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awkgram.c
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/* A Bison parser, made by GNU Bison 2.7. */
/* Bison implementation for Yacc-like parsers in C
Copyright (C) 1984, 1989-1990, 2000-2012 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
/* As a special exception, you may create a larger work that contains
part or all of the Bison parser skeleton and distribute that work
under terms of your choice, so long as that work isn't itself a
parser generator using the skeleton or a modified version thereof
as a parser skeleton. Alternatively, if you modify or redistribute
the parser skeleton itself, you may (at your option) remove this
special exception, which will cause the skeleton and the resulting
Bison output files to be licensed under the GNU General Public
License without this special exception.
This special exception was added by the Free Software Foundation in
version 2.2 of Bison. */
/* C LALR(1) parser skeleton written by Richard Stallman, by
simplifying the original so-called "semantic" parser. */
/* All symbols defined below should begin with yy or YY, to avoid
infringing on user name space. This should be done even for local
variables, as they might otherwise be expanded by user macros.
There are some unavoidable exceptions within include files to
define necessary library symbols; they are noted "INFRINGES ON
USER NAME SPACE" below. */
/* Identify Bison output. */
#define YYBISON 1
/* Bison version. */
#define YYBISON_VERSION "2.7"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
/* Pure parsers. */
#define YYPURE 0
/* Push parsers. */
#define YYPUSH 0
/* Pull parsers. */
#define YYPULL 1
/* Copy the first part of user declarations. */
/* Line 371 of yacc.c */
#line 26 "awkgram.y"
#ifdef GAWKDEBUG
#define YYDEBUG 12
#endif
#include "awk.h"
#if defined(__STDC__) && __STDC__ < 1 /* VMS weirdness, maybe elsewhere */
#define signed /**/
#endif
static void yyerror(const char *m, ...) ATTRIBUTE_PRINTF_1;
static void error_ln(int line, const char *m, ...) ATTRIBUTE_PRINTF_2;
static void lintwarn_ln(int line, const char *m, ...) ATTRIBUTE_PRINTF_2;
static void warning_ln(int line, const char *m, ...) ATTRIBUTE_PRINTF_2;
static char *get_src_buf(void);
static int yylex(void);
int yyparse(void);
static INSTRUCTION *snode(INSTRUCTION *subn, INSTRUCTION *op);
static int func_install(INSTRUCTION *fp, INSTRUCTION *def);
static void pop_params(NODE *params);
static NODE *make_param(char *pname);
static NODE *mk_rexp(INSTRUCTION *exp);
static void append_param(char *pname);
static int dup_parms(INSTRUCTION *fp, NODE *func);
static void param_sanity(INSTRUCTION *arglist);
static int parms_shadow(INSTRUCTION *pc, int *shadow);
static int isnoeffect(OPCODE type);
static INSTRUCTION *make_assignable(INSTRUCTION *ip);
static void dumpintlstr(const char *str, size_t len);
static void dumpintlstr2(const char *str1, size_t len1, const char *str2, size_t len2);
static int isarray(NODE *n);
static int include_source(INSTRUCTION *file);
static void next_sourcefile(void);
static char *tokexpand(void);
static int is_deferred_variable(const char *name);
#define instruction(t) bcalloc(t, 1, 0)
static INSTRUCTION *mk_program(void);
static INSTRUCTION *append_rule(INSTRUCTION *pattern, INSTRUCTION *action);
static INSTRUCTION *mk_condition(INSTRUCTION *cond, INSTRUCTION *ifp, INSTRUCTION *true_branch,
INSTRUCTION *elsep, INSTRUCTION *false_branch);
static INSTRUCTION *mk_expression_list(INSTRUCTION *list, INSTRUCTION *s1);
static INSTRUCTION *mk_for_loop(INSTRUCTION *forp, INSTRUCTION *init, INSTRUCTION *cond,
INSTRUCTION *incr, INSTRUCTION *body);
static void fix_break_continue(INSTRUCTION *list, INSTRUCTION *b_target, INSTRUCTION *c_target);
static INSTRUCTION *mk_binary(INSTRUCTION *s1, INSTRUCTION *s2, INSTRUCTION *op);
static INSTRUCTION *mk_boolean(INSTRUCTION *left, INSTRUCTION *right, INSTRUCTION *op);
static INSTRUCTION *mk_assignment(INSTRUCTION *lhs, INSTRUCTION *rhs, INSTRUCTION *op);
static INSTRUCTION *mk_getline(INSTRUCTION *op, INSTRUCTION *opt_var, INSTRUCTION *redir, int redirtype);
static NODE *make_regnode(int type, NODE *exp);
static int count_expressions(INSTRUCTION **list, int isarg);
static INSTRUCTION *optimize_assignment(INSTRUCTION *exp);
static void add_lint(INSTRUCTION *list, LINTTYPE linttype);
enum defref { FUNC_DEFINE, FUNC_USE };
static void func_use(const char *name, enum defref how);
static void check_funcs(void);
static void free_bcpool(INSTRUCTION *pl);
static ssize_t read_one_line(int fd, void *buffer, size_t count);
static int one_line_close(int fd);
static void (*install_func)(char *) = NULL;
static int want_source = FALSE;
static int want_regexp; /* lexical scanning kludge */
static int can_return; /* parsing kludge */
static int rule = 0;
const char *const ruletab[] = {
"?",
"BEGIN",
"Rule",
"END",
"BEGINFILE",
"ENDFILE",
};
static int in_print = FALSE; /* lexical scanning kludge for print */
static int in_parens = 0; /* lexical scanning kludge for print */
static int sub_counter = 0; /* array dimension counter for use in delete */
static char *lexptr = NULL; /* 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 int lexeof; /* seen EOF for current source? */
static char *thisline = NULL;
static int in_braces = 0; /* count braces for firstline, lastline in an 'action' */
static int lastline = 0;
static int firstline = 0;
static SRCFILE *sourcefile = NULL; /* current program source */
static int lasttok = 0;
static int eof_warned = FALSE; /* GLOBAL: want warning for each file */
static int break_allowed; /* kludge for break */
static int continue_allowed; /* kludge for continue */
#define END_FILE -1000
#define END_SRC -2000
#define YYDEBUG_LEXER_TEXT (lexeme)
static int param_counter;
static NODE *func_params; /* list of parameters for the current function */
static char *tokstart = NULL;
static char *tok = NULL;
static char *tokend;
static int errcount = 0;
static NODE *symbol_list;
extern void destroy_symbol(char *name);
static long func_count; /* total number of functions */
#define HASHSIZE 1021 /* this constant only used here */
NODE *variables[HASHSIZE];
static int var_count; /* total number of global variables */
extern char *source;
extern int sourceline;
extern SRCFILE *srcfiles;
extern INSTRUCTION *rule_list;
extern int max_args;
static INSTRUCTION *rule_block[sizeof(ruletab)];
static INSTRUCTION *ip_rec;
static INSTRUCTION *ip_newfile;
static INSTRUCTION *ip_atexit = NULL;
static INSTRUCTION *ip_end;
static INSTRUCTION *ip_endfile;
static INSTRUCTION *ip_beginfile;
static inline INSTRUCTION *list_create(INSTRUCTION *x);
static inline INSTRUCTION *list_append(INSTRUCTION *l, INSTRUCTION *x);
static inline INSTRUCTION *list_prepend(INSTRUCTION *l, INSTRUCTION *x);
static inline INSTRUCTION *list_merge(INSTRUCTION *l1, INSTRUCTION *l2);
extern double fmod(double x, double y);
/*
* This string cannot occur as a real awk identifier.
* Use it as a special token to make function parsing
* uniform, but if it's seen, don't install the function.
* e.g.
* function split(x) { return x }
* function x(a) { return a }
* should only produce one error message, and not core dump.
*/
static char builtin_func[] = "@builtin";
#define YYSTYPE INSTRUCTION *
/* Line 371 of yacc.c */
#line 222 "awkgram.c"
# ifndef YY_NULL
# if defined __cplusplus && 201103L <= __cplusplus
# define YY_NULL nullptr
# else
# define YY_NULL 0
# endif
# endif
/* Enabling verbose error messages. */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif
/* Enabling traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#if YYDEBUG
extern int yydebug;
#endif
/* Tokens. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
/* Put the tokens into the symbol table, so that GDB and other debuggers
know about them. */
enum yytokentype {
FUNC_CALL = 258,
NAME = 259,
REGEXP = 260,
FILENAME = 261,
YNUMBER = 262,
YSTRING = 263,
RELOP = 264,
IO_OUT = 265,
IO_IN = 266,
ASSIGNOP = 267,
ASSIGN = 268,
MATCHOP = 269,
CONCAT_OP = 270,
SUBSCRIPT = 271,
LEX_BEGIN = 272,
LEX_END = 273,
LEX_IF = 274,
LEX_ELSE = 275,
LEX_RETURN = 276,
LEX_DELETE = 277,
LEX_SWITCH = 278,
LEX_CASE = 279,
LEX_DEFAULT = 280,
LEX_WHILE = 281,
LEX_DO = 282,
LEX_FOR = 283,
LEX_BREAK = 284,
LEX_CONTINUE = 285,
LEX_PRINT = 286,
LEX_PRINTF = 287,
LEX_NEXT = 288,
LEX_EXIT = 289,
LEX_FUNCTION = 290,
LEX_BEGINFILE = 291,
LEX_ENDFILE = 292,
LEX_GETLINE = 293,
LEX_NEXTFILE = 294,
LEX_IN = 295,
LEX_AND = 296,
LEX_OR = 297,
INCREMENT = 298,
DECREMENT = 299,
LEX_BUILTIN = 300,
LEX_LENGTH = 301,
LEX_EOF = 302,
LEX_INCLUDE = 303,
LEX_EVAL = 304,
NEWLINE = 305,
SLASH_BEFORE_EQUAL = 306,
UNARY = 307
};
#endif
/* Tokens. */
#define FUNC_CALL 258
#define NAME 259
#define REGEXP 260
#define FILENAME 261
#define YNUMBER 262
#define YSTRING 263
#define RELOP 264
#define IO_OUT 265
#define IO_IN 266
#define ASSIGNOP 267
#define ASSIGN 268
#define MATCHOP 269
#define CONCAT_OP 270
#define SUBSCRIPT 271
#define LEX_BEGIN 272
#define LEX_END 273
#define LEX_IF 274
#define LEX_ELSE 275
#define LEX_RETURN 276
#define LEX_DELETE 277
#define LEX_SWITCH 278
#define LEX_CASE 279
#define LEX_DEFAULT 280
#define LEX_WHILE 281
#define LEX_DO 282
#define LEX_FOR 283
#define LEX_BREAK 284
#define LEX_CONTINUE 285
#define LEX_PRINT 286
#define LEX_PRINTF 287
#define LEX_NEXT 288
#define LEX_EXIT 289
#define LEX_FUNCTION 290
#define LEX_BEGINFILE 291
#define LEX_ENDFILE 292
#define LEX_GETLINE 293
#define LEX_NEXTFILE 294
#define LEX_IN 295
#define LEX_AND 296
#define LEX_OR 297
#define INCREMENT 298
#define DECREMENT 299
#define LEX_BUILTIN 300
#define LEX_LENGTH 301
#define LEX_EOF 302
#define LEX_INCLUDE 303
#define LEX_EVAL 304
#define NEWLINE 305
#define SLASH_BEFORE_EQUAL 306
#define UNARY 307
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
typedef int YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
#endif
extern YYSTYPE yylval;
#ifdef YYPARSE_PARAM
#if defined __STDC__ || defined __cplusplus
int yyparse (void *YYPARSE_PARAM);
#else
int yyparse ();
#endif
#else /* ! YYPARSE_PARAM */
#if defined __STDC__ || defined __cplusplus
int yyparse (void);
#else
int yyparse ();
#endif
#endif /* ! YYPARSE_PARAM */
/* Copy the second part of user declarations. */
/* Line 390 of yacc.c */
#line 389 "awkgram.c"
#ifdef short
# undef short
#endif
#ifdef YYTYPE_UINT8
typedef YYTYPE_UINT8 yytype_uint8;
#else
typedef unsigned char yytype_uint8;
#endif
#ifdef YYTYPE_INT8
typedef YYTYPE_INT8 yytype_int8;
#elif (defined __STDC__ || defined __C99__FUNC__ \
|| defined __cplusplus || defined _MSC_VER)
typedef signed char yytype_int8;
#else
typedef short int yytype_int8;
#endif
#ifdef YYTYPE_UINT16
typedef YYTYPE_UINT16 yytype_uint16;
#else
typedef unsigned short int yytype_uint16;
#endif
#ifdef YYTYPE_INT16
typedef YYTYPE_INT16 yytype_int16;
#else
typedef short int yytype_int16;
#endif
#ifndef YYSIZE_T
# ifdef __SIZE_TYPE__
# define YYSIZE_T __SIZE_TYPE__
# elif defined size_t
# define YYSIZE_T size_t
# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
|| defined __cplusplus || defined _MSC_VER)
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# else
# define YYSIZE_T unsigned int
# endif
#endif
#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
#ifndef YY_
# if defined YYENABLE_NLS && YYENABLE_NLS
# if ENABLE_NLS
# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
# define YY_(Msgid) dgettext ("bison-runtime", Msgid)
# endif
# endif
# ifndef YY_
# define YY_(Msgid) Msgid
# endif
#endif
/* Suppress unused-variable warnings by "using" E. */
#if ! defined lint || defined __GNUC__
# define YYUSE(E) ((void) (E))
#else
# define YYUSE(E) /* empty */
#endif
/* Identity function, used to suppress warnings about constant conditions. */
#ifndef lint
# define YYID(N) (N)
#else
#if (defined __STDC__ || defined __C99__FUNC__ || defined __cplusplus || defined _MSC_VER)
static int
YYID (int yyi)
#else
static int
YYID (yyi)
int yyi;
#endif
{
return yyi;
}
#endif
#if ! defined yyoverflow || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
# ifdef YYSTACK_USE_ALLOCA
# if YYSTACK_USE_ALLOCA
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# elif defined __BUILTIN_VA_ARG_INCR
# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
# elif defined _AIX
# define YYSTACK_ALLOC __alloca
# elif defined _MSC_VER
# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
# define alloca _alloca
# else
# define YYSTACK_ALLOC alloca
# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
|| defined __cplusplus || defined _MSC_VER)
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
/* Use EXIT_SUCCESS as a witness for stdlib.h. */
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
# endif
# endif
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
/* Pacify GCC's `empty if-body' warning. */
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
# ifndef YYSTACK_ALLOC_MAXIMUM
/* The OS might guarantee only one guard page at the bottom of the stack,
and a page size can be as small as 4096 bytes. So we cannot safely
invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
to allow for a few compiler-allocated temporary stack slots. */
# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
# endif
# else
# define YYSTACK_ALLOC YYMALLOC
# define YYSTACK_FREE YYFREE
# ifndef YYSTACK_ALLOC_MAXIMUM
# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
# endif
# if (defined __cplusplus && ! defined EXIT_SUCCESS \
&& ! ((defined YYMALLOC || defined malloc) \
&& (defined YYFREE || defined free)))
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
# endif
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
# if ! defined malloc && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
|| defined __cplusplus || defined _MSC_VER)
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# ifndef YYFREE
# define YYFREE free
# if ! defined free && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
|| defined __cplusplus || defined _MSC_VER)
void free (void *); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# endif
#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
#if (! defined yyoverflow && (! defined __cplusplus || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
yytype_int16 yyss_alloc;
YYSTYPE yyvs_alloc;
};
/* The size of the maximum gap between one aligned stack and the next. */
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
# define YYSTACK_BYTES(N) \
((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+ YYSTACK_GAP_MAXIMUM)
# define YYCOPY_NEEDED 1
/* Relocate STACK from its old location to the new one. The
local variables YYSIZE and YYSTACKSIZE give the old and new number of
elements in the stack, and YYPTR gives the new location of the
stack. Advance YYPTR to a properly aligned location for the next
stack. */
# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
do \
{ \
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
Stack = &yyptr->Stack_alloc; \
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (YYID (0))
#endif
#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
/* Copy COUNT objects from SRC to DST. The source and destination do
not overlap. */
# ifndef YYCOPY
# if defined __GNUC__ && 1 < __GNUC__
# define YYCOPY(Dst, Src, Count) \
__builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
# else
# define YYCOPY(Dst, Src, Count) \
do \
{ \
YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
(Dst)[yyi] = (Src)[yyi]; \
} \
while (YYID (0))
# endif
# endif
#endif /* !YYCOPY_NEEDED */
/* YYFINAL -- State number of the termination state. */
#define YYFINAL 2
/* YYLAST -- Last index in YYTABLE. */
#define YYLAST 1157
/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS 74
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 65
/* YYNRULES -- Number of rules. */
#define YYNRULES 185
/* YYNRULES -- Number of states. */
#define YYNSTATES 330
/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
#define YYUNDEFTOK 2
#define YYMAXUTOK 307
#define YYTRANSLATE(YYX) \
((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
static const yytype_uint8 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, 62, 2, 2, 65, 61, 2, 2,
66, 67, 59, 57, 54, 58, 2, 60, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 53, 73,
55, 2, 56, 52, 68, 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, 69, 2, 70, 64, 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, 71, 2, 72, 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, 40, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 51, 63
};
#if YYDEBUG
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
YYRHS. */
static const yytype_uint16 yyprhs[] =
{
0, 0, 3, 4, 7, 10, 13, 16, 19, 22,
25, 30, 32, 35, 37, 38, 40, 45, 47, 49,
51, 53, 59, 61, 63, 65, 68, 70, 72, 73,
81, 82, 86, 88, 90, 91, 94, 97, 99, 102,
105, 109, 111, 121, 128, 137, 146, 159, 171, 173,
176, 179, 182, 185, 189, 190, 195, 198, 199, 204,
205, 210, 215, 217, 218, 220, 221, 224, 227, 233,
238, 240, 243, 246, 248, 250, 252, 254, 256, 260,
261, 262, 266, 273, 283, 285, 288, 289, 291, 292,
295, 296, 298, 300, 304, 306, 309, 313, 314, 316,
317, 319, 321, 325, 327, 330, 334, 338, 342, 346,
350, 354, 358, 362, 368, 370, 372, 374, 377, 379,
381, 383, 385, 387, 389, 392, 394, 398, 402, 406,
410, 414, 418, 422, 425, 428, 434, 439, 443, 447,
451, 455, 459, 463, 465, 468, 472, 477, 482, 484,
486, 488, 491, 494, 496, 498, 501, 504, 506, 509,
514, 515, 517, 518, 521, 523, 526, 528, 532, 534,
537, 540, 542, 545, 547, 551, 553, 555, 556, 559,
562, 564, 565, 567, 569, 571
};
/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yytype_int16 yyrhs[] =
{
75, 0, -1, -1, 75, 76, -1, 75, 104, -1,
75, 47, -1, 75, 1, -1, 78, 79, -1, 78,
88, -1, 82, 79, -1, 68, 48, 77, 88, -1,
6, -1, 6, 1, -1, 1, -1, -1, 112, -1,
112, 54, 105, 112, -1, 17, -1, 18, -1, 36,
-1, 37, -1, 132, 87, 133, 135, 105, -1, 4,
-1, 3, -1, 81, -1, 68, 49, -1, 45, -1,
46, -1, -1, 35, 83, 80, 66, 107, 134, 105,
-1, -1, 86, 85, 5, -1, 60, -1, 51, -1,
-1, 87, 89, -1, 87, 1, -1, 104, -1, 136,
105, -1, 136, 105, -1, 132, 87, 133, -1, 103,
-1, 23, 66, 112, 134, 105, 132, 96, 105, 133,
-1, 26, 66, 112, 134, 105, 89, -1, 27, 105,
89, 26, 66, 112, 134, 105, -1, 28, 66, 4,
40, 129, 134, 105, 89, -1, 28, 66, 95, 136,
105, 112, 136, 105, 95, 134, 105, 89, -1, 28,
66, 95, 136, 105, 136, 105, 95, 134, 105, 89,
-1, 90, -1, 29, 88, -1, 30, 88, -1, 33,
88, -1, 39, 88, -1, 34, 109, 88, -1, -1,
21, 91, 109, 88, -1, 92, 88, -1, -1, 99,
93, 100, 101, -1, -1, 22, 4, 94, 123, -1,
22, 66, 4, 67, -1, 112, -1, -1, 92, -1,
-1, 96, 97, -1, 96, 1, -1, 24, 98, 137,
105, 87, -1, 25, 137, 105, 87, -1, 7, -1,
58, 7, -1, 57, 7, -1, 8, -1, 84, -1,
31, -1, 32, -1, 110, -1, 66, 111, 134, -1,
-1, -1, 10, 102, 116, -1, 19, 66, 112, 134,
105, 89, -1, 19, 66, 112, 134, 105, 89, 20,
105, 89, -1, 50, -1, 104, 50, -1, -1, 104,
-1, -1, 55, 117, -1, -1, 108, -1, 4, -1,
108, 138, 4, -1, 1, -1, 108, 1, -1, 108,
138, 1, -1, -1, 112, -1, -1, 111, -1, 112,
-1, 111, 138, 112, -1, 1, -1, 111, 1, -1,
111, 1, 112, -1, 111, 138, 1, -1, 130, 113,
112, -1, 112, 41, 112, -1, 112, 42, 112, -1,
112, 14, 112, -1, 112, 40, 129, -1, 112, 115,
112, -1, 112, 52, 112, 53, 112, -1, 116, -1,
13, -1, 12, -1, 51, 13, -1, 9, -1, 55,
-1, 114, -1, 56, -1, 117, -1, 118, -1, 116,
117, -1, 119, -1, 117, 64, 117, -1, 117, 59,
117, -1, 117, 60, 117, -1, 117, 61, 117, -1,
117, 57, 117, -1, 117, 58, 117, -1, 38, 122,
106, -1, 130, 43, -1, 130, 44, -1, 66, 111,
134, 40, 129, -1, 116, 11, 38, 122, -1, 118,
64, 117, -1, 118, 59, 117, -1, 118, 60, 117,
-1, 118, 61, 117, -1, 118, 57, 117, -1, 118,
58, 117, -1, 84, -1, 62, 117, -1, 66, 112,
134, -1, 45, 66, 110, 134, -1, 46, 66, 110,
134, -1, 46, -1, 120, -1, 130, -1, 43, 130,
-1, 44, 130, -1, 7, -1, 8, -1, 58, 117,
-1, 57, 117, -1, 121, -1, 68, 121, -1, 3,
66, 110, 134, -1, -1, 130, -1, -1, 124, 16,
-1, 125, -1, 124, 125, -1, 126, -1, 69, 111,
70, -1, 126, -1, 127, 126, -1, 127, 16, -1,
4, -1, 4, 128, -1, 129, -1, 65, 119, 131,
-1, 43, -1, 44, -1, -1, 71, 105, -1, 72,
105, -1, 67, -1, -1, 136, -1, 73, -1, 53,
-1, 54, 105, -1
};
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const yytype_uint16 yyrline[] =
{
0, 219, 219, 221, 226, 227, 231, 243, 247, 258,
266, 274, 282, 284, 290, 291, 293, 319, 330, 341,
347, 356, 366, 368, 370, 381, 386, 387, 392, 391,
421, 420, 453, 455, 460, 461, 474, 479, 480, 484,
486, 488, 495, 585, 627, 669, 782, 789, 796, 806,
815, 824, 833, 844, 860, 859, 871, 883, 883, 979,
979, 1005, 1028, 1034, 1035, 1041, 1042, 1049, 1054, 1066,
1080, 1082, 1088, 1093, 1095, 1103, 1105, 1114, 1115, 1123,
1128, 1128, 1139, 1143, 1151, 1152, 1155, 1157, 1162, 1163,
1170, 1172, 1176, 1182, 1189, 1191, 1193, 1200, 1201, 1207,
1208, 1213, 1215, 1220, 1222, 1224, 1226, 1232, 1239, 1241,
1243, 1259, 1269, 1276, 1278, 1283, 1285, 1287, 1295, 1297,
1302, 1304, 1309, 1311, 1313, 1366, 1368, 1370, 1372, 1374,
1376, 1378, 1380, 1403, 1408, 1413, 1438, 1444, 1446, 1448,
1450, 1452, 1454, 1459, 1463, 1494, 1496, 1502, 1508, 1521,
1522, 1523, 1528, 1533, 1537, 1541, 1553, 1566, 1571, 1607,
1625, 1626, 1632, 1633, 1638, 1640, 1647, 1664, 1681, 1683,
1690, 1695, 1703, 1717, 1729, 1738, 1742, 1746, 1750, 1754,
1758, 1761, 1763, 1767, 1771, 1775
};
#endif
#if YYDEBUG || YYERROR_VERBOSE || 0
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
"$end", "error", "$undefined", "FUNC_CALL", "NAME", "REGEXP",
"FILENAME", "YNUMBER", "YSTRING", "RELOP", "IO_OUT", "IO_IN", "ASSIGNOP",
"ASSIGN", "MATCHOP", "CONCAT_OP", "SUBSCRIPT", "LEX_BEGIN", "LEX_END",
"LEX_IF", "LEX_ELSE", "LEX_RETURN", "LEX_DELETE", "LEX_SWITCH",
"LEX_CASE", "LEX_DEFAULT", "LEX_WHILE", "LEX_DO", "LEX_FOR", "LEX_BREAK",
"LEX_CONTINUE", "LEX_PRINT", "LEX_PRINTF", "LEX_NEXT", "LEX_EXIT",
"LEX_FUNCTION", "LEX_BEGINFILE", "LEX_ENDFILE", "LEX_GETLINE",
"LEX_NEXTFILE", "LEX_IN", "LEX_AND", "LEX_OR", "INCREMENT", "DECREMENT",
"LEX_BUILTIN", "LEX_LENGTH", "LEX_EOF", "LEX_INCLUDE", "LEX_EVAL",
"NEWLINE", "SLASH_BEFORE_EQUAL", "'?'", "':'", "','", "'<'", "'>'",
"'+'", "'-'", "'*'", "'/'", "'%'", "'!'", "UNARY", "'^'", "'$'", "'('",
"')'", "'@'", "'['", "']'", "'{'", "'}'", "';'", "$accept", "program",
"rule", "source", "pattern", "action", "func_name", "lex_builtin",
"function_prologue", "$@1", "regexp", "$@2", "a_slash", "statements",
"statement_term", "statement", "non_compound_stmt", "$@3", "simple_stmt",
"$@4", "$@5", "opt_simple_stmt", "case_statements", "case_statement",
"case_value", "print", "print_expression_list", "output_redir", "$@6",
"if_statement", "nls", "opt_nls", "input_redir", "opt_param_list",
"param_list", "opt_exp", "opt_expression_list", "expression_list", "exp",
"assign_operator", "relop_or_less", "a_relop", "common_exp", "simp_exp",
"simp_exp_nc", "non_post_simp_exp", "func_call", "direct_func_call",
"opt_variable", "delete_subscript_list", "delete_subscript",
"delete_exp_list", "bracketed_exp_list", "subscript", "subscript_list",
"simple_variable", "variable", "opt_incdec", "l_brace", "r_brace",
"r_paren", "opt_semi", "semi", "colon", "comma", YY_NULL
};
#endif
# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
token YYLEX-NUM. */
static const yytype_uint16 yytoknum[] =
{
0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
305, 306, 63, 58, 44, 60, 62, 43, 45, 42,
47, 37, 33, 307, 94, 36, 40, 41, 64, 91,
93, 123, 125, 59
};
# endif
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const yytype_uint8 yyr1[] =
{
0, 74, 75, 75, 75, 75, 75, 76, 76, 76,
76, 77, 77, 77, 78, 78, 78, 78, 78, 78,
78, 79, 80, 80, 80, 80, 81, 81, 83, 82,
85, 84, 86, 86, 87, 87, 87, 88, 88, 89,
89, 89, 89, 89, 89, 89, 89, 89, 89, 90,
90, 90, 90, 90, 91, 90, 90, 93, 92, 94,
92, 92, 92, 95, 95, 96, 96, 96, 97, 97,
98, 98, 98, 98, 98, 99, 99, 100, 100, 101,
102, 101, 103, 103, 104, 104, 105, 105, 106, 106,
107, 107, 108, 108, 108, 108, 108, 109, 109, 110,
110, 111, 111, 111, 111, 111, 111, 112, 112, 112,
112, 112, 112, 112, 112, 113, 113, 113, 114, 114,
115, 115, 116, 116, 116, 117, 117, 117, 117, 117,
117, 117, 117, 117, 117, 117, 118, 118, 118, 118,
118, 118, 118, 119, 119, 119, 119, 119, 119, 119,
119, 119, 119, 119, 119, 119, 119, 120, 120, 121,
122, 122, 123, 123, 124, 124, 125, 126, 127, 127,
128, 129, 129, 130, 130, 131, 131, 131, 132, 133,
134, 135, 135, 136, 137, 138
};
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
static const yytype_uint8 yyr2[] =
{
0, 2, 0, 2, 2, 2, 2, 2, 2, 2,
4, 1, 2, 1, 0, 1, 4, 1, 1, 1,
1, 5, 1, 1, 1, 2, 1, 1, 0, 7,
0, 3, 1, 1, 0, 2, 2, 1, 2, 2,
3, 1, 9, 6, 8, 8, 12, 11, 1, 2,
2, 2, 2, 3, 0, 4, 2, 0, 4, 0,
4, 4, 1, 0, 1, 0, 2, 2, 5, 4,
1, 2, 2, 1, 1, 1, 1, 1, 3, 0,
0, 3, 6, 9, 1, 2, 0, 1, 0, 2,
0, 1, 1, 3, 1, 2, 3, 0, 1, 0,
1, 1, 3, 1, 2, 3, 3, 3, 3, 3,
3, 3, 3, 5, 1, 1, 1, 2, 1, 1,
1, 1, 1, 1, 2, 1, 3, 3, 3, 3,
3, 3, 3, 2, 2, 5, 4, 3, 3, 3,
3, 3, 3, 1, 2, 3, 4, 4, 1, 1,
1, 2, 2, 1, 1, 2, 2, 1, 2, 4,
0, 1, 0, 2, 1, 2, 1, 3, 1, 2,
2, 1, 2, 1, 3, 1, 1, 0, 2, 2,
1, 0, 1, 1, 1, 2
};
/* YYDEFACT[STATE-NAME] -- Default reduction number in state STATE-NUM.
Performed when YYTABLE doesn't specify something else to do. Zero
means the default is an error. */
static const yytype_uint8 yydefact[] =
{
2, 0, 1, 6, 0, 171, 153, 154, 17, 18,
28, 19, 20, 160, 0, 0, 0, 148, 5, 84,
33, 0, 0, 32, 0, 0, 0, 0, 3, 0,
0, 143, 30, 4, 15, 114, 122, 123, 125, 149,
157, 173, 150, 0, 0, 168, 0, 172, 0, 88,
161, 151, 152, 0, 0, 0, 156, 150, 155, 144,
0, 177, 150, 103, 0, 101, 0, 158, 86, 183,
7, 8, 37, 34, 86, 9, 0, 85, 118, 0,
0, 0, 0, 0, 86, 119, 121, 120, 0, 0,
124, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 116, 115, 133, 134, 0, 0, 0,
0, 101, 0, 170, 169, 23, 22, 26, 27, 0,
0, 24, 0, 132, 0, 0, 0, 175, 176, 174,
104, 86, 180, 0, 0, 145, 13, 0, 0, 87,
178, 0, 38, 31, 110, 111, 108, 109, 0, 0,
112, 160, 130, 131, 127, 128, 129, 126, 141, 142,
138, 139, 140, 137, 117, 107, 159, 167, 25, 0,
89, 146, 147, 105, 185, 0, 106, 102, 12, 10,
36, 0, 54, 0, 0, 0, 86, 0, 0, 0,
75, 76, 0, 97, 0, 86, 35, 48, 0, 57,
41, 62, 34, 181, 86, 0, 16, 136, 94, 92,
0, 0, 135, 0, 97, 59, 0, 0, 0, 0,
63, 49, 50, 51, 0, 98, 52, 179, 56, 0,
0, 86, 182, 39, 113, 86, 95, 0, 0, 0,
162, 0, 0, 0, 0, 171, 64, 0, 53, 0,
79, 77, 40, 21, 29, 96, 93, 86, 55, 60,
0, 164, 166, 61, 86, 86, 0, 0, 86, 0,
80, 58, 0, 163, 165, 0, 0, 0, 0, 0,
78, 0, 82, 65, 43, 0, 86, 0, 86, 81,
86, 0, 86, 0, 86, 63, 0, 67, 0, 0,
66, 0, 44, 45, 63, 0, 83, 70, 73, 0,
0, 74, 0, 184, 86, 42, 0, 86, 72, 71,
86, 34, 86, 0, 34, 0, 0, 47, 0, 46
};
/* YYDEFGOTO[NTERM-NUM]. */
static const yytype_int16 yydefgoto[] =
{
-1, 1, 28, 138, 29, 70, 120, 121, 30, 48,
31, 76, 32, 141, 71, 196, 197, 214, 198, 229,
240, 247, 291, 300, 312, 199, 250, 271, 281, 200,
139, 140, 123, 210, 211, 224, 109, 110, 201, 108,
87, 88, 35, 36, 37, 38, 39, 40, 49, 259,
260, 261, 45, 46, 47, 41, 42, 129, 202, 203,
135, 231, 204, 314, 134
};
/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
STATE-NUM. */
#define YYPACT_NINF -269
static const yytype_int16 yypact[] =
{
-269, 335, -269, -269, -31, -24, -269, -269, -269, -269,
-269, -269, -269, 12, 12, 12, -19, -12, -269, -269,
-269, 978, 978, -269, 978, 1023, 804, 21, -269, 115,
-21, -269, -269, 8, 1062, 952, -20, 330, -269, -269,
-269, -269, 246, 736, 804, -269, 2, -269, 205, 15,
-269, -269, -269, 736, 736, 70, 52, 80, 52, 52,
978, 147, -269, -269, 50, 308, 174, -269, 64, -269,
-269, -269, 8, -269, 64, -269, 129, -269, -269, 978,
143, 978, 978, 978, 64, -269, -269, -269, 978, 112,
-20, 978, 978, 978, 978, 978, 978, 978, 978, 978,
978, 978, 978, -269, -269, -269, -269, 141, 978, 90,
152, 1101, 48, -269, -269, -269, -269, -269, -269, 111,
105, -269, 978, -269, 90, 90, 308, -269, -269, -269,
978, 64, -269, 134, 830, -269, -269, 13, -16, 8,
-269, 552, -269, -269, 53, -269, 142, 300, 1081, 978,
103, 12, 185, 185, 52, 52, 52, 52, 185, 185,
52, 52, 52, 52, -269, 1101, -269, -269, -269, 63,
-20, -269, -269, 1101, -269, 143, -269, 1101, -269, -269,
-269, 121, -269, 6, 130, 137, 64, 139, -16, -16,
-269, -269, -16, 978, -16, 64, -269, -269, -16, -269,
-269, 1101, -269, 127, 64, 978, 1101, -269, -269, -269,
90, 118, -269, 978, 978, -269, 180, 978, 978, 665,
875, -269, -269, -269, -16, 1101, -269, -269, -269, 598,
552, 64, -269, -269, 1101, 64, -269, 28, 308, -16,
-24, 140, 308, 308, 189, -14, -269, 127, -269, 804,
201, -269, -269, -269, -269, -269, -269, 64, -269, -269,
14, -269, -269, -269, 64, 64, 158, 143, 64, 50,
-269, -269, 665, -269, -269, -21, 665, 978, 90, 710,
134, 978, 198, -269, -269, 308, 64, 1056, 64, 952,
64, 60, 64, 665, 64, 907, 665, -269, 119, 177,
-269, 155, -269, -269, 907, 90, -269, -269, -269, 224,
228, -269, 177, -269, 64, -269, 90, 64, -269, -269,
64, -269, 64, 665, -269, 406, 665, -269, 479, -269
};
/* YYPGOTO[NTERM-NUM]. */
static const yytype_int16 yypgoto[] =
{
-269, -269, -269, -269, -269, 208, -269, -269, -269, -269,
-58, -269, -269, -193, 72, -171, -269, -269, -189, -269,
-269, -268, -269, -269, -269, -269, -269, -269, -269, -269,
45, 37, -269, -269, -269, 38, -48, -23, -1, -269,
-269, -269, -26, 44, -269, 217, -269, 1, 102, -269,
-269, -3, -39, -269, -269, -72, -2, -269, -28, -213,
-49, -269, -25, -47, 66
};
/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
positive, shift that token. If negative, reduce the rule which
number is the opposite. If YYTABLE_NINF, syntax error. */
#define YYTABLE_NINF -101
static const yytype_int16 yytable[] =
{
34, 73, 73, 64, 74, 124, 125, 114, 145, 230,
215, 50, 51, 52, 178, 133, 5, 252, 113, 57,
57, 112, 57, 62, 4, 65, 267, 305, 67, 255,
273, 246, 256, 57, 19, 43, 316, 91, 92, 93,
94, 95, 111, 111, 96, 44, 33, 53, 244, 130,
68, 130, 111, 111, 54, 44, 67, 69, 77, 126,
166, 297, 78, -11, 208, 56, 58, 209, 59, 66,
122, 44, 216, 4, 72, 171, 172, 25, 144, 90,
146, 147, 148, 44, 298, 299, -11, 150, 315, 57,
57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
57, 282, 131, 212, 131, 284, 246, 165, 85, 86,
19, 142, -101, 74, 19, 246, 96, 132, 167, 236,
57, 149, 303, 105, 106, 306, 307, 308, 325, 173,
-90, 328, -86, 177, 143, 152, 153, 154, 155, 156,
157, 158, 159, 160, 161, 162, 163, 5, 206, 50,
151, 78, 327, 130, 164, 329, 79, 132, -101, -101,
168, 235, -100, 74, 74, 19, 170, 74, 174, 74,
20, 169, 131, 74, 175, 136, 309, 310, 232, 23,
137, 251, 80, 72, 241, -91, 68, 213, 69, 257,
127, 128, 225, 264, 265, 278, 217, 85, 86, 74,
69, 262, -100, 218, 234, 220, 131, 263, 115, 116,