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awktab.c
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C/C++ Source or Header
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1996-09-28
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108KB
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3,455 lines
/* A Bison parser, made from awk.y with Bison version GNU Bison version 1.22
*/
#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_IN 287
#define LEX_AND 288
#define LEX_OR 289
#define INCREMENT 290
#define DECREMENT 291
#define LEX_BUILTIN 292
#define LEX_LENGTH 293
#define UNARY 294
#line 26 "awk.y"
#ifdef DEBUG
#define YYDEBUG 12
#endif
#include "awk.h"
static void yyerror (); /* va_alist */
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 int want_assign; /* lexical scanning kludge */
static int want_regexp; /* lexical scanning kludge */
static int can_return; /* lexical scanning kludge */
static int io_allowed = 1; /* 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 75 "awk.y"
typedef union {
long lval;
AWKNUM fval;
NODE *nodeval;
NODETYPE nodetypeval;
char *sval;
NODE *(*ptrval)();
} YYSTYPE;
#ifndef YYLTYPE
typedef
struct yyltype
{
int timestamp;
int first_line;
int first_column;
int last_line;
int last_column;
char *text;
}
yyltype;
#define YYLTYPE yyltype
#endif
#include <stdio.h>
#ifndef __cplusplus
#ifndef __STDC__
#define const
#endif
#endif
#define YYFINAL 310
#define YYFLAG -32768
#define YYNTBASE 61
#define YYTRANSLATE(x) ((unsigned)(x) <= 294 ? yytranslate[x] : 106)
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, 50, 2, 2, 53, 49, 2, 2, 54,
55, 47, 45, 41, 46, 2, 48, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 40, 60, 42,
2, 43, 39, 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,
56, 2, 57, 52, 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, 58, 44, 59, 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, 51
};
#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, 193, 194, 199, 206, 210, 213, 215, 217,
224, 234, 236, 239, 240, 242, 243, 246, 247, 250,
253, 256, 257, 259, 261, 265, 267, 270, 274, 275,
277, 278, 280, 282, 286, 288, 291, 295, 299, 300,
302, 304, 308, 310, 313, 317, 321, 322, 327, 333,
338, 342, 346, 350, 354, 356, 359, 363, 367, 371,
375, 381, 383, 386, 387, 392, 396, 400, 404, 406,
409, 413, 417, 421, 427, 429, 432, 434, 438, 442,
446, 450, 454, 458, 461, 464, 467, 471, 476, 481,
483, 488, 490, 493, 496, 498, 500, 503, 506, 507,
509, 511, 516, 519, 522, 525, 527, 528, 530, 532
};
static const short yyrhs[] = { 82,
62, 82, 0, 63, 0, 62, 63, 0, 1, 0,
62, 1, 0, 0, 0, 15, 64, 74, 0, 0,
16, 65, 74, 0, 15, 76, 0, 16, 76, 0,
71, 74, 0, 74, 0, 71, 76, 0, 68, 70,
0, 4, 0, 3, 0, 67, 0, 37, 0, 38,
0, 0, 30, 69, 66, 54, 85, 102, 82, 0,
100, 75, 101, 103, 0, 100, 101, 103, 82, 0,
92, 0, 92, 41, 92, 0, 0, 48, 73, 5,
48, 0, 100, 75, 101, 103, 82, 0, 100, 101,
103, 82, 0, 77, 0, 75, 77, 0, 1, 0,
75, 1, 0, 81, 0, 104, 82, 0, 104, 82,
0, 100, 101, 0, 100, 75, 101, 0, 80, 0,
21, 54, 92, 102, 82, 77, 0, 22, 82, 77,
21, 54, 92, 102, 82, 0, 23, 54, 4, 32,
4, 102, 82, 77, 0, 23, 54, 87, 104, 92,
104, 87, 102, 82, 77, 0, 23, 54, 87, 104,
104, 87, 102, 82, 77, 0, 24, 76, 0, 25,
76, 0, 79, 54, 91, 102, 84, 76, 0, 79,
88, 84, 76, 0, 28, 87, 76, 0, 29, 87,
76, 0, 0, 19, 78, 87, 76, 0, 20, 4,
56, 91, 57, 76, 0, 20, 4, 76, 0, 92,
76, 0, 26, 0, 27, 0, 17, 54, 92, 102,
82, 77, 0, 17, 54, 92, 102, 82, 77, 18,
82, 77, 0, 13, 0, 81, 13, 0, 0, 81,
0, 0, 42, 96, 0, 0, 43, 92, 0, 10,
92, 0, 44, 92, 0, 0, 86, 0, 4, 0,
86, 105, 4, 0, 1, 0, 86, 1, 0, 86,
105, 1, 0, 0, 92, 0, 0, 89, 0, 94,
0, 89, 105, 94, 0, 1, 0, 89, 1, 0,
89, 1, 94, 0, 89, 105, 1, 0, 0, 91,
0, 92, 0, 91, 105, 92, 0, 1, 0, 91,
1, 0, 91, 1, 92, 0, 91, 105, 1, 0,
0, 99, 11, 93, 92, 0, 54, 91, 102, 32,
4, 0, 92, 44, 31, 98, 0, 31, 98, 83,
0, 92, 33, 92, 0, 92, 34, 92, 0, 92,
12, 92, 0, 72, 0, 50, 72, 0, 92, 32,
4, 0, 92, 9, 92, 0, 92, 42, 92, 0,
92, 43, 92, 0, 92, 39, 92, 40, 92, 0,
96, 0, 92, 96, 0, 0, 99, 11, 95, 94,
0, 94, 33, 94, 0, 94, 34, 94, 0, 31,
98, 83, 0, 72, 0, 50, 72, 0, 94, 12,
94, 0, 94, 32, 4, 0, 94, 9, 94, 0,
94, 39, 94, 40, 94, 0, 96, 0, 94, 96,
0, 97, 0, 96, 52, 96, 0, 96, 47, 96,
0, 96, 48, 96, 0, 96, 49, 96, 0, 96,
45, 96, 0, 96, 46, 96, 0, 99, 35, 0,
99, 36, 0, 50, 96, 0, 54, 92, 102, 0,
37, 54, 90, 102, 0, 38, 54, 90, 102, 0,
38, 0, 3, 54, 90, 102, 0, 99, 0, 35,
99, 0, 36, 99, 0, 7, 0, 8, 0, 46,
96, 0, 45, 96, 0, 0, 99, 0, 4, 0,
4, 56, 91, 57, 0, 53, 97, 0, 58, 82,
0, 59, 82, 0, 55, 0, 0, 104, 0, 60,
0, 41, 82, 0
};
#endif
#if YYDEBUG != 0
static const short yyrline[] = { 0,
136, 141, 149, 165, 166, 167, 171, 173, 187, 189,
203, 209, 215, 217, 219, 232, 241, 243, 245, 255,
256, 260, 264, 275, 280, 289, 291, 300, 302, 320,
322, 327, 329, 337, 339, 344, 345, 349, 351, 353,
355, 357, 359, 361, 366, 370, 375, 378, 381, 383,
403, 430, 432, 434, 436, 438, 452, 457, 459, 464,
469, 476, 478, 482, 483, 487, 489, 494, 496, 498,
500, 505, 507, 512, 514, 516, 518, 520, 526, 528,
533, 535, 540, 542, 548, 550, 552, 554, 559, 561,
566, 568, 574, 576, 578, 580, 585, 588, 593, 595,
600, 606, 608, 610, 616, 626, 634, 636, 642, 644,
646, 648, 650, 655, 658, 659, 661, 663, 669, 671,
673, 675, 677, 679, 681, 683, 688, 690, 692, 694,
696, 698, 700, 702, 704, 709, 711, 713, 716, 718,
726, 731, 732, 734, 736, 738, 741, 748, 757, 759,
764, 766, 774, 779, 783, 787, 791, 792, 796, 799
};
static const char * const yytname[] = { "$","error","$illegal.","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_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",""
};
#endif
static const short yyr1[] = { 0,
61, 62, 62, 62, 62, 62, 64, 63, 65, 63,
63, 63, 63, 63, 63, 63, 66, 66, 66, 67,
67, 69, 68, 70, 70, 71, 71, 73, 72, 74,
74, 75, 75, 75, 75, 76, 76, 77, 77, 77,
77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
77, 77, 78, 77, 77, 77, 77, 79, 79, 80,
80, 81, 81, 82, 82, 83, 83, 84, 84, 84,
84, 85, 85, 86, 86, 86, 86, 86, 87, 87,
88, 88, 89, 89, 89, 89, 89, 89, 90, 90,
91, 91, 91, 91, 91, 91, 93, 92, 92, 92,
92, 92, 92, 92, 92, 92, 92, 92, 92, 92,
92, 92, 92, 95, 94, 94, 94, 94, 94, 94,
94, 94, 94, 94, 94, 94, 96, 96, 96, 96,
96, 96, 96, 96, 96, 97, 97, 97, 97, 97,
97, 97, 97, 97, 97, 97, 97, 97, 98, 98,
99, 99, 99, 100, 101, 102, 103, 103, 104, 105
};
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, 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[] = { 64,
62, 65, 0, 63, 4, 0, 151, 145, 146, 7,
9, 22, 149, 0, 0, 0, 140, 0, 0, 28,
0, 0, 0, 64, 0, 2, 0, 0, 105, 14,
26, 112, 127, 142, 0, 0, 0, 159, 0, 11,
36, 64, 0, 12, 0, 66, 150, 143, 144, 0,
0, 0, 0, 148, 142, 147, 0, 106, 136, 153,
142, 93, 0, 91, 154, 5, 3, 1, 16, 0,
13, 15, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 113, 0, 0, 0, 0, 0, 0, 97,
134, 135, 34, 0, 53, 0, 0, 64, 0, 0,
0, 58, 59, 79, 79, 64, 0, 32, 0, 41,
0, 0, 157, 64, 0, 0, 91, 0, 8, 37,
10, 18, 17, 20, 21, 0, 19, 0, 101, 0,
0, 0, 0, 94, 64, 156, 0, 0, 137, 0,
157, 108, 104, 107, 102, 103, 0, 27, 109, 110,
149, 132, 133, 129, 130, 131, 128, 0, 0, 79,
0, 0, 0, 79, 47, 48, 0, 80, 0, 155,
35, 33, 157, 85, 149, 0, 0, 119, 68, 0,
83, 125, 142, 57, 0, 39, 64, 158, 38, 141,
152, 0, 67, 138, 139, 29, 95, 160, 0, 96,
92, 157, 64, 0, 100, 98, 0, 0, 0, 56,
0, 0, 151, 0, 51, 52, 64, 66, 120, 0,
0, 0, 0, 0, 86, 0, 0, 0, 0, 0,
0, 0, 126, 114, 40, 31, 76, 74, 0, 0,
99, 24, 25, 111, 64, 54, 0, 64, 0, 0,
0, 30, 118, 68, 70, 69, 71, 50, 87, 88,
84, 123, 121, 122, 116, 117, 0, 0, 64, 77,
0, 0, 0, 0, 0, 0, 0, 79, 0, 0,
115, 23, 78, 75, 60, 55, 42, 0, 64, 79,
0, 49, 124, 64, 64, 0, 0, 64, 0, 43,
44, 64, 0, 61, 0, 46, 45, 0, 0, 0
};
static const short yydefgoto[] = { 308,
25, 26, 39, 43, 126, 127, 27, 45, 69, 28,
29, 57, 30, 107, 40, 108, 160, 109, 110, 2,
3, 129, 224, 239, 240, 167, 179, 180, 115, 116,
111, 158, 181, 268, 32, 33, 46, 34, 112, 113,
139, 187, 42, 138
};
static const short yypact[] = { 2,
-32768, 15, 842,-32768,-32768, -44, -27,-32768,-32768, 6,
6,-32768, 3, 3, 3, -15, -9, 1684, 1684,-32768,
1678, 1684, 1093, 2, 898,-32768, 32, 46,-32768,-32768,
1262, 197,-32768, 49, 665, 1072, 1093,-32768, 32,-32768,
15, 2, 32,-32768, 96, 7,-32768,-32768,-32768, 1072,
1072, 1684, 1474, -21, -11, -21, 86,-32768, -21,-32768,
-32768,-32768, 0, 1209,-32768,-32768,-32768,-32768,-32768, 665,
-32768,-32768, 1474, 1474, 89, 1474, 1474, 1474, 1474, 1474,
1474, 63, 197, 1684, 1684, 1684, 1684, 1684, 1684,-32768,
-32768,-32768,-32768, 55,-32768, 99, 56, 2, 66, 6,
6,-32768,-32768, 1474, 1474, 2, 756,-32768, 816,-32768,
518, 665, 61, 2, 68, 41, 1358, 11,-32768,-32768,
-32768,-32768,-32768,-32768,-32768, 71,-32768, 1684,-32768, 68,
68, 1209, 79, 1474, 2,-32768, 98, 1141,-32768, 756,
61, 1745, 1732,-32768, 1494, 1406, 1310, 1358, 1745, 1745,
3, 90, 90, -21, -21, -21, -21, 1474, 1474, 1474,
59, 1474, 946, 1602,-32768,-32768, 6, 1358, 6,-32768,
-32768,-32768, 61,-32768, 3, 1678, 1093,-32768, 44, 85,
1542, 197, 111,-32768, 756,-32768, 2,-32768,-32768,-32768,
-32768, 26, 197,-32768,-32768,-32768, 1358,-32768, 128,-32768,
1358, 61, 2, 1474,-32768, 1358, 1209, 6, 1093,-32768,
1209, 119, -24, 61,-32768,-32768, 2, 7,-32768, 0,
1474, 1474, 1474, 6, 1658, 1161, 1658, 1658, 137, 1658,
1658, 1658, 197,-32768,-32768,-32768,-32768,-32768, 68, 42,
-32768,-32768,-32768, 1358, 2,-32768, 12, 2, 94, 139,
1024,-32768,-32768, 44, 1358, 1358, 1358,-32768, 1542,-32768,
1542, 415, 1222,-32768, 1622, 1582, 1454, 1658, 2,-32768,
22, 946, 6, 946, 1474, 68, 1004, 1474, 6, 1658,
1542,-32768,-32768,-32768, 131,-32768,-32768, 1209, 2, 1474,
68,-32768, 1542, 2, 2, 946, 68, 2, 946,-32768,
-32768, 2, 946,-32768, 946,-32768,-32768, 151, 153,-32768
};
static const short yypgoto[] = {-32768,
-32768, 125,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
84,-32768, -22, -54, 334, -96,-32768,-32768,-32768, 202,
38, -58, -92,-32768,-32768, -103,-32768,-32768, -14, -19,
-3,-32768, -114,-32768, 368, 145, -137, 150, 183, -61,
-23, -138, 469, -175
};
#define YYLAST 1799
static const short yytable[] = { 31,
134, 169, 203, 63, 226, 71, 7, 250, 141, 36,
172, 134, 134, 205, 1, 140, 119, 118, 1, 64,
121, 31, 283, 91, 92, 284, 237, 4, 37, 238,
89, 37, 117, 117, 217, 130, 131, 218, 50, 137,
135, 134, 270, 172, 51, 173, 117, 117, 128, 132,
186, 135, 135, 221, 136, 22, 208, 185, 1, 90,
214, 65, 68, 242, 271, 38, 212, 191, 273, 142,
143, 1, 145, 146, 147, 148, 149, 150, 202, 120,
-72, 135, 135, 91, 92, 225, 222, 223, 172, 24,
133, 190, 144, 151, -82, -90, -73, -82, 122, 123,
168, 168, 161, 24, 58, 38, 194, 195, 159, 162,
259, 261, 262, 263, 209, 265, 266, 267, 38, 164,
38, 234, 136, 235, 192, 135, 196, -82, -82, 199,
197, 241, 124, 125, 201, 163, 86, 87, 88, 249,
264, 89, 276, 170, -82, 91, 92, 275, 294, 67,
309, 189, 310, 281, 206, 207, 168, 220, 211, 253,
168, 279, 47, 48, 49, 293, 60, 55, 55, 0,
55, 61, 198, 64, 291, 285, 0, 287, 0, 0,
55, 0, 0, 245, 0, 35, 297, 248, 0, 247,
0, 0, 178, 0, 0, 0, 254, 0, 0, 301,
244, 55, 304, 0, 0, 117, 306, 35, 307, 70,
35, 41, 41, 55, 0, 269, 0, 255, 256, 257,
0, 35, 0, 0, 236, 35, 0, 0, 0, 41,
0, 0, 0, 55, 55, 55, 55, 55, 55, 0,
243, 84, 85, 86, 87, 88, 0, 277, 89, 0,
0, 0, 289, 0, 252, 0, 0, 0, 183, 219,
55, 0, 0, 0, 295, 0, 55, 298, 0, 0,
0, 288, 0, 302, 168, 0, 0, 55, 0, 0,
0, 55, 272, 0, 0, 274, 168, 0, 0, 0,
0, 55, 55, 0, 55, 55, 55, 55, 55, 55,
47, 41, 41, 0, 0, 0, 282, 0, 178, 178,
178, 178, 41, 178, 178, 178, 0, 55, 0, 0,
0, 0, 0, 0, 47, 55, 296, 0, 0, 0,
55, 299, 300, 0, 0, 303, 0, 0, 0, 305,
0, 0, 0, 0, 44, 0, 55, 0, 0, 0,
55, 178, 0, 0, 0, 55, 55, 0, 0, 0,
55, 72, 41, 178, 0, 0, 0, 0, 41, 0,
41, 0, 0, 0, 183, 183, 183, 183, 0, 183,
183, 183, 0, 0, 0, 54, 56, 0, 59, 0,
0, 0, 0, 55, 0, 0, 0, 0, 83, 0,
0, 0, 0, 0, 55, 55, 55, 0, 55, 41,
55, 55, 55, 0, 55, 55, 55, 183, 7, 59,
0, 8, 9,-32768, 0, 41, 55, 0, 0, 183,
55, 83, 0, 165, 166, 0, 0, 55, 0, 0,
0, 0, 55, 0, 184, 0, 0, 0, 0, 14,
15, 152, 153, 154, 155, 156, 157, 0, 0, 18,
19, 0, 0, 0, 52, 0, 0, 22, 53, 0,
0, 0, 0, 0, 41, 0, 182, 0, 83, 0,
41, 0, 0, 0, 83, 0, 0, 0, 0, 0,
0, 0, 0, 0, 210, 193, 0, 0, 0, 83,
215, 0, 216, 114, 0, 0, 0, 0, 0, 83,
83, 0, 83, 83, 83, 83, 83, 83, 0, 0,
6, 7, 0, 0, 8, 9, 73, 0, 0, 74,
1, 0, 0, 0, 0, 83, 0, 0, 114, 0,
0, 246, 0, 59, 0, 0, 0, 0, 233, 75,
76, 77, 14, 15, 16, 17, 78, 258, 0, 80,
81, 82, 18, 19, 83, 0, 0, 52, 83, 0,
22, 53, 0, 83, 83, 114, 0, 38, 83, 0,
114, 188, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 182, 182, 182, 182, 0, 182, 182, 182,
0, 0, 0, 0, 0, 0, 286, 0, 114, 188,
0, 83, 292, 0, 0, 0, 0, 0, 0, 0,
0, 0, 83, 83, 83, 0, 233, 0, 233, 233,
233, 114, 233, 233, 233, 182, 0, 0, 0, 0,
0, 188, 0, 0, 83, 0, 0, 182, 233, 0,
0, 0, 0, 114, 0, 83, 0, 0, 0, 0,
233, 0, 0, 0, 0, 93, 0, 6, 7, 0,
188, 8, 9, 0, 0, 0, 0, 0, 0, 0,
0, 94, 251, 95, 96, 97, 98, 99, 100, 101,
102, 103, 104, 105, 0, 13, 0, 0, 0, 14,
15, 16, 17, 0, 0, 0, 0, 0, 0, 18,
19, 0, 20, 0, 21, 0, 0, 22, 23, 278,
0, 0, 24, 106, 38, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
114, 0, 114, 0, 0, 290, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 171, 0, 6, 7,
0, 0, 8, 9, 114, 0, 0, 114, 0, 0,
0, 114, 94, 114, 95, 96, 97, 98, 99, 100,
101, 102, 103, 104, 105, 0, 13, 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, 106, 38, 174, 0, 6, 7,
0, 0, 8, 9, 0, -81, 0, 0, -81, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, -6, 5, 0, 6, 7, 175, 0, 8, 9,
14, 15, 16, 17, -6, 0, 10, 11, -81, -81,
18, 19, 0, 20, 0, 176, 0, 0, 22, 177,
0, 12, 13, 0, 0, -81, 14, 15, 16, 17,
0, 0, 0, 0, 0, 0, 18, 19, 0, 20,
0, 21, 0, 0, 22, 23, 0, -64, 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, 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, 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, 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, 14, 15,
16, 17, 0, 38, 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, 14, 15, 16, 17,
0, 0, 0, 0, 0, 0, 18, 19, 0, 20,
0, 21, 0, 13, 22, 23, -89, 14, 15, 16,
17, 0, 0, 0, 0, 0, 0, 18, 19, 0,
20, 200, 21, 6, 7, 22, 23, 8, 9, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 260, 0, 6, 7, 0, 0, 8, 9, 0,
0, 13, 0, 0, 0, 14, 15, 16, 17, 0,
0, 0, 0, 0, 0, 18, 19, 0, 20, 0,
21, 175, 0, 22, 23, 14, 15, 16, 17, 0,
0, 0, 0, 0, 0, 18, 19, 0, 20, 0,
176, 6, 7, 22, 53, 8, 9, 73, 0, 0,
74, 0, 0, 0, 0, 7, 0, 0, 8, 9,
227, 0, 0,-32768, 0, 0, 0, 0, 0, 0,
75, 76, 77, 14, 15, 16, 17, 78, 0, 0,
80, 81, 82, 18, 19, 0, 14, 15, 52, 0,
0, 22, 53, 136, 6, 7, 18, 19, 8, 9,
73, 52, 0, 74, 22, 53, 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, 79, 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, 75, 76, 77, 14, 15, 16, 17, 78, 204,
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, 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, 0, 0, 0, 0, 0, 0, 75, 76, 0,
14, 15, 16, 17, 0, 0, 0, 80, 81, 82,
18, 19, 0, 0, 0, 52, 6, 7, 22, 53,
8, 9, 227, 0, 0, 228, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 6, 7, 0, 0,
8, 9, 0, 0, 0, 229, 230, 231, 14, 15,
16, 17, 232, 280, 0, 0, 6, 7, 18, 19,
8, 9, 73, 52, 13, 74, 22, 53, 14, 15,
16, 17, 0, 0, 0, 0, 0, 0, 18, 19,
0, 20, 0, 21, 0, 75, 22, 23, 14, 15,
16, 17, 0, 0, 0, 80, 81, 82, 18, 19,
0, 0, 0, 52, 6, 7, 22, 53, 8, 9,
227, 0, 0, 228, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 229, 230, 231, 14, 15, 16, 17,
232, 0, 0, 0, 6, 7, 18, 19, 8, 9,
227, 52, 0, 228, 22, 53, 0, 0, 0, 0,
0, 0, 0, 0, 6, 213, 0, 0, 8, 9,
0, 0, 0, 229, 230, 0, 14, 15, 16, 17,
0, 0, 0, 0, 6, 7, 18, 19, 8, 9,
227, 52, 13, 228, 22, 53, 14, 15, 16, 17,
0, 0, 0, 0, 0, 0, 18, 19, 0, 20,
0, 21, 0, 229, 22, 23, 14, 15, 16, 17,
6, 7, 0, 0, 8, 9, 18, 19, 0, 0,
0, 52, 0, 0, 22, 53, 0, 0, 0, 0,
6, 7, 0, 0, 8, 9, 6, 7, 175, 0,
8, 9, 14, 15, 16, 17, 0, 0, 0, 0,
0, 0, 18, 19, 0, 20, 0, 176, 0, 0,
22, 53, 14, 15, 16, 17, 0, 0, 14, 15,
16, 17, 18, 19, 0, 20, 0, 52, 18, 19,
22, 53, 0, 52, 0, 7, 22, 53, 8, 9,
73, 0, 0,-32768, 0, 0, 0, 0, 7, 0,
0, 8, 9,-32768, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 14, 15, 0, 0,
0, 0, 0, 80, 81, 82, 18, 19, 0, 14,
15, 52, 0, 0, 22, 53,-32768,-32768,-32768, 18,
19, 0, 0, 0, 52, 0, 0, 22, 53
};
static const short yycheck[] = { 3,
1, 105, 141, 23, 180, 28, 4, 32, 70, 54,
107, 1, 1, 151, 13, 70, 39, 37, 13, 23,
43, 25, 1, 35, 36, 4, 1, 13, 56, 4,
52, 56, 36, 37, 173, 50, 51, 175, 54, 63,
41, 1, 1, 140, 54, 107, 50, 51, 42, 53,
112, 41, 41, 10, 55, 53, 160, 112, 13, 11,
164, 24, 25, 202, 240, 60, 163, 57, 57, 73,
74, 13, 76, 77, 78, 79, 80, 81, 140, 42,
55, 41, 41, 35, 36, 1, 43, 44, 185, 58,
5, 115, 4, 31, 10, 55, 55, 13, 3, 4,
104, 105, 4, 58, 21, 60, 130, 131, 54, 54,
225, 226, 227, 228, 56, 230, 231, 232, 60, 54,
60, 11, 55, 185, 54, 41, 48, 43, 44, 32,
134, 4, 37, 38, 138, 98, 47, 48, 49, 21,
4, 52, 4, 106, 60, 35, 36, 54, 18, 25,
0, 114, 0, 268, 158, 159, 160, 177, 162, 218,
164, 254, 13, 14, 15, 280, 22, 18, 19, -1,
21, 22, 135, 177, 278, 272, -1, 274, -1, -1,
31, -1, -1, 207, -1, 3, 290, 211, -1, 209,
-1, -1, 109, -1, -1, -1, 220, -1, -1, 296,
204, 52, 299, -1, -1, 209, 303, 25, 305, 27,
28, 10, 11, 64, -1, 239, -1, 221, 222, 223,
-1, 39, -1, -1, 187, 43, -1, -1, -1, 28,
-1, -1, -1, 84, 85, 86, 87, 88, 89, -1,
203, 45, 46, 47, 48, 49, -1, 251, 52, -1,
-1, -1, 276, -1, 217, -1, -1, -1, 109, 176,
111, -1, -1, -1, 288, -1, 117, 291, -1, -1,
-1, 275, -1, 297, 278, -1, -1, 128, -1, -1,
-1, 132, 245, -1, -1, 248, 290, -1, -1, -1,
-1, 142, 143, -1, 145, 146, 147, 148, 149, 150,
151, 100, 101, -1, -1, -1, 269, -1, 225, 226,
227, 228, 111, 230, 231, 232, -1, 168, -1, -1,
-1, -1, -1, -1, 175, 176, 289, -1, -1, -1,
181, 294, 295, -1, -1, 298, -1, -1, -1, 302,
-1, -1, -1, -1, 11, -1, 197, -1, -1, -1,
201, 268, -1, -1, -1, 206, 207, -1, -1, -1,
211, 28, 161, 280, -1, -1, -1, -1, 167, -1,
169, -1, -1, -1, 225, 226, 227, 228, -1, 230,
231, 232, -1, -1, -1, 18, 19, -1, 21, -1,
-1, -1, -1, 244, -1, -1, -1, -1, 31, -1,
-1, -1, -1, -1, 255, 256, 257, -1, 259, 208,
261, 262, 263, -1, 265, 266, 267, 268, 4, 52,
-1, 7, 8, 9, -1, 224, 277, -1, -1, 280,
281, 64, -1, 100, 101, -1, -1, 288, -1, -1,
-1, -1, 293, -1, 111, -1, -1, -1, -1, 35,
36, 84, 85, 86, 87, 88, 89, -1, -1, 45,
46, -1, -1, -1, 50, -1, -1, 53, 54, -1,
-1, -1, -1, -1, 273, -1, 109, -1, 111, -1,
279, -1, -1, -1, 117, -1, -1, -1, -1, -1,
-1, -1, -1, -1, 161, 128, -1, -1, -1, 132,
167, -1, 169, 35, -1, -1, -1, -1, -1, 142,
143, -1, 145, 146, 147, 148, 149, 150, -1, -1,
3, 4, -1, -1, 7, 8, 9, -1, -1, 12,
13, -1, -1, -1, -1, 168, -1, -1, 70, -1,
-1, 208, -1, 176, -1, -1, -1, -1, 181, 32,
33, 34, 35, 36, 37, 38, 39, 224, -1, 42,
43, 44, 45, 46, 197, -1, -1, 50, 201, -1,
53, 54, -1, 206, 207, 107, -1, 60, 211, -1,
112, 113, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, 225, 226, 227, 228, -1, 230, 231, 232,
-1, -1, -1, -1, -1, -1, 273, -1, 140, 141,
-1, 244, 279, -1, -1, -1, -1, -1, -1, -1,
-1, -1, 255, 256, 257, -1, 259, -1, 261, 262,
263, 163, 265, 266, 267, 268, -1, -1, -1, -1,
-1, 173, -1, -1, 277, -1, -1, 280, 281, -1,
-1, -1, -1, 185, -1, 288, -1, -1, -1, -1,
293, -1, -1, -1, -1, 1, -1, 3, 4, -1,
202, 7, 8, -1, -1, -1, -1, -1, -1, -1,
-1, 17, 214, 19, 20, 21, 22, 23, 24, 25,
26, 27, 28, 29, -1, 31, -1, -1, -1, 35,
36, 37, 38, -1, -1, -1, -1, -1, -1, 45,
46, -1, 48, -1, 50, -1, -1, 53, 54, 251,
-1, -1, 58, 59, 60, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
272, -1, 274, -1, -1, 277, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 1, -1, 3, 4,
-1, -1, 7, 8, 296, -1, -1, 299, -1, -1,
-1, 303, 17, 305, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, -1, 31, -1, -1, -1,
35, 36, 37, 38, -1, -1, -1, -1, -1, -1,
45, 46, -1, 48, -1, 50, -1, -1, 53, 54,
-1, -1, -1, 58, 59, 60, 1, -1, 3, 4,
-1, -1, 7, 8, -1, 10, -1, -1, 13, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 0, 1, -1, 3, 4, 31, -1, 7, 8,
35, 36, 37, 38, 13, -1, 15, 16, 43, 44,
45, 46, -1, 48, -1, 50, -1, -1, 53, 54,
-1, 30, 31, -1, -1, 60, 35, 36, 37, 38,
-1, -1, -1, -1, -1, -1, 45, 46, -1, 48,
-1, 50, -1, -1, 53, 54, -1, 0, 1, 58,
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, 35, 36, 37, 38, -1, -1, -1, -1,
-1, -1, 45, 46, -1, 48, -1, 50, 3, 4,
53, 54, 7, 8, -1, 58, -1, -1, -1, -1,
-1, -1, 17, -1, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, -1, 31, -1, -1, -1,
35, 36, 37, 38, -1, -1, -1, -1, -1, -1,
45, 46, -1, 48, -1, 50, -1, -1, 53, 54,
-1, -1, -1, 58, -1, 60, 3, 4, -1, -1,
7, 8, 9, -1, -1, 12, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 3, 4, -1, -1,
7, 8, -1, -1, -1, 32, 33, 34, 35, 36,
37, 38, 39, -1, -1, 42, 43, 44, 45, 46,
-1, -1, -1, 50, 31, -1, 53, 54, 35, 36,
37, 38, -1, 60, -1, -1, -1, -1, 45, 46,
-1, 48, 1, 50, 3, 4, 53, 54, 7, 8,
-1, -1, -1, 60, -1, -1, -1, -1, -1, -1,
-1, -1, -1, 1, -1, 3, 4, -1, -1, 7,
8, -1, 31, -1, -1, -1, 35, 36, 37, 38,
-1, -1, -1, -1, -1, -1, 45, 46, -1, 48,
-1, 50, -1, 31, 53, 54, 55, 35, 36, 37,
38, -1, -1, -1, -1, -1, -1, 45, 46, -1,
48, 1, 50, 3, 4, 53, 54, 7, 8, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 1, -1, 3, 4, -1, -1, 7, 8, -1,
-1, 31, -1, -1, -1, 35, 36, 37, 38, -1,
-1, -1, -1, -1, -1, 45, 46, -1, 48, -1,
50, 31, -1, 53, 54, 35, 36, 37, 38, -1,
-1, -1, -1, -1, -1, 45, 46, -1, 48, -1,
50, 3, 4, 53, 54, 7, 8, 9, -1, -1,
12, -1, -1, -1, -1, 4, -1, -1, 7, 8,
9, -1, -1, 12, -1, -1, -1, -1, -1, -1,
32, 33, 34, 35, 36, 37, 38, 39, -1, -1,
42, 43, 44, 45, 46, -1, 35, 36, 50, -1,
-1, 53, 54, 55, 3, 4, 45, 46, 7, 8,
9, 50, -1, 12, 53, 54, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, 32, 33, 34, 35, 36, 37, 38,
39, -1, 41, 42, 43, 44, 45, 46, -1, -1,
-1, 50, 3, 4, 53, 54, 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, 32, 33, 34, 35, 36, 37, 38, 39, 40,
-1, 42, 43, 44, 45, 46, -1, -1, -1, 50,
3, 4, 53, 54, 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, 32,
33, 34, 35, 36, 37, 38, 39, -1, -1, 42,
43, 44, 45, 46, -1, -1, -1, 50, 3, 4,
53, 54, 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, 32, 33, -1,
35, 36, 37, 38, -1, -1, -1, 42, 43, 44,
45, 46, -1, -1, -1, 50, 3, 4, 53, 54,
7, 8, 9, -1, -1, 12, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 3, 4, -1, -1,
7, 8, -1, -1, -1, 32, 33, 34, 35, 36,
37, 38, 39, 40, -1, -1, 3, 4, 45, 46,
7, 8, 9, 50, 31, 12, 53, 54, 35, 36,
37, 38, -1, -1, -1, -1, -1, -1, 45, 46,
-1, 48, -1, 50, -1, 32, 53, 54, 35, 36,
37, 38, -1, -1, -1, 42, 43, 44, 45, 46,
-1, -1, -1, 50, 3, 4, 53, 54, 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, 32, 33, 34, 35, 36, 37, 38,
39, -1, -1, -1, 3, 4, 45, 46, 7, 8,
9, 50, -1, 12, 53, 54, -1, -1, -1, -1,
-1, -1, -1, -1, 3, 4, -1, -1, 7, 8,
-1, -1, -1, 32, 33, -1, 35, 36, 37, 38,
-1, -1, -1, -1, 3, 4, 45, 46, 7, 8,
9, 50, 31, 12, 53, 54, 35, 36, 37, 38,
-1, -1, -1, -1, -1, -1, 45, 46, -1, 48,
-1, 50, -1, 32, 53, 54, 35, 36, 37, 38,
3, 4, -1, -1, 7, 8, 45, 46, -1, -1,
-1, 50, -1, -1, 53, 54, -1, -1, -1, -1,
3, 4, -1, -1, 7, 8, 3, 4, 31, -1,
7, 8, 35, 36, 37, 38, -1, -1, -1, -1,
-1, -1, 45, 46, -1, 48, -1, 50, -1, -1,
53, 54, 35, 36, 37, 38, -1, -1, 35, 36,
37, 38, 45, 46, -1, 48, -1, 50, 45, 46,
53, 54, -1, 50, -1, 4, 53, 54, 7, 8,
9, -1, -1, 12, -1, -1, -1, -1, 4, -1,
-1, 7, 8, 9, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 35, 36, -1, -1,
-1, -1, -1, 42, 43, 44, 45, 46, -1, 35,
36, 50, -1, -1, 53, 54, 42, 43, 44, 45,
46, -1, -1, -1, 50, -1, -1, 53, 54
};
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/local/lib/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
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 1, 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. */
#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
#define YYLEX yylex(&yylval, &yylloc)
#else
#define YYLEX yylex(&yylval)
#endif
#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_bcopy(FROM,TO,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_bcopy (from, to, count)
char *from;
char *to;
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_bcopy (char *from, char *to, int count)
{
register char *f = from;
register char *t = to;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#endif
#endif
#line 184 "/usr/local/lib/bison.simple"
int
yyparse()
{
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_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
__yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
__yy_bcopy ((char *)yyls1, (char *)yyls, 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 137 "awk.y"
{ expression_value = yyvsp[-1].nodeval; ;
break;}
case 2:
#line 142 "awk.y"
{
if (yyvsp[0].nodeval != NULL)
yyval.nodeval = yyvsp[0].nodeval;
else
yyval.nodeval = NULL;
yyerrok;
;
break;}
case 3:
#line 151 "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 165 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 5:
#line 166 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 6:
#line 167 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 7:
#line 171 "awk.y"
{ io_allowed = 0; ;
break;}
case 8:
#line 173 "awk.y"
{
if (begin_block) {
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 = 1;
yyerrok;
;
break;}
case 9:
#line 187 "awk.y"
{ io_allowed = 0; ;
break;}
case 10:
#line 189 "awk.y"
{
if (end_block) {
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 = 1;
yyerrok;
;
break;}
case 11:
#line 204 "awk.y"
{
warning("BEGIN blocks must have an action part");
errcount++;
yyerrok;
;
break;}
case 12:
#line 210 "awk.y"
{
warning("END blocks must have an action part");
errcount++;
yyerrok;
;
break;}
case 13:
#line 216 "awk.y"
{ yyval.nodeval = node (yyvsp[-1].nodeval, Node_rule_node, yyvsp[0].nodeval); yyerrok; ;
break;}
case 14:
#line 218 "awk.y"
{ yyval.nodeval = node ((NODE *)NULL, Node_rule_node, yyvsp[0].nodeval); yyerrok; ;
break;}
case 15:
#line 220 "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 233 "awk.y"
{
func_install(yyvsp[-1].nodeval, yyvsp[0].nodeval);
yyval.nodeval = NULL;
yyerrok;
;
break;}
case 17:
#line 242 "awk.y"
{ yyval.sval = yyvsp[0].sval; ;
break;}
case 18:
#line 244 "awk.y"
{ yyval.sval = yyvsp[0].sval; ;
break;}
case 19:
#line 246 "awk.y"
{
yyerror("%s() is a built-in function, it cannot be redefined",
tokstart);
errcount++;
/* yyerrok; */
;
break;}
case 22:
#line 261 "awk.y"
{
param_counter = 0;
;
break;}
case 23:
#line 265 "awk.y"
{
yyval.nodeval = append_right(make_param(yyvsp[-4].sval), yyvsp[-2].nodeval);
can_return = 1;
/* check for duplicate parameter names */
if (dup_parms(yyval.nodeval))
errcount++;
;
break;}
case 24:
#line 276 "awk.y"
{
yyval.nodeval = yyvsp[-2].nodeval;
can_return = 0;
;
break;}
case 25:
#line 281 "awk.y"
{
yyval.nodeval = node((NODE *) NULL, Node_K_return, (NODE *) NULL);
can_return = 0;
;
break;}
case 26:
#line 290 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 27:
#line 292 "awk.y"
{ yyval.nodeval = mkrangenode ( node(yyvsp[-2].nodeval, Node_cond_pair, yyvsp[0].nodeval) ); ;
break;}
case 28:
#line 301 "awk.y"
{ ++want_regexp; ;
break;}
case 29:
#line 303 "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, 0, 1);
n->re_text = NULL;
n->re_flags = CONST;
n->re_cnt = 1;
yyval.nodeval = n;
;
break;}
case 30:
#line 321 "awk.y"
{ yyval.nodeval = yyvsp[-3].nodeval ; ;
break;}
case 31:
#line 323 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 32:
#line 328 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 33:
#line 330 "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 338 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 35:
#line 340 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 38:
#line 350 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 39:
#line 352 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 40:
#line 354 "awk.y"
{ yyval.nodeval = yyvsp[-1].nodeval; ;
break;}
case 41:
#line 356 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 42:
#line 358 "awk.y"
{ yyval.nodeval = node (yyvsp[-3].nodeval, Node_K_while, yyvsp[0].nodeval); ;
break;}
case 43:
#line 360 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_K_do, yyvsp[-5].nodeval); ;
break;}
case 44:
#line 362 "awk.y"
{
yyval.nodeval = node (yyvsp[0].nodeval, Node_K_arrayfor, make_for_loop(variable(yyvsp[-5].sval,1),
(NODE *)NULL, variable(yyvsp[-3].sval,1)));
;
break;}
case 45:
#line 367 "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 371 "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 377 "awk.y"
{ yyval.nodeval = node ((NODE *)NULL, Node_K_break, (NODE *)NULL); ;
break;}
case 48:
#line 380 "awk.y"
{ yyval.nodeval = node ((NODE *)NULL, Node_K_continue, (NODE *)NULL); ;
break;}
case 49:
#line 382 "awk.y"
{ yyval.nodeval = node (yyvsp[-3].nodeval, yyvsp[-5].nodetypeval, yyvsp[-1].nodeval); ;
break;}
case 50:
#line 384 "awk.y"
{
if (yyvsp[-3].nodetypeval == Node_K_print && yyvsp[-2].nodeval == NULL) {
static int warned = 0;
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 = 1;
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 404 "awk.y"
{ NODETYPE type;
if (yyvsp[-1].nodeval && yyvsp[-1].nodeval == lookup("file")) {
if (do_lint)
warning("`next file' is a gawk extension");
if (do_unix || do_posix) {
/*
* 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 {
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 431 "awk.y"
{ yyval.nodeval = node (yyvsp[-1].nodeval, Node_K_exit, (NODE *)NULL); ;
break;}
case 53:
#line 433 "awk.y"
{ if (! can_return) yyerror("return used outside function context"); ;
break;}
case 54:
#line 435 "awk.y"
{ yyval.nodeval = node (yyvsp[-1].nodeval, Node_K_return, (NODE *)NULL); ;
break;}
case 55:
#line 437 "awk.y"
{ yyval.nodeval = node (variable(yyvsp[-4].sval,1), Node_K_delete, yyvsp[-2].nodeval); ;
break;}
case 56:
#line 439 "awk.y"
{
if (do_lint)
warning("`delete array' is a gawk extension");
if (do_unix || do_posix) {
/*
* 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,1), Node_K_delete, (NODE *) NULL);
;
break;}
case 57:
#line 453 "awk.y"
{ yyval.nodeval = yyvsp[-1].nodeval; ;
break;}
case 58:
#line 458 "awk.y"
{ yyval.nodetypeval = yyvsp[0].nodetypeval; ;
break;}
case 59:
#line 460 "awk.y"
{ yyval.nodetypeval = yyvsp[0].nodetypeval; ;
break;}
case 60:
#line 465 "awk.y"
{
yyval.nodeval = node(yyvsp[-3].nodeval, Node_K_if,
node(yyvsp[0].nodeval, Node_if_branches, (NODE *)NULL));
;
break;}
case 61:
#line 471 "awk.y"
{ yyval.nodeval = node (yyvsp[-6].nodeval, Node_K_if,
node (yyvsp[-3].nodeval, Node_if_branches, yyvsp[0].nodeval)); ;
break;}
case 62:
#line 477 "awk.y"
{ want_assign = 0; ;
break;}
case 66:
#line 488 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 67:
#line 490 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_input, (NODE *)NULL); ;
break;}
case 68:
#line 495 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 69:
#line 497 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_output, (NODE *)NULL); ;
break;}
case 70:
#line 499 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_append, (NODE *)NULL); ;
break;}
case 71:
#line 501 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_redirect_pipe, (NODE *)NULL); ;
break;}
case 72:
#line 506 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 73:
#line 508 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 74:
#line 513 "awk.y"
{ yyval.nodeval = make_param(yyvsp[0].sval); ;
break;}
case 75:
#line 515 "awk.y"
{ yyval.nodeval = append_right(yyvsp[-2].nodeval, make_param(yyvsp[0].sval)); yyerrok; ;
break;}
case 76:
#line 517 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 77:
#line 519 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 78:
#line 521 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 79:
#line 527 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 80:
#line 529 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 81:
#line 534 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 82:
#line 536 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 83:
#line 541 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL); ;
break;}
case 84:
#line 543 "awk.y"
{
yyval.nodeval = append_right(yyvsp[-2].nodeval,
node( yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL));
yyerrok;
;
break;}
case 85:
#line 549 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 86:
#line 551 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 87:
#line 553 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 88:
#line 555 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 89:
#line 560 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 90:
#line 562 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 91:
#line 567 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL); ;
break;}
case 92:
#line 569 "awk.y"
{
yyval.nodeval = append_right(yyvsp[-2].nodeval,
node( yyvsp[0].nodeval, Node_expression_list, (NODE *)NULL));
yyerrok;
;
break;}
case 93:
#line 575 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 94:
#line 577 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 95:
#line 579 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 96:
#line 581 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 97:
#line 586 "awk.y"
{ want_assign = 0; ;
break;}
case 98:
#line 588 "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 99:
#line 594 "awk.y"
{ yyval.nodeval = node (variable(yyvsp[0].sval,1), Node_in_array, yyvsp[-3].nodeval); ;
break;}
case 100:
#line 596 "awk.y"
{
yyval.nodeval = node (yyvsp[0].nodeval, Node_K_getline,
node (yyvsp[-3].nodeval, Node_redirect_pipein, (NODE *)NULL));
;
break;}
case 101:
#line 601 "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 102:
#line 607 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_and, yyvsp[0].nodeval); ;
break;}
case 103:
#line 609 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_or, yyvsp[0].nodeval); ;
break;}
case 104:
#line 611 "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 105:
#line 617 "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 106:
#line 627 "awk.y"
{
yyval.nodeval = node(node(make_number(0.0),
Node_field_spec,
(NODE *) NULL),
Node_nomatch,
yyvsp[0].nodeval);
;
break;}
case 107:
#line 635 "awk.y"
{ yyval.nodeval = node (variable(yyvsp[0].sval,1), Node_in_array, yyvsp[-2].nodeval); ;
break;}
case 108:
#line 637 "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 109:
#line 643 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_less, yyvsp[0].nodeval); ;
break;}
case 110:
#line 645 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_greater, yyvsp[0].nodeval); ;
break;}
case 111:
#line 647 "awk.y"
{ yyval.nodeval = node(yyvsp[-4].nodeval, Node_cond_exp, node(yyvsp[-2].nodeval, Node_if_branches, yyvsp[0].nodeval));;
break;}
case 112:
#line 649 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 113:
#line 651 "awk.y"
{ yyval.nodeval = node (yyvsp[-1].nodeval, Node_concat, yyvsp[0].nodeval); ;
break;}
case 114:
#line 656 "awk.y"
{ want_assign = 0; ;
break;}
case 115:
#line 658 "awk.y"
{ yyval.nodeval = node (yyvsp[-3].nodeval, yyvsp[-2].nodetypeval, yyvsp[0].nodeval); ;
break;}
case 116:
#line 660 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_and, yyvsp[0].nodeval); ;
break;}
case 117:
#line 662 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_or, yyvsp[0].nodeval); ;
break;}
case 118:
#line 664 "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 119:
#line 670 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 120:
#line 672 "awk.y"
{ yyval.nodeval = node((NODE *) NULL, Node_nomatch, yyvsp[0].nodeval); ;
break;}
case 121:
#line 674 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, mk_rexp(yyvsp[0].nodeval)); ;
break;}
case 122:
#line 676 "awk.y"
{ yyval.nodeval = node (variable(yyvsp[0].sval,1), Node_in_array, yyvsp[-2].nodeval); ;
break;}
case 123:
#line 678 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, yyvsp[-1].nodetypeval, yyvsp[0].nodeval); ;
break;}
case 124:
#line 680 "awk.y"
{ yyval.nodeval = node(yyvsp[-4].nodeval, Node_cond_exp, node(yyvsp[-2].nodeval, Node_if_branches, yyvsp[0].nodeval));;
break;}
case 125:
#line 682 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 126:
#line 684 "awk.y"
{ yyval.nodeval = node (yyvsp[-1].nodeval, Node_concat, yyvsp[0].nodeval); ;
break;}
case 128:
#line 691 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_exp, yyvsp[0].nodeval); ;
break;}
case 129:
#line 693 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_times, yyvsp[0].nodeval); ;
break;}
case 130:
#line 695 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_quotient, yyvsp[0].nodeval); ;
break;}
case 131:
#line 697 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_mod, yyvsp[0].nodeval); ;
break;}
case 132:
#line 699 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_plus, yyvsp[0].nodeval); ;
break;}
case 133:
#line 701 "awk.y"
{ yyval.nodeval = node (yyvsp[-2].nodeval, Node_minus, yyvsp[0].nodeval); ;
break;}
case 134:
#line 703 "awk.y"
{ yyval.nodeval = node (yyvsp[-1].nodeval, Node_postincrement, (NODE *)NULL); ;
break;}
case 135:
#line 705 "awk.y"
{ yyval.nodeval = node (yyvsp[-1].nodeval, Node_postdecrement, (NODE *)NULL); ;
break;}
case 136:
#line 710 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_not,(NODE *) NULL); ;
break;}
case 137:
#line 712 "awk.y"
{ yyval.nodeval = yyvsp[-1].nodeval; ;
break;}
case 138:
#line 715 "awk.y"
{ yyval.nodeval = snode (yyvsp[-1].nodeval, Node_builtin, (int) yyvsp[-3].lval); ;
break;}
case 139:
#line 717 "awk.y"
{ yyval.nodeval = snode (yyvsp[-1].nodeval, Node_builtin, (int) yyvsp[-3].lval); ;
break;}
case 140:
#line 719 "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 141:
#line 727 "awk.y"
{
yyval.nodeval = node (yyvsp[-1].nodeval, Node_func_call, make_string(yyvsp[-3].sval, strlen(yyvsp[-3].sval)));
free(yyvsp[-3].sval);
;
break;}
case 143:
#line 733 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_preincrement, (NODE *)NULL); ;
break;}
case 144:
#line 735 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_predecrement, (NODE *)NULL); ;
break;}
case 145:
#line 737 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 146:
#line 739 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 147:
#line 742 "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 148:
#line 749 "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 149:
#line 758 "awk.y"
{ yyval.nodeval = NULL; ;
break;}
case 150:
#line 760 "awk.y"
{ yyval.nodeval = yyvsp[0].nodeval; ;
break;}
case 151:
#line 765 "awk.y"
{ yyval.nodeval = variable(yyvsp[0].sval,1); ;
break;}
case 152:
#line 767 "awk.y"
{
if (yyvsp[-1].nodeval->rnode == NULL) {
yyval.nodeval = node (variable(yyvsp[-3].sval,1), Node_subscript, yyvsp[-1].nodeval->lnode);
freenode(yyvsp[-1].nodeval);
} else
yyval.nodeval = node (variable(yyvsp[-3].sval,1), Node_subscript, yyvsp[-1].nodeval);
;
break;}
case 153:
#line 775 "awk.y"
{ yyval.nodeval = node (yyvsp[0].nodeval, Node_field_spec, (NODE *)NULL); ;
break;}
case 155:
#line 783 "awk.y"
{ yyerrok; ;
break;}
case 156:
#line 787 "awk.y"
{ yyerrok; ;
break;}
case 159:
#line 796 "awk.y"
{ yyerrok; want_assign = 0; ;
break;}
case 160:
#line 799 "awk.y"
{ yyerrok; ;
break;}
}
/* the action file gets copied in in place of this dollarsign */
#line 465 "/usr/local/lib/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 802 "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 */
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();
/* 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},
{"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},
{"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},
{"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},
{"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},
{"match", Node_builtin, LEX_BUILTIN, NOT_OLD|A(2), do_match},
{"next", Node_K_next, LEX_NEXT, 0, 0},
{"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},
{"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(1)|A(2), do_strftime},
{"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},
};
/* VARARGS0 */
static void
yyerror(va_alist)
va_dcl
{
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) {
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) {
scan = thisline;
while (bp < cp && scan < lexeme)
if (*scan++ == '\t')
*bp++ = '\t';
else
*bp++ = ' ';
*bp++ = '^';
*bp++ = ' ';
}
va_start(args);
if (mesg == NULL)
mesg = va_arg(args, char *);
strcpy(bp, mesg);
err("", buf, args);
va_end(args);
exit(2);
}
static char *
get_src_buf()
{
static int samefile = 0;
static int nextfile = 0;
static char *buf = NULL;
static int fd;
int n;
register char *scan;
static int len = 0;
static int did_newline = 0;
# define SLOP 128 /* enough space to hold most source lines */
again:
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.
*/
++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 = 1;
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)
return get_src_buf();
return lexptr;
}
if (!samefile) {
source = srcfiles[nextfile].val;
if (source == NULL) {
if (buf) {
free(buf);
buf = NULL;
}
len = 0;
return lexeme = lexptr = lexptr_begin = NULL;
}
fd = pathopen(source);
if (fd == -1)
fatal("can't open source file \"%s\" for reading (%s)",
source, strerror(errno));
len = optimal_bufsize(fd);
if (buf)
free(buf);
emalloc(buf, char *, len + SLOP, "get_src_buf");
lexptr_begin = buf + SLOP;
samefile = 1;
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) {
samefile = 0;
nextfile++;
if (lexeme)
*lexeme = '\0';
len = 0;
goto again;
}
lexptr = buf + SLOP;
lexend = lexptr + n;
return buf;
}
#define tokadd(x) (*tok++ = (x), tok == tokend ? tokexpand() : tok)
char *
tokexpand()
{
static int toksize = 60;
int tokoffset;
tokoffset = tok - tokstart;
toksize *= 2;
if (tokstart)
erealloc(tokstart, char *, toksize, "tokexpand");
else
emalloc(tokstart, char *, toksize, "tokexpand");
tokend = tokstart + toksize;
tok = tokstart + tokoffset;
return tok;
}
#if DEBUG
char
nextc() {
int c;
if (lexptr && lexptr < lexend)
c = *lexptr++;
else if (get_src_buf())
c = *lexptr++;
else
c = '\0';
return c;
}
#else
#define nextc() ((lexptr && lexptr < lexend) ? \
*lexptr++ : \
(get_src_buf() ? *lexptr++ : '\0') \
)
#endif
#define pushback() (lexptr && lexptr > lexptr_begin ? lexptr-- : lexptr)
/*
* Read the input and turn it into tokens.
*/
static int
yylex()
{
register int c;
int seen_e = 0; /* These are for numbers */
int seen_point = 0;
int esc_seen; /* for literal strings */
int low, mid, high;
static int did_newline = 0;
char *tokkey;
static int lasttok = 0, eof_warned = 0;
if (!nextc()) {
if (lasttok != NEWLINE) {
lasttok = NEWLINE;
if (do_lint && ! eof_warned) {
warning("source file does not end in newline");
eof_warned = 1;
}
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;
want_regexp = 0;
tok = tokstart;
while ((c = nextc()) != 0) {
switch (c) {
case '[':
in_brack = 1;
break;
case ']':
in_brack = 0;
break;
case '\\':
if ((c = nextc()) == '\0') {
yyerror("unterminated regexp ends with \\ at end of file");
} else if (c == '\n') {
sourceline++;
continue;
} else
tokadd('\\');
break;
case '/': /* end of the regexp */
if (in_brack)
break;
pushback();
tokadd('\0');
yylval.sval = tokstart;
return lasttok = REGEXP;
case '\n':
pushback();
yyerror("unterminated regexp");
case '\0':
yyerror("unterminated regexp at end of file");
}
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 0:
if (lasttok != NEWLINE) {
lasttok = NEWLINE;
if (do_lint && ! eof_warned) {
warning("source file does not end in newline");
eof_warned = 1;
}
return NEWLINE; /* fake it */
}
return 0;
case '\n':
sourceline++;
return lasttok = NEWLINE;
case '#': /* it's a comment */
while ((c = nextc()) != '\n') {
if (c == '\0') {
if (lasttok != NEWLINE) {
lasttok = NEWLINE;
if (do_lint && ! eof_warned) {
warning(
"source file does not end in newline");
eof_warned = 1;
}
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_unix) {
/* strip trailing white-space and/or comment */
while ((c = nextc()) == ' ' || c == '\t')
continue;
if (c == '#')
while ((c = nextc()) != '\n')
if (c == '\0')
break;
pushback();
}
#endif /* RELAXED_CONTINUATION */
if (nextc() == '\n') {
sourceline++;
goto retry;
} else
yyerror("backslash not last character on line");
break;
case '$':
want_assign = 1;
return lasttok = '$';
case ')':
case ']':
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 = 0, did_warn_assgn = 0;
if (nextc() == '=') {
if (do_lint && ! did_warn_assgn) {
did_warn_assgn = 1;
warning("**= is not allowed by POSIX");
}
yylval.nodetypeval = Node_assign_exp;
return lasttok = ASSIGNOP;
} else {
pushback();
if (do_lint && ! did_warn_op) {
did_warn_op = 1;
warning("** is not allowed by POSIX");
}
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 = 0, did_warn_assgn = 0;
if (nextc() == '=') {
if (do_lint && ! did_warn_assgn) {
did_warn_assgn = 1;
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 = 1;
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 = 0;
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 = 0;
return lasttok = MATCHOP;
case '}':
/*
* Added did newline stuff. Easier than
* hacking the grammar
*/
if (did_newline) {
did_newline = 0;
return lasttok = c;
}
did_newline++;
--lexptr; /* pick up } next time */
return lasttok = NEWLINE;
case '"':
esc_seen = 0;
while ((c = nextc()) != '"') {
if (c == '\n') {
pushback();
yyerror("unterminated string");
}
if (c == '\\') {
c = nextc();
if (c == '\n') {
sourceline++;
continue;
}
esc_seen = 1;
tokadd('\\');
}
if (c == '\0') {
pushback();
yyerror("unterminated string");
}
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 = 0;
tokadd(c);
switch (c) {
case '.':
if (seen_point) {
gotnumber++;
break;
}
++seen_point;
break;
case 'e':
case 'E':
if (seen_e) {
gotnumber++;
break;
}
++seen_e;
if ((c = nextc()) == '-' || c == '+')
tokadd(c);
else
pushback();
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
break;
default:
gotnumber++;
}
if (gotnumber)
break;
c = nextc();
}
if (c != 0)
pushback();
else if (do_lint && ! eof_warned) {
warning("source file does not end in newline");
eof_warned = 1;
}
tokadd('\0');
yylval.nodeval = make_number(atof(tokstart));
yylval.nodeval->flags |= PERM;
return lasttok = YNUMBER;
case '&':
if ((c = nextc()) == '&') {
yylval.nodetypeval = Node_and;
for (;;) {
c = nextc();
if (c == '\0')
break;
if (c == '#') {
while ((c = nextc()) != '\n' && c != '\0')
continue;
if (c == '\0')
break;
}
if (c == '\n')
sourceline++;
if (! isspace(c)) {
pushback();
break;
}
}
want_assign = 0;
return lasttok = LEX_AND;
}
pushback();
return lasttok = '&';
case '|':
if ((c = nextc()) == '|') {
yylval.nodetypeval = Node_or;
for (;;) {
c = nextc();
if (c == '\0')
break;
if (c == '#') {
while ((c = nextc()) != '\n' && c != '\0')
continue;
if (c == '\0')
break;
}
if (c == '\n')
sourceline++;
if (! isspace(c)) {
pushback();
break;
}
}
want_assign = 0;
return lasttok = LEX_OR;
}
pushback();
return lasttok = '|';
}
if (c != '_' && ! isalpha(c))
yyerror("Invalid char '%c' in expression\n", c);
/* 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 != 0)
pushback();
else if (do_lint && ! eof_warned) {
warning("source file does not end in newline");
eof_warned = 1;
}
/* See if it is a special token. */
low = 0;
high = (sizeof (tokentab) / sizeof (tokentab[0])) - 1;
while (low <= high) {
int i/* , c */;
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 & NOT_POSIX)
warning("POSIX does not allow %s",
tokentab[mid].operator);
if (tokentab[mid].flags & NOT_OLD)
warning("%s is not supported in old awk",
tokentab[mid].operator);
}
if ((do_unix && (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 = 1;
return lasttok = NAME;
}
}
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;
}
/*
* This 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;
}
/*
* This allocates 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; 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)))
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 */
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 (do_lint && subn->rnode->rnode->lnode->type == Node_val)
warning("string literal as last arg of substitute");
} 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;
}
/*
* 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 = 0;
return r;
}
/* 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;
}
/*
* 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;
}
/* 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);
bucket = variables[hash(name, len, (unsigned long) HASHSIZE)];
while (bucket) {
if (bucket->hlength == len && STREQN(bucket->hname, name, len))
return bucket->hvalue;
bucket = bucket->hnext;
}
return NULL;
}
/*
* 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;
}
/* return 1 if there are duplicate parameters, 0 means all ok */
static int
dup_parms(func)
NODE *func;
{
register NODE *np;
char *fname, **names;
int count, i, j, dups;
NODE *params;
fname = func->param;
count = func->param_cnt;
params = func->rnode;
if (count == 0) /* no args, no problem */
return 0;
emalloc(names, char **, count * sizeof(char *), "dup_parms");
i = 0;
for (np = params; np != NULL; np = np->rnode)
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);
}
/*
* 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, 0);
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));
}
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; 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 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, 1);
}
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));
}
/* Name points to a variable name. Make sure it's in the symbol table */
NODE *
variable(name, can_free)
char *name;
int can_free;
{
register NODE *r;
static int env_loaded = 0;
if (!env_loaded && STREQ(name, "ENVIRON")) {
load_environ();
env_loaded = 1;
}
if ((r = lookup(name)) == NULL)
r = install(name, node(Nnull_string, Node_var, (NODE *) NULL));
else if (can_free)
free(name);
return r;
}
static NODE *
mk_rexp(exp)
NODE *exp;
{
if (exp->type == Node_regex)
return exp;
else {
NODE *n;
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;
}
}