1: /* $Header: walk.c,v 1.0.1.1 88/01/28 11:07:56 root Exp $ 2: * 3: * $Log: walk.c,v $ 4: * Revision 1.0.1.1 88/01/28 11:07:56 root 5: * patch8: changed some misleading comments. 6: * 7: * Revision 1.0 87/12/18 13:07:40 root 8: * Initial revision 9: * 10: */ 11: 12: #include "handy.h" 13: #include "EXTERN.h" 14: #include "util.h" 15: #include "a2p.h" 16: 17: bool exitval = FALSE; 18: bool realexit = FALSE; 19: int maxtmp = 0; 20: 21: STR * 22: walk(useval,level,node,numericptr) 23: int useval; 24: int level; 25: register int node; 26: int *numericptr; 27: { 28: register int len; 29: register STR *str; 30: register int type; 31: register int i; 32: register STR *tmpstr; 33: STR *tmp2str; 34: char *t; 35: char *d, *s; 36: int numarg; 37: int numeric = FALSE; 38: STR *fstr; 39: char *index(); 40: 41: if (!node) { 42: *numericptr = 0; 43: return str_make(""); 44: } 45: type = ops[node].ival; 46: len = type >> 8; 47: type &= 255; 48: switch (type) { 49: case OPROG: 50: str = walk(0,level,ops[node+1].ival,&numarg); 51: opens = str_new(0); 52: if (do_split && need_entire && !absmaxfld) 53: split_to_array = TRUE; 54: if (do_split && split_to_array) 55: set_array_base = TRUE; 56: if (set_array_base) { 57: str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n"); 58: } 59: if (fswitch && !const_FS) 60: const_FS = fswitch; 61: if (saw_FS > 1 || saw_RS) 62: const_FS = 0; 63: if (saw_ORS && need_entire) 64: do_chop = TRUE; 65: if (fswitch) { 66: str_cat(str,"$FS = '"); 67: if (index("*+?.[]()|^$\\",fswitch)) 68: str_cat(str,"\\"); 69: sprintf(tokenbuf,"%c",fswitch); 70: str_cat(str,tokenbuf); 71: str_cat(str,"';\t\t# field separator from -F switch\n"); 72: } 73: else if (saw_FS && !const_FS) { 74: str_cat(str,"$FS = '[ \\t\\n]+';\t\t# set field separator\n"); 75: } 76: if (saw_OFS) { 77: str_cat(str,"$, = ' ';\t\t# set output field separator\n"); 78: } 79: if (saw_ORS) { 80: str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n"); 81: } 82: if (str->str_cur > 20) 83: str_cat(str,"\n"); 84: if (ops[node+2].ival) { 85: str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg)); 86: str_free(fstr); 87: str_cat(str,"\n\n"); 88: } 89: if (saw_line_op) 90: str_cat(str,"line: "); 91: str_cat(str,"while (<>) {\n"); 92: tab(str,++level); 93: if (saw_FS && !const_FS) 94: do_chop = TRUE; 95: if (do_chop) { 96: str_cat(str,"chop;\t# strip record separator\n"); 97: tab(str,level); 98: } 99: arymax = 0; 100: if (namelist) { 101: while (isalpha(*namelist)) { 102: for (d = tokenbuf,s=namelist; 103: isalpha(*s) || isdigit(*s) || *s == '_'; 104: *d++ = *s++) ; 105: *d = '\0'; 106: while (*s && !isalpha(*s)) s++; 107: namelist = s; 108: nameary[++arymax] = savestr(tokenbuf); 109: } 110: } 111: if (maxfld < arymax) 112: maxfld = arymax; 113: if (do_split) 114: emit_split(str,level); 115: str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg)); 116: str_free(fstr); 117: fixtab(str,--level); 118: str_cat(str,"}\n"); 119: if (ops[node+4].ival) { 120: realexit = TRUE; 121: str_cat(str,"\n"); 122: tab(str,level); 123: str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg)); 124: str_free(fstr); 125: str_cat(str,"\n"); 126: } 127: if (exitval) 128: str_cat(str,"exit ExitValue;\n"); 129: if (do_fancy_opens) { 130: str_cat(str,"\n\ 131: sub Pick {\n\ 132: ($name) = @_;\n\ 133: $fh = $opened{$name};\n\ 134: if (!$fh) {\n\ 135: $nextfh == 0 && open(fh_0,$name);\n\ 136: $nextfh == 1 && open(fh_1,$name);\n\ 137: $nextfh == 2 && open(fh_2,$name);\n\ 138: $nextfh == 3 && open(fh_3,$name);\n\ 139: $nextfh == 4 && open(fh_4,$name);\n\ 140: $nextfh == 5 && open(fh_5,$name);\n\ 141: $nextfh == 6 && open(fh_6,$name);\n\ 142: $nextfh == 7 && open(fh_7,$name);\n\ 143: $nextfh == 8 && open(fh_8,$name);\n\ 144: $nextfh == 9 && open(fh_9,$name);\n\ 145: $fh = $opened{$name} = 'fh_' . $nextfh++;\n\ 146: }\n\ 147: select($fh);\n\ 148: }\n\ 149: "); 150: } 151: break; 152: case OHUNKS: 153: str = walk(0,level,ops[node+1].ival,&numarg); 154: str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg)); 155: str_free(fstr); 156: if (len == 3) { 157: str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg)); 158: str_free(fstr); 159: } 160: else { 161: } 162: break; 163: case ORANGE: 164: str = walk(1,level,ops[node+1].ival,&numarg); 165: str_cat(str," .. "); 166: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 167: str_free(fstr); 168: break; 169: case OPAT: 170: goto def; 171: case OREGEX: 172: str = str_new(0); 173: str_set(str,"/"); 174: tmpstr=walk(0,level,ops[node+1].ival,&numarg); 175: /* translate \nnn to [\nnn] */ 176: for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) { 177: if (*s == '\\' && isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])) { 178: *d++ = '['; 179: *d++ = *s++; 180: *d++ = *s++; 181: *d++ = *s++; 182: *d++ = *s; 183: *d = ']'; 184: } 185: else 186: *d = *s; 187: } 188: *d = '\0'; 189: str_cat(str,tokenbuf); 190: str_free(tmpstr); 191: str_cat(str,"/"); 192: break; 193: case OHUNK: 194: if (len == 1) { 195: str = str_new(0); 196: str = walk(0,level,oper1(OPRINT,0),&numarg); 197: str_cat(str," if "); 198: str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg)); 199: str_free(fstr); 200: str_cat(str,";"); 201: } 202: else { 203: tmpstr = walk(0,level,ops[node+1].ival,&numarg); 204: if (*tmpstr->str_ptr) { 205: str = str_new(0); 206: str_set(str,"if ("); 207: str_scat(str,tmpstr); 208: str_cat(str,") {\n"); 209: tab(str,++level); 210: str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg)); 211: str_free(fstr); 212: fixtab(str,--level); 213: str_cat(str,"}\n"); 214: tab(str,level); 215: } 216: else { 217: str = walk(0,level,ops[node+2].ival,&numarg); 218: } 219: } 220: break; 221: case OPPAREN: 222: str = str_new(0); 223: str_set(str,"("); 224: str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg)); 225: str_free(fstr); 226: str_cat(str,")"); 227: break; 228: case OPANDAND: 229: str = walk(1,level,ops[node+1].ival,&numarg); 230: str_cat(str," && "); 231: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 232: str_free(fstr); 233: break; 234: case OPOROR: 235: str = walk(1,level,ops[node+1].ival,&numarg); 236: str_cat(str," || "); 237: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 238: str_free(fstr); 239: break; 240: case OPNOT: 241: str = str_new(0); 242: str_set(str,"!"); 243: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 244: str_free(fstr); 245: break; 246: case OCPAREN: 247: str = str_new(0); 248: str_set(str,"("); 249: str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg)); 250: str_free(fstr); 251: numeric |= numarg; 252: str_cat(str,")"); 253: break; 254: case OCANDAND: 255: str = walk(1,level,ops[node+1].ival,&numarg); 256: numeric = 1; 257: str_cat(str," && "); 258: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 259: str_free(fstr); 260: break; 261: case OCOROR: 262: str = walk(1,level,ops[node+1].ival,&numarg); 263: numeric = 1; 264: str_cat(str," || "); 265: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 266: str_free(fstr); 267: break; 268: case OCNOT: 269: str = str_new(0); 270: str_set(str,"!"); 271: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 272: str_free(fstr); 273: numeric = 1; 274: break; 275: case ORELOP: 276: str = walk(1,level,ops[node+2].ival,&numarg); 277: numeric |= numarg; 278: tmpstr = walk(0,level,ops[node+1].ival,&numarg); 279: tmp2str = walk(1,level,ops[node+3].ival,&numarg); 280: numeric |= numarg; 281: if (!numeric) { 282: t = tmpstr->str_ptr; 283: if (strEQ(t,"==")) 284: str_set(tmpstr,"eq"); 285: else if (strEQ(t,"!=")) 286: str_set(tmpstr,"ne"); 287: else if (strEQ(t,"<")) 288: str_set(tmpstr,"lt"); 289: else if (strEQ(t,"<=")) 290: str_set(tmpstr,"le"); 291: else if (strEQ(t,">")) 292: str_set(tmpstr,"gt"); 293: else if (strEQ(t,">=")) 294: str_set(tmpstr,"ge"); 295: if (!index(tmpstr->str_ptr,'\'') && !index(tmpstr->str_ptr,'"') && 296: !index(tmp2str->str_ptr,'\'') && !index(tmp2str->str_ptr,'"') ) 297: numeric |= 2; 298: } 299: if (numeric & 2) { 300: if (numeric & 1) /* numeric is very good guess */ 301: str_cat(str," "); 302: else 303: str_cat(str,"\377"); 304: numeric = 1; 305: } 306: else 307: str_cat(str," "); 308: str_scat(str,tmpstr); 309: str_free(tmpstr); 310: str_cat(str," "); 311: str_scat(str,tmp2str); 312: str_free(tmp2str); 313: numeric = 1; 314: break; 315: case ORPAREN: 316: str = str_new(0); 317: str_set(str,"("); 318: str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg)); 319: str_free(fstr); 320: numeric |= numarg; 321: str_cat(str,")"); 322: break; 323: case OMATCHOP: 324: str = walk(1,level,ops[node+2].ival,&numarg); 325: str_cat(str," "); 326: tmpstr = walk(0,level,ops[node+1].ival,&numarg); 327: if (strEQ(tmpstr->str_ptr,"~")) 328: str_cat(str,"=~"); 329: else { 330: str_scat(str,tmpstr); 331: str_free(tmpstr); 332: } 333: str_cat(str," "); 334: str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg)); 335: str_free(fstr); 336: numeric = 1; 337: break; 338: case OMPAREN: 339: str = str_new(0); 340: str_set(str,"("); 341: str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg)); 342: str_free(fstr); 343: numeric |= numarg; 344: str_cat(str,")"); 345: break; 346: case OCONCAT: 347: str = walk(1,level,ops[node+1].ival,&numarg); 348: str_cat(str," . "); 349: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 350: str_free(fstr); 351: break; 352: case OASSIGN: 353: str = walk(0,level,ops[node+2].ival,&numarg); 354: str_cat(str," "); 355: tmpstr = walk(0,level,ops[node+1].ival,&numarg); 356: str_scat(str,tmpstr); 357: if (str_len(tmpstr) > 1) 358: numeric = 1; 359: str_free(tmpstr); 360: str_cat(str," "); 361: str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg)); 362: str_free(fstr); 363: numeric |= numarg; 364: if (strEQ(str->str_ptr,"$FS = '\240'")) 365: str_set(str,"$FS = '[\240\\n\\t]+'"); 366: break; 367: case OADD: 368: str = walk(1,level,ops[node+1].ival,&numarg); 369: str_cat(str," + "); 370: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 371: str_free(fstr); 372: numeric = 1; 373: break; 374: case OSUB: 375: str = walk(1,level,ops[node+1].ival,&numarg); 376: str_cat(str," - "); 377: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 378: str_free(fstr); 379: numeric = 1; 380: break; 381: case OMULT: 382: str = walk(1,level,ops[node+1].ival,&numarg); 383: str_cat(str," * "); 384: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 385: str_free(fstr); 386: numeric = 1; 387: break; 388: case ODIV: 389: str = walk(1,level,ops[node+1].ival,&numarg); 390: str_cat(str," / "); 391: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 392: str_free(fstr); 393: numeric = 1; 394: break; 395: case OMOD: 396: str = walk(1,level,ops[node+1].ival,&numarg); 397: str_cat(str," % "); 398: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 399: str_free(fstr); 400: numeric = 1; 401: break; 402: case OPOSTINCR: 403: str = walk(1,level,ops[node+1].ival,&numarg); 404: str_cat(str,"++"); 405: numeric = 1; 406: break; 407: case OPOSTDECR: 408: str = walk(1,level,ops[node+1].ival,&numarg); 409: str_cat(str,"--"); 410: numeric = 1; 411: break; 412: case OPREINCR: 413: str = str_new(0); 414: str_set(str,"++"); 415: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 416: str_free(fstr); 417: numeric = 1; 418: break; 419: case OPREDECR: 420: str = str_new(0); 421: str_set(str,"--"); 422: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 423: str_free(fstr); 424: numeric = 1; 425: break; 426: case OUMINUS: 427: str = str_new(0); 428: str_set(str,"-"); 429: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 430: str_free(fstr); 431: numeric = 1; 432: break; 433: case OUPLUS: 434: numeric = 1; 435: goto def; 436: case OPAREN: 437: str = str_new(0); 438: str_set(str,"("); 439: str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg)); 440: str_free(fstr); 441: str_cat(str,")"); 442: numeric |= numarg; 443: break; 444: case OGETLINE: 445: str = str_new(0); 446: str_set(str,"$_ = <>;\n"); 447: tab(str,level); 448: if (do_chop) { 449: str_cat(str,"chop;\t# strip record separator\n"); 450: tab(str,level); 451: } 452: if (do_split) 453: emit_split(str,level); 454: break; 455: case OSPRINTF: 456: str = str_new(0); 457: str_set(str,"sprintf("); 458: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 459: str_free(fstr); 460: str_cat(str,")"); 461: break; 462: case OSUBSTR: 463: str = str_new(0); 464: str_set(str,"substr("); 465: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 466: str_free(fstr); 467: str_cat(str,", "); 468: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 469: str_free(fstr); 470: str_cat(str,", "); 471: if (len == 3) { 472: str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg)); 473: str_free(fstr); 474: } 475: else 476: str_cat(str,"999999"); 477: str_cat(str,")"); 478: break; 479: case OSTRING: 480: str = str_new(0); 481: str_set(str,ops[node+1].cval); 482: break; 483: case OSPLIT: 484: str = str_new(0); 485: numeric = 1; 486: tmpstr = walk(1,level,ops[node+2].ival,&numarg); 487: if (useval) 488: str_set(str,"(@"); 489: else 490: str_set(str,"@"); 491: str_scat(str,tmpstr); 492: str_cat(str," = split("); 493: if (len == 3) { 494: fstr = walk(1,level,ops[node+3].ival,&numarg); 495: if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') { 496: i = fstr->str_ptr[1] & 127; 497: if (index("*+?.[]()|^$\\",i)) 498: sprintf(tokenbuf,"/\\%c/",i); 499: else 500: sprintf(tokenbuf,"/%c/",i); 501: str_cat(str,tokenbuf); 502: } 503: else 504: str_scat(str,fstr); 505: str_free(fstr); 506: } 507: else if (const_FS) { 508: sprintf(tokenbuf,"/[%c\\n]/",const_FS); 509: str_cat(str,tokenbuf); 510: } 511: else if (saw_FS) 512: str_cat(str,"$FS"); 513: else 514: str_cat(str,"/[ \\t\\n]+/"); 515: str_cat(str,", "); 516: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 517: str_free(fstr); 518: str_cat(str,")"); 519: if (useval) { 520: str_cat(str,")"); 521: } 522: str_free(tmpstr); 523: break; 524: case OINDEX: 525: str = str_new(0); 526: str_set(str,"index("); 527: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 528: str_free(fstr); 529: str_cat(str,", "); 530: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 531: str_free(fstr); 532: str_cat(str,")"); 533: numeric = 1; 534: break; 535: case ONUM: 536: str = walk(1,level,ops[node+1].ival,&numarg); 537: numeric = 1; 538: break; 539: case OSTR: 540: tmpstr = walk(1,level,ops[node+1].ival,&numarg); 541: s = "'"; 542: for (t = tmpstr->str_ptr; *t; t++) { 543: if (*t == '\\' || *t == '\'') 544: s = "\""; 545: *t += 128; 546: } 547: str = str_new(0); 548: str_set(str,s); 549: str_scat(str,tmpstr); 550: str_free(tmpstr); 551: str_cat(str,s); 552: break; 553: case OVAR: 554: str = str_new(0); 555: str_set(str,"$"); 556: str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg)); 557: if (len == 1) { 558: tmp2str = hfetch(symtab,tmpstr->str_ptr); 559: if (tmp2str && atoi(tmp2str->str_ptr)) 560: numeric = 2; 561: if (strEQ(str->str_ptr,"$NR")) { 562: numeric = 1; 563: str_set(str,"$."); 564: } 565: else if (strEQ(str->str_ptr,"$NF")) { 566: numeric = 1; 567: str_set(str,"$#Fld"); 568: } 569: else if (strEQ(str->str_ptr,"$0")) 570: str_set(str,"$_"); 571: } 572: else { 573: str_cat(tmpstr,"[]"); 574: tmp2str = hfetch(symtab,tmpstr->str_ptr); 575: if (tmp2str && atoi(tmp2str->str_ptr)) 576: str_cat(str,"["); 577: else 578: str_cat(str,"{"); 579: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 580: str_free(fstr); 581: if (tmp2str && atoi(tmp2str->str_ptr)) 582: strcpy(tokenbuf,"]"); 583: else 584: strcpy(tokenbuf,"}"); 585: *tokenbuf += 128; 586: str_cat(str,tokenbuf); 587: } 588: str_free(tmpstr); 589: break; 590: case OFLD: 591: str = str_new(0); 592: if (split_to_array) { 593: str_set(str,"$Fld"); 594: str_cat(str,"["); 595: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 596: str_free(fstr); 597: str_cat(str,"]"); 598: } 599: else { 600: i = atoi(walk(1,level,ops[node+1].ival,&numarg)->str_ptr); 601: if (i <= arymax) 602: sprintf(tokenbuf,"$%s",nameary[i]); 603: else 604: sprintf(tokenbuf,"$Fld%d",i); 605: str_set(str,tokenbuf); 606: } 607: break; 608: case OVFLD: 609: str = str_new(0); 610: str_set(str,"$Fld["); 611: i = ops[node+1].ival; 612: if ((ops[i].ival & 255) == OPAREN) 613: i = ops[i+1].ival; 614: tmpstr=walk(1,level,i,&numarg); 615: str_scat(str,tmpstr); 616: str_free(tmpstr); 617: str_cat(str,"]"); 618: break; 619: case OJUNK: 620: goto def; 621: case OSNEWLINE: 622: str = str_new(2); 623: str_set(str,";\n"); 624: tab(str,level); 625: break; 626: case ONEWLINE: 627: str = str_new(1); 628: str_set(str,"\n"); 629: tab(str,level); 630: break; 631: case OSCOMMENT: 632: str = str_new(0); 633: str_set(str,";"); 634: tmpstr = walk(0,level,ops[node+1].ival,&numarg); 635: for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) 636: *s += 128; 637: str_scat(str,tmpstr); 638: str_free(tmpstr); 639: tab(str,level); 640: break; 641: case OCOMMENT: 642: str = str_new(0); 643: tmpstr = walk(0,level,ops[node+1].ival,&numarg); 644: for (s = tmpstr->str_ptr; *s && *s != '\n'; s++) 645: *s += 128; 646: str_scat(str,tmpstr); 647: str_free(tmpstr); 648: tab(str,level); 649: break; 650: case OCOMMA: 651: str = walk(1,level,ops[node+1].ival,&numarg); 652: str_cat(str,", "); 653: str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg)); 654: str_free(fstr); 655: break; 656: case OSEMICOLON: 657: str = str_new(1); 658: str_set(str,"; "); 659: break; 660: case OSTATES: 661: str = walk(0,level,ops[node+1].ival,&numarg); 662: str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg)); 663: str_free(fstr); 664: break; 665: case OSTATE: 666: str = str_new(0); 667: if (len >= 1) { 668: str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg)); 669: str_free(fstr); 670: if (len >= 2) { 671: tmpstr = walk(0,level,ops[node+2].ival,&numarg); 672: if (*tmpstr->str_ptr == ';') { 673: addsemi(str); 674: str_cat(str,tmpstr->str_ptr+1); 675: } 676: str_free(tmpstr); 677: } 678: } 679: break; 680: case OPRINTF: 681: case OPRINT: 682: str = str_new(0); 683: if (len == 3) { /* output redirection */ 684: tmpstr = walk(1,level,ops[node+3].ival,&numarg); 685: tmp2str = walk(1,level,ops[node+2].ival,&numarg); 686: if (!do_fancy_opens) { 687: t = tmpstr->str_ptr; 688: if (*t == '"' || *t == '\'') 689: t = cpytill(tokenbuf,t+1,*t); 690: else 691: fatal("Internal error: OPRINT"); 692: d = savestr(t); 693: s = savestr(tokenbuf); 694: for (t = tokenbuf; *t; t++) { 695: *t &= 127; 696: if (!isalpha(*t) && !isdigit(*t)) 697: *t = '_'; 698: } 699: if (!index(tokenbuf,'_')) 700: strcpy(t,"_fh"); 701: str_cat(opens,"open("); 702: str_cat(opens,tokenbuf); 703: str_cat(opens,", "); 704: d[1] = '\0'; 705: str_cat(opens,d); 706: str_scat(opens,tmp2str); 707: str_cat(opens,tmpstr->str_ptr+1); 708: if (*tmp2str->str_ptr == '|') 709: str_cat(opens,") || die 'Cannot pipe to \""); 710: else 711: str_cat(opens,") || die 'Cannot create file \""); 712: if (*d == '"') 713: str_cat(opens,"'.\""); 714: str_cat(opens,s); 715: if (*d == '"') 716: str_cat(opens,"\".'"); 717: str_cat(opens,"\".';\n"); 718: str_free(tmpstr); 719: str_free(tmp2str); 720: safefree(s); 721: safefree(d); 722: } 723: else { 724: sprintf(tokenbuf,"do Pick('%s' . (%s)) &&\n", 725: tmp2str->str_ptr, tmpstr->str_ptr); 726: str_cat(str,tokenbuf); 727: tab(str,level+1); 728: *tokenbuf = '\0'; 729: str_free(tmpstr); 730: str_free(tmp2str); 731: } 732: } 733: else 734: strcpy(tokenbuf,"stdout"); 735: if (type == OPRINTF) 736: str_cat(str,"printf"); 737: else 738: str_cat(str,"print"); 739: if (len == 3 || do_fancy_opens) { 740: if (*tokenbuf) 741: str_cat(str," "); 742: str_cat(str,tokenbuf); 743: } 744: tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg); 745: if (!*tmpstr->str_ptr && lval_field) { 746: t = saw_OFS ? "$," : "' '"; 747: if (split_to_array) { 748: sprintf(tokenbuf,"join(%s,@Fld)",t); 749: str_cat(tmpstr,tokenbuf); 750: } 751: else { 752: for (i = 1; i < maxfld; i++) { 753: if (i <= arymax) 754: sprintf(tokenbuf,"$%s, ",nameary[i]); 755: else 756: sprintf(tokenbuf,"$Fld%d, ",i); 757: str_cat(tmpstr,tokenbuf); 758: } 759: if (maxfld <= arymax) 760: sprintf(tokenbuf,"$%s",nameary[maxfld]); 761: else 762: sprintf(tokenbuf,"$Fld%d",maxfld); 763: str_cat(tmpstr,tokenbuf); 764: } 765: } 766: if (*tmpstr->str_ptr) { 767: str_cat(str," "); 768: str_scat(str,tmpstr); 769: } 770: else { 771: str_cat(str," $_"); 772: } 773: str_free(tmpstr); 774: break; 775: case OLENGTH: 776: str = str_make("length("); 777: goto maybe0; 778: case OLOG: 779: str = str_make("log("); 780: goto maybe0; 781: case OEXP: 782: str = str_make("exp("); 783: goto maybe0; 784: case OSQRT: 785: str = str_make("sqrt("); 786: goto maybe0; 787: case OINT: 788: str = str_make("int("); 789: maybe0: 790: numeric = 1; 791: if (len > 0) 792: tmpstr = walk(1,level,ops[node+1].ival,&numarg); 793: else 794: tmpstr = str_new(0);; 795: if (!*tmpstr->str_ptr) { 796: if (lval_field) { 797: t = saw_OFS ? "$," : "' '"; 798: if (split_to_array) { 799: sprintf(tokenbuf,"join(%s,@Fld)",t); 800: str_cat(tmpstr,tokenbuf); 801: } 802: else { 803: sprintf(tokenbuf,"join(%s, ",t); 804: str_cat(tmpstr,tokenbuf); 805: for (i = 1; i < maxfld; i++) { 806: if (i <= arymax) 807: sprintf(tokenbuf,"$%s,",nameary[i]); 808: else 809: sprintf(tokenbuf,"$Fld%d,",i); 810: str_cat(tmpstr,tokenbuf); 811: } 812: if (maxfld <= arymax) 813: sprintf(tokenbuf,"$%s)",nameary[maxfld]); 814: else 815: sprintf(tokenbuf,"$Fld%d)",maxfld); 816: str_cat(tmpstr,tokenbuf); 817: } 818: } 819: else 820: str_cat(tmpstr,"$_"); 821: } 822: if (strEQ(tmpstr->str_ptr,"$_")) { 823: if (type == OLENGTH && !do_chop) { 824: str = str_make("(length("); 825: str_cat(tmpstr,") - 1"); 826: } 827: } 828: str_scat(str,tmpstr); 829: str_free(tmpstr); 830: str_cat(str,")"); 831: break; 832: case OBREAK: 833: str = str_new(0); 834: str_set(str,"last"); 835: break; 836: case ONEXT: 837: str = str_new(0); 838: str_set(str,"next line"); 839: break; 840: case OEXIT: 841: str = str_new(0); 842: if (realexit) { 843: str_set(str,"exit"); 844: if (len == 1) { 845: str_cat(str," "); 846: exitval = TRUE; 847: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 848: str_free(fstr); 849: } 850: } 851: else { 852: if (len == 1) { 853: str_set(str,"ExitValue = "); 854: exitval = TRUE; 855: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 856: str_free(fstr); 857: str_cat(str,"; "); 858: } 859: str_cat(str,"last line"); 860: } 861: break; 862: case OCONTINUE: 863: str = str_new(0); 864: str_set(str,"next"); 865: break; 866: case OREDIR: 867: goto def; 868: case OIF: 869: str = str_new(0); 870: str_set(str,"if ("); 871: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 872: str_free(fstr); 873: str_cat(str,") "); 874: str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg)); 875: str_free(fstr); 876: if (len == 3) { 877: i = ops[node+3].ival; 878: if (i) { 879: if ((ops[i].ival & 255) == OBLOCK) { 880: i = ops[i+1].ival; 881: if (i) { 882: if ((ops[i].ival & 255) != OIF) 883: i = 0; 884: } 885: } 886: else 887: i = 0; 888: } 889: if (i) { 890: str_cat(str,"els"); 891: str_scat(str,fstr=walk(0,level,i,&numarg)); 892: str_free(fstr); 893: } 894: else { 895: str_cat(str,"else "); 896: str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg)); 897: str_free(fstr); 898: } 899: } 900: break; 901: case OWHILE: 902: str = str_new(0); 903: str_set(str,"while ("); 904: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 905: str_free(fstr); 906: str_cat(str,") "); 907: str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg)); 908: str_free(fstr); 909: break; 910: case OFOR: 911: str = str_new(0); 912: str_set(str,"for ("); 913: str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg)); 914: i = numarg; 915: if (i) { 916: t = s = tmpstr->str_ptr; 917: while (isalpha(*t) || isdigit(*t) || *t == '$' || *t == '_') 918: t++; 919: i = t - s; 920: if (i < 2) 921: i = 0; 922: } 923: str_cat(str,"; "); 924: fstr=walk(1,level,ops[node+2].ival,&numarg); 925: if (i && (t = index(fstr->str_ptr,0377))) { 926: if (strnEQ(fstr->str_ptr,s,i)) 927: *t = ' '; 928: } 929: str_scat(str,fstr); 930: str_free(fstr); 931: str_free(tmpstr); 932: str_cat(str,"; "); 933: str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg)); 934: str_free(fstr); 935: str_cat(str,") "); 936: str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg)); 937: str_free(fstr); 938: break; 939: case OFORIN: 940: tmpstr=walk(0,level,ops[node+2].ival,&numarg); 941: str = str_new(0); 942: str_sset(str,tmpstr); 943: str_cat(str,"[]"); 944: tmp2str = hfetch(symtab,str->str_ptr); 945: if (tmp2str && atoi(tmp2str->str_ptr)) { 946: maxtmp++; 947: fstr=walk(1,level,ops[node+1].ival,&numarg); 948: sprintf(tokenbuf, 949: "for ($T_%d = 1; ($%s = $%s[$T_%d]) || $T_%d <= $#%s; $T_%d++)%c", 950: maxtmp, 951: fstr->str_ptr, 952: tmpstr->str_ptr, 953: maxtmp, 954: maxtmp, 955: tmpstr->str_ptr, 956: maxtmp, 957: 0377); 958: str_set(str,tokenbuf); 959: str_free(fstr); 960: str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg)); 961: str_free(fstr); 962: } 963: else { 964: str_set(str,"while (($junkkey,$"); 965: str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg)); 966: str_free(fstr); 967: str_cat(str,") = each("); 968: str_scat(str,tmpstr); 969: str_cat(str,")) "); 970: str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg)); 971: str_free(fstr); 972: } 973: str_free(tmpstr); 974: break; 975: case OBLOCK: 976: str = str_new(0); 977: str_set(str,"{"); 978: if (len == 2) { 979: str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg)); 980: str_free(fstr); 981: } 982: fixtab(str,++level); 983: str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg)); 984: str_free(fstr); 985: addsemi(str); 986: fixtab(str,--level); 987: str_cat(str,"}\n"); 988: tab(str,level); 989: break; 990: default: 991: def: 992: if (len) { 993: if (len > 5) 994: fatal("Garbage length in walk"); 995: str = walk(0,level,ops[node+1].ival,&numarg); 996: for (i = 2; i<= len; i++) { 997: str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg)); 998: str_free(fstr); 999: } 1000: } 1001: else { 1002: str = Nullstr; 1003: } 1004: break; 1005: } 1006: if (!str) 1007: str = str_new(0); 1008: *numericptr = numeric; 1009: #ifdef DEBUGGING 1010: if (debug & 4) { 1011: printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur); 1012: for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++) 1013: if (*t == '\n') 1014: printf("\\n"); 1015: else if (*t == '\t') 1016: printf("\\t"); 1017: else 1018: putchar(*t); 1019: putchar('\n'); 1020: } 1021: #endif 1022: return str; 1023: } 1024: 1025: tab(str,lvl) 1026: register STR *str; 1027: register int lvl; 1028: { 1029: while (lvl > 1) { 1030: str_cat(str,"\t"); 1031: lvl -= 2; 1032: } 1033: if (lvl) 1034: str_cat(str," "); 1035: } 1036: 1037: fixtab(str,lvl) 1038: register STR *str; 1039: register int lvl; 1040: { 1041: register char *s; 1042: 1043: /* strip trailing white space */ 1044: 1045: s = str->str_ptr+str->str_cur - 1; 1046: while (s >= str->str_ptr && (*s == ' ' || *s == '\t')) 1047: s--; 1048: s[1] = '\0'; 1049: str->str_cur = s + 1 - str->str_ptr; 1050: if (s >= str->str_ptr && *s != '\n') 1051: str_cat(str,"\n"); 1052: 1053: tab(str,lvl); 1054: } 1055: 1056: addsemi(str) 1057: register STR *str; 1058: { 1059: register char *s; 1060: 1061: s = str->str_ptr+str->str_cur - 1; 1062: while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n')) 1063: s--; 1064: if (s >= str->str_ptr && *s != ';' && *s != '}') 1065: str_cat(str,";"); 1066: } 1067: 1068: emit_split(str,level) 1069: register STR *str; 1070: int level; 1071: { 1072: register int i; 1073: 1074: if (split_to_array) 1075: str_cat(str,"@Fld"); 1076: else { 1077: str_cat(str,"("); 1078: for (i = 1; i < maxfld; i++) { 1079: if (i <= arymax) 1080: sprintf(tokenbuf,"$%s,",nameary[i]); 1081: else 1082: sprintf(tokenbuf,"$Fld%d,",i); 1083: str_cat(str,tokenbuf); 1084: } 1085: if (maxfld <= arymax) 1086: sprintf(tokenbuf,"$%s)",nameary[maxfld]); 1087: else 1088: sprintf(tokenbuf,"$Fld%d)",maxfld); 1089: str_cat(str,tokenbuf); 1090: } 1091: if (const_FS) { 1092: sprintf(tokenbuf," = split(/[%c\\n]/);\n",const_FS); 1093: str_cat(str,tokenbuf); 1094: } 1095: else if (saw_FS) 1096: str_cat(str," = split($FS);\n"); 1097: else 1098: str_cat(str," = split;\n"); 1099: tab(str,level); 1100: } 1101: 1102: prewalk(numit,level,node,numericptr) 1103: int numit; 1104: int level; 1105: register int node; 1106: int *numericptr; 1107: { 1108: register int len; 1109: register int type; 1110: register int i; 1111: char *t; 1112: char *d, *s; 1113: int numarg; 1114: int numeric = FALSE; 1115: 1116: if (!node) { 1117: *numericptr = 0; 1118: return 0; 1119: } 1120: type = ops[node].ival; 1121: len = type >> 8; 1122: type &= 255; 1123: switch (type) { 1124: case OPROG: 1125: prewalk(0,level,ops[node+1].ival,&numarg); 1126: if (ops[node+2].ival) { 1127: prewalk(0,level,ops[node+2].ival,&numarg); 1128: } 1129: ++level; 1130: prewalk(0,level,ops[node+3].ival,&numarg); 1131: --level; 1132: if (ops[node+3].ival) { 1133: prewalk(0,level,ops[node+4].ival,&numarg); 1134: } 1135: break; 1136: case OHUNKS: 1137: prewalk(0,level,ops[node+1].ival,&numarg); 1138: prewalk(0,level,ops[node+2].ival,&numarg); 1139: if (len == 3) { 1140: prewalk(0,level,ops[node+3].ival,&numarg); 1141: } 1142: break; 1143: case ORANGE: 1144: prewalk(1,level,ops[node+1].ival,&numarg); 1145: prewalk(1,level,ops[node+2].ival,&numarg); 1146: break; 1147: case OPAT: 1148: goto def; 1149: case OREGEX: 1150: prewalk(0,level,ops[node+1].ival,&numarg); 1151: break; 1152: case OHUNK: 1153: if (len == 1) { 1154: prewalk(0,level,ops[node+1].ival,&numarg); 1155: } 1156: else { 1157: i = prewalk(0,level,ops[node+1].ival,&numarg); 1158: if (i) { 1159: ++level; 1160: prewalk(0,level,ops[node+2].ival,&numarg); 1161: --level; 1162: } 1163: else { 1164: prewalk(0,level,ops[node+2].ival,&numarg); 1165: } 1166: } 1167: break; 1168: case OPPAREN: 1169: prewalk(0,level,ops[node+1].ival,&numarg); 1170: break; 1171: case OPANDAND: 1172: prewalk(0,level,ops[node+1].ival,&numarg); 1173: prewalk(0,level,ops[node+2].ival,&numarg); 1174: break; 1175: case OPOROR: 1176: prewalk(0,level,ops[node+1].ival,&numarg); 1177: prewalk(0,level,ops[node+2].ival,&numarg); 1178: break; 1179: case OPNOT: 1180: prewalk(0,level,ops[node+1].ival,&numarg); 1181: break; 1182: case OCPAREN: 1183: prewalk(0,level,ops[node+1].ival,&numarg); 1184: numeric |= numarg; 1185: break; 1186: case OCANDAND: 1187: prewalk(0,level,ops[node+1].ival,&numarg); 1188: numeric = 1; 1189: prewalk(0,level,ops[node+2].ival,&numarg); 1190: break; 1191: case OCOROR: 1192: prewalk(0,level,ops[node+1].ival,&numarg); 1193: numeric = 1; 1194: prewalk(0,level,ops[node+2].ival,&numarg); 1195: break; 1196: case OCNOT: 1197: prewalk(0,level,ops[node+1].ival,&numarg); 1198: numeric = 1; 1199: break; 1200: case ORELOP: 1201: prewalk(0,level,ops[node+2].ival,&numarg); 1202: numeric |= numarg; 1203: prewalk(0,level,ops[node+1].ival,&numarg); 1204: prewalk(0,level,ops[node+3].ival,&numarg); 1205: numeric |= numarg; 1206: numeric = 1; 1207: break; 1208: case ORPAREN: 1209: prewalk(0,level,ops[node+1].ival,&numarg); 1210: numeric |= numarg; 1211: break; 1212: case OMATCHOP: 1213: prewalk(0,level,ops[node+2].ival,&numarg); 1214: prewalk(0,level,ops[node+1].ival,&numarg); 1215: prewalk(0,level,ops[node+3].ival,&numarg); 1216: numeric = 1; 1217: break; 1218: case OMPAREN: 1219: prewalk(0,level,ops[node+1].ival,&numarg); 1220: numeric |= numarg; 1221: break; 1222: case OCONCAT: 1223: prewalk(0,level,ops[node+1].ival,&numarg); 1224: prewalk(0,level,ops[node+2].ival,&numarg); 1225: break; 1226: case OASSIGN: 1227: prewalk(0,level,ops[node+2].ival,&numarg); 1228: prewalk(0,level,ops[node+1].ival,&numarg); 1229: prewalk(0,level,ops[node+3].ival,&numarg); 1230: if (numarg || strlen(ops[ops[node+1].ival+1].cval) > 1) { 1231: numericize(ops[node+2].ival); 1232: if (!numarg) 1233: numericize(ops[node+3].ival); 1234: } 1235: numeric |= numarg; 1236: break; 1237: case OADD: 1238: prewalk(1,level,ops[node+1].ival,&numarg); 1239: prewalk(1,level,ops[node+2].ival,&numarg); 1240: numeric = 1; 1241: break; 1242: case OSUB: 1243: prewalk(1,level,ops[node+1].ival,&numarg); 1244: prewalk(1,level,ops[node+2].ival,&numarg); 1245: numeric = 1; 1246: break; 1247: case OMULT: 1248: prewalk(1,level,ops[node+1].ival,&numarg); 1249: prewalk(1,level,ops[node+2].ival,&numarg); 1250: numeric = 1; 1251: break; 1252: case ODIV: 1253: prewalk(1,level,ops[node+1].ival,&numarg); 1254: prewalk(1,level,ops[node+2].ival,&numarg); 1255: numeric = 1; 1256: break; 1257: case OMOD: 1258: prewalk(1,level,ops[node+1].ival,&numarg); 1259: prewalk(1,level,ops[node+2].ival,&numarg); 1260: numeric = 1; 1261: break; 1262: case OPOSTINCR: 1263: prewalk(1,level,ops[node+1].ival,&numarg); 1264: numeric = 1; 1265: break; 1266: case OPOSTDECR: 1267: prewalk(1,level,ops[node+1].ival,&numarg); 1268: numeric = 1; 1269: break; 1270: case OPREINCR: 1271: prewalk(1,level,ops[node+1].ival,&numarg); 1272: numeric = 1; 1273: break; 1274: case OPREDECR: 1275: prewalk(1,level,ops[node+1].ival,&numarg); 1276: numeric = 1; 1277: break; 1278: case OUMINUS: 1279: prewalk(1,level,ops[node+1].ival,&numarg); 1280: numeric = 1; 1281: break; 1282: case OUPLUS: 1283: prewalk(1,level,ops[node+1].ival,&numarg); 1284: numeric = 1; 1285: break; 1286: case OPAREN: 1287: prewalk(0,level,ops[node+1].ival,&numarg); 1288: numeric |= numarg; 1289: break; 1290: case OGETLINE: 1291: break; 1292: case OSPRINTF: 1293: prewalk(0,level,ops[node+1].ival,&numarg); 1294: break; 1295: case OSUBSTR: 1296: prewalk(0,level,ops[node+1].ival,&numarg); 1297: prewalk(1,level,ops[node+2].ival,&numarg); 1298: if (len == 3) { 1299: prewalk(1,level,ops[node+3].ival,&numarg); 1300: } 1301: break; 1302: case OSTRING: 1303: break; 1304: case OSPLIT: 1305: numeric = 1; 1306: prewalk(0,level,ops[node+2].ival,&numarg); 1307: if (len == 3) 1308: prewalk(0,level,ops[node+3].ival,&numarg); 1309: prewalk(0,level,ops[node+1].ival,&numarg); 1310: break; 1311: case OINDEX: 1312: prewalk(0,level,ops[node+1].ival,&numarg); 1313: prewalk(0,level,ops[node+2].ival,&numarg); 1314: numeric = 1; 1315: break; 1316: case ONUM: 1317: prewalk(0,level,ops[node+1].ival,&numarg); 1318: numeric = 1; 1319: break; 1320: case OSTR: 1321: prewalk(0,level,ops[node+1].ival,&numarg); 1322: break; 1323: case OVAR: 1324: prewalk(0,level,ops[node+1].ival,&numarg); 1325: if (len == 1) { 1326: if (numit) 1327: numericize(node); 1328: } 1329: else { 1330: prewalk(0,level,ops[node+2].ival,&numarg); 1331: } 1332: break; 1333: case OFLD: 1334: prewalk(0,level,ops[node+1].ival,&numarg); 1335: break; 1336: case OVFLD: 1337: i = ops[node+1].ival; 1338: prewalk(0,level,i,&numarg); 1339: break; 1340: case OJUNK: 1341: goto def; 1342: case OSNEWLINE: 1343: break; 1344: case ONEWLINE: 1345: break; 1346: case OSCOMMENT: 1347: break; 1348: case OCOMMENT: 1349: break; 1350: case OCOMMA: 1351: prewalk(0,level,ops[node+1].ival,&numarg); 1352: prewalk(0,level,ops[node+2].ival,&numarg); 1353: break; 1354: case OSEMICOLON: 1355: break; 1356: case OSTATES: 1357: prewalk(0,level,ops[node+1].ival,&numarg); 1358: prewalk(0,level,ops[node+2].ival,&numarg); 1359: break; 1360: case OSTATE: 1361: if (len >= 1) { 1362: prewalk(0,level,ops[node+1].ival,&numarg); 1363: if (len >= 2) { 1364: prewalk(0,level,ops[node+2].ival,&numarg); 1365: } 1366: } 1367: break; 1368: case OPRINTF: 1369: case OPRINT: 1370: if (len == 3) { /* output redirection */ 1371: prewalk(0,level,ops[node+3].ival,&numarg); 1372: prewalk(0,level,ops[node+2].ival,&numarg); 1373: } 1374: prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg); 1375: break; 1376: case OLENGTH: 1377: goto maybe0; 1378: case OLOG: 1379: goto maybe0; 1380: case OEXP: 1381: goto maybe0; 1382: case OSQRT: 1383: goto maybe0; 1384: case OINT: 1385: maybe0: 1386: numeric = 1; 1387: if (len > 0) 1388: prewalk(type != OLENGTH,level,ops[node+1].ival,&numarg); 1389: break; 1390: case OBREAK: 1391: break; 1392: case ONEXT: 1393: break; 1394: case OEXIT: 1395: if (len == 1) { 1396: prewalk(1,level,ops[node+1].ival,&numarg); 1397: } 1398: break; 1399: case OCONTINUE: 1400: break; 1401: case OREDIR: 1402: goto def; 1403: case OIF: 1404: prewalk(0,level,ops[node+1].ival,&numarg); 1405: prewalk(0,level,ops[node+2].ival,&numarg); 1406: if (len == 3) { 1407: prewalk(0,level,ops[node+3].ival,&numarg); 1408: } 1409: break; 1410: case OWHILE: 1411: prewalk(0,level,ops[node+1].ival,&numarg); 1412: prewalk(0,level,ops[node+2].ival,&numarg); 1413: break; 1414: case OFOR: 1415: prewalk(0,level,ops[node+1].ival,&numarg); 1416: prewalk(0,level,ops[node+2].ival,&numarg); 1417: prewalk(0,level,ops[node+3].ival,&numarg); 1418: prewalk(0,level,ops[node+4].ival,&numarg); 1419: break; 1420: case OFORIN: 1421: prewalk(0,level,ops[node+2].ival,&numarg); 1422: prewalk(0,level,ops[node+1].ival,&numarg); 1423: prewalk(0,level,ops[node+3].ival,&numarg); 1424: break; 1425: case OBLOCK: 1426: if (len == 2) { 1427: prewalk(0,level,ops[node+2].ival,&numarg); 1428: } 1429: ++level; 1430: prewalk(0,level,ops[node+1].ival,&numarg); 1431: --level; 1432: break; 1433: default: 1434: def: 1435: if (len) { 1436: if (len > 5) 1437: fatal("Garbage length in prewalk"); 1438: prewalk(0,level,ops[node+1].ival,&numarg); 1439: for (i = 2; i<= len; i++) { 1440: prewalk(0,level,ops[node+i].ival,&numarg); 1441: } 1442: } 1443: break; 1444: } 1445: *numericptr = numeric; 1446: return 1; 1447: } 1448: 1449: numericize(node) 1450: register int node; 1451: { 1452: register int len; 1453: register int type; 1454: register int i; 1455: STR *tmpstr; 1456: STR *tmp2str; 1457: int numarg; 1458: 1459: type = ops[node].ival; 1460: len = type >> 8; 1461: type &= 255; 1462: if (type == OVAR && len == 1) { 1463: tmpstr=walk(0,0,ops[node+1].ival,&numarg); 1464: tmp2str = str_make("1"); 1465: hstore(symtab,tmpstr->str_ptr,tmp2str); 1466: } 1467: }
Defined functions
walk
defined in line 21; used 109 times
- in line 50, 85, 115, 123, 153-157(3), 164-166(2), 174, 196-203(3), 210, 217, 224-237(5), 243, 249, 255-265(4), 271-279(4), 318, 324-326(2), 334, 341, 347-355(4), 361, 368-408(12), 415, 422, 429, 439, 458, 465-472(3), 486, 494, 516, 527-530(2), 536-540(2), 556, 579, 595-600(2), 614, 634, 643, 651-653(2), 661-662(2), 668-671(2), 684-685(2), 744, 792, 847, 855, 871-874(2), 891-896(2), 904-907(2), 913, 924, 933-940(3), 947, 960-970(3), 979-983(2), 995-997(2), 1463
- in /usr/src/new/PORT/perl.1.0.10/x2p/a2py.c line 25, 118, 860
Defined variables
|
Last modified: 1988-02-03
Generated: 2016-12-26 |
Generated by src2html V0.67
page hit count: 6753 |
|