X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=perly.c;h=0feca48bed5e83105f9d949b4cd7768456ba7678;hb=2c15bef39460c09b2a7846a30a4fc1fc1c4f93e4;hp=641971b401e42571bce09b021d7caa4e10f8fe67;hpb=36ce8bec6e5bbc05c8d60ee17f105fc8b751cada;p=p5sagit%2Fp5-mst-13.2.git diff --git a/perly.c b/perly.c index 641971b..0feca48 100644 --- a/perly.c +++ b/perly.c @@ -1,2463 +1,2393 @@ -char rcsid[] = "$Header: perly.c,v 1.0.1.1 88/01/21 21:25:57 root Exp $"; -/* - * $Log: perly.c,v $ - * Revision 1.0.1.1 88/01/21 21:25:57 root - * Now uses CPP and CPPMINUS symbols from config.h. - * - * Revision 1.0 87/12/18 15:53:31 root - * Initial revision - * - */ - -bool preprocess = FALSE; -bool assume_n = FALSE; -bool assume_p = FALSE; -bool doswitches = FALSE; -char *filename; -char *e_tmpname = "/tmp/perl-eXXXXXX"; -FILE *e_fp = Nullfp; -ARG *l(); - -main(argc,argv,env) -register int argc; -register char **argv; -register char **env; -{ - register STR *str; - register char *s; - char *index(); - - linestr = str_new(80); - str = str_make("-I/usr/lib/perl "); /* first used for -I flags */ - for (argc--,argv++; argc; argc--,argv++) { - if (argv[0][0] != '-' || !argv[0][1]) - break; - reswitch: - switch (argv[0][1]) { -#ifdef DEBUGGING - case 'D': - debug = atoi(argv[0]+2); -#ifdef YYDEBUG - yydebug = (debug & 1); +#ifndef lint +static char yysccsid[] = "@(#)yaccpar 1.8 (Berkeley) 01/20/91"; #endif - break; +#define YYBYACC 1 +#line 16 "perly.y" +#include "EXTERN.h" +#define PERL_IN_PERLY_C +#include "perl.h" + +#define yydebug PL_yydebug +#define yynerrs PL_yynerrs +#define yyerrflag PL_yyerrflag +#define yychar PL_yychar +#define yyval PL_yyval +#define yylval PL_yylval + +#define dep() deprecate("\"do\" to call subroutines") + +static void yydestruct(pTHXo_ void *ptr); + +#line 30 "perly.y" +#define YYERRCODE 256 +static short yylhs[] = { -1, + 45, 0, 9, 7, 10, 8, 11, 11, 11, 12, + 12, 12, 12, 24, 24, 24, 24, 24, 24, 24, + 15, 15, 15, 14, 14, 42, 42, 13, 13, 13, + 13, 13, 13, 13, 26, 26, 27, 27, 28, 29, + 30, 31, 32, 44, 44, 1, 1, 1, 1, 3, + 38, 38, 46, 4, 5, 6, 39, 40, 40, 41, + 41, 47, 47, 49, 48, 16, 16, 16, 25, 25, + 25, 36, 36, 36, 36, 36, 36, 36, 36, 50, + 36, 37, 37, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 33, + 33, 34, 34, 34, 2, 2, 43, 23, 18, 19, + 20, 21, 22, 35, 35, 35, 35, +}; +static short yylen[] = { 2, + 0, 2, 4, 0, 4, 0, 0, 2, 2, 2, + 1, 2, 3, 1, 1, 3, 3, 3, 3, 3, + 0, 2, 6, 7, 7, 0, 2, 8, 8, 10, + 9, 8, 11, 3, 0, 1, 0, 1, 1, 1, + 1, 1, 1, 0, 1, 1, 1, 1, 1, 4, + 1, 0, 5, 0, 0, 0, 1, 0, 1, 1, + 1, 3, 2, 0, 7, 3, 3, 1, 2, 3, + 1, 3, 5, 6, 3, 3, 5, 2, 4, 0, + 5, 1, 1, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 5, 3, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, + 2, 4, 3, 4, 1, 5, 1, 4, 5, 4, + 1, 1, 1, 5, 6, 5, 6, 5, 4, 5, + 1, 1, 3, 4, 3, 2, 2, 4, 5, 4, + 5, 4, 5, 1, 2, 2, 1, 2, 2, 2, + 1, 3, 1, 3, 4, 4, 6, 1, 1, 0, + 1, 0, 1, 2, 1, 1, 1, 2, 2, 2, + 2, 2, 2, 1, 1, 1, 1, +}; +static short yydefred[] = { 1, + 0, 7, 0, 45, 56, 54, 0, 54, 8, 46, + 9, 11, 0, 47, 48, 49, 0, 0, 0, 63, + 64, 14, 4, 158, 0, 0, 131, 0, 153, 0, + 55, 55, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 165, 166, 0, + 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, + 0, 0, 121, 123, 0, 0, 0, 0, 159, 51, + 0, 57, 0, 62, 0, 7, 174, 177, 176, 175, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, + 4, 4, 0, 0, 0, 0, 0, 148, 0, 0, + 0, 0, 78, 0, 172, 0, 137, 0, 0, 0, + 0, 0, 168, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 111, 0, 169, 170, 171, 173, 0, + 0, 34, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 103, 104, 0, 0, 0, 0, + 0, 0, 0, 0, 13, 0, 50, 59, 0, 0, + 0, 76, 0, 0, 80, 0, 0, 0, 0, 0, + 0, 0, 4, 152, 154, 0, 0, 0, 0, 0, + 0, 0, 113, 0, 135, 0, 0, 110, 27, 0, + 0, 19, 0, 0, 0, 0, 66, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 82, 0, 0, 83, 0, 0, 0, + 0, 0, 0, 0, 133, 0, 0, 61, 60, 53, + 0, 3, 0, 156, 0, 0, 114, 0, 42, 0, + 43, 0, 0, 0, 0, 167, 0, 0, 36, 41, + 0, 0, 0, 155, 164, 79, 0, 138, 0, 140, + 0, 112, 0, 0, 0, 0, 0, 142, 0, 0, + 0, 120, 0, 118, 0, 129, 0, 134, 0, 77, + 0, 81, 0, 0, 0, 0, 0, 0, 0, 0, + 73, 139, 141, 128, 0, 126, 0, 0, 143, 119, + 0, 124, 130, 116, 65, 157, 6, 0, 0, 0, + 0, 0, 0, 0, 0, 127, 125, 74, 7, 28, + 29, 0, 0, 24, 25, 0, 32, 0, 0, 0, + 22, 0, 0, 0, 31, 5, 0, 30, 0, 0, + 33, 0, 23, +}; +static short yydgoto[] = { 1, + 9, 66, 10, 18, 95, 17, 86, 339, 89, 328, + 3, 11, 12, 68, 344, 263, 70, 71, 72, 73, + 74, 75, 76, 269, 78, 270, 259, 261, 264, 272, + 260, 262, 113, 198, 91, 79, 238, 81, 83, 179, + 250, 142, 267, 13, 2, 14, 15, 16, 85, 256, +}; +static short yysindex[] = { 0, + 0, 0, -66, 0, 0, 0, -48, 0, 0, 0, + 0, 0, 645, 0, 0, 0, -232, -227, -27, 0, + 0, 0, 0, 0, -23, -23, 0, -6, 0, 2099, + 0, 0, 13, 20, 24, 25, -34, 2099, 27, 28, + 29, 1021, 965, -23, 1084, 1348, -217, 0, 0, -23, + 2099, 2099, 2099, 2099, 2099, 2099, 1404, 0, 2099, 2099, + 1460, -23, -23, -23, -23, 2099, -206, 0, 335, 3925, + -73, -68, 0, 0, -47, 40, 32, 61, 0, 0, + -39, 0, -157, 0, -145, 0, 0, 0, 0, 0, + 2099, 73, 2099, 825, -39, -157, 0, 0, 0, 0, + 0, 0, 75, 3925, 78, 1519, 965, 0, 825, 0, + -73, 61, 0, 2099, 0, 77, 0, 825, -16, -9, + -51, 2099, 0, 61, 87, 87, 87, -86, -86, 33, + -40, 87, 87, 0, -81, 0, 0, 0, 0, 825, + -39, 0, 2099, 2099, 2099, 2099, 2099, 2099, 2099, 2099, + 2099, 2099, 2099, 2099, 2099, 2099, 2099, 2099, 2099, 2099, + 2099, 2099, 2099, 2099, 0, 0, 30, 2099, 2099, 2099, + 2099, 2099, 2099, 1694, 0, 2099, 0, 0, -49, -118, + 189, 0, 2099, 353, 0, -39, 2099, 2099, 2099, 2099, + 104, 1753, 0, 0, 0, -24, 8, 85, 2099, 61, + 1809, 1865, 0, 23, 0, 2099, 54, 0, 0, -269, + -269, 0, -269, -269, -269, -151, 0, -43, 1121, 825, + 673, 50, 363, 3925, 1233, 3757, 4023, 2308, 266, -82, + 87, 87, 2099, 0, 1928, 2099, 0, 111, 51, 12, + 76, 14, 90, 39, 0, -22, 3925, 0, 0, 0, + 2099, 0, 121, 0, 2099, 2099, 0, -269, 0, 124, + 0, 125, -269, 126, 130, 0, 112, 335, 0, 0, + 131, 136, 2099, 0, 0, 0, -14, 0, 1, 0, + 4, 0, 133, 2099, 55, 2099, 49, 0, 6, 197, + 2099, 0, 89, 0, 94, 0, 100, 0, 144, 0, + 1175, 0, 92, 92, 92, 92, 2099, 92, 2099, 171, + 0, 0, 0, 0, 202, 0, 3963, 108, 0, 0, + 188, 0, 0, 0, 0, 0, 0, -206, -206, -238, + -238, 199, -206, 211, 92, 0, 0, 0, 0, 0, + 0, 92, 241, 0, 0, 92, 0, 1753, -206, 326, + 0, 2099, -206, 256, 0, 0, 259, 0, 92, 92, + 0, -238, 0, +}; +static short yyrindex[] = { 0, + 0, 0, 249, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 184, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 2273, 426, 0, + 0, 2909, 2959, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 59, 0, -10, 2776, + 3024, 3069, 0, 0, 2376, 2140, 0, 200, 0, 0, + 0, 0, -44, 0, 0, 0, 0, 0, 0, 0, + 2421, 0, 0, 105, 0, 198, 0, 0, 0, 0, + 0, 0, 0, 3183, 0, 0, 319, 0, 3681, 525, + 586, 2509, 0, 0, 0, 2185, 0, 3731, 3024, 0, + 0, 2421, 0, 2552, 3195, 3260, 3305, -37, 3112, 2657, + 0, 3348, 3384, 0, 0, 0, 0, 0, 0, 3777, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 2707, 0, 0, 0, 0, + 909, 0, 319, 0, 0, 0, 320, 0, 0, 0, + 0, 306, 0, 0, 0, 0, 325, 0, 0, 2788, + 0, 0, 0, 0, 0, 0, 2833, 0, 0, -5, + 22, 0, 68, 69, 70, 702, 0, 0, 2464, 1296, + 1560, 3541, 3584, 3868, 0, 3856, 3820, 3810, 1616, 3620, + 3431, 3479, 0, 0, 0, 0, 0, 2228, 0, 0, + 0, 0, 0, 0, 0, 0, 3899, 0, 0, 0, + 309, 0, 0, 0, 0, 2421, 0, 79, 0, 0, + 0, 0, 330, 0, 0, 0, 0, 84, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 319, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 317, 0, + 0, 0, 0, 0, 0, 0, 1982, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 59, 59, 154, + 154, 0, 59, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 340, 59, 909, + 0, 0, 59, 0, 0, 0, 0, 0, 0, 0, + 0, 154, 0, +}; +static short yygindex[] = { 0, + 0, 0, 0, 374, 351, 0, -12, 0, 946, 413, + -83, 0, 0, 0, -311, -13, 4139, 4198, 0, 0, + 0, 0, 0, 372, -8, 0, 0, 246, -131, 43, + 86, 208, -45, -169, 987, 0, 0, 0, 0, 308, + 0, -271, 0, 0, 0, 0, 0, 0, 0, 0, +}; +#define YYTABLESIZE 4425 +static short yytable[] = { 69, + 207, 62, 181, 105, 168, 102, 105, 204, 168, 248, + 20, 208, 62, 253, 58, 285, 274, 170, 298, 345, + 105, 105, 172, 202, 80, 105, 311, 148, 149, 82, + 15, 84, 121, 93, 112, 18, 150, 342, 343, 122, + 150, 312, 124, 131, 313, 182, 319, 135, 15, 169, + 363, 275, 97, 18, 171, 105, 340, 341, 26, 98, + 271, 347, 39, 99, 100, 62, 105, 106, 107, 235, + 293, 141, 295, 23, 170, 173, 205, 355, 58, 174, + 39, 358, 112, 23, 187, 188, 189, 190, 191, 192, + 175, 26, 196, 197, 26, 26, 26, 297, 26, 23, + 26, 26, 178, 26, 176, 200, 169, 318, 16, 17, + 20, 180, 183, 112, 193, 203, 201, 26, 194, 38, + 236, 321, 26, 206, 40, 276, 16, 17, 20, 210, + 211, 213, 214, 215, 216, 217, 218, 38, 251, 62, + 168, 310, 15, 292, 284, 150, 149, 282, 150, 26, + 291, 307, 233, 21, 239, 240, 241, 242, 243, 244, + 246, 300, 150, 150, 303, 304, 305, 150, 294, 197, + 306, 308, 150, 258, 211, 332, 211, 168, 268, 316, + 273, 26, 296, 26, 26, 277, 21, 279, 281, 21, + 21, 21, 283, 21, 309, 21, 21, 150, 21, 4, + 5, 6, 325, 7, 8, 299, 154, 155, 19, 150, + 302, 335, 21, 322, 327, 148, 149, 21, 323, 287, + 357, 289, 290, 163, 324, 314, 164, 167, 338, 165, + 166, 167, 337, 87, 105, 105, 105, 105, 88, 346, + 68, 105, 112, 105, 21, 148, 149, 112, 2, 105, + 105, 105, 105, 148, 149, 350, 148, 149, 68, 105, + 105, 101, 105, 105, 105, 105, 105, 105, 105, 348, + 315, 105, 148, 149, 148, 149, 21, 197, 21, 21, + 352, 44, 148, 149, 44, 44, 44, 234, 44, 320, + 44, 44, 68, 44, 336, 258, 359, 148, 149, 360, + 148, 149, 148, 149, 148, 149, 52, 44, 148, 149, + 148, 149, 44, 252, 26, 26, 26, 26, 26, 26, + 58, 26, 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 69, 148, 149, 26, 26, 44, + 26, 26, 26, 26, 26, 148, 149, 148, 149, 26, + 26, 26, 26, 26, 26, 163, 168, 26, 164, 162, + 37, 165, 166, 167, 35, 163, 26, 160, 26, 26, + 40, 44, 148, 149, 44, 37, 150, 150, 150, 150, + 35, 21, 96, 150, 77, 150, 148, 149, 150, 212, + 354, 150, 150, 254, 334, 164, 255, 265, 165, 166, + 167, 150, 150, 186, 150, 150, 150, 150, 150, 21, + 21, 21, 21, 21, 21, 157, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, 21, 148, + 149, 0, 21, 21, 0, 21, 21, 21, 21, 21, + 0, 0, 0, 168, 21, 21, 21, 21, 21, 21, + 356, 0, 21, 168, 4, 5, 6, 0, 7, 8, + 0, 21, 0, 21, 21, 0, 151, 0, 0, 151, + 0, 68, 68, 68, 68, 150, 0, 0, 68, 0, + 0, 0, 0, 151, 151, 150, 0, 0, 151, 0, + 0, 0, 0, 148, 149, 0, 68, 68, 148, 149, + 0, 0, 0, 0, 44, 44, 44, 44, 44, 44, + 0, 44, 44, 44, 0, 0, 151, 44, 151, 0, + 44, 44, 44, 44, 0, 0, 0, 44, 44, 0, + 44, 44, 44, 44, 44, 0, 0, 0, 0, 44, + 44, 44, 44, 44, 44, 0, 0, 44, 151, 0, + 0, 0, 152, 153, 154, 155, 44, 174, 44, 44, + 174, 174, 174, 0, 174, 158, 174, 174, 158, 174, + 162, 163, 0, 0, 164, 0, 0, 165, 166, 167, + 0, 0, 158, 158, 0, 0, 0, 158, 174, 0, + 0, 4, 5, 6, 0, 7, 8, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 143, 144, 145, 146, + 0, 0, 0, 147, 0, 158, 0, 158, 175, 0, + 0, 175, 175, 175, 0, 175, 115, 175, 175, 115, + 175, 148, 149, 151, 0, 0, 0, 0, 0, 152, + 153, 154, 155, 115, 115, 0, 0, 158, 115, 175, + 174, 154, 156, 158, 159, 160, 161, 162, 163, 0, + 0, 164, 0, 0, 165, 166, 167, 0, 163, 0, + 0, 164, 0, 0, 165, 166, 167, 52, 115, 0, + 62, 64, 50, 0, 57, 0, 65, 60, 0, 59, + 0, 0, 0, 0, 0, 0, 0, 151, 151, 151, + 151, 0, 0, 58, 151, 0, 151, 0, 63, 0, + 0, 175, 151, 151, 151, 151, 329, 330, 331, 0, + 333, 0, 151, 151, 0, 151, 151, 151, 151, 151, + 151, 151, 0, 0, 151, 61, 0, 151, 151, 151, + 0, 0, 67, 0, 0, 67, 0, 349, 0, 0, + 0, 0, 0, 0, 351, 0, 0, 0, 353, 0, + 67, 0, 0, 168, 0, 0, 0, 23, 0, 0, + 53, 361, 362, 0, 0, 0, 0, 0, 0, 0, + 0, 174, 174, 174, 174, 174, 0, 174, 174, 174, + 0, 0, 0, 174, 67, 150, 158, 158, 158, 158, + 0, 0, 0, 158, 174, 158, 174, 174, 174, 174, + 174, 158, 158, 158, 158, 174, 174, 174, 174, 174, + 174, 158, 158, 174, 158, 158, 158, 158, 158, 158, + 158, 0, 174, 158, 174, 174, 158, 158, 158, 0, + 0, 0, 175, 175, 175, 175, 175, 0, 175, 175, + 175, 0, 0, 0, 175, 0, 0, 115, 115, 115, + 115, 0, 0, 0, 115, 175, 115, 175, 175, 175, + 175, 175, 115, 115, 115, 115, 175, 175, 175, 175, + 175, 175, 115, 115, 175, 115, 115, 115, 115, 115, + 115, 115, 0, 175, 115, 175, 175, 115, 115, 115, + 22, 24, 25, 26, 27, 28, 0, 29, 30, 31, + 0, 0, 0, 32, 0, 168, 33, 34, 35, 36, + 0, 0, 0, 37, 38, 0, 39, 40, 41, 42, + 43, 0, 0, 0, 0, 44, 45, 46, 47, 48, + 49, 44, 0, 51, 44, 44, 44, 150, 44, 0, + 44, 44, 54, 44, 55, 56, 0, 0, 67, 152, + 0, 154, 155, 0, 0, 0, 0, 44, 0, 0, + 0, 0, 44, 67, 67, 67, 67, 162, 163, 0, + 67, 164, 0, 0, 165, 166, 167, 108, 0, 0, + 117, 0, 0, 0, 0, 0, 0, 52, 67, 44, + 62, 64, 50, 0, 57, 0, 65, 60, 0, 59, + 0, 0, 92, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 177, 0, 63, 114, + 115, 44, 0, 0, 44, 0, 123, 0, 0, 0, + 185, 0, 0, 0, 0, 0, 0, 0, 136, 137, + 138, 139, 0, 52, 0, 61, 62, 64, 50, 0, + 57, 0, 65, 60, 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86, 102, 102, 102, 102, 102, 102, + 102, 0, 0, 0, 0, 0, 0, 0, 0, 98, + 98, 98, 98, 0, 87, 0, 98, 87, 98, 0, + 0, 0, 0, 86, 98, 98, 98, 98, 0, 0, + 0, 87, 87, 0, 98, 98, 87, 98, 98, 98, + 98, 98, 98, 98, 0, 99, 99, 99, 99, 0, + 88, 0, 99, 88, 99, 0, 0, 0, 0, 0, + 99, 99, 99, 99, 0, 0, 87, 88, 88, 0, + 99, 99, 88, 99, 99, 99, 99, 99, 99, 99, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 97, 97, 97, 97, 0, 0, 0, 97, + 0, 97, 88, 0, 0, 0, 0, 97, 97, 97, + 97, 149, 0, 0, 149, 0, 0, 97, 97, 0, + 97, 97, 97, 97, 97, 97, 97, 0, 149, 149, + 0, 0, 0, 149, 0, 0, 0, 0, 0, 0, + 85, 85, 85, 85, 0, 0, 0, 85, 0, 85, + 0, 0, 0, 0, 0, 85, 85, 85, 85, 0, + 0, 136, 0, 149, 136, 85, 85, 0, 85, 85, + 85, 85, 85, 85, 85, 0, 0, 0, 136, 136, + 0, 0, 0, 136, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 86, 86, 86, 86, 0, 107, 0, 86, + 107, 86, 0, 136, 0, 0, 0, 86, 86, 86, + 86, 0, 0, 0, 107, 107, 0, 86, 86, 107, + 86, 86, 86, 86, 86, 86, 0, 168, 0, 0, + 92, 0, 0, 92, 0, 87, 87, 87, 87, 0, + 94, 0, 87, 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44, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 297, 298, -1, 300, 58, 59, -1, -1, -1, 63, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 123, + 272, 273, 274, 275, -1, -1, -1, 279, -1, 281, + -1, -1, -1, -1, -1, 287, 288, 289, 290, 93, + -1, -1, -1, -1, -1, 297, 298, -1, 300, 301, + 302, 303, 304, 305, 306, -1, 41, 309, -1, 44, + 312, 313, 314, 272, 273, 274, 275, -1, 41, 123, + 279, -1, 281, 58, 59, -1, -1, -1, 287, 288, + 289, 290, -1, -1, -1, 58, 59, -1, 297, 298, + 63, 300, 301, 302, 303, 304, 305, 306, -1, -1, + 309, -1, -1, 312, 313, 314, -1, -1, 93, -1, + -1, -1, -1, 41, -1, -1, 44, -1, 91, -1, + 93, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 58, 59, -1, -1, -1, 63, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 123, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 93, -1, -1, 272, 273, + 274, 275, -1, -1, -1, 279, -1, 281, -1, -1, + -1, -1, -1, 287, 288, 289, 290, -1, -1, 41, + -1, -1, 44, 297, 298, 123, 300, 301, 302, 303, + 304, 305, 306, -1, -1, 309, 58, 59, 312, 313, + 314, 63, -1, -1, -1, -1, -1, -1, 272, 273, + 274, 275, -1, -1, -1, 279, -1, 281, -1, -1, + -1, -1, -1, 287, 288, 289, 290, -1, -1, 41, + -1, 93, 44, 297, 298, -1, 300, 301, 302, 303, + 304, 305, 306, -1, -1, 309, 58, 59, 312, 313, + 314, 63, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 272, 273, 274, + 275, 93, -1, -1, 279, -1, -1, -1, -1, 272, + 273, 274, 275, -1, 41, -1, 279, 44, 281, -1, + -1, -1, 297, 298, 287, 288, 289, 290, -1, -1, + -1, 58, 59, -1, 297, 298, 63, 300, 301, 302, + 303, 304, 305, 306, -1, -1, 309, -1, -1, 312, + 313, 314, -1, -1, 272, 273, 274, 275, -1, 41, + -1, 279, 44, 281, -1, -1, 93, -1, -1, 287, + 288, 289, 290, -1, -1, -1, 58, 59, -1, 297, + 298, 63, 300, 301, 302, 303, 304, 305, 306, -1, + -1, 309, -1, -1, 312, 313, 314, -1, -1, -1, + -1, -1, 41, -1, -1, 44, -1, -1, -1, -1, + -1, 93, -1, -1, -1, -1, -1, -1, -1, 58, + 59, -1, -1, -1, 63, -1, -1, -1, -1, -1, + 272, 273, 274, 275, -1, -1, -1, 279, -1, 281, + -1, -1, -1, -1, -1, 287, 288, 289, 290, -1, + -1, -1, -1, -1, 93, 297, 298, -1, 300, 301, + 302, 303, 304, 305, 306, -1, -1, 309, -1, -1, + 312, 313, 314, 41, -1, -1, 44, -1, -1, -1, + 272, 273, 274, 275, -1, 41, -1, 279, 44, 281, + 58, 59, -1, -1, -1, 287, 288, 289, 290, -1, + -1, -1, 58, 59, -1, 297, 298, 63, 300, 301, + 302, 303, 304, 305, 306, -1, -1, 309, -1, -1, + 312, 313, 314, -1, -1, 93, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 93, -1, -1, + -1, -1, -1, -1, -1, 272, 273, 274, 275, -1, + 41, -1, 279, 44, 281, -1, -1, -1, -1, -1, + 287, 288, 289, 290, -1, -1, -1, 58, 59, -1, + 297, 298, 63, 300, 301, 302, 303, 304, 305, 306, + -1, -1, 309, -1, -1, 312, 313, 314, -1, -1, + 272, 273, 274, 275, -1, 41, -1, 279, 44, 281, + -1, -1, 93, -1, -1, 287, 288, 289, 290, -1, + -1, -1, 58, 59, -1, 297, 298, 63, 300, 301, + 302, 303, 304, 305, 306, -1, -1, 309, -1, -1, + 312, 313, 314, 272, 273, 274, 275, -1, 41, -1, + 279, 44, 281, -1, -1, -1, -1, 93, 287, 288, + 289, 290, -1, -1, -1, 58, 59, -1, 297, 298, + 63, 300, 301, 302, 303, 304, 305, 306, -1, -1, + 309, -1, -1, -1, 41, -1, -1, 44, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 93, 58, 59, -1, -1, -1, 63, -1, -1, -1, + -1, -1, -1, -1, 272, 273, 274, 275, -1, -1, + -1, 279, -1, -1, -1, -1, 272, 273, 274, 275, + -1, 41, -1, 279, 44, 281, 93, -1, -1, 297, + 298, 287, 288, 289, 290, -1, -1, -1, 58, 59, + -1, 297, 298, 63, 300, 301, 302, 303, 304, 305, + 306, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 41, + -1, -1, 44, 93, -1, -1, -1, -1, -1, -1, + -1, 272, 273, 274, 275, -1, 58, 59, 279, -1, + 281, 63, -1, -1, -1, -1, 287, 288, 289, 290, + -1, -1, -1, -1, -1, -1, 297, 298, -1, 300, + 301, 302, 303, 304, 305, 306, -1, -1, -1, -1, + -1, 93, -1, -1, -1, -1, 272, 273, 274, 275, + -1, 41, -1, 279, 44, 281, -1, -1, -1, -1, + -1, 287, 288, 289, 290, -1, -1, -1, 58, 59, + -1, 297, 298, 63, 300, 301, 302, 303, 304, 305, + 306, -1, -1, -1, -1, -1, -1, -1, -1, 272, + 273, 274, 275, -1, 41, -1, 279, 44, 281, -1, + -1, -1, -1, 93, 287, 288, 289, 290, -1, -1, + -1, 58, 59, -1, 297, 298, 63, 300, 301, 302, + 303, 304, 305, 306, -1, 272, 273, 274, 275, -1, + 41, -1, 279, 44, 281, -1, -1, -1, -1, -1, + 287, 288, 289, 290, -1, -1, 93, 58, 59, -1, + 297, 298, 63, 300, 301, 302, 303, 304, 305, 306, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 272, 273, 274, 275, -1, -1, -1, 279, + -1, 281, 93, -1, -1, -1, -1, 287, 288, 289, + 290, 41, -1, -1, 44, -1, -1, 297, 298, -1, + 300, 301, 302, 303, 304, 305, 306, -1, 58, 59, + -1, -1, -1, 63, -1, -1, -1, -1, -1, -1, + 272, 273, 274, 275, -1, -1, -1, 279, -1, 281, + -1, -1, -1, -1, -1, 287, 288, 289, 290, -1, + -1, 41, -1, 93, 44, 297, 298, -1, 300, 301, + 302, 303, 304, 305, 306, -1, -1, -1, 58, 59, + -1, -1, -1, 63, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 272, 273, 274, 275, -1, 41, -1, 279, + 44, 281, -1, 93, -1, -1, -1, 287, 288, 289, + 290, -1, -1, -1, 58, 59, -1, 297, 298, 63, + 300, 301, 302, 303, 304, 305, -1, 91, -1, -1, + 41, -1, -1, 44, -1, 272, 273, 274, 275, -1, + 41, -1, 279, 44, 281, -1, -1, 58, 59, 93, + 287, 288, 63, 290, -1, -1, -1, 58, 59, 123, + 297, 298, 63, 300, 301, 302, 303, 304, 305, -1, + -1, 272, 273, 274, 275, -1, 41, -1, 279, 44, + 281, -1, 93, -1, -1, -1, 287, 288, 41, -1, + -1, 44, 93, 58, 59, -1, 297, 298, 63, 300, + 301, 302, 303, 304, 305, 58, 59, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 41, + -1, -1, 44, -1, -1, -1, -1, -1, 93, -1, + -1, -1, 272, 273, 274, 275, 58, 59, -1, 279, + 93, 281, -1, -1, -1, -1, -1, 287, 288, -1, + -1, -1, -1, -1, -1, -1, -1, 297, 298, -1, + 300, 301, 302, 303, 304, -1, -1, 63, -1, -1, + -1, 93, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 272, 273, 274, 275, -1, -1, -1, 279, + -1, 281, -1, -1, -1, 91, -1, 287, 288, -1, + -1, -1, -1, -1, -1, 63, -1, 297, 298, -1, + 300, 301, 302, 303, 304, -1, -1, -1, -1, -1, + -1, -1, -1, 287, 288, 289, 290, 123, 272, 273, + 274, 275, -1, 91, -1, 279, -1, 281, 302, 303, + 304, 305, 306, 287, 288, 309, -1, -1, 312, 313, + 314, -1, -1, 297, 298, -1, 300, 301, 302, 303, + 304, 272, 273, 274, 275, 123, -1, -1, 279, -1, + 281, 272, 273, 274, 275, -1, -1, -1, 279, -1, + 281, -1, -1, -1, -1, -1, 297, 298, -1, 300, + 301, 302, 303, 91, -1, -1, 297, 298, -1, 300, + 301, 302, -1, -1, -1, -1, -1, 272, 273, 274, + 275, -1, -1, -1, 279, -1, 281, -1, -1, 272, + 273, 274, 275, -1, -1, 123, 279, -1, -1, -1, + -1, -1, 297, 298, -1, 300, 301, -1, -1, -1, + -1, -1, -1, -1, 297, 298, -1, -1, 30, -1, + 272, 273, 274, 275, -1, -1, 38, 279, -1, -1, + 42, -1, -1, 45, -1, -1, -1, -1, -1, -1, + 52, 53, 54, 55, 56, 297, 298, 59, 60, -1, + -1, -1, -1, -1, 66, 281, -1, -1, -1, -1, + -1, 287, 288, 289, 290, -1, -1, -1, -1, -1, + -1, -1, 25, 26, 300, 301, 302, 303, 304, 305, + 306, 93, -1, 309, 37, -1, 312, 313, 314, -1, + 43, 44, 45, 281, -1, -1, -1, 50, -1, 287, + 288, 289, 290, -1, -1, -1, -1, -1, -1, 62, + 63, 64, 65, 301, 302, 303, 304, 305, 306, -1, + -1, 309, -1, -1, 312, 313, 314, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 151, + 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, + 162, 163, 164, -1, 107, -1, -1, -1, -1, 287, + 288, 289, 290, -1, 176, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 303, 304, 305, 306, -1, + -1, 309, -1, -1, 312, 313, 314, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 167, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 191, -1, + -1, -1, -1, 255, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 286, +}; +#define YYFINAL 1 +#ifndef YYDEBUG +#define YYDEBUG 0 #endif - case 'e': - if (!e_fp) { - mktemp(e_tmpname); - e_fp = fopen(e_tmpname,"w"); - } - if (argv[1]) - fputs(argv[1],e_fp); - putc('\n', e_fp); - argc--,argv++; - break; - case 'i': - inplace = savestr(argv[0]+2); - argvoutstab = stabent("ARGVOUT",TRUE); - break; - case 'I': - str_cat(str,argv[0]); - str_cat(str," "); - if (!argv[0][2]) { - str_cat(str,argv[1]); - argc--,argv++; - str_cat(str," "); - } - break; - case 'n': - assume_n = TRUE; - strcpy(argv[0], argv[0]+1); - goto reswitch; - case 'p': - assume_p = TRUE; - strcpy(argv[0], argv[0]+1); - goto reswitch; - case 'P': - preprocess = TRUE; - strcpy(argv[0], argv[0]+1); - goto reswitch; - case 's': - doswitches = TRUE; - strcpy(argv[0], argv[0]+1); - goto reswitch; - case 'v': - version(); - exit(0); - case '-': - argc--,argv++; - goto switch_end; - case 0: - break; - default: - fatal("Unrecognized switch: %s\n",argv[0]); - } - } - switch_end: - if (e_fp) { - fclose(e_fp); - argc++,argv--; - argv[0] = e_tmpname; - } - - str_set(&str_no,No); - str_set(&str_yes,Yes); - init_eval(); - - /* open script */ - - if (argv[0] == Nullch) - argv[0] = "-"; - filename = savestr(argv[0]); - if (strEQ(filename,"-")) - argv[0] = ""; - if (preprocess) { - sprintf(buf, "\ -/bin/sed -e '/^[^#]/b' \ - -e '/^#[ ]*include[ ]/b' \ - -e '/^#[ ]*define[ ]/b' \ - -e '/^#[ ]*if[ ]/b' \ - -e '/^#[ ]*ifdef[ ]/b' \ - -e '/^#[ ]*else/b' \ - -e '/^#[ ]*endif/b' \ - -e 's/^#.*//' \ - %s | %s -C %s%s", - argv[0], CPP, str_get(str), CPPMINUS); - rsfp = popen(buf,"r"); - } - else if (!*argv[0]) - rsfp = stdin; - else - rsfp = fopen(argv[0],"r"); - if (rsfp == Nullfp) - fatal("Perl script \"%s\" doesn't seem to exist.\n",filename); - str_free(str); /* free -I directories */ - - defstab = stabent("_",TRUE); - - /* init tokener */ - - bufptr = str_get(linestr); - - /* now parse the report spec */ - - if (yyparse()) - fatal("Execution aborted due to compilation errors.\n"); - - if (e_fp) { - e_fp = Nullfp; - UNLINK(e_tmpname); - } - argc--,argv++; /* skip name of script */ - if (doswitches) { - for (; argc > 0 && **argv == '-'; argc--,argv++) { - if (argv[0][1] == '-') { - argc--,argv++; - break; - } - str_numset(stabent(argv[0]+1,TRUE)->stab_val,(double)1.0); - } - } - if (argvstab = stabent("ARGV",FALSE)) { - for (; argc > 0; argc--,argv++) { - apush(argvstab->stab_array,str_make(argv[0])); - } - } - if (envstab = stabent("ENV",FALSE)) { - for (; *env; env++) { - if (!(s = index(*env,'='))) - continue; - *s++ = '\0'; - str = str_make(s); - str->str_link.str_magic = envstab; - hstore(envstab->stab_hash,*env,str); - *--s = '='; - } - } - sigstab = stabent("SIG",FALSE); - - magicalize("!#?^~=-%0123456789.+&*(),\\/[|"); - - (tmpstab = stabent("0",FALSE)) && str_set(STAB_STR(tmpstab),filename); - (tmpstab = stabent("$",FALSE)) && - str_numset(STAB_STR(tmpstab),(double)getpid()); - - tmpstab = stabent("stdin",TRUE); - tmpstab->stab_io = stio_new(); - tmpstab->stab_io->fp = stdin; - - tmpstab = stabent("stdout",TRUE); - tmpstab->stab_io = stio_new(); - tmpstab->stab_io->fp = stdout; - defoutstab = tmpstab; - curoutstab = tmpstab; - - tmpstab = stabent("stderr",TRUE); - tmpstab->stab_io = stio_new(); - tmpstab->stab_io->fp = stderr; - - setjmp(top_env); /* sets goto_targ on longjump */ - -#ifdef DEBUGGING - if (debug & 1024) - dump_cmd(main_root,Nullcmd); - if (debug) - fprintf(stderr,"\nEXECUTING...\n\n"); +#define YYMAXTOKEN 314 +#if YYDEBUG +static char *yyname[] = { +"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +"'!'",0,0,"'$'","'%'","'&'",0,"'('","')'","'*'","'+'","','","'-'",0,0,0,0,0,0,0, +0,0,0,0,0,"':'","';'",0,0,0,"'?'","'@'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,"'['",0,"']'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,"'{'",0,"'}'","'~'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"WORD","METHOD","FUNCMETH","THING", +"PMFUNC","PRIVATEREF","FUNC0SUB","UNIOPSUB","LSTOPSUB","LABEL","FORMAT","SUB", +"ANONSUB","PACKAGE","USE","WHILE","UNTIL","IF","UNLESS","ELSE","ELSIF", +"CONTINUE","FOR","LOOPEX","DOTDOT","FUNC0","FUNC1","FUNC","UNIOP","LSTOP", +"RELOP","EQOP","MULOP","ADDOP","DOLSHARP","DO","HASHBRACK","NOAMP","LOCAL","MY", +"OROP","ANDOP","NOTOP","ASSIGNOP","OROR","ANDAND","BITOROP","BITANDOP", +"SHIFTOP","MATCHOP","UMINUS","REFGEN","POWOP","PREINC","PREDEC","POSTINC", +"POSTDEC","ARROW", +}; +static char *yyrule[] = { +"$accept : prog", +"$$1 :", +"prog : $$1 lineseq", +"block : '{' remember lineseq '}'", +"remember :", +"mblock : '{' mremember lineseq '}'", +"mremember :", +"lineseq :", +"lineseq : lineseq decl", +"lineseq : lineseq line", +"line : label cond", +"line : loop", +"line : label ';'", +"line : label sideff ';'", +"sideff : error", +"sideff : expr", +"sideff : expr IF expr", +"sideff : expr UNLESS expr", +"sideff : expr WHILE expr", +"sideff : expr UNTIL iexpr", +"sideff : expr FOR expr", +"else :", +"else : ELSE mblock", +"else : ELSIF '(' mexpr ')' mblock else", +"cond : IF '(' remember mexpr ')' mblock else", +"cond : UNLESS '(' remember miexpr ')' mblock else", +"cont :", +"cont : CONTINUE block", +"loop : label WHILE '(' remember mtexpr ')' mblock cont", +"loop : label UNTIL '(' remember miexpr ')' mblock cont", +"loop : label FOR MY remember my_scalar '(' mexpr ')' mblock cont", +"loop : label FOR scalar '(' remember mexpr ')' mblock cont", +"loop : label FOR '(' remember mexpr ')' mblock cont", +"loop : label FOR '(' remember mnexpr ';' mtexpr ';' mnexpr ')' mblock", +"loop : label block cont", +"nexpr :", +"nexpr : sideff", +"texpr :", +"texpr : expr", +"iexpr : expr", +"mexpr : expr", +"mnexpr : nexpr", +"mtexpr : texpr", +"miexpr : iexpr", +"label :", +"label : LABEL", +"decl : format", +"decl : subrout", +"decl : package", +"decl : use", +"format : FORMAT startformsub formname block", +"formname : WORD", +"formname :", +"subrout : SUB startsub subname proto subbody", +"startsub :", +"startanonsub :", +"startformsub :", +"subname : WORD", +"proto :", +"proto : THING", +"subbody : block", +"subbody : ';'", +"package : PACKAGE WORD ';'", +"package : PACKAGE ';'", +"$$2 :", +"use : USE startsub $$2 WORD WORD listexpr ';'", +"expr : expr ANDOP expr", +"expr : expr OROP expr", +"expr : argexpr", +"argexpr : argexpr ','", +"argexpr : argexpr ',' term", +"argexpr : term", +"listop : LSTOP indirob argexpr", +"listop : FUNC '(' indirob expr ')'", +"listop : term ARROW method '(' listexprcom ')'", +"listop : term ARROW method", +"listop : METHOD indirob listexpr", +"listop : FUNCMETH indirob '(' listexprcom ')'", +"listop : LSTOP listexpr", +"listop : FUNC '(' listexprcom ')'", +"$$3 :", +"listop : LSTOPSUB startanonsub block $$3 listexpr", +"method : METHOD", +"method : scalar", +"term : term ASSIGNOP term", +"term : term POWOP term", +"term : term MULOP term", +"term : term ADDOP term", +"term : term SHIFTOP term", +"term : term RELOP term", +"term : term EQOP term", +"term : term BITANDOP term", +"term : term BITOROP term", +"term : term DOTDOT term", +"term : term ANDAND term", +"term : term OROR term", +"term : term '?' term ':' term", +"term : term MATCHOP term", +"term : '-' term", +"term : '+' term", +"term : '!' term", +"term : '~' term", +"term : REFGEN term", +"term : term POSTINC", +"term : term POSTDEC", +"term : PREINC term", +"term : PREDEC term", +"term : local term", +"term : '(' expr ')'", +"term : '(' ')'", +"term : '[' expr ']'", +"term : '[' ']'", +"term : HASHBRACK expr ';' '}'", +"term : HASHBRACK ';' '}'", +"term : ANONSUB startanonsub proto block", +"term : scalar", +"term : star '{' expr ';' '}'", +"term : star", +"term : scalar '[' expr ']'", +"term : term ARROW '[' expr ']'", +"term : term '[' expr ']'", +"term : hsh", +"term : ary", +"term : arylen", +"term : scalar '{' expr ';' '}'", +"term : term ARROW '{' expr ';' '}'", +"term : term '{' expr ';' '}'", +"term : '(' expr ')' '[' expr ']'", +"term : '(' ')' '[' expr ']'", +"term : ary '[' expr ']'", +"term : ary '{' expr ';' '}'", +"term : THING", +"term : amper", +"term : amper '(' ')'", +"term : amper '(' expr ')'", +"term : NOAMP WORD listexpr", +"term : DO term", +"term : DO block", +"term : DO WORD '(' ')'", +"term : DO WORD '(' expr ')'", +"term : DO scalar '(' ')'", +"term : DO scalar '(' expr ')'", +"term : term ARROW '(' ')'", +"term : term ARROW '(' expr ')'", +"term : LOOPEX", +"term : LOOPEX term", +"term : NOTOP argexpr", +"term : UNIOP", +"term : UNIOP block", +"term : UNIOP term", +"term : UNIOPSUB term", +"term : FUNC0", +"term : FUNC0 '(' ')'", +"term : FUNC0SUB", +"term : FUNC1 '(' ')'", +"term : FUNC1 '(' expr ')'", +"term : PMFUNC '(' term ')'", +"term : PMFUNC '(' term ',' term ')'", +"term : WORD", +"term : listop", +"listexpr :", +"listexpr : argexpr", +"listexprcom :", +"listexprcom : expr", +"listexprcom : expr ','", +"local : LOCAL", +"local : MY", +"my_scalar : scalar", +"amper : '&' indirob", +"scalar : '$' indirob", +"ary : '@' indirob", +"hsh : '%' indirob", +"arylen : DOLSHARP indirob", +"star : '*' indirob", +"indirob : WORD", +"indirob : scalar", +"indirob : block", +"indirob : PRIVATEREF", +}; #endif - - /* do it */ - - (void) cmd_exec(main_root); - - if (goto_targ) - fatal("Can't find label \"%s\"--aborting.\n",goto_targ); - exit(0); -} - -magicalize(list) -register char *list; -{ - register STAB *stab; - char sym[2]; - - sym[1] = '\0'; - while (*sym = *list++) { - if (stab = stabent(sym,FALSE)) { - stab->stab_flags = SF_VMAGIC; - stab->stab_val->str_link.str_magic = stab; - } - } -} - -#define RETURN(retval) return (bufptr = s,retval) -#define OPERATOR(retval) return (expectterm = TRUE,bufptr = s,retval) -#define TERM(retval) return (expectterm = FALSE,bufptr = s,retval) -#define LOOPX(f) return (yylval.ival = f,expectterm = FALSE,bufptr = s,LOOPEX) -#define UNI(f) return (yylval.ival = f,expectterm = TRUE,bufptr = s,UNIOP) -#define FUN0(f) return (yylval.ival = f,expectterm = FALSE,bufptr = s,FUNC0) -#define FUN1(f) return (yylval.ival = f,expectterm = FALSE,bufptr = s,FUNC1) -#define FUN2(f) return (yylval.ival = f,expectterm = FALSE,bufptr = s,FUNC2) -#define FUN3(f) return (yylval.ival = f,expectterm = FALSE,bufptr = s,FUNC3) -#define SFUN(f) return (yylval.ival = f,expectterm = FALSE,bufptr = s,STABFUN) - -yylex() -{ - register char *s = bufptr; - register char *d; - register int tmp; - static bool in_format = FALSE; - static bool firstline = TRUE; - - retry: -#ifdef YYDEBUG - if (yydebug) - if (index(s,'\n')) - fprintf(stderr,"Tokener at %s",s); - else - fprintf(stderr,"Tokener at %s\n",s); +#define yyclearin (yychar=(-1)) +#define yyerrok (yyerrflag=0) +#ifdef YYSTACKSIZE +#ifndef YYMAXDEPTH +#define YYMAXDEPTH YYSTACKSIZE #endif - switch (*s) { - default: - fprintf(stderr, - "Unrecognized character %c in file %s line %d--ignoring.\n", - *s++,filename,line); - goto retry; - case 0: - s = str_get(linestr); - *s = '\0'; - if (firstline && (assume_n || assume_p)) { - firstline = FALSE; - str_set(linestr,"while (<>) {"); - s = str_get(linestr); - goto retry; - } - if (!rsfp) - RETURN(0); - if (in_format) { - yylval.formval = load_format(); /* leaves . in buffer */ - in_format = FALSE; - s = str_get(linestr); - TERM(FORMLIST); - } - line++; - if ((s = str_gets(linestr, rsfp)) == Nullch) { - if (preprocess) - pclose(rsfp); - else if (rsfp != stdin) - fclose(rsfp); - rsfp = Nullfp; - if (assume_n || assume_p) { - str_set(linestr,assume_p ? "}continue{print;" : ""); - str_cat(linestr,"}"); - s = str_get(linestr); - goto retry; - } - s = str_get(linestr); - RETURN(0); - } -#ifdef DEBUG - else if (firstline) { - char *showinput(); - s = showinput(); - } +#else +#ifdef YYMAXDEPTH +#define YYSTACKSIZE YYMAXDEPTH +#else +#define YYSTACKSIZE 500 +#define YYMAXDEPTH 500 #endif - firstline = FALSE; - goto retry; - case ' ': case '\t': - s++; - goto retry; - case '\n': - case '#': - if (preprocess && s == str_get(linestr) && - s[1] == ' ' && isdigit(s[2])) { - line = atoi(s+2)-1; - for (s += 2; isdigit(*s); s++) ; - while (*s && isspace(*s)) s++; - if (filename) - safefree(filename); - s[strlen(s)-1] = '\0'; /* wipe out newline */ - filename = savestr(s); - s = str_get(linestr); - } - *s = '\0'; - if (lex_newlines) - RETURN('\n'); - goto retry; - case '+': - case '-': - if (s[1] == *s) { - s++; - if (*s++ == '+') - RETURN(INC); - else - RETURN(DEC); - } - /* FALL THROUGH */ - case '*': - case '%': - case '^': - case '~': - case '(': - case ',': - case ':': - case ';': - case '{': - case '[': - tmp = *s++; - OPERATOR(tmp); - case ')': - case ']': - case '}': - tmp = *s++; - TERM(tmp); - case '&': - s++; - tmp = *s++; - if (tmp == '&') - OPERATOR(ANDAND); - s--; - OPERATOR('&'); - case '|': - s++; - tmp = *s++; - if (tmp == '|') - OPERATOR(OROR); - s--; - OPERATOR('|'); - case '=': - s++; - tmp = *s++; - if (tmp == '=') - OPERATOR(EQ); - if (tmp == '~') - OPERATOR(MATCH); - s--; - OPERATOR('='); - case '!': - s++; - tmp = *s++; - if (tmp == '=') - OPERATOR(NE); - if (tmp == '~') - OPERATOR(NMATCH); - s--; - OPERATOR('!'); - case '<': - if (expectterm) { - s = scanstr(s); - TERM(RSTRING); - } - s++; - tmp = *s++; - if (tmp == '<') - OPERATOR(LS); - if (tmp == '=') - OPERATOR(LE); - s--; - OPERATOR('<'); - case '>': - s++; - tmp = *s++; - if (tmp == '>') - OPERATOR(RS); - if (tmp == '=') - OPERATOR(GE); - s--; - OPERATOR('>'); - -#define SNARFWORD \ - d = tokenbuf; \ - while (isalpha(*s) || isdigit(*s) || *s == '_') \ - *d++ = *s++; \ - *d = '\0'; \ - d = tokenbuf; - - case '$': - if (s[1] == '#' && (isalpha(s[2]) || s[2] == '_')) { - s++; - s = scanreg(s,tokenbuf); - yylval.stabval = aadd(stabent(tokenbuf,TRUE)); - TERM(ARYLEN); - } - s = scanreg(s,tokenbuf); - yylval.stabval = stabent(tokenbuf,TRUE); - TERM(REG); - - case '@': - s = scanreg(s,tokenbuf); - yylval.stabval = aadd(stabent(tokenbuf,TRUE)); - TERM(ARY); - - case '/': /* may either be division or pattern */ - case '?': /* may either be conditional or pattern */ - if (expectterm) { - s = scanpat(s); - TERM(PATTERN); - } - tmp = *s++; - OPERATOR(tmp); - - case '.': - if (!expectterm || !isdigit(s[1])) { - s++; - tmp = *s++; - if (tmp == '.') - OPERATOR(DOTDOT); - s--; - OPERATOR('.'); - } - /* FALL THROUGH */ - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - case '\'': case '"': case '`': - s = scanstr(s); - TERM(RSTRING); - - case '_': - SNARFWORD; - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'a': case 'A': - SNARFWORD; - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'b': case 'B': - SNARFWORD; - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'c': case 'C': - SNARFWORD; - if (strEQ(d,"continue")) - OPERATOR(CONTINUE); - if (strEQ(d,"chdir")) - UNI(O_CHDIR); - if (strEQ(d,"close")) - OPERATOR(CLOSE); - if (strEQ(d,"crypt")) - FUN2(O_CRYPT); - if (strEQ(d,"chop")) - OPERATOR(CHOP); - if (strEQ(d,"chmod")) { - yylval.ival = O_CHMOD; - OPERATOR(PRINT); - } - if (strEQ(d,"chown")) { - yylval.ival = O_CHOWN; - OPERATOR(PRINT); - } - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'd': case 'D': - SNARFWORD; - if (strEQ(d,"do")) - OPERATOR(DO); - if (strEQ(d,"die")) - UNI(O_DIE); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'e': case 'E': - SNARFWORD; - if (strEQ(d,"else")) - OPERATOR(ELSE); - if (strEQ(d,"elsif")) - OPERATOR(ELSIF); - if (strEQ(d,"eq") || strEQ(d,"EQ")) - OPERATOR(SEQ); - if (strEQ(d,"exit")) - UNI(O_EXIT); - if (strEQ(d,"eof")) - TERM(FEOF); - if (strEQ(d,"exp")) - FUN1(O_EXP); - if (strEQ(d,"each")) - SFUN(O_EACH); - if (strEQ(d,"exec")) { - yylval.ival = O_EXEC; - OPERATOR(PRINT); - } - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'f': case 'F': - SNARFWORD; - if (strEQ(d,"for")) - OPERATOR(FOR); - if (strEQ(d,"format")) { - in_format = TRUE; - OPERATOR(FORMAT); - } - if (strEQ(d,"fork")) - FUN0(O_FORK); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'g': case 'G': - SNARFWORD; - if (strEQ(d,"gt") || strEQ(d,"GT")) - OPERATOR(SGT); - if (strEQ(d,"ge") || strEQ(d,"GE")) - OPERATOR(SGE); - if (strEQ(d,"goto")) - LOOPX(O_GOTO); - if (strEQ(d,"gmtime")) - FUN1(O_GMTIME); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'h': case 'H': - SNARFWORD; - if (strEQ(d,"hex")) - FUN1(O_HEX); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'i': case 'I': - SNARFWORD; - if (strEQ(d,"if")) - OPERATOR(IF); - if (strEQ(d,"index")) - FUN2(O_INDEX); - if (strEQ(d,"int")) - FUN1(O_INT); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'j': case 'J': - SNARFWORD; - if (strEQ(d,"join")) - OPERATOR(JOIN); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'k': case 'K': - SNARFWORD; - if (strEQ(d,"keys")) - SFUN(O_KEYS); - if (strEQ(d,"kill")) { - yylval.ival = O_KILL; - OPERATOR(PRINT); - } - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'l': case 'L': - SNARFWORD; - if (strEQ(d,"last")) - LOOPX(O_LAST); - if (strEQ(d,"length")) - FUN1(O_LENGTH); - if (strEQ(d,"lt") || strEQ(d,"LT")) - OPERATOR(SLT); - if (strEQ(d,"le") || strEQ(d,"LE")) - OPERATOR(SLE); - if (strEQ(d,"localtime")) - FUN1(O_LOCALTIME); - if (strEQ(d,"log")) - FUN1(O_LOG); - if (strEQ(d,"link")) - FUN2(O_LINK); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'm': case 'M': - SNARFWORD; - if (strEQ(d,"m")) { - s = scanpat(s-1); - TERM(PATTERN); - } - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'n': case 'N': - SNARFWORD; - if (strEQ(d,"next")) - LOOPX(O_NEXT); - if (strEQ(d,"ne") || strEQ(d,"NE")) - OPERATOR(SNE); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'o': case 'O': - SNARFWORD; - if (strEQ(d,"open")) - OPERATOR(OPEN); - if (strEQ(d,"ord")) - FUN1(O_ORD); - if (strEQ(d,"oct")) - FUN1(O_OCT); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'p': case 'P': - SNARFWORD; - if (strEQ(d,"print")) { - yylval.ival = O_PRINT; - OPERATOR(PRINT); - } - if (strEQ(d,"printf")) { - yylval.ival = O_PRTF; - OPERATOR(PRINT); - } - if (strEQ(d,"push")) { - yylval.ival = O_PUSH; - OPERATOR(PUSH); - } - if (strEQ(d,"pop")) - OPERATOR(POP); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'q': case 'Q': - SNARFWORD; - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'r': case 'R': - SNARFWORD; - if (strEQ(d,"reset")) - UNI(O_RESET); - if (strEQ(d,"redo")) - LOOPX(O_REDO); - if (strEQ(d,"rename")) - FUN2(O_RENAME); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 's': case 'S': - SNARFWORD; - if (strEQ(d,"s")) { - s = scansubst(s); - TERM(SUBST); - } - if (strEQ(d,"shift")) - TERM(SHIFT); - if (strEQ(d,"split")) - TERM(SPLIT); - if (strEQ(d,"substr")) - FUN3(O_SUBSTR); - if (strEQ(d,"sprintf")) - OPERATOR(SPRINTF); - if (strEQ(d,"sub")) - OPERATOR(SUB); - if (strEQ(d,"select")) - OPERATOR(SELECT); - if (strEQ(d,"seek")) - OPERATOR(SEEK); - if (strEQ(d,"stat")) - OPERATOR(STAT); - if (strEQ(d,"sqrt")) - FUN1(O_SQRT); - if (strEQ(d,"sleep")) - UNI(O_SLEEP); - if (strEQ(d,"system")) { - yylval.ival = O_SYSTEM; - OPERATOR(PRINT); - } - yylval.cval = savestr(d); - OPERATOR(WORD); - case 't': case 'T': - SNARFWORD; - if (strEQ(d,"tr")) { - s = scantrans(s); - TERM(TRANS); - } - if (strEQ(d,"tell")) - TERM(TELL); - if (strEQ(d,"time")) - FUN0(O_TIME); - if (strEQ(d,"times")) - FUN0(O_TMS); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'u': case 'U': - SNARFWORD; - if (strEQ(d,"using")) - OPERATOR(USING); - if (strEQ(d,"until")) - OPERATOR(UNTIL); - if (strEQ(d,"unless")) - OPERATOR(UNLESS); - if (strEQ(d,"umask")) - FUN1(O_UMASK); - if (strEQ(d,"unshift")) { - yylval.ival = O_UNSHIFT; - OPERATOR(PUSH); - } - if (strEQ(d,"unlink")) { - yylval.ival = O_UNLINK; - OPERATOR(PRINT); - } - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'v': case 'V': - SNARFWORD; - if (strEQ(d,"values")) - SFUN(O_VALUES); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'w': case 'W': - SNARFWORD; - if (strEQ(d,"write")) - TERM(WRITE); - if (strEQ(d,"while")) - OPERATOR(WHILE); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'x': case 'X': - SNARFWORD; - if (!expectterm && strEQ(d,"x")) - OPERATOR('x'); - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'y': case 'Y': - SNARFWORD; - if (strEQ(d,"y")) { - s = scantrans(s); - TERM(TRANS); - } - yylval.cval = savestr(d); - OPERATOR(WORD); - case 'z': case 'Z': - SNARFWORD; - yylval.cval = savestr(d); - OPERATOR(WORD); - } -} - -STAB * -stabent(name,add) -register char *name; -int add; -{ - register STAB *stab; - - for (stab = stab_index[*name]; stab; stab = stab->stab_next) { - if (strEQ(name,stab->stab_name)) - return stab; - } - - /* no entry--should we add one? */ - - if (add) { - stab = (STAB *) safemalloc(sizeof(STAB)); - bzero((char*)stab, sizeof(STAB)); - stab->stab_name = savestr(name); - stab->stab_val = str_new(0); - stab->stab_next = stab_index[*name]; - stab_index[*name] = stab; - return stab; - } - return Nullstab; -} - -STIO * -stio_new() -{ - STIO *stio = (STIO *) safemalloc(sizeof(STIO)); - - bzero((char*)stio, sizeof(STIO)); - stio->page_len = 60; - return stio; -} - -char * -scanreg(s,dest) -register char *s; -char *dest; -{ - register char *d; - - s++; - d = dest; - while (isalpha(*s) || isdigit(*s) || *s == '_') - *d++ = *s++; - *d = '\0'; - d = dest; - if (!*d) { - *d = *s++; - if (*d == '{') { - d = dest; - while (*s && *s != '}') - *d++ = *s++; - *d = '\0'; - d = dest; - if (*s) - s++; - } - else - d[1] = '\0'; - } - if (*d == '^' && !isspace(*s)) - *d = *s++ & 31; - return s; -} - -STR * -scanconst(string) -char *string; -{ - register STR *retstr; - register char *t; - register char *d; - - if (index(string,'|')) { - return Nullstr; - } - retstr = str_make(string); - t = str_get(retstr); - for (d=t; *d; ) { - switch (*d) { - case '.': case '[': case '$': case '(': case ')': case '|': - *d = '\0'; - break; - case '\\': - if (index("wWbB0123456789",d[1])) { - *d = '\0'; - break; - } - strcpy(d,d+1); - switch(*d) { - case 'n': - *d = '\n'; - break; - case 't': - *d = '\t'; - break; - case 'f': - *d = '\f'; - break; - case 'r': - *d = '\r'; - break; - } - /* FALL THROUGH */ - default: - if (d[1] == '*' || d[1] == '+' || d[1] == '?') { - *d = '\0'; - break; - } - d++; - } - } - if (!*t) { - str_free(retstr); - return Nullstr; - } - retstr->str_cur = strlen(retstr->str_ptr); /* XXX cheating here */ - return retstr; -} - -char * -scanpat(s) -register char *s; -{ - register SPAT *spat = (SPAT *) safemalloc(sizeof (SPAT)); - register char *d; - - bzero((char *)spat, sizeof(SPAT)); - spat->spat_next = spat_root; /* link into spat list */ - spat_root = spat; - init_compex(&spat->spat_compex); - - switch (*s++) { - case 'm': - s++; - break; - case '/': - break; - case '?': - spat->spat_flags |= SPAT_USE_ONCE; - break; - default: - fatal("Search pattern not found:\n%s",str_get(linestr)); - } - s = cpytill(tokenbuf,s,s[-1]); - if (!*s) - fatal("Search pattern not terminated:\n%s",str_get(linestr)); - s++; - if (*tokenbuf == '^') { - spat->spat_first = scanconst(tokenbuf+1); - if (spat->spat_first) { - spat->spat_flen = strlen(spat->spat_first->str_ptr); - if (spat->spat_flen == strlen(tokenbuf+1)) - spat->spat_flags |= SPAT_SCANALL; - } - } - else { - spat->spat_flags |= SPAT_SCANFIRST; - spat->spat_first = scanconst(tokenbuf); - if (spat->spat_first) { - spat->spat_flen = strlen(spat->spat_first->str_ptr); - if (spat->spat_flen == strlen(tokenbuf)) - spat->spat_flags |= SPAT_SCANALL; - } - } - if (d = compile(&spat->spat_compex,tokenbuf,TRUE,FALSE)) - fatal(d); - yylval.arg = make_match(O_MATCH,stab_to_arg(A_STAB,defstab),spat); - return s; -} - -char * -scansubst(s) -register char *s; -{ - register SPAT *spat = (SPAT *) safemalloc(sizeof (SPAT)); - register char *d; - - bzero((char *)spat, sizeof(SPAT)); - spat->spat_next = spat_root; /* link into spat list */ - spat_root = spat; - init_compex(&spat->spat_compex); - - s = cpytill(tokenbuf,s+1,*s); - if (!*s) - fatal("Substitution pattern not terminated:\n%s",str_get(linestr)); - for (d=tokenbuf; *d; d++) { - if (*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') { - register ARG *arg; - - spat->spat_runtime = arg = op_new(1); - arg->arg_type = O_ITEM; - arg[1].arg_type = A_DOUBLE; - arg[1].arg_ptr.arg_str = str_make(tokenbuf); - goto get_repl; /* skip compiling for now */ - } - } - if (*tokenbuf == '^') { - spat->spat_first = scanconst(tokenbuf+1); - if (spat->spat_first) - spat->spat_flen = strlen(spat->spat_first->str_ptr); - } - else { - spat->spat_flags |= SPAT_SCANFIRST; - spat->spat_first = scanconst(tokenbuf); - if (spat->spat_first) - spat->spat_flen = strlen(spat->spat_first->str_ptr); - } - if (d = compile(&spat->spat_compex,tokenbuf,TRUE,FALSE)) - fatal(d); -get_repl: - s = scanstr(s); - if (!*s) - fatal("Substitution replacement not terminated:\n%s",str_get(linestr)); - spat->spat_repl = yylval.arg; - if (*s == 'g') { - s++; - spat->spat_flags &= ~SPAT_USE_ONCE; - } - else - spat->spat_flags |= SPAT_USE_ONCE; - yylval.arg = make_match(O_SUBST,stab_to_arg(A_STAB,defstab),spat); - return s; -} - -ARG * -make_split(stab,arg) -register STAB *stab; -register ARG *arg; -{ - if (arg->arg_type != O_MATCH) { - register SPAT *spat = (SPAT *) safemalloc(sizeof (SPAT)); - register char *d; - - bzero((char *)spat, sizeof(SPAT)); - spat->spat_next = spat_root; /* link into spat list */ - spat_root = spat; - init_compex(&spat->spat_compex); - - spat->spat_runtime = arg; - arg = make_match(O_MATCH,stab_to_arg(A_STAB,defstab),spat); - } - arg->arg_type = O_SPLIT; - arg[2].arg_ptr.arg_spat->spat_repl = stab_to_arg(A_STAB,aadd(stab)); - return arg; -} - -char * -expand_charset(s) -register char *s; -{ - char t[512]; - register char *d = t; - register int i; - - while (*s) { - if (s[1] == '-' && s[2]) { - for (i = s[0]; i <= s[2]; i++) - *d++ = i; - s += 3; - } - else - *d++ = *s++; - } - *d = '\0'; - return savestr(t); -} - -char * -scantrans(s) -register char *s; -{ - ARG *arg = - l(make_op(O_TRANS,2,stab_to_arg(A_STAB,defstab),Nullarg,Nullarg,0)); - register char *t; - register char *r; - register char *tbl = safemalloc(256); - register int i; - - arg[2].arg_type = A_NULL; - arg[2].arg_ptr.arg_cval = tbl; - for (i=0; i<256; i++) - tbl[i] = 0; - s = scanstr(s); - if (!*s) - fatal("Translation pattern not terminated:\n%s",str_get(linestr)); - t = expand_charset(str_get(yylval.arg[1].arg_ptr.arg_str)); - free_arg(yylval.arg); - s = scanstr(s-1); - if (!*s) - fatal("Translation replacement not terminated:\n%s",str_get(linestr)); - r = expand_charset(str_get(yylval.arg[1].arg_ptr.arg_str)); - free_arg(yylval.arg); - yylval.arg = arg; - if (!*r) { - safefree(r); - r = t; - } - for (i = 0; t[i]; i++) { - if (!r[i]) - r[i] = r[i-1]; - tbl[t[i] & 0377] = r[i]; - } - if (r != t) - safefree(r); - safefree(t); - return s; -} - -CMD * -block_head(tail) -register CMD *tail; -{ - if (tail == Nullcmd) { - return tail; - } - return tail->c_head; -} - -CMD * -append_line(head,tail) -register CMD *head; -register CMD *tail; -{ - if (tail == Nullcmd) - return head; - if (!tail->c_head) /* make sure tail is well formed */ - tail->c_head = tail; - if (head != Nullcmd) { - tail = tail->c_head; /* get to start of tail list */ - if (!head->c_head) - head->c_head = head; /* start a new head list */ - while (head->c_next) { - head->c_next->c_head = head->c_head; - head = head->c_next; /* get to end of head list */ - } - head->c_next = tail; /* link to end of old list */ - tail->c_head = head->c_head; /* propagate head pointer */ - } - while (tail->c_next) { - tail->c_next->c_head = tail->c_head; - tail = tail->c_next; - } - return tail; -} - -CMD * -make_acmd(type,stab,cond,arg) -int type; -STAB *stab; -ARG *cond; -ARG *arg; -{ - register CMD *cmd = (CMD *) safemalloc(sizeof (CMD)); - - bzero((char *)cmd, sizeof(CMD)); - cmd->c_type = type; - cmd->ucmd.acmd.ac_stab = stab; - cmd->ucmd.acmd.ac_expr = arg; - cmd->c_expr = cond; - if (cond) { - opt_arg(cmd,1); - cmd->c_flags |= CF_COND; - } - return cmd; -} - -CMD * -make_ccmd(type,arg,cblock) -int type; -register ARG *arg; -struct compcmd cblock; -{ - register CMD *cmd = (CMD *) safemalloc(sizeof (CMD)); - - bzero((char *)cmd, sizeof(CMD)); - cmd->c_type = type; - cmd->c_expr = arg; - cmd->ucmd.ccmd.cc_true = cblock.comp_true; - cmd->ucmd.ccmd.cc_alt = cblock.comp_alt; - if (arg) { - opt_arg(cmd,1); - cmd->c_flags |= CF_COND; - } - return cmd; -} - -void -opt_arg(cmd,fliporflop) -register CMD *cmd; -int fliporflop; +#endif +#line 652 "perly.y" + /* PROGRAM */ +#line 1318 "perly.c" +#define YYABORT goto yyabort +#define YYACCEPT goto yyaccept +#define YYERROR goto yyerrlab + +struct ysv { + short* yyss; + YYSTYPE* yyvs; + int oldyydebug; + int oldyynerrs; + int oldyyerrflag; + int oldyychar; + YYSTYPE oldyyval; + YYSTYPE oldyylval; +}; + +int +Perl_yyparse(pTHX) { - register ARG *arg; - int opt = CFT_EVAL; - int sure = 0; - ARG *arg2; - char *tmps; /* for True macro */ - int context = 0; /* 0 = normal, 1 = before &&, 2 = before || */ - int flp = fliporflop; - - if (!cmd) - return; - arg = cmd->c_expr; - - /* Turn "if (!expr)" into "unless (expr)" */ - - while (arg->arg_type == O_NOT && arg[1].arg_type == A_EXPR) { - cmd->c_flags ^= CF_INVERT; /* flip sense of cmd */ - cmd->c_expr = arg[1].arg_ptr.arg_arg; /* hoist the rest of expr */ - free_arg(arg); - arg = cmd->c_expr; /* here we go again */ - } - - if (!arg->arg_len) { /* sanity check */ - cmd->c_flags |= opt; - return; - } - - /* for "cond .. cond" we set up for the initial check */ - - if (arg->arg_type == O_FLIP) - context |= 4; - - /* for "cond && expr" and "cond || expr" we can ignore expr, sort of */ - - if (arg->arg_type == O_AND) - context |= 1; - else if (arg->arg_type == O_OR) - context |= 2; - if (context && arg[flp].arg_type == A_EXPR) { - arg = arg[flp].arg_ptr.arg_arg; - flp = 1; - } - - if (arg[flp].arg_flags & (AF_PRE|AF_POST)) { - cmd->c_flags |= opt; - return; /* side effect, can't optimize */ - } - - if (arg->arg_type == O_ITEM || arg->arg_type == O_FLIP || - arg->arg_type == O_AND || arg->arg_type == O_OR) { - if (arg[flp].arg_type == A_SINGLE) { - opt = (str_true(arg[flp].arg_ptr.arg_str) ? CFT_TRUE : CFT_FALSE); - cmd->c_first = arg[flp].arg_ptr.arg_str; - goto literal; - } - else if (arg[flp].arg_type == A_STAB || arg[flp].arg_type == A_LVAL) { - cmd->c_stab = arg[flp].arg_ptr.arg_stab; - opt = CFT_REG; - literal: - if (!context) { /* no && or ||? */ - free_arg(arg); - cmd->c_expr = Nullarg; - } - if (!(context & 1)) - cmd->c_flags |= CF_EQSURE; - if (!(context & 2)) - cmd->c_flags |= CF_NESURE; - } - } - else if (arg->arg_type == O_MATCH || arg->arg_type == O_SUBST || - arg->arg_type == O_NMATCH || arg->arg_type == O_NSUBST) { - if ((arg[1].arg_type == A_STAB || arg[1].arg_type == A_LVAL) && - arg[2].arg_type == A_SPAT && - arg[2].arg_ptr.arg_spat->spat_first ) { - cmd->c_stab = arg[1].arg_ptr.arg_stab; - cmd->c_first = arg[2].arg_ptr.arg_spat->spat_first; - cmd->c_flen = arg[2].arg_ptr.arg_spat->spat_flen; - if (arg[2].arg_ptr.arg_spat->spat_flags & SPAT_SCANALL && - (arg->arg_type == O_MATCH || arg->arg_type == O_NMATCH) ) - sure |= CF_EQSURE; /* (SUBST must be forced even */ - /* if we know it will work.) */ - arg[2].arg_ptr.arg_spat->spat_first = Nullstr; - arg[2].arg_ptr.arg_spat->spat_flen = 0; /* only one chk */ - sure |= CF_NESURE; /* normally only sure if it fails */ - if (arg->arg_type == O_NMATCH || arg->arg_type == O_NSUBST) - cmd->c_flags |= CF_FIRSTNEG; - if (context & 1) { /* only sure if thing is false */ - if (cmd->c_flags & CF_FIRSTNEG) - sure &= ~CF_NESURE; - else - sure &= ~CF_EQSURE; - } - else if (context & 2) { /* only sure if thing is true */ - if (cmd->c_flags & CF_FIRSTNEG) - sure &= ~CF_EQSURE; - else - sure &= ~CF_NESURE; - } - if (sure & (CF_EQSURE|CF_NESURE)) { /* if we know anything*/ - if (arg[2].arg_ptr.arg_spat->spat_flags & SPAT_SCANFIRST) - opt = CFT_SCAN; - else - opt = CFT_ANCHOR; - if (sure == (CF_EQSURE|CF_NESURE) /* really sure? */ - && arg->arg_type == O_MATCH - && context & 4 - && fliporflop == 1) { - arg[2].arg_type = A_SINGLE; /* don't do twice */ - arg[2].arg_ptr.arg_str = &str_yes; - } - cmd->c_flags |= sure; - } - } - } - else if (arg->arg_type == O_SEQ || arg->arg_type == O_SNE || - arg->arg_type == O_SLT || arg->arg_type == O_SGT) { - if (arg[1].arg_type == A_STAB || arg[1].arg_type == A_LVAL) { - if (arg[2].arg_type == A_SINGLE) { - cmd->c_stab = arg[1].arg_ptr.arg_stab; - cmd->c_first = arg[2].arg_ptr.arg_str; - cmd->c_flen = 30000; - switch (arg->arg_type) { - case O_SLT: case O_SGT: - sure |= CF_EQSURE; - cmd->c_flags |= CF_FIRSTNEG; - break; - case O_SNE: - cmd->c_flags |= CF_FIRSTNEG; - /* FALL THROUGH */ - case O_SEQ: - sure |= CF_NESURE|CF_EQSURE; - break; - } - if (context & 1) { /* only sure if thing is false */ - if (cmd->c_flags & CF_FIRSTNEG) - sure &= ~CF_NESURE; - else - sure &= ~CF_EQSURE; - } - else if (context & 2) { /* only sure if thing is true */ - if (cmd->c_flags & CF_FIRSTNEG) - sure &= ~CF_EQSURE; - else - sure &= ~CF_NESURE; - } - if (sure & (CF_EQSURE|CF_NESURE)) { - opt = CFT_STROP; - cmd->c_flags |= sure; - } - } - } - } - else if (arg->arg_type == O_ASSIGN && - (arg[1].arg_type == A_STAB || arg[1].arg_type == A_LVAL) && - arg[1].arg_ptr.arg_stab == defstab && - arg[2].arg_type == A_EXPR ) { - arg2 = arg[2].arg_ptr.arg_arg; - if (arg2->arg_type == O_ITEM && arg2[1].arg_type == A_READ) { - opt = CFT_GETS; - cmd->c_stab = arg2[1].arg_ptr.arg_stab; - if (!(arg2[1].arg_ptr.arg_stab->stab_io->flags & IOF_ARGV)) { - free_arg(arg2); - free_arg(arg); - cmd->c_expr = Nullarg; - } - } - } - else if (arg->arg_type == O_CHOP && - (arg[1].arg_type == A_STAB || arg[1].arg_type == A_LVAL) ) { - opt = CFT_CHOP; - cmd->c_stab = arg[1].arg_ptr.arg_stab; - free_arg(arg); - cmd->c_expr = Nullarg; - } - if (context & 4) - opt |= CF_FLIP; - cmd->c_flags |= opt; + register int yym, yyn, yystate; + register short *yyssp; + register YYSTYPE *yyvsp; + short* yyss; + YYSTYPE* yyvs; + unsigned yystacksize = YYSTACKSIZE; + int retval = 0; +#if YYDEBUG + register char *yys; +#ifndef __cplusplus + extern char *getenv(); +#endif +#endif - if (cmd->c_flags & CF_FLIP) { - if (fliporflop == 1) { - arg = cmd->c_expr; /* get back to O_FLIP arg */ - arg[3].arg_ptr.arg_cmd = (CMD*)safemalloc(sizeof(CMD)); - bcopy((char *)cmd, (char *)arg[3].arg_ptr.arg_cmd, sizeof(CMD)); - arg[4].arg_ptr.arg_cmd = (CMD*)safemalloc(sizeof(CMD)); - bcopy((char *)cmd, (char *)arg[4].arg_ptr.arg_cmd, sizeof(CMD)); - opt_arg(arg[4].arg_ptr.arg_cmd,2); - arg->arg_len = 2; /* this is a lie */ - } - else { - if ((opt & CF_OPTIMIZE) == CFT_EVAL) - cmd->c_flags = (cmd->c_flags & ~CF_OPTIMIZE) | CFT_UNFLIP; - } + struct ysv *ysave; + New(73, ysave, 1, struct ysv); + SAVEDESTRUCTOR(yydestruct, ysave); + ysave->oldyydebug = yydebug; + ysave->oldyynerrs = yynerrs; + ysave->oldyyerrflag = yyerrflag; + ysave->oldyychar = yychar; + ysave->oldyyval = yyval; + ysave->oldyylval = yylval; + +#if YYDEBUG + if (yys = getenv("YYDEBUG")) + { + yyn = *yys; + if (yyn >= '0' && yyn <= '9') + yydebug = yyn - '0'; } -} - -ARG * -mod_match(type,left,pat) -register ARG *left; -register ARG *pat; -{ - - register SPAT *spat; - register ARG *newarg; +#endif - if ((pat->arg_type == O_MATCH || - pat->arg_type == O_SUBST || - pat->arg_type == O_TRANS || - pat->arg_type == O_SPLIT - ) && - pat[1].arg_ptr.arg_stab == defstab ) { - switch (pat->arg_type) { - case O_MATCH: - newarg = make_op(type == O_MATCH ? O_MATCH : O_NMATCH, - pat->arg_len, - left,Nullarg,Nullarg,0); - break; - case O_SUBST: - newarg = l(make_op(type == O_MATCH ? O_SUBST : O_NSUBST, - pat->arg_len, - left,Nullarg,Nullarg,0)); - break; - case O_TRANS: - newarg = l(make_op(type == O_MATCH ? O_TRANS : O_NTRANS, - pat->arg_len, - left,Nullarg,Nullarg,0)); - break; - case O_SPLIT: - newarg = make_op(type == O_MATCH ? O_SPLIT : O_SPLIT, - pat->arg_len, - left,Nullarg,Nullarg,0); - break; - } - if (pat->arg_len >= 2) { - newarg[2].arg_type = pat[2].arg_type; - newarg[2].arg_ptr = pat[2].arg_ptr; - newarg[2].arg_flags = pat[2].arg_flags; - if (pat->arg_len >= 3) { - newarg[3].arg_type = pat[3].arg_type; - newarg[3].arg_ptr = pat[3].arg_ptr; - newarg[3].arg_flags = pat[3].arg_flags; - } - } - safefree((char*)pat); + yynerrs = 0; + yyerrflag = 0; + yychar = (-1); + + /* + ** Initialize private stacks (yyparse may be called from an action) + */ + New(73, yyss, yystacksize, short); + New(73, yyvs, yystacksize, YYSTYPE); + ysave->yyss = yyss; + ysave->yyvs = yyvs; + if (!yyvs || !yyss) + goto yyoverflow; + + yyssp = yyss; + yyvsp = yyvs; + *yyssp = yystate = 0; + +yyloop: + if (yyn = yydefred[yystate]) goto yyreduce; + if (yychar < 0) + { + if ((yychar = yylex()) < 0) yychar = 0; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("yydebug: state %d, reading %d (%s)\n", yystate, + yychar, yys); + } +#endif } - else { - spat = (SPAT *) safemalloc(sizeof (SPAT)); - bzero((char *)spat, sizeof(SPAT)); - spat->spat_next = spat_root; /* link into spat list */ - spat_root = spat; - init_compex(&spat->spat_compex); - - spat->spat_runtime = pat; - newarg = make_op(type,2,left,Nullarg,Nullarg,0); - newarg[2].arg_type = A_SPAT; - newarg[2].arg_ptr.arg_spat = spat; - newarg[2].arg_flags = AF_SPECIAL; + if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { +#if YYDEBUG + if (yydebug) + PerlIO_printf(Perl_debug_log, "yydebug: state %d, shifting to state %d\n", + yystate, yytable[yyn]); +#endif + if (yyssp >= yyss + yystacksize - 1) + { + /* + ** reallocate and recover. Note that pointers + ** have to be reset, or bad things will happen + */ + int yyps_index = (yyssp - yyss); + int yypv_index = (yyvsp - yyvs); + yystacksize += YYSTACKSIZE; + ysave->yyvs = yyvs = + (YYSTYPE*)PerlMem_realloc((char*)yyvs,yystacksize * sizeof(YYSTYPE)); + ysave->yyss = yyss = + (short*)PerlMem_realloc((char*)yyss,yystacksize * sizeof(short)); + if (!yyvs || !yyss) + goto yyoverflow; + yyssp = yyss + yyps_index; + yyvsp = yyvs + yypv_index; + } + *++yyssp = yystate = yytable[yyn]; + *++yyvsp = yylval; + yychar = (-1); + if (yyerrflag > 0) --yyerrflag; + goto yyloop; } - - return newarg; -} - -CMD * -add_label(lbl,cmd) -char *lbl; -register CMD *cmd; -{ - if (cmd) - cmd->c_label = lbl; - return cmd; -} - -CMD * -addcond(cmd, arg) -register CMD *cmd; -register ARG *arg; -{ - cmd->c_expr = arg; - opt_arg(cmd,1); - cmd->c_flags |= CF_COND; - return cmd; -} - -CMD * -addloop(cmd, arg) -register CMD *cmd; -register ARG *arg; -{ - cmd->c_expr = arg; - opt_arg(cmd,1); - cmd->c_flags |= CF_COND|CF_LOOP; - if (cmd->c_type == C_BLOCK) - cmd->c_flags &= ~CF_COND; - else { - arg = cmd->ucmd.acmd.ac_expr; - if (arg && arg->arg_type == O_ITEM && arg[1].arg_type == A_CMD) - cmd->c_flags &= ~CF_COND; /* "do {} while" happens at least once */ - if (arg && arg->arg_type == O_SUBR) - cmd->c_flags &= ~CF_COND; /* likewise for "do subr() while" */ + if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { + yyn = yytable[yyn]; + goto yyreduce; } - return cmd; -} - -CMD * -invert(cmd) -register CMD *cmd; -{ - cmd->c_flags ^= CF_INVERT; - return cmd; -} - -yyerror(s) -char *s; -{ - char tmpbuf[128]; - char *tname = tmpbuf; - - if (yychar > 256) { - tname = tokename[yychar-256]; - if (strEQ(tname,"word")) - strcpy(tname,tokenbuf); - else if (strEQ(tname,"register")) - sprintf(tname,"$%s",tokenbuf); - else if (strEQ(tname,"array_length")) - sprintf(tname,"$#%s",tokenbuf); + if (yyerrflag) goto yyinrecovery; +#ifdef lint + goto yynewerror; +#endif +yynewerror: + yyerror("syntax error"); +#ifdef lint + goto yyerrlab; +#endif +yyerrlab: + ++yynerrs; +yyinrecovery: + if (yyerrflag < 3) + { + yyerrflag = 3; + for (;;) + { + if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) + { +#if YYDEBUG + if (yydebug) + PerlIO_printf(Perl_debug_log, + "yydebug: state %d, error recovery shifting to state %d\n", + *yyssp, yytable[yyn]); +#endif + if (yyssp >= yyss + yystacksize - 1) + { + /* + ** reallocate and recover. Note that pointers + ** have to be reset, or bad things will happen + */ + int yyps_index = (yyssp - yyss); + int yypv_index = (yyvsp - yyvs); + yystacksize += YYSTACKSIZE; + ysave->yyvs = yyvs = (YYSTYPE*)PerlMem_realloc((char*)yyvs, + yystacksize * sizeof(YYSTYPE)); + ysave->yyss = yyss = (short*)PerlMem_realloc((char*)yyss, + yystacksize * sizeof(short)); + if (!yyvs || !yyss) + goto yyoverflow; + yyssp = yyss + yyps_index; + yyvsp = yyvs + yypv_index; + } + *++yyssp = yystate = yytable[yyn]; + *++yyvsp = yylval; + goto yyloop; + } + else + { +#if YYDEBUG + if (yydebug) + PerlIO_printf(Perl_debug_log, + "yydebug: error recovery discarding state %d\n", + *yyssp); +#endif + if (yyssp <= yyss) goto yyabort; + --yyssp; + --yyvsp; + } + } } - else if (!yychar) - strcpy(tname,"EOF"); - else if (yychar < 32) - sprintf(tname,"^%c",yychar+64); - else if (yychar == 127) - strcpy(tname,"^?"); else - sprintf(tname,"%c",yychar); - printf("%s in file %s at line %d, next token \"%s\"\n", - s,filename,line,tname); -} - -char * -scanstr(s) -register char *s; -{ - register char term; - register char *d; - register ARG *arg; - register bool makesingle = FALSE; - char *leave = "\\$nrtfb0123456789"; /* which backslash sequences to keep */ - - arg = op_new(1); - yylval.arg = arg; - arg->arg_type = O_ITEM; - - switch (*s) { - default: /* a substitution replacement */ - arg[1].arg_type = A_DOUBLE; - makesingle = TRUE; /* maybe disable runtime scanning */ - term = *s; - if (term == '\'') - leave = Nullch; - goto snarf_it; - case '0': - { - long i; - int shift; - - arg[1].arg_type = A_SINGLE; - if (s[1] == 'x') { - shift = 4; - s += 2; - } - else if (s[1] == '.') - goto decimal; - else - shift = 3; - i = 0; - for (;;) { - switch (*s) { - default: - goto out; - case '8': case '9': - if (shift != 4) - fatal("Illegal octal digit at line %d",line); - /* FALL THROUGH */ - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': - i <<= shift; - i += *s++ & 15; - break; - case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': - case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': - if (shift != 4) - goto out; - i <<= 4; - i += (*s++ & 7) + 9; - break; - } - } - out: - sprintf(tokenbuf,"%d",i); - arg[1].arg_ptr.arg_str = str_make(tokenbuf); - } - break; - case '1': case '2': case '3': case '4': case '5': - case '6': case '7': case '8': case '9': case '.': - decimal: - arg[1].arg_type = A_SINGLE; - d = tokenbuf; - while (isdigit(*s) || *s == '_') - *d++ = *s++; - if (*s == '.' && index("0123456789eE",s[1])) - *d++ = *s++; - while (isdigit(*s) || *s == '_') - *d++ = *s++; - if (index("eE",*s) && index("+-0123456789",s[1])) - *d++ = *s++; - if (*s == '+' || *s == '-') - *d++ = *s++; - while (isdigit(*s)) - *d++ = *s++; - *d = '\0'; - arg[1].arg_ptr.arg_str = str_make(tokenbuf); - break; - case '\'': - arg[1].arg_type = A_SINGLE; - term = *s; - leave = Nullch; - goto snarf_it; - - case '<': - arg[1].arg_type = A_READ; - s = cpytill(tokenbuf,s+1,'>'); - if (!*tokenbuf) - strcpy(tokenbuf,"ARGV"); - if (*s) - s++; - if (rsfp == stdin && strEQ(tokenbuf,"stdin")) - fatal("Can't get both program and data from \n"); - arg[1].arg_ptr.arg_stab = stabent(tokenbuf,TRUE); - arg[1].arg_ptr.arg_stab->stab_io = stio_new(); - if (strEQ(tokenbuf,"ARGV")) { - aadd(arg[1].arg_ptr.arg_stab); - arg[1].arg_ptr.arg_stab->stab_io->flags |= IOF_ARGV|IOF_START; - } - break; - case '"': - arg[1].arg_type = A_DOUBLE; - makesingle = TRUE; /* maybe disable runtime scanning */ - term = *s; - goto snarf_it; - case '`': - arg[1].arg_type = A_BACKTICK; - term = *s; - snarf_it: - { - STR *tmpstr; - int sqstart = line; - char *tmps; - - tmpstr = str_new(strlen(s)); - s = str_append_till(tmpstr,s+1,term,leave); - while (!*s) { /* multiple line string? */ - s = str_gets(linestr, rsfp); - if (!*s) - fatal("EOF in string at line %d\n",sqstart); - line++; - s = str_append_till(tmpstr,s,term,leave); - } - s++; - if (term == '\'') { - arg[1].arg_ptr.arg_str = tmpstr; - break; - } - tmps = s; - s = d = tmpstr->str_ptr; /* assuming shrinkage only */ - while (*s) { - if (*s == '$' && s[1]) { - makesingle = FALSE; /* force interpretation */ - if (!isalpha(s[1])) { /* an internal register? */ - int len; - - len = scanreg(s,tokenbuf) - s; - stabent(tokenbuf,TRUE); /* make sure it's created */ - while (len--) - *d++ = *s++; - continue; - } - } - else if (*s == '\\' && s[1]) { - s++; - switch (*s) { - default: - defchar: - if (!leave || index(leave,*s)) - *d++ = '\\'; - *d++ = *s++; - continue; - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - *d = *s++ - '0'; - if (index("01234567",*s)) { - *d <<= 3; - *d += *s++ - '0'; - } - else if (!index('`"',term)) { /* oops, a subpattern */ - s--; - goto defchar; - } - if (index("01234567",*s)) { - *d <<= 3; - *d += *s++ - '0'; - } - d++; - continue; - case 'b': - *d++ = '\b'; - break; - case 'n': - *d++ = '\n'; - break; - case 'r': - *d++ = '\r'; - break; - case 'f': - *d++ = '\f'; - break; - case 't': - *d++ = '\t'; - break; - } - s++; - continue; - } - *d++ = *s++; - } - *d = '\0'; - if (arg[1].arg_type == A_DOUBLE) { - if (makesingle) - arg[1].arg_type = A_SINGLE; /* now we can optimize on it */ - else - leave = "\\"; - for (d = s = tmpstr->str_ptr; *s; *d++ = *s++) { - if (*s == '\\' && (!leave || index(leave,s[1]))) - s++; - } - *d = '\0'; - } - tmpstr->str_cur = d - tmpstr->str_ptr; /* XXX cheat */ - arg[1].arg_ptr.arg_str = tmpstr; - s = tmps; - break; - } + { + if (yychar == 0) goto yyabort; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + PerlIO_printf(Perl_debug_log, + "yydebug: state %d, error recovery discards token %d (%s)\n", + yystate, yychar, yys); + } +#endif + yychar = (-1); + goto yyloop; } - return s; -} - -ARG * -make_op(type,newlen,arg1,arg2,arg3,dolist) -int type; -int newlen; -ARG *arg1; -ARG *arg2; -ARG *arg3; -int dolist; +yyreduce: +#if YYDEBUG + if (yydebug) + PerlIO_printf(Perl_debug_log, "yydebug: state %d, reducing by rule %d (%s)\n", + yystate, yyn, yyrule[yyn]); +#endif + yym = yylen[yyn]; + yyval = yyvsp[1-yym]; + switch (yyn) + { +case 1: +#line 99 "perly.y" { - register ARG *arg; - register ARG *chld; - register int doarg; - - arg = op_new(newlen); - arg->arg_type = type; - doarg = opargs[type]; - if (chld = arg1) { - if (!(doarg & 1)) - arg[1].arg_flags |= AF_SPECIAL; - if (doarg & 16) - arg[1].arg_flags |= AF_NUMERIC; - if (chld->arg_type == O_ITEM && - (hoistable[chld[1].arg_type] || chld[1].arg_type == A_LVAL) ) { - arg[1].arg_type = chld[1].arg_type; - arg[1].arg_ptr = chld[1].arg_ptr; - arg[1].arg_flags |= chld[1].arg_flags; - free_arg(chld); - } - else { - arg[1].arg_type = A_EXPR; - arg[1].arg_ptr.arg_arg = chld; - if (dolist & 1) { - if (chld->arg_type == O_LIST) { - if (newlen == 1) { /* we can hoist entire list */ - chld->arg_type = type; - free_arg(arg); - arg = chld; - } - else { - arg[1].arg_flags |= AF_SPECIAL; - } +#if defined(YYDEBUG) && defined(DEBUGGING) + yydebug = (PL_debug & 1); +#endif + PL_expect = XSTATE; } - else if (chld->arg_type == O_ARRAY && chld->arg_len == 1) - arg[1].arg_flags |= AF_SPECIAL; - } - } - } - if (chld = arg2) { - if (!(doarg & 2)) - arg[2].arg_flags |= AF_SPECIAL; - if (doarg & 32) - arg[2].arg_flags |= AF_NUMERIC; - if (chld->arg_type == O_ITEM && - (hoistable[chld[1].arg_type] || - (type == O_ASSIGN && - (chld[1].arg_type == A_READ || - chld[1].arg_type == A_DOUBLE || - chld[1].arg_type == A_BACKTICK ) ) ) ) { - arg[2].arg_type = chld[1].arg_type; - arg[2].arg_ptr = chld[1].arg_ptr; - free_arg(chld); - } - else { - arg[2].arg_type = A_EXPR; - arg[2].arg_ptr.arg_arg = chld; - if ((dolist & 2) && - (chld->arg_type == O_LIST || - (chld->arg_type == O_ARRAY && chld->arg_len == 1) )) - arg[2].arg_flags |= AF_SPECIAL; - } - } - if (chld = arg3) { - if (!(doarg & 4)) - arg[3].arg_flags |= AF_SPECIAL; - if (doarg & 64) - arg[3].arg_flags |= AF_NUMERIC; - if (chld->arg_type == O_ITEM && hoistable[chld[1].arg_type]) { - arg[3].arg_type = chld[1].arg_type; - arg[3].arg_ptr = chld[1].arg_ptr; - free_arg(chld); - } - else { - arg[3].arg_type = A_EXPR; - arg[3].arg_ptr.arg_arg = chld; - if ((dolist & 4) && - (chld->arg_type == O_LIST || - (chld->arg_type == O_ARRAY && chld->arg_len == 1) )) - arg[3].arg_flags |= AF_SPECIAL; - } - } -#ifdef DEBUGGING - if (debug & 16) { - fprintf(stderr,"%lx <= make_op(%s",arg,opname[arg->arg_type]); - if (arg1) - fprintf(stderr,",%s=%lx", - argname[arg[1].arg_type],arg[1].arg_ptr.arg_arg); - if (arg2) - fprintf(stderr,",%s=%lx", - argname[arg[2].arg_type],arg[2].arg_ptr.arg_arg); - if (arg3) - fprintf(stderr,",%s=%lx", - argname[arg[3].arg_type],arg[3].arg_ptr.arg_arg); - fprintf(stderr,")\n"); +break; +case 2: +#line 106 "perly.y" +{ newPROG(yyvsp[0].opval); } +break; +case 3: +#line 110 "perly.y" +{ if (PL_copline > (line_t)yyvsp[-3].ival) + PL_copline = yyvsp[-3].ival; + yyval.opval = block_end(yyvsp[-2].ival, yyvsp[-1].opval); } +break; +case 4: +#line 116 "perly.y" +{ yyval.ival = block_start(TRUE); } +break; +case 5: +#line 120 "perly.y" +{ if (PL_copline > (line_t)yyvsp[-3].ival) + PL_copline = yyvsp[-3].ival; + yyval.opval = block_end(yyvsp[-2].ival, yyvsp[-1].opval); } +break; +case 6: +#line 126 "perly.y" +{ yyval.ival = block_start(FALSE); } +break; +case 7: +#line 130 "perly.y" +{ yyval.opval = Nullop; } +break; +case 8: +#line 132 "perly.y" +{ yyval.opval = yyvsp[-1].opval; } +break; +case 9: +#line 134 "perly.y" +{ yyval.opval = append_list(OP_LINESEQ, + (LISTOP*)yyvsp[-1].opval, (LISTOP*)yyvsp[0].opval); + PL_pad_reset_pending = TRUE; + if (yyvsp[-1].opval && yyvsp[0].opval) PL_hints |= HINT_BLOCK_SCOPE; } +break; +case 10: +#line 141 "perly.y" +{ yyval.opval = newSTATEOP(0, yyvsp[-1].pval, yyvsp[0].opval); } +break; +case 12: +#line 144 "perly.y" +{ if (yyvsp[-1].pval != Nullch) { + yyval.opval = newSTATEOP(0, yyvsp[-1].pval, newOP(OP_NULL, 0)); + } + else { + yyval.opval = Nullop; + PL_copline = NOLINE; + } + PL_expect = XSTATE; } +break; +case 13: +#line 153 "perly.y" +{ yyval.opval = newSTATEOP(0, yyvsp[-2].pval, yyvsp[-1].opval); + PL_expect = XSTATE; } +break; +case 14: +#line 158 "perly.y" +{ yyval.opval = Nullop; } +break; +case 15: +#line 160 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 16: +#line 162 "perly.y" +{ yyval.opval = newLOGOP(OP_AND, 0, yyvsp[0].opval, yyvsp[-2].opval); } +break; +case 17: +#line 164 "perly.y" +{ yyval.opval = newLOGOP(OP_OR, 0, yyvsp[0].opval, yyvsp[-2].opval); } +break; +case 18: +#line 166 "perly.y" +{ yyval.opval = newLOOPOP(OPf_PARENS, 1, scalar(yyvsp[0].opval), yyvsp[-2].opval); } +break; +case 19: +#line 168 "perly.y" +{ yyval.opval = newLOOPOP(OPf_PARENS, 1, yyvsp[0].opval, yyvsp[-2].opval);} +break; +case 20: +#line 170 "perly.y" +{ yyval.opval = newFOROP(0, Nullch, yyvsp[-1].ival, + Nullop, yyvsp[0].opval, yyvsp[-2].opval, Nullop); } +break; +case 21: +#line 175 "perly.y" +{ yyval.opval = Nullop; } +break; +case 22: +#line 177 "perly.y" +{ yyval.opval = scope(yyvsp[0].opval); } +break; +case 23: +#line 179 "perly.y" +{ PL_copline = yyvsp[-5].ival; + yyval.opval = newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval); + PL_hints |= HINT_BLOCK_SCOPE; } +break; +case 24: +#line 186 "perly.y" +{ PL_copline = yyvsp[-6].ival; + yyval.opval = block_end(yyvsp[-4].ival, + newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval)); } +break; +case 25: +#line 190 "perly.y" +{ PL_copline = yyvsp[-6].ival; + yyval.opval = block_end(yyvsp[-4].ival, + newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval)); } +break; +case 26: +#line 196 "perly.y" +{ yyval.opval = Nullop; } +break; +case 27: +#line 198 "perly.y" +{ yyval.opval = scope(yyvsp[0].opval); } +break; +case 28: +#line 202 "perly.y" +{ PL_copline = yyvsp[-6].ival; + yyval.opval = block_end(yyvsp[-4].ival, + newSTATEOP(0, yyvsp[-7].pval, + newWHILEOP(0, 1, (LOOP*)Nullop, + yyvsp[-6].ival, yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval))); } +break; +case 29: +#line 208 "perly.y" +{ PL_copline = yyvsp[-6].ival; + yyval.opval = block_end(yyvsp[-4].ival, + newSTATEOP(0, yyvsp[-7].pval, + newWHILEOP(0, 1, (LOOP*)Nullop, + yyvsp[-6].ival, yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval))); } +break; +case 30: +#line 214 "perly.y" +{ yyval.opval = block_end(yyvsp[-6].ival, + newFOROP(0, yyvsp[-9].pval, yyvsp[-8].ival, yyvsp[-5].opval, yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval)); } +break; +case 31: +#line 217 "perly.y" +{ yyval.opval = block_end(yyvsp[-4].ival, + newFOROP(0, yyvsp[-8].pval, yyvsp[-7].ival, mod(yyvsp[-6].opval, OP_ENTERLOOP), + yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval)); } +break; +case 32: +#line 221 "perly.y" +{ yyval.opval = block_end(yyvsp[-4].ival, + newFOROP(0, yyvsp[-7].pval, yyvsp[-6].ival, Nullop, yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval)); } +break; +case 33: +#line 225 "perly.y" +{ OP *forop = append_elem(OP_LINESEQ, + scalar(yyvsp[-6].opval), + newWHILEOP(0, 1, (LOOP*)Nullop, + yyvsp[-9].ival, scalar(yyvsp[-4].opval), + yyvsp[0].opval, scalar(yyvsp[-2].opval))); + PL_copline = yyvsp[-9].ival; + yyval.opval = block_end(yyvsp[-7].ival, newSTATEOP(0, yyvsp[-10].pval, forop)); } +break; +case 34: +#line 233 "perly.y" +{ yyval.opval = newSTATEOP(0, yyvsp[-2].pval, + newWHILEOP(0, 1, (LOOP*)Nullop, + NOLINE, Nullop, yyvsp[-1].opval, yyvsp[0].opval)); } +break; +case 35: +#line 239 "perly.y" +{ yyval.opval = Nullop; } +break; +case 37: +#line 244 "perly.y" +{ (void)scan_num("1"); yyval.opval = yylval.opval; } +break; +case 39: +#line 249 "perly.y" +{ yyval.opval = invert(scalar(yyvsp[0].opval)); } +break; +case 40: +#line 253 "perly.y" +{ yyval.opval = yyvsp[0].opval; intro_my(); } +break; +case 41: +#line 257 "perly.y" +{ yyval.opval = yyvsp[0].opval; intro_my(); } +break; +case 42: +#line 261 "perly.y" +{ yyval.opval = yyvsp[0].opval; intro_my(); } +break; +case 43: +#line 265 "perly.y" +{ yyval.opval = yyvsp[0].opval; intro_my(); } +break; +case 44: +#line 269 "perly.y" +{ yyval.pval = Nullch; } +break; +case 46: +#line 274 "perly.y" +{ yyval.ival = 0; } +break; +case 47: +#line 276 "perly.y" +{ yyval.ival = 0; } +break; +case 48: +#line 278 "perly.y" +{ yyval.ival = 0; } +break; +case 49: +#line 280 "perly.y" +{ yyval.ival = 0; } +break; +case 50: +#line 284 "perly.y" +{ newFORM(yyvsp[-2].ival, yyvsp[-1].opval, yyvsp[0].opval); } +break; +case 51: +#line 287 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 52: +#line 288 "perly.y" +{ yyval.opval = Nullop; } +break; +case 53: +#line 292 "perly.y" +{ newSUB(yyvsp[-3].ival, yyvsp[-2].opval, yyvsp[-1].opval, yyvsp[0].opval); } +break; +case 54: +#line 296 "perly.y" +{ yyval.ival = start_subparse(FALSE, 0); } +break; +case 55: +#line 300 "perly.y" +{ yyval.ival = start_subparse(FALSE, CVf_ANON); } +break; +case 56: +#line 304 "perly.y" +{ yyval.ival = start_subparse(TRUE, 0); } +break; +case 57: +#line 307 "perly.y" +{ STRLEN n_a; char *name = SvPV(((SVOP*)yyvsp[0].opval)->op_sv,n_a); + if (strEQ(name, "BEGIN") || strEQ(name, "END") + || strEQ(name, "INIT")) + CvSPECIAL_on(PL_compcv); + yyval.opval = yyvsp[0].opval; } +break; +case 58: +#line 315 "perly.y" +{ yyval.opval = Nullop; } +break; +case 60: +#line 319 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 61: +#line 320 "perly.y" +{ yyval.opval = Nullop; PL_expect = XSTATE; } +break; +case 62: +#line 324 "perly.y" +{ package(yyvsp[-1].opval); } +break; +case 63: +#line 326 "perly.y" +{ package(Nullop); } +break; +case 64: +#line 330 "perly.y" +{ CvSPECIAL_on(PL_compcv); /* It's a BEGIN {} */ } +break; +case 65: +#line 332 "perly.y" +{ utilize(yyvsp[-6].ival, yyvsp[-5].ival, yyvsp[-3].opval, yyvsp[-2].opval, yyvsp[-1].opval); } +break; +case 66: +#line 336 "perly.y" +{ yyval.opval = newLOGOP(OP_AND, 0, yyvsp[-2].opval, yyvsp[0].opval); } +break; +case 67: +#line 338 "perly.y" +{ yyval.opval = newLOGOP(yyvsp[-1].ival, 0, yyvsp[-2].opval, yyvsp[0].opval); } +break; +case 69: +#line 343 "perly.y" +{ yyval.opval = yyvsp[-1].opval; } +break; +case 70: +#line 345 "perly.y" +{ yyval.opval = append_elem(OP_LIST, yyvsp[-2].opval, yyvsp[0].opval); } +break; +case 72: +#line 350 "perly.y" +{ yyval.opval = convert(yyvsp[-2].ival, OPf_STACKED, + prepend_elem(OP_LIST, newGVREF(yyvsp[-2].ival,yyvsp[-1].opval), yyvsp[0].opval) ); } +break; +case 73: +#line 353 "perly.y" +{ yyval.opval = convert(yyvsp[-4].ival, OPf_STACKED, + prepend_elem(OP_LIST, newGVREF(yyvsp[-4].ival,yyvsp[-2].opval), yyvsp[-1].opval) ); } +break; +case 74: +#line 356 "perly.y" +{ yyval.opval = convert(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, + prepend_elem(OP_LIST, scalar(yyvsp[-5].opval), yyvsp[-1].opval), + newUNOP(OP_METHOD, 0, yyvsp[-3].opval))); } +break; +case 75: +#line 361 "perly.y" +{ yyval.opval = convert(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, scalar(yyvsp[-2].opval), + newUNOP(OP_METHOD, 0, yyvsp[0].opval))); } +break; +case 76: +#line 365 "perly.y" +{ yyval.opval = convert(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, + prepend_elem(OP_LIST, yyvsp[-1].opval, yyvsp[0].opval), + newUNOP(OP_METHOD, 0, yyvsp[-2].opval))); } +break; +case 77: +#line 370 "perly.y" +{ yyval.opval = convert(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, + prepend_elem(OP_LIST, yyvsp[-3].opval, yyvsp[-1].opval), + newUNOP(OP_METHOD, 0, yyvsp[-4].opval))); } +break; +case 78: +#line 375 "perly.y" +{ yyval.opval = convert(yyvsp[-1].ival, 0, yyvsp[0].opval); } +break; +case 79: +#line 377 "perly.y" +{ yyval.opval = convert(yyvsp[-3].ival, 0, yyvsp[-1].opval); } +break; +case 80: +#line 379 "perly.y" +{ yyvsp[0].opval = newANONSUB(yyvsp[-1].ival, 0, yyvsp[0].opval); } +break; +case 81: +#line 381 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, + prepend_elem(OP_LIST, yyvsp[-2].opval, yyvsp[0].opval), yyvsp[-4].opval)); } +break; +case 84: +#line 391 "perly.y" +{ yyval.opval = newASSIGNOP(OPf_STACKED, yyvsp[-2].opval, yyvsp[-1].ival, yyvsp[0].opval); } +break; +case 85: +#line 393 "perly.y" +{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } +break; +case 86: +#line 395 "perly.y" +{ if (yyvsp[-1].ival != OP_REPEAT) + scalar(yyvsp[-2].opval); + yyval.opval = newBINOP(yyvsp[-1].ival, 0, yyvsp[-2].opval, scalar(yyvsp[0].opval)); } +break; +case 87: +#line 399 "perly.y" +{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } +break; +case 88: +#line 401 "perly.y" +{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } +break; +case 89: +#line 403 "perly.y" +{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } +break; +case 90: +#line 405 "perly.y" +{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } +break; +case 91: +#line 407 "perly.y" +{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } +break; +case 92: +#line 409 "perly.y" +{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } +break; +case 93: +#line 411 "perly.y" +{ yyval.opval = newRANGE(yyvsp[-1].ival, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval));} +break; +case 94: +#line 413 "perly.y" +{ yyval.opval = newLOGOP(OP_AND, 0, yyvsp[-2].opval, yyvsp[0].opval); } +break; +case 95: +#line 415 "perly.y" +{ yyval.opval = newLOGOP(OP_OR, 0, yyvsp[-2].opval, yyvsp[0].opval); } +break; +case 96: +#line 417 "perly.y" +{ yyval.opval = newCONDOP(0, yyvsp[-4].opval, yyvsp[-2].opval, yyvsp[0].opval); } +break; +case 97: +#line 419 "perly.y" +{ yyval.opval = bind_match(yyvsp[-1].ival, yyvsp[-2].opval, yyvsp[0].opval); } +break; +case 98: +#line 422 "perly.y" +{ yyval.opval = newUNOP(OP_NEGATE, 0, scalar(yyvsp[0].opval)); } +break; +case 99: +#line 424 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 100: +#line 426 "perly.y" +{ yyval.opval = newUNOP(OP_NOT, 0, scalar(yyvsp[0].opval)); } +break; +case 101: +#line 428 "perly.y" +{ yyval.opval = newUNOP(OP_COMPLEMENT, 0, scalar(yyvsp[0].opval));} +break; +case 102: +#line 430 "perly.y" +{ yyval.opval = newUNOP(OP_REFGEN, 0, mod(yyvsp[0].opval,OP_REFGEN)); } +break; +case 103: +#line 432 "perly.y" +{ yyval.opval = newUNOP(OP_POSTINC, 0, + mod(scalar(yyvsp[-1].opval), OP_POSTINC)); } +break; +case 104: +#line 435 "perly.y" +{ yyval.opval = newUNOP(OP_POSTDEC, 0, + mod(scalar(yyvsp[-1].opval), OP_POSTDEC)); } +break; +case 105: +#line 438 "perly.y" +{ yyval.opval = newUNOP(OP_PREINC, 0, + mod(scalar(yyvsp[0].opval), OP_PREINC)); } +break; +case 106: +#line 441 "perly.y" +{ yyval.opval = newUNOP(OP_PREDEC, 0, + mod(scalar(yyvsp[0].opval), OP_PREDEC)); } +break; +case 107: +#line 444 "perly.y" +{ yyval.opval = localize(yyvsp[0].opval,yyvsp[-1].ival); } +break; +case 108: +#line 446 "perly.y" +{ yyval.opval = sawparens(yyvsp[-1].opval); } +break; +case 109: +#line 448 "perly.y" +{ yyval.opval = sawparens(newNULLLIST()); } +break; +case 110: +#line 450 "perly.y" +{ yyval.opval = newANONLIST(yyvsp[-1].opval); } +break; +case 111: +#line 452 "perly.y" +{ yyval.opval = newANONLIST(Nullop); } +break; +case 112: +#line 454 "perly.y" +{ yyval.opval = newANONHASH(yyvsp[-2].opval); } +break; +case 113: +#line 456 "perly.y" +{ yyval.opval = newANONHASH(Nullop); } +break; +case 114: +#line 458 "perly.y" +{ yyval.opval = newANONSUB(yyvsp[-2].ival, yyvsp[-1].opval, yyvsp[0].opval); } +break; +case 115: +#line 460 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 116: +#line 462 "perly.y" +{ yyval.opval = newBINOP(OP_GELEM, 0, yyvsp[-4].opval, scalar(yyvsp[-2].opval)); } +break; +case 117: +#line 464 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 118: +#line 466 "perly.y" +{ yyval.opval = newBINOP(OP_AELEM, 0, oopsAV(yyvsp[-3].opval), scalar(yyvsp[-1].opval)); } +break; +case 119: +#line 468 "perly.y" +{ yyval.opval = newBINOP(OP_AELEM, 0, + ref(newAVREF(yyvsp[-4].opval),OP_RV2AV), + scalar(yyvsp[-1].opval));} +break; +case 120: +#line 472 "perly.y" +{ assertref(yyvsp[-3].opval); yyval.opval = newBINOP(OP_AELEM, 0, + ref(newAVREF(yyvsp[-3].opval),OP_RV2AV), + scalar(yyvsp[-1].opval));} +break; +case 121: +#line 476 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 122: +#line 478 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 123: +#line 480 "perly.y" +{ yyval.opval = newUNOP(OP_AV2ARYLEN, 0, ref(yyvsp[0].opval, OP_AV2ARYLEN));} +break; +case 124: +#line 482 "perly.y" +{ yyval.opval = newBINOP(OP_HELEM, 0, oopsHV(yyvsp[-4].opval), jmaybe(yyvsp[-2].opval)); + PL_expect = XOPERATOR; } +break; +case 125: +#line 485 "perly.y" +{ yyval.opval = newBINOP(OP_HELEM, 0, + ref(newHVREF(yyvsp[-5].opval),OP_RV2HV), + jmaybe(yyvsp[-2].opval)); + PL_expect = XOPERATOR; } +break; +case 126: +#line 490 "perly.y" +{ assertref(yyvsp[-4].opval); yyval.opval = newBINOP(OP_HELEM, 0, + ref(newHVREF(yyvsp[-4].opval),OP_RV2HV), + jmaybe(yyvsp[-2].opval)); + PL_expect = XOPERATOR; } +break; +case 127: +#line 495 "perly.y" +{ yyval.opval = newSLICEOP(0, yyvsp[-1].opval, yyvsp[-4].opval); } +break; +case 128: +#line 497 "perly.y" +{ yyval.opval = newSLICEOP(0, yyvsp[-1].opval, Nullop); } +break; +case 129: +#line 499 "perly.y" +{ yyval.opval = prepend_elem(OP_ASLICE, + newOP(OP_PUSHMARK, 0), + newLISTOP(OP_ASLICE, 0, + list(yyvsp[-1].opval), + ref(yyvsp[-3].opval, OP_ASLICE))); } +break; +case 130: +#line 505 "perly.y" +{ yyval.opval = prepend_elem(OP_HSLICE, + newOP(OP_PUSHMARK, 0), + newLISTOP(OP_HSLICE, 0, + list(yyvsp[-2].opval), + ref(oopsHV(yyvsp[-4].opval), OP_HSLICE))); + PL_expect = XOPERATOR; } +break; +case 131: +#line 512 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 132: +#line 514 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, 0, scalar(yyvsp[0].opval)); } +break; +case 133: +#line 516 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar(yyvsp[-2].opval)); } +break; +case 134: +#line 518 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, yyvsp[-1].opval, scalar(yyvsp[-3].opval))); } +break; +case 135: +#line 521 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, yyvsp[0].opval, scalar(yyvsp[-1].opval))); } +break; +case 136: +#line 524 "perly.y" +{ yyval.opval = dofile(yyvsp[0].opval); } +break; +case 137: +#line 526 "perly.y" +{ yyval.opval = newUNOP(OP_NULL, OPf_SPECIAL, scope(yyvsp[0].opval)); } +break; +case 138: +#line 528 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, + OPf_SPECIAL|OPf_STACKED, + prepend_elem(OP_LIST, + scalar(newCVREF( + (OPpENTERSUB_AMPER<<8), + scalar(yyvsp[-2].opval) + )),Nullop)); dep();} +break; +case 139: +#line 536 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, + OPf_SPECIAL|OPf_STACKED, + append_elem(OP_LIST, + yyvsp[-1].opval, + scalar(newCVREF( + (OPpENTERSUB_AMPER<<8), + scalar(yyvsp[-3].opval) + )))); dep();} +break; +case 140: +#line 545 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED, + prepend_elem(OP_LIST, + scalar(newCVREF(0,scalar(yyvsp[-2].opval))), Nullop)); dep();} +break; +case 141: +#line 549 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED, + prepend_elem(OP_LIST, + yyvsp[-1].opval, + scalar(newCVREF(0,scalar(yyvsp[-3].opval))))); dep();} +break; +case 142: +#line 554 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, + newCVREF(0, scalar(yyvsp[-3].opval))); } +break; +case 143: +#line 557 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, yyvsp[-1].opval, + newCVREF(0, scalar(yyvsp[-4].opval)))); } +break; +case 144: +#line 561 "perly.y" +{ yyval.opval = newOP(yyvsp[0].ival, OPf_SPECIAL); + PL_hints |= HINT_BLOCK_SCOPE; } +break; +case 145: +#line 564 "perly.y" +{ yyval.opval = newLOOPEX(yyvsp[-1].ival,yyvsp[0].opval); } +break; +case 146: +#line 566 "perly.y" +{ yyval.opval = newUNOP(OP_NOT, 0, scalar(yyvsp[0].opval)); } +break; +case 147: +#line 568 "perly.y" +{ yyval.opval = newOP(yyvsp[0].ival, 0); } +break; +case 148: +#line 570 "perly.y" +{ yyval.opval = newUNOP(yyvsp[-1].ival, 0, yyvsp[0].opval); } +break; +case 149: +#line 572 "perly.y" +{ yyval.opval = newUNOP(yyvsp[-1].ival, 0, yyvsp[0].opval); } +break; +case 150: +#line 574 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, + append_elem(OP_LIST, yyvsp[0].opval, scalar(yyvsp[-1].opval))); } +break; +case 151: +#line 577 "perly.y" +{ yyval.opval = newOP(yyvsp[0].ival, 0); } +break; +case 152: +#line 579 "perly.y" +{ yyval.opval = newOP(yyvsp[-2].ival, 0); } +break; +case 153: +#line 581 "perly.y" +{ yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, + scalar(yyvsp[0].opval)); } +break; +case 154: +#line 584 "perly.y" +{ yyval.opval = newOP(yyvsp[-2].ival, OPf_SPECIAL); } +break; +case 155: +#line 586 "perly.y" +{ yyval.opval = newUNOP(yyvsp[-3].ival, 0, yyvsp[-1].opval); } +break; +case 156: +#line 588 "perly.y" +{ yyval.opval = pmruntime(yyvsp[-3].opval, yyvsp[-1].opval, Nullop); } +break; +case 157: +#line 590 "perly.y" +{ yyval.opval = pmruntime(yyvsp[-5].opval, yyvsp[-3].opval, yyvsp[-1].opval); } +break; +case 160: +#line 596 "perly.y" +{ yyval.opval = Nullop; } +break; +case 161: +#line 598 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 162: +#line 602 "perly.y" +{ yyval.opval = Nullop; } +break; +case 163: +#line 604 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +case 164: +#line 606 "perly.y" +{ yyval.opval = yyvsp[-1].opval; } +break; +case 165: +#line 609 "perly.y" +{ yyval.ival = 0; } +break; +case 166: +#line 610 "perly.y" +{ yyval.ival = 1; } +break; +case 167: +#line 614 "perly.y" +{ PL_in_my = 0; yyval.opval = my(yyvsp[0].opval); } +break; +case 168: +#line 618 "perly.y" +{ yyval.opval = newCVREF(yyvsp[-1].ival,yyvsp[0].opval); } +break; +case 169: +#line 622 "perly.y" +{ yyval.opval = newSVREF(yyvsp[0].opval); } +break; +case 170: +#line 626 "perly.y" +{ yyval.opval = newAVREF(yyvsp[0].opval); } +break; +case 171: +#line 630 "perly.y" +{ yyval.opval = newHVREF(yyvsp[0].opval); } +break; +case 172: +#line 634 "perly.y" +{ yyval.opval = newAVREF(yyvsp[0].opval); } +break; +case 173: +#line 638 "perly.y" +{ yyval.opval = newGVREF(0,yyvsp[0].opval); } +break; +case 174: +#line 642 "perly.y" +{ yyval.opval = scalar(yyvsp[0].opval); } +break; +case 175: +#line 644 "perly.y" +{ yyval.opval = scalar(yyvsp[0].opval); } +break; +case 176: +#line 646 "perly.y" +{ yyval.opval = scope(yyvsp[0].opval); } +break; +case 177: +#line 649 "perly.y" +{ yyval.opval = yyvsp[0].opval; } +break; +#line 2329 "perly.c" } + yyssp -= yym; + yystate = *yyssp; + yyvsp -= yym; + yym = yylhs[yyn]; + if (yystate == 0 && yym == 0) + { +#if YYDEBUG + if (yydebug) + PerlIO_printf(Perl_debug_log, + "yydebug: after reduction, shifting from state 0 to state %d\n", + YYFINAL); #endif - evalstatic(arg); /* see if we can consolidate anything */ - return arg; -} - -/* turn 123 into 123 == $. */ - -ARG * -flipflip(arg) -register ARG *arg; -{ - if (arg && arg->arg_type == O_ITEM && arg[1].arg_type == A_SINGLE) { - arg = (ARG*)saferealloc((char*)arg,3*sizeof(ARG)); - arg->arg_type = O_EQ; - arg->arg_len = 2; - arg[2].arg_type = A_STAB; - arg[2].arg_flags = 0; - arg[2].arg_ptr.arg_stab = stabent(".",TRUE); - } - return arg; -} - -void -evalstatic(arg) -register ARG *arg; -{ - register STR *str; - register STR *s1; - register STR *s2; - double value; /* must not be register */ - register char *tmps; - int i; - double exp(), log(), sqrt(), modf(); - char *crypt(); - - if (!arg || !arg->arg_len) - return; - - if (arg[1].arg_type == A_SINGLE && - (arg->arg_len == 1 || arg[2].arg_type == A_SINGLE) ) { - str = str_new(0); - s1 = arg[1].arg_ptr.arg_str; - if (arg->arg_len > 1) - s2 = arg[2].arg_ptr.arg_str; - else - s2 = Nullstr; - switch (arg->arg_type) { - default: - str_free(str); - str = Nullstr; /* can't be evaluated yet */ - break; - case O_CONCAT: - str_sset(str,s1); - str_scat(str,s2); - break; - case O_REPEAT: - i = (int)str_gnum(s2); - while (i--) - str_scat(str,s1); - break; - case O_MULTIPLY: - value = str_gnum(s1); - str_numset(str,value * str_gnum(s2)); - break; - case O_DIVIDE: - value = str_gnum(s1); - str_numset(str,value / str_gnum(s2)); - break; - case O_MODULO: - value = str_gnum(s1); - str_numset(str,(double)(((long)value) % ((long)str_gnum(s2)))); - break; - case O_ADD: - value = str_gnum(s1); - str_numset(str,value + str_gnum(s2)); - break; - case O_SUBTRACT: - value = str_gnum(s1); - str_numset(str,value - str_gnum(s2)); - break; - case O_LEFT_SHIFT: - value = str_gnum(s1); - str_numset(str,(double)(((long)value) << ((long)str_gnum(s2)))); - break; - case O_RIGHT_SHIFT: - value = str_gnum(s1); - str_numset(str,(double)(((long)value) >> ((long)str_gnum(s2)))); - break; - case O_LT: - value = str_gnum(s1); - str_numset(str,(double)(value < str_gnum(s2))); - break; - case O_GT: - value = str_gnum(s1); - str_numset(str,(double)(value > str_gnum(s2))); - break; - case O_LE: - value = str_gnum(s1); - str_numset(str,(double)(value <= str_gnum(s2))); - break; - case O_GE: - value = str_gnum(s1); - str_numset(str,(double)(value >= str_gnum(s2))); - break; - case O_EQ: - value = str_gnum(s1); - str_numset(str,(double)(value == str_gnum(s2))); - break; - case O_NE: - value = str_gnum(s1); - str_numset(str,(double)(value != str_gnum(s2))); - break; - case O_BIT_AND: - value = str_gnum(s1); - str_numset(str,(double)(((long)value) & ((long)str_gnum(s2)))); - break; - case O_XOR: - value = str_gnum(s1); - str_numset(str,(double)(((long)value) ^ ((long)str_gnum(s2)))); - break; - case O_BIT_OR: - value = str_gnum(s1); - str_numset(str,(double)(((long)value) | ((long)str_gnum(s2)))); - break; - case O_AND: - if (str_true(s1)) - str = str_make(str_get(s2)); - else - str = str_make(str_get(s1)); - break; - case O_OR: - if (str_true(s1)) - str = str_make(str_get(s1)); - else - str = str_make(str_get(s2)); - break; - case O_COND_EXPR: - if (arg[3].arg_type != A_SINGLE) { - str_free(str); - str = Nullstr; - } - else { - str = str_make(str_get(str_true(s1) ? s2 : arg[3].arg_ptr.arg_str)); - str_free(arg[3].arg_ptr.arg_str); - } - break; - case O_NEGATE: - str_numset(str,(double)(-str_gnum(s1))); - break; - case O_NOT: - str_numset(str,(double)(!str_true(s1))); - break; - case O_COMPLEMENT: - str_numset(str,(double)(~(long)str_gnum(s1))); - break; - case O_LENGTH: - str_numset(str, (double)str_len(s1)); - break; - case O_SUBSTR: - if (arg[3].arg_type != A_SINGLE || stabent("[",FALSE)) { - str_free(str); /* making the fallacious assumption */ - str = Nullstr; /* that any $[ occurs before substr()*/ - } - else { - char *beg; - int len = (int)str_gnum(s2); - int tmp; - - for (beg = str_get(s1); *beg && len > 0; beg++,len--) ; - len = (int)str_gnum(arg[3].arg_ptr.arg_str); - str_free(arg[3].arg_ptr.arg_str); - if (len > (tmp = strlen(beg))) - len = tmp; - str_nset(str,beg,len); - } - break; - case O_SLT: - tmps = str_get(s1); - str_numset(str,(double)(strLT(tmps,str_get(s2)))); - break; - case O_SGT: - tmps = str_get(s1); - str_numset(str,(double)(strGT(tmps,str_get(s2)))); - break; - case O_SLE: - tmps = str_get(s1); - str_numset(str,(double)(strLE(tmps,str_get(s2)))); - break; - case O_SGE: - tmps = str_get(s1); - str_numset(str,(double)(strGE(tmps,str_get(s2)))); - break; - case O_SEQ: - tmps = str_get(s1); - str_numset(str,(double)(strEQ(tmps,str_get(s2)))); - break; - case O_SNE: - tmps = str_get(s1); - str_numset(str,(double)(strNE(tmps,str_get(s2)))); - break; - case O_CRYPT: - tmps = str_get(s1); - str_set(str,crypt(tmps,str_get(s2))); - break; - case O_EXP: - str_numset(str,exp(str_gnum(s1))); - break; - case O_LOG: - str_numset(str,log(str_gnum(s1))); - break; - case O_SQRT: - str_numset(str,sqrt(str_gnum(s1))); - break; - case O_INT: - modf(str_gnum(s1),&value); - str_numset(str,value); - break; - case O_ORD: - str_numset(str,(double)(*str_get(s1))); - break; - } - if (str) { - arg->arg_type = O_ITEM; /* note arg1 type is already SINGLE */ - str_free(s1); - str_free(s2); - arg[1].arg_ptr.arg_str = str; - } - } -} - -ARG * -l(arg) -register ARG *arg; -{ - register int i; - register ARG *arg1; - - arg->arg_flags |= AF_COMMON; /* XXX should cross-match */ - - /* see if it's an array reference */ - - if (arg[1].arg_type == A_EXPR) { - arg1 = arg[1].arg_ptr.arg_arg; - - if (arg1->arg_type == O_LIST && arg->arg_type != O_ITEM) { - /* assign to list */ - arg[1].arg_flags |= AF_SPECIAL; - arg[2].arg_flags |= AF_SPECIAL; - for (i = arg1->arg_len; i >= 1; i--) { - switch (arg1[i].arg_type) { - case A_STAB: case A_LVAL: - arg1[i].arg_type = A_LVAL; - break; - case A_EXPR: case A_LEXPR: - arg1[i].arg_type = A_LEXPR; - if (arg1[i].arg_ptr.arg_arg->arg_type == O_ARRAY) - arg1[i].arg_ptr.arg_arg->arg_type = O_LARRAY; - else if (arg1[i].arg_ptr.arg_arg->arg_type == O_HASH) - arg1[i].arg_ptr.arg_arg->arg_type = O_LHASH; - if (arg1[i].arg_ptr.arg_arg->arg_type == O_LARRAY) - break; - if (arg1[i].arg_ptr.arg_arg->arg_type == O_LHASH) - break; - /* FALL THROUGH */ - default: - sprintf(tokenbuf, - "Illegal item (%s) as lvalue",argname[arg1[i].arg_type]); - yyerror(tokenbuf); - } - } - } - else if (arg1->arg_type == O_ARRAY) { - if (arg1->arg_len == 1 && arg->arg_type != O_ITEM) { - /* assign to array */ - arg[1].arg_flags |= AF_SPECIAL; - arg[2].arg_flags |= AF_SPECIAL; - } - else - arg1->arg_type = O_LARRAY; /* assign to array elem */ - } - else if (arg1->arg_type == O_HASH) - arg1->arg_type = O_LHASH; - else { - sprintf(tokenbuf, - "Illegal expression (%s) as lvalue",opname[arg1->arg_type]); - yyerror(tokenbuf); - } - arg[1].arg_type = A_LEXPR; -#ifdef DEBUGGING - if (debug & 16) - fprintf(stderr,"lval LEXPR\n"); + yystate = YYFINAL; + *++yyssp = YYFINAL; + *++yyvsp = yyval; + if (yychar < 0) + { + if ((yychar = yylex()) < 0) yychar = 0; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + PerlIO_printf(Perl_debug_log, "yydebug: state %d, reading %d (%s)\n", + YYFINAL, yychar, yys); + } #endif - return arg; - } - - /* not an array reference, should be a register name */ - - if (arg[1].arg_type != A_STAB && arg[1].arg_type != A_LVAL) { - sprintf(tokenbuf, - "Illegal item (%s) as lvalue",argname[arg[1].arg_type]); - yyerror(tokenbuf); + } + if (yychar == 0) goto yyaccept; + goto yyloop; } - arg[1].arg_type = A_LVAL; -#ifdef DEBUGGING - if (debug & 16) - fprintf(stderr,"lval LVAL\n"); + if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yystate) + yystate = yytable[yyn]; + else + yystate = yydgoto[yym]; +#if YYDEBUG + if (yydebug) + PerlIO_printf(Perl_debug_log, + "yydebug: after reduction, shifting from state %d to state %d\n", + *yyssp, yystate); #endif - return arg; -} - -ARG * -addflags(i,flags,arg) -register ARG *arg; -{ - arg[i].arg_flags |= flags; - return arg; -} - -ARG * -hide_ary(arg) -ARG *arg; -{ - if (arg->arg_type == O_ARRAY) - return make_op(O_ITEM,1,arg,Nullarg,Nullarg,0); - return arg; -} - -ARG * -make_list(arg) -register ARG *arg; -{ - register int i; - register ARG *node; - register ARG *nxtnode; - register int j; - STR *tmpstr; - - if (!arg) { - arg = op_new(0); - arg->arg_type = O_LIST; + if (yyssp >= yyss + yystacksize - 1) + { + /* + ** reallocate and recover. Note that pointers + ** have to be reset, or bad things will happen + */ + int yyps_index = (yyssp - yyss); + int yypv_index = (yyvsp - yyvs); + yystacksize += YYSTACKSIZE; + ysave->yyvs = yyvs = + (YYSTYPE*)PerlMem_realloc((char*)yyvs,yystacksize * sizeof(YYSTYPE)); + ysave->yyss = yyss = + (short*)PerlMem_realloc((char*)yyss,yystacksize * sizeof(short)); + if (!yyvs || !yyss) + goto yyoverflow; + yyssp = yyss + yyps_index; + yyvsp = yyvs + yypv_index; } - if (arg->arg_type != O_COMMA) { - arg->arg_flags |= AF_LISTISH; /* see listish() below */ - return arg; - } - for (i = 2, node = arg; ; i++) { - if (node->arg_len < 2) - break; - if (node[2].arg_type != A_EXPR) - break; - node = node[2].arg_ptr.arg_arg; - if (node->arg_type != O_COMMA) - break; - } - if (i > 2) { - node = arg; - arg = op_new(i); - tmpstr = arg->arg_ptr.arg_str; - *arg = *node; /* copy everything except the STR */ - arg->arg_ptr.arg_str = tmpstr; - for (j = 1; ; ) { - arg[j++] = node[1]; - if (j >= i) { - arg[j] = node[2]; - free_arg(node); - break; - } - nxtnode = node[2].arg_ptr.arg_arg; - free_arg(node); - node = nxtnode; - } - } - arg->arg_type = O_LIST; - arg->arg_len = i; - return arg; -} - -/* turn a single item into a list */ - -ARG * -listish(arg) -ARG *arg; -{ - if (arg->arg_flags & AF_LISTISH) - arg = make_op(O_LIST,1,arg,Nullarg,Nullarg,0); - return arg; -} - -ARG * -stab_to_arg(atype,stab) -int atype; -register STAB *stab; -{ - register ARG *arg; - - arg = op_new(1); - arg->arg_type = O_ITEM; - arg[1].arg_type = atype; - arg[1].arg_ptr.arg_stab = stab; - return arg; -} - -ARG * -cval_to_arg(cval) -register char *cval; -{ - register ARG *arg; - - arg = op_new(1); - arg->arg_type = O_ITEM; - arg[1].arg_type = A_SINGLE; - arg[1].arg_ptr.arg_str = str_make(cval); - safefree(cval); - return arg; -} - -ARG * -op_new(numargs) -int numargs; -{ - register ARG *arg; - - arg = (ARG*)safemalloc((numargs + 1) * sizeof (ARG)); - bzero((char *)arg, (numargs + 1) * sizeof (ARG)); - arg->arg_ptr.arg_str = str_new(0); - arg->arg_len = numargs; - return arg; -} - -void -free_arg(arg) -ARG *arg; -{ - str_free(arg->arg_ptr.arg_str); - safefree((char*)arg); + *++yyssp = yystate; + *++yyvsp = yyval; + goto yyloop; +yyoverflow: + yyerror("Out of memory for yacc stack"); +yyabort: + retval = 1; +yyaccept: + return retval; } -ARG * -make_match(type,expr,spat) -int type; -ARG *expr; -SPAT *spat; -{ - register ARG *arg; - - arg = make_op(type,2,expr,Nullarg,Nullarg,0); - arg[2].arg_type = A_SPAT; - arg[2].arg_ptr.arg_spat = spat; -#ifdef DEBUGGING - if (debug & 16) - fprintf(stderr,"make_match SPAT=%lx\n",spat); +#ifdef PERL_OBJECT +#define NO_XSLOCKS +#include "XSUB.h" #endif - if (type == O_SUBST || type == O_NSUBST) { - if (arg[1].arg_type != A_STAB) - yyerror("Illegal lvalue"); - arg[1].arg_type = A_LVAL; - } - return arg; -} - -ARG * -cmd_to_arg(cmd) -CMD *cmd; -{ - register ARG *arg; - - arg = op_new(1); - arg->arg_type = O_ITEM; - arg[1].arg_type = A_CMD; - arg[1].arg_ptr.arg_cmd = cmd; - return arg; -} - -CMD * -wopt(cmd) -register CMD *cmd; +static void +yydestruct(pTHXo_ void *ptr) { - register CMD *tail; - register ARG *arg = cmd->c_expr; - char *tmps; /* used by True macro */ - - /* hoist "while ()" up into command block */ - - if (arg && arg->arg_type == O_ITEM && arg[1].arg_type == A_READ) { - cmd->c_flags &= ~CF_OPTIMIZE; /* clear optimization type */ - cmd->c_flags |= CFT_GETS; /* and set it to do the input */ - cmd->c_stab = arg[1].arg_ptr.arg_stab; - if (arg[1].arg_ptr.arg_stab->stab_io->flags & IOF_ARGV) { - cmd->c_expr = l(make_op(O_ASSIGN, 2, /* fake up "$_ =" */ - stab_to_arg(A_LVAL,defstab), arg, Nullarg,1 )); - } - else { - free_arg(arg); - cmd->c_expr = Nullarg; - } - } - - /* First find the end of the true list */ - - if (cmd->ucmd.ccmd.cc_true == Nullcmd) - return cmd; - for (tail = cmd->ucmd.ccmd.cc_true; tail->c_next; tail = tail->c_next) ; - - /* if there's a continue block, link it to true block and find end */ - - if (cmd->ucmd.ccmd.cc_alt != Nullcmd) { - tail->c_next = cmd->ucmd.ccmd.cc_alt; - for ( ; tail->c_next; tail = tail->c_next) ; - } - - /* Here's the real trick: link the end of the list back to the beginning, - * inserting a "last" block to break out of the loop. This saves one or - * two procedure calls every time through the loop, because of how cmd_exec - * does tail recursion. - */ - - tail->c_next = (CMD *) safemalloc(sizeof (CMD)); - tail = tail->c_next; - if (!cmd->ucmd.ccmd.cc_alt) - cmd->ucmd.ccmd.cc_alt = tail; /* every loop has a continue now */ - - bcopy((char *)cmd, (char *)tail, sizeof(CMD)); - tail->c_type = C_EXPR; - tail->c_flags ^= CF_INVERT; /* turn into "last unless" */ - tail->c_next = tail->ucmd.ccmd.cc_true; /* loop directly back to top */ - tail->ucmd.acmd.ac_expr = make_op(O_LAST,0,Nullarg,Nullarg,Nullarg,0); - tail->ucmd.acmd.ac_stab = Nullstab; - return cmd; -} - -FCMD * -load_format() -{ - FCMD froot; - FCMD *flinebeg; - register FCMD *fprev = &froot; - register FCMD *fcmd; - register char *s; - register char *t; - register char tmpchar; - bool noblank; - - while ((s = str_gets(linestr,rsfp)) != Nullch) { - line++; - if (strEQ(s,".\n")) { - bufptr = s; - return froot.f_next; - } - if (*s == '#') - continue; - flinebeg = Nullfcmd; - noblank = FALSE; - while (*s) { - fcmd = (FCMD *)safemalloc(sizeof (FCMD)); - bzero((char*)fcmd, sizeof (FCMD)); - fprev->f_next = fcmd; - fprev = fcmd; - for (t=s; *t && *t != '@' && *t != '^'; t++) { - if (*t == '~') { - noblank = TRUE; - *t = ' '; - } - } - tmpchar = *t; - *t = '\0'; - fcmd->f_pre = savestr(s); - fcmd->f_presize = strlen(s); - *t = tmpchar; - s = t; - if (!*s) { - if (noblank) - fcmd->f_flags |= FC_NOBLANK; - break; - } - if (!flinebeg) - flinebeg = fcmd; /* start values here */ - if (*s++ == '^') - fcmd->f_flags |= FC_CHOP; /* for doing text filling */ - switch (*s) { - case '*': - fcmd->f_type = F_LINES; - *s = '\0'; - break; - case '<': - fcmd->f_type = F_LEFT; - while (*s == '<') - s++; - break; - case '>': - fcmd->f_type = F_RIGHT; - while (*s == '>') - s++; - break; - case '|': - fcmd->f_type = F_CENTER; - while (*s == '|') - s++; - break; - default: - fcmd->f_type = F_LEFT; - break; - } - if (fcmd->f_flags & FC_CHOP && *s == '.') { - fcmd->f_flags |= FC_MORE; - while (*s == '.') - s++; - } - fcmd->f_size = s-t; - } - if (flinebeg) { - again: - if ((bufptr = str_gets(linestr ,rsfp)) == Nullch) - goto badform; - line++; - if (strEQ(bufptr,".\n")) { - yyerror("Missing values line"); - return froot.f_next; - } - if (*bufptr == '#') - goto again; - lex_newlines = TRUE; - while (flinebeg || *bufptr) { - switch(yylex()) { - default: - yyerror("Bad value in format"); - *bufptr = '\0'; - break; - case '\n': - if (flinebeg) - yyerror("Missing value in format"); - *bufptr = '\0'; - break; - case REG: - yylval.arg = stab_to_arg(A_LVAL,yylval.stabval); - /* FALL THROUGH */ - case RSTRING: - if (!flinebeg) - yyerror("Extra value in format"); - else { - flinebeg->f_expr = yylval.arg; - do { - flinebeg = flinebeg->f_next; - } while (flinebeg && flinebeg->f_size == 0); - } - break; - case ',': case ';': - continue; - } - } - lex_newlines = FALSE; - } - } - badform: - bufptr = str_get(linestr); - yyerror("Format not terminated"); - return froot.f_next; + struct ysv* ysave = (struct ysv*)ptr; + if (ysave->yyss) Safefree(ysave->yyss); + if (ysave->yyvs) Safefree(ysave->yyvs); + yydebug = ysave->oldyydebug; + yynerrs = ysave->oldyynerrs; + yyerrflag = ysave->oldyyerrflag; + yychar = ysave->oldyychar; + yyval = ysave->oldyyval; + yylval = ysave->oldyylval; + Safefree(ysave); }