[perl5.git] / x2p / a2p.h

/*    a2p.h
 *
 *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 *    2000, 2001, 2002, by Larry Wall and others
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 */

#define VOIDUSED 1

#ifdef WIN32
#define _INC_WIN32_PERL5	/* kludge around win32 stdio layer */
#endif

#ifdef VMS
#  include "config.h"
#elif defined(NETWARE)
#  include "../NetWare/config.h"
#else
#  include "../config.h"
#endif

#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
# define STANDARD_C 1
#endif

#ifdef WIN32
#undef USE_STDIO_PTR		/* XXX fast gets won't work, must investigate */
#  ifndef STANDARD_C
#    define STANDARD_C
#  endif
#  if defined(__BORLANDC__)
#    pragma warn -ccc
#    pragma warn -rch
#    pragma warn -sig
#    pragma warn -pia
#    pragma warn -par
#    pragma warn -aus
#    pragma warn -use
#    pragma warn -csu
#    pragma warn -pro
#  elif defined(_MSC_VER)
#  elif defined(__MINGW32__)
#  endif
#endif

/* Use all the "standard" definitions? */
#if defined(STANDARD_C) && defined(I_STDLIB)
#   include <stdlib.h>
#endif /* STANDARD_C */

#include <stdio.h>

#ifdef I_MATH
#include <math.h>
#endif

#ifdef I_SYS_TYPES
#  include <sys/types.h>
#endif

#ifdef USE_NEXT_CTYPE

#if NX_CURRENT_COMPILER_RELEASE >= 400
#include <objc/NXCType.h>
#else /*  NX_CURRENT_COMPILER_RELEASE < 400 */
#include <appkit/NXCType.h>
#endif /*  NX_CURRENT_COMPILER_RELEASE >= 400 */

#else /* !USE_NEXT_CTYPE */
#include <ctype.h>
#endif /* USE_NEXT_CTYPE */

#define MEM_SIZE Size_t
#ifdef PERL_MEM_LOG
/* Blindly copied from ../perl.h. -- AD 2/2006. */
/* Configure gets this right but the UTS compiler gets it wrong.
   -- Hal Morris <hom00@utsglobal.com> */
#  ifdef UTS
#    undef  UVTYPE
#    define UVTYPE unsigned
#  endif

  typedef IVTYPE IV;
  typedef UVTYPE UV;
#endif

#ifndef STANDARD_C
    Malloc_t malloc (MEM_SIZE nbytes);
    Malloc_t calloc (MEM_SIZE elements, MEM_SIZE size);
    Malloc_t realloc (Malloc_t where, MEM_SIZE nbytes);
    Free_t   free (Malloc_t where);
#endif

#if defined(I_STRING) || defined(__cplusplus)
#   include <string.h>
#else
#   include <strings.h>
#endif

#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
#define strchr index
#define strrchr rindex
#endif

#ifdef I_TIME
#   include <time.h>
#endif

#ifdef I_SYS_TIME
#   ifdef I_SYS_TIME_KERNEL
#	define KERNEL
#   endif
#   include <sys/time.h>
#   ifdef I_SYS_TIME_KERNEL
#	undef KERNEL
#   endif
#endif

#ifndef MSDOS
#  if defined(HAS_TIMES) && defined(I_SYS_TIMES)
#    include <sys/times.h>
#  endif
#endif

#ifdef DOSISH
# if defined(OS2)
#   define PTHX_UNUSED
#   include "../os2ish.h"
# else
#   include "../dosish.h"
# endif
#else
# if defined(VMS)
#   define NO_PERL_TYPEDEFS
#   include "vmsish.h"
# endif
#endif

#ifndef STANDARD_C
/* All of these are in stdlib.h or time.h for ANSI C */
Time_t time();
struct tm *gmtime(), *localtime();
#if defined(OEMVS) || defined(__OPEN_VM)
char *(strchr)(), *(strrchr)();
char *(strcpy)(), *(strcat)();
#else
char *strchr(), *strrchr();
char *strcpy(), *strcat();
#endif
#endif /* ! STANDARD_C */

#ifdef VMS
#  include "handy.h"
#else 
#  include "../handy.h"
#endif

#undef Nullfp
#define Nullfp Null(FILE*)

#define Nullop 0

#define OPROG		1
#define OJUNK		2
#define OHUNKS		3
#define ORANGE		4
#define OPAT		5
#define OHUNK		6
#define OPPAREN		7
#define OPANDAND	8
#define OPOROR		9
#define OPNOT		10
#define OCPAREN		11
#define OCANDAND	12
#define OCOROR		13
#define OCNOT		14
#define ORELOP		15
#define ORPAREN		16
#define OMATCHOP	17
#define OMPAREN		18
#define OCONCAT		19
#define OASSIGN		20
#define OADD		21
#define OSUBTRACT	22
#define OMULT		23
#define ODIV		24
#define OMOD		25
#define OPOSTINCR	26
#define OPOSTDECR	27
#define OPREINCR	28
#define OPREDECR	29
#define OUMINUS		30
#define OUPLUS		31
#define OPAREN		32
#define OGETLINE	33
#define OSPRINTF	34
#define OSUBSTR		35
#define OSTRING		36
#define OSPLIT		37
#define OSNEWLINE	38
#define OINDEX		39
#define ONUM		40
#define OSTR		41
#define OVAR		42
#define OFLD		43
#define ONEWLINE	44
#define OCOMMENT	45
#define OCOMMA		46
#define OSEMICOLON	47
#define OSCOMMENT	48
#define OSTATES		49
#define OSTATE		50
#define OPRINT		51
#define OPRINTF		52
#define OBREAK		53
#define ONEXT		54
#define OEXIT		55
#define OCONTINUE	56
#define OREDIR		57
#define OIF		58
#define OWHILE		59
#define OFOR		60
#define OFORIN		61
#define OVFLD		62
#define OBLOCK		63
#define OREGEX		64
#define OLENGTH		65
#define OLOG		66
#define OEXP		67
#define OSQRT		68
#define OINT		69
#define ODO		70
#define OPOW		71
#define OSUB		72
#define OGSUB		73
#define OMATCH		74
#define OUSERFUN	75
#define OUSERDEF	76
#define OCLOSE		77
#define OATAN2		78
#define OSIN		79
#define OCOS		80
#define ORAND		81
#define OSRAND		82
#define ODELETE		83
#define OSYSTEM		84
#define OCOND		85
#define ORETURN		86
#define ODEFINED	87
#define OSTAR		88

#ifdef DOINIT
char *opname[] = {
    "0",
    "PROG",
    "JUNK",
    "HUNKS",
    "RANGE",
    "PAT",
    "HUNK",
    "PPAREN",
    "PANDAND",
    "POROR",
    "PNOT",
    "CPAREN",
    "CANDAND",
    "COROR",
    "CNOT",
    "RELOP",
    "RPAREN",
    "MATCHOP",
    "MPAREN",
    "CONCAT",
    "ASSIGN",
    "ADD",
    "SUBTRACT",
    "MULT",
    "DIV",
    "MOD",
    "POSTINCR",
    "POSTDECR",
    "PREINCR",
    "PREDECR",
    "UMINUS",
    "UPLUS",
    "PAREN",
    "GETLINE",
    "SPRINTF",
    "SUBSTR",
    "STRING",
    "SPLIT",
    "SNEWLINE",
    "INDEX",
    "NUM",
    "STR",
    "VAR",
    "FLD",
    "NEWLINE",
    "COMMENT",
    "COMMA",
    "SEMICOLON",
    "SCOMMENT",
    "STATES",
    "STATE",
    "PRINT",
    "PRINTF",
    "BREAK",
    "NEXT",
    "EXIT",
    "CONTINUE",
    "REDIR",
    "IF",
    "WHILE",
    "FOR",
    "FORIN",
    "VFLD",
    "BLOCK",
    "REGEX",
    "LENGTH",
    "LOG",
    "EXP",
    "SQRT",
    "INT",
    "DO",
    "POW",
    "SUB",
    "GSUB",
    "MATCH",
    "USERFUN",
    "USERDEF",
    "CLOSE",
    "ATAN2",
    "SIN",
    "COS",
    "RAND",
    "SRAND",
    "DELETE",
    "SYSTEM",
    "COND",
    "RETURN",
    "DEFINED",
    "STAR",
    "89"
};
#else
extern char *opname[];
#endif

EXT int mop INIT(1);

union u_ops {
    int ival;
    char *cval;
};
#if defined(iAPX286) || defined(M_I286) || defined(I80286) 	/* 80286 hack */
#define OPSMAX (64000/sizeof(union u_ops))	/* approx. max segment size */
#else
#define OPSMAX 50000
#endif						 	/* 80286 hack */
EXT union u_ops ops[OPSMAX];

typedef struct string STR;
typedef struct htbl HASH;

#include "str.h"
#include "hash.h"


/* A string is TRUE if not "" or "0". */
#define True(val) (tmps = (val), (*tmps && !(*tmps == '0' && !tmps[1])))
EXT char *Yes INIT("1");
EXT char *No INIT("");

#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
EXT STR *Str;

#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)

/* Prototypes for things in a2p.c */
int aryrefarg ( int arg );
int bl ( int arg, int maybe );
void dump ( int branch );
int fixfargs ( int name, int arg, int prevargs );
int fixrargs ( char *name, int arg, int prevargs );
void fixup ( STR *str );
int numary ( int arg );
int oper0 ( int type );
int oper1 ( int type, int arg1 );
int oper2 ( int type, int arg1, int arg2 );
int oper3 ( int type, int arg1, int arg2, int arg3 );
int oper4 ( int type, int arg1, int arg2, int arg3, int arg4 );
int oper5 ( int type, int arg1, int arg2, int arg3, int arg4, int arg5 );
void putlines ( STR *str );
void putone ( void );
int rememberargs ( int arg );
char * scannum ( char *s );
char * scanpat ( char *s );
int string ( char *ptr, int len );
void yyerror ( char *s );
int yylex ( void );

EXT int line INIT(0);

EXT FILE *rsfp;
EXT char buf[2048];
EXT char *bufptr INIT(buf);

EXT STR *linestr INIT(Nullstr);

EXT char tokenbuf[2048];
EXT int expectterm INIT(TRUE);

#ifdef DEBUGGING
EXT int debug INIT(0);
EXT int dlevel INIT(0);
#define YYDEBUG 1
extern int yydebug;
#else
# ifndef YYDEBUG
#  define YYDEBUG 0
# endif
#endif

EXT STR *freestrroot INIT(Nullstr);

EXT STR str_no;
EXT STR str_yes;

EXT bool do_split INIT(FALSE);
EXT bool split_to_array INIT(FALSE);
EXT bool set_array_base INIT(FALSE);
EXT bool saw_RS INIT(FALSE);
EXT bool saw_OFS INIT(FALSE);
EXT bool saw_ORS INIT(FALSE);
EXT bool saw_line_op INIT(FALSE);
EXT bool in_begin INIT(TRUE);
EXT bool do_opens INIT(FALSE);
EXT bool do_fancy_opens INIT(FALSE);
EXT bool lval_field INIT(FALSE);
EXT bool do_chop INIT(FALSE);
EXT bool need_entire INIT(FALSE);
EXT bool absmaxfld INIT(FALSE);
EXT bool saw_altinput INIT(FALSE);

EXT bool nomemok INIT(FALSE);

EXT char const_FS INIT(0);
EXT char *namelist INIT(Nullch);
EXT char fswitch INIT(0);
EXT bool old_awk INIT(0);

EXT int saw_FS INIT(0);
EXT int maxfld INIT(0);
EXT int arymax INIT(0);
EXT char *nameary[100];

EXT STR *opens;

EXT HASH *symtab;
EXT HASH *curarghash;

#define P_MIN		0
#define P_LISTOP	5
#define P_COMMA		10
#define P_ASSIGN	15
#define P_COND		20
#define P_DOTDOT	25
#define P_OROR		30
#define P_ANDAND	35
#define P_OR		40
#define P_AND		45
#define P_EQ		50
#define P_REL		55
#define P_UNI		60
#define P_FILETEST	65
#define P_SHIFT		70
#define P_ADD		75
#define P_MUL		80
#define P_MATCH		85
#define P_UNARY		90
#define P_POW		95
#define P_AUTO		100
#define P_MAX		999

EXT int an;
Commit	Line	Data
8665f9e4	1	/* a2p.h
a687059c	2	*
4bb101f2 JH	3	* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4bb101f2 JH	4	* 2000, 2001, 2002, by Larry Wall and others
a687059c	5	*
2b317908 LW	6	* You may distribute under the terms of either the GNU General Public
2b317908 LW	7	* License or the Artistic License, as specified in the README file.
8d063cd8 LW	8	*/
8d063cd8 LW	9
be04251a	10	#define VOIDUSED 1
d07c2202 GS	11
	12	#ifdef WIN32
	13	#define _INC_WIN32_PERL5 /* kludge around win32 stdio layer */
	14	#endif
	15
774d564b	16	#ifdef VMS
774d564b	17	# include "config.h"
cf267c36 JH	18	#elif defined(NETWARE)
cf267c36 JH	19	# include "../NetWare/config.h"
774d564b	20	#else
	21	# include "../config.h"
	22	#endif
be04251a	23
4d09c4de	24	#if defined(__STDC__) \|\| defined(_AIX) \|\| defined(__stdc__) \|\| defined(__cplusplus)
3730b96e GS	25	# define STANDARD_C 1
	26	#endif
	27
d07c2202 GS	28	#ifdef WIN32
	29	#undef USE_STDIO_PTR /* XXX fast gets won't work, must investigate */
	30	# ifndef STANDARD_C
	31	# define STANDARD_C
	32	# endif
	33	# if defined(__BORLANDC__)
	34	# pragma warn -ccc
	35	# pragma warn -rch
	36	# pragma warn -sig
	37	# pragma warn -pia
	38	# pragma warn -par
	39	# pragma warn -aus
	40	# pragma warn -use
	41	# pragma warn -csu
	42	# pragma warn -pro
	43	# elif defined(_MSC_VER)
	44	# elif defined(__MINGW32__)
	45	# endif
	46	#endif
	47
9c8d0b29 AD	48	/* Use all the "standard" definitions? */
	49	#if defined(STANDARD_C) && defined(I_STDLIB)
	50	# include <stdlib.h>
	51	#endif /* STANDARD_C */
fed7345c	52
9c8d0b29 AD	53	#include <stdio.h>
	54
	55	#ifdef I_MATH
	56	#include <math.h>
	57	#endif
	58
fed7345c AD	59	#ifdef I_SYS_TYPES
	60	# include <sys/types.h>
	61	#endif
	62
dfe0b228	63	#ifdef USE_NEXT_CTYPE
	64
	65	#if NX_CURRENT_COMPILER_RELEASE >= 400
	66	#include <objc/NXCType.h>
	67	#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
9c8d0b29	68	#include <appkit/NXCType.h>
dfe0b228	69	#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
	70
	71	#else /* !USE_NEXT_CTYPE */
9c8d0b29	72	#include <ctype.h>
dfe0b228	73	#endif /* USE_NEXT_CTYPE */
9c8d0b29 AD	74
9c8d0b29 AD	75	#define MEM_SIZE Size_t
bc82975d AD	76	#ifdef PERL_MEM_LOG
	77	/* Blindly copied from ../perl.h. -- AD 2/2006. */
	78	/* Configure gets this right but the UTS compiler gets it wrong.
	79	-- Hal Morris <hom00@utsglobal.com> */
	80	# ifdef UTS
	81	# undef UVTYPE
	82	# define UVTYPE unsigned
	83	# endif
	84
	85	typedef IVTYPE IV;
	86	typedef UVTYPE UV;
	87	#endif
9c8d0b29	88
c1d22f6b	89	#ifndef STANDARD_C
20ce7b12 GS	90	Malloc_t malloc (MEM_SIZE nbytes);
	91	Malloc_t calloc (MEM_SIZE elements, MEM_SIZE size);
	92	Malloc_t realloc (Malloc_t where, MEM_SIZE nbytes);
	93	Free_t free (Malloc_t where);
55497cff	94	#endif
55497cff	95
9c8d0b29 AD	96	#if defined(I_STRING) \|\| defined(__cplusplus)
	97	# include <string.h>
	98	#else
	99	# include <strings.h>
	100	#endif
	101
	102	#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
	103	#define strchr index
	104	#define strrchr rindex
	105	#endif
	106
1aef975c AD	107	#ifdef I_TIME
	108	# include <time.h>
	109	#endif
	110
	111	#ifdef I_SYS_TIME
	112	# ifdef I_SYS_TIME_KERNEL
	113	# define KERNEL
	114	# endif
	115	# include <sys/time.h>
	116	# ifdef I_SYS_TIME_KERNEL
	117	# undef KERNEL
	118	# endif
	119	#endif
	120
	121	#ifndef MSDOS
	122	# if defined(HAS_TIMES) && defined(I_SYS_TIMES)
	123	# include <sys/times.h>
	124	# endif
	125	#endif
	126
4633a7c4 LW	127	#ifdef DOSISH
4633a7c4 LW	128	# if defined(OS2)
23da6c43	129	# define PTHX_UNUSED
4633a7c4 LW	130	# include "../os2ish.h"
	131	# else
	132	# include "../dosish.h"
	133	# endif
	134	#else
	135	# if defined(VMS)
44a8e56a	136	# define NO_PERL_TYPEDEFS
774d564b	137	# include "vmsish.h"
4633a7c4 LW	138	# endif
	139	#endif
	140
1aef975c AD	141	#ifndef STANDARD_C
	142	/* All of these are in stdlib.h or time.h for ANSI C */
	143	Time_t time();
	144	struct tm gmtime(), localtime();
092bebab JH	145	#if defined(OEMVS) \|\| defined(__OPEN_VM)
	146	char (strchr)(), (strrchr)();
	147	char (strcpy)(), (strcat)();
	148	#else
1aef975c AD	149	char strchr(), strrchr();
1aef975c AD	150	char strcpy(), strcat();
092bebab	151	#endif
1aef975c AD	152	#endif /* ! STANDARD_C */
1aef975c AD	153
774d564b	154	#ifdef VMS
	155	# include "handy.h"
	156	#else
	157	# include "../handy.h"
	158	#endif
55497cff	159
	160	#undef Nullfp
	161	#define Nullfp Null(FILE*)
	162
8d063cd8 LW	163	#define Nullop 0
	164
	165	#define OPROG 1
	166	#define OJUNK 2
	167	#define OHUNKS 3
	168	#define ORANGE 4
	169	#define OPAT 5
	170	#define OHUNK 6
	171	#define OPPAREN 7
	172	#define OPANDAND 8
	173	#define OPOROR 9
	174	#define OPNOT 10
	175	#define OCPAREN 11
	176	#define OCANDAND 12
	177	#define OCOROR 13
	178	#define OCNOT 14
	179	#define ORELOP 15
	180	#define ORPAREN 16
	181	#define OMATCHOP 17
	182	#define OMPAREN 18
	183	#define OCONCAT 19
	184	#define OASSIGN 20
	185	#define OADD 21
a687059c	186	#define OSUBTRACT 22
8d063cd8 LW	187	#define OMULT 23
	188	#define ODIV 24
	189	#define OMOD 25
	190	#define OPOSTINCR 26
	191	#define OPOSTDECR 27
	192	#define OPREINCR 28
	193	#define OPREDECR 29
	194	#define OUMINUS 30
	195	#define OUPLUS 31
	196	#define OPAREN 32
	197	#define OGETLINE 33
	198	#define OSPRINTF 34
	199	#define OSUBSTR 35
	200	#define OSTRING 36
	201	#define OSPLIT 37
	202	#define OSNEWLINE 38
	203	#define OINDEX 39
	204	#define ONUM 40
	205	#define OSTR 41
	206	#define OVAR 42
	207	#define OFLD 43
	208	#define ONEWLINE 44
	209	#define OCOMMENT 45
	210	#define OCOMMA 46
	211	#define OSEMICOLON 47
	212	#define OSCOMMENT 48
	213	#define OSTATES 49
	214	#define OSTATE 50
	215	#define OPRINT 51
	216	#define OPRINTF 52
	217	#define OBREAK 53
	218	#define ONEXT 54
	219	#define OEXIT 55
	220	#define OCONTINUE 56
	221	#define OREDIR 57
	222	#define OIF 58
	223	#define OWHILE 59
	224	#define OFOR 60
	225	#define OFORIN 61
	226	#define OVFLD 62
	227	#define OBLOCK 63
	228	#define OREGEX 64
	229	#define OLENGTH 65
	230	#define OLOG 66
	231	#define OEXP 67
	232	#define OSQRT 68
	233	#define OINT 69
a687059c LW	234	#define ODO 70
	235	#define OPOW 71
	236	#define OSUB 72
	237	#define OGSUB 73
	238	#define OMATCH 74
	239	#define OUSERFUN 75
	240	#define OUSERDEF 76
	241	#define OCLOSE 77
	242	#define OATAN2 78
	243	#define OSIN 79
	244	#define OCOS 80
	245	#define ORAND 81
	246	#define OSRAND 82
	247	#define ODELETE 83
	248	#define OSYSTEM 84
	249	#define OCOND 85
	250	#define ORETURN 86
	251	#define ODEFINED 87
	252	#define OSTAR 88
8d063cd8 LW	253
	254	#ifdef DOINIT
	255	char *opname[] = {
	256	"0",
	257	"PROG",
	258	"JUNK",
	259	"HUNKS",
	260	"RANGE",
	261	"PAT",
	262	"HUNK",
	263	"PPAREN",
	264	"PANDAND",
	265	"POROR",
	266	"PNOT",
	267	"CPAREN",
	268	"CANDAND",
	269	"COROR",
	270	"CNOT",
	271	"RELOP",
	272	"RPAREN",
	273	"MATCHOP",
	274	"MPAREN",
	275	"CONCAT",
	276	"ASSIGN",
	277	"ADD",
a687059c	278	"SUBTRACT",
8d063cd8 LW	279	"MULT",
	280	"DIV",
	281	"MOD",
	282	"POSTINCR",
	283	"POSTDECR",
	284	"PREINCR",
	285	"PREDECR",
	286	"UMINUS",
	287	"UPLUS",
	288	"PAREN",
	289	"GETLINE",
	290	"SPRINTF",
	291	"SUBSTR",
	292	"STRING",
	293	"SPLIT",
	294	"SNEWLINE",
	295	"INDEX",
	296	"NUM",
	297	"STR",
	298	"VAR",
	299	"FLD",
	300	"NEWLINE",
	301	"COMMENT",
	302	"COMMA",
	303	"SEMICOLON",
	304	"SCOMMENT",
	305	"STATES",
	306	"STATE",
	307	"PRINT",
	308	"PRINTF",
	309	"BREAK",
	310	"NEXT",
	311	"EXIT",
	312	"CONTINUE",
	313	"REDIR",
	314	"IF",
	315	"WHILE",
	316	"FOR",
	317	"FORIN",
	318	"VFLD",
	319	"BLOCK",
	320	"REGEX",
	321	"LENGTH",
	322	"LOG",
	323	"EXP",
	324	"SQRT",
	325	"INT",
a687059c LW	326	"DO",
	327	"POW",
	328	"SUB",
	329	"GSUB",
	330	"MATCH",
	331	"USERFUN",
	332	"USERDEF",
	333	"CLOSE",
	334	"ATAN2",
	335	"SIN",
	336	"COS",
	337	"RAND",
	338	"SRAND",
	339	"DELETE",
	340	"SYSTEM",
	341	"COND",
	342	"RETURN",
	343	"DEFINED",
	344	"STAR",
	345	"89"
8d063cd8 LW	346	};
	347	#else
	348	extern char *opname[];
	349	#endif
	350
a687059c LW	351	EXT int mop INIT(1);
a687059c LW	352
d8f2e4cc	353	union u_ops {
8d063cd8 LW	354	int ival;
8d063cd8 LW	355	char *cval;
d8f2e4cc LW	356	};
	357	#if defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286) /* 80286 hack */
	358	#define OPSMAX (64000/sizeof(union u_ops)) /* approx. max segment size */
	359	#else
	360	#define OPSMAX 50000
	361	#endif /* 80286 hack */
a0d0e21e	362	EXT union u_ops ops[OPSMAX];
8d063cd8	363
8d063cd8 LW	364	typedef struct string STR;
	365	typedef struct htbl HASH;
	366
	367	#include "str.h"
	368	#include "hash.h"
	369
9c8d0b29	370
8d063cd8 LW	371	/* A string is TRUE if not "" or "0". */
	372	#define True(val) (tmps = (val), (tmps && !(tmps == '0' && !tmps[1])))
	373	EXT char *Yes INIT("1");
	374	EXT char *No INIT("");
	375
8d063cd8	376	#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
8d063cd8 LW	377	EXT STR *Str;
	378
	379	#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
	380
9c8d0b29	381	/* Prototypes for things in a2p.c */
20ce7b12 GS	382	int aryrefarg ( int arg );
	383	int bl ( int arg, int maybe );
	384	void dump ( int branch );
	385	int fixfargs ( int name, int arg, int prevargs );
	386	int fixrargs ( char *name, int arg, int prevargs );
	387	void fixup ( STR *str );
	388	int numary ( int arg );
	389	int oper0 ( int type );
	390	int oper1 ( int type, int arg1 );
	391	int oper2 ( int type, int arg1, int arg2 );
	392	int oper3 ( int type, int arg1, int arg2, int arg3 );
	393	int oper4 ( int type, int arg1, int arg2, int arg3, int arg4 );
	394	int oper5 ( int type, int arg1, int arg2, int arg3, int arg4, int arg5 );
	395	void putlines ( STR *str );
	396	void putone ( void );
	397	int rememberargs ( int arg );
	398	char * scannum ( char *s );
	399	char * scanpat ( char *s );
	400	int string ( char *ptr, int len );
	401	void yyerror ( char *s );
	402	int yylex ( void );
8d063cd8 LW	403
	404	EXT int line INIT(0);
	405
	406	EXT FILE *rsfp;
fe14fcc3	407	EXT char buf[2048];
8d063cd8 LW	408	EXT char *bufptr INIT(buf);
	409
	410	EXT STR *linestr INIT(Nullstr);
	411
fe14fcc3	412	EXT char tokenbuf[2048];
8d063cd8 LW	413	EXT int expectterm INIT(TRUE);
	414
	415	#ifdef DEBUGGING
	416	EXT int debug INIT(0);
	417	EXT int dlevel INIT(0);
9bb9d9f7	418	#define YYDEBUG 1
8d063cd8	419	extern int yydebug;
9d116dd7 JH	420	#else
	421	# ifndef YYDEBUG
	422	# define YYDEBUG 0
	423	# endif
8d063cd8 LW	424	#endif
	425
	426	EXT STR *freestrroot INIT(Nullstr);
	427
	428	EXT STR str_no;
	429	EXT STR str_yes;
	430
	431	EXT bool do_split INIT(FALSE);
	432	EXT bool split_to_array INIT(FALSE);
	433	EXT bool set_array_base INIT(FALSE);
	434	EXT bool saw_RS INIT(FALSE);
	435	EXT bool saw_OFS INIT(FALSE);
	436	EXT bool saw_ORS INIT(FALSE);
	437	EXT bool saw_line_op INIT(FALSE);
	438	EXT bool in_begin INIT(TRUE);
	439	EXT bool do_opens INIT(FALSE);
	440	EXT bool do_fancy_opens INIT(FALSE);
	441	EXT bool lval_field INIT(FALSE);
	442	EXT bool do_chop INIT(FALSE);
	443	EXT bool need_entire INIT(FALSE);
	444	EXT bool absmaxfld INIT(FALSE);
a687059c	445	EXT bool saw_altinput INIT(FALSE);
8d063cd8	446
bf10efe7 LW	447	EXT bool nomemok INIT(FALSE);
bf10efe7 LW	448
8d063cd8 LW	449	EXT char const_FS INIT(0);
	450	EXT char *namelist INIT(Nullch);
	451	EXT char fswitch INIT(0);
a5571d59	452	EXT bool old_awk INIT(0);
8d063cd8 LW	453
	454	EXT int saw_FS INIT(0);
	455	EXT int maxfld INIT(0);
	456	EXT int arymax INIT(0);
a0d0e21e	457	EXT char *nameary[100];
8d063cd8 LW	458
	459	EXT STR *opens;
	460
	461	EXT HASH *symtab;
a687059c LW	462	EXT HASH *curarghash;
	463
	464	#define P_MIN 0
	465	#define P_LISTOP 5
	466	#define P_COMMA 10
	467	#define P_ASSIGN 15
	468	#define P_COND 20
	469	#define P_DOTDOT 25
	470	#define P_OROR 30
	471	#define P_ANDAND 35
	472	#define P_OR 40
	473	#define P_AND 45
	474	#define P_EQ 50
	475	#define P_REL 55
	476	#define P_UNI 60
	477	#define P_FILETEST 65
	478	#define P_SHIFT 70
	479	#define P_ADD 75
	480	#define P_MUL 80
	481	#define P_MATCH 85
	482	#define P_UNARY 90
	483	#define P_POW 95
	484	#define P_AUTO 100
	485	#define P_MAX 999
79072805 LW	486
79072805 LW	487	EXT int an;