[perl5.git] / x2p / a2p.h

/* $RCSfile: a2p.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:09 $
 *
 *    Copyright (c) 1991-1997, Larry Wall
 *
 *    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"
#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_BCOPY) || defined(__cplusplus)
#   define bcopy(s1,s2,l) memcpy(s2,s1,l)
#endif
#if !defined(HAS_BZERO) || defined(__cplusplus)
#   define bzero(s,l) memset(s,0,l)
#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(%g)",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	*
9607fc9c	3	* Copyright (c) 1991-1997, Larry Wall
a687059c	4	*
2b317908 LW	5	* You may distribute under the terms of either the GNU General Public
2b317908 LW	6	* License or the Artistic License, as specified in the README file.
8d063cd8 LW	7	*
8d063cd8 LW	8	* $Log: a2p.h,v $
8d063cd8 LW	9	*/
8d063cd8 LW	10
be04251a	11	#define VOIDUSED 1
d07c2202 GS	12
	13	#ifdef WIN32
	14	#define _INC_WIN32_PERL5 /* kludge around win32 stdio layer */
	15	#endif
	16
774d564b	17	#ifdef VMS
	18	# include "config.h"
	19	#else
	20	# include "../config.h"
	21	#endif
be04251a	22
3730b96e GS	23	#if defined(__STDC__) \|\| defined(vax11c) \|\| defined(_AIX) \|\| defined(__stdc__) \|\| defined(__cplusplus)
	24	# define STANDARD_C 1
	25	#endif
	26
d07c2202 GS	27	#ifdef WIN32
	28	#undef USE_STDIO_PTR /* XXX fast gets won't work, must investigate */
	29	# ifndef STANDARD_C
	30	# define STANDARD_C
	31	# endif
	32	# if defined(__BORLANDC__)
	33	# pragma warn -ccc
	34	# pragma warn -rch
	35	# pragma warn -sig
	36	# pragma warn -pia
	37	# pragma warn -par
	38	# pragma warn -aus
	39	# pragma warn -use
	40	# pragma warn -csu
	41	# pragma warn -pro
	42	# elif defined(_MSC_VER)
	43	# elif defined(__MINGW32__)
	44	# endif
	45	#endif
	46
9c8d0b29 AD	47	/* Use all the "standard" definitions? */
	48	#if defined(STANDARD_C) && defined(I_STDLIB)
	49	# include <stdlib.h>
	50	#endif /* STANDARD_C */
fed7345c	51
9c8d0b29 AD	52	#include <stdio.h>
	53
	54	#ifdef I_MATH
	55	#include <math.h>
	56	#endif
	57
fed7345c AD	58	#ifdef I_SYS_TYPES
	59	# include <sys/types.h>
	60	#endif
	61
dfe0b228	62	#ifdef USE_NEXT_CTYPE
	63
	64	#if NX_CURRENT_COMPILER_RELEASE >= 400
	65	#include <objc/NXCType.h>
	66	#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
9c8d0b29	67	#include <appkit/NXCType.h>
dfe0b228	68	#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
	69
	70	#else /* !USE_NEXT_CTYPE */
9c8d0b29	71	#include <ctype.h>
dfe0b228	72	#endif /* USE_NEXT_CTYPE */
9c8d0b29 AD	73
	74	#define MEM_SIZE Size_t
	75
c1d22f6b	76	#ifndef STANDARD_C
20ce7b12 GS	77	Malloc_t malloc (MEM_SIZE nbytes);
	78	Malloc_t calloc (MEM_SIZE elements, MEM_SIZE size);
	79	Malloc_t realloc (Malloc_t where, MEM_SIZE nbytes);
	80	Free_t free (Malloc_t where);
55497cff	81	#endif
55497cff	82
9c8d0b29 AD	83	#if defined(I_STRING) \|\| defined(__cplusplus)
	84	# include <string.h>
	85	#else
	86	# include <strings.h>
	87	#endif
	88
f0f333f4	89	#if !defined(HAS_BCOPY) \|\| defined(__cplusplus)
75f92628 AD	90	# define bcopy(s1,s2,l) memcpy(s2,s1,l)
75f92628 AD	91	#endif
f0f333f4	92	#if !defined(HAS_BZERO) \|\| defined(__cplusplus)
75f92628 AD	93	# define bzero(s,l) memset(s,0,l)
	94	#endif
	95
9c8d0b29 AD	96	#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
	97	#define strchr index
	98	#define strrchr rindex
	99	#endif
	100
1aef975c AD	101
	102	#ifdef I_TIME
	103	# include <time.h>
	104	#endif
	105
	106	#ifdef I_SYS_TIME
	107	# ifdef I_SYS_TIME_KERNEL
	108	# define KERNEL
	109	# endif
	110	# include <sys/time.h>
	111	# ifdef I_SYS_TIME_KERNEL
	112	# undef KERNEL
	113	# endif
	114	#endif
	115
	116	#ifndef MSDOS
	117	# if defined(HAS_TIMES) && defined(I_SYS_TIMES)
	118	# include <sys/times.h>
	119	# endif
	120	#endif
	121
4633a7c4 LW	122	#ifdef DOSISH
4633a7c4 LW	123	# if defined(OS2)
23da6c43	124	# define PTHX_UNUSED
4633a7c4 LW	125	# include "../os2ish.h"
	126	# else
	127	# include "../dosish.h"
	128	# endif
	129	#else
	130	# if defined(VMS)
44a8e56a	131	# define NO_PERL_TYPEDEFS
774d564b	132	# include "vmsish.h"
4633a7c4 LW	133	# endif
	134	#endif
	135
1aef975c AD	136	#ifndef STANDARD_C
	137	/* All of these are in stdlib.h or time.h for ANSI C */
	138	Time_t time();
	139	struct tm gmtime(), localtime();
092bebab JH	140	#if defined(OEMVS) \|\| defined(__OPEN_VM)
	141	char (strchr)(), (strrchr)();
	142	char (strcpy)(), (strcat)();
	143	#else
1aef975c AD	144	char strchr(), strrchr();
1aef975c AD	145	char strcpy(), strcat();
092bebab	146	#endif
1aef975c AD	147	#endif /* ! STANDARD_C */
1aef975c AD	148
774d564b	149	#ifdef VMS
	150	# include "handy.h"
	151	#else
	152	# include "../handy.h"
	153	#endif
55497cff	154
	155	#undef Nullfp
	156	#define Nullfp Null(FILE*)
	157
8d063cd8 LW	158	#define Nullop 0
	159
	160	#define OPROG 1
	161	#define OJUNK 2
	162	#define OHUNKS 3
	163	#define ORANGE 4
	164	#define OPAT 5
	165	#define OHUNK 6
	166	#define OPPAREN 7
	167	#define OPANDAND 8
	168	#define OPOROR 9
	169	#define OPNOT 10
	170	#define OCPAREN 11
	171	#define OCANDAND 12
	172	#define OCOROR 13
	173	#define OCNOT 14
	174	#define ORELOP 15
	175	#define ORPAREN 16
	176	#define OMATCHOP 17
	177	#define OMPAREN 18
	178	#define OCONCAT 19
	179	#define OASSIGN 20
	180	#define OADD 21
a687059c	181	#define OSUBTRACT 22
8d063cd8 LW	182	#define OMULT 23
	183	#define ODIV 24
	184	#define OMOD 25
	185	#define OPOSTINCR 26
	186	#define OPOSTDECR 27
	187	#define OPREINCR 28
	188	#define OPREDECR 29
	189	#define OUMINUS 30
	190	#define OUPLUS 31
	191	#define OPAREN 32
	192	#define OGETLINE 33
	193	#define OSPRINTF 34
	194	#define OSUBSTR 35
	195	#define OSTRING 36
	196	#define OSPLIT 37
	197	#define OSNEWLINE 38
	198	#define OINDEX 39
	199	#define ONUM 40
	200	#define OSTR 41
	201	#define OVAR 42
	202	#define OFLD 43
	203	#define ONEWLINE 44
	204	#define OCOMMENT 45
	205	#define OCOMMA 46
	206	#define OSEMICOLON 47
	207	#define OSCOMMENT 48
	208	#define OSTATES 49
	209	#define OSTATE 50
	210	#define OPRINT 51
	211	#define OPRINTF 52
	212	#define OBREAK 53
	213	#define ONEXT 54
	214	#define OEXIT 55
	215	#define OCONTINUE 56
	216	#define OREDIR 57
	217	#define OIF 58
	218	#define OWHILE 59
	219	#define OFOR 60
	220	#define OFORIN 61
	221	#define OVFLD 62
	222	#define OBLOCK 63
	223	#define OREGEX 64
	224	#define OLENGTH 65
	225	#define OLOG 66
	226	#define OEXP 67
	227	#define OSQRT 68
	228	#define OINT 69
a687059c LW	229	#define ODO 70
	230	#define OPOW 71
	231	#define OSUB 72
	232	#define OGSUB 73
	233	#define OMATCH 74
	234	#define OUSERFUN 75
	235	#define OUSERDEF 76
	236	#define OCLOSE 77
	237	#define OATAN2 78
	238	#define OSIN 79
	239	#define OCOS 80
	240	#define ORAND 81
	241	#define OSRAND 82
	242	#define ODELETE 83
	243	#define OSYSTEM 84
	244	#define OCOND 85
	245	#define ORETURN 86
	246	#define ODEFINED 87
	247	#define OSTAR 88
8d063cd8 LW	248
	249	#ifdef DOINIT
	250	char *opname[] = {
	251	"0",
	252	"PROG",
	253	"JUNK",
	254	"HUNKS",
	255	"RANGE",
	256	"PAT",
	257	"HUNK",
	258	"PPAREN",
	259	"PANDAND",
	260	"POROR",
	261	"PNOT",
	262	"CPAREN",
	263	"CANDAND",
	264	"COROR",
	265	"CNOT",
	266	"RELOP",
	267	"RPAREN",
	268	"MATCHOP",
	269	"MPAREN",
	270	"CONCAT",
	271	"ASSIGN",
	272	"ADD",
a687059c	273	"SUBTRACT",
8d063cd8 LW	274	"MULT",
	275	"DIV",
	276	"MOD",
	277	"POSTINCR",
	278	"POSTDECR",
	279	"PREINCR",
	280	"PREDECR",
	281	"UMINUS",
	282	"UPLUS",
	283	"PAREN",
	284	"GETLINE",
	285	"SPRINTF",
	286	"SUBSTR",
	287	"STRING",
	288	"SPLIT",
	289	"SNEWLINE",
	290	"INDEX",
	291	"NUM",
	292	"STR",
	293	"VAR",
	294	"FLD",
	295	"NEWLINE",
	296	"COMMENT",
	297	"COMMA",
	298	"SEMICOLON",
	299	"SCOMMENT",
	300	"STATES",
	301	"STATE",
	302	"PRINT",
	303	"PRINTF",
	304	"BREAK",
	305	"NEXT",
	306	"EXIT",
	307	"CONTINUE",
	308	"REDIR",
	309	"IF",
	310	"WHILE",
	311	"FOR",
	312	"FORIN",
	313	"VFLD",
	314	"BLOCK",
	315	"REGEX",
	316	"LENGTH",
	317	"LOG",
	318	"EXP",
	319	"SQRT",
	320	"INT",
a687059c LW	321	"DO",
	322	"POW",
	323	"SUB",
	324	"GSUB",
	325	"MATCH",
	326	"USERFUN",
	327	"USERDEF",
	328	"CLOSE",
	329	"ATAN2",
	330	"SIN",
	331	"COS",
	332	"RAND",
	333	"SRAND",
	334	"DELETE",
	335	"SYSTEM",
	336	"COND",
	337	"RETURN",
	338	"DEFINED",
	339	"STAR",
	340	"89"
8d063cd8 LW	341	};
	342	#else
	343	extern char *opname[];
	344	#endif
	345
a687059c LW	346	EXT int mop INIT(1);
a687059c LW	347
d8f2e4cc	348	union u_ops {
8d063cd8 LW	349	int ival;
8d063cd8 LW	350	char *cval;
d8f2e4cc LW	351	};
	352	#if defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286) /* 80286 hack */
	353	#define OPSMAX (64000/sizeof(union u_ops)) /* approx. max segment size */
	354	#else
	355	#define OPSMAX 50000
	356	#endif /* 80286 hack */
a0d0e21e	357	EXT union u_ops ops[OPSMAX];
8d063cd8	358
8d063cd8 LW	359	typedef struct string STR;
	360	typedef struct htbl HASH;
	361
	362	#include "str.h"
	363	#include "hash.h"
	364
9c8d0b29	365
8d063cd8 LW	366	/* A string is TRUE if not "" or "0". */
	367	#define True(val) (tmps = (val), (tmps && !(tmps == '0' && !tmps[1])))
	368	EXT char *Yes INIT("1");
	369	EXT char *No INIT("");
	370
	371	#define str_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 )))
	372
	373	#define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%g)",Str->str_nval),buf) : "" )))
	374	#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
	375	#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(Str)))
	376	EXT STR *Str;
	377
	378	#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
	379
9c8d0b29	380	/* Prototypes for things in a2p.c */
20ce7b12 GS	381	int aryrefarg ( int arg );
	382	int bl ( int arg, int maybe );
	383	void dump ( int branch );
	384	int fixfargs ( int name, int arg, int prevargs );
	385	int fixrargs ( char *name, int arg, int prevargs );
	386	void fixup ( STR *str );
	387	int numary ( int arg );
	388	int oper0 ( int type );
	389	int oper1 ( int type, int arg1 );
	390	int oper2 ( int type, int arg1, int arg2 );
	391	int oper3 ( int type, int arg1, int arg2, int arg3 );
	392	int oper4 ( int type, int arg1, int arg2, int arg3, int arg4 );
	393	int oper5 ( int type, int arg1, int arg2, int arg3, int arg4, int arg5 );
	394	void putlines ( STR *str );
	395	void putone ( void );
	396	int rememberargs ( int arg );
	397	char * scannum ( char *s );
	398	char * scanpat ( char *s );
	399	int string ( char *ptr, int len );
	400	void yyerror ( char *s );
	401	int yylex ( void );
8d063cd8 LW	402
	403	EXT int line INIT(0);
	404
	405	EXT FILE *rsfp;
fe14fcc3	406	EXT char buf[2048];
8d063cd8 LW	407	EXT char *bufptr INIT(buf);
	408
	409	EXT STR *linestr INIT(Nullstr);
	410
fe14fcc3	411	EXT char tokenbuf[2048];
8d063cd8 LW	412	EXT int expectterm INIT(TRUE);
	413
	414	#ifdef DEBUGGING
	415	EXT int debug INIT(0);
	416	EXT int dlevel INIT(0);
9bb9d9f7	417	#define YYDEBUG 1
8d063cd8	418	extern int yydebug;
9d116dd7 JH	419	#else
	420	# ifndef YYDEBUG
	421	# define YYDEBUG 0
	422	# endif
8d063cd8 LW	423	#endif
	424
	425	EXT STR *freestrroot INIT(Nullstr);
	426
	427	EXT STR str_no;
	428	EXT STR str_yes;
	429
	430	EXT bool do_split INIT(FALSE);
	431	EXT bool split_to_array INIT(FALSE);
	432	EXT bool set_array_base INIT(FALSE);
	433	EXT bool saw_RS INIT(FALSE);
	434	EXT bool saw_OFS INIT(FALSE);
	435	EXT bool saw_ORS INIT(FALSE);
	436	EXT bool saw_line_op INIT(FALSE);
	437	EXT bool in_begin INIT(TRUE);
	438	EXT bool do_opens INIT(FALSE);
	439	EXT bool do_fancy_opens INIT(FALSE);
	440	EXT bool lval_field INIT(FALSE);
	441	EXT bool do_chop INIT(FALSE);
	442	EXT bool need_entire INIT(FALSE);
	443	EXT bool absmaxfld INIT(FALSE);
a687059c	444	EXT bool saw_altinput INIT(FALSE);
8d063cd8	445
bf10efe7 LW	446	EXT bool nomemok INIT(FALSE);
bf10efe7 LW	447
8d063cd8 LW	448	EXT char const_FS INIT(0);
	449	EXT char *namelist INIT(Nullch);
	450	EXT char fswitch INIT(0);
a5571d59	451	EXT bool old_awk INIT(0);
8d063cd8 LW	452
	453	EXT int saw_FS INIT(0);
	454	EXT int maxfld INIT(0);
	455	EXT int arymax INIT(0);
a0d0e21e	456	EXT char *nameary[100];
8d063cd8 LW	457
	458	EXT STR *opens;
	459
	460	EXT HASH *symtab;
a687059c LW	461	EXT HASH *curarghash;
	462
	463	#define P_MIN 0
	464	#define P_LISTOP 5
	465	#define P_COMMA 10
	466	#define P_ASSIGN 15
	467	#define P_COND 20
	468	#define P_DOTDOT 25
	469	#define P_OROR 30
	470	#define P_ANDAND 35
	471	#define P_OR 40
	472	#define P_AND 45
	473	#define P_EQ 50
	474	#define P_REL 55
	475	#define P_UNI 60
	476	#define P_FILETEST 65
	477	#define P_SHIFT 70
	478	#define P_ADD 75
	479	#define P_MUL 80
	480	#define P_MATCH 85
	481	#define P_UNARY 90
	482	#define P_POW 95
	483	#define P_AUTO 100
	484	#define P_MAX 999
79072805 LW	485
79072805 LW	486	EXT int an;