home *** CD-ROM | disk | FTP | other *** search
-
- /* A Bison parser, made from ./awk.y
- by GNU Bison version 1.25
- */
-
- #define YYBISON 1 /* Identify Bison output. */
-
- #define FUNC_CALL 258
- #define NAME 259
- #define REGEXP 260
- #define ERROR 261
- #define YNUMBER 262
- #define YSTRING 263
- #define RELOP 264
- #define APPEND_OP 265
- #define ASSIGNOP 266
- #define MATCHOP 267
- #define NEWLINE 268
- #define CONCAT_OP 269
- #define LEX_BEGIN 270
- #define LEX_END 271
- #define LEX_IF 272
- #define LEX_ELSE 273
- #define LEX_RETURN 274
- #define LEX_DELETE 275
- #define LEX_WHILE 276
- #define LEX_DO 277
- #define LEX_FOR 278
- #define LEX_BREAK 279
- #define LEX_CONTINUE 280
- #define LEX_PRINT 281
- #define LEX_PRINTF 282
- #define LEX_NEXT 283
- #define LEX_EXIT 284
- #define LEX_FUNCTION 285
- #define LEX_GETLINE 286
- #define LEX_NEXTFILE 287
- #define LEX_IN 288
- #define LEX_AND 289
- #define LEX_OR 290
- #define INCREMENT 291
- #define DECREMENT 292
- #define LEX_BUILTIN 293
- #define LEX_LENGTH 294
- #define UNARY 295
-
- #line 26 "./awk.y"
-
- #ifdef DEBUG
- #define YYDEBUG 12
- #endif
-
- #include "awk.h"
-
- #define CAN_FREE TRUE
- #define DONT_FREE FALSE
-
- #if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
- static void yyerror(const char *m, ...) ;
- #else
- static void yyerror(); /* va_alist */
- #endif
- static char *get_src_buf P((void));
- static int yylex P((void));
- static NODE *node_common P((NODETYPE op));
- static NODE *snode P((NODE *subn, NODETYPE op, int sindex));
- static NODE *mkrangenode P((NODE *cpair));
- static NODE *make_for_loop P((NODE *init, NODE *cond, NODE *incr));
- static NODE *append_right P((NODE *list, NODE *new));
- static void func_install P((NODE *params, NODE *def));
- static void pop_var P((NODE *np, int freeit));
- static void pop_params P((NODE *params));
- static NODE *make_param P((char *name));
- static NODE *mk_rexp P((NODE *exp));
- static int dup_parms P((NODE *func));
- static void param_sanity P((NODE *arglist));
- static int isnoeffect P((NODETYPE t));
- static int isassignable P((NODE *n));
-
- enum defref { FUNC_DEFINE, FUNC_USE };
- static void func_use P((char *name, enum defref how));
- static void check_funcs P((void));
-
- static int want_assign; /* lexical scanning kludge */
- static int want_regexp; /* lexical scanning kludge */
- static int can_return; /* lexical scanning kludge */
- static int io_allowed = TRUE; /* lexical scanning kludge */
- static char *lexptr; /* pointer to next char during parsing */
- static char *lexend;
- static char *lexptr_begin; /* keep track of where we were for error msgs */
- static char *lexeme; /* beginning of lexeme for debugging */
- static char *thisline = NULL;
- #define YYDEBUG_LEXER_TEXT (lexeme)
- static int param_counter;
- static char *tokstart = NULL;
- static char *tok = NULL;
- static char *tokend;
-
- #define HASHSIZE 1021 /* this constant only used here */
- NODE *variables[HASHSIZE];
-
- extern char *source;
- extern int sourceline;
- extern struct src *srcfiles;
- extern int numfiles;
- extern int errcount;
- extern NODE *begin_block;
- extern NODE *end_block;
-
- #line 89 "./awk.y"
- typedef union {
- long lval;
- AWKNUM fval;
- NODE *nodeval;
- NODETYPE nodetypeval;
- char *sval;
- NODE *(*ptrval)();
- } YYSTYPE;
- #include <stdio.h>
-
- #ifndef __cplusplus
- #ifndef __STDC__
- #define const
- #endif
- #endif
-
-
-
- #define YYFINAL 312
- #define YYFLAG -32768
- #define YYNTBASE 62
-
- #define YYTRANSLATE(x) ((unsigned)(x) <= 295 ? yytranslate[x] : 107)
-
- static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 51, 2, 2, 54, 50, 2, 2, 55,
- 56, 48, 46, 42, 47, 2, 49, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 41, 61, 43,
- 2, 44, 40, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 57, 2, 58, 53, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 59, 45, 60, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 52
- };
-
- #if YYDEBUG != 0
- static const short yyprhs[] = { 0,
- 0, 4, 6, 9, 11, 14, 15, 16, 20, 21,
- 25, 28, 31, 34, 36, 39, 42, 44, 46, 48,
- 50, 52, 53, 61, 66, 71, 73, 77, 78, 83,
- 89, 94, 96, 99, 101, 104, 106, 109, 112, 115,
- 119, 121, 128, 137, 146, 157, 167, 170, 173, 180,
- 185, 189, 192, 196, 197, 202, 209, 213, 216, 218,
- 220, 227, 237, 239, 242, 243, 245, 246, 249, 250,
- 253, 256, 259, 260, 262, 264, 268, 270, 273, 277,
- 278, 280, 281, 283, 285, 289, 291, 294, 298, 302,
- 303, 305, 307, 311, 313, 316, 320, 324, 325, 330,
- 336, 341, 345, 349, 353, 357, 359, 362, 366, 370,
- 374, 378, 384, 386, 389, 390, 395, 399, 403, 407,
- 409, 412, 416, 420, 424, 430, 432, 435, 437, 441,
- 445, 449, 453, 457, 461, 464, 467, 470, 474, 479,
- 484, 486, 491, 493, 496, 499, 501, 503, 506, 509,
- 510, 512, 514, 519, 522, 525, 528, 530, 531, 533,
- 535
- };
-
- static const short yyrhs[] = { 83,
- 63, 83, 0, 64, 0, 63, 64, 0, 1, 0,
- 63, 1, 0, 0, 0, 15, 65, 75, 0, 0,
- 16, 66, 75, 0, 15, 77, 0, 16, 77, 0,
- 72, 75, 0, 75, 0, 72, 77, 0, 69, 71,
- 0, 4, 0, 3, 0, 68, 0, 38, 0, 39,
- 0, 0, 30, 70, 67, 55, 86, 103, 83, 0,
- 101, 76, 102, 104, 0, 101, 102, 104, 83, 0,
- 93, 0, 93, 42, 93, 0, 0, 49, 74, 5,
- 49, 0, 101, 76, 102, 104, 83, 0, 101, 102,
- 104, 83, 0, 78, 0, 76, 78, 0, 1, 0,
- 76, 1, 0, 82, 0, 105, 83, 0, 105, 83,
- 0, 101, 102, 0, 101, 76, 102, 0, 81, 0,
- 21, 55, 93, 103, 83, 78, 0, 22, 83, 78,
- 21, 55, 93, 103, 83, 0, 23, 55, 4, 33,
- 4, 103, 83, 78, 0, 23, 55, 88, 105, 93,
- 105, 88, 103, 83, 78, 0, 23, 55, 88, 105,
- 105, 88, 103, 83, 78, 0, 24, 77, 0, 25,
- 77, 0, 80, 55, 92, 103, 85, 77, 0, 80,
- 89, 85, 77, 0, 28, 88, 77, 0, 32, 77,
- 0, 29, 88, 77, 0, 0, 19, 79, 88, 77,
- 0, 20, 4, 57, 92, 58, 77, 0, 20, 4,
- 77, 0, 93, 77, 0, 26, 0, 27, 0, 17,
- 55, 93, 103, 83, 78, 0, 17, 55, 93, 103,
- 83, 78, 18, 83, 78, 0, 13, 0, 82, 13,
- 0, 0, 82, 0, 0, 43, 97, 0, 0, 44,
- 93, 0, 10, 93, 0, 45, 93, 0, 0, 87,
- 0, 4, 0, 87, 106, 4, 0, 1, 0, 87,
- 1, 0, 87, 106, 1, 0, 0, 93, 0, 0,
- 90, 0, 95, 0, 90, 106, 95, 0, 1, 0,
- 90, 1, 0, 90, 1, 95, 0, 90, 106, 1,
- 0, 0, 92, 0, 93, 0, 92, 106, 93, 0,
- 1, 0, 92, 1, 0, 92, 1, 93, 0, 92,
- 106, 1, 0, 0, 100, 11, 94, 93, 0, 55,
- 92, 103, 33, 4, 0, 93, 45, 31, 99, 0,
- 31, 99, 84, 0, 93, 34, 93, 0, 93, 35,
- 93, 0, 93, 12, 93, 0, 73, 0, 51, 73,
- 0, 93, 33, 4, 0, 93, 9, 93, 0, 93,
- 43, 93, 0, 93, 44, 93, 0, 93, 40, 93,
- 41, 93, 0, 97, 0, 93, 97, 0, 0, 100,
- 11, 96, 95, 0, 95, 34, 95, 0, 95, 35,
- 95, 0, 31, 99, 84, 0, 73, 0, 51, 73,
- 0, 95, 12, 95, 0, 95, 33, 4, 0, 95,
- 9, 95, 0, 95, 40, 95, 41, 95, 0, 97,
- 0, 95, 97, 0, 98, 0, 97, 53, 97, 0,
- 97, 48, 97, 0, 97, 49, 97, 0, 97, 50,
- 97, 0, 97, 46, 97, 0, 97, 47, 97, 0,
- 100, 36, 0, 100, 37, 0, 51, 97, 0, 55,
- 93, 103, 0, 38, 55, 91, 103, 0, 39, 55,
- 91, 103, 0, 39, 0, 3, 55, 91, 103, 0,
- 100, 0, 36, 100, 0, 37, 100, 0, 7, 0,
- 8, 0, 47, 97, 0, 46, 97, 0, 0, 100,
- 0, 4, 0, 4, 57, 92, 58, 0, 54, 98,
- 0, 59, 83, 0, 60, 83, 0, 56, 0, 0,
- 105, 0, 61, 0, 42, 83, 0
- };
-
- #endif
-
- #if YYDEBUG != 0
- static const short yyrline[] = { 0,
- 150, 158, 166, 182, 183, 184, 188, 190, 204, 206,
- 220, 226, 232, 234, 236, 249, 258, 260, 262, 272,
- 273, 277, 281, 296, 301, 310, 312, 321, 323, 341,
- 343, 348, 354, 362, 364, 369, 370, 374, 376, 378,
- 380, 382, 384, 386, 392, 396, 401, 404, 407, 409,
- 429, 468, 487, 489, 494, 496, 498, 512, 517, 519,
- 524, 529, 536, 538, 542, 543, 547, 549, 554, 556,
- 558, 560, 565, 567, 572, 574, 576, 578, 580, 586,
- 588, 593, 595, 600, 602, 608, 610, 612, 614, 619,
- 621, 626, 628, 634, 636, 638, 640, 645, 648, 653,
- 655, 660, 666, 668, 670, 676, 686, 694, 696, 702,
- 704, 706, 708, 710, 715, 718, 719, 721, 723, 729,
- 731, 733, 735, 737, 739, 741, 743, 748, 750, 752,
- 754, 756, 758, 760, 762, 764, 769, 771, 773, 776,
- 778, 786, 793, 794, 796, 798, 800, 803, 811, 822,
- 824, 829, 831, 839, 844, 848, 852, 856, 857, 861,
- 864
- };
- #endif
-
-
- #if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
-
- static const char * const yytname[] = { "$","error","$undefined.","FUNC_CALL",
- "NAME","REGEXP","ERROR","YNUMBER","YSTRING","RELOP","APPEND_OP","ASSIGNOP","MATCHOP",
- "NEWLINE","CONCAT_OP","LEX_BEGIN","LEX_END","LEX_IF","LEX_ELSE","LEX_RETURN",
- "LEX_DELETE","LEX_WHILE","LEX_DO","LEX_FOR","LEX_BREAK","LEX_CONTINUE","LEX_PRINT",
- "LEX_PRINTF","LEX_NEXT","LEX_EXIT","LEX_FUNCTION","LEX_GETLINE","LEX_NEXTFILE",
- "LEX_IN","LEX_AND","LEX_OR","INCREMENT","DECREMENT","LEX_BUILTIN","LEX_LENGTH",
- "'?'","':'","','","'<'","'>'","'|'","'+'","'-'","'*'","'/'","'%'","'!'","UNARY",
- "'^'","'$'","'('","')'","'['","']'","'{'","'}'","';'","start","program","rule",
- "@1","@2","func_name","lex_builtin","function_prologue","@3","function_body",
- "pattern","regexp","@4","action","statements","statement_term","statement","@5",
- "print","if_statement","nls","opt_nls","input_redir","output_redir","opt_param_list",
- "param_list","opt_exp","opt_rexpression_list","rexpression_list","opt_expression_list",
- "expression_list","exp","@6","rexp","@7","simp_exp","non_post_simp_exp","opt_variable",
- "variable","l_brace","r_brace","r_paren","opt_semi","semi","comma", NULL
- };
- #endif
-
- static const short yyr1[] = { 0,
- 62, 63, 63, 63, 63, 63, 65, 64, 66, 64,
- 64, 64, 64, 64, 64, 64, 67, 67, 67, 68,
- 68, 70, 69, 71, 71, 72, 72, 74, 73, 75,
- 75, 76, 76, 76, 76, 77, 77, 78, 78, 78,
- 78, 78, 78, 78, 78, 78, 78, 78, 78, 78,
- 78, 78, 78, 79, 78, 78, 78, 78, 80, 80,
- 81, 81, 82, 82, 83, 83, 84, 84, 85, 85,
- 85, 85, 86, 86, 87, 87, 87, 87, 87, 88,
- 88, 89, 89, 90, 90, 90, 90, 90, 90, 91,
- 91, 92, 92, 92, 92, 92, 92, 94, 93, 93,
- 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
- 93, 93, 93, 93, 96, 95, 95, 95, 95, 95,
- 95, 95, 95, 95, 95, 95, 95, 97, 97, 97,
- 97, 97, 97, 97, 97, 97, 98, 98, 98, 98,
- 98, 98, 98, 98, 98, 98, 98, 98, 98, 99,
- 99, 100, 100, 100, 101, 102, 103, 104, 104, 105,
- 106
- };
-
- static const short yyr2[] = { 0,
- 3, 1, 2, 1, 2, 0, 0, 3, 0, 3,
- 2, 2, 2, 1, 2, 2, 1, 1, 1, 1,
- 1, 0, 7, 4, 4, 1, 3, 0, 4, 5,
- 4, 1, 2, 1, 2, 1, 2, 2, 2, 3,
- 1, 6, 8, 8, 10, 9, 2, 2, 6, 4,
- 3, 2, 3, 0, 4, 6, 3, 2, 1, 1,
- 6, 9, 1, 2, 0, 1, 0, 2, 0, 2,
- 2, 2, 0, 1, 1, 3, 1, 2, 3, 0,
- 1, 0, 1, 1, 3, 1, 2, 3, 3, 0,
- 1, 1, 3, 1, 2, 3, 3, 0, 4, 5,
- 4, 3, 3, 3, 3, 1, 2, 3, 3, 3,
- 3, 5, 1, 2, 0, 4, 3, 3, 3, 1,
- 2, 3, 3, 3, 5, 1, 2, 1, 3, 3,
- 3, 3, 3, 3, 2, 2, 2, 3, 4, 4,
- 1, 4, 1, 2, 2, 1, 1, 2, 2, 0,
- 1, 1, 4, 2, 2, 2, 1, 0, 1, 1,
- 2
- };
-
- static const short yydefact[] = { 65,
- 63, 66, 0, 64, 4, 0, 152, 146, 147, 7,
- 9, 22, 150, 0, 0, 0, 141, 0, 0, 28,
- 0, 0, 0, 65, 0, 2, 0, 0, 106, 14,
- 26, 113, 128, 143, 0, 0, 0, 160, 0, 11,
- 36, 65, 0, 12, 0, 67, 151, 144, 145, 0,
- 0, 0, 0, 149, 143, 148, 0, 107, 137, 154,
- 143, 94, 0, 92, 155, 5, 3, 1, 16, 0,
- 13, 15, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 114, 0, 0, 0, 0, 0, 0, 98,
- 135, 136, 34, 0, 54, 0, 0, 65, 0, 0,
- 0, 59, 60, 80, 80, 0, 65, 0, 32, 0,
- 41, 0, 0, 158, 65, 0, 0, 92, 0, 8,
- 37, 10, 18, 17, 20, 21, 0, 19, 0, 102,
- 0, 0, 0, 0, 95, 65, 157, 0, 0, 138,
- 0, 158, 109, 105, 108, 103, 104, 0, 27, 110,
- 111, 150, 133, 134, 130, 131, 132, 129, 0, 0,
- 80, 0, 0, 0, 80, 47, 48, 0, 81, 0,
- 52, 156, 35, 33, 158, 86, 150, 0, 0, 120,
- 69, 0, 84, 126, 143, 58, 0, 39, 65, 159,
- 38, 142, 153, 0, 68, 139, 140, 29, 96, 161,
- 0, 97, 93, 158, 65, 0, 101, 99, 0, 0,
- 0, 57, 0, 0, 152, 0, 51, 53, 65, 67,
- 121, 0, 0, 0, 0, 0, 87, 0, 0, 0,
- 0, 0, 0, 0, 127, 115, 40, 31, 77, 75,
- 0, 0, 100, 24, 25, 112, 65, 55, 0, 65,
- 0, 0, 0, 30, 119, 69, 71, 70, 72, 50,
- 88, 89, 85, 124, 122, 123, 117, 118, 0, 0,
- 65, 78, 0, 0, 0, 0, 0, 0, 0, 80,
- 0, 0, 116, 23, 79, 76, 61, 56, 42, 0,
- 65, 80, 0, 49, 125, 65, 65, 0, 0, 65,
- 0, 43, 44, 65, 0, 62, 0, 46, 45, 0,
- 0, 0
- };
-
- static const short yydefgoto[] = { 310,
- 25, 26, 39, 43, 127, 128, 27, 45, 69, 28,
- 29, 57, 30, 108, 40, 109, 161, 110, 111, 2,
- 3, 130, 226, 241, 242, 168, 181, 182, 116, 117,
- 112, 159, 183, 270, 32, 33, 46, 34, 113, 114,
- 140, 189, 42, 139
- };
-
- static const short yypact[] = { -6,
- -32768, 0, 875,-32768,-32768, -40, -38,-32768,-32768, -7,
- -7,-32768, 10, 10, 10, -31, -26, 1735, 1735,-32768,
- 1715, 1735, 1131, -6, 932,-32768, -24, 72,-32768,-32768,
- 1304, 205,-32768, 5, 709, 1110, 1131,-32768, -24,-32768,
- 0, -6, -24,-32768, 85, 3,-32768,-32768,-32768, 1110,
- 1110, 1735, 1620, 8, 106, 8, 81,-32768, 8,-32768,
- -32768,-32768, 37, 1250,-32768,-32768,-32768,-32768,-32768, 709,
- -32768,-32768, 1620, 1620, 90, 1620, 1620, 1620, 1620, 1620,
- 1620, 65, 205, 1735, 1735, 1735, 1735, 1735, 1735,-32768,
- -32768,-32768,-32768, 50,-32768, 111, 70, -6, 93, -7,
- -7,-32768,-32768, 1620, 1620, -7, -6, 758,-32768, 819,
- -32768, 1040, 709, 100, -6, 99, 55, 1402, 9,-32768,
- -32768,-32768,-32768,-32768,-32768,-32768, 109,-32768, 1735,-32768,
- 99, 99, 1250, 119, 1620, -6,-32768, 133, 1180,-32768,
- 758, 100, 1327, 794,-32768, 1515, 1451, 1353, 1402, 1327,
- 1327, 10, 125, 125, 8, 8, 8, 8, 1620, 1620,
- 1620, 42, 1620, 981, 1657,-32768,-32768, -7, 1402, -7,
- -32768,-32768,-32768,-32768, 100,-32768, 10, 1715, 1131,-32768,
- 96, 39, 1538, 205, 117,-32768, 758,-32768, -6,-32768,
- -32768,-32768,-32768, 7, 205,-32768,-32768,-32768, 1402,-32768,
- 166,-32768, 1402, 100, -6, 1620,-32768, 1402, 1250, -7,
- 1131,-32768, 1250, 151, -12, 100,-32768,-32768, -6, 3,
- -32768, 37, 1620, 1620, 1620, -7, 1678, 1201, 1678, 1678,
- 181, 1678, 1678, 1678, 205,-32768,-32768,-32768,-32768,-32768,
- 99, 56,-32768,-32768,-32768, 1402, -6,-32768, 11, -6,
- 131, 183, 1061,-32768,-32768, 96, 1402, 1402, 1402,-32768,
- 1538,-32768, 1538, 635, 83,-32768, 1599, 1579, 1474, 1678,
- -6,-32768, 103, 981, -7, 981, 1620, 99, 623, 1620,
- -7, 1678, 1538,-32768,-32768,-32768, 170,-32768,-32768, 1250,
- -6, 1620, 99,-32768, 1538, -6, -6, 981, 99, -6,
- 981,-32768,-32768, -6, 981,-32768, 981,-32768,-32768, 190,
- 191,-32768
- };
-
- static const short yypgoto[] = {-32768,
- -32768, 167,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
- 211,-32768, 107, -53, 315, -105,-32768,-32768,-32768, 199,
- 97, -22, -62,-32768,-32768, -103,-32768,-32768, 94, -14,
- -3,-32768, -202,-32768, 318, 177, -134, 95, 124, -69,
- 407, -138, 420, -177
- };
-
-
- #define YYLAST 1790
-
-
- static const short yytable[] = { 31,
- 142, 170, 174, 205, 228, 1, 1, 239, 63, 135,
- 240, 135, 4, 7, 36, 90, 141, 207, 37, 64,
- 252, 31, 119, 50, 261, 263, 264, 265, 51, 267,
- 268, 269, 118, 118, 24, 174, 219, 135, 175, 227,
- 91, 92, 220, 188, 37, 129, 118, 118, -83, 133,
- 136, -83, 136, 38, 1, 135, 272, 210, 214, 187,
- 89, 216, -73, 22, 273, 244, 193, 283, 275, 143,
- 144, 204, 146, 147, 148, 149, 150, 151, 136, 295,
- 136, 174, -83, -83, 1, 134, 7, 123, 124, 8,
- 9, 229, 137, 145,-32768, 152, 136, 136, 211, -83,
- 169, 169, 38, 285, 160, 223, 286, 47, 48, 49,
- -91, -74, 55, 55, 162, 55, 61, 237, 14, 15,
- 65, 68, 125, 126, 163, 55, 35, 236, 18, 19,
- 24, 199, 38, 52, 71, 203, 22, 53, 121, 224,
- 225, 91, 92, 131, 132, 120, 55, 165, 35, 122,
- 70, 35, 91, 92, 137, 208, 209, 169, 55, 213,
- 38, 169, 35, 194, 222, 201, 35, 198, 287, 243,
- 289, 251, 86, 87, 88, 64, 293, 89, 55, 55,
- 55, 55, 55, 55, 266, 277, 278, 296, 299, 311,
- 312, 67, 303, 281, 164, 306, 249, 255, 60, 308,
- 0, 309, 246, 172, 185, 0, 55, 118, 41, 41,
- 0, 191, 55, 0, 0, 0, 0, 0, 0, 257,
- 258, 259, 0, 55, 0, 0, 41, 55, 0, 0,
- 0, 58, 200, 0, 0, 0, 0, 55, 55, 0,
- 55, 55, 55, 55, 55, 55, 47, 0, 0, 279,
- 84, 85, 86, 87, 88, 0, 0, 89, 0, 0,
- 0, 0, 0, 55, 0, 0, 0, 0, 0, 0,
- 0, 47, 55, 290, 0, 0, 169, 55, 0, 0,
- 0, 0, 0, 0, 0, 238, 0, 0, 169, 0,
- 0, 0, 0, 55, 0, 0, 0, 55, 41, 41,
- 0, 245, 55, 55, 41, 0, 0, 55, 0, 0,
- 41, 0, 0, 0, 0, 254, 0, 0, 0, 0,
- 180, 185, 185, 185, 185, 44, 185, 185, 185, 0,
- 0, 0, 0, 0, 0, 54, 56, 0, 59, 0,
- 55, 0, 72, 274, 0, 0, 276, 0, 83, 0,
- 0, 55, 55, 55, 0, 55, 0, 55, 55, 55,
- 41, 55, 55, 55, 185, 0, 41, 284, 41, 59,
- 0, 0, 0, 55, 0, 0, 185, 55, 0, 0,
- 0, 83, 0, 0, 55, 0, 0, 298, 221, 55,
- 0, 0, 301, 302, 0, 0, 305, 0, 0, 0,
- 307, 153, 154, 155, 156, 157, 158, 0, 41, 0,
- 0, 0, 0, 0, 166, 167, 0, 0, 0, 0,
- 171, 0, 0, 0, 41, 0, 186, 184, 0, 83,
- 0, 0, 0, 0, 0, 83, 0, 180, 180, 180,
- 180, 0, 180, 180, 180, 0, 195, 0, 0, 0,
- 83, 0, 0, 0, 115, 0, 0, 0, 0, 0,
- 83, 83, 0, 83, 83, 83, 83, 83, 83, 138,
- 0, 0, 0, 41, 0, 0, 212, 0, 0, 41,
- 180, 0, 217, 0, 218, 0, 83, 0, 0, 115,
- 0, 0, 180, 0, 0, 59, 0, 0, 0, 0,
- 235, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 83, 0, 0, 0,
- 83, 0, 192, 0, 248, 83, 83, 115, 0, 0,
- 83, 0, 115, 190, 0, 0, 0, 196, 197, 0,
- 260, 0, 0, 0, 184, 184, 184, 184, 0, 184,
- 184, 184, 0, 0, 0, 0, 0, 0, 0, 0,
- 115, 190, 0, 83, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 83, 83, 83, 0, 235, 0,
- 235, 235, 235, 115, 235, 235, 235, 184, 0, 288,
- 0, 0, 0, 0, 190, 294, 83, 0, 0, 184,
- 235, 0, 0, 0, 0, 0, 115, 83, 0, 0,
- 0, 0, 235, 0, 0, 247, 0, 0, 0, 250,
- 0, 0, 0, 190, 0, 6, 7, 0, 256, 8,
- 9, 73, 0, 0, 74, 253, 0, 0, 7, 0,
- 0, 8, 9,-32768, 0, 0, 0, 271, 0, 0,
- 0, 0, 0, 0, 0, 75, 76, 77, 14, 15,
- 16, 17, 78, 0, 0, 80, 81, 82, 18, 19,
- 14, 15, 280, 52, 0, 0, 22, 53, 0, 0,
- 18, 19, 0, 38, 291, 52, 0, 0, 22, 53,
- 0, 0, 0, 115, 0, 115, 297, 0, 292, 300,
- 0, 0, 0, 0, 0, 304, 0, 0, 0, 93,
- 0, 6, 7, 0, 0, 8, 9, 115, 0, 0,
- 115, 0, 0, 0, 115, 94, 115, 95, 96, 97,
- 98, 99, 100, 101, 102, 103, 104, 105, 0, 13,
- 106, 0, 0, 0, 14, 15, 16, 17, 0, 0,
- 0, 0, 0, 0, 18, 19, 0, 20, 173, 21,
- 6, 7, 22, 23, 8, 9, 0, 24, 107, 38,
- 0, 0, 0, 0, 94, 0, 95, 96, 97, 98,
- 99, 100, 101, 102, 103, 104, 105, 0, 13, 106,
- 0, 0, 0, 14, 15, 16, 17, 7, 0, 0,
- 8, 9, 73, 18, 19,-32768, 20, 0, 21, 0,
- 0, 22, 23, 0, 0, 0, 24, 107, 38, 176,
- 0, 6, 7, 0, 0, 8, 9, 0, -82, 14,
- 15, -82, 0, 0, 0, 0, 80, 81, 82, 18,
- 19, 0, 0, 0, 52, 0, 0, 22, 53, 177,
- 0, 0, 0, 0, 14, 15, 16, 17, 0, 0,
- 0, 0, -82, -82, 18, 19, 0, 20, 0, 178,
- 0, 0, 22, 179, -6, 5, 0, 6, 7, -82,
- 0, 8, 9, 0, 0, 0, 0, -6, 0, 10,
- 11, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 12, 13, 0, 0, 0, 0,
- 14, 15, 16, 17, 0, 0, 0, 0, 0, 0,
- 18, 19, 0, 20, 0, 21, 0, 0, 22, 23,
- 0, -65, 66, 24, 6, 7, 0, 0, 8, 9,
- 0, 0, 0, 0, 1, 0, 10, 11, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 12, 13, 0, 0, 0, 0, 14, 15, 16,
- 17, 0, 0, 0, 0, 0, 0, 18, 19, 0,
- 20, 0, 21, 6, 7, 22, 23, 8, 9, 0,
- 24, 0, 0, 0, 0, 0, 0, 94, 0, 95,
- 96, 97, 98, 99, 100, 101, 102, 103, 104, 105,
- 0, 13, 106, 0, 0, 0, 14, 15, 16, 17,
- 0, 0, 0, 0, 0, 0, 18, 19, 0, 20,
- 0, 21, 0, 0, 22, 23, 0, 0, 0, 24,
- 0, 38, 6, 7, 0, 0, 8, 9, 73, 0,
- 0, 74, 1, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 6, 7, 0, 0, 8, 9, 0,
- 0, 0, 75, 76, 77, 14, 15, 16, 17, 78,
- 0, 0, 80, 81, 82, 18, 19, 0, 0, 0,
- 52, 13, 0, 22, 53, 0, 14, 15, 16, 17,
- 38, 0, 0, 0, 0, 0, 18, 19, 0, 20,
- 62, 21, 6, 7, 22, 23, 8, 9, 0, 0,
- 0, 38, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 62, 0, 6, 7, 0, 0, 8, 9, 0,
- 13, 0, 0, 0, 0, 14, 15, 16, 17, 0,
- 0, 0, 0, 0, 0, 18, 19, 0, 20, 0,
- 21, 13, 0, 22, 23, -90, 14, 15, 16, 17,
- 0, 0, 0, 0, 0, 0, 18, 19, 0, 20,
- 202, 21, 6, 7, 22, 23, 8, 9, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 262, 0, 6, 7, 0, 0, 8, 9, 0,
- 13, 0, 0, 0, 0, 14, 15, 16, 17, 0,
- 0, 0, 0, 0, 0, 18, 19, 0, 20, 0,
- 21, 177, 0, 22, 23, 0, 14, 15, 16, 17,
- 0, 0, 0, 0, 0, 0, 18, 19, 0, 20,
- 0, 178, 6, 7, 22, 53, 8, 9, 73, 0,
- 0, 74, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 75, 76, 77, 14, 15, 16, 17, 78,
- 0, 0, 80, 81, 82, 18, 19, 0, 0, 0,
- 52, 0, 0, 22, 53, 137, 6, 7, 0, 0,
- 8, 9, 73, 0, 0, 74, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 7, 0, 0, 8, 9,-32768, 75, 76, 77, 14,
- 15, 16, 17, 78, 0, 79, 80, 81, 82, 18,
- 19, 0, 0, 0, 52, 6, 7, 22, 53, 8,
- 9, 73, 14, 15, 74, 0, 0, 0, 0,-32768,
- -32768,-32768, 18, 19, 0, 0, 0, 52, 0, 0,
- 22, 53, 0, 0, 0, 75, 76, 77, 14, 15,
- 16, 17, 78, 206, 0, 80, 81, 82, 18, 19,
- 0, 0, 0, 52, 6, 7, 22, 53, 8, 9,
- 73, 0, 0, 74, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 75, 76, 77, 14, 15, 16,
- 17, 78, 0, 0, 80, 81, 82, 18, 19, 0,
- 0, 0, 52, 6, 7, 22, 53, 8, 9, 73,
- 0, 0, 74, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 6, 7, 0, 0,
- 8, 9, 229, 75, 76, 230, 14, 15, 16, 17,
- 0, 0, 0, 80, 81, 82, 18, 19, 0, 0,
- 0, 52, 0, 0, 22, 53, 231, 232, 233, 14,
- 15, 16, 17, 234, 282, 0, 0, 6, 7, 18,
- 19, 8, 9, 73, 52, 0, 74, 22, 53, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 6, 7, 0, 0, 8, 9, 229, 75, 0, 230,
- 14, 15, 16, 17, 0, 0, 0, 80, 81, 82,
- 18, 19, 0, 0, 0, 52, 0, 0, 22, 53,
- 231, 232, 233, 14, 15, 16, 17, 234, 0, 0,
- 0, 6, 7, 18, 19, 8, 9, 229, 52, 0,
- 230, 22, 53, 0, 0, 0, 0, 0, 0, 0,
- 0, 6, 7, 0, 0, 8, 9, 229, 0, 0,
- 230, 231, 232, 0, 14, 15, 16, 17, 0, 0,
- 0, 0, 6, 7, 18, 19, 8, 9, 0, 52,
- 0, 231, 22, 53, 14, 15, 16, 17, 0, 0,
- 0, 0, 0, 0, 18, 19, 0, 0, 0, 52,
- 13, 0, 22, 53, 0, 14, 15, 16, 17, 6,
- 215, 0, 0, 8, 9, 18, 19, 0, 20, 0,
- 21, 0, 0, 22, 23, 0, 0, 0, 0, 0,
- 6, 7, 0, 0, 8, 9, 0, 13, 0, 0,
- 0, 0, 14, 15, 16, 17, 0, 0, 0, 0,
- 0, 0, 18, 19, 0, 20, 0, 21, 177, 0,
- 22, 23, 0, 14, 15, 16, 17, 6, 7, 0,
- 0, 8, 9, 18, 19, 0, 20, 0, 178, 0,
- 0, 22, 53, 0, 0, 0, 0, 6, 7, 0,
- 0, 8, 9, 0, 0, 0, 0, 0, 0, 0,
- 14, 15, 16, 17, 0, 0, 0, 0, 0, 0,
- 18, 19, 0, 20, 0, 52, 0, 0, 22, 53,
- 14, 15, 16, 17, 0, 0, 0, 0, 0, 0,
- 18, 19, 0, 0, 0, 52, 0, 0, 22, 53
- };
-
- static const short yycheck[] = { 3,
- 70, 105, 108, 142, 182, 13, 13, 1, 23, 1,
- 4, 1, 13, 4, 55, 11, 70, 152, 57, 23,
- 33, 25, 37, 55, 227, 228, 229, 230, 55, 232,
- 233, 234, 36, 37, 59, 141, 175, 1, 108, 1,
- 36, 37, 177, 113, 57, 43, 50, 51, 10, 53,
- 42, 13, 42, 61, 13, 1, 1, 161, 164, 113,
- 53, 165, 56, 54, 242, 204, 58, 270, 58, 73,
- 74, 141, 76, 77, 78, 79, 80, 81, 42, 282,
- 42, 187, 44, 45, 13, 5, 4, 3, 4, 7,
- 8, 9, 56, 4, 12, 31, 42, 42, 57, 61,
- 104, 105, 61, 1, 55, 10, 4, 13, 14, 15,
- 56, 56, 18, 19, 4, 21, 22, 187, 36, 37,
- 24, 25, 38, 39, 55, 31, 3, 11, 46, 47,
- 59, 135, 61, 51, 28, 139, 54, 55, 42, 44,
- 45, 36, 37, 50, 51, 39, 52, 55, 25, 43,
- 27, 28, 36, 37, 56, 159, 160, 161, 64, 163,
- 61, 165, 39, 55, 179, 33, 43, 49, 274, 4,
- 276, 21, 48, 49, 50, 179, 280, 53, 84, 85,
- 86, 87, 88, 89, 4, 55, 4, 18, 292, 0,
- 0, 25, 298, 256, 98, 301, 211, 220, 22, 305,
- -1, 307, 206, 107, 110, -1, 112, 211, 10, 11,
- -1, 115, 118, -1, -1, -1, -1, -1, -1, 223,
- 224, 225, -1, 129, -1, -1, 28, 133, -1, -1,
- -1, 21, 136, -1, -1, -1, -1, 143, 144, -1,
- 146, 147, 148, 149, 150, 151, 152, -1, -1, 253,
- 46, 47, 48, 49, 50, -1, -1, 53, -1, -1,
- -1, -1, -1, 169, -1, -1, -1, -1, -1, -1,
- -1, 177, 178, 277, -1, -1, 280, 183, -1, -1,
- -1, -1, -1, -1, -1, 189, -1, -1, 292, -1,
- -1, -1, -1, 199, -1, -1, -1, 203, 100, 101,
- -1, 205, 208, 209, 106, -1, -1, 213, -1, -1,
- 112, -1, -1, -1, -1, 219, -1, -1, -1, -1,
- 110, 227, 228, 229, 230, 11, 232, 233, 234, -1,
- -1, -1, -1, -1, -1, 18, 19, -1, 21, -1,
- 246, -1, 28, 247, -1, -1, 250, -1, 31, -1,
- -1, 257, 258, 259, -1, 261, -1, 263, 264, 265,
- 162, 267, 268, 269, 270, -1, 168, 271, 170, 52,
- -1, -1, -1, 279, -1, -1, 282, 283, -1, -1,
- -1, 64, -1, -1, 290, -1, -1, 291, 178, 295,
- -1, -1, 296, 297, -1, -1, 300, -1, -1, -1,
- 304, 84, 85, 86, 87, 88, 89, -1, 210, -1,
- -1, -1, -1, -1, 100, 101, -1, -1, -1, -1,
- 106, -1, -1, -1, 226, -1, 112, 110, -1, 112,
- -1, -1, -1, -1, -1, 118, -1, 227, 228, 229,
- 230, -1, 232, 233, 234, -1, 129, -1, -1, -1,
- 133, -1, -1, -1, 35, -1, -1, -1, -1, -1,
- 143, 144, -1, 146, 147, 148, 149, 150, 151, 63,
- -1, -1, -1, 275, -1, -1, 162, -1, -1, 281,
- 270, -1, 168, -1, 170, -1, 169, -1, -1, 70,
- -1, -1, 282, -1, -1, 178, -1, -1, -1, -1,
- 183, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, 199, -1, -1, -1,
- 203, -1, 116, -1, 210, 208, 209, 108, -1, -1,
- 213, -1, 113, 114, -1, -1, -1, 131, 132, -1,
- 226, -1, -1, -1, 227, 228, 229, 230, -1, 232,
- 233, 234, -1, -1, -1, -1, -1, -1, -1, -1,
- 141, 142, -1, 246, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, 257, 258, 259, -1, 261, -1,
- 263, 264, 265, 164, 267, 268, 269, 270, -1, 275,
- -1, -1, -1, -1, 175, 281, 279, -1, -1, 282,
- 283, -1, -1, -1, -1, -1, 187, 290, -1, -1,
- -1, -1, 295, -1, -1, 209, -1, -1, -1, 213,
- -1, -1, -1, 204, -1, 3, 4, -1, 222, 7,
- 8, 9, -1, -1, 12, 216, -1, -1, 4, -1,
- -1, 7, 8, 9, -1, -1, -1, 241, -1, -1,
- -1, -1, -1, -1, -1, 33, 34, 35, 36, 37,
- 38, 39, 40, -1, -1, 43, 44, 45, 46, 47,
- 36, 37, 253, 51, -1, -1, 54, 55, -1, -1,
- 46, 47, -1, 61, 278, 51, -1, -1, 54, 55,
- -1, -1, -1, 274, -1, 276, 290, -1, 279, 293,
- -1, -1, -1, -1, -1, 299, -1, -1, -1, 1,
- -1, 3, 4, -1, -1, 7, 8, 298, -1, -1,
- 301, -1, -1, -1, 305, 17, 307, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 28, 29, -1, 31,
- 32, -1, -1, -1, 36, 37, 38, 39, -1, -1,
- -1, -1, -1, -1, 46, 47, -1, 49, 1, 51,
- 3, 4, 54, 55, 7, 8, -1, 59, 60, 61,
- -1, -1, -1, -1, 17, -1, 19, 20, 21, 22,
- 23, 24, 25, 26, 27, 28, 29, -1, 31, 32,
- -1, -1, -1, 36, 37, 38, 39, 4, -1, -1,
- 7, 8, 9, 46, 47, 12, 49, -1, 51, -1,
- -1, 54, 55, -1, -1, -1, 59, 60, 61, 1,
- -1, 3, 4, -1, -1, 7, 8, -1, 10, 36,
- 37, 13, -1, -1, -1, -1, 43, 44, 45, 46,
- 47, -1, -1, -1, 51, -1, -1, 54, 55, 31,
- -1, -1, -1, -1, 36, 37, 38, 39, -1, -1,
- -1, -1, 44, 45, 46, 47, -1, 49, -1, 51,
- -1, -1, 54, 55, 0, 1, -1, 3, 4, 61,
- -1, 7, 8, -1, -1, -1, -1, 13, -1, 15,
- 16, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, 30, 31, -1, -1, -1, -1,
- 36, 37, 38, 39, -1, -1, -1, -1, -1, -1,
- 46, 47, -1, 49, -1, 51, -1, -1, 54, 55,
- -1, 0, 1, 59, 3, 4, -1, -1, 7, 8,
- -1, -1, -1, -1, 13, -1, 15, 16, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, 30, 31, -1, -1, -1, -1, 36, 37, 38,
- 39, -1, -1, -1, -1, -1, -1, 46, 47, -1,
- 49, -1, 51, 3, 4, 54, 55, 7, 8, -1,
- 59, -1, -1, -1, -1, -1, -1, 17, -1, 19,
- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
- -1, 31, 32, -1, -1, -1, 36, 37, 38, 39,
- -1, -1, -1, -1, -1, -1, 46, 47, -1, 49,
- -1, 51, -1, -1, 54, 55, -1, -1, -1, 59,
- -1, 61, 3, 4, -1, -1, 7, 8, 9, -1,
- -1, 12, 13, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, 3, 4, -1, -1, 7, 8, -1,
- -1, -1, 33, 34, 35, 36, 37, 38, 39, 40,
- -1, -1, 43, 44, 45, 46, 47, -1, -1, -1,
- 51, 31, -1, 54, 55, -1, 36, 37, 38, 39,
- 61, -1, -1, -1, -1, -1, 46, 47, -1, 49,
- 1, 51, 3, 4, 54, 55, 7, 8, -1, -1,
- -1, 61, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, 1, -1, 3, 4, -1, -1, 7, 8, -1,
- 31, -1, -1, -1, -1, 36, 37, 38, 39, -1,
- -1, -1, -1, -1, -1, 46, 47, -1, 49, -1,
- 51, 31, -1, 54, 55, 56, 36, 37, 38, 39,
- -1, -1, -1, -1, -1, -1, 46, 47, -1, 49,
- 1, 51, 3, 4, 54, 55, 7, 8, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, 1, -1, 3, 4, -1, -1, 7, 8, -1,
- 31, -1, -1, -1, -1, 36, 37, 38, 39, -1,
- -1, -1, -1, -1, -1, 46, 47, -1, 49, -1,
- 51, 31, -1, 54, 55, -1, 36, 37, 38, 39,
- -1, -1, -1, -1, -1, -1, 46, 47, -1, 49,
- -1, 51, 3, 4, 54, 55, 7, 8, 9, -1,
- -1, 12, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, 33, 34, 35, 36, 37, 38, 39, 40,
- -1, -1, 43, 44, 45, 46, 47, -1, -1, -1,
- 51, -1, -1, 54, 55, 56, 3, 4, -1, -1,
- 7, 8, 9, -1, -1, 12, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- 4, -1, -1, 7, 8, 9, 33, 34, 35, 36,
- 37, 38, 39, 40, -1, 42, 43, 44, 45, 46,
- 47, -1, -1, -1, 51, 3, 4, 54, 55, 7,
- 8, 9, 36, 37, 12, -1, -1, -1, -1, 43,
- 44, 45, 46, 47, -1, -1, -1, 51, -1, -1,
- 54, 55, -1, -1, -1, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, -1, 43, 44, 45, 46, 47,
- -1, -1, -1, 51, 3, 4, 54, 55, 7, 8,
- 9, -1, -1, 12, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, 33, 34, 35, 36, 37, 38,
- 39, 40, -1, -1, 43, 44, 45, 46, 47, -1,
- -1, -1, 51, 3, 4, 54, 55, 7, 8, 9,
- -1, -1, 12, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, 3, 4, -1, -1,
- 7, 8, 9, 33, 34, 12, 36, 37, 38, 39,
- -1, -1, -1, 43, 44, 45, 46, 47, -1, -1,
- -1, 51, -1, -1, 54, 55, 33, 34, 35, 36,
- 37, 38, 39, 40, 41, -1, -1, 3, 4, 46,
- 47, 7, 8, 9, 51, -1, 12, 54, 55, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- 3, 4, -1, -1, 7, 8, 9, 33, -1, 12,
- 36, 37, 38, 39, -1, -1, -1, 43, 44, 45,
- 46, 47, -1, -1, -1, 51, -1, -1, 54, 55,
- 33, 34, 35, 36, 37, 38, 39, 40, -1, -1,
- -1, 3, 4, 46, 47, 7, 8, 9, 51, -1,
- 12, 54, 55, -1, -1, -1, -1, -1, -1, -1,
- -1, 3, 4, -1, -1, 7, 8, 9, -1, -1,
- 12, 33, 34, -1, 36, 37, 38, 39, -1, -1,
- -1, -1, 3, 4, 46, 47, 7, 8, -1, 51,
- -1, 33, 54, 55, 36, 37, 38, 39, -1, -1,
- -1, -1, -1, -1, 46, 47, -1, -1, -1, 51,
- 31, -1, 54, 55, -1, 36, 37, 38, 39, 3,
- 4, -1, -1, 7, 8, 46, 47, -1, 49, -1,
- 51, -1, -1, 54, 55, -1, -1, -1, -1, -1,
- 3, 4, -1, -1, 7, 8, -1, 31, -1, -1,
- -1, -1, 36, 37, 38, 39, -1, -1, -1, -1,
- -1, -1, 46, 47, -1, 49, -1, 51, 31, -1,
- 54, 55, -1, 36, 37, 38, 39, 3, 4, -1,
- -1, 7, 8, 46, 47, -1, 49, -1, 51, -1,
- -1, 54, 55, -1, -1, -1, -1, 3, 4, -1,
- -1, 7, 8, -1, -1, -1, -1, -1, -1, -1,
- 36, 37, 38, 39, -1, -1, -1, -1, -1, -1,
- 46, 47, -1, 49, -1, 51, -1, -1, 54, 55,
- 36, 37, 38, 39, -1, -1, -1, -1, -1, -1,
- 46, 47, -1, -1, -1, 51, -1, -1, 54, 55
- };
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "/usr/local/share/bison.simple"
-
- /* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* As a special exception, when this file is copied by Bison into a
- Bison output file, you may use that output file without restriction.
- This special exception was added by the Free Software Foundation
- in version 1.24 of Bison. */
-
- #ifndef alloca
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else /* not GNU C. */
- #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
- #include <alloca.h>
- #else /* not sparc */
- #if defined (MSDOS) && !defined (__TURBOC__)
- #include <malloc.h>
- #else /* not MSDOS, or __TURBOC__ */
- #if defined(_AIX)
- #include <malloc.h>
- #pragma alloca
- #else /* not MSDOS, __TURBOC__, or _AIX */
- #ifdef __hpux
- #ifdef __cplusplus
- extern "C" {
- void *alloca (unsigned int);
- };
- #else /* not __cplusplus */
- void *alloca ();
- #endif /* not __cplusplus */
- #endif /* __hpux */
- #endif /* not _AIX */
- #endif /* not MSDOS, or __TURBOC__ */
- #endif /* not sparc. */
- #endif /* not GNU C. */
- #endif /* alloca not defined. */
-
- /* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
- /* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
-
- #define yyerrok (yyerrstatus = 0)
- #define yyclearin (yychar = YYEMPTY)
- #define YYEMPTY -2
- #define YYEOF 0
- #define YYACCEPT return(0)
- #define YYABORT return(1)
- #define YYERROR goto yyerrlab1
- /* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
- #define YYFAIL goto yyerrlab
- #define YYRECOVERING() (!!yyerrstatus)
- #define YYBACKUP(token, value) \
- do \
- if (yychar == YYEMPTY && yylen == 1) \
- { yychar = (token), yylval = (value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
- while (0)
-
- #define YYTERROR 1
- #define YYERRCODE 256
-
- #ifndef YYPURE
- #define YYLEX yylex()
- #endif
-
- #ifdef YYPURE
- #ifdef YYLSP_NEEDED
- #ifdef YYLEX_PARAM
- #define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
- #else
- #define YYLEX yylex(&yylval, &yylloc)
- #endif
- #else /* not YYLSP_NEEDED */
- #ifdef YYLEX_PARAM
- #define YYLEX yylex(&yylval, YYLEX_PARAM)
- #else
- #define YYLEX yylex(&yylval)
- #endif
- #endif /* not YYLSP_NEEDED */
- #endif
-
- /* If nonreentrant, generate the variables here */
-
- #ifndef YYPURE
-
- int yychar; /* the lookahead symbol */
- YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
- #endif
-
- int yynerrs; /* number of parse errors so far */
- #endif /* not YYPURE */
-
- #if YYDEBUG != 0
- int yydebug; /* nonzero means print parse trace */
- /* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
- #endif
-
- /* YYINITDEPTH indicates the initial size of the parser's stacks */
-
- #ifndef YYINITDEPTH
- #define YYINITDEPTH 200
- #endif
-
- /* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
-
- #if YYMAXDEPTH == 0
- #undef YYMAXDEPTH
- #endif
-
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 10000
- #endif
-
- /* Prevent warning if -Wstrict-prototypes. */
- #ifdef __GNUC__
- int yyparse (void);
- #endif
-
- #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
- #define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
- #else /* not GNU C or C++ */
- #ifndef __cplusplus
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_memcpy (to, from, count)
- char *to;
- char *from;
- int count;
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #else /* __cplusplus */
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_memcpy (char *to, char *from, int count)
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #endif
- #endif
-
- #line 196 "/usr/local/share/bison.simple"
-
- /* The user can define YYPARSE_PARAM as the name of an argument to be passed
- into yyparse. The argument should have type void *.
- It should actually point to an object.
- Grammar actions can access the variable by casting it
- to the proper pointer type. */
-
- #ifdef YYPARSE_PARAM
- #ifdef __cplusplus
- #define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
- #define YYPARSE_PARAM_DECL
- #else /* not __cplusplus */
- #define YYPARSE_PARAM_ARG YYPARSE_PARAM
- #define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
- #endif /* not __cplusplus */
- #else /* not YYPARSE_PARAM */
- #define YYPARSE_PARAM_ARG
- #define YYPARSE_PARAM_DECL
- #endif /* not YYPARSE_PARAM */
-
- int
- yyparse(YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
- {
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
-
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-
- #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
- #else
- #define YYPOPSTACK (yyvsp--, yyssp--)
- #endif
-
- int yystacksize = YYINITDEPTH;
-
- #ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
- #endif
- #endif
-
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
-
- int yylen;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
- #endif
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
-
- yyssp = yyss - 1;
- yyvsp = yyvs;
- #ifdef YYLSP_NEEDED
- yylsp = yyls;
- #endif
-
- /* Push a new state, which is found in yystate . */
- /* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
- yynewstate:
-
- *++yyssp = yystate;
-
- if (yyssp >= yyss + yystacksize - 1)
- {
- /* Give user a chance to reallocate the stack */
- /* Use copies of these so that the &'s don't force the real ones into memory. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
- #ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- #endif
-
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
-
- #ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
- #ifdef YYLSP_NEEDED
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
- #else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
- #endif
-
- yyss = yyss1; yyvs = yyvs1;
- #ifdef YYLSP_NEEDED
- yyls = yyls1;
- #endif
- #else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- return 2;
- }
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
- #ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
- #endif
- #endif /* no yyoverflow */
-
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
- #ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
- #endif
-
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
- #endif
-
- goto yybackup;
- yybackup:
-
- /* Do appropriate processing given the current state. */
- /* Read a lookahead token if we need one and don't already have one. */
- /* yyresume: */
-
- /* First try to decide what to do without reference to lookahead token. */
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
-
- if (yychar == YYEMPTY)
- {
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
- #endif
- yychar = YYLEX;
- }
-
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
- {
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
- #endif
- }
- else
- {
- yychar1 = YYTRANSLATE(yychar);
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
- #ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
- #endif
- fprintf (stderr, ")\n");
- }
- #endif
- }
-
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
-
- yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrlab;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- /* Shift the lookahead token. */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
- #endif
-
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
-
- yystate = yyn;
- goto yynewstate;
-
- /* Do the default action for the current state. */
- yydefault:
-
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
-
- /* Do a reduction. yyn is the number of a rule to reduce with. */
- yyreduce:
- yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- int i;
-
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
- #endif
-
-
- switch (yyn) {
-
- case 1:
- #line 151 "./awk.y"
- {
- expression_value = yyvsp[-1].nodeval;
- check_funcs();
- ;
- break;}
- case 2:
- #line 159 "./awk.y"
- {
- if (yyvsp[0].nodeval != NULL)
- yyval.nodeval = yyvsp[0].nodeval;
- else
- yyval.nodeval = NULL;
- yyerrok;
- ;
- break;}
- case 3:
- #line 168 "./awk.y"
- {
- if (yyvsp[0].nodeval == NULL)
- yyval.nodeval = yyvsp[-1].nodeval;
- else if (yyvsp[-1].nodeval == NULL)
- yyval.nodeval = yyvsp[0].nodeval;
- else {
- if (yyvsp[-1].nodeval->type != Node_rule_list)
- yyvsp[-1].nodeval = node(yyvsp[-1].nodeval, Node_rule_list,
- (NODE*) NULL);
- yyval.nodeval = append_right(yyvsp[-1].nodeval,
- node(yyvsp[0].nodeval, Node_rule_list, (NODE *) NULL));
- }
- yyerrok;
- ;
- break;}
- case 4:
- #line 182 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 5:
- #line 183 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 6:
- #line 184 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 7:
- #line 188 "./awk.y"
- { io_allowed = FALSE; ;
- break;}
- case 8:
- #line 190 "./awk.y"
- {
- if (begin_block != NULL) {
- if (begin_block->type != Node_rule_list)
- begin_block = node(begin_block, Node_rule_list,
- (NODE *) NULL);
- (void) append_right(begin_block, node(
- node((NODE *) NULL, Node_rule_node, yyvsp[0].nodeval),
- Node_rule_list, (NODE *) NULL) );
- } else
- begin_block = node((NODE *) NULL, Node_rule_node, yyvsp[0].nodeval);
- yyval.nodeval = NULL;
- io_allowed = TRUE;
- yyerrok;
- ;
- break;}
- case 9:
- #line 204 "./awk.y"
- { io_allowed = FALSE; ;
- break;}
- case 10:
- #line 206 "./awk.y"
- {
- if (end_block != NULL) {
- if (end_block->type != Node_rule_list)
- end_block = node(end_block, Node_rule_list,
- (NODE *) NULL);
- (void) append_right (end_block, node(
- node((NODE *) NULL, Node_rule_node, yyvsp[0].nodeval),
- Node_rule_list, (NODE *) NULL));
- } else
- end_block = node((NODE *) NULL, Node_rule_node, yyvsp[0].nodeval);
- yyval.nodeval = NULL;
- io_allowed = TRUE;
- yyerrok;
- ;
- break;}
- case 11:
- #line 221 "./awk.y"
- {
- warning("BEGIN blocks must have an action part");
- errcount++;
- yyerrok;
- ;
- break;}
- case 12:
- #line 227 "./awk.y"
- {
- warning("END blocks must have an action part");
- errcount++;
- yyerrok;
- ;
- break;}
- case 13:
- #line 233 "./awk.y"
- { yyval.nodeval = node(yyvsp[-1].nodeval, Node_rule_node, yyvsp[0].nodeval); yyerrok; ;
- break;}
- case 14:
- #line 235 "./awk.y"
- { yyval.nodeval = node((NODE *) NULL, Node_rule_node, yyvsp[0].nodeval); yyerrok; ;
- break;}
- case 15:
- #line 237 "./awk.y"
- {
- yyval.nodeval = node(yyvsp[-1].nodeval,
- Node_rule_node,
- node(node(node(make_number(0.0),
- Node_field_spec,
- (NODE *) NULL),
- Node_expression_list,
- (NODE *) NULL),
- Node_K_print,
- (NODE *) NULL));
- yyerrok;
- ;
- break;}
- case 16:
- #line 250 "./awk.y"
- {
- func_install(yyvsp[-1].nodeval, yyvsp[0].nodeval);
- yyval.nodeval = NULL;
- yyerrok;
- ;
- break;}
- case 17:
- #line 259 "./awk.y"
- { yyval.sval = yyvsp[0].sval; ;
- break;}
- case 18:
- #line 261 "./awk.y"
- { yyval.sval = yyvsp[0].sval; ;
- break;}
- case 19:
- #line 263 "./awk.y"
- {
- yyerror("%s() is a built-in function, it cannot be redefined",
- tokstart);
- errcount++;
- /* yyerrok; */
- ;
- break;}
- case 22:
- #line 278 "./awk.y"
- {
- param_counter = 0;
- ;
- break;}
- case 23:
- #line 282 "./awk.y"
- {
- NODE *t;
-
- t = make_param(yyvsp[-4].sval);
- t->flags |= FUNC;
- yyval.nodeval = append_right(t, yyvsp[-2].nodeval);
- can_return = TRUE;
- /* check for duplicate parameter names */
- if (dup_parms(yyval.nodeval))
- errcount++;
- ;
- break;}
- case 24:
- #line 297 "./awk.y"
- {
- yyval.nodeval = yyvsp[-2].nodeval;
- can_return = FALSE;
- ;
- break;}
- case 25:
- #line 302 "./awk.y"
- {
- yyval.nodeval = node((NODE *) NULL, Node_K_return, (NODE *) NULL);
- can_return = FALSE;
- ;
- break;}
- case 26:
- #line 311 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 27:
- #line 313 "./awk.y"
- { yyval.nodeval = mkrangenode(node(yyvsp[-2].nodeval, Node_cond_pair, yyvsp[0].nodeval)); ;
- break;}
- case 28:
- #line 322 "./awk.y"
- { ++want_regexp; ;
- break;}
- case 29:
- #line 324 "./awk.y"
- {
- NODE *n;
- size_t len;
-
- getnode(n);
- n->type = Node_regex;
- len = strlen(yyvsp[-1].sval);
- n->re_exp = make_string(yyvsp[-1].sval, len);
- n->re_reg = make_regexp(yyvsp[-1].sval, len, FALSE, TRUE);
- n->re_text = NULL;
- n->re_flags = CONST;
- n->re_cnt = 1;
- yyval.nodeval = n;
- ;
- break;}
- case 30:
- #line 342 "./awk.y"
- { yyval.nodeval = yyvsp[-3].nodeval; ;
- break;}
- case 31:
- #line 344 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 32:
- #line 349 "./awk.y"
- {
- yyval.nodeval = yyvsp[0].nodeval;
- if (do_lint && isnoeffect(yyval.nodeval->type))
- warning("statement may have no effect");
- ;
- break;}
- case 33:
- #line 355 "./awk.y"
- {
- if (yyvsp[-1].nodeval == NULL || yyvsp[-1].nodeval->type != Node_statement_list)
- yyvsp[-1].nodeval = node(yyvsp[-1].nodeval, Node_statement_list, (NODE *) NULL);
- yyval.nodeval = append_right(yyvsp[-1].nodeval,
- node(yyvsp[0].nodeval, Node_statement_list, (NODE *) NULL));
- yyerrok;
- ;
- break;}
- case 34:
- #line 363 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 35:
- #line 365 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 38:
- #line 375 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 39:
- #line 377 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 40:
- #line 379 "./awk.y"
- { yyval.nodeval = yyvsp[-1].nodeval; ;
- break;}
- case 41:
- #line 381 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 42:
- #line 383 "./awk.y"
- { yyval.nodeval = node(yyvsp[-3].nodeval, Node_K_while, yyvsp[0].nodeval); ;
- break;}
- case 43:
- #line 385 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_K_do, yyvsp[-5].nodeval); ;
- break;}
- case 44:
- #line 387 "./awk.y"
- {
- yyval.nodeval = node(yyvsp[0].nodeval, Node_K_arrayfor,
- make_for_loop(variable(yyvsp[-5].sval, CAN_FREE, Node_var),
- (NODE *) NULL, variable(yyvsp[-3].sval, CAN_FREE, Node_var_array)));
- ;
- break;}
- case 45:
- #line 393 "./awk.y"
- {
- yyval.nodeval = node(yyvsp[0].nodeval, Node_K_for, (NODE *) make_for_loop(yyvsp[-7].nodeval, yyvsp[-5].nodeval, yyvsp[-3].nodeval));
- ;
- break;}
- case 46:
- #line 397 "./awk.y"
- {
- yyval.nodeval = node(yyvsp[0].nodeval, Node_K_for,
- (NODE *) make_for_loop(yyvsp[-6].nodeval, (NODE *) NULL, yyvsp[-3].nodeval));
- ;
- break;}
- case 47:
- #line 403 "./awk.y"
- { yyval.nodeval = node((NODE *) NULL, Node_K_break, (NODE *) NULL); ;
- break;}
- case 48:
- #line 406 "./awk.y"
- { yyval.nodeval = node((NODE *) NULL, Node_K_continue, (NODE *) NULL); ;
- break;}
- case 49:
- #line 408 "./awk.y"
- { yyval.nodeval = node(yyvsp[-3].nodeval, yyvsp[-5].nodetypeval, yyvsp[-1].nodeval); ;
- break;}
- case 50:
- #line 410 "./awk.y"
- {
- if (yyvsp[-3].nodetypeval == Node_K_print && yyvsp[-2].nodeval == NULL) {
- static int warned = FALSE;
-
- yyvsp[-2].nodeval = node(node(make_number(0.0),
- Node_field_spec,
- (NODE *) NULL),
- Node_expression_list,
- (NODE *) NULL);
-
- if (do_lint && ! io_allowed && ! warned) {
- warned = TRUE;
- warning(
- "plain `print' in BEGIN or END rule should probably be `print \"\"'");
- }
- }
-
- yyval.nodeval = node(yyvsp[-2].nodeval, yyvsp[-3].nodetypeval, yyvsp[-1].nodeval);
- ;
- break;}
- case 51:
- #line 430 "./awk.y"
- { NODETYPE type;
-
- if (yyvsp[-1].nodeval) {
- if (yyvsp[-1].nodeval == lookup("file")) {
- static int warned = FALSE;
-
- if (! warned) {
- warned = TRUE;
- warning("`next file' is obsolete; use `nextfile'");
- }
- if (do_lint)
- warning("`next file' is a gawk extension");
- if (do_traditional) {
- /*
- * can't use yyerror, since may have overshot
- * the source line
- */
- errcount++;
- error("`next file' is a gawk extension");
- }
- if (! io_allowed) {
- /* same thing */
- errcount++;
- error("`next file' used in BEGIN or END action");
- }
- type = Node_K_nextfile;
- } else {
- errcount++;
- error("illegal expression after `next'");
- type = Node_K_next; /* sanity */
- }
- } else {
- if (! io_allowed)
- yyerror("`next' used in BEGIN or END action");
- type = Node_K_next;
- }
- yyval.nodeval = node((NODE *) NULL, type, (NODE *) NULL);
- ;
- break;}
- case 52:
- #line 469 "./awk.y"
- {
- if (do_lint)
- warning("`nextfile' is a gawk extension");
- if (do_traditional) {
- /*
- * can't use yyerror, since may have overshot
- * the source line
- */
- errcount++;
- error("`nextfile' is a gawk extension");
- }
- if (! io_allowed) {
- /* same thing */
- errcount++;
- error("`nextfile' used in BEGIN or END action");
- }
- yyval.nodeval = node((NODE *) NULL, Node_K_nextfile, (NODE *) NULL);
- ;
- break;}
- case 53:
- #line 488 "./awk.y"
- { yyval.nodeval = node(yyvsp[-1].nodeval, Node_K_exit, (NODE *) NULL); ;
- break;}
- case 54:
- #line 490 "./awk.y"
- {
- if (! can_return)
- yyerror("`return' used outside function context");
- ;
- break;}
- case 55:
- #line 495 "./awk.y"
- { yyval.nodeval = node(yyvsp[-1].nodeval, Node_K_return, (NODE *) NULL); ;
- break;}
- case 56:
- #line 497 "./awk.y"
- { yyval.nodeval = node(variable(yyvsp[-4].sval, CAN_FREE, Node_var_array), Node_K_delete, yyvsp[-2].nodeval); ;
- break;}
- case 57:
- #line 499 "./awk.y"
- {
- if (do_lint)
- warning("`delete array' is a gawk extension");
- if (do_traditional) {
- /*
- * can't use yyerror, since may have overshot
- * the source line
- */
- errcount++;
- error("`delete array' is a gawk extension");
- }
- yyval.nodeval = node(variable(yyvsp[-1].sval, CAN_FREE, Node_var_array), Node_K_delete, (NODE *) NULL);
- ;
- break;}
- case 58:
- #line 513 "./awk.y"
- { yyval.nodeval = yyvsp[-1].nodeval; ;
- break;}
- case 59:
- #line 518 "./awk.y"
- { yyval.nodetypeval = yyvsp[0].nodetypeval; ;
- break;}
- case 60:
- #line 520 "./awk.y"
- { yyval.nodetypeval = yyvsp[0].nodetypeval; ;
- break;}
- case 61:
- #line 525 "./awk.y"
- {
- yyval.nodeval = node(yyvsp[-3].nodeval, Node_K_if,
- node(yyvsp[0].nodeval, Node_if_branches, (NODE *) NULL));
- ;
- break;}
- case 62:
- #line 531 "./awk.y"
- { yyval.nodeval = node(yyvsp[-6].nodeval, Node_K_if,
- node(yyvsp[-3].nodeval, Node_if_branches, yyvsp[0].nodeval)); ;
- break;}
- case 63:
- #line 537 "./awk.y"
- { want_assign = FALSE; ;
- break;}
- case 67:
- #line 548 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 68:
- #line 550 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_redirect_input, (NODE *) NULL); ;
- break;}
- case 69:
- #line 555 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 70:
- #line 557 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_redirect_output, (NODE *) NULL); ;
- break;}
- case 71:
- #line 559 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_redirect_append, (NODE *) NULL); ;
- break;}
- case 72:
- #line 561 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_redirect_pipe, (NODE *) NULL); ;
- break;}
- case 73:
- #line 566 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 74:
- #line 568 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 75:
- #line 573 "./awk.y"
- { yyval.nodeval = make_param(yyvsp[0].sval); ;
- break;}
- case 76:
- #line 575 "./awk.y"
- { yyval.nodeval = append_right(yyvsp[-2].nodeval, make_param(yyvsp[0].sval)); yyerrok; ;
- break;}
- case 77:
- #line 577 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 78:
- #line 579 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 79:
- #line 581 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 80:
- #line 587 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 81:
- #line 589 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 82:
- #line 594 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 83:
- #line 596 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 84:
- #line 601 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_expression_list, (NODE *) NULL); ;
- break;}
- case 85:
- #line 603 "./awk.y"
- {
- yyval.nodeval = append_right(yyvsp[-2].nodeval,
- node(yyvsp[0].nodeval, Node_expression_list, (NODE *) NULL));
- yyerrok;
- ;
- break;}
- case 86:
- #line 609 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 87:
- #line 611 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 88:
- #line 613 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 89:
- #line 615 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 90:
- #line 620 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 91:
- #line 622 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 92:
- #line 627 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_expression_list, (NODE *) NULL); ;
- break;}
- case 93:
- #line 629 "./awk.y"
- {
- yyval.nodeval = append_right(yyvsp[-2].nodeval,
- node(yyvsp[0].nodeval, Node_expression_list, (NODE *) NULL));
- yyerrok;
- ;
- break;}
- case 94:
- #line 635 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 95:
- #line 637 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 96:
- #line 639 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 97:
- #line 641 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 98:
- #line 646 "./awk.y"
- { want_assign = FALSE; ;
- break;}
- case 99:
- #line 648 "./awk.y"
- {
- if (do_lint && yyvsp[0].nodeval->type == Node_regex)
- warning("Regular expression on left of assignment.");
- yyval.nodeval = node(yyvsp[-3].nodeval, yyvsp[-2].nodetypeval, yyvsp[0].nodeval);
- ;
- break;}
- case 100:
- #line 654 "./awk.y"
- { yyval.nodeval = node(variable(yyvsp[0].sval, CAN_FREE, Node_var_array), Node_in_array, yyvsp[-3].nodeval); ;
- break;}
- case 101:
- #line 656 "./awk.y"
- {
- yyval.nodeval = node(yyvsp[0].nodeval, Node_K_getline,
- node(yyvsp[-3].nodeval, Node_redirect_pipein, (NODE *) NULL));
- ;
- break;}
- case 102:
- #line 661 "./awk.y"
- {
- if (do_lint && ! io_allowed && yyvsp[0].nodeval == NULL)
- warning("non-redirected getline undefined inside BEGIN or END action");
- yyval.nodeval = node(yyvsp[-1].nodeval, Node_K_getline, yyvsp[0].nodeval);
- ;
- break;}
- case 103:
- #line 667 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_and, yyvsp[0].nodeval); ;
- break;}
- case 104:
- #line 669 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_or, yyvsp[0].nodeval); ;
- break;}
- case 105:
- #line 671 "./awk.y"
- {
- if (yyvsp[-2].nodeval->type == Node_regex)
- warning("Regular expression on left of MATCH operator.");
- yyval.nodeval = node(yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, mk_rexp(yyvsp[0].nodeval));
- ;
- break;}
- case 106:
- #line 677 "./awk.y"
- {
- yyval.nodeval = yyvsp[0].nodeval;
- if (do_lint && tokstart[0] == '*') {
- /* possible C comment */
- int n = strlen(tokstart) - 1;
- if (tokstart[n] == '*')
- warning("regexp looks like a C comment, but is not");
- }
- ;
- break;}
- case 107:
- #line 687 "./awk.y"
- {
- yyval.nodeval = node(node(make_number(0.0),
- Node_field_spec,
- (NODE *) NULL),
- Node_nomatch,
- yyvsp[0].nodeval);
- ;
- break;}
- case 108:
- #line 695 "./awk.y"
- { yyval.nodeval = node(variable(yyvsp[0].sval, CAN_FREE, Node_var_array), Node_in_array, yyvsp[-2].nodeval); ;
- break;}
- case 109:
- #line 697 "./awk.y"
- {
- if (do_lint && yyvsp[0].nodeval->type == Node_regex)
- warning("Regular expression on left of comparison.");
- yyval.nodeval = node(yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, yyvsp[0].nodeval);
- ;
- break;}
- case 110:
- #line 703 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_less, yyvsp[0].nodeval); ;
- break;}
- case 111:
- #line 705 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_greater, yyvsp[0].nodeval); ;
- break;}
- case 112:
- #line 707 "./awk.y"
- { yyval.nodeval = node(yyvsp[-4].nodeval, Node_cond_exp, node(yyvsp[-2].nodeval, Node_if_branches, yyvsp[0].nodeval));;
- break;}
- case 113:
- #line 709 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 114:
- #line 711 "./awk.y"
- { yyval.nodeval = node(yyvsp[-1].nodeval, Node_concat, yyvsp[0].nodeval); ;
- break;}
- case 115:
- #line 716 "./awk.y"
- { want_assign = FALSE; ;
- break;}
- case 116:
- #line 718 "./awk.y"
- { yyval.nodeval = node(yyvsp[-3].nodeval, yyvsp[-2].nodetypeval, yyvsp[0].nodeval); ;
- break;}
- case 117:
- #line 720 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_and, yyvsp[0].nodeval); ;
- break;}
- case 118:
- #line 722 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_or, yyvsp[0].nodeval); ;
- break;}
- case 119:
- #line 724 "./awk.y"
- {
- if (do_lint && ! io_allowed && yyvsp[0].nodeval == NULL)
- warning("non-redirected getline undefined inside BEGIN or END action");
- yyval.nodeval = node(yyvsp[-1].nodeval, Node_K_getline, yyvsp[0].nodeval);
- ;
- break;}
- case 120:
- #line 730 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 121:
- #line 732 "./awk.y"
- { yyval.nodeval = node((NODE *) NULL, Node_nomatch, yyvsp[0].nodeval); ;
- break;}
- case 122:
- #line 734 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, mk_rexp(yyvsp[0].nodeval)); ;
- break;}
- case 123:
- #line 736 "./awk.y"
- { yyval.nodeval = node(variable(yyvsp[0].sval, CAN_FREE, Node_var_array), Node_in_array, yyvsp[-2].nodeval); ;
- break;}
- case 124:
- #line 738 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, yyvsp[0].nodeval); ;
- break;}
- case 125:
- #line 740 "./awk.y"
- { yyval.nodeval = node(yyvsp[-4].nodeval, Node_cond_exp, node(yyvsp[-2].nodeval, Node_if_branches, yyvsp[0].nodeval));;
- break;}
- case 126:
- #line 742 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 127:
- #line 744 "./awk.y"
- { yyval.nodeval = node(yyvsp[-1].nodeval, Node_concat, yyvsp[0].nodeval); ;
- break;}
- case 129:
- #line 751 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_exp, yyvsp[0].nodeval); ;
- break;}
- case 130:
- #line 753 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_times, yyvsp[0].nodeval); ;
- break;}
- case 131:
- #line 755 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_quotient, yyvsp[0].nodeval); ;
- break;}
- case 132:
- #line 757 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_mod, yyvsp[0].nodeval); ;
- break;}
- case 133:
- #line 759 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_plus, yyvsp[0].nodeval); ;
- break;}
- case 134:
- #line 761 "./awk.y"
- { yyval.nodeval = node(yyvsp[-2].nodeval, Node_minus, yyvsp[0].nodeval); ;
- break;}
- case 135:
- #line 763 "./awk.y"
- { yyval.nodeval = node(yyvsp[-1].nodeval, Node_postincrement, (NODE *) NULL); ;
- break;}
- case 136:
- #line 765 "./awk.y"
- { yyval.nodeval = node(yyvsp[-1].nodeval, Node_postdecrement, (NODE *) NULL); ;
- break;}
- case 137:
- #line 770 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_not, (NODE *) NULL); ;
- break;}
- case 138:
- #line 772 "./awk.y"
- { yyval.nodeval = yyvsp[-1].nodeval; ;
- break;}
- case 139:
- #line 775 "./awk.y"
- { yyval.nodeval = snode(yyvsp[-1].nodeval, Node_builtin, (int) yyvsp[-3].lval); ;
- break;}
- case 140:
- #line 777 "./awk.y"
- { yyval.nodeval = snode(yyvsp[-1].nodeval, Node_builtin, (int) yyvsp[-3].lval); ;
- break;}
- case 141:
- #line 779 "./awk.y"
- {
- if (do_lint)
- warning("call of `length' without parentheses is not portable");
- yyval.nodeval = snode((NODE *) NULL, Node_builtin, (int) yyvsp[0].lval);
- if (do_posix)
- warning("call of `length' without parentheses is deprecated by POSIX");
- ;
- break;}
- case 142:
- #line 787 "./awk.y"
- {
- yyval.nodeval = node(yyvsp[-1].nodeval, Node_func_call, make_string(yyvsp[-3].sval, strlen(yyvsp[-3].sval)));
- func_use(yyvsp[-3].sval, FUNC_USE);
- param_sanity(yyvsp[-1].nodeval);
- free(yyvsp[-3].sval);
- ;
- break;}
- case 144:
- #line 795 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_preincrement, (NODE *) NULL); ;
- break;}
- case 145:
- #line 797 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_predecrement, (NODE *) NULL); ;
- break;}
- case 146:
- #line 799 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 147:
- #line 801 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 148:
- #line 804 "./awk.y"
- {
- if (yyvsp[0].nodeval->type == Node_val) {
- yyvsp[0].nodeval->numbr = -(force_number(yyvsp[0].nodeval));
- yyval.nodeval = yyvsp[0].nodeval;
- } else
- yyval.nodeval = node(yyvsp[0].nodeval, Node_unary_minus, (NODE *) NULL);
- ;
- break;}
- case 149:
- #line 812 "./awk.y"
- {
- /*
- * was: $$ = $2
- * POSIX semantics: force a conversion to numeric type
- */
- yyval.nodeval = node (make_number(0.0), Node_plus, yyvsp[0].nodeval);
- ;
- break;}
- case 150:
- #line 823 "./awk.y"
- { yyval.nodeval = NULL; ;
- break;}
- case 151:
- #line 825 "./awk.y"
- { yyval.nodeval = yyvsp[0].nodeval; ;
- break;}
- case 152:
- #line 830 "./awk.y"
- { yyval.nodeval = variable(yyvsp[0].sval, CAN_FREE, Node_var); ;
- break;}
- case 153:
- #line 832 "./awk.y"
- {
- if (yyvsp[-1].nodeval->rnode == NULL) {
- yyval.nodeval = node(variable(yyvsp[-3].sval, CAN_FREE, Node_var_array), Node_subscript, yyvsp[-1].nodeval->lnode);
- freenode(yyvsp[-1].nodeval);
- } else
- yyval.nodeval = node(variable(yyvsp[-3].sval, CAN_FREE, Node_var_array), Node_subscript, yyvsp[-1].nodeval);
- ;
- break;}
- case 154:
- #line 840 "./awk.y"
- { yyval.nodeval = node(yyvsp[0].nodeval, Node_field_spec, (NODE *) NULL); ;
- break;}
- case 156:
- #line 848 "./awk.y"
- { yyerrok; ;
- break;}
- case 157:
- #line 852 "./awk.y"
- { yyerrok; ;
- break;}
- case 160:
- #line 861 "./awk.y"
- { yyerrok; want_assign = FALSE; ;
- break;}
- case 161:
- #line 864 "./awk.y"
- { yyerrok; ;
- break;}
- }
- /* the action file gets copied in in place of this dollarsign */
- #line 498 "/usr/local/share/bison.simple"
-
- yyvsp -= yylen;
- yyssp -= yylen;
- #ifdef YYLSP_NEEDED
- yylsp -= yylen;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- *++yyvsp = yyval;
-
- #ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
- }
- #endif
-
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
- yyerrlab: /* here on detecting error */
-
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
- {
- ++yynerrs;
-
- #ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
- }
- else
- #endif /* YYERROR_VERBOSE */
- yyerror("parse error");
- }
-
- goto yyerrlab1;
- yyerrlab1: /* here on error raised explicitly by an action */
-
- if (yyerrstatus == 3)
- {
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
-
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
- #endif
-
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token
- after shifting the error token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
- yyerrdefault: /* current state does not do anything special for the error token. */
-
- #if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
- #endif
-
- yyerrpop: /* pop the current state because it cannot handle the error token */
-
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
- #ifdef YYLSP_NEEDED
- yylsp--;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- yyerrhandle:
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
- #endif
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- yystate = yyn;
- goto yynewstate;
- }
- #line 867 "./awk.y"
-
-
- struct token {
- const char *operator; /* text to match */
- NODETYPE value; /* node type */
- int class; /* lexical class */
- unsigned flags; /* # of args. allowed and compatability */
- # define ARGS 0xFF /* 0, 1, 2, 3 args allowed (any combination */
- # define A(n) (1<<(n))
- # define VERSION 0xFF00 /* old awk is zero */
- # define NOT_OLD 0x0100 /* feature not in old awk */
- # define NOT_POSIX 0x0200 /* feature not in POSIX */
- # define GAWKX 0x0400 /* gawk extension */
- # define RESX 0x0800 /* Bell Labs Research extension */
- NODE *(*ptr)(); /* function that implements this keyword */
- };
-
- extern NODE
- *do_exp(), *do_getline(), *do_index(), *do_length(),
- *do_sqrt(), *do_log(), *do_sprintf(), *do_substr(),
- *do_split(), *do_system(), *do_int(), *do_close(),
- *do_atan2(), *do_sin(), *do_cos(), *do_rand(),
- *do_srand(), *do_match(), *do_tolower(), *do_toupper(),
- *do_sub(), *do_gsub(), *do_strftime(), *do_systime(),
- *do_fflush();
-
- /* Tokentab is sorted ascii ascending order, so it can be binary searched. */
-
- static struct token tokentab[] = {
- {"BEGIN", Node_illegal, LEX_BEGIN, 0, 0},
- {"END", Node_illegal, LEX_END, 0, 0},
- #ifdef BITOPS
- {"and", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_and},
- #endif /* BITOPS */
- {"atan2", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2), do_atan2},
- {"break", Node_K_break, LEX_BREAK, 0, 0},
- {"close", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_close},
- #ifdef BITOPS
- {"compl", Node_builtin, LEX_BUILTIN, GAWKX|A(1), do_compl},
- #endif /* BITOPS */
- {"continue", Node_K_continue, LEX_CONTINUE, 0, 0},
- {"cos", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_cos},
- {"delete", Node_K_delete, LEX_DELETE, NOT_OLD, 0},
- {"do", Node_K_do, LEX_DO, NOT_OLD, 0},
- {"else", Node_illegal, LEX_ELSE, 0, 0},
- {"exit", Node_K_exit, LEX_EXIT, 0, 0},
- {"exp", Node_builtin, LEX_BUILTIN, A(1), do_exp},
- {"fflush", Node_builtin, LEX_BUILTIN, RESX|A(0)|A(1), do_fflush},
- {"for", Node_K_for, LEX_FOR, 0, 0},
- {"func", Node_K_function, LEX_FUNCTION, NOT_POSIX|NOT_OLD, 0},
- {"function", Node_K_function, LEX_FUNCTION, NOT_OLD, 0},
- {"gensub", Node_builtin, LEX_BUILTIN, GAWKX|A(3)|A(4), do_gensub},
- {"getline", Node_K_getline, LEX_GETLINE, NOT_OLD, 0},
- {"gsub", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2)|A(3), do_gsub},
- {"if", Node_K_if, LEX_IF, 0, 0},
- {"in", Node_illegal, LEX_IN, 0, 0},
- {"index", Node_builtin, LEX_BUILTIN, A(2), do_index},
- {"int", Node_builtin, LEX_BUILTIN, A(1), do_int},
- {"length", Node_builtin, LEX_LENGTH, A(0)|A(1), do_length},
- {"log", Node_builtin, LEX_BUILTIN, A(1), do_log},
- #ifdef BITOPS
- {"lshift", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_lshift},
- #endif /* BITOPS */
- {"match", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2), do_match},
- {"next", Node_K_next, LEX_NEXT, 0, 0},
- {"nextfile", Node_K_nextfile, LEX_NEXTFILE, GAWKX, 0},
- #ifdef BITOPS
- {"or", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_or},
- #endif /* BITOPS */
- {"print", Node_K_print, LEX_PRINT, 0, 0},
- {"printf", Node_K_printf, LEX_PRINTF, 0, 0},
- {"rand", Node_builtin, LEX_BUILTIN, NOT_OLD|A(0), do_rand},
- {"return", Node_K_return, LEX_RETURN, NOT_OLD, 0},
- #ifdef BITOPS
- {"rshift", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_rshift},
- #endif /* BITOPS */
- {"sin", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_sin},
- {"split", Node_builtin, LEX_BUILTIN, A(2)|A(3), do_split},
- {"sprintf", Node_builtin, LEX_BUILTIN, 0, do_sprintf},
- {"sqrt", Node_builtin, LEX_BUILTIN, A(1), do_sqrt},
- {"srand", Node_builtin, LEX_BUILTIN, NOT_OLD|A(0)|A(1), do_srand},
- {"strftime", Node_builtin, LEX_BUILTIN, GAWKX|A(0)|A(1)|A(2), do_strftime},
- #ifdef BITOPS
- {"strtonum", Node_builtin, LEX_BUILTIN, GAWKX|A(1), do_strtonum},
- #endif /* BITOPS */
- {"sub", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2)|A(3), do_sub},
- {"substr", Node_builtin, LEX_BUILTIN, A(2)|A(3), do_substr},
- {"system", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_system},
- {"systime", Node_builtin, LEX_BUILTIN, GAWKX|A(0), do_systime},
- {"tolower", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_tolower},
- {"toupper", Node_builtin, LEX_BUILTIN, NOT_OLD|A(1), do_toupper},
- {"while", Node_K_while, LEX_WHILE, 0, 0},
- #ifdef BITOPS
- {"xor", Node_builtin, LEX_BUILTIN, GAWKX|A(2), do_xor},
- #endif /* BITOPS */
- };
-
- /* yyerror --- print a syntax error message, show where */
-
- #if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
- static void
- yyerror(const char *m, ...)
- #else
- /* VARARGS0 */
- static void
- yyerror(va_alist)
- va_dcl
- #endif
- {
- va_list args;
- const char *mesg = NULL;
- register char *bp, *cp;
- char *scan;
- char buf[120];
- static char end_of_file_line[] = "(END OF FILE)";
-
- errcount++;
- /* Find the current line in the input file */
- if (lexptr && lexeme) {
- if (thisline == NULL) {
- cp = lexeme;
- if (*cp == '\n') {
- cp--;
- mesg = "unexpected newline";
- }
- for (; cp != lexptr_begin && *cp != '\n'; --cp)
- continue;
- if (*cp == '\n')
- cp++;
- thisline = cp;
- }
- /* NL isn't guaranteed */
- bp = lexeme;
- while (bp < lexend && *bp && *bp != '\n')
- bp++;
- } else {
- thisline = end_of_file_line;
- bp = thisline + strlen(thisline);
- }
- msg("%.*s", (int) (bp - thisline), thisline);
- bp = buf;
- cp = buf + sizeof(buf) - 24; /* 24 more than longest msg. input */
- if (lexptr != NULL) {
- scan = thisline;
- while (bp < cp && scan < lexeme)
- if (*scan++ == '\t')
- *bp++ = '\t';
- else
- *bp++ = ' ';
- *bp++ = '^';
- *bp++ = ' ';
- }
- #if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
- va_start(args, m);
- if (mesg == NULL)
- mesg = m;
- #else
- va_start(args);
- if (mesg == NULL)
- mesg = va_arg(args, char *);
- #endif
- strcpy(bp, mesg);
- err("", buf, args);
- va_end(args);
- }
-
- /* get_src_buf --- read the next buffer of source program */
-
- static char *
- get_src_buf()
- {
- static int samefile = FALSE;
- static int nextfile = 0;
- static char *buf = NULL;
- static int fd;
- int n;
- register char *scan;
- static int len = 0;
- static int did_newline = FALSE;
- int newfile;
- struct stat sbuf;
-
- # define SLOP 128 /* enough space to hold most source lines */
-
- again:
- newfile = FALSE;
- if (nextfile > numfiles)
- return NULL;
-
- if (srcfiles[nextfile].stype == CMDLINE) {
- if (len == 0) {
- len = strlen(srcfiles[nextfile].val);
- if (len == 0) {
- /*
- * Yet Another Special case:
- * gawk '' /path/name
- * Sigh.
- */
- static int warned = FALSE;
-
- if (do_lint && ! warned) {
- warned = TRUE;
- warning("empty program text on command line");
- }
- ++nextfile;
- goto again;
- }
- sourceline = 1;
- lexptr = lexptr_begin = srcfiles[nextfile].val;
- lexend = lexptr + len;
- } else if (! did_newline && *(lexptr-1) != '\n') {
- /*
- * The following goop is to ensure that the source
- * ends with a newline and that the entire current
- * line is available for error messages.
- */
- int offset;
-
- did_newline = TRUE;
- offset = lexptr - lexeme;
- for (scan = lexeme; scan > lexptr_begin; scan--)
- if (*scan == '\n') {
- scan++;
- break;
- }
- len = lexptr - scan;
- emalloc(buf, char *, len+1, "get_src_buf");
- memcpy(buf, scan, len);
- thisline = buf;
- lexptr = buf + len;
- *lexptr = '\n';
- lexeme = lexptr - offset;
- lexptr_begin = buf;
- lexend = lexptr + 1;
- } else {
- len = 0;
- lexeme = lexptr = lexptr_begin = NULL;
- }
- if (lexptr == NULL && ++nextfile <= numfiles)
- goto again;
- return lexptr;
- }
- if (! samefile) {
- source = srcfiles[nextfile].val;
- if (source == NULL) {
- if (buf != NULL) {
- free(buf);
- buf = NULL;
- }
- len = 0;
- return lexeme = lexptr = lexptr_begin = NULL;
- }
- fd = pathopen(source);
- if (fd <= INVALID_HANDLE) {
- char *in;
-
- /* suppress file name and line no. in error mesg */
- in = source;
- source = NULL;
- fatal("can't open source file \"%s\" for reading (%s)",
- in, strerror(errno));
- }
- len = optimal_bufsize(fd, & sbuf);
- newfile = TRUE;
- if (buf != NULL)
- free(buf);
- emalloc(buf, char *, len + SLOP, "get_src_buf");
- lexptr_begin = buf + SLOP;
- samefile = TRUE;
- sourceline = 1;
- } else {
- /*
- * Here, we retain the current source line (up to length SLOP)
- * in the beginning of the buffer that was overallocated above
- */
- int offset;
- int linelen;
-
- offset = lexptr - lexeme;
- for (scan = lexeme; scan > lexptr_begin; scan--)
- if (*scan == '\n') {
- scan++;
- break;
- }
- linelen = lexptr - scan;
- if (linelen > SLOP)
- linelen = SLOP;
- thisline = buf + SLOP - linelen;
- memcpy(thisline, scan, linelen);
- lexeme = buf + SLOP - offset;
- lexptr_begin = thisline;
- }
- n = read(fd, buf + SLOP, len);
- if (n == -1)
- fatal("can't read sourcefile \"%s\" (%s)",
- source, strerror(errno));
- if (n == 0) {
- if (newfile) {
- static int warned = FALSE;
-
- if (do_lint && ! warned) {
- warned = TRUE;
- warning("source file `%s' is empty", source);
- }
- }
- close(fd);
- samefile = FALSE;
- nextfile++;
- if (lexeme)
- *lexeme = '\0';
- len = 0;
- goto again;
- }
- lexptr = buf + SLOP;
- lexend = lexptr + n;
- return buf;
- }
-
- /* tokadd --- add a character to the token buffer */
-
- #define tokadd(x) (*tok++ = (x), tok == tokend ? tokexpand() : tok)
-
- /* tokexpand --- grow the token buffer */
-
- char *
- tokexpand()
- {
- static int toksize = 60;
- int tokoffset;
-
- tokoffset = tok - tokstart;
- toksize *= 2;
- if (tokstart != NULL)
- erealloc(tokstart, char *, toksize, "tokexpand");
- else
- emalloc(tokstart, char *, toksize, "tokexpand");
- tokend = tokstart + toksize;
- tok = tokstart + tokoffset;
- return tok;
- }
-
- /* nextc --- get the next input character */
-
- #if DEBUG
- int
- nextc()
- {
- int c;
-
- if (lexptr && lexptr < lexend)
- c = *lexptr++;
- else if (get_src_buf())
- c = *lexptr++;
- else
- c = EOF;
-
- return c;
- }
- #else
- #define nextc() ((lexptr && lexptr < lexend) ? \
- *lexptr++ : \
- (get_src_buf() ? *lexptr++ : EOF) \
- )
- #endif
-
- /* pushback --- push a character back on the input */
-
- #define pushback() (lexptr && lexptr > lexptr_begin ? lexptr-- : lexptr)
-
- /* allow_newline --- allow newline after &&, ||, ? and : */
-
- static void
- allow_newline()
- {
- int c;
-
- for (;;) {
- c = nextc();
- if (c == EOF)
- break;
- if (c == '#') {
- while ((c = nextc()) != '\n' && c != EOF)
- continue;
- if (c == EOF)
- break;
- }
- if (c == '\n')
- sourceline++;
- if (! isspace(c)) {
- pushback();
- break;
- }
- }
- }
-
- /* yylex --- Read the input and turn it into tokens. */
-
- static int
- yylex()
- {
- register int c, c1;
- int seen_e = FALSE; /* These are for numbers */
- int seen_point = FALSE;
- int esc_seen; /* for literal strings */
- int low, mid, high;
- static int did_newline = FALSE;
- char *tokkey;
- static int lasttok = 0, eof_warned = FALSE;
- int inhex = FALSE;
-
- if (nextc() == EOF) {
- if (lasttok != NEWLINE) {
- lasttok = NEWLINE;
- if (do_lint && ! eof_warned) {
- warning("source file does not end in newline");
- eof_warned = TRUE;
- }
- return NEWLINE; /* fake it */
- }
- return 0;
- }
- pushback();
- #ifdef OS2
- /*
- * added for OS/2's extproc feature of cmd.exe
- * (like #! in BSD sh)
- */
- if (strncasecmp(lexptr, "extproc ", 8) == 0) {
- while (*lexptr && *lexptr != '\n')
- lexptr++;
- }
- #endif
- lexeme = lexptr;
- thisline = NULL;
- if (want_regexp) {
- int in_brack = 0; /* count brackets, [[:alnum:]] allowed */
- /*
- * Counting brackets is non-trivial. [[] is ok,
- * and so is [\]], with a point being that /[/]/ as a regexp
- * constant has to work.
- *
- * Do not count [ or ] if either one is preceded by a \.
- * A `[' should be counted if
- * a) it is the first one so far (in_brack == 0)
- * b) it is the `[' in `[:'
- * A ']' should be counted if not preceded by a \, since
- * it is either closing `:]' or just a plain list.
- * According to POSIX, []] is how you put a ] into a set.
- * Try to handle that too.
- *
- * The code for \ handles \[ and \].
- */
-
- want_regexp = FALSE;
- tok = tokstart;
- for (;;) {
- c = nextc();
- switch (c) {
- case '[':
- /* one day check for `.' and `=' too */
- if ((c1 = nextc()) == ':' || in_brack == 0)
- in_brack++;
- pushback();
- break;
- case ']':
- if (tokstart[0] == '['
- && (tok == tokstart + 1
- || (tok == tokstart + 2
- && tokstart[1] == '^')))
- /* do nothing */;
- else
- in_brack--;
- break;
- case '\\':
- if ((c = nextc()) == EOF) {
- yyerror("unterminated regexp ends with \\ at end of file");
- return lasttok = REGEXP; /* kludge */
- } else if (c == '\n') {
- sourceline++;
- continue;
- } else {
- tokadd('\\');
- tokadd(c);
- continue;
- }
- break;
- case '/': /* end of the regexp */
- if (in_brack > 0)
- break;
-
- pushback();
- tokadd('\0');
- yylval.sval = tokstart;
- return lasttok = REGEXP;
- case '\n':
- pushback();
- yyerror("unterminated regexp");
- return lasttok = REGEXP; /* kludge */
- case EOF:
- yyerror("unterminated regexp at end of file");
- return lasttok = REGEXP; /* kludge */
- }
- tokadd(c);
- }
- }
- retry:
- while ((c = nextc()) == ' ' || c == '\t')
- continue;
-
- lexeme = lexptr ? lexptr - 1 : lexptr;
- thisline = NULL;
- tok = tokstart;
- yylval.nodetypeval = Node_illegal;
-
- switch (c) {
- case EOF:
- if (lasttok != NEWLINE) {
- lasttok = NEWLINE;
- if (do_lint && ! eof_warned) {
- warning("source file does not end in newline");
- eof_warned = TRUE;
- }
- return NEWLINE; /* fake it */
- }
- return 0;
-
- case '\n':
- sourceline++;
- return lasttok = NEWLINE;
-
- case '#': /* it's a comment */
- while ((c = nextc()) != '\n') {
- if (c == EOF) {
- if (lasttok != NEWLINE) {
- lasttok = NEWLINE;
- if (do_lint && ! eof_warned) {
- warning(
- "source file does not end in newline");
- eof_warned = TRUE;
- }
- return NEWLINE; /* fake it */
- }
- return 0;
- }
- }
- sourceline++;
- return lasttok = NEWLINE;
-
- case '\\':
- #ifdef RELAXED_CONTINUATION
- /*
- * This code puports to allow comments and/or whitespace
- * after the `\' at the end of a line used for continuation.
- * Use it at your own risk. We think it's a bad idea, which
- * is why it's not on by default.
- */
- if (! do_traditional) {
- /* strip trailing white-space and/or comment */
- while ((c = nextc()) == ' ' || c == '\t')
- continue;
- if (c == '#') {
- if (do_lint)
- warning(
- "use of `\\ #...' line continuation is not portable");
- while ((c = nextc()) != '\n')
- if (c == EOF)
- break;
- }
- pushback();
- }
- #endif /* RELAXED_CONTINUATION */
- if (nextc() == '\n') {
- sourceline++;
- goto retry;
- } else {
- yyerror("backslash not last character on line");
- exit(1);
- }
- break;
-
- case '$':
- want_assign = TRUE;
- return lasttok = '$';
-
- case ':':
- case '?':
- allow_newline();
- /* fall through */
- case ')':
- case ']':
- case '(':
- case '[':
- case ';':
- case '{':
- case ',':
- return lasttok = c;
-
- case '*':
- if ((c = nextc()) == '=') {
- yylval.nodetypeval = Node_assign_times;
- return lasttok = ASSIGNOP;
- } else if (do_posix) {
- pushback();
- return lasttok = '*';
- } else if (c == '*') {
- /* make ** and **= aliases for ^ and ^= */
- static int did_warn_op = FALSE, did_warn_assgn = FALSE;
-
- if (nextc() == '=') {
- if (do_lint && ! did_warn_assgn) {
- did_warn_assgn = TRUE;
- warning("**= is not allowed by POSIX");
- warning("operator `**=' is not supported in old awk");
- }
- yylval.nodetypeval = Node_assign_exp;
- return ASSIGNOP;
- } else {
- pushback();
- if (do_lint && ! did_warn_op) {
- did_warn_op = TRUE;
- warning("** is not allowed by POSIX");
- warning("operator `**' is not supported in old awk");
- }
- return lasttok = '^';
- }
- }
- pushback();
- return lasttok = '*';
-
- case '/':
- if (want_assign) {
- if (nextc() == '=') {
- yylval.nodetypeval = Node_assign_quotient;
- return lasttok = ASSIGNOP;
- }
- pushback();
- }
- return lasttok = '/';
-
- case '%':
- if (nextc() == '=') {
- yylval.nodetypeval = Node_assign_mod;
- return lasttok = ASSIGNOP;
- }
- pushback();
- return lasttok = '%';
-
- case '^':
- {
- static int did_warn_op = FALSE, did_warn_assgn = FALSE;
-
- if (nextc() == '=') {
- if (do_lint && ! did_warn_assgn) {
- did_warn_assgn = TRUE;
- warning("operator `^=' is not supported in old awk");
- }
- yylval.nodetypeval = Node_assign_exp;
- return lasttok = ASSIGNOP;
- }
- pushback();
- if (do_lint && ! did_warn_op) {
- did_warn_op = TRUE;
- warning("operator `^' is not supported in old awk");
- }
- return lasttok = '^';
- }
-
- case '+':
- if ((c = nextc()) == '=') {
- yylval.nodetypeval = Node_assign_plus;
- return lasttok = ASSIGNOP;
- }
- if (c == '+')
- return lasttok = INCREMENT;
- pushback();
- return lasttok = '+';
-
- case '!':
- if ((c = nextc()) == '=') {
- yylval.nodetypeval = Node_notequal;
- return lasttok = RELOP;
- }
- if (c == '~') {
- yylval.nodetypeval = Node_nomatch;
- want_assign = FALSE;
- return lasttok = MATCHOP;
- }
- pushback();
- return lasttok = '!';
-
- case '<':
- if (nextc() == '=') {
- yylval.nodetypeval = Node_leq;
- return lasttok = RELOP;
- }
- yylval.nodetypeval = Node_less;
- pushback();
- return lasttok = '<';
-
- case '=':
- if (nextc() == '=') {
- yylval.nodetypeval = Node_equal;
- return lasttok = RELOP;
- }
- yylval.nodetypeval = Node_assign;
- pushback();
- return lasttok = ASSIGNOP;
-
- case '>':
- if ((c = nextc()) == '=') {
- yylval.nodetypeval = Node_geq;
- return lasttok = RELOP;
- } else if (c == '>') {
- yylval.nodetypeval = Node_redirect_append;
- return lasttok = APPEND_OP;
- }
- yylval.nodetypeval = Node_greater;
- pushback();
- return lasttok = '>';
-
- case '~':
- yylval.nodetypeval = Node_match;
- want_assign = FALSE;
- return lasttok = MATCHOP;
-
- case '}':
- /*
- * Added did newline stuff. Easier than
- * hacking the grammar.
- */
- if (did_newline) {
- did_newline = FALSE;
- return lasttok = c;
- }
- did_newline++;
- --lexptr; /* pick up } next time */
- return lasttok = NEWLINE;
-
- case '"':
- esc_seen = FALSE;
- while ((c = nextc()) != '"') {
- if (c == '\n') {
- pushback();
- yyerror("unterminated string");
- exit(1);
- }
- if (c == '\\') {
- c = nextc();
- if (c == '\n') {
- sourceline++;
- continue;
- }
- esc_seen = TRUE;
- tokadd('\\');
- }
- if (c == EOF) {
- pushback();
- yyerror("unterminated string");
- exit(1);
- }
- tokadd(c);
- }
- yylval.nodeval = make_str_node(tokstart,
- tok - tokstart, esc_seen ? SCAN : 0);
- yylval.nodeval->flags |= PERM;
- return lasttok = YSTRING;
-
- case '-':
- if ((c = nextc()) == '=') {
- yylval.nodetypeval = Node_assign_minus;
- return lasttok = ASSIGNOP;
- }
- if (c == '-')
- return lasttok = DECREMENT;
- pushback();
- return lasttok = '-';
-
- case '.':
- c = nextc();
- pushback();
- if (! isdigit(c))
- return lasttok = '.';
- else
- c = '.';
- /* FALL THROUGH */
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- /* It's a number */
- for (;;) {
- int gotnumber = FALSE;
-
- tokadd(c);
- switch (c) {
- #ifdef BITOPS
- case 'x':
- case 'X':
- if (do_traditional)
- goto done;
- if (tok == tokstart + 2)
- inhex = TRUE;
- break;
- #endif /* BITOTS */
- case '.':
- if (seen_point) {
- gotnumber = TRUE;
- break;
- }
- seen_point = TRUE;
- break;
- case 'e':
- case 'E':
- if (inhex)
- break;
- if (seen_e) {
- gotnumber = TRUE;
- break;
- }
- seen_e = TRUE;
- if ((c = nextc()) == '-' || c == '+')
- tokadd(c);
- else
- pushback();
- break;
- #ifdef BITOPS
- case 'a':
- case 'A':
- case 'b':
- case 'B':
- case 'c':
- case 'C':
- case 'D':
- case 'd':
- case 'f':
- case 'F':
- if (do_traditional || ! inhex)
- goto done;
- /* fall through */
- #endif
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- break;
- default:
- done:
- gotnumber = TRUE;
- }
- if (gotnumber)
- break;
- c = nextc();
- }
- if (c != EOF)
- pushback();
- else if (do_lint && ! eof_warned) {
- warning("source file does not end in newline");
- eof_warned = TRUE;
- }
- tokadd('\0');
- #ifdef BITOPS
- if (! do_traditional && isnondecimal(tokstart))
- yylval.nodeval = make_number(nondec2awknum(tokstart, strlen(tokstart)));
- else
- #endif /* BITOPS */
- yylval.nodeval = make_number(atof(tokstart));
- yylval.nodeval->flags |= PERM;
- return lasttok = YNUMBER;
-
- case '&':
- if ((c = nextc()) == '&') {
- yylval.nodetypeval = Node_and;
- allow_newline();
- want_assign = FALSE;
- return lasttok = LEX_AND;
- }
- pushback();
- return lasttok = '&';
-
- case '|':
- if ((c = nextc()) == '|') {
- yylval.nodetypeval = Node_or;
- allow_newline();
- want_assign = FALSE;
- return lasttok = LEX_OR;
- }
- pushback();
- return lasttok = '|';
- }
-
- if (c != '_' && ! isalpha(c)) {
- yyerror("Invalid char '%c' in expression\n", c);
- exit(1);
- }
-
- /* it's some type of name-type-thing. Find its length. */
- tok = tokstart;
- while (is_identchar(c)) {
- tokadd(c);
- c = nextc();
- }
- tokadd('\0');
- emalloc(tokkey, char *, tok - tokstart, "yylex");
- memcpy(tokkey, tokstart, tok - tokstart);
- if (c != EOF)
- pushback();
- else if (do_lint && ! eof_warned) {
- warning("source file does not end in newline");
- eof_warned = TRUE;
- }
-
- /* See if it is a special token. */
- low = 0;
- high = (sizeof(tokentab) / sizeof(tokentab[0])) - 1;
- while (low <= high) {
- int i;
-
- mid = (low + high) / 2;
- c = *tokstart - tokentab[mid].operator[0];
- i = c ? c : strcmp(tokstart, tokentab[mid].operator);
-
- if (i < 0) /* token < mid */
- high = mid - 1;
- else if (i > 0) /* token > mid */
- low = mid + 1;
- else {
- if (do_lint) {
- if (tokentab[mid].flags & GAWKX)
- warning("%s() is a gawk extension",
- tokentab[mid].operator);
- if (tokentab[mid].flags & RESX)
- warning("%s() is a Bell Labs extension",
- tokentab[mid].operator);
- if (tokentab[mid].flags & NOT_POSIX)
- warning("POSIX does not allow %s",
- tokentab[mid].operator);
- }
- if (do_lint_old && (tokentab[mid].flags & NOT_OLD))
- warning("%s is not supported in old awk",
- tokentab[mid].operator);
- if ((do_traditional && (tokentab[mid].flags & GAWKX))
- || (do_posix && (tokentab[mid].flags & NOT_POSIX)))
- break;
- if (tokentab[mid].class == LEX_BUILTIN
- || tokentab[mid].class == LEX_LENGTH
- )
- yylval.lval = mid;
- else
- yylval.nodetypeval = tokentab[mid].value;
-
- free(tokkey);
- return lasttok = tokentab[mid].class;
- }
- }
-
- yylval.sval = tokkey;
- if (*lexptr == '(')
- return lasttok = FUNC_CALL;
- else {
- want_assign = TRUE;
- return lasttok = NAME;
- }
- }
-
- /* node_common --- common code for allocating a new node */
-
- static NODE *
- node_common(op)
- NODETYPE op;
- {
- register NODE *r;
-
- getnode(r);
- r->type = op;
- r->flags = MALLOC;
- /* if lookahead is NL, lineno is 1 too high */
- if (lexeme && *lexeme == '\n')
- r->source_line = sourceline - 1;
- else
- r->source_line = sourceline;
- r->source_file = source;
- return r;
- }
-
- /* node --- allocates a node with defined lnode and rnode. */
-
- NODE *
- node(left, op, right)
- NODE *left, *right;
- NODETYPE op;
- {
- register NODE *r;
-
- r = node_common(op);
- r->lnode = left;
- r->rnode = right;
- return r;
- }
-
- /* snode --- allocate a node with defined subnode and proc for builtin
- functions. Checks for arg. count and supplies defaults where
- possible. */
-
- static NODE *
- snode(subn, op, idx)
- NODETYPE op;
- int idx;
- NODE *subn;
- {
- register NODE *r;
- register NODE *n;
- int nexp = 0;
- int args_allowed;
-
- r = node_common(op);
-
- /* traverse expression list to see how many args. given */
- for (n = subn; n != NULL; n = n->rnode) {
- nexp++;
- if (nexp > 3)
- break;
- }
-
- /* check against how many args. are allowed for this builtin */
- args_allowed = tokentab[idx].flags & ARGS;
- if (args_allowed && (args_allowed & A(nexp)) == 0)
- fatal("%s() cannot have %d argument%c",
- tokentab[idx].operator, nexp, nexp == 1 ? ' ' : 's');
-
- r->proc = tokentab[idx].ptr;
-
- /* special case processing for a few builtins */
- /*
- * FIXME: go through these to make sure that everything done
- * here is really right. Move anything that's not into
- * the corresponding routine.
- */
- if (nexp == 0 && r->proc == do_length) {
- subn = node(node(make_number(0.0), Node_field_spec, (NODE *) NULL),
- Node_expression_list,
- (NODE *) NULL);
- } else if (r->proc == do_match) {
- if (subn->rnode->lnode->type != Node_regex)
- subn->rnode->lnode = mk_rexp(subn->rnode->lnode);
- } else if (r->proc == do_sub || r->proc == do_gsub) {
- if (subn->lnode->type != Node_regex)
- subn->lnode = mk_rexp(subn->lnode);
- if (nexp == 2)
- append_right(subn, node(node(make_number(0.0),
- Node_field_spec,
- (NODE *) NULL),
- Node_expression_list,
- (NODE *) NULL));
- else if (subn->rnode->rnode->lnode->type == Node_val) {
- if (do_lint)
- warning("string literal as last arg of substitute");
- } else if (! isassignable(subn->rnode->rnode->lnode))
- yyerror("%s third parameter is not a changeable object",
- r->proc == do_sub ? "sub" : "gsub");
- } else if (r->proc == do_gensub) {
- if (subn->lnode->type != Node_regex)
- subn->lnode = mk_rexp(subn->lnode);
- if (nexp == 3)
- append_right(subn, node(node(make_number(0.0),
- Node_field_spec,
- (NODE *) NULL),
- Node_expression_list,
- (NODE *) NULL));
- } else if (r->proc == do_split) {
- if (nexp == 2)
- append_right(subn,
- node(FS_node, Node_expression_list, (NODE *) NULL));
- n = subn->rnode->rnode->lnode;
- if (n->type != Node_regex)
- subn->rnode->rnode->lnode = mk_rexp(n);
- if (nexp == 2)
- subn->rnode->rnode->lnode->re_flags |= FS_DFLT;
- }
-
- r->subnode = subn;
- return r;
- }
-
- /*
- * mkrangenode:
- * This allocates a Node_line_range node with defined condpair and
- * zeroes the trigger word to avoid the temptation of assuming that calling
- * 'node( foo, Node_line_range, 0)' will properly initialize 'triggered'.
- * Otherwise like node().
- */
-
- static NODE *
- mkrangenode(cpair)
- NODE *cpair;
- {
- register NODE *r;
-
- getnode(r);
- r->type = Node_line_range;
- r->condpair = cpair;
- r->triggered = FALSE;
- return r;
- }
-
- /* make_for_loop --- build a for loop */
-
- static NODE *
- make_for_loop(init, cond, incr)
- NODE *init, *cond, *incr;
- {
- register FOR_LOOP_HEADER *r;
- NODE *n;
-
- emalloc(r, FOR_LOOP_HEADER *, sizeof(FOR_LOOP_HEADER), "make_for_loop");
- getnode(n);
- n->type = Node_illegal;
- r->init = init;
- r->cond = cond;
- r->incr = incr;
- n->sub.nodep.r.hd = r;
- return n;
- }
-
- /* dup_parms --- return TRUE if there are duplicate parameters */
-
- static int
- dup_parms(func)
- NODE *func;
- {
- register NODE *np;
- char *fname, **names;
- int count, i, j, dups;
- NODE *params;
-
- if (func == NULL) /* error earlier */
- return TRUE;
-
- fname = func->param;
- count = func->param_cnt;
- params = func->rnode;
-
- if (count == 0) /* no args, no problem */
- return FALSE;
-
- if (params == NULL) /* error earlier */
- return TRUE;
-
- emalloc(names, char **, count * sizeof(char *), "dup_parms");
-
- i = 0;
- for (np = params; np != NULL; np = np->rnode) {
- if (np->param == NULL) { /* error earlier, give up, go home */
- free(names);
- return TRUE;
- }
- names[i++] = np->param;
- }
-
- dups = 0;
- for (i = 1; i < count; i++) {
- for (j = 0; j < i; j++) {
- if (strcmp(names[i], names[j]) == 0) {
- dups++;
- error(
- "function `%s': parameter #%d, `%s', duplicates parameter #%d",
- fname, i+1, names[j], j+1);
- }
- }
- }
-
- free(names);
- return (dups > 0 ? TRUE : FALSE);
- }
-
- /*
- * install:
- * Install a name in the symbol table, even if it is already there.
- * Caller must check against redefinition if that is desired.
- */
-
- NODE *
- install(name, value)
- char *name;
- NODE *value;
- {
- register NODE *hp;
- register size_t len;
- register int bucket;
-
- len = strlen(name);
- bucket = hash(name, len, (unsigned long) HASHSIZE);
- getnode(hp);
- hp->type = Node_hashnode;
- hp->hnext = variables[bucket];
- variables[bucket] = hp;
- hp->hlength = len;
- hp->hvalue = value;
- hp->hname = name;
- hp->hvalue->vname = name;
- return hp->hvalue;
- }
-
- /* lookup --- find the most recent hash node for name installed by install */
-
- NODE *
- lookup(name)
- const char *name;
- {
- register NODE *bucket;
- register size_t len;
-
- len = strlen(name);
- for (bucket = variables[hash(name, len, (unsigned long) HASHSIZE)];
- bucket != NULL; bucket = bucket->hnext)
- if (bucket->hlength == len && STREQN(bucket->hname, name, len))
- return bucket->hvalue;
-
- return NULL;
- }
-
- /*
- * append_right:
- * Add new to the rightmost branch of LIST. This uses n^2 time, so we make
- * a simple attempt at optimizing it.
- */
-
- static NODE *
- append_right(list, new)
- NODE *list, *new;
- {
- register NODE *oldlist;
- static NODE *savefront = NULL, *savetail = NULL;
-
- oldlist = list;
- if (savefront == oldlist) {
- savetail = savetail->rnode = new;
- return oldlist;
- } else
- savefront = oldlist;
- while (list->rnode != NULL)
- list = list->rnode;
- savetail = list->rnode = new;
- return oldlist;
- }
-
- /*
- * func_install:
- * check if name is already installed; if so, it had better have Null value,
- * in which case def is added as the value. Otherwise, install name with def
- * as value.
- */
-
- static void
- func_install(params, def)
- NODE *params;
- NODE *def;
- {
- NODE *r;
-
- pop_params(params->rnode);
- pop_var(params, FALSE);
- r = lookup(params->param);
- if (r != NULL) {
- fatal("function name `%s' previously defined", params->param);
- } else
- (void) install(params->param, node(params, Node_func, def));
-
- func_use(params->param, FUNC_DEFINE);
- }
-
- /* pop_var --- remove a variable from the symbol table */
-
- static void
- pop_var(np, freeit)
- NODE *np;
- int freeit;
- {
- register NODE *bucket, **save;
- register size_t len;
- char *name;
-
- name = np->param;
- len = strlen(name);
- save = &(variables[hash(name, len, (unsigned long) HASHSIZE)]);
- for (bucket = *save; bucket != NULL; bucket = bucket->hnext) {
- if (len == bucket->hlength && STREQN(bucket->hname, name, len)) {
- *save = bucket->hnext;
- freenode(bucket);
- if (freeit)
- free(np->param);
- return;
- }
- save = &(bucket->hnext);
- }
- }
-
- /* pop_params --- remove list of function parameters from symbol table */
-
- /*
- * pop parameters out of the symbol table. do this in reverse order to
- * avoid reading freed memory if there were duplicated parameters.
- */
- static void
- pop_params(params)
- NODE *params;
- {
- if (params == NULL)
- return;
- pop_params(params->rnode);
- pop_var(params, TRUE);
- }
-
- /* make_param --- make NAME into a function parameter */
-
- static NODE *
- make_param(name)
- char *name;
- {
- NODE *r;
-
- getnode(r);
- r->type = Node_param_list;
- r->rnode = NULL;
- r->param = name;
- r->param_cnt = param_counter++;
- return (install(name, r));
- }
-
- static struct fdesc {
- char *name;
- short used;
- short defined;
- struct fdesc *next;
- } *ftable[HASHSIZE];
-
- /* func_use --- track uses and definitions of functions */
-
- static void
- func_use(name, how)
- char *name;
- enum defref how;
- {
- struct fdesc *fp;
- int len;
- int ind;
-
- len = strlen(name);
- ind = hash(name, len, HASHSIZE);
-
- for (fp = ftable[ind]; fp != NULL; fp = fp->next) {
- if (strcmp(fp->name, name) == 0) {
- if (how == FUNC_DEFINE)
- fp->defined++;
- else
- fp->used++;
- return;
- }
- }
-
- /* not in the table, fall through to allocate a new one */
-
- emalloc(fp, struct fdesc *, sizeof(struct fdesc), "func_use");
- memset(fp, '\0', sizeof(struct fdesc));
- emalloc(fp->name, char *, len + 1, "func_use");
- strcpy(fp->name, name);
- if (how == FUNC_DEFINE)
- fp->defined++;
- else
- fp->used++;
- fp->next = ftable[ind];
- ftable[ind] = fp;
- }
-
- /* check_funcs --- verify functions that are called but not defined */
-
- static void
- check_funcs()
- {
- struct fdesc *fp, *next;
- int i;
-
- for (i = 0; i < HASHSIZE; i++) {
- for (fp = ftable[i]; fp != NULL; fp = fp->next) {
- #ifdef REALLYMEAN
- /* making this the default breaks old code. sigh. */
- if (fp->defined == 0) {
- error(
- "function `%s' called but never defined", fp->name);
- errcount++;
- }
- #else
- if (do_lint && fp->defined == 0)
- warning(
- "function `%s' called but never defined", fp->name);
- #endif
- if (do_lint && fp->used == 0) {
- warning("function `%s' defined but never called",
- fp->name);
- }
- }
- }
-
- /* now let's free all the memory */
- for (i = 0; i < HASHSIZE; i++) {
- for (fp = ftable[i]; fp != NULL; fp = next) {
- next = fp->next;
- free(fp->name);
- free(fp);
- }
- }
- }
-
- /* param_sanity --- look for parameters that are regexp constants */
-
- static void
- param_sanity(arglist)
- NODE *arglist;
- {
- NODE *argp, *arg;
- int i;
-
- for (i = 1, argp = arglist; argp != NULL; argp = argp->rnode, i++) {
- arg = argp->lnode;
- if (arg->type == Node_regex)
- warning("regexp constant for parameter #%d yields boolean value", i);
- }
- }
-
- /* variable --- make sure NAME is in the symbol table */
-
- NODE *
- variable(name, can_free, type)
- char *name;
- int can_free;
- NODETYPE type;
- {
- register NODE *r;
- static int env_loaded = FALSE;
-
- if (! env_loaded && STREQ(name, "ENVIRON")) {
- load_environ();
- env_loaded = TRUE;
- }
- if ((r = lookup(name)) == NULL)
- r = install(name, node(Nnull_string, type, (NODE *) NULL));
- else if (can_free)
- free(name);
- return r;
- }
-
- /* mk_rexp --- make a regular expression constant */
-
- static NODE *
- mk_rexp(exp)
- NODE *exp;
- {
- NODE *n;
-
- if (exp->type == Node_regex)
- return exp;
-
- getnode(n);
- n->type = Node_regex;
- n->re_exp = exp;
- n->re_text = NULL;
- n->re_reg = NULL;
- n->re_flags = 0;
- n->re_cnt = 1;
- return n;
- }
-
- /* isnoeffect --- when used as a statement, has no side effects */
-
- /*
- * To be completely general, we should recursively walk the parse
- * tree, to make sure that all the subexpressions also have no effect.
- * Instead, we just weaken the actual warning that's printed, up above
- * in the grammar.
- */
-
- static int
- isnoeffect(type)
- NODETYPE type;
- {
- switch (type) {
- case Node_times:
- case Node_quotient:
- case Node_mod:
- case Node_plus:
- case Node_minus:
- case Node_subscript:
- case Node_concat:
- case Node_exp:
- case Node_unary_minus:
- case Node_field_spec:
- case Node_and:
- case Node_or:
- case Node_equal:
- case Node_notequal:
- case Node_less:
- case Node_greater:
- case Node_leq:
- case Node_geq:
- case Node_match:
- case Node_nomatch:
- case Node_not:
- case Node_val:
- case Node_in_array:
- case Node_NF:
- case Node_NR:
- case Node_FNR:
- case Node_FS:
- case Node_RS:
- case Node_FIELDWIDTHS:
- case Node_IGNORECASE:
- case Node_OFS:
- case Node_ORS:
- case Node_OFMT:
- case Node_CONVFMT:
- return TRUE;
- default:
- break; /* keeps gcc -Wall happy */
- }
-
- return FALSE;
- }
-
- /* isassignable --- can this node be assigned to? */
-
- static int
- isassignable(n)
- register NODE *n;
- {
- switch (n->type) {
- case Node_var:
- case Node_FIELDWIDTHS:
- case Node_RS:
- case Node_FS:
- case Node_FNR:
- case Node_NR:
- case Node_NF:
- case Node_IGNORECASE:
- case Node_OFMT:
- case Node_CONVFMT:
- case Node_ORS:
- case Node_OFS:
- case Node_field_spec:
- case Node_subscript:
- return TRUE;
- case Node_param_list:
- return ((n->flags & FUNC) == 0); /* ok if not func name */
- default:
- break; /* keeps gcc -Wall happy */
- }
- return FALSE;
- }
-