[perl5.git] / x2p / a2p.h

/* $RCSfile: a2p.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:09 $
 *
 *    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.
 *
 * $Log:	a2p.h,v $
 */

#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(vax11c) || 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

#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_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 )))

#define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%"NVgf")",Str->str_nval),buf) : "" )))
#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(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
428aff04	1	/* $RCSfile: a2p.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:09 $
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	* $Log: a2p.h,v $
8d063cd8 LW	10	*/
8d063cd8 LW	11
be04251a	12	#define VOIDUSED 1
d07c2202 GS	13
	14	#ifdef WIN32
	15	#define _INC_WIN32_PERL5 /* kludge around win32 stdio layer */
	16	#endif
	17
774d564b	18	#ifdef VMS
774d564b	19	# include "config.h"
cf267c36 JH	20	#elif defined(NETWARE)
cf267c36 JH	21	# include "../NetWare/config.h"
774d564b	22	#else
	23	# include "../config.h"
	24	#endif
be04251a	25
3730b96e GS	26	#if defined(__STDC__) \|\| defined(vax11c) \|\| defined(_AIX) \|\| defined(__stdc__) \|\| defined(__cplusplus)
	27	# define STANDARD_C 1
	28	#endif
	29
d07c2202 GS	30	#ifdef WIN32
	31	#undef USE_STDIO_PTR /* XXX fast gets won't work, must investigate */
	32	# ifndef STANDARD_C
	33	# define STANDARD_C
	34	# endif
	35	# if defined(__BORLANDC__)
	36	# pragma warn -ccc
	37	# pragma warn -rch
	38	# pragma warn -sig
	39	# pragma warn -pia
	40	# pragma warn -par
	41	# pragma warn -aus
	42	# pragma warn -use
	43	# pragma warn -csu
	44	# pragma warn -pro
	45	# elif defined(_MSC_VER)
	46	# elif defined(__MINGW32__)
	47	# endif
	48	#endif
	49
9c8d0b29 AD	50	/* Use all the "standard" definitions? */
	51	#if defined(STANDARD_C) && defined(I_STDLIB)
	52	# include <stdlib.h>
	53	#endif /* STANDARD_C */
fed7345c	54
9c8d0b29 AD	55	#include <stdio.h>
	56
	57	#ifdef I_MATH
	58	#include <math.h>
	59	#endif
	60
fed7345c AD	61	#ifdef I_SYS_TYPES
	62	# include <sys/types.h>
	63	#endif
	64
dfe0b228	65	#ifdef USE_NEXT_CTYPE
	66
	67	#if NX_CURRENT_COMPILER_RELEASE >= 400
	68	#include <objc/NXCType.h>
	69	#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
9c8d0b29	70	#include <appkit/NXCType.h>
dfe0b228	71	#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
	72
	73	#else /* !USE_NEXT_CTYPE */
9c8d0b29	74	#include <ctype.h>
dfe0b228	75	#endif /* USE_NEXT_CTYPE */
9c8d0b29 AD	76
	77	#define MEM_SIZE Size_t
	78
c1d22f6b	79	#ifndef STANDARD_C
20ce7b12 GS	80	Malloc_t malloc (MEM_SIZE nbytes);
	81	Malloc_t calloc (MEM_SIZE elements, MEM_SIZE size);
	82	Malloc_t realloc (Malloc_t where, MEM_SIZE nbytes);
	83	Free_t free (Malloc_t where);
55497cff	84	#endif
55497cff	85
9c8d0b29 AD	86	#if defined(I_STRING) \|\| defined(__cplusplus)
	87	# include <string.h>
	88	#else
	89	# include <strings.h>
	90	#endif
	91
	92	#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
	93	#define strchr index
	94	#define strrchr rindex
	95	#endif
	96
1aef975c AD	97	#ifdef I_TIME
	98	# include <time.h>
	99	#endif
	100
	101	#ifdef I_SYS_TIME
	102	# ifdef I_SYS_TIME_KERNEL
	103	# define KERNEL
	104	# endif
	105	# include <sys/time.h>
	106	# ifdef I_SYS_TIME_KERNEL
	107	# undef KERNEL
	108	# endif
	109	#endif
	110
	111	#ifndef MSDOS
	112	# if defined(HAS_TIMES) && defined(I_SYS_TIMES)
	113	# include <sys/times.h>
	114	# endif
	115	#endif
	116
4633a7c4 LW	117	#ifdef DOSISH
4633a7c4 LW	118	# if defined(OS2)
23da6c43	119	# define PTHX_UNUSED
4633a7c4 LW	120	# include "../os2ish.h"
	121	# else
	122	# include "../dosish.h"
	123	# endif
	124	#else
	125	# if defined(VMS)
44a8e56a	126	# define NO_PERL_TYPEDEFS
774d564b	127	# include "vmsish.h"
4633a7c4 LW	128	# endif
	129	#endif
	130
1aef975c AD	131	#ifndef STANDARD_C
	132	/* All of these are in stdlib.h or time.h for ANSI C */
	133	Time_t time();
	134	struct tm gmtime(), localtime();
092bebab JH	135	#if defined(OEMVS) \|\| defined(__OPEN_VM)
	136	char (strchr)(), (strrchr)();
	137	char (strcpy)(), (strcat)();
	138	#else
1aef975c AD	139	char strchr(), strrchr();
1aef975c AD	140	char strcpy(), strcat();
092bebab	141	#endif
1aef975c AD	142	#endif /* ! STANDARD_C */
1aef975c AD	143
774d564b	144	#ifdef VMS
	145	# include "handy.h"
	146	#else
	147	# include "../handy.h"
	148	#endif
55497cff	149
	150	#undef Nullfp
	151	#define Nullfp Null(FILE*)
	152
8d063cd8 LW	153	#define Nullop 0
	154
	155	#define OPROG 1
	156	#define OJUNK 2
	157	#define OHUNKS 3
	158	#define ORANGE 4
	159	#define OPAT 5
	160	#define OHUNK 6
	161	#define OPPAREN 7
	162	#define OPANDAND 8
	163	#define OPOROR 9
	164	#define OPNOT 10
	165	#define OCPAREN 11
	166	#define OCANDAND 12
	167	#define OCOROR 13
	168	#define OCNOT 14
	169	#define ORELOP 15
	170	#define ORPAREN 16
	171	#define OMATCHOP 17
	172	#define OMPAREN 18
	173	#define OCONCAT 19
	174	#define OASSIGN 20
	175	#define OADD 21
a687059c	176	#define OSUBTRACT 22
8d063cd8 LW	177	#define OMULT 23
	178	#define ODIV 24
	179	#define OMOD 25
	180	#define OPOSTINCR 26
	181	#define OPOSTDECR 27
	182	#define OPREINCR 28
	183	#define OPREDECR 29
	184	#define OUMINUS 30
	185	#define OUPLUS 31
	186	#define OPAREN 32
	187	#define OGETLINE 33
	188	#define OSPRINTF 34
	189	#define OSUBSTR 35
	190	#define OSTRING 36
	191	#define OSPLIT 37
	192	#define OSNEWLINE 38
	193	#define OINDEX 39
	194	#define ONUM 40
	195	#define OSTR 41
	196	#define OVAR 42
	197	#define OFLD 43
	198	#define ONEWLINE 44
	199	#define OCOMMENT 45
	200	#define OCOMMA 46
	201	#define OSEMICOLON 47
	202	#define OSCOMMENT 48
	203	#define OSTATES 49
	204	#define OSTATE 50
	205	#define OPRINT 51
	206	#define OPRINTF 52
	207	#define OBREAK 53
	208	#define ONEXT 54
	209	#define OEXIT 55
	210	#define OCONTINUE 56
	211	#define OREDIR 57
	212	#define OIF 58
	213	#define OWHILE 59
	214	#define OFOR 60
	215	#define OFORIN 61
	216	#define OVFLD 62
	217	#define OBLOCK 63
	218	#define OREGEX 64
	219	#define OLENGTH 65
	220	#define OLOG 66
	221	#define OEXP 67
	222	#define OSQRT 68
	223	#define OINT 69
a687059c LW	224	#define ODO 70
	225	#define OPOW 71
	226	#define OSUB 72
	227	#define OGSUB 73
	228	#define OMATCH 74
	229	#define OUSERFUN 75
	230	#define OUSERDEF 76
	231	#define OCLOSE 77
	232	#define OATAN2 78
	233	#define OSIN 79
	234	#define OCOS 80
	235	#define ORAND 81
	236	#define OSRAND 82
	237	#define ODELETE 83
	238	#define OSYSTEM 84
	239	#define OCOND 85
	240	#define ORETURN 86
	241	#define ODEFINED 87
	242	#define OSTAR 88
8d063cd8 LW	243
	244	#ifdef DOINIT
	245	char *opname[] = {
	246	"0",
	247	"PROG",
	248	"JUNK",
	249	"HUNKS",
	250	"RANGE",
	251	"PAT",
	252	"HUNK",
	253	"PPAREN",
	254	"PANDAND",
	255	"POROR",
	256	"PNOT",
	257	"CPAREN",
	258	"CANDAND",
	259	"COROR",
	260	"CNOT",
	261	"RELOP",
	262	"RPAREN",
	263	"MATCHOP",
	264	"MPAREN",
	265	"CONCAT",
	266	"ASSIGN",
	267	"ADD",
a687059c	268	"SUBTRACT",
8d063cd8 LW	269	"MULT",
	270	"DIV",
	271	"MOD",
	272	"POSTINCR",
	273	"POSTDECR",
	274	"PREINCR",
	275	"PREDECR",
	276	"UMINUS",
	277	"UPLUS",
	278	"PAREN",
	279	"GETLINE",
	280	"SPRINTF",
	281	"SUBSTR",
	282	"STRING",
	283	"SPLIT",
	284	"SNEWLINE",
	285	"INDEX",
	286	"NUM",
	287	"STR",
	288	"VAR",
	289	"FLD",
	290	"NEWLINE",
	291	"COMMENT",
	292	"COMMA",
	293	"SEMICOLON",
	294	"SCOMMENT",
	295	"STATES",
	296	"STATE",
	297	"PRINT",
	298	"PRINTF",
	299	"BREAK",
	300	"NEXT",
	301	"EXIT",
	302	"CONTINUE",
	303	"REDIR",
	304	"IF",
	305	"WHILE",
	306	"FOR",
	307	"FORIN",
	308	"VFLD",
	309	"BLOCK",
	310	"REGEX",
	311	"LENGTH",
	312	"LOG",
	313	"EXP",
	314	"SQRT",
	315	"INT",
a687059c LW	316	"DO",
	317	"POW",
	318	"SUB",
	319	"GSUB",
	320	"MATCH",
	321	"USERFUN",
	322	"USERDEF",
	323	"CLOSE",
	324	"ATAN2",
	325	"SIN",
	326	"COS",
	327	"RAND",
	328	"SRAND",
	329	"DELETE",
	330	"SYSTEM",
	331	"COND",
	332	"RETURN",
	333	"DEFINED",
	334	"STAR",
	335	"89"
8d063cd8 LW	336	};
	337	#else
	338	extern char *opname[];
	339	#endif
	340
a687059c LW	341	EXT int mop INIT(1);
a687059c LW	342
d8f2e4cc	343	union u_ops {
8d063cd8 LW	344	int ival;
8d063cd8 LW	345	char *cval;
d8f2e4cc LW	346	};
	347	#if defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286) /* 80286 hack */
	348	#define OPSMAX (64000/sizeof(union u_ops)) /* approx. max segment size */
	349	#else
	350	#define OPSMAX 50000
	351	#endif /* 80286 hack */
a0d0e21e	352	EXT union u_ops ops[OPSMAX];
8d063cd8	353
8d063cd8 LW	354	typedef struct string STR;
	355	typedef struct htbl HASH;
	356
	357	#include "str.h"
	358	#include "hash.h"
	359
9c8d0b29	360
8d063cd8 LW	361	/* A string is TRUE if not "" or "0". */
	362	#define True(val) (tmps = (val), (tmps && !(tmps == '0' && !tmps[1])))
	363	EXT char *Yes INIT("1");
	364	EXT char *No INIT("");
	365
	366	#define str_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 )))
	367
1779d84d	368	#define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%"NVgf")",Str->str_nval),buf) : "" )))
8d063cd8 LW	369	#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
	370	#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(Str)))
	371	EXT STR *Str;
	372
	373	#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
	374
9c8d0b29	375	/* Prototypes for things in a2p.c */
20ce7b12 GS	376	int aryrefarg ( int arg );
	377	int bl ( int arg, int maybe );
	378	void dump ( int branch );
	379	int fixfargs ( int name, int arg, int prevargs );
	380	int fixrargs ( char *name, int arg, int prevargs );
	381	void fixup ( STR *str );
	382	int numary ( int arg );
	383	int oper0 ( int type );
	384	int oper1 ( int type, int arg1 );
	385	int oper2 ( int type, int arg1, int arg2 );
	386	int oper3 ( int type, int arg1, int arg2, int arg3 );
	387	int oper4 ( int type, int arg1, int arg2, int arg3, int arg4 );
	388	int oper5 ( int type, int arg1, int arg2, int arg3, int arg4, int arg5 );
	389	void putlines ( STR *str );
	390	void putone ( void );
	391	int rememberargs ( int arg );
	392	char * scannum ( char *s );
	393	char * scanpat ( char *s );
	394	int string ( char *ptr, int len );
	395	void yyerror ( char *s );
	396	int yylex ( void );
8d063cd8 LW	397
	398	EXT int line INIT(0);
	399
	400	EXT FILE *rsfp;
fe14fcc3	401	EXT char buf[2048];
8d063cd8 LW	402	EXT char *bufptr INIT(buf);
	403
	404	EXT STR *linestr INIT(Nullstr);
	405
fe14fcc3	406	EXT char tokenbuf[2048];
8d063cd8 LW	407	EXT int expectterm INIT(TRUE);
	408
	409	#ifdef DEBUGGING
	410	EXT int debug INIT(0);
	411	EXT int dlevel INIT(0);
9bb9d9f7	412	#define YYDEBUG 1
8d063cd8	413	extern int yydebug;
9d116dd7 JH	414	#else
	415	# ifndef YYDEBUG
	416	# define YYDEBUG 0
	417	# endif
8d063cd8 LW	418	#endif
	419
	420	EXT STR *freestrroot INIT(Nullstr);
	421
	422	EXT STR str_no;
	423	EXT STR str_yes;
	424
	425	EXT bool do_split INIT(FALSE);
	426	EXT bool split_to_array INIT(FALSE);
	427	EXT bool set_array_base INIT(FALSE);
	428	EXT bool saw_RS INIT(FALSE);
	429	EXT bool saw_OFS INIT(FALSE);
	430	EXT bool saw_ORS INIT(FALSE);
	431	EXT bool saw_line_op INIT(FALSE);
	432	EXT bool in_begin INIT(TRUE);
	433	EXT bool do_opens INIT(FALSE);
	434	EXT bool do_fancy_opens INIT(FALSE);
	435	EXT bool lval_field INIT(FALSE);
	436	EXT bool do_chop INIT(FALSE);
	437	EXT bool need_entire INIT(FALSE);
	438	EXT bool absmaxfld INIT(FALSE);
a687059c	439	EXT bool saw_altinput INIT(FALSE);
8d063cd8	440
bf10efe7 LW	441	EXT bool nomemok INIT(FALSE);
bf10efe7 LW	442
8d063cd8 LW	443	EXT char const_FS INIT(0);
	444	EXT char *namelist INIT(Nullch);
	445	EXT char fswitch INIT(0);
a5571d59	446	EXT bool old_awk INIT(0);
8d063cd8 LW	447
	448	EXT int saw_FS INIT(0);
	449	EXT int maxfld INIT(0);
	450	EXT int arymax INIT(0);
a0d0e21e	451	EXT char *nameary[100];
8d063cd8 LW	452
	453	EXT STR *opens;
	454
	455	EXT HASH *symtab;
a687059c LW	456	EXT HASH *curarghash;
	457
	458	#define P_MIN 0
	459	#define P_LISTOP 5
	460	#define P_COMMA 10
	461	#define P_ASSIGN 15
	462	#define P_COND 20
	463	#define P_DOTDOT 25
	464	#define P_OROR 30
	465	#define P_ANDAND 35
	466	#define P_OR 40
	467	#define P_AND 45
	468	#define P_EQ 50
	469	#define P_REL 55
	470	#define P_UNI 60
	471	#define P_FILETEST 65
	472	#define P_SHIFT 70
	473	#define P_ADD 75
	474	#define P_MUL 80
	475	#define P_MATCH 85
	476	#define P_UNARY 90
	477	#define P_POW 95
	478	#define P_AUTO 100
	479	#define P_MAX 999
79072805 LW	480
79072805 LW	481	EXT int an;