | str = str_new(0); | |
| 950 | str_set(str,"delete $"); | |
| 951 | goto addvar; | |
| 952 | case OSTAR: | |
| 953 | str = str_new(0); | |
| 954 | str_set(str,"*"); | |
| 955 | goto addvar; | |
| 8d063cd8 LW |
956 | case OVAR: |
| 957 | str = str_new(0); | |
| 958 | str_set(str,"$"); | |
| a687059c LW |
959 | addvar: |
| 960 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
961 | if (len == 1) { |
| 962 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 963 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 964 | numeric = 2; | |
| a687059c LW |
965 | if (strEQ(str->str_ptr,"$FNR")) { |
| 966 | numeric = 1; | |
| 967 | saw_FNR++; | |
| 968 | str_set(str,"($.-$FNRbase)"); | |
| 969 | } | |
| 970 | else if (strEQ(str->str_ptr,"$NR")) { | |
| 8d063cd8 LW |
971 | numeric = 1; |
| 972 | str_set(str,"$."); | |
| 973 | } | |
| 974 | else if (strEQ(str->str_ptr,"$NF")) { | |
| 975 | numeric = 1; | |
| 976 | str_set(str,"$#Fld"); | |
| 977 | } | |
| 978 | else if (strEQ(str->str_ptr,"$0")) | |
| 979 | str_set(str,"$_"); | |
| a687059c LW |
980 | else if (strEQ(str->str_ptr,"$ARGC")) |
| 981 | str_set(str,"($#ARGV+1)"); | |
| 8d063cd8 LW |
982 | } |
| 983 | else { | |
| a687059c LW |
984 | #ifdef NOTDEF |
| 985 | if (curargs) { | |
| 986 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); | |
| 987 | ??? if (instr(curargs->str_ptr,tokenbuf)) | |
| 988 | str_cat(str,"\377"); /* can't translate yet */ | |
| 989 | } | |
| 990 | #endif | |
| 8d063cd8 LW |
991 | str_cat(tmpstr,"[]"); |
| 992 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 993 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 994 | str_cat(str,"["); | |
| 995 | else | |
| 996 | str_cat(str,"{"); | |
| a687059c | 997 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 | 998 | str_free(fstr); |
| a687059c LW |
999 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
| 1000 | str_set(str,"$ARGV0"); | |
| 1001 | saw_argv0++; | |
| 1002 | } | |
| 1003 | else { | |
| 1004 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 1005 | strcpy(tokenbuf,"]"); | |
| 1006 | else | |
| 1007 | strcpy(tokenbuf,"}"); | |
| c5cf9ec2 | 1008 | *tokenbuf += (char)128; |
| a687059c LW |
1009 | str_cat(str,tokenbuf); |
| 1010 | } | |
| 8d063cd8 LW |
1011 | } |
| 1012 | str_free(tmpstr); | |
| 1013 | break; | |
| 1014 | case OFLD: | |
| 1015 | str = str_new(0); | |
| 1016 | if (split_to_array) { | |
| 1017 | str_set(str,"$Fld"); | |
| 1018 | str_cat(str,"["); | |
| a687059c | 1019 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1020 | str_free(fstr); |
| 1021 | str_cat(str,"]"); | |
| 1022 | } | |
| 1023 | else { | |
| a687059c | 1024 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
| 8d063cd8 LW |
1025 | if (i <= arymax) |
| 1026 | sprintf(tokenbuf,"$%s",nameary[i]); | |
| 1027 | else | |
| 1028 | sprintf(tokenbuf,"$Fld%d",i); | |
| 1029 | str_set(str,tokenbuf); | |
| 1030 | } | |
| 1031 | break; | |
| 1032 | case OVFLD: | |
| 1033 | str = str_new(0); | |
| 1034 | str_set(str,"$Fld["); | |
| 1035 | i = ops[node+1].ival; | |
| 1036 | if ((ops[i].ival & 255) == OPAREN) | |
| 1037 | i = ops[i+1].ival; | |
| a687059c | 1038 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
| 8d063cd8 LW |
1039 | str_scat(str,tmpstr); |
| 1040 | str_free(tmpstr); | |
| 1041 | str_cat(str,"]"); | |
| 1042 | break; | |
| 1043 | case OJUNK: | |
| 1044 | goto def; | |
| 1045 | case OSNEWLINE: | |
| 1046 | str = str_new(2); | |
| 1047 | str_set(str,";\n"); | |
| 1048 | tab(str,level); | |
| 1049 | break; | |
| 1050 | case ONEWLINE: | |
| 1051 | str = str_new(1); | |
| 1052 | str_set(str,"\n"); | |
| 1053 | tab(str,level); | |
| 1054 | break; | |
| 1055 | case OSCOMMENT: | |
| 1056 | str = str_new(0); | |
| 1057 | str_set(str,";"); | |
| a687059c | 1058 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1059 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| c5cf9ec2 | 1060 | *s += (char)128; |
| 8d063cd8 LW |
1061 | str_scat(str,tmpstr); |
| 1062 | str_free(tmpstr); | |
| 1063 | tab(str,level); | |
| 1064 | break; | |
| 1065 | case OCOMMENT: | |
| 1066 | str = str_new(0); | |
| a687059c | 1067 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1068 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| c5cf9ec2 | 1069 | *s += (char)128; |
| 8d063cd8 LW |
1070 | str_scat(str,tmpstr); |
| 1071 | str_free(tmpstr); | |
| 1072 | tab(str,level); | |
| 1073 | break; | |
| 1074 | case OCOMMA: | |
| a687059c LW |
1075 | prec = P_COMMA; |
| 1076 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 1077 | str_cat(str,", "); |
| a687059c LW |
1078 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 1079 | str_free(fstr); | |
| 1080 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1081 | str_free(fstr); |
| 1082 | break; | |
| 1083 | case OSEMICOLON: | |
| 1084 | str = str_new(1); | |
| a687059c LW |
1085 | str_set(str,";\n"); |
| 1086 | tab(str,level); | |
| 8d063cd8 LW |
1087 | break; |
| 1088 | case OSTATES: | |
| a687059c LW |
1089 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 1090 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
1091 | str_free(fstr); |
| 1092 | break; | |
| 1093 | case OSTATE: | |
| 1094 | str = str_new(0); | |
| 1095 | if (len >= 1) { | |
| a687059c | 1096 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1097 | str_free(fstr); |
| 1098 | if (len >= 2) { | |
| a687059c | 1099 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
1100 | if (*tmpstr->str_ptr == ';') { |
| 1101 | addsemi(str); | |
| 1102 | str_cat(str,tmpstr->str_ptr+1); | |
| 1103 | } | |
| 1104 | str_free(tmpstr); | |
| 1105 | } | |
| 1106 | } | |
| 1107 | break; | |
| a687059c LW |
1108 | case OCLOSE: |
| 1109 | str = str_make("close("); | |
| 1110 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1111 | if (!do_fancy_opens) { | |
| 1112 | t = tmpstr->str_ptr; | |
| 1113 | if (*t == '"' || *t == '\'') | |
| 1114 | t = cpytill(tokenbuf,t+1,*t); | |
| 1115 | else | |
| 1116 | fatal("Internal error: OCLOSE %s",t); | |
| 1117 | s = savestr(tokenbuf); | |
| 1118 | for (t = tokenbuf; *t; t++) { | |
| 1119 | *t &= 127; | |
| 3f939f22 JH |
1120 | if (isLOWER(*t)) |
| 1121 | *t = toUPPER(*t); | |
| 1122 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| a687059c LW |
1123 | *t = '_'; |
| 1124 | } | |
| a0d0e21e | 1125 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1126 | strcpy(t,"_FH"); |
| a687059c LW |
1127 | str_free(tmpstr); |
| 1128 | safefree(s); | |
| 1129 | str_set(str,"close "); | |
| 1130 | str_cat(str,tokenbuf); | |
| 1131 | } | |
| 1132 | else { | |
| 7c0587c8 LW |
1133 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
| 1134 | tmpstr->str_ptr, tmpstr->str_ptr); | |
| a687059c LW |
1135 | str_free(tmpstr); |
| 1136 | str_set(str,tokenbuf); | |
| 1137 | } | |
| 1138 | break; | |
| 8d063cd8 LW |
1139 | case OPRINTF: |
| 1140 | case OPRINT: | |
| 378cc40b LW |
1141 | lparen = ""; /* set to parens if necessary */ |
| 1142 | rparen = ""; | |
| 8d063cd8 LW |
1143 | str = str_new(0); |
| 1144 | if (len == 3) { /* output redirection */ | |
| a687059c LW |
1145 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
| 1146 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
1147 | if (!do_fancy_opens) { |
| 1148 | t = tmpstr->str_ptr; | |
| 1149 | if (*t == '"' || *t == '\'') | |
| 1150 | t = cpytill(tokenbuf,t+1,*t); | |
| 1151 | else | |
| 1152 | fatal("Internal error: OPRINT"); | |
| 1153 | d = savestr(t); | |
| 1154 | s = savestr(tokenbuf); | |
| 1155 | for (t = tokenbuf; *t; t++) { | |
| 1156 | *t &= 127; | |
| 3f939f22 JH |
1157 | if (isLOWER(*t)) |
| 1158 | *t = toUPPER(*t); | |
| 1159 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| 8d063cd8 LW |
1160 | *t = '_'; |
| 1161 | } | |
| a0d0e21e | 1162 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1163 | strcpy(t,"_FH"); |
| a687059c LW |
1164 | tmp3str = hfetch(symtab,tokenbuf); |
| 1165 | if (!tmp3str) { | |
| 1166 | str_cat(opens,"open("); | |
| 1167 | str_cat(opens,tokenbuf); | |
| 1168 | str_cat(opens,", "); | |
| 1169 | d[1] = '\0'; | |
| 1170 | str_cat(opens,d); | |
| 1171 | str_scat(opens,tmp2str); | |
| 1172 | str_cat(opens,tmpstr->str_ptr+1); | |
| 1173 | if (*tmp2str->str_ptr == '|') | |
| 1174 | str_cat(opens,") || die 'Cannot pipe to \""); | |
| 1175 | else | |
| 1176 | str_cat(opens,") || die 'Cannot create file \""); | |
| 1177 | if (*d == '"') | |
| 1178 | str_cat(opens,"'.\""); | |
| 1179 | str_cat(opens,s); | |
| 1180 | if (*d == '"') | |
| 1181 | str_cat(opens,"\".'"); | |
| 1182 | str_cat(opens,"\".';\n"); | |
| 1183 | hstore(symtab,tokenbuf,str_make("x")); | |
| 1184 | } | |
| 8d063cd8 LW |
1185 | str_free(tmpstr); |
| 1186 | str_free(tmp2str); | |
| 1187 | safefree(s); | |
| 1188 | safefree(d); | |
| 1189 | } | |
| 1190 | else { | |
| a687059c | 1191 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
| 8d063cd8 LW |
1192 | tmp2str->str_ptr, tmpstr->str_ptr); |
| 1193 | str_cat(str,tokenbuf); | |
| 1194 | tab(str,level+1); | |
| a687059c | 1195 | strcpy(tokenbuf,"$fh"); |
| 8d063cd8 LW |
1196 | str_free(tmpstr); |
| 1197 | str_free(tmp2str); | |
| 378cc40b LW |
1198 | lparen = "("; |
| 1199 | rparen = ")"; | |
| 8d063cd8 LW |
1200 | } |
| 1201 | } | |
| 1202 | else | |
| a687059c | 1203 | strcpy(tokenbuf,""); |
| 378cc40b | 1204 | str_cat(str,lparen); /* may be null */ |
| 8d063cd8 LW |
1205 | if (type == OPRINTF) |
| 1206 | str_cat(str,"printf"); | |
| 1207 | else | |
| 1208 | str_cat(str,"print"); | |
| d48672a2 | 1209 | saw_fh = 0; |
| 8d063cd8 | 1210 | if (len == 3 || do_fancy_opens) { |
| d48672a2 | 1211 | if (*tokenbuf) { |
| 8d063cd8 | 1212 | str_cat(str," "); |
| d48672a2 LW |
1213 | saw_fh = 1; |
| 1214 | } | |
| 8d063cd8 LW |
1215 | str_cat(str,tokenbuf); |
| 1216 | } | |
| a687059c | 1217 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1218 | if (!*tmpstr->str_ptr && lval_field) { |
| 2b260de0 | 1219 | t = (char*)(saw_OFS ? "$," : "' '"); |
| 8d063cd8 LW |
1220 | if (split_to_array) { |
| 1221 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1222 | str_cat(tmpstr,tokenbuf); | |
| 1223 | } | |
| 1224 | else { | |
| 1225 | for (i = 1; i < maxfld; i++) { | |
| 1226 | if (i <= arymax) | |
| 1227 | sprintf(tokenbuf,"$%s, ",nameary[i]); | |
| 1228 | else | |
| 1229 | sprintf(tokenbuf,"$Fld%d, ",i); | |
| 1230 | str_cat(tmpstr,tokenbuf); | |
| 1231 | } | |
| 1232 | if (maxfld <= arymax) | |
| 1233 | sprintf(tokenbuf,"$%s",nameary[maxfld]); | |
| 1234 | else | |
| 1235 | sprintf(tokenbuf,"$Fld%d",maxfld); | |
| 1236 | str_cat(tmpstr,tokenbuf); | |
| 1237 | } | |
| 1238 | } | |
| 1239 | if (*tmpstr->str_ptr) { | |
| 1240 | str_cat(str," "); | |
| d48672a2 LW |
1241 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
| 1242 | str_cat(str,"("); | |
| 1243 | str_scat(str,tmpstr); | |
| 1244 | str_cat(str,")"); | |
| 1245 | } | |
| 1246 | else | |
| 1247 | str_scat(str,tmpstr); | |
| 8d063cd8 LW |
1248 | } |
| 1249 | else { | |
| 1250 | str_cat(str," $_"); | |
| 1251 | } | |
| 378cc40b | 1252 | str_cat(str,rparen); /* may be null */ |
| 8d063cd8 LW |
1253 | str_free(tmpstr); |
| 1254 | break; | |
| a687059c LW |
1255 | case ORAND: |
| 1256 | str = str_make("rand(1)"); | |
| 1257 | break; | |
| 1258 | case OSRAND: | |
| 1259 | str = str_make("srand("); | |
| 1260 | goto maybe0; | |
| 1261 | case OATAN2: | |
| 1262 | str = str_make("atan2("); | |
| 1263 | goto maybe0; | |
| 1264 | case OSIN: | |
| 1265 | str = str_make("sin("); | |
| 1266 | goto maybe0; | |
| 1267 | case OCOS: | |
| 1268 | str = str_make("cos("); | |
| 1269 | goto maybe0; | |
| 1270 | case OSYSTEM: | |
| 1271 | str = str_make("system("); | |
| 1272 | goto maybe0; | |
| 8d063cd8 LW |
1273 | case OLENGTH: |
| 1274 | str = str_make("length("); | |
| 1275 | goto maybe0; | |
| 1276 | case OLOG: | |
| 1277 | str = str_make("log("); | |
| 1278 | goto maybe0; | |
| 1279 | case OEXP: | |
| 1280 | str = str_make("exp("); | |
| 1281 | goto maybe0; | |
| 1282 | case OSQRT: | |
| 1283 | str = str_make("sqrt("); | |
| 1284 | goto maybe0; | |
| 1285 | case OINT: | |
| 1286 | str = str_make("int("); | |
| 1287 | maybe0: | |
| 1288 | numeric = 1; | |
| 1289 | if (len > 0) | |
| a687059c | 1290 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1291 | else |
| db7c17d7 | 1292 | tmpstr = str_new(0); |
| fe14fcc3 | 1293 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
| 8d063cd8 | 1294 | if (lval_field) { |
| 2b260de0 | 1295 | t = (char*)(saw_OFS ? "$," : "' '"); |
| 8d063cd8 LW |
1296 | if (split_to_array) { |
| 1297 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1298 | str_cat(tmpstr,tokenbuf); | |
| 1299 | } | |
| 1300 | else { | |
| 1301 | sprintf(tokenbuf,"join(%s, ",t); | |
| 1302 | str_cat(tmpstr,tokenbuf); | |
| 1303 | for (i = 1; i < maxfld; i++) { | |
| 1304 | if (i <= arymax) | |
| 1305 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1306 | else | |
| 1307 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1308 | str_cat(tmpstr,tokenbuf); | |
| 1309 | } | |
| 1310 | if (maxfld <= arymax) | |
| 1311 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1312 | else | |
| 1313 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1314 | str_cat(tmpstr,tokenbuf); | |
| 1315 | } | |
| 1316 | } | |
| 1317 | else | |
| 1318 | str_cat(tmpstr,"$_"); | |
| 1319 | } | |
| 1320 | if (strEQ(tmpstr->str_ptr,"$_")) { | |
| 1321 | if (type == OLENGTH && !do_chop) { | |
| 1322 | str = str_make("(length("); | |
| 1323 | str_cat(tmpstr,") - 1"); | |
| 1324 | } | |
| 1325 | } | |
| 1326 | str_scat(str,tmpstr); | |
| 1327 | str_free(tmpstr); | |
| 1328 | str_cat(str,")"); | |
| 1329 | break; | |
| 1330 | case OBREAK: | |
| 1331 | str = str_new(0); | |
| 1332 | str_set(str,"last"); | |
| 1333 | break; | |
| 1334 | case ONEXT: | |
| 1335 | str = str_new(0); | |
| 1336 | str_set(str,"next line"); | |
| 1337 | break; | |
| 1338 | case OEXIT: | |
| 1339 | str = str_new(0); | |
| 1340 | if (realexit) { | |
| a687059c | 1341 | prec = P_UNI; |
| 8d063cd8 LW |
1342 | str_set(str,"exit"); |
| 1343 | if (len == 1) { | |
| 1344 | str_cat(str," "); | |
| 1345 | exitval = TRUE; | |
| a687059c LW |
1346 | str_scat(str, |
| 1347 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1348 | str_free(fstr); |
| 1349 | } | |
| 1350 | } | |
| 1351 | else { | |
| 1352 | if (len == 1) { | |
| 9f68db38 | 1353 | str_set(str,"$ExitValue = "); |
| 8d063cd8 | 1354 | exitval = TRUE; |
| a687059c LW |
1355 | str_scat(str, |
| 1356 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); | |
| 8d063cd8 LW |
1357 | str_free(fstr); |
| 1358 | str_cat(str,"; "); | |
| 1359 | } | |
| 1360 | str_cat(str,"last line"); | |
| 1361 | } | |
| 1362 | break; | |
| 1363 | case OCONTINUE: | |
| 1364 | str = str_new(0); | |
| 1365 | str_set(str,"next"); | |
| 1366 | break; | |
| 1367 | case OREDIR: | |
| 1368 | goto def; | |
| 1369 | case OIF: | |
| 1370 | str = str_new(0); | |
| 1371 | str_set(str,"if ("); | |
| a687059c | 1372 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1373 | str_free(fstr); |
| 1374 | str_cat(str,") "); | |
| a687059c | 1375 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1376 | str_free(fstr); |
| 1377 | if (len == 3) { | |
| 1378 | i = ops[node+3].ival; | |
| 1379 | if (i) { | |
| 1380 | if ((ops[i].ival & 255) == OBLOCK) { | |
| 1381 | i = ops[i+1].ival; | |
| 1382 | if (i) { | |
| 1383 | if ((ops[i].ival & 255) != OIF) | |
| 1384 | i = 0; | |
| 1385 | } | |
| 1386 | } | |
| 1387 | else | |
| 1388 | i = 0; | |
| 1389 | } | |
| 1390 | if (i) { | |
| 1391 | str_cat(str,"els"); | |
| a687059c | 1392 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
| 8d063cd8 LW |
1393 | str_free(fstr); |
| 1394 | } | |
| 1395 | else { | |
| 1396 | str_cat(str,"else "); | |
| a687059c | 1397 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1398 | str_free(fstr); |
| 1399 | } | |
| 1400 | } | |
| 1401 | break; | |
| 1402 | case OWHILE: | |
| 1403 | str = str_new(0); | |
| 1404 | str_set(str,"while ("); | |
| a687059c | 1405 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1406 | str_free(fstr); |
| 1407 | str_cat(str,") "); | |
| a687059c | 1408 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1409 | str_free(fstr); |
| 1410 | break; | |
| 7c0587c8 LW |
1411 | case ODO: |
| 1412 | str = str_new(0); | |
| 1413 | str_set(str,"do "); | |
| 1414 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 1415 | str_free(fstr); | |
| 1416 | if (str->str_ptr[str->str_cur - 1] == '\n') | |
| db7c17d7 | 1417 | --str->str_cur; |
| 7c0587c8 LW |
1418 | str_cat(str," while ("); |
| 1419 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1420 | str_free(fstr); | |
| 1421 | str_cat(str,");"); | |
| 1422 | break; | |
| 8d063cd8 LW |
1423 | case OFOR: |
| 1424 | str = str_new(0); | |
| 1425 | str_set(str,"for ("); | |
| a687059c | 1426 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1427 | i = numarg; |
| 1428 | if (i) { | |
| 1429 | t = s = tmpstr->str_ptr; | |
| 3f939f22 | 1430 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_') |
| 8d063cd8 LW |
1431 | t++; |
| 1432 | i = t - s; | |
| 1433 | if (i < 2) | |
| 1434 | i = 0; | |
| 1435 | } | |
| 1436 | str_cat(str,"; "); | |
| a687059c | 1437 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| a0d0e21e | 1438 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
| 8d063cd8 LW |
1439 | if (strnEQ(fstr->str_ptr,s,i)) |
| 1440 | *t = ' '; | |
| 1441 | } | |
| 1442 | str_scat(str,fstr); | |
| 1443 | str_free(fstr); | |
| 1444 | str_free(tmpstr); | |
| 1445 | str_cat(str,"; "); | |
| a687059c | 1446 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1447 | str_free(fstr); |
| 1448 | str_cat(str,") "); | |
| a687059c | 1449 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1450 | str_free(fstr); |
| 1451 | break; | |
| 1452 | case OFORIN: | |
| a687059c | 1453 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| a0d0e21e | 1454 | d = strchr(tmpstr->str_ptr,'$'); |
| a687059c LW |
1455 | if (!d) |
| 1456 | fatal("Illegal for loop: %s",tmpstr->str_ptr); | |
| a0d0e21e | 1457 | s = strchr(d,'{'); |
| a687059c | 1458 | if (!s) |
| a0d0e21e | 1459 | s = strchr(d,'['); |
| a687059c LW |
1460 | if (!s) |
| 1461 | fatal("Illegal for loop: %s",d); | |
| 1462 | *s++ = '\0'; | |
| b7953727 | 1463 | for (t = s; (i = *t); t++) { |
| ffed7fef LW |
1464 | i &= 127; |
| 1465 | if (i == '}' || i == ']') | |
| 1466 | break; | |
| 1467 | } | |
| 1468 | if (*t) | |
| a687059c | 1469 | *t = '\0'; |
| 8d063cd8 | 1470 | str = str_new(0); |
| a687059c | 1471 | str_set(str,d+1); |
| 8d063cd8 LW |
1472 | str_cat(str,"[]"); |
| 1473 | tmp2str = hfetch(symtab,str->str_ptr); | |
| 1474 | if (tmp2str && atoi(tmp2str->str_ptr)) { | |
| 8d063cd8 | 1475 | sprintf(tokenbuf, |
| 62b28dd9 | 1476 | "foreach %s ($[ .. $#%s) ", |
| a687059c LW |
1477 | s, |
| 1478 | d+1); | |
| 8d063cd8 LW |
1479 | } |
| 1480 | else { | |
| a687059c LW |
1481 | sprintf(tokenbuf, |
| 1482 | "foreach %s (keys %%%s) ", | |
| 1483 | s, | |
| 1484 | d+1); | |
| 8d063cd8 | 1485 | } |
| a687059c LW |
1486 | str_set(str,tokenbuf); |
| 1487 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1488 | str_free(fstr); | |
| 8d063cd8 LW |
1489 | str_free(tmpstr); |
| 1490 | break; | |
| 1491 | case OBLOCK: | |
| 1492 | str = str_new(0); | |
| 1493 | str_set(str,"{"); | |
| 378cc40b | 1494 | if (len >= 2 && ops[node+2].ival) { |
| a687059c | 1495 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1496 | str_free(fstr); |
| 1497 | } | |
| 1498 | fixtab(str,++level); | |
| a687059c | 1499 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1500 | str_free(fstr); |
| 1501 | addsemi(str); | |
| 1502 | fixtab(str,--level); | |
| 1503 | str_cat(str,"}\n"); | |
| 1504 | tab(str,level); | |
| 378cc40b | 1505 | if (len >= 3) { |
| a687059c | 1506 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 378cc40b LW |
1507 | str_free(fstr); |
| 1508 | } | |
| 8d063cd8 LW |
1509 | break; |
| 1510 | default: | |
| 1511 | def: | |
| 1512 | if (len) { | |
| 1513 | if (len > 5) | |
| 1514 | fatal("Garbage length in walk"); | |
| a687059c | 1515 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1516 | for (i = 2; i<= len; i++) { |
| a687059c | 1517 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1518 | str_free(fstr); |
| 1519 | } | |
| 1520 | } | |
| 1521 | else { | |
| 1522 | str = Nullstr; | |
| 1523 | } | |
| 1524 | break; | |
| 1525 | } | |
| 1526 | if (!str) | |
| 1527 | str = str_new(0); | |
| a687059c LW |
1528 | |
| 1529 | if (useval && prec < minprec) { /* need parens? */ | |
| 1530 | fstr = str_new(str->str_cur+2); | |
| 1531 | str_nset(fstr,"(",1); | |
| 1532 | str_scat(fstr,str); | |
| 1533 | str_ncat(fstr,")",1); | |
| 1534 | str_free(str); | |
| 1535 | str = fstr; | |
| 1536 | } | |
| 1537 | ||
| 8d063cd8 LW |
1538 | *numericptr = numeric; |
| 1539 | #ifdef DEBUGGING | |
| 1540 | if (debug & 4) { | |
| 1541 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); | |
| 1542 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) | |
| 1543 | if (*t == '\n') | |
| 1544 | printf("\\n"); | |
| 1545 | else if (*t == '\t') | |
| 1546 | printf("\\t"); | |
| 1547 | else | |
| 1548 | putchar(*t); | |
| 1549 | putchar('\n'); | |
| 1550 | } | |
| 1551 | #endif | |
| 1552 | return str; | |
| 1553 | } | |
| 1554 | ||
| 748a9306 | 1555 | static void |
| f0f333f4 | 1556 | tab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1557 | { |
| 1558 | while (lvl > 1) { | |
| 1559 | str_cat(str,"\t"); | |
| 1560 | lvl -= 2; | |
| 1561 | } | |
| 1562 | if (lvl) | |
| 1563 | str_cat(str," "); | |
| 1564 | } | |
| 1565 | ||
| 748a9306 | 1566 | static void |
| f0f333f4 | 1567 | fixtab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1568 | { |
| 1569 | register char *s; | |
| 1570 | ||
| 1571 | /* strip trailing white space */ | |
| 1572 | ||
| 1573 | s = str->str_ptr+str->str_cur - 1; | |
| a687059c | 1574 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
| 8d063cd8 LW |
1575 | s--; |
| 1576 | s[1] = '\0'; | |
| 1577 | str->str_cur = s + 1 - str->str_ptr; | |
| 1578 | if (s >= str->str_ptr && *s != '\n') | |
| 1579 | str_cat(str,"\n"); | |
| 1580 | ||
| 1581 | tab(str,lvl); | |
| 1582 | } | |
| 1583 | ||
| 748a9306 | 1584 | static void |
| f0f333f4 | 1585 | addsemi(register STR *str) |
| 8d063cd8 LW |
1586 | { |
| 1587 | register char *s; | |
| 1588 | ||
| 1589 | s = str->str_ptr+str->str_cur - 1; | |
| 1590 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) | |
| 1591 | s--; | |
| 1592 | if (s >= str->str_ptr && *s != ';' && *s != '}') | |
| 1593 | str_cat(str,";"); | |
| 1594 | } | |
| 1595 | ||
| 56febc5e | 1596 | static void |
| f0f333f4 | 1597 | emit_split(register STR *str, int level) |
| 8d063cd8 LW |
1598 | { |
| 1599 | register int i; | |
| 1600 | ||
| 1601 | if (split_to_array) | |
| 1602 | str_cat(str,"@Fld"); | |
| 1603 | else { | |
| 1604 | str_cat(str,"("); | |
| 1605 | for (i = 1; i < maxfld; i++) { | |
| 1606 | if (i <= arymax) | |
| 1607 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1608 | else | |
| 1609 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1610 | str_cat(str,tokenbuf); | |
| 1611 | } | |
| 1612 | if (maxfld <= arymax) | |
| 1613 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1614 | else | |
| 1615 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1616 | str_cat(str,tokenbuf); | |
| 1617 | } | |
| 1618 | if (const_FS) { | |
| 62b28dd9 | 1619 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
| 8d063cd8 LW |
1620 | str_cat(str,tokenbuf); |
| 1621 | } | |
| 1622 | else if (saw_FS) | |
| 62b28dd9 | 1623 | str_cat(str," = split($FS, $_, 9999);\n"); |
| 8d063cd8 | 1624 | else |
| 62b28dd9 | 1625 | str_cat(str," = split(' ', $_, 9999);\n"); |
| 8d063cd8 LW |
1626 | tab(str,level); |
| 1627 | } | |
| 1628 | ||
| 9c8d0b29 | 1629 | int |
| f0f333f4 | 1630 | prewalk(int numit, int level, register int node, int *numericptr) |
| 8d063cd8 LW |
1631 | { |
| 1632 | register int len; | |
| 1633 | register int type; | |
| 1634 | register int i; | |
| 8d063cd8 LW |
1635 | int numarg; |
| 1636 | int numeric = FALSE; | |
| a687059c LW |
1637 | STR *tmpstr; |
| 1638 | STR *tmp2str; | |
| 8d063cd8 LW |
1639 | |
| 1640 | if (!node) { | |
| 1641 | *numericptr = 0; | |
| 1642 | return 0; | |
| 1643 | } | |
| 1644 | type = ops[node].ival; | |
| 1645 | len = type >> 8; | |
| 1646 | type &= 255; | |
| 1647 | switch (type) { | |
| 1648 | case OPROG: | |
| 1649 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1650 | if (ops[node+2].ival) { | |
| 1651 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1652 | } | |
| 1653 | ++level; | |
| 1654 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1655 | --level; | |
| 1656 | if (ops[node+3].ival) { | |
| 1657 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1658 | } | |
| 1659 | break; | |
| 1660 | case OHUNKS: | |
| 1661 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1662 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1663 | if (len == 3) { | |
| 1664 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1665 | } | |
| 1666 | break; | |
| 1667 | case ORANGE: | |
| 1668 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1669 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1670 | break; | |
| 1671 | case OPAT: | |
| 1672 | goto def; | |
| 1673 | case OREGEX: | |
| 1674 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1675 | break; | |
| 1676 | case OHUNK: | |
| 1677 | if (len == 1) { | |
| 1678 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1679 | } | |
| 1680 | else { | |
| 1681 | i = prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1682 | if (i) { | |
| 1683 | ++level; | |
| 1684 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1685 | --level; | |
| 1686 | } | |
| 1687 | else { | |
| 1688 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1689 | } | |
| 1690 | } | |
| 1691 | break; | |
| 1692 | case OPPAREN: | |
| 1693 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1694 | break; | |
| 1695 | case OPANDAND: | |
| 1696 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1697 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1698 | break; | |
| 1699 | case OPOROR: | |
| 1700 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1701 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1702 | break; | |
| 1703 | case OPNOT: | |
| 1704 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1705 | break; | |
| 1706 | case OCPAREN: | |
| 1707 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1708 | numeric |= numarg; | |
| 1709 | break; | |
| 1710 | case OCANDAND: | |
| 1711 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1712 | numeric = 1; | |
| 1713 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1714 | break; | |
| 1715 | case OCOROR: | |
| 1716 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1717 | numeric = 1; | |
| 1718 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1719 | break; | |
| 1720 | case OCNOT: | |
| 1721 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1722 | numeric = 1; | |
| 1723 | break; | |
| 1724 | case ORELOP: | |
| 1725 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1726 | numeric |= numarg; | |
| 1727 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1728 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1729 | numeric |= numarg; | |
| 1730 | numeric = 1; | |
| 1731 | break; | |
| 1732 | case ORPAREN: | |
| 1733 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1734 | numeric |= numarg; | |
| 1735 | break; | |
| 1736 | case OMATCHOP: | |
| 1737 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1738 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1739 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1740 | numeric = 1; | |
| 1741 | break; | |
| 1742 | case OMPAREN: | |
| 1743 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1744 | numeric |= numarg; | |
| 1745 | break; | |
| 1746 | case OCONCAT: | |
| 1747 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1748 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1749 | break; | |
| 1750 | case OASSIGN: | |
| 1751 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1752 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1753 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 75f92628 | 1754 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
| 8d063cd8 LW |
1755 | numericize(ops[node+2].ival); |
| 1756 | if (!numarg) | |
| 1757 | numericize(ops[node+3].ival); | |
| 1758 | } | |
| 1759 | numeric |= numarg; | |
| 1760 | break; | |
| 1761 | case OADD: | |
| 1762 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1763 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1764 | numeric = 1; | |
| 1765 | break; | |
| a687059c | 1766 | case OSUBTRACT: |
| 8d063cd8 LW |
1767 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1768 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1769 | numeric = 1; | |
| 1770 | break; | |
| 1771 | case OMULT: | |
| 1772 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1773 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1774 | numeric = 1; | |
| 1775 | break; | |
| 1776 | case ODIV: | |
| 1777 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1778 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1779 | numeric = 1; | |
| 1780 | break; | |
| a687059c LW |
1781 | case OPOW: |
| 1782 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1783 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1784 | numeric = 1; | |
| 1785 | break; | |
| 8d063cd8 LW |
1786 | case OMOD: |
| 1787 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1788 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1789 | numeric = 1; | |
| 1790 | break; | |
| 1791 | case OPOSTINCR: | |
| 1792 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1793 | numeric = 1; | |
| 1794 | break; | |
| 1795 | case OPOSTDECR: | |
| 1796 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1797 | numeric = 1; | |
| 1798 | break; | |
| 1799 | case OPREINCR: | |
| 1800 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1801 | numeric = 1; | |
| 1802 | break; | |
| 1803 | case OPREDECR: | |
| 1804 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1805 | numeric = 1; | |
| 1806 | break; | |
| 1807 | case OUMINUS: | |
| 1808 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1809 | numeric = 1; | |
| 1810 | break; | |
| 1811 | case OUPLUS: | |
| 1812 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1813 | numeric = 1; | |
| 1814 | break; | |
| 1815 | case OPAREN: | |
| 1816 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1817 | numeric |= numarg; | |
| 1818 | break; | |
| 1819 | case OGETLINE: | |
| 1820 | break; | |
| 1821 | case OSPRINTF: | |
| 1822 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1823 | break; | |
| 1824 | case OSUBSTR: | |
| 1825 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1826 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1827 | if (len == 3) { | |
| 1828 | prewalk(1,level,ops[node+3].ival,&numarg); | |
| 1829 | } | |
| 1830 | break; | |
| 1831 | case OSTRING: | |
| 1832 | break; | |
| 1833 | case OSPLIT: | |
| 1834 | numeric = 1; | |
| 1835 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1836 | if (len == 3) | |
| 1837 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1838 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1839 | break; | |
| 1840 | case OINDEX: | |
| 1841 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1842 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1843 | numeric = 1; | |
| 1844 | break; | |
| a687059c LW |
1845 | case OMATCH: |
| 1846 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1847 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1848 | numeric = 1; | |
| 1849 | break; | |
| 1850 | case OUSERDEF: | |
| 1851 | subretnum = FALSE; | |
| 1852 | --level; | |
| 1853 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1854 | ++level; | |
| 1855 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1856 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1857 | prewalk(0,level,ops[node+5].ival,&numarg); | |
| 1858 | --level; | |
| 1859 | str_cat(tmpstr,"("); | |
| 1860 | tmp2str = str_new(0); | |
| 1861 | if (subretnum || numarg) | |
| 1862 | str_set(tmp2str,"1"); | |
| 1863 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 1864 | str_free(tmpstr); | |
| 1865 | level++; | |
| 1866 | break; | |
| 1867 | case ORETURN: | |
| 1868 | if (len > 0) { | |
| 1869 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1870 | if (numarg) | |
| 1871 | subretnum = TRUE; | |
| 1872 | } | |
| 1873 | break; | |
| 1874 | case OUSERFUN: | |
| 1875 | tmp2str = str_new(0); | |
| 1876 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 663a0e37 | 1877 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
| a687059c LW |
1878 | str_free(tmpstr); |
| 1879 | str_cat(tmp2str,"("); | |
| 1880 | tmpstr = hfetch(symtab,tmp2str->str_ptr); | |
| 1881 | if (tmpstr && tmpstr->str_ptr) | |
| 1882 | numeric |= atoi(tmpstr->str_ptr); | |
| 1883 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1884 | str_free(tmp2str); | |
| 1885 | break; | |
| 1886 | case OGSUB: | |
| 1887 | case OSUB: | |
| 1888 | if (len >= 3) | |
| 1889 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1890 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); | |
| 1891 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1892 | numeric = 1; | |
| 1893 | break; | |
| 8d063cd8 LW |
1894 | case ONUM: |
| 1895 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1896 | numeric = 1; | |
| 1897 | break; | |
| 1898 | case OSTR: | |
| 1899 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1900 | break; | |
| a687059c LW |
1901 | case ODEFINED: |
| 1902 | case ODELETE: | |
| 1903 | case OSTAR: | |
| 8d063cd8 LW |
1904 | case OVAR: |
| 1905 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1906 | if (len == 1) { | |
| 1907 | if (numit) | |
| 1908 | numericize(node); | |
| 1909 | } | |
| 1910 | else { | |
| 1911 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1912 | } | |
| 1913 | break; | |
| 1914 | case OFLD: | |
| 1915 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1916 | break; | |
| 1917 | case OVFLD: | |
| 1918 | i = ops[node+1].ival; | |
| 1919 | prewalk(0,level,i,&numarg); | |
| 1920 | break; | |
| 1921 | case OJUNK: | |
| 1922 | goto def; | |
| 1923 | case OSNEWLINE: | |
| 1924 | break; | |
| 1925 | case ONEWLINE: | |
| 1926 | break; | |
| 1927 | case OSCOMMENT: | |
| 1928 | break; | |
| 1929 | case OCOMMENT: | |
| 1930 | break; | |
| 1931 | case OCOMMA: | |
| 1932 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1933 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| a687059c | 1934 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 8d063cd8 LW |
1935 | break; |
| 1936 | case OSEMICOLON: | |
| 1937 | break; | |
| 1938 | case OSTATES: | |
| 1939 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1940 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1941 | break; | |
| 1942 | case OSTATE: | |
| 1943 | if (len >= 1) { | |
| 1944 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1945 | if (len >= 2) { | |
| 1946 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1947 | } | |
| 1948 | } | |
| 1949 | break; | |
| a687059c LW |
1950 | case OCLOSE: |
| 1951 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1952 | break; | |
| 8d063cd8 LW |
1953 | case OPRINTF: |
| 1954 | case OPRINT: | |
| 1955 | if (len == 3) { /* output redirection */ | |
| 1956 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1957 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1958 | } | |
| 1959 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); | |
| 1960 | break; | |
| a687059c LW |
1961 | case ORAND: |
| 1962 | break; | |
| 1963 | case OSRAND: | |
| 1964 | goto maybe0; | |
| 1965 | case OATAN2: | |
| 1966 | goto maybe0; | |
| 1967 | case OSIN: | |
| 1968 | goto maybe0; | |
| 1969 | case OCOS: | |
| 1970 | goto maybe0; | |
| 1971 | case OSYSTEM: | |
| 1972 | goto maybe0; | |
| 8d063cd8 LW |
1973 | case OLENGTH: |
| 1974 | goto maybe0; | |
| 1975 | case OLOG: | |
| 1976 | goto maybe0; | |
| 1977 | case OEXP: | |
| 1978 | goto maybe0; | |
| 1979 | case OSQRT: | |
| 1980 | goto maybe0; | |
| 1981 | case OINT: | |
| 1982 | maybe0: | |
| 1983 | numeric = 1; | |
| 1984 | if (len > 0) | |
| a687059c LW |
1985 | prewalk(type != OLENGTH && type != OSYSTEM, |
| 1986 | level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
1987 | break; |
| 1988 | case OBREAK: | |
| 1989 | break; | |
| 1990 | case ONEXT: | |
| 1991 | break; | |
| 1992 | case OEXIT: | |
| 1993 | if (len == 1) { | |
| 1994 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1995 | } | |
| 1996 | break; | |
| 1997 | case OCONTINUE: | |
| 1998 | break; | |
| 1999 | case OREDIR: | |
| 2000 | goto def; | |
| 2001 | case OIF: | |
| 2002 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2003 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2004 | if (len == 3) { | |
| 2005 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 2006 | } | |
| 2007 | break; | |
| 2008 | case OWHILE: | |
| 2009 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2010 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2011 | break; | |
| 2012 | case OFOR: | |
| 2013 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2014 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2015 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 2016 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 2017 | break; | |
| 2018 | case OFORIN: | |
| 2019 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2020 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
2021 | break; |
| 2022 | case OBLOCK: | |
| 2023 | if (len == 2) { | |
| 2024 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2025 | } | |
| 2026 | ++level; | |
| 2027 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2028 | --level; | |
| 2029 | break; | |
| 2030 | default: | |
| 2031 | def: | |
| 2032 | if (len) { | |
| 2033 | if (len > 5) | |
| 2034 | fatal("Garbage length in prewalk"); | |
| 2035 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2036 | for (i = 2; i<= len; i++) { | |
| 2037 | prewalk(0,level,ops[node+i].ival,&numarg); | |
| 2038 | } | |
| 2039 | } | |
| 2040 | break; | |
| 2041 | } | |
| 2042 | *numericptr = numeric; | |
| 2043 | return 1; | |
| 2044 | } | |
| 2045 | ||
| 748a9306 | 2046 | static void |
| f0f333f4 | 2047 | numericize(register int node) |
| 8d063cd8 LW |
2048 | { |
| 2049 | register int len; | |
| 2050 | register int type; | |
| 8d063cd8 LW |
2051 | STR *tmpstr; |
| 2052 | STR *tmp2str; | |
| 2053 | int numarg; | |
| 2054 | ||
| 2055 | type = ops[node].ival; | |
| 2056 | len = type >> 8; | |
| 2057 | type &= 255; | |
| 2058 | if (type == OVAR && len == 1) { | |
| a687059c | 2059 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
2060 | tmp2str = str_make("1"); |
| 2061 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 2062 | } | |
| 2063 | } |