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|---|---|---|
| 79072805 | 1 | /* $RCSfile: walk.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:31 $ |
| a687059c | 2 | * |
| 4bb101f2 JH |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, |
| 4 | * 2000, 2001, 2002, 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 | * $Log: walk.c,v $ | |
| 8d063cd8 LW |
10 | */ |
| 11 | ||
| 8d063cd8 | 12 | #include "EXTERN.h" |
| 8d063cd8 | 13 | #include "a2p.h" |
| 9c8d0b29 | 14 | #include "util.h" |
| 8d063cd8 LW |
15 | |
| 16 | bool exitval = FALSE; | |
| 17 | bool realexit = FALSE; | |
| 378cc40b | 18 | bool saw_getline = FALSE; |
| a687059c LW |
19 | bool subretnum = FALSE; |
| 20 | bool saw_FNR = FALSE; | |
| 21 | bool saw_argv0 = FALSE; | |
| d48672a2 | 22 | bool saw_fh = FALSE; |
| 8d063cd8 | 23 | int maxtmp = 0; |
| 378cc40b LW |
24 | char *lparen; |
| 25 | char *rparen; | |
| 55204971 | 26 | char *limit; |
| a687059c LW |
27 | STR *subs; |
| 28 | STR *curargs = Nullstr; | |
| 8d063cd8 | 29 | |
| 20ce7b12 GS |
30 | static void addsemi ( STR *str ); |
| 31 | static void emit_split ( STR *str, int level ); | |
| 32 | static void fixtab ( STR *str, int lvl ); | |
| 33 | static void numericize ( int node ); | |
| 34 | static void tab ( STR *str, int lvl ); | |
| 56febc5e | 35 | |
| 20ce7b12 GS |
36 | int prewalk ( int numit, int level, int node, int *numericptr ); |
| 37 | STR * walk ( int useval, int level, int node, int *numericptr, int minprec ); | |
| 011f1a1a JH |
38 | #ifdef NETWARE |
| 39 | char *savestr(char *str); | |
| 40 | char *cpytill(register char *to, register char *from, register int delim); | |
| 41 | char *instr(char *big, char *little); | |
| 42 | #endif | |
| 9c8d0b29 | 43 | |
| 8d063cd8 | 44 | STR * |
| f0f333f4 NIS |
45 | walk(int useval, int level, register int node, int *numericptr, int minprec) |
| 46 | ||
| 47 | ||
| 48 | ||
| 49 | ||
| 50 | /* minimum precedence without parens */ | |
| 8d063cd8 LW |
51 | { |
| 52 | register int len; | |
| 53 | register STR *str; | |
| 54 | register int type; | |
| 55 | register int i; | |
| 56 | register STR *tmpstr; | |
| 57 | STR *tmp2str; | |
| a687059c | 58 | STR *tmp3str; |
| 8d063cd8 | 59 | char *t; |
| 0335b3e4 | 60 | char *d, *s; |
| 8d063cd8 LW |
61 | int numarg; |
| 62 | int numeric = FALSE; | |
| 63 | STR *fstr; | |
| a687059c | 64 | int prec = P_MAX; /* assume no parens needed */ |
| 8d063cd8 LW |
65 | |
| 66 | if (!node) { | |
| 67 | *numericptr = 0; | |
| 68 | return str_make(""); | |
| 69 | } | |
| 70 | type = ops[node].ival; | |
| 71 | len = type >> 8; | |
| 72 | type &= 255; | |
| 73 | switch (type) { | |
| 74 | case OPROG: | |
| d48672a2 LW |
75 | arymax = 0; |
| 76 | if (namelist) { | |
| 3f939f22 | 77 | while (isALPHA(*namelist)) { |
| d48672a2 | 78 | for (d = tokenbuf,s=namelist; |
| 3f939f22 | 79 | isALPHA(*s) || isDIGIT(*s) || *s == '_'; |
| d48672a2 LW |
80 | *d++ = *s++) ; |
| 81 | *d = '\0'; | |
| 3f939f22 | 82 | while (*s && !isALPHA(*s)) s++; |
| d48672a2 LW |
83 | namelist = s; |
| 84 | nameary[++arymax] = savestr(tokenbuf); | |
| 85 | } | |
| 86 | } | |
| 87 | if (maxfld < arymax) | |
| 88 | maxfld = arymax; | |
| 8d063cd8 | 89 | opens = str_new(0); |
| a687059c LW |
90 | subs = str_new(0); |
| 91 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
92 | if (do_split && need_entire && !absmaxfld) |
| 93 | split_to_array = TRUE; | |
| 94 | if (do_split && split_to_array) | |
| 95 | set_array_base = TRUE; | |
| 96 | if (set_array_base) { | |
| 97 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); | |
| 98 | } | |
| 99 | if (fswitch && !const_FS) | |
| 100 | const_FS = fswitch; | |
| 101 | if (saw_FS > 1 || saw_RS) | |
| 102 | const_FS = 0; | |
| 103 | if (saw_ORS && need_entire) | |
| 104 | do_chop = TRUE; | |
| 105 | if (fswitch) { | |
| 106 | str_cat(str,"$FS = '"); | |
| a0d0e21e | 107 | if (strchr("*+?.[]()|^$\\",fswitch)) |
| 8d063cd8 LW |
108 | str_cat(str,"\\"); |
| 109 | sprintf(tokenbuf,"%c",fswitch); | |
| 110 | str_cat(str,tokenbuf); | |
| 111 | str_cat(str,"';\t\t# field separator from -F switch\n"); | |
| 112 | } | |
| 113 | else if (saw_FS && !const_FS) { | |
| 9bb9d9f7 | 114 | str_cat(str,"$FS = ' ';\t\t# set field separator\n"); |
| 8d063cd8 LW |
115 | } |
| 116 | if (saw_OFS) { | |
| a559c259 | 117 | str_cat(str,"$, = ' ';\t\t# set output field separator\n"); |
| 8d063cd8 LW |
118 | } |
| 119 | if (saw_ORS) { | |
| a559c259 | 120 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); |
| 8d063cd8 | 121 | } |
| a687059c LW |
122 | if (saw_argv0) { |
| 123 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n"); | |
| 124 | } | |
| 8d063cd8 LW |
125 | if (str->str_cur > 20) |
| 126 | str_cat(str,"\n"); | |
| 127 | if (ops[node+2].ival) { | |
| a687059c | 128 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
129 | str_free(fstr); |
| 130 | str_cat(str,"\n\n"); | |
| 131 | } | |
| a687059c LW |
132 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN); |
| 133 | if (*fstr->str_ptr) { | |
| 134 | if (saw_line_op) | |
| 135 | str_cat(str,"line: "); | |
| 136 | str_cat(str,"while (<>) {\n"); | |
| 137 | tab(str,++level); | |
| 138 | if (saw_FS && !const_FS) | |
| 139 | do_chop = TRUE; | |
| 140 | if (do_chop) { | |
| 7bdaec8a | 141 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c | 142 | tab(str,level); |
| 8d063cd8 | 143 | } |
| a687059c LW |
144 | if (do_split) |
| 145 | emit_split(str,level); | |
| 146 | str_scat(str,fstr); | |
| 147 | str_free(fstr); | |
| 148 | fixtab(str,--level); | |
| 149 | str_cat(str,"}\n"); | |
| 150 | if (saw_FNR) | |
| 151 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n"); | |
| 8d063cd8 | 152 | } |
| a5571d59 | 153 | else if (old_awk) |
| ae986130 | 154 | str_cat(str,"while (<>) { } # (no line actions)\n"); |
| 8d063cd8 LW |
155 | if (ops[node+4].ival) { |
| 156 | realexit = TRUE; | |
| 157 | str_cat(str,"\n"); | |
| 158 | tab(str,level); | |
| a687059c | 159 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
160 | str_free(fstr); |
| 161 | str_cat(str,"\n"); | |
| 162 | } | |
| 163 | if (exitval) | |
| 9f68db38 | 164 | str_cat(str,"exit $ExitValue;\n"); |
| a687059c LW |
165 | if (subs->str_ptr) { |
| 166 | str_cat(str,"\n"); | |
| 167 | str_scat(str,subs); | |
| 168 | } | |
| 378cc40b | 169 | if (saw_getline) { |
| a687059c LW |
170 | for (len = 0; len < 4; len++) { |
| 171 | if (saw_getline & (1 << len)) { | |
| 172 | sprintf(tokenbuf,"\nsub Getline%d {\n",len); | |
| 173 | str_cat(str, tokenbuf); | |
| 174 | if (len & 2) { | |
| 175 | if (do_fancy_opens) | |
| 176 | str_cat(str," &Pick('',@_);\n"); | |
| 177 | else | |
| 178 | str_cat(str," ($fh) = @_;\n"); | |
| 179 | } | |
| 180 | else { | |
| 181 | if (saw_FNR) | |
| 182 | str_cat(str," $FNRbase = $. if eof;\n"); | |
| 183 | } | |
| 184 | if (len & 1) | |
| 62b28dd9 | 185 | str_cat(str," local($_);\n"); |
| a687059c LW |
186 | if (len & 2) |
| 187 | str_cat(str, | |
| 188 | " if ($getline_ok = (($_ = <$fh>) ne ''))"); | |
| 189 | else | |
| 190 | str_cat(str, | |
| 191 | " if ($getline_ok = (($_ = <>) ne ''))"); | |
| 192 | str_cat(str, " {\n"); | |
| 193 | level += 2; | |
| 194 | tab(str,level); | |
| 195 | i = 0; | |
| 196 | if (do_chop) { | |
| 197 | i++; | |
| 7bdaec8a | 198 | str_cat(str,"chomp;\t# strip record separator\n"); |
| a687059c LW |
199 | tab(str,level); |
| 200 | } | |
| 201 | if (do_split && !(len & 1)) { | |
| 202 | i++; | |
| 203 | emit_split(str,level); | |
| 204 | } | |
| 205 | if (!i) | |
| 206 | str_cat(str,";\n"); | |
| 207 | fixtab(str,--level); | |
| 208 | str_cat(str,"}\n $_;\n}\n"); | |
| 209 | --level; | |
| 210 | } | |
| 378cc40b | 211 | } |
| 378cc40b | 212 | } |
| 8d063cd8 LW |
213 | if (do_fancy_opens) { |
| 214 | str_cat(str,"\n\ | |
| 215 | sub Pick {\n\ | |
| a687059c | 216 | local($mode,$name,$pipe) = @_;\n\ |
| 7c0587c8 LW |
217 | $fh = $name;\n\ |
| 218 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\ | |
| 8d063cd8 LW |
219 | }\n\ |
| 220 | "); | |
| 221 | } | |
| 222 | break; | |
| 223 | case OHUNKS: | |
| a687059c LW |
224 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 225 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
226 | str_free(fstr); |
| 227 | if (len == 3) { | |
| a687059c | 228 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
229 | str_free(fstr); |
| 230 | } | |
| 231 | else { | |
| 232 | } | |
| 233 | break; | |
| 234 | case ORANGE: | |
| a687059c LW |
235 | prec = P_DOTDOT; |
| 236 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 | 237 | str_cat(str," .. "); |
| a687059c | 238 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
239 | str_free(fstr); |
| 240 | break; | |
| 241 | case OPAT: | |
| 242 | goto def; | |
| 243 | case OREGEX: | |
| 244 | str = str_new(0); | |
| 245 | str_set(str,"/"); | |
| a687059c | 246 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
247 | /* translate \nnn to [\nnn] */ |
| 248 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { | |
| 3f939f22 | 249 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){ |
| 8d063cd8 LW |
250 | *d++ = '['; |
| 251 | *d++ = *s++; | |
| 252 | *d++ = *s++; | |
| 253 | *d++ = *s++; | |
| 254 | *d++ = *s; | |
| 255 | *d = ']'; | |
| 256 | } | |
| 257 | else | |
| 258 | *d = *s; | |
| 259 | } | |
| 260 | *d = '\0'; | |
| 378cc40b | 261 | for (d=tokenbuf; *d; d++) |
| c5cf9ec2 | 262 | *d += (char)128; |
| 8d063cd8 LW |
263 | str_cat(str,tokenbuf); |
| 264 | str_free(tmpstr); | |
| 265 | str_cat(str,"/"); | |
| 266 | break; | |
| 267 | case OHUNK: | |
| 268 | if (len == 1) { | |
| 269 | str = str_new(0); | |
| a687059c | 270 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN); |
| 8d063cd8 | 271 | str_cat(str," if "); |
| a687059c | 272 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
273 | str_free(fstr); |
| 274 | str_cat(str,";"); | |
| 275 | } | |
| 276 | else { | |
| a687059c | 277 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
278 | if (*tmpstr->str_ptr) { |
| 279 | str = str_new(0); | |
| 280 | str_set(str,"if ("); | |
| 281 | str_scat(str,tmpstr); | |
| 282 | str_cat(str,") {\n"); | |
| 283 | tab(str,++level); | |
| a687059c | 284 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
285 | str_free(fstr); |
| 286 | fixtab(str,--level); | |
| 287 | str_cat(str,"}\n"); | |
| 288 | tab(str,level); | |
| 289 | } | |
| 290 | else { | |
| a687059c | 291 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
292 | } |
| 293 | } | |
| 294 | break; | |
| 295 | case OPPAREN: | |
| 296 | str = str_new(0); | |
| 297 | str_set(str,"("); | |
| a687059c | 298 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
299 | str_free(fstr); |
| 300 | str_cat(str,")"); | |
| 301 | break; | |
| 302 | case OPANDAND: | |
| a687059c LW |
303 | prec = P_ANDAND; |
| 304 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 305 | str_cat(str," && "); |
| a687059c LW |
306 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 307 | str_free(fstr); | |
| 308 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
309 | str_free(fstr); |
| 310 | break; | |
| 311 | case OPOROR: | |
| a687059c LW |
312 | prec = P_OROR; |
| 313 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 314 | str_cat(str," || "); |
| a687059c LW |
315 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 316 | str_free(fstr); | |
| 317 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
318 | str_free(fstr); |
| 319 | break; | |
| 320 | case OPNOT: | |
| a687059c | 321 | prec = P_UNARY; |
| 8d063cd8 LW |
322 | str = str_new(0); |
| 323 | str_set(str,"!"); | |
| a687059c | 324 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
325 | str_free(fstr); |
| 326 | break; | |
| 62b28dd9 LW |
327 | case OCOND: |
| 328 | prec = P_COND; | |
| 329 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 330 | str_cat(str," ? "); | |
| 331 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); | |
| 332 | str_free(fstr); | |
| 333 | str_cat(str," : "); | |
| 334 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 335 | str_free(fstr); | |
| 336 | break; | |
| 8d063cd8 LW |
337 | case OCPAREN: |
| 338 | str = str_new(0); | |
| 339 | str_set(str,"("); | |
| a687059c | 340 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
341 | str_free(fstr); |
| 342 | numeric |= numarg; | |
| 343 | str_cat(str,")"); | |
| 344 | break; | |
| 345 | case OCANDAND: | |
| a687059c LW |
346 | prec = P_ANDAND; |
| 347 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
348 | numeric = 1; |
| 349 | str_cat(str," && "); | |
| a687059c LW |
350 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 351 | str_free(fstr); | |
| 352 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
353 | str_free(fstr); |
| 354 | break; | |
| 355 | case OCOROR: | |
| a687059c LW |
356 | prec = P_OROR; |
| 357 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 LW |
358 | numeric = 1; |
| 359 | str_cat(str," || "); | |
| a687059c LW |
360 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 361 | str_free(fstr); | |
| 362 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
363 | str_free(fstr); |
| 364 | break; | |
| 365 | case OCNOT: | |
| a687059c | 366 | prec = P_UNARY; |
| 8d063cd8 LW |
367 | str = str_new(0); |
| 368 | str_set(str,"!"); | |
| a687059c | 369 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
370 | str_free(fstr); |
| 371 | numeric = 1; | |
| 372 | break; | |
| 373 | case ORELOP: | |
| a687059c LW |
374 | prec = P_REL; |
| 375 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 376 | numeric |= numarg; |
| a687059c LW |
377 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 378 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1); | |
| 8d063cd8 | 379 | numeric |= numarg; |
| a687059c LW |
380 | if (!numeric || |
| 381 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) { | |
| 8d063cd8 LW |
382 | t = tmpstr->str_ptr; |
| 383 | if (strEQ(t,"==")) | |
| 384 | str_set(tmpstr,"eq"); | |
| 385 | else if (strEQ(t,"!=")) | |
| 386 | str_set(tmpstr,"ne"); | |
| 387 | else if (strEQ(t,"<")) | |
| 388 | str_set(tmpstr,"lt"); | |
| 389 | else if (strEQ(t,"<=")) | |
| 390 | str_set(tmpstr,"le"); | |
| 391 | else if (strEQ(t,">")) | |
| 392 | str_set(tmpstr,"gt"); | |
| 393 | else if (strEQ(t,">=")) | |
| 394 | str_set(tmpstr,"ge"); | |
| a0d0e21e LW |
395 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') && |
| 396 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') ) | |
| 8d063cd8 LW |
397 | numeric |= 2; |
| 398 | } | |
| 399 | if (numeric & 2) { | |
| 400 | if (numeric & 1) /* numeric is very good guess */ | |
| 401 | str_cat(str," "); | |
| 402 | else | |
| 403 | str_cat(str,"\377"); | |
| 404 | numeric = 1; | |
| 405 | } | |
| 406 | else | |
| 407 | str_cat(str," "); | |
| 408 | str_scat(str,tmpstr); | |
| 409 | str_free(tmpstr); | |
| 410 | str_cat(str," "); | |
| 411 | str_scat(str,tmp2str); | |
| 412 | str_free(tmp2str); | |
| 413 | numeric = 1; | |
| 414 | break; | |
| 415 | case ORPAREN: | |
| 416 | str = str_new(0); | |
| 417 | str_set(str,"("); | |
| a687059c | 418 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
419 | str_free(fstr); |
| 420 | numeric |= numarg; | |
| 421 | str_cat(str,")"); | |
| 422 | break; | |
| 423 | case OMATCHOP: | |
| a687059c LW |
424 | prec = P_MATCH; |
| 425 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 426 | str_cat(str," "); |
| a687059c | 427 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
428 | if (strEQ(tmpstr->str_ptr,"~")) |
| 429 | str_cat(str,"=~"); | |
| 430 | else { | |
| 431 | str_scat(str,tmpstr); | |
| 432 | str_free(tmpstr); | |
| 433 | } | |
| 434 | str_cat(str," "); | |
| a687059c | 435 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
436 | str_free(fstr); |
| 437 | numeric = 1; | |
| 438 | break; | |
| 439 | case OMPAREN: | |
| 440 | str = str_new(0); | |
| 441 | str_set(str,"("); | |
| a687059c LW |
442 | str_scat(str, |
| 443 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
444 | str_free(fstr); |
| 445 | numeric |= numarg; | |
| 446 | str_cat(str,")"); | |
| 447 | break; | |
| 448 | case OCONCAT: | |
| a687059c LW |
449 | prec = P_ADD; |
| 450 | type = ops[ops[node+1].ival].ival & 255; | |
| 451 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT)); | |
| 8d063cd8 | 452 | str_cat(str," . "); |
| a687059c LW |
453 | type = ops[ops[node+2].ival].ival & 255; |
| 454 | str_scat(str, | |
| 455 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT))); | |
| 8d063cd8 LW |
456 | str_free(fstr); |
| 457 | break; | |
| 458 | case OASSIGN: | |
| a687059c LW |
459 | prec = P_ASSIGN; |
| 460 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1); | |
| 8d063cd8 | 461 | str_cat(str," "); |
| a687059c | 462 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
463 | str_scat(str,tmpstr); |
| 464 | if (str_len(tmpstr) > 1) | |
| 465 | numeric = 1; | |
| 466 | str_free(tmpstr); | |
| 467 | str_cat(str," "); | |
| a687059c | 468 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec)); |
| 8d063cd8 LW |
469 | str_free(fstr); |
| 470 | numeric |= numarg; | |
| 7c0587c8 LW |
471 | if (strEQ(str->str_ptr,"$/ = ''")) |
| 472 | str_set(str, "$/ = \"\\n\\n\""); | |
| 8d063cd8 LW |
473 | break; |
| 474 | case OADD: | |
| a687059c LW |
475 | prec = P_ADD; |
| 476 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 477 | str_cat(str," + "); |
| a687059c | 478 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
479 | str_free(fstr); |
| 480 | numeric = 1; | |
| 481 | break; | |
| a687059c LW |
482 | case OSUBTRACT: |
| 483 | prec = P_ADD; | |
| 484 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 485 | str_cat(str," - "); |
| a687059c | 486 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
487 | str_free(fstr); |
| 488 | numeric = 1; | |
| 489 | break; | |
| 490 | case OMULT: | |
| a687059c LW |
491 | prec = P_MUL; |
| 492 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 493 | str_cat(str," * "); |
| a687059c | 494 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
495 | str_free(fstr); |
| 496 | numeric = 1; | |
| 497 | break; | |
| 498 | case ODIV: | |
| a687059c LW |
499 | prec = P_MUL; |
| 500 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 501 | str_cat(str," / "); |
| a687059c LW |
502 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 503 | str_free(fstr); | |
| 504 | numeric = 1; | |
| 505 | break; | |
| 506 | case OPOW: | |
| 507 | prec = P_POW; | |
| 508 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 509 | str_cat(str," ** "); | |
| 510 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec)); | |
| 8d063cd8 LW |
511 | str_free(fstr); |
| 512 | numeric = 1; | |
| 513 | break; | |
| 514 | case OMOD: | |
| a687059c LW |
515 | prec = P_MUL; |
| 516 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 517 | str_cat(str," % "); |
| a687059c | 518 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
519 | str_free(fstr); |
| 520 | numeric = 1; | |
| 521 | break; | |
| 522 | case OPOSTINCR: | |
| a687059c LW |
523 | prec = P_AUTO; |
| 524 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
525 | str_cat(str,"++"); |
| 526 | numeric = 1; | |
| 527 | break; | |
| 528 | case OPOSTDECR: | |
| a687059c LW |
529 | prec = P_AUTO; |
| 530 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1); | |
| 8d063cd8 LW |
531 | str_cat(str,"--"); |
| 532 | numeric = 1; | |
| 533 | break; | |
| 534 | case OPREINCR: | |
| a687059c | 535 | prec = P_AUTO; |
| 8d063cd8 LW |
536 | str = str_new(0); |
| 537 | str_set(str,"++"); | |
| a687059c | 538 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
539 | str_free(fstr); |
| 540 | numeric = 1; | |
| 541 | break; | |
| 542 | case OPREDECR: | |
| a687059c | 543 | prec = P_AUTO; |
| 8d063cd8 LW |
544 | str = str_new(0); |
| 545 | str_set(str,"--"); | |
| a687059c | 546 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); |
| 8d063cd8 LW |
547 | str_free(fstr); |
| 548 | numeric = 1; | |
| 549 | break; | |
| 550 | case OUMINUS: | |
| a687059c | 551 | prec = P_UNARY; |
| 8d063cd8 LW |
552 | str = str_new(0); |
| 553 | str_set(str,"-"); | |
| a687059c | 554 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec)); |
| 8d063cd8 LW |
555 | str_free(fstr); |
| 556 | numeric = 1; | |
| 557 | break; | |
| 558 | case OUPLUS: | |
| 559 | numeric = 1; | |
| 560 | goto def; | |
| 561 | case OPAREN: | |
| 562 | str = str_new(0); | |
| 563 | str_set(str,"("); | |
| a687059c LW |
564 | str_scat(str, |
| 565 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
566 | str_free(fstr); |
| 567 | str_cat(str,")"); | |
| 568 | numeric |= numarg; | |
| 569 | break; | |
| 570 | case OGETLINE: | |
| 571 | str = str_new(0); | |
| a687059c LW |
572 | if (useval) |
| 573 | str_cat(str,"("); | |
| 574 | if (len > 0) { | |
| a687059c LW |
575 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 576 | if (!*fstr->str_ptr) { | |
| 7c0587c8 | 577 | str_cat(str,"$_"); |
| a687059c LW |
578 | len = 2; /* a legal fiction */ |
| 579 | } | |
| 580 | str_free(fstr); | |
| 581 | } | |
| 582 | else | |
| 583 | str_cat(str,"$_"); | |
| 584 | if (len > 1) { | |
| 585 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN); | |
| 586 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 587 | if (!do_fancy_opens) { | |
| 588 | t = tmpstr->str_ptr; | |
| 589 | if (*t == '"' || *t == '\'') | |
| 590 | t = cpytill(tokenbuf,t+1,*t); | |
| 591 | else | |
| 592 | fatal("Internal error: OGETLINE %s", t); | |
| 593 | d = savestr(t); | |
| 594 | s = savestr(tokenbuf); | |
| 595 | for (t = tokenbuf; *t; t++) { | |
| 596 | *t &= 127; | |
| 3f939f22 JH |
597 | if (isLOWER(*t)) |
| 598 | *t = toUPPER(*t); | |
| 599 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| a687059c LW |
600 | *t = '_'; |
| 601 | } | |
| a0d0e21e | 602 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 603 | strcpy(t,"_FH"); |
| a687059c LW |
604 | tmp3str = hfetch(symtab,tokenbuf); |
| 605 | if (!tmp3str) { | |
| 606 | do_opens = TRUE; | |
| 607 | str_cat(opens,"open("); | |
| 608 | str_cat(opens,tokenbuf); | |
| 609 | str_cat(opens,", "); | |
| 610 | d[1] = '\0'; | |
| 611 | str_cat(opens,d); | |
| 612 | str_cat(opens,tmpstr->str_ptr+1); | |
| 613 | opens->str_cur--; | |
| 614 | if (*fstr->str_ptr == '|') | |
| 615 | str_cat(opens,"|"); | |
| 616 | str_cat(opens,d); | |
| 617 | if (*fstr->str_ptr == '|') | |
| 618 | str_cat(opens,") || die 'Cannot pipe from \""); | |
| 619 | else | |
| 620 | str_cat(opens,") || die 'Cannot open file \""); | |
| 621 | if (*d == '"') | |
| 622 | str_cat(opens,"'.\""); | |
| 623 | str_cat(opens,s); | |
| 624 | if (*d == '"') | |
| 625 | str_cat(opens,"\".'"); | |
| 626 | str_cat(opens,"\".';\n"); | |
| 627 | hstore(symtab,tokenbuf,str_make("x")); | |
| 628 | } | |
| 629 | safefree(s); | |
| 630 | safefree(d); | |
| 631 | str_set(tmpstr,"'"); | |
| 632 | str_cat(tmpstr,tokenbuf); | |
| 633 | str_cat(tmpstr,"'"); | |
| 634 | } | |
| 635 | if (*fstr->str_ptr == '|') | |
| 636 | str_cat(tmpstr,", '|'"); | |
| 637 | str_free(fstr); | |
| 638 | } | |
| 639 | else | |
| 640 | tmpstr = str_make(""); | |
| 641 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr); | |
| 642 | str_cat(str,tokenbuf); | |
| 643 | str_free(tmpstr); | |
| 644 | if (useval) | |
| 645 | str_cat(str,",$getline_ok)"); | |
| 646 | saw_getline |= 1 << len; | |
| 8d063cd8 LW |
647 | break; |
| 648 | case OSPRINTF: | |
| 649 | str = str_new(0); | |
| 650 | str_set(str,"sprintf("); | |
| a687059c | 651 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
652 | str_free(fstr); |
| 653 | str_cat(str,")"); | |
| 654 | break; | |
| 655 | case OSUBSTR: | |
| 656 | str = str_new(0); | |
| 657 | str_set(str,"substr("); | |
| a687059c | 658 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
659 | str_free(fstr); |
| 660 | str_cat(str,", "); | |
| a687059c | 661 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
662 | str_free(fstr); |
| 663 | str_cat(str,", "); | |
| 664 | if (len == 3) { | |
| a687059c | 665 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
666 | str_free(fstr); |
| 667 | } | |
| 668 | else | |
| 669 | str_cat(str,"999999"); | |
| 670 | str_cat(str,")"); | |
| 671 | break; | |
| 672 | case OSTRING: | |
| 673 | str = str_new(0); | |
| 674 | str_set(str,ops[node+1].cval); | |
| 675 | break; | |
| 676 | case OSPLIT: | |
| 677 | str = str_new(0); | |
| 55204971 | 678 | limit = ", 9999)"; |
| 8d063cd8 | 679 | numeric = 1; |
| a687059c | 680 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
681 | if (useval) |
| 682 | str_set(str,"(@"); | |
| 683 | else | |
| 684 | str_set(str,"@"); | |
| 685 | str_scat(str,tmpstr); | |
| 686 | str_cat(str," = split("); | |
| 687 | if (len == 3) { | |
| a687059c | 688 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1); |
| 8d063cd8 LW |
689 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { |
| 690 | i = fstr->str_ptr[1] & 127; | |
| a0d0e21e | 691 | if (strchr("*+?.[]()|^$\\",i)) |
| 8d063cd8 | 692 | sprintf(tokenbuf,"/\\%c/",i); |
| 20188a90 | 693 | else if (i == ' ') |
| 62b28dd9 | 694 | sprintf(tokenbuf,"' '"); |
| 8d063cd8 LW |
695 | else |
| 696 | sprintf(tokenbuf,"/%c/",i); | |
| 697 | str_cat(str,tokenbuf); | |
| 698 | } | |
| 699 | else | |
| 700 | str_scat(str,fstr); | |
| 701 | str_free(fstr); | |
| 702 | } | |
| 703 | else if (const_FS) { | |
| 704 | sprintf(tokenbuf,"/[%c\\n]/",const_FS); | |
| 705 | str_cat(str,tokenbuf); | |
| 706 | } | |
| 707 | else if (saw_FS) | |
| 708 | str_cat(str,"$FS"); | |
| 55204971 | 709 | else { |
| 9bb9d9f7 | 710 | str_cat(str,"' '"); |
| 55204971 LW |
711 | limit = ")"; |
| 712 | } | |
| 8d063cd8 | 713 | str_cat(str,", "); |
| a687059c | 714 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 | 715 | str_free(fstr); |
| 55204971 | 716 | str_cat(str,limit); |
| 8d063cd8 LW |
717 | if (useval) { |
| 718 | str_cat(str,")"); | |
| 719 | } | |
| 720 | str_free(tmpstr); | |
| 721 | break; | |
| 722 | case OINDEX: | |
| 723 | str = str_new(0); | |
| 724 | str_set(str,"index("); | |
| a687059c | 725 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
726 | str_free(fstr); |
| 727 | str_cat(str,", "); | |
| a687059c | 728 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1)); |
| 8d063cd8 LW |
729 | str_free(fstr); |
| 730 | str_cat(str,")"); | |
| 731 | numeric = 1; | |
| 732 | break; | |
| a687059c LW |
733 | case OMATCH: |
| 734 | str = str_new(0); | |
| 735 | prec = P_ANDAND; | |
| 736 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1)); | |
| 737 | str_free(fstr); | |
| 738 | str_cat(str," =~ "); | |
| 739 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1)); | |
| 740 | str_free(fstr); | |
| 741 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)"); | |
| 742 | numeric = 1; | |
| 743 | break; | |
| 744 | case OUSERDEF: | |
| 745 | str = str_new(0); | |
| 746 | subretnum = FALSE; | |
| 747 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN); | |
| 748 | curargs = str_new(0); | |
| 749 | str_sset(curargs,fstr); | |
| 750 | str_cat(curargs,","); | |
| 751 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN); | |
| 752 | str_free(curargs); | |
| 753 | curargs = Nullstr; | |
| 754 | level--; | |
| 755 | subretnum |= numarg; | |
| 756 | s = Nullch; | |
| 757 | t = tmp2str->str_ptr; | |
| b7953727 | 758 | while ((t = instr(t,"return "))) |
| a687059c LW |
759 | s = t++; |
| 760 | if (s) { | |
| 761 | i = 0; | |
| 762 | for (t = s+7; *t; t++) { | |
| 763 | if (*t == ';' || *t == '}') | |
| 764 | i++; | |
| 765 | } | |
| 766 | if (i == 1) { | |
| 767 | strcpy(s,s+7); | |
| 768 | tmp2str->str_cur -= 7; | |
| 769 | } | |
| 770 | } | |
| 771 | str_set(str,"\n"); | |
| 772 | tab(str,level); | |
| 773 | str_cat(str,"sub "); | |
| 774 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 775 | str_cat(str," {\n"); | |
| 776 | tab(str,++level); | |
| 777 | if (fstr->str_cur) { | |
| 778 | str_cat(str,"local("); | |
| 779 | str_scat(str,fstr); | |
| 780 | str_cat(str,") = @_;"); | |
| 781 | } | |
| 782 | str_free(fstr); | |
| 783 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); | |
| 784 | str_free(fstr); | |
| 785 | fixtab(str,level); | |
| 786 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN)); | |
| 787 | str_free(fstr); | |
| 788 | fixtab(str,level); | |
| 789 | str_scat(str,tmp2str); | |
| 790 | str_free(tmp2str); | |
| 791 | fixtab(str,--level); | |
| 792 | str_cat(str,"}\n"); | |
| 793 | tab(str,level); | |
| 794 | str_scat(subs,str); | |
| 795 | str_set(str,""); | |
| 796 | str_cat(tmpstr,"("); | |
| 797 | tmp2str = str_new(0); | |
| 798 | if (subretnum) | |
| 799 | str_set(tmp2str,"1"); | |
| 800 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 801 | str_free(tmpstr); | |
| 802 | level++; | |
| 803 | break; | |
| 804 | case ORETURN: | |
| 805 | str = str_new(0); | |
| 806 | if (len > 0) { | |
| 807 | str_cat(str,"return "); | |
| 808 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1)); | |
| 809 | str_free(fstr); | |
| 810 | if (numarg) | |
| 811 | subretnum = TRUE; | |
| 812 | } | |
| 813 | else | |
| 814 | str_cat(str,"return"); | |
| 815 | break; | |
| 816 | case OUSERFUN: | |
| 817 | str = str_new(0); | |
| 818 | str_set(str,"&"); | |
| 819 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 820 | str_free(fstr); | |
| 821 | str_cat(str,"("); | |
| 822 | tmpstr = hfetch(symtab,str->str_ptr+3); | |
| 823 | if (tmpstr && tmpstr->str_ptr) | |
| 824 | numeric |= atoi(tmpstr->str_ptr); | |
| 825 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 826 | str_free(fstr); | |
| 827 | str_cat(str,")"); | |
| 828 | break; | |
| 829 | case OGSUB: | |
| 0335b3e4 MB |
830 | case OSUB: { |
| 831 | int gsub = type == OGSUB ? 1 : 0; | |
| a687059c LW |
832 | str = str_new(0); |
| 833 | tmpstr = str_new(0); | |
| 834 | i = 0; | |
| 835 | if (len == 3) { | |
| 836 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1); | |
| 837 | if (strNE(tmpstr->str_ptr,"$_")) { | |
| 838 | str_cat(tmpstr, " =~ s"); | |
| 839 | i++; | |
| 840 | } | |
| 841 | else | |
| 842 | str_set(tmpstr, "s"); | |
| 843 | } | |
| 844 | else | |
| 845 | str_set(tmpstr, "s"); | |
| 846 | type = ops[ops[node+2].ival].ival; | |
| 847 | len = type >> 8; | |
| 848 | type &= 255; | |
| 849 | tmp3str = str_new(0); | |
| 850 | if (type == OSTR) { | |
| 851 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN); | |
| 852 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) { | |
| 853 | if (*t == '&') | |
| c5cf9ec2 | 854 | *d++ = '$' + (char)128; |
| a687059c | 855 | else if (*t == '$') |
| c5cf9ec2 | 856 | *d++ = '\\' + (char)128; |
| a687059c LW |
857 | *d = *t + 128; |
| 858 | } | |
| 859 | *d = '\0'; | |
| 860 | str_set(tmp2str,tokenbuf); | |
| 0335b3e4 | 861 | s = gsub ? "/g" : "/"; |
| a687059c LW |
862 | } |
| 863 | else { | |
| 864 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 865 | str_set(tmp3str,"($s_ = '\"'.("); | |
| 866 | str_scat(tmp3str,tmp2str); | |
| 867 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, "); | |
| 868 | str_set(tmp2str,"eval $s_"); | |
| 0335b3e4 | 869 | s = gsub ? "/ge" : "/e"; |
| a687059c LW |
870 | i++; |
| 871 | } | |
| 0335b3e4 | 872 | str_cat(tmp2str,s); |
| a687059c LW |
873 | type = ops[ops[node+1].ival].ival; |
| 874 | len = type >> 8; | |
| 875 | type &= 255; | |
| 876 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 877 | if (type == OREGEX) { | |
| 878 | if (useval && i) | |
| 879 | str_cat(str,"("); | |
| 880 | str_scat(str,tmp3str); | |
| 881 | str_scat(str,tmpstr); | |
| 882 | str_scat(str,fstr); | |
| 883 | str_scat(str,tmp2str); | |
| a687059c LW |
884 | } |
| 885 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) { | |
| 886 | if (useval && i) | |
| 887 | str_cat(str,"("); | |
| 888 | str_scat(str,tmp3str); | |
| 889 | str_scat(str,tmpstr); | |
| 890 | str_cat(str,"/"); | |
| 891 | str_scat(str,fstr); | |
| 892 | str_cat(str,"/"); | |
| 893 | str_scat(str,tmp2str); | |
| a687059c LW |
894 | } |
| 895 | else { | |
| 896 | i++; | |
| 897 | if (useval) | |
| 898 | str_cat(str,"("); | |
| 899 | str_cat(str,"$s = "); | |
| 900 | str_scat(str,fstr); | |
| 901 | str_cat(str,", "); | |
| 902 | str_scat(str,tmp3str); | |
| 903 | str_scat(str,tmpstr); | |
| 904 | str_cat(str,"/$s/"); | |
| 905 | str_scat(str,tmp2str); | |
| a687059c LW |
906 | } |
| 907 | if (useval && i) | |
| 908 | str_cat(str,")"); | |
| 909 | str_free(fstr); | |
| 910 | str_free(tmpstr); | |
| 911 | str_free(tmp2str); | |
| 912 | str_free(tmp3str); | |
| 913 | numeric = 1; | |
| 0335b3e4 | 914 | break; } |
| 8d063cd8 | 915 | case ONUM: |
| a687059c | 916 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
917 | numeric = 1; |
| 918 | break; | |
| 919 | case OSTR: | |
| a687059c | 920 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 921 | s = "'"; |
| 378cc40b LW |
922 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) { |
| 923 | if (*t == '\'') | |
| 924 | s = "\""; | |
| 925 | else if (*t == '\\') { | |
| 8d063cd8 | 926 | s = "\""; |
| 378cc40b LW |
927 | *d++ = *t++ + 128; |
| 928 | switch (*t) { | |
| fe14fcc3 | 929 | case '\\': case '"': case 'n': case 't': case '$': |
| 378cc40b LW |
930 | break; |
| 931 | default: /* hide this from perl */ | |
| c5cf9ec2 | 932 | *d++ = '\\' + (char)128; |
| 378cc40b LW |
933 | } |
| 934 | } | |
| 935 | *d = *t + 128; | |
| 8d063cd8 | 936 | } |
| 378cc40b | 937 | *d = '\0'; |
| 8d063cd8 LW |
938 | str = str_new(0); |
| 939 | str_set(str,s); | |
| 378cc40b | 940 | str_cat(str,tokenbuf); |
| 8d063cd8 LW |
941 | str_free(tmpstr); |
| 942 | str_cat(str,s); | |
| 943 | break; | |
| a687059c LW |
944 | case ODEFINED: |
| 945 | prec = P_UNI; | |
| 946 | str = str_new(0); | |
| 947 | str_set(str,"defined $"); | |
| 948 | goto addvar; | |
| 949 | case ODELETE: | |
| 950 | str = str_new(0); | |
| 951 | str_set(str,"delete $"); | |
| 952 | goto addvar; | |
| 953 | case OSTAR: | |
| 954 | str = str_new(0); | |
| 955 | str_set(str,"*"); | |
| 956 | goto addvar; | |
| 8d063cd8 LW |
957 | case OVAR: |
| 958 | str = str_new(0); | |
| 959 | str_set(str,"$"); | |
| a687059c LW |
960 | addvar: |
| 961 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
962 | if (len == 1) { |
| 963 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 964 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 965 | numeric = 2; | |
| a687059c LW |
966 | if (strEQ(str->str_ptr,"$FNR")) { |
| 967 | numeric = 1; | |
| 968 | saw_FNR++; | |
| 969 | str_set(str,"($.-$FNRbase)"); | |
| 970 | } | |
| 971 | else if (strEQ(str->str_ptr,"$NR")) { | |
| 8d063cd8 LW |
972 | numeric = 1; |
| 973 | str_set(str,"$."); | |
| 974 | } | |
| 975 | else if (strEQ(str->str_ptr,"$NF")) { | |
| 976 | numeric = 1; | |
| 977 | str_set(str,"$#Fld"); | |
| 978 | } | |
| 979 | else if (strEQ(str->str_ptr,"$0")) | |
| 980 | str_set(str,"$_"); | |
| a687059c LW |
981 | else if (strEQ(str->str_ptr,"$ARGC")) |
| 982 | str_set(str,"($#ARGV+1)"); | |
| 8d063cd8 LW |
983 | } |
| 984 | else { | |
| a687059c LW |
985 | #ifdef NOTDEF |
| 986 | if (curargs) { | |
| 987 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr); | |
| 988 | ??? if (instr(curargs->str_ptr,tokenbuf)) | |
| 989 | str_cat(str,"\377"); /* can't translate yet */ | |
| 990 | } | |
| 991 | #endif | |
| 8d063cd8 LW |
992 | str_cat(tmpstr,"[]"); |
| 993 | tmp2str = hfetch(symtab,tmpstr->str_ptr); | |
| 994 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 995 | str_cat(str,"["); | |
| 996 | else | |
| 997 | str_cat(str,"{"); | |
| a687059c | 998 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 | 999 | str_free(fstr); |
| a687059c LW |
1000 | if (strEQ(str->str_ptr,"$ARGV[0")) { |
| 1001 | str_set(str,"$ARGV0"); | |
| 1002 | saw_argv0++; | |
| 1003 | } | |
| 1004 | else { | |
| 1005 | if (tmp2str && atoi(tmp2str->str_ptr)) | |
| 1006 | strcpy(tokenbuf,"]"); | |
| 1007 | else | |
| 1008 | strcpy(tokenbuf,"}"); | |
| c5cf9ec2 | 1009 | *tokenbuf += (char)128; |
| a687059c LW |
1010 | str_cat(str,tokenbuf); |
| 1011 | } | |
| 8d063cd8 LW |
1012 | } |
| 1013 | str_free(tmpstr); | |
| 1014 | break; | |
| 1015 | case OFLD: | |
| 1016 | str = str_new(0); | |
| 1017 | if (split_to_array) { | |
| 1018 | str_set(str,"$Fld"); | |
| 1019 | str_cat(str,"["); | |
| a687059c | 1020 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1021 | str_free(fstr); |
| 1022 | str_cat(str,"]"); | |
| 1023 | } | |
| 1024 | else { | |
| a687059c | 1025 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr); |
| 8d063cd8 LW |
1026 | if (i <= arymax) |
| 1027 | sprintf(tokenbuf,"$%s",nameary[i]); | |
| 1028 | else | |
| 1029 | sprintf(tokenbuf,"$Fld%d",i); | |
| 1030 | str_set(str,tokenbuf); | |
| 1031 | } | |
| 1032 | break; | |
| 1033 | case OVFLD: | |
| 1034 | str = str_new(0); | |
| 1035 | str_set(str,"$Fld["); | |
| 1036 | i = ops[node+1].ival; | |
| 1037 | if ((ops[i].ival & 255) == OPAREN) | |
| 1038 | i = ops[i+1].ival; | |
| a687059c | 1039 | tmpstr=walk(1,level,i,&numarg,P_MIN); |
| 8d063cd8 LW |
1040 | str_scat(str,tmpstr); |
| 1041 | str_free(tmpstr); | |
| 1042 | str_cat(str,"]"); | |
| 1043 | break; | |
| 1044 | case OJUNK: | |
| 1045 | goto def; | |
| 1046 | case OSNEWLINE: | |
| 1047 | str = str_new(2); | |
| 1048 | str_set(str,";\n"); | |
| 1049 | tab(str,level); | |
| 1050 | break; | |
| 1051 | case ONEWLINE: | |
| 1052 | str = str_new(1); | |
| 1053 | str_set(str,"\n"); | |
| 1054 | tab(str,level); | |
| 1055 | break; | |
| 1056 | case OSCOMMENT: | |
| 1057 | str = str_new(0); | |
| 1058 | str_set(str,";"); | |
| a687059c | 1059 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1060 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| c5cf9ec2 | 1061 | *s += (char)128; |
| 8d063cd8 LW |
1062 | str_scat(str,tmpstr); |
| 1063 | str_free(tmpstr); | |
| 1064 | tab(str,level); | |
| 1065 | break; | |
| 1066 | case OCOMMENT: | |
| 1067 | str = str_new(0); | |
| a687059c | 1068 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1069 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) |
| c5cf9ec2 | 1070 | *s += (char)128; |
| 8d063cd8 LW |
1071 | str_scat(str,tmpstr); |
| 1072 | str_free(tmpstr); | |
| 1073 | tab(str,level); | |
| 1074 | break; | |
| 1075 | case OCOMMA: | |
| a687059c LW |
1076 | prec = P_COMMA; |
| 1077 | str = walk(1,level,ops[node+1].ival,&numarg,prec); | |
| 8d063cd8 | 1078 | str_cat(str,", "); |
| a687059c LW |
1079 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN)); |
| 1080 | str_free(fstr); | |
| 1081 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1082 | str_free(fstr); |
| 1083 | break; | |
| 1084 | case OSEMICOLON: | |
| 1085 | str = str_new(1); | |
| a687059c LW |
1086 | str_set(str,";\n"); |
| 1087 | tab(str,level); | |
| 8d063cd8 LW |
1088 | break; |
| 1089 | case OSTATES: | |
| a687059c LW |
1090 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 1091 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 8d063cd8 LW |
1092 | str_free(fstr); |
| 1093 | break; | |
| 1094 | case OSTATE: | |
| 1095 | str = str_new(0); | |
| 1096 | if (len >= 1) { | |
| a687059c | 1097 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1098 | str_free(fstr); |
| 1099 | if (len >= 2) { | |
| a687059c | 1100 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
1101 | if (*tmpstr->str_ptr == ';') { |
| 1102 | addsemi(str); | |
| 1103 | str_cat(str,tmpstr->str_ptr+1); | |
| 1104 | } | |
| 1105 | str_free(tmpstr); | |
| 1106 | } | |
| 1107 | } | |
| 1108 | break; | |
| a687059c LW |
1109 | case OCLOSE: |
| 1110 | str = str_make("close("); | |
| 1111 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1112 | if (!do_fancy_opens) { | |
| 1113 | t = tmpstr->str_ptr; | |
| 1114 | if (*t == '"' || *t == '\'') | |
| 1115 | t = cpytill(tokenbuf,t+1,*t); | |
| 1116 | else | |
| 1117 | fatal("Internal error: OCLOSE %s",t); | |
| 1118 | s = savestr(tokenbuf); | |
| 1119 | for (t = tokenbuf; *t; t++) { | |
| 1120 | *t &= 127; | |
| 3f939f22 JH |
1121 | if (isLOWER(*t)) |
| 1122 | *t = toUPPER(*t); | |
| 1123 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| a687059c LW |
1124 | *t = '_'; |
| 1125 | } | |
| a0d0e21e | 1126 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1127 | strcpy(t,"_FH"); |
| a687059c LW |
1128 | str_free(tmpstr); |
| 1129 | safefree(s); | |
| 1130 | str_set(str,"close "); | |
| 1131 | str_cat(str,tokenbuf); | |
| 1132 | } | |
| 1133 | else { | |
| 7c0587c8 LW |
1134 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)", |
| 1135 | tmpstr->str_ptr, tmpstr->str_ptr); | |
| a687059c LW |
1136 | str_free(tmpstr); |
| 1137 | str_set(str,tokenbuf); | |
| 1138 | } | |
| 1139 | break; | |
| 8d063cd8 LW |
1140 | case OPRINTF: |
| 1141 | case OPRINT: | |
| 378cc40b LW |
1142 | lparen = ""; /* set to parens if necessary */ |
| 1143 | rparen = ""; | |
| 8d063cd8 LW |
1144 | str = str_new(0); |
| 1145 | if (len == 3) { /* output redirection */ | |
| a687059c LW |
1146 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN); |
| 1147 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN); | |
| 8d063cd8 LW |
1148 | if (!do_fancy_opens) { |
| 1149 | t = tmpstr->str_ptr; | |
| 1150 | if (*t == '"' || *t == '\'') | |
| 1151 | t = cpytill(tokenbuf,t+1,*t); | |
| 1152 | else | |
| 1153 | fatal("Internal error: OPRINT"); | |
| 1154 | d = savestr(t); | |
| 1155 | s = savestr(tokenbuf); | |
| 1156 | for (t = tokenbuf; *t; t++) { | |
| 1157 | *t &= 127; | |
| 3f939f22 JH |
1158 | if (isLOWER(*t)) |
| 1159 | *t = toUPPER(*t); | |
| 1160 | if (!isALPHA(*t) && !isDIGIT(*t)) | |
| 8d063cd8 LW |
1161 | *t = '_'; |
| 1162 | } | |
| a0d0e21e | 1163 | if (!strchr(tokenbuf,'_')) |
| d48672a2 | 1164 | strcpy(t,"_FH"); |
| a687059c LW |
1165 | tmp3str = hfetch(symtab,tokenbuf); |
| 1166 | if (!tmp3str) { | |
| 1167 | str_cat(opens,"open("); | |
| 1168 | str_cat(opens,tokenbuf); | |
| 1169 | str_cat(opens,", "); | |
| 1170 | d[1] = '\0'; | |
| 1171 | str_cat(opens,d); | |
| 1172 | str_scat(opens,tmp2str); | |
| 1173 | str_cat(opens,tmpstr->str_ptr+1); | |
| 1174 | if (*tmp2str->str_ptr == '|') | |
| 1175 | str_cat(opens,") || die 'Cannot pipe to \""); | |
| 1176 | else | |
| 1177 | str_cat(opens,") || die 'Cannot create file \""); | |
| 1178 | if (*d == '"') | |
| 1179 | str_cat(opens,"'.\""); | |
| 1180 | str_cat(opens,s); | |
| 1181 | if (*d == '"') | |
| 1182 | str_cat(opens,"\".'"); | |
| 1183 | str_cat(opens,"\".';\n"); | |
| 1184 | hstore(symtab,tokenbuf,str_make("x")); | |
| 1185 | } | |
| 8d063cd8 LW |
1186 | str_free(tmpstr); |
| 1187 | str_free(tmp2str); | |
| 1188 | safefree(s); | |
| 1189 | safefree(d); | |
| 1190 | } | |
| 1191 | else { | |
| a687059c | 1192 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n", |
| 8d063cd8 LW |
1193 | tmp2str->str_ptr, tmpstr->str_ptr); |
| 1194 | str_cat(str,tokenbuf); | |
| 1195 | tab(str,level+1); | |
| a687059c | 1196 | strcpy(tokenbuf,"$fh"); |
| 8d063cd8 LW |
1197 | str_free(tmpstr); |
| 1198 | str_free(tmp2str); | |
| 378cc40b LW |
1199 | lparen = "("; |
| 1200 | rparen = ")"; | |
| 8d063cd8 LW |
1201 | } |
| 1202 | } | |
| 1203 | else | |
| a687059c | 1204 | strcpy(tokenbuf,""); |
| 378cc40b | 1205 | str_cat(str,lparen); /* may be null */ |
| 8d063cd8 LW |
1206 | if (type == OPRINTF) |
| 1207 | str_cat(str,"printf"); | |
| 1208 | else | |
| 1209 | str_cat(str,"print"); | |
| d48672a2 | 1210 | saw_fh = 0; |
| 8d063cd8 | 1211 | if (len == 3 || do_fancy_opens) { |
| d48672a2 | 1212 | if (*tokenbuf) { |
| 8d063cd8 | 1213 | str_cat(str," "); |
| d48672a2 LW |
1214 | saw_fh = 1; |
| 1215 | } | |
| 8d063cd8 LW |
1216 | str_cat(str,tokenbuf); |
| 1217 | } | |
| a687059c | 1218 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1219 | if (!*tmpstr->str_ptr && lval_field) { |
| 2b260de0 | 1220 | t = (char*)(saw_OFS ? "$," : "' '"); |
| 8d063cd8 LW |
1221 | if (split_to_array) { |
| 1222 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1223 | str_cat(tmpstr,tokenbuf); | |
| 1224 | } | |
| 1225 | else { | |
| 1226 | for (i = 1; i < maxfld; i++) { | |
| 1227 | if (i <= arymax) | |
| 1228 | sprintf(tokenbuf,"$%s, ",nameary[i]); | |
| 1229 | else | |
| 1230 | sprintf(tokenbuf,"$Fld%d, ",i); | |
| 1231 | str_cat(tmpstr,tokenbuf); | |
| 1232 | } | |
| 1233 | if (maxfld <= arymax) | |
| 1234 | sprintf(tokenbuf,"$%s",nameary[maxfld]); | |
| 1235 | else | |
| 1236 | sprintf(tokenbuf,"$Fld%d",maxfld); | |
| 1237 | str_cat(tmpstr,tokenbuf); | |
| 1238 | } | |
| 1239 | } | |
| 1240 | if (*tmpstr->str_ptr) { | |
| 1241 | str_cat(str," "); | |
| d48672a2 LW |
1242 | if (!saw_fh && *tmpstr->str_ptr == '(') { |
| 1243 | str_cat(str,"("); | |
| 1244 | str_scat(str,tmpstr); | |
| 1245 | str_cat(str,")"); | |
| 1246 | } | |
| 1247 | else | |
| 1248 | str_scat(str,tmpstr); | |
| 8d063cd8 LW |
1249 | } |
| 1250 | else { | |
| 1251 | str_cat(str," $_"); | |
| 1252 | } | |
| 378cc40b | 1253 | str_cat(str,rparen); /* may be null */ |
| 8d063cd8 LW |
1254 | str_free(tmpstr); |
| 1255 | break; | |
| a687059c LW |
1256 | case ORAND: |
| 1257 | str = str_make("rand(1)"); | |
| 1258 | break; | |
| 1259 | case OSRAND: | |
| 1260 | str = str_make("srand("); | |
| 1261 | goto maybe0; | |
| 1262 | case OATAN2: | |
| 1263 | str = str_make("atan2("); | |
| 1264 | goto maybe0; | |
| 1265 | case OSIN: | |
| 1266 | str = str_make("sin("); | |
| 1267 | goto maybe0; | |
| 1268 | case OCOS: | |
| 1269 | str = str_make("cos("); | |
| 1270 | goto maybe0; | |
| 1271 | case OSYSTEM: | |
| 1272 | str = str_make("system("); | |
| 1273 | goto maybe0; | |
| 8d063cd8 LW |
1274 | case OLENGTH: |
| 1275 | str = str_make("length("); | |
| 1276 | goto maybe0; | |
| 1277 | case OLOG: | |
| 1278 | str = str_make("log("); | |
| 1279 | goto maybe0; | |
| 1280 | case OEXP: | |
| 1281 | str = str_make("exp("); | |
| 1282 | goto maybe0; | |
| 1283 | case OSQRT: | |
| 1284 | str = str_make("sqrt("); | |
| 1285 | goto maybe0; | |
| 1286 | case OINT: | |
| 1287 | str = str_make("int("); | |
| 1288 | maybe0: | |
| 1289 | numeric = 1; | |
| 1290 | if (len > 0) | |
| a687059c | 1291 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1292 | else |
| db7c17d7 | 1293 | tmpstr = str_new(0); |
| fe14fcc3 | 1294 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) { |
| 8d063cd8 | 1295 | if (lval_field) { |
| 2b260de0 | 1296 | t = (char*)(saw_OFS ? "$," : "' '"); |
| 8d063cd8 LW |
1297 | if (split_to_array) { |
| 1298 | sprintf(tokenbuf,"join(%s,@Fld)",t); | |
| 1299 | str_cat(tmpstr,tokenbuf); | |
| 1300 | } | |
| 1301 | else { | |
| 1302 | sprintf(tokenbuf,"join(%s, ",t); | |
| 1303 | str_cat(tmpstr,tokenbuf); | |
| 1304 | for (i = 1; i < maxfld; i++) { | |
| 1305 | if (i <= arymax) | |
| 1306 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1307 | else | |
| 1308 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1309 | str_cat(tmpstr,tokenbuf); | |
| 1310 | } | |
| 1311 | if (maxfld <= arymax) | |
| 1312 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1313 | else | |
| 1314 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1315 | str_cat(tmpstr,tokenbuf); | |
| 1316 | } | |
| 1317 | } | |
| 1318 | else | |
| 1319 | str_cat(tmpstr,"$_"); | |
| 1320 | } | |
| 1321 | if (strEQ(tmpstr->str_ptr,"$_")) { | |
| 1322 | if (type == OLENGTH && !do_chop) { | |
| 1323 | str = str_make("(length("); | |
| 1324 | str_cat(tmpstr,") - 1"); | |
| 1325 | } | |
| 1326 | } | |
| 1327 | str_scat(str,tmpstr); | |
| 1328 | str_free(tmpstr); | |
| 1329 | str_cat(str,")"); | |
| 1330 | break; | |
| 1331 | case OBREAK: | |
| 1332 | str = str_new(0); | |
| 1333 | str_set(str,"last"); | |
| 1334 | break; | |
| 1335 | case ONEXT: | |
| 1336 | str = str_new(0); | |
| 1337 | str_set(str,"next line"); | |
| 1338 | break; | |
| 1339 | case OEXIT: | |
| 1340 | str = str_new(0); | |
| 1341 | if (realexit) { | |
| a687059c | 1342 | prec = P_UNI; |
| 8d063cd8 LW |
1343 | str_set(str,"exit"); |
| 1344 | if (len == 1) { | |
| 1345 | str_cat(str," "); | |
| 1346 | exitval = TRUE; | |
| a687059c LW |
1347 | str_scat(str, |
| 1348 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1)); | |
| 8d063cd8 LW |
1349 | str_free(fstr); |
| 1350 | } | |
| 1351 | } | |
| 1352 | else { | |
| 1353 | if (len == 1) { | |
| 9f68db38 | 1354 | str_set(str,"$ExitValue = "); |
| 8d063cd8 | 1355 | exitval = TRUE; |
| a687059c LW |
1356 | str_scat(str, |
| 1357 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN)); | |
| 8d063cd8 LW |
1358 | str_free(fstr); |
| 1359 | str_cat(str,"; "); | |
| 1360 | } | |
| 1361 | str_cat(str,"last line"); | |
| 1362 | } | |
| 1363 | break; | |
| 1364 | case OCONTINUE: | |
| 1365 | str = str_new(0); | |
| 1366 | str_set(str,"next"); | |
| 1367 | break; | |
| 1368 | case OREDIR: | |
| 1369 | goto def; | |
| 1370 | case OIF: | |
| 1371 | str = str_new(0); | |
| 1372 | str_set(str,"if ("); | |
| a687059c | 1373 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1374 | str_free(fstr); |
| 1375 | str_cat(str,") "); | |
| a687059c | 1376 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1377 | str_free(fstr); |
| 1378 | if (len == 3) { | |
| 1379 | i = ops[node+3].ival; | |
| 1380 | if (i) { | |
| 1381 | if ((ops[i].ival & 255) == OBLOCK) { | |
| 1382 | i = ops[i+1].ival; | |
| 1383 | if (i) { | |
| 1384 | if ((ops[i].ival & 255) != OIF) | |
| 1385 | i = 0; | |
| 1386 | } | |
| 1387 | } | |
| 1388 | else | |
| 1389 | i = 0; | |
| 1390 | } | |
| 1391 | if (i) { | |
| 1392 | str_cat(str,"els"); | |
| a687059c | 1393 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN)); |
| 8d063cd8 LW |
1394 | str_free(fstr); |
| 1395 | } | |
| 1396 | else { | |
| 1397 | str_cat(str,"else "); | |
| a687059c | 1398 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1399 | str_free(fstr); |
| 1400 | } | |
| 1401 | } | |
| 1402 | break; | |
| 1403 | case OWHILE: | |
| 1404 | str = str_new(0); | |
| 1405 | str_set(str,"while ("); | |
| a687059c | 1406 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1407 | str_free(fstr); |
| 1408 | str_cat(str,") "); | |
| a687059c | 1409 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1410 | str_free(fstr); |
| 1411 | break; | |
| 7c0587c8 LW |
1412 | case ODO: |
| 1413 | str = str_new(0); | |
| 1414 | str_set(str,"do "); | |
| 1415 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 1416 | str_free(fstr); | |
| 1417 | if (str->str_ptr[str->str_cur - 1] == '\n') | |
| db7c17d7 | 1418 | --str->str_cur; |
| 7c0587c8 LW |
1419 | str_cat(str," while ("); |
| 1420 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1421 | str_free(fstr); | |
| 1422 | str_cat(str,");"); | |
| 1423 | break; | |
| 8d063cd8 LW |
1424 | case OFOR: |
| 1425 | str = str_new(0); | |
| 1426 | str_set(str,"for ("); | |
| a687059c | 1427 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1428 | i = numarg; |
| 1429 | if (i) { | |
| 1430 | t = s = tmpstr->str_ptr; | |
| 3f939f22 | 1431 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_') |
| 8d063cd8 LW |
1432 | t++; |
| 1433 | i = t - s; | |
| 1434 | if (i < 2) | |
| 1435 | i = 0; | |
| 1436 | } | |
| 1437 | str_cat(str,"; "); | |
| a687059c | 1438 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN); |
| a0d0e21e | 1439 | if (i && (t = strchr(fstr->str_ptr,0377))) { |
| 8d063cd8 LW |
1440 | if (strnEQ(fstr->str_ptr,s,i)) |
| 1441 | *t = ' '; | |
| 1442 | } | |
| 1443 | str_scat(str,fstr); | |
| 1444 | str_free(fstr); | |
| 1445 | str_free(tmpstr); | |
| 1446 | str_cat(str,"; "); | |
| a687059c | 1447 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1448 | str_free(fstr); |
| 1449 | str_cat(str,") "); | |
| a687059c | 1450 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1451 | str_free(fstr); |
| 1452 | break; | |
| 1453 | case OFORIN: | |
| a687059c | 1454 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| a0d0e21e | 1455 | d = strchr(tmpstr->str_ptr,'$'); |
| a687059c LW |
1456 | if (!d) |
| 1457 | fatal("Illegal for loop: %s",tmpstr->str_ptr); | |
| a0d0e21e | 1458 | s = strchr(d,'{'); |
| a687059c | 1459 | if (!s) |
| a0d0e21e | 1460 | s = strchr(d,'['); |
| a687059c LW |
1461 | if (!s) |
| 1462 | fatal("Illegal for loop: %s",d); | |
| 1463 | *s++ = '\0'; | |
| b7953727 | 1464 | for (t = s; (i = *t); t++) { |
| ffed7fef LW |
1465 | i &= 127; |
| 1466 | if (i == '}' || i == ']') | |
| 1467 | break; | |
| 1468 | } | |
| 1469 | if (*t) | |
| a687059c | 1470 | *t = '\0'; |
| 8d063cd8 | 1471 | str = str_new(0); |
| a687059c | 1472 | str_set(str,d+1); |
| 8d063cd8 LW |
1473 | str_cat(str,"[]"); |
| 1474 | tmp2str = hfetch(symtab,str->str_ptr); | |
| 1475 | if (tmp2str && atoi(tmp2str->str_ptr)) { | |
| 8d063cd8 | 1476 | sprintf(tokenbuf, |
| 62b28dd9 | 1477 | "foreach %s ($[ .. $#%s) ", |
| a687059c LW |
1478 | s, |
| 1479 | d+1); | |
| 8d063cd8 LW |
1480 | } |
| 1481 | else { | |
| a687059c LW |
1482 | sprintf(tokenbuf, |
| 1483 | "foreach %s (keys %%%s) ", | |
| 1484 | s, | |
| 1485 | d+1); | |
| 8d063cd8 | 1486 | } |
| a687059c LW |
1487 | str_set(str,tokenbuf); |
| 1488 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); | |
| 1489 | str_free(fstr); | |
| 8d063cd8 LW |
1490 | str_free(tmpstr); |
| 1491 | break; | |
| 1492 | case OBLOCK: | |
| 1493 | str = str_new(0); | |
| 1494 | str_set(str,"{"); | |
| 378cc40b | 1495 | if (len >= 2 && ops[node+2].ival) { |
| a687059c | 1496 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1497 | str_free(fstr); |
| 1498 | } | |
| 1499 | fixtab(str,++level); | |
| a687059c | 1500 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1501 | str_free(fstr); |
| 1502 | addsemi(str); | |
| 1503 | fixtab(str,--level); | |
| 1504 | str_cat(str,"}\n"); | |
| 1505 | tab(str,level); | |
| 378cc40b | 1506 | if (len >= 3) { |
| a687059c | 1507 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN)); |
| 378cc40b LW |
1508 | str_free(fstr); |
| 1509 | } | |
| 8d063cd8 LW |
1510 | break; |
| 1511 | default: | |
| 1512 | def: | |
| 1513 | if (len) { | |
| 1514 | if (len > 5) | |
| 1515 | fatal("Garbage length in walk"); | |
| a687059c | 1516 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 | 1517 | for (i = 2; i<= len; i++) { |
| a687059c | 1518 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN)); |
| 8d063cd8 LW |
1519 | str_free(fstr); |
| 1520 | } | |
| 1521 | } | |
| 1522 | else { | |
| 1523 | str = Nullstr; | |
| 1524 | } | |
| 1525 | break; | |
| 1526 | } | |
| 1527 | if (!str) | |
| 1528 | str = str_new(0); | |
| a687059c LW |
1529 | |
| 1530 | if (useval && prec < minprec) { /* need parens? */ | |
| 1531 | fstr = str_new(str->str_cur+2); | |
| 1532 | str_nset(fstr,"(",1); | |
| 1533 | str_scat(fstr,str); | |
| 1534 | str_ncat(fstr,")",1); | |
| 1535 | str_free(str); | |
| 1536 | str = fstr; | |
| 1537 | } | |
| 1538 | ||
| 8d063cd8 LW |
1539 | *numericptr = numeric; |
| 1540 | #ifdef DEBUGGING | |
| 1541 | if (debug & 4) { | |
| 1542 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); | |
| 1543 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) | |
| 1544 | if (*t == '\n') | |
| 1545 | printf("\\n"); | |
| 1546 | else if (*t == '\t') | |
| 1547 | printf("\\t"); | |
| 1548 | else | |
| 1549 | putchar(*t); | |
| 1550 | putchar('\n'); | |
| 1551 | } | |
| 1552 | #endif | |
| 1553 | return str; | |
| 1554 | } | |
| 1555 | ||
| 748a9306 | 1556 | static void |
| f0f333f4 | 1557 | tab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1558 | { |
| 1559 | while (lvl > 1) { | |
| 1560 | str_cat(str,"\t"); | |
| 1561 | lvl -= 2; | |
| 1562 | } | |
| 1563 | if (lvl) | |
| 1564 | str_cat(str," "); | |
| 1565 | } | |
| 1566 | ||
| 748a9306 | 1567 | static void |
| f0f333f4 | 1568 | fixtab(register STR *str, register int lvl) |
| 8d063cd8 LW |
1569 | { |
| 1570 | register char *s; | |
| 1571 | ||
| 1572 | /* strip trailing white space */ | |
| 1573 | ||
| 1574 | s = str->str_ptr+str->str_cur - 1; | |
| a687059c | 1575 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) |
| 8d063cd8 LW |
1576 | s--; |
| 1577 | s[1] = '\0'; | |
| 1578 | str->str_cur = s + 1 - str->str_ptr; | |
| 1579 | if (s >= str->str_ptr && *s != '\n') | |
| 1580 | str_cat(str,"\n"); | |
| 1581 | ||
| 1582 | tab(str,lvl); | |
| 1583 | } | |
| 1584 | ||
| 748a9306 | 1585 | static void |
| f0f333f4 | 1586 | addsemi(register STR *str) |
| 8d063cd8 LW |
1587 | { |
| 1588 | register char *s; | |
| 1589 | ||
| 1590 | s = str->str_ptr+str->str_cur - 1; | |
| 1591 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) | |
| 1592 | s--; | |
| 1593 | if (s >= str->str_ptr && *s != ';' && *s != '}') | |
| 1594 | str_cat(str,";"); | |
| 1595 | } | |
| 1596 | ||
| 56febc5e | 1597 | static void |
| f0f333f4 | 1598 | emit_split(register STR *str, int level) |
| 8d063cd8 LW |
1599 | { |
| 1600 | register int i; | |
| 1601 | ||
| 1602 | if (split_to_array) | |
| 1603 | str_cat(str,"@Fld"); | |
| 1604 | else { | |
| 1605 | str_cat(str,"("); | |
| 1606 | for (i = 1; i < maxfld; i++) { | |
| 1607 | if (i <= arymax) | |
| 1608 | sprintf(tokenbuf,"$%s,",nameary[i]); | |
| 1609 | else | |
| 1610 | sprintf(tokenbuf,"$Fld%d,",i); | |
| 1611 | str_cat(str,tokenbuf); | |
| 1612 | } | |
| 1613 | if (maxfld <= arymax) | |
| 1614 | sprintf(tokenbuf,"$%s)",nameary[maxfld]); | |
| 1615 | else | |
| 1616 | sprintf(tokenbuf,"$Fld%d)",maxfld); | |
| 1617 | str_cat(str,tokenbuf); | |
| 1618 | } | |
| 1619 | if (const_FS) { | |
| 62b28dd9 | 1620 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, 9999);\n",const_FS); |
| 8d063cd8 LW |
1621 | str_cat(str,tokenbuf); |
| 1622 | } | |
| 1623 | else if (saw_FS) | |
| 62b28dd9 | 1624 | str_cat(str," = split($FS, $_, 9999);\n"); |
| 8d063cd8 | 1625 | else |
| 62b28dd9 | 1626 | str_cat(str," = split(' ', $_, 9999);\n"); |
| 8d063cd8 LW |
1627 | tab(str,level); |
| 1628 | } | |
| 1629 | ||
| 9c8d0b29 | 1630 | int |
| f0f333f4 | 1631 | prewalk(int numit, int level, register int node, int *numericptr) |
| 8d063cd8 LW |
1632 | { |
| 1633 | register int len; | |
| 1634 | register int type; | |
| 1635 | register int i; | |
| 8d063cd8 LW |
1636 | int numarg; |
| 1637 | int numeric = FALSE; | |
| a687059c LW |
1638 | STR *tmpstr; |
| 1639 | STR *tmp2str; | |
| 8d063cd8 LW |
1640 | |
| 1641 | if (!node) { | |
| 1642 | *numericptr = 0; | |
| 1643 | return 0; | |
| 1644 | } | |
| 1645 | type = ops[node].ival; | |
| 1646 | len = type >> 8; | |
| 1647 | type &= 255; | |
| 1648 | switch (type) { | |
| 1649 | case OPROG: | |
| 1650 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1651 | if (ops[node+2].ival) { | |
| 1652 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1653 | } | |
| 1654 | ++level; | |
| 1655 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1656 | --level; | |
| 1657 | if (ops[node+3].ival) { | |
| 1658 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1659 | } | |
| 1660 | break; | |
| 1661 | case OHUNKS: | |
| 1662 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1663 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1664 | if (len == 3) { | |
| 1665 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1666 | } | |
| 1667 | break; | |
| 1668 | case ORANGE: | |
| 1669 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1670 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1671 | break; | |
| 1672 | case OPAT: | |
| 1673 | goto def; | |
| 1674 | case OREGEX: | |
| 1675 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1676 | break; | |
| 1677 | case OHUNK: | |
| 1678 | if (len == 1) { | |
| 1679 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1680 | } | |
| 1681 | else { | |
| 1682 | i = prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1683 | if (i) { | |
| 1684 | ++level; | |
| 1685 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1686 | --level; | |
| 1687 | } | |
| 1688 | else { | |
| 1689 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1690 | } | |
| 1691 | } | |
| 1692 | break; | |
| 1693 | case OPPAREN: | |
| 1694 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1695 | break; | |
| 1696 | case OPANDAND: | |
| 1697 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1698 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1699 | break; | |
| 1700 | case OPOROR: | |
| 1701 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1702 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1703 | break; | |
| 1704 | case OPNOT: | |
| 1705 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1706 | break; | |
| 1707 | case OCPAREN: | |
| 1708 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1709 | numeric |= numarg; | |
| 1710 | break; | |
| 1711 | case OCANDAND: | |
| 1712 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1713 | numeric = 1; | |
| 1714 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1715 | break; | |
| 1716 | case OCOROR: | |
| 1717 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1718 | numeric = 1; | |
| 1719 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1720 | break; | |
| 1721 | case OCNOT: | |
| 1722 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1723 | numeric = 1; | |
| 1724 | break; | |
| 1725 | case ORELOP: | |
| 1726 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1727 | numeric |= numarg; | |
| 1728 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1729 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1730 | numeric |= numarg; | |
| 1731 | numeric = 1; | |
| 1732 | break; | |
| 1733 | case ORPAREN: | |
| 1734 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1735 | numeric |= numarg; | |
| 1736 | break; | |
| 1737 | case OMATCHOP: | |
| 1738 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1739 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1740 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1741 | numeric = 1; | |
| 1742 | break; | |
| 1743 | case OMPAREN: | |
| 1744 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1745 | numeric |= numarg; | |
| 1746 | break; | |
| 1747 | case OCONCAT: | |
| 1748 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1749 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1750 | break; | |
| 1751 | case OASSIGN: | |
| 1752 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1753 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1754 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 75f92628 | 1755 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) { |
| 8d063cd8 LW |
1756 | numericize(ops[node+2].ival); |
| 1757 | if (!numarg) | |
| 1758 | numericize(ops[node+3].ival); | |
| 1759 | } | |
| 1760 | numeric |= numarg; | |
| 1761 | break; | |
| 1762 | case OADD: | |
| 1763 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1764 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1765 | numeric = 1; | |
| 1766 | break; | |
| a687059c | 1767 | case OSUBTRACT: |
| 8d063cd8 LW |
1768 | prewalk(1,level,ops[node+1].ival,&numarg); |
| 1769 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1770 | numeric = 1; | |
| 1771 | break; | |
| 1772 | case OMULT: | |
| 1773 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1774 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1775 | numeric = 1; | |
| 1776 | break; | |
| 1777 | case ODIV: | |
| 1778 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1779 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1780 | numeric = 1; | |
| 1781 | break; | |
| a687059c LW |
1782 | case OPOW: |
| 1783 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1784 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1785 | numeric = 1; | |
| 1786 | break; | |
| 8d063cd8 LW |
1787 | case OMOD: |
| 1788 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1789 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1790 | numeric = 1; | |
| 1791 | break; | |
| 1792 | case OPOSTINCR: | |
| 1793 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1794 | numeric = 1; | |
| 1795 | break; | |
| 1796 | case OPOSTDECR: | |
| 1797 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1798 | numeric = 1; | |
| 1799 | break; | |
| 1800 | case OPREINCR: | |
| 1801 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1802 | numeric = 1; | |
| 1803 | break; | |
| 1804 | case OPREDECR: | |
| 1805 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1806 | numeric = 1; | |
| 1807 | break; | |
| 1808 | case OUMINUS: | |
| 1809 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1810 | numeric = 1; | |
| 1811 | break; | |
| 1812 | case OUPLUS: | |
| 1813 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1814 | numeric = 1; | |
| 1815 | break; | |
| 1816 | case OPAREN: | |
| 1817 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1818 | numeric |= numarg; | |
| 1819 | break; | |
| 1820 | case OGETLINE: | |
| 1821 | break; | |
| 1822 | case OSPRINTF: | |
| 1823 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1824 | break; | |
| 1825 | case OSUBSTR: | |
| 1826 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1827 | prewalk(1,level,ops[node+2].ival,&numarg); | |
| 1828 | if (len == 3) { | |
| 1829 | prewalk(1,level,ops[node+3].ival,&numarg); | |
| 1830 | } | |
| 1831 | break; | |
| 1832 | case OSTRING: | |
| 1833 | break; | |
| 1834 | case OSPLIT: | |
| 1835 | numeric = 1; | |
| 1836 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1837 | if (len == 3) | |
| 1838 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1839 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1840 | break; | |
| 1841 | case OINDEX: | |
| 1842 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1843 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1844 | numeric = 1; | |
| 1845 | break; | |
| a687059c LW |
1846 | case OMATCH: |
| 1847 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1848 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1849 | numeric = 1; | |
| 1850 | break; | |
| 1851 | case OUSERDEF: | |
| 1852 | subretnum = FALSE; | |
| 1853 | --level; | |
| 1854 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN); | |
| 1855 | ++level; | |
| 1856 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1857 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 1858 | prewalk(0,level,ops[node+5].ival,&numarg); | |
| 1859 | --level; | |
| 1860 | str_cat(tmpstr,"("); | |
| 1861 | tmp2str = str_new(0); | |
| 1862 | if (subretnum || numarg) | |
| 1863 | str_set(tmp2str,"1"); | |
| 1864 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 1865 | str_free(tmpstr); | |
| 1866 | level++; | |
| 1867 | break; | |
| 1868 | case ORETURN: | |
| 1869 | if (len > 0) { | |
| 1870 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1871 | if (numarg) | |
| 1872 | subretnum = TRUE; | |
| 1873 | } | |
| 1874 | break; | |
| 1875 | case OUSERFUN: | |
| 1876 | tmp2str = str_new(0); | |
| 1877 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN)); | |
| 663a0e37 | 1878 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0); |
| a687059c LW |
1879 | str_free(tmpstr); |
| 1880 | str_cat(tmp2str,"("); | |
| 1881 | tmpstr = hfetch(symtab,tmp2str->str_ptr); | |
| 1882 | if (tmpstr && tmpstr->str_ptr) | |
| 1883 | numeric |= atoi(tmpstr->str_ptr); | |
| 1884 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1885 | str_free(tmp2str); | |
| 1886 | break; | |
| 1887 | case OGSUB: | |
| 1888 | case OSUB: | |
| 1889 | if (len >= 3) | |
| 1890 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1891 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg); | |
| 1892 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1893 | numeric = 1; | |
| 1894 | break; | |
| 8d063cd8 LW |
1895 | case ONUM: |
| 1896 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1897 | numeric = 1; | |
| 1898 | break; | |
| 1899 | case OSTR: | |
| 1900 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1901 | break; | |
| a687059c LW |
1902 | case ODEFINED: |
| 1903 | case ODELETE: | |
| 1904 | case OSTAR: | |
| 8d063cd8 LW |
1905 | case OVAR: |
| 1906 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1907 | if (len == 1) { | |
| 1908 | if (numit) | |
| 1909 | numericize(node); | |
| 1910 | } | |
| 1911 | else { | |
| 1912 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1913 | } | |
| 1914 | break; | |
| 1915 | case OFLD: | |
| 1916 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1917 | break; | |
| 1918 | case OVFLD: | |
| 1919 | i = ops[node+1].ival; | |
| 1920 | prewalk(0,level,i,&numarg); | |
| 1921 | break; | |
| 1922 | case OJUNK: | |
| 1923 | goto def; | |
| 1924 | case OSNEWLINE: | |
| 1925 | break; | |
| 1926 | case ONEWLINE: | |
| 1927 | break; | |
| 1928 | case OSCOMMENT: | |
| 1929 | break; | |
| 1930 | case OCOMMENT: | |
| 1931 | break; | |
| 1932 | case OCOMMA: | |
| 1933 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1934 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| a687059c | 1935 | prewalk(0,level,ops[node+3].ival,&numarg); |
| 8d063cd8 LW |
1936 | break; |
| 1937 | case OSEMICOLON: | |
| 1938 | break; | |
| 1939 | case OSTATES: | |
| 1940 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1941 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1942 | break; | |
| 1943 | case OSTATE: | |
| 1944 | if (len >= 1) { | |
| 1945 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1946 | if (len >= 2) { | |
| 1947 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1948 | } | |
| 1949 | } | |
| 1950 | break; | |
| a687059c LW |
1951 | case OCLOSE: |
| 1952 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 1953 | break; | |
| 8d063cd8 LW |
1954 | case OPRINTF: |
| 1955 | case OPRINT: | |
| 1956 | if (len == 3) { /* output redirection */ | |
| 1957 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 1958 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 1959 | } | |
| 1960 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); | |
| 1961 | break; | |
| a687059c LW |
1962 | case ORAND: |
| 1963 | break; | |
| 1964 | case OSRAND: | |
| 1965 | goto maybe0; | |
| 1966 | case OATAN2: | |
| 1967 | goto maybe0; | |
| 1968 | case OSIN: | |
| 1969 | goto maybe0; | |
| 1970 | case OCOS: | |
| 1971 | goto maybe0; | |
| 1972 | case OSYSTEM: | |
| 1973 | goto maybe0; | |
| 8d063cd8 LW |
1974 | case OLENGTH: |
| 1975 | goto maybe0; | |
| 1976 | case OLOG: | |
| 1977 | goto maybe0; | |
| 1978 | case OEXP: | |
| 1979 | goto maybe0; | |
| 1980 | case OSQRT: | |
| 1981 | goto maybe0; | |
| 1982 | case OINT: | |
| 1983 | maybe0: | |
| 1984 | numeric = 1; | |
| 1985 | if (len > 0) | |
| a687059c LW |
1986 | prewalk(type != OLENGTH && type != OSYSTEM, |
| 1987 | level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
1988 | break; |
| 1989 | case OBREAK: | |
| 1990 | break; | |
| 1991 | case ONEXT: | |
| 1992 | break; | |
| 1993 | case OEXIT: | |
| 1994 | if (len == 1) { | |
| 1995 | prewalk(1,level,ops[node+1].ival,&numarg); | |
| 1996 | } | |
| 1997 | break; | |
| 1998 | case OCONTINUE: | |
| 1999 | break; | |
| 2000 | case OREDIR: | |
| 2001 | goto def; | |
| 2002 | case OIF: | |
| 2003 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2004 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2005 | if (len == 3) { | |
| 2006 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 2007 | } | |
| 2008 | break; | |
| 2009 | case OWHILE: | |
| 2010 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2011 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2012 | break; | |
| 2013 | case OFOR: | |
| 2014 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2015 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2016 | prewalk(0,level,ops[node+3].ival,&numarg); | |
| 2017 | prewalk(0,level,ops[node+4].ival,&numarg); | |
| 2018 | break; | |
| 2019 | case OFORIN: | |
| 2020 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2021 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 8d063cd8 LW |
2022 | break; |
| 2023 | case OBLOCK: | |
| 2024 | if (len == 2) { | |
| 2025 | prewalk(0,level,ops[node+2].ival,&numarg); | |
| 2026 | } | |
| 2027 | ++level; | |
| 2028 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2029 | --level; | |
| 2030 | break; | |
| 2031 | default: | |
| 2032 | def: | |
| 2033 | if (len) { | |
| 2034 | if (len > 5) | |
| 2035 | fatal("Garbage length in prewalk"); | |
| 2036 | prewalk(0,level,ops[node+1].ival,&numarg); | |
| 2037 | for (i = 2; i<= len; i++) { | |
| 2038 | prewalk(0,level,ops[node+i].ival,&numarg); | |
| 2039 | } | |
| 2040 | } | |
| 2041 | break; | |
| 2042 | } | |
| 2043 | *numericptr = numeric; | |
| 2044 | return 1; | |
| 2045 | } | |
| 2046 | ||
| 748a9306 | 2047 | static void |
| f0f333f4 | 2048 | numericize(register int node) |
| 8d063cd8 LW |
2049 | { |
| 2050 | register int len; | |
| 2051 | register int type; | |
| 8d063cd8 LW |
2052 | STR *tmpstr; |
| 2053 | STR *tmp2str; | |
| 2054 | int numarg; | |
| 2055 | ||
| 2056 | type = ops[node].ival; | |
| 2057 | len = type >> 8; | |
| 2058 | type &= 255; | |
| 2059 | if (type == OVAR && len == 1) { | |
| a687059c | 2060 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN); |
| 8d063cd8 LW |
2061 | tmp2str = str_make("1"); |
| 2062 | hstore(symtab,tmpstr->str_ptr,tmp2str); | |
| 2063 | } | |
| 2064 | } |